Title:
DRAW FORMING METHOD
Document Type and Number:
WIPO Patent Application WO/2014/104047
Kind Code:
A1
Abstract:
A draw bead (1d, 47c, 59c) for adjusting the inflow of a plate-shaped material (1, 47), in which a draw forming part (1a) is formed, into a draw die (25, 49) is formed outside the draw forming part (1a) of the plate-shaped material (1, 47). Using the formed draw bead (1d, 47c, 59c), the draw forming part (1a) is draw-formed in the plate-shaped material (1, 47). After the draw forming part (1a) has been draw-formed, the draw bead (1d, 47c, 59c) is smashed flat.
Inventors:
INOUE SEIJI (JP)
MATSUNO YUSUKE (JP)
MURAKAMI YASUSHI (JP)
MATSUNO YUSUKE (JP)
MURAKAMI YASUSHI (JP)
Application Number:
PCT/JP2013/084555
Publication Date:
July 03, 2014
Filing Date:
December 25, 2013
Export Citation:
Assignee:
NISSAN MOTOR (JP)
International Classes:
B21D22/30; B21D24/04
Foreign References:
JPH0970626A | 1997-03-18 | |||
JPS58205618A | 1983-11-30 | |||
JP2004291005A | 2004-10-21 | |||
JPS6316819A | 1988-01-23 |
Other References:
See also references of EP 2939754A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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