B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 43/32 (2006.01) B29C 45/12 (2006.01) B29C 45/17 (2006.01) B29C 45/67 (2006.01) B30B 1/32 (2006.01) B30B 11/04 (2006.01) F16J 10/02 (2006.01)
Patent
CA 2070867
ABSTRACT A molding press (10) for simultaneously operating a pair of molds, each having a pair of mold sections (M1, M2; M3, M4), including a base (13) for mounting two horizontally displaced mold sections (M1, M3), each constituting one section of one of the pair of molds, a first bolster (11) for mounting a mold section (MZ) in alignment for mating engagement with one mold section (M1) on the base, a second bolster (12) for mounting a mold section (M4) in alignment for mating engagement with the other mold section (M3) on the base, rod assemblies (30) for interconnecting the first bolster and the second bolster in fixed space relation, for guiding relative movement between the base and the bolsters during opening and closing of the pair of molds, and for mounting pistons (44, 160) operatively interrelated with cylinder assemblies (40, 140) on the base, and an auxiliary cylinder assembly (70) 39,165-F for effecting relative movement between the base and the bolsters for opening of one of the pair of molds while closing the other of the pair of molds and vice versa. The pistons (160) may be provided with fluid transfer bores (165) for selectively providing for relative displacement between the pistons (160) and fluid in the cylinder assemblies (140).
Smart & Biggar
The Dow Chemical Company
Zakich Paul
LandOfFree
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