3596869

Information

• Patent Grant
• 3596869

• References
• Source

• Patent Number

  3,596,869

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1971
  53 years ago

• CPC

  • B29C51/36 - specially adapted for vacuum forming , Manufacture thereof
  • B28B7/025 - the mould surface being made of or being supported by a plurality of small elements
  • B29C33/302 - Assembling a large number of mould elements to constitute one cavity
  • B29C44/585 - with adjustable size of the mould cavity
  • B29C67/222 - using expandable particles or beads as starting material

• US Classifications

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