with hydraulic forces acting immediately on work

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for reducing the section of elongated components

    • Patent number 4,549,421
    • Issue date Oct 29, 1985
    • National Research Development Corporation
    • Mohammed S. J. Hashmi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydrostatic assist during rolling of cast metal

    • Patent number 4,448,052
    • Issue date May 15, 1984
    • Southwire Company
    • Deepak K. Verma
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydrodynamic drawing of multiple gauge metal strip

    • Patent number 4,015,459
    • Issue date Apr 5, 1977
    • Olin Corporation
    • Joseph Winter
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3602024

    • Patent number 3,602,024
    • Issue date Aug 31, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3564884

    • Patent number 3,564,884
    • Issue date Feb 23, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    524504

    • Patent number 524,504
    • Issue date Aug 14, 1894
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents