3800677

Information

• Patent Grant
• 3800677

• References
• Source

• Patent Number

  3,800,677

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • B31B1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
  • B31B2201/2637 - by continuously feeding same to stationary members
  • B31B2201/2675 - operating on moving material
  • B31B2201/2679 - by rotary members co-operating with blades
  • B31B2201/2691 - involving folding leading or trailing flaps of blanks
  • B31B2201/28 - Opening or distending flattened boxes
  • B31B2201/6017 - Applying glue on blanks
  • B31B2201/6026 - by applying heat or pressure
  • 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

  • 493 - Manufacturing container or tube from paper