3290856

Information

• Patent Grant
• 3290856

• References
• Source

• Patent Number

  3,290,856

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1966
  58 years ago

• CPC

  • B65D77/2056 - the cover being weakened
  • B29C65/18 - using heated tools
  • B29C65/4815 - Hot melt adhesives
  • B29C66/112 - Single lapped joints
  • B29C66/131 - Single flanged joints
  • B29C66/1312 - Single flange to flange joints, the parts to be joined being rigid
  • B29C66/24221 - being circular
  • B29C66/24244 - forming a rectangle
  • B29C66/43121 - Closing the ends of tubular or hollow single articles
  • B29C66/4326 - for making hollow articles or hollow-preforms
  • B29C66/53461 - joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
  • B29C66/542 - joining hollow covers or hollow bottoms to open ends of container bodies
  • B29C66/545 - one hollow-preform being placed inside the other
  • B29C66/723 - being multi-layered
  • B65D5/0227 - with end closures formed by inward folding of flaps and securing them by heat-sealing, adhesive applied to the flaps or staples
  • B65D5/0263 - with end closures formed by inward folding of flaps, three of them being formed of a continuous strip, the fourth being a separate flap
  • B65D5/64 - Lids
  • B65D65/40 - Applications of laminates for particular packaging purposes
  • B65D77/22 - Details
  • B29C65/1425 - Micro-wave radiation
  • B29C66/72325 - Ceramics
  • B29C66/72326 - Glass
  • B29C66/72328 - Paper
  • B29C66/72329 - Wood
  • B29C66/7292 - coated
  • B65D2577/2025 - Multi-layered container
  • B65D2577/2091 - in cover

• US Classifications

  • 053 - Package making
  • 229 - Envelopes, wrappers, and paperboard boxes