Metal foam casting apparatus and method

C - Chemistry – Metallurgy – 22 – C

Patent

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Details

C22C 1/08 (2006.01) B22D 25/00 (2006.01) B22D 27/00 (2006.01) C22C 1/02 (2006.01)

Patent

CA 2474949

A method for casting articles from metal foam includes a molten metal bath and a foam forming means. The foam is drawn into a ladle, within a heated chamber, which transports a foam sample to a mould. The ladle deposits the foam sample into the mould and the mould is closed. Once cooled and hardened, the formed article is removed. The system of the invention comprises a molten metal bath, a heated foam collecting chamber, a ladle for drawing a sample of the foam and for transporting the sample to a mould. The present invention provides an apparatus for carrying out the method.

L'invention concerne un procédé permettant de couler des articles à base de métal spongieux, comprenant un bain de métal fondu et un élément de moulage de mousse. La mousse est entraînée dans une poche de coulée, dans une chambre chauffée, qui transporte un échantillon de mousse vers un moule. La poche de coulée dépose l'échantillon de mousse dans le moule et ce dernier est fermé. Une fois refroidi et solidifié, l'article moulé est enlevé. Le système de l'invention comprend un bain de métal fondu, une chambre collectrice de mousse chauffée, une poche de coulée pour entraîner un échantillon de mousse et le transporter jusque dans un moule. Ladite invention concerne également un dispositif permettant de mettre ledit procédé en oeuvre.

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