[go: up one dir, main page]

EP1319801B1 - System for exchanging pick holders having tension screws - Google Patents

System for exchanging pick holders having tension screws Download PDF

Info

Publication number
EP1319801B1
EP1319801B1 EP02025217A EP02025217A EP1319801B1 EP 1319801 B1 EP1319801 B1 EP 1319801B1 EP 02025217 A EP02025217 A EP 02025217A EP 02025217 A EP02025217 A EP 02025217A EP 1319801 B1 EP1319801 B1 EP 1319801B1
Authority
EP
European Patent Office
Prior art keywords
pick
holder
coating
receptacle
exchanging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02025217A
Other languages
German (de)
French (fr)
Other versions
EP1319801A2 (en
EP1319801A3 (en
Inventor
Bernd Holl
Dr. Günter Hähn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wirtgen GmbH
Original Assignee
Wirtgen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wirtgen GmbH filed Critical Wirtgen GmbH
Publication of EP1319801A2 publication Critical patent/EP1319801A2/en
Publication of EP1319801A3 publication Critical patent/EP1319801A3/en
Application granted granted Critical
Publication of EP1319801B1 publication Critical patent/EP1319801B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/188—Mining picks; Holders therefor characterised by adaptations to use an extraction tool
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/191—Means for fixing picks or holders for fixing holders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/90—Fastener or fastener element composed of plural different materials
    • Y10S411/901—Core and exterior of different materials
    • Y10S411/902—Metal core
    • Y10S411/903—Resinous exterior
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/914—Coated bolt

Definitions

  • the invention relates to a chisel holder changing system with a base part with a chisel holder, into which a chisel equipped with a chisel holder is inserted, the chisel holder with a holder shaft inserted into the chisel holder shots and held by clamping screws therein and wherein the clamping screws can be screwed into a threaded receptacle of the base and are supported under tension in a clamping receptacle of the holder shank of the chisel holder.
  • Such chisel holder changing systems are used in milling of milling machines, such as road milling machines.
  • both the chisel from the bit holders and the bit holder from the bit holder shots are interchangeable to replace them in wear, damage and the like without having to remove the bit holder changing system from the milling machine (see for example GB 2071184 A).
  • the threaded parts of the screw are protected by an electrochemical mechanism with these threaded steel parts from corrosion and receive a reduced Gleitwert so that a higher clamping force / a higher tightening torque can be transmitted to the holder shank of the chisel holder, without damage in particular Fearing tool holder of the clamping screw.
  • This layer sacrifices in favor of the base material and with the layer thickness, the rate of consumption of the layer is controlled.
  • layer thicknesses of 5 .mu.m to 10 .mu.m are selected.
  • the number of fins per micron of the layer increases the barrier effect of the coated surfaces. Especially the small layer thickness allows a problem-free coating of the threaded parts and the approximately 300 ° C made burning. Compared with the electrolytic application of protective layers, a coating without hydrogen embrittlement is achieved.
  • the layer can be applied by dipping, spinning or spraying and then baked.
  • the same purpose can be achieved by increasing the layer thickness.
  • This coating is non-electrolytically deposited on the metallic base of the screw without compromising its functionality.
  • the coating consists mainly of zinc and aluminum fins, which form in a metallic compound of chromium passivation, and also provides an optimal thin-film corrosion protection, so that seizure of the screw connection when using the chisel holder exchange system is prevented outdoors.
  • the starting materials for the layer contain organic impurities, these are converted into carbonic acid and water during the baking process. There are therefore no toxic residues when applying the layer, neither in the air nor in the water, since no rinsing of the applied layer is required.
  • the metallic layer of zinc and aluminum fins are connected to each other and to the metal base by metallic salts and chromium oxides.
  • the layer is formed by a chemical reaction between the layer material and the metal base during the baking process at about 300 ° C.
  • the layer material is available in a disc of zinc and aluminum fins in an aqueous chromic acid solution.
  • the dispersion contains only a small amount of organic substances needed to control the chemical reaction.
  • the baking process is the most important process when applying the coating.
  • the action of heat reduces the hexavalent chromium contained in the dispersion to insoluble and non-toxic trivalent chromium according to the following reaction: 2 ZnCr 2 O 7 ⁇ 2 ZnCr 2 O 4 + 3O 2 .
  • chromium salts surround every metallic lamella as well as the metal base. This allows the cohesion of the layer and the formation of a corrosion resistant coating.
  • a clamping screw can be designed such that it has a projection which rests with a contact surface on the clamping receptacle, and that the approach, at least in the adjoining the Anlaeg Structure area outer cross-sectional dimensions than the outer diameter of the external thread of the clamping screw.
  • the cross-section tapered approach further reduces the risk of damage to the threaded connection. If during operation a flattening of the contact surface occur as a result of the tension and labor occurring, then this does not affect the free disassembly. Namely, the approach can be freely rotated out of the threaded receptacle of the chisel holder, without damaging the threads occurs.
  • the approach is truncated cone-shaped and continuously tapers, starting from the external thread bearing portion of the clamping screw to the contact surface.
  • the clamping screws are designed in the form of a grub screw and completely screwed into the threaded receptacle of the base part.
  • the clamping screw is completely displaced from the Verschmony Scheme.
  • the drawing shows in side view and in section a chisel holder exchange system consisting of a base part 11 and a chisel holder 20.
  • the base part 11 is fixed on the surface of a milling drum 10, preferably welded.
  • the base part 11 has a chisel holder holder 12.
  • the chisel holder with a holder shank 22 is inserted into this.
  • the holder shaft is provided with a recessed clamping receptacle 23.
  • This tension receptacle 23 is accessible via a threaded receptacle 13.
  • the threaded receptacle 13 is inserted into the base part 11.
  • a clamping screw 15 is used for fixing the chisel holder 20 to the base part 11.
  • the clamping screw 15 is designed as a grub screw and has a tool holder 17 (hexagon socket) on the head side.
  • the clamping screw 15 is screwed with its external thread 16 in the internal thread 14 of the threaded receptacle 13.
  • the tool holder 17 facing away from the clamping screw 15 is provided with a projection 18.
  • the projection 18 is formed as a truncated cone and tapers starting from the region of the external thread 16 of the clamping screw 15 up to the free end of the clamping screw 15 continuously.
  • the projection 18 terminates with a contact surface 18.1.
  • the contact surface 18.1 is supported on a counter surface of the clamping receptacle 23.
  • the chisel holder used is supported with an abutment surface 28 on the base part 11. As the drawing reveals, a bore formed as a bit holder 21 opens into this abutment surface.
  • the bit holder 21 receives a round shank bit 25.
  • the round shank bit 25 has a chisel head, to which a chisel shank is formed.
  • On the drill collar a clamping sleeve 26 is mounted. This braces resiliently in the bit holder 21 and sets the round shank bit 25.
  • the chisel head is supported on a wear plate 25.1 on the top of the chisel holder.
  • the chisel head has a carbide tip 27.
  • the clamping screw 15 is clamped against the clamping receptacle 23. High preload forces are required.
  • a metallic layer of zinc and aluminum fins and a mineral chromium oxide binder is applied to the external thread 16. This layer is introduced after application. The coating also provides corrosion protection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Connection Of Plates (AREA)
  • Jigs For Machine Tools (AREA)
  • Road Repair (AREA)
  • Gripping On Spindles (AREA)

Abstract

The chisel holder (20), especially for a road surface cutting machine, is secured by a clamping bolt (15) at the mounting (11) on the road milling roller (10). The outer thread (16) of the clamping bolt and/or the inner thread (14) of the threaded drilling (13) at the holder mounting have a metal layer of zinc and aluminum segments with a chrome oxide bonding agent. The applied metal coating is fired when in place. The coating thickness is 5-10 mu m, and the number of segments per mu m of the coating increases the barrier effect of the coated surfaces. The coating is applied by immersion, centrifugally or spraying, to be dried and then fired at 300 degrees C. The friction value of the screw bond is reduced by the addition of a dry lubricant

Description

Die Erfindung betrifft eine Meißelhalterwechselsystem mit einem Basisteil mit einer Meißelhalteraufnahme, in die ein mit einem Meißel bestückter Meißelhalter einsetzbar ist, wobei der Meißelhalter mit einem Halterschaft in die Meißelhalteraufnahmen eingeführt und mittels Spannschrauben darin festgehalten sind und wobei die Spannschrauben in eine Gewindeaufnahme des Basisteils einschraubbar ist und sich dabei unter Spannung in einer Spannaufnahme des Halterschaftes des Meißelhalters abstützen.The invention relates to a chisel holder changing system with a base part with a chisel holder, into which a chisel equipped with a chisel holder is inserted, the chisel holder with a holder shaft inserted into the chisel holder shots and held by clamping screws therein and wherein the clamping screws can be screwed into a threaded receptacle of the base and are supported under tension in a clamping receptacle of the holder shank of the chisel holder.

Derartige Meißelhalterwechselsysteme werden bei Fräswalzen von Fräsmaschinen, beispielsweise Straßenfräsmaschinen eingesetzt. Dabei sind sowohl die Meißel aus den Meißelhaltern als auch die Meißelhalter aus den Meißelhalteraufnahmen austauschbar, um diese bei Abnützung, Beschädigung und dgl. ersetzen zu können, ohne die Meißelhalterwechselsystem von der Fräsmaschine lösen zu müssen (siehe beispielsweise GB 2071184 A).Such chisel holder changing systems are used in milling of milling machines, such as road milling machines. In this case, both the chisel from the bit holders and the bit holder from the bit holder shots are interchangeable to replace them in wear, damage and the like without having to remove the bit holder changing system from the milling machine (see for example GB 2071184 A).

Für einen eindeutigen Halt des Meißelhalters in der Meißelhalteraufnahme kommt es entscheidend auf die mit den Spannschrauben einstellbaren Vorspannkräften/Anziehdrehmomenten an. Sind diese zu groß, können die Werkzeugaufnahmen der Spannschrauben beschädigt werden, so dass die Aufhebung der Schraubverbindung erschwert oder gar unmöglich gemacht ist. Dies zieht dann umfangreiche Reparaturarbeiten nach sich. Zudem ist oft die Gleitreibung der Schraubverbindung groß, so dass die übertragenen Vorspannkräfte/Anziehdrehmomente stark vermindert werden.For a clear hold of the chisel holder in the chisel holder recording, it depends crucially on the adjustable with the clamping screws preload / tightening torque. If these are too large, the tool holders of the clamping screws can be damaged, so that the repeal of the screw is difficult or even impossible. This then entails extensive repair work. In addition, the sliding friction of the screw connection is often large, so that the transmitted preload / tightening torques are greatly reduced.

