2376253

Information

• Patent Grant
• 2376253

• References
• Source

• Patent Number

  2,376,253

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1945
  80 years ago

• CPC

  • B65B51/16 - by rotary members
  • B29C65/18 - using heated tools
  • B29C65/305 - involving the use of cartridge heaters
  • B29C66/43121 - Closing the ends of tubular or hollow single articles
  • B29C66/81433 - being toothed
  • B29C66/81435 - comprising several parallel ridges
  • B29C66/81812 - the welding jaws being cooled from the outside
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • B29C66/83417 - said rollers, cylinders or drums being hollow
  • 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
  • B31B19/64 - by applying heat or pressure
  • B29C65/245 - the heat transfer being achieved contactless
  • B29C2035/0822 - using IR radiation
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2219/6053 - Making seals parallel to the direction of movement

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 053 - Package making