Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1973-04-25
1976-06-22
Davis, Jr., Albert W.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
13 1, 13 22, 165105, 432 91, 219406, 219540, H05b 362
Patent
active
039653340
ABSTRACT:
A heating device, comprising a tubular body whose inner wall bounds a heating chamber for objects. Between the inner wall and the outer wall of this body a plurality of ducts is provided which are situated in a ring-shape about the heating chamber and which extend parallel to the tube axis. These ducts are separated from each other by rigid partitions. Each duct contains evaporable heat transport medium.
REFERENCES:
patent: 628052 (1899-07-01), Werner
patent: 1084439 (1914-01-01), Ihlee
patent: 1332216 (1920-03-01), Hodge et al.
patent: 3640517 (1970-04-01), Sendt
patent: 3646320 (1972-02-01), Rosatelli et al.
patent: 3651240 (1972-03-01), Kirkpatrick
Asselman George Albert Apolonia
Castelijns Adrianus Petrus Johannes
DE Ruiter Jacob Willem
Green David Bruce
Naastepad Pieter Aart
Davis Jr. Albert W.
Trifari Frank R.
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