Title: Plasma heated batch-type annealing furnace

Abstract: An apparatus for heat treatment, i.e., annealing or softening, of metal materials in the nature of coiled rod, wire, strip sheet, and the like, utilizes a conventional batch-type furnace with a controlled atmosphere heated by an electric arc source, i.e., a plasma generator.

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Inventors: Camacho, Salvador L. (Raleigh, NC, US)
Magor, James K. (Durham, NC, US)

Application Number: 480236
Filing Date: 1974-06-17
Publication_date: 1976-01-27
Assignee:
Primary Class(es): 373/18 219/121.36
Other Classes:
US Patent Ref:

2798716	Jul, 1957	Pugh	432/255.
3147329	Sep, 1964	Gage	13/9.

Other Refs:
Primary Examiner: Envall, Jr., R. N.
Assistant Examiner:
Attorney: Olive; B. B.