EP2768620B1 - Cartouche et cartouche à plusieurs composants - Google Patents

Cartouche et cartouche à plusieurs composants Download PDF

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Publication number
EP2768620B1
EP2768620B1 EP12748479.8A EP12748479A EP2768620B1 EP 2768620 B1 EP2768620 B1 EP 2768620B1 EP 12748479 A EP12748479 A EP 12748479A EP 2768620 B1 EP2768620 B1 EP 2768620B1
Authority
EP
European Patent Office
Prior art keywords
cartridge
cartridges
accordance
designed
wall
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.)
Active
Application number
EP12748479.8A
Other languages
German (de)
English (en)
Other versions
EP2768620A1 (fr
Inventor
Josef Ettlin
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.)
Medmix Switzerland AG
Original Assignee
Sulzer Mixpac 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 Mixpac AG filed Critical Sulzer Mixpac AG
Priority to EP12748479.8A priority Critical patent/EP2768620B1/fr
Publication of EP2768620A1 publication Critical patent/EP2768620A1/fr
Application granted granted Critical
Publication of EP2768620B1 publication Critical patent/EP2768620B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20External fittings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand 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
    • B05C17/005Hand 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
    • B05C17/00553Hand 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40Static mixers
    • B01F25/42Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4314Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
    • B01F25/43141Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles composed of consecutive sections of helical formed elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50Movable or transportable mixing devices or plants
    • B01F33/501Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B01F33/50112Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the syringe or cartridge type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50Mixing receptacles
    • B01F35/52Receptacles with two or more compartments
    • B01F35/522Receptacles with two or more compartments comprising compartments keeping the materials to be mixed separated until the mixing is initiated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand 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
    • B05C17/005Hand 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
    • B05C17/00583Hand 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand 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
    • B05C17/005Hand 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
    • B05C17/01Hand 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, 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
    • B65D81/32Containers, 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
    • B65D81/325Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/0005Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/005Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston or movable bottom being pulled upwards to dispense the contents

