3619449

Information

• Patent Grant
• 3619449

• References
• Source

• Patent Number

  3,619,449

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • B29C33/04 - using liquids, gas or steam
  • B29C45/2642 - Heating or cooling means therefor
  • B29C45/73 - of the mould
  • B29C45/7312 - Construction of heating or cooling fluid flow channels
  • B29D17/002 - Producing phonograph records
  • B29C2045/735 - heating a mould part and cooling another mould part during moulding
  • B29L2017/003 - Records or discs

• US Classifications

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