Title:
MULTISTAGE PRESS DEVICE AND MULTISTAGE PRESS METHOD
Document Type and Number:
WIPO Patent Application WO/2013/098927
Kind Code:
A1
Abstract:
Provided is a multistage press device capable of preventing uneven loading during press processing. This multistage press device (100) comprises a lower stage mold (10) and an upper stage mold (20) arranged in series in the press direction, wherein the lower stage mold (10) and the upper stage mold (20) form a side outer part (L1) and a side outer part (R2) comprising a bottom lower part (10D) and a bottom lower part (20D), respectively, which are in plane symmetry. The lower stage mold (10) and the upper stage mold (20) are arranged such that the bottom lower part (10D) of the side outer part (L1) and the bottom lower part (20D) of the side outer part (R2) are in plan symmetry with respect to a surface perpendicular to the press direction.
Inventors:
MATSUMURA TAKUYA (JP)
HASEGAWA KOJI (JP)
YAMAMOTO HIROKI (JP)
MARUYAMA TOSHINORI (JP)
HOSHINO TAKAHIRO (JP)
HASEGAWA KOJI (JP)
YAMAMOTO HIROKI (JP)
MARUYAMA TOSHINORI (JP)
HOSHINO TAKAHIRO (JP)
Application Number:
PCT/JP2011/080117
Publication Date:
July 04, 2013
Filing Date:
December 26, 2011
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
MATSUMURA TAKUYA (JP)
HASEGAWA KOJI (JP)
YAMAMOTO HIROKI (JP)
MARUYAMA TOSHINORI (JP)
HOSHINO TAKAHIRO (JP)
MATSUMURA TAKUYA (JP)
HASEGAWA KOJI (JP)
YAMAMOTO HIROKI (JP)
MARUYAMA TOSHINORI (JP)
HOSHINO TAKAHIRO (JP)
International Classes:
B30B15/02; B30B7/02
Foreign References:
| JPS63140728A | 1988-06-13 | |||
| JPS6444227A | 1989-02-16 | |||
| JPS63126699A | 1988-05-30 | |||
| JPS61104828A | 1986-05-23 |
Attorney, Agent or Firm:
YANO Juichiro (JP)
Juichiro Yano (JP)
Juichiro Yano (JP)
Download PDF:
Claims:
Previous Patent: PRESS DEVICE, AND PRESSURE SOURCE OF A PRESS DEVICE
Next Patent: VEHICLE DRIVE DEVICE
Next Patent: VEHICLE DRIVE DEVICE