Two-layer closure, particularly for closing plastic containers

Details Two-layer closure, particularly for closing plastic containers Two-layer closure, particularly for closing plastic containers

1981-10-07

1983-08-16

Lesmes, George F.

Bottles and jars

Closures

Retained by bonding or adhesive means

428461, 428355, 428344, 220359, 220258, B65D 5300

Patent

active

043986447

ABSTRACT:
The invention relates to a two-layer composite material comprising a metal foil and an adhesive layer.
The adhesive layer is formed of a mixture of two compounds A and B, compound A being a copolymer of an aliphatic monoolefin and a monoethylenically unsaturated carboxylic acid which has good adhesion for the metal foil and the container, and compound B being a compound adapted to reduce the adhesion of compound A for the metal foil and/or the container.
Said composite material is intended in particular for the fabrication of caps serving as closures for containers.

REFERENCES:
patent: 4131211 (1978-12-01), Corbic

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