2696255

Information

• Patent Grant
• 2696255

• References
• Source

• Patent Number

  2,696,255

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1954
  70 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
  • Y10T83/0505 - With reorientation of work between cuts
  • Y10T83/0538 - Repetitive transverse severing from leading edge of work
  • Y10T83/4691 - Interrelated control of tool and work-feed drives
  • Y10T83/4699 - Combined with other type cutter
  • Y10T83/4705 - Plural separately mounted flying cutters

• US Classifications

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