Refrigeration – Cooled enclosure – Portable receptacle
Patent
1983-12-19
1985-07-30
King, Lloyd L.
Refrigeration
Cooled enclosure
Portable receptacle
62529, F25D 308
Patent
active
045313830
ABSTRACT:
A screw lid for an insulating container, which includes a sealing cup and a cover surrounding it, can be screwed onto a cap fixed to the cover. The screw lid is made of plastic and traps a plastic sealing ring against a sealing face on the container to close the container and form a seal. The lid includes a hollow cylindrical cooling body that, when the lid is in place, projects into the sealing cup through the opening sufficiently far to be immersed in the liquid in the sealing cup. The cooling body has a maximum cross-sectional dimension such that it can be accommodated by the cross-sectional dimension of the sealing-cup opening without contacting the sealing-cup opening. By filling the cooling body with a suitable coolant and refrigerating the cooling body prior to attaching the lid to the container, the liquid in the sealing cup will be brought to a low temperature and maintained at a low temperature longer.
REFERENCES:
patent: 1199593 (1916-09-01), Muller
patent: 1728572 (1929-09-01), Pearson
patent: 1731539 (1929-10-01), Pearson
patent: 1954369 (1934-04-01), Solomon
patent: 2160165 (1939-05-01), Patterson
patent: 2468661 (1949-04-01), Gladstone
patent: 2734358 (1956-02-01), Himmelfarb
patent: 3059452 (1962-10-01), Griffin
Eslinger Lewis H.
King Lloyd L.
Rotpunkt Dr. Anso Zimmermann
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