3832429

Information

• Patent Grant
• 3832429

• References
• Source

• Patent Number

  3,832,429

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B29C44/26 - using several expanding steps
  • B29C44/206 - Using expandable particles or beads as starting material
  • B29C44/30 - Expanding the moulding material between endless belts or rollers
  • Y10S264/14 - forming integral skin on a foamed product

• US Classifications

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