3547140

Information

• Patent Grant
• 3547140

• References
• Source

• Patent Number

  3,547,140

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • F16K3/10 - with special arrangements for separating the sealing faces or for pressing them together
  • F16K3/20 - by movement of the seats
  • Y10T137/4238 - With cleaner, lubrication added to fluid or liquid sealing at valve interface
  • Y10T137/4259 - With separate material addition
  • Y10T137/6079 - Having particular valve seat

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation