Chamber for the thermal treatment of objects

Details Chamber for the thermal treatment of objects Chamber for the thermal treatment of objects

1990-01-02

1990-11-27

Lindsay, Robert L.

Glass manufacturing

Apparatus made of special material

Ceramic material

65168, 65169, 65348, 65346, C03B 5235

Patent

active

049733494

ABSTRACT:
A chamber (1) for the thermal treatment of objects comprises in its interior heating means (3, 4) and means (5) to support the objects (2) to be treated, the walls of this chamber comprising a thermal insulating lining, and a portion (30) of these walls being removable to provide access to the interior of the chamber. Substantially all the internal surface of the chamber (1) is lined with cast silica-base plates (13, 14, 15, 16, 17) disposed side by side, having a coefficient of thermal expansion near zero. Used particularly in plate glass tempering furnaces.

REFERENCES:
patent: 1728350 (1929-09-01), Littleton
patent: 3141756 (1964-07-01), Giffen
patent: 3151965 (1964-10-01), Patterson
patent: 3199966 (1965-08-01), O'Connell et al.
patent: 3294513 (1966-12-01), Beattie
patent: 3337317 (1967-08-01), Ritter
patent: 4207065 (1980-06-01), Ackermann
patent: 4247000 (1981-01-01), Marriott, Jr. et al.
patent: 4322236 (1982-03-01), Sensi
patent: 4450333 (1984-05-01), Andrejco et al.
patent: 4726831 (1988-02-01), Fogle et al.
patent: 4764198 (1988-08-01), Lythgoe

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