US 12,115,473 B2
Pressure and heat molded polymer tube with interlocking grommet
David E Sisk, Bonne Terre, MO (US); Peter Kemp, Crestwood, MO (US); Roger Breakfield, Farmington, MO (US); Andrew Boyer, Bonne Terre, MO (US); Travis Kinneman, Fredericktown, MO (US); Todd Watkins, Farmington, MO (US); and Dylan Whitter, Bonne Terre, MO (US)
Assigned to Bulk Tank, Inc., Park Hills, MO (US)
Filed by Bulk Tank, Inc., Park Hills, MO (US)
Filed on Aug. 5, 2022, as Appl. No. 17/803,495.
Application 17/803,495 is a continuation in part of application No. 17/803,420, filed on Jun. 28, 2022.
Application 17/803,495 is a continuation in part of application No. 17/803,366, filed on May 28, 2022.
Application 17/803,495 is a continuation in part of application No. 17/300,958, filed on Dec. 22, 2021.
Claims priority of provisional application 63/259,681, filed on Aug. 3, 2021.
Claims priority of provisional application 63/259,341, filed on Jul. 12, 2021.
Claims priority of provisional application 63/205,694, filed on Jan. 4, 2021.
Claims priority of provisional application 63/473,712, filed on Jun. 18, 2022.
Claims priority of provisional application 63/361,510, filed on Dec. 30, 2021.
Prior Publication US 2023/0182044 A1, Jun. 15, 2023
Int. Cl. B01D 29/13 (2006.01); B01D 29/11 (2006.01)
CPC B01D 29/13 (2013.01) [B01D 29/111 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An air filtering system comprising:
a filtration tube;
a cylindrical wall of the filtration tube, the cylindrical wall having a length with a top end and an opposite bottom end;
a flange integral with the top end of the cylindrical wall and the filtration tube, the flange projecting outwardly from the top end of the cylindrical wall;
a grommet, the grommet being formed as a cylindrical member with a cylindrical configuration, the grommet having an interior surface with a cylindrical configuration, the grommet having an upper portion;
a boss extending diametrically outward from the upper portion of the grommet and extending around the cylindrical configuration of the grommet, the boss being diametrically wider than an aperture through a transverse plate in a filter housing of the air filtering system;
a groove in the interior surface of the grommet and in an interior of the boss, the groove having an annular shape into which the flange of the filtration tube is inserted with the filtration tube inserted through the grommet, the groove being configured to locate the top end of the cylindrical wall of the filtration tube in the groove and lock the flange in position in the groove.