Closure for containers

Details Closure for containers Closure for containers

1975-04-08

1976-10-26

Norton, Donald F.

Bottles and jars

Closures

Receptacle interior communicable with exterior with closure...

215329, B65D 5116

Patent

active

039879216

ABSTRACT:
A twist closure or screw-type cap is disclosed. The closure which has internal threading is for fitting onto a container having external threading. In one embodiment the uppermost thread turn of the internal threading of the cap terminates a distance spaced from the crown plate of the cap. In a further embodiment the cap is provided with a stopper which projects into and seals the opening of a container when the closure is positioned on the container, and characterized in that at least one beadlike enlargement is provided on the threading of the cap and/or container in the region of the beginning of thread commencement.

REFERENCES:
patent: 1549910 (1925-08-01), Cramer
patent: 2162880 (1939-06-01), Brown
patent: 3147876 (1964-09-01), Lepore
patent: 3405831 (1968-10-01), Hudson
patent: 3435978 (1969-04-01), Wittwer
patent: 3682345 (1972-08-01), Baugh

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