JP2711467B2 - 筒状容器の高周波溶着装置 - Google Patents

筒状容器の高周波溶着装置

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Publication number
JP2711467B2
JP2711467B2 JP1015087A JP1508789A JP2711467B2 JP 2711467 B2 JP2711467 B2 JP 2711467B2 JP 1015087 A JP1015087 A JP 1015087A JP 1508789 A JP1508789 A JP 1508789A JP 2711467 B2 JP2711467 B2 JP 2711467B2
Authority
JP
Japan
Prior art keywords
welding
jig
cylindrical container
lid
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP1015087A
Other languages
English (en)
Other versions
JPH02196632A (ja
Inventor
武夫 八杉
卓 市川
剛由 萩田
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.)
SPC Electronics Corp
Original Assignee
SPC Electronics Corp
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Filing date
Publication date
Application filed by SPC Electronics Corp filed Critical SPC Electronics Corp
Priority to JP1015087A priority Critical patent/JP2711467B2/ja
Publication of JPH02196632A publication Critical patent/JPH02196632A/ja
Application granted granted Critical
Publication of JP2711467B2 publication Critical patent/JP2711467B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • 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
    • 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
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • 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
    • B29C66/612—Making circumferential 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
    • B29C66/50—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
    • B29C66/63—Internally supporting the article during joining
    • 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
    • B29C66/73—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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
    • B29C66/82261—Wedges
    • 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
    • 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

Landscapes

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

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、例えばプラスチック又は紙等で形成した芯
材の片面にアルミニウム箔と熱可塑性樹脂を順次重ねて
構成した筒状容器と容器開口端に嵌合する蓋材を高周波
誘導加熱により溶着する筒状容器の高周波溶着装置に関
するものである。
［従来の技術］ 従来の此種装置としては第３図に示すように、筒状容
器Ａの開口端に凹状をした蓋材Ｂを嵌合する。一方、筒
状容器Ａの外周に高周波誘導加熱用コイルＣを組込んだ
絶縁材治具Ｄの内側にテーパー状治具Ｅを設け、このテ
ーパー状治具Ｅを蓋材Ｂに押込んで加熱溶着している。
テーパー状治具を蓋材へ押込む方法は、治具を固定
し、容器を下から突上げるか、容器を固定し治具及び加
熱コイルを押し下げる方法がとられている。いずれの場
合も溶着時に上方もしくは下方への力が容器に加わりテ
ーパー状治具の作用により溶着面に対して垂直圧力が加
わるようになっている。
［発明が解決しようとする課題］ 前記従来の装置にあっては、溶着時に溶着部分に一定
の加圧力が必要なためで、加圧力が弱いと充分な溶着効
果が得られにい。
又、溶着面に加わる力の作用は蓋材の凹状部寸法のわ
ずかなバラツキに影響されるため、凹状部寸法精度を厳
しくしなければならず、プラスチック成形品の寸法選別
が必要となり、歩留りが向上できない。
更に、蓋材の凹状部の深さ寸法が数mm〜十数mmと小さ
いため蓋材の寸法バラツキによって溶着強度が一定せ
ず、溶着不良が発生するという欠点をもっていた。
そこで、本発明はこれらの欠点を解決するために蓋材
凹状部の寸法バラツキが大きくても、常に溶着面に対し
て一定の加圧力が加わり、一定の溶着強度が得られる筒
状容器の高周波溶着装置を提供するのが目的である。
［課題を解決するための手段］ 本発明は前記目的を達成するために、芯材の片面に金
属箔と熱可塑性樹脂を順次重ねて形成した筒状容器の開
放端に、同材料で形成した凹状の蓋材を嵌入して高周波
溶着する装置において、高周波加熱コイルを筒状容器の
溶着部外周に配置し、溶着時に蓋材の凹状部内部におい
て外周方向へ移動して加圧する外周を垂直面で形成した
数個に分割された溶着用加圧治具を、蓋材の内側に位置
させた筒状容器の高周波溶着装置を提供するものであ
る。
［作用］ 本発明においては筒状容器の開放端に凹状の蓋材を嵌
合し、これを高周波加熱コイルの内側に位置させ、溶着
用加圧治具を蓋材の内側に位置させ、溶着用加圧治具を
外周側に移動させて蓋材を加圧し、筒状容器に密着さ
せ、高周波加熱コイルに高周波電流を流し、誘導加熱で
熱可塑性樹脂を溶かして溶着させる。
溶着後は溶着用加圧治具を内側へ移動させて外周径を
縮小し、筒状容器を取り去る。
［実施例］ 本発明の実施例を第1,2図に基いて詳細に説明する
と、１は円筒状の容器（以下筒状容器という）で、プラ
スチック又は紙等の芯材で形成した筒の内周にアルミニ
ウム箔等の金属箔と熱可塑性樹脂を順次重ねて構成して
いる。２は蓋材で凹状に形成し、その外周に筒状容器に
嵌合する嵌合溝部３を設け、全体をプラスチック又は紙
等の芯材で形成し、その容器側にアルミニウム箔等の金
属箔と熱可塑性樹脂を順次重ねて構成している。
４は絶縁材治具で、中央に凸形をした操作用孔５を有
し、下端部に高周波加熱コイル６を設けている。
７は溶着用加圧治具で、全体が凸形で外周が垂直面に
形成され、前記操作用孔５内に嵌入できるようになって
おり、垂直分割面8,8′,8″から数分割（実施例では３
分割）に分割（第２図参照）できるようになっている。
そして、小径部９には外周にコイルバネ10を設けて、溶
着用加圧治具７を常時縮小方向（内周方向）側に付勢し
ている。この溶着用加圧治具７の中央に加圧用孔11を設
け、この加圧用孔11の上部を上端が大径になるテーパー
面12で形成し、下端をテーパー面13で形成したピストン
棒14を嵌入できるようになっている。
本実施例は前記のように構成したもので、まずピスト
ン棒14を上方に位置させると、溶着用加圧治具７はコイ
ルバネ10の作用により中心方向へ縮む。このときの溶着
用加圧治具７の外径寸法は蓋材２の凹状部の内側寸法よ
り若干小さくなっている。
この状態で蓋材２を装着した筒状容器１を絶縁材治具
４内に挿入すると、第１図に示すように、蓋材２が溶着
用加圧治具７の外側に位置してセットされる。この後、
ピストン棒14を上方より加圧するとピストン棒14は下降
し、溶着用加圧治具７中心のテーパー状の加圧用孔11を
外側へ広げる。このため溶着用加圧治具７の外周部が蓋
材２の内周部に当って加圧を行う。この状態を維持しな
がら高周波加熱コイル６に高周波電流を流す。このとき
筒状容器１および蓋材２のアルミニウム箔部分が高周波
誘導加熱により発熱し、アルミニウム箔にコーティング
された熱可塑性樹脂が溶融する。ピストン棒14は加圧状
態を維持しているので溶融した熱可塑性樹脂は互いに交
り合い筒状容器１と蓋材２は溶着される。
尚、高周波電流を切っても溶着面が一定温度以下にな
るまで加圧は維持する必要がある。溶着面が一定温度以
下になったらピストン棒14を引き上げ筒状容器１を取り
出す。
溶着用加圧治具７は絶縁材及び導電材のどちらを用い
てもよく、溶着時の冷却効果を上げるためには水冷また
は空冷することが望ましい。
［発明の効果］ 本発明においては、溶着用加圧治具の外周寸法が蓋材
凹状部の寸法より小さくすることができるので、蓋材の
寸法精度を厳しくチェックすることなく溶着することが
可能となり、蓋材の生産歩留りを向上することができ
る。
また、溶着用加圧治具は外周側に径を拡げることがで
きるので、蓋材に多少のバラツキがあっても、容易に溶
着強度を設定することができ、かつ溶着不良をなくし、
確実、安定的に溶着を行うことができるなどの利点があ
る。
【図面の簡単な説明】
第１図は本発明に係る筒状容器の高周波溶着装置の一実
施例の断面図、第２図は溶着用加圧治具の平面図、第３
図は従来例の断面図である。 １…筒状容器、２…蓋材、３…嵌合溝部、４…絶縁材治
具、５…操作用孔、６…高周波加熱コイル、７…溶着用
加圧治具、8,8′,8″…垂直分割面、９…小径部、10…
コイルバネ、11…加圧用孔、12,13…テーパー面、14…
ピストン棒。

Claims (1)

    (57)【特許請求の範囲】
  1. 【請求項１】芯材の片面に金属箔と熱可塑性樹脂を順次
    重ねて形成した筒状容器の開放端に、同材料で形成した
    凹状の蓋材を嵌入して高周波溶着する装置において、高
    周波加熱コイルを筒状容器の溶着部外周に配置し、溶着
    時に蓋材の凹状部内部において外周方向へ移動して加圧
    する外周を垂直面で形成した数個に分割された溶着用加
    圧治具を、蓋材の内側に位置させたことを特徴とする筒
    状容器の高周波溶着装置。
JP1015087A 1989-01-26 1989-01-26 筒状容器の高周波溶着装置 Expired - Lifetime JP2711467B2 (ja)

Priority Applications (1)

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JP1015087A JP2711467B2 (ja) 1989-01-26 1989-01-26 筒状容器の高周波溶着装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1015087A JP2711467B2 (ja) 1989-01-26 1989-01-26 筒状容器の高周波溶着装置

Publications (2)

Publication Number Publication Date
JPH02196632A JPH02196632A (ja) 1990-08-03
JP2711467B2 true JP2711467B2 (ja) 1998-02-10

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Country Status (1)

Country Link
JP (1) JP2711467B2 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI120485B (fi) * 1998-05-29 2009-11-13 Lamican Oy Pakkauksenmuodostuslaite
GB0201718D0 (en) * 2002-01-25 2002-03-13 Spreckelsen Mcgeough Ltd Bottle closures
JP5393167B2 (ja) * 2009-01-13 2014-01-22 キユーピー株式会社 円柱状有底袋の製造方法及びその製造装置並びにその袋を用いたペースト状物封入円柱状有底袋食品
EP3153304B1 (en) * 2015-10-05 2019-12-11 Tetra Laval Holdings & Finance S.A. A welding head

Also Published As

Publication number Publication date
JPH02196632A (ja) 1990-08-03

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