A nucleated casting apparatus including an atomizing nozzle configured to produce a droplet spray of a metallic material, a mold configured to receive the droplet spray and form a preform therein, and a gas injector which can limit, and possibly prevent, overspray from accumulating on the mold. The gas...http://www.google.se/patents/US20090139682?utm_source=gb-gplus-sharePatent US20090139682 - Casting Apparatus and Method
