C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 9/48 (2006.01) B22D 17/22 (2006.01) C22C 38/42 (2006.01) C22C 38/44 (2006.01) C22C 38/46 (2006.01)
Patent
CA 2233830
A tool for glass molding operations, particularly television tubes, having high oxidation resistance so that surface imperfections on a formed workpiece are eliminated or drastically reduced, said tool having the following approximate composition by weight percent: C .23 - .38,Mn.40 - 1.00,P .040 max, S .030 max, Si .00 - 1.20, Ni 1.0 - 3.0, Cr 14.0 - 20.0, Mo .25 - 1.00, V .10 max, Cu .50 - 1.50, Al .50 - 1.50, Fe balance together with incidental impurities and other elements not significantly adversely affecting performance and methods of manufacture thereof.
Outil de moulage du verre, particulièrement de tubes de télévision, possédant une résistance à l'oxydation telles que les imperfections superficielles sur une pièce formée sont éliminées ou considérablement réduites, ledit outil possédant la composition approximative suivante en pourcentage en poids : C ,23 - ,38, Mn ,40 - 1,00, P ,040 max., S ,030 max., Si ,00 - 1,20, Ni 1,0 - 3,0, Cr 14,0 - 20,0, Mo ,25 - 1,00, V ,10 max., Cu ,50 - 1,50, Al ,50 - 1,50; le reste, qui est constitué de Fe ainsi que d'impuretés et d'autres éléments, n'influe pas beaucoup sur la performance et les méthodes de fabrication de l'outil.
Adamson Jesse
Brada Guy A.
Underys Algirdas A.
A. Finkl & Sons Co.
Cassan Maclean
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