Closure assembly for a furnace

Details Closure assembly for a furnace Closure assembly for a furnace

1975-11-17

1977-04-12

Sprague, Kenneth W.

Furnaces

Doors

Explosion relief doors

202242, F23M 700

Patent

active

040168204

ABSTRACT:
A closure assembly for a furnace wall in which a plug member is secured to a shell member which, in turn, is pivotally mounted to the furnace wall. The plug member is formed from a cast ceramic fiber tamping mix of bulk fiber and high temperature inorganic binders and has a relatively low density. A centrally located stepped bore extends through the plug member for receiving a rod to the interior face of the shell member. A fastening means engages the rod for securing the plug member relative to the shell member and an insert formed from the same material as the plug member is fixed in the bore hole.

REFERENCES:
patent: 3162584 (1961-12-01), Cremer et al.
patent: 3505174 (1970-04-01), Peterson et al.
patent: 3629094 (1971-12-01), Silverblatt
patent: 3935060 (1976-01-01), Blome et al.
Harbison-Walker, Modern Refractory Practice, 4th Edition, of 1961, pp. 130, 166 and 167.

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