2947326

Information

• Patent Grant
• 2947326

• References
• Source

• Patent Number

  2,947,326

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1960
  64 years ago

• CPC

  • F15B1/20 - fixed to the separating means
  • F15B2201/205 - using gas
  • F15B2201/21 - using springs
  • F15B2201/3151 - the flexible separating means being diaphragms or membranes
  • F15B2201/3152 - the flexible separating means being bladders
  • F15B2201/3156 - characterised by their attachment
  • F15B2201/411 - having valve means
  • F15B2201/4155 - having valve means
  • F15B2201/43 - Anti-extrusion means
  • F15B2201/61 - Assembling or methods for making separating means therefor

• US Classifications

  • 138 - Pipes and tubular conduits
  • 092 - Expansible chamber devices