2293491

Information

• Patent Grant
• 2293491

• References
• Source

• Patent Number

  2,293,491

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1942
  82 years ago

• CPC

  • B21K1/60 - hollow or semi-hollow rivets
  • B21C37/0826 - Preparing the edges of the metal sheet with the aim of having some effect on the weld
  • B21C37/108 - without continuous longitudinal movement of the sheet during the bending operation
  • B21D39/037 - Interlocking butt joints
  • B21D51/36 - collapsible or like thin-walled tubes
  • F16B5/04 - by means of riveting
  • F16B19/10 - fastened by expanding mechanically
  • Y10T29/49936 - Surface interlocking
  • Y10T29/4994 - Radially expanding internal tube
  • Y10T29/49943 - Riveting

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 029 - Metal working