3687492

Information

• Patent Grant
• 3687492

• References
• Source

• Patent Number

  3,687,492

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • B21D39/04 - of tubes with tubes of tubes with rods
  • B29C57/045 - rotating
  • B29C65/565 - involving interference fits
  • B29C65/568 - using a swaging operation
  • B29C66/5221 - for forming coaxial connections
  • B29C66/5229 - involving the use of a socket
  • 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
  • F16L19/04 - using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
  • F16L47/04 - with a swivel nut or collar engaging the pipe
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • Y10T29/49938 - Radially expanding part in cavity, aperture, or hollow body

• US Classifications

  • 285 - Pipe joints or couplings
  • 029 - Metal working
  • 264 - Plastic and nonmetallic article shaping or treating: processes