2660219

Information

• Patent Grant
• 2660219

• References
• Source

• Patent Number

  2,660,219

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1953
  71 years ago

• CPC

  • B29C66/4322 - by joining a single sheet to itself
  • B29C53/50 - using internal forming surfaces
  • B29C65/18 - using heated tools
  • B29C65/28 - Flame or combustible material
  • B29C65/7832 - by setting the overlap between the parts to be joined
  • B29C66/003 - Protecting areas of the parts to be joined from overheating
  • B29C66/0342 - Cooling
  • B29C66/1122 - Single lap to lap joints
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/49 - Internally supporting the
  • B29C66/8169 - the mounting of said pressing elements being laterally movable
  • B29C66/8181 - characterised by the cooling constructional aspects
  • B29C66/83421 - band or belt types
  • B29C66/83423 - cooperating bands or belts
  • B29C66/8744 - Preventing overheating of the parts to be joined
  • B29C66/87443 - by withdrawing the heating tools
  • B29C66/87445 - by introducing protection shields
  • 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
  • B29C66/8511 - Bag making machines
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B31B2237/403 - the bags having their openings facing in the direction of movement
  • Y10T156/1013 - and edge-joining of one piece blank to form tube
  • Y10T156/12 - Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing

• US Classifications

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