3390042

Information

• Patent Grant
• 3390042

• References
• Source

• Patent Number

  3,390,042

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1968
  57 years ago

• CPC

  • B29C66/83533 - Cooperating jaws mounted on cooperating chains and moving in a closed path
  • B29C65/18 - using heated tools
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/431 - Joining the articles to themselves
  • B29C66/8412 - of different length, width or height
  • 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
  • B65B51/30 - Devices
  • 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
  • B31B2237/40 - involving folding webs longitudinally
  • B31B2237/406 - the bags having their openings facing transversally to the direction of movement

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture