2492530

Information

• Patent Grant
• 2492530

• References
• Source

• Patent Number

  2,492,530

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1949
  74 years ago

• CPC

  • B29C66/83533 - Cooperating jaws mounted on cooperating chains and moving in a closed path
  • B29C59/02 - by mechanical means
  • B29C65/04 - Dielectric heating, e.g. high-frequency welding
  • B29C66/1122 - Single lap to lap joints
  • B29C66/229 - Other specific patterns not provided for in B29C66/221 - B29C66/227
  • B29C66/306 - Applying a mark during joining
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/81422 - being convex
  • B29C66/81427 - comprising a single ridge
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/8167 - Quick change joining tools or surfaces

• US Classifications

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