3780921

Information

• Patent Grant
• 3780921

• References
• Source

• Patent Number

  3,780,921

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  50 years ago

• CPC

  • B26D1/00 - Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for Apparatus or machines therefor Cutting members therefor
  • Y10T83/0341 - Processes
  • Y10T83/2042 - Including cut pieces overlapped on delivery means
  • Y10T83/658 - With projections on work-carrier [e.g., pin wheel]
  • Y10T83/6644 - With work-supplying reel
  • Y10T225/12 - With preliminary weakening
  • Y10T225/16 - Transversely of continuously fed work
  • Y10T225/329 - Plural breakers
  • Y10T225/35 - Work-parting pullers [bursters]

• US Classifications

  • 225 - Severing by tearing or breaking
  • 083 - Cutting
  • 493 - Manufacturing container or tube from paper