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Patent Searching and Data


Title:
PRESS MOLD AND PRESS-PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2012/067122
Kind Code:
A1
Abstract:
This press mold (100) is equipped with a lower mold (101) that supports the work (W) and an upper mold (102) arranged opposing the lower mold (101). The lower mold (101) has a punch (120) used for draw forming, a blank holder (130) arranged so as to be capable of moving along the side faces of the draw-forming punch (120), and a cushion part (140) that biases the blank holder (130) toward the upper mold (102). The upper mold (102) has a die (160) used for draw forming, arranged opposing the draw-forming punch (120), and a trim part (180) arranged so as to be capable of moving along the side faces of the draw-forming die (160). The blank holder (130) is equipped with a first holder part (131) arranged opposing the end part (162) of the draw-forming die (160), and a second holder part (132) that is arranged opposing the trimming part (180) and is biased by the cushion part (140). The second holder part (132) has a support part (133) that is used for draw forming and supports a first part (131A) of the lower face of the first holder part (131). The draw-forming punch (120) has a support part (123) that is used for trim processing and supports a second part (131B) of the lower face of the first holder part (131). The first holder part (131) has a trimming lower blade (191) at the outer edge portion thereof. The trimming part (180) has a trimming upper blade (192) at the inner edge portion thereof.

Inventors:
EGUCHI HIROYUKI
MATSUDA TOSHIFUMI
SAITO KAZUYA
WATANABE JIRO
TESHIMA KOHEI
NAKAMURA MICHIO
NISHIDA MASAYASU
HASHIMOTO KEN
Application Number:
PCT/JP2011/076317
Publication Date:
May 24, 2012
Filing Date:
November 15, 2011
Export Citation:
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Assignee:
HONDA MOTOR CO LTD (JP)
EGUCHI HIROYUKI
MATSUDA TOSHIFUMI
SAITO KAZUYA
WATANABE JIRO
TESHIMA KOHEI
NAKAMURA MICHIO
NISHIDA MASAYASU
HASHIMOTO KEN
International Classes:
B21D24/16; B21D22/20; B21D24/04; B21D37/08
Foreign References:
JP2004034145A2004-02-05
JPS623217U1987-01-10
JPH0417322U1992-02-13
Attorney, Agent or Firm:
MOTOYAMA Shinya et al. (JP)
Shinya Motoyama (JP)
Download PDF:
Claims: