3704083

Information

• Patent Grant
• 3704083

• References
• Source

• Patent Number

  3,704,083

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1972
  52 years ago

• CPC

  • B29C67/20 - for porous or cellular articles
  • B29C44/3403 - Foaming under special conditions
  • B29C44/3407 - Vacuum extrusion using underwater barometric leg
  • B29C47/34 - Conveyors for extruded material
  • B29C67/2235 - comprising extruding the compounds before foaming
  • B29C47/0019 - Flat rigid articles
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/0026 - Hollow flexible articles
  • Y10S425/06 - Vacuum

• US Classifications

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