3220594

Information

• Patent Grant
• 3220594

• References
• Source

• Patent Number

  3,220,594

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • F15B1/125 - characterised by the attachment means
  • F15B1/106 - characterised by the way housing components are assembled
  • F15B1/14 - by means of a rigid annular supporting member
  • F15B2201/205 - using gas
  • F15B2201/3151 - the flexible separating means being diaphragms or membranes
  • F15B2201/3156 - characterised by their attachment
  • F15B2201/415 - Gas ports
  • F15B2201/435 - being fixed to the separating means
  • F15B2201/605 - Assembling or methods for making housings therefor

• US Classifications

  • 220 - Receptacles
  • 138 - Pipes and tubular conduits