266 / | HD | METALLURGICAL APPARATUS |
114 | HAVING MEANS FOR CONTACTING A SOLID METALLIFEROUS MATERIAL OR METAL OBJECT WITH A LIQUID {5} | |
115 | DF | .~> With means changing the shape of a treated object, e.g., roller means {1} |
117 | DF | .~> With means to prevent warping of treated object {2} |
120 | DF | .~> By immersing an article to be treated in bath of molten material, e.g., salt bath |
121 | DF | .~> With heating means, e.g., flame contact {6} |
134 | DF | .~> By means contacting only selected areas of treated article with liquid |