Heat-insulated exhaust pipe

Details Heat-insulated exhaust pipe Heat-insulated exhaust pipe

1974-03-04

1976-09-07

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156215, 156319, 427179, B65H 8100

Patent

active

039792463

ABSTRACT:
A metal tube covered with a flexible and porous heat insulator is immersed in a processing liquid comprising a silica-containing salt and water followed by drying. The insulator is stiffened and clings to the tube, so that strength, durability and heat resistance is improved, and clamping is facilitated.

REFERENCES:
patent: 740131 (1903-09-01), Heany
patent: 967360 (1910-08-01), Funke
patent: 1470723 (1923-10-01), Gillies
patent: 2009619 (1935-07-01), Huffine
patent: 2019417 (1935-10-01), King
patent: 3259536 (1966-07-01), Gaeth et al.
patent: 3769072 (1973-10-01), Echerd et al.
patent: 3835054 (1974-09-01), Olewinski et al.

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