US 11,698,159 B2
Combination pipe seal and grips
Paul Giles, Houston, TX (US); and Humon Glenn Fardsalehi, Baton Rouge, LA (US)
Assigned to SAFE ISOLATIONS LLC, Houston, TX (US)
Filed by Safe Isolations LLC, Houston, TX (US)
Filed on Jun. 13, 2022, as Appl. No. 17/838,831.
Application 17/838,831 is a continuation of application No. 17/390,650, filed on Jul. 30, 2021, granted, now 11,359,757.
Claims priority of provisional application 63/086,433, filed on Oct. 1, 2020.
Prior Publication US 2022/0307642 A1, Sep. 29, 2022
Int. Cl. F16L 55/10 (2006.01); F16L 55/136 (2006.01); F16L 55/128 (2006.01)
CPC F16L 55/136 (2013.01) [F16L 55/1283 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A pipeline plug comprising:
a pressure head;
a seal assembly;
a seal expansion ring, the seal expansion ring including a plurality of expansion ring segments;
a plurality of gripper bodies, each gripper body coupled to an expansion ring segment of the plurality of expansion ring segments of the seal expansion ring;
a sliding gripper slidingly coupled to a radially outer surface of the gripper body; and
an actuator.