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2 010 031

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C1

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IPC

(21) (22)

Application

4938768/21, 1991-04-29

(22)

Actual filing date

1991-04-29

(45)

Published

1994-03-30

(72)

Inventor

(73)

Holder

Nauchno-Proizvodstvennoe Predprijatie

VACUUM FURNACE Russian patent published in 1994 - IPC

Abstract RU 2010031 C1

FIELD: mechanical engineering. SUBSTANCE: vacuum furnace has a vacuum chamber 1 and articles 7 holder 6. The holder has separate from chamber current input and electric arc pump. The pump has chamber anode 3, integrally-cold expendable cathode 4, made of getter material. Positive contact of power source of the pump and negative contact of power source of slave gas discharge are connected together and through a diode connected to the vacuum chamber. EFFECT: furnace is used for heated metals, alloys, welded seams processing, diffusion welding and soldering, gas discharge nitriding. 1 dwg

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RU 2 010 031 C1

Authors

Dates

1994-03-30—Published

1991-04-29—Filed

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