3640794

Information

• Patent Grant
• 3640794

• References
• Source

• Patent Number

  3,640,794

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • B29C65/14 - using wave energy
  • B29C65/1448 - radiating the edges of the parts to be joined
  • B29C65/1464 - making use of several radiators
  • B29C65/787 - using conveyor belts or conveyor chains
  • B29C65/7894 - of continuously moving sheets or webs
  • B29C66/1122 - Single lap to lap joints
  • B29C66/137 - Beaded-edge joints or bead seals
  • B29C66/347 - using particular temperature distributions or gradients; using particular heat distributions or gradients
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/43121 - Closing the ends of tubular or hollow single articles
  • B29C66/83531 - jaws mounted on chains
  • B29C66/836 - Moving relative to and tangentially to the parts to be joined
  • B29C65/7873 - using cooperating conveyor belts or cooperating conveyor chains
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29L2031/7128 - Bags, sacks, sachets

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture