Composite high temperature protection tube

Details Composite high temperature protection tube Composite high temperature protection tube

1977-06-07

1978-06-06

Drummond, Douglas J.

Metallurgical apparatus

With control means responsive to sensed condition

With temperature sensor

266225, 428 36, 138141, 138144, 156190, C21C 700, F16L 914, B65N 8100

Patent

active

040931935

ABSTRACT:
The composite tube has an inner core of a first material, an intermediate zone of a second material surrounding said core, and an outer wrap surrounding and confining said intermediate zone. The intermediate zone is spirally wound layers of ceramic paper bonded together. The tube is light in weight and has a very low thermal conductivity.

REFERENCES:
patent: 3036929 (1962-05-01), Kawashima et al.
patent: 3430940 (1969-03-01), Criss
patent: 3463005 (1969-08-01), Hance
patent: 3830173 (1974-08-01), Hubble et al.

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