Method of forming filter arrangements; and, apparatus

Details Method of forming filter arrangements; and, apparatus Method of forming filter arrangements; and, apparatus

2005-11-10

2009-08-04

Smith, Duane (Department: 1797)

Gas separation

With means securing or retaining separating media

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

C055S498000, C055S503000, C055S520000, C055S521000, C055SDIG007, C210S493400, C210S497100, C210S497300, C156S210000

Reexamination Certificate

active

07569090

ABSTRACT:
A one aspect method of forming filter cartridge arrangements for use in air cleaners is provided. The method involves coiling a media pack with a central winding bead and cutting through the winding bead in the coiled media pack to form two media packs. An example filter arrangement is disclosed. In another aspect, a filter cartridge arrangement for use in air cleaners is provided. The filter cartridge arrangement includes a media pack including a plurality of inlet flutes and outlet flutes extending between first and second opposite flow faces and formed from an arrangement of facing sheet secured to corrugated sheet. An example cartridge includes a preform secured to the media pack. In some forms, the preform includes a grid arrangement extending across one of the flow faces. The grid arrangement can include a region of cured seal material positioned in contact with the first flow face, to secure the grid arrangement to the flow face.

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