3813115

Information

• Patent Grant
• 3813115

• References
• Source

• Patent Number

  3,813,115

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • B29C49/44 - for applying pressure through the walls of an inflated bag
  • B29C57/06 - elastically deformable
  • F16L37/244 - the coupling being co-axial with the pipe
  • F16L37/252 - the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part
  • B29C43/12 - using bags surrounding the moulding material or using membranes contacting the moulding material

• US Classifications

  • 285 - Pipe joints or couplings