2543307

Information

• Patent Grant
• 2543307

• References
• Source

• Patent Number

  2,543,307

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1951
  73 years ago

• CPC

  • B29C47/40 - using at least two parallel intermeshing screws or at least two parallel non-intermeshing screws
  • B29B7/526 - with two or more rollers
  • B29C47/84 - Heating or cooling the screws
  • B29C47/0021 - Flat flexible articles
  • B29C47/003 - Articles having cross-sectional irregularities

• US Classifications

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