Definitions

  • the invention relates to a cartridge and a multi-component cartridge.
  • the invention relates to a cartridge having at least one longitudinally extending receiving chamber for a medium to be discharged, and a multi-component cartridge using the same. See also US6158621 as state of the art.
  • cartridges are often used to store liquid flowable, often pasty or viscous to highly viscous substances and carry out as needed for the application. Examples of such substances are joint sealants, compounds for chemical dowels or chemical anchors, adhesives, pastes or molding compounds in the dental field.
  • these cartridges are made of plastic and are manufactured in an injection molding process.
  • one-component systems in which the material to be discharged consists of only one component
  • two-component or multi-component systems in which at least two different components are stored in separate chambers of the same cartridge or in separate cartridges, the components being discharged by means of a dynamic or a static mixing device are intimately mixed.
  • examples include two-component adhesive or chemical dowels that cure only after mixing the two components.
  • two-component systems are also used for paints that are often used to produce functional protective layers, eg for corrosion protection, can be used.
  • the cartridges comprise one (or more) axially displaceable delivery pistons, by the movement of which the material is discharged from the chamber or the chambers.
  • the chambers must have sufficiently thick walls in order to withstand the pressure arising during discharge can.
  • the cartridges must have sufficiently thick walls to be sufficiently diffusion-tight. This is particularly important with regard to storage, in order to effectively prevent the inward diffusion or outward diffusion of the chemical substances and thus a degradation of the cartridge contents. Since such plastic cartridges are usually designed for single use, resulting from both the volume and the mass of a considerable amount of waste, which is particularly disadvantageous from aspects of environmental protection.
  • hoses in which the respective materials are stored. These hoses are then placed in special support or discharge devices to discharge their contents for the particular application.
  • hoses are significantly cheaper than cartridges, especially as regards the volume of waste, they have other disadvantages. It requires significantly more complex filling devices to fill the hoses and seal.
  • their storage is more problematic because hoses are not stable, so special measures or packaging must be provided for storage. There may also be problems with the tightness of such hoses.
  • the mass of the residual volume in the hose, which can not be discharged is relatively high. Hoses also have the disadvantage that they are very sensitive to mechanical influences, especially against sharp edges or sharp corners.
  • the EP 0 721 805 A2 describes a two-piston mixing gun for mixing and dispensing a molding compound which is formed with a gun body, a receiving shaft for two filled with individual components of the molding compound cartridges and a subsequent to the receiving shaft static mixer with an outlet nozzle.
  • the cartridges consist of separate cardboard sleeves and are provided with a cover plate and a piston element.
  • the receiving shaft can be closed with a pressure-resistant and the cardboard sleeves flush comprehensive support housing. Between the static mixer and the cardboard sleeves, an insertable into the receiving shaft head piece is provided, which has separate and open to the cardboard sleeves flow channels that unite directly at the entrance to the static mixer.
  • the JP 7 256 178 A describes a carton cartridge and its use in connection with a hand-operated or air-driven discharge gun, in which a cylindrical cardboard element is connected to a metallic piston.
  • the cardboard element can be constructed in a multilayered manner and have an outlet nozzle at the front end.
  • the multiple layers of paperboard sleeve may be at least partially made of a sheet material.
  • the GB 1,118,419 A1 describes a cartridge for pistol-like dispensers.
  • the cartridge is formed by a completely collapsible tubular elements in the manner of a film and without head and base part.
  • the GB 1 029 489 A describes a cartridge and an extrusion sleeve for receiving them.
  • the cartridge is made of a thermoplastic material for forming a receiving chamber and is so thin-walled that it is easily compressible and does not have a tightly fitted shape.
  • the US 6,158,621 shows a cartridge with a head part which is designed as a solid part.
  • a film cartridge which is filled with a medium to be discharged, is permanently connected to the head part.
  • the head part and film cartridge can be placed in a separate container to discharge the medium to be discharged by means of a dispenser.
  • a cartridge is proposed with at least one longitudinally extending receiving chamber for a medium to be discharged, with a head part, a bottom part and a cartridge wall, which delimit the receiving chamber, wherein the head part an outlet for the medium having.
  • the cartridge wall is designed as a film, the head part and the bottom part in each case as a dimensionally stable part, and the head part is sealingly and permanently connected to the cartridge wall.
  • a further protective film is further provided at the end of the receiving chamber bounded by the head part, which closes the receiving chamber at this end in a sealing manner.
  • Due to the dimensionally stable head and bottom part cartridge according to the invention offers the advantages of a conventional cartridge with respect to their filling and storage, so they do not have to be filled in elaborate filling as this is usually required for hoses and can much easier, for example, stored upright become.
  • the design of the cartridge wall as a film means in comparison to conventional cartridges a very substantial reduction of waste and a reduction of the raw materials required for the production.
  • the design of the cartridge wall as a film brings a very high degree of flexibility with regard to the choice of material.
  • the film can be adapted to the specific cartridge content.
  • the film is also a very efficient diffusion barrier, so that no concessions to the shelf life or the maximum storage time are necessary despite the well-reduced wall thickness compared to today known. Even with longer storage times, the contents of the cartridge are effectively protected against the exudation or diffusion of substances or "outgassing".
  • the cartridge according to the invention is inserted in the discharge of its contents in a reusable support cartridge, so that the cartridge wall withstands the mechanical loads during discharge.
  • the cartridge contents is also protected against diffusion processes through the end face and the headboard.
  • the cartridge wall has a wall thickness of at most 0.3 mm, preferably of about 0.1 mm. The thinner the cartridge wall is designed, the lower the raw material requirements for the production of the cartridge and the amount of waste after emptying the cartridge
