JPS6134375B2 - - Google Patents

Info

Publication number
JPS6134375B2
JPS6134375B2 JP56056472A JP5647281A JPS6134375B2 JP S6134375 B2 JPS6134375 B2 JP S6134375B2 JP 56056472 A JP56056472 A JP 56056472A JP 5647281 A JP5647281 A JP 5647281A JP S6134375 B2 JPS6134375 B2 JP S6134375B2
Authority
JP
Japan
Prior art keywords
flange
sleeve
plastic
heated
joints
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
Application number
JP56056472A
Other languages
English (en)
Other versions
JPS57170711A (en
Inventor
Ryozo Oota
Takehiro Ito
Saburo Kadowaki
Yoshikuni Tsuda
Toshio Inoe
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP56056472A priority Critical patent/JPS57170711A/ja
Publication of JPS57170711A publication Critical patent/JPS57170711A/ja
Publication of JPS6134375B2 publication Critical patent/JPS6134375B2/ja
Granted 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
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02—Deburring or deflashing
    • B29C37/04—Deburring or deflashing of welded articles, e.g. deburring or deflashing in combination with welding
    • 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
    • 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
    • B29C66/10—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
    • B29C66/128—Stepped joint cross-sections
    • 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
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • 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
    • B29C66/22—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns
    • B29C66/225—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns being castellated, e.g. in the form of a square wave or of a rectangular wave
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/322—Providing cavities in the joined article to collect the burr
    • 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
    • B29C66/50—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
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
    • B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
    • 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
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52298—Joining tubular articles involving the use of a socket said socket being composed by several 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
    • B29C66/51—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
    • B29C66/70—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
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Description

【発明の詳細な説明】 本発明は加熱融着によるプラスチツク管の接合
方法の改良に関するものである。
プラスチツク管を接合する場合、加熱融着を使
用することがあり、この方法によれば、パツキン
グを使用する方法のように、パツキング材に制限
されることなく、管の特性を有効に発揮できる
（例えば、管の材質自体が著しく秀れた耐薬品性
を備えていても、パツキングがそのパツキング性
並びに耐薬品性の双方を満し得ない場合にパツキ
ング材によつて輸送液体が制限されるといつたこ
とがない）、接着剤による接合が至難なポリオレ
フイン系プラスチツク管の接合にも適用できると
いつた利点がある。
従来、プラスチツク管の加熱融着接合には、第
１図に示すように、内面を加熱溶融させたプラス
チツクスリーブ１に、外面を加熱溶融させたプラ
スチツク管端部２′を圧入する方法が用いられて
いる。しかしながら、この方法では、スリーブに
管端部を圧入する際に、溶融プラスチツクがスリ
ーブの奥方に押し出され、スリーブの奥方にビー
ド３′が発生し、管路の流通抵抗が往々にして著
しく増大するといつた不利がある。
本発明に係るプラスチツク管の接合方法は、上
記ビードの発生を充分に軽減してプラスチツク管
を加熱融着により接合できる方法であり、スリー
ブ部の先端にフランジ部を有するプラスチツク製
継手を互に接合すべきプラスチツク管の各端部に
スリーブ部において加熱融着し、両継手のフラン
ジ部を突合せて加熱融着することを特徴とする方
法である。
以下、図面により本発明を説明する。
第２図Ａ乃至第２図Ｃにおいて、１，１は互に
接続すべきプラスチツク管である。２はスリーブ
部２１の先端にフランジ部２２を有するプラスチ
ツク製継手である。
本発明を実施するには、まず、第２図Ａに示す
ように各管１の端部に、継手２をスリーブ部２１
において加熱融着する。この加熱融着は、継手の
スリーブ部内面並びに管端部外面をそれぞれ加熱
治具により加熱溶融させ、この溶融状態のもとで
継手のスリーブ部を管端部に圧入することによつ
て行い、通常、工場内で予め行つておく。
この加熱融着においては、第２図Ａに示すよう
に、既述したビード３が発生するが、このビード
３は切断除去する。この除去は、ビードが継手口
の近傍にあるので、容易に行うことができる。
次いで、第２図Ｂに示すように、継手２，２の
フランジ部２２，２２の間に平板ヒータ４を挾
み、各フランジ面を加熱溶融させ、而るのち、平
板ヒータ４を外して、第２図Ｃに示すように、継
手２，２のフランジ面を突合せ融着する。これら
の作業は現場作業である。
継手のフランジ面の融着時、その加圧力のため
に溶融プラスチツクがフランジ内周側並びに外周
側に向つて移動するが、その流動路がフランジ外
周側に至るほど広くなる外広がりの場合であるか
ら、内周側への流動量は少なく、フランジ内周で
のビード３の発生は充分に径減できる。又、平板
ヒータを取り外したのち、フランジ面を直に突合
せることができ、融着時までの加熱溶融面の冷却
も殆どないので、作業性も良好である。
上記において、第３図Ａに示すように、フラン
ジ部２２の内周に切欠部２２０を設け、この切欠
部２２０に上記流動プラスチツクを溜めるように
すれば、ビードの発生を一層に軽減できる。又、
継手フランジ部２２，２２を突合せる際の芯出し
を容易に行い得るように、第３図Ｂに示すよう
に、芯出用ガイド２２１とこれに対応するガイド
溝２２２とを設けることもできる。又、フランジ
部２２，２２の接合面積を広くするために、第３
図Ｃに示すように、リング状の凹凸２２３，２２
４，………を設けることもできる。
上述した通り、本発明に係るプラスチツク管の
接合方法によれば、ビードの発生を充分に軽減し
てプラスチツク管を加熱融着法により接合でき
る。従つて、通水性に支障をきたすことなく、プ
ラスチツク管を加熱融着法により接合でき、特
に、ポリオレフイン系プラスチツク管の接合に有
用である。
【図面の簡単な説明】
第１図は従来のプラスチツク管の接合方法を示
す説明図、第２図Ａ、第２図Ｂ並びに第２図Ｃは
本発明に係るプラスチツク管の接合方法の作業手
順を示す説明図、第３図Ａ、第３図Ｂ並びに第３
図Ｃは本発明の別実施例をそれぞれ示す説明図で
ある。 図において、１，１はプラスチツク管、２，２
はプラスチツク製継手、２１はスリーブ部、２２
はフランジ部である。

Claims (1)

    【特許請求の範囲】
  1. １ スリーブ部の先端にフランジ部を有するプラ
    スチツク製継手を互に接合すべきプラスチツク管
    の各端部にスリーブ部において加熱融着し、両継
    手のフランジ部を突合せて加熱融着することを特
    徴とするプラスチツク管の接合方法。
JP56056472A 1981-04-14 1981-04-14 Connecting method of plastic tube Granted JPS57170711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56056472A JPS57170711A (en) 1981-04-14 1981-04-14 Connecting method of plastic tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56056472A JPS57170711A (en) 1981-04-14 1981-04-14 Connecting method of plastic tube

Publications (2)

Publication Number Publication Date
JPS57170711A JPS57170711A (en) 1982-10-21
JPS6134375B2 true JPS6134375B2 (ja) 1986-08-07

Family

ID=13028041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56056472A Granted JPS57170711A (en) 1981-04-14 1981-04-14 Connecting method of plastic tube

Country Status (1)

Country Link
JP (1) JPS57170711A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6600853B2 (ja) * 2016-01-15 2019-11-06 信越ポリマー株式会社 樹脂部材の製造方法、筐体部材の製造方法及び基板収納容器の製造方法
JP6685203B2 (ja) * 2016-08-26 2020-04-22 日立グローバルライフソリューションズ株式会社 継手
JP7710393B2 (ja) * 2022-03-04 2025-07-18 本田技研工業株式会社 高圧タンクライナの製造方法及び高圧タンクライナの製造装置

Also Published As

Publication number Publication date
JPS57170711A (en) 1982-10-21

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