EP1721840B1 - Multiple component cartridge - Google Patents

Multiple component cartridge Download PDF

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Publication number
EP1721840B1
EP1721840B1 EP06113265A EP06113265A EP1721840B1 EP 1721840 B1 EP1721840 B1 EP 1721840B1 EP 06113265 A EP06113265 A EP 06113265A EP 06113265 A EP06113265 A EP 06113265A EP 1721840 B1 EP1721840 B1 EP 1721840B1
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EP
European Patent Office
Prior art keywords
adhesive
chamber
fact
housing
container according
Prior art date
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EP06113265A
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German (de)
French (fr)
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EP1721840A1 (en
Inventor
Herbert Münzenberger
Ralf Willner
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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 container for multicomponent masses, referred to in the preamble of claim 1. Art.
  • Multi-component compositions comprise a main component and at least one minor component which react with each other and are mixed together shortly before application.
  • multi-component mortar often packed in multi-chamber bags in the form of hose or foil bags provided the user as a container available.
  • multi-chamber tubular packings of a sheet material are shown having a main chamber and a sub-chamber, the chambers being divided longitudinally.
  • the multicomponent mass is mixed and discharged via a mixer element to the ready-to-use mass.
  • the serviceability of the applied mass compliance with the mixing ratio when emptying the multi-chamber bag is essential.
  • liquid components of one of the mortar components such. B. resin
  • This infiltration can bring about a reduction of the frictional forces between the film material and the inner wall of the housing, so that the auxiliary chamber folds or constricts during the extrusion process.
  • the object of the invention is to provide a container with a housing and arranged in the housing multi-chamber bag, in which a folding or constriction of the chambers even after storage of the partially emptied container or after prolonged storage in the unopened state of the container at a higher temperature during the extrusion process is prevented, this container is used in conventional Auspresstechnikn.
  • a laminar connection region is provided for releasably connecting the multi-chamber bag and the housing, which extends along the longitudinal extent of the multi-chamber bag and at least along part of the circumference of the multi-chamber bag.
  • connection of the multi-chamber bag to the housing is partially the immigration of a liquid constituent of one of the components, for. B. a mortar component, and prevents constriction or folding of the chambers of the multi-chamber bag during Auspressvorgang.
  • the created connection is designed such that the outer contour of the multi-chamber bag peels off from the inner contour of the housing during the extrusion process, without generating significantly higher counter forces. If the connection between the multi-chamber bag and the housing is too strong, the ejection piston could progress Squeezing process tear the film packaging of the multi-chamber bag partially, the mixing ratio of the components to be mixed is adversely affected.
  • the period of use in teilausgepressten state is significantly extended, which is advantageous for practical and economic reasons for the user.
  • a stable mixing ratio of the masses arranged in the multi-chamber bag is also ensured if the specification of the storage temperature, for example due to entrained containers in a vehicle of the user in midsummer, has not been complied with.
  • the planar connecting region extends along the circumference along the outer contour of the multi-chamber bag only one chamber, whereby the constriction or folding of this chamber of the multi-chamber bag is advantageously prevented during Auspressvorgang.
  • the planar connecting region extends along the circumference along the outer contour of the multi-chamber bag in the region of the smaller chamber.
  • the hardener provided, the dosage of which decisively influences the setting behavior of the ready-to-use mass.
  • the planar connection region is formed by an adhesive arranged between the inner contour of the housing and the outer contour of the multi-chamber bag.
  • the adhesive is selected in such a way that the outer contour of the multi-chamber bag, which is at least partially bonded to the inner contour or the inner wall of the housing, dissolves again during the extrusion process, without generating significantly higher counterforces.
  • the adhesive is formulated so that it can be applied liquid to low viscosity, so that the multi-chamber bag is easily inserted into the housing of the container and the adhesive reacts only afterwards to a plastoelastic mass with sufficient tack, but with low peel strength.
  • the viscosity of the adhesive is advantageously chosen in the application of the same, that a processing on a automatic plant is possible.
  • the adhesive is arranged, for example, on the outer contour of the multi-chamber bag prior to insertion thereof into the housing. When inserting the multi-chamber bag into the housing, the adhesive is distributed along the longitudinal direction. Alternatively, the adhesive is arranged, for example, on the inner contour of the housing prior to insertion of the multi-chamber bag into the housing. Also in this alternative arrangement, as the multi-compartment bag is inserted into the housing, the adhesive is distributed along the longitudinal direction.
  • the adhesive has a layer thickness between 0.01 mm and 2.0 mm, wherein the adhesive particularly advantageously has a layer thickness between 0.5 mm and 1.0 mm. With layer thicknesses in these areas a sufficient adhesive adhesion during storage and at the same time the detachment of the predetermined area of the outer contour of the multi-chamber bag from the inner contour of the housing during the pressing process are ensured.
  • the adhesive is a physically setting adhesive, such as.
  • a solvent-based adhesive such as a dispersion adhesive, a rubber adhesive, a hot melt adhesive, a contact adhesive, a pressure sensitive adhesive or a plastisol.
  • the adhesive is a chemically curing adhesive, which are available as one-component or multi-component systems.
  • systems based on cyanoacrylates, polyurethanes, silicones, methacrylates, epoxy-amine systems or silane-modified polymers are used. Suitable systems are for.
  • a silicone rubber or a silane-modified polyether are used.
  • the adhesive is a polyurethane adhesive which has a NCO / OH equivalent ratio of 0.8 to 1.2 in a preferred embodiment. With such a polyurethane adhesive is given a sufficient tackiness with a low peel strength.
  • the container 11 shown in the figures has a housing 12 in which a multi-chamber bag 13 made of film material for an expressible, multi-component mass, in particular for a multi-component mortar composition, is arranged.
  • the multi-chamber bag 13 has a first chamber 14 as a main chamber and a, the hardener-containing second chamber 15 as a secondary chamber, wherein the first chamber 14 and the second chamber 15 divide the multi-chamber bag 13 in the longitudinal direction.
  • the components to be mixed of the multicomponent mass are packaged separately.
  • an extrusion piston 16 is further provided, with which the multi-chamber bag 13 is pressurizable to squeeze the components.
  • the housing 12 has a head part 18 with an outlet opening 20 and with a threaded connection 19 for a mixer element (not shown here).
  • the outlet opening 20 is closed in the storage condition of the container 11, for example, with a cap 21.
  • a planar connection region is provided, which extends along the longitudinal extension of the multi-chamber bag 13 and along part of the circumference of the multi-chamber bag 13.
  • the planar connection region extends in this embodiment along the circumference of the outer contour 28 of the second chamber 15.
  • the areal connection region is formed by an arranged between the inner contour 27 of the housing 12 and the outer contour 28 of the multi-chamber bag 13 adhesive 26, which has a layer thickness of 0.7 mm having.
  • the adhesive 26 is a chemically curing adhesive in the form of a polyurethane adhesive having an NCO / OH equivalent ratio of 1.0.
  • the desired soft elasticity of the polyurethane adhesive is, for example, by an addition of at least 20% -Vol. of a hydroxylated polymer of butadine (eg Poly BD R-45 HTLO from Sartomer or Liquiflex H from Petroflex). With the chosen NCO / OH equivalent ratio, the required adhesion of the polyurethane adhesive is ensured.
  • a hydroxylated polymer of butadine eg Poly BD R-45 HTLO from Sartomer or Liquiflex H from Petroflex.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Specialized In Special Use (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Tubes (AREA)
  • Packages (AREA)
  • Coating Apparatus (AREA)
  • Artificial Filaments (AREA)

Abstract

The package has a casing (12) designed as a hollow section, and multi-chambered bag (13) including chambers (14, 15) divided in longitudinal direction. A laminar connection area is provided for detachable connection of the bag and the casing. The area extends along the longitudinal extension of the bag and along a part of the periphery of the bag. The connection area is formed from a chemically hardened adhesive (26), where the adhesive is a polyurethane adhesive.

Description

Technisches GebietTechnical area

Die Erfindung betrifft ein Gebinde für mehrkomponentige Massen, der im Oberbegriff des Patentanspruchs 1 genannten Art.The invention relates to a container for multicomponent masses, referred to in the preamble of claim 1. Art.

Stand der TechnikState of the art

Mehrkomponentige Massen umfassen eine Hauptkomponente und zumindest eine Nebenkomponente, welche miteinander reagieren und kurz vor der Applikation zusammengemischt werden. Im Bauwesen werden z. B. mehrkomponentige Mörtelmassen oftmals in Mehrkammerbeuteln in Form von Schlauch- oder Folienbeuteln verpackt dem Anwender als Gebinde zur Verfügung gestellt. In der DE 39 04 639 A1 sind beispielsweise Mehrkammer-Schlauchpackungen aus einem Folienmaterial gezeigt, die eine Hauptkammer und eine Nebenkammer aufweisen, wobei die Kammern in Längsrichtung geteilt sind.Multi-component compositions comprise a main component and at least one minor component which react with each other and are mixed together shortly before application. In construction z. B. multi-component mortar often packed in multi-chamber bags in the form of hose or foil bags provided the user as a container available. In the DE 39 04 639 A1 For example, multi-chamber tubular packings of a sheet material are shown having a main chamber and a sub-chamber, the chambers being divided longitudinally.

Mittels geeigneten Auspressgeräten wird die mehrkomponentige Masse über ein Mischerelement zur gebrauchsfertigen Masse vermischt und ausgebracht. Für die Gebrauchstauglichkeit der ausgebrachten Masse ist die Einhaltung des Mischungsverhältnisses beim Entleeren des Mehrkammerbeutels wesentlich.By means of suitable Auspressgeräten the multicomponent mass is mixed and discharged via a mixer element to the ready-to-use mass. For the serviceability of the applied mass compliance with the mixing ratio when emptying the multi-chamber bag is essential.

Aus der US 5,647,510 A ist ein Gebinde für mehrkomponentige Mörtelmassen mit einem hohlzylindrischen Gehäuse und einem im Gehäuse angeordneten Mehrkammerbeutel bekannt, dessen Kammern in Längsrichtung geteilt sind. Am auspressseitigen Ende des Gehäuses ist ein mehrteiliges Kopfteil vorgesehen, an welchem die freien Enden der Schlauchbeutel fixiert werden. Die grössere Kammer beziehungsweise die Hauptkammer weist einen direkten Austritt in die Auspressöffnung der Kartusche auf. Die zweite Kammer beziehungsweise die Nebenkammer ist an einem separaten Abschnitt des Kopfteils angeordnet, welcher einen Kanalabschnitt in die Auspressöffnung aufweist, der den Austritt der Masse aus der Nebenkammer drosselt. Nachteilig an der bekannten Lösung ist, dass das Kopfteil herstellungstechnisch aufwändig ist.From the US 5,647,510 A is a container for multicomponent mortar compositions with a hollow cylindrical housing and a housing arranged in the multi-chamber bag known, the chambers are divided in the longitudinal direction. At the Auspressseitigen end of the housing, a multi-part head part is provided, on which the free ends of the tubular bag are fixed. The larger chamber or the main chamber has a direct outlet into the extrusion opening of the cartridge. The second chamber or the secondary chamber is arranged on a separate portion of the head part, which has a channel section in the Auspressöffnung, the outlet the mass from the secondary chamber throttles. A disadvantage of the known solution is that the head part is expensive to manufacture.

Bei Gebinden, die im teilentleerten Zustand oder bei höheren Temperaturen längere Zeit gelagert werden, treten flüssige Bestandteile einer der Mörtel-Komponenten, wie z. B. Harz, aus, die zwischen dem Mehrkammerbeutel und der Innenkontur beziehungsweise der Innenwand des Gehäuses der Kartusche wandern kann. Diese Unterwanderung kann eine Senkung der Reibungskräfte zwischen dem Folienmaterial und der Innenwandung des Gehäuses bewirken, so dass beim Auspressvorgang die Nebenkammer einfaltet beziehungsweise sich einschnürt. Dies führt zu einer gravierenden Veränderung des Mischungsverhältnisses, womit das korrekte Aushärten der gemischten Masse und damit die Sicherstellung der zu erreichenden Lastwerte nicht mehr gewährleistet sind.For containers that are stored in the partially empty state or at elevated temperatures for a long time, liquid components of one of the mortar components, such. B. resin, which can migrate between the multi-chamber bag and the inner contour or the inner wall of the housing of the cartridge. This infiltration can bring about a reduction of the frictional forces between the film material and the inner wall of the housing, so that the auxiliary chamber folds or constricts during the extrusion process. This leads to a serious change in the mixing ratio, whereby the correct curing of the mixed mass and thus ensuring the load values to be achieved are no longer guaranteed.

Darstellung der ErfindungPresentation of the invention

Aufgabe der Erfindung ist es, ein Gebinde mit einem Gehäuse und einem in dem Gehäuse angeordneten Mehrkammerbeutel zu schaffen, bei dem ein Einfalten oder Einschnüren der Kammern auch nach einer Lagerung des teilentleerten Gebindes oder nach längerer Lagerung im ungeöffneten Zustand des Gebindes bei höherer Temperatur beim Auspressvorgang verhindert ist, wobei dieses Gebinde in herkömmlichen Auspressgeräten verwendbar ist.The object of the invention is to provide a container with a housing and arranged in the housing multi-chamber bag, in which a folding or constriction of the chambers even after storage of the partially emptied container or after prolonged storage in the unopened state of the container at a higher temperature during the extrusion process is prevented, this container is used in conventional Auspressgeräten.

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 zur lösbaren Verbindung des Mehrkammerbeutels und des Gehäuses ein flächenhafter Verbindungsbereich vorgesehen, der sich entlang der Längserstreckung des Mehrkammerbeutels und zumindest entlang eines Teils des Umfangs des Mehrkammerbeutels erstreckt.According to the invention, a laminar connection region is provided for releasably connecting the multi-chamber bag and the housing, which extends along the longitudinal extent of the multi-chamber bag and at least along part of the circumference of the multi-chamber bag.

Mit der lösbaren Verbindung des Mehrkammerbeutels an dem Gehäuse wird bereichsweise die Einwanderung eines flüssigen Bestandteils einer der Komponenten, z. B. einer Mörtelkomponente, verhindert und ein Einschnüren beziehungsweise Einfalten der Kammern des Mehrkammerbeutels beim Auspressvorgang vermieden. Die geschaffene Verbindung ist derart ausgebildet, dass sich die Aussenkontur des Mehrkammerbeutels beim Auspressvorgang von der Innenkontur des Gehäuses ablöst, ohne dabei signifikant höhere Gegenkräfte zu erzeugen. Ist die Verbindung zwischen dem Mehrkammerbeutel und dem Gehäuse zu stark ausgebildet, könnte der Auspresskolben beim fortschreitenden Auspressvorgang die Folienverpackung des Mehrkammerbeutels bereichsweise einreissen, wobei das Mischungsverhältnis der zu vermischenden Komponenten negativ beeinflusst wird.With the detachable connection of the multi-chamber bag to the housing is partially the immigration of a liquid constituent of one of the components, for. B. a mortar component, and prevents constriction or folding of the chambers of the multi-chamber bag during Auspressvorgang. The created connection is designed such that the outer contour of the multi-chamber bag peels off from the inner contour of the housing during the extrusion process, without generating significantly higher counter forces. If the connection between the multi-chamber bag and the housing is too strong, the ejection piston could progress Squeezing process tear the film packaging of the multi-chamber bag partially, the mixing ratio of the components to be mixed is adversely affected.

Mit dem erfindungsgemässen Gebinde wird die Verwendungsdauer im teilausgepressten Zustand wesentlich verlängert, was aus praktischen und wirtschaftlichen Gründen für den Anwender von Vorteil ist. Zudem ist mit dem erfindungsgemässen Gebinde ein stabiles Mischungsverhältnis der im Mehrkammerbeutel angeordneten Massen auch gewährleistet, wenn die Vorgabe der Lagertemperatur, beispielsweise durch mitgeführte Gebinde in einem Fahrzeug des Anwenders im Hochsommer, nicht eingehalten wurde.With the container according to the invention, the period of use in teilausgepressten state is significantly extended, which is advantageous for practical and economic reasons for the user. In addition, with the container according to the invention, a stable mixing ratio of the masses arranged in the multi-chamber bag is also ensured if the specification of the storage temperature, for example due to entrained containers in a vehicle of the user in midsummer, has not been complied with.

Vorzugsweise erstreckt sich der flächenhafte Verbindungsbereich entlang des Umfangs entlang der Aussenkontur des Mehrkammerbeutels nur einer Kammer, wodurch das Einschnüren beziehungsweise das Einfalten dieser Kammer des Mehrkammerbeutels beim Auspressvorgang vorteilhaft verhindert ist. Vorteilhaft erstreckt sich der flächenhafte Verbindungsbereich entlang des Umfangs entlang der Aussenkontur des Mehrkammerbeutels im Bereich der kleineren Kammer. In der kleineren Kammer beziehungsweise in der Nebenkammer ist z. B. der Härter vorgesehen, dessen Dosierung das Abbindeverhalten der gebrauchsfertigen Masse massgeblich beeinflusst. Mit dieser Ausführungsform des erfindungsgemässen Gebindes wird ein stabiles Mischungsverhältnis im teilausgepressten Zustand oder nach einer längeren Lagerzeit des Gebindes vorteilhaft gewährleistet.Preferably, the planar connecting region extends along the circumference along the outer contour of the multi-chamber bag only one chamber, whereby the constriction or folding of this chamber of the multi-chamber bag is advantageously prevented during Auspressvorgang. Advantageously, the planar connecting region extends along the circumference along the outer contour of the multi-chamber bag in the region of the smaller chamber. In the smaller chamber or in the secondary chamber z. B. the hardener provided, the dosage of which decisively influences the setting behavior of the ready-to-use mass. With this embodiment of the inventive container, a stable mixing ratio is advantageously ensured in the partially pressed state or after a longer storage time of the container.

Vorzugsweise ist der flächenhafte Verbindungsbereich von einem zwischen der Innenkontur des Gehäuses und der Aussenkontur des Mehrkammerbeutels angeordneten Kleber gebildet. Der Kleber ist derart gewählt, dass die wenigstens bereichsweise mit der Innenkontur beziehungsweise der Innenwand des Gehäuses verklebte Aussenkontur des Mehrkammerbeutels sich beim Auspressvorgang wieder löst, ohne dabei signifikant höhere Gegenkräfte zu erzeugen. Idealerweise ist der Kleber so formuliert, dass er flüssig bis niederviskos auftragbar ist, so dass der Mehrkammerbeutel leicht in das Gehäuse des Gebindes einführbar ist und der Kleber erst nachher zu einer plastoelastischen Masse mit ausreichender Klebrigkeit, aber mit geringer Schälfestigkeit ausreagiert. Unter Schälfestigkeit wird in diesem Zusammenhang eine ausreichende Festigkeit gegenüber axial in Längsachse des Gebindes wirkenden Kräfte verstanden, wobei diese Festigkeit bei einer ausreichenden Druckbeaufschlagung z. B. durch einen Auspresskolben auf den Mehrkammerbeutel ohne signifikant höhere Gegenkräfte überwindbar ist. Die Viskosität des Klebers ist bei der Applikation desselben vorteilhafterweise derart gewählt, dass eine Verarbeitung auf einer automatischen Anlage möglich ist. Der Kleber wird beispielsweise auf der Aussenkontur des Mehrkammerbeutels vor dem Einführen desselben in das Gehäuse angeordnet. Beim Einführen des Mehrkammerbeutels in das Gehäuse wird der Kleber entlang der Längsrichtung verteilt. Alternativ wird der Kleber beispielsweise auf der Innenkontur des Gehäuses vor dem Einführen des Mehrkammerbeutels in das Gehäuse angeordnet. Auch bei dieser alternativen Anordnung wird beim Einführen des Mehrkammerbeutels in das Gehäuse der Kleber entlang der Längsrichtung verteilt.Preferably, the planar connection region is formed by an adhesive arranged between the inner contour of the housing and the outer contour of the multi-chamber bag. The adhesive is selected in such a way that the outer contour of the multi-chamber bag, which is at least partially bonded to the inner contour or the inner wall of the housing, dissolves again during the extrusion process, without generating significantly higher counterforces. Ideally, the adhesive is formulated so that it can be applied liquid to low viscosity, so that the multi-chamber bag is easily inserted into the housing of the container and the adhesive reacts only afterwards to a plastoelastic mass with sufficient tack, but with low peel strength. Under peel strength is understood in this context sufficient strength against axially acting in the longitudinal axis of the container forces, said strength at a sufficient pressurization z. B. by an extrusion piston on the multi-chamber bag without significantly higher counter forces can be overcome. The viscosity of the adhesive is advantageously chosen in the application of the same, that a processing on a automatic plant is possible. The adhesive is arranged, for example, on the outer contour of the multi-chamber bag prior to insertion thereof into the housing. When inserting the multi-chamber bag into the housing, the adhesive is distributed along the longitudinal direction. Alternatively, the adhesive is arranged, for example, on the inner contour of the housing prior to insertion of the multi-chamber bag into the housing. Also in this alternative arrangement, as the multi-compartment bag is inserted into the housing, the adhesive is distributed along the longitudinal direction.

Bevorzugt weist der Kleber eine Schichtdicke zwischen 0.01 mm und 2.0 mm auf, wobei der Kleber besonders vorteilhaft eine Schichtdicke zwischen 0.5 mm und 1.0 mm aufweist. Mit Schichtdicken in diesen Bereichen sind eine ausreichende Klebehaftung während der Lagerung und gleichzeitig das Ablösen des festgelegten Bereichs der Aussenkontur des Mehrkammerbeutels von der Innenkontur des Gehäuses beim Auspressvorgang gewährleistet.Preferably, the adhesive has a layer thickness between 0.01 mm and 2.0 mm, wherein the adhesive particularly advantageously has a layer thickness between 0.5 mm and 1.0 mm. With layer thicknesses in these areas a sufficient adhesive adhesion during storage and at the same time the detachment of the predetermined area of the outer contour of the multi-chamber bag from the inner contour of the housing during the pressing process are ensured.

In einer vorteilhaften Ausführungsform des Gebindes ist der Kleber ein physikalisch abbindender Klebstoff, wie z. B. ein lösemittelhaltiger Klebstoff, ein Dispersionsklebstoff, ein Kautschukklebstoff, ein Schmelzklebstoff, ein Kontaktklebstoff, ein Haftklebstoff oder ein Plastisol.In an advantageous embodiment of the container, the adhesive is a physically setting adhesive, such as. As a solvent-based adhesive, a dispersion adhesive, a rubber adhesive, a hot melt adhesive, a contact adhesive, a pressure sensitive adhesive or a plastisol.

In einer weiteren bevorzugten Ausführungsform des Gebindes ist der Kleber ein chemisch härtender Klebstoff, die als ein- oder mehrkomponentige Systeme zur Verfügung stehen. Beispielsweise finden Systeme auf der Basis von Cyanacrylate, Polyurethane, Silikone, Metacrylate, Epoxid-Amin-Systeme oder silanmodifizierte Polymere Anwendung. Geeignete Systeme sind z. B. ein Silikon-Kautschuk oder ein silan modifizierter Polyether.In a further preferred embodiment of the container, the adhesive is a chemically curing adhesive, which are available as one-component or multi-component systems. For example, systems based on cyanoacrylates, polyurethanes, silicones, methacrylates, epoxy-amine systems or silane-modified polymers are used. Suitable systems are for. As a silicone rubber or a silane-modified polyether.

Besonders vorteilhaft ist der Kleber ein Polyurethanklebstoff, der in einer bevorzugten Ausführungsform ein NCO/OH-Equivalentverhältnis von 0.8 bis 1.2 aufweist. Mit einem solchen Polyurethanklebstoff ist eine ausreichende Klebrigkeit mit einer geringen Schälfestigkeit gegeben.Particularly advantageously, the adhesive is a polyurethane adhesive which has a NCO / OH equivalent ratio of 0.8 to 1.2 in a preferred embodiment. With such a polyurethane adhesive is given a sufficient tackiness with a low peel strength.

