Apparatus for heat treating drill blanks

Details Apparatus for heat treating drill blanks Apparatus for heat treating drill blanks

1976-09-16

1978-08-01

Lake, Roy

Metallurgical apparatus

Means treating solid metal

By contact with gas

148153, 148155, 266260, C21D 112

Patent

active

041038800

ABSTRACT:
Apparatus for automatically heat treating a plurality of elongated articles, wherein only a portion of the articles are subjected to the heat treating operation, the remaining portion thereof being enveloped and prevented from reaching a temperature during the heat treating operation that produces a hardening action thereon. The articles are transferred from a magazine assembly to a pick-up station, wherein the portions thereof that are protected from the heat treating operation are clamped between a jaw assembly, the jaw assembly being elevated to locate the exposed portion of the articles in vertical position within an elevated heating chamber. Thereafter the articles are lowered from the heating chamber to a cooling station and after a predetermined cooling period are deposited on a belt by the jaw assembly for removal to a collection station.

REFERENCES:
patent: 1337465 (1920-04-01), Olson
patent: 1418985 (1922-06-01), Stock
patent: 1824121 (1931-09-01), Charlton
patent: 1865831 (1932-07-01), Cave
patent: 2551199 (1951-05-01), Basus
patent: 2974941 (1961-03-01), Hobdell
patent: 3764023 (1973-10-01), Jatcko

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