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EP0587070B1 - Multi-way dispenser - Google Patents

Multi-way dispenser Download PDF

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Publication number
EP0587070B1
EP0587070B1 EP93114182A EP93114182A EP0587070B1 EP 0587070 B1 EP0587070 B1 EP 0587070B1 EP 93114182 A EP93114182 A EP 93114182A EP 93114182 A EP93114182 A EP 93114182A EP 0587070 B1 EP0587070 B1 EP 0587070B1
Authority
EP
European Patent Office
Prior art keywords
container
plunger
cover part
piston
casing
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
EP93114182A
Other languages
German (de)
French (fr)
Other versions
EP0587070A2 (en
EP0587070A3 (en
Inventor
Siegfried Kübler
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.)
BASF Coatings GmbH
Original Assignee
BASF Coatings 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 BASF Coatings GmbH filed Critical BASF Coatings GmbH
Publication of EP0587070A2 publication Critical patent/EP0587070A2/en
Publication of EP0587070A3 publication Critical patent/EP0587070A3/en
Application granted granted Critical
Publication of EP0587070B1 publication Critical patent/EP0587070B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/76—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston

Definitions

  • the invention relates to a container for pasty masses accordingly the preamble of claim 1.
  • a container constructed as described above is known from US-A-4,323,176.
  • This known container exists from a cylindrical sleeve as packing, one of the Adapted sleeve and removable from this cover part with a by a cap closable outlet for the pasty Mass and an axially movable piston as the bottom part.
  • the Piston movement takes place mechanically and, depending on the level, can mass introduced into the cylindrical sleeve by means of a toothed Piston rod and one acting on the piston rod spring-loaded rocker arm can be found.
  • cartridges which usually consist of Are made of plastic, with firmly molded lid part too use.
  • the construction according to the invention ensures the axial sliding piston 4 in connection with the valve in the cover part the container is pneumatic and in particular drip-free Spreading pasty masses.
  • the sealing lips 4d of the piston 4, the edge of the screw-on designed as a double seal 2a Cover part 2 and the valve provide adequate sealing against ingress of air and thus protection against dehydration.
  • the one with the Outlet opening 3 of the cover part 2 connected valve is suitable also for automatic filling of the container.
  • the stable design of the cylindrical sleeve 1 rational handling on automatic filling machines guaranteed.
  • the removable cover part 2 and the removable piston 4 allow easy and thorough cleaning of all container parts.
  • Figure 1 shows a section through the container, with a cylindrical Sleeve 1, cover part 2 with the closable outlet opening 3 and the axially displaceable piston 4.
  • Figure 2 shows a section through the cover part 2 with a in the outlet opening 3 screwed valve 5.
  • Figure 3 shows a section through the cover part 2 with a in the outlet opening 3 screwed plug 7th
  • FIG. 4 shows an embodiment variant with one on the piston rear 4b attached flat plate 6, which is easy on a undercut pin 4f is snapped into the piston center.
  • Figure 5 shows an enlarged section through the Wall of the cylindrical sleeve 1 with the inside diameter 1b circumferential thickening 1c with a sawtooth profile.
  • the flat design of the inside of the cover part 2 allows easy cleaning and also causes that the concave piston 4 at the end of the squeezing process first in the edge area 4d and from there progressing towards the center 4e. This allows the pasty mass from the edge 4d to the center 4e can be expressed without hindrance. Of the same effect can be achieved if the inside the cover part 2 slightly concave towards the pasty mass and the piston surface 4a is designed as a flat surface is.
  • the pneumatic pressure when pressing out the pasty Mass reduces the concave bulge of the piston 4. This creates a force on the cylindrical Sleeve 1 adjacent front sealing lip 4d of the piston 4, which is a clean stripping of the pasty Mass from the inner wall of the cylindrical sleeve 1 to Consequence.
  • a flat plate 6 is attached to the piston rear side 4b will.
  • the attachment is preferably done by snapping on on a molded in the center 4e of the piston 4, slightly undercut pin 4f.
  • the flat comes Plate 6 on its entire, facing the piston Surface to the system and prevents another Bulging the piston 4 or a snap in Towards pasty mass.
  • the sawtooth-shaped thickening 1c of the cylindrical Sleeve 1 prevents the piston 4 from being pushed out due to vibrations during transport or in the event of heat increased internal pressure.
  • the open design of the cylindrical sleeve 1 enables a precise, sharp-edged injection molding Forming the sawtooth profile of the circumferential thickening 1c.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Basic Packing Technique (AREA)
  • Tubes (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Graft Or Block Polymers (AREA)
  • Packages (AREA)
  • Error Detection And Correction (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

A container for pasty substances, having a cylindrical casing as the filling body (1), a lid part (2) which is adapted to the casing (1) and has a closable outlet aperture (3) for the pasty substance, and having an axially movable plunger (4) as the bottom part, is characterised in that the lid part (2) can be removed from the filling body (1), and the plunger (4) can be removed from the filling body (1) in the direction of the lid part (2). <IMAGE>

Description

Die Erfindung betrifft einen Behälter für pastöse Massen entsprechend dem Oberbegriff des Patentanspruches 1.The invention relates to a container for pasty masses accordingly the preamble of claim 1.

Ein Behälter, der so aufgebaut ist, wie vorstehend beschrieben, ist aus der US-A-4 323 176 bekannt. Dieser bekannte Behälter besteht aus einer zylindrischen Hülse als Füllkörper, einem der Hülse angepassten und von dieser abnehmbaren Deckelteil mit einer durch eine Kappe verschließbaren Auslaßöffnung für die pastöse Masse und einem axial bewegbaren Kolben als Bodenteil. Die Kolbenbewegung erfolgt mechanisch und kann je nach Füllstand der in der zylindrischen Hülse eingebrachten Masse mittels einer verzahnten Kolbenstange sowie eines auf die Kolbenstange wirkenden, federbelasteten Kipphebels festgestellt werden.A container constructed as described above is known from US-A-4,323,176. This known container exists from a cylindrical sleeve as packing, one of the Adapted sleeve and removable from this cover part with a by a cap closable outlet for the pasty Mass and an axially movable piston as the bottom part. The Piston movement takes place mechanically and, depending on the level, can mass introduced into the cylindrical sleeve by means of a toothed Piston rod and one acting on the piston rod spring-loaded rocker arm can be found.

Weiterhin ist es bekannt, für das Abfüllen und Ausdrücken von pastösen Massen sogenannte Kartuschen, die in der Regel aus Kunststoff hergestellt sind, mit fest angeformtem Deckelteil zu verwenden.Furthermore, it is known for the filling and printing of pasty masses called cartridges, which usually consist of Are made of plastic, with firmly molded lid part too use.

Es war Aufgabe der Erfindung, einen Behälter zu entwickeln, der in der Funktion einer Kunststoffkartusche entspricht, der jedoch als Mehrwegverpackung leicht gereinigt und wieder befüllt werden kann. Hierbei waren folgende Punkte zu berücksichtigen.

  • Die eingefüllte pastöse Masse muß sich mit pneumatischen Ausdrückeinrichtungen tropffrei ausdrücken lassen.
  • Die eingefüllte pastöse Masse muß beim Transport und Lagerung gegen Aushärtung infolge Luftzutritt ausreichend gesichert sein.
  • Der Behälter muß auf gängigen Abfüllmaschinen ein rationelles Handling ermöglichen.
  • Der Behälter muß so beschaffen sein, daß sich die mit der pastösen Masse in Berührung kommenden Flächen leicht reinigen lassen.
It was an object of the invention to develop a container which corresponds to the function of a plastic cartridge, but which can be easily cleaned and refilled as a reusable packaging. The following points had to be considered.
  • The filled paste-like mass must be able to be pressed out drip-free with pneumatic push-out devices.
  • The filled pasty mass must be adequately secured against hardening due to air ingress during transport and storage.
  • The container must enable efficient handling on common filling machines.
  • The container must be designed in such a way that the surfaces that come into contact with the pasty mass can be easily cleaned.

Diese Vorgaben werden durch die Merkmale der Patentansprüche 1 - 5 gelöst. These requirements are determined by the features of the claims 1 - 5 solved.

Die erfindungsgemäße Konstruktion gewährleistet durch den axial verschiebbaren Kolben 4 in Verbindung mit dem Ventil im Deckelteil des Behälters ein pneumatisches und insbesondere tropffreies Ausbringen von pastösen Massen. Die Dichtlippen 4d des Kolbens 4, der als Doppeldichtung 2a gestaltete Rand des aufschraubbaren Deckelteils 2 und das Ventil bieten eine ausreichende Abdichtung gegen Luftzutritt und somit Schutz vor Austrocknung. Das mit der Auslaßöffnung 3 des Deckelteils 2 verbundene Ventil eignet sich auch für eine automatische Befüllung des Behälters. Zudem ist durch die standfeste Gestaltung der zylindrischen Hülse 1 ein rationelles Handling auf automatischen Abfüllmaschinen gewährleistet.The construction according to the invention ensures the axial sliding piston 4 in connection with the valve in the cover part the container is pneumatic and in particular drip-free Spreading pasty masses. The sealing lips 4d of the piston 4, the edge of the screw-on designed as a double seal 2a Cover part 2 and the valve provide adequate sealing against ingress of air and thus protection against dehydration. The one with the Outlet opening 3 of the cover part 2 connected valve is suitable also for automatic filling of the container. In addition is due to the stable design of the cylindrical sleeve 1 rational handling on automatic filling machines guaranteed.

