3743567

Information

• Patent Grant
• 3743567

• References
• Source

• Patent Number

  3,743,567

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1973
  51 years ago

• CPC

  • B31B27/00 - Machinery characterised by making interconnected envelopes or bags
  • B29C47/0026 - Hollow flexible articles
  • B29C47/0057 - Extrusion moulding combined with shaping by orienting, stretching or shrinking
  • B29C47/0059 - Extrusion moulding combined with shaping by flattening, folding or bending
  • B31B2219/022 - Feeding or positioning webs
  • B31B2219/6038 - using sealing jaws or sealing dies
  • B31B2219/6061 - Making seals transversally to the direction of movement
  • B31B2219/924 - the bags being interconnected
  • B31B2237/60 - starting from tubular webs
  • Y10T156/1056 - Perforating lamina
  • Y10T156/1737 - Discontinuous, spaced area, and/or patterned pressing

• US Classifications

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