3921280

Information

• Patent Grant
• 3921280

• References
• Source

• Patent Number

  3,921,280

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B23P9/025 - to inner walls of holes by using axially moving tools
  • B23P11/02 - by first expanding and then shrinking or vice versa
  • F16B4/004 - Press fits, force fits, interference fits
  • F16B37/122 - Threaded inserts
  • F16B19/1045 - fastened by a pull - mandrel or the like
  • Y10S411/929 - Thread lock
  • Y10T29/49915 - Overedge assembling of seated part
  • Y10T29/4994 - Radially expanding internal tube

• US Classifications

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