3890765

Information

• Patent Grant
• 3890765

• References
• Source

• Patent Number

  3,890,765

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • B29C65/10 - using hot gases (
  • B29B13/025 - Tube ends
  • B29C65/103 - direct heating both surfaces to be joined
  • B29C66/1122 - Single lap to lap joints
  • B29C66/1312 - Single flange to flange joints, the parts to be joined being rigid
  • B29C66/3452 - Making complete joints by combining partial joints
  • B29C66/43122 - Closing the top of gable top containers
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/4326 - for making hollow articles or hollow-preforms
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/8221 - Scissor or lever mechanisms
  • B29C66/82261 - Wedges
  • B29C66/8227 - using springs
  • B29C66/83241 - cooperating pivoting tools
  • B29C66/849 - Packaging machines
  • B31B1/32 - in circular paths
  • B31B17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/72328 - Paper
  • B29L2031/7166 - Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements
  • B31B2201/2612 - the mandrels being mounted on a drum, or a wheel
  • B31B2217/082 - Making boxes from tubular webs or blanks

• US Classifications

  • 053 - Package making
  • 493 - Manufacturing container or tube from paper