Continuous heat treating vacuum furnace

Details Continuous heat treating vacuum furnace Continuous heat treating vacuum furnace

1976-10-12

1978-10-03

Lake, Roy

Metallurgical apparatus

Having means for contacting a solid metalliferous material...

With heating means, e.g., flame contact

74501R, 49253, 266250, C21D 174

Patent

active

041180160

ABSTRACT:
A vacuum furnace in which work loads are periodically introduced and processed therein without breaking the vacuum within the furnace heating chamber and including spaced door assemblies between which chambers are defined for effectively isolating the work loads during the introduction and discharge therefrom, the apparatus further including transfer mechanisms that are sequentially operated in timed relation with the door assemblies and in accordance with the heat treating cycle of the furnace for moving work loads through the various stations in the furnace.

REFERENCES:
patent: 2230783 (1941-02-01), Parsons et al.
patent: 2856181 (1958-10-01), Fenton
patent: 3266644 (1966-08-01), Ipsen
patent: 3659831 (1972-05-01), Reber et al.
patent: 3718324 (1973-02-01), Westeren et al.
patent: 3782705 (1974-01-01), Westeren et al.
patent: 3838607 (1974-10-01), Hemens

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