Heat insulating screen

Details Heat insulating screen Heat insulating screen

1975-04-21

1977-09-20

Camby, John J.

Stoves and furnaces

Stove doors and windows

Transparent panel

350 1, F23M 700

Patent

active

040489787

ABSTRACT:
A heat insulating screen forming a part of an oven or furnace comprising two or more sheets of glass of vitrocrystalline material mounted in facing relationship, one sheet providing one exterior face of the screen having been subjected to a chemical tempering treatment, the other sheet providing the other exterior face of the screen having improved thermal properties which are obtained either by utilizing a borosilicate glass which has a coefficient of thermal expansion of less than 5 x 10.sup.-6 /.degree. C or a sheet bearing at least one coating capable of screening off a significant amount of incident infrared radiation.

REFERENCES:
patent: 2612154 (1952-09-01), Mills
patent: 2695247 (1954-11-01), Junge
patent: 2779136 (1957-01-01), Hood et al.
patent: 3457138 (1969-07-01), Miller
patent: 3507267 (1970-04-01), Lafforgue
patent: 3630809 (1971-12-01), Edwards
patent: 3666534 (1972-05-01), Aachen et al.
patent: 3677814 (1972-07-01), Gillery
patent: 3880631 (1975-04-01), Ripley

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