Long life cover for heat chamber

Details Long life cover for heat chamber Long life cover for heat chamber

1988-12-07

1990-03-06

Yuen, Henry C.

Heating

Heating or heat retaining work chamber structure

Door, cover or port

110173A, 110336, 432237, F27D 118

Patent

active

049061844

ABSTRACT:
A method and means of heat insulating the opening in a heat chamber, e.g., a soaking pit, comprises applying a cover including an inside lining of ceramic fibres, under a load which is selected so that the fibres contact a peripheral wall of the opening under a pressure which is sufficient to form a seal with the wall but insufficient to cause the fibres to be crushed.

REFERENCES:
patent: 3853077 (1974-12-01), Malovich
patent: 3854262 (1974-12-01), Brady
patent: 4406619 (1983-09-01), Oldengott
patent: 4418107 (1983-11-01), Yost
patent: 4524702 (1985-06-01), Miller et al.
patent: 4530441 (1985-07-01), Miller et al.
patent: 4580974 (1986-04-01), Brashler
patent: 4597341 (1986-07-01), Suey
patent: 4640202 (1987-02-01), Schraff et al.
patent: 4721461 (1988-01-01), Falk

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