3580788

Information

• Patent Grant
• 3580788

• References
• Source

• Patent Number

  3,580,788

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • B29C65/10 - using hot gases (
  • B29C53/48 - for articles of indefinite length
  • B29C66/1122 - Single lap to lap joints
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/49 - Internally supporting the
  • B29C66/72328 - Paper
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • B31B19/64 - by applying heat or pressure
  • B65B9/20 - the webs being formed into tubes in situ around the filling nozzles
  • B65B51/16 - by rotary members
  • B65B51/20 - by fluid pressure acting directly on folds or on opposed surfaces
  • B65B51/26 - Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
  • B29C66/91431 - the temperature being kept constant over time
  • B29C66/91641 - the heat or the thermal flux being non-constant over time
  • B29K2711/123 - Coated
  • B29L2009/00 - Layered products
  • B29L2023/005 - Hoses
  • B31B2219/6053 - Making seals parallel to the direction of movement
  • Y10T156/1013 - and edge-joining of one piece blank to form tube

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture