3921425

Information

• Patent Grant
• 3921425

• References
• Source

• Patent Number

  3,921,425

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B21B37/28 - Control of flatness or profile during rolling of strip, sheets or plates
  • B21B11/00 - Subsidising the rolling process by subjecting rollers or work to vibrations
  • B21B33/00 - Safety devices not otherwise provided for Breaker blocks Devices for freeing jammed rolls for handling cobbles; Overload safety devices
  • B21B13/147 - Cluster mills, e.g. Sendzimir mills , Rohn mills

• US Classifications

  • 072 - Metal deforming