3823630

Information

• Patent Grant
• 3823630

• References
• Source

• Patent Number

  3,823,630

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  50 years ago

• CPC

  • B21D28/26 - in sheets or flat parts
  • B26F1/02 - Perforating by punching
  • Y10T83/2066 - By fluid current
  • Y10T83/2157 - Elastomeric stripper contacting product
  • Y10T83/395 - One tool having only rectilinear motion[s]
  • Y10T83/398 - Internal tool is an active cutter
  • Y10T83/8828 - Plural tools with same drive means
  • Y10T83/9425 - Tool pair
  • Y10T83/9432 - Plural spaced successively operative shearing portions

• US Classifications

  • 083 - Cutting
  • 493 - Manufacturing container or tube from paper