3754456

Information

• Patent Grant
• 3754456

• References
• Source

• Patent Number

  3,754,456

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1973
  51 years ago

• CPC

  • B31F7/004 - Making tubes
  • B29C65/1432 - direct heating of the surfaces to be joined
  • B29C65/1464 - making use of several radiators
  • B29C65/3644 - being a ribbon, band or strip
  • B29C65/3656 - being a layer of a multilayer part to be joined
  • B29C65/368 - with a polymer coating
  • B29C65/4815 - Hot melt adhesives
  • B29C65/54 - between pre-assembled parts
  • B29C66/1122 - Single lap to lap joints
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/4326 - for making hollow articles or hollow-preforms
  • B29C66/49 - Internally supporting the
  • B29C66/72321 - consisting of metals or their alloys
  • B29C66/72328 - Paper
  • B29C66/83411 - Roller, cylinder or drum types
  • B31F1/0029 - Folding edges; Folding edges combined with joining; Reinforcing edges during the folding thereof
  • B29C53/36 - Bending and joining
  • B29C65/482 - Drying adhesives
  • B29C66/7234 - comprising a barrier layer
  • B29K2711/123 - Coated
  • B29L2009/00 - Layered products
  • B29L2031/7162 - Boxes, cartons, cases

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 219 - Electric heating