3599292

Information

• Patent Grant
• 3599292

• References
• Source

• Patent Number

  3,599,292

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1971
  53 years ago

• CPC

  • B29C47/60 - Screws
  • B29C45/60 - Screws
  • B29C45/63 - Venting or degassing means
  • B29C47/767 - through a degassing opening of a barrel
  • B29C47/0009 - characterised by the shape of the articles
  • B29C2045/605 - comprising a zone or shape enhancing the degassing of the plastic material
  • Y10S425/004 - Back pressure

• US Classifications

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