Methods or devices for measuring, specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

Introduced: January 1995

Title

Titles differ between systems:

IPC: Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

CPC: Methods or devices for measuring, specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

Full titles differ between systems:

IPC:

Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

CPC:

Methods or devices for measuring, specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

Of 10 combined children, 6 exist in both systems.

4 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

IPC defines codes here since 1995.

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B21B 2038/002 2nd only CPC only CPC only
B21B 2038/004 2nd only CPC only CPC only
B21B 38/006 CPC only CPC only
B21B 38/008 CPC only CPC only
B21B 38/02 for measuring flatness or profile of strips since 1995 IPC+CPC Available in IPC and CPC
B21B 38/04 for measuring thickness, width, diameter or other transverse dimensions of the product since 1995 IPC+CPC Available in IPC and CPC
B21B 38/06 for measuring tension or compression since 1995 IPC+CPC Available in IPC and CPC
B21B 38/08 for measuring roll-force since 1995 IPC+CPC Available in IPC and CPC
B21B 38/10 for measuring roll-gap, e.g. pass indicators since 1995 +1 CPC IPC+CPC Available in IPC and CPC
B21B 38/12 for measuring roll camber since 1995 IPC+CPC Available in IPC and CPC

Class B21,2013–2023, worldwide · Source: EPO PATSTAT

Class B21,2013–2023, worldwide · Source: EPO PATSTAT