2697473

Information

• Patent Grant
• 2697473

• References
• Source

• Patent Number

  2,697,473

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1954
  70 years ago

• CPC

  • B29C59/02 - by mechanical means
  • B29C65/18 - using heated tools
  • B29C65/245 - the heat transfer being achieved contactless
  • B29C65/7873 - using cooperating conveyor belts or cooperating conveyor chains
  • B29C66/306 - Applying a mark during joining
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/8161 - said pressing elements being supported or backed-up by springs or by resilient material
  • B29C66/8181 - characterised by the cooling constructional aspects
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • B29C66/83417 - said rollers, cylinders or drums being hollow
  • B29C66/84123 - of different height
  • B29C66/91421 - of the joining tools
  • B29C66/91431 - the temperature being kept constant over time
  • B29C66/91641 - the heat or the thermal flux being non-constant over time
  • B29C66/91645 - by steps
  • B29C66/9261 - by controlling or regulating the displacement of the joining tools
  • B29C66/93451 - by controlling or regulating the rotational speed
  • B29C2035/0822 - using IR radiation
  • B29L2031/7128 - Bags, sacks, sachets
  • Y10T156/1034 - Overedge bending of lamina about edges of sheetlike base

• US Classifications

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