Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1977-11-09
1980-06-17
Reynolds, B. A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219349, 219352, 219390, 219405, F27B 504
Patent
active
042085730
ABSTRACT:
A kiln for dental ceramic work comprises a retort housing and a heating means effective to generate the shortwave infrared radiation for heating dental ceramic material to the burning temperature of the ceramic mass within said retort housing. In a specific embodiment, the heating means is effective to provide wavelengths of about 0.7 to 1.5 .mu.m. Various disposition of infrared radiators and retort chamber materials are disclosed.
REFERENCES:
patent: 736509 (1903-08-01), Eimer
patent: 2860225 (1958-11-01), Steen
patent: 3334620 (1967-08-01), De Werth
patent: 3541293 (1970-11-01), MacDonald
patent: 3626154 (1971-12-01), Reed
patent: 3655941 (1972-04-01), Schaun
patent: 3804967 (1974-03-01), Werych
patent: 3862397 (1975-01-01), Anderson
patent: 3954826 (1960-10-01), Sievers
Markva Neil F.
Reynolds B. A.
Roskoski Bernard
Vita Zahnfabrik H. Rauter KG
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