3868839

Information

• Patent Grant
• 3868839

• References
• Source

• Patent Number

  3,868,839

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • B21D1/06 - Removing local distortions
  • B21H7/00 - Making articles not provided for in the preceding groups
  • B21H8/00 - Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects
  • B21B1/22 - for rolling plates, strips, bands or sheets of indefinite length
  • B21B31/074 - Oil film bearings
  • B21B2035/005 - Hydraulic drive motors
  • B21B2035/106 - Non-driven or idler rolls or rollers
  • B21B2203/16 - Eccentrics
  • B21B2203/24 - Hydrostatic bearings or guides
  • B21B2203/38 - Strain gauges
  • B21B2267/065 - Top and bottom roll have different diameters Asymmetrical rolling
  • B21B2275/12 - Roll torque

• US Classifications

  • 072 - Metal deforming