US 11,808,716 B2
Flexible and/or deformable mechanical elements with radiographic markers
Theodore W. Eastes, Monterey Park, CA (US)
Assigned to Science Applications International Corporation, Reston, VA (US)
Filed by Science Applications International Corporation, Reston, VA (US)
Filed on Aug. 13, 2021, as Appl. No. 17/402,339.
Prior Publication US 2023/0050138 A1, Feb. 16, 2023
Int. Cl. G01N 23/083 (2018.01); G01N 23/04 (2018.01); F16J 15/3284 (2016.01)
CPC G01N 23/04 (2013.01) [F16J 15/3284 (2013.01); G01N 23/083 (2013.01); G01N 2223/629 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An O-ring comprising:
a cord formed from an elastomeric first material, wherein the cord has a circular cross section and is formed into a continuous loop; and
one or more radiographic markers, comprising one or more second materials having one or more radiopacities greater than a radiopacity of the elastomeric first material, wherein the one or more radiographic markers are provided on an outer surface of the cord.