2637251

Information

• Patent Grant
• 2637251

• References
• Source

• Patent Number

  2,637,251

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1953
  71 years ago

• CPC

  • B31B1/36 - by continuously feeding same to stationary members
  • B31B1/20 - Cutting sheets or blanks
  • B31B1/22 - Notching Trimming edges of flaps
  • B31B1/25 - Surface scoring
  • B31B1/52 - by reciprocating or oscillating members
  • B31B1/96 - in overlapping arrangement
  • B31B2201/147 - Cutting blanks
  • B31B2201/148 - Notching Trimming edges of flaps
  • B31B2201/255 - using tools mounted on belts or chains
  • B31B2201/2637 - by continuously feeding same to stationary members
  • B31B2201/267 - by reciprocating or oscillating members
  • B31B2201/27 - Straightening the side walls of boxes, squaring collapsed folded box blanks, deforming boxes
  • 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