Alloys or metallic compositions – Copper base – Zinc containing
Patent
1993-05-17
1994-11-01
Dean, Richard O.
Alloys or metallic compositions
Copper base
Zinc containing
420478, 148434, C22C 904
Patent
active
053605918
ABSTRACT:
Reduced lead bismuth yellow brasses are disclosed that are primarily useful for plumbing applications. Very low levels of grain refiners are used to increase dezincification resistance, to improve polishability, and for other desired characteristics. Silver and boron are preferred grain refiners.
REFERENCES:
patent: 1149850 (1915-08-01), Metzger
patent: 1921417 (1933-08-01), Leach
patent: 2026209 (1935-12-01), Brace
patent: 2073371 (1937-03-01), Hensel
patent: 2188681 (1940-01-01), Freeman et al.
patent: 2330062 (1943-09-01), Lempert
patent: 3805000 (1974-04-01), Roy
patent: 4091248 (1978-05-01), Arakawa et al.
patent: 4464213 (1984-08-01), Nielsen
patent: 4678720 (1987-07-01), Hsu et al.
patent: 4708739 (1987-11-01), Kellie et al.
patent: 4733018 (1988-03-01), Prabhu et al.
patent: 4879094 (1989-11-01), Ruston
patent: 5000779 (1991-03-01), German et al.
patent: 5137685 (1992-08-01), McDevitt et al.
patent: 5147469 (1992-09-01), Kanzaki et al.
patent: 5167726 (1992-12-01), Lo Iacono et al.
patent: 5198154 (1993-03-01), Yokoyama et al.
Angino, Earnest et al., "Drinking Water Quality and Chronic Disease", Environmental Science and Technology, vol. 11, No. 7, pp. 660-665, Jul. 1977.
Subramanian, Kunnath S. et al., "Lead Contamination of Drinking Water," Journal of Environmental Health, vol. 54, No. 2, pp. 29-33, Sep./Oct. 1991.
J. Plewes et al., Advanced Materials & Processes 23-27 (Oct. 1991).
International Standard (ISO) 6509 (Jul. 1, 1981).
L. Northcott, Manuscript, 101-136 (Mar. 9, 1938).
L. Northcott, Manuscript, 173-204 (Jun. 28, 1939).
J. Dennison et al., 85 J. Inst. of Metals, 8-10 (Feb. 29, 1956).
J. Dennison et al., 81 J. Inst. of Metals, 513-520 (Dec. 12, 1952).
J. Wallace et al., "Grain Refinement Of Copper-Alloy Castings", 18-21 (undated admitted prior art).
A. Cibula, 82 J. Inst. of Metals, 513-524 (Jan. 21, 1954).
J. Audy et al., 117 CA Selects: Bismuth Chemistry Item 110873(d) 1 (1992).
J. Audy et al., 29 Prakt. Metallogr., 74-84 (1992).
Day Donna L.
Ruetz Roland L.
Vojta Jan V.
Dean Richard O.
Kohler Co.
Vincent Sean
LandOfFree
Reduced lead bismuth yellow brass does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Reduced lead bismuth yellow brass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reduced lead bismuth yellow brass will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1801047