Device of quartz glass

Details Device of quartz glass Device of quartz glass

1990-04-30

1991-01-01

Yuen, Henry C.

Heating

Heating apparatus element having protective cooling structure

432225, 432226, F27D 112

Patent

active

049814354

ABSTRACT:
A device of quartz glass for receiving or holding work pieces to be heated in a furnace, a region of the device projecting into the hot furnace zone having an arcuate part with a beginning of curvature and an end of curvature, which is enclosed by a vessel filled with an immersion liquid, heat radiation passed in the material of the device in a region located before the arcuate part due to total reflection being coupled out of the arcuate part and being coupled into the immersion liquid and a region of the device adjoining the arcuate part together with further device parts present at it being colder than the region located before the arcuate part.

REFERENCES:
patent: 3957032 (1976-05-01), Jelesko
patent: 4245982 (1981-01-01), Radoux et al.
patent: 4255137 (1981-03-01), Guyer
patent: 4515562 (1985-05-01), Williams
patent: 4516787 (1985-05-01), Venable
patent: 4580972 (1986-04-01), Hsiung

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