Glass manufacturing – Apparatus made of special material – Metallic
Patent
1986-06-26
1988-03-22
Kellogg, Arthur
Glass manufacturing
Apparatus made of special material
Metallic
65305, 6537411, 249135, 420486, 420487, C22C 906
Patent
active
047326026
ABSTRACT:
This invention relates to a copper base alloy with improved toughness and weldability for use in making molds for glass containers. The alloy of the present invention contains copper, nickel and aluminum and may have intentional additions of iron for grain refinement and niobium for increased oxidation resistance. It is felt that niobium should be added when the alloy is to be welded under adverse conditions. The nickel content sould be between about 12 and 16 wt/o and the aluminum content between about 8.5 and 11.5 wt/o. If the aluminum content is above or below the range, and/or the nickel content is near or above 16 wt/o the alloy may have excessive hardness. Iron additions for grain refinement should be up to about 1.0 wt/o. The niobium, when added to improve weldability, should be maintained between about 0.5 and 1.0 wt/o.
REFERENCES:
patent: 3258334 (1966-06-01), Kessler
patent: 4594117 (1986-06-01), Pryor et al.
Dakan John F.
Schmidt Donald G.
Kellogg Arthur
Kelly Machine & Foundry
Weins Janine J.
Weins Michael J.
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