Patents Assigned to Trelleborg Pipe Seals Lelystad BV
  • Seal for belled pipe
    Patent number: 9951869
    Abstract: A sealing ring for connecting a belled end of a female pipe to a spigot end of a male pipe is disclosed. The sealing ring includes a sealing portion joined to a restraining portion. Preferably the sealing portion is made of an elastomeric material and the reinforcing portion is made of a polymer and does not include a metal reinforcement.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: April 24, 2018
    Assignee: TRELLEBORG PIPE SEALS LELYSTAD BV
    Inventors: Bernal Lopez-Chaves, Alan Guzowski
  • Pipe seal
    Patent number: 9759361
    Abstract: A seal is provided that includes a body, a left arm extending from the body and having an anti-rotation portion, and a right arm extending from the body and having an anti-rotation portion. The seal further includes a lip extending from the body between the left and right arms. The lip is sized and shaped to contact an inside surface of the socket when the first and second pipes are assembled together.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: September 12, 2017
    Assignee: Trelleborg Pipe Seals Lelystad BV
    Inventor: Johannes Vreeken