3131623

Information

• Patent Grant
• 3131623

• References
• Source

• Patent Number

  3,131,623

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  60 years ago

• CPC

  • B65B51/24 - to produce bead seals
  • B29C65/1445 - heating both sides of the joint
  • B29C65/1448 - radiating the edges of the parts to be joined
  • B29C65/787 - using conveyor belts or conveyor chains
  • B29C66/0342 - Cooling
  • B29C66/137 - Beaded-edge joints or bead seals
  • B29C66/43121 - Closing the ends of tubular or hollow single articles
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/80 - General aspects of machine operations or constructions and parts thereof
  • B29C66/81261 - Thermal properties
  • B29C66/81815 - of the clamps
  • B29C66/83423 - cooperating bands or belts
  • B29C66/836 - Moving relative to and tangentially to the parts to be joined
  • B29C66/849 - Packaging machines
  • B65B51/10 - Applying or generating heat or pressure or combinations thereof
  • B29C65/1467 - at the same time
  • B29C66/1122 - Single lap to lap joints
  • B29C66/133 - Fin-type joints, the parts to be joined being flexible
  • B29C66/8122 - characterised by the composition of the material constituting the pressing elements
  • B29L2031/7128 - Bags, sacks, sachets

• US Classifications

  • 100 - Presses
  • 053 - Package making
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 219 - Electric heating
  • 338 - Electrical resistors
  • 392 - Electric resistance heating devices