3868131

Information

• Patent Grant
• 3868131

• References
• Source

• Patent Number

  3,868,131

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  49 years ago

• CPC

  • F16L13/147 - by radially expanding the inner part
  • B21D39/066 - using explosives
  • F16L13/14 - made by plastically deforming the material of the pipe
  • F16L41/001 - the wall being a pipe plate
  • F16L41/084 - Soldered joints
  • Y10T29/49373 - Tube joint and tube plate structure

• US Classifications

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