Aus der nachfolgenden Detailbeschreibung und der Gesamtheit der Patentansprüche ergeben sich weitere vorteilhafte Ausführungsformen und Merkmalskombinationen der Erfindung.From the following detailed description and the totality of the claims, further advantageous embodiments and feature combinations of the invention result.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Die Erfindung wird nachstehend anhand eines Ausführungsbeispieles näher erläutert. Es zeigen:

Fig. 1
Einen zum Teil aufgebrochenen Längsschnitt durch eine erfindungsgemässe Kartusche; und
Fig. 2
einen vergrösserten Querschnitt in der Ebene II-II der Fig. 1.
The invention will be explained in more detail below with reference to an embodiment. Show it:
Fig. 1
A partly broken longitudinal section through a cartridge according to the invention; and
Fig. 2
an enlarged cross section in the level II-II of Fig. 1 ,

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.

Wege zur Ausführung der ErfindungWays to carry out the invention

Das in den Figuren dargestellte Gebinde 11 weist ein Gehäuse 12 auf, in dem ein Mehrkammerbeutel 13 aus Folienmaterial für eine auspressbare, mehrkomponentige Masse, insbesondere für eine mehrkomponentige Mörtelmasse, angeordnet ist. Der Mehrkammerbeutel 13 weist eine erste Kammer 14 als Hauptkammer und eine, den Härter beinhaltende zweite Kammer 15 als Nebenkammer auf, wobei die erste Kammer 14 und die zweite Kammer 15 den Mehrkammerbeutel 13 in Längsrichtung teilen. In den Kammern 14 und 15 sind die zu vermischenden Komponenten der mehrkomponentigen Masse getrennt voneinander verpackt. In dem Gehäuse 12 ist weiter ein Auspresskolben 16 vorgesehen, mit dem der Mehrkammerbeutel 13 zum Auspressen der Komponenten druckbeaufschlagbar ist. An dem auspressseitigen Ende 17 weist das Gehäuse 12 ein Kopfteil 18 mit einer Austrittsöffnung 20 und mit einem Gewindeanschluss 19 für ein Mischerelement (hier nicht dargestellt) auf. Die Austrittsöffnung 20 ist im Lagerzustand des Gebindes 11 beispielsweise mit einer Abdeckkappe 21 verschlossen.The container 11 shown in the figures has a housing 12 in which a multi-chamber bag 13 made of film material for an expressible, multi-component mass, in particular for a multi-component mortar composition, is arranged. The multi-chamber bag 13 has a first chamber 14 as a main chamber and a, the hardener-containing second chamber 15 as a secondary chamber, wherein the first chamber 14 and the second chamber 15 divide the multi-chamber bag 13 in the longitudinal direction. In the chambers 14 and 15, the components to be mixed of the multicomponent mass are packaged separately. In the housing 12, an extrusion piston 16 is further provided, with which the multi-chamber bag 13 is pressurizable to squeeze the components. At the extrusion-side end 17, the housing 12 has a head part 18 with an outlet opening 20 and with a threaded connection 19 for a mixer element (not shown here). The outlet opening 20 is closed in the storage condition of the container 11, for example, with a cap 21.

Zur lösbaren Verbindung des Mehrkammerbeutels 13 und des Gehäuses 12 ist ein flächenhafter Verbindungsbereich vorgesehen, der sich entlang der Längserstreckung des Mehrkammerbeutels 13 und entlang eines Teils des Umfangs des Mehrkammerbeutels 13 erstreckt. Der flächenhafte Verbindungsbereich erstreckt sich in diesem Ausführungsbeispiel entlang des Umfangs der Aussenkontur 28 der zweiten Kammer 15. Der flächenhafte Verbindungsbereich ist von einem zwischen der Innenkontur 27 des Gehäuses 12 und der Aussenkontur 28 des Mehrkammerbeutels 13 angeordneten Kleber 26 gebildet, der eine Schichtdicke von 0.7 mm aufweist. In diesem Ausführungsbeispiel ist der Kleber 26 ein chemisch härtender Klebstoff in Form eines Polyurethanklebstoffes mit einem NCO/OH-Equivalentverhältnis von 1.0.For detachable connection of the multi-chamber bag 13 and the housing 12, a planar connection region is provided, which extends along the longitudinal extension of the multi-chamber bag 13 and along part of the circumference of the multi-chamber bag 13. The planar connection region extends in this embodiment along the circumference of the outer contour 28 of the second chamber 15. The areal connection region is formed by an arranged between the inner contour 27 of the housing 12 and the outer contour 28 of the multi-chamber bag 13 adhesive 26, which has a layer thickness of 0.7 mm having. In this embodiment, the adhesive 26 is a chemically curing adhesive in the form of a polyurethane adhesive having an NCO / OH equivalent ratio of 1.0.

