3874833

Information

• Patent Grant
• 3874833

• References
• Source

• Patent Number

  3,874,833

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • B29C70/525 - Component parts, details or accessories; Auxiliary operations
  • B05D1/265 - Extrusion coatings
  • B29C43/24 - Calendering
  • B29C44/30 - Expanding the moulding material between endless belts or rollers
  • B29C44/485 - the material being spread in the nip of two cooperating rollers
  • B29C47/0047 - producing flat articles having components brought in contact outside the extrusion die
  • B29C47/065 - with components in layered configuration
  • B29C47/32 - Roller-extrusion nozzles
  • B29C43/46 - Rollers
  • B29C47/0019 - Flat rigid articles
  • B29C47/0021 - Flat flexible articles
  • B29L2009/00 - Layered products
  • Y10S425/235 - Calendar

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus