3267780

Information

• Patent Grant
• 3267780

• References
• Source

• Patent Number

  3,267,780

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1966
  59 years ago

• CPC

  • B21D51/383 - scoring lines, tear strips or pulling tabs
  • B21D26/12 - initiated by spark discharge
  • Y10T83/0341 - Processes
  • Y10T83/0591 - Cutting by direct application of fluent pressure to work
  • Y10T83/364 - By fluid blast and/or suction
  • Y10T83/8755 - One tool resiliently mounted or biased
  • Y10T83/8861 - Diaphragm

• US Classifications

  • 083 - Cutting
  • 072 - Metal deforming
  • 493 - Manufacturing container or tube from paper