Die erwünschte Weichelastizität des Polyurethanklebstoffes wird beispielsweise durch einen Zusatz von mindestens 20%-Vol. eines mit Hydroxylgruppen ausgestatteten Polymers von Butadin (z. B. Poly BD R-45 HTLO von der Firma Sartomer oder Liquiflex H von der Firma Petroflex) erreicht. Mit dem gewählten NCO/OH-Equivalentverhältnis ist die erforderliche Adhäsion des Polyurethanklebstoffes gewährleistet.The desired soft elasticity of the polyurethane adhesive is, for example, by an addition of at least 20% -Vol. of a hydroxylated polymer of butadine (eg Poly BD R-45 HTLO from Sartomer or Liquiflex H from Petroflex). With the chosen NCO / OH equivalent ratio, the required adhesion of the polyurethane adhesive is ensured.

Claims (9)

  1. Container for multi-component masses with a housing (12) shaped as a hollow profile and a multi-chamber pocket (13), whose chambers (14, 15) are divided in a longitudinal direction, characterised by the fact that for the releasable connection of the multi-chamber pocket (13) and the housing (12) a surface connecting area is provided which extends along the longitudinal direction of the multi-chamber pocket (13) and at least along a part of the multi-chamber pocket (13).
  2. Container according to claim 1, characterised by the fact that the surface connecting area extends along the periphery along the external contour (28) of only one chamber (15).
  3. Container according to claim 1 or 2, characterised by the fact that the surface connecting area is formed of an adhesive (26) arranged between the internal contour (27) of the housing (12) and the external contour (28) of the multi-chamber pocket (13).
  4. Container according to claim 3, characterised by he fact that the adhesive (26) exhibits a coating thickness between 0.01 mm and 2.0 mm.
  5. Container according to claim 4, characterised by he fact that the adhesive (26) exhibits a coating thickness between 0.5 mm and 1.0 mm.
  6. Container according to one of the claims 3 to 5, characterised by the fact that the adhesive (26) is a physically setting adhesive.
  7. Container according to one of the claims 3 to 5, characterised by the fact that the adhesive (26) is a chemically hardening adhesive.
  8. Container according to claim 7, characterised by the fact that the adhesive (26) is a polyurethene adhesive.
  9. Container according to claim 8 characterised by the fact that the polyurethene adhesive exhibits a NCO/OH equivalent ratio of 0.8 to 1.2.
EP06113265A 2005-05-10 2006-04-28 Multiple component cartridge Active EP1721840B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005000056A DE102005000056A1 (en) 2005-05-10 2005-05-10 cartridge

Publications (2)

Publication Number Publication Date
EP1721840A1 EP1721840A1 (en) 2006-11-15
EP1721840B1 true EP1721840B1 (en) 2008-07-30

Family

ID=36926825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06113265A Active EP1721840B1 (en) 2005-05-10 2006-04-28 Multiple component cartridge

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US (1) US7913876B2 (en)
EP (1) EP1721840B1 (en)
JP (1) JP4933831B2 (en)
AT (1) ATE402884T1 (en)
AU (1) AU2006201587B2 (en)
CA (1) CA2543325C (en)
DE (2) DE102005000056A1 (en)
ES (1) ES2308661T3 (en)

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Also Published As

Publication number Publication date
CA2543325A1 (en) 2006-11-10
JP4933831B2 (en) 2012-05-16
AU2006201587A1 (en) 2006-11-30
EP1721840A1 (en) 2006-11-15
US7913876B2 (en) 2011-03-29
CA2543325C (en) 2013-09-17
ATE402884T1 (en) 2008-08-15
JP2006315763A (en) 2006-11-24
ES2308661T3 (en) 2008-12-01
US20060255062A1 (en) 2006-11-16
DE502006001211D1 (en) 2008-09-11
AU2006201587B2 (en) 2009-06-11
DE102005000056A1 (en) 2006-11-16

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