3747632

Information

• Patent Grant
• 3747632

• References
• Source

• Patent Number

  3,747,632

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • F16L39/00 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
  • B29C44/18 - Filling preformed cavities
  • F16L37/113 - the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part
  • F16L37/252 - the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part
  • F16L37/56 - for double-walled or multi-channel pipes or pipe assemblies
  • F16L59/04 - Arrangements using dry fillers
  • F16L59/153 - for flexible pipes
  • F16L59/188 - Couplings of the quick-acting type
  • Y10T137/7036 - Jacketed

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits