Container closure having easily openable liner comprised of base

Details Container closure having easily openable liner comprised of base Container closure having easily openable liner comprised of base

1978-11-30

1981-03-17

Schofer, Joseph L.

Bottles and jars

Closures

Cap type

260 326A, 525 95, B65P 5300, C08L 2316

Patent

active

042562341

ABSTRACT:
Container closure having an easily openable liner, said liner being composed of a composition comprising a base resin consisting of 95 to 30% by weight of a crystalline polyolefin and 5 to 70% by weight of a lowly crystalline or amorphous copolymer of ethylene with otherolefin, a lubricant in an amount of 0.001 to 5% by weight based on said base resin and a polymer containing at least 10% by weight of a conjugated diene in an amount of 1 to 15% by weight based on said base resin. This closure has a good sealing property and an easy openability in combination.

REFERENCES:
patent: 3478128 (1969-11-01), Hegemeyer
patent: 3515528 (1970-06-01), Juther et al.
patent: 3563402 (1971-02-01), Arnold et al.
patent: 4010128 (1977-03-01), Saggese et al.
patent: 4112158 (1978-09-01), Creekmore et al.
patent: 4126662 (1978-11-01), Middlebrook

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