Electric heating – Heating devices – Combined with diverse-type art device
Patent
1996-01-11
1998-05-19
Walberg, Teresa J.
Electric heating
Heating devices
Combined with diverse-type art device
433 30, 433 32, H05B 100, A61B 124, A61C 300
Patent
active
057538905
ABSTRACT:
A casing seals to the edge of a mirror blank to form an autoclavable unit. An electrically energizable heater element is enclosed within the unit. The element is connected to a plug which extends from the casing and is adapted to engage a socket when the unit nests in a recess in a rack. A transformer is connected to the socket such that the heater is energized to preheat the unit while in the rack. Removal of the unit from the rack disconnects the electric supply, permitting the preheated unit to used without danger of shock. Several units may be preheated simultaneously on a single rack.
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Epstein Robert L.
James Harold
Paik Sam
Walberg Teresa J.
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