Es ist Aufgabe der Erfindung, bei einem Meißelhalterwechselsystem der eingangs erwähnten Art die Schraubverbindung zwischen der Spannschraube und der Gewindeaufnahme der Meißelhalteraufnahme auf einfache Art so zu verbessern, dass große Vorspannkräfte/Anziehdrehmomente auf den Halterschaft des Meißelhalters übertragen werden können, ohne eine Beschädigung der Schraubverbindung, die das Auswechseln des Meißelhalters beeinträchtigen könnten, befürchten zu müssen.It is an object of the invention to improve in a chisel holder change system of the type mentioned in the screw connection between the clamping screw and the threaded receiving the chisel holder receptacle in a simple way so that large biasing forces / tightening torques can be transferred to the holder shank of the chisel holder, without damaging the screw, which could affect the replacement of the chisel holder, to fear.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass die Oberflächen des Außengewindes der Spannschraube und/oder des Innengewindes der Gewindeaufnahme der Meißelhalteraufnahmen mit einer metallischen Schicht aus Zink- und Aluminiumlamellen und einem mineralischen Chromoxyd-Bindemittel versehen sind, die nach dem Aufbringen eingebrannt ist.This object is achieved according to the invention in that the surfaces of the external thread of the clamping screw and / or the internal thread of the threaded holder of the bit holder holders are provided with a metallic layer of zinc and aluminum fins and a mineral chromium oxide binder, which is baked after application.

Auf diese Weise werden die Gewindeteile der Schraubverbindung durch einen elektrochemischen Mechanismus mit diesen aus Stahl bestehenden Gewindeteilen gegen Korrosion geschützt und erhalten einen verringerten Gleitwert, so dass eine höhere Verspannkraft/ein höheres Anziehdrehmoment auf den Halterschaft des Meißelhalters übertragen werden kann, ohne eine Beschädigung insbesondere der Werkzeugaufnahme der Spannschraube befürchten zu müssen. Diese Schicht opfert sich zugunsten des Grundmaterials und mit der Schichtdicke wird die Verzehrungsgeschwindigkeit der Schicht kontrolliert.In this way, the threaded parts of the screw are protected by an electrochemical mechanism with these threaded steel parts from corrosion and receive a reduced Gleitwert so that a higher clamping force / a higher tightening torque can be transmitted to the holder shank of the chisel holder, without damage in particular Fearing tool holder of the clamping screw. This layer sacrifices in favor of the base material and with the layer thickness, the rate of consumption of the layer is controlled.

Nach einer Ausgestaltung werden Schichtdicken von 5 µm bis 10 µm gewählt.According to one embodiment, layer thicknesses of 5 .mu.m to 10 .mu.m are selected.

Mit der Anzahl der Lamellen pro Mikrometer der Schicht wird der Barriere-Effekt der beschichteten Oberflächen vergrößert. Gerade die geringe Schichtdicke erlaubt eine problemlose Beschichtung der Gewindeteile und die etwa mit 300° C vorgenommene Einbrennung. Gegenüber der elektrolytischen Aufbringung von Schutzschichten wird ein Überzug ohne Wasserstoffversprödung erreicht.The number of fins per micron of the layer increases the barrier effect of the coated surfaces. Especially the small layer thickness allows a problem-free coating of the threaded parts and the approximately 300 ° C made burning. Compared with the electrolytic application of protective layers, a coating without hydrogen embrittlement is achieved.

Die Schicht kann im Tauch-, Schleuder- oder Spritzverfahren aufgebracht werden und danach eingebrannt werden.The layer can be applied by dipping, spinning or spraying and then baked.

Ist dabei noch vorgesehen, dass der Reibwert der Schraubverbindung durch Zugabe von Trockenschmiermitteln reduziert ist, dann können über die Schraubverbindung noch größere Vorspannkräfte/Anziehdrehmomente übertragen werden.If it is still provided that the coefficient of friction of the screw is reduced by the addition of dry lubricants, then even greater preload / tightening torque can be transmitted through the screw.

Denselben Zweck kann man durch Vergrößerung der Schichtdicke erreichen.The same purpose can be achieved by increasing the layer thickness.

Dieser Überzug ist nicht-elektrolytisch auf der metallischen Basis der Schraubverbindung abgeschieden, ohne die Funktionalität derselben zu beeinträchtigen. Der Überzug besteht hauptsächlich aus Zink- und Aluminiumlamellen, die sich in einer metallischen Verbindung von Chrompassivierung bilden, und bietet zudem einen optimalen Dünnschichtkorrosionsschutz, so dass auch ein Festfressen der Schraubverbindung beim Einsatz der Meißelhalterwechselsystem im Freien verhindert ist.This coating is non-electrolytically deposited on the metallic base of the screw without compromising its functionality. The coating consists mainly of zinc and aluminum fins, which form in a metallic compound of chromium passivation, and also provides an optimal thin-film corrosion protection, so that seizure of the screw connection when using the chisel holder exchange system is prevented outdoors.

Enthalten die Ausgangsmaterialien für die Schicht organische Verunreinigungen, dann werden diese beim Einbrennvorgang in Kohlensäure und Wasser umgewandelt. Es entstehen daher beim Aufbringen der Schicht keine giftigen Rückstände, weder in der Luft noch im Wasser, da keine Spülung der aufgebrachten Schicht erforderlich ist.If the starting materials for the layer contain organic impurities, these are converted into carbonic acid and water during the baking process. There are therefore no toxic residues when applying the layer, neither in the air nor in the water, since no rinsing of the applied layer is required.

Die metallische Schicht aus Zink- und Aluminiumlamellen werden durch metallische Salze und Chromoxide miteinander und mit der Metallbasis verbunden. Die Schicht bildet sich durch eine chemische Reaktion zwischen dem Schichtmaterial und der Metallbasis während des Einbrennvorganges bei etwa 300° C. Das Schichtmaterial steht in einer Disperson von Zink- und Aluminiumlamellen in einer wässrigen Chromsäurelösung zur Verfügung. Die Dispersion enthält nur in geringem Maße organische Substanzen, die zur Kontrolle der chemischen Reaktion erforderlich sind.The metallic layer of zinc and aluminum fins are connected to each other and to the metal base by metallic salts and chromium oxides. The layer is formed by a chemical reaction between the layer material and the metal base during the baking process at about 300 ° C. The layer material is available in a disc of zinc and aluminum fins in an aqueous chromic acid solution. The dispersion contains only a small amount of organic substances needed to control the chemical reaction.

Der Einbrennvorgang ist der wichtigste Vorgang beim Aufbringen der Schicht. Durch die Hitzeeinwirkung reduziert sich das in der Dispersion enthaltene Hexavalentchrom in unlösliches und ungiftiges Trivalentchrom gemäß der folgenden Reaktion:

        2 ZnCr2O7 → 2 ZnCr2O4 + 3O2.

The baking process is the most important process when applying the coating. The action of heat reduces the hexavalent chromium contained in the dispersion to insoluble and non-toxic trivalent chromium according to the following reaction:

2 ZnCr 2 O 7 → 2 ZnCr 2 O 4 + 3O 2 .

Diese Chromsalze umhüllen jede metallische Lamelle sowie die Metallbasis. Hierdurch wird die Kohäsion der Schicht und die Bildung eines korossionsbeständigen Überzuges ermöglicht.These chromium salts surround every metallic lamella as well as the metal base. This allows the cohesion of the layer and the formation of a corrosion resistant coating.

Eine Spannschraube kann derart gestaltet sein, dass sie einen Ansatz aufweist, der mit einer Anlagefläche an der Spann-aufnahme anliegt, und dass der Ansatz zumindest in dem an die Anlaegfläche anschließenden Bereich kleinere Außen-Querschnittsabmessungen aufweist als der Außendurchmesser des Außengewindes der Spannschraube.A clamping screw can be designed such that it has a projection which rests with a contact surface on the clamping receptacle, and that the approach, at least in the adjoining the Anlaegfläche area outer cross-sectional dimensions than the outer diameter of the external thread of the clamping screw.

Der querschnittsverjüngte Ansatz verringert weiter die Gefahr der Beschädigung der Gewindeverbindung. Falls im Betrieb eine Abplattung der Anlagefläche infolge der auftretenden Spann- und Arbeitskräfte auftreten, so beeinträchtigt dies dann die freie Demontierbarkeit nicht. Der Ansatz lässt sich nämlich frei aus der Gewindeaufnahme des Meißelhalters ausdrehen, ohne dass eine Beschädigung der Gewindegänge auftritt.The cross-section tapered approach further reduces the risk of damage to the threaded connection. If during operation a flattening of the contact surface occur as a result of the tension and labor occurring, then this does not affect the free disassembly. Namely, the approach can be freely rotated out of the threaded receptacle of the chisel holder, without damaging the threads occurs.

Aus Gründen der optimierten Festigkeitsauslegung kann dabei vorgesehen sein, dass der Ansatz stumpfkegelförmig ausgebildet ist und sich ausgehend von dem das Außengewinde tragenden Bereich der Spannschraube bis hin zur Anlagefläche kontinuierlich verjüngt.For reasons of optimized strength design can be provided that the approach is truncated cone-shaped and continuously tapers, starting from the external thread bearing portion of the clamping screw to the contact surface.

In Weiterbildung der Erfindung kann es vorgesehen sein, dass die Spannschrauben in Form einer Madenschraube ausgebildet und vollständig in die Gewindeaufnahme des Basisteils eingeschraubt ist. Damit wird die Spannschraube vollständig aus dem Verschließbereich verlagert.In a further development of the invention, it can be provided that the clamping screws are designed in the form of a grub screw and completely screwed into the threaded receptacle of the base part. Thus, the clamping screw is completely displaced from the Verschließbereich.

Die Erfindung wird im Folgenden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.The invention is explained in more detail below with reference to an embodiment shown in the drawing.

Die Zeichnung zeigt in Seitenansicht und im Schnitt ein Meißelhalterwechselsystem, bestehend aus einem Basisteil 11 und einem Meißelhalter 20. Das Basisteil 11 ist auf der Oberfläche einer Fräswalze 10 befestigt, vorzugsweise angeschweißt. Das Basisteil 11 besitzt eine Meißelhalteraufnahme 12. In diese ist der Meißelhalter mit einem Halterschaft 22 eingesetzt. Der Halterschaft ist mit einer eingetieften Spannaufnahme 23 versehen. Diese Spannaufnahme 23 ist über eine Gewindeaufnahme 13 zugänglich. Die Gewindeaufnahme 13 ist in das Basisteil 11 eingebracht. Zur Fixierung des Meißelhalters 20 an dem Basisteil 11 ist eine Spannschraube 15 verwendet. Die Spannschraube 15 ist als Madenschraube ausgebildet und weist kopfseitig eine Werkzeugaufnahme 17 (Innensechskant) auf. Die Spannschraube 15 ist mit ihrem Außengewinde 16 in das Innengewinde 14 der Gewindeaufnahme 13 eingeschraubt. An ihrem, der Werkzeugaufnahme 17 abgewandten Ende ist die Spannschraube 15 mit einem Ansatz 18 versehen. Der Ansatz 18 ist als Stumpfkegel ausgebildet und verjüngt sich ausgehend von dem Bereich des Außengewindes 16 der Spannschraube 15 bis hin zum freien Ende der Spannschraube 15 kontinuierlich. Der Ansatz 18 schließt mit einer Anlagefläche 18.1 ab. Die Anlagefläche 18.1 stützt sich auf einer Gegenfläche der Spannaufnahme 23 ab.The drawing shows in side view and in section a chisel holder exchange system consisting of a base part 11 and a chisel holder 20. The base part 11 is fixed on the surface of a milling drum 10, preferably welded. The base part 11 has a chisel holder holder 12. The chisel holder with a holder shank 22 is inserted into this. The holder shaft is provided with a recessed clamping receptacle 23. This tension receptacle 23 is accessible via a threaded receptacle 13. The threaded receptacle 13 is inserted into the base part 11. For fixing the chisel holder 20 to the base part 11, a clamping screw 15 is used. The clamping screw 15 is designed as a grub screw and has a tool holder 17 (hexagon socket) on the head side. The clamping screw 15 is screwed with its external thread 16 in the internal thread 14 of the threaded receptacle 13. At its, the tool holder 17 facing away from the clamping screw 15 is provided with a projection 18. The projection 18 is formed as a truncated cone and tapers starting from the region of the external thread 16 of the clamping screw 15 up to the free end of the clamping screw 15 continuously. The projection 18 terminates with a contact surface 18.1. The contact surface 18.1 is supported on a counter surface of the clamping receptacle 23.

Der eingesetzte Meißelhalter stützt sich mit einer Stoßfläche 28 an dem Basisteil 11 ab. Wie die Zeichnung erkennen lässt, mündet eine als Meißelaufnahme 21 ausgebildete Bohrung in diese Stoßfläche. Die Meißelaufnahme 21 nimmt einen Rundschaftmeißel 25 auf. Der Rundschaftmeißel 25 besitzt einen Meißelkopf, an den ein Meißelschaft angeformt ist. Auf den Meißelschaft ist eine Spannhülse 26 aufgezogen. Diese verspannt sich federelastisch in der Meißelaufnahme 21 und legt den Rundschaftmeißel 25 fest. Der Meißelkopf ist über eine Verschleißschutzscheibe 25.1 auf der Oberseite des Meißelhalters abgestützt. Der Meißelkopf weist eine Hartmetallspitze 27 auf. Zur Fixierung des Meißelhalters 20 an dem Basisteil 11 wird, wie oben geschrieben, die Spannschraube 15 gegen die Spannaufnahme 23 verspannt. Dabei sind hohe Vorspannkräfte erforderlich. Um die Reibung zwischen dem Außengewinde 16 der Spannschraube 15 und dem Innengewinde 14 der Gewindeaufnahme 13 erhöhen zu können, ist auf das Außengewinde 16 eine metallische Schicht aus Zink- und Aluminiumlamellen und einem mineralischen Chromoxyd-Bindemittel aufgebracht. Diese Schicht ist nach dem Aufbringen eingebracht. Die Schicht leistet darüber hinaus noch einen Korrosionsschutz.The chisel holder used is supported with an abutment surface 28 on the base part 11. As the drawing reveals, a bore formed as a bit holder 21 opens into this abutment surface. The bit holder 21 receives a round shank bit 25. The round shank bit 25 has a chisel head, to which a chisel shank is formed. On the drill collar a clamping sleeve 26 is mounted. This braces resiliently in the bit holder 21 and sets the round shank bit 25. The chisel head is supported on a wear plate 25.1 on the top of the chisel holder. The chisel head has a carbide tip 27. For fixing the chisel holder 20 to the base part 11, as described above, the clamping screw 15 is clamped against the clamping receptacle 23. High preload forces are required. In order to increase the friction between the external thread 16 of the clamping screw 15 and the internal thread 14 of the threaded receptacle 13, a metallic layer of zinc and aluminum fins and a mineral chromium oxide binder is applied to the external thread 16. This layer is introduced after application. The coating also provides corrosion protection.

Infolge der hohen Spannkraft entstehen hohe Flächenpressungen im Übergangsbereich zwischen der Anlagefläche 18.1 und der Spannaufnahme 23. Diese Kräfte können zu einer Plattung des Ansatzes 18 insbesondere dann führen, wenn zusätzliche hohe Stoßkräfte im Betriebseinsatz über den Meißel 25 aufgenommen werden müssen. Da die Geometrie des Ansatzes 18 verjüngt gewählt ist, sind die auftretenden Abplattungen in gewissem Umfang unschädlich und beschädigen insbesondere beim Herausdrehen der Spannschraube 15 aus der Gewindeaufnahme 13 das Innengewinde 14 nicht.Due to the high clamping force, high surface pressures occur in the transition region between the contact surface 18.1 and the clamping receptacle 23. These forces can lead to a plating of the projection 18 in particular when additional high impact forces must be absorbed by the bit 25 during operation. Since the geometry of the projection 18 is selected to be tapered, the flattening occurring is harmless to a certain extent and does not damage the internal thread 14 in particular when unscrewing the clamping screw 15 from the threaded receptacle 13.