Das abnehmbare Deckelteil 2 und der entfernbare Kolben 4 ermöglichen eine leichte und gründliche Reinigung aller Behälter-Einzelteile.The removable cover part 2 and the removable piston 4 allow easy and thorough cleaning of all container parts.

Die Erfindung wird nachstehend anhand der Zeichnung näher erläutert.The invention will now be described with reference to the drawing explained.

Figur 1 zeigt einen Schnitt durch den Behälter, mit zylindrischer Hülse 1, Deckelteil 2 mit der verschließbaren Auslaßöffnung 3 und dem axial verschiebbaren Kolben 4.Figure 1 shows a section through the container, with a cylindrical Sleeve 1, cover part 2 with the closable outlet opening 3 and the axially displaceable piston 4.

Figur 2 zeigt einen Schnitt durch das Deckelteil 2 mit einem in die Auslaßöffnung 3 eingeschraubten Ventil 5.Figure 2 shows a section through the cover part 2 with a in the outlet opening 3 screwed valve 5.

Figur 3 zeigt einen Schnitt durch das Deckelteil 2 mit einem in die Auslaßöffnung 3 eingeschraubten Verschlußstopfen 7.Figure 3 shows a section through the cover part 2 with a in the outlet opening 3 screwed plug 7th

Figur 4 zeigt eine Ausführungsvariante mit einer an der Kolbenrückseite 4b befestigten ebenen Platte 6, die auf einen leicht hinterschnittenen Zapfen 4f im Kolbenzentrum aufgeschnappt ist.FIG. 4 shows an embodiment variant with one on the piston rear 4b attached flat plate 6, which is easy on a undercut pin 4f is snapped into the piston center.

Figur 5 zeigt einen vergrößert dargestellten Schnitt durch die Wand der zylindrischen Hülse 1 mit der an ihrem Innendurchmesser 1b umlaufenden Verdickung 1c mit sägezahnförmigem Profil.Figure 5 shows an enlarged section through the Wall of the cylindrical sleeve 1 with the inside diameter 1b circumferential thickening 1c with a sawtooth profile.

Konstruktiv ist die Erfindung durch folgende Merkmale gekennzeichnet: The invention is structurally characterized by the following features:

Die ebene Ausführung der Innenseite des Deckelteils 2 läßt eine leichte Reinigung zu und bewirkt darüber hinaus, daß der konkav gewölbte Kolben 4 am Ende des Ausdrückvorgangs zuerst im Randbereich 4d und von dort aus zum Zentrum 4e hin fortschreitend zur Anlage kommt. Dadurch kann die pastöse Masse vom Rand 4d aus zum Zentrum 4e hin unbehindert restlos ausgedrückt werden. Der gleiche Effekt kann erzielt werden, wenn die Innenseite des Deckelteils 2 zur pastösen Masse hin leicht konkav und die Kolbenoberfläche 4a als ebene Fläche ausgeführt ist.The flat design of the inside of the cover part 2 allows easy cleaning and also causes that the concave piston 4 at the end of the squeezing process first in the edge area 4d and from there progressing towards the center 4e. This allows the pasty mass from the edge 4d to the center 4e can be expressed without hindrance. Of the same effect can be achieved if the inside the cover part 2 slightly concave towards the pasty mass and the piston surface 4a is designed as a flat surface is.

Der pneumatische Druck beim Ausdrücken der pastösen Masse verringert die konkave Durchwölbung des Kolbens 4. Dadurch entsteht eine Kraft auf die an der zylindrischen Hülse 1 anliegende vordere Dichtlippe 4d des Kolbens 4, was ein sauberes Abstreifen der pastösen Masse von der Innenwand der zylindrischen Hülse 1 zur Folge hat.The pneumatic pressure when pressing out the pasty Mass reduces the concave bulge of the piston 4. This creates a force on the cylindrical Sleeve 1 adjacent front sealing lip 4d of the piston 4, which is a clean stripping of the pasty Mass from the inner wall of the cylindrical sleeve 1 to Consequence.

