3527127

Information

• Patent Grant
• 3527127

• References
• Source

• Patent Number

  3,527,127

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1970
  54 years ago

• CPC

  • B31B1/24 - Making window openings
  • B26F1/384 - using rotating drums
  • B26D2007/2692 - the rollers or cylinders being mounted skewed
  • B31B2201/908 - involving cutting window openings
  • Y10S83/911 - Envelope blank forming
  • Y10T83/0448 - With subsequent handling [i.e., of product]
  • Y10T83/06 - Blanking
  • Y10T83/4824 - With means to cause progressive transverse cutting
  • Y10T83/664 - Roller

• US Classifications

  • 083 - Cutting