EP0541972B1 - Container for flowable products - Google Patents

Container for flowable products Download PDF

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Publication number
EP0541972B1
EP0541972B1 EP92117405A EP92117405A EP0541972B1 EP 0541972 B1 EP0541972 B1 EP 0541972B1 EP 92117405 A EP92117405 A EP 92117405A EP 92117405 A EP92117405 A EP 92117405A EP 0541972 B1 EP0541972 B1 EP 0541972B1
Authority
EP
European Patent Office
Prior art keywords
ring
film tube
container
cap
clip
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.)
Expired - Lifetime
Application number
EP92117405A
Other languages
German (de)
French (fr)
Other versions
EP0541972A1 (en
Inventor
Wolf-Dietrich Herold
Günter Rehfeld
Gerd Brandhorst
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.)
3M Deutschland GmbH
Original Assignee
Espe Dental 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 Espe Dental AG filed Critical Espe Dental AG
Publication of EP0541972A1 publication Critical patent/EP0541972A1/en
Application granted granted Critical
Publication of EP0541972B1 publication Critical patent/EP0541972B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0072—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by a piston or a movable bottom or partition provided in the container or the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00509—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the bayonet type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00583—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes the container for the material to be dispensed being deformable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00586—Means, generally located near the nozzle, for piercing or perforating the front part of a cartridge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00576—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container

Definitions

  • the invention relates to a container with a film tube for a flowable substance.
  • Such containers serve as disposable packaging, for example for adhesives, sealing and molding compounds or other curable Substances.
  • DE-A-3 823 708 discloses containers for separate containers pasty components known in precisely defined proportions can be applied and fed to a mixer. Each component is contained in a rigid cartridge on one side with an outlet nozzle and on closed on the other side by a sliding piston is.
  • the well-known container designed as a solid cartridge allows the exact dosing of the components, but is relatively complex and requires sufficient sealing the piston of a tolerance-accurate production. Moreover provide stiff cartridges as disposable containers for disposal is a problem that is being taken increasingly seriously.
  • the known containers with film tubes have the disadvantage that the cut from the film tube escaping substance contaminates the inside of the cylindrical chamber and after some time inhibits the movement of the piston and makes the container unusable. Because part of the substance not only escapes through the discharge opening, but also escapes the film tube into the interior of the cylindrical chamber flows, an exact dosage of the substance is impossible. This represents in particular for substances that are a component of a with exact proportions of the substance to be mixed, is a serious disadvantage.
  • Teroson uses a hose pack for the sealants they sell, a ring glued on the outside on one end having. This ring is threaded to connect with provided an outlet connection.
  • the outlet connection points Knife on when screwing together from the film tube Cut out an opening in the ring. After slicing the outlet connection must be unscrewed again to remove the piece of film cut out there otherwise it would clog the outlet connection. This handling is very cumbersome and unclean.
  • a similarly designed and similar in handling cumbersome hose pack that the in the first part of the claim 1 features contained, is from DE-A-3 500 625 known.
  • the invention is therefore based on the object of a container for a flowable substance that only one contains small amount of disposable material and yet simple and is easy to handle and an exact dosage of the substance allows.
  • the film tube is provided with a ring, which has a conical sealing surface.
  • One with this cooperating sealing surface surrounds one in one Rigid cap of the discharge opening.
  • the film tube is inside the Cut open and then in a cylindrical housing used that the sealing surface of the ring against the counter surface the rigid cap pushes.
  • a conical sealing surface has the advantage that the Foil tube automatically when inserted into the cylindrical housing centered. Consequently prevents the substance in the film container the interior of the housing, in particular the sliding surfaces of the piston, dirty.
  • the empty film container can be easily remove without conditionally as with conventional containers due to the leaked substance on the inside wall of the housing to stick.
  • the ring also prevents that the cut film container tears open too far.
  • FIG. 1 is a film tube 11 at both ends each closed with a clip 12. On one of the two End faces are between the filled part of the film tube 11 and the clip 12 a ring 20.
  • the ring 20 lies with a narrow edge 24 on the film tube. At the Edge 24 is the ring 20 also by adhesive with the film tube 11 connected.
  • the ring 20 is provided with two tongue-shaped catches 22, which act as a spacer to the bracket 12. So can the clip 12 does not slide inside the ring. This makes it easier to open the film tube 11 by cutting it off the closed held together by the clip 12 Part of the film tube 11.
  • For easy handling are notches 23 in the ring 20 in the region of the spacers 22 provided on which with scissors or a side cutter can be used to cut open the film tube, without the risk of slipping.
  • the rest 22 can be resiliently pushed out and thus allow that the ring 20 in the manufacture of the packaging over the closed Clip 12 can be pulled onto the hose, where it's stuck. The sticking prevents the After cutting open ring 20 from film tube 11 releases.
  • Figure 2 shows the opened film tube 11 in one cylindrical housing 31 lying.
  • a conical one Sealing surface 21 of the ring 20 in firm, sealing contact with a counter surface 35 on the front of the housing 31 provided cap 33.
  • the counter surface 35 surrounds the in a cap 33 provided discharge opening 34 for the in the Foil container 11 located substance.
  • the discharge opening 34 is designed as a cranked channel, which allows the substances to be juxtaposed lying container of this type in close proximity lying channels fed to a mixer (not shown) become.
  • the cranked arrangement of the channel 34 is thus for containers advantageous for multi-component materials.
  • the ring 20 Since the ring 20 is glued to the film tube 11, it is removed when pulling out the film tube 11. Disposable parts are thus only the film tube 11 with the two Brackets 12 and the ring 20. Depending on the desired size of the Opening the hose 11, the ring can be as small as possible design so that the amount of waste remains limited.
  • FIG. 3 shows the partial view of a film tube 11, which is provided with a very small ring 20.
  • the inside diameter this ring is smaller than the outside diameter the bracket 12.
  • the lack of the spacer causes the ring 20 is very flat and the filling volume of the film tube is hardly restricted.
  • Figure 4 shows the exploded view of a container for a two-component substance.
  • a film tube 11 is provided which, as described above Brackets 12 is closed and each has a ring 20.
  • Each of the film tubes 11 is in one of two cylindrical ones Chambers 47, 48 of a double cylinder 41 inserted.
  • On a front face of the double cylinder 41 is provided with a cap 43, for each of the housing chambers 47, 48 with a discharge opening 44, 45 is provided.
  • Both discharge openings 44 and 45 are cranked channels formed in a nozzle 50 flow out.
  • a bayonet catch is used to fasten the nozzle 50 to the cap 43 51, 46 provided, but also by a Screw cap can be replaced.
  • a piston 42 is provided for each of the housing chambers 47, 48. On the side of the piston facing the film tube 42 this is profiled so that it has recesses in the central area for the clip 12 of the film tube 11 and in Circumferential area for the compressing film of the film tube 11 has. In this way, the most complete application possible of the substance located in the film tube 11.
  • the container shown in Figure 4 in disassembled state is assembled in FIG. 5 and into a dosing gun 60 shown inlaid.
  • Both pistons 42 are jointly formed by a single U-shaped one Piston rod 62 actuated.
  • the feed is gradual by pulling a feed lever 64 against a pistol grip 63.
  • the nozzle 50 is thus designed as a static mixer, for example according to EP-A-0 378 806.
  • the two open Delivery openings 44 and 45 side by side in the nozzle 50.
  • the cap 43 is designed so that both discharge openings open concentrically into the nozzle 50.
  • the nozzle 50 is a disposable part.
  • the cap 43 In order to always reuse the cap 43 can, it is the same size film tubes 11 as in The present exemplary embodiment expediently, the film tubes 11, the housing chambers 47 and 48 and the two halves of the Color cap 43 so that the user each Component of the substance always on the same side of the cap 43 arranges. This will avoid having every component within the discharge openings 44 and 45 in contact with residues of the other component, thereby hardening and the discharge openings and the nozzle 50 is blocked.
  • the mixing ratio is of the two components 1: 1. With other mixing ratios are correspondingly different diameters the film tubes 11 necessary. This is a mix-up excluded even without color marking.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Tubes (AREA)
  • Closures For Containers (AREA)
  • Closing Of Containers (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Treating Waste Gases (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Telephone Function (AREA)
  • Valve Housings (AREA)
  • Confectionery (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

A container comprises a tubular film 11 for flowable products. The opened tubular film can be placed in a cylindrical housing 31 between a cap 33 and a displaceable plunger 32. At the end of the tubular film 11 facing the cap 33, said tubular film is provided with a ring 20 which has a conical sealing surface 21. When the contents of the tubular film 11 are discharged by advancing the plunger 32, said sealing surface 21 is pressed against a counter-surface 35 of the cap 33 which surrounds the discharge aperture 34. The contents of the tubular film 11 are thus prevented from leaking onto the inside wall of the housing. <IMAGE>

Description

Die Erfindung betrifft einen Behälter mit Folienschlauch für eine fließfähige Substanz.The invention relates to a container with a film tube for a flowable substance.

Solche Behälter dienen als Einweg-Verpackungen beispielsweise für Klebstoffe, Dicht- und Formmassen oder andere aushärtbare Substanzen.Such containers serve as disposable packaging, for example for adhesives, sealing and molding compounds or other curable Substances.

Aus DE-A-3 823 708 sind Behälter für voneinander getrennte pastöse Komponenten bekannt, die in exakt definiertem Mengenverhältnis ausgebracht und einem Mischer zugeführt werden können. Jede Komponente ist dort in einer steifen Kartusche enthalten, die an einer Seite mit einem Austrittsstutzen und an der anderen Seite von einem verschiebbaren Kolben abgeschlossen ist.DE-A-3 823 708 discloses containers for separate containers pasty components known in precisely defined proportions can be applied and fed to a mixer. Each component is contained in a rigid cartridge on one side with an outlet nozzle and on closed on the other side by a sliding piston is.

Der bekannte, als feste Kartusche ausgebildete Behälter erlaubt zwar die exakte Dosierung der Komponenten, ist jedoch verhältnismäßig aufwendig und bedarf zur ausreichenden Abdichtung des Kolbens einer toleranzgenauen Fertigung. Außerdem stellen steife Kartuschen als Einwegbehälter bei der Entsorgung ein Problem dar, das zunehmend ernst genommen wird.The well-known container designed as a solid cartridge allows the exact dosing of the components, but is relatively complex and requires sufficient sealing the piston of a tolerance-accurate production. Moreover provide stiff cartridges as disposable containers for disposal is a problem that is being taken increasingly seriously.

Aus diesen Gründen ist man dazu übergegangen, als Einweg-Verpackungen für fließfähige Substanzen Folienschläuche einzusetzen, die in eine zylindrische Kammer eingelegt werden, in der ihr Inhalt aus dem aufgeschnittenen Schlauch herausgedrückt werden kann. Bei derartigen Behältern ist lediglich der Folienschlauch ein Einwegteil. Er ist in der Herstellung billig und nimmt im entleerten Zustand nur wenig Platz ein. Solche Behälter sind beispielsweise in DE-A-3 826 887, DE-U-8 901 554 und US-A-3 838 796 beschrieben.For these reasons, people have started to use disposable packaging use film tubes for flowable substances, which are placed in a cylindrical chamber, in who squeezed their contents out of the cut tube can be. In such containers, only the film tube a disposable part. It is cheap and inexpensive to manufacture takes up little space when empty. Such containers are for example in DE-A-3 826 887, DE-U-8 901 554 and US-A-3 838 796.

Die bekannten Behälter mit Folienschläuchen haben jedoch den Nachteil, daß die aus dem aufgeschnittenen Folienschlauch austretende Substanz das Innere der zylindrischen Kammer verschmutzt und nach einiger Zeit die Bewegung des Kolbens hemmt und den Behälter unbrauchbar macht. Da ein Teil der Substanz nicht nur durch die Ausbringöffnung entweicht, sondern auch aus dem Folienschlauch in das Innere der zylindrischen Kammer fließt, ist eine exakte Dosierung der Substanz unmöglich. Dies stellt insbesondere bei Substanzen, die eine Komponente eines mit exakten Mengenverhältnissen zu mischenden Stoffes sind, einen schweren Nachteil dar.However, the known containers with film tubes have the disadvantage that the cut from the film tube escaping substance contaminates the inside of the cylindrical chamber and after some time inhibits the movement of the piston and makes the container unusable. Because part of the substance not only escapes through the discharge opening, but also escapes the film tube into the interior of the cylindrical chamber flows, an exact dosage of the substance is impossible. This represents in particular for substances that are a component of a with exact proportions of the substance to be mixed, is a serious disadvantage.

Um diese Nachteile zu vermeiden, verwendet die Firma Teroson für die von ihnen vertriebenen Dichtstoffe eine Schlauchpackung, die auf einer Stirnseite einen außen aufgeklebten Ring aufweist. Dieser Ring ist mit einem Gewinde zur Verbindung mit einem Austrittsstutzen versehen. Der Austrittsstutzen weist Messer auf, die beim Zusammenschrauben aus dem Folienschlauch innerhalb des Rings eine Öffnung herausschneiden. Nach dem Aufschneiden muß der Austrittsstutzen noch einmal abgeschraubt werden, um das herausgeschnittene Folienstück zu entfernen, da es sonst den Austrittsstutzen verstopfen würde. Diese Handhabung ist sehr umständlich und unsauber.To avoid these disadvantages, Teroson uses a hose pack for the sealants they sell, a ring glued on the outside on one end having. This ring is threaded to connect with provided an outlet connection. The outlet connection points Knife on when screwing together from the film tube Cut out an opening in the ring. After slicing the outlet connection must be unscrewed again to remove the piece of film cut out there otherwise it would clog the outlet connection. This handling is very cumbersome and unclean.

Eine ähnlich gestaltete und und in der Handhabung ähnlich umständliche Schlauchpackung, die die im ersten Teil des Anspruchs 1 enthaltenen Merkmale aufweist, ist aus DE-A-3 500 625 bekannt.A similarly designed and similar in handling cumbersome hose pack that the in the first part of the claim 1 features contained, is from DE-A-3 500 625 known.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Behälter für eine fließfähige Substanz anzugeben, der nur eine geringe Menge an Einweg-Material enthält und dennoch einfach und sauber zu handhaben ist und eine genaue Dosierung der Substanz zuläßt.The invention is therefore based on the object of a container for a flowable substance that only one contains small amount of disposable material and yet simple and is easy to handle and an exact dosage of the substance allows.

Die erfindungsgemäße Lösung dieser Aufgabe ist in Anspruch 1 angegeben. Demnach ist der Folienschlauch mit einem Ring versehen, der eine konische Dichtfläche aufweist. Eine mit dieser zusammenwirkende ebensolche Dichtfläche umgibt eine in einer starren Kappe des Behälters angebrachte Ausbringöffnung. Zur Verwendung des Behälters wird der Folienschlauch innerhalb des Rings aufgeschnitten und dann so in ein zylindrisches Gehäuse eingesetzt, daß sich die Dichtfläche des Rings gegen die Gegenfläche der starren Kappe schiebt.The inventive solution to this problem is claimed 1 specified. Accordingly, the film tube is provided with a ring, which has a conical sealing surface. One with this cooperating sealing surface surrounds one in one Rigid cap of the discharge opening. For Using the container, the film tube is inside the Cut open and then in a cylindrical housing used that the sealing surface of the ring against the counter surface the rigid cap pushes.

Eine konische Dichtfläche hat den Vorteil, daß sich der Folienschlauch beim Einlegen in das zylindrische Gehäuse automatisch zentriert. Somit wird verhindert, daß die in dem Folienbehälter befindliche Substanz das Gehäuseinnere, insbesondere die Gleitflächen des Kolbens, verschmutzt. Der entleerte Folienbehälter läßt sich problemlos entnehmen, ohne wie bei konventionellen Behältern, bedingt durch die ausgelaufene Substanz, an der Gehäuseinnenwand zu kleben. Die dichtende Funktion des Rings gewährleistet einer präzise Dosierung der Substanz. Außerdem verhindert der Ring, daß der aufgeschnittene Folienbehälter zu weit aufreißt.A conical sealing surface has the advantage that the Foil tube automatically when inserted into the cylindrical housing centered. Consequently prevents the substance in the film container the interior of the housing, in particular the sliding surfaces of the piston, dirty. The empty film container can be easily remove without conditionally as with conventional containers due to the leaked substance on the inside wall of the housing to stick. One ensures the sealing function of the ring precise dosage of the substance. The ring also prevents that the cut film container tears open too far.

Die Maßnahmen der Ansprüche 3 bis 5 bewirken eine dichte und stabile Befestigung des Rings an dem Folienschlauch.The measures of claims 3 to 5 cause a tight and stable attachment of the ring to the film tube.

Die Weiterbildungen nach den Ansprüchen 6 bis 9 haben den Vorteil, daß die Klammer, die den Folienschlauch verschnürt und verschließt, nicht in den Ring hineinrutschen kann. Der von der Klammer zusammengeschnürte Teil des Folienschlauches läßt sich somit auf einfache Weise mit einem Seitenschneider oder einer Schere zum Öffnen des Schlauches an einer definierten Stelle abschneiden. Dabei verhindert der Ring, daß sich der Folienschlauch zu weit öffnet und der Inhalt vorzeitig ausfließt.The further developments according to claims 6 to 9 have the Advantage that the clip that ties the film tube and closes, cannot slip into the ring. The one from the Clamped part of the film tube can be thus in a simple way with a side cutter or a Scissors to open the hose at a defined point cut off. The ring prevents the film tube from becoming opens too far and the contents flow out prematurely.

Vorteilhafte Ausführungsbeispiele der Erfindung werden nachstehend anhand der Zeichnungen näher erläutert. Darin zeigt

Figur 1
einen verschlossenen Folienschlauch mit einem als Schnittbild dargestellten Ring,
Figur 2
ein Schnittbild eines Behälters, wobei der Folienschlauch aus Gründen der Anschaulichkeit nicht im Schnitt dargestellt ist,
Figur 3
eine Teilansicht eines verschlossenen Folienschlauchs mit Ring,
Figur 4
ein Schnittbild eines Behälters für eine Zweikomponenen-Substanz, und
Figur 5
den in eine Dosierpistole eingelegten Behälter für die Zweikomponenten-Substanz.
Advantageous exemplary embodiments of the invention are explained in more detail below with reference to the drawings. It shows
Figure 1
a sealed film tube with a ring shown as a sectional view,
Figure 2
3 shows a sectional view of a container, the film tube not being shown in section for reasons of clarity,
Figure 3
a partial view of a sealed film tube with ring,
Figure 4
a sectional view of a container for a two-component substance, and
Figure 5
the container for the two-component substance inserted in a dosing gun.

Gemäß Figur 1 ist ein Folienschlauch 11 an beiden Enden jeweils mit einer Klammer 12 verschlossen. An einer der beiden Stirnseiten befindet sich zwischen dem gefüllten Teil des Folienschlauchs 11 und der Klammer 12 ein Ring 20. Der Ring 20 liegt mit einer schmalen Kante 24 am Folienschlauch an. An der Kante 24 ist der Ring 20 außerdem durch Klebstoff mit dem Folienschlauch 11 verbunden. According to Figure 1 is a film tube 11 at both ends each closed with a clip 12. On one of the two End faces are between the filled part of the film tube 11 and the clip 12 a ring 20. The ring 20 lies with a narrow edge 24 on the film tube. At the Edge 24 is the ring 20 also by adhesive with the film tube 11 connected.

Der Ring 20 ist mit zwei zungenförmigen Rasten 22 versehen, die als Abstandshalter zur Klammer 12 wirken. Somit kann die Klammer 12 nicht in das Innere des Rings hineinrutschen. Dies erleichtert das Öffnen des Folienschlauchs 11 durch Abschneiden des von der Klammer 12 zusammengehaltenen, verschlossenen Teils des Folienschlauches 11. Zur bequemen Handhabung sind in dem Ring 20 im Bereich der Abstandshalter 22 Kerben 23 vorgesehen, an denen mit einer Schere oder einem Seitenschneider angesetzt werden kann, um den Folienschlauch aufzuschneiden, ohne daß die Gefahr eines Abrutschens besteht. Die Rasten 22 lassen sich federnd nach außen drücken und erlauben somit, daß der Ring 20 bei der Herstellung der Verpackung über die geschlossene Klammer 12 auf den Schlauch aufgezogen werden kann, wo er festgeklebt wird. Das Festkleben verhindert, daß sich der Ring 20 nach dem Aufschneiden vom Folienschlauch 11 löst.The ring 20 is provided with two tongue-shaped catches 22, which act as a spacer to the bracket 12. So can the clip 12 does not slide inside the ring. This makes it easier to open the film tube 11 by cutting it off the closed held together by the clip 12 Part of the film tube 11. For easy handling are notches 23 in the ring 20 in the region of the spacers 22 provided on which with scissors or a side cutter can be used to cut open the film tube, without the risk of slipping. The rest 22 can be resiliently pushed out and thus allow that the ring 20 in the manufacture of the packaging over the closed Clip 12 can be pulled onto the hose, where it's stuck. The sticking prevents the After cutting open ring 20 from film tube 11 releases.

Figur 2 zeigt den geöffneten Folienschlauch 11 in einem zylindrischen Gehäuse 31 liegend. Dabei befindet sich eine konische Dichtfläche 21 des Rings 20 in festem, dichtenden Kontakt mit einer Gegenfläche 35 einer an der Stirnseite des Gehäuses 31 vorgesehenen Kappe 33. Die Gegenfläche 35 umgibt die in einer Kappe 33 vorgesehene Ausbringöffnung 34 für die in dem Folienbehälter 11 befindliche Substanz.Figure 2 shows the opened film tube 11 in one cylindrical housing 31 lying. There is a conical one Sealing surface 21 of the ring 20 in firm, sealing contact with a counter surface 35 on the front of the housing 31 provided cap 33. The counter surface 35 surrounds the in a cap 33 provided discharge opening 34 for the in the Foil container 11 located substance.

Die Ausbringöffnung 34 ist als gekröpfter Kanal ausgeführt, der es ermöglicht, daß die Substanzen zweier nebeneinander liegender Behälter dieser Bauart in dicht nebeneinander liegenden Kanälen einem (nicht dargestellten) Mischer zugeführt werden. Die gekröpfte Anordnung des Kanals 34 ist somit bei Behältern für Mehrkomponenten-Werkstoffe vorteilhaft.The discharge opening 34 is designed as a cranked channel, which allows the substances to be juxtaposed lying container of this type in close proximity lying channels fed to a mixer (not shown) become. The cranked arrangement of the channel 34 is thus for containers advantageous for multi-component materials.

Durch Druck auf einen an der anderen Stirnseite des Behälters vorgesehenen Kolben 32 läßt sich der Inhalt des Folienschlauches 11 ausbringen. Dabei wird der Ring 20 mit seiner konischen Dichtfläche 21 gegen die Gegenfläche 35 gedrückt und verkeilt sich in der Kappe 33. Wegen der geringen Fläche der auf den Folienschlauch 11 hin zugespitzten Kante 24 wirkt außerdem ein hoher dichtender Anpreßdruck zwischen dem Ring 20 und dem Folienschlauch 11. Dadurch kann der Inhalt des Folienschlauchs 11 weder zwischen dem Ring 20 und der Kappe 33 noch zwischen dem Folienschlauch 11 und dem Ring 20 hindurch an die Gehaüseinnenwand gelangen. Der entleerte Folienschlauch, der nach Zurückziehen des Kolbens 32 aus dem Gehäuse 31 entnommen wird, ist daher außen nicht verschmutzt. Auch die Innenwand des Gehäuses 31 bleibt frei von Verunreinigungen durch den Inhalt des Folienschlauchs 11, die die Bewegung des Kolbens 32 behindern könnten.By pressing one on the other end of the container provided piston 32, the content of the film tube Spread 11. The ring 20 with his conical sealing surface 21 pressed against the counter surface 35 and wedged in the cap 33. Because of the small area of the on the film tube 11 pointed edge 24 acts also a high sealing contact pressure between the ring 20 and the film tube 11. This allows the contents of the film tube 11 neither between the ring 20 and the cap 33 nor between the film tube 11 and the ring 20 through to the Get inside the housing. The empty film tube, the after pulling the piston 32 out of the housing 31 is therefore not dirty on the outside. Even the inside wall of the Housing 31 remains free from contamination by the content of the film tube 11, which hinder the movement of the piston 32 could.

Da der Ring 20 mit dem Folienschlauch 11 verklebt ist, wird er beim Herausziehen des Folienschlauchs 11 mit entnommen. Wegwerfteile sind somit nur der Folienschlauch 11 mit den beiden Klammern 12 und dem Ring 20. Je nach gewünschter Größe der Öffnung des Schlauchs 11, läßt sich der Ring so klein wie möglich gestalten, so daß die Abfallmenge begrenzt bleibt.Since the ring 20 is glued to the film tube 11, it is removed when pulling out the film tube 11. Disposable parts are thus only the film tube 11 with the two Brackets 12 and the ring 20. Depending on the desired size of the Opening the hose 11, the ring can be as small as possible design so that the amount of waste remains limited.

Figur 3 zeigt die Teilansicht eines Folienschlauchs 11, der mit einem sehr kleinen Ring 20 versehen ist. Der Innendurchmesser dieses Rings ist kleiner als der Außendurchmesser der Klammer 12. Dies macht die Verwendung des in Figur 1 mit 22 bezeichneten Abstandshalters überflüssig. Um den Ring 20 dennoch nach dem Verschließen des Folienschlauchs 11 durch die Klammer 12 anbringen zu können, besteht er in dieser Ausführungsform aus zwei halbringförmigen Teilen 25 und 26. Beide Teile werden nach dem Anlegen an den Folienschlauch miteinander verklebt oder verklemmt. Bedingt durch das Zusammenwirken der konischen Dichtfläche 21 mit der Gegenfläche 35 werden die beiden Ringteile 25 und 26 im Gebrauch fest aneinandergedrückt, so daß die Dichtheit der Verbindung zwischen den Ringteilen 25 und 26 kein Problem darstellt.FIG. 3 shows the partial view of a film tube 11, which is provided with a very small ring 20. The inside diameter this ring is smaller than the outside diameter the bracket 12. This makes the use of the 22 in FIG designated spacer superfluous. Around the ring 20 anyway after closing the film tube 11 by the To be able to attach clip 12, it exists in this embodiment from two semi-ring-shaped parts 25 and 26. Both Parts are attached to each other after they are attached to the film tube glued or jammed. Due to the interaction of the conical sealing surface 21 with the counter surface 35 are the two Ring parts 25 and 26 pressed tightly together during use, see above that the tightness of the connection between the ring parts 25 and 26 is not a problem.

Das Fehlen des Abstandshalters bewirkt, daß der Ring 20 sehr flach ist und das Füllvolumen des Folienschlauches kaum einschränkt.The lack of the spacer causes the ring 20 is very flat and the filling volume of the film tube is hardly restricted.

Figur 4 zeigt die Explosionsdarstellung eines Behälters für ein Zweikomponenten-Substanz. Für jede der Komponenten ist ein Folienschlauch 11 vorgesehen, der wie oben beschrieben mit Klammern 12 verschlossen ist und jeweils einen Ring 20 aufweist.Figure 4 shows the exploded view of a container for a two-component substance. For each of the components is a film tube 11 is provided which, as described above Brackets 12 is closed and each has a ring 20.

Jeder der Folienschläuche 11 ist in eine von zwei zylindrischen Kammern 47, 48 eines Doppelzylinders 41 eingelegt. An einer Stirnseite des Doppelzylinders 41 ist eine Kappe 43 vorgesehen, die für jede der Gehäusekammern 47, 48 jeweils mit einer Ausbringöffnung 44, 45 versehen ist.Each of the film tubes 11 is in one of two cylindrical ones Chambers 47, 48 of a double cylinder 41 inserted. On a front face of the double cylinder 41 is provided with a cap 43, for each of the housing chambers 47, 48 with a discharge opening 44, 45 is provided.

