3420035

Information

• Patent Grant
• 3420035

• References
• Source

• Patent Number

  3,420,035

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • B29C66/1122 - Single lap to lap joints
  • B29C65/08 - using ultrasonic vibrations
  • B29C65/223 - comprising several heated wires
  • B29C65/228 - characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
  • B29C65/229 - characterised by the means for tensioning said heated wire, resistive ribbon, resistive band or resistive strip
  • B29C65/30 - Electrical means
  • B29C65/7433 - the tool being a wire
  • B29C65/7894 - of continuously moving sheets or webs
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/81419 - and flat
  • B29C66/81435 - comprising several parallel ridges
  • B29C66/8161 - said pressing elements being supported or backed-up by springs or by resilient material
  • B29C66/83523 - Cooperating jaws mounted on cooperating bands or belts and moving in a closed path
  • B29C66/83533 - Cooperating jaws mounted on cooperating chains and moving in a closed path
  • B29C66/836 - Moving relative to and tangentially to the parts to be joined
  • B29C66/849 - Packaging machines
  • B29C66/92611 - by controlling or regulating the gap between the joining tools
  • B65B9/06 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
  • B65B51/30 - Devices
  • B29C65/38 - Impulse heating
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/73715 - heat-shrinkable
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics

• US Classifications

  • 053 - Package making