JPS56136245A - Formation of frame pipe for bicycle - Google Patents

Formation of frame pipe for bicycle

Info

Publication number
JPS56136245A
JPS56136245A JP3900780A JP3900780A JPS56136245A JP S56136245 A JPS56136245 A JP S56136245A JP 3900780 A JP3900780 A JP 3900780A JP 3900780 A JP3900780 A JP 3900780A JP S56136245 A JPS56136245 A JP S56136245A
Authority
JP
Japan
Prior art keywords
pipe
recess
dies
punch shaft
bulging
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
JP3900780A
Other languages
English (en)
Inventor
Kikuzo Takamiya
Hiroshi Todoroki
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.)
Bridgestone Cycle Co Ltd
Original Assignee
Bridgestone Cycle 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 Bridgestone Cycle Co Ltd filed Critical Bridgestone Cycle Co Ltd
Priority to JP3900780A priority Critical patent/JPS56136245A/ja
Publication of JPS56136245A publication Critical patent/JPS56136245A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Motorcycle And Bicycle Frame (AREA)
JP3900780A 1980-03-28 1980-03-28 Formation of frame pipe for bicycle Pending JPS56136245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3900780A JPS56136245A (en) 1980-03-28 1980-03-28 Formation of frame pipe for bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3900780A JPS56136245A (en) 1980-03-28 1980-03-28 Formation of frame pipe for bicycle

Publications (1)

Publication Number Publication Date
JPS56136245A true JPS56136245A (en) 1981-10-24

Family

ID=12541042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3900780A Pending JPS56136245A (en) 1980-03-28 1980-03-28 Formation of frame pipe for bicycle

Country Status (1)

Country Link
JP (1) JPS56136245A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153184U (ja) * 1982-04-09 1983-10-13 ブリヂストンサイクル株式会社 自転車用立フレ−ム
JPS58196285U (ja) * 1982-06-24 1983-12-27 ブリヂストンサイクル株式会社 二輪車用メインフレ−ム
US4541648A (en) * 1982-04-08 1985-09-17 Bridgestone Cycle Co., Ltd. Bicycle frame
JPS61259848A (ja) * 1985-05-10 1986-11-18 Toho Seisakusho:Kk 自動車用デイフアレンシヤルギアケ−スの成形方法
WO1997027098A1 (de) * 1996-01-24 1997-07-31 Hans Schauff, Fahrradfabrik Einstückiger fahrradrohrrahmen
CN105539701A (zh) * 2016-02-15 2016-05-04 明达铝业科技(太仓)有限公司 一种滑板车凸台首管与组件管件一体式成型的方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541648A (en) * 1982-04-08 1985-09-17 Bridgestone Cycle Co., Ltd. Bicycle frame
JPS58153184U (ja) * 1982-04-09 1983-10-13 ブリヂストンサイクル株式会社 自転車用立フレ−ム
JPS6310395Y2 (ja) * 1982-04-09 1988-03-28
JPS58196285U (ja) * 1982-06-24 1983-12-27 ブリヂストンサイクル株式会社 二輪車用メインフレ−ム
JPS61259848A (ja) * 1985-05-10 1986-11-18 Toho Seisakusho:Kk 自動車用デイフアレンシヤルギアケ−スの成形方法
WO1997027098A1 (de) * 1996-01-24 1997-07-31 Hans Schauff, Fahrradfabrik Einstückiger fahrradrohrrahmen
CN105539701A (zh) * 2016-02-15 2016-05-04 明达铝业科技(太仓)有限公司 一种滑板车凸台首管与组件管件一体式成型的方法

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