Machine and method of making a filter

Details Machine and method of making a filter Machine and method of making a filter

1995-06-06

1996-10-29

Lusignan, Michael

Coating processes

Solid particles or fibers applied

Applying superposed diverse coatings or coating a coated base

118 63, 427244, B05D 136, B05D 500

Patent

active

055694896

ABSTRACT:
A random fiber web with a uniformly distributed sorbent particle is described. In order to provide a uniform distribution of the sorbent particle within the random fiber web, it is proposed to combine the sorbent particles and fibers in the web during its formation. The fibers are joined in such a way that the sorbent particles are secured within the web in a uniform distribution. The fibers are joined with the use of dry adhesives, UV hardenable adhesives, low melting fibers, spraying a liquid adhesive or needling. The invention also extends to a machine for making random fiber webs and a method of making a thin bed filter for removing odors and particulates.

REFERENCES:
patent: 3019127 (1962-01-01), Czerwonka et al.
patent: 3914822 (1975-10-01), Wood
patent: 3918126 (1975-11-01), Wood
patent: 3972092 (1976-08-01), Wood
patent: 4227904 (1980-10-01), Kasmark, Jr. et al.
patent: 4755178 (1988-07-01), Insley et al.
patent: 5124177 (1992-06-01), Kasmark, Jr. et al.
patent: 5338340 (1994-08-01), Kasmark, Jr. et al.

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