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DE2246007A1 - DEVICE FOR MUTUAL SEALING OF TWO LAYERS OF THERMOPLASTIC MATERIAL ALONG A SEAM USED BY HEAT AND PRESSURE - Google Patents

DEVICE FOR MUTUAL SEALING OF TWO LAYERS OF THERMOPLASTIC MATERIAL ALONG A SEAM USED BY HEAT AND PRESSURE

Info

Publication number
DE2246007A1
DE2246007A1 DE2246007A DE2246007A DE2246007A1 DE 2246007 A1 DE2246007 A1 DE 2246007A1 DE 2246007 A DE2246007 A DE 2246007A DE 2246007 A DE2246007 A DE 2246007A DE 2246007 A1 DE2246007 A1 DE 2246007A1
Authority
DE
Germany
Prior art keywords
edge
sealing
stamp
contour
sealing edge
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.)
Pending
Application number
DE2246007A
Other languages
German (de)
Inventor
Jozef Frans Fielibert
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.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of DE2246007A1 publication Critical patent/DE2246007A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7373—Joining soiled or oxidised materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81457—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a block or layer of deformable material, e.g. sponge, foam, rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • B29C66/81611—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material by resilient material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72341—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72343—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for liquids

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Package Closures (AREA)

Description

PATENTANWÄLTEPATENT LAWYERS

DR. FRANZ LEDERER DR. ING. A. VAN DER WERTHDR. FRANZ LEDERER DR. ING. A. VAN DER WERTH

a MÜNCHEN 80a MUNICH 80

21 HAMBURC 9O ,.ucuE-GrtAHN-STR. S3 · TEL. »«Π» 47*921 HAMBURC 9O, .ucuE-GrtAHN-STR. S 3 TEL. »« Π »47 * 9

WILSTORFER 5TR. S2 · TEt. <04 II) 77 09 61 ÄAiAftnflWILSTORFER 5TR. S2 · TEt. <04 II) 77 09 61 ÄAiAftnfl

W 267W 267

München, 18. September 1972 M/MyMunich, September 18, 1972 M / My

Anmelder: Unilever N.V./ Museumpark 1, Rotterdam/NiederlandeApplicant: Unilever N.V./ Museumpark 1, Rotterdam / Netherlands

Vorrichtung zur gegenseitigen Versiegelung zweier Schichten thermoplastischen Materials entlang einer Naht mittels WärmeDevice for the mutual sealing of two layers of thermoplastic material along a seam by means of heat

und Druckand pressure

Die Erfindung betrifft eine Vorrichtung zur gegenseitigen Versiegelung zweier Schichten thermoplastischen Materials entlang einer Naht mit Hilfe von Wärme und Druck. Die Ausdrucks weise "zwei Schichten thermoplastischen Materials" soll bei ihrem jeweiligen Gebrauch in der Bedeutung verstanden v/erden, daß die beiden miteinander in Berührung kommenden Schichten aus thermoplastischem Material bestehen. Die Vorrichtung eignet sich infolge dessen auch für di'e gegenseitige Versiegelung zweier laminierter bzw. blattförmiger Materialien entlang einer Naht, sofern jedes der Materialien mit einer Beschichtung eines plastischen Materials versehen ist, also beispielsweise für die gegenseitige Versiegelung von mit einem thermoplastischen Film beschichteten Aluminiumfolien·The invention relates to a device for mutual sealing along two layers of thermoplastic material a seam with the help of heat and pressure. The way of expression "Two layers of thermoplastic material" is to be understood as meaning that the two layers of thermoplastic material in contact with one another Material. As a result, the device is also suitable for the mutual sealing of two laminated ones or sheet-like materials along a seam, provided each of the materials with a coating of a plastic Material is provided, so for example for the mutual sealing of coated with a thermoplastic film Aluminum foils

309813/0896 - 2 -309813/0896 - 2 -

DEUTCCHC IANK AO., HARtURCr 93/30813 POtTSCHECKt KAMBURC II7320DEUTCCHC IANK AO., HARtURCr 93/30813 POtTSCHECKt KAMBURC II7320 TELEOHA MM Ei LCDERERrATENT MÖNCHEN.TELEOHA MM Ei LCDERRATENT MONK.

Die Erfahrung hat gezeigt, daß bereits geringe Unregelmäßigkeiten der Schichtdicke des zu versiegelnden Materials und/oder geringe Abweichungen der Parallelität der Arbeitsflächen der Verslegelungsinstrumente, zwischen denen die zu versiegelnden Materialien eingeklemmt sind, dazu führen, daß die Nähte nicht flüssigkeits- oder gasdicht sind. Infolgedessen wurden bereits Vorschläge unterbreitet, die Arbeitsfläche eines dieser Versiegelungsinstrumente mit einer Schicht eines elastischen Materials zu versehen, die ihrerseits mit einer nachgiebigen, dünnen Metallschicht beschichtet ist, um auf diese Weise den von den Versiegelungsinstrumenten auf die Materialschichten ausgeübten Druck so gleichmäßig wie möglich zu verteilen. Eine Vorrichtung dieser Art ist beispielsweise aus der DT-PS 866 372 bekannt. ..:...Experience has shown that even minor irregularities the layer thickness of the material to be sealed and / or slight deviations in the parallelism of the work surfaces of the sealing instruments between which the to sealing materials are jammed, lead to the fact that the seams are not liquid- or gas-tight. Consequently Proposals have already been made, the work surface of one of these sealing instruments with a layer to provide an elastic material, which in turn is coated with a flexible, thin metal layer to in this way the pressure exerted by the sealing instruments on the layers of material is as uniform as possible to distribute. A device of this type is known from DT-PS 866 372, for example. ..: ...

Die oben genannte Maßnahme führt jedoch noch nicht zu zufriedenstellenden Ergebnissen, wenn die Flächen der miteinander zu verbindenden Schichten des thermoplastischen Materials durch eine flüssige oder pastose Substanz verschmutzt sind, was beispielsweise während des Verpackens einer solchen Substanz in eine aus thermoplastischen Folien bestehende Packung oder in eine aus Bögen aus thermoplastischem Material hergestellte Verpackung geschehen kann. Insbesondere bei der Verpackung von Nahrungsmitteln, die nach Schließung der Packung in dieser sterilisiert werden sollen, führt der Umstand, daß die Naht oder die Nähte nicht flüssigkeits- und gasdicht sind, zu großen Schwierigkeiten.However, the above measure does not yet lead to satisfactory results Results when the surfaces of the layers of thermoplastic material to be bonded through a liquid or pasty substance are contaminated, what for example during the packaging of such a substance in a package consisting of thermoplastic films or in a packaging made of sheets of thermoplastic material can be done. Especially when it comes to packaging of foodstuffs that are to be sterilized in this after the packaging is closed, the fact that the seam or the seams are not liquid- and gas-tight, too big trouble.

Diese bekannten Vorrichtungen zur gegenseitigen Versiegelung zweier Schichten thermoplastischen Materials entlang einer Naht mit Hilfe von Wärme und Druck mit einem Stempel, der beheizbar ist und einen bandförmigen Versiegelungsrand aufweist/ der für die Zusammenarbeit mit einem bandförmigen Versiegelung sr and eines Gegenstempels bestimmt ist, dessen Versiegelungsrand aus einem Band aus elastischem Material besteht, das These known devices for mutual sealing two layers of thermoplastic material along a seam with the help of heat and pressure with a stamp that is heatable and has a band-shaped sealing edge / which for cooperation with a band-shaped seal sr and a counterstamp is determined, the sealing edge of which consists of a band of elastic material that