  • the film forming the cartridge wall is designed as a multilayer system.
  • the properties of the barrier film can be tailored to make it as efficient as possible with respect to the media in the receiving chamber.
  • a multilayer system is configured as a composite film.
  • the multilayer system may also include metallic layers.
  • connecting means are provided in the cartridge, by means of which the cartridge with a second cartridge is connectable.
  • These connecting means can be designed in particular as a latching or as a click or snap connection.
  • the connecting means are preferably arranged so that the two cartridges are connected side by side connectable side by side, so that their longitudinal directions and longitudinal axes parallel to each other.
  • the bottom part comprises a piston, which is insertable into the receiving chamber at the end facing away from the head part and can be displaced in a sealing manner along the cartridge wall in the longitudinal direction.
  • a piston in the receiving chamber for discharging the medium has the advantage that as a rule lower residual mass volumes remain in the cartridge, as a result of which the amount of waste is reduced.
  • chemical risks in the receiving chamber minimize the risks associated with chemistry.
  • the piston is preferably designed as a valve piston, so that a simple venting during insertion of the piston is possible
  • a further advantageous measure is that a dimensionally stable support ring is provided, which encloses the cartridge wall at the end of the receiving chamber intended for receiving the piston from the outside. This support ring is particularly advantageous in terms of storage, because it improves the seal between the cartridge wall and the piston.
  • a sealing closing cover sheet is provided on the bottom part.
  • the medium in the cartridge is then completely surrounded by foil, i. completely wrapped in foil.
  • the bottom part or the support ring is sealingly and permanently connected to the cartridge wall.
  • This connection can be realized, for example, by producing the bottom part or the support ring in an injection molding process in which the film forming the cartridge wall is partially encapsulated with a liquid plastic. Through this encapsulation, it is possible to easily melt or plasticize the film so that it then enters into an intimate, permanent connection with the bottom part or with the support ring during cooling and solidification of the plastic. In an analogous manner, the connection between the head part and the cartridge wall can be realized.
  • the head part and the bottom part and the optional support ring are each made in an injection molding and welded or glued or clamped in a subsequent processing step with the film forming the cartridge wall.
  • the invention further proposes a multi-component cartridge having at least two cartridges according to the invention, wherein the two cartridges are arranged side by side with respect to the longitudinal direction.
  • a multi-component cartridge having at least two cartridges according to the invention, wherein the two cartridges are arranged side by side with respect to the longitudinal direction.
  • the two cartridges are firmly coupled to each other via the connecting means, so that the multi-component cartridge forms a storable and dischargeable unit.
  • outlets of the cartridges form a common connecting piece or are configured for receiving a common connecting piece, wherein the connecting piece is designed to cooperate with an accessory, in particular with a closure or with a mixer.
  • the connecting piece is designed to cooperate with an accessory, in particular with a closure or with a mixer.
  • the multi-component cartridge has a closure which is designed to cooperate with the connector and has two plugs, each of which can engage in an outlet to this close.
  • the receiving chambers of the two cartridges may have different volumes, so that in particular mixing ratios between the two media contained in the receiving chambers of the cartridges can be realized, which differ from the ratio 1: 1.
  • Fig. 1 shows in a longitudinal section a first embodiment of a cartridge according to the invention, which is designated overall by the reference numeral 1.
  • the cartridge 1 comprises a longitudinally extending receiving chamber 2 for a medium to be discharged.
  • the longitudinal direction is defined by the longitudinal axis A of the cartridge 1.
  • the receiving chamber 2 is bounded by a cartridge wall 3, a head part 4, and a bottom part 6.
  • the bottom part 6 in this embodiment comprises a piston 8, which in Fig. 1 not yet inserted into the receiving chamber 2, but outside of this is shown.
  • the receiving chamber 2 of the cartridge 1 is cylindrical, that is, the cartridge wall 3 is the lateral surface of a cylinder.
  • the head part 4 of the cartridge 1 has an outlet 5 with an outlet channel 51 for the medium, through which the medium can be discharged from the receiving chamber 2.
  • the outlet 5 is formed here as a projecting tube to the head part 4.
  • the head part 4 with the outlet 5 is integrally injection-molded, that is it is entirely produced in a single, usually single-stage injection molding process.
  • the cartridge wall 3 is designed as a film 3 and the head part 4 and the bottom part 6 are each designed as a dimensionally stable part.
  • foil is meant a very thin sheet, which consists in particular of plastic, metal or a combination of plastic and metal. Most films are not dimensionally stable, that is, they can be bent, crumpled, folded or the like without much effort.
  • the head part 4 and the bottom part 6 are each designed as dimensionally stable parts, preferably plastic parts. By this is meant that these parts do not change their shape during normal use and are at most elastically deformable without considerable expenditure of force. Films are generally much thinner compared to the rigid parts.
  • the cartridge wall 3 which are at most 0.3 mm, in particular at most 0.2 mm and preferably about 0.1 mm thick. That is, the wall thickness D of the cartridge wall 3 is preferably at most 0.3 mm, and more preferably about 0.1 mm.
  • today known injection-molded plastic cartridges usually have a wall thickness of at least 1.5 to 3 mm
  • the design of the bottom part 6 as a dimensionally stable part also has the advantage that the cartridge 1 is capable of standing, that is, it can be stored upright on the bottom part 6 standing.
  • the head part 4 is sealingly and non-releasably connected to the foil 3 forming the cartridge wall.
  • This connection can be realized, for example-as will be explained further below-in the injection molding process for the head part 4, in that the film 3 is partially encapsulated with the liquid plastic, which forms the head part 4 after its solidification.
  • a protective film 7 is provided which seals the receiving chamber 2 at this end. Since the receiving chamber 2 is designed cylindrical, the protective film 7 is designed circular and closes or seals the receiving chamber 2 at its the head part 4 facing end face. In particular, the protective film 7 also prevents the medium from getting out of the receiving chamber 2 into the outlet channel 51.
  • the cartridge 1 may further comprise connecting means 10, by means of which the cartridge 1 with a second cartridge 1 is connectable.
  • the connecting means 10 are provided adjacent to the outlet 5 on the head part 4 of the cartridge 1.
  • the connecting means 10 are preferably configured in a manner known per se as a click or as a snap connection or as a latching connection and arranged so that two cartridges 1 are arranged side by side with parallel longitudinal axes A next to one another (see, for example, FIG. Fig. 3 ).
  • connecting means can, of course, also be arranged along the cartridge wall 3 or on the bottom part 6.
  • a piston 8 is provided in the first embodiment, which is preferably designed as a valve piston, and which at the head part 4 facing away from the open end of the cartridge 1 in the receiving chamber 2 can be inserted.
  • the piston 8 is designed and dimensioned such that it can be displaced sealingly in the longitudinal direction along the cartridge wall 3.
  • the piston 8 may be configured in a manner known per se with sealing lips or sealing edges, not shown, which bear against the cartridge wall 3 when the piston 8 is inserted into the receiving chamber 2.
  • the piston 8 is produced separately from the cartridge 1, for example, in an injection molding and usually used only after filling the receiving chamber 2.
  • a solid support ring 11 is further provided which surrounds the cartridge wall 3 from the outside in full.
  • the support ring 11 has an axial height H which substantially corresponds to the axial height of the piston 8.
  • the support ring 11 is sealingly and permanently connected to the cartridge wall 3. This can be done in the same way as described above for the head part 4, namely by partial encapsulation of the cartridge wall 3 forming film 3 in an injection molding process, or by a separate bonding or welding of the support ring 11 and the film. 3
  • the cartridge wall 3 designed as a foil 3 also serves as a barrier or as a diffusion barrier, which prevents the inward diffusion or outward diffusion of substances. These substances may be, for example, chemical constituents of the medium contained in the receiving chamber 2 or atmospheric moisture or oxygen.
  • the film 3 thus allows a particularly long shelf life of the filled with a medium cartridge 1. Because the Slide 3 acts as a barrier layer or diffusion barrier, it is possible to design the cartridge wall 3 only as a film 3 and thus with a thickness D, which is significantly lower than in known cartridges.
  • the greatly reduced thickness D of the cartridge wall 3 compared to known cartridges has the advantageous effect that significantly less raw material is required for the production of the cartridge 1 and that the amount of waste of the cartridge 1, which is usually designed for single use, is as large as the volume also significantly reduced on the weight.
  • the second advantageous effect of the cartridge wall 3 designed as a foil is that the foil 3 reduces the friction between the piston 8 and the cartridge wall 3 in comparison with known cartridges.
  • the piston 8 is moved in the direction of the longitudinal axis A in order to convey the medium through the outlet channel 51.
  • the film 3 allows easier sliding of the piston. 8
  • the protective film 7 and the cover film 9 have the advantage that with them the entire receiving space 2 of the cartridge 1 is surrounded by a barrier layer or a diffusion barrier, that is, the medium in the receiving chamber 2 is completely covered by the films 3, 7, 9 surrounded or enclosed by these, which is advantageous in terms of a particularly good shelf life.
  • the foils 3, 7, 9 may - but need not - be configured identically in terms of their thickness D and their composition. For practical reasons, it is preferred if the films 3, 7, 9 each have a thickness of at most 0.2 mm, and preferably of approximately 0.1 mm.
  • Each of the foils 3, 7, 9 can be optimally adapted to the respective application.
  • the films 3,7,9 can be designed so that they have optimum shelf life and ensure optimum protection of the cartridge contents and the head part 4.
  • the film 3 forming the cartridge wall 3 is designed as a multilayer system, that is to say it is formed, for example, from a plurality of superimposed films or layers.
  • These different layers of the film 3 can have different functions.
  • PA polyamide
  • PBT polybutylene terephthalate
  • a barrier layer which prevents the escape or entry of substances such as water, oxygen or VOC (volatile organic compounds).
  • the z. B. consists of recyclate.
  • layers of a polyolefin such as PE or PP may be provided or metallic layers.
  • foamed films as a layer.
  • the protective film 7 and the end foil 9 can be configured in the same way.
  • the cartridge according to the invention can be produced in particular in an injection molding process.
  • a tool is used which includes cores and cavities into which the liquid plastic is injected.
  • the core moves into a correspondingly shaped counterpart.
  • a cavity which is a negative image of the part to be produced.
  • the liquid plastic is injected and solidifies there.
  • the tool is opened, the molded part demolded and ejected.
  • the foil 3 can be applied to the lateral surface of that core which forms the side of the head part 4 facing the receiving chamber or the inner surface of the support ring 11.
  • the film 3 After closing the tool, the film 3 is partially encapsulated with the liquid plastic. In this case, the film 3 melts slightly due to the contact with the liquid plastic or is plasticized. This results in a particularly intimate and permanent connection between the cartridge wall 3 and the head part 4 b between the support ring 11.
  • a circular disk-shaped film is placed on the end face of the core, which forms the side of the head part 4 facing the receiving chamber 2, before the injection molding, which then forms the protective film 7 in the finished cartridge.
  • the circular disk-shaped film is preferably dimensioned so that it projects beyond the edge of the end face of the core. Then, when the liquid plastic is injected after the closing of the tool, it bends the part of the circular disc-shaped film, which protrudes beyond the edge of the end face of the core. As a result, the circular disk-shaped film 7 is intimately connected to the film 3, so that in the finished cartridge 1 a tight and firm connection between the cartridge wall 3 and the protective film 7 is made.
  • the bottom part 6 and the support ring 11 of the cartridge 1 are all known per se, used for cartridges Plastics such as polyamides (PA), polypropylene (PP), polyethylene (PE), polybutylene terephthalate (PBT), or polyolefins in general.
  • Plastics such as polyamides (PA), polypropylene (PP), polyethylene (PE), polybutylene terephthalate (PBT), or polyolefins in general.
  • the cartridge 1 is first produced without the piston 8 by injection molding and is then closed by the protective film 7 - and optionally other closure means at its outlet 5. From the still open in accordance with the bottom end of the receiving chamber 2, the medium is then filled into the receiving chamber 2. Subsequently, the piston 8, which is optionally provided with the end foil 9, inserted into the receiving chamber 2, and then forms the bottom of the chamber, which closes the receiving chamber 2 sealing. Frequently, the piston 8 is designed as a valve piston, so that when inserting the piston 8, the possibly present between the medium and the piston air is easily dissipated.
