3279290

Information

• Patent Grant
• 3279290

• References
• Source

• Patent Number

  3,279,290

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1966
  58 years ago

• CPC

  • B31B21/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from sheets or blanks
  • B31B2221/10 - the bags having no structural provision at the base for thickness of content
  • B31B2221/105 - obtained from rhombus shaped sheets
  • Y10S83/911 - Envelope blank forming
  • Y10T83/0462 - By accelerating travel
  • Y10T83/0505 - With reorientation of work between cuts
  • Y10T83/4696 - Plural diverse flying cutters
  • Y10T83/658 - With projections on work-carrier [e.g., pin wheel]

• US Classifications

  • 083 - Cutting
  • 198 - Conveyors: power-driven
  • 271 - Sheet feeding or delivering