JPH05272690A - 補強複合管の接合方法 - Google Patents

補強複合管の接合方法

Info

Publication number
JPH05272690A
JPH05272690A JP4071296A JP7129692A JPH05272690A JP H05272690 A JPH05272690 A JP H05272690A JP 4071296 A JP4071296 A JP 4071296A JP 7129692 A JP7129692 A JP 7129692A JP H05272690 A JPH05272690 A JP H05272690A
Authority
JP
Japan
Prior art keywords
reinforced composite
pipe
synthetic resin
resin layer
composite pipe
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
JP4071296A
Other languages
English (en)
Inventor
Yoshitaka Matsumoto
義隆 松元
Yukio Hamano
幸雄 浜野
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP4071296A priority Critical patent/JPH05272690A/ja
Publication of JPH05272690A publication Critical patent/JPH05272690A/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
    • 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
    • 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
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • 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
    • 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
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02241—Cutting, e.g. by using waterjets, or sawing
    • 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
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/51—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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—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
    • B29C66/721—Fibre-reinforced 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
    • B29C66/01—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
    • B29C66/10—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
    • B29C66/1226—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 one bevelled 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
    • B29C66/70—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
    • 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
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • 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
    • B29C66/72329—Wood
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • 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
    • B29L2009/00—Layered products
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】 【目的】 補強複合管の繊維強化樹脂層を剥離する手数
等を軽減し、安定した接合・接着強度を有する補強複合
管の接合方法。 【構成】 熱可塑性合成樹脂層により形成した原管３の
外周に繊維強化樹脂層２を設けた補強複合管１を熱可塑
性合成樹脂層を有する配管材に熱融着により接合・接続
する方法であって、接続する両材端部の熱融着させる範
囲の熱可塑性合成樹脂層を露出させる工程Ｓ１，Ｓ２，
Ｓ３と、露出させた両材端部の熱可塑性合成樹脂層を突
き合わせ加熱して融着接合する工程Ｓ４とより構成した
補強複合管の接合方法。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明は、硬質ポリ塩化ビニル
等の熱可塑性合成樹脂層により形成した管（以下、原管
という）の外周にガラス繊維等の補強繊維と熱可塑性合
成樹脂よりなる繊維強化樹脂層（以下、ＦＲＰ層とい
う）を設けた補強複合管の接合方法に関するものであ
る。
【０００２】
【従来の技術】上記補強複合管の接続は、管端面に露出
したＦＲＰ層に管内の流体が侵入し種々の弊害を発生さ
せる危険があり、この対策を必要としていた。
【０００３】そして、従来の補強複合管の接合は、公知
のＴＳ接合法（ Taper sized Solv-ent weding method
）による冷間接合方法を採用することが多かった。
【０００４】図３は、従来のＴＳ接合方法による補強複
合管を管継手に接合・接続する工程図であり、同図を参
照して従来の補強複合管の接合方法を説明する。
【０００５】工程Ｓ１１：補強複合管１の管端部分の表
層を切断しＦＲＰ層２を露出させる。
【０００６】工程Ｓ１２：ＦＲＰ層２をバーナー等で加
熱して剥離し原管３を露出させる。
【０００７】工程Ｓ１３：露出させた原管の表面を整形
仕上し、速乾性の接着剤を塗る。
【０００８】工程Ｓ１４：原管３を公知のＴＳ接合法用
の管継手４のテーパー穴に一気に差し込み回転させてか
ら、静止して接着完了を待つ。
【０００９】工程Ｓ１５：止水のため、接合部分の原管
３の表面と管継手４の端面とを熱可塑性合成樹脂で溶接
する。
【００１０】工程Ｓ１６：ＦＲＰ層２を露出させた部
分、上記溶接した部分の表面を平滑に仕上げる。
【００１１】工程Ｓ１７：前記表面仕上した部分に手作
業によりＦＲＰ層を形成して補強し仕上げを行う。
【００１２】
【発明が解決しようとする課題】上記従来の接合方法
は、管継手４の受け口寸法に対応した長さだけのＦＲＰ
層２を剥離する必要があり、剥離寸法は口径が大きくな
るほど長く広くなり、ＦＲＰ層２の加熱剥離に多くの労
力と時間がかかる。そしてＦＲＰ層２を加熱剥離するさ
い原管２の熱可塑性合成樹脂層に焦げや変形が生じ、接
合できなくなったり、ＴＳ接合本来の強度が失われる場
合がある。更にＴＳ接合後に補強複合管と管継手端面と
を熱可塑性合成樹脂で溶接する必要があり、時間と手数
を要し面倒である等の問題があった。
【００１３】この発明は、上記従来技術の問題点を解消
するために成されたもので、補強複合管のＦＲＰ層を剥
離する手数等を軽減し、安定した接合・接着強度を有す
る補強複合管の接合方法を提供することを目的とするも
のである。
【００１４】
【課題を解決するための手段】このため、この発明に係
る補強複合管の接合方法は、熱可塑性合成樹脂層により
形成した原管の外周に繊維強化樹脂層を設けた補強複合
管を熱可塑性合成樹脂層を有する配管材に熱融着により
接合・接続する方法であって、接続する両材端部の熱融
着させる範囲の熱可塑性合成樹脂層を露出させる工程
と、該露出させた両材端部の熱可塑性合成樹脂層を突き
合わせ加熱して融着接合する工程とにより構成したこと
によって、前記の目的を達成しようとするものである。
【００１５】
【作用】以上の構成は、接合する両材の端部を突き合わ
せ熱融着により接合することにより、原管の熱可塑性合
成樹脂層を露出させる必要面積は従来より大幅に減少
し、また広い面積のＦＲＰ層を剥離するための加熱によ
り原管に焦げや変形を生じさせていた従来のような問題
はなくなり、熱融着接合が有する本来の強度をもった接
続をすることができる。なお止水のために必要としてい
た接合後の熱可塑性合成樹脂による溶接は不要であり、
工程を簡略化することができる。
【００１６】そして、補強複合管と補強複合管との接合
に加えて補強複合管と管継手等との接続もでき、しかも
接続部分の段差をなくすことができる。
【００１７】
【実施例】以下、この発明に係る補強複合管の接合方法
を実施例により説明する。本実施例は、硬質ポリ塩化ビ
ニル等の熱可塑性合成樹脂層により形成した原管の外周
にガラス繊維等の補強繊維と熱可塑性合成樹脂よりなる
ＦＲＰ層が形成してある補強複合管を対象とし、管継手
を使用せず補強複合管と補強複合管との端部を、或は上
記構成の補強複合管と熱可塑性合成樹脂層を有する管継
手等の配管材の端部とを、ヒータフェイスを使用し突き
合わせて加熱し融着させるバット融着接合方法により接
続する方法である。
【００１８】図１は、この発明の一実施例の工程図であ
り、同図を参照して一実施例の接合方法を説明する。
【００１９】工程Ｓ１：接続する補強複合管の端部の熱
融着させる範囲の表層を切断する。
【００２０】工程Ｓ２：前記端部のＦＲＰ層２を剥離し
原管３を露出させる。
【００２１】工程Ｓ３：露出させた原管の表面を整形仕
上する。
【００２２】工程Ｓ４：接続する両材の原管端部にバッ
ト融着接合用のヒータフェイスを添わせて端部を突き合
わせ、ヒータフェイスに通電して加熱し融着接合させ
る。
【００２３】工程Ｓ５：ＦＲＰ層２を露出させた部分、
上記融着させた部分の表面を平滑に仕上げる。
【００２４】工程Ｓ６：前記表面仕上げした面に手作業
によりＦＲＰ層を形成して補強し仕上げを行う。
【００２５】図２は、前記工程Ｓ４で行う加熱融着接合
作業の細部工程図である。工程Ｓ４１：補強複合管１
ａ，１ｂの各端部は、ＦＲＰ層２が剥離除去され熱可塑
性合成樹脂層により形成した原管３が露出し、かつヒー
タフェイス５の加熱面の形状に対応させたテーパー状に
面取り仕上がしてある。そしてヒータフェイス５を添わ
せて補強複合管１ａ，１ｂの端部を突き合わせる。
【００２６】工程Ｓ４２：ヒータフェイス５に通電し
て、突き合わせてた端部を加熱し融着接合させる。
【００２７】上記工程Ｓ２で行うＦＲＰ層２を剥離する
範囲は極く僅か５ｍｍ〜１５ｍｍでよく、バーナー等で
加熱しての剥離でなく、管端部の面取りによって実施す
ることができる。
【００２８】上記実施例は、補強複合管を補強複合管に
端部を融着して接合する実施例であるが、外径および肉
厚が補強複合管と等しく、かつ端面が全周にわたってＦ
ＲＰ補強がしてない管継手等、或は端面を面取りして熱
可塑性合成樹脂層を露出させた管継手等と補強複合管と
の端部を融着接合することも上記実施例工程に準じて実
施可能であることは勿論である。そして、接合部分表面
に段差を無くすることができる。
【００２９】バット融着に使用するヒータフェイス５
は、熱可塑性合成樹脂部分のみ加熱できる形状のものが
好ましい。
【００３０】［他の実施例］上記実施例の工程Ｓ３にお
いて、管端をテーパー状に仕上げしたのは、融着接合し
た外面に生ずるビード６ａを小さくするためでもあり、
必ずしもテーパー状に仕上げしなくてもよい。
【００３１】上記工程Ｓ６の、手作業によりＦＲＰ層を
形成して補強する作業は、融着接合した外面に生ずるビ
ード６ａおよび内面に生ずるビード６ｂを除去したため
に実施した作業であり、ビード６ａ、６ｂを除去する必
要が無い等、強度的に問題がないときは、工程Ｓ６の手
作業によりＦＲＰ層を形成して補強する作業は省略して
もよい。
【００３２】
【発明の効果】以上説明したように、この発明によれ
ば、接合する両材の端部を突き合わせ熱融着により接合
することにより、原管の熱可塑性合成樹脂層を露出させ
る必要面積は従来より大幅に減少し、また広い面積のＦ
ＲＰ層を剥離するための加熱により原管に焦げや変形を
生じさせていた従来のような問題はなくなり、熱融着接
合が有する本来の強度をもった接続を実施することがで
きる。なお止水のために必要としていた接合後の熱可塑
性合成樹脂による溶接は不要であり、工程を簡略化する
ことができる。
【００３３】そして、補強複合管と補強複合管との接合
に加えて補強複合管と管継手等との接続もでき、しかも
接続部分の段差をなくすことができる。
【図面の簡単な説明】
【図１】 一実施例の工程図である。
【図２】 一実施例の細部工程図である。
【図３】 従来の補強複合管の接合方法の工程図であ
る。
【符号の説明】
１，１ａ，１ｂ 補強複合管 ２ 繊維強化樹脂層（ＦＲＰ層） ３ 原管 ４ 管継手 ５ ヒータフェイス ６ａ，６ｂ ビード

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 熱可塑性合成樹脂層により形成した原管
    の外周に繊維強化樹脂層を設けた補強複合管を熱可塑性
    合成樹脂層を有する配管材に熱融着により接合・接続す
    る方法であって、接続する両材端部の熱融着させる範囲
    の熱可塑性合成樹脂層を露出させる工程と、該露出させ
    た両材端部の熱可塑性合成樹脂層を突き合わせ加熱して
    融着接合する工程とよりなることを特徴とする補強複合
    管の接合方法。
JP4071296A 1992-03-27 1992-03-27 補強複合管の接合方法 Pending JPH05272690A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4071296A JPH05272690A (ja) 1992-03-27 1992-03-27 補強複合管の接合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4071296A JPH05272690A (ja) 1992-03-27 1992-03-27 補強複合管の接合方法

Publications (1)

Publication Number Publication Date
JPH05272690A true JPH05272690A (ja) 1993-10-19

Family

ID=13456567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4071296A Pending JPH05272690A (ja) 1992-03-27 1992-03-27 補強複合管の接合方法

Country Status (1)

Country Link
JP (1) JPH05272690A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280145A (en) * 1993-07-20 1995-01-25 British Gas Plc A method of butt joining fibre reinforced thermoplastic pipes
EP1464884A4 (en) * 2002-01-11 2005-02-09 Mesco Inc CONNECTION METHOD AND CONNECTION CONSTRUCTION OF PLASTIC TUBE
WO2008005882A2 (en) * 2006-07-07 2008-01-10 Caridianbct, Inc. Heat weld tube connectors
WO2024147024A1 (en) * 2023-01-02 2024-07-11 Soletanche Freyssinet A method of manufacturing a sheath for a structural cable

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280145A (en) * 1993-07-20 1995-01-25 British Gas Plc A method of butt joining fibre reinforced thermoplastic pipes
GB2280145B (en) * 1993-07-20 1997-08-20 British Gas Plc A method of joining reinforced thermoplastic pipes
US5824179A (en) * 1993-07-20 1998-10-20 British Gas Plc Method of joining reinforced thermoplastic pipes
EP1464884A4 (en) * 2002-01-11 2005-02-09 Mesco Inc CONNECTION METHOD AND CONNECTION CONSTRUCTION OF PLASTIC TUBE
WO2008005882A2 (en) * 2006-07-07 2008-01-10 Caridianbct, Inc. Heat weld tube connectors
WO2008005882A3 (en) * 2006-07-07 2008-03-27 Gambro Bct Inc Heat weld tube connectors
US7964048B2 (en) 2006-07-07 2011-06-21 Caridianbct, Inc. Heat weld tubing connectors
WO2024147024A1 (en) * 2023-01-02 2024-07-11 Soletanche Freyssinet A method of manufacturing a sheath for a structural cable

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