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Patent Searching and Data


Title:
PRESS FORMING METHOD
Document Type and Number:
Japanese Patent JP2618847
Kind Code:
B2
Abstract:

PURPOSE: To provide the press forming method by which a press formed part having a rugged part or an opening part on the forming surface can be obtained easily and rationally.
CONSTITUTION: At the time of forming a press formed part having a rugged part on the forming surface, a rugged part 17 is formed in advance on the forming scheduled surface of a plate-like stock 10, and subsequently, a die 22 is pressed from the recessed part surface side of the stock on which the rugged part is formed, and also, forming is executed by providing a space part 33 on the stock surface having a projecting part, of the opposite side to the pressing side.


Inventors:
Hishida, Toshiro
Application Number:
JP1992000070154
Publication Date:
March 11, 1997
Filing Date:
February 19, 1992
Export Citation:
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Assignee:
SANKO SEIKI KK
International Classes:
B21D22/26; B21D22/02; B21D28/24; B21D31/00; (IPC1-7): B21D22/26
Domestic Patent References:
Attorney, Agent or Firm:
後藤 憲秋 (外1名)