2429012

Information

• Patent Grant
• 2429012

• References
• Source

• Patent Number

  2,429,012

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1947
  77 years ago

• CPC

  • B28B21/40 - by evacuating one or more of the mould parts; Vacuum machines
  • B28B21/305 - Moulding machines with vertical rotation axis
  • B28B21/32 - Feeding the material into the moulds

• US Classifications

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