Stock material or miscellaneous articles – Circular sheet or circular blank – Ornamental – decorative – pattern – or indicia
Patent
1989-03-20
1992-04-14
Seccuro, Carman J.
Stock material or miscellaneous articles
Circular sheet or circular blank
Ornamental, decorative, pattern, or indicia
428 64, 428516, 525 74, 525222, 525240, B65D 5300
Patent
active
051047101
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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Baker William L.
Hubbard John Dana
Seccuro Carman J.
W. R. Grace & Co.,-Conn.
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