Technique for property enhancement of open-cell foam material

Details Technique for property enhancement of open-cell foam material Technique for property enhancement of open-cell foam material

1984-11-08

1985-06-25

Foelak, Morton

Coating processes

Solid particles or fibers applied

Fluidized bed utilized

427195, 427244, 4273935, 4283197, 521 53, 521 55, 521137, 521918, B05D 124

Patent

active

045253862

ABSTRACT:
A technique for enhancing the mechanical, thermal or other properties of an open-cell synthetic plastic foam body by injecting filler particles into the cells thereof. The filler particles, which may take the form of micro-spheres of glass, metal powers or other additives, depending on the property to be enhanced, are fed into a pressurized stream of air which is projected at high velocity to fluidize the particles. The stream is directed toward the surface of the body to cause the particles carried thereby to impregnate the cells.

REFERENCES:
patent: 2981631 (1961-04-01), Nagel
patent: 3061460 (1962-10-01), Weisman
patent: 3393119 (1968-07-01), Dugan
patent: 3535197 (1970-10-01), Fishbein et al.
patent: 4439548 (1984-03-01), Weisman

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