3473723

Information

• Patent Grant
• 3473723

• References
• Source

• Patent Number

  3,473,723

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • B31B1/62 - by adhesives
  • B31B1/16 - Cutting webs to form sheets or blanks
  • B31B1/18 - Slitting webs longitudinally
  • B31B1/25 - Surface scoring
  • B31B1/76 - Opening or distending flattened articles
  • B31F1/10 - by rotary tools
  • B65D5/0227 - with end closures formed by inward folding of flaps and securing them by heat-sealing, adhesive applied to the flaps or staples
  • B31B2201/145 - Cutting webs
  • B31B2201/146 - cutting or slitting webs longitudinally
  • B31B2201/255 - using tools mounted on belts or chains
  • B31B2201/257 - using tools mounted on a drum
  • B31B2201/28 - Opening or distending flattened boxes
  • B31B2201/6013 - Applying glue on already formed boxes
  • B31B2203/003 - Making collapsible boxes Making boxes being in a collapsed condition at least during some of the manufacturing steps
  • B31B2203/082 - Making boxes from tubular webs or blanks, including tube or bottom forming operations

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes