Electric heating – Metal heating – Cutting or disintegrating
Patent
1973-12-18
1976-02-10
Truhe, J. V.
Electric heating
Metal heating
Cutting or disintegrating
219 72, B23P 100
Patent
active
039379159
ABSTRACT:
The method and apparatus in accordance with the present invention achieve the same working effect as grooving, drilling, cutting, and the like on a metal work by blowing off, with the use of a non-combustible jet gas, the molten metal heated and made molten by an electric arc. The atmosphere at the operating location where the electric arc and the jet gas are provided, is formed by a fluid atmosphere produced by the discharge of a non-combustible liquid. As a result, matters and substance such as dust particles, carbon monoxide, and the like existing around the operating location and serving to deteriorate the operating environment, are adsorbed and taken up by the fluid atmosphere for decreasing the amount of such matters and substance which are released to the operating environment surrounding the fluid atmosphere.
REFERENCES:
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patent: 1958649 (1934-05-01), Stine
patent: 2008846 (1935-07-01), Zack
patent: 2028780 (1936-01-01), Ito
patent: 2726309 (1955-12-01), Stepath
patent: 2862099 (1958-11-01), Gage
patent: 3100255 (1963-08-01), Miller
patent: R21897 (1941-09-01), Taylor
Ishihara Kozi
Maeda Masonori
Matsuo Koziro
Herkamp N. D.
Matsushita Electric - Industrial Co., Ltd.
Truhe J. V.
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