3807287

Information

• Patent Grant
• 3807287

• References
• Source

• Patent Number

  3,807,287

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • B31B19/94 - singly or in succession
  • B31B19/36 - by continuously feeding same to stationary members
  • B31B19/68 - by stitching, stapling or riveting
  • 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
  • B31B2219/2627 - by continuously feeding same to stationary members
  • B31B2219/269 - involving gusset-forming
  • B31B2219/6084 - by stitching, stapling, or riveting
  • B31B2219/921 - singly or in succession
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B31B2237/60 - starting from tubular webs
  • Y10T83/4632 - Comprises a work-moving gripper

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 083 - Cutting
  • 198 - Conveyors: power-driven
  • 271 - Sheet feeding or delivering