EP1140371A1 - Dispositif d'ejection pour une cartouche - Google Patents

Dispositif d'ejection pour une cartouche

Info

Publication number
EP1140371A1
EP1140371A1 EP99964671A EP99964671A EP1140371A1 EP 1140371 A1 EP1140371 A1 EP 1140371A1 EP 99964671 A EP99964671 A EP 99964671A EP 99964671 A EP99964671 A EP 99964671A EP 1140371 A1 EP1140371 A1 EP 1140371A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
cap
piston
bore
ejection device
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
EP99964671A
Other languages
German (de)
English (en)
Other versions
EP1140371B1 (fr
Inventor
Eugen Prestele
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.)
Sulzer Chemtech AG
Original Assignee
Sulzer Chemtech AG
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 Sulzer Chemtech AG filed Critical Sulzer Chemtech AG
Publication of EP1140371A1 publication Critical patent/EP1140371A1/fr
Application granted granted Critical
Publication of EP1140371B1 publication Critical patent/EP1140371B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B05C17/0116—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 characterised by the piston driving means
    • B05C17/0133—Nut and bolt advancing mechanism, e.g. threaded piston rods
    • 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
    • B05C17/00553—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 means allowing the stock of material to consist of at least two different components
    • 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
    • B05C17/00553—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 means allowing the stock of material to consist of at least two different components
    • B05C17/00559—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 means allowing the stock of material to consist of at least two different components the different components being stored in coaxial chambers
    • 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
    • B05C17/00576—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • 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
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0011—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container moved by a screw-shaft

Definitions

  • the innovation relates to an ejection device for a cartridge according to the preamble of claim 1.
  • cartridges that contain two components that are located in concentrically arranged chambers.
  • the chambers are closed on the back by a piston, the piston being annular for the outer chamber.
  • cartridges of this type can also be emptied with the aid of an ejection plunger, which is sleeve-shaped with a central rod.
  • the sleeve wall comes into contact with the annular piston, while the central rod comes into contact with the piston of the inner chamber.
  • the central rod and the sleeve wall are connected to each other by a floor. The contents of the cartridge can be emptied by placing the bottom on a surface and pressing the cartridge into the ejection plunger.
  • This push-out device which only requires a push-out ram, is relatively inexpensive, but extremely difficult to handle.
  • the object is to design the ejection device for a cartridge containing at least two components in such a way that a simple emptying option is ensured, in particular that the mixer placed on the cartridge can be placed during emptying where the material of the cartridge is to be applied.
  • Figure 1 is a side view of the cartridge with ejection device.
  • Fig. 2 is a view in the direction of arrows II-II;
  • FIG. 3 shows a section along the line III-III in Fig. 1.
  • FIG. 4 shows a section along the line IN-IN in Fig. 3.
  • Fig. 5 is a plan view of the annular piston used in the cartridge.
  • FIG. 6 shows a section along the line VI-VI in FIG. 5th
  • the cartridge shown in FIGS. 1 and 4 is a two-component cartridge with an inner chamber 1 and an outer chamber 2 concentric therewith. Both chambers 1, 2 open into a cartridge outlet opening 3.
  • the chamber 1 is closed on the back by a piston 4 of circular cross-section, while the chamber 2 is closed by an annular piston 5.
  • the volumes of the chambers 1, 2 correspond to the mixing ratio of the two components contained in the chambers 1, 2. This means that the ejection device has to move the pistons 4, 5 by the same amount in the direction of the outlet opening 3.
  • the ejection device has a cap 6, which is connected to the back of the cartridge via bayonet catches 7.
  • the bayonet locks 7 serve as an axial lock for the cap 6, which is thus immovably connected to the rear of the cartridge in the axial direction.
  • the axial securing of the cap 6 on the back of the cartridge can also be done by a thread engagement between the cap and the cartridge.
  • the cap 6 has a central threaded bore 8, the thread of which is in engagement with the thread of a threaded spindle 9.
  • the threaded spindle 9 has a cylindrical extension 10 which bears against the piston 4 as a bearing.
  • the part of the threaded spindle 9 projecting from the cap 6 is rotatably mounted in a head plate 11 and ends in a wing-like handle 12 projecting beyond the head plate 11.
  • three pressure rods 13 are provided, which are arranged at a radial distance from the spindle 9, offset from one another by 120 °. These push rods 13 run from the top plate 11 parallel to the threaded spindle 9 in the direction of the cap 6 and are guided through holes 14 through this cap into the interior of the cartridge. On the cartridge-side ends of the push rods 13, an annular abutment 16 is placed over bores 15, which abuts against the annular piston 5.
  • Figures 1 and 4 show the starting position of the ejection device when the cartridge is filled and to be emptied.
  • the threaded spindle 9 is rotated via the handle 12, which screwed into the interior of the cartridge via the thread of the threaded bore 8. Due to the abutment 10 resting on the back of the piston 4, this piston 4 is displaced in the direction of the cartridge outlet opening 3. Since the axial movement of the threaded spindle 9 is also carried out by the head plate 11, the push rods 13 are also moved in the direction of the cartridge synchronously with the threaded spindle 9. Their abutment 16 thus moves the piston 5 synchronously with the piston 4.
  • the threaded bore 8 is arranged in a sleeve 17 which projects beyond the plane of the cap 6.
  • Support ribs 18 run from the edge of the cap 6 to the sleeve 7.
  • the bore supporting the cylindrical projection 19 of the threaded spindle 9 is also arranged in a sleeve 20, to which 11 support ribs 21 extend from the edge of the head plate.
  • the threaded spindle 9 is supported with a shoulder 22 on the outside of the sleeve 20.
  • pistons 4 and 5 are resistant to the outgassing of such substances.
  • the pistons are therefore, as illustrated in Figures 5 and 6, made of polyamide. However, since this material is too hard to form sealing lips, they are made of low-density polyethylene.
  • the actual piston 4 or 5 is first injection molded from polyamide. In a subsequent second operation, the sealing lips 23 are molded from LDPE.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

