EP0967160B1 - Membrane de fermeture avec soupape de surpression - Google Patents

Membrane de fermeture avec soupape de surpression Download PDF

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Publication number
EP0967160B1
EP0967160B1 EP98810578A EP98810578A EP0967160B1 EP 0967160 B1 EP0967160 B1 EP 0967160B1 EP 98810578 A EP98810578 A EP 98810578A EP 98810578 A EP98810578 A EP 98810578A EP 0967160 B1 EP0967160 B1 EP 0967160B1
Authority
EP
European Patent Office
Prior art keywords
film
openings
outer film
closing membrane
inner film
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
EP98810578A
Other languages
German (de)
English (en)
Other versions
EP0967160A1 (fr
Inventor
Claude Marbler
Jean-Paul Boudinet
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.)
3A Composites International AG
Original Assignee
Alcan Technology and Management Ltd
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
Priority to AT98810578T priority Critical patent/ATE238206T1/de
Application filed by Alcan Technology and Management Ltd filed Critical Alcan Technology and Management Ltd
Priority to EP98810578A priority patent/EP0967160B1/fr
Priority to DK98810578T priority patent/DK0967160T3/da
Priority to ES98810578T priority patent/ES2193501T3/es
Priority to DE59808070T priority patent/DE59808070D1/de
Priority to US09/328,426 priority patent/US6182850B1/en
Priority to CA002276120A priority patent/CA2276120A1/fr
Priority to BRPI9902625-2A priority patent/BR9902625B1/pt
Publication of EP0967160A1 publication Critical patent/EP0967160A1/fr
Application granted granted Critical
Publication of EP0967160B1 publication Critical patent/EP0967160B1/fr
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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet

Definitions

  • the present invention relates to a closure membrane for containers.
  • Sealing membranes can, for example, be papers or foils from metals or plastics or composite films from several identical or different Materials to be in the range of metals, plastics and papers.
  • Task of the sealing membrane is to seal the container tightly to prevent ingredients leak or substances can get into the container from the outside.
  • EP-B 0 156 404 is on a container a pressure equalization opening attached after the heat treatment by means of a is hermetically sealed by heat-fusible polymer compound.
  • This embodiment however, there is the disadvantage that the fusible polymer compound counteracts Abrasion is arranged unprotected in an exposed area and the pressure compensation opening creates a direct connection between the container interior and the surroundings.
  • EP-A-0 547 941 discloses a metallic tin can, the lid of which has a this connected domed plate has a space for receiving a fusible Limited mass. This space is with the inside of the container and with the Outside atmosphere connected via an opening. When exposed to heat, the Openings closed by the melting mass.
  • the object of the present invention is a closure membrane for containers or bags to propose, which makes it possible with a sealing or other closing process to close a container or bag and without significant pressure on the to carry out a heat treatment on the covered container or bag, the parts, which create the valve effect are arranged protected from mechanical influences.
  • the outer film can be a monofilm or a film composite, with a sealing membrane the outer film points towards the outside.
  • the inner film can be a mono film or be a film composite, with the inner film on a sealing membrane points towards the inside of the container.
  • thermoplastics for example the series of polyolefins, such as polyethylenes or polypropylene, the polyester such as polyalkylene terephthalate and in particular Polyethylene terephthalate, polyvinyl chloride, polycarbonates or polyamides.
  • Other materials in foil form, for the inner as well as the outer foil are cellophane, metal foils, like aluminum or steel foils or papers, such as coated or impregnated papers. It can also composite films or composite films made of different materials, such as metal foils and Plastic films, plastic films and paper or paper, plastic films and metal foils be applied.
  • thermoplastics also includes co-extruded polyethylene or cast Polypropylene. These plastic films are sealable.
  • the sealable plastic films can also form a composite or a composite film with other materials.
  • the co-extruded polyethylene or the cast polypropylene on a Carrier film may be arranged.
  • Monofilms or composite foils made from the Series of the thermoplastic materials mentioned are used. It is also possible to achieve the sealability of the sealing membrane by the fact that at the Surface layer on the inner film a sealing wax or a sealable thermoplastic Plastic film is arranged.
  • Reaching paper or cellophane can also be achieved, for example, with a coextruded plastic film be laminated on.
  • outer foils are foils containing or consisting of foil composites from polyesters, polyolefins, such as polypropylenes or polyethylenes, polyamides, Cellophane, aluminum foils and papers.
  • inner foils are foils containing and consisting of foil composites from polyesters, polyolefins, such as polypropylenes or polyethylenes, polyamides, Cellophane, aluminum foils and papers. Other examples are sealable films respectively. Cast polypropylene or co-extruded polyethylene films.
  • the outer film can be printed, printed, graphically Design, embossing, etc.
  • a print can be made on the outside applied print or it can be - with transparent or translucent on the outside Films or composite films - a reverse printing or a combination of printing and Counter pressure.
  • Preferred sealing layers are foils respectively.
  • Cast polypropylene or cast films coextruded polyethylenes that are laminated to the inner film or are films or Films are co-extruded plastics on aluminum, paper or cellophane or they are sealing waxes.
  • the outer and / or the inner film can in some cases have a barrier layer against the passage of gases and vapors, such as moisture, active and aromatic substances, air, oxygen, etc. contain.
  • Barrier layers can, for example, films made of EVOH, acrylonitrile copolymer-containing Foils or from thin deposited in vacuum, i.e. 5 to 500 nanometers thick, ceramic layers, for example containing silicon and / or aluminum oxides ("chemical” or "physical vapor deposition”) etc.
  • connection layer is arranged between the inner and outer film.
  • the connection layer is advantageous an adhesive based on water-based adhesives, of solvent-based adhesives, of solvent-free adhesives or a one- or two-component adhesive or are a laminating adhesive or an adhesion promoter.
  • the adhesives can e.g. Starch, protein, casein glues, cellulose ethers and cellulose esters, such as methyl cellulose or nitrocellulose, natural rubber, synthetic rubber, polyethylene, Ethylene-vinyl acetate copolymers, polypropylene, polyvinyl esters, such as polyvinyl acetates, Polyvinyl chloride homopolymers or copolymers, such as vinyl chloride and vinyl acetate or vinyl chloride and methacrylic acid ester polymers, polyvinyl ether, polyvinyl pyrrolidone, Polystyrene, polyamides, polyesters, polyurethanes, polyisocyanates, epoxy resins, phenol-5 resins, resorcinol resins such as resorcinol-formaldehyde resins and resorcinol-phenol-formaldehyde resins, Urea resins, melamine-formaldehyde resins and non-reactive resins, such
  • the adhesives can also contain plasticizers.
  • the adhesives can be solvent-free be or can be solvents, for example gasoline, toluene, xylene, methylene chloride, Trichlorethylene, trichloroethane, ethyl acetate, acetone, methyl ethyl ketone, methyl isobutyl ketone or contain cyclohexanone. It is also possible to use water-based or water-soluble adhesives to use.
  • the adhesives can also contain fillers, such as silicas, Chalk, light and heavy spar or fibrous materials.
  • Different adhesive systems can be used. For example without chemical reaction setting adhesives or solvent-free adhesive systems, in shape of hot melt adhesives or adhesive plastisols. It is also possible to find adhesive solutions whose Escape solvent before bonding, use contact adhesives or pressure sensitive adhesives. It is also possible to use glue solutions, their solvents during the gluing evaporate, use or aqueous starch and dextrin glues or other aqueous Adhesive solutions. Then there are aqueous dispersions of polymeric compounds, such as dispersion adhesives, to call. Reaction adhesives can also be used, such as polymerization adhesives, to which the two-component polymerization adhesives and include the one-part polymerization adhesives.
  • Polyaddition adhesives like reactive polyurethane adhesives, and finally polycondensation adhesives, such as polymethylol compounds, silicone adhesives or polyimides and polybezimidazoles to be named.
  • Other adhesives are starch and dextrin adhesives, polyvinyl acetate dispersion adhesives, modified starch adhesives or casein stabilized Copolymer dispersions or rubber latices or polyacrylic ester solutions or polyurethane adhesives.
  • the adhesive layer can also be an extrusion layer made of polymers, act as from polyolefins, polyamides or polyesters.
  • Suitable adhesion promoters are, for example, vinyl chloride copolymers, vinyl chloride-vinyl acetate copolymers, polymerizable polyesters, vinyl pyridine polymers, vinyl pyridine polymers in combination with epoxy resins, butadiene-acrylonitrile-methacrylic acid copolymers, Phenolic resins, rubber derivatives, acrylic resins, acrylic resins with phenol or Epoxy resins, or organosilicon compounds, such as organosilanes. To be favoured the organosilanes.
  • trialkoxysilanes with an amino functional group examples include trialkoxysilanes with epoxy functional group, trialkoxysilanes with ester functional group, trialkoxysilanes with aliphatic functional group, trialkoxysilanes with glycidoxy functional group, Trialkoxysilanes with methacryloxy functional group, and mixtures thereof.
  • organosilanes are -aminoprophyltriethoxysilane and N-b- (aminoithyl) -g-aminopropyltrimethoxysilane, g- (3,4-epoxycyclohexy) ethyl trimethoxysilane, g-glycidoxypropyl trimethoxysilane, and g-methacryloxypropyltrimethoxysilane.
  • the adhesive or adhesion promoter is preferably used as the connecting layer in an amount of 1.4 to 12 g / m2 applied.
  • the amount of adhesive is particularly preferably or Adhesion promoter from 4 to 7 g / m2.
  • the heat-softening material can, for example, be a lacquer, such as a heat-softening material Paint, be. Other examples are hotmelts, waxes and paraffins.
  • the softening and the melting point of the materials depends on the intended heat treatment of the container and can, for example, at a temperature in the range of 60 ° C. up to 130 ° C. At these temperatures, the material softening under heat should be in are in a plastic or viscous to molten state. For example, sterilization are usually carried out at 121 ° C, so softening or Melt the material a few degrees, e.g. 0.1 to 5 ° C or immediately before or at this Temperature must occur.
  • the sealing membrane has at least one opening each in the outer film and in the inner film.
  • This opening can be of any cross section, ie round, oval, polygonal, etc.
  • the openings can also be incisions, punctures or perforations.
  • the size of an opening in the outer film can have, for example, up to 0.2 mm, preferably from 0.02 to 0.2 mm and in particular 0.1 to 0.2 mm, in diameter or diagonal length.
  • the size of an opening in the inner film can, for example, have a diameter or diagonal length of up to 0.5 mm, preferably from 0.05 to 0.5 mm and in particular from 0.20 to 0.5 mm.
  • Round openings with the stated diameters are preferred .
  • Two or more, such as three, four, five, six, seven, eight, nine, etc., openings can also be arranged in the outer film and / or inner film. In the case of a plurality of openings, their diameter can be chosen to be smaller.
  • the total area of the openings in the outer film is advantageously from 0.0013 mm 2 to 0.13 mm 2 .
  • the total area of the openings in the inner film is advantageously from 0.008 mm 2 to 0.8 mm 2 .
  • the openings in the outer film and the inner film lie with respect to one Top view of the closure membrane according to the invention, not one above the other, but are horizontally offset from each other, arranged.
  • the present sealing membrane can be manufactured as a continuous material or on a roll become.
  • the continuous material or the roll goods can be processed into bags. there expediently lies on a film section for a bag at least one connection layer-free Intermediate space with the material softening under heat and the sealing seam zone can be formed by the sealed seams of the bag or by sealed seams on the bag.
  • the continuous material or the roll goods can also be used to cover e.g. mug- or bowl-shaped containers in a production process continuously on the to be covered Containers are sealed and the containers can be separated using separating seams.
  • the present sealing membrane can also be produced as a continuous material or in rolls and the sealing membranes, for example by punching out and the like become.
  • the isolated sealing membranes can be sealed onto the containers. It is also possible to manufacture the sealing membranes individually and individually Seal the container.
  • the preferred continuous or roll goods can be produced by attaching the openings the outer film and the inner film, for example by rollers, stamps or dies, the Carrying needles, cutting tools or perforating tools through punching tools high-energy radiation, such as laser beams or electron beams, heat or high-frequency heating, or chemically by selective dissolution using a solvent or by an etching process.
  • the outer films and the inner films are over the connection layer laminated against each other. Thereby remain in the area of the provided openings a space free from the materials, such as the adhesives of the connection layer. In this intermediate layer-free space becomes the material that softens when exposed to heat brought in.
  • the sequence of the application of the connection layer and the one softening when warm Materials can also be exchanged.
  • connection layer can, for example by spreading, spraying, rolling, knife coating or printing on the adhesive or Adhesion promoter by means of a printing process, such as high pressure, flexographic printing, planographic printing, Offset printing, gravure printing, screen printing, screen printing, etc. take place.
  • a printing process such as high pressure, flexographic printing, planographic printing, Offset printing, gravure printing, screen printing, screen printing, etc. take place.
  • Applying the heat softening material as described preferably also by means of one of the mentioned printing process.
  • the printing process is advantageously carried out in repeat printing, i.e. the feed of the material to be printed is e.g. through a photocell or the like controlled, which ensures that the position of the printed images to each other is always the same.
  • the outer film can be printed and / or counter-printed in a printing press prints and any print samples, such as advertising prints, product information, illustrations, Writings, patterns, graphic designs, etc. applied.
  • a needle roller or die which can be arranged in the printing press, become the openings attached to the outer film in the form of needle punctures the printing press the connection layer and the material softening when hot, such as a printing ink, as a print pattern, applied to the outer film.
  • the inner film at most with a sealing layer on the side facing the container later also provided with the openings. This can also be done using a needle roller or die respectively.
  • the outer film and the inner film are then laminated against each other. All operations can be carried out simultaneously in one device. The In particular, the process is carried out continuously and a composite film is therefore formed as roll or continuous goods.
  • the filled containers are, for example, continuously used covered with the composite film and over the edge of the container the composite film is in the repeat sealed the container. This ensures that each lid - within the Sealed seam - openings in the outer and inner foil and a space in between Has heat softening material.
  • the sealing membrane can be one Form part of a wall or at least one or all of the bag walls.
  • the inventive Sealing membranes can be used, for example, for closing and covering Containers such as cups, bottles, pots, tapestries, bowls made of plastic, glass, ceramics Metal, etc., glasses, or for forming or closing bags, soft-foil bags, Stand-up pouches etc. made of plastic films or film composites e.g. made of plastics or made of plastics and metal foils and / or paper.
  • the containers can be mixed with liquid to solid food, beverages or animal feed, etc., such as drinks, Dairy products, ready meals, animal feed etc., filled, can be used.
  • the container it is also possible to fill fermenting contents into a container and the container to be covered with the sealing membrane according to the invention.
  • the during fermentation The resulting gases can be controlled by the internal pressure in some cases Formation of the openings in the sealing membrane - emerge from the container. With Heat treatment can interrupt the fermentation and close the sealing membrane become. Thereafter, no germs, such as yeast cultures, in the Container.
  • Figures 1 to 4 illustrate an example of the present invention on a cup.
  • FIG. 1 shows a section through a container according to the invention when capping.
  • FIG. 2 shows a section through a container according to the invention during the heat treatment.
  • FIG. 3 shows a section through a container according to the invention during cooling.
  • FIG. 4 shows a top view of a container according to the invention along the section line B -B in Figure 1.
  • FIG 1 the container 10 with the intended sealing area 13 - the shoulder of the container 10 - and the closure membrane 11 shown.
  • the sealing membrane 11 has one sealing layer 14 directed against the container.
  • the closure membrane 11 has the Inner film 15 and the outer film 16.
  • the two films 15 and 16 are by the Link layer 17, e.g. an adhesive layer, bonded together.
  • the Connection layer 17 surrounds a central area, the connection layer-free space 21, completely. Fitting to, respectively. printed on, the outer layer 16 is that heat-softening material 18.
  • the heat-softening material points against the inner film 15 Material 18 a gap, respectively. is non-adherent to the inner film 15.
  • On the inner film 15 an opening 19 is provided.
  • An opening 20 is provided on the outer film 16.
  • the openings 19 and 20 are advantageously arranged offset from one another.
  • the figure 1 shows a section through the closure membrane 11 along a line A-A in FIG 4.
  • FIG. 2 shows the lidded container 10, 11 filled with the content 12.
  • the content can for example a food or feed preparation.
  • the sealing membrane 11 is tightly connected to the container 10.
  • the covered container 10, 11 is e.g. a heat treatment, such as pasteurization, exposed to sterilization or surgery.
  • the one located above the content 12 Fluid such as the gas 23 expanding under the action of heat and any from the Contents 12 escaping gaseous components and steam, can through the opening 19 in the inner foil in the direction of the arrow and can become softened by heat Material 18 or past it, clear a path and through opening 20 in 5 escape the outer film into the surrounding atmosphere.
  • FIG. 3 shows the situation when the container is subsequently cooled.
  • the trend is ambient air in the capped container 10,11 and in particular in the room where the gas 23 is drawn back.
  • the heat softening material 18 which is in a liquid to pasty state due to the effects of heat thereby through the opening 19 on the inner film 15 and hardened by cooling simultaneously.
  • the heat-softening material 18 reliably closes the opening 19.
  • it softens when it is warm and then sticks again when it cools down hardening material 18 the opening 20 in the outer film and can the inner and outer film 15, 16 glue each other.
  • the closure membrane according to the invention accordingly has Valve action in that gaseous components from the Exit the container, but when cooling down a backflow of e.g. Gases is prevented. With this e.g. no more germs get into the container.
  • FIG. 4 shows a plan view of a closure membrane 11 along a section line B-B in Figure 1.
  • the closure membrane has approximately the outline of the container below and is with a retaining tab 22 for later easy removal of the closure membrane 11 provided by the container 10.
  • the top view shows the connection layer 17, e.g. an adhesive that separates the inner and outer film from each other and is resistant to delamination combines.
  • the connection layer 17 surrounds a space which is free of connection layers 21, which in turn with the heat-softening material 18, such as one Lacquer, hot melt, paraffin, wax etc., is filled.
  • the opening 19 in the inner film and the Opening 20 in the outer film are preferably not one above the other, but are horizontal Level offset against each other. In the present example, the openings are 19, 20 not covered by the heat-softening material 18 but only surrounded.
  • the Figures 1, 2 and 3 show the container 10 and closure membrane 11 along the section line A-A.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Safety Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Laminated Bodies (AREA)
  • External Artificial Organs (AREA)

