JPS60137630A - 複合容器の製造方法 - Google Patents

複合容器の製造方法

Info

Publication number
JPS60137630A
JPS60137630A JP58247218A JP24721883A JPS60137630A JP S60137630 A JPS60137630 A JP S60137630A JP 58247218 A JP58247218 A JP 58247218A JP 24721883 A JP24721883 A JP 24721883A JP S60137630 A JPS60137630 A JP S60137630A
Authority
JP
Japan
Prior art keywords
container
high frequency
container body
packaging material
heat
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
JP58247218A
Other languages
English (en)
Inventor
Michiya Tamura
田村　道也
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.)
Hokkaican Co Ltd
Original Assignee
Hokkaican Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hokkaican Co Ltd filed Critical Hokkaican Co Ltd
Priority to JP58247218A priority Critical patent/JPS60137630A/ja
Publication of JPS60137630A publication Critical patent/JPS60137630A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements 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
    • 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
    • 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
    • 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
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2424—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain
    • B29C66/24243—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral
    • B29C66/24244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle
    • B29C66/24245—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle forming a square
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/61—Joining from or joining on the inside
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • 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
    • B29C66/81411—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • B29C66/81463—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 plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Package Closures (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は、容器本体の開口部に、プラスチック材料より
なるＯｓ材を高周波＃Ｖ導導熱熱より接合する複合容器
の製造方法に関する。
一般に、アルミ箔を内層に使用し、プラスチックフィル
ムや紙をラミネートした包材で容器胴体を形成し、これ
の底部開口を折りたーみ重合してヒートシールせしめて
容器本体を形成し、これの開口部にプラスチック口部材
を接合してなる複合容器が提案されている。このような
容器において、口部材管容器本体の開口部に接合する手
段としては、一般に熱風や熱板を用い、接合部を加熱圧
着する方法、あるいは、高周波誘導加熱によりヒートシ
ールする方法などが適用されていたが、前者は、外側か
ら加熱する手段をとるため、時間が長くか＼す、また接
合部の均一加熱が困難であることから、押圧される接合
部の容器外面が焦げたり、シール不良が生ずるなどの問
題点があった。
また、後者の高周波誘導加熱によるヒートシール手段は
、当該接合部のアルミ箔が内部発熱する加熱方式のため
、接合部の容器外面に影ｗ’を与えないという特長は認
められるが、次に述べるような重大な問題点がある。
即ち、このアルミ箔を内層として用いた複合容器＋１１
には、オノ、−図に示すように、容器胴体（）ａ）の長
手方向にそって包材の両端縁を重合接着した重合部（図
示略）と、容器胴体（／　ａ）の底部開口端を折りた＼
み重合し、ヒートシールして形成せる重合底部（／ｂ）
がある。このように構成された容器（１）。開口部１、
ｙｐ３図、示すよう５熱ｍｕ性ッ。
スチツク材料よりなる口部材（２）を仮嵌めし、この部
分を拘束、解放可能に構成され、かつ、電気絶縁性、断
熱性を有するぺ゛−クライトなどよりなる圧着具（３）
にて容器＋１１の上端開口部と口部材（２）とを拘束し
たのち、高周波コイル（４）に高周波電流を通電して高
周波誘導加熱により両者をヒートシールすると、容器＋
１１と口部材（２）の接合には何ら異常は認められない
が、容器本体の重合底部（／ｈ）において、アルミ箔が
局部的に異常加熱され、当該部が焼は焦げて異臭とピン
ホールを生じ、その容器に飲料のような液体内容物を充
填すると、内容物の異臭と当該ピンホール部から液もれ
が生ずるという問題がしばしば発生し、実用上支障をき
たしていた。
この異常原因としては種々推測されるが、一般に容器の
底構造は、２ノ、２図のように底構造はラミネート包材