309813/0896309813/0896

mit einem.nachgiebigen, dünnen Metallstreifen beschichtet ist, sind mit den oben genannten Nachteilen behaftet; erfindungsgemäß werden diese Nachteile jedoch dadurch überwunden, daß die beiden Verslegelungsrander derart zueinander versetzt sind, daß der Versiegelungsrand des Gegenstempels wegen der Exzentrizität der Versiegeiüngsrärider ' die Tendenz besitzt, sich' während der Durchführung der Versiegelung schräg zu stollen", so daß die zuäamntenärbeitenden Flächen der Versiegelungsränder weiterhin nicht-mehr parallel in einer Richtung quer zu der zu bildenden Naht liegen. Somit bildet sich wegen der Schrägstellung des Versiegelungsrands des Gegenstempels im ersten Augenblick der Durchführung der Versiegelung eine Berührungslinie zwischen den miteinander zu versiegelnden Materialschichten, die allmäglich breiter wird. Als Ergebnis dessen werden nicht nur Unregelmäßigkeiten der Dicke der miteinander zu versiegelnden Materialien und eine mögliche Abweichung der Parallelität der zusammenarbeitenden Versiegelung sr ander ausgeglichen, sondern auch möglicherweise vorliegende Verschmutzungssubstanzen werden seitwärts weggedrückt, so daß eine leckfreie Naht erreicht werden kann.coated with a flexible, thin metal strip have the disadvantages mentioned above; according to the invention However, these disadvantages are overcome in that the two sealing edges are offset from one another in such a way that the sealing edge of the counter-punch because of the eccentricity of the drainage riders' has a tendency to 'poke at an angle' while the sealing is being carried out, so that the co-workers Surfaces of the sealing edges continue to no longer lie parallel in a direction transverse to the seam to be formed. Consequently forms because of the inclination of the sealing edge of the counterstamp in the first moment of the implementation of the Sealing a line of contact between the layers of material to be sealed together, which gradually becomes wider will. As a result, there are not only irregularities in the thickness of the materials to be sealed together and a possible deviation in the parallelism of the collaborating Sealing will be compensated for, but also possibly existing pollutants pushed sideways so that a leak-free seam can be achieved.

Wenn die erfindungsgemäße Vorrichtung zum Verschließen eines gefüllten Behälters aus thermoplastischem Material, der mit einem nach außen gerichteten Randflansch im Bereich der Füllöffnung versehen, ist, mittels eines am Randflansch anzuordnenden Deckels bestimmt ist, wobei der endlose Versiegelung sr and des Gegenstempels den Behälter unter dessen Randflansch aufzunehmeis vermag und eine der Kontur des endlosen Versiegelungsrands des beheizbaren Stempels entsprechende Kontur besitzt, J.st· diese Vorrichtung weiterhin dadurch gekennzeichnet, daß die Versiegelungsränder der.Stempel koaxial, zueinander angeordnet sind,; ihre Inneren und/oder äußeren Konturen jedoch nicht zusammenfallen. Bei dieser. Bauweise ist es möglich, daß die äußere Kontur des Versiegelungs-When the device according to the invention for closing a filled container made of thermoplastic material, with an outwardly directed edge flange in the area of Filling opening is provided, by means of a to be arranged on the edge flange Lid is determined, with the endless seal sr and the counter stamp the container under it Edge flange is able to accommodate and one of the contour of the endless Sealing edge of the heatable stamp corresponding This device is further characterized in that the sealing edges of the stamp are arranged coaxially to one another; their interior and / or however, outer contours do not coincide. At this. Construction, it is possible that the outer contour of the sealing

3098 13/0896 _ 4 -3098 13/0896 _ 4 -

rands des beheizbaren Stempels kleiner ist als die äußere Kontur des Versiegelungsrands des Gegenstempels, während die innere Kontur des erstgenannten Versiegelungsrands kleiner oder gleich groß ist wie die innere Kontur des zuletzt genannten Versiegelungsrands. Jegliche Verschmutzungssubstanzen zwischen dem Randflansch des gefüllten Behälters und der Deckelkontur werden dann während der Durchführung der Versiegelung in das Innere des Behälters weggeschoben. Wenn di-es jedoch nicht beabsichtigt ist, dann empfiehlt sich erfindungsgemäß, daß die innere Kontur des Versiegelungsrands .des beheizbaren Stempels größer ist als die innere Kontur des Versiegelungsrands des Gegenstempels, während die äußere Kontur des erstgenannten Versiegelungsrands größer als oder gleich groß ist wie die äußere Kontur des zuletzt genannten Versiegelungsrands. In diesem Fall werden möglicherweise vorhandene Verschmutzungssubstanzen vom Inneren des Behälters ferngehalten.edge of the heated stamp is smaller than the outer contour of the sealing edge of the counter stamp, while the inner contour of the first-mentioned sealing edge is smaller than or equal to the inner contour of the last named sealing edge. Any pollutants between the edge flange of the filled container and the lid contour are then during implementation the seal pushed away into the interior of the container. However, if di-it is not intended, then it is recommended according to the invention that the inner contour of the sealing edge .des heated stamp is larger than the inner one Contour of the sealing edge of the counter-punch, while the outer contour of the first-mentioned sealing edge is greater than or the same size as the outer contour of the last-mentioned sealing edge. In this case it may be existing pollutants kept away from the inside of the container.

Im folgenden wird die Erfindung unter Bezugnahme auf die Zeichnungen weitergehend erläutert; es zeigen:In the following the invention is further explained with reference to the drawings; show it:

Schnitt
Fig. 1 einen/durch eine erste Ausführungsform der Vorrichtungcut
1 shows a first embodiment of the device

in offener Stellungin open position

Fig. 2 einen Schnitt entsprechend der Fig. 1 zu Beginn der Durchführung der Versiegelung und2 shows a section corresponding to FIG. 1 at the beginning of the implementation of the sealing and

Fig. 3 einen Vertikalschnitt durch eine zweite Ausführungsform, die sich für die Schließung gefüllter Behälter eignet.3 shows a vertical section through a second embodiment which is suitable for closing filled containers suitable.

Die in den Figuren 1 und 2 dargestellte Vorrichtung ist mit einem beheizbaren Stempel 1 mit einem Versiegelungsrand 2 ausgestattet, dessen Arbeitsfläche 3 eben ist. Ein Gegenstempel 4 ist mit einem Band 5 aus elastischem Material, wie beispielsweise Gummi, versehen, das einen Versiegplungsrand bildet, dessen Oberseite mit einem nachgiebigen, dünnen Streifen 6 aus Metall beschichtet ist, dessen Oberseite 7The device shown in FIGS. 1 and 2 has a heatable stamp 1 with a sealing edge 2 equipped, the work surface 3 is flat. A counter punch 4 is with a band 5 made of elastic material, such as for example rubber, which forms a sealing edge, the top of which is covered with a flexible, thin strip 6 is coated from metal, the top 7

309813/0896309813/0896

BAD ORIGINALBATH ORIGINAL

mit der Fläche 3 des beheizbaren Stempels zusammenarbeitet. Der Metallstreifen 6 kann beispielsweise an dem Band 5 aus elastischem Material aufvulkanisiert sein, das seinerseits auf den Gegenstempel 4 aufvulkanisiert sein kann.cooperates with the surface 3 of the heatable stamp. The metal strip 6 can for example be vulcanized onto the band 5 made of elastic material, which in turn can be vulcanized onto the counter punch 4.

In der offenen Stellung der Vorrichtung gemäß Fig. 1 sind · die Flächen 3 und 7 parallel zueinander.In the open position of the device according to FIG. 1, the surfaces 3 and 7 are parallel to one another.

