3389535

Information

• Patent Grant
• 3389535

• References
• Source

• Patent Number

  3,389,535

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1968
  56 years ago

• CPC

  • B65B9/042 - for fluent material
  • B29C65/02 - by heating, with or without pressure
  • B29C65/7891 - of discontinuously moving sheets or webs
  • B29C66/53461 - joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/84121 - of different width
  • B29C66/87445 - by introducing protection shields
  • B29C66/91231 - of the joining tool
  • 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
  • B65D75/326 - and forming one compartment
  • B65D75/327 - and forming several compartments
  • B29C65/04 - Dielectric heating, e.g. high-frequency welding
  • B29C66/961 - involving a feedback loop mechanism
  • B29C2793/0009 - Cutting out

• US Classifications

  • 053 - Package making
  • 219 - Electric heating
  • 392 - Electric resistance heating devices