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Patent Searching and Data


Title:
PRESS FORMING DIES
Document Type and Number:
WIPO Patent Application WO/2012/101830
Kind Code:
A1
Abstract:
Lightweight press forming dies are provided. Dies (2, 32) are characterized in that a pattern forming section which makes contact with a workpiece during press forming and provides the workpiece with a desired pattern is configured from bar-like members (pattern forming bars (4, 34)). Since the pattern forming section is configured from the bar-like members, the dies are lightweight. Preferably, the dies (2, 32) are also provided with support bars (6, 36, etc.) for supporting the pattern forming bars (4, 34), and the bar-like members form a framework structure.

Inventors:
ITIJYO Naoki (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
一条 尚樹 (〒71 愛知県豊田市トヨタ町1番地 トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
SATO Yoshiya (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
Application Number:
JP2011/051826
Publication Date:
August 02, 2012
Filing Date:
January 28, 2011
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町1番地 Aichi, 〒4718571, JP)
ITIJYO Naoki (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
一条 尚樹 (〒71 愛知県豊田市トヨタ町1番地 トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
International Classes:
B21D37/02; B21D37/20; B30B15/02
Foreign References:
JPH01197027A
JPS51141766A
JPH07323400A
JPH06269866A
JPH0716670A
Other References:
See also references of EP 2669025A4
Attorney, Agent or Firm:
KAI-U PATENT LAW FIRM (NISSEKI MEIEKI BUILDING 7F, 45-14 Meieki 2-chome, Nakamura-ku, Nagoya-sh, Aichi 02, 〒4500002, JP)
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Claims: