3056168

Information

• Patent Grant
• 3056168

• References
• Source

• Patent Number

  3,056,168

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1962
  62 years ago

• CPC

  • B29C44/362 - Regulating the feed w.r.t. the foam layer thickness
  • B29C44/025 - Foaming in open moulds, followed by closing the moulds
  • B29C67/221 - Applying counter pressure during foaming
  • B29K2075/00 - Use of PU
  • Y10S264/04 - Molding and forming bendable and flexible product from rigid preform
  • Y10S264/13 - Cell size and distribution control while molding a foam
  • Y10S297/01 - Foam
  • Y10S425/058 - Undercut
  • Y10S521/918 - Physical aftertreatment of a cellular product

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 249 - Static molds
  • 297 - Chairs and seats
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 521 - Synthetic resins or natural rubbers