Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1975-11-07
1977-05-24
Camby, John J.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
198773, F27B 914
Patent
active
040252981
ABSTRACT:
A walking beam furnace for round bars and the like is provided with burners firing above and below the work in a heat zone portion of the furnace to produce a short length furnace, and a refractory hearth downstream of the heat zone portion is provided for work straightening. The hearth is provided with concave inserts having a base portion aligned with the refractory floor to insure bar straightness after heating.
REFERENCES:
patent: 1965868 (1934-07-01), Vickers
patent: 3373979 (1968-03-01), Hammond
patent: 3374996 (1968-03-01), Keough
patent: 3554505 (1971-01-01), Dessarts
patent: 3693950 (1972-09-01), Enk
patent: 3850287 (1974-11-01), Petros
Camby John J.
Midland-Ross Corporation
Nawalanic Frank J.
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