3868972

Information

• Patent Grant
• 3868972

• References
• Source

• Patent Number

  3,868,972

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • F24D3/1016 - Tanks having a bladder
  • F15B1/18 - Anti-extrusion means
  • F16L55/053 - the gas in the reservopir being separated from the fluid in the pipe
  • F24D3/1008 - expansion tanks
  • F24D3/1041 - Flow-through
  • F15B2201/205 - using gas
  • F15B2201/3151 - the flexible separating means being diaphragms or membranes
  • F15B2201/3156 - characterised by their attachment
  • F15B2201/411 - having valve means
  • F15B2201/413 - having multiple liquid ports
  • F15B2201/415 - Gas ports
  • F15B2201/43 - Anti-extrusion means
  • F15B2201/435 - being fixed to the separating means

• US Classifications

  • 138 - Pipes and tubular conduits