Pleated filter element having integral pleat spacers

Details Pleated filter element having integral pleat spacers Pleated filter element having integral pleat spacers

1982-06-18

1984-06-05

Lacey, David L.

Gas separation

Zigzag, corrugated, or conical

55498, 55500, 55DIG5, 2104935, B01D 2706, B01D 4652

Patent

active

044526199

ABSTRACT:
A pleated media filter element is disclosed which includes pleat spacers which are an integral structural part of the pleated media. The construction of the pleat spacers is accomplished by scoring on the unfolded media a continuous line pattern upon the portion of the media which, when folded, forms a pleat tip of the element. When the scored media is folded into pleats the patterns each define areas on the respective pleat tips which are integral structural parts of the media itself. The configuration of the pattern causes a portion of the media at the pleat tip to project transversely relative to the respective pleat, serving thereby as an integral spacer to space the pleat apart from the pleats on either side thereof.

REFERENCES:
patent: 2298980 (1942-10-01), Sloan et al.
patent: 2936855 (1960-05-01), Allen et al.
patent: 3174625 (1965-03-01), Briggs
patent: 3198336 (1965-08-01), Hyslop
patent: 3392843 (1968-07-01), Mumby
patent: 3531920 (1970-10-01), Hart

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