Method and apparatus for generating an electrostatic field for f

Details Method and apparatus for generating an electrostatic field for f Method and apparatus for generating an electrostatic field for f

1985-02-28

1986-11-11

Bueker, Richard

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 26, 427 32, 118638, 118640, B05D 116

Patent

active

046222359

ABSTRACT:
A method and apparatus for electrostatically flocking a thread-like or yarn-like material. This material rectilinearly and continuously or intermittently is moved through an electrical field which is generated between electrodes having non-planar yet symmetrical potential surfaces. This electrical field preferably is generated between curved potential surfaces of the electrodes. The flock is shot into the adhesive coating of a given thread not only radially but also at an angle. The thread does not have to be turned. As a result, a dense and improved flocking is achieved all around the yarn or thread in a simple and economical manner.

REFERENCES:
patent: 2328577 (1943-09-01), Oglesby
patent: 2447374 (1948-08-01), Smyser
patent: 3591403 (1971-07-01), Sheehan

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