3779446

Information

• Patent Grant
• 3779446

• References
• Source

• Patent Number

  3,779,446

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1973
  51 years ago

• CPC

  • B29C66/1142 - Single butt to butt joints
  • B23K5/08 - Welding circumferential seams
  • B23K20/12 - the heat being generated by friction Friction welding
  • B23K20/122 - using a non-consumable tool
  • B23K20/24 - Preliminary treatment
  • B29C57/04 - using mechanical means
  • B29C65/02 - by heating, with or without pressure
  • B29C65/0681 - created by a tool
  • B29C66/137 - Beaded-edge joints or bead seals
  • B29C66/5221 - for forming coaxial connections
  • B29C66/81431 - comprising a single cavity
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/8362 - Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
  • B23K2201/06 - Tubes
  • B29C65/08 - using ultrasonic vibrations

• US Classifications

  • 228 - Metal fusion bonding
  • 072 - Metal deforming