3436446

Information

• Patent Grant
• 3436446

• References
• Source

• Patent Number

  3,436,446

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1969
  56 years ago

• CPC

  • C08J9/34 - Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
  • B29C44/421 - by plastizising the material into a shot cavity and injecting using a plunger
  • Y10S264/14 - forming integral skin on a foamed product
  • Y10S264/83 - Injection molding of polyolefin-type foam
  • Y10S297/02 - Molded

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 206 - Special receptacle or package
  • 297 - Chairs and seats
  • 425 - Plastic article or earthenware shaping or treating: apparatus