3669604

Information

• Patent Grant
• 3669604

• References
• Source

• Patent Number

  3,669,604

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • B29C47/522 - using rollers
  • B29C45/464 - using a rotating plasticising or injection disc
  • B29C45/72 - Heating or cooling
  • B29C47/0009 - characterised by the shape of the articles
  • B29C47/822 - heating
  • B29C47/842 - heating
  • B29C47/862 - heating
  • B29K2027/06 - PVC

• US Classifications

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