JPH0811217A - フッ素樹脂製配管の溶着管継ぎ手の加工方法 - Google Patents

フッ素樹脂製配管の溶着管継ぎ手の加工方法

Info

Publication number
JPH0811217A
JPH0811217A JP6180376A JP18037694A JPH0811217A JP H0811217 A JPH0811217 A JP H0811217A JP 6180376 A JP6180376 A JP 6180376A JP 18037694 A JP18037694 A JP 18037694A JP H0811217 A JPH0811217 A JP H0811217A
Authority
JP
Japan
Prior art keywords
fluororesin
outer frame
pipe
joint
fixed
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
JP6180376A
Other languages
English (en)
Inventor
Kiyoshi Fujiwara
清 藤原
Masao Uratani
昌夫 浦谷
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6180376A priority Critical patent/JPH0811217A/ja
Publication of JPH0811217A publication Critical patent/JPH0811217A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one 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
    • B29C66/01—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
    • B29C66/01—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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/324—Avoiding burr formation
    • B29C66/3242—Avoiding burr formation on the inside of a tubular or hollow article
    • 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
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • 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
    • 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
    • B29C66/636—Internally supporting the article during joining using a support which remains in the joined object
    • 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
    • B29C66/73—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
    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】 【目的】 フッ素樹脂製配管の管継ぎ手の接合部内面を
平滑に、かつ、接合部を高強度に、溶着する方法を提供
する。 【構成】 外枠１に固定されたフッ素樹脂製管３と外枠
２に固定されたフッ素樹脂製管４を同軸上に配置し、フ
ッ素樹脂製管３とフッ素樹脂製管４に連通するよう内枠
５を配置し、外枠１と外枠２の隙間から熱風により加熱
し、フッ素樹脂製管１とフッ素樹脂製管２を溶融し、外
枠１に固定されたフッ素樹脂製管３と外枠２に固定され
たフッ素樹脂製管４を左右より加圧する事により、接合
部内面を平滑に、そして接合部外周に外枠１と外枠２に
囲まれたフッ素樹脂の突起を形成し強度を確保するよう
溶着が行われることを特徴とする。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明はフッ素樹脂製配管の管
継ぎ手の接合部内面を平滑に、かつ、接合部を高強度
に、溶着することに関する。
【０００２】
【従来の技術】フッ素樹脂製配管の管継ぎ手の接合部内
面を平滑に溶着するには、接合したいそれぞれの管端面
を正確に密着固定し、接合部外周に管に密着するように
作られたヒーターを配置し、管内には管に密着するよう
に作られた内枠を配置し、接合部外周に配置したヒータ
ーで接合部を加熱溶融することにより溶着していた。図
１に加工方法を示す。
【０００３】
【発明が解決しようとする課題】従来の溶着方法にはつ
ぎのような問題があった。イ、ヒーターの熱容量が大き
いため加熱と冷却に時間がかかる。ロ、管の肉厚で溶接
強度が決る。この発明は従来のこのような技術の欠点を
除去し、接合部内面の平滑な、かつ接合部が高強度な、
溶接管継ぎ手の加工方法を提供する。
【０００４】
【課題を解決するための手段】図２は新しい管継ぎ手の
加工方法を説明する図である。図２の（ａ）で示すよう
に外枠１に固定されたフッ素樹脂製管３と外枠２に固定
されたフッ素樹脂製管４を同軸上に配置し、フッ素樹脂
製管３とフソ素樹脂製管４に連通するよう内枠５を配置
し、外枠１と外枠２の隙間より加熱しフッ素樹脂製管３
とフッ素樹脂製管４を溶融する。次ぎに図２の（ｂ）で
示すように外枠１に固定されたフッ素樹脂製管３と外枠
２に固定されたフッ素樹脂製管４を左右より加圧する事
により接合部外周に外枠１と外枠２に囲まれたフッ素樹
脂の突起を形成する
【０００５】
【作用】このようにして行う溶着では、フッ素樹脂を加
熱する熱源と、フッ素樹脂が直接接していないので、必
要な熱量を必要な時間だけフッ素樹脂に与えられ、加熱
に要する時間が短縮できる。冷却する場合もフッ素樹脂
樹脂の持っている熱量だけを冷却すれば良いので冷却時
間が短縮できる。また外枠１と外枠２に囲まれて形成さ
れるフッ素樹脂の突起により、必要な溶着強度を確保で
きる。
【０００６】
【実施例】具体的な実施例を示す。図３によれば図３の
（ａ）のようにフッ素樹脂製管３及びフッ素樹脂製管４
のそれぞれの管端面を直角に切断し、外枠１にフッ素樹
脂製管３を外枠２にフッ素樹脂製管４をそれぞれ固定す
る。外枠１と外枠２の管に接する先端は、１辺がチュー
ブの厚みに等しくなるよう４５°に削られている。次ぎ
にフッ素樹脂製管３の管端とフッ素樹脂製管４の管端が
密着するように配置する。このときフッ素樹脂製管の内
径とほぼ等しい寸法で作られた表面の平滑な内枠を、フ
ッ素樹脂製管の内部に配置します。次ぎに外枠１と外枠
２の隙間から熱風機６により発生させた熱風をフッ素樹
脂製管に吹付け、管を溶融温度以上に加熱する。次ぎに
図３の（ｂ）のようにフッ素樹脂製管３とフッ素樹脂樹
脂製管４に左右から力を加え、溶融した樹脂が外枠１、
外枠２と内枠５で囲まれた部分に充満しかつ樹脂同士が
溶着するのに充分な圧力が生じるようにして溶着する。
管内壁の接合部は、外枠１、外枠２と内枠で囲まれ溶融
樹脂の流動に充分な圧力がある状態で溶着が進み、内枠
表面に沿った平滑な面に仕上る。なおフッ素樹脂製管の
加熱は熱風発生機を石英ヒーターやシースヒーターに置
換えても良い。
【０００７】
【発明の効果】この加工法によるとつぎの効果がある。
イ、溶着が短時間で行える。ロ、肉厚の薄い管でも充分
な溶接強度を確保できる。以上のように従来の方法の欠
点を解消できる。
【図面の簡単な説明】
【図１】この図は従来の加工方法を説明した図である
【図２】この図の（ａ）（ｂ）は加工方法を説明した図
である
【図３】この図の（ａ）（ｂ）は加工方法の実施例を説
明した図である
【符号の説明】
１：外枠 ２：外枠 ３：フッ素樹脂製管 ４：フッ素樹脂製管 ５：内枠 ６：熱風発生機

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】外枠１に固定されたフッ素樹脂製管３と外
    枠２に固定されたフッ素樹脂製管４を同軸上に配置し、
    フッ素樹脂製管３とフッ素樹脂製管４に連通するよう内
    枠５を配置し、外枠１と外枠２の隙間から熱風により加
    熱しフッ素樹脂製管１とフッ素樹脂製管２を溶融し、外
    枠１に固定されたフッ素樹脂製管３と外枠２に固定され
    たフッ素樹脂製管４を左右より加圧する事により、接合
    部内面を平滑に、そして接合部外周に外枠１と外枠２に
    囲まれたフッ素樹脂の突起を形成するよう溶着が行われ
    る加工方法
JP6180376A 1994-06-27 1994-06-27 フッ素樹脂製配管の溶着管継ぎ手の加工方法 Pending JPH0811217A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6180376A JPH0811217A (ja) 1994-06-27 1994-06-27 フッ素樹脂製配管の溶着管継ぎ手の加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6180376A JPH0811217A (ja) 1994-06-27 1994-06-27 フッ素樹脂製配管の溶着管継ぎ手の加工方法

Publications (1)

Publication Number Publication Date
JPH0811217A true JPH0811217A (ja) 1996-01-16

Family

ID=16082164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6180376A Pending JPH0811217A (ja) 1994-06-27 1994-06-27 フッ素樹脂製配管の溶着管継ぎ手の加工方法

Country Status (1)

Country Link
JP (1) JPH0811217A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999037467A1 (en) * 1998-01-20 1999-07-29 Single Buoy Moorings Inc. Method of welding generally rod-shaped structures of a fluorine-containing plastic material in a butt weld
JP2006068910A (ja) * 2004-08-31 2006-03-16 Nichias Corp フッ素樹脂材料の溶着構造体
JP2018202624A (ja) * 2017-05-30 2018-12-27 ミライアル株式会社 樹脂製配管の製造方法および、樹脂製配管

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999037467A1 (en) * 1998-01-20 1999-07-29 Single Buoy Moorings Inc. Method of welding generally rod-shaped structures of a fluorine-containing plastic material in a butt weld
US6358348B1 (en) 1998-01-20 2002-03-19 Single Buoy Moorings Inc. Method of welding generally rod-shaped structures of a fluorine-containing plastic material in a butt weld
JP2006068910A (ja) * 2004-08-31 2006-03-16 Nichias Corp フッ素樹脂材料の溶着構造体
JP2018202624A (ja) * 2017-05-30 2018-12-27 ミライアル株式会社 樹脂製配管の製造方法および、樹脂製配管

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