EP2163490B1 - Cassette for multi-component masses - Google Patents

Cassette for multi-component masses Download PDF

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Publication number
EP2163490B1
EP2163490B1 EP09167925A EP09167925A EP2163490B1 EP 2163490 B1 EP2163490 B1 EP 2163490B1 EP 09167925 A EP09167925 A EP 09167925A EP 09167925 A EP09167925 A EP 09167925A EP 2163490 B1 EP2163490 B1 EP 2163490B1
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EP
European Patent Office
Prior art keywords
receiving body
receiving member
receiving
cassette
cartridge according
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EP09167925A
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German (de)
French (fr)
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EP2163490A1 (en
Inventor
Andreas Schell
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Hilti AG
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Hilti AG
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    • 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

Definitions

  • the invention relates to a cassette for multicomponent masses having a first receiving body, which has a receiving space for at least one component of the multicomponent mass, and having at least one further receiving body arranged parallel to the first receiving body, the receiving space for at least one further component of the multicomponent mass wherein the receiving space of the first receiving body is larger than the receiving space of the at least one further receiving body.
  • the components of a multicomponent mass such.
  • a multi-component mortar, sealant, foam or adhesive are stored separately from each other until the application of the mass.
  • the components are usually applied via a mixing element, in which the components are mixed to the ready-to-use mass.
  • the components of the multicomponent mass are provided to the user in the appropriate relationship to each other.
  • the ratio between the two components can vary from 1: 1 to 10: 1. Since the receiving body of the cassette are preferably all the same, the ratio of the components of the multicomponent mass is ensured by appropriate ratios of the cross sections of the receiving spaces of the receiving body to each other. Essential for the quality and thus for the safety of use of multicomponent mass is their mixing in the correct ratio of the components to each other.
  • cartridges For storage and for insertion into a receptacle of a press-out device of the multicomponent mass, cartridges are known which have a cassette in whose receiving chambers the components of the multicomponent mass are arranged in the corresponding relationship to one another.
  • the arrangement of the receiving body of a generic cassette to each other is also referred to as a "side-by-side" - arrangement.
  • a cassette having the features of the preamble of claim 1 is known from DE-U-297 06 235 known.
  • a generic cassette can be made available to the user as a single part or be part of a Auspress réelles.
  • the components are inserted or inserted into the receiving spaces of the cassette for dispensing the multicomponent mass.
  • the film package comprises two film bags for each one component of the multicomponent mass, which are fixed to a head part with a discharge opening and are each surrounded by a hollow cylindrical receiving body of the cassette.
  • the component in the first receiving body tends to run after it. This means that the required mixing ratio of the component is not guaranteed and thus the desired chemical reaction no longer takes place in the required or in a significantly disturbed stoichiometry.
  • a disadvantage of the known solution is that the components can be dispensed only with a specially trained on this embodiment of the cassette ejection device or trained extrusion.
  • the object of the invention is to provide a cassette for multicomponent masses, which allows over the entire Auspressvorgang a uniform mixing ratio of the components and with conventional Auspresstechnikn with z. B. is two piston rods ausbringbar.
  • the first receiving body is designed with respect to the at least one further receiving body such that it has a lower elasticity than the at least one further receiving body at least in a direction transverse to its longitudinal extension.
  • the first receiving body is stiffer or has a higher rigidity than the at least one further receiving body, with the result that, compared with the at least one further receiving body, it is less transverse in one direction, ie. H. radially or vertically, to its longitudinal extent, which corresponds to the direction of pressurization by the Auspressstoff the squeezing unit can expand.
  • the follow-up volume is throttled from the first receiving body, whereby the mixing ratio in the wake of the components no longer shifts or only after a long time in the direction of only one component.
  • the first receiving body is formed such that the tracking behavior of the ejected from the first receiving body component corresponds to the discharged from the at least one other receiving body component.
  • At least one, extending in the longitudinal extent of the receiving body material weakening is provided on the wall of the at least one further receiving body.
  • the material weakening ensures that the first receiving body has a lower elasticity than the at least one further receiving body, since the at least one further receiving body deforms under pressure more easily in the radial direction to the longitudinal axis of the at least one further receiving body.
  • the material weakening preferably comprises a plurality of axial grooves arranged on the inner wall of the at least one further receiving body and open to the receiving space of the at least one further receiving body.
  • the axial grooves can be easily formed in the at least one further receiving body and ensure advantageous deformability in the radial direction of the at least one other receiving body under pressure.
  • the plurality of axial grooves are provided uniformly distributed along the inner circumference of the receiving space of the at least one further receiving body, which ensures a particularly advantageous deformability in the radial direction of the at least one other receiving body under pressure.
  • the wall thickness of the first receiving body is greater than the wall thickness of the at least one further receiving body, with which the first receiving body has a lower elasticity than the at least one further receiving body and the cassette is easy to produce.
  • the first receiving body and the at least one further receiving body made of different materials.
  • the materials are selected from one or more groups of substances, e.g. B. selected from the group of plastics or metals, so that the at least two receiving body have corresponding elasticity properties.
  • the receiving body of the cartridge are made in a spray / casting process of plastics.
  • a polypropylene (PP) is used for the first receiving body with the larger receiving space
  • a polyethylene (PE) is used for the at least one further receiving body with the smaller receiving space.
  • the entire cassette may also be made of a material, such as polyamide (PA), wherein the material variation of the receiving body, for example by means of the use of aromatic or non-aromatic polyamides.
  • PA polyamide
  • at least one of the receiving body with reinforcements such.
  • a metal mesh or glass fibers be provided in order to achieve the desired elastic properties of the receiving body to each other ..
  • the receiving body made of metals or metal hybrids, wherein the receiving body correspondingly have different elastic properties.
  • the first receiving body made of a metal and the at least one further receiving body made of a plastic.
  • the receiving bodies are connectable to each other or are connected together in the manufacture of the cassette.
  • the material of the first receiving body has a higher modulus of elasticity than the material of the at least one further receiving body, with which the first receiving body has a lower elasticity than the at least one further receiving body and the cassette is easy to produce.
  • protruding reinforcing elements are provided on the first receiving body from the outside thereof, whereby the first receiving body has a lower elasticity than the at least one further receiving body and the cassette is easy to produce.
  • the reinforcing elements preferably comprise ribs which can be easily formed with the first receiving body, in particular in a casting process or an injection / casting process.
  • the reinforcing elements are provided along the entire longitudinal extent of the first receiving body.
  • the reinforcing elements extend over the entire longitudinal extent of the first receiving body.
  • a plurality of reinforcing elements are advantageously arranged uniformly distributed on the outside of the first receiving body.
  • the reinforcing elements are provided transversely to the longitudinal extent of the first receiving body, radially encircling.
  • the reinforcing elements extend over the entire circumference of the first receiving body.
  • a plurality of reinforcing elements spaced from each other over the longitudinal extent of the first receiving body advantageously distributed evenly arranged on the outside thereof.
  • film bundles 11 comprises for a two-component mass, a cassette 21 and two film bags 12 and 17, which are fixed to a head portion 14 with an outlet 15 for the packaged in the film bag 12 and 17 components 13 and 18 of the bicomponent mass.
  • the foil bags 12 and 17 are inserted into the cassette 21 before the start of the squeezing operation for dispensing the components 13 and 18.
  • the cassette 21 may also be provided as a separate part to the user or may be part of a squeezing device for dispensing the components 13 and 18 of the multi-component mass.
  • the cassette 21 has a first hollow cylindrical receiving body 22, which has a receiving space 23 with a substantially circular cross section for a resin as component 13 of the multicomponent mass, and a further, second hollow cylindrical receiving body 27, which has a receiving space 28 with a substantially circular Cross section for a hardener as component 18 of the multi-component mass.
  • the second receiving body 27 is arranged parallel to the first receiving body 22 and has the same longitudinal extent L1 as the first receiving body 22.
  • the first receiving body 22 has a wall thickness W1, which substantially corresponds to the wall thickness W2 of the second receiving body 27.
  • the components 13 and 18 have a ratio of 3: 1.
  • the receiving space 23 of the first receiving body 22 is larger than the receiving space 28 of the further receiving body 27.
  • the cross-sectional area of the receiving space 23 is three times the cross-sectional area of the receiving space 28 of the second receiving body 27th
  • the film bags 12 and 17 are matched to the cassette 21, so that the foil bags 12 and 17 in the inserted state have only a small annular gap to the inner wall 24 and 30 of the corresponding receiving space 23 and 27 of the cassette 21.
  • the first receiving body 22 is connected via connecting webs 25 to the second receiving body 27 to the one-piece cassette 21.
  • the cassette 21 is made of a plastic in an injection / casting process.
  • the first receiving body 22 is formed with respect to the second receiving body 27 such that it has a lower elasticity than the second receiving body 27.
  • the material weakenings are formed as arranged on the inner wall 30 of the second receiving body 27 Axialnuten 29 which are open to its receiving space 28.
  • this also has a first receiving body 32 with a receiving space 33 and a second receiving body 37 with a receiving space 38.
  • the first receiving body 32 has a wall thickness W3, which in this example is twice as large as the wall thickness W4 of the further receiving body 37. By this measure, the first receiving body 32 has a lower elasticity than the second receiving body 37.
  • FIG. 4 shows a third embodiment of a cartridge 41 for multi-component masses, which has a first receiving body 42 having a receiving space 33 and a second receiving body 47 having a receiving space 48.
  • the cassette 41 is made in this example of polyamide (PA), wherein only the first receiving body 42 is reinforced with glass fibers. As a result of this measure, the first receiving body 42 has a lower elasticity than the second receiving body 47.
  • PA polyamide
  • FIGS. 5 and 6 shows a fourth embodiment of a cassette 51 for multi-component masses, which has a first receiving body 52 having a receiving space 53 and a second receiving body 57 having a receiving space 58. From the outside 54 of the first receiving body 52 protrude a plurality of ribs formed as reinforcing elements 55 and 56 from.
  • the reinforcing elements 55 extend over the entire longitudinal extension L2 of the first receiving body 52.
  • the reinforcing elements 56 extend transversely to the longitudinal extent L2 of the first receiving body 52, radially encircling around its entire circumference.
  • the height H1 of the reinforcing elements 55 over the outer side 54 of the first receiving body 52 in this example corresponds to the height H2 of the reinforcing elements 56 over the outer side 54 of the first receiving body 52. Further, in this example, all the reinforcing elements 55 and all the reinforcing elements 56 in cross-section substantially each formed the same, which ensures a uniform stiffening of the first receiving body 52.

