Title:
PLATE PRESS FORMING METHOD AND PRESS FORMED PRODUCT
Document Type and Number:
Japanese Patent JP2008213037
Kind Code:
A
Abstract:
To provide a press formed product which can be developed to mass production and satisfies the requested dent resistance, dimensional accuracy, tension rigidity and surface quality.
A forming device restrains an outer circumference of a blank 100 by upper and lower blank holders 1, 2, holds the blank 100 by a seal body 6 with a fluidized material sealed therein and a punch 7, and presses it to press the blank 100 by the seal body 6 and the punch press 7.
Inventors:
SAITO TAKANOBU
KOMATSU KEISUKE
MATSUMOTO KOKI
KOMATSU KEISUKE
MATSUMOTO KOKI
Application Number:
JP2007197680A
Publication Date:
September 18, 2008
Filing Date:
July 30, 2007
Export Citation:
Assignee:
JFE STEEL KK
TOKYO ZAIRYO CO LTD
FUJIKURA RUBBER LTD
TOKYO ZAIRYO CO LTD
FUJIKURA RUBBER LTD
International Classes:
B21D22/10; B21D22/02; B21D53/88
Domestic Patent References:
| JP2000028259A | 2000-01-28 | |||
| JP2000028259A | 2000-01-28 | |||
| JPS62137126A | 1987-06-20 | |||
| JPS52108360A | 1977-09-10 |
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Yoshiaki Naito
Cui Shu Tetsu
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