3772116

Information

• Patent Grant
• 3772116

• References
• Source

• Patent Number

  3,772,116

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • B31B29/00 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness or contents
  • B31B2221/20 - the bags having structural provision at the base for thickness of content
  • B31B2221/407 - starting from already formed bags
  • Y10T156/1043 - Subsequent to assembly
  • Y10T156/1046 - Bending of one lamina only
  • Y10T156/17 - Surface bonding means and/or assemblymeans with work feeding or handling means

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 493 - Manufacturing container or tube from paper