3353220

Information

• Patent Grant
• 3353220

• References
• Source

• Patent Number

  3,353,220

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1967
  57 years ago

• CPC

  • B28B7/06 - Moulds with flexible parts
  • B28B7/0038 - the sidewalls of mould and moulded article moving only past each other
  • B28B23/00 - Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
  • Y10S425/019 - Flexible fluid pressure
  • Y10S425/808 - Lens mold

• US Classifications

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