Title:
圧縮ハイドロフォーミング
Document Type and Number:
Japanese Patent JP4846949
Kind Code:
B2
Abstract:
Forming a tubular workpiece by applying fluid pressure to the interior of the workpiece and enclosing the pressurized workpiece in a die that has a die cavity. A portion or the whole of the die cavity has its internal periphery smaller than the external periphery of the workpiece. This subjects the workpiece to compressive forming.
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Inventors:
Marks, Larry Dee
Besterd, Thomas El
Crazis, Gerald A.
Besterd, Thomas El
Crazis, Gerald A.
Application Number:
JP2001545017A
Publication Date:
December 28, 2011
Filing Date:
December 15, 2000
Export Citation:
Assignee:
Bali-Form Incorporated
International Classes:
B21D26/033; B21D26/047; B21D28/28; B21D51/16
Domestic Patent References:
| JPH06312215A | 1994-11-08 | |||
| JPH0890097A | 1996-04-09 | |||
| JPS3817159B1 |
Attorney, Agent or Firm:
Sadao Muramatsu
Ryo Hashimoto
Toshio Shirane
Ryo Hashimoto
Toshio Shirane