3501790

Information

• Patent Grant
• 3501790

• References
• Source

• Patent Number

  3,501,790

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1970
  55 years ago

• CPC

  • B21K25/00 - Uniting components to form integral members
  • B21C23/183 - by forward extrusion
  • B21K1/60 - hollow or semi-hollow rivets
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part
  • Y10T29/49918 - At cup or tube end
  • Y10T29/49934 - by axially applying force
  • Y10T29/4994 - Radially expanding internal tube

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener