Motor vehicle filter element

Details Motor vehicle filter element Motor vehicle filter element

1989-10-19

1991-07-09

Nozick, Bernard

Gas separation

Strands or bristles with unsupported or free extremities

55487, 55498, 55521, 264DIG48, 264252, 264293, 162117, 162165, B01D 4600

Patent

active

050302639

ABSTRACT:
A pleated paper filter element is disclosed which is formed from a mechanically-treated filter paper (10') which has the side thereof opposite to the wire-side (12) mechanically teased so as to form thereon an open, textured layer (18) of raised fibers. The starting material used is a standard, commercially-available filter paper which is resin-impregnated with an uncured phenolic resin. The pleated paper filter element formed from the treated filter paper (10') displays, after the element has been heated to cure the resin, a substantial increase of up to 73.5% in the dust-holding capacity over a like element formed from the standard, commercially-available filter paper.

REFERENCES:
patent: 2782933 (1957-02-01), Monsarrat
patent: 4179274 (1979-12-01), Moon
patent: 4303426 (1981-12-01), Battis

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