Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Including means to prepare parison
Patent
1991-12-27
1993-02-09
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
Including means to prepare parison
1988038, 269 56, 294 93, B29C 4942
Patent
active
051851636
ABSTRACT:
A reheat blow mold machine includes a preform loader, an oven, a mold station and a preform transfer mechanism for transporting preforms form the oven to the mold station. A loader defines a plurality of lanes within which the preforms are supported. A reciprocal jaw assembly moves the preforms from a receiving end to a load end of the oven. The oven includes a plurality of tandemly arranged abutting pallets which rotatably support the preforms. The pallets are stepped through the oven and moved between a receiving end and a discharge end by a pair of elevators and a return conveyor. The transfer mechanism includes two sets of jaw assemblies, a pair of slidable actuators and a compensation mechanism to automatically adjust for tolerance variations in the diameter of the performs. A mold station includes a pair of opposed platens which support mold halves. A bottom platen is positioned by a cam arrangement mounted on the opposed platens.
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Belcher Samuel L.
Smith Roger D.
Swiderski Kevin J.
Wiatt James G.
Chiesa Richard L.
Geddes Paul E.
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