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

Child Classifications

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