JPH0326530A - 溶融フッ素系樹脂製チューブ - Google Patents

溶融フッ素系樹脂製チューブ

Info

Publication number
JPH0326530A
JPH0326530A JP1161609A JP16160989A JPH0326530A JP H0326530 A JPH0326530 A JP H0326530A JP 1161609 A JP1161609 A JP 1161609A JP 16160989 A JP16160989 A JP 16160989A JP H0326530 A JPH0326530 A JP H0326530A
Authority
JP
Japan
Prior art keywords
joint
synthetic resin
parts
heater
tubes
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.)
Granted
Application number
JP1161609A
Other languages
English (en)
Other versions
JPH0529538B2 (ja
Inventor
Kiyoshi Nishio
清志 西尾
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.)
Nippon Pillar Packing Co Ltd
CKD Corp
Original Assignee
Nippon Pillar Packing Co Ltd
CKD 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 Nippon Pillar Packing Co Ltd, CKD Corp filed Critical Nippon Pillar Packing Co Ltd
Priority to JP1161609A priority Critical patent/JPH0326530A/ja
Publication of JPH0326530A publication Critical patent/JPH0326530A/ja
Publication of JPH0529538B2 publication Critical patent/JPH0529538B2/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
    • 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
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface direct heating of the surfaces 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
    • B29C66/50—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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • 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

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 （イ）産業上の利用分野 この発明は、例えば、塩化ビニール、ボリエチレン、フ
ッ素系樹脂等の溶融合威樹脂により一体形成された合成
樹脂製チューブに関する。
（口）従来の技術 従来、上述の溶融合成樹脂製の各チューブを接続する場
合、これら各チューブと同材質の合成樹脂製の管継手に
より接続していた。
（ハ）発明が解決しようとする問題点 しかし、上述のように２本の各チューブを別′部材の管
継手により接続した場合、チューブ自体に比べて継手部
分の強度が構造的に弱くなり、配管時に於ける引張り力
や曲げ応力に対して耐久性が低く、或いは、流体の移送
圧力や薬液の化学反応による発熱作用等により継手部分
にクリープが起きやすく、継手部分のシール性が先行し
て低下し、流体の漏洩が生じるという問題点を有してい
る。
この発明は上記問題に鑑み、２本の各チューブを一体的
に溶着して合成樹脂製チューブを形成することにより、
上記問題点を解決でき、チューブ自体と同等以上の強度
を得ることができる合成樹脂製チューブの提供を目的と
する。
（二）問題点を解決するための手段 この発明は、溶融合威樹脂製の各チューブの接合部を加
熱ヒータに対して１＋＋ｍ〜６ｍ間隔に隔てて対向し、
加熱ヒータにより６００℃〜８００”Ｃの温度で各チュ
ーブの接合部を所定時間加熱して０．５〜５閣溶融した
後、これら各チューブの溶融接合部を圧接して一体的に
溶着した合成樹脂製チューブであることを特徴とする。
（ホ）作用 この発明は、加熱ヒータに対して１一〜６關間隔に隔て
て対向した各チューブの接合部を、加熱ヒータにより６
００℃〜８００℃の温度で加熱して０．５〜５ｍｍ溶融
させ、これら同一溶融状態に溶融した各チューブの接合
部を圧接すると、各接合部は均一に融合して隙間無く一
体的に溶着する。
（へ）発明の効果 この発明によれば、複数本の各チューブを隙間無く一体
的に溶着して合成樹脂製チューブを形威しているので、
溶着部はチューブ自体と同等以上の強度となり、配管時
に於ける引張り力や曲げ応力に対する耐久性が向上し、
且つ、流体の移送圧力や薬液の化学反応による発熱作用
等により溶着部が先に破断するのを積極的に防止するこ
とができ、流体移送時に於けるシール性が向上し、配管
資材として高い信頼性が得られる。
（ト）発明の実施例 この発明の一実施例を以下図面に基づいて詳述する。
図面は溶融合成樹脂の一例としてテトラフルオ口エチレ
ンーパーフルオロアルキルビニルエーテル共重合体（Ｐ
ＦＡ樹脂）により一体形成した合成樹脂製チューブを示
し、第１図及び第２図に於いて、この合成樹脂製チュー
ブ１は、ＰＦＡ樹脂製の２本の各チューブ２．２を一体
的に溶着して形成している。
上述の各チューブ２，２を溶着する手段としては、当出
願人が開発した溶着装ｉｆ（特願昭６３２６２１６８号
公報参照）がある。
この溶着装置（図示省略）を用いて、例えば、外径寸法
が１９關を有し、肉厚が１．６ｍｍを有する２本の各チ
ューブ２．２を溶着する場合、第３図に示すように、軸
方向に対して直角に切断した各チューブ２，２の各接合
端部２ａ，２ａを、装置中央部に配設した加熱ヒータ３
の両側面に対向して夫々配置し、これら各チューブ２，
２の各接合端部２ａ，２ａを、加熱ヒータ３の両側面に
対して対向間隔Ａ，Ａを２〜３臘間隔に隔てた定位置に
保持する。
次に、加熱ヒータ３に通電して、溶融合成樹脂製の各チ
ューブ２，２の各接合端部２ａ．２ａが溶融する６００
℃〜８００℃の加熱範囲内で所定時間加熱する。
すなわち、加熱ヒータ３の加熱温度を７５０℃に保持し
、その輻射熱により各チューブ２．２の各接合端部２ａ
，２ａを３　０ｓｅｃ　〜４　０ｓｅｃ間加熱して、こ
れら各接合端部２ａ，２ａを２Ｍ〜３一程度溶融させる
。
この後、第４図に示すように、２本の各チューブ２，２
の対向間から加熱ヒータ３を取り除き、これら各チュー
ブ２，２を矢印方向に移動して溶融した各接合端部２ａ
，２ａを接触させる。
さらに、第５図に示すように、これら各チューブ２，２
の各接合端部２ａ，２ａを矢印方向に圧接して、第４図
に示す接触時点の溶着部２ｂの寸法Ｂから、第５図に示
す圧接時点の溶着部２ｂの寸法Ｃを減算した１閤〜１．
５ｍｍの圧接寸法だけ押し付けることで、第２図にも示
すように、同一溶融状態に溶融した各チューブ２．２の
各接合端部２ａ，２ａは均一に融合し、隙間無く一体的
に溶着される。
このように２本の各チューブ２，２を一体的に溶着して
合成樹脂製チューブ１を形成しているので、引張り試験
に於いて、溶着部２ｂは約１２５聴の引張り力まで耐え
ることができ、溶着部２ｂの引張り強度はチューブ２自
体と同等以上の強度となり、配管時に於ける引張り力や
曲げ応力に対する耐久性が向上し、且つ、流体の移送圧
力や薬液の化学反応による発熱作用等により溶着部２ｂ
が先に破断するのを積極的に防止することができ、流体
移送時に於けるシール性が向上し、配管資材として高い
信頼性が得られる。
この発明の構成と、上述の実施例との対応において、 この発明の接合部は、実施例の接合端部２ａと対応する
も、 この発明は上述の実施例の構成のみに限定されるもので
はない。
例えば、上述の合成樹脂製チューブ１を、塩化ビニール
やポリエチレン等の溶融合威樹脂から成る大径、肉薄の
各チューブ２．２を溶着して形成するもよい。
【図面の簡単な説明】
図面はこの発明の一実施例を示し、 第１図は合成樹脂製チューブの溶着部斜視図、第２図は
合威樹脂製チューブの溶着部縦断側面図、第３図はチュ
ーブの加熱状態を示す側面図、第４図はチューブの接触
状態を示す側面図、第５図はチューブの圧接状態を示す
側面図である。 １・・・合成樹脂製チューブ ２・・・チューブ　　　　２ａ・・・接合端部２ｂ・・
・溶着部　　　　３・・・加熱ヒータ第１図 第２図

Claims (1)

    【特許請求の範囲】
  1. （１）溶融合成樹脂により形成した複数本のチューブの
    接合部を加熱ヒータに対して１ｍｍ〜６ｍｍ間隔に隔て
    て対向し、 上記加熱ヒータにより６００℃〜８００℃ の温度で各チューブの接合部を所定時間加 熱して０．５〜５ｍｍ溶融した後、 上記同一溶融状態に溶融した各チューブの 接合部を軸方向に圧接して一体的に溶着し た 合成樹脂製チューブ。
JP1161609A 1989-06-23 1989-06-23 溶融フッ素系樹脂製チューブ Granted JPH0326530A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1161609A JPH0326530A (ja) 1989-06-23 1989-06-23 溶融フッ素系樹脂製チューブ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1161609A JPH0326530A (ja) 1989-06-23 1989-06-23 溶融フッ素系樹脂製チューブ

Publications (2)

Publication Number Publication Date
JPH0326530A true JPH0326530A (ja) 1991-02-05
JPH0529538B2 JPH0529538B2 (ja) 1993-04-30

Family

ID=15738415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1161609A Granted JPH0326530A (ja) 1989-06-23 1989-06-23 溶融フッ素系樹脂製チューブ

Country Status (1)

Country Link
JP (1) JPH0326530A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021059753A1 (ja) * 2019-09-24 2021-04-01 ダイキン工業株式会社 溶着体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS514273A (ja) * 1974-06-29 1976-01-14 Mitsubishi Plastics Ind Koshitsuenkabinirukanno batsutojuchakuhoho
JPS5218774A (en) * 1975-08-06 1977-02-12 Mitsubishi Plastics Ind Butt welding method for thermoplastic resin moldings
JPS5227483A (en) * 1975-08-28 1977-03-01 Mitsubishi Chem Ind Method of butttwelding pipe
JPS6120725A (ja) * 1984-07-09 1986-01-29 フリューアロウェア　インコーポレイテッド 溶接フルオロポリマ−管および管継手
JPH0343054A (ja) * 1989-07-11 1991-02-25 Mase Bankin Seisakusho:Kk 豆腐の切断パック詰め方法及びその装置
JPH0476773A (ja) * 1990-07-19 1992-03-11 Nec Corp 地図検索装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS514273A (ja) * 1974-06-29 1976-01-14 Mitsubishi Plastics Ind Koshitsuenkabinirukanno batsutojuchakuhoho
JPS5218774A (en) * 1975-08-06 1977-02-12 Mitsubishi Plastics Ind Butt welding method for thermoplastic resin moldings
JPS5227483A (en) * 1975-08-28 1977-03-01 Mitsubishi Chem Ind Method of butttwelding pipe
JPS6120725A (ja) * 1984-07-09 1986-01-29 フリューアロウェア　インコーポレイテッド 溶接フルオロポリマ−管および管継手
JPH0343054A (ja) * 1989-07-11 1991-02-25 Mase Bankin Seisakusho:Kk 豆腐の切断パック詰め方法及びその装置
JPH0476773A (ja) * 1990-07-19 1992-03-11 Nec Corp 地図検索装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021059753A1 (ja) * 2019-09-24 2021-04-01 ダイキン工業株式会社 溶着体
JPWO2021059753A1 (ja) * 2019-09-24 2021-04-01
CN114375378A (zh) * 2019-09-24 2022-04-19 大金工业株式会社 熔敷体
CN114375378B (zh) * 2019-09-24 2024-02-09 大金工业株式会社 熔敷体

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Publication number Publication date
JPH0529538B2 (ja) 1993-04-30

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