3797981

Information

• Patent Grant
• 3797981

• References
• Source

• Patent Number

  3,797,981

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  51 years ago

• CPC

  • B29C44/464 - using centrifugal force
  • B29C44/324 - the preformed parts being tubular or folded to a tubular shape

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes