3830530

Information

• Patent Grant
• 3830530

• References
• Source

• Patent Number

  3,830,530

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • H02G9/06 - in underground tubes or conduits Tubes or conduits therefor
  • F16L21/005 - made of elastic material
  • F16L21/025 - Rolling sealing rings
  • F16L47/065 - with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket, the sealing rings being placed previously on the male part
  • F16L49/02 - Joints with a sleeve or socket
  • Y10S285/915 - Mastic

• US Classifications

  • 285 - Pipe joints or couplings