Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1987-08-13
1988-11-22
Yuen, Henry C.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
432134, 432247, 432249, 34164, F27B 914
Patent
active
047862491
ABSTRACT:
A spring heat treating furnace in which untreated springs are charged through a charging port in the body thereof, the springs being heat-treated while being conveyed along a conveyance passageway inside the body. The heat-treated springs are discharged from a discharge port in the furnace body, said conveyance passageway being formed into a spiral passageway capable of arranging said springs in the direction of conveyance. A passageway vibrating device is disposed at the lower portion of said conveyance passageway for vibrating the passageway to convey the springs in a discharging direction.
REFERENCES:
patent: 4035151 (1977-07-01), Czerny et al.
patent: 4048472 (1977-09-01), Sauer et al.
patent: 4255129 (1981-03-01), Reed et al.
patent: 4582484 (1986-04-01), Sandor
patent: 4640683 (1987-02-01), Mori
Coil Master Kogyo Kabushiki Kaisha
Kabushiki Kaisha Asada
Yuen Henry C.
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