Process and apparatus for filtering spray coating particles from

Details Process and apparatus for filtering spray coating particles from Process and apparatus for filtering spray coating particles from

1982-04-23

1985-07-23

Joyce, Harold

55354, 55528, 55DIG46, B05C 1500

Patent

active

045302740

ABSTRACT:
A spray booth has a front movable wall composed of two layers of movable, flexible filter material supplied from a single continuous supply roll located adjacent the floor of the booth. The layers of filter material are composed of a mat of closely-spaced non-woven extruded polypropylene fibers forming a multiplicity of cells and randomly positioned non-woven polypropylene fibers extending from the mat into each said cell to provide sub-cells of sub-micron size openings.

REFERENCES:
patent: 3117849 (1964-01-01), Selke
patent: 3229008 (1966-01-01), Harrington, Jr. et al.
patent: 3242653 (1966-03-01), Sylvan
patent: 3417552 (1968-12-01), Dyer et al.
patent: 3537238 (1970-11-01), Dungler
patent: 3811371 (1974-05-01), Hardy
patent: 3966519 (1976-06-01), Mitchell et al.
patent: 3968283 (1976-07-01), Schutte
patent: 4022596 (1977-05-01), Pedersen
patent: 4229187 (1980-10-01), Stockford et al.

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