2114625

Information

• Patent Grant
• 2114625

• References
• Source

• Patent Number

  2,114,625

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1938
  86 years ago

• CPC

  • B29C65/30 - Electrical means
  • B29C65/18 - using heated tools
  • B29C66/346 - Making joints having variable thicknesses in the joint area
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/432 - for making tubular articles or closed loops
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/49 - Internally supporting the
  • B29C66/72328 - Paper
  • B29C66/7234 - comprising a barrier layer
  • B29C66/81422 - being convex
  • B29C66/81427 - comprising a single ridge
  • B29C66/81431 - comprising a single cavity
  • B29C66/83513 - cooperating jaws mounted on rollers, cylinders or drums and moving in a closed path
  • B31B37/00 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness of contents from webs
  • B65D31/02 - with laminated walls
  • B29C66/1122 - Single lap to lap joints
  • B29C66/81423 - being concave
  • B29L2009/00 - Layered products
  • B31B2237/05 - the bags having multilayered walls
  • Y10S493/922 - having liner
  • Y10T156/1038 - Hollow cylinder article

• US Classifications

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