Claims (10)

  1. Membrane de fermeture (11) avec une zone de joint de scellement à sceller contre un bord de scellement (13) d'un récipient (10), la membrane de fermeture étant formée par un stratifié constitué d'un film extérieur (16), d'un film intérieur (15) et d'une couche de liaison (17) disposée entre les deux films (15, 16), caractérisée en ce qu'au moins un espace intermédiaire (21) dépourvu de couche de liaison est disposé entre le film intérieur (15) et le film extérieur (16) à l'intérieur de la zone de joint de scellement, le film intérieur (15) et le film extérieur (16) présentent chacun au moins une ouverture (19, 20) dans la région de l'espace intermédiaire (21) dépourvu de couche de liaison, les ouvertures (19) du film intérieur (15) communiquent avec les ouvertures (20) du film extérieur (16) pour le passage d'un fluide (23), et un matériau (18) ramollissant sous l'effet de la chaleur est disposé dans l'espace intermédiaire (21) dépourvu de couche de liaison de telle sorte que les ouvertures (19, 20) peuvent être fermées par le matériau (18) en appliquant de la chaleur sur la membrane de fermeture (11).
  2. Membrane de fermeture (11) selon la revendication 1, caractérisée en ce que la taille d'une ouverture (20) dans le film extérieur (16) présente un diamètre ou une longueur diagonale allant jusqu'à 0, 2 mm, de préférence de 0,02 à 0,2 mm et notamment de 0,1 à 0,2 mm.
  3. Membrane de fermeture (11) selon la revendication 1, caractérisée en ce que la taille d'une ouverture (19) dans le film intérieur (15) présente un diamètre ou une longueur diagonale allant jusqu'à 0, 5 mm, de préférence de 0,05 à 0,5 mm et notamment de 0,20 à 0,5 mm.
  4. Membrane de fermeture (11) selon la revendication 1, caractérisée en ce que les ouvertures (19, 20) sont rondes, ovales ou polygonales.
  5. Membrane de fermeture (11) selon la revendication 1, caractérisée en ce que deux ou plus de deux ouvertures (19, 20) sont respectivement disposées dans le film extérieur (16) et/ou dans le film intérieur (15).
  6. Membrane de fermeture (11) selon la revendication 1, caractérisée en ce que la superficie totale des ouvertures (20) dans le film extérieur est comprise entre 0,0013 mm2 et 0,13 mm2.
  7. Membrane de fermeture (11) selon la revendication 1, caractérisée en ce que la superficie totale des ouvertures (19) dans le film intérieur est comprise entre 0,008 mm2 et 0,8 mm2.
  8. Membrane de fermeture (11) selon la revendication 1, caractérisée en ce que les ouvertures (20) dans le film extérieur et les ouvertures (19) dans le film intérieur sont disposées en étant mutuellement décalées.
  9. Procédé de fabrication de la membrane de fermeture (11) selon la revendication 1, par traitement d'un film extérieur (16) dans une machine d'impression, opportunément par impression et/ou contre-impression du film extérieur (16) avec un modèle d'impression, puis par apport d'un film intérieur (15) et contrecollage du film extérieur (16) et du film intérieur (15) au moyen d'une couche de liaison (17),
    caractérisé en ce que des ouvertures (20) sont pratiquées sur le film extérieur (16) sous la forme de trous d'épingle au moyen d'un rouleau ou d'une matrice à aiguilles, un matériau (18) ramollissant à la chaleur est appliqué comme modèle d'impression sur le film extérieur (16), des ouvertures (19) sont pratiquées sur le film intérieur (15) au moyen d'un rouleau ou d'une matrice à aiguilles, et enfin le film extérieur (16) et le film intérieur (15) sont collés ou contrecollés l'un à l'autre.
  10. Utilisation de la membrane de fermeture (11) selon la revendication 1 comme couvercle pour des récipients sous la forme de timbales, bouteilles, pots, gobelets, coupes en matière plastique, verre, céramique ou métal, ou pour des verres, ou pour former ou fermer des sachets, des sachets en feuille souple ou des sachets à fond plat.
EP98810578A 1998-06-24 1998-06-24 Membrane de fermeture avec soupape de surpression Expired - Lifetime EP0967160B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP98810578A EP0967160B1 (fr) 1998-06-24 1998-06-24 Membrane de fermeture avec soupape de surpression
DK98810578T DK0967160T3 (da) 1998-06-24 1998-06-24 Lukkemembran med overtryksventil
ES98810578T ES2193501T3 (es) 1998-06-24 1998-06-24 Membrana de cierre con valvula de sobrepresion.
DE59808070T DE59808070D1 (de) 1998-06-24 1998-06-24 Verschlussmembrane mit Überdruckventil
AT98810578T ATE238206T1 (de) 1998-06-24 1998-06-24 Verschlussmembrane mit überdruckventil
US09/328,426 US6182850B1 (en) 1998-06-24 1999-06-09 Closure membranes
CA002276120A CA2276120A1 (fr) 1998-06-24 1999-06-21 Membranes de fermeture
BRPI9902625-2A BR9902625B1 (pt) 1998-06-24 1999-06-24 membrana de vedaÇço para um recipiente, processo para a preparaÇço da membrana de vedaÇço e aplicaÇço da membrana de vedaÇço.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98810578A EP0967160B1 (fr) 1998-06-24 1998-06-24 Membrane de fermeture avec soupape de surpression

Publications (2)

Publication Number Publication Date
EP0967160A1 EP0967160A1 (fr) 1999-12-29
EP0967160B1 true EP0967160B1 (fr) 2003-04-23

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ID=8236153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810578A Expired - Lifetime EP0967160B1 (fr) 1998-06-24 1998-06-24 Membrane de fermeture avec soupape de surpression

Country Status (8)

Country Link
US (1) US6182850B1 (fr)
EP (1) EP0967160B1 (fr)
AT (1) ATE238206T1 (fr)
BR (1) BR9902625B1 (fr)
CA (1) CA2276120A1 (fr)
DE (1) DE59808070D1 (fr)
DK (1) DK0967160T3 (fr)
ES (1) ES2193501T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036137A1 (de) * 2006-07-28 2008-01-31 Q-Bag Packaging Machinery Gmbh & Co. Kg Verpackungsbehälter
EP4342745A1 (fr) * 2022-09-20 2024-03-27 Bosch Automotive Products (Changsha) Co., Ltd. Couvercle, corps de boîte fermée, unité de transmission destinée à être utilisée dans un essuie-glace, et essuie-glace

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* Cited by examiner, † Cited by third party
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ES2193501T3 (es) 2003-11-01
EP0967160A1 (fr) 1999-12-29
DK0967160T3 (da) 2003-08-11
CA2276120A1 (fr) 1999-12-24
BR9902625A (pt) 2000-01-04
ATE238206T1 (de) 2003-05-15
BR9902625B1 (pt) 2008-11-18
US6182850B1 (en) 2001-02-06
DE59808070D1 (de) 2003-05-28

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