Air filter having pockets, and method of assembly thereof

Details Air filter having pockets, and method of assembly thereof Air filter having pockets, and method of assembly thereof

1995-06-26

1997-03-18

Miles, Tim R.

Gas separation

Flexible or collapsible bag type

With securing or supporting means

B01D 4602

Patent

active

056118309

ABSTRACT:
The filter, typically an air cleaning filter, has a frame element, preferably rectangular or square, retaining a plurality of adjacently located filter bags (4). The filter bags, themselves, are retained in the frame by bag-supporting ribs (6) which are folded from blanks (11, 11') in zig-zag fashion to define a central folded part 9, and two lateral folded portions (10, 10"10). To assemble the filter, adjacent filter bags are inserted and then clamped between the central portion and a lateral folded portion, and held together for example by adhesives, staples, or the like. The ends of the rib structures (6) define support legs (12, 12") which are secured to the frame element (1). The position of the ribs (6) determines the spacing of the filter bags (4). A spacing comb (14) formed with slits (16) determines the spacing between the opening of adjacent filter bags. The structure permits easy matching of filter bags to different dimensions of frame elements. Preferably, all materials used, frame element (1), filter bags (4) and ribs (6), are made of combustible material, for example paper and cardboard, or the like, so that the filter, including contents, can be incinerated as a unit.

REFERENCES:
patent: 3138443 (1964-06-01), Engle et al.
patent: 3541767 (1970-11-01), Getzin et al.
patent: 3834134 (1974-09-01), McAllister
patent: 3844749 (1974-10-01), Carter, Sr.
patent: 4193780 (1980-03-01), Cotton, Jr. et al.
patent: 5320655 (1994-06-01), Ernst

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