EP0663348B1 - Dispositif pour le vidage d'un sac tubulaire - Google Patents

Dispositif pour le vidage d'un sac tubulaire Download PDF

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Publication number
EP0663348B1
EP0663348B1 EP94119686A EP94119686A EP0663348B1 EP 0663348 B1 EP0663348 B1 EP 0663348B1 EP 94119686 A EP94119686 A EP 94119686A EP 94119686 A EP94119686 A EP 94119686A EP 0663348 B1 EP0663348 B1 EP 0663348B1
Authority
EP
European Patent Office
Prior art keywords
cap
ring
housing
tubular bag
cartridge
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
EP94119686A
Other languages
German (de)
English (en)
Other versions
EP0663348A1 (fr
Inventor
Gerd Brandhorst
Wolf-Dietrich Herold
Ralf Heiduczek
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.)
3M Deutschland GmbH
Original Assignee
Thera Patent GmbH and Co KG Gesellschaft fuer Industrielle Schutzrechte
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6903167&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0663348(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thera Patent GmbH and Co KG Gesellschaft fuer Industrielle Schutzrechte filed Critical Thera Patent GmbH and Co KG Gesellschaft fuer Industrielle Schutzrechte
Publication of EP0663348A1 publication Critical patent/EP0663348A1/fr
Application granted granted Critical
Publication of EP0663348B1 publication Critical patent/EP0663348B1/fr
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
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00583—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes the container for the material to be dispensed being deformable
    • 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
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0072—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by a piston or a movable bottom or partition provided in the container or the package

Definitions

  • EP 0 541 972 A1 describes a device for emptying a tubular bag containing a flowable substance known, the tubular bag at its discharge end Ring with a conical sealing surface carries and the device a cylindrical housing to hold the tubular bag between a sliding piston and a cap having.
  • a discharge opening is provided in the cap, that of an annular contact surface for the conical Provide the sealing surface of the ring attached to the tubular bag is.
  • the Tubular bag in the cylindrical housing from its front or inserted the rear end, whereupon the front End of the case connected to the cap and into the back End of the piston is inserted.
  • the conical sealing surface the ring comes with the one in the cap Contact surface in contact, which is to ensure that the tubular bag cut off outside the ring Empty only through the opening in the cap can, but no material in the space between the cap, Tubular bag and housing. Since the sealing force from the Application pressure generated by the advance of the piston , it is automatically increased whenever the application pressure is high.
  • the tubular bag contains a relatively low viscosity Mass, such as a fresh catalyst, so there is Possibility of this even at low pressure on the piston begins to flow out before there is sufficient pressure between the sealing surfaces of the ring and cap are reached. In this Falling mass can even fall into the area between get the sealing surfaces and prevent any sufficient sealing is achieved.
  • a relatively low viscosity Mass such as a fresh catalyst
  • the seal described at the front end of the tubular bag is especially important when the tubular bag one of two or more components deployed simultaneously contains a mixture of materials to be produced.
  • the desired properties are achieved the finished mass to an exact mixing ratio; to is a complete application of the prescribed Amount of each component needed.
  • EP-A-0 319 666 is a device for emptying a Tubular bag known in the on the discharge end of the an annular tubular bag inserted into a housing End member attached, the housing closed with a cap and on a collar of the end member protruding through the cap a dispensing spout is screwed on. Because of these There is a seal between the collar and the discharge spout against the cap.
  • the invention has for its object a combination from a tubular bag and a device for emptying it specify, with the seal between the front end the tubular bag and the cap guaranteed even better than before is.
  • the inventive solution to this problem is in the claim 1 marked.
  • the ring is characterized by the fact that it deals with its Edge area against a support surface of the cap facing the Casing creates, automatically aligned, even if it is something cant should be glued to the tubular bag.
  • the embodiment of the invention according to claim 3 ensures that during the application process from the piston to the rear Exerted pressure also for the Sealing force between the ring and cap is used when the Tubular bag stuck inside the housing. That between housing and cap existing play allows in this case that the the bag itself is pressurized takes so far that the sealing force generates with certainty becomes.
  • the measure specified in claim 5 results due to the small contact area between ring and cap in a high sealing pressure.
  • the device consists of a cylindrical cartridge 1 which forms the housing mentioned above and in the claims, a substantially rigid cap 2 which can be plugged onto the front (lower in the drawing) end of the cartridge 1 and one into the rear end of the cartridge insertable and displaceable piston 3 .
  • the cartridge 1 is made from a section of a rigid cylindrical plastic tube with a constant inner diameter and has an end region 4 with a reduced outer diameter at the front, which forms the front end edge 5 of the cartridge 1 and an outer annular shoulder 6 .
  • the cap 2 has a hollow cylindrical end region 7 , which forms a rear end edge 8 and engages around the end region 4 of the cartridge 1 in the assembled state.
  • the cap 2 is penetrated by a discharge opening 9 , which begins at the rear end with a conical inlet 10 and ends in a spout 11 at the front.
  • the rear end of the inlet 10 forms an annular sealing edge 12 which is coaxial with the axis of the cartridge 1 (which in practice represents a narrow sealing surface).
  • a soft-flexible tubular bag 15 inserted into the cartridge 1 is shown, at the rear end of which a clip 16 closing it can be seen.
  • the tubular bag contains a more or less viscous mass, which can be a dental impression material in a typical application.
  • the piston 3 For receiving the part of the combined tubular bag located outside the clip 16 , the piston 3 has an axial recess 13 ; the piston 3 therefore presses against the rear end of the tubular bag 15 with a ring region 14 directed towards the front.
  • the tubular bag 15 carries a ring 17 which is glued to the tubular bag 15 with an edge pointing backwards.
  • the ring 17 has an outwardly projecting flange 18 , the edge region 19 of which has an outer diameter which exceeds the inner diameter of the cartridge 1 .
  • the ring 17 forms a conical sealing surface 20 that tapers towards the front.
  • a tubular bag 15 filled with a mass to be dispensed is inserted into the cartridge 1 from the front end until the edge region 19 of the ring flange 18 abuts the front edge 5 of the cartridge 1 .
  • the end of the tubular bag 15 projecting forward through the ring 17 which is designed similarly to its rear end, is cut off together with the clip also present at the front.
  • the cap 2 is then placed on the cartridge 1 , its end region 7 encompassing the end region 4 of the cartridge 1 , so that the sealing edge 12 formed by the inlet 10 touches the sealing surface 20 of the ring 17 .
  • the end regions 4 and 7 of cartridge 1 and cap 2 are dimensioned such that a joint remains between the shoulder 6 and the front edge 8 in the assembled state; Likewise, the front of the ring 17 and the rear of the cap 2 are designed and dimensioned such that an air space remains in front of the ring 17 outside the conical sealing surface 20 . This ensures that the cartridge 1 , the cap 2 and the ring 17 lie against one another in the manner described when the cap 2 is locked with the cartridge 1 .
  • the means for locking are not shown in the drawing; they can consist, for example, of inserting the cartridge 1 together with the cap 2 and tubular bag 15 into an appropriately designed device which has a drive for the piston 3 . Such a device is described in EP 0 492 413 A1.
  • the ring 17 should be glued to the tubular bag 15 in a tilted manner, it is automatically aligned in that the edge region 19 rests on the front edge 5 of the cartridge 1 . Furthermore, any radial offset of the ring 17 is compensated for by the inner surface of the end region 7 of the cap 2 .
  • the outer diameter of the ring flange 18 is only slightly smaller than the inner diameter of the end region 7 of the cap 2 , so that guidance is achieved.
  • tubular bag 15 cannot be pushed completely into the cartridge 1 due to a tolerance exceeded during manufacture or due to contamination, or if foreign bodies have been introduced in the vicinity of the sealing area, this prevents the cartridge 1 and cap 2 from locking and becomes thereby recognizable before the device is actually put into operation.

Claims (5)

  1. Combinaison constituée d'un sac tubulaire destiné à recevoir une substance coulante et d'un dispositif de vidage de celui-ci, le sac tubulaire (15) présentant un anneau (17), à son extrémité d'évacuation et le dispositif comprenant un boítier cylindrique (1) destiné à recevoir le sac tubulaire (15), entre un piston(3) coulissant et un capuchon (2), qui est pourvu d'une surface d'application (12) annulaire, entourant une ouverture d'évacuation (9) et coopérant avec l'anneau (17) du sac tubulaire (15), en vue d'assurer l'étanchéité du produit à évacuer du sac tubulaire (15), caractérisée en ce que l'anneau (17) présente une zone de bordure (19), dépassant le diamètre intérieur du boítier (1), destinée à venir s'appliquer contre une surface d'appui (5) du boítier (1), tournée vers le capuchon (2).
  2. Combinaison selon la revendication 1, caractérisée en ce qu'une zone d'extrémité (4) du boítier (1)et une zone d'extrémité (7) clyndrique du capuchon (2) s'engagent l'une dans l'autre et la zone de bordure (19) de l'anneau (17) est guidée par la paroi intérieure de la zone d'extrémité extérieure des deux zones d'extrémité (4,7).
  3. Combinaison selon la revendication 2, caractérisée par un dimensionnement axial des zones d'extrémité (4,7) s'engageant l'une dans l'autre, du boítier (1) et du capuchon (2), tel qu'entre leurs surfaces (6,8) dirigées l'une vers l'autre il reste un jeu, lorsque l'anneau (17) vient heurter aussi bien la surface d'application (12) du capuchon (2) que, par sa zone de bordure (19), la surface d'appui (5) du boítier (1).
  4. Combinaison selon l'une des revendictions 1 à 3, caractérisée en ce que la zone d'extrémité (7) du capuchon (2) entoure la zone d'extrémité (4) du boítier (1) et le bord frontal du boítier (1) forment la surface d'appui (5) pour l'anneau (17).
  5. Combinaison selon l'une des revendications 1 à 4, caractérisée en ce que l'anneau (17) présente une surface d'étanchéité (20) conique et la surface d'application (12), prévue dans le capuchon (2), pour la surface d'étanchéité (20) de l'anneau (17), est formée par un bord annulaire.
EP94119686A 1994-01-13 1994-12-13 Dispositif pour le vidage d'un sac tubulaire Expired - Lifetime EP0663348B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9400524U 1994-01-13
DE9400524U DE9400524U1 (de) 1994-01-13 1994-01-13 Vorrichtung zum Entleeren eines Schlauchbeutels

Publications (2)

Publication Number Publication Date
EP0663348A1 EP0663348A1 (fr) 1995-07-19
EP0663348B1 true EP0663348B1 (fr) 1998-06-03

Family

ID=6903167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94119686A Expired - Lifetime EP0663348B1 (fr) 1994-01-13 1994-12-13 Dispositif pour le vidage d'un sac tubulaire

Country Status (16)

Country Link
US (2) US5501368A (fr)
EP (1) EP0663348B1 (fr)
JP (1) JP3504757B2 (fr)
AT (1) ATE166848T1 (fr)
AU (1) AU683109B2 (fr)
BR (1) BR9500057A (fr)
CA (1) CA2139446C (fr)
CZ (1) CZ288023B6 (fr)
DE (2) DE9400524U1 (fr)
DK (1) DK0663348T3 (fr)
ES (1) ES2119056T3 (fr)
FI (1) FI950125A (fr)
HU (1) HU213490B (fr)
NO (1) NO950117L (fr)
PL (1) PL176188B1 (fr)
ZA (1) ZA9572B (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9400524U1 (de) * 1994-01-13 1995-05-18 Thera Ges Fuer Patente Vorrichtung zum Entleeren eines Schlauchbeutels
DE19641750A1 (de) * 1996-10-10 1998-04-23 Henkel Ecolab Gmbh & Co Ohg Topf mit flexiblem Vorratsgebinde und Folgeplatte
US5873492A (en) * 1997-01-28 1999-02-23 Coltene/Whaledent, Inc. Dispensing bag for dynamic mixer
US5799816A (en) 1997-01-31 1998-09-01 Dayton Systems Group, Inc. Tabs for easy-open can end
ATE267751T1 (de) * 1997-03-07 2004-06-15 3M Espe Ag Vorrichtung zum entleeren eines schlauchbeutels
CA2247801A1 (fr) * 1997-10-15 1999-04-15 Arthur Zwingenberger Appareil servant a melanger et a appliquer une matiere de moulage composite
DE19806869A1 (de) * 1998-02-19 1999-08-26 Focke & Co Vorrichtung zum Auftragen von Leim
DE29813684U1 (de) 1998-07-31 1998-12-17 Voco Gmbh Anordnung zur Ausgabe von fließfähigen Substanzen aus Folienschläuchen
KR20010071703A (ko) * 1998-08-24 2001-07-31 유진 에프. 밀러 단일행정 유체분배시스템
EP0992438A1 (fr) 1998-10-09 2000-04-12 Wilhelm A. Keller Cartouche à paroi mince pour dispositif distributeur réutilisable
US6364163B1 (en) * 1998-11-18 2002-04-02 John J. Mueller Refillable dispenser and cartridge
WO2000061457A1 (fr) * 1999-04-12 2000-10-19 Kettenbach Gmbh & Co. Kg Feuille d'emballage pour substance pateuse
US6264066B1 (en) * 1999-07-15 2001-07-24 Grand Soft Equipment Co. Apparatus and method for dispensing a desired portion of frozen product
DE20003270U1 (de) * 2000-02-23 2001-07-05 Kettenbach Gmbh & Co Kg Folienschlauchverpackung für eine pastöse Masse
DE10030983B4 (de) * 2000-06-30 2005-08-18 3M Espe Ag Verwendung eines Mehrkammerschlauchbeutels und Verfahren zu dessen Herstellung
AUPR248700A0 (en) * 2000-12-22 2001-02-01 Selleys Pty Limited Dispensing apparatus
AU2002215704B2 (en) * 2000-12-22 2005-07-28 Selleys Pty Limited Dispensing apparatus
US8147122B2 (en) * 2003-03-06 2012-04-03 Dentsply International Inc. Dispensing and mixing tip for reactive componets
US8360278B2 (en) 2007-12-05 2013-01-29 Freeze King Pressure vessel, system and/or method for dispensing a comestible mixture
DE102008005743A1 (de) * 2008-01-23 2009-08-06 Heraeus Kulzer Gmbh Vorrichtung zur Lagerung von fluiden Komponenten für den dentalen Bereich
US8424727B2 (en) * 2008-05-05 2013-04-23 Meritool Llc Material dispensing assembly
JP5318509B2 (ja) * 2008-09-19 2013-10-16 株式会社松風 歯科用接着剤の保管容器
AU2011278055B2 (en) 2010-07-16 2015-04-02 Mcgill Technology Limited Dispensing apparatus
SG192132A1 (en) * 2011-02-18 2013-08-30 Kewpie Corp Package discharge member, method for manufacturing package discharge member, package and packaged food product
EP2620384B1 (fr) * 2012-01-27 2017-01-04 Poly-clip System GmbH & Co. KG Combinaison d'emballage
US9555928B2 (en) * 2011-10-17 2017-01-31 Sulzer Mixpac Ag Cartridge and multicomponent cartridge
US9238544B2 (en) 2011-11-22 2016-01-19 3M Innovative Properties Company Article and method for sealing a collapsible container
USD716143S1 (en) 2011-11-22 2014-10-28 3M Innovative Properties Company End cap for a container
US9597706B2 (en) * 2013-03-15 2017-03-21 Rooftop Research, Llc Container and substance dispensing system
CN108993837B (zh) * 2018-09-12 2020-07-24 宁波耀升工具实业有限公司 一种防止漏胶的热熔胶枪
EP3835232A1 (fr) * 2019-12-13 2021-06-16 Hilti Aktiengesellschaft Cartouche et procédé de fabrication d'une cartouche
US20210299695A1 (en) * 2020-03-31 2021-09-30 Inno-Cons Thailand Co., Ltd. Self-puncture nozzle for caulking

