2330207

Information

• Patent Grant
• 2330207

• References
• Source

• Patent Number

  2,330,207

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1943
  81 years ago

• CPC

  • B21C37/108 - without continuous longitudinal movement of the sheet during the bending operation
  • B21D39/037 - Interlocking butt joints
  • B21D51/28 - Folding the longitudinal seam
  • Y10T29/49936 - Surface interlocking
  • Y10T29/49938 - Radially expanding part in cavity, aperture, or hollow body

• US Classifications

  • 413 - Sheet metal container making
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 219 - Electric heating
  • 220 - Receptacles