3620139

Information

• Patent Grant
• 3620139

• References
• Source

• Patent Number

  3,620,139

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • B31B1/36 - by continuously feeding same to stationary members
  • B31B1/56 - by rotary members co-operating with blades
  • B31B2201/2637 - by continuously feeding same to stationary members
  • B31B2201/2679 - by rotary members co-operating with blades
  • 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

  • 226 - Advancing material of indeterminate length
  • 198 - Conveyors: power-driven
  • 493 - Manufacturing container or tube from paper