Assembly for use in the spark perforation of sheet material

Details Assembly for use in the spark perforation of sheet material Assembly for use in the spark perforation of sheet material

1981-06-30

1984-05-08

Reynolds, B. A.

Electric heating

Heating devices

Electric arc-type devices

83 16, 83 70, 131281, 162261, H05B 718

Patent

active

044477082

ABSTRACT:
A spark perforation apparatus includes a rotary electrode assembly for effecting spark perforation of sheet material passing between the electrodes of the assembly and a suitably juxtapositioned earthed surface. The electrode assembly comprises a first set of annular electrodes for connection to a suitable power source, a second set of annular electrodes alternating with and of greater external diameter than the electrodes of the first set, and dielectrical material spacing the electrodes so as to form a series of parallel capacitors.

REFERENCES:
patent: 3167641 (1965-01-01), Parmele
patent: 3385951 (1968-05-01), Bancroft
patent: 3385966 (1968-05-01), Rosenthal
patent: 4110396 (1978-07-01), Martin

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