Hydraulic expansion of rolls

Industry

  • CPC
  • B21B2267/22
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling mill

    • Patent number 4,581,914
    • Issue date Apr 15, 1986
    • Sumitomo Metal Industries, Ltd.
    • Takeshi Masui
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3611764

    • Patent number 3,611,764
    • Issue date Oct 12, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents