Device for the surface treatment of film webs by means of electr

Details Device for the surface treatment of film webs by means of electr Device for the surface treatment of film webs by means of electr

1978-11-30

1980-12-16

Kyle, Deborah L.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

422186, 4251744, 4251748E, B01J 1912

Patent

active

042399734

ABSTRACT:
Disclosed is a device for the surface treatment of film webs by means of an electrical corona discharge, comprising: at least one grounded counter-electrode comprised of a point electrode; at least one roll electrode rotatably positioned adjacent to said counter-electrode, the roll electrode comprising an outer tube comprised of dielectric material, an inner tube comprised of dielectric material fitted coaxially inside of the outer tube and a plurality of electrodes carried by the inner tube; and a supply of A.C. voltage for the electrodes.

REFERENCES:
patent: 2802085 (1957-08-01), Rothacker
patent: 2864755 (1958-12-01), Rothacker
patent: 3111471 (1963-11-01), Evans et al.
patent: 3684364 (1972-08-01), Schmidlin
patent: 3871980 (1975-03-01), Butcher
patent: 4059497 (1977-11-01), Kolbe et al.
patent: 4153560 (1979-05-01), Dinter et al.

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