Beide Ausbringöffnungen 44 und 45 sind als gekröpfte Kanäle ausgebildet, die dicht nebeneinanderliegend in eine Düse 50 münden. Zur Befestigung der Düse 50 an der Kappe 43 ist ein Bajonettverschluß 51, 46 vorgesehen, der jedoch auch durch einen Schraubverschluß ersetzt werden kann.Both discharge openings 44 and 45 are cranked channels formed in a nozzle 50 flow out. A bayonet catch is used to fasten the nozzle 50 to the cap 43 51, 46 provided, but also by a Screw cap can be replaced.

Für jede der Gehäusekammern 47, 48 ist ein Kolben 42 vorgesehen. Auf der dem Folienschlauch zugewandten Seite des Kolbens 42 ist dieser so profiliert, daß er Ausnehmungen im Mittelbereich für die Klammer 12 des Folienschlauchs 11 und im Umfangsbereich für die sich zusammendrückende Folie des Folienschlauchs 11 aufweist. So wird ein möglichst vollständiges Ausbringen der im Folienschlauch 11 befindlichen Substanz ermöglicht.A piston 42 is provided for each of the housing chambers 47, 48. On the side of the piston facing the film tube 42 this is profiled so that it has recesses in the central area for the clip 12 of the film tube 11 and in Circumferential area for the compressing film of the film tube 11 has. In this way, the most complete application possible of the substance located in the film tube 11.

Der in Figur 4 in zerlegtem Zustand dargestellte Behälter ist in Figur 5 zusammengesetzt und in eine Dosierpistole 60 eingelegt abgebildet.The container shown in Figure 4 in disassembled state is assembled in FIG. 5 and into a dosing gun 60 shown inlaid.

Beide Kolben 42 werden gemeinsam von einer einzigen U-förmigen Kolbenstange 62 betätigt. Der Vorschub erfolgt schrittweise durch Ziehen eines Vorschubhebels 64 gegen einen Pistolengriff 63.Both pistons 42 are jointly formed by a single U-shaped one Piston rod 62 actuated. The feed is gradual by pulling a feed lever 64 against a pistol grip 63.

Im Inneren der Düse 50 sind (nicht dargestellt) Mischerflügel angeordnet, die für eine Durchmischung der Zweikomponenten-Substanz beim Durchströmen der Düse 50 sorgen. Die Düse 50 ist somit als statischer Mischer etwa gemäß EP-A-0 378 806 ausgebildet.Inside the nozzle 50 are mixer blades (not shown) arranged for mixing the two-component substance care when flowing through the nozzle 50. The nozzle 50 is thus designed as a static mixer, for example according to EP-A-0 378 806.

Beim dargestellten Ausführungsbeispiel münden die beiden Ausbringöffnungen 44 und 45 nebeneinander in die Düse 50. Eine bessere Durchmischung der beiden Komponenten läßt sich jedoch erzielen, wenn die Kappe 43 so gestaltet ist, daß beide Ausbringöffnungen konzentrisch in die Düse 50 münden.In the illustrated embodiment, the two open Delivery openings 44 and 45 side by side in the nozzle 50. A however, better mixing of the two components can be achieved achieve if the cap 43 is designed so that both discharge openings open concentrically into the nozzle 50.

Bei aushärtenden Zweikomponenten-Substanzen ist neben den Folienschläuchen 11 und den Ringen 20 auch die Düse 50 ein Wegwerfteil. Um demgegenüber die Kappe 43 stets wiederverwenden zu können, ist es bei gleich großen Folienschläuchen 11 wie im vorliegenden Ausführungsbeispiel zweckmäßig, die Folienschläuche 11, die Gehäusekammern 47 und 48 und die beiden Hälften der Kappe 43 farblich so zu kennzeichnen, daß der Benutzer jede Komponente der Substanz stets auf der gleichen Seite der Kappe 43 anordnet. So wird vermieden, daß jede Komponente bereits innerhalb der Ausbringöffnungen 44 und 45 in Kontakt mit Resten der anderen Komponente gerät, dadurch aushärtet und die Ausbringöffnungen sowie die Düse 50 verstopft.In the case of curing two-component substances, in addition to the Foil tubes 11 and the rings 20, the nozzle 50 is a disposable part. In order to always reuse the cap 43 can, it is the same size film tubes 11 as in The present exemplary embodiment expediently, the film tubes 11, the housing chambers 47 and 48 and the two halves of the Color cap 43 so that the user each Component of the substance always on the same side of the cap 43 arranges. This will avoid having every component within the discharge openings 44 and 45 in contact with residues of the other component, thereby hardening and the discharge openings and the nozzle 50 is blocked.

Im vorliegenden Ausführungsbeispiel beträgt das Mischungsverhältnis der beiden Komponenten 1:1. Bei anderen Mischungsverhältnissen sind entsprechend unterschiedliche Durchmesser der Folienschläuche 11 notwendig. Dadurch ist ein Verwechseln auch ohne farbliche Markierung ausgeschlossen.In the present exemplary embodiment, the mixing ratio is of the two components 1: 1. With other mixing ratios are correspondingly different diameters the film tubes 11 necessary. This is a mix-up excluded even without color marking.

Claims (9)

  1. A container for flowable substances comprising
    a film tube (11) for receiving the substance,
    a cylindrical housing (31; 41) for receiving the film tube (11) between a movable piston (32; 42) and a rigid cap (33; 43), and
    a ring (20) mounted on the end of the film tube (11) facing the cap (33; 43),
    characterised in that the ring (20) has a conical sealing surface (21) and the cap (33; 43) has a conical counter surface (35) cooperating therewith and surrounding a dispensing opening (34; 44, 45) in the cap.
  2. The container of claim 1, wherein the counter surface (35) provided in the cap (33; 43) is just as conical as the sealing surface (21) provided on the ring (20).
  3. The container of claim 1 or 2, wherein the ring (20) is sealingly adhered to the film tube (11).
  4. The container of any of claims 1 to 3, wherein the ring (20) has a circumferential sealing edge (24) for forming a seal with the film tube (11).
  5. The container of claim 4, wherein the sealing edge (24) is tapered toward the film tube (11).
  6. The container of any of claims 1 to 5, wherein the film tube (11) is closed by a clip (12) and the ring (20) is provided with a spacer (22) the inner size of which is smaller than the outer size of the clip (12).
  7. The container of claim 6, wherein the spacer (22) is formed as a resilient detent which permits the ring (20) to be slid over the clip (12) onto the film tube (11) while preventing it from sliding back.
  8. The container of claim 6 or 7, wherein the spacer (22) is provided with a notch (23) at the location where the film tube (11) can be opened by cutting off the part which is closed by the clip (12).
  9. The container of any of claims 1 to 8, wherein the ring (20) is composed of two half rings (25, 26).
EP92117405A 1991-11-12 1992-10-12 Container for flowable products Expired - Lifetime EP0541972B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9114084U 1991-11-12
DE9114084 1991-11-12
DE9200521U DE9200521U1 (en) 1991-11-12 1992-01-17 Containers for flowable substances
DE9200521U 1992-01-17

Publications (2)

Publication Number Publication Date
EP0541972A1 EP0541972A1 (en) 1993-05-19
EP0541972B1 true EP0541972B1 (en) 2000-09-27

Family

ID=25958838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92117405A Expired - Lifetime EP0541972B1 (en) 1991-11-12 1992-10-12 Container for flowable products

Country Status (16)

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US (2) US5332122A (en)
EP (1) EP0541972B1 (en)
JP (1) JP3355208B2 (en)
AT (1) ATE196626T1 (en)
AU (1) AU652675B2 (en)
BR (1) BR9204356A (en)
CA (1) CA2081760C (en)
CZ (1) CZ282440B6 (en)
DE (2) DE9200521U1 (en)
DK (1) DK0541972T3 (en)
ES (1) ES2151478T3 (en)
FI (1) FI107720B (en)
HU (1) HU215250B (en)
MX (1) MX9206424A (en)
NO (1) NO924325L (en)
PL (1) PL168466B1 (en)

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US5332122A (en) 1994-07-26
JPH05246460A (en) 1993-09-24
HU9203492D0 (en) 1993-01-28
PL296406A1 (en) 1993-09-20
HU215250B (en) 1998-11-30
DE9200521U1 (en) 1993-03-25
ES2151478T3 (en) 2001-01-01
HUT66932A (en) 1995-01-30
ATE196626T1 (en) 2000-10-15
CA2081760A1 (en) 1993-05-13
CZ336592A3 (en) 1994-01-19
CZ282440B6 (en) 1997-07-16
AU652675B2 (en) 1994-09-01
DE59209868D1 (en) 2000-11-02
MX9206424A (en) 1993-06-30
FI924866A (en) 1993-05-13
AU2733692A (en) 1993-05-13
US5419460A (en) 1995-05-30
CA2081760C (en) 2007-01-09
DK0541972T3 (en) 2000-10-09
FI924866A0 (en) 1992-10-27
NO924325L (en) 1993-05-14
BR9204356A (en) 1993-05-18
EP0541972A1 (en) 1993-05-19
PL168466B1 (en) 1996-02-29
JP3355208B2 (en) 2002-12-09
NO924325D0 (en) 1992-11-10
FI107720B (en) 2001-09-28

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