Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1983-07-21
1986-07-29
Envall, Jr., Roy N.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219400, 165122, 432138, F27B 916, F27D 308, A21B 126
Patent
active
046032487
ABSTRACT:
An involuted track is defined by a spiralled wall normal to a planar surface. The planar surface is rotated coaxially with respect to the wall while the wall remains stationary with respect to the surface. Objects are loaded into the track through entrance, conducted along the track by means of the rotating planar surface, and leave the track via an exit. En route, the heat level of the objects are altered to bring them to a desired temperature by the time they reach the exit. The objects are preferably heated or cooled by a forced fluid of suitable temperature.
REFERENCES:
patent: 1173273 (1916-02-01), Hubbard
patent: 2585559 (1952-02-01), Lakso
patent: 2784566 (1957-03-01), Reynolds
patent: 2873019 (1959-02-01), Kay
patent: 2911345 (1959-11-01), Swenson
patent: 3405531 (1968-10-01), Davis
patent: 3536132 (1970-10-01), Pecoraro
patent: 4132216 (1979-01-01), Guibert
patent: 4402668 (1983-09-01), Cameron
Envall Jr. Roy N.
Sym-Tek Systems, Inc.
Tighe Thomas J.
Walberg Teresa J.
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