US 11,873,902 B2
Dynamic metal seal
Douglas George, Trumbull, CT (US); and Mark W. Armitage, Madison, CT (US)
Assigned to SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US)
Filed by SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
Filed on Jun. 3, 2021, as Appl. No. 17/337,515.
Claims priority of provisional application 63/034,051, filed on Jun. 3, 2020.
Prior Publication US 2021/0381600 A1, Dec. 9, 2021
Int. Cl. F16J 15/32 (2016.01); F16J 15/3232 (2016.01)
CPC F16J 15/3232 (2013.01) 20 Claims
OG exemplary drawing
 
1. A seal, comprising:
a metallic annular body comprising an inner sealing leg comprising a first sealing lip, a second sealing lip, and a valley disposed between the first sealing lip and the second sealing lip, wherein the valley comprises a plating reserve having a plating thickness that is greater than the plating thickness on the first sealing lip and the second sealing lip, wherein the plating reserve substantially fills the valley to form a planar sealing surface, and the first sealing lip, the second sealing lip, and the planar sealing surface collectively define a contact area about inner diameter of the metallic annular body, wherein the inner sealing leg forms a radial seal with a component, and the contact area is substantially parallel to the component, wherein the valley comprises an opposite, inwardly projecting arcuate convolution with respect to the first sealing lip.