Claims (6)

  1. System for exchanging pick holders, having a base part (11) with a pick-holder receptacle (12), into which a pick holder (20) fitted with a pick can be inserted, the pick holder being inserted with a holder shank (22) into the pick-holder receptacle and being held in place therein by means of clamping screws (15), and it being possible for the clamping screws to be screwed into a threaded receptacle (13) of the base part (11), said clamping screws being supported under stress in a clamping receptacle (23) of the holder shank (22) of the pick holder (20) in the process, characterized in that the surfaces of the external thread (16) of the clamping screw (15) and/or of the internal thread (14) of the threaded receptacle (13) of the pick-holder receptacle (12) are provided with a metallic coating of zinc and aluminium flakes and a mineral chromium-oxide binder, said metallic coating being fired after the application.
  2. System for exchanging pick holders according to Claim 1, characterized in that the coating has coating thicknesses of 5 µm to 10 µm.
  3. System for exchanging pick holders according to Claim 1 or 2, characterized in that the barrier effect of the coated surfaces can be increased with the number of flakes per µm of the coating.
  4. System for exchanging pick holders according to one of Claims 1 to 3, characterized in that the prestressing force/tightening torque of the screwed connection between clamping screw (15) and threaded receptacle (13) of the pick-holder receptacle (11) can be increased by selecting a greater coating thickness.
  5. System for exchanging pick holders according to one of Claims 1 to 4, characterized in that the coating is applied by dipping, centrifugal or spraying processes, is subsequently dried and finally fired at approximately 300°C.
  6. System for exchanging pick holders according to one of Claims 1 to 5, characterized in that the coefficient of friction of the screwed connection is reduced by the addition of solid lubricants.
EP02025217A 2001-12-15 2002-11-12 System for exchanging pick holders having tension screws Expired - Lifetime EP1319801B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10161713 2001-12-15
DE10161713A DE10161713B4 (en) 2001-12-15 2001-12-15 Chisel holder changing system

Publications (3)

Publication Number Publication Date
EP1319801A2 EP1319801A2 (en) 2003-06-18
EP1319801A3 EP1319801A3 (en) 2003-08-20
EP1319801B1 true EP1319801B1 (en) 2006-05-17

Family

ID=7709371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025217A Expired - Lifetime EP1319801B1 (en) 2001-12-15 2002-11-12 System for exchanging pick holders having tension screws

Country Status (5)

Country Link
US (1) US6866343B2 (en)
EP (1) EP1319801B1 (en)
AT (1) ATE326613T1 (en)
DE (2) DE10161713B4 (en)
ES (1) ES2261580T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105133480A (en) * 2015-08-18 2015-12-09 苏州凯通工程机械有限公司 Knife-rest pedestal system for milling machine
WO2022016875A1 (en) * 2020-07-24 2022-01-27 苏州五元素机械制造有限公司 Chisel having double limiting discs

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10221764C1 (en) * 2002-05-15 2003-11-27 Wirtgen Gmbh Holder for shaft chisel in milling machine has upper part with seating for shaft chisel secured to base part with clamp screw and clamp element for securing chisel shaft
DE102005003734B3 (en) * 2005-01-26 2006-02-16 Wirtgen Gmbh Lathe tool holder socket is surrounded by a block that translates via a stress-relief groove to an angled side-extension
US7853149B2 (en) * 2005-03-08 2010-12-14 Clariphy Communications, Inc. Transmitter frequency peaking for optical fiber channels
USD574689S1 (en) 2006-03-10 2008-08-12 Wirtgen Gmbh Chisel holder
USD575610S1 (en) 2006-03-10 2008-08-26 Wirtgen Gmbh Chisel holder
USD585259S1 (en) 2006-03-10 2009-01-27 Wirtgen Bmbh Chisel holder
DE102008010609A1 (en) 2008-02-22 2009-09-03 Gerd Elfgen Chisel holder for use with chisel holder arrangement, has borehole for retaining of cylindrical shaft of chisel that is rotated around longitudinal axis, where channel is provided to form connection
JP4855488B2 (en) * 2009-03-05 2012-01-18 エヴァーパッズ カンパニー， リミテッド Tool holding device
AU2012233012B2 (en) * 2009-12-17 2014-07-31 Wirtgen Gmbh Bit holder and base part for receiving a bit holder
US9028009B2 (en) * 2010-01-20 2015-05-12 Element Six Gmbh Pick tool and method for making same
GB201000869D0 (en) 2010-01-20 2010-03-10 Element Six Holding Gmbh Superhard pick tool and method for making same
US10072501B2 (en) 2010-08-27 2018-09-11 The Sollami Company Bit holder
US9879531B2 (en) 2014-02-26 2018-01-30 The Sollami Company Bit holder shank and differential interference between the shank distal portion and the bit holder block bore
US11261731B1 (en) 2014-04-23 2022-03-01 The Sollami Company Bit holder and unitary bit/holder for use in shortened depth base blocks
US10337324B2 (en) 2015-01-07 2019-07-02 The Sollami Company Various bit holders and unitary bit/holders for use with shortened depth bit holder blocks
US10385689B1 (en) 2010-08-27 2019-08-20 The Sollami Company Bit holder
US10370966B1 (en) * 2014-04-23 2019-08-06 The Sollami Company Rear of base block
US10598013B2 (en) 2010-08-27 2020-03-24 The Sollami Company Bit holder with shortened nose portion
BR112013011893B1 (en) 2010-12-03 2020-03-10 Wirtgen Gmbh CHISEL HOLDER
DE102010061019A1 (en) 2010-12-03 2012-06-06 Betek Gmbh & Co. Kg Chisel holder and lower tool part for a chisel holder
AU2011334839B2 (en) 2010-12-03 2015-07-16 Wirtgen Gmbh Chisel holder
US9163502B2 (en) 2010-12-03 2015-10-20 Wirtgen Gmbh Chisel holder, and chisel holder system comprising a chisel holder and a base part
RU2567256C2 (en) 2010-12-03 2015-11-10 Виртген Гмбх Tool clamp and tool clamp system with tool clamp and body
GB201103096D0 (en) 2011-02-23 2011-04-06 Element Six Holding Gmbh Insert and degradation assembly
USD667855S1 (en) 2011-04-11 2012-09-25 Betek Gmbh & Co. Kg Base for a chisel holder
USD667856S1 (en) 2011-04-11 2012-09-25 Betek Gmbh & Co. Kg Chisel holder
DE102011051525A1 (en) 2011-07-04 2013-01-10 Wirtgen Gmbh Chisel holder for a soil tillage machine
USD666641S1 (en) 2011-07-04 2012-09-04 Wirtgen Gmbh Chisel holder
GB201113013D0 (en) 2011-07-28 2011-09-14 Element Six Abrasive Sa Tip for a pick tool
USD669505S1 (en) * 2011-11-23 2012-10-23 Wirtgen Gmbh Chisel holder bar
US10323515B1 (en) 2012-10-19 2019-06-18 The Sollami Company Tool with steel sleeve member
US9988903B2 (en) 2012-10-19 2018-06-05 The Sollami Company Combination polycrystalline diamond bit and bit holder
US10180065B1 (en) 2015-10-05 2019-01-15 The Sollami Company Material removing tool for road milling mining and trenching operations
US10107097B1 (en) 2012-10-19 2018-10-23 The Sollami Company Combination polycrystalline diamond bit and bit holder
US10105870B1 (en) 2012-10-19 2018-10-23 The Sollami Company Combination polycrystalline diamond bit and bit holder
US9909416B1 (en) 2013-09-18 2018-03-06 The Sollami Company Diamond tipped unitary holder/bit
US10260342B1 (en) 2012-10-19 2019-04-16 The Sollami Company Combination polycrystalline diamond bit and bit holder
USD772315S1 (en) * 2013-04-11 2016-11-22 Betek Gmbh & Co. Kg Chisel
US10968739B1 (en) 2013-09-18 2021-04-06 The Sollami Company Diamond tipped unitary holder/bit
US10633971B2 (en) 2016-03-07 2020-04-28 The Sollami Company Bit holder with enlarged tire portion and narrowed bit holder block
US10995613B1 (en) 2013-09-18 2021-05-04 The Sollami Company Diamond tipped unitary holder/bit
US10876402B2 (en) 2014-04-02 2020-12-29 The Sollami Company Bit tip insert
US9976418B2 (en) 2014-04-02 2018-05-22 The Sollami Company Bit/holder with enlarged ballistic tip insert
US10415386B1 (en) 2013-09-18 2019-09-17 The Sollami Company Insertion-removal tool for holder/bit
US10767478B2 (en) 2013-09-18 2020-09-08 The Sollami Company Diamond tipped unitary holder/bit
US10577931B2 (en) 2016-03-05 2020-03-03 The Sollami Company Bit holder (pick) with shortened shank and angular differential between the shank and base block bore
US10947844B1 (en) 2013-09-18 2021-03-16 The Sollami Company Diamond Tipped Unitary Holder/Bit
US10794181B2 (en) 2014-04-02 2020-10-06 The Sollami Company Bit/holder with enlarged ballistic tip insert
US11168563B1 (en) 2013-10-16 2021-11-09 The Sollami Company Bit holder with differential interference
US11339656B1 (en) 2014-02-26 2022-05-24 The Sollami Company Rear of base block
US11339654B2 (en) 2014-04-02 2022-05-24 The Sollami Company Insert with heat transfer bore
US11891895B1 (en) 2014-04-23 2024-02-06 The Sollami Company Bit holder with annular rings
US10502056B2 (en) 2015-09-30 2019-12-10 The Sollami Company Reverse taper shanks and complementary base block bores for bit assemblies
US10612376B1 (en) 2016-03-15 2020-04-07 The Sollami Company Bore wear compensating retainer and washer
DE102016108808A1 (en) 2016-05-12 2017-11-16 Betek Gmbh & Co. Kg Chisel with a support element with a spigot
US10876401B1 (en) 2016-07-26 2020-12-29 The Sollami Company Rotational style tool bit assembly
US10968738B1 (en) 2017-03-24 2021-04-06 The Sollami Company Remanufactured conical bit
US11187080B2 (en) 2018-04-24 2021-11-30 The Sollami Company Conical bit with diamond insert
US11279012B1 (en) 2017-09-15 2022-03-22 The Sollami Company Retainer insertion and extraction tool
US11103939B2 (en) 2018-07-18 2021-08-31 The Sollami Company Rotatable bit cartridge
DE102019135827A1 (en) 2019-12-27 2021-07-01 Cooper-Standard Automotive (Deutschland) Gmbh Union screw for pipelines provided with at least one flange, in particular brake pipes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877133C (en) * 1943-03-04 1953-05-21 Eickhoff Maschinenfabrik Geb Schraemme chisel attachment for Schraem chains on chain cutting machines
US3498677A (en) * 1968-10-30 1970-03-03 Bowdil Co Cutting apparatus
US3983304A (en) * 1973-09-19 1976-09-28 Hi-Shear Corporation Fastener with protective metal-organic base coating
GB1461428A (en) * 1974-11-20 1977-01-13 Magnesium Elektron Ltd Addition of magnesium to molten metal
DE2950108C2 (en) * 1979-12-13 1981-12-24 Halbach & Braun, 5600 Wuppertal Tool unit for cutting tools
GB2071184B (en) * 1980-03-05 1985-01-23 Hollingworth K J Coal cutter pick boxes
US4642011A (en) * 1982-11-22 1987-02-10 Toacosei Chemical Industry Co., Ltd. Composition for rust prevention of metals and threaded metal elements with a rustproof film
FR2554527A1 (en) * 1983-11-07 1985-05-10 Laurent Ets Andre Fixing device such as screw, bolt and nut
US4802807A (en) * 1988-04-14 1989-02-07 Illinois Tool Works Inc. Threaded fastener
DE4111701A1 (en) * 1991-04-10 1992-10-15 Itw Befestigungssysteme METHOD FOR COATING CORROSION PROTECTION OF STEEL WORKPIECES
DE9310021U1 (en) * 1993-07-06 1993-11-11 Betek Bergbau- und Hartmetalltechnik Karl-Heinz Simon GmbH & Co KG, 78733 Aichhalden Cutting body for a cutting machine
DE4322402C2 (en) * 1993-07-06 1996-06-20 Wirtgen Gmbh Cutting body for a cutting machine
US5607206A (en) * 1995-08-02 1997-03-04 Kennametal Inc. Cutting tool holder retention system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105133480A (en) * 2015-08-18 2015-12-09 苏州凯通工程机械有限公司 Knife-rest pedestal system for milling machine
WO2022016875A1 (en) * 2020-07-24 2022-01-27 苏州五元素机械制造有限公司 Chisel having double limiting discs

Also Published As

Publication number Publication date
ES2261580T3 (en) 2006-11-16
EP1319801A2 (en) 2003-06-18
EP1319801A3 (en) 2003-08-20
US6866343B2 (en) 2005-03-15
DE10161713B4 (en) 2004-02-05
US20030132660A1 (en) 2003-07-17
ATE326613T1 (en) 2006-06-15
DE10161713A1 (en) 2003-07-10
DE50206795D1 (en) 2006-06-22

Similar Documents

Publication Publication Date Title
EP1319801B1 (en) System for exchanging pick holders having tension screws
EP1377753B1 (en) Method for producing an expansion anchor
EP1850993B1 (en) Method for the production of a saw band
DE4421144A1 (en) Coated tool with prolonged service life
DE10331327A1 (en) Rotary cutting tool with a main body that is partially coated with a hard coating
EP3331658A1 (en) Replaceable cutting head, tool shank, and shank-mounted tool
EP0508941B1 (en) Tool for machining of materials
DE3512929A1 (en) Chuck jaw
EP1468761A1 (en) Casting roll for casting of aluminium or aluminium alloys strips
EP1570102B1 (en) Method for coating piston rings for internal combustion engines
DE10349446B4 (en) Method for coating a surface of a cylinder and cylinder with this coating
DE3623360A1 (en) Device with adjacent surfaces, between which high pressures and/or high friction loads occur
DE202011004123U1 (en) Divisible spindle shaft
DE60306908T2 (en) PROCESS FOR APPLYING ANY CORROSION PROTECTION TO PARTS IN CUSTOMIZING EXTRACTION EQUIPMENT PARTICULARLY EXPOSED TO CORROSION
DE4029734A1 (en) Non-slip coating of screwdriver bits - is applied by electrical arc discharge from tungsten carbide electrode
DE202021102340U1 (en) Tool for machining workpieces
AT411656B (en) DRILL HEAD TO HOLD AT LEAST ONE CUTTING TOOL TO MACHINE THE INTERIOR SURFACE OF A LONG, CYLINDRICAL WORKPIECE
EP1752678A2 (en) Method for refurbishing the rotor of a friction brake and rotor refurbished using said method
DE20100885U1 (en) Turning tool
DE19906885B4 (en) drilling
DE102011120554B4 (en) Method and device for thermal coating of a component with a through hole
DE4232430A1 (en) Tool for the treatment of component surfaces
DE10131333A1 (en) hobs
DE10349447B4 (en) Method for producing a cylinder and cylinder
WO1998029210A1 (en) Cutting insert

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20040220

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

17Q First examination report despatched

Effective date: 20041022

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20060517

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060517

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060517

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060517

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060517

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: SCHNEIDER FELDMANN AG PATENT- UND MARKENANWAELTE

REF Corresponds to:

Ref document number: 50206795

Country of ref document: DE

Date of ref document: 20060622

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060817

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060817

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20060829

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061017

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2261580

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061130

ET Fr: translation filed
REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20070220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060818

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060517

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060817

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061112

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060517

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060517

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50206795

Country of ref document: DE

Representative=s name: HERRMANN, JOCHEN, DIPL.-ING., DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20191120

Year of fee payment: 18

Ref country code: DE

Payment date: 20191121

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20191120

Year of fee payment: 18

Ref country code: ES

Payment date: 20191220

Year of fee payment: 18

Ref country code: IT

Payment date: 20191128

Year of fee payment: 18

Ref country code: BE

Payment date: 20191120

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20191121

Year of fee payment: 18

Ref country code: AT

Payment date: 20191121

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20191120

Year of fee payment: 18

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: WIRTGEN GMBH, DE

Free format text: FORMER OWNER: WIRTGEN GMBH, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50206795

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20201201

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 326613

Country of ref document: AT

Kind code of ref document: T

Effective date: 20201112

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20201112

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20201130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201130

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201112

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201112

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210601

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201112

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20220201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201113

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201130