Air filter construction

Details Air filter construction Air filter construction

1975-02-28

1977-01-25

Lutter, Frank W.

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

55521, 210493R, B01D 2706

Patent

active

040048993

ABSTRACT:
A filter apparatus for removing contaminant particles from an air or gas stream, the apparatus including a filter medium, disposed therein in pleated form, across the air or gas stream to be treated. A rectangular frame has inner side walls defining therebetween a path for the air or gas stream to be treated. A filter medium is disposed in longitudinally-extending pleat form across an air or gas stream to be treated. A pleat spacer and supporting fiber is longitudinally co-extensive with the pleat filter medium. The fiber member consists integrally of a plurality of portions disposed along the pleat filter medium and of connecting portions extending at an acute angle from one end of the portion outside of the filter medium towards the other end, thereby providing a support inside the bend of each of the pleats and the connection portions extend crosswise to the pleats.

REFERENCES:
patent: 2082481 (1937-06-01), Christofferson
patent: 2206684 (1940-07-01), Yant
patent: 2329356 (1943-09-01), Moore
patent: 2915426 (1959-12-01), Poelman
patent: 3243943 (1966-04-01), Getzin
patent: 3490211 (1970-01-01), Cartier
patent: 3494113 (1970-02-01), Kinney
patent: 3778970 (1973-12-01), Swimmer
patent: 3795090 (1974-03-01), Barnebey
patent: 3871851 (1975-03-01), Neumann

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