2976780

Information

• Patent Grant
• 2976780

• References
• Source

• Patent Number

  2,976,780

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  63 years ago

• CPC

  • B31B1/96 - in overlapping arrangement
  • B31B1/62 - by adhesives
  • B31B2201/27 - Straightening the side walls of boxes, squaring collapsed folded box blanks, deforming boxes
  • B31B2201/6021 - Arrangements for permitting the glue to set
  • B31B2201/925 - in overlapping arrangement
  • 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
  • 053 - Package making