EP1395371A1 - Dispositif d'ejection destine a une cartouche presentant deux chambres concentriques - Google Patents

Dispositif d'ejection destine a une cartouche presentant deux chambres concentriques

Info

Publication number
EP1395371A1
EP1395371A1 EP02735253A EP02735253A EP1395371A1 EP 1395371 A1 EP1395371 A1 EP 1395371A1 EP 02735253 A EP02735253 A EP 02735253A EP 02735253 A EP02735253 A EP 02735253A EP 1395371 A1 EP1395371 A1 EP 1395371A1
Authority
EP
European Patent Office
Prior art keywords
thread
cartridge
ejection device
plunger
ejection
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.)
Ceased
Application number
EP02735253A
Other languages
German (de)
English (en)
Inventor
Jürgen Grün
Amir Assadi
Clemens Schmidt
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.)
Fischerwerke GmbH and Co KG
Original Assignee
Fischerwerke Artur Fischer 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 Fischerwerke Artur Fischer GmbH and Co KG filed Critical Fischerwerke Artur Fischer GmbH and Co KG
Publication of EP1395371A1 publication Critical patent/EP1395371A1/fr
Ceased 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
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type
    • 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
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element
    • 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
    • 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
    • B65D83/0027—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container piston co-operating with a screw-thread in the side wall of the container

Definitions

  • the invention relates to an ejection device for a cartridge with two concentrically arranged and sealed by pistons chambers according to the
  • Threaded bore can be screwed in a threaded spindle provided with a wing-like handle, the end face of which strikes the piston closing the chamber and displaces it in the cartridge in the direction of the mouth.
  • squeezing pistols For emptying cartridges with two chambers arranged concentrically to one another and closed by pistons, squeezing pistols are known which have an squeezing plunger formed by pressure plates and push rods for each piston.
  • Such guns are relatively expensive and are therefore usually only used by the craftsman who regularly processes such cartridges. It is therefore customary to offer these cartridges as individual items without an ejection gun.
  • the cap On the back of the cartridge, the cap is axially locked and the piston is moved towards the cartridge mouth.
  • the annular piston of the outer chamber Via a pressure plate connected to the threaded spindle, on which several pressure rods are arranged, which are guided in bores of the cap placed on the back of the cartridge, the annular piston of the outer chamber is axially displaced in parallel with the inner piston during the feed movement of the threaded spindle.
  • at least three pressure rods are necessary, the front ends of which are connected to one another via an annular abutment opposite the pressure plate. The connection of the ends of the push rods with the abutment is only possible after the 'cap over the pressure rods and the inner Ausd Wegst Congressel is pushed. With that forms the
  • Cap with the ejection device a unit that requires a locking between the cap and the cartridge to be carried out by the user.
  • the known squeezing device consists of several parts to be coordinated, which on the one hand makes production more expensive and on the other hand can lead to functional problems.
  • the object of the invention is to create a push-out device which can be produced inexpensively and which offers a high level of functional reliability.
  • the ejection plunger is a one-piece part, preferably made of plastic by injection molding, with an inner die pressing on the piston of the inner chamber of the cartridge and a tubular outer die arranged concentrically to the inner die, which presses on the annular piston of the outer chamber.
  • the feed movement of the push-out plunger is achieved by means of a thread on the outer lateral surface of the outer die, which extends over the entire length of the outer die.
  • the external thread engages in the internal thread of a threaded ring, which is firmly inserted as an end piece on the rear end of the outer chamber of the cartridge, for example by latching or gluing.
  • the arrangement of the thread on the outer surface of the outer punch results in the largest possible diameter of the thread, which enables both a high pressing-out pressure with a low screw-in torque and a tilt-free guidance of the pressing-out plunger.
  • the end faces of the inner and outer punches each form an annular support which the pistons move in the direction of the cartridge opening when the ejection tappet is screwed in.
  • the ejection device according to the invention consists of the one-piece ejection plunger and the threaded ring, which can also be produced from plastic by injection molding and which is preferably already factory-fitted into the outer chamber of the cartridge is used.
  • the squeezing device is inexpensive to manufacture, since it consists of only two parts and no assembly is required.
  • the threaded ring has at least two threads.
  • the push-out plunger To screw in the push-out plunger by hand, it has a wing-like rotary handle at its rear end.
  • an internal hexagon can be arranged in addition to the turning handle for receiving a corresponding tool.
  • Figure 1 is a perspective view of the cartridge with ejection device
  • Figure 2 shows the cartridge with ejection device in longitudinal section
  • Figure 3 shows the threaded ring in section.
  • the cartridge 1 shown in FIGS. 1 and 2 is a two-component cartridge which has two concentrically arranged chambers 2, 3 for each of the two components.
  • the inner chamber 2 is formed by an inner tube 4 and the outer, annular chamber 3 by an outer tube 5.
  • the outlet openings of both chambers end in a cartridge mouth 6, on the in
  • Figure 1 is a static mixer 7 and in Figure 2 a cap 8 is placed. Both chambers 2, 3 are closed with pistons 9, 10, the piston 10 for the outer chamber 3 being annular.
  • the volumes of the chambers 2, 3 correspond to the mixing ratio of the two components contained in the chambers. To one To achieve uniform mixing of the components, it is therefore necessary to move the two pistons evenly in the direction of the cartridge mouth 6.
  • the push-out plunger 11 engages with a thread 12 in a threaded ring 13 which is inserted at the rear end of the outer tube 5 of the cartridge 1.
  • the threaded ring 13 shown in detail in FIG. 3 has an internal thread 14 corresponding to the thread 12 of the push-out plunger 11.
  • the threaded ring 13 has at least two complete threads, which are preferably designed as trapezoidal threads.
  • the push-out plunger 11 has an inner stamp 16 seated on the piston 9 of the inner chamber 2 and an outer stamp 17 seated on the annular piston 10 of the outer chamber 3. Both stamps are tubular and arranged concentrically to one another.
  • a wing-like rotary handle 19 is arranged, which enables the push-out plunger 11 to be screwed in by hand.
  • a hexagon socket 20 is arranged in the center of the rotary handle 19, which enables the inclusion of a corresponding tool for mechanical screwing.
  • the push-out plunger 11 is produced from plastic as an integral part in the injection molding process.
  • the thread 12 is formed by a plurality of thread strips 21 running in the longitudinal direction. In order to prevent tilting when screwing in, at least three threaded strips 21 are required. In the exemplary embodiment, four threaded strips are provided.
  • the pistons 9, 10 are either at one level or, as in the exemplary embodiment, slightly offset from one another.
  • the end faces of the inner and outer punches 16, 17 are also offset from one another by the same distance, so that both pistons are axially displaced in parallel with one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Coating Apparatus (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un dispositif d'éjection destiné à une cartouche (1) et comportant deux chambres (2, 3) concentriques et fermées par des pistons (9, 10). Ce dispositif d'éjection présente un poinçon d'éjection (11) doté d'un filet (12), qui se déplace axialement par vissage dans un embout pourvu d'un filet interne (14) et situé à l'extrémité arrière de la cartouche (1). L'invention vise à permettre de simplifier la conception du dispositif d'éjection et de faciliter sa manipulation. A cet effet, le poinçon d'éjection (11) présente une matrice interne (16) exerçant une pression sur le piston (9) de la chambre interne (2) et une matrice externe (17) placée de manière concentrique par rapport à la matrice interne (16) et exerçant une pression sur le piston annulaire (10) de la chambre externe (3). La surface externe de la matrice externe (17) est pourvue sur toute sa longueur d'un filet (12). De plus, l'embout présentant un filet interne (14) est conçu sous forme d'anneau fileté (13). Cette conception permet de produire un poinçon d'éjection (11) d'une seule pièce en matière plastique dans un procédé de moulage par injection.
EP02735253A 2001-06-13 2002-04-13 Dispositif d'ejection destine a une cartouche presentant deux chambres concentriques Ceased EP1395371A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10128611 2001-06-13
DE10128611A DE10128611A1 (de) 2001-06-13 2001-06-13 Ausdrückvorrichtung für eine zwei konzentrisch zueinander angeordnete Kammern aufweisende Kartusche
PCT/EP2002/004139 WO2002100556A1 (fr) 2001-06-13 2002-04-13 Dispositif d'ejection destine a une cartouche presentant deux chambres concentriques

Publications (1)

Publication Number Publication Date
EP1395371A1 true EP1395371A1 (fr) 2004-03-10

Family

ID=7688114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02735253A Ceased EP1395371A1 (fr) 2001-06-13 2002-04-13 Dispositif d'ejection destine a une cartouche presentant deux chambres concentriques

