3419453

Information

• Patent Grant
• 3419453

• References
• Source

• Patent Number

  3,419,453

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  55 years ago

• CPC

  • B29C66/83533 - Cooperating jaws mounted on cooperating chains and moving in a closed path
  • B29C65/18 - using heated tools
  • B29C66/1122 - Single lap to lap joints
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B31B19/64 - by applying heat or pressure
  • B31B23/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from webs
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2219/142 - using tools mounted on belts or chains
  • B31B2219/6038 - using sealing jaws or sealing dies
  • B31B2219/6076 - using tools mounted on a drum
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B65H2301/4634 - Heat seal splice
  • Y10T156/1304 - Means making hole or aperture in part to be laminated

• US Classifications

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