Apparatus for electrically perforating moving paper webs

Details Apparatus for electrically perforating moving paper webs Apparatus for electrically perforating moving paper webs

1976-06-01

1977-07-12

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Electric arc-type devices

131 15B, H05B 718

Patent

active

040356116

ABSTRACT:
Method and apparatus for electrically perforating a moving web such as paper, film and the like in which the web passes between spaced, charged and ground electrodes adapted to move at right angles to one another, including a flat plate for supporting said web as it passes between said spaced electrodes having a narrow slot in which the ground electrode travels parallel to the surface of said plate, said surface recessed along both sides of said slot to provide a collection area for particulate matter produced from perforating said web and means for removing said particulate matter from said collection area.

REFERENCES:
patent: 3017486 (1962-01-01), Kogan et al.
patent: 3167641 (1965-01-01), Parmele et al.
patent: 3198934 (1965-08-01), Dubilier
patent: 3348022 (1967-10-01), Schirmer
patent: 3475591 (1969-10-01), Fujii et al.
patent: 3545208 (1951-03-01), Meaker
patent: 3549943 (1970-12-01), Church
patent: 3783237 (1974-01-01), McArthur
patent: 3996143 (1963-07-01), Warmt

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