Country Status (11)

Country Link
US (1) US20040216591A1 (fr)
EP (1) EP1395371A1 (fr)
JP (1) JP2004532123A (fr)
CN (1) CN1516625A (fr)
CZ (1) CZ20033177A3 (fr)
DE (1) DE10128611A1 (fr)
HU (1) HUP0400186A2 (fr)
NO (1) NO20035590D0 (fr)
PL (1) PL367160A1 (fr)
RU (1) RU2268093C2 (fr)
WO (1) WO2002100556A1 (fr)

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US20070250013A1 (en) * 2006-03-31 2007-10-25 Brennan Robert C Self-contained single dose dual fluid dispenser
CA2652813A1 (fr) * 2006-05-22 2007-12-06 Orthovita, Inc. Delivrance de compositions de plusieurs composants
US8096449B2 (en) * 2006-07-17 2012-01-17 Medmix Systems Ag Dispensing appliance for a multiple cartridge
WO2008135714A1 (fr) * 2007-05-03 2008-11-13 Stephen Walker Dispositif de distribution et son procédé d'utilisation
EP2213382B1 (fr) * 2007-10-26 2015-05-06 Olexandr Punchenko Dispositif destiné à l'application de produits pâteux
EP2227150A1 (fr) 2008-01-11 2010-09-15 Medmix Systems AG Dispositif distributeur pour cartouche multiple
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CA2688103A1 (fr) * 2009-02-13 2010-08-13 Sulzer Mixpac Ag Cartouche multielements jetable
AU2010262042A1 (en) * 2009-06-16 2012-01-19 Sulzer Mixpac Ag Multicomponent cartridge for single use
GB0918585D0 (en) 2009-10-22 2009-12-09 Cox Ltd Plunger
CN102574139A (zh) * 2009-11-04 2012-07-11 格瑞克明尼苏达有限公司 一体式阀杆润滑筒
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DE102010019223B4 (de) 2010-05-04 2012-02-16 Heraeus Medical Gmbh Kartuschensystem mit Druckgaspatrone
DE102010019222B4 (de) 2010-05-04 2013-11-07 Heraeus Medical Gmbh Austragsvorrichtung für Kartuschen
DE102010019217B4 (de) * 2010-05-04 2014-01-16 Heraeus Medical Gmbh Kartuschensystem
DE102010019224B3 (de) 2010-05-04 2011-10-13 Heraeus Medical Gmbh Austragsvorrichtung für pastöse Massen
EP2468414B1 (fr) 2010-12-23 2015-12-23 P C Cox Limited Distributeur pneumatique
EP2468417A1 (fr) 2010-12-23 2012-06-27 P C Cox Limited Actionneur pour distributeur à cartouche
PT2468419E (pt) 2010-12-23 2015-05-13 Cox Ltd Aplicador pneumático bidirecional
EP2468418B1 (fr) 2010-12-23 2013-06-19 P C Cox Limited Valve et distributeur utilisant la valve
EP2468415A1 (fr) * 2010-12-24 2012-06-27 Sika Technology AG Dispositif de dosage et de mélange pour matières à plusieurs composants
DE202011002558U1 (de) * 2011-02-09 2012-03-01 Werner Holzmann Mischspender für zwei oder mehr Komponenten
US20150284166A1 (en) * 2012-10-30 2015-10-08 Zachary L. Green Applicator assemblies and methods for dispensation of composition comprising phosphorescent material
US20140197171A1 (en) * 2013-01-17 2014-07-17 Michael Taylor Dispensing Container with Elevating Platform
DE102013103552A1 (de) * 2013-04-09 2014-10-09 Ivoclar Vivadent Ag Spritze
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Also Published As

Publication number Publication date
PL367160A1 (en) 2005-02-21
WO2002100556A1 (fr) 2002-12-19
CZ20033177A3 (cs) 2004-04-14
DE10128611A1 (de) 2002-12-19
RU2268093C2 (ru) 2006-01-20
CN1516625A (zh) 2004-07-28
HUP0400186A2 (en) 2004-06-28
US20040216591A1 (en) 2004-11-04
NO20035590D0 (no) 2003-12-15
JP2004532123A (ja) 2004-10-21

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