3391619

Information

• Patent Grant
• 3391619

• References
• Source

• Patent Number

  3,391,619

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1968
  56 years ago

• CPC

  • B31C1/00 - Forming tubes or pipes of paper or cardboard by feeding at right angles to the winding mandrel centre line
  • B29C53/46 - using external forming surfaces
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/49 - Internally supporting the
  • B29C66/8226 - Cam mechanisms; Wedges; Eccentric mechanisms
  • B29C66/8362 - Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
  • B29C66/8324 - Joining or pressing tools pivoting around one axis
  • Y10T156/1038 - Hollow cylinder article

• US Classifications

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