Bottles and jars – Closures – Cap type
Patent
1980-10-03
1982-07-27
Norton, Donald F.
Bottles and jars
Closures
Cap type
215354, B65D 4128
Patent
active
043413200
ABSTRACT:
A bottle cap having an outer peripheral skirt for receipt around the neck of a bottle with an axial end overlying the throat opening of the bottle, the axial end having a first annular flat land adjacent the outer periphery and a central land raised above the flat land and connected to a flat land by an annular convoluted portion adapted to be received interiorly of the throat opening. The convoluted portion is deformable such that the central land can be depressed to a point approximately coextensive with the top surface of the annular flat land. During depression the convoluted portion snuggly engages the inside diameter wall of the bottle neck. The convoluted portion is dimensioned such that when the cap is placed on the bottle and urged downwardly with respect to the bottle top, the central land will assume a position elevated above the annular flat land.
REFERENCES:
patent: 1162519 (1915-11-01), Schuster
patent: 2034739 (1936-03-01), Bodor
patent: 2914206 (1959-11-01), Lowen
patent: 3057501 (1962-10-01), Kroenert
patent: 3275178 (1966-09-01), Lovell et al.
patent: 3281000 (1966-10-01), Lowen
patent: 4206852 (1980-06-01), Dunn et al.
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