  • Fig. 2 shows in a longitudinal section a second embodiment of a cartridge 1 according to the invention.
  • first embodiment shows in a longitudinal section a second embodiment of a cartridge 1 according to the invention.
  • second embodiment shows in a longitudinal section a second embodiment of a cartridge 1 according to the invention.
  • the explanations made in connection with the first embodiment apply mutatis mutandis to the same for the second embodiment.
  • identical or functionally equivalent parts are provided with the same reference numerals.
  • the dimensionally stable bottom part 6 is permanently connected and sealingly connected to the cartridge wall 3.
  • the one-piece bottom part 6 has two of the outer shape in each case substantially cylindrical portions, namely an upper portion 62 which engages in the receiving chamber 2 and thus represents the bottom boundary of the receiving chamber 2, and a base portion 61 which no longer of the designed as a foil cartridge wall 3 is encompassed. Consequently, the cartridge wall 3 extends with respect to the longitudinal direction to an edge 612, at which the upper region 62 and the base region 61 adjoin one another.
  • this cartridge 1 is also capable of standing on the base area 61 of the fixed base part 6.
  • the bottom part 6 is also here preferably an injection-molded plastic part, wherein the relevant explanations of the first embodiment apply to the materials.
  • the second embodiment is designed as a collapsible cartridge 1, that is, when discharging the medium from the receiving chamber, the cartridge 1 is collapsed or collapsed with respect to the longitudinal direction. This will be explained later.
  • the dimensionally stable head part 4 is arranged in this second embodiment partially inwardly with respect to the cylindrical cartridge wall 3, that is, the film forming the cartridge wall 3 is located on the outside of the head part 4 and is sealingly and permanently connected to the head part.
  • cartridge wall 3 is enclosed on both sides, ie from the inside and outside of the head part 4.
  • the head part 4 has a collar 41, up to which the cartridge wall 3 extends.
  • the outlet 5 is designed as a substantially cylindrical opening in the head part 4. As will be explained later (see eg Fig. 4 ) serves the outlet 5 in the second embodiment for receiving an adapter 501 or 502 ( Fig. 4 ) designed to cooperate with an accessory, such as a closure or a mixer.
  • the explanations regarding the first exemplary embodiment apply analogously.
  • the foil forming the cartridge wall 3 can be partially back-injected with the liquid plastic.
  • the head part 4 may be configured partially inwardly with respect to the cartridge wall 3.
  • Fig. 3 shows a perspective view of a first embodiment of a multi-component cartridge according to the invention, which is generally designated by the reference numeral 100.
  • the multi-component cartridge comprises at least two cartridges 1, each of which is designed according to the invention.
  • Fig. 4 shows a perspective view of a second embodiment of a multi-component cartridge according to the invention, which is also generally designated by the reference numeral 100.
  • Fig. 5 the second embodiment of the multi-component cartridge 100 according to the invention is shown in a longitudinal section.
  • the first embodiment of the multicomponent cartridge 100 according to the invention comprises two cartridges 1, each of which is in accordance with the in Fig. 1 shown first embodiment of the cartridge 1 according to the invention is designed.
  • the second embodiment of the multi-component cartridge according to the invention 100 comprises two cartridges 1, each of which is in accordance with the in Fig. 2 shown second embodiment of the cartridge 1 according to the invention is designed.
  • the multicomponent cartridge 100 is a two-component cartridge comprising exactly two cartridges 1. It should be understood, however, that the invention is not limited to such cases, but that the multi-component cartridge may also comprise three or more cartridges.
  • the two cartridges 1 of the multicomponent cartridge 100 are arranged side by side side by side so that their longitudinal axes A (see Fig. 1 and Fig. 2 ) parallel to each other.
  • the two cartridges 1 of the first embodiment are preferably fixedly connected to each other via the connecting means 10.
  • the two head parts 4 and / or the two support rings 11 of the cartridges 1 are manufactured in a common injection molding and are then connected non-destructively releasable elements firmly together, so that the two-component cartridge with respect to the head parts 4 and / or Floor parts 6 is one piece.
  • a piston 8 is provided in each case, which is introduced after filling the respective receiving chamber 2 in this.
  • the two outlets 5 of the cartridges 1 are arranged and configured such that they form a common connecting piece 50, which comprises the two separate outlets 5, and which is designed to cooperate with an accessory.
  • Fig. 6 shows the connector 50 with the two outlets 5 in a larger view.
  • the two outlets 5 in common Connector it is not necessary, the two outlets 5 in common Connector to be provided with a closure 50, because the respective medium is protected in the receiving chambers 2 by the protective films 7 against diffusion processes and leakage.
  • additional closure means may be provided, for example, in the same way as in connection with Fig. 8 is described.
  • Fig. 7 shows the connector 50 and the outlets 5 with an accessory, namely with a mixer 70.
  • This is a static mixer 70 for mixing the two media, which are present in the respective receiving chambers 2 of the two cartridges 1.
  • the static mixer 70 comprises in a conventional manner a in Fig. 7 only indicated mixer tube 72 with mixing elements arranged therein (not shown).
  • the mixer 70 further comprises two inlets 71 and a coupling 73.
  • each of the separate inlets 71 engages in or via one of the outlet channels 51, so that the inlets 71 in each case with one of the outlets 5 a flow connection form and the respective medium from the respective receiving chamber 2 passes through the respective outlet 5 in the mixer 70.
  • the two media meet and are intimately mixed with each other as they pass through the mixer 70.
  • connection of the mixer 70 with the connector 50 via the coupling piece 73 are all known per se types of compounds, in particular screw, snap or bayonet connections.
  • a variant consists in that the inlets 71 of the mixer - or corresponding parts of another accessory - are designed at their ends cooperating with the outlets 5, for example with a bevelled edge 74 or a Mandrel that the inlets 71 pierce the film 7 when placing the mixer 70 or otherwise open.
  • FIG. 4 and Fig. 5 are the outlets 5 of the cartridges 1 for receiving a common connector 50 (in Fig. 5 not shown) configured.
