JP5240809B2 - SEALING DEVICE, PACKAGING FILLING DEVICE, AND SEALING METHOD - Google Patents

SEALING DEVICE, PACKAGING FILLING DEVICE, AND SEALING METHOD Download PDF

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Publication number
JP5240809B2
JP5240809B2 JP2006096859A JP2006096859A JP5240809B2 JP 5240809 B2 JP5240809 B2 JP 5240809B2 JP 2006096859 A JP2006096859 A JP 2006096859A JP 2006096859 A JP2006096859 A JP 2006096859A JP 5240809 B2 JP5240809 B2 JP 5240809B2
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Japan
Prior art keywords
laminate material
zone
packaging laminate
jaw
sealing
Prior art date
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Expired - Fee Related
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JP2006096859A
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Japanese (ja)
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JP2007269357A (en
Inventor
育幸 森山
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日本テトラパック株式会社
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Priority to JP2006096859A priority Critical patent/JP5240809B2/en
Publication of JP2007269357A publication Critical patent/JP2007269357A/en
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    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only 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
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3656—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a layer of a multilayer part to be joined, e.g. for joining plastic-metal laminates
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • B29C65/368—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic with a polymer coating
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • 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
    • B29C66/006—Preventing damaging, e.g. of the parts to be joined
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/346—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration
    • B29C66/3464—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration by preheating
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • 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
    • B29C66/7232—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
    • B29C66/72327—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 natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • 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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
    • 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
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/034—Thermal after-treatments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B29K2705/02—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)

Description

本発明は、包装材料をシールする装置、ジュースや牛乳などの液体食品などを充填する包装容器用包装充填装置及び包装材料のシール方法に関する。 The present invention relates to an apparatus for sealing a packaging material, a packaging filling apparatus for a packaging container for filling liquid food such as juice and milk, and a sealing method for the packaging material.

牛乳、ジュース、ミネラルウォーターなどの飲料、流動食品などの常温保存可能な紙包装容器は、例えば、熱可塑性材料最外層、紙基材層、導電性バリア層（例えば、アルミ箔）、ヒートシール性最内層からなる包装積層材料から得られる。   Paper packaging containers that can be stored at room temperature, such as beverages such as milk, juice, mineral water, and liquid foods, are, for example, outermost layers of thermoplastic materials, paper base layers, conductive barrier layers (for example, aluminum foil), heat sealability It is obtained from a packaging laminate material consisting of the innermost layer.

図４及び５に液体食品用紙包装容器の例を示す。
液体食品用紙包装容器には、頂面に開封部を有する紙製包装容器と、液体食品を注ぎ出すための再封止可能な開封装置を備える包装容器とがある。通常、開封装置はポリエチレン、ポリプロピレン、ポリスチレンなどのプラスチックから成形されている。
図４（Ａ）、（Ｂ）及び図５（Ａ）、（Ｂ）に液体食品用紙包装容器の例を示す。これらの包装容器は、紙容器１（図（Ａ））とプラスチック開封装置２をも含む容器１（図（Ｂ））とがある。
プラスチック開封装置２を備える紙容器１は、頂面３に、開封装置取付前の紙製包装容器の斜視図をも示す図４（Ａ）及び図５（Ａ）のように、開封部４を有する。開封部４は、容易に開封されるように、弱め線若しくはパンチ穴にフィルムが貼られたプリラミネートホール（ＰＬＨ）からなる。開封装置２は、注出口とこれを覆う再封止可能なキャップと、開封部４の外周面と接合される下面が取付面のフランジとからなる。使用（開封）時には、開封装置２が開封部４を破断して開封する。 4 and 5 show examples of liquid food paper packaging containers.
Liquid food paper packaging containers include a paper packaging container having an opening on the top surface and a packaging container having a resealable opening device for pouring out liquid food. Usually, the opening device is molded from plastics such as polyethylene, polypropylene, and polystyrene.
4A, 4B, 5A, and 5B show examples of liquid food paper packaging containers. These packaging containers include a paper container 1 (FIG. (A)) and a container 1 (FIG. (B)) that also includes a plastic opening device 2.
The paper container 1 provided with the plastic opening device 2 has an opening portion 4 on the top surface 3 as shown in FIGS. 4 (A) and 5 (A), which also show perspective views of the paper packaging container before the opening device is attached. Have. The opening part 4 consists of a pre-lamination hole (PLH) in which a film is stuck on a weakening line or a punch hole so that it can be easily opened. The unsealing device 2 includes a spout, a resealable cap that covers the spout, and a flange whose attachment surface is a lower surface joined to the outer peripheral surface of the unsealing portion 4. At the time of use (opening), the opening device 2 breaks the opening part 4 and opens it.

図３に、図４に示す包装容器を製造する装置の一例を示す。
その例に示す充填機では、紙基材層の内外層に熱可塑性材料層を有しロール状に巻かれた包装材料ウェブ３１を巻き出し、ローラにより充填機内を搬送し、滅菌剤槽３２内で包装材料ウェブを滅菌し、成形ローラ３４によりチューブ状に成形し、包装材料の両端部を重ねてオーバーラップを形成し、オーバーラップで縦線方向に縦シールエレメント３６によりチューブ縦方向にシールし、そのチューブ内に充填パイプ３５から液体食品を充填し、このチューブを包装容器１個分に相当する長さ分だけ下方に送りながら、横シール装置（図示せず）により横断方向に横シールし、同時に枕状予備成形体３７に連続的に成形し、繋がった枕状予備成形体のシール帯域の中間をナイフなどにより切断して個々の枕状予備成形体に切り離し、最終成形機３８で枕状予備成形体の上下のフラップを折り曲げて最終形態の包装充填容器３９に成形する。 FIG. 3 shows an example of an apparatus for manufacturing the packaging container shown in FIG.
In the filling machine shown in the example, the packaging material web 31 having a thermoplastic material layer on the inner and outer layers of the paper base material layer is unwound and conveyed inside the filling machine by a roller. The wrapping material web is sterilized with a forming roller 34 and formed into a tube shape. The both ends of the wrapping material are overlapped to form an overlap, and the overlap is vertically sealed in the longitudinal direction by the longitudinal seal element 36. The tube is filled with liquid food from the filling pipe 35, and the tube is horizontally sealed by a transverse seal device (not shown) while being sent downward by a length corresponding to one packaging container. At the same time, it is continuously formed into a pillow-shaped preform 37, the middle of the seal band of the connected pillow-shaped preform is cut with a knife or the like, and separated into individual pillow-shaped preforms, and finally molded. 38 is molded to the packaging filling container 39 of the final form by folding the top and bottom flaps of the pillow-shaped powder compact with.

従来、例えば、紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料を横断方向に横シールするシール装置であって、チューブ状包装積層材料の横シールすべき帯域と接触する作用面と、作用面に設けられた高周波誘導加熱用導電部材とを有するシールジョー、及びチューブ状包装積層材料の横シールすべき帯域を介して作用面と対向して横シールすべき帯域を押圧するカウンタージョーを備えるシール装置、（特許文献１参照）、及び
最内層が樹脂フィルムによって形成された包材の開封手段対応箇所（注出口）を加熱して、その最内層の樹脂フィルムを脆くし、開封手段によって注出口を開口するときに、樹脂フィルムが容易に破断させるように包装積層材料の加熱処理すべき領域を加熱処理する加熱処理手段（特許文献２参照）などがある。 2. Description of the Related Art Conventionally, for example, a sealing device that laterally seals a tubular packaging laminate material composed of a paper base layer, a conductive barrier layer, and a heat-sealable innermost layer in the transverse direction. A sealing jaw having a working surface in contact with the conductive surface and a conductive member for high-frequency induction heating provided on the working surface, and a lateral seal facing the working surface through a zone to be laterally sealed of the tubular packaging laminate material A sealing device including a counter jaw that presses the zone, (see Patent Document 1), and a portion corresponding to the opening means (spout) of the packaging material in which the innermost layer is formed of a resin film, and the innermost resin film When the opening is opened by the unsealing means, the heat treatment is performed so that the region to be heat-treated of the packaging laminate material is heated so that the resin film is easily broken. And the like means (see Patent Document 2).

しかし、上記の従来の技術では、シール装置と加熱処理手段とが別々に包装容器製造装置の中に設置され、シール加熱及び処理加熱が行われている。
そのために、煩雑な装置構造になっている。また、加熱手段・装置を制御することが難しい。 However, in the above-described conventional technology, the sealing device and the heat treatment means are separately installed in the packaging container manufacturing apparatus, and the seal heating and the treatment heating are performed.
Therefore, it has a complicated apparatus structure. Moreover, it is difficult to control the heating means / device.

特許公開２００３−１５５００５号公報Japanese Patent Publication No. 2003-155005 特開平１１−５９６３２号公報Japanese Patent Laid-Open No. 11-59632

本発明は、包装容器製造装置の中で、シール装置と加熱処理手段とを１カ所にまとめて設置し、シール加熱及び処理加熱を同時に行って、簡素な装置構造にすることができると共に、加熱手段・装置を容易に制御することができるシールする装置、包装充填装置及び包装材料のシール方法を提供することを目的とする。 The present invention is a packaging container manufacturing apparatus in which a sealing device and a heat treatment means are collectively installed in one place, and the seal heating and the treatment heating can be simultaneously performed to form a simple device structure. It is an object of the present invention to provide a sealing device, a packaging filling device, and a packaging material sealing method capable of easily controlling the means / device.

この課題を解決する本発明のシール装置は、少なくとも紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料を横断方向に横シールするシール装置であって、チューブ状包装積層材料の横シールすべき帯域と接触する作用面と、作用面に設けられた高周波誘導加熱用導電部材とを有するシールジョー、及びチューブ状包装積層材料の横シールすべき帯域を介して作用面と対向して横シールすべき帯域を押圧するカウンタージョーを備え、シールジョー及びカウンタージョーの側面には、横シールすべき帯域から離れた位置のチューブ状包装積層材料の予備加熱すべき領域を加熱する予備加熱用導電部材が配設されていることを特徴とする。 A sealing device of the present invention that solves this problem is a sealing device that laterally seals a tubular packaging laminate material comprising at least a paper base material layer, a conductive barrier layer, and a heat-sealable innermost layer in the transverse direction. A seal jaw having a working surface in contact with the zone to be laterally sealed of the packaging laminate material and a conductive member for high frequency induction heating provided on the working surface, and acts via the zone to be transversely sealed of the tubular packaging laminate material A counter jaw that presses a zone to be laterally sealed facing the surface is provided, and a region to be preheated of the tubular packaging laminate material at a position away from the zone to be laterally sealed is provided on the side surface of the seal jaw and the counter jaw. A preheating conductive member for heating is provided.

この発明の好ましい態様において、高周波誘導加熱用導電部材には、作用面から突出した突条が設けられている。 In a preferred aspect of the present invention, the conductive member for high frequency induction heating is provided with a ridge protruding from the working surface.

この発明の好ましい態様において、横シールすべき帯域に隣接する帯域に対応する作用面に溝が形成されている。 In a preferred embodiment of the present invention, a groove is formed on the working surface corresponding to the zone adjacent to the zone to be laterally sealed.

この発明の好ましい態様において、作用面の一部若しくは全部に、傾斜面を有する。 In a preferred embodiment of the present invention, a part or all of the working surface has an inclined surface.

この発明の好ましい態様において、予備加熱用導電部材と高周波誘導加熱用導電部材とが同じ高周波電源に接続されている。 In a preferred embodiment of the present invention, the preheating conductive member and the high frequency induction heating conductive member are connected to the same high frequency power source.

この発明の好ましい態様において、予備加熱用導電部材と高周波誘導加熱用導電部材とが異なる高周波電源に接続されている。 In a preferred aspect of the present invention, the preheating conductive member and the high frequency induction heating conductive member are connected to different high frequency power sources.

この発明の包装充填装置において、少なくとも紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料に流動性食品を充填し、チューブ状包装積層材料を横断方向にシール装置によって横シールして横シール帯域を形成し、横シール帯域を切断して予備形状容器を形成し、フラップを折り畳んで最終形状容器を得る包装充填装置であって、チューブ状包装積層材料の横シールすべき帯域と接触する作用面と、作用面に設けられた高周波誘導加熱用導電部材とを有するシールジョー、及びチューブ状包装積層材料の横シールすべき帯域を介して作用面と対向して横シールすべき帯域を押圧するカウンタージョーを備え、シールジョー及びカウンタージョーの側面には、横シールすべき帯域から離れた位置のチューブ状包装積層材料の予備加熱すべき領域を加熱する予備加熱用導電部材が配設されていることを特徴とする。 In the packaging and filling apparatus of the present invention, a fluid food is filled in a tube-shaped packaging laminate material comprising at least a paper base layer, a conductive barrier layer, and a heat-sealable innermost layer, and the tube-shaped packaging laminate material is sealed in the transverse direction. Is a packaging and filling device that forms a horizontal sealing zone by cutting horizontally, cuts the horizontal sealing zone to form a pre-shaped container, and folds a flap to obtain a final shaped container. A seal jaw having a working surface in contact with the zone to be cut and a conductive member for high-frequency induction heating provided on the working surface, and a side opposite to the working surface through the zone to be side-sealed of the tubular packaging laminate material A counter jaw that presses the zone to be sealed is provided. Wherein the preheating Yoshirubeden member for heating the preheating should do regions of Jo laminated packaging material is disposed.

この発明の好ましい態様において、チューブ状包装積層材料の予備加熱すべき領域が、開封容易に積層シールされた容器開口部である。 In a preferred embodiment of the present invention, the region to be preheated of the tube-shaped packaging laminated material is a container opening that is laminated and sealed easily.

この発明の好ましい態様において、チューブ状包装積層材料の予備加熱すべき領域が、折り畳まれるフラップ対応箇所である。 In a preferred embodiment of the present invention, the region to be preheated of the tubular packaging laminate material is a flap-corresponding portion to be folded.

この発明のシール方法において、少なくとも紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料を横断方向にシールジョーとカウンタージョーとを有するシール装置で横シールするシール方法であって、シールジョーの作用面をチューブ状包装積層材料の横シールすべき帯域と接触させ、チューブ状包装積層材料の横シールすべき帯域を介して作用面と対向するシールジョーのカウンタージョーで横シールすべき帯域を押圧し、作用面に設けられた高周波誘導加熱用導電部材に高周波電流を通電して横シールを形成し、横シール形成時に、シールジョー及びカウンタージョーの側面に配設された予備加熱用導電部材に、高周波電流を通電して横シールすべき帯域から離れた位置のチューブ状包装積層材料の予備加熱すべき領域を加熱することを特徴とする。 In the sealing method according to the present invention, a tubular packaging laminated material comprising at least a paper base material layer, a conductive barrier layer and a heat-sealable innermost layer is laterally sealed with a sealing device having a sealing jaw and a counter jaw in the transverse direction. A contact jaw of the sealing jaw facing the working surface through the zone to be laterally sealed of the tubular packaging laminate material. A band to be laterally sealed is pressed, and a high frequency current is applied to a conductive member for high frequency induction heating provided on the working surface to form a horizontal seal, which is disposed on the side surfaces of the seal jaw and the counter jaw when the horizontal seal is formed. and the preheating Yoshirubeden member, the position away from the band to be laterally sealed by applying a high frequency current tubular laminated packaging material Characterized by heating the 備加heat should do region.

この発明の好ましい態様において、高周波誘導加熱用導電部材に通電して横シールを形成する高周波電流と、予備加熱用導電部材に通電して予備加熱する高周波電流とが、独立して制御される。 In a preferred aspect of the present invention, the high-frequency current that energizes the high-frequency induction heating conductive member to form a horizontal seal and the high-frequency current that pre-heats by energizing the preheating conductive member are controlled independently.

以上の本発明によれば、以下の有利な効果が得られる。
この発明の横シール装置は、横シールするシールジョー及びカウンタージョーの側面には、横シールすべき帯域から離れた位置のチューブ状包装積層材料の予備加熱すべき領域を加熱する予備加熱用導電部材が配設されている。
この構成によって、包装容器製造装置の中で、シール装置と加熱処理手段とを１カ所にまとめて設置し、シール加熱及び処理加熱を同時に行って、簡素な装置構造にすることができると共に、加熱手段・装置を容易に制御することができる。
この発明の好ましい態様において、高周波誘導加熱用導電部材には、作用面から突出した突条が設けられている。
この突条によって、２枚の重ねられた包装積層材料の加熱溶融ヒートシール性最内層同士が、突条対応領域から隣接領域に押出され混合して良好な横シール帯域を形成することができる。この横シールにおける誘導加熱によって、高周波誘導加熱用導電部材から高周波磁界によて導電性バリア層にうず電流が生じ加熱して隣接するヒートシール性最内層が溶融する。 According to the present invention described above, the following advantageous effects can be obtained.
In the lateral sealing device of the present invention, a preheating conductive member that heats a region to be preheated of a tubular packaging laminate material at a position apart from a zone to be laterally sealed is provided on the side surfaces of the sealing jaw and the counter jaw to be laterally sealed. Is arranged.
With this configuration, in the packaging container manufacturing apparatus, the sealing device and the heat treatment means can be installed together in one place, and the seal heating and the treatment heating can be performed simultaneously to form a simple device structure. The means / device can be easily controlled.
In a preferred aspect of the present invention, the conductive member for high frequency induction heating is provided with a ridge protruding from the working surface.
By this protrusion, the heat-melting heat-sealable innermost layers of the two stacked packaging laminate materials are extruded and mixed from the protrusion-corresponding region to the adjacent region to form a good horizontal sealing zone. Due to the induction heating in the horizontal seal, an eddy current is generated in the conductive barrier layer by the high-frequency magnetic field from the high-frequency induction heating conductive member, and the adjacent heat-sealable innermost layer is melted.

この発明の好ましい態様において、横シールすべき帯域に隣接する帯域に対応する作用面に溝が形成されている。
上述のように、横シールにおける誘導加熱によって、高周波誘導加熱用導電部材から高周波磁界が発生し、導電性バリア層が生じ加熱して隣接するヒートシール性最内層が溶融する。この溝によって、２枚の重ねられた包装積層材料の加熱溶融ヒートシール性最内層同士が、作用面上の溝に押出され混合して良好な横シール帯域を形成することができる。
この発明の好ましい態様において、作用面の一部若しくは全部に、傾斜面を有する。
上述のように、横シールにおける誘導加熱によって、ヒートシール性最内層が溶融する。この傾斜面によって、２枚の重ねられた包装積層材料の加熱溶融ヒートシール性最内層同士が、作用面上の傾斜面を良好に混合しながら、シール領域から隣接領域に押出され、良好な横シール帯域を形成することができる。 In a preferred embodiment of the present invention, a groove is formed on the working surface corresponding to the zone adjacent to the zone to be laterally sealed.
As described above, the induction heating in the horizontal seal generates a high-frequency magnetic field from the high-frequency induction heating conductive member, and a conductive barrier layer is generated and heated to melt the adjacent heat-sealable innermost layer. With this groove, the heat-melt heat-sealable innermost layers of the two laminated packaging laminate materials can be extruded and mixed in the groove on the working surface to form a good transverse seal zone.
In a preferred embodiment of the present invention, a part or all of the working surface has an inclined surface.
As described above, the heat sealable innermost layer is melted by induction heating in the horizontal seal. With this inclined surface, the two innermost layers of the heat-sealable heat sealability of the laminated packaging laminate material are extruded from the seal region to the adjacent region while mixing the inclined surfaces on the working surface well, and good laterality is achieved. A seal zone can be formed.

