3378672

Information

• Patent Grant
• 3378672

• References
• Source

• Patent Number

  3,378,672

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1968
  56 years ago

• CPC

  • B29D23/005 - provided with electrical wiring
  • B29C65/342 - comprising at least a single wire
  • B29C65/3464 - characterised by the cross-section of said heated elements which remain in the joint or by the cross-section of their coating
  • B29C65/348 - with a polymer coating
  • B29C66/1122 - Single lap to lap joints
  • B29C66/1142 - Single butt to butt joints
  • B29C66/5221 - for forming coaxial connections
  • B29C66/52231 - with a right angle
  • B29C66/5229 - involving the use of a socket
  • B29C66/836 - Moving relative to and tangentially to the parts to be joined
  • F16L47/03 - Welded joints with an electrical resistance incorporated in the joint
  • H05B3/00 - Ohmic-resistance heating
  • H05B3/18 - the conductor being embedded in an insulating material
  • H05B3/54 - flexible
  • H05B3/56 - Heating cables
  • H05B3/565 - flat cables
  • B29C65/3452 - forming a sleeve
  • B29C65/3468 - characterised by the means for supplying heat to said heated elements which remain in the join
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined

• US Classifications

  • 219 - Electric heating
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 174 - Electricity: conductors and insulators
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 285 - Pipe joints or couplings