Electrostatic flocking method

Details Electrostatic flocking method Electrostatic flocking method

1990-11-30

1992-04-28

Lawrence, Evan

Coating processes

Measuring, testing, or indicating

427 26, 427 32, B05D 116

Patent

active

051087774

ABSTRACT:
An AC electrostatic flocking method having a variable frequency alternating electrostatic field that optimizes flocked product characteristics and/or processing efficiency. The optimized frequency can be determined on-line or from a chart or computerized database containing pre-determined optimized frequencies. The optimized frequency varies depending upon the precursors used and the processing conditions and parameters. Multiple in-line flocking modules having alternating variable frequency electrostatic fields operating at different frequencies may be utilized.

REFERENCES:
patent: 2376922 (1945-05-01), King
patent: 2881087 (1959-04-01), Schwartz et al.
patent: 3698357 (1972-10-01), Spencer
patent: 3944693 (1976-03-01), Ungerer
patent: 4091764 (1978-05-01), Brennenstuhl

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