Invention Grant
- Patent Title: Method of manufacturing a tubular member
- Patent Title (中): 制造管状构件的方法
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Application No.: US13108660Application Date: 2011-05-16
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Publication No.: US09085027B2Publication Date: 2015-07-21
- Inventor: Kishiro Abe , Takamitsu Takano , Koji Takeuchi , Katsuki Kato , Takayuki Nonaka , Satoru Miyashita , Tsuneo Watanabe , Kenji Taguchi , Akira Nakamura , Yuji Iwakura
- Applicant: Kishiro Abe , Takamitsu Takano , Koji Takeuchi , Katsuki Kato , Takayuki Nonaka , Satoru Miyashita , Tsuneo Watanabe , Kenji Taguchi , Akira Nakamura , Yuji Iwakura
- Applicant Address: JP Tokyo
- Assignee: Topy Kogyo Kabushiki Kaisha
- Current Assignee: Topy Kogyo Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: DLA Piper LLP (US)
- Priority: JP2008-294272 20081118; JP2009-262425 20091118
- Main IPC: B21D53/30
- IPC: B21D53/30 ; B21D22/02 ; B21D45/00
Abstract:
A method of manufacturing a tubular member having a non-constant thickness by ironing at least a portion of the tubular material. The ironing apparatus can have a punch and a die, and the die can have a convex and concave side surface opposing the punch. The method can include bending an axial end portion of the tubular material to form a bent portion. The tubular material can then axially engage the die at the bent portion, and then the punch can be moved relative to the die to iron at least a portion of the tubular material.
Public/Granted literature
- US20110214474A1 METHOD OF MANUFACTURING A TUBULAR MEMBER Public/Granted day:2011-09-08
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