3758066

Information

• Patent Grant
• 3758066

• References
• Source

• Patent Number

  3,758,066

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • F16L41/088 - fixed using an elastic grommet between the extremity of the tube and the wall
  • B28B23/0043 - with gaskets or sealing elements
  • B28B23/0056 - Means for inserting the elements into the mould or supporting them in the mould
  • E02D29/14 - Covers for manholes or the like Frames for covers
  • E02D29/149 - Annular gaskets
  • E03F3/04 - Pipes or fittings specially adapted to sewers
  • E03F5/02 - Manhole shafts or other inspection chambers snow-filling openings accessories
  • E03F5/021 - Connection of sewer pipes to manhole shaft
  • F16L41/002 - of concrete, cement or asbestos-cement
  • E03F2005/028 - Sealing joints between manhole segments
  • Y10T29/4987 - Elastic joining of parts

• US Classifications

  • 249 - Static molds
  • 029 - Metal working