in Der beheizbare Stempel 1 und der Gegenstempel 4 sind/einer solchen Weise gegeneinander versetzt, daß die von dem Versiegelungsrand 2 auf den Gegenstempel ausgeübte Druckkraft exzentrisch auf den Streifen 7 einwirkt. Diese Exzentrizität ist in Figur 1 mit dem Buchstaben "e" bezeichnet. Wegen dieser exzentrischen Belastung des Elastikbandes 5 tendiert der Metallstreifen 6 dazu, sich während der Durchführung der Versiegelung schräg zu stellen, wie in Figur 2 übertrieben dargestellt ist. Die Arbeitsflächen 3 und 7 verlaufen somit weiterhin während der Versiegelung nicht mehr parallel, so daß zwischen den miteinander zu versiegelnden Schichten thermoplastischen Materials 8 und 9 zuerst eine schmale Naht bewirkt wird, die allmählich breiter wird. Auf diese Weise werden jegliche Verschmutzungssubstanzen zwischen den Schichten 8 und 9 zur Seite geschoben. In Fig. 2 werden sie nach rechts verschoben.The heatable stamp 1 and the counter stamp 4 are / offset from one another in such a way that the edge of the sealing 2 pressure force exerted on the counter punch acts eccentrically on the strip 7. This eccentricity is designated in Figure 1 by the letter "e". Because of this eccentric loading of the elastic band 5 tends the metal strip 6 tends to be inclined while the sealing is being carried out, as exaggerated in FIG is shown. The work surfaces 3 and 7 thus run furthermore no longer parallel during sealing, so that between the layers to be sealed together thermoplastic material 8 and 9 a narrow seam is first effected, which gradually becomes wider. To this In this way, any pollutants between layers 8 and 9 are pushed aside. In Fig. 2 they are moved to the right.

Bei der Ausführungsform der Fig. 3 ist der heizbare obere , Stempel 10 mit einem endlosen Versiegelungsrand 11 ausge-, stattet, dessen Unteransicht dem Randflansch 12 eines gefüllten Behälters 13 entspricht, der in einem Gegenstempel 14 plaziert ist. Dieser Gegenstempel ist mit einem endlosen Versiegelungsrand 15 aus elastischem Material ausgestattet, der mit einem endlosen, nachgiebigen, dünnen Metallstreifen beschichtet ist. Der Versiegelungsrand 15 und der Metallstreifen 16 sind derart dimensioniert, daß der Streifen 16 den gefüllten Behälter 13 unter dessen Bandflansch 12 trägt. Im dargestellten Fall ist die äußere Kontur des Versiegelungsrands 11 kleiner als die äußere Kontur,In the embodiment of FIG. 3, the heatable upper stamp 10 is designed with an endless sealing edge 11, equips, the bottom view of which corresponds to the edge flange 12 of a filled container 13, which is in a counter punch 14 is placed. This counter stamp is equipped with an endless sealing edge 15 made of elastic material, which is coated with an endless, flexible, thin metal strip. The sealing edge 15 and the metal strips 16 are dimensioned in such a way that the strip 16 places the filled container 13 under its belt flange 12 carries. In the case shown, the outer contour of the sealing edge 11 is smaller than the outer contour,

30981 3/089630981 3/0896

des Streifens 16, während die innere Kontur des Versiegelungsrands 11 kleiner ist als die innere Kontur des Streifens 16.of the strip 16, while the inner contour of the sealing edge 11 is smaller than the inner contour of the strip 16.

Infolgedessen wird sich der Streifen 16 während der Durchführung der Versiegelung nach einwärts gerichtet schrägstellen, so daß jegliche, zwischen dem Randflansch 17/am Behälter 13 angeordneten Deckels 18 und dem Randflansch 12 des Behälters vorhandenen Verschmutzungssubstanzen seitwärts in das Innere des Behälters weggeschoben werden. Es ist andererseits jedoch auch möglich, solche Abmessungen für den Versiegelungsrand 11 in Hinblick auf den Versiegelungsrand 15 und den Streifen 16 zu wählen, daß der Streifen 16 sich während der Durchführung der Versiegelung nach außen gerichtet schrägstellt, so daß die Verschmutzungssubstanzen seitwärts in Richtung auf die äußere Kontur der Randflansche 12 und 17 verschoben werden.As a result, the strip 16 will slope inwardly while the seal is being performed, so that any cover 18 arranged between the edge flange 17 / on the container 13 and the edge flange 12 of the container existing soiling substances are pushed sideways into the interior of the container. It On the other hand, however, it is also possible to choose such dimensions for the sealing edge 11 with regard to the sealing edge 15 and the strip 16 that the strip 16 tilts outwardly while the seal is being carried out, so that the soiling substances sideways in the direction of the outer contour the edge flanges 12 and 17 are moved.

309813/0896 -7-309813/0896 -7-

Claims (4)

Pa te η t a η s ρ- r ü c h ePa te η t a η s ρ- r ü c h e /l.jVorrichtung zur gegenseitigen Versiegelung zweier Schichten thermoplastischen Materials entlang einer ' Naht mit Hilfe von Wärme und Druck mit einem Stempel, der beheizbar ist und einen bandförmigen Versiegelungsrändauf weist, der für die'Zusammenarbeit mit einem bandförmigen Versiegelungsrand eines Gegenstempels bestimmt ist, dessen Versiegelungsrand aus einem Band aus elastischem Material besteht, das mit einem nachgiebigen, dünnen Metallstreifen beschichtet ist, dadurch gekennzeichnet, daß die beiden Versiegelungsränder (2,5;11,15) derart zueinander versetzt sind, daß der Versiegelungsrand (5;15) des Gegenstempels (4;14) wegen der Exzentrizität der Versiegelungsrander (2,5; 11,15) die Tendenz besitzt, sich während der Durchführung der Versiegelung schrägzustellen, so daß die zusammenarbeitenden Flächen (3,7) der Versiegelungsränder (2,5;li,15) weiterhin nicht mehr parallel in einer Richtung quer zu der herzustellenden Naht liegen./l.j Device for the mutual sealing of two Layers of thermoplastic material along a 'seam with the help of heat and pressure with a stamp, which is heatable and has a band-shaped sealing edge has, for the cooperation with a band-shaped sealing edge of a counter stamp is determined, the sealing edge of which consists of a band of elastic material with is coated with a flexible, thin metal strip, characterized in that the two sealing edges (2,5; 11,15) are offset from one another in such a way that the sealing edge (5; 15) of the counter punch (4; 14) because of the eccentricity of the sealing edges (2.5; 11.15) has a tendency to tilt while the seal is being carried out, so that the cooperating Areas (3.7) of the sealing edges (2.5; left, 15) are still no longer parallel in one direction lie across the seam to be produced. 2. Vorrichtung nach Anspruch 1 zum Verschließen eines gefüllten Behälters aus thermoplastischem Material, der mit einem nach außen gerichteten Randflansch im Bereich der Füllöffnung versehen ist, mittels eines am Randflansch anzuordnenden Deckels, wobei der endlose Versiegelungsrand des Gegenstempels den Behälter unter dessen Randflansch aufzunehmen vermag 'und eine der Kontur des endlosen Versiege lungsrands des beheizbaren Stempels entsprechende Kontur besitzt, dadurch gekennzeichnet, daß die Versiegelungsränder (11,15) der Stempel (10,14) koaxial'zueinander angeordnet sind, ihre inneren und/oder äußeren Konturen jedoch nicht zusammenfallen. '2. Device according to claim 1 for closing a filled container made of thermoplastic material, which with an outwardly directed edge flange in the area of Filling opening is provided, by means of a to be arranged on the edge flange Lid, with the endless sealing edge of the counter-stamp the container under its edge flange able to absorb 'and one of the contours of the endless drying up treatment edge of the heatable stamp has a corresponding contour, characterized in that the sealing edges (11,15) the stamps (10,14) are arranged coaxially with one another, their inner and / or outer contours however do not coincide. ' 309813/0896 ~8~309813/0896 ~ 8 ~ 3» Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die äußere Kontur des Versiegelungsrands (11) des betelzbaren Stempels (JO) kleiner ist als die äußere Kontur des Versiegelungsrands (15) des Gegenstempels (14) f väh,ren4 die innere Kontur dej erstgenannten fer* siegelungsrands (11) kleiner- als oder gleich groß ist Wie die innere Kontur des l#fe»*f «|§Jiagi*ft VftFf At§4».!»fl9ff« rands (JS).3 »Device according to claim 2, characterized in that the outer contour of the sealing edge (11) of the stampable stamp (JO) is smaller than the outer contour of the sealing edge (15) of the counter-stamp (14) f väh, ren4 the inner contour of the former fer * seal edge (11) is smaller than or the same size as the inner contour of the l # fe "* f" | §Jiagi * ft VftFf At§4 ".!" fl9ff "edge (JS). 4. Vorrichtung nach Anspruch 2» dadurch gekennzeichnet, daß .die innere. K©ntu? des. VeFeJU^$i4ftHf^nMfIt IlIi #S.i beheizbaren Stempels i|0) gr-§ßff §|f ^ f|§, |§JMf§ tür des Ver.8ief,e|AH*gs,raj^ds C15> des. f eg § ηε tempei-s ist, während die äußere Kontur des erstgenannten Versiegelungsrands (JJ) gf#|#r #1§ «a#ff fItIiIl■ ffSf wie die äi*||<auFfs Kontur des zuletzt genannten lungsrands (15).4. Apparatus according to claim 2 »characterized in that .the inner. Can you do? des. VeFeJU ^ $ i4ftHf ^ nMfIt IlIi #Si heatable stamp i | 0) gr-§ßff § | f ^ f | §, | §JMf§ door of the Ver.8ief, e | AH * gs, raj ^ ds C15> des. f eg § ηε tempei-s, while the outer contour of the first-mentioned sealing edge (JJ) gf # | #r # 1§ «a # ff fItIiIl ■ ffSf like the äi * || <on the contour of the last-mentioned lungs edge ( 15). BAD ORIGtNALBAD ORIGtNAL 30 9 813/0 8 9630 9 813/0 8 96
DE2246007A 1971-09-21 1972-09-20 DEVICE FOR MUTUAL SEALING OF TWO LAYERS OF THERMOPLASTIC MATERIAL ALONG A SEAM USED BY HEAT AND PRESSURE Pending DE2246007A1 (en)