  • the common connector 50 comprises - as shown in detail in FIG Fig. 4 shows - two adapters 501 and 502, each of which is designed to engage in one of the outlets 5 and this outlet 5 quasi extended.
  • the two adapters 501, 502 can be fixedly connected to one another via the connecting means 10 and then form the common connecting piece 50.
  • connecting means 10 are designed as latches, wherein in each case a rod-shaped latching element is provided on each of the adapters 501, 502, which engages in a recess on the respective other adapter 502, 501, as indicated by the two arrows without reference numerals.
  • a rod-shaped latching element is provided on each of the adapters 501, 502, which engages in a recess on the respective other adapter 502, 501, as indicated by the two arrows without reference numerals.
  • the connecting piece 50 On the side facing away from the outlets 5 of the cartridges 1 side, the connecting piece 50 is designed to cooperate with an accessory.
  • This accessory is in Fig. 4 a closure 60 (in Fig. 5 not shown)
  • Fig. 8 shows the connector 50 with the two outlets 5 in a larger view.
  • the shutter 60 is in operative connection with the connector 50, which comprises the two adapters 501 and 502, which engage in the outlets 5 of the cartridge 1.
  • the closure 60 has two plugs 61, each of which engages in one of the adapters 501, 502 and thus seals the outlets 5 in a sealing manner.
  • the shutter 60 may be configured to be connected to the connector 50 only by inserting the plugs 61 into the adapters 501, 502.
  • securing means be (not shown) to prevent inadvertent removal of the shutter 60, for example, predetermined breaking points, which are broken or broken before removing the closure by kinking, turning or similar measures.
  • the securing means can also be designed as latching or snap connections.
  • the closure 60 can be coupled to the connector 50 via a threaded or bayonet connection.
  • the two adapters 501, 502 have a directly molded closure element, which are opened or removed before use by means of peeling, cutting, breaking, rotating or similar measures
  • Fig. 9 shows the connector 50 and the adapter 501, 502 with another accessory, namely with a mixer 70.
  • This is a static mixer 70 for mixing the two media, which are present in the respective receiving chambers 2 of the two cartridges 1.
  • the static mixer 70 comprises in a conventional manner a in Fig. 9 only indicated mixer tube 72 with mixing elements arranged therein (not shown).
  • the mixer 70 further comprises two inlets 71 and a coupling piece 73.
  • each of the separate inlets 71 engages in or via one of the adapters 501, 502 so that the inlets 71 each with one of the outlets 5 a Form fluid connection and the respective medium from the respective receiving chamber 2 passes through the respective outlet 5 in the mixer 70.
  • the two media meet and are intimately mixed with each other as they pass through the mixer 70.
  • connection of the mixer 70 with the connector 50 via the coupling piece 73 are all known per se types of compounds, in particular screw, snap or bayonet connections.
  • Fig. 10 shows the view of a third embodiment of a multi-component cartridge 100 according to the invention.
  • first or second embodiment will be discussed in more detail.
  • the explanations that have been made with respect to the first and second embodiments apply mutatis mutandis to the same for the third embodiment.
  • the multi-component cartridge comprises two cartridges 1, wherein the receiving chambers 2 of the two cartridges 1 have different volumes.
  • Such multicomponent cartridges 100 are intended for those two-component systems in which the two components are to be mixed with one another in a volume ratio different from 1: 1.
  • the multicomponent cartridge 100 shown in the illustration has the left-hand cartridge 1, which is ten times as large as the right-hand cartridge 1 as shown.
  • other ratios can also be realized, for example 2: 1 or 4: 1.
  • connection means may be provided between the two cartridges 1, for example between the two support rings eleventh
  • multi-component cartridge according to the second embodiment can be configured in a similar manner for other mixing ratios than 1: 1.
  • the two-component or multi-component cartridge 100 is preferably composed of two individual cartridges 1.
  • the outlets 5 are - if necessary - closed with the shutter 60 or the protective films 7 close the outlets 5.
  • the respective media or components in the receiving chambers 2 filled.
  • the pistons 8 are designed as valve pistons or self-venting pistons, so that upon insertion of the pistons 8, the air present between the piston 8 and the medium can be removed.
  • the multicomponent cartridge 100 After the multicomponent cartridge 100 has been filled, it can be stored, with the cartridge wall 3 and the optionally provided protective or closure film 7 or 9 protecting the cartridge contents against outgassing or other diffusion-related influences.
  • the filling is preferably carried out from the head part 4 through the outlet 5 or the outlets 5, which are then subsequently closed, for example by means of the adapters 501, 502.
  • the collapsible cartridges are thus preferably filled from the head part 4 from.
  • the multi-component cartridge 100 For use of the multi-component cartridge 100, it is usually inserted into the holder of a dispensing device (dispenser) 200. Since the multi-component cartridge 100 is configured with thin cartridge walls 3 due to the film 3, a support cartridge 90 is preferably used for discharging so that the multi-component cartridge 100 can withstand the mechanical stress during discharge. Alternatively, the support function can also be integrated in the holder of the discharge device. The support cartridge 90 is designed for multiple use, it can be reused as often as desired. Like the arrow without reference in Fig.
  • the discharge device 200 comprises a double tappet 210, which can be advanced by means of an activator 220.
  • the double tappet 210 then exerts a force on the two pistons 8 in the receiving chambers 2 in the case of the first embodiment, whereby they move along the longitudinal axes A of the cartridges 1 and convey the respective medium through the respective outlet 5 into the static mixer 70.
  • the two media meet and are intimately mixed as they pass through the mixer.
  • the double plunger 210 exerts a force on the two pistons form-solid bottom parts 6, whereby they move along the longitudinal axes A of the cartridges 1 and thereby the cartridges 1 and the receiving chambers. 2 Collapse by pushing together.
  • the respective medium is conveyed through the respective outlet 5 into the static mixer 70.
  • FIG Fig. 13 illustrates where a multi-component cartridge according to the second embodiment is shown in the deflated state. It can be clearly seen how the cartridge walls 3 are each pushed together like an accordion between or above the dimensionally stable bottom part 6 and the fixed head part 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Package Specialized In Special Use (AREA)
  • Coating Apparatus (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Claims (13)

  1. Cartouche (1), comportant
    - au moins une chambre de réception (2) pour un fluide à distribuer, qui s'étend en direction longitudinale, et
    - une partie de tête (4), une partie de fond (6) et une paroi de cartouche (3) qui délimitent la chambre de réception (2),
    dans laquelle
    - la partie de tête (4) comprend une sortie (5) pour le fluide,
    - la paroi de cartouche (3) est conçue sous forme de film (3),
    - la partie de tête (4) et la partie de fond (6) sont conçues chacune en tant que partie solide en forme,
    - la partie de tête (4) est reliée de façon étanche et non détachable à la paroi de cartouche (3), et
    - à l'extrémité de la chambre de réception (2) délimitée par la partie de tête (4), il est prévu un film de protection (7) qui referme avec étanchéité la chambre de réception (2) à cette extrémité.
  2. Cartouche (1) selon la revendication 1,
    dans laquelle la paroi de cartouche (3) présente une épaisseur de paroi (D) de 0,3 mm au maximum, de préférence d'environ 0,1 mm.
  3. Cartouche (1) selon la revendication 1 ou 2,
    dans laquelle le film (3) formant la paroi de cartouche (3) est conçu sous forme de système multicouche.
  4. Cartouche (1) selon l'une des revendications précédentes,
    dans laquelle sont prévus des moyens de liaison (10) à l'aide desquels la cartouche (1) est susceptible d'être reliée à une seconde cartouche (1).
  5. Cartouche (1) selon l'une des revendications précédentes,
    dans laquelle la partie de fond (6) comprend un piston (8) qui peut être introduit dans la chambre de réception (2) à l'extrémité détournée de la partie de tête (4) et qui est déplaçable en direction longitudinale avec étanchéité le long de la paroi de cartouche (3).
  6. Cartouche (1) selon la revendication 5,
    dans laquelle il est prévu un anneau de support (11) solide en forme, qui entoure la paroi de cartouche (3) depuis l'extérieur à l'extrémité de la chambre de réception (2) destinée à recevoir le piston (8).
  7. Cartouche (1) selon l'une des revendications précédentes,
    dans laquelle il est prévu un film de fermeture (9) qui referme avec étanchéité la partie de fond (6).
  8. Cartouche (1) selon l'une des revendications précédentes,
    dans laquelle la partie de fond (6) ou l'anneau de support (11) est relié(e) avec étanchéité et de façon non détachable à la paroi de cartouche (3).
  9. Cartouche à composants multiples (100),
    comportant au moins deux cartouches (1),
    dans laquelle
    - chaque cartouche (1) est conçue selon l'une des revendications 1 à 8, et
    - les deux cartouches (1) sont agencées l'une à côté de l'autre par rapport à la direction longitudinale.
  10. Cartouche à composants multiples (100) selon la revendication 9, dans laquelle les deux cartouches (1) sont fermement couplées l'une à l'autre par les moyens de liaison (10).
  11. Cartouche à composants multiples (100) selon l'une des revendications 9 ou 10,
    - dans laquelle les sorties (5) des cartouches (1) forment une pièce de liaison commune (50) ou sont conçues pour recevoir une pièce de liaison commune (50),
    - dans laquelle la pièce de liaison (50) est conçue pour coopérer avec un accessoire, en particulier avec un obturateur (60) ou avec un mélangeur (70).
  12. Cartouche à composants multiples (100) selon la revendication 11, comportant un obturateur (60) qui est conçu pour coopérer avec la pièce de liaison (50) et qui comprend deux bouchons (61) dont chacun est capable de s'engager dans une sortie (5) pour la refermer.
  13. Cartouche à composants multiples (100) selon l'une des revendications 9 à 12,
    dans laquelle les chambres de réception (2) des deux cartouches (1) présentent des volumes différents.
EP12748479.8A 2011-10-17 2012-08-20 Cartouche et cartouche à plusieurs composants Active EP2768620B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12748479.8A EP2768620B1 (fr) 2011-10-17 2012-08-20 Cartouche et cartouche à plusieurs composants

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11185383 2011-10-17
EP12748479.8A EP2768620B1 (fr) 2011-10-17 2012-08-20 Cartouche et cartouche à plusieurs composants
PCT/EP2012/066192 WO2013056874A1 (fr) 2011-10-17 2012-08-20 Cartouche et cartouche à plusieurs composants

Publications (2)

Publication Number Publication Date
EP2768620A1 EP2768620A1 (fr) 2014-08-27
EP2768620B1 true EP2768620B1 (fr) 2018-01-17

Family

ID=46704664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12748479.8A Active EP2768620B1 (fr) 2011-10-17 2012-08-20 Cartouche et cartouche à plusieurs composants

Country Status (6)

Country Link
US (1) US9555928B2 (fr)
EP (1) EP2768620B1 (fr)
JP (1) JP6166729B2 (fr)
KR (1) KR101968608B1 (fr)
CN (1) CN103998149B (fr)
WO (1) WO2013056874A1 (fr)

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Also Published As

Publication number Publication date
KR101968608B1 (ko) 2019-04-12
US9555928B2 (en) 2017-01-31
EP2768620A1 (fr) 2014-08-27
JP2015501264A (ja) 2015-01-15
CN103998149A (zh) 2014-08-20
KR20140079411A (ko) 2014-06-26
CN103998149B (zh) 2017-03-29
US20140203023A1 (en) 2014-07-24
WO2013056874A1 (fr) 2013-04-25
JP6166729B2 (ja) 2017-07-19

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