Cooled tunnel-furnace with ground effect

Details Cooled tunnel-furnace with ground effect Cooled tunnel-furnace with ground effect

1976-02-27

1977-11-22

Camby, John J.

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

432145, F27B 900

Patent

active

040593991

ABSTRACT:
A tunnel-furnace is cooled by circulating air between two metal walls forming a jacket and is provided with a ported or permeable hearth extending along its entire length. The articles to be heated or baked in the furnace are supported therein on an air cushion formed with the heated air providing from the cooling jacket and supplied through the ported hearth.

REFERENCES:
patent: 1657959 (1928-01-01), Crosland
patent: 2201988 (1940-05-01), Cope
patent: 3325157 (1967-06-01), Cook
patent: 3473792 (1963-10-01), Arnold et al.
patent: 3524498 (1970-08-01), Galer
patent: 3830624 (1974-08-01), Sperring et al.
patent: 3850572 (1974-11-01), Andrus
patent: 3925005 (1975-12-01), Everhardt et al.
patent: 3942943 (1976-03-01), Andrus

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