Copper-zinc-alloy for use in drinking-water installations

Details Copper-zinc-alloy for use in drinking-water installations Copper-zinc-alloy for use in drinking-water installations

1996-09-16

1998-06-16

Ip, Sikyin

Metal treatment

Stock

Copper base

420477, 420479, 420483, 420484, C22C 904

Patent

active

057663777

ABSTRACT:
A drinking water installation is made up of a source of drinking water and equipment for delivering the drinking water. In the equipment for delivering drinking water, a copper-zinc alloy which does not contain lead or bismuth is used. This alloy has a copper to zinc ratio of from 1.3 to 2.0 and contains at least one additive for improving the properties of the alloy. This alloy possesses superior machinability properties and yet does not pose the potential toxic hazard that lead- or bismuth-containing alloys do.

REFERENCES:
patent: 1959509 (1934-05-01), Tour
patent: 5137685 (1992-08-01), McDevitt et al.
patent: 5167726 (1992-12-01), LoIacono et al.
patent: 5258108 (1993-11-01), Cassidy
patent: 5487867 (1996-01-01), Singh
500947, Nov. 3, 1976, SU patent publication.
Partial Translation of Japanese Patent Public Disclosure No. 54-135618, dated Oct. 22, 1979 (1 page).

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