3820931

Information

• Patent Grant
• 3820931

• References
• Source

• Patent Number

  3,820,931

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  51 years ago

• CPC

  • B29C45/36 - having means for locating or centering cores
  • B29C2045/0051 - Flow adjustment by throttles

• US Classifications

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