US 11,703,166 B2
Pipe seal, pipe assembly, and method for forming a pipe assembly and a seal
Andreas Bichler, Ebbs (AT)
Appl. No. 16/342,707
Filed by Trelleborg Pipe Seals Lelystad B.V., NJ Lelystad (NL)
PCT Filed Oct. 18, 2017, PCT No. PCT/EP2017/076647
§ 371(c)(1), (2) Date Apr. 17, 2019,
PCT Pub. No. WO2019/076455, PCT Pub. Date Apr. 25, 2019.
Prior Publication US 2022/0003342 A1, Jan. 6, 2022
Int. Cl. F16J 15/10 (2006.01); F16L 21/03 (2006.01); B29C 45/14 (2006.01); B29L 31/26 (2006.01)
CPC F16L 21/03 (2013.01) [B29C 45/14065 (2013.01); B29L 2031/26 (2013.01); F16J 15/104 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A pipe seal suitable for use in a Rieber joint, the seal comprising:
an annular sealing member including exterior surfaces; and
an annular reinforcing member completely embedded in the sealing member, the reinforcing member made of a rigid plastic band;
wherein the reinforcing member includes, for increasing an area of contact between the sealing member and the reinforcing member, protrusions arranged on two opposing side walls of the reinforcing member and/or recesses arranged on the two opposing side walls of the reinforcing member;
wherein the protrusions and/or the recesses are spaced disposed at a distance from the exterior surfaces of the sealing member.