Electrostatic web clamp

Details Electrostatic web clamp Electrostatic web clamp

1982-06-18

1984-07-31

Christian, Leonard D.

Advancing material of indeterminate length

By intermittent material-mover

198691, 226 94, B65H 1726, B65H 1728

Patent

active

044625286

ABSTRACT:
An electrostatic field equal to or greater than a predetermined magnitude is established between the ends of a multiplicity of conductive bristles and a stationary conductive reference surface spaced from the end of the bristles for the puspose of rapidly arresting and/or preventing movement of insulative material having a portion thereof located in the electrostatic field established between the bristle ends and the reference surface and subsequently releasing the material by applying a voltage of opposite polarity to neutralize the force of the electrostatic field, arresting movement of the material.

REFERENCES:
patent: Re26951 (1970-09-01), Vaccaro
patent: 2831678 (1958-04-01), MacNeill
patent: 3082735 (1963-03-01), Vaccaro
patent: 3323794 (1967-06-01), Brandt
patent: 3493157 (1970-02-01), Burdorf et al.

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