2729471

Information

• Patent Grant
• 2729471

• References
• Source

• Patent Number

  2,729,471

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1956
  69 years ago

• CPC

  • F16L37/32 - at least one of two lift valves being opened automatically when the coupling is applied
  • F16L37/113 - the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part
  • Y10T137/86759 - Reciprocating
  • Y10T137/86976 - First valve moves second valve
  • Y10T137/87273 - With fluid coupling [e.g., railway car hose coupling, truck-trailer oil system coupling, etc.]
  • Y10T137/87949 - Linear motion of flow path sections operates both

• US Classifications

  • 137 - Fluid handling
  • 141 - Fluent material handling, with receiver or receiver coacting means