3807009

Information

• Patent Grant
• 3807009

• References
• Source

• Patent Number

  3,807,009

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • B21D26/021 - Deforming sheet bodies
  • B21C37/14 - Making tubes from double flat material
  • B21C37/286 - starting from sheet material
  • B21D26/033 - Deforming tubular bodies
  • B21D26/059 - Layered blanks
  • Y10T29/49444 - Elbow or L-shaped fitting making
  • Y10T29/49787 - Obtaining plural composite product pieces from preassembled workpieces
  • Y10T29/49805 - Shaping by direct application of fluent pressure
  • Y10T29/49893 - Peripheral joining of opposed mirror image parts to form a hollow body

• US Classifications

  • 029 - Metal working
  • 228 - Metal fusion bonding