B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/670
B29C 44/34 (2006.01) B29C 33/10 (2006.01)
Patent
CA 1219107
ABSTRACT OF THE INVENTION Method for making molded cellular plastic products by venting a port in the mold to create a pressure differential sufficient to burst the cells, thereby creating a non-crush material.
442823
Hopley William G.
Union Carbide Corporation
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