2572226

Information

• Patent Grant
• 2572226

• References
• Source

• Patent Number

  2,572,226

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1951
  74 years ago

• CPC

  • B29C66/83413 - cooperating rollers, cylinders or drums
  • B29C65/04 - Dielectric heating, e.g. high-frequency welding
  • B29C66/1122 - Single lap to lap joints
  • B29C66/41 - Joining substantially flat articles ; Making flat seams in tubular or hollow articles
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/8161 - said pressing elements being supported or backed-up by springs or by resilient material
  • B29C66/91631 - the heat or the thermal flux being kept constant over time
  • B29C66/91651 - by controlling or regulating the heat generated by Joule heating or induction heating
  • H05B6/48 - Circuits
  • H05B6/50 - for monitoring or control
  • B29C66/45 - Joining of substantially the whole surface of the articles

• US Classifications

  • 219 - Electric heating