Robert J Metz

US Patent:

48907596, Jan 2, 1990

Filed:

Jan 26, 1989

Appl. No.:

7/302016

Inventors:

Theodore P. Scanga - Lower Burrell PA
Matthew P. Kiley - Tarentum PA
Robert J. Metz - Pittsburgh PA
Fred R. Schultz - Lower Burrell PA

Assignee:

Aluminum Company of America - Pittsburgh PA

International Classification:

B65D 1734

US Classification:

220273

Abstract:

An easily-openable container lid made from a laminate material which includes a thick outer thermoplastic layer, a thin intermediate gas barrier layer, preferably of metallic foil, and a heat-sealable inner coating or film layer. A score line extends only partially through the outermost layer of this container lid to define an openable section thereof. The lid is further provided with a pull tab severing laminate material along its score line without delaminating, said tab being affixed to the openable lid section with a hollow, integrally-formed rivet. A retortable container and laminate lid combination is also disclosed.