US 12,442,473 B1
Non-round plug and seal with radial offset capabilities
Eduardo Hernandez-Vazquez, Fishers, IN (US)
Assigned to Freudenberg-NOK General Partnership, Plymouth, MI (US)
Filed by Freudenberg-NOK General Partnership, Plymouth, MI (US)
Filed on Jun. 28, 2024, as Appl. No. 18/757,677.
Int. Cl. F16L 25/14 (2006.01); F16L 25/12 (2006.01)
CPC F16L 25/14 (2013.01) [F16L 25/12 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A plug & seal for connecting between oval cross-section pipe sections, comprising:
an oval-shaped tubular insert having two flat wall sections connected to one another by two end curved sections, the oval-shaped tubular insert having a pair of ends with a passage extending through the pair of ends; and
an elastomeric over-mold on an exterior of the oval-shaped tubular insert, the elastomeric over-mold having a pair of raised seal beads each surrounding a respective one of the pair of ends, wherein the pair of raised beads have a first bead thickness in a radial direction along the two flat wall sections and a gradually increasing second bead thickness from the ends of the flat wall sections to a center of the two end curved sections.