Container cover with peelable liner

Details Container cover with peelable liner Container cover with peelable liner

1979-08-17

1981-03-03

Norton, Donald F.

Bottles and jars

Closures

Combined or convertible

215230, B65D 5304

Patent

active

042535808

ABSTRACT:
A container closure for use in packaging flowable materials is disclosed comprising a closure shell, a peelable thermoplastic liner disposed on the inner surface of the shell and having a thick periphery and a comparatively thin central portion with a demarcated peeling tab extending to the periphery of the liner, and at least one adhesive interfacial layer separating the liner from and peelably bonding said liner to the shell and having a non-adhesive or weakly adhesive zone underlying and corresponding to the periphery of the liner and a relatively strongly adhesive zone underlying and corresponding to the central portion of the liner.

REFERENCES:
patent: 4111323 (1978-09-01), Ichinose et al.
patent: 4157143 (1979-06-01), Doi
patent: 4165009 (1979-08-01), Murayama

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