Abstract

The cartridge (21) has a hollow-cylindrical receiving member (22) comprising a receiving space for a component of a multi-component mass, and other hollow-cylindrical receiving member (27) arranged in parallel to the former receiving member and having a receiving space for another component of the multi-component mass. The former receiving space is larger than the latter receiving space. The former receiving member has low elasticity in a direction transverse to a longitudinal extent (L1) than the latter receiving member.

Description

Die Erfindung betrifft eine Kassette für mehrkomponentige Massen mit einem ersten Aufnahmekörper, der einen Aufnahmeraum für zumindest eine Komponente der mehrkomponentigen Masse aufweist, und mit zumindest einem weiteren, parallel zu dem ersten Aufnahmekörper angeordneten Aufnahmekörper, der einen Aufnahmeraum für zumindest eine weitere Komponente der mehrkomponentigen Masse aufweist, wobei der Aufnahmeraum des ersten Aufnahmekörpers grösser als der Aufnahmeraum des zumindest einen weiteren Aufnahmekörpers ist.The invention relates to a cassette for multicomponent masses having a first receiving body, which has a receiving space for at least one component of the multicomponent mass, and having at least one further receiving body arranged parallel to the first receiving body, the receiving space for at least one further component of the multicomponent mass wherein the receiving space of the first receiving body is larger than the receiving space of the at least one further receiving body.

Die Komponenten einer mehrkomponentigen Masse, wie z. B. eine mehrkomponentige Mörtel-, Dicht-, Schaum- oder Klebemasse, werden bis zu der Applikation der Masse getrennt voneinander gelagert. Mit einer geeigneten Auspresseinrichtung werden die Komponenten üblicherweise über ein Mischelement ausgebracht, in welchem die Komponenten zur gebrauchsfertigen Masse durchmischt werden. Die Komponenten der mehrkomponentigen Masse werden dem Anwender im entsprechenden Verhältnis zueinander zur Verfügung gestellt. Bei einer zweikomponentigen Masse kann das Verhältnis zwischen den beiden Komponenten von 1:1 bis 10:1 variieren. Da die Aufnahmekörper der Kassette vorzugsweise alle gleich ausgebildet sind, wird das Verhältnis der Komponenten der mehrkomponentigen Masse durch entsprechende Verhältnisse der Querschnitte der Aufnahmeräume der Aufnahmekörper zueinander sichergestellt. Wesentlich für die Qualität und somit für die Anwendungssicherheit der mehrkomponentigen Masse ist deren Durchmischung im richtigen Verhältnis der Komponenten zueinander.The components of a multicomponent mass, such. As a multi-component mortar, sealant, foam or adhesive, are stored separately from each other until the application of the mass. With a suitable squeezing device, the components are usually applied via a mixing element, in which the components are mixed to the ready-to-use mass. The components of the multicomponent mass are provided to the user in the appropriate relationship to each other. For a two-part mass, the ratio between the two components can vary from 1: 1 to 10: 1. Since the receiving body of the cassette are preferably all the same, the ratio of the components of the multicomponent mass is ensured by appropriate ratios of the cross sections of the receiving spaces of the receiving body to each other. Essential for the quality and thus for the safety of use of multicomponent mass is their mixing in the correct ratio of the components to each other.

Zur Aufbewahrung und zum Einlegen in eine Aufnahme einer Auspresseinrichtung der mehrkomponentigen Masse sind Kartuschen bekannt, die eine Kassette aufweisen, in deren Aufnahmeräumen die Komponenten der mehrkomponentigen Masse in dem entsprechenden Verhältnis zueinander angeordnet sind.For storage and for insertion into a receptacle of a press-out device of the multicomponent mass, cartridges are known which have a cassette in whose receiving chambers the components of the multicomponent mass are arranged in the corresponding relationship to one another.

Die Anordnung der Aufnahmekörper einer gattungsgemässen Kassette zueinander wird auch als "Side-by-Side"- Anordnung bezeichnet.The arrangement of the receiving body of a generic cassette to each other is also referred to as a "side-by-side" - arrangement.

Eine Kassette mit den Merkmalen des Oberbegriffs des Anspruchs 1 ist aus der DE-U-297 06 235 bekannt.A cassette having the features of the preamble of claim 1 is known from DE-U-297 06 235 known.

Um solche Kartuschen beziehungsweise Kassetten mehrmals verwenden zu können, ist es z. B. aus der DE 91 00 054 U1 bekannt, die Komponenten der mehrkomponentigen Masse in separaten Folien- oder Schlauchbeuteln zu verpacken. Mittels Druckbeaufschlagung auf die vorteilhaft vorgängig geöffneten Beutel, beispielsweise über Kolben als Auspressmittel eines Auspressgerätes, werden die Komponenten ausgebracht und dabei die Beutel fortlaufend zusammengefaltet, welche anschliessend separat entsorgt werden können. Um die auf die Beutel einwirkende Auspresskraft im Wesentlichen in Auspressrichtung zu richten, werden diese Beutel in der Kassette angeordnet.To use such cartridges or cassettes several times, it is z. B. from the DE 91 00 054 U1 It is known to pack the components of the multicomponent mass in separate film or tubular bags. By applying pressure to the advantageously previously opened bag, for example via pistons as a Auspressmittel a Auspressgerätes, the components are applied, while the bags folded continuously, which can then be disposed of separately. To direct the squeezing force on the bags substantially in the squeezing direction, these sacks are placed in the cassette.

Eine gattungsgemässe Kassette kann dem Anwender als einzelnes Teil zur Verfügung gestellt werden oder Bestandteil eines Auspressgeräts sein. Die Komponenten werden zum Ausbringen der mehrkomponentigen Masse in die Aufnahmeräume der Kassette eingelegt beziehungsweise in diese eingeschoben.A generic cassette can be made available to the user as a single part or be part of a Auspressgeräts. The components are inserted or inserted into the receiving spaces of the cassette for dispensing the multicomponent mass.

Weiter ist aus der WO 98/44860 A1 zur Aufbewahrung und zum Einlegen in eine Aufnahme einer Auspresseinrichtung der mehrkomponentigen Masse ein Foliengebinde mit einer Kassette bekannt. Das Foliengebinde umfasst zwei Folienbeutel für je eine Komponente der mehrkomponentigen Masse, die an einem Kopfteil mit einer Ausbringöffnung festgelegt und jeweils von einem hohlzylindrischen Aufnahmekörper der Kassette umgeben sind.Next is from the WO 98/44860 A1 for storage and for insertion into a receptacle of a squeezing device of the multicomponent mass a film container with a cassette known. The film package comprises two film bags for each one component of the multicomponent mass, which are fixed to a head part with a discharge opening and are each surrounded by a hollow cylindrical receiving body of the cassette.

Bei der Vorschubbewegung des Auspressmittels wird nicht die gesamte Kraft in das geförderte Volumen der Komponenten umgesetzt. Ein gewisser Anteil der Druckkraft wird aufgrund der Elastizitäten der Aufnahmekörper ausgelenkt. Nach Beendigung des Vorschubs entlastet sich die aufgebaute Spannung, was im ungünstigsten Fall zu einem Nachlaufen der geförderten Masse führt, bis das System drucklos oder die Fliessgrenze der Masse beziehungsweise deren Komponenten unterschritten ist.During the advancing movement of the expelling means, not all of the force is converted into the delivered volume of the components. A certain proportion of the pressure force is deflected due to the elasticities of the receiving body. After completion of the feed, the built-up voltage relieved, leading in the worst case to a running after the subsidized mass until the system is depressurized or the flow limit of the mass or its components is below.

Bei einer Kassette, bei welcher der Aufnahmeraum des ersten Aufnahmekörpers grösser als der Aufnahmeraum des zumindest einen weiteren Aufnahmekörpers ist, tendiert eher die Komponente im ersten Aufnahmekörper zum Nachlaufen. Dies führt dazu, dass das erforderliche Mischungsverhältnis der Komponente nicht gewährleistet ist und somit die angestrebte chemische Reaktion nicht mehr in der erforderlichen beziehungsweise in einer erheblich gestörten Stöchiometrie abläuft.In the case of a cassette in which the receiving space of the first receiving body is larger than the receiving space of the at least one further receiving body, the component in the first receiving body tends to run after it. This means that the required mixing ratio of the component is not guaranteed and thus the desired chemical reaction no longer takes place in the required or in a significantly disturbed stoichiometry.

Zur Vermeidung dieses Problems wird in der WO 89/05189 A1 vorgeschlagen, in einer Kassette jeweils eine Komponente der mehrkomponentigen Masse in einander gegenüberliegenden Aufnahmekörpern aufzuteilen. Eine derartige Kassette weist somit für eine zweikomponentige Masse mindestens vier parallel zueinander angeordnete Aufnahmekörper für beide Komponenten auf.To avoid this problem is in the WO 89/05189 A1 proposed, in each case one component of the multicomponent mass in each other in a cassette split up opposite receiving bodies. Such a cassette thus has for a two-component mass at least four mutually parallel receiving body for both components.

Nachteilig an der bekannten Lösung ist, dass die Komponenten nur mit einem speziell auf diese Ausgestaltung der Kassette ausgebildetes Auspressgerät beziehungsweise ausgebildeten Auspressmechanismus ausbringbar sind.A disadvantage of the known solution is that the components can be dispensed only with a specially trained on this embodiment of the cassette ejection device or trained extrusion.

Aufgabe der Erfindung ist es, eine Kassette für mehrkomponentige Massen zu schaffen, die über den gesamten Auspressvorgang ein gleichmässiges Mischungsverhältnis der Komponenten ermöglicht und mit herkömmlichen Auspressgeräten mit z. B. zwei Kolbenstangen ausbringbar ist.The object of the invention is to provide a cassette for multicomponent masses, which allows over the entire Auspressvorgang a uniform mixing ratio of the components and with conventional Auspressgeräten with z. B. is two piston rods ausbringbar.

Die Aufgabe ist durch die Merkmale des unabhängigen Anspruchs gelöst. Vorteilhafte Weiterbildungen sind in den Unteransprüchen dargelegt.The object is solved by the features of the independent claim. Advantageous developments are set forth in the subclaims.

Gemäss der Erfindung ist der erste Aufnahmekörper in Bezug auf den zumindest einen weiteren Aufnahmekörper derart ausgebildet, dass dieser zumindest in eine Richtung quer zu seiner Längserstreckung eine geringere Elastizität als der zumindest eine weitere Aufnahmekörper aufweist.According to the invention, the first receiving body is designed with respect to the at least one further receiving body such that it has a lower elasticity than the at least one further receiving body at least in a direction transverse to its longitudinal extension.

Der erste Aufnahmekörper ist dadurch steifer beziehungsweise weist eine höhere Steifigkeit als der zumindest eine weitere Aufnahmekörper auf, womit sich dieser im Vergleich zu dem zumindest einen weiteren Aufnahmekörper weniger in eine Richtung quer, d. h. radial beziehungsweise senkrecht, zu dessen Längserstreckung, welche der Richtung der Druckbeaufschlagung durch das Auspressmittel der Auspresseinheit entspricht, ausdehnen kann. Dabei wird das Nachlaufvolumen aus dem ersten Aufnahmekörper gedrosselt, womit das Mischverhältnis im Nachlauf der Komponenten sich nicht mehr oder erst nach längerer Zeit in Richtung nur einer Komponente verschiebt. Vorteilhaft wird der erste Aufnahmekörper derart ausgebildet, dass das Nachlaufverhalten der aus dem ersten Aufnahmekörper ausgebrachten Komponente der aus dem zumindest einen weiteren Aufnahmekörper ausgebrachten Komponente entspricht.As a result, the first receiving body is stiffer or has a higher rigidity than the at least one further receiving body, with the result that, compared with the at least one further receiving body, it is less transverse in one direction, ie. H. radially or vertically, to its longitudinal extent, which corresponds to the direction of pressurization by the Auspressmittel the squeezing unit can expand. In this case, the follow-up volume is throttled from the first receiving body, whereby the mixing ratio in the wake of the components no longer shifts or only after a long time in the direction of only one component. Advantageously, the first receiving body is formed such that the tracking behavior of the ejected from the first receiving body component corresponds to the discharged from the at least one other receiving body component.

Vorzugsweise ist zumindest eine, in Längserstreckung des Aufnahmekörpers verlaufende Materialschwächung an der Wandung des zumindest einen weiteren Aufnahmekörpers vorgesehen. Die Materialschwächung stellt sicher, dass der erste Aufnahmekörper eine geringere Elastizität als der zumindest eine weitere Aufnahmekörper aufweist, da sich der zumindest eine weitere Aufnahmekörper unter Druck leichter in radialer Richtung zu deren Längsachse des zumindest einen weiteren Aufnahmekörpers verformt.Preferably, at least one, extending in the longitudinal extent of the receiving body material weakening is provided on the wall of the at least one further receiving body. The material weakening ensures that the first receiving body has a lower elasticity than the at least one further receiving body, since the at least one further receiving body deforms under pressure more easily in the radial direction to the longitudinal axis of the at least one further receiving body.

Bevorzugt umfasst die Materialschwächung mehrere an der Innenwandung des zumindest einen weiteren Aufnahmekörpers angeordnete Axialnuten, die zum Aufnahmeraum des zumindest einen weiteren Aufnahmekörpers hin offen sind. Die Axialnuten lassen sich einfach in dem zumindest einen weiteren Aufnahmekörper ausbilden und gewährleisten eine vorteilhafte Verformbarkeit in radialer Richtung des zumindest einen weiteren Aufnahmekörpers unter Druck. Vorteilhaft sind die mehreren Axialnuten gleichmässig verteilt entlang des inneren Umfangs des Aufnahmeraums des zumindest einen weiteren Aufnahmekörpers vorgesehen, was eine besonders vorteilhafte Verformbarkeit in radialer Richtung des zumindest einen weiteren Aufnahmekörpers unter Druck sicherstellt.The material weakening preferably comprises a plurality of axial grooves arranged on the inner wall of the at least one further receiving body and open to the receiving space of the at least one further receiving body. The axial grooves can be easily formed in the at least one further receiving body and ensure advantageous deformability in the radial direction of the at least one other receiving body under pressure. Advantageously, the plurality of axial grooves are provided uniformly distributed along the inner circumference of the receiving space of the at least one further receiving body, which ensures a particularly advantageous deformability in the radial direction of the at least one other receiving body under pressure.

Vorzugsweise ist die Wandstärke des ersten Aufnahmekörpers grösser als die Wandstärke des zumindest einen weiteren Aufnahmekörpers, womit der erste Aufnahmekörper eine geringere Elastizität als der zumindest eine weitere Aufnahmekörper aufweist und die Kassette einfach herstellbar ist.Preferably, the wall thickness of the first receiving body is greater than the wall thickness of the at least one further receiving body, with which the first receiving body has a lower elasticity than the at least one further receiving body and the cassette is easy to produce.

Bevorzugt sind der erste Aufnahmekörper und der zumindest eine weitere Aufnahmekörper aus unterschiedlichen Materialen gefertigt. Die Materialien werden aus einer oder mehreren Stoffgruppen, z. B. aus der Gruppe der Kunststoffe oder Metalle, gewählt, so dass die zumindest zwei Aufnahmekörper entsprechende Elastizitätseigenschaften aufweisen. Beispielsweise sind die Aufnahmekörper der Kartusche in einem Spritz-/Gussverfahren aus Kunststoffen gefertigt. Für den ersten Aufnahmekörper mit dem grösseren Aufnahmeraum wird beispielsweise ein Polypropylen (PP) verwendet, wobei für den zumindest einen weiteren Aufnahmekörper mit dem kleineren Aufnahmeraum ein Polyethylen (PE) verwendet wird. Weiter kann die gesamte Kassette auch aus einem Material, wie beispielsweise aus Polyamid (PA) gefertigt sein, wobei die Materialvariation der Aufnahmekörper beispielsweise mittels der Verwendung von aromatischem oder nicht aromatischen Polyamiden erfolgt. Weiter kann zumindest einer der Aufnahmekörper mit Bewehrungen, wie z. B. einem Metallnetz oder Glasfasern, versehen sein, um die gewünschten Elastizitätseigenschaften der Aufnahmekörper zueinander zu erreichen..Preferably, the first receiving body and the at least one further receiving body made of different materials. The materials are selected from one or more groups of substances, e.g. B. selected from the group of plastics or metals, so that the at least two receiving body have corresponding elasticity properties. For example, the receiving body of the cartridge are made in a spray / casting process of plastics. For example, a polypropylene (PP) is used for the first receiving body with the larger receiving space, wherein a polyethylene (PE) is used for the at least one further receiving body with the smaller receiving space. Furthermore, the entire cassette may also be made of a material, such as polyamide (PA), wherein the material variation of the receiving body, for example by means of the use of aromatic or non-aromatic polyamides. Further, at least one of the receiving body with reinforcements, such. As a metal mesh or glass fibers, be provided in order to achieve the desired elastic properties of the receiving body to each other ..

In einer alternativen Ausführung werden beispielsweise die Aufnahmekörper aus Metallen oder aus Metallhybriden hergestellt, wobei die Aufnahmekörper entsprechend unterschiedliche Elastizitätseigenschaften aufweisen. In einer weiteren Ausführung ist beispielsweise der erste Aufnahmekörper aus einem Metall und der zumindest eine weitere Aufnahmekörper aus einem Kunststoff gefertigt. In allen der vorgenannten Ausführungsformen sind die Aufnahmekörper miteinander verbindbar oder werden bei der Herstellung der Kassette miteinander verbunden.In an alternative embodiment, for example, the receiving body made of metals or metal hybrids, wherein the receiving body correspondingly have different elastic properties. In a further embodiment, for example, the first receiving body made of a metal and the at least one further receiving body made of a plastic. In all of the aforementioned embodiments, the receiving bodies are connectable to each other or are connected together in the manufacture of the cassette.

Vorzugsweise weist das Material des ersten Aufnahmekörpers ein höheres E-Modul als das Material des zumindest einen weiteren Aufnahmekörpers auf, womit der erste Aufnahmekörper eine geringere Elastizität als der zumindest eine weitere Aufnahmekörper aufweist und die Kassette einfach herstellbar ist.Preferably, the material of the first receiving body has a higher modulus of elasticity than the material of the at least one further receiving body, with which the first receiving body has a lower elasticity than the at least one further receiving body and the cassette is easy to produce.

Bevorzugt sind an dem ersten Aufnahmekörper von dessen Aussenseite abragende Verstärkungselemente vorgesehen, womit der erste Aufnahmekörper eine geringere Elastizität als der zumindest eine weitere Aufnahmekörper aufweist und die Kassette einfach herstellbar ist.Preferably protruding reinforcing elements are provided on the first receiving body from the outside thereof, whereby the first receiving body has a lower elasticity than the at least one further receiving body and the cassette is easy to produce.

Vorzugsweise umfassen die Verstärkungselemente Rippen, welche insbesondere in einem Gussverfahren oder einem Spritz-/Gussverfahren einfach mit dem ersten Aufnahmekörper ausbildbar sind.The reinforcing elements preferably comprise ribs which can be easily formed with the first receiving body, in particular in a casting process or an injection / casting process.

Bevorzugt sind die Verstärkungselemente entlang der gesamten Längserstreckung des ersten Aufnahmekörpers vorgesehen. Vorteilhaft erstrecken sich die Verstärkungselemente über die gesamte Längserstreckung des ersten Aufnahmekörpers. Weiter vorteilhaft sind mehrere Verstärkungselemente umfänglich vorteilhaft gleichmässig verteilt an der Aussenseite des ersten Aufnahmekörpers angeordnet.Preferably, the reinforcing elements are provided along the entire longitudinal extent of the first receiving body. Advantageously, the reinforcing elements extend over the entire longitudinal extent of the first receiving body. Further advantageously, a plurality of reinforcing elements are advantageously arranged uniformly distributed on the outside of the first receiving body.

