3876351

Information

• Patent Grant
• 3876351

• References
• Source

• Patent Number

  3,876,351

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1975
  49 years ago

• CPC

  • F16L1/038 - the pipes being made in situ
  • B29C35/06 - for articles of indefinite length
  • B29C53/20 - of tubes
  • B29C69/025 - Deforming articles in a simpler intermediate shape without internal stresses for packaging transporting or storage and reshaping and fixing the original configuration on the place of use
  • E02F5/101 - forming during digging
  • B29C35/041 - using liquids
  • B29C35/045 - using gas or flames
  • B29C2035/043 - oil
  • B29L2023/22 - Tubes or pipes

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus