×

Connection for transition from a cutting ring joint or similar to a flange joint

  • US 4,252,346 A
  • Filed: 12/05/1978
  • Issued: 02/24/1981
  • Est. Priority Date: 12/19/1977
  • Status: Expired due to Term
First Claim
Patent Images

1. A connection assembly for connecting an end of a tubular member to a flat apertured member, comprising a connection piece which has at least two ends and defines an internal passage which extends from one end of the connection piece to the other end thereof and is enlarged at said one end for receiving said end of the tubular member surrounded by a sealing ring and is also enlarged at said other end of the connection piece, said connection piece being provided at said one end with an external screwthread whereby an internally threaded sleeve may be screwed onto said one end for urging the sealing ring into the enlargement of the passageway at said one end of the connection piece thereby to establish a seal between the connection piece and said end of said tubular member, and said connection piece also being provided with an external screwthread at said other end thereof;

  • and the assembly further comprising an insert member adapted to be fitted in sealing manner in the enlargement of the internal passage of the connection piece at said other end thereof, and an internally threaded flange member adapted to be screwed onto the external screwthread at said other end of the connection piece and to be secured to said flat apertured member, said insert member having a peripheral flange portion of greater external diameter than the connection piece at said other end thereof and the flange member having an internal shoulder which engages said flange portion when the flange member is unscrewed from the connection piece to pull the insert member out of the enlargement at said other end of the connection piece, and the flat apertured member having an outer face and the insert member having an outer end face for engaging said outer face of the flat apertured member, one of said faces being formed with an annular recess and there being a sealing member disposed in said annular recess.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×