2471447

Information

• Patent Grant
• 2471447

• References
• Source

• Patent Number

  2,471,447

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1949
  75 years ago

• CPC

  • B29C37/00 - Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
  • B31C5/00 - Forming tubes or pipes of paper or cardboard without mandrels
  • Y10S100/907 - Rotary
  • Y10S264/50 - Use of fluid pressure in molding
  • Y10T225/321 - Preliminary weakener
  • Y10T225/35 - Work-parting pullers [bursters]

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 100 - Presses
  • 225 - Severing by tearing or breaking
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 493 - Manufacturing container or tube from paper