Foods and beverages: apparatus – Beverage – Infusors
Patent
1991-09-10
1992-12-08
Hornsby, Harvey C.
Foods and beverages: apparatus
Beverage
Infusors
215 121, 215 131, 220423, A47J 3100
Patent
active
051687933
ABSTRACT:
A storage flask for maintaining a brewed beverage in a selected elevated temperature state includes a pair of spaced substantially gas-impermable inner and outer walls with interior facing wall surfaces in spaced relationship to one another that enclose an interior lacuna therebetween with subatmospheric pressure conditions in the lacuna. The inner wall defines an inner containment volume for storing the brewed beverage. A first portion of the spaced inner and outer walls is infrared radiation-absorbing in character and forms a heat input portal so that heat incident on the outer wall is radiatively transmitted by the portal to the containment volume for maintaining the brewed beverage in the containment volume at a temperature greater than ambient; and a second portion of the inner and outer walls is infrared radiation reflective in character and bounds the first portion.
REFERENCES:
patent: 1498837 (1924-06-01), Hale
patent: 1549743 (1925-08-01), Bultman et al.
patent: 1566221 (1925-12-01), Lindemuth
patent: 1760378 (1930-05-01), Siegheim
patent: 2448589 (1948-09-01), Gulick
patent: 2725733 (1947-06-01), Davis
patent: 4356381 (1982-10-01), Flaherty, Jr. et al.
patent: 4653469 (1987-03-01), Miyaji et al.
Eagle Flask, Inc.
Hornsby Harvey C.
Spisich Mark
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