US 11,698,155 B2
Double wedge locking mechanism and method
Gary Warren Stratulate, Houston, TX (US); and Gary Pendleton, Shotley Bridge (GB)
Assigned to GARTECH, LLC, Houston, TX (US)
Filed by GARTECH, LLC, Houston, TX (US)
Filed on Nov. 25, 2020, as Appl. No. 17/104,464.
Claims priority of provisional application 62/956,531, filed on Jan. 2, 2020.
Prior Publication US 2021/0207644 A1, Jul. 8, 2021
Int. Cl. F16L 21/04 (2006.01); F16L 37/15 (2006.01); F16L 37/14 (2006.01); F16L 23/032 (2006.01)
CPC F16L 21/04 (2013.01) [F16L 37/144 (2013.01); F16L 37/15 (2013.01); F16L 23/032 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method of establishing a connection to a piping system, comprising:
providing a liner of the piping system;
inserting the liner into a flange adapter such that a support for the liner contacts the flange adapter;
placing a clamp collar over an end of the liner to be located against a raised shoulder of the liner;
attaching a subassembly to a main flange to locate a position for a double wedge mechanism; and
inserting the double wedge mechanism into a main housing creating a compressive axial force to the liner.