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Application Number Priority Date Filing Date Title
NL7112926A NL7112926A (en) 1971-09-21 1971-09-21

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DE2246007A1 true DE2246007A1 (en) 1973-03-29

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ID=19814062

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Country Status (7)

Country Link
JP (1) JPS4841888A (en)
CA (1) CA964975A (en)
CH (1) CH544639A (en)
DE (1) DE2246007A1 (en)
GB (1) GB1408936A (en)
IT (1) IT975028B (en)
NL (1) NL7112926A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141898A1 (en) * 1981-10-22 1983-05-11 Schweizerische Aluminium AG, 3965 Chippis Sealing process, in particular heat-sealing process and apparatus for closing filled containers
CN107921715A (en) * 2015-10-05 2018-04-17 利乐拉瓦尔集团及财务有限公司 A kind of soldering tip

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315994A (en) * 1976-07-29 1978-02-14 Nippon Totsukiyo Kanri Kk Method of sealing up thermally adhesive container
JPS5693827U (en) * 1979-12-17 1981-07-25
JPS624071A (en) * 1985-06-17 1987-01-10 東洋アルミホイルプロダクツ株式会社 Package and manufacture thereof
US9032698B2 (en) * 2011-07-07 2015-05-19 Berry Plastics Corporation Package with lid sealing system
WO2015112741A1 (en) 2014-01-22 2015-07-30 Berry Plastics Corporation Package with peelable closure
WO2016014825A1 (en) 2014-07-23 2016-01-28 Berry Plastics Corporation Package with peelable closure
CN108367504B (en) * 2015-12-18 2020-09-15 富士胶片株式会社 Manufacturing method of immunochromatography kit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141898A1 (en) * 1981-10-22 1983-05-11 Schweizerische Aluminium AG, 3965 Chippis Sealing process, in particular heat-sealing process and apparatus for closing filled containers
CN107921715A (en) * 2015-10-05 2018-04-17 利乐拉瓦尔集团及财务有限公司 A kind of soldering tip

Also Published As

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GB1408936A (en) 1975-10-08
IT975028B (en) 1974-07-20
JPS4841888A (en) 1973-06-19
CH544639A (en) 1973-11-30
CA964975A (en) 1975-03-25
NL7112926A (en) 1973-03-23

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