Um bei größerem Druck ein Überschnappen der Kolbenwölbung in Richtung der pastösen Masse zu verhindern, kann an der Kolbenrückseite 4b eine ebene Platte 6 befestigt werden. Die Befestigung erfolgt vorzugsweise durch Aufschnappen auf einen im Zentrum 4e des Kolbens 4 angeformten, leicht hinterschnittenen Zapfen 4f. Sobald die Kolbenwölbung durch die von außen wirkende Druckluft zu einer ebenen Fläche gedrückt wird, kommt die ebene Platte 6 an ihrer gesamten, dem Kolben zugewandten Oberfläche zur Anlage und verhindert ein weiteres Durchwölben des Kolbens 4 bzw. ein Überschnappen in Richtung pastöser Masse.To snap the piston crown at higher pressure can prevent in the direction of the pasty mass a flat plate 6 is attached to the piston rear side 4b will. The attachment is preferably done by snapping on on a molded in the center 4e of the piston 4, slightly undercut pin 4f. As soon as the Piston curvature due to the compressed air acting from outside a flat surface is pressed, the flat comes Plate 6 on its entire, facing the piston Surface to the system and prevents another Bulging the piston 4 or a snap in Towards pasty mass.

Die sägezahnförmige Verdickung 1c der zylindrischen Hülse 1 verhindert ein Herausdrücken des Kolbens 4 durch Erschütterungen beim Transport oder bei wärmebedingtem erhöhten Innendruck.The sawtooth-shaped thickening 1c of the cylindrical Sleeve 1 prevents the piston 4 from being pushed out due to vibrations during transport or in the event of heat increased internal pressure.

Die offene Gestaltung der zylindrischen Hülse 1 ermöglicht eine spritzgußtechnisch exakte, scharfkantige Ausformung des Sägezahnprofils der umlaufenden Verdickung 1c.The open design of the cylindrical sleeve 1 enables a precise, sharp-edged injection molding Forming the sawtooth profile of the circumferential thickening 1c.

Claims (5)

  1. A container for pasty compositions having a cylindrical sleeve as a casing (1), a cover part (2) adapted to the sleeve (1), having a closable outlet opening (3) for the pasty composition and an axially movable plunger (4) as a base part, in which container the cover part (2) can be taken off the casing (1) and the plunger (4) can be removed from the casing (1) in the direction of the cover part (2), wherein the cover part (2) is provided with a valve (5), connected to the outlet opening (3), for discharging the pasty composition without dripping.
  2. A container as claimed in Claim 1, wherein the plunger surface (4a) is concavely curved with respect to the planar inner side of the cover part (2).
  3. A container as claimed in Claim 1, wherein the cover part (2) is curved in the direction of the plunger (4) and the plunger surface (4a) has a planar face.
  4. A container as claimed in Claims 1 to 3, wherein there is fastened on the rear side (4b) of the plunger a planar plate (6) perpendicular to the plunger axis (4c).
  5. A container as claimed in Claim 1, wherein the cylindrical sleeve (1) has at its end (1a) on the plunger side, on the inside diameter (1b), a peripheral thickening (1c) with a sawtooth-like profile.
EP93114182A 1992-09-04 1993-09-03 Multi-way dispenser Expired - Lifetime EP0587070B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9211937U 1992-09-04
DE9211937U DE9211937U1 (en) 1992-09-04 1992-09-04 Reusable cartridge

Publications (3)

Publication Number Publication Date
EP0587070A2 EP0587070A2 (en) 1994-03-16
EP0587070A3 EP0587070A3 (en) 1995-02-15
EP0587070B1 true EP0587070B1 (en) 1998-05-20

Family

ID=6883425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93114182A Expired - Lifetime EP0587070B1 (en) 1992-09-04 1993-09-03 Multi-way dispenser

Country Status (4)

Country Link
EP (1) EP0587070B1 (en)
AT (1) ATE166315T1 (en)
DE (2) DE9211937U1 (en)
ES (1) ES2117685T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011088672A (en) 2009-10-26 2011-05-06 Sulzer Mixpac Ag Cartridge with unified closing cap
CA2714706A1 (en) 2009-10-26 2011-04-26 Sulzer Mixpac Ag Container having a shock-absorbing element

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323176A (en) * 1980-07-11 1982-04-06 Taco Bell Manually-operable ratchet type dispenser for comestibles
DE3431016A1 (en) * 1983-08-30 1985-03-14 Karl Gümlingen Bern Gsteiger Container
DE3708704A1 (en) * 1987-03-18 1988-09-29 Fischbach A Kunststoff Kg MEASURING CARTRIDGE FOR PASTOESE

Also Published As

Publication number Publication date
EP0587070A2 (en) 1994-03-16
DE59308570D1 (en) 1998-06-25
ATE166315T1 (en) 1998-06-15
DE9211937U1 (en) 1992-12-17
EP0587070A3 (en) 1995-02-15
ES2117685T3 (en) 1998-08-16

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