B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/673
B29C 67/20 (2006.01) C08J 9/18 (2006.01) C08J 9/22 (2006.01)
Patent
CA 1259768
ABSTRACT Specifically defined expandable synthetic resinous particles are molded by injecting heated air generally centrally into the mold cavity by means of a probe, withdrawing the probe and heating the surface of the mold. Low densities and rapid cycle times are obtained.
507008
Alexander Willard E.
Raeck Cal A.
Rubens Louis C.
Smart & Biggar
The Dow Chemical Company
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