が幾重に重合しているため、折り返しシール面で、内面
プラスチックフィルム同志のシール面に大きな押圧力が
作用して、当該シール面のプラスチックフィルムが肉薄
状となり、その結果重合するアルミ箔がきわめて接近す
る部分が生じ、口部材を高周波誘導加熱により接合する
際、高周波コイルに流れる高周波電流により発生した高
周波磁束が容器本体の重合底部を通過することにより、
この重合底部を発熱させ、その部分で異常加熱とそれに
よる火影れなどが起きたと推測され、高周波電流により
発生した高周波磁束による加熱の影響と、重合底部の形
成の手段の不適切さとによるものと考えられる。
しかしながら、この種容器における底の成形技術では、
底成形条件を適切にセットしようとしても、包材がアル
ミ箔、プラスチックフィルム、あるいは更に紙材を用い
たラミネート材を主体としているだけに、バラツキなく
均等に底部を形成することは不可能に近いことであり、
従って上述のような問題を解消する術がなかった。
本発明者らは、高周波誘導加熱によりヒートシ−ルを行
う際に生ずる前記問題点全解決すべく検討を進め、従来
よりも比較的周波数の低い高周波を用い、比較的長時間
をかけ、温度を低く保持してヒートシールすれば、上述
のような問題点の発生程度を比較的低くおさえることが
できることを見出したが、このような方法では、製造速
度が遅くなるという問題があり、周波数の高い高周波を
用い、短時間に高温にしてヒートシールの短縮化を図り
製造速度を高めようとすると、前記と同様の問題点が依
然として発生し、解決することができなかった。しかし
、幾多実験の結果、高周波誘導加熱によりヒートシール
を行う際、少くとも容器本体の包材が重合した部分の外
側面に金属導体を配設し、その部分を覆うことにより、
比較的周波数の高い高周波を使用しても、上記問題が発
生せず、安定した高速短時間シールが可能であることを
見出し、本発明を完成した。
オダ〜を図について本発明方法全実施するに当り使用す
る装置を説明する。１４図は高周波誘導加熱による口部
材の接着状態を示す概略図、矛３図は装置ａの斜視図、
矛６図α、ｈ、ｃは容器に対する金属板の配設状態を示
している。
才讐図に示す（／／α）ｌ（／／Ａ）は、突き合わせ面
に三角形状の切欠き（ノコα）ｌ　（／ＪＡ）　＋形成
し、両切欠き（／コα）、（ｌコｂ）によって正方形状
の容器挟着窓ａ３が形成されるようにした圧着板で、該
測圧着板（／’／→。
（／　／　句はベークライトのような電気絶縁性、耐熱
性を有する材料によって構成されている。また、一方の
圧着板（／　ｔ　Ａ）は駆動手段Ｉによって矢印方向に
移動可能に構成され、他方の圧着板（／　／　ａ）は固
定されている。Ｏ５は上記容器挟着窓０３の上面周囲を
囲うように配設された高周波コイルで、該高周波コイル
ａ９の圧着板（／／α）上に載置される部分は、この圧
着板（／／→にとりつけられ、また圧着板（／／Ａ）上
に臨む高周波コイル（１５１部分はフリーに載置されて
いる。００は容器挾□着窓０３に挿入支持された容器（
ＩＤの外側に近接して臨む金属板、Ｏ８は容器Ｑ７１の
低部外面に臨む金属板である。αうはベークライトなど
の基板である。上記両金属板αｅ、ａｓは、包材の重合
部の外側に配設するものであるが、上記容器αＤの胴部
に臨む金槁板０６１は、２２６図αに示すように、容器
（１７１の胴部の包材重合部に臨むような５字形のもの
を７個使用するか、ｂのように容器αＤの胴部側面に各
別に臨むダ枚構成とするか、Ｃのように容器αＤを囲う
角筒状と゛するものである。
しかし実用に供しうる金属板ａ０の構造は、Ａ、　ｃに
示されたものが有用である。尚上記ａ、ｈ、’ｃより上
下動する。上記実施例に基いて本発明方法を説明すると
、〕・Ｓ図に示すように、一方の可動圧着板（／／ｈ）
　ｔ−駆動手段０荀によって外側方に少し移動させ、容
器挟着窓（１３を大きく開いた状態で口部材Ｑυを嵌合
した容器（１７１をこの容器挟着窓αＪから挿入する。
次いで圧着板（／　／　Ａ）を閉じる方向に移動させ、
測圧着板（／／α）、（ｌｚＡ）にて容器αηの上部、
詳しくは、口部材Ｑυが嵌合されている＠器（１７１の
外周部を確固に挟着するとともに、口部材押え（２Ｉに
。
口部材（２ｆｌを上方が押えたのち、高周波コイルＱ５
１に高周波電流を数秒間通電することにより口部材ＱＤ
゛は容器ａＤにヒートシールせしめられる。こののち、
一方の圧着板Ｃ／／Ｉ）　’を外方に移動させるととも
に、口部材押え翰ヲ上方に退去させ、口部材（２Ｄが完
全に接着された容器顛ヲ外部にとり出す。オフ図はその
製品を示している。
本発明における包材としては、表面に熱可塑性プラスチ
ックフィルムをラミネートしたアルミ箔を内層に使用し
、外層として紙材などを併用したラミネート包材を使用
し、少くとも、容器胴形成時の内面側は熱可塑性のプラ
スチックフィルムとなるようにすることが必要である。
最内層のプラスチックフィルムとしては、ポリエチレン
、ポリプロピレン、ポリエステル、ポリカーボネート。
ナイロン、塩化ビニールなどをあげることができるが、
特にポリエチレン、ポリブレピレンが適している。また
、か＼るラミネート包材からなる容器の口部材としては
、ポリエチレン、ポリブレピレン、ポリエステル、ポリ
カーボネート、ナイロン、塩化ビニールなどのプラスチ
ック材を、単独あるいは併用して得られるものであるが
、実用的には、包材内面の内層フィルムと同一なプラス
チック成形品が好ましく、特にポリエチレン、ポリプロ
ピレンからなる口部材が適している。また、本発明に使
用する金属板としては、鉄、アルミニウム、銅などの比
透磁率が小さく、発熱して、も放熱効率の大きい金属が
適しており、特に、比透磁率がｌ十〇）の範囲で、熱伝
導度がＯｊｄｌｏｎ　拳Ｓ・ｄり以上、かつ、比熱が（
２／ｍｌｌ／　ｄす・ｙ以下の金属が好ましく、特に内
部抵抗の小さい銅がもつとも好ましい。
このように本発明によれば、高周波コイルに高周波電流
を通電し、容器に対して口部材を高周波８導加熱により
接合す仝際、包材重合部を発熱させ、異常加熱とそれに
よる火影れなどを発生させることなく焦げやピンホール
のない容器の製造がなしうる特長がある。
従って、容器本体の使用材料、底部構造、成形条件、高
周波の周波数を表Ｉに示す如く巾広く選択、でき、周波
数の高い高周波が使用し得ることから、高速、短時間シ
ールが可能となり、生産性の向上が計れるなど優れた特
長を有する。
【図面の簡単な説明】
Ｊ−／図及び１２図は一般容器の底部構造を示す斜視図
、矛Ｊｌｌｉ４は従来法の概略図、矛ダ図は本発明方法
の概略図、３・３図は本発明方法を実施する装置の一例
を示す斜視図、矛６図ａ、ｈ、ｅは金属板の配置を示す
説明図、矛り図は製品の斜視図である。 （／／ａ）、　（／／Ａ）　、、、圧着板、　（＋３１
・・・容器圧着窓、　（＋５１・・・高周波コイル、ａ
υ、０８・・・金属板、　（１７）・・・容器、−ｒ２
１）・・・口部材。 特許出願人　北海製罐株式会社

Claims (3)

    【特許請求の範囲】
  1. （１）　少くとも内層として、表面に熱可塑性プラスチ
    ックフィルムをラミネートしたアルミｉｔ−用いたラミ
    ネート包材の両側端部を重ね合わせ接合して得られた容
    器胴部の底部開口部の包材を、折りた＼み重ね合わせ接
    合し、底Ｓを形成せる容器本体の開口部に、熱可塑性プ
    ラスチック材料よりなる口部材を高周波誘導加熱により
    接合する方法において、容器本体の少くともう叱ネート
    包材が重合した部分の外面側に近接して金属導体を配設
    し二上記ロ部材と容器開口部を、高周波誘導加熱により
    接合することを特徴とする複合容器の製造方法。
  2. （２）金属導体を配設する部分が、上記口部材の接合部
    を除く容器本体の側面と底部の全面であることを特徴と
    する特許請求の範囲２１項記載の複合容器の製造方法。
  3. （３）金属導体の比透磁率がノーｌ：Ｏ７の範囲で、熱
    伝導度がｏ　ｓ　ｅｄｌ／ｍ　−Ｂ’ｗｋ　ｙ　以上、
    かつ、比熱がθ／ｄ／ｄす・！以下であることを特徴と
    する特許請求の範囲矛１項記載の複合容器の製造方法。
JP58247218A 1983-12-26 1983-12-26 複合容器の製造方法 Pending JPS60137630A (ja)

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JP58247218A JPS60137630A (ja) 1983-12-26 1983-12-26 複合容器の製造方法

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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
JPS60137630A true JPS60137630A (ja) 1985-07-22

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ID=17160199

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018001415A (ja) * 2016-06-27 2018-01-11 大日本印刷株式会社 複合容器およびその包装体の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018001415A (ja) * 2016-06-27 2018-01-11 大日本印刷株式会社 複合容器およびその包装体の製造方法

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