B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/69
B21D 22/10 (2006.01) B21D 22/20 (2006.01) B21D 22/22 (2006.01)
Patent
CA 1241870
ABSTRACT OF THE DISCLOSURE A method of pressing a blank comprises the steps of pressing the blank between a die assembly having a cavity with a highly viscous substance placed therein and a punch, entering the punch into the cavity to increase a pressure of the highly viscous substance in the cavity, and pressing the blank against a surface of the punch under the pressure of the highly viscous substance. The pressing method can form pressed products of complex shape highly accurately without suffering from cracks, wrinkles, or other damages. There is also disclosed a punch and die press suitable for effecting the above pressing method. - 28 -
470948
Furuya Tamio
Kaiho Shigeo
Kasuya Atsuo
Kumashiro Masayuki
Nakayama Yusho
Honda Giken Kogyo Kabushiki Kaisha (also Trading As Honda Motor Ltd .)
Johnson Douglas S. Q.c.
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