Tandem molding of plastic containers

Details Tandem molding of plastic containers Tandem molding of plastic containers

1989-07-14

1990-09-04

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Differential temperature conditioning

264527, 264529, 264543, 425536, 425540, B29C 4904, B29C 4936, B29C 4960, B29C 4978

Patent

active

049543105

ABSTRACT:
Apparatus and method are provided for expanding an earlier-extruded portion (42) of extruded plastic tubing (38) or plastic parison (41) into a first container (96a), for expanding a later-extruded portion (43) of the extruded plastic tubing (38) or parison (41) into a second container (96b), for delaying exanding the second portion (43) with respect to expanding the first portion (42) into the first container (96a), and for subsequently separating the second container (96b) from the first container (96a).

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