3422864

Information

• Patent Grant
• 3422864

• References
• Source

• Patent Number

  3,422,864

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  56 years ago

• CPC

  • F16L17/035 - the sealing rings having two lips parallel to each other
  • E21D15/512 - Arrangement of valves
  • E21D15/58 - Devices for setting props or chocks
  • E21D15/586 - the props being pre-loaded
  • F16L37/025 - with an inner elastic part pressed against an outer part by reason of its elasticity
  • F16L37/06 - tightened by fluid pressure
  • Y10T137/87925 - Separable flow path section, valve or closure in each

• US Classifications

  • 141 - Fluent material handling, with receiver or receiver coacting means
  • 137 - Fluid handling
  • 184 - Lubrication
  • 251 - Valves and valve actuation
  • 285 - Pipe joints or couplings