Vorzugsweise sind die Verstärkungselemente quer zur Längserstreckung des ersten Aufnahmekörpers, radial umlaufend vorgesehen. Vorteilhaft erstrecken sich die Verstärkungselemente über den gesamten Umfang des ersten Aufnahmekörpers. Weiter vorteilhaft sind mehrere Verstärkungselemente zueinander beabstandet über die Längserstreckung des ersten Aufnahmekörpers vorteilhaft gleichmässig verteilt an dessen Aussenseite angeordnet.Preferably, the reinforcing elements are provided transversely to the longitudinal extent of the first receiving body, radially encircling. Advantageously, the reinforcing elements extend over the entire circumference of the first receiving body. Advantageously, a plurality of reinforcing elements spaced from each other over the longitudinal extent of the first receiving body advantageously distributed evenly arranged on the outside thereof.

Die Erfindung wird nachstehend anhand von Ausführungsbeispielen näher erläutert. Es zeigen:

Fig. 1
Ein erstes Ausführungsbeispiel eines Foliengebindes mit Kassette im Grundriss;
Fig. 2
einen Schnitt entlang Linie II-II in Fig. 1 in vergrösserter Darstellung;
Fig. 3
einen Schnitt analog Fig. 2 eines zweiten Ausführungsbeispiels;
Fig. 4
einen Schnitt analog Fig. 2 eines dritten Ausführungsbeispiels;
Fig. 5
ein viertes Ausführungsbeispiel einer Kassette im Grundriss; und
Fig. 6
einen Schnitt entlang Linie VI-VI in Fig. 5 in vergrösserter Darstellung.
The invention will be explained in more detail below with reference to embodiments. Show it:
Fig. 1
A first embodiment of a film package with cassette in plan view;
Fig. 2
a section along line II-II in Fig. 1 in an enlarged view;
Fig. 3
a section analog Fig. 2 a second embodiment;
Fig. 4
a section analog Fig. 2 a third embodiment;
Fig. 5
a fourth embodiment of a cassette in plan view; and
Fig. 6
a section along line VI-VI in Fig. 5 in an enlarged view.

Grundsätzlich sind in den Figuren gleiche Teile mit den gleichen Bezugszeichen versehen.Basically, the same parts are provided with the same reference numerals in the figures.

Das in den Figuren 1 und 2 dargestellte Foliengebinde 11 umfasst für eine zweikomponentige Masse eine Kassette 21 und zwei Folienbeutel 12 und 17, die an einem Kopfteil 14 mit einem Auslassstutzen 15 für die in den Folienbeutel 12 und 17 verpackten Komponenten 13 und 18 der zweikomponentigen Masse festgelegt sind. Die Folienbeutel 12 und 17 werden vor Beginn des Auspressvorgangs zum Ausbringen der Komponenten 13 und 18 in die Kassette 21 eingeschoben.That in the Figures 1 and 2 shown film bundles 11 comprises for a two-component mass, a cassette 21 and two film bags 12 and 17, which are fixed to a head portion 14 with an outlet 15 for the packaged in the film bag 12 and 17 components 13 and 18 of the bicomponent mass. The foil bags 12 and 17 are inserted into the cassette 21 before the start of the squeezing operation for dispensing the components 13 and 18.

Die Kassette 21 kann auch als ein separates Teil dem Anwender zur Verfügung gestellt werden oder ein Bestandteil einer Auspressvorrichtung zum Ausbringen der Komponenten 13 und 18 der mehrkomponentigen Masse sein.The cassette 21 may also be provided as a separate part to the user or may be part of a squeezing device for dispensing the components 13 and 18 of the multi-component mass.

Die Kassette 21 weist einen ersten hohlzylindrischen Aufnahmekörper 22, der einen Aufnahmeraum 23 mit einem im Wesentlichen kreisrunden Querschnitt für ein Harz als Komponente 13 der mehrkomponentigen Masse aufweist, und einen weiteren, zweiten hohlzylindrischen Aufnahmekörper 27 auf, der einen Aufnahmeraum 28 mit einem im Wesentlichen kreisrunden Querschnitt für einen Härter als Komponente 18 der mehrkomponentigen Masse aufweist. Der zweite Aufnahmekörper 27 ist parallel zu dem ersten Aufnahmekörper 22 angeordnet und weist die gleiche Längserstreckung L1 wie der erste Aufnahmekörper 22 auf. Der erste Aufnahmekörper 22 weist eine Wandstärke W1 auf, die im Wesentlichen der Wandstärke W2 des zweiten Aufnahmekörpers 27 entspricht.The cassette 21 has a first hollow cylindrical receiving body 22, which has a receiving space 23 with a substantially circular cross section for a resin as component 13 of the multicomponent mass, and a further, second hollow cylindrical receiving body 27, which has a receiving space 28 with a substantially circular Cross section for a hardener as component 18 of the multi-component mass. The second receiving body 27 is arranged parallel to the first receiving body 22 and has the same longitudinal extent L1 as the first receiving body 22. The first receiving body 22 has a wall thickness W1, which substantially corresponds to the wall thickness W2 of the second receiving body 27.

Die Komponenten 13 und 18 weisen ein Verhältnis zueinander von 3: 1 auf. Der Aufnahmeraum 23 des ersten Aufnahmekörpers 22 ist grösser als der Aufnahmeraum 28 des weiteren Aufnahmekörpers 27. Entsprechend dem Verhältnis der Komponenten 13 und 18 zueinander entspricht die Querschnittsfläche des Aufnahmeraums 23 dem Dreifachen der Querschnittsfläche des Aufnahmeraums 28 des zweiten Aufnahmekörpers 27.The components 13 and 18 have a ratio of 3: 1. The receiving space 23 of the first receiving body 22 is larger than the receiving space 28 of the further receiving body 27. According to the ratio of the components 13 and 18 to each other, the cross-sectional area of the receiving space 23 is three times the cross-sectional area of the receiving space 28 of the second receiving body 27th

Die Folienbeutel 12 und 17 sind auf die Kassette 21 abgestimmt, so dass die Folienbeutel 12 und 17 im eingeschobenen Zustand nur einen geringen Ringspalt zu der Innenwandung 24 bzw. 30 des entsprechenden Aufnahmeraums 23 bzw. 27 der Kassette 21 aufweisen.The film bags 12 and 17 are matched to the cassette 21, so that the foil bags 12 and 17 in the inserted state have only a small annular gap to the inner wall 24 and 30 of the corresponding receiving space 23 and 27 of the cassette 21.

Der erste Aufnahmekörper 22 ist über Verbindungsstege 25 mit dem zweiten Aufnahmekörper 27 zur einteiligen Kassette 21 verbunden. Die Kassette 21 ist aus einem Kunststoff in einem Spritz-/Gussverfahren gefertigt.The first receiving body 22 is connected via connecting webs 25 to the second receiving body 27 to the one-piece cassette 21. The cassette 21 is made of a plastic in an injection / casting process.

Der erste Aufnahmekörper 22 ist in Bezug auf den zweiten Aufnahmekörper 27 derart ausgebildet, dass dieser eine geringere Elastizität als der zweite Aufnahmekörper 27 aufweist. Zu diesem Zweck sind mehrere, entlang der Längserstreckung des zweiten Aufnahmekörpers 27 verlaufende Materialschwächungen vorgesehen. Die Materialschwächungen sind als an der Innenwandung 30 des zweiten Aufnahmekörpers 27 angeordnete Axialnuten 29 ausgebildet, die zu dessen Aufnahmeraum 28 hin offen sind.The first receiving body 22 is formed with respect to the second receiving body 27 such that it has a lower elasticity than the second receiving body 27. For this purpose, several, along the longitudinal extent of the second receiving body 27 extending material weakenings are provided. The material weakenings are formed as arranged on the inner wall 30 of the second receiving body 27 Axialnuten 29 which are open to its receiving space 28.

In dem zweiten Ausführungsbeispiel einer Kassette 31 für mehrkomponentige Massen, wie sie in der Figur 3 dargestellt ist, weist diese ebenfalls einen ersten Aufnahmekörper 32 mit einem Aufnahmeraum 33 und einen zweiten Aufnahmekörper 37 mit einem Aufnahmeraum 38 auf. Der erste Aufnahmekörper 32 weist eine Wandstärke W3 auf, die in diesem Beispiel doppelt so gross wie die Wandstärke W4 des weiteren Aufnahmekörpers 37 ist. Durch diese Massnahme weist der erste Aufnahmekörper 32 eine geringere Elastizität als der zweite Aufnahmekörper 37 auf.In the second embodiment of a cassette 31 for multi-component masses, as shown in the FIG. 3 is shown, this also has a first receiving body 32 with a receiving space 33 and a second receiving body 37 with a receiving space 38. The first receiving body 32 has a wall thickness W3, which in this example is twice as large as the wall thickness W4 of the further receiving body 37. By this measure, the first receiving body 32 has a lower elasticity than the second receiving body 37.

Figur 4 zeigt ein drittes Ausführungsbeispiel einer Kassette 41 für mehrkomponentige Massen, die einen ersten Aufnahmekörper 42 mit einem Aufnahmeraum 33 und einen zweiten Aufnahmekörper 47 mit einem Aufnahmeraum 48 aufweist. Die Kassette 41 ist in diesem Beispiel aus Polyamid (PA) gefertigt, wobei nur der erste Aufnahmekörper 42 mit Glasfasern bewehrt ist. Durch diese Massnahme weist der erste Aufnahmekörper 42 eine geringere Elastizität als der zweite Aufnahmekörper 47 auf. FIG. 4 shows a third embodiment of a cartridge 41 for multi-component masses, which has a first receiving body 42 having a receiving space 33 and a second receiving body 47 having a receiving space 48. The cassette 41 is made in this example of polyamide (PA), wherein only the first receiving body 42 is reinforced with glass fibers. As a result of this measure, the first receiving body 42 has a lower elasticity than the second receiving body 47.

In den Figuren 5 und 6 ist ein viertes Ausführungsbeispiel einer Kassette 51 für mehrkomponentige Massen dargestellt, die einen ersten Aufnahmekörper 52 mit einem Aufnahmeraum 53 und einen zweiten Aufnahmekörper 57 mit einem Aufnahmeraum 58 aufweist. Von der Aussenseite 54 des ersten Aufnahmekörpers 52 ragen mehrere als Rippen ausgebildete Verstärkungselemente 55 und 56 ab. Die Verstärkungselemente 55 erstrecken sich über die gesamte Längserstreckung L2 des ersten Aufnahmekörpers 52. Die Verstärkungselemente 56 erstrecken sich quer zur Längserstreckung L2 des ersten Aufnahmekörpers 52, radial umlaufend um dessen gesamten Umfang. Die Höhe H1 der Verstärkungselemente 55 über der Aussenseite 54 des ersten Aufnahmekörpers 52 entspricht in diesem Beispiel der Höhe H2 der Verstärkungselemente 56 über der Aussenseite 54 des ersten Aufnahmekörpers 52. Des Weiteren sind in diesem Beispiel alle Verstärkungselemente 55 sowie alle Verstärkungselemente 56 im Querschnitt im Wesentlichen jeweils gleich ausgebildet, was eine gleichmässige Aussteifung des ersten Aufnahmekörpers 52 gewährleistet.In the FIGS. 5 and 6 shows a fourth embodiment of a cassette 51 for multi-component masses, which has a first receiving body 52 having a receiving space 53 and a second receiving body 57 having a receiving space 58. From the outside 54 of the first receiving body 52 protrude a plurality of ribs formed as reinforcing elements 55 and 56 from. The reinforcing elements 55 extend over the entire longitudinal extension L2 of the first receiving body 52. The reinforcing elements 56 extend transversely to the longitudinal extent L2 of the first receiving body 52, radially encircling around its entire circumference. The height H1 of the reinforcing elements 55 over the outer side 54 of the first receiving body 52 in this example corresponds to the height H2 of the reinforcing elements 56 over the outer side 54 of the first receiving body 52. Further, in this example, all the reinforcing elements 55 and all the reinforcing elements 56 in cross-section substantially each formed the same, which ensures a uniform stiffening of the first receiving body 52.

Die in den Ausführungsbeispielen einzeln dargelegten, verschiedenen Massnahmen, die zu einer geringeren Elastizität des ersten Aufnahmekörpers 22, 32, 42 oder 52 gegenüber dem zweiten Aufnahmekörper 27, 37, 47 oder 57 führen, können auch in einer Kassette kombiniert werden, um die Elastizität des ersten Aufnahmekörpers entsprechend anzupassen. Dabei können mehrere oder alle der dargelegten Massnahmen in einer Kassette umgesetzt werden.The individually set forth in the embodiments, various measures that lead to a lower elasticity of the first receiving body 22, 32, 42 or 52 relative to the second receiving body 27, 37, 47 or 57, can also be combined in a cassette to the elasticity of the Adjust first receiving body accordingly. Several or all of the described measures can be implemented in a cassette.

Claims (10)

  1. Cartridge for multi component masses having a first receiving member (22; 32; 42; 52) that has a receiving chamber (23; 33; 43; 53) for at least one component (13) of the multi component mass, and having at least one other receiving member (27; 37; 47; 57) that is arranged parallel to the first receiving member (22; 32; 42; 52) and has a receiving chamber (28; 38; 48; 58) for at least one other component (18) of the multi component mass, wherein the receiving chamber (23; 33; 43; 53) of the first receiving member (22; 32; 42; 52) is larger than the receiving chamber (28; 38; 48; 58) of the at least one other receiving member (27; 37; 47; 57) characterised in that the first receiving member (22; 32; 42; 52) is so formed relatively to the at least one other receiving member (27; 37; 47; 57) that it has a lower elasticity in at least one direction transversely to its longitudinal extent (L1; L2) than the at least one other receiving member (27, 37, 47, 57).
  2. Cartridge according to claim 1, characterised in that at least one material weakening is provided in the wall of the at least one other receiving member (27), the material weakening extending along the longitudinal extent (L1) of the receiving member (22)..
  3. Cartridge according to claim 2, characterised in that the material weakening comprises a plurality of axial grooves (29) in the inner wall (30) of the at least one other receiving member (27) which are open to the receiving chamber (28) of the at least one other receiving member (27).
  4. Cartridge according to one of claims 1 to 3, characterised in that the wall thickness (W3) of the first receiving member (32) is greater than the wall thickness (W4) of the at least one other receiving member (37).
  5. Cartridge according to one of claims 1 to 4, characterised in that the first receiving member (42) and the at least one other receiving member (47) are made of different materials.
  6. Cartridge according to claim 5, characterised in that the material of the first receiving member (42) has a greater modulus of elasticity than the material of the at least one other receiving member (47).
  7. Cartridge according to one of claims 1 to 6, characterised in that reinforcing elements (55, 56) are provided on the first receiving member (52) protruding from its outer surface (54).
  8. Cartridge according to claim 7, characterised in that the reinforcing elements (55, 56) comprise ribs.
  9. Cartridge according to claim 7 or 8, characterised in that the reinforcing elements (55) are provided along the entire longitudinal extent (L2) of the first receiving member (52).
  10. Cartridge according to one of claims 7 to 9, characterised in that the reinforcing elements (56) are provided radially circumferentially transversely to the longitudinal extent (L2) of the first receiving member (52).
EP09167925A 2008-09-11 2009-08-14 Cassette for multi-component masses Active EP2163490B1 (en)

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DE102008041984A DE102008041984A1 (en) 2008-09-11 2008-09-11 Cassette for multicomponent masses

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JP (1) JP5745756B2 (en)
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AT (1) ATE528230T1 (en)
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CN102152903A (en) * 2011-02-15 2011-08-17 上纬（上海）精细化工有限公司 Glued object and glue taking method thereof
EP2768619B1 (en) * 2011-10-17 2017-04-19 Sulzer Mixpac AG Multicomponent cartridge
CN103998148B (en) 2011-10-17 2019-12-31 苏舍米克斯帕克有限公司 Cartridge, method for manufacturing such a cartridge and multi-component cartridge
EP3181244A1 (en) * 2015-12-18 2017-06-21 HILTI Aktiengesellschaft Assembly consisting of a film package and a pressing device and film package
EP3263482B1 (en) 2016-07-01 2018-09-19 Sulzer Mixpac AG Cartridge, core, mold and method of manufacturing a cartridge
US11896993B2 (en) * 2020-07-24 2024-02-13 Albion Engineering Company Common head having an offset partition for use with multi-component dispensing tools and a tubular liner arranged for locating within the common head

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US3333743A (en) * 1966-01-11 1967-08-01 Meyers Frederick Charles Plastic container and valves for storing and dispensing pressurized products
US4691845A (en) * 1985-05-31 1987-09-08 Minnesota Mining And Manufacturing Company Dispensing container
US4890757A (en) * 1987-02-11 1990-01-02 Robbins Edward S Iii Ribbed container with closure
DE3725291A1 (en) * 1987-07-30 1989-02-09 Hilti Ag CARTRIDGE MAGAZINE FOR FLOWABLE MEASURES
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US5027963A (en) * 1988-12-22 1991-07-02 Robbins Edward S Iii Containers having one or more integral annular bands of increased thickness
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AUPR248700A0 (en) * 2000-12-22 2001-02-01 Selleys Pty Limited Dispensing apparatus
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JP4573557B2 (en) * 2004-04-01 2010-11-04 旭化成ケミカルズ株式会社 Case for two-component reactive adhesive

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JP2010064791A (en) 2010-03-25
DE102008041984A1 (en) 2010-03-18
CN101670913B (en) 2014-04-16
ATE528230T1 (en) 2011-10-15
ES2372729T3 (en) 2012-01-25
EP2163490A1 (en) 2010-03-17
CA2678111C (en) 2015-02-17
US8297474B2 (en) 2012-10-30
US20100059547A1 (en) 2010-03-11
CA2678111A1 (en) 2010-03-11
JP5745756B2 (en) 2015-07-08

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