1940559

Information

• Patent Grant
• 1940559

• References
• Source

• Patent Number

  1,940,559

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • B29C65/18 - using heated tools
  • B29C53/48 - for articles of indefinite length
  • B29C65/245 - the heat transfer being achieved contactless
  • B29C65/305 - involving the use of cartridge heaters
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/432 - for making tubular articles or closed loops
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/80 - General aspects of machine operations or constructions and parts thereof
  • B29C66/91423 - using joining tools having different temperature zones or using several joining tools with different temperatures
  • B29C66/91431 - the temperature being kept constant over time
  • B29C66/91641 - the heat or the thermal flux being non-constant over time
  • B29C66/91655 - by controlling or regulating the current intensity
  • B31B19/64 - by applying heat or pressure
  • B29C65/247 - the heat resulting from a chemical reaction
  • B29C66/83411 - Roller, cylinder or drum types
  • B29C66/83511 - jaws mounted on rollers, cylinders or drums
  • B29C66/8511 - Bag making machines
  • B31B2219/603 - by applying heat or pressure
  • Y10T156/1008 - Longitudinal bending

• US Classifications

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