with hydraulic forces acting immediately on work

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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...