Screw closures for thermally-insulating containers

Details Screw closures for thermally-insulating containers Screw closures for thermally-insulating containers

1976-10-12

1978-10-24

Hart, Ro E.

Bottles and jars

Closures

Receptacle interior communicable with exterior with closure...

215307, 215314, 215356, B65D 5116

Patent

active

041217306

ABSTRACT:
The invention relates to screw closures for thermally-insulating containers. Each closure has a portion adapted to project into an opening of an inner, thermally-insulating vessel of the container, there being a flexible part provided on said portion, this part being intended to occupy substantially completely the opening of the inner vessel when the screw closure is introduced into the opening to reduce the possibility of heat transfer occurring in the region of the screw closure.

REFERENCES:
patent: 1131304 (1915-03-01), Williamson
patent: 2946491 (1960-07-01), Bramming
patent: 3162319 (1964-12-01), Lee
patent: 3809275 (1974-05-01), Ek
patent: 4033472 (1977-07-01), Aichinger

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