3728098

Information

• Patent Grant
• 3728098

• References
• Source

• Patent Number

  3,728,098

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • C03B23/0357 - by suction without blowing, e.g.with vacuum or by venturi effect
  • B29C51/36 - specially adapted for vacuum forming , Manufacture thereof
  • C03B9/24 - Construction of the blank mould
  • C03B40/02 - by lubrication Use of materials as release or lubricating compositions

• US Classifications

  • 065 - Glass manufacturing
  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus