US 12,276,358 B2
Corrosion-free welded connection for reinforced thermoplastic pipes (RTP)
Abderrazak Traidia, Lussan (FR); Thibault Villette, Belfort (FR); Abdullah Al Shahrani, Dammam (SA); Anwar Parvez, Dhahran (SA); Abdulaziz Y. Asiri, Dammam (SA); Chris Worrall, Cambridge (GB); and Nicholas Iain Verge, Cambridgeshire (GB)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA); and TWI Ltd., Cambridge (GB)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Feb. 3, 2023, as Appl. No. 18/164,031.
Prior Publication US 2024/0263724 A1, Aug. 8, 2024
Int. Cl. F16L 47/03 (2006.01); F16L 13/02 (2006.01); F16L 23/026 (2006.01); F16L 47/14 (2006.01)
CPC F16L 13/0209 (2013.01) [F16L 23/026 (2013.01); F16L 47/03 (2013.01); F16L 47/14 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A connection system, comprising:
a first pipe having a first end;
a reinforced thermoset resin (RTR) coupler positioned adjacent the first end of the first pipe,
the RTR coupler, comprising:
an annular body having a first socket extension extending into the first end of the first pipe, wherein the annular body comprises an RTR material,
wherein the annular body of the RTR coupler comprises a radial extension extending in a direction perpendicular from the first socket extension,
wherein a first flange is connected to the radial extension of the RTR coupler via at least one connector extending through the radial extension; and
a first thermoplastic tie layer provided between the first socket extension and the first end of the first pipe;
a first set of wedges positioned circumferentially around an outer surface of the first end of the first pipe; and
the first flange fitted around the first set of wedges, wherein the first set of wedges is wedged between the first end and the first flange.