2428837

Information

• Patent Grant
• 2428837

• References
• Source

• Patent Number

  2,428,837

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1947
  77 years ago

• CPC

  • B31B23/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from webs
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B31B2237/403 - the bags having their openings facing in the direction of movement
  • Y10T83/4587 - Dwell initiated by disengagement of surface of moving frictional feed means from work

• US Classifications

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