3712583

Information

• Patent Grant
• 3712583

• References
• Source

• Patent Number

  3,712,583

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1973
  51 years ago

• CPC

  • F16L37/105 - the rotating sleeve having on its inner surface several axially spaced and circumferentially discontinuous threads which engage with the threads on the male part which are also spaced axially and circumferentially discontinuous
  • F16L29/02 - with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
  • F16L37/413 - the lift valve being of the sleeve type
  • F16L59/141 - in which the temperature of the medium is below that of the ambient temperature
  • F16L59/181 - Joints in which sealing surfaces are pressed together by means of a member

• US Classifications

  • 251 - Valves and valve actuation
  • 285 - Pipe joints or couplings