L'invention concerne un dispositif d'éjection pour une cartouche présentant deux chambres (1, 2), placées de manière concentrique l'une par rapport à l'autre, et un piston (4, 5) pour chaque chambre (1, 2). Ce dispositif d'éjection présente des poussoirs d'éjection qui peuvent coulisser en direction de l'ouverture de cartouche (3). Ces poussoirs d'éjection sont guidés à travers un capuchon (6) pouvant être bloqué dans le sens axial avec la cartouche. Les poussoirs d'éjection pour le piston annulaire (5) sont raccordés entre eux au niveau de leurs extrémités extérieures par l'intermédiaire d'un élément de tête (11) sur lequel prend appui une broche filetée (9) s'étendant à travers un orifice fileté (8) du capuchon (6) et servant de poussoir d'éjection pour le piston central (4).
EP99964671A 1998-12-30 1999-12-23 Dispositif d'ejection pour une cartouche Expired - Lifetime EP1140371B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29823237U DE29823237U1 (de) 1998-12-30 1998-12-30 Ausdrückvorrichtung für eine Kartusche
DE29823237U 1998-12-30
PCT/EP1999/010360 WO2000040341A1 (fr) 1998-12-30 1999-12-23 Dispositif d'ejection pour une cartouche

Publications (2)

Publication Number Publication Date
EP1140371A1 true EP1140371A1 (fr) 2001-10-10
EP1140371B1 EP1140371B1 (fr) 2002-07-17

Family

ID=8067314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99964671A Expired - Lifetime EP1140371B1 (fr) 1998-12-30 1999-12-23 Dispositif d'ejection pour une cartouche

Country Status (4)

Country Link
US (1) US6520381B1 (fr)
EP (1) EP1140371B1 (fr)
DE (2) DE29823237U1 (fr)
WO (1) WO2000040341A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0024734D0 (en) * 2000-10-10 2000-11-22 Briggs Darren Fluent material applicator
DE10128611A1 (de) 2001-06-13 2002-12-19 Fischer Artur Werke Gmbh Ausdrückvorrichtung für eine zwei konzentrisch zueinander angeordnete Kammern aufweisende Kartusche
ITRM20020260A1 (it) * 2002-05-10 2003-11-10 Giacomo Mealli Dispositivo per la miscelazione istantanea di prodotti bicomponenti.
US20070250013A1 (en) * 2006-03-31 2007-10-25 Brennan Robert C Self-contained single dose dual fluid dispenser
EP2015702A2 (fr) * 2006-05-11 2009-01-21 Dentsply International Inc. Système d'administration d'aérosol pour distribuer des compositions dentaires
USRE46143E1 (en) * 2006-09-08 2016-09-13 A.C. Dispensing Equipment, Inc. Cartridge based fluid dispensing apparatus
CH698343A2 (de) * 2008-01-11 2009-07-15 Medmix Systems Ag Austragsvorrichtung mit dreheinrichtung.
SE535983C2 (sv) * 2010-04-20 2013-03-19 Noviscens Ab Spruta
ES2533064T3 (es) 2010-07-16 2015-04-07 Mcgill Technology Limited Aparato dispensador
US9358715B2 (en) 2012-04-13 2016-06-07 Kyphon SÀRL Mixer gun system and method
EP3183066A1 (fr) * 2014-08-19 2017-06-28 Medmix Systems AG Distributeur rotatif pour cartouche à différents compartiments
US9856065B1 (en) * 2016-07-28 2018-01-02 Samy Asaad Dual condiment simultaneous dispenser

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE548210A (fr) * 1955-01-14
US3952920A (en) * 1974-12-30 1976-04-27 Bridgeport Chemical Corporation Dispenser for multi-component products
DE3005008A1 (de) * 1980-02-11 1981-09-10 ESPE Fabrik pharmazeutischer Präparate GmbH, 8031 Seefeld Mehrfachtube
FR2501080A1 (fr) * 1981-03-03 1982-09-10 Guillot Claude Dispositif pour l'application d'un melange d'au moins deux composants liquides ou pateux
US5104005A (en) * 1988-11-10 1992-04-14 Albion Engineering Company Dual component mechanically operated caulking gun
US5207357A (en) * 1992-02-13 1993-05-04 Quikpoint, Inc. Epoxy ejection gun
US5566860A (en) * 1994-09-08 1996-10-22 Liquid Control Corporation Dual component cartridge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0040341A1 *

Also Published As

Publication number Publication date
DE59902084D1 (de) 2002-08-22
WO2000040341A1 (fr) 2000-07-13
DE29823237U1 (de) 1999-02-25
US6520381B1 (en) 2003-02-18
EP1140371B1 (fr) 2002-07-17

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