Bottles and jars – Closures – With means to facilitate closure removal
Patent
1986-02-18
1987-07-14
Norton, Donald F.
Bottles and jars
Closures
With means to facilitate closure removal
215328, B65D 4142
Patent
active
046796975
ABSTRACT:
A cap blank for a bottle or jar comprising a disc formed with at least one depression. The depression provides a line of weakness when a cap formed from the blank is installed on a bottle or jar. A cap is also described. The cap can be removed from a bottle or jar by hand and is installed on conventional equipment for crimped tops, in the case of a bottle, or by hand or by conventional equipment for a jar.
REFERENCES:
patent: 868225 (1907-10-01), Schonert et al.
patent: 1996554 (1935-04-01), Shearwood
patent: 2156258 (1939-05-01), Atwood
patent: 3200982 (1965-08-01), Cormier
patent: 3269577 (1966-08-01), Stuart
patent: 4060172 (1977-11-01), Amabili
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