3653688

Information

• Patent Grant
• 3653688

• References
• Source

• Patent Number

  3,653,688

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1972
  53 years ago

• CPC

  • F16L21/022 - used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
  • F16L17/025 - the sealing rings having radially directed ribs
  • F16L19/075 - specially adapted for spigot-and-socket joints for pipes of the same diameter
  • F16L19/08 - with metal rings which bite into the wall of the pipe
  • F16L27/08 - Allowing adjustment or movement only about the axis of one pipe
  • Y10T403/5721 - Single actuator for plural connections
  • Y10T403/7054 - Plural, circumferentially related shims between members

• US Classifications

  • 285 - Pipe joints or couplings
  • 403 - Joints and connections