Method for electrically perforating moving webs

Details Method for electrically perforating moving webs Method for electrically perforating moving webs

1977-02-14

1978-07-11

Reynolds, Bruce A.

Electric heating

Heating devices

Electric arc-type devices

83 16, 162139, 131 15B, H05B 718

Patent

active

041003969

ABSTRACT:
Apparatus and method for electrically perforating a moving web such as paper, film and the like by passing the web between at least one electrically charged electrode and a ground electrode in a perforating unit, the charged electrode comprising a member adapted to rotate in a direction parallel to the direction of the moving web and connected to an intermittent high voltage source and the ground electrode comprising means adapted to move in a direction at right angles to the direction of rotation of the charged electrode.

REFERENCES:
patent: 2141869 (1938-12-01), Konig
patent: 2538578 (1951-01-01), Meaker
patent: 3098143 (1963-07-01), Warmt
patent: 3549943 (1970-12-01), Church et al.

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