CPC B01D 46/523 (2013.01) [B01D 39/163 (2013.01); B01D 46/0001 (2013.01); B01D 46/0005 (2013.01); B01D 46/0032 (2013.01); B31D 5/0082 (2013.01); B01D 2239/0435 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/0627 (2013.01); B01D 2239/10 (2013.01); B01D 2265/04 (2013.01); B01D 2265/06 (2013.01); B01D 2275/50 (2013.01)] | 20 Claims |
1. A pleated air filter media comprising an upstream face and a downstream face and a plurality of oppositely-facing pleats with a pleat direction and with a plurality of upstream pleat tips and upstream pleat valleys and downstream pleat tips and downstream pleat valleys,
wherein the pleated air filter media comprises a plurality of upstream linear bridging filaments that are extrusion-bonded to at least some of the upstream pleat tips of the pleated air filter media,
and,
wherein the pleated air filter media comprises a plurality of downstream continuous-contact filaments that are extrusion-bonded to the downstream face of the pleated air filter media.
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