Electric heating – Heating devices – Tool or instrument
Patent
1975-03-07
1977-01-25
Bartis, A.
Electric heating
Heating devices
Tool or instrument
30140, 30324, 219523, 219533, 425282, H05B 100, A47J 4328, H05B 380
Patent
active
040053105
ABSTRACT:
A gravy warming ladle has a bowl comprising a pair of concavo-convex shell-like upper and lower parts with the upper part received within and having its bottom spaced from the lower part to form a hollow cavity therebetween that tapers from a maximum size at the center to a minimum size at the edges and with the edges of the parts being united in a thin free edge. An electric heating element is disposed in a mass of asbestos heat storing insulation filling the cavity. A tubular handle is attached to a neck on the bowl formed by fitted-together semi-cylindrical projections on the upper and lower parts. Current supply wires extend through the handle and are connected to the heating element at the neck portion. Insulating blocks in the neck portion insure proper insulation of the connections between the wires and heating element.
REFERENCES:
patent: 1255906 (1918-02-01), Miller
patent: 1323523 (1919-12-01), Cox
patent: 1732502 (1929-10-01), Cox
patent: 1971577 (1924-08-01), Parker
patent: 1974051 (1934-09-01), Kelly
patent: 2114703 (1938-04-01), Commer
patent: 2166810 (1939-07-01), Gammeter
patent: 2256770 (1941-09-01), Armstrong
patent: 2260689 (1941-10-01), Miller
patent: 3325627 (1967-06-01), Adler et al.
patent: 3513290 (1970-05-01), Burley et al.
patent: 3886345 (1975-05-01), Baisch
Baisch J. C.
Bartis A.
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