3793927

Information

• Patent Grant
• 3793927

• References
• Source

• Patent Number

  3,793,927

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1974
  50 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
  • B31B2237/40 - involving folding webs longitudinally
  • B31B2237/406 - the bags having their openings facing transversally to the direction of movement
  • Y10T83/4743 - With means to vary cyclically speed of work
  • Y10T83/4775 - Tool speed varied within each orbital cycle
  • Y10T156/1313 - Cutting element simultaneously bonds [e.g., cut seaming]

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 083 - Cutting
  • 156 - Adhesive bonding and miscellaneous chemical manufacture