3884129

Information

• Patent Grant
• 3884129

• References
• Source

• Patent Number

  3,884,129

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1975
  49 years ago

• CPC

  • B65H20/04 - to effect step-by-step advancement of web
  • B31B19/10 - Feeding or positioning webs
  • 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
  • B31B2219/022 - Feeding or positioning 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
  • Y10T74/1516 - Adjustable throw
  • Y10T74/1524 - Intermittently engaged clutch
  • Y10T156/1313 - Cutting element simultaneously bonds [e.g., cut seaming]

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 074 - Machine element or mechanism
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 226 - Advancing material of indeterminate length