Self-supporting pleated filter media

Details Self-supporting pleated filter media Self-supporting pleated filter media

2011-03-01

2011-03-01

Smith, Duane (Department: 1776)

Gas separation

Two or more separators

Plies or layers of different characteristics or orientation

C055S497000, C055S521000, C055S524000, C055S528000

Reexamination Certificate

active

07896940

ABSTRACT:
The present invention is a filter that includes a length of filter media and a continuous, substantially nonlinear adhesive strand. The filter media has a front face and a rear face. The filter media has a plurality of pleats defined by a plurality of fold lines, each fold line being intermediate oppositely sloping first and second wall surfaces. The plurality of fold lines comprise a first plurality of pleat tips and a second plurality of pleat valleys. The adhesive strand is provided on the front face of the filter media in discontinuous contact with the filter media. The adhesive strand contacts the filter media at a pleat tip and contacts the filter media at a portion of a first wall surface and contacts the filter media at a portion of a second wall surface.

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