3647336

Information

• Patent Grant
• 3647336

• References
• Source

• Patent Number

  3,647,336

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • B29C45/14491 - Injecting material between coaxial articles
  • B29C45/28 - Closure devices therefor
  • B29D99/0035 - rollers or cylinders having an axial length of several times the diameter
  • B29C2045/145 - making rolls
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29L2031/324 - Rollers or cylinders having an axial length of several times the diameter
  • Y10S425/004 - Back pressure

• US Classifications

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