Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1985-05-17
1986-11-04
Yuen, Henry C.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
432124, 432145, F27B 914, F27D 300
Patent
active
046208402
ABSTRACT:
A furnace for heating cylindrical charges, in particular billets, rods and tubes, features a transportation facility with a conveyance device which feeds the charges in the longitudinal direction through a treatment chamber, the cross-sectional shape of which is closely similar to that of the charge; the transportation device also features a jacking device which supports the charge such that, regardless of the charge diameter, the longitudinal axis of the charge is always at the same level in the treatment chamber. Situated in the walls of the treatment chamber are nozzle outlets which direct a heated jet of gas radially with respect to the longitudinal axis of the charge and onto the surface of the charge. The feeding of circulating hot gas to the supply channel for the nozzles takes place from both ends of the treatment chamber. A ventilator is situated above the mid point along the length of the treatment chamber and blows out both inlets to the feed channels.
REFERENCES:
patent: 1834304 (1931-12-01), Frank et al.
patent: 1872713 (1932-08-01), Fahrenwald
patent: 2697860 (1954-12-01), Anthony
patent: 3813212 (1974-05-01), Shofner et al.
patent: 3994678 (1976-11-01), Nelson
patent: 4065249 (1977-12-01), Nelson
patent: 4184839 (1980-01-01), Landgraf et al.
patent: 4481398 (1984-11-01), Lavins et al.
Hilge Bernhard
Knoch Martin
Kramer Carl
Swiss Aluminium Ltd.
Yuen Henry C.
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