Molded plastic cap with sealing liner

Details Molded plastic cap with sealing liner Molded plastic cap with sealing liner

1984-04-23

1985-07-30

Norton, Donald F.

Bottles and jars

Closures

Retained by bonding or adhesive means

215342, 215347, 215351, 215DIG1, B65D 5304

Patent

active

045316490

ABSTRACT:
A molded plastic closure cap has a number of downwardly projecting fins on the underside of its cover for forming a seal with a container in combination with a liner positioned between the fins and the container rim. The liner is a laminated one consisting of a plastic foam layer engaging the fins, an adhesive layer engaging the package and a thin aluminum foil layer sandwiched between the foam layer and the adhesive layer.

REFERENCES:
patent: 1978946 (1934-10-01), Horner
patent: 4013188 (1977-03-01), Ray
patent: 4121729 (1978-10-01), Husum
patent: 4390552 (1983-06-01), Niwa

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