Electric heating – Heating devices – Electric arc-type devices
Patent
1974-12-02
1976-10-12
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
Electric arc-type devices
28 72CS, 83 16, H05B 718
Patent
active
039859975
ABSTRACT:
A method of cutting cloth into sections, for example for making up into a garment, is described in which spark discharges are passed through the cloth at the periphery of the sections from a first electrode shaped to follow the periphery of the sections on one side of a piece of cloth to a second electrode on the other side of the cloth. The second electrode may be a narrow strip closely following the periphery like the first electrode, a broader strip shaped to follow the periphery generally, or a sheet covering all the sections. Alternatively the second electrode may be a conductive rod which is moved over the cloth during the discharges. During cutting the cloth may be supported by a current of air.
REFERENCES:
patent: 1206093 (1916-11-01), Chapman
patent: 2628412 (1953-02-01), Vera
patent: 2763759 (1956-09-01), Mito et al.
patent: 3228366 (1966-01-01), Chezaub et al.
patent: 3705291 (1972-12-01), Thompson
patent: 3862396 (1975-01-01), Machida et al.
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