Method of making and repairing a furnace crown

Details Method of making and repairing a furnace crown Method of making and repairing a furnace crown

1990-01-30

1991-10-22

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Structural member making

2989735, 2940208, B21D 4700

Patent

active

050582682

ABSTRACT:
The invention herein teaches a crown system for kilns and furnaces for the high temperature firing of materials. One method used in the industry for a crown system consists of supporting layers of insulation with inverted T-rails attached to bones which are further attached to hanger devices hanging from pipes that rest upon an ultimate support system. To overcome the numerous problems associated with the prior art the following considerable modifications have been made: 1) slotting each inverted T-rail, along its narrow attaching flange and adding stops to each side of said slot such that the bone is evenly spaced along the T-rail when inserted and slid into position, 2) fitting rigid insulation cases fully between the bones and adjacent layers of insulation and 3) said insulation cases and said T-rail stops combine to lock said bones in position. Further improvements to this system include: 1) widening the T-rail's broad base width, 2) angling the ends of the T-rail; 3) increasing the bone's stem length, 4) placing stops on the ultimate support system to hold the pipes in place, 5) a thermal tent which envelopes the bone's upper attaching end and 6) shaping the attachment hole on the bone as a curved cylinder.

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