JPH07108554B2 - 接着方法 - Google Patents

接着方法

Info

Publication number
JPH07108554B2
JPH07108554B2 JP61105299A JP10529986A JPH07108554B2 JP H07108554 B2 JPH07108554 B2 JP H07108554B2 JP 61105299 A JP61105299 A JP 61105299A JP 10529986 A JP10529986 A JP 10529986A JP H07108554 B2 JPH07108554 B2 JP H07108554B2
Authority
JP
Japan
Prior art keywords
heat
adherend
heating
frequency induction
heating medium
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
JP61105299A
Other languages
English (en)
Other versions
JPS62261423A (ja
Inventor
孝夫 吉田
Original Assignee
株式会社新素材総合研究所
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 株式会社新素材総合研究所 filed Critical 株式会社新素材総合研究所
Priority to JP61105299A priority Critical patent/JPH07108554B2/ja
Publication of JPS62261423A publication Critical patent/JPS62261423A/ja
Publication of JPH07108554B2 publication Critical patent/JPH07108554B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • 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
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/32—Induction
    • 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
    • B29C66/004—Preventing sticking together, e.g. of some areas 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
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and 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
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • 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
    • B29C66/2422—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 circular, oval or elliptical
    • B29C66/24221—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 circular, oval or elliptical being circular
    • 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
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • 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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • 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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81262—Electrical and dielectric properties, e.g. electrical conductivity
    • B29C66/81263—Dielectric properties
    • 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
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding 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
    • B29C66/83—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
    • B29C66/70—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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29L2031/7148—Blood bags, medical bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 発明の目的 （技術分野） 本発明は、プラスチックの接着方法に関し、詳しく述べ
ると、高周波誘導加熱を利用したプラスチックの接着、
または、熱シール方法（以下、単に熱シールという）に
関するものである。すなわち、２枚以上のプラスチック
シート相互を、または、１枚以上のプラスチクシートと
一個以上の形成物とを熱接着する方法のうち、被接着物
の少なくとも一方の接着面を熱接着材料で形成し、また
は、接着面の間に熱接着性材料を挿入し、該熱接着性材
料を加熱して接着する方法に関するものである。
（先行技術） 従来、熱接着性材料を加熱して熱シール方法には、以下
の方法があった。
狭義のヒートシール インパルスシール 超音波シール 高周波誘導を利用したシール 高周波誘導を利用したシール方法であって、加熱媒
体を被接着物の部品として組込み、シールする方法 しかしながら、上記熱シール方法は表１のようなシール
性能を有するため、すなわち、各々が有用な長所を有す
る反面、欠点、例えばシール部が剥離し易かったり、被
接着物の素材の選定範囲が狭かったり、接着するために
別部品を必要としたり、シール面形状の選定範囲が狭か
ったりという欠点も有するため、被接着物がどのような
素材であっても、または、どのようなシール形状であっ
ても熱シールできるという訳ではなかった。
すなわち、シール面に、インパルスシールが困難なレベ
ルの模様が含まれていたり、凹凸が含まれていたりして
シール面が複雑な構造を有するものについては、被接着
物の素材の選定範囲の狭い熱シール方法しかないか、ま
たは、接着用に別の特別な部品を使用する必要があっ
た。そのために、本来使用すべき素材を使用できなかっ
たり、難しい成形方法を採ったり、工程の煩雑化を覚悟
の上また製品への好ましからざる部品の組込みを覚悟の
上、特別な別部品を使用したりしていた。
（発明が解決しようとする問題点） したがって、本発明は、従来の熱シール技術の有する問
題点を解決しようとするものである。すなわち、本発明
は、余分な部品を使用することなしにシール面形状の複
雑な熱シールを可能にするシール方法を提供するもので
あり、さらに本発明は、確実な熱シールを実現するため
の手段を提供することにある。
本発明が解決しようとする問題点をさらに詳しく述べる
と、被接着物の素材の選定範囲が広く、熱シール用の別
部品を使用せずに、複雑なシール面形状を有するシール
面をシール部のピンホールの発生が少なく、均一かつ確
実に、しかも、外観良く熱シールする方法を提供するこ
とにある。
発明の構成 （問題点を解決するための手段） 本発明者らは、上記の諸目的を達成すべく、熱シールの
基本原理に戻り、鋭意検討の結果、以下の３項目を満足
する加熱方法を選定すればよいことを見いだした。
被接着物を被接着部の形状に沿った形状の型で押さ
えつけたまま加熱、および、冷却することができる。
発熱体を均一に発熱することのできる面形状の選定
範囲が広い。
シール用に別部品を使用しない。
そこで、各種の加熱方法を調査し、実験を繰り返し行っ
た結果、高周波を反射及び吸収しにくく、さらに耐熱性
を有する支持体と該支持体の被接着物側に支持された高
周波誘導により発熱する加熱媒体より構成される加熱用
の型を、被接着物に直接、または、間接的に少なくとも
一方から押し付け、該加熱媒体を高周波誘導により発熱
させることによって、該熱接着性材料を加熱して該被接
着物を接着することにより、目的の熱シール性が得られ
ることを見いだし本発明に至った。
（構成の具体的な説明） 以下に、本発明を図面を参照しながら具体的に説明す
る。
第１図は、本発明の熱シール方法を有効に利用できる被
接着物の形態の一つをそのシール時の状況とともに示し
たものである。被接着物は２枚の熱可塑性樹脂より成る
シート１と該シート間に挿入された該シートと熱接着性
を有するチューブ２より構成されており、本接着方法に
より第２図のようにシート相互、および、各シートとチ
ューブがスキマ、または、ピンホールがなく接着され
る。また、第３図は、加熱用の型３の詳細図である。す
なわち、高周波を反射及び吸収しにくくかつ耐熱性を有
する素材により成り、接着部の形状に沿った凹凸６を持
つ形態を有する支持体４と該支持体の被接着物側の面に
支持された高周波誘導により発熱する被膜状の加熱媒体
５より構成されている。
本接着方法を第１図ないし第３図を利用して説明すると
次の通りである。被接着物１、および、２に、該加熱用
の型３を薄い耐熱性のシート８を介して両側から押し付
け、高周波誘導用コイル９の下を通すだけで該加熱媒体