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Publication number Priority date Publication date Assignee Title
US2477875A (en) * 1946-06-04 1949-08-02 Arthur R Hutchason Dispensing container for collapsible tube with axially movable, rotatively actuated,follower-type extruder
AT192782B (de) * 1955-11-24 1957-11-11 Italo Mirri Schraubverschluß für Flaschen od. dgl.
US3815787A (en) * 1973-01-05 1974-06-11 H Spies Dispensing device
DE3500625A1 (de) * 1984-01-11 1985-08-29 Knieriem, Günter, Dipl.-Ing. (FH), 6802 Ladenburg Schlauchbeutel-packung
GB8531402D0 (en) * 1985-12-20 1986-02-05 Chemence Ltd Container
DE8706659U1 (fr) * 1987-05-08 1987-08-20 Fa. Karl Wolpers, 3200 Hildesheim, De
DE3739459A1 (de) * 1987-10-07 1989-04-27 Knieriem Guenther Dipl Ing Fh Schlauchbeutel-packung
GB2213532B (en) * 1987-12-10 1992-01-29 Shane Robert Mcgill Dispensing apparatus
IE902575A1 (en) * 1989-07-20 1991-02-27 Mcgill Shane Robert Dispensing apparatus for frozen product
DE9017322U1 (fr) * 1990-12-21 1992-04-16 Thera Patent Gmbh & Co Kg Gesellschaft Fuer Industrielle Schutzrechte, 8031 Seefeld, De
DE9103038U1 (fr) * 1991-03-13 1992-07-16 Thera Patent Gmbh & Co Kg Gesellschaft Fuer Industrielle Schutzrechte, 8031 Seefeld, De
US5322122A (en) * 1991-10-24 1994-06-21 Mobil Oil Company Simultaneous acid fracturing using acids with different densities
DE9200521U1 (fr) * 1991-11-12 1993-03-25 Thera Patent Gmbh & Co Kg Gesellschaft Fuer Industrielle Schutzrechte, 8031 Seefeld, De
DE9304584U1 (fr) * 1993-03-26 1993-05-27 Mauser-Werke Gmbh, 5040 Bruehl, De
DE9400524U1 (de) * 1994-01-13 1995-05-18 Thera Ges Fuer Patente Vorrichtung zum Entleeren eines Schlauchbeutels

Also Published As

Publication number Publication date
JP3504757B2 (ja) 2004-03-08
AU8173494A (en) 1995-07-20
HU9500028D0 (en) 1995-03-28
JPH07257644A (ja) 1995-10-09
US5653360A (en) 1997-08-05
DE9400524U1 (de) 1995-05-18
EP0663348A1 (fr) 1995-07-19
PL176188B1 (pl) 1999-04-30
DE59406132C5 (de) 2007-03-08
FI950125A (fi) 1995-07-14
CA2139446C (fr) 2005-06-28
BR9500057A (pt) 1995-10-17
CZ7095A3 (en) 1995-08-16
PL306757A1 (en) 1995-07-24
CZ288023B6 (cs) 2001-04-11
NO950117D0 (no) 1995-01-12
ZA9572B (en) 1995-09-06
DE59406132D1 (de) 1998-07-09
DK0663348T3 (da) 1998-10-12
ES2119056T3 (es) 1998-10-01
HU213490B (en) 1997-07-28
HUT69757A (en) 1995-09-28
NO950117L (no) 1995-07-14
FI950125A0 (fi) 1995-01-11
CA2139446A1 (fr) 1995-07-14
US5501368A (en) 1996-03-26
AU683109B2 (en) 1997-10-30
ATE166848T1 (de) 1998-06-15

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