3669597

Information

• Patent Grant
• 3669597

• References
• Source

• Patent Number

  3,669,597

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • B28B13/023 - by using a feed box transferring the moulding material from a hopper to the moulding cavities
  • B28B1/08 - by vibrating or jolting
  • B28B3/00 - Producing shaped articles from the material by using presses Presses specially adapted therefor
  • B28B3/06 - with two or more ram and mould sets
  • B28B7/0058 - Moulds, cores or mandrels with provisions concerning the elimination of superfluous material; Moulds with burr-removing means provided therein or carried thereby
  • B28B13/02 - Feeding the unshaped material to moulds or apparatus for producing shaped articles

• US Classifications

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