Treating the metal in the mould while it is molten or ductile (B22D7/12, B22D11/10, B22D43/00 take precedence);

Introduced: September 1968

Title

Titles differ between systems:

IPC: Treating the metal in the mould while it is molten or ductile

CPC: Treating the metal in the mould while it is molten or ductile (B22D7/12, B22D11/10, B22D43/00 take precedence);

Full titles differ between systems:

IPC:

Treating the metal in the mould while it is molten or ductile

CPC:

Treating the metal in the mould while it is molten or ductile (B22D7/12, B22D11/10, B22D43/00 take precedence);

Of 9 combined children, 7 exist in both systems.

2 codes are CPC-only extensions.

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B22D 27/003 CPC only CPC only
B22D 27/006 CPC only CPC only
B22D 27/02 Use of electric or magnetic effects IPC+CPC Available in IPC and CPC
B22D 27/04 Influencing the temperature of the metal, e.g. by heating or cooling the mould +1 CPC IPC+CPC Available in IPC and CPC
B22D 27/08 Shaking, vibrating, or turning of moulds IPC+CPC Available in IPC and CPC
B22D 27/09 by using pressure since 1980 IPC+CPC Available in IPC and CPC
B22D 27/15 by using vacuum since 1980 IPC+CPC Available in IPC and CPC
B22D 27/18 Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack IPC+CPC Available in IPC and CPC
B22D 27/20 Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor IPC+CPC Available in IPC and CPC

Class B22,2013–2023, worldwide · Source: EPO PATSTAT

Class B22,2013–2023, worldwide · Source: EPO PATSTAT