B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1069
B29C 51/44 (2006.01) B29C 51/38 (2006.01)
Patent
CA 1137727
THERMOFORMING MACHINE WITH AUTOMATICALLY MECHANICALLY OPERATED WEB STRIPPING ELEMENT ABSTRACT OF THE DISCLOSURE In differential pressure synthetic plastics thermoforming machinery, mold support assemblies mounted on a frame have relative movement between a mold open and a mold closed position. Power operated mechanism is pro- vided for axially moving at least the female mold support assembly, and the female mold on the assembly which carries a stripper element mounted for relative movement with the mold. Mechanism is provided for automatically latching the stripper element to the frame as the female mold moves to- ward mold closed position, and abutments are provided on the mold support assembly and latch for automatically unlatch- ing it only after the female mold has withdrawn a predeter- mined distance in its movement toward mold open position.
362113
Arends Albert W.
Henke Ronald E.
Leesona Corporation
Ridout & Maybee Llp
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