TREA

using forging or pressing devices

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Industry

  • CPC
  • B21B1/0883
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section Sequence of operations in milling trains Layout of rolling-mill plant

Current Industry

B21B1/0883using forging or pressing devices
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing H-shaped steel
    • Patent number 10,730,086
    • Issue date Aug 4, 2020
    • Nippon Steel Corporation
    • Hiroshi Yamashita
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for manufacturing metal sections
    • Patent number 4,407,056
    • Issue date Oct 4, 1983
    • Nippon Steel Corporation
    • Kazuo Watanabe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for forging sections
    • Patent number 4,363,234
    • Issue date Dec 14, 1982
    • Per-Olof Strandell
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents