Electrode system for perforating synthetic plastic films
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United States of America Patent
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Sep 4, 2001
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N/A
app pub date -
Nov 29, 1999
filing date -
Nov 29, 1999
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Abstract
An apparatus for perforating a film has one or more electrodes in electrode holders to lightly contact the film, a return electrode to support the film, and a voltage coupler to produce a discharge between the electrodes to perforate the film. A water jet sprayer is mounted on an electrode holder to provide a jet of water where the electrodes come into contact with the film.
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