3428338

Information

• Patent Grant
• 3428338

• References
• Source

• Patent Number

  3,428,338

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  55 years ago

• CPC

  • B21D39/06 - of tubes in openings
  • F16L41/001 - the wall being a pipe plate
  • F22G3/009 - Connecting or sealing of superheater or reheater tubes with collectors or distributors
  • F28F9/16 - by permanent joints
  • Y10T29/49375 - including conduit expansion or inflation
  • Y10T29/4994 - Radially expanding internal tube
  • Y10T29/49945 - by driven force fit

• US Classifications

  • 285 - Pipe joints or couplings
  • 029 - Metal working