3788917

Information

• Patent Grant
• 3788917

• References
• Source

• Patent Number

  3,788,917

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  51 years ago

• CPC

  • B65B51/20 - by fluid pressure acting directly on folds or on opposed surfaces
  • B29C65/103 - direct heating both surfaces to be joined
  • B29C65/7894 - of continuously moving sheets or webs
  • B29C66/1122 - Single lap to lap joints
  • B29C66/431 - Joining the articles to themselves
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/49 - Internally supporting the
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/80 - General aspects of machine operations or constructions and parts thereof
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • B29C66/83423 - cooperating bands or belts
  • B31B19/64 - by applying heat or pressure
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C2035/048 - inert gas
  • B31B2219/603 - by applying heat or pressure

• US Classifications

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