Staged compression molding process

Details Staged compression molding process Staged compression molding process

2006-09-19

2006-09-19

Heitbrink, Jill L. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Plural sequential shaping or molding steps on same workpiece

C264S320000, C264S325000

Reexamination Certificate

active

07108823

ABSTRACT:
A process of molding a container closure comprises depositing a gob of thermoplastics material in a mold cavity and then moving mold plates in an upper mold portion relative to an opposing lower mold portion to form the container closure in the mold cavity.

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