Web electricity removing roller

Details Web electricity removing roller Web electricity removing roller

1989-04-27

1991-03-12

Pellinen, A. D.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

By charged gas irradiation

361221, 361229, 361214, 250325, H05F 306, H01T 2300

Patent

active

049997335

ABSTRACT:
A web electricity removing roller which removes static charge appearing on the surface of a web formed of paper, a plastic sheet or the like. The roller has a rotary cylindrical body as the main body thereof for guiding contact with the web. The rotary cylindrical body can be electrically connected to a power source or grounded. A plurality of through bores are formed in the peripheral surface of the cylindrical body and a discharge electrode is disposed within the rotary cylindrical body. The electrically charged particles that are radiated from the discharge electrode by corona discharge form an electrically charged layer on the outer peripheral surface of the rotary cylindrical body which can remove the static charges from the surface of the web in surface contact with the roller.

REFERENCES:
patent: 900830 (1908-10-01), Chapman
patent: 3254215 (1966-05-01), Oliphant
patent: 3585448 (1971-06-01), Simons

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