B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 17/22 (2006.01) B22D 15/02 (2006.01) B22D 17/24 (2006.01) B22D 29/00 (2006.01) F16J 1/00 (2006.01)
Patent
CA 2157152
A plastic forming die for formation of outer surface is set on the inner surface of a cavity of a die. The forming die has a forming die body in a square barrel shape, and there are a lot of through holes provided between mount surfaces and inner side surfaces of the forming die body. Grooves communicating with the through holes are provided in the mount surfaces. When a molten metal is injected into the cavity, the through holes of the forming die body form outwardly projecting portions of a cast product. The forming die is then melted to be removed from the cast product.
Hirokawa Koji
Riches Mckenzie & Herbert Llp
LandOfFree
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