Method of making a stopper for a sterile fluid container

Details Method of making a stopper for a sterile fluid container Method of making a stopper for a sterile fluid container

1983-03-17

1985-11-19

Hoag, W. E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

156245, 1563077, 215247, 215364, 264268, 264320, 264325, B29H 900, B29C 1100

Patent

active

045541256

ABSTRACT:
A molding process for manufacturing laminated stoppers having an elastomer core and thin thermoplastic liner where a sheet of thermoplastic liner material having an elongation of at least 450% and the vulcanizable elastomer core material are placed in a mold and molded at a temperature above the vulcanization temperature of the elastomer core but below the crystalline molding point of the thermoplastic liner.

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patent: 4254884 (1981-03-01), Maruyama

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