この発明の好ましい態様において、予備加熱用導電部材と高周波誘導加熱用導電部材とが同じ高周波電源に接続されている。
同じ高周波電源を使用するので、より簡素な装置構造にすることができると共に、加熱手段・装置をより容易に制御することができる。
この発明の好ましい態様において、予備加熱用導電部材と高周波誘導加熱用導電部材とが異なる高周波電源に接続されている。
横シール加熱と処理加熱とは、加熱の目的及び被加熱対象とが異なるので、加熱手段・装置をそれぞれの目的に応じて最適に制御することができる。 In a preferred embodiment of the present invention, the preheating conductive member and the high frequency induction heating conductive member are connected to the same high frequency power source.
Since the same high-frequency power supply is used, a simpler device structure can be achieved, and the heating means / device can be controlled more easily.
In a preferred aspect of the present invention, the preheating conductive member and the high frequency induction heating conductive member are connected to different high frequency power sources.
Since the purpose of heating and the object to be heated are different between the horizontal seal heating and the process heating, the heating means / device can be optimally controlled according to each purpose.

この発明の包装充填装置において、包装積層材料に流動性食品を充填し、シール装置によって横シールし、切断して予備形状容器を形成し、フラップを折り畳んで最終形状容器を得、横シール装置のシールジョー及びカウンタージョーの側面には、横シールすべき帯域から離れた位置の積層材料の予備加熱すべき領域を加熱する予備加熱用導電部材が配設されている。
この構成によって、包装容器製造装置の中で、シール装置と加熱処理手段とを１カ所にまとめて設置し、シール加熱及び処理加熱を同時に行って、簡素な装置構造にすることができると共に、加熱手段・装置を容易に制御することができる。
この加熱処理によって、包装積層材料中の樹脂フィルム、樹脂層がその樹脂の特性から脆くしたり、また、加熱条件及び樹脂の種類によって包装積層材料中の樹脂フィルム、樹脂層、接着剤層などが靭性、可撓性、固さ、脆さ、伸び特性などの特性をコントロールすることができる。 In the packaging and filling apparatus of the present invention, the packaging laminate material is filled with fluid food, laterally sealed by a sealing device, cut to form a pre-shaped container, and a flap is folded to obtain a final shaped container. On the side surfaces of the sealing jaw and the counter jaw, a preheating conductive member for heating the region to be preheated of the laminated material at a position away from the zone to be laterally sealed is disposed.
With this configuration, in the packaging container manufacturing apparatus, the sealing device and the heat treatment means can be installed together in one place, and the seal heating and the treatment heating can be performed simultaneously to form a simple device structure. The means / device can be easily controlled.
By this heat treatment, the resin film and resin layer in the packaging laminate material become brittle due to the characteristics of the resin, and the resin film, resin layer, adhesive layer, etc. in the packaging laminate material depending on the heating conditions and the type of resin. Properties such as toughness, flexibility, hardness, brittleness and elongation properties can be controlled.

この発明の好ましい態様において、包装積層材料の予備加熱すべき領域が、開封容易に積層シールされた容器開口部である。
樹脂フィルムが積層された包装積層材料の開封手段対応箇所（注出口）を加熱して、その樹脂フィルムを脆くし、開封手段によって注出口を開口するときに、樹脂フィルムを容易に破断させることができる。 In a preferred embodiment of the present invention, the region to be preheated of the packaging laminate material is a container opening which is laminated and sealed easily.
Heating the portion corresponding to the opening means (spout) of the packaging laminate material laminated with the resin film to make the resin film brittle, and when opening the spout by the opening means, the resin film can be easily broken it can.

この発明の好ましい態様において、包装積層材料の予備加熱すべき領域が、折り畳まれるフラップ対応箇所である。
この発明の包装充填装置において、チューブ状包装積層材料に流動性食品を充填して横シールし、切断して予備形状容器を形成し、フラップを折り畳んで最終形状容器を得る。
最終形状容器を得る際に生じるフラップは、包装積層材料が約１８０度にまた逆に約１８０度折り曲げられ、包装積層材料の各層にストレスがかかる。そのストレスによって、積層中に割れ、ピンホール、剥離などの不都合が生じる恐れがある。この場合、このストレス負荷対応箇所が予備加熱すべき領域に対応する。
この発明の予備加熱用導電部材によって、ストレス負荷対応箇所を加熱処理して包装積層材料の可撓性、若しくは伸び特性を改善して、包装積層材料中の割れ、ピンホール、剥離などの不都合を未然に防ぐことができる。 In a preferred embodiment of the present invention, the region to be preheated of the packaging laminate material is a flap-corresponding portion to be folded.
In the packaging and filling apparatus of the present invention, the tubular packaging laminate material is filled with a flowable food, laterally sealed, cut to form a pre-shaped container, and the flap is folded to obtain a final shaped container.
The flap that occurs when obtaining the final shaped container causes the packaging laminate material to be folded about 180 degrees and conversely about 180 degrees, causing stress on each layer of the packaging laminate material. The stress may cause inconveniences such as cracks, pinholes, and peeling during lamination. In this case, this stress load corresponding location corresponds to the region to be preheated .
With the preheating conductive member of the present invention, heat- resistant portions for stress load are improved to improve the flexibility or elongation characteristics of the packaging laminate material, and there are problems such as cracks, pinholes and peeling in the packaging laminate material. It can be prevented in advance.

この発明のシール方法において、シールジョーとカウンタージョーとを有するシール装置で横シールし、横シール形成時に、シールジョー及びカウンタージョーの側面に配設された予備加熱用導電部材に、高周波電流を通電して横シールすべき帯域から離れた位置のチューブ状包装積層材料の予備加熱すべき領域を加熱する。
この構成によって、シール加熱及び処理加熱を同時に行って、加熱手段・装置を容易に制御することができる。 In the sealing method of the present invention, horizontal sealing is performed by a sealing device having a sealing jaw and a counter jaw, and a high-frequency current is applied to the preheating conductive members disposed on the side surfaces of the sealing jaw and the counter jaw when the horizontal sealing is formed. Then, the region to be preheated of the tubular packaging laminate material at a position away from the zone to be laterally sealed is heated.
With this configuration, it is possible to easily control the heating means and apparatus by simultaneously performing seal heating and processing heating.

この発明の好ましい態様において、高周波誘導加熱用導電部材に通電して横シールを形成する高周波電流と、予備加熱用導電部材に通電して予備加熱する高周波電流とが、独立して制御される。
この態様において、横シール加熱と処理加熱とは、加熱の目的及び被加熱対象とが異なるので、加熱手段・装置をそれぞれの目的に応じて最適に制御することができる。 In a preferred aspect of the present invention, the high-frequency current that energizes the high-frequency induction heating conductive member to form a horizontal seal and the high-frequency current that pre-heats by energizing the preheating conductive member are controlled independently.
In this aspect, since the horizontal seal heating and the treatment heating are different in the purpose of heating and the object to be heated, the heating means / device can be optimally controlled according to each purpose.

以下、本発明の実施の形態について図面を参照しながら詳細に説明する。
図１は、この発明による第１の態様のシール装置の外観を示す斜視図及び概略回路図である。
図２は、この発明による第２の態様のシール装置の外観を示す斜視図及び概略回路図である。
図３は、この発明に用いられる包装容器を製造する包装充填機の外観を示す斜視図である。
図４は、この発明による包装充填機で製造される包装容器例の外観図である。
図５は、この発明による包装充填機で製造される包装容器例の外観図である。
図６は、この発明によるシール装置の動作を説明する拡大断面図である。
図７は、この発明による包装充填機によって、包装容器が成形される様子を示す外観図である。
図８は、図６に示すシール装置のシール加熱及び処理加熱の動作を説明する拡大断面図である。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view and a schematic circuit diagram showing an appearance of a sealing device according to a first aspect of the present invention.
FIG. 2 is a perspective view and a schematic circuit diagram showing the appearance of the sealing device according to the second aspect of the present invention.
FIG. 3 is a perspective view showing an appearance of a packaging filling machine for producing a packaging container used in the present invention.
FIG. 4 is an external view of an example of a packaging container manufactured by the packaging filling machine according to the present invention.
FIG. 5 is an external view of an example of a packaging container manufactured by the packaging and filling machine according to the present invention.
FIG. 6 is an enlarged sectional view for explaining the operation of the sealing device according to the present invention.
FIG. 7 is an external view showing how a packaging container is formed by the packaging filling machine according to the present invention.
FIG. 8 is an enlarged cross-sectional view for explaining the operation of seal heating and treatment heating of the seal device shown in FIG.

図３に示す態様の包装充填装置は、紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料３１に流動性食品を充填し、チューブ状包装積層材料を横断方向にシール装置によって横シールして横シール帯域を形成し、横シール帯域を切断して予備形状容器３７を形成し、フラップを折り畳んで最終形状容器３９を得る。
図１に示すシールジョー（シール装置の）を備える包装充填装置は、図１に示すように、チューブ状包装積層材料の横シールすべき帯域と接触する作用面１１と、作用面１１に設けられた高周波誘導加熱用導電部材１２とを有するシールジョー１３、及びチューブ状包装積層材料の横シールすべき帯域を介して作用面と対向して横シールすべき帯域を押圧するカウンタージョー（図示せず）を備え、シールジョー１３の側面１４には、チューブ状包装積層材料の予備加熱すべき領域を加熱する予備加熱用導電部材１５が配設されている。 The packaging and filling apparatus of the embodiment shown in FIG. 3 fills a tubular packaging laminate material 31 composed of a paper base layer, a conductive barrier layer, and a heat-sealable innermost layer with a fluid food, and crosses the tubular packaging laminate material in the transverse direction. Next, a horizontal sealing zone is formed by horizontal sealing with a sealing device, the horizontal sealing zone is cut to form a preliminary shape container 37, and a flap is folded to obtain a final shape container 39.
As shown in FIG. 1, the packaging and filling device including the sealing jaw (sealing device) shown in FIG. 1 is provided on the working surface 11 and the working surface 11 that are in contact with the zone to be laterally sealed of the tubular packaging laminate material. A sealing jaw 13 having a conductive member 12 for high-frequency induction heating, and a counter jaw (not shown) that presses the zone to be laterally sealed against the working surface through the zone to be laterally sealed of the tubular packaging laminate material. ), And a preheating conductive member 15 for heating a region to be preheated of the tubular packaging laminate material is disposed on the side surface 14 of the sealing jaw 13.

図１に示すように、シールジョー１３の裏面側には、高周波電源に接続するための端子１７が設けられている。
シールジョー１３内の回路図を図１の円内に概略的に示す。高周波誘導加熱におけるコイルに相当する高周波誘導加熱用導電部材１２、１２と、予備加熱用導電部材１５とは、並列に接続され、同じ高周波電源１６に接続されている。
同じ高周波電源を使用するので、より簡素な装置構造にすることができると共に、加熱手段・装置をより容易に制御することができる。 As shown in FIG. 1, a terminal 17 for connecting to a high frequency power source is provided on the back side of the seal jaw 13.
A circuit diagram in the seal jaw 13 is schematically shown in a circle in FIG. The high-frequency induction heating conductive members 12 and 12 corresponding to coils in high-frequency induction heating and the preheating conductive member 15 are connected in parallel and connected to the same high-frequency power supply 16.
Since the same high-frequency power supply is used, a simpler device structure can be achieved, and the heating means / device can be controlled more easily.

図２に、第２の態様のシール装置のシールジョー外観を示す。チューブ状包装積層材料の横シールすべき帯域と接触する作用面１１と、作用面１１に設けられた高周波誘導加熱用導電部材１２とを有するシールジョー１３を備え、シールジョー１３の側面１４には、チューブ状包装積層材料の予備加熱すべき領域を加熱する２カ所の予備加熱用導電部材１５、１５が配設されている。
シールジョー１３の裏面側には、高周波電源に接続するための端子１７、１７が設けられている。
シールジョー１３内の回路図を図２の円内に概略的に示す。高周波誘導加熱におけるコイルに相当する高周波誘導加熱用導電部材１２、１２と、予備加熱用導電部材１５、１５とは、独立に接続され、それぞれ異なる高周波電源１６、１６に接続されている。
横シール加熱と処理加熱とは、加熱の目的及び被加熱対象とが異なるので、加熱手段・装置をそれぞれの目的に応じて最適に制御することができる。 FIG. 2 shows the appearance of the sealing jaw of the sealing device of the second aspect. A sealing jaw 13 having a working surface 11 in contact with a zone to be laterally sealed of the tubular packaging laminate material and a high-frequency induction heating conductive member 12 provided on the working surface 11 is provided. Two preheating conductive members 15 and 15 for heating the region to be preheated of the tube-shaped packaging laminate material are disposed.
On the back side of the seal jaw 13, terminals 17 and 17 for connection to a high frequency power source are provided.
A circuit diagram in the seal jaw 13 is schematically shown in a circle in FIG. The high-frequency induction heating conductive members 12 and 12 corresponding to the coils in the high-frequency induction heating and the preheating conductive members 15 and 15 are independently connected and connected to different high-frequency power sources 16 and 16, respectively.
Since the purpose of heating and the object to be heated are different between the horizontal seal heating and the process heating, the heating means / device can be optimally controlled according to each purpose.

図６、図７、及び図８を参照して、この態様のシール方法を説明する。この態様のシール方法は、紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料２１を横断方向にシールジョー１３とカウンタージョー２２とを有するシール装置２０で横シールする。
この態様では、２対のシール装置２０（ジョー１３、２２）が交互に、チューブ状包装積層材料２１を横シールしながら引き下ろし、カウンタージョー２２に内蔵されたナイフ２３で切断しする。
この態様では、１対のジョー１３、２２に接続された１対のフラップ２４、２４がチューブ状から容器形状に成形する。 The sealing method of this aspect will be described with reference to FIGS. In this sealing method, a tubular packaging laminate material 21 comprising a paper base material layer, a conductive barrier layer and a heat sealable innermost layer is transversely sealed by a sealing device 20 having a sealing jaw 13 and a counter jaw 22 in the transverse direction. To do.
In this embodiment, the two pairs of sealing devices 20 (jaws 13 and 22) alternately pull down the tubular packaging laminate material 21 while laterally sealing it, and cut it with a knife 23 built in the counter jaw 22.
In this embodiment, the pair of flaps 24, 24 connected to the pair of jaws 13, 22 are formed from a tube shape into a container shape.

図８に、図６に示す２対の横シール装置２０を更に拡大した１対の横シール装置２０を示す。この態様のシール方法では、シールジョーの作用面１１をチューブ状包装積層材料２１の横シールすべき帯域８２と接触させ、チューブ状包装積層材料の横シールすべき帯域８２を介して作用面１１と対向するシールジョーのカウンタージョー２２で横シールすべき帯域８２を押圧し、作用面１１に設けられた高周波誘導加熱用導電部材１２に高周波電流を通電して横シールを形成し、この横シール形成時に、シールジョー１３及びカウンタージョー２２の側面１４に配設された予備加熱用導電部材１５に、高周波電流を通電してチューブ状包装積層材料の予備加熱すべき領域８３を加熱する。 FIG. 8 shows a pair of lateral seal devices 20 that is a further enlargement of the two pairs of lateral seal devices 20 shown in FIG. In the sealing method of this aspect, the working surface 11 of the sealing jaw is brought into contact with the zone 82 to be laterally sealed of the tubular packaging laminate material 21, and the working surface 11 is communicated with the working surface 11 through the zone 82 to be transversely sealed of the tubular packaging laminate material. A band 82 to be laterally sealed is pressed by the counter jaw 22 of the opposing seal jaw, and a high frequency current is passed through the conductive member 12 for high frequency induction heating provided on the working surface 11 to form a horizontal seal. sometimes, the preheating Yoshirubeden member 15 disposed on the side surface 14 of the sealing jaws 13 and counter-jaw 22, and a high-frequency current heats the preheating should do region 83 of the tubular laminated packaging material.

この図８の態様では、高周波誘導加熱用導電部材１２に、作用面１１から突出した突条１２ａが設けられている。
包装積層材料２１は、紙基材層２１ａ、導電性バリア層２１ｂ及びヒートシール性最内層２１ｃからなる。この横シールにおける誘導加熱によって、高周波誘導加熱用導電部材１２から高周波磁界によて導電性バリア層２１ｂにうず電流が生じて加熱し、隣接するヒートシール性最内層２１ｃが溶融する。この突条１２ａによって、２枚の重ねられた包装積層材料２１の加熱溶融ヒートシール性最内層同士２１ｃ、２１ｃが、突条対応領域から隣接領域に押出され混合して良好な横シール帯域を形成することができる。 In the embodiment of FIG. 8, the high frequency induction heating conductive member 12 is provided with a ridge 12 a protruding from the working surface 11.
The packaging laminate material 21 includes a paper base layer 21a, a conductive barrier layer 21b, and a heat-sealable innermost layer 21c. Due to the induction heating in the horizontal seal, an eddy current is generated in the conductive barrier layer 21b by the high-frequency magnetic field from the high-frequency induction heating conductive member 12, and the adjacent heat-sealable innermost layer 21c is melted. By this ridge 12a, the heat-melt heat-sealable innermost layers 21c and 21c of the two laminated packaging laminate materials 21 are extruded and mixed from the ridge-corresponding region to the adjacent region to form a good lateral seal band. can do.

図７を用いて、高周波誘導加熱用導電部材１２と予備加熱用導電部材１５とによるシール加熱及び処理加熱を説明する。
図７は、チューブ状包装積層材料２１が予備形状容器３７に成形され（ａ）、フラップを折り畳んで（ｂ）最終形状容器を得る（ｃ）、様子を示す外観図である。
図７（ａ）は、図１に示すシールジョー１３を用いた場合のシール加熱及び処理加熱における、横シールすべき帯域８２と予備加熱すべき領域８３とを斜線で示す。
横シールすべき帯域８２と予備加熱すべき領域８３とは、高周波誘導加熱用導電部材１２と予備加熱用導電部材１５に対応する。 With reference to FIG. 7, seal heating and processing heating by the high-frequency induction heating conductive member 12 and the preheating conductive member 15 will be described.
FIG. 7 is an external view showing a state in which the tubular packaging laminate material 21 is formed into a pre-shaped container 37 (a), the flap is folded (b) to obtain a final shaped container (c).
FIG. 7A shows the zone 82 to be laterally sealed and the region 83 to be preheated by hatching in seal heating and processing heating when the seal jaw 13 shown in FIG. 1 is used.
The zone 82 to be laterally sealed and the region 83 to be preheated correspond to the high frequency induction heating conductive member 12 and the preheating conductive member 15.

この態様において、包装積層材料の予備加熱すべき領域８３は、図４及び図５の（Ａ）に示す開封容易に積層シールされた容器開口部４である。
この処理加熱によって、開封手段対応箇所（注出口）の樹脂フィルムを脆くし、開封手段によって注出口を開口するときに、樹脂フィルムを容易に破断させることができる。
包装積層材料の予備加熱すべき領域が、折り畳まれるフラップ対応箇所である態様を説明する。 In this embodiment, the region 83 of the packaging laminate material to be preheated is the container opening 4 that is easily laminated and sealed as shown in FIG. 4 and FIG.
By this treatment heating, the resin film at the location corresponding to the opening means (spout port) is made brittle, and the resin film can be easily broken when the spout is opened by the opening means.
A mode in which the region to be preheated of the packaging laminate material is a flap-corresponding portion to be folded will be described.

図２の第２の態様のシール装置は、チューブ状包装積層材料の横シールすべき帯域と接触する作用面１１と、作用面１１に設けられた高周波誘導加熱用導電部材１２とを有するシールジョー１３を備え、シールジョー１３の側面１４には、包装積層材料の予備加熱すべき領域８３を加熱する２カ所の予備加熱用導電部材１５、１５が配設されている。 The sealing device according to the second aspect of FIG. 2 includes a sealing jaw having a working surface 11 in contact with a zone to be laterally sealed of the tubular packaging laminate material, and a high-frequency induction heating conductive member 12 provided on the working surface 11. with 13, the side surface 14 of the sealing jaws 13, two positions of the preheating Yoshirubeden member 15, 15 for heating the preheated should do region 83 of the packaging laminate material is provided.

予備加熱すべき領域８３（折り畳まれるフラップ対応箇所）の一例を、図７（ｂ）に斜線で示す。
最終形状容器を得る際に生じるフラップは、包装積層材料が大きく折り曲げられ、包装積層材料の各層にストレスがかかる。そのストレスによって、積層中に割れ、ピンホール、剥離などの不都合が生じる恐れがある。予備加熱用導電部材１５によって、ストレス負荷対応箇所を加熱処理して包装積層材料の可撓性、若しくは伸び特性を改善して、包装積層材料中の割れ、ピンホール、剥離などの不都合を未然に防ぐことができる。 An example of the region 83 to be preheated (folded flap-corresponding portion) is indicated by hatching in FIG.
As for the flap generated when obtaining the final shape container, the packaging laminate material is largely bent, and stress is applied to each layer of the packaging laminate material. The stress may cause inconveniences such as cracks, pinholes, and peeling during lamination. The preheating conductive member 15 is used to heat-treat the portion corresponding to the stress load to improve the flexibility or elongation characteristics of the packaging laminate material, and to prevent inconveniences such as cracks, pinholes and peeling in the packaging laminate material. Can be prevented.

なお、本発明は前記実施の形態に限定されるものではなく、本発明の趣旨に基づいて種々変形させることが可能であり、それらを本発明の範囲から排除するものではない。 In addition, this invention is not limited to the said embodiment, It can change variously based on the meaning of this invention, and does not exclude them from the scope of the present invention.

この発明は、ジュースや牛乳などの液体食品などを充填した包装容器の製造に適用することができる。 The present invention can be applied to the manufacture of packaging containers filled with liquid foods such as juice and milk.

図１は、この発明による第１の態様のシール装置の外観を示す斜視図及び概略回路図である。FIG. 1 is a perspective view and a schematic circuit diagram showing an appearance of a sealing device according to a first aspect of the present invention. 図２は、この発明による第２の態様のシール装置の外観を示す斜視図及び概略回路図である。FIG. 2 is a perspective view and a schematic circuit diagram showing the appearance of the sealing device according to the second aspect of the present invention. 図３は、この発明に用いられる包装容器を製造する包装充填機の外観を示す斜視図である。FIG. 3 is a perspective view showing an appearance of a packaging filling machine for producing a packaging container used in the present invention. 図４は、この発明による包装充填機で製造される包装容器例の外観図である。FIG. 4 is an external view of an example of a packaging container manufactured by the packaging filling machine according to the present invention. 図５は、この発明による包装充填機で製造される包装容器例の外観図である。FIG. 5 is an external view of an example of a packaging container manufactured by the packaging and filling machine according to the present invention. 図６は、この発明によるシール装置の動作を説明する拡大断面図である。FIG. 6 is an enlarged sectional view for explaining the operation of the sealing device according to the present invention. 図７は、この発明による包装充填機によって、包装容器が成形される様子を示す外観図である。FIG. 7 is an external view showing how a packaging container is formed by the packaging filling machine according to the present invention. 図８は、図６に示すシール装置のシール加熱及び処理加熱の動作を説明する拡大断面図である。FIG. 8 is an enlarged cross-sectional view for explaining the operation of seal heating and treatment heating of the seal device shown in FIG.

１１ ・・・作用面１
１２ ・・・高周波誘導加熱用導電部材
１３ ・・・シールジョー
１４ ・・側面
１５ ・・予備加熱用導電部材
１６ ・・高周波電源 11 ... working surface 1
12... Conductive member for high frequency induction heating 13... Seal jaw 14 .. Side surface 15 .. Conductive member for preheating 16.

Claims (11)

少なくとも紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料を横断方向に横シールするシール装置であって、
チューブ状包装積層材料の横シールすべき帯域と接触する作用面と、該作用面に設けられた高周波誘導加熱用導電部材とを有するシールジョー、及び
該チューブ状包装積層材料の横シールすべき帯域を介して該作用面と対向して該横シールすべき帯域を押圧するカウンタージョーを備え、
該シールジョー及び該カウンタージョーの側面には、該横シールすべき帯域から離れた位置の該チューブ状包装積層材料の予備加熱すべき領域を加熱する予備加熱用導電部材が配設されていることを特徴とするシール装置。 A sealing device for transversely sealing in a transverse direction a tubular packaging laminate material comprising at least a paper base material layer, a conductive barrier layer and a heat-sealable innermost layer,
A sealing jaw having a working surface in contact with a zone to be laterally sealed of the tubular packaging laminate material, and a high-frequency induction heating conductive member provided on the working surface, and a zone to be transversely sealed of the tubular packaging laminate material A counter jaw for pressing the zone to be laterally sealed opposite to the working surface via
Conductive members for preheating for heating a region to be preheated of the tubular packaging laminate material at a position away from the zone to be laterally sealed are disposed on the side surfaces of the seal jaw and the counter jaw. A sealing device characterized by the above. 前記高周波誘導加熱用導電部材には、前記作用面から突出した突条が設けられている、請求項１記載のシール装置。 The sealing device according to claim 1, wherein the high-frequency induction heating conductive member is provided with a protrusion protruding from the action surface. 前記横シールすべき帯域に隣接する帯域に対応する作用面に溝が形成されている、請求項１記載のシール装置。 The sealing device according to claim 1, wherein a groove is formed on a working surface corresponding to a zone adjacent to the zone to be laterally sealed. 前記作用面の一部若しくは全部に、傾斜面を有する、請求項１記載のシール装置。 The sealing device according to claim 1, wherein a part or all of the working surface has an inclined surface. 前記予備加熱用導電部材と前記高周波誘導加熱用導電部材とが同じ高周波電源に接続されている、請求項１記載のシール装置。 The sealing device according to claim 1, wherein the preheating conductive member and the high frequency induction heating conductive member are connected to the same high frequency power source. 前記予備加熱用導電部材と前記高周波誘導加熱用導電部材とが異なる高周波電源に接続されている、請求項１記載のシール装置。 The sealing device according to claim 1, wherein the preheating conductive member and the high frequency induction heating conductive member are connected to different high frequency power sources. 少なくとも紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料に流動性食品を充填し、該チューブ状包装積層材料を横断方向にシール装置によって横シールして横シール帯域を形成し、該横シール帯域を切断して予備形状容器を形成し、フラップを折り畳んで最終形状容器を得る包装充填装置であって、
チューブ状包装積層材料の横シールすべき帯域と接触する作用面と、該作用面に設けられた高周波誘導加熱用導電部材とを有するシールジョー、及び
該チューブ状包装積層材料の横シールすべき帯域を介して該作用面と対向して該横シールすべき帯域を押圧するカウンタージョーを備え、
該シールジョー及び該カウンタージョーの側面には、該横シールすべき帯域から離れた位置の該チューブ状包装積層材料の予備加熱すべき領域を加熱する予備加熱用導電部材が配設されていることを特徴とする包装充填装置。 A tubular packaging laminate material comprising at least a paper base layer, a conductive barrier layer, and a heat-sealable innermost layer is filled with a fluid food, and the tubular packaging laminate material is transversely sealed by a sealing device in a transverse direction. A packaging and filling device for forming a zone, cutting the transverse seal zone to form a pre-shaped container, and folding a flap to obtain a final shaped container,
A sealing jaw having a working surface in contact with a zone to be laterally sealed of the tubular packaging laminate material, and a high-frequency induction heating conductive member provided on the working surface, and a zone to be transversely sealed of the tubular packaging laminate material A counter jaw for pressing the zone to be laterally sealed opposite to the working surface via
Conductive members for preheating for heating a region to be preheated of the tubular packaging laminate material at a position away from the zone to be laterally sealed are disposed on the side surfaces of the seal jaw and the counter jaw. Packing and filling device characterized by. 前記チューブ状包装積層材料の予備加熱すべき領域が、開封容易に積層シールされた容器開口部である、請求項７記載の包装充填装置。 The packaging and filling apparatus according to claim 7, wherein the region to be preheated of the tubular packaging laminate material is a container opening portion that is laminated and sealed easily for opening. 前記チューブ状包装積層材料の予備加熱すべき領域が、折り畳まれる前記フラップ対応箇所である、請求項７記載の包装充填装置。 The packaging and filling apparatus according to claim 7, wherein a region to be preheated of the tubular packaging laminate material is the flap-corresponding portion to be folded. 少なくとも紙基材層、導電性バリア層及びヒートシール性最内層からなるチューブ状包装積層材料を横断方向にシールジョーとカウンタージョーとを有するシール装置で横シールするシール方法であって、
該シールジョーの作用面をチューブ状包装積層材料の横シールすべき帯域と接触させ、該チューブ状包装積層材料の横シールすべき帯域を介して該作用面と対向する該シールジョーのカウンタージョーで横シールすべき帯域を押圧し、
該作用面に設けられた高周波誘導加熱用導電部材に高周波電流を通電して横シールを形成し、
該横シール形成時に、該シールジョー及び該カウンタージョーの側面に配設された予備加熱用導電部材に、高周波電流を通電して該横シールすべき帯域から離れた位置の該チューブ状包装積層材料の予備加熱すべき領域を加熱することを特徴とするシール方法。 A sealing method in which a tubular packaging laminate material comprising at least a paper base layer, a conductive barrier layer and a heat sealable innermost layer is laterally sealed with a sealing device having a sealing jaw and a counter jaw in the transverse direction,
A counter jaw of the sealing jaw that contacts the working surface of the tubular packaging laminate material with the working surface of the sealing jaw facing the working surface through the zone to be laterally sealed of the tubular packaging laminate material Press the zone to be sealed horizontally,
A high frequency current is passed through a conductive member for high frequency induction heating provided on the working surface to form a horizontal seal,
When the horizontal seal is formed, the tube-shaped packaging laminate material at a position away from the band to be laterally sealed by applying a high-frequency current to the preheating conductive members disposed on the side surfaces of the seal jaw and the counter jaw seals wherein heating the preheating should do region. 高周波誘導加熱用導電部材に通電して横シールを形成する高周波電流と、予備加熱用導電部材に通電して予備加熱する高周波電流とが、独立して制御される、
請求項１０記載のシール方法。 And a high frequency current to form a transverse seal by energizing the conductive member for a high-frequency induction heating, and the high-frequency current to preheat by energizing the preheating Yoshirubeden member is independently controlled,
The sealing method according to claim 10.
JP2006096859A 2006-03-31 2006-03-31 SEALING DEVICE, PACKAGING FILLING DEVICE, AND SEALING METHOD Expired - Fee Related JP5240809B2 (en)

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