3422525

Information

• Patent Grant
• 3422525

• References
• Source

• Patent Number

  3,422,525

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  56 years ago

• CPC

  • B21C37/155 - Making tubes with non circular section
  • B21C37/0803 - the tubes having a special shape
  • B21D5/042 - With a rotational movement of the bending blade
  • F16L9/003 - with a rectangular cross-section
  • Y10T29/49828 - Progressively advancing of work assembly station or assembled portion of work
  • Y10T29/5138 - and means to machine work part to fit cooperating work part
  • Y10T29/5145 - to sever product to length
  • Y10T29/53357 - Pipe section

• US Classifications

  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings