3776673

Information

• Patent Grant
• 3776673

• References
• Source

• Patent Number

  3,776,673

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • B29C31/002 - Handling tubes
  • B29C57/00 - Shaping of tube ends
  • B29C65/565 - involving interference fits
  • B29C65/568 - using a swaging operation
  • B29C66/534 - Joining single elements to open ends of tubular or hollow articles or to the ends of bars
  • B29C66/5344 - said single elements being substantially annular, i.e. of finite length
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/91421 - of the joining tools
  • B29C66/91431 - the temperature being kept constant over time
  • B43K15/02 - Automatic machines
  • B29L2031/7252 - Pens, ball-point pens
  • Y10T29/49929 - Joined to rod

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 029 - Metal working