3679531

Information

• Patent Grant
• 3679531

• References
• Source

• Patent Number

  3,679,531

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • F16L11/16 - wound from profiled strips or bands
  • B29C65/00 - Joining or sealing of preformed parts
  • B29C66/12423 - Dovetailed interlocking undercuts
  • B29C66/12443 - having the tongue substantially in the middle
  • B29C66/12461 - being rounded
  • B29C66/524 - Joining profiled elements
  • B29C66/72523 - multi-channelled or multi-tubular
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • E04C2/40 - composed of a number of smaller components rigidly or movably connected together
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • Y10T428/24488 - Differential nonuniformity at margin
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell
  • Y10T428/24777 - Edge feature
  • Y10T428/24802 - Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures
  • 138 - Pipes and tubular conduits
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 165 - Heat exchange
  • 174 - Electricity: conductors and insulators
  • 219 - Electric heating