B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 18/06 (2006.01) B22D 17/14 (2006.01)
Patent
CA 2159023
A die casting vacuum valve system with mating vent blocks which include lands and grooves defining a serpentine path enabling overflow of molten material. The path restricts. stops and prevents further flow of the molten material in the case of an electrical or mechanical malfunction.
Freeman Lewis Gene
Marks & Clerk
LandOfFree
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