５が発熱し、ひいては、シートが加熱・溶融し、該被接
着物を接着するものである。なお、第１図中でチューブ
の中に入っている円柱は、加熱用の金型を押し付けたと
きにチューブが潰れないように保護する芯金７であっ
て、高周波を反射及び吸収しにくい素材により形成され
ている。また、薄い耐熱性のシート８は、被接着物と加
熱用の型離れを良くするために用いたものであって、十
分な冷却後に被接着物を加熱用の型から離すのであれば
必要がないものである。
また、第４−Ａ図は、該加熱用の型３の別の形態であ
る。すなわち、加熱媒体５を支持体４に支持させる別の
方法であり、加熱媒体５はたくさんの小さな部材から成
り、第４−Ｂ図に加熱媒体が支持体に支持された部分を
拡大して示したように、各部材は支持体４の被接着物側
表面に抱持されている。また、該加熱用の型３の冷却効
率を良くするために、支持体４に冷却用の流体を流すた
めの空洞11を有するものである。
以上は、本発明を簡単に説明するために、本発明の熱接
着、または、熱シール方法を有効に利用できる接着方法
の一つを選定して説明したものであって、本発明が有効
に利用できる範囲を制限するものではない。すなわち、
２枚以上のプラスチックシート相互を、または、１枚以
上のプラスチクシートと一個以上の形成物とを熱接着す
る方法のうち、該被接着物は高周波誘導により発熱する
加熱媒体を有さず、且つその少なくとも一方の接着面を
熱接着材料で形成し、または該接着面の間に熱接着性材
料を挿入し、該熱接着性材料を加熱して接着する方法で
あって、高周波を反射及び吸収しにくく、さらに耐熱性
を有する支持体と該支持体の被接着物側に支持された高
周波誘導により発熱する加熱媒体より構成される加熱用
の型を、被接着物に直接、または、間接的に少なくとも
一方から押し付け、該加熱媒体を高周波誘導により発熱
させることによって、該熱接着性材料を加熱して該被接
着物を接着する方法であれば、その実施形態がどのよう
な形態であっても本発明の範囲に含まれるものである。
例えば、該プラスチックシートは、単層であっても多層
であっても良く、被接着物の該形成物は、プラスチック
以外にセラミック等の高周波を反射及び吸収しにくい素
材により形成されたものであっても良い。また、熱接着
性材料として、熱可塑性樹脂、熱硬化性樹脂何れの樹脂
も選定することができるし、支持体の素材としては、耐
熱性を有する必要があるといっても、加熱媒体の温度上
昇により変形等を生ずることなく元の形態を保っていれ
ば良く、非磁性のセラミック、または、耐熱性のプラス
チックはもちろんのこと、熱接着性材料の選定によって
は、一般のエンジニアリング樹脂、例えば、ポリカーボ
ネート樹脂等も選定できる。さらに、加熱媒体の素材と
しては、鉄、ニッケル等の磁性を有する金属、および、
それらの含有物、ならびに、磁性鉄等の非金属磁性材
料、および、それらの含有物を選定できるし、それら
の、支持体への支持方法は、前記以外にも各種の方法が
考えられる。
（実施例） 以下に、本発明を実施例に基づきさらに詳細に説明す
る。
第１図において、２枚のポリエチレン樹脂より成るシー
トと該シート間に挿入されたポリエチレン樹脂より成る
チューブにより構成さた被接着物１、および、２が、本
接着方法によりシート相互、および、各シートとチュー
ブがスキマ、または、ピンホールがなく熱シールされる
例である。第３図における加熱用の型３の構成は、支持
体４の素材として高周波を反射及び吸収しにくくかつ耐
熱性を有する人造のスレートを用い、これを２ヶの接着
部の形状に沿った凹凸６を持つ形態に加工し、そして、
各支持体４の被接着物側の面に高周波誘導により発熱す
る加熱媒体５としてニッケルをコーティングした。次
に、被接着物を薄い耐熱性シート８である肉厚0.13mmの
テフロンコーティングガラスクロスを介して２ヶの加熱
用の型３で挾み、押さえ付けたまま高周波誘導用コイル
９の下を通したところ第２図のようにシート相互、およ
び、各シートとチューブがスキマ、または、ピンホール
がなく熱シールされた。この時使用した高周波誘導加熱
装置10は、周波数400KHz、出力5Kwであった。
（発明の効果） 以上にのべたように本発明は、これまでの熱シール方法
では対応することが困難であった被接着物の多くの形態
に対応できる熱シール方法である。すなわち、被接着物
の素材の選定範囲が広く、被接着物の、接着部の形態の
選定範囲が広く、さらには、接着のために特別な部品を
使用せずに熱シールできる接着方法である。
【図面の簡単な説明】
第１図は、本発明の熱シール方法を有効に利用できる被
接着物の形態の一つをそのシール時の状況とともに示し
た斜視図である。第２図は、本発明の方法で熱シールし
た被接着物の接着が終了した状態を示す斜視図である。
第３図は、加熱用の型の詳細を示す斜視図である。ま
た、第４−Ａ図は、該加熱用の型の別の形態を示す斜視
図であり、第４−Ｂ図は、加熱媒体を支持体に支持させ
た部分の拡大断面図である。 1:シート、7:芯金 2:チューブ、8:薄い耐熱性シート 3:加熱用の型、9:高周波誘導用コイル 4:支持体、10:高周波誘導加熱装置 5:加熱媒体、11:空洞 6:凹凸

Claims (4)

    【特許請求の範囲】
  1. 【請求項１】２枚以上のプラスチックシート相互を、ま
    たは、１枚以上のプラスチクシートと一個以上の形成物
    を熱接着する方法のうち、該被接着物は、高周波誘導に
    より発熱する加熱媒体を有さず、且つその少なくとも一
    方の接着面を熱接着材料で形成し、又は該接着面の間に
    熱接着性材料を挿入し、該熱接着性材料を加熱して接着
    する方法であって、高周波を反射及び吸収しにくく、さ
    らに耐熱性を有する支持体と該支持体の被接着物側に支
    持された高周波誘導により発熱する加熱媒体より構成さ
    れる加熱用の型を、被接着物に直接、または、間接的に
    少なくとも一方から押し付け、該加熱媒体を高周波誘導
    により発熱させることによって、該熱接着性材料を加熱
    して該被接着物を接着する方法。
  2. 【請求項２】該被接着物の接着部の形状が凹凸、また
    は、模様を有することを特徴とする特許請求の範囲第１
    項に記載の接着方法。
  3. 【請求項３】被接着物が、２枚のプラスチックシートと
    該シート間に挿入されたチューブ、または、管より構成
    されていることを特徴とする特許請求範囲第１項、また
    は、第２項に記載の接着方法。
  4. 【請求項４】被接着物を構成する部材の素材が、ポリオ
    レフィン系である特許請求範囲第１項ないし第３項の何
    れかに記載の接着方法。
JP61105299A 1986-05-08 1986-05-08 接着方法 Expired - Lifetime JPH07108554B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61105299A JPH07108554B2 (ja) 1986-05-08 1986-05-08 接着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61105299A JPH07108554B2 (ja) 1986-05-08 1986-05-08 接着方法

Publications (2)

Publication Number Publication Date
JPS62261423A JPS62261423A (ja) 1987-11-13
JPH07108554B2 true JPH07108554B2 (ja) 1995-11-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03114730A (ja) * 1989-09-28 1991-05-15 Trinity Ind Corp 多層材の接着方法
US5427645A (en) * 1991-12-09 1995-06-27 W. R. Grace & Co.-Conn. Apparatus and method for radio frequency sealing thermoplastic films together
US5324233A (en) * 1992-09-09 1994-06-28 W. R. Grace & Co.-Conn. Method and apparatus for sealing fitment tubes into pouches
CH683954A5 (de) * 1993-04-17 1994-06-15 Industrieorientierte Forsch Verfahren und Vorrichtung zur Herstellung von HF-Siegelverbindungen mittels eines wiederverwendbaren Wirbelstromschichtträgers.
JP2641037B2 (ja) * 1994-12-28 1997-08-13 株式会社フロウエル 弗素樹脂チューブ同士の溶着連結方法
NL2000615C2 (nl) * 2007-04-26 2008-10-28 Kok & Van Engelen Composite St Werkwijze en inrichting voor het elektromagnetisch lassen van vormdelen.
NL2023583B1 (en) * 2019-07-29 2021-02-22 Bossar Holding B V Production of collapsible pouches having a fitment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2312179A1 (de) * 1973-03-12 1974-09-19 Kalle Ag Verfahren und vorrichtung zum verschweissen metallfolien enthaltender verbunde
DE2339707A1 (de) * 1973-08-06 1975-02-27 Hoechst Ag Verfahren und vorrichtung zum verschweissen metallschichten enthaltender verbundfolien zu hohlkoerpern
JPS52150447A (en) * 1976-06-09 1977-12-14 Toyoda Chuo Kenkyusho Kk Method of adhering polyolefin synthetic resin
JPS5358582A (en) * 1976-11-08 1978-05-26 Zojirushi Vacuum Bottle Co Method of adhesion of synthetic resin by induction heating
JPS6227137A (ja) * 1985-07-26 1987-02-05 Hioki Vinyl Kogyo Kk 接着型及びその接着型を使用した合成樹脂シ−トの接着方法
SE451974B (sv) * 1985-08-22 1987-11-09 Tetra Pak Ab Sett och anordning for induktionsforsegling av termoplastbelagt forpackningsmaterial innefattande atminstone ett skikt av metallfolie

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Publication number Publication date
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