B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1176, 18/1196
B29C 45/73 (2006.01) B29C 35/00 (2006.01)
Patent
CA 1155267
ABSTRACT A negative pressure cooling system for cooling pas- sageways in plastic molds includes a closed reservoir that is maintained under a high vacuum by a vacuum fluid pump with the outlet of the cooling passageway being connected to the reservoir inlet and with the reservoir outlet being connected to the cooling passageway inlet through a pressure pump and a fluid pressure regulator.
361063
Logic Devices Inc.
Smart & Biggar
LandOfFree
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