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EP2111920A2 - Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun - Google Patents

Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun Download PDF

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Publication number
EP2111920A2
EP2111920A2 EP09167448A EP09167448A EP2111920A2 EP 2111920 A2 EP2111920 A2 EP 2111920A2 EP 09167448 A EP09167448 A EP 09167448A EP 09167448 A EP09167448 A EP 09167448A EP 2111920 A2 EP2111920 A2 EP 2111920A2
Authority
EP
European Patent Office
Prior art keywords
shaft
container
pointed tool
wall
spray gun
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.)
Granted
Application number
EP09167448A
Other languages
German (de)
French (fr)
Other versions
EP2111920A3 (en
EP2111920B1 (en
Inventor
Ewald Schmon
Peter Dettlaff
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.)
SATA GmbH and Co KG
Original Assignee
SATA GmbH and Co KG
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 SATA GmbH and Co KG filed Critical SATA GmbH and Co KG
Priority to PL09167448T priority Critical patent/PL2111920T3/en
Publication of EP2111920A2 publication Critical patent/EP2111920A2/en
Publication of EP2111920A3 publication Critical patent/EP2111920A3/en
Application granted granted Critical
Publication of EP2111920B1 publication Critical patent/EP2111920B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2408—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the container or its attachment means to the spray apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun

Definitions

  • the invention relates to the use of a pointed tool with a cylindrical shank on whose circumference at least one recess is provided, a head portion arranged thereon and a tip at the end of the shaft, in which at least the approach to the head part approach of the shaft or the entire shaft to the head part extended conically, for piercing a ventilation opening in the wall of a paint cup for a paint spray gun.
  • Gravity cups are known for paint spray guns. These comprise a container made of plastic and a lid which can be placed thereon for closing the container. At the top of the cover connecting means for mounting and securing the fluid reservoir are provided on a paint spray gun. The flow cup is placed “upside down", ie with the lid side down on the paint spray gun. The paint in the flow cup then flows downwardly into the paint feed channel of the paint spray gun due to gravity. In order to allow the gravity-driven flow of the paint, a pressure equalization within the paint cup is required.
  • a separate sharpening tool for example a needle or a dome
  • a sharpening tool is often not available at all times.
  • the piercing of the regularly made of hard plastic container wall proves to be difficult with a suitable pointed tool.
  • the invention has the object to show the use of a pointed tool for introducing a ventilation opening in the wall of a paint cup for a paint spray gun, with a simple, fast and straightforward introduction of the ventilation opening in the container wall of the Farbbechers allows and continue to be avoided that thereby get chips or plastic parts in the paint cup.
  • FIG. 1 a flow cup for a paint spray gun is shown, which comprises a container 1 and a lid 2 which can be screwed onto it via a thread 18.
  • the gravity cup is here in FIG. 1 shown in the position in which the flow cup is placed on the paint spray gun, ie with the top of the lid 2 down.
  • the lid 2 has on its upper side an outlet nozzle 19 with an outlet opening 20.
  • On the outside of the outlet nozzle 19, a connection part 3 is formed.
  • the Connecting part 3 is used for placing and attaching the flow cup on a paint spray gun or on an arranged between the paint spray gun and the flow cup adapter.
  • the connecting part 3 comprises a thread 21 and a wedge-shaped groove 22 which cooperate with corresponding connection parts of the paint spray gun, namely a corresponding internal thread and a pin for engagement in the groove 22.
  • the container 1 is cup-shaped with a circular container bottom and formed from the container bottom up slightly conically widening side wall.
  • the container wall forming the container bottom or the side wall is identified here by reference numeral 4.
  • the container wall 4 is produced by injection molding in one piece from plastic.
  • a delimited area 5 is provided in the bottom part of the container 1.
  • This demarcated area 5 serves for the later introduction of a ventilation opening and is thereby delimited from the surrounding area 4a of the container wall 4 by being formed on the one hand as a membrane 7 with a smaller thickness than the thickness of the area 4a surrounding the area 5 and on the other hand by a Guiding surface 9a is bounded, which is to serve for guiding the pointed tool during later piercing the ventilation opening.
  • the guide surface 9a is formed in the embodiment illustrated here by the drawing of the inside of a substantially perpendicular to the container wall (4) wall (9) of a hollow cylinder (8).
  • the hollow cylinder 8 with its radially encircling wall 9 and the membrane 7, which extends approximately in the region of the base surface of the hollow cylinder 8, are in the detail view "U" of FIG. 1 to recognize.
  • a dome 6 and a closure cap 24 are formed in each case via tear-off tabs 17, 23.
  • the tear-off tabs 17 and 23 are designed as predetermined breaking points, so that the dome 6 and the closure cap 24 can be torn off the lid 2 manually without the aid of tools.
  • the closure cap 24 serves to close the opening 20 of the lid 2.
  • the dome 6 represents a pointed tool to be used according to the invention and serves to introduce a ventilation opening in the delimited region 5 of the container wall 4.
  • the detail view "Y" of the FIG. 1 in a side view and in the FIG. 2 Dom 6 shown in sectional views has a cylindrical shaft 10 and a, disposed at one end of the shaft head portion 11.
  • the approach to the head portion 11 adjacent shoulder 14 of the shaft widens conically towards the head part 11 back.
  • the free end 25 of the shaft 10 is chamfered to form a tip 12.
  • the diameter of the shaft in the region of the free end 25 corresponds to the inner diameter of the hollow cylinder 8 arranged at the bottom of the fluid bowl.
  • two recesses 13 arranged at diametrically opposite points are formed on the shaft periphery.
  • the shaft 10 has a circumferential annular groove 26 (FIG.
  • the paint cup system consisting of the gravity cup and the dome 6 is used as follows:
  • the container 1 is placed on the container bottom and the lid 2 is unscrewed. Thereafter, the container 1 can be filled with paint and the lid 2 are screwed to close the container 1.
  • the container 1 with the lid 2 screwed on is then turned over and placed on the paint spray gun. Subsequently, with the help of the torn off from the cover 2 Doms 6 a ventilation hole in the demarcated area 5 of the container wall 4 pierced.
  • the tip 12 of the mandrel 6 is pressed through the membrane 7, whereby the membrane 7 tears.
  • the wall 9 of the hollow cylinder 8 projecting into the interior of the container serves as a guide for the shaft 10 when the mandrel 6 is inserted.
  • the dome 6 is then pressed further into the container interior, until the lower locking edge 16 in the container interior with the lower edge 27 of the hollow cylinder 8 is aligned or the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in Figure 3c shown.
  • the recesses 13 are at the level of the pierced Ventilation opening bounding portion 4a of the container wall 4 and thereby form a ventilation channel through which a pressure equalization between the container interior and the environment is made possible ( FIG. 3b ).
  • the upper locking edge 15 is to prevent the dome 6 automatically, so without external force only due to gravity, further slide into the container interior and thereby close the ventilation duct. Namely, the dome 6 can by itself slip into the interior of the container at most until the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in FIG Figure 3c shown. In the reverse position of the container 1 prevents the lower locking edge 16 in an appropriate manner, an automatic slipping out of the dome 6 from the vent because the dome 6 at most can slip out of the container interior until the lower locking edge 16 rests on the lower edge 27 of the hollow cylinder 8.
  • the vent opening can be closed by the dome 6 is pushed further into the container interior, until the bottom of the head portion 11 rests on the top 28 of the hollow cylinder 8, as in FIG. 3a shown.
  • the conical shaft extension 14 engages in a clamping manner in the upper region of the hollow cylinder 8 and thereby closes the ventilation opening, as in FIG. 3a shown.
  • the invention is characterized in that by means of the pointed tool in the form of the dome 6 in a simple way a ventilation opening can be inserted into the flow cup.
  • a ventilation opening can be inserted into the flow cup.

Landscapes

  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Gravity flow reservoir for a spray gun has a container (1) on which a lid (2) can be placed. The lid has a connection part (3) for connecting it to the spray gun or an adapter. The wall (4) of the container has a delimited area (5) that can be penetrated using a pointed tool (6) to form a vent hole. The tool is connected to the lid so that is readily available. An independent claim is made for use of a pointed tool with a shaft (10), a head part (11) and a spike (12) for puncturing a vent hole in the wall of a spray gun paint reservoir.

Description

Die Erfindung betrifft die Verwendung eines Spitzwerkzeugs mit einem zylindrischen Schaft an dessen Umfang mindestens eine Aussparung vorgesehen ist, einem daran angeordneten Kopfteil und einer Spitze am Ende des Schafts, bei dem zumindest der an das Kopfteil angrenzende Ansatz des Schafts oder der gesamte Schaft sich zum Kopfteil hin konisch erweitert, zum Durchstoßen einer Belüftungsöffnung in die Wand eines Farbbechers für eine Farbspritzpistole.The invention relates to the use of a pointed tool with a cylindrical shank on whose circumference at least one recess is provided, a head portion arranged thereon and a tip at the end of the shaft, in which at least the approach to the head part approach of the shaft or the entire shaft to the head part extended conically, for piercing a ventilation opening in the wall of a paint cup for a paint spray gun.

Aus dem Stand der Technik, beispielsweise der US 6,536,687 B1 und der FR 2 774 928-A , sind Fließbecher für Farbspritzpistolen bekannt. Diese umfassen einen Behälter aus Kunststoff und einen darauf aufsetzbaren Deckel zum Verschließen des Behälters. An der Deckeloberseite sind Anschlussmittel zum Aufsetzen und Befestigen des Fließbechers auf eine Farbspritzpistole vorgesehen. Der Fließbecher wird hierbei "upside down", also mit der Deckelseite nach unten auf die Farbspritzpistole aufgesetzt. Die in dem Fließbecher befindliche Farbe fließt dann aufgrund der Schwerkraft nach unten in den Farbeinlaufkanal der Farbspritzpistole. Um den schwerkraftgetriebenen Fluss der Farbe zu ermöglichen, ist ein Druckausgleich innerhalb des Farbbechers erforderlich. Hierzu wird - wie in den genannten Druckschriften beschrieben - in den Behälterboden oder in der Seitenwand des Behälters nahe des Behälterbodens mittels einer Nadel eine Belüftungsöffnung eingestochen, nachdem der Farbbehälter "upside down", also mit dem Behälterboden nach oben, auf die Farbspritzpistole aufgesetzt wurde.From the prior art, for example the US 6,536,687 B1 and the FR 2 774 928-A , Gravity cups are known for paint spray guns. These comprise a container made of plastic and a lid which can be placed thereon for closing the container. At the top of the cover connecting means for mounting and securing the fluid reservoir are provided on a paint spray gun. The flow cup is placed "upside down", ie with the lid side down on the paint spray gun. The paint in the flow cup then flows downwardly into the paint feed channel of the paint spray gun due to gravity. In order to allow the gravity-driven flow of the paint, a pressure equalization within the paint cup is required. For this purpose - as described in the cited documents - in the container bottom or in the side wall of the container near the container bottom by means of a needle inserted a vent after the ink container "upside down", ie with the container bottom up, was placed on the paint spray gun.

Zum Einbringen der Belüftungsöffnung in die Behälterwand ist ein separates Spitzwerkzeug, beispielsweise eine Nadel oder ein Dom, erforderlich. Ein solches Werkzeug ist häufig nicht jederzeit verfügbar. Weiterhin erweist sich das Durchstoßen der regelmäßig aus Hartkunststoff bestehenden Behälterwand auch mit einem geeigneten Spitzwerkzeug als schwierig. Darüber hinaus besteht die Gefahr, dass durch das Eindrücken einer Öffnung in die Behälterwand Kunststoffspäne oder -teile in den mit Farbe gefüllten Farbbecher fallen.For introducing the ventilation opening into the container wall, a separate sharpening tool, for example a needle or a dome, is required. Such a tool is often not available at all times. Furthermore, the piercing of the regularly made of hard plastic container wall proves to be difficult with a suitable pointed tool. In addition, there is the danger that fall by impressing an opening in the container wall plastic chips or parts in the color cup filled with paint.

Ausgehend von diesen Nachteilen, welche den bekannten Fließbechern anhaften, liegt der Erfindung die Aufgabe zugrunde, die Verwendung eines Spitzwerkzeugs zum Einbringen einer Belüftungsöffnung in die Wand eines Farbbechers für eine Farbspritzpistole aufzuzeigen, wobei ein einfaches, schnelles und unkompliziertes Einbringen der Belüftungsöffnung in die Behälterwand des Farbbechers ermöglicht und weiterhin vermieden werden soll, dass dabei Späne oder Kunststoffteile in den Farbbecher gelangen.Based on these disadvantages, which adhere to the known fluid buckets, the invention has the object to show the use of a pointed tool for introducing a ventilation opening in the wall of a paint cup for a paint spray gun, with a simple, fast and straightforward introduction of the ventilation opening in the container wall of the Farbbechers allows and continue to be avoided that thereby get chips or plastic parts in the paint cup.

Gelöst wird diese Aufgabe mit der im Anspruch 1 angegebenen Verwendung eines Spitzwerkzeigs. Vorteilhafte Ausführungsbeispiele dieser Verwendung sind den abhängigen Ansprüchen 2 bis 6 zu entnehmen.This object is achieved with the use specified in claim 1 of a Spitzwerkzeigs. Advantageous embodiments of this use can be found in the dependent claims 2 to 6.

Die Erfindung wird nachfolgend unter Bezugnahme auf die begleitenden Zeichnungen anhand eines Ausführungsbeispiels näher erläutert. Die Zeichnungen zeigen:

Figur 1:
Seitenansicht eines Fließbechers mit einem Behälter und einem darauf aufsetzbaren Deckel sowie Detailansichten hierzu (Details X, U, Y, Z);
Figur 2:
Schnittdarstellungen eines Doms wie in Figur 1 in der Detailansicht "Y" dargestellt, wobei die Darstellung nach Figur 2a einen Schnitt durch die Blattebene der Darstellung "Y" der Figur 1 und die Darstellung nach Figur 2b einen Schnitt durch eine hierzu senkrechte Ebene zeigt;
Figuren 3:
Darstellung des Detailsbereichs "U" von Figur 1 mit in die Behälterwand eingedrücktem Dom in verschiedenen Stellungen, wobei die Darstellungen nach Figur 3a und 3b im Schnitt und die Darstellung der Figur 3c im Halbschnitt gezeigt sind.
The invention will be explained in more detail below with reference to the accompanying drawings with reference to an embodiment. The drawings show:
FIG. 1:
Side view of a flow cup with a container and a lid which can be placed thereon, as well as detailed views (details X, U, Y, Z);
FIG. 2:
Sectional views of a cathedral as in FIG. 1 in the detail view "Y" shown, the representation after FIG. 2a a section through the leaf level of the representation "Y" of FIG. 1 and the representation after FIG. 2b shows a section through a plane perpendicular thereto;
FIGS. 3:
Representation of the detail area "U" of FIG. 1 with depressed into the container wall Dom in various positions, the illustrations according to Figure 3a and 3b in the section and the representation of the Figure 3c shown in half section.

In der Figur 1 ist ein Fließbecher für eine Farbspritzpistole dargestellt, welcher einen Behälter 1 und einen darauf über ein Gewinde 18 aufschraubbaren Deckel 2 umfasst. Der Fließbecher ist hierbei in Figur 1 in der Position dargestellt, in welcher der Fließbecher auf die Farbspritzpistole aufgesetzt wird, also mit der Oberseite des Deckels 2 nach unten. Der Deckel 2 weist an seiner Oberseite einen Auslassstutzen 19 mit einer Auslassöffnung 20 auf. An der Außenseite des Auslassstutzens 19 ist ein Anschlussteil 3 angeformt. Das Anschlussteil 3 dient zum Aufsetzen und zum Befestigen des Fließbechers auf eine Farbspritzpistole bzw. auf einem zwischen der Farbspritzpistole und dem Fließbecher angeordneten Adapter. In dem in Figur 1 dargestellten Ausführungsbeispiel umfasst das Anschlussteil 3 ein Gewinde 21 und eine keilförmige Nut 22, welche mit korrespondierenden Anschlussteilen der Farbspritzpistole, nämlich einem entsprechenden Innengewinde und einem Zapfen zum Eingreifen in die Nut 22 zusammenwirken.In the FIG. 1 a flow cup for a paint spray gun is shown, which comprises a container 1 and a lid 2 which can be screwed onto it via a thread 18. The gravity cup is here in FIG. 1 shown in the position in which the flow cup is placed on the paint spray gun, ie with the top of the lid 2 down. The lid 2 has on its upper side an outlet nozzle 19 with an outlet opening 20. On the outside of the outlet nozzle 19, a connection part 3 is formed. The Connecting part 3 is used for placing and attaching the flow cup on a paint spray gun or on an arranged between the paint spray gun and the flow cup adapter. In the in FIG. 1 illustrated embodiment, the connecting part 3 comprises a thread 21 and a wedge-shaped groove 22 which cooperate with corresponding connection parts of the paint spray gun, namely a corresponding internal thread and a pin for engagement in the groove 22.

Der Behälter 1 ist becherförmig mit einem kreisrunden Behälterboden und einer vom Behälterboden aus sich nach oben leicht konisch erweiternden Seitenwand ausgebildet. Die den Behälterboden bzw. die Seitenwand bildende Behälterwand ist hier mit Bezugszeichen 4 gekennzeichnet. Die Behälterwand 4 wird im Spritzgußverfahren in einem Stück aus Kunststoff hergestellt. Im Bodenteil des Behälters 1 ist ein abgegrenzter Bereich 5 vorgesehen. Dieser abgegrenzte Bereich 5 dient dem späteren Einbringen einer Belüftungsöffnung und ist von dem ihn umgebenden Bereich 4a der Behälterwand 4 dadurch abgegrenzt, indem er einerseits als Membran 7 mit einer geringeren Dicke als die Dicke des den Bereich 5 umgebenden Bereichs 4a ausgebildet ist und andererseits von einer Führungsfläche 9a umgrenzt ist, welche beim späteren Durchstechen der Belüftungsöffnung zur Führung des Spitzwerkzeugs dienen soll. Die Führungsfläche 9a ist bei dem hier zeichnerisch dargestellten Ausführungsbeispiel von der Innenseite einer im wesentlichen senkrecht zur Behälterwand (4) stehenden Wandung (9) eines Hohlzylinders (8) gebildet. Der Hohlzylinder 8 mit seiner radial umlaufenden Wandung 9 und die Membran 7, welche etwa im Bereich der Grundfläche des Hohlzylinders 8 verläuft, sind in der Detailansicht "U" der Figur 1 zu erkennen.The container 1 is cup-shaped with a circular container bottom and formed from the container bottom up slightly conically widening side wall. The container wall forming the container bottom or the side wall is identified here by reference numeral 4. The container wall 4 is produced by injection molding in one piece from plastic. In the bottom part of the container 1, a delimited area 5 is provided. This demarcated area 5 serves for the later introduction of a ventilation opening and is thereby delimited from the surrounding area 4a of the container wall 4 by being formed on the one hand as a membrane 7 with a smaller thickness than the thickness of the area 4a surrounding the area 5 and on the other hand by a Guiding surface 9a is bounded, which is to serve for guiding the pointed tool during later piercing the ventilation opening. The guide surface 9a is formed in the embodiment illustrated here by the drawing of the inside of a substantially perpendicular to the container wall (4) wall (9) of a hollow cylinder (8). The hollow cylinder 8 with its radially encircling wall 9 and the membrane 7, which extends approximately in the region of the base surface of the hollow cylinder 8, are in the detail view "U" of FIG. 1 to recognize.

Am Becherboden sind ferner zwei, über die Behälterwand 4 nach außen vorstehende Hohlzylinder 29 und 30 angeformt.At the bottom of the cup two further, over the container wall 4 outwardly projecting hollow cylinder 29 and 30 are formed.

An dem Deckel 2 sind jeweils über Abreißlaschen 17, 23 ein Dom 6 und eine Verschlusskappe 24 angeformt. Die Abreißlaschen 17 und 23 sind als Sollbruchstellen ausgebildet, damit der Dom 6 und die Verschlusskappe 24 vom Deckel 2 manuell ohne Zuhilfenahme von Werkzeug abgerissen werden können. Die Verschlusskappe 24 dient zum Verschluss der Öffnung 20 des Deckels 2. Der Dom 6 stellt ein erfindungsgemäß zu verwendendes Spitzwerkzeug dar und dient dem Einbringen einer Belüftungsöffnung in dem abgegrenzten Bereich 5 der Behälterwand 4.On the cover 2, a dome 6 and a closure cap 24 are formed in each case via tear-off tabs 17, 23. The tear-off tabs 17 and 23 are designed as predetermined breaking points, so that the dome 6 and the closure cap 24 can be torn off the lid 2 manually without the aid of tools. The closure cap 24 serves to close the opening 20 of the lid 2. The dome 6 represents a pointed tool to be used according to the invention and serves to introduce a ventilation opening in the delimited region 5 of the container wall 4.

Der in der Detailansicht "Y" der Figur 1 in einer Seitenansicht und in der Figur 2 in Schnittdarstellungen gezeigte Dom 6 weist einen zylindrischen Schaft 10 und ein, an einem Ende des Schafts angeordnetes Kopfteil 11 auf. Der an das Kopfteil 11 angrenzende Ansatz 14 des Schafts erweitert sich konisch zum Kopfteil 11 hin. Das freie Ende 25 des Schafts 10 ist zur Bildung einer Spitze 12 abgeschrägt. Der Durchmesser des Schafts im Bereich des freien Endes 25 entspricht dem Innendurchmesser des am Boden des Fließbechers angeordneten Hohlzylinders 8. Im mittleren Bereich des Schafts 10 sind am Schaftumfang zwei, an diametral gegenüberliegenden Stellen angeordnete Aussparungen 13 ausgebildet. Weiterhin weist der Schaft 10 eine umlaufende Ringnut 26 (Figur 3c) mit einem geringfügig kleineren Durchmesser als der übrige Schaftbereich auf. Durch die Ringnut 26 sind am Schaftumfang zwei radial umlaufende und im Abstand zueinander angeordnete Rastkanten 15 und 16 ausgebildet. Die Aussparungen 13 erstrecken sich in Längsrichtung des Schaftes über eine Höhe, welche in etwa der halben Schaftlänge entspricht und sind bezüglich der Rastkanten 15, 16 so angeordnet, dass sie über beide hinausragen, wie in der Detaildarstellung "Y" der Figur 1 dargestellt.The detail view "Y" of the FIG. 1 in a side view and in the FIG. 2 Dom 6 shown in sectional views has a cylindrical shaft 10 and a, disposed at one end of the shaft head portion 11. The approach to the head portion 11 adjacent shoulder 14 of the shaft widens conically towards the head part 11 back. The free end 25 of the shaft 10 is chamfered to form a tip 12. The diameter of the shaft in the region of the free end 25 corresponds to the inner diameter of the hollow cylinder 8 arranged at the bottom of the fluid bowl. In the middle region of the shaft 10, two recesses 13 arranged at diametrically opposite points are formed on the shaft periphery. Furthermore, the shaft 10 has a circumferential annular groove 26 (FIG. Figure 3c ) with a slightly smaller diameter than the rest of the shaft area. Through the annular groove 26, two radially encircling and spaced apart locking edges 15 and 16 are formed on the shaft circumference. The recesses 13 extend in the longitudinal direction of the shaft over a height which corresponds approximately to half the shaft length and with respect to the locking edges 15, 16 arranged so that they protrude beyond both, as in the detailed representation "Y" of FIG. 1 shown.

Das aus dem Fließbecher und dem Dom 6 bestehende Farbbechersystem wird wie folgt verwendet:The paint cup system consisting of the gravity cup and the dome 6 is used as follows:

Zunächst wird der Behälter 1 auf den Behälterboden gestellt und der Deckel 2 wird abgeschraubt. Danach kann der Behälter 1 mit Farbe befüllt und der Deckel 2 zum Verschließen des Behälters 1 aufgeschraubt werden. Der Behälter 1 mit aufgeschraubtem Deckel 2 wird dann umgedreht und auf die Farbspritzpistole aufgesetzt. Anschließend wir mit Hilfe des vom Deckel 2 abgerissenen Doms 6 eine Belüftungsöffnung in dem abgegrenzten Bereich 5 der Behälterwand 4 eingestochen. Hierzu wird die Spitze 12 des Doms 6 durch die Membran 7 gedrückt, wodurch die Membran 7 zerreißt. Die ins Behälterinnere vorstehende Wandung 9 des Hohlzylinders 8 dient beim Einführen des Doms 6 als Führung für den Schaft 10.First, the container 1 is placed on the container bottom and the lid 2 is unscrewed. Thereafter, the container 1 can be filled with paint and the lid 2 are screwed to close the container 1. The container 1 with the lid 2 screwed on is then turned over and placed on the paint spray gun. Subsequently, with the help of the torn off from the cover 2 Doms 6 a ventilation hole in the demarcated area 5 of the container wall 4 pierced. For this purpose, the tip 12 of the mandrel 6 is pressed through the membrane 7, whereby the membrane 7 tears. The wall 9 of the hollow cylinder 8 projecting into the interior of the container serves as a guide for the shaft 10 when the mandrel 6 is inserted.

Der Dom 6 wird anschließend weiter in das Behälterinnere gedrückt, bis die untere Rastkante 16 im Behälterinneren mit der Unterkante 27 des Hohlzylinders 8 fluchtet bzw. die obere Rastkante 15 auf der Oberkante 28 des Hohlzylinders 8 aufliegt, wie in Figur 3c gezeigt. In dieser Stellung befinden sich die Aussparungen 13 auf Höhe des die eingestochene Belüftungsöffnung umgrenzenden Bereichs 4a der Behälterwand 4 und bilden dadurch einen Belüftungskanal, durch den ein Druckausgleich zwischen dem Behälterinneren und der Umgebung ermöglicht wird (Figur 3b).The dome 6 is then pressed further into the container interior, until the lower locking edge 16 in the container interior with the lower edge 27 of the hollow cylinder 8 is aligned or the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in Figure 3c shown. In this position, the recesses 13 are at the level of the pierced Ventilation opening bounding portion 4a of the container wall 4 and thereby form a ventilation channel through which a pressure equalization between the container interior and the environment is made possible ( FIG. 3b ).

Die obere Rastkante 15 soll verhindern, dass der Dom 6 selbsttätig, also ohne äußere Krafteinwirkung nur aufgrund der Schwerkraft, weiter in das Behälterinnere rutschen und dadurch den Belüftungskanal verschließen kann. Der Dom 6 kann nämlich von selbst höchstens soweit in das Behälterinnere rutschen, bis die obere Rastkante 15 auf der Oberkante 28 des Hohlzylinders 8 aufliegt, wie in Figur 3c gezeigt. Bei umgekehrter Stellung des Behälters 1 verhindert die untere Rastkante 16 in entsprechender Weise ein selbsttätiges Herausrutschen des Doms 6 aus der Belüftungsöffnung, weil der Dom 6 höchstens soweit aus dem Behälterinneren herausrutschen kann, bis die untere Rastkante 16 auf der Unterkante 27 des Hohlzylinders 8 aufliegt.The upper locking edge 15 is to prevent the dome 6 automatically, so without external force only due to gravity, further slide into the container interior and thereby close the ventilation duct. Namely, the dome 6 can by itself slip into the interior of the container at most until the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in FIG Figure 3c shown. In the reverse position of the container 1 prevents the lower locking edge 16 in an appropriate manner, an automatic slipping out of the dome 6 from the vent because the dome 6 at most can slip out of the container interior until the lower locking edge 16 rests on the lower edge 27 of the hollow cylinder 8.

Nach Abschluss des Lackierprozesses kann die Belüftungsöffnung verschlossen werden, indem der Dom 6 weiter in das Behälterinnere gedrückt wird, bis die Unterseite des Kopfteils 11 auf der Oberseite 28 des Hohlzylinders 8 aufliegt, wie in Figur 3a gezeigt. In dieser Position greift der konisch ausgebildete Schaftansatz 14 klemmend in den oberen Bereich des Hohlzylinders 8 ein und verschließt dadurch die Belüftungsöffnung, wie in Figur 3a gezeigt.After completion of the painting process, the vent opening can be closed by the dome 6 is pushed further into the container interior, until the bottom of the head portion 11 rests on the top 28 of the hollow cylinder 8, as in FIG. 3a shown. In this position, the conical shaft extension 14 engages in a clamping manner in the upper region of the hollow cylinder 8 and thereby closes the ventilation opening, as in FIG. 3a shown.

Gegenüber den bekannten Farbbechersystemen zeichnet sich die Erfindung dadurch aus, dass mittels des Spitzwerkzeugs in Form des Doms 6 auf einfache Art eine Belüftungsöffnung in den Fließbecher eingestochen werden kann. Hierzu ist der zum Einbringen der Belüftungsöffnung vorgesehene Bereich der Behälterwand des Fließbechers abgegrenzt und so ausgebildet, dass ein einfacheres Durchstoßen einer Öffnung ermöglicht wird, beispielsweise durch die in das Behälterinnere ragende Führungsfläche und die leicht mit einem Spitzwerkzeug durchstoßbare dünne Membran 7.Compared with the known paint cup systems, the invention is characterized in that by means of the pointed tool in the form of the dome 6 in a simple way a ventilation opening can be inserted into the flow cup. For this purpose, provided for introducing the ventilation opening portion of the container wall of the flow cup is delimited and designed so that a simpler piercing an opening is made possible, for example, by the projecting into the container interior guide surface and easily pierceable with a pointed tool thin membrane. 7

Claims (6)

Verwendung eines Spitzwerkzeugs mit - einem zylindrischen Schaft (10) an dessen Umfang mindestens eine Aussparung (13) vorgesehen ist, - einem daran angeordneten Kopfteil (11) - und einer Spitze (12) am Ende des Schafts, - bei dem zumindest der an das Kopfteil (11) angrenzende Ansatz (14) des Schafts oder der gesamte Schaft (10) sich zum Kopfteil (11) hin konisch erweitert, zum Durchstoßen einer Belüftungsöffnung in die Wand (4) eines Farbbechers für eine Farbspritzpistole, wobei die Aussparung (13) einen Belüftungskanal bildet, wenn das Spitzwerkzeug (6) nach dem Durchstoßen der Belüftungsöffnung so weit in diese eingeschoben wird, dass die Aussparung (13) sich auf Höhe des die Belüftungsöffnung umgrenzenden Bereichs (4a) der Behälterwand (4) befindet.Using a pointed tool with a cylindrical shaft (10) is provided on the periphery of which at least one recess (13) is provided, a head part (11) arranged thereon and a tip (12) at the end of the shaft, in which at least the projection (14) of the shaft adjoining the head part (11) or the entire shaft (10) widens conically towards the head part (11), for piercing a ventilation opening in the wall (4) of a paint cup for a paint spray gun, wherein the recess (13) forms a ventilation channel when the pointed tool (6) is inserted so far into it after piercing the ventilation opening, that the recess (13) is at the height of the ventilation opening bounding portion (4a) of the container wall (4). Verwendung eines Spitzwerkzeugs nach Anspruch 1, dadurch gekennzeichnet, dass sich die Aussparung (13) in Längsrichtung des Schafts (10) über eine Höhe erstreckt, welche etwa der halben Schaftlänge entspricht.Use of a pointed tool according to claim 1, characterized in that the recess (13) extends in the longitudinal direction of the shaft (10) over a height which corresponds approximately to half the shank length. Verwendung eines Spitzwerkzeug nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass am Schaftumfang zwei umlaufende und im Abstand zueinander angeordnete Rastkanten (15, 16) vorgesehen sind.Use of a pointed tool according to one of claims 1 or 2, characterized in that on the shaft circumference two circumferential and spaced-apart locking edges (15, 16) are provided. Verwendung eines Spitzwerkzeugs nach Anspruch 3, dadurch gekennzeichnet, dass sich die oder jede Aussparung (13) in Längsrichtung des Schafts zumindest zwischen den beiden Rastkanten (15, 16) erstreckt.Use of a pointed tool according to claim 3, characterized in that the or each recess (13) extends in the longitudinal direction of the shaft at least between the two latching edges (15, 16). Verwendung eines Spitzwerkzeugs nach Anspruch 3, dadurch gekennzeichnet, dass sich die oder jede Aussparung (13) in Längsrichtung des Schafts über die beiden Rastkanten (15, 16) hinaus erstreckt.Use of a pointed tool according to claim 3, characterized in that the or each recess (13) extends beyond the two locking edges (15, 16) in the longitudinal direction of the shaft. Verwendung eines Spitzwerkzeugs nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das freie Ende (25) des Schafts (10) zur Bildung der Spitze (12) abgeschrägt ist.Use of a pointed tool according to one of claims 1 to 5, characterized in that the free end (25) of the shank (10) is chamfered to form the tip (12).
EP09167448.1A 2004-01-22 2005-01-18 Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun Expired - Lifetime EP2111920B1 (en)

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PL09167448T PL2111920T3 (en) 2004-01-22 2005-01-18 Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun

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DE102004003439.7A DE102004003439B4 (en) 2004-01-22 2004-01-22 Paint cup system for a paint spray gun
EP05701008A EP1708822B1 (en) 2004-01-22 2005-01-18 Paint reservoir system for a paint spraying gun

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EP05701008A Division EP1708822B1 (en) 2004-01-22 2005-01-18 Paint reservoir system for a paint spraying gun

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EP2111920A2 true EP2111920A2 (en) 2009-10-28
EP2111920A3 EP2111920A3 (en) 2013-02-27
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EP05701008A Expired - Lifetime EP1708822B1 (en) 2004-01-22 2005-01-18 Paint reservoir system for a paint spraying gun

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EP (2) EP2111920B1 (en)
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DE (2) DE102004003439B4 (en)
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US20080179763A1 (en) 2008-07-31
JP2007518554A (en) 2007-07-12
DE102004003439A1 (en) 2005-08-18
EP1708822B1 (en) 2010-03-24
TW200533423A (en) 2005-10-16
TWI309584B (en) 2009-05-11
JP4436370B2 (en) 2010-03-24
ATE461752T1 (en) 2010-04-15
US7819341B2 (en) 2010-10-26
DE502005009274D1 (en) 2010-05-06
HK1096057A1 (en) 2007-05-25
EP2111920A3 (en) 2013-02-27
EP1708822A1 (en) 2006-10-11
DE102004003439B4 (en) 2022-02-03
EP2111920B1 (en) 2014-11-19
CN1909970A (en) 2007-02-07
WO2005070557A1 (en) 2005-08-04
PL2111920T3 (en) 2015-04-30
CN100455360C (en) 2009-01-28

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