3628923

Information

• Patent Grant
• 3628923

• References
• Source

• Patent Number

  3,628,923

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • F28F19/06 - of metal
  • B21D39/06 - of tubes in openings
  • F16B9/00 - Connections of rods or tubular parts to flat surfaces at an angle
  • F16L58/08 - by metal
  • F16L58/188 - for branching pipes; for joining pipes to walls
  • F22B37/04 - and characterised by material
  • F28F9/182 - the heat-exchange conduits having ends with a particular shape
  • Y10T29/49373 - Tube joint and tube plate structure
  • Y10T29/49375 - including conduit expansion or inflation
  • Y10T29/49918 - At cup or tube end

• US Classifications

  • 029 - Metal working
  • 165 - Heat exchange
  • 228 - Metal fusion bonding
  • 285 - Pipe joints or couplings