JP2008087183A5 - - Google Patents

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Publication number
JP2008087183A5
JP2008087183A5 JP2006267352A JP2006267352A JP2008087183A5 JP 2008087183 A5 JP2008087183 A5 JP 2008087183A5 JP 2006267352 A JP2006267352 A JP 2006267352A JP 2006267352 A JP2006267352 A JP 2006267352A JP 2008087183 A5 JP2008087183 A5 JP 2008087183A5
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JP
Japan
Prior art keywords
modified polytetrafluoroethylene
welding
polytetrafluoroethylene molded
vicinity
molded body
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JP2006267352A
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Japanese (ja)
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JP4965213B2 (en
JP2008087183A (en
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Priority to JP2006267352A priority Critical patent/JP4965213B2/en
Priority claimed from JP2006267352A external-priority patent/JP4965213B2/en
Publication of JP2008087183A publication Critical patent/JP2008087183A/en
Publication of JP2008087183A5 publication Critical patent/JP2008087183A5/ja
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Claims (6)

シート状の変性ポリ四フッ化エチレン成形体に形成された接合面を互いに対向配置し、接触させて接合体とし、
前記接合面が接触して前記接合体表面に形成された接合線及びその近傍を、前記変性ポリ四フッ化エチレンの溶融温度以上の耐熱性を有する耐熱性剥離フィルムにより覆い、
前記接合線及びその近傍を、前記変性ポリ四フッ化エチレンの溶融温度以上の温度に加熱しながら加圧する、
ことを特徴とする変性ポリ四フッ化エチレン成形体の溶着方法。 The joint surfaces formed on the sheet-like modified polytetrafluoroethylene molded body are placed opposite to each other, and brought into contact with each other to form a joined body.
Covering the bonding line formed on the surface of the bonded body in contact with the bonding surface and the vicinity thereof with a heat-resistant release film having heat resistance equal to or higher than the melting temperature of the modified polytetrafluoroethylene,
Pressurizing the joining line and its vicinity while heating to a temperature equal to or higher than the melting temperature of the modified polytetrafluoroethylene,
A method for welding a modified polytetrafluoroethylene molded product characterized in that: 請求項１記載の変性ポリ四フッ化エチレン成形体の溶着方法において、前記接合線及びその近傍は、前記接合体の表裏両面から熱型により押圧しながら加熱し、前記熱型は、一方が他方より幅広に形成されていることを特徴とする変性ポリ四フッ化エチレン成形体の溶着方法。   2. The method for welding a modified polytetrafluoroethylene molded body according to claim 1, wherein the joining line and the vicinity thereof are heated while being pressed from both the front and back surfaces of the joined body by a thermal mold, and one of the thermal molds is the other. A method for welding a modified polytetrafluoroethylene molded product, characterized in that it is formed wider. 請求項２記載の変性ポリ四フッ化エチレン成形体の溶着方法において、前記幅が狭い熱型とシート状の変性ポリ四フッ化エチレン成形体との間には、金属性の板部材が介在していることを特徴とする変性ポリ四フッ化エチレン成形体の溶着方法。 3. The method for welding a modified polytetrafluoroethylene molded body according to claim 2 , wherein a metallic plate member is interposed between the narrow thermal mold and the sheet-shaped modified polytetrafluoroethylene molded body. A method for welding a modified polytetrafluoroethylene molded article characterized by comprising: 請求項１記載の変性ポリ四フッ化エチレン成形体の溶着方法において、前記接合線及びその近傍の加熱終了後、前記接合体の表裏両面から冷却型により加圧しながら冷却することを特徴とする変性ポリ四フッ化エチレン成形体の溶着方法。   The method for welding a modified polytetrafluoroethylene molded body according to claim 1, wherein after the heating of the joint line and the vicinity thereof is finished, cooling is performed while applying pressure from both the front and back surfaces of the joined body with a cooling mold. A method for welding a polytetrafluoroethylene molded body. 接合面を接触させて接合体とし、該接合体表面に形成された接合線及びその近傍を加熱溶着したシート状の変性ポリ四フッ化エチレン成形体であって、前記接合線及びその周辺部における段差が、最大粗さ（Ｒｍａｘ）として１２０μｍ以下であることを特徴とする変性ポリ四フッ化エチレン成形体。   A sheet-shaped modified polytetrafluoroethylene molded body obtained by bringing a bonding surface into contact to form a bonded body and heat-welding a bonding line formed on the surface of the bonded body and the vicinity thereof, in the bonding line and the periphery thereof A modified polytetrafluoroethylene molded product, wherein the step is 120 μm or less in terms of maximum roughness (Rmax). 請求項５記載の変性ポリ四フッ化エチレン成形体で被覆されたことを特徴とするガスケット。   A gasket coated with the modified polytetrafluoroethylene molded product according to claim 5.
JP2006267352A 2006-09-29 2006-09-29 Method for welding modified polytetrafluoroethylene molded body Active JP4965213B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006267352A JP4965213B2 (en) 2006-09-29 2006-09-29 Method for welding modified polytetrafluoroethylene molded body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006267352A JP4965213B2 (en) 2006-09-29 2006-09-29 Method for welding modified polytetrafluoroethylene molded body

Publications (3)

Publication Number Publication Date
JP2008087183A JP2008087183A (en) 2008-04-17
JP2008087183A5 true JP2008087183A5 (en) 2009-03-26
JP4965213B2 JP4965213B2 (en) 2012-07-04

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JP2006267352A Active JP4965213B2 (en) 2006-09-29 2006-09-29 Method for welding modified polytetrafluoroethylene molded body

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JP (1) JP4965213B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4990261B2 (en) 2008-12-25 2012-08-01 日東電工株式会社 Sheet member joining method
JP5378556B2 (en) * 2012-02-10 2013-12-25 日東電工株式会社 Sheet member joining method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183331A (en) * 1986-02-07 1987-08-11 Ogawa Tento Kk Joining method for filmy member
JPH0634091Y2 (en) * 1990-08-02 1994-09-07 三ツ星ベルト株式会社 Joint press for thermoplastic resin belt
JPH06831A (en) * 1992-06-18 1994-01-11 Sumitomo Bakelite Co Ltd Manufacture of laminated sheet
JP3316230B2 (en) * 1992-07-02 2002-08-19 バンドー化学株式会社 Endless construction method of resin belt
JPH08118473A (en) * 1994-10-21 1996-05-14 Tokyo Nisshin Jiyabara Kk Apparatus for welding semifinished thin resin product and structure of welded part
JPH10175256A (en) * 1996-12-19 1998-06-30 Ricoh Co Ltd Connecting method for film, transfer belt formed by the method, and image forming apparatus with the belt
JP2001018293A (en) * 1999-07-09 2001-01-23 Bridgestone Corp Method for joining eva sheet
JP2001280504A (en) * 2000-03-31 2001-10-10 Nichias Corp Rubber gasket structure and manufacturing method therefor
JP4063049B2 (en) * 2001-12-14 2008-03-19 旭硝子株式会社 Film bonding method and method for producing wide film using the method

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