3446121

Information

• Patent Grant
• 3446121

• References
• Source

• Patent Number

  3,446,121

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • B31B1/80 - pneumatically
  • B65B43/30 - by grippers engaging opposed walls
  • B31B2201/287 - pneumatically
  • B31B2219/28 - Opening or distending bags
  • B31B2221/405 - the bags having their openings facing transversally to the direction of movement
  • Y10T29/49805 - Shaping by direct application of fluent pressure

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 029 - Metal working