3249486

Information

• Patent Grant
• 3249486

• References
• Source

• Patent Number

  3,249,486

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1966
  59 years ago

• CPC

  • B29C44/586 - with a cavity increasing in size during foaming
  • B29C44/30 - Expanding the moulding material between endless belts or rollers
  • B29C44/467 - Foam spreading or levelling devices
  • B29C67/226 - Folding devices for the lining
  • B29K2075/00 - Use of PU
  • Y10S264/13 - Cell size and distribution control while molding a foam
  • Y10S521/917 - Specialized mixing apparatus utilized in cell forming process

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 521 - Synthetic resins or natural rubbers