Container closure caps and compositions for forming gaskets for

Details Container closure caps and compositions for forming gaskets for Container closure caps and compositions for forming gaskets for

1989-04-13

1991-01-01

Marcus, Stephen

Bottles and jars

Closures

Cap type

260876, 26433115, 525222, B65D 5300

Patent

active

049812319

ABSTRACT:
When a gasket of thermoplastic material is moulded in a polypropylene cap, the adhesion of the gasket to the cap at temperatures below 200.degree. C. is improved by including an adhesion-promoting polymer of propylene in the thermoplastic composition.

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Japanese Abstract 53127546.
Japenese Patent Abstract 59041342.

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