Means and methods of sealing lids on containers

Details Means and methods of sealing lids on containers Means and methods of sealing lids on containers

1987-10-06

1988-11-01

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220 67, 53477, B65D 1748

Patent

active

047813040

ABSTRACT:
Plastic portions of a container rim and mating lid are fused together by an electrical conductor wire loop positioned therebetween when electromagnetically coupled to an induction heating coil. The wire forms a tab extending outside the closed container which may be manually manipulated to remove a lid fused in place to close the container. This container may be hermetically sealed with sanitized foodstuff or the like by concurrently sterilizing with microwave energy while fusing the lid in place.

REFERENCES:
patent: 2998158 (1961-08-01), Tupper
patent: 3799389 (1974-03-01), Bloeck
patent: 3799389 (1974-03-01), Bloeck
patent: 4044941 (1977-08-01), Knudsen
patent: 4406860 (1983-09-01), Beauvais et al.
patent: 4474304 (1984-10-01), Jacobs
patent: 4586624 (1986-05-01), Shaw

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