Method of driving powdery material into porous material of open-

Details Method of driving powdery material into porous material of open- Method of driving powdery material into porous material of open-

1978-06-30

1980-05-20

Lawrence, Evan K.

Coating processes

Electrical product produced

Welding electrode

118 57, 427180, 427346, B05D 312

Patent

active

042040116

ABSTRACT:
A method of driving or permeating a powdery material into a porous material such as an open-cell cellular material or a fabric, of a type having an open-celled structure, that is, having interconnected cells. Permeation of the powdery material into the porous material is carried out by spreading a mass of powdery particles on one surface of the porous material and applying vibrations to the powdery particles through a vibrating element in contact with the particles so as to cause the particles to be uniformly distributed in the porous material. The frequency and amplitude of the vibrations are selected so as to minimize scattering of the powdery material, and are within the ranges of 50 to 50,000 Hz, and 50 to 1,500 .mu.m, respectively.

REFERENCES:
patent: 2085420 (1937-06-01), Day
patent: 3904724 (1975-09-01), Kipple et al.
Stokes et al., Applications of Sonic Energy in the Process Industries in Ultrasonics-Two Symposia, American Institute of Chemical Engineers, New York, N.Y., 1951, p. 11.

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