Ceiling beam construction for heating furnace

Details Ceiling beam construction for heating furnace Ceiling beam construction for heating furnace

1981-12-28

1983-12-20

Camby, John J.

Heating

Heating apparatus element having protective cooling structure

Wall, floor or roof element

110331, 432174, 432247, F27D 112, F23M 506, F27B 300

Patent

active

044214804

ABSTRACT:
An improved ceiling beam construction for a heating furnace in which ceiling beams having closed cross sections are adopted for utilizing the interior of the beams as ducts for passing gases through them so as to reduce spaces required for installing separate gas ducts, with a consequent decrease in the number of duct supporting fittings or fixtures.

REFERENCES:
patent: 1105553 (1914-09-01), Slick
patent: 1275841 (1918-08-01), Burdon
patent: 1463241 (1923-07-01), Biglow
patent: 2151358 (1939-03-01), Robinson
patent: 3022057 (1962-02-01), Schmidt et al.
patent: 3416777 (1968-12-01), Alexander, Jr.

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