1786759

Information

• Patent Grant
• 1786759

• References
• Source

• Patent Number

  1,786,759

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1930
  94 years ago

• CPC

  • B21C37/0822 - Guiding or aligning the edges of the bent sheet
  • B21C37/0826 - Preparing the edges of the metal sheet with the aim of having some effect on the weld
  • B23K11/063 - Lap welding
  • B23K33/006 - for cylindrical workpieces

• US Classifications

  • 219 - Electric heating
  • 138 - Pipes and tubular conduits
  • 220 - Receptacles
  • 228 - Metal fusion bonding