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Patent Searching and Data


Title:
プレス型
Document Type and Number:
Japanese Patent JP3601326
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To permit drawing as well as drawing/bending in one cycle of a press machine so as to reduce a working time and to reduce a size of a die device so as to facilitate its integration to a general purpose press machine. SOLUTION: A die is provided with a upper surface plate 13 mounted to an upper bolster 13 of a press machine, an upper die 2 and a lower die 1 to draw a work W, a drawing/bending die 16 having a bending blade 6, an actuator 11 for drawing/bending to press down the drawing/bending die 16 and a pressure source 8 to energize the drawing/bending die 16 to an upper position. After the work W is drawn by the upper die 2 and the lower die 1 by pressing down the upper die 2 together with the upper bolster 22 and the upper surface plate 13, successively, by pressing down the drawing/bending die 16 with the actuator 11 for drawing/bending, the work W is drawn/bent.

Inventors:
Hiroshi Urakawa
Yoshinori Watanabe
Application Number:
JP33606298A
Publication Date:
December 15, 2004
Filing Date:
November 26, 1998
Export Citation:
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Assignee:
Toyota Auto Body Co., Ltd.
International Classes:
B21D22/26; B21D24/00; B21D24/16; B21D28/10; (IPC1-7): B21D24/16; B21D24/00; B21D28/10
Domestic Patent References:
JP8090093A
JP7009045A
JP1128911U
Attorney, Agent or Firm:
Hidehiko Okada
Hideo Kodama
Toshiyuki Ikeda
Tetsuya Hasegawa
Tetsuyuki Iwata
Atsuko Nakamura
Hiroaki Murase