2951408

Information

• Patent Grant
• 2951408

• References
• Source

• Patent Number

  2,951,408

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1960
  64 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
  • Y10T83/2042 - Including cut pieces overlapped on delivery means
  • Y10T83/4699 - Combined with other type cutter
  • Y10T83/4847 - With cooperating stationary tool
  • Y10T83/9384 - Notching plus nonnotching tool

• US Classifications

  • 083 - Cutting
  • 198 - Conveyors: power-driven