Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRESS FORMING DEVICE AND DIE REPLACEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2012/073335
Kind Code:
A1
Abstract:
With a material (M) inserted between at least one pair of opposing dies (50a, 52a, 54a, 56a, 58a, 60a), the disclosed press forming device (2) is capable of forming a workpiece from the material by pressing with the at least one pair of dies (50a, 52a, 54a, 56a, 58a, 60a). When replacing the at least one pair of dies (50a, 52a, 54a, 56a, 58a, 60a), the at least one pair of dies (50a, 52a, 54a, 56a, 58a, 60a) is replaced with the material (M) or the workpiece still in a state in which said material (M) or workpiece is inserted between said at least one pair of dies (50a, 52a, 54a, 56a, 58a, 60a).

Inventors:
KOJIMA YOICHIRO (JP)
OGAWA MASANORI (JP)
ANDO MASAAKI (JP)
SAKAKIBARA AKIRA (JP)
Application Number:
PCT/JP2010/071388
Publication Date:
June 07, 2012
Filing Date:
November 30, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KOJIMA PRESS KOGYO KK (JP)
TEKUNOHAMA CO LTD (JP)
KOJIMA YOICHIRO (JP)
OGAWA MASANORI (JP)
ANDO MASAAKI (JP)
SAKAKIBARA AKIRA (JP)
International Classes:
B21D37/04
Foreign References:
JPS5582131U1980-06-06
JP2000141320A2000-05-23
Attorney, Agent or Firm:
OKADA PATENT & TRADEMARK OFFICE, P. C. (JP)
Patent business corporation Okada international patent firm (JP)
Download PDF:
Claims: