2972780

Information

• Patent Grant
• 2972780

• References
• Source

• Patent Number

  2,972,780

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1961
  64 years ago

• CPC

  • B29C47/86 - at nozzle zone
  • B29C35/14 - for articles of indefinite length
  • B29C47/0004 - characterised by the choice of material
  • B29C47/02 - incorporating preformed parts or layers
  • B29C47/20 - with annular opening
  • B29C47/822 - heating
  • B29C47/862 - heating
  • B29C47/8805 - Heating
  • B29C47/00 - Extrusion moulding
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/0026 - Hollow flexible articles
  • B29C2035/0861 - using radio frequency
  • B29K2101/10 - Thermosetting resins
  • B29K2105/24 - crosslinked or vulcanised
  • B29K2301/10 - Thermosetting resins
  • Y10S264/46 - Molding using an electrical heat

• US Classifications

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