Radiant energy – Supported for nonsignalling objects of irradiation – With source support
Patent
1989-09-29
1991-05-21
Anderson, Bruce C.
Radiant energy
Supported for nonsignalling objects of irradiation
With source support
422 24, G01N 2300
Patent
active
050177907
ABSTRACT:
A temperature controller unit for dental agar impression materials is provided, which comprises in combination a box member having a lid disigned to be closed to shut off the outside air or prevent substantial entrance of the outside air, a heating device provided within the box member for heating the air within the box member to heat a dental agar impression material from a first heating temperature at which it is put in a complete sol state to a second heating temperature at which it remains in a sol state to take an intra-oral impression, a fan provided within the box member for circulating the air within the box member, a temperature detecting device provided within the box member for detecting the temperature of the air within the box member, a heating device controlling section provided within the box member for controlling the heating devices in receipt of a signal from the temperature detecting devices and a container holder provided within the box member for holding a plurality of containers filled therein with the dental agar impression material.
REFERENCES:
patent: 2587131 (1952-02-01), Ficken
patent: 3820251 (1974-06-01), Abernathy
patent: 4114024 (1978-09-01), Donner
patent: 4412134 (1983-10-01), Herold et al.
patent: 4448750 (1984-05-01), Fuesting
patent: 4771162 (1988-09-01), Schatz et al.
patent: 4774415 (1988-09-01), Biezel et al.
Anderson Bruce C.
G-C Dental Industrial Corp.
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