Construction method and apparatus for installing a hanger-suppor

Details Construction method and apparatus for installing a hanger-suppor Construction method and apparatus for installing a hanger-suppor

1983-10-17

1985-11-12

Pellinen, A. D.

Industrial electric heating furnaces

Resistance furnace device

With heating element detail

373137, H05B 366

Patent

active

045532460

ABSTRACT:
An apparatus and method for insulating an electric furnace having resistive heating elements in which precast support rings comprising studs, a ring and a plurality of rods are welded to a furnace wall alternatively with placing batts of ceramic fiber insulation over the support rings against the furnace wall to form an inner insulated furnace wall. The rods have rotatably mounted removable ceramic hangers having an inner hook for supporting a serpentine electric heating element such that there is no danger of a short circuit with the metal support ring if the hanger fails.

REFERENCES:
patent: 1861947 (1932-06-01), Woodson et al.
patent: 1878619 (1932-09-01), Bechtel
patent: 1947612 (1934-02-01), Moore
patent: 2035306 (1936-03-01), Fannin
patent: 3812276 (1974-05-01), Cyrway et al.
patent: 4088825 (1978-05-01), Carr
patent: 4154975 (1979-05-01), Sauder
patent: 4259538 (1981-03-01), Jones
patent: 4346252 (1982-08-01), Walton et al.
patent: 4418415 (1983-11-01), Raymond
patent: 4429403 (1984-01-01), Hooper

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