Patent ID: 9039802
Filing Date: 2015-05-26
Classification: B01D,B29C,B29K,B29L,F02M

Abstract:
1. An air filter cartridge comprising: (a) an extension of filter media: having first and second, opposite, ends; surrounding an open interior; and, defining a central cartridge axis; (b) a first, open, end cap adjacent one of the first and second ends of the filter media; (c) a second, closed, end cap adjacent a second one of the first and second ends of the filter cartridge; (d) a preform having a perforate portion extending across at least one of the first and second, opposite, ends of the media; (e) the first end cap having a continuous, circular, groove therein, at least 1.5 mm deep; and, (f) a housing seal arrangement comprising a molded-in-place portion of the first, open, end cap configured to form a radially directed housing seal.