Heat-treatment furnace

Details Heat-treatment furnace Heat-treatment furnace

1990-12-05

1992-05-19

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219405, 219411, 219522, 392408, 392416, 432121, 118725, F27B 514

Patent

active

051151189

ABSTRACT:
A heat-treatment furnace comprising a process tube for containing an object of treatment, a heater surrounding the process tube, and an infrared impermeable member located on the process tube side of the heater and at least one the side of an open end of the process tube through which the object of treatment is carried in and out.

REFERENCES:
patent: 3626154 (1971-12-01), Reed
patent: 3678889 (1972-07-01), Murakami et al.
patent: 3972682 (1976-08-01), Stephens et al.
patent: 4412812 (1983-11-01), Sadowski et al.
patent: 4699084 (1987-10-01), Wilson et al.
patent: 4760244 (1988-07-01), Hokynar
patent: 4849608 (1989-07-01), Muraoka et al.
patent: 4950870 (1990-08-01), Mitsuhashi et al.
patent: 4954685 (1990-09-01), Kumagai et al.

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