3418892

Information

• Patent Grant
• 3418892

• References
• Source

• Patent Number

  3,418,892

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 years ago

• CPC

  • B31B1/36 - by continuously feeding same to stationary members
  • B31B1/76 - Opening or distending flattened articles
  • B31B2201/0241 - by air pressure or vacuum
  • B31B2201/0276 - by being moved in the plane they are lying in
  • B31B2201/2637 - by continuously feeding same to stationary members
  • B31B2201/28 - Opening or distending flattened 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

  • 493 - Manufacturing container or tube from paper