3549462

Information

• Patent Grant
• 3549462

• References
• Source

• Patent Number

  3,549,462

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • B29C66/83533 - Cooperating jaws mounted on cooperating chains and moving in a closed path
  • B29C65/18 - using heated tools
  • B29C65/30 - Electrical means
  • B29C65/305 - involving the use of cartridge heaters
  • B29C65/72 - by combined operations or combined techniques
  • B29C66/1122 - Single lap to lap joints
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/43121 - Closing the ends of tubular or hollow single articles
  • B29C66/841 - Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions
  • B31B19/60 - and having means for uniting opposed surfaces or edges, or for taping
  • B31B19/64 - by applying heat or pressure
  • B29C66/91231 - of the joining tool
  • B29C66/91421 - of the joining tools
  • B29C66/9161 - by controlling or regulating the heat or the thermal flux
  • B29K2101/12 - Thermoplastic materials
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2219/29 - Closing bags
  • B31B2219/6038 - using sealing jaws or sealing dies
  • B31B2219/6076 - using tools mounted on a drum

• US Classifications

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