US 11,865,488 B2
Interrupted, directional emboss of flat sheet
Emmanuel Page, Tremeoc (FR); Anthony Barreteau, Quimper (FR); Kurt M. A. Badeau, Evansville, WI (US); and Christopher E. Holm, Madison, WI (US)
Assigned to Cummins Filtration IP, Inc., Columbus, IN (US)
Filed by Cummins Filtration IP, Inc., Columbus, IN (US)
Filed on Jul. 11, 2022, as Appl. No. 17/862,050.
Application 17/862,050 is a continuation of application No. 16/343,076, granted, now 11,439,943, previously published as PCT/US2017/056744, filed on Oct. 16, 2017.
Claims priority of provisional application 62/410,529, filed on Oct. 20, 2016.
Prior Publication US 2022/0339574 A1, Oct. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 46/52 (2006.01); B01D 46/00 (2022.01); B32B 3/28 (2006.01); B01D 46/58 (2022.01)
CPC B01D 46/522 (2013.01) [B01D 46/0005 (2013.01); B01D 46/523 (2013.01); B01D 46/525 (2013.01); B01D 46/58 (2022.01); B32B 3/28 (2013.01); B01D 2275/10 (2013.01); B01D 2279/60 (2013.01); B32B 2250/02 (2013.01); B32B 2307/724 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Filter media comprising:
a first sheet of filter media having a first side and a second side and including a plurality of folds defining a plurality of flow channels, a first set of the plurality of flow channels having open first ends, a second set of the plurality of flow channels having open second ends; and
a second sheet of filter media extending across the first sheet of filter media, the second sheet of filter media comprising a plurality of embossments arranged in an interrupted straight line pattern, each of the plurality of embossments forming a raised surface configured to maintain a separation distance between the second sheet of filter media and an adjacent sheet of filter media, the plurality of embossments arranged at an angle Φ with respect to an X-Y axis that defines a plane of the second sheet of filter media, wherein the angle Φ is between 0 and 60 degrees relative to a lateral direction.