3804931

Information

• Patent Grant
• 3804931

• References
• Source

• Patent Number

  3,804,931

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • B29C44/30 - Expanding the moulding material between endless belts or rollers
  • B29C44/328 - the foamable components being mixed in the nip between the preformed parts
  • B29L2007/00 - Flat articles
  • B29L2009/00 - Layered products

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 425 - Plastic article or earthenware shaping or treating: apparatus