Class 148/413 - Zinc containing

Subclass of Class 148 - Metal treatment
Definition: Stock material which additionally contains zinc.
No. of patents: 32
Last issue date: 04/06/2004

Number	Title	Issue Date
6716541	Material for a metal strip The material for a metal strip for manufacturing electrical contact component parts has, expressed in percent by weight, the following composition:	04/06/2004
6620340	Method for providing a corrosion inhibiting solution The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is directed to a method of making a substantially contaminant-free, ...	09/16/2003
6464810	Brass material, brass tube and their production method An object is to improve machinability and polishability of a brass material prepared through cold working, particularly in a brass pipe material. Before cold working, by having an ଱ phase making heat treatment step for increasing an area ratio of an...	10/15/2002
6391384	Method for providing a corrosion inhibiting solution The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is directed to a method of making a substantially contaminant-free, ...	05/21/2002
6210636	Cu-Ni-Zn-Pd alloys A family of copper-nickel-zinc-palladium alloys for sliding and static electrical contact applications comprises, on a weight percent basis, about 15-65 percent copper, up to about 30 percent nickel, about 5-30 percent zinc, about 5-45 percent palladium, ...	04/03/2001
6093499	Copper alloy foils Copper alloy foils are provided having far greater strength and heat resistance than conventional copper foils, and having better productivity, are characterized by a composition comprising, all by weight, from 0.01 to 0.4% Cr, from 0.01 to 0.25% Zr, from...	07/25/2000
5658401	Copper-zinc alloy A copper-zinc alloy for semi-finished products and articles which are highly loaded and subjected to extreme wear especially synchronizing rings. The alloy possesses a composition of 40 to 65% Cu, 8 to 25% Ni, 2.5 to 5% Si, 0 to 3% Al, 0 to 3% Fe, 0 to 2%...	08/19/1997
5637160	Corrosion-resistant bismuth brass There is provided a machinable ଱+ଲ brass containing bismuth and phosphorous. By maintaining the phosphorous content within a critical range, the alloy exhibits good elevated temperature tensile elongation in the temperature range of 100° C.-3...	06/10/1997
5487867	Copper-bismuth casting alloys A copper based casting alloy in which lead is replaced by 0.1 to 7 wt % bismuth and 0.1 to 2 wt % mischmetal or its rare earth equivalent is used to improve the distribution of bismuth in the alloy. The alloy is further defined by additions of tin, zinc, ...	01/30/1996
5288683	Wear-resistant copper alloys and synchronizer rings for automobiles comprising the same A wear-resistant copper alloy which consists essentially of 56 to 65 wt. % of Cu, 28 to 32 wt. % of Zn, 3.5 to 5.5 wt. % of Al, 0.5 to 2.0 wt. % of Fe, 1.0 to 3.0 wt. % of Ni, 0.1 to 1.0 wt. % of Nb, and 0.4 to 1.5 wt. % of Ti, provided that Ti+Nb is equa...	02/22/1994
5268043	Magnetic sensor wire There is provided a magnetic device having first and second portions with different magnetic coercivities. A magnetic field is induced in both the first and second portion. When exposed to a sufficiently high external magnetic field, the polarity of the f...	12/07/1993
5262124	Alloy suited for use in water service and having improved machinability and forming properties An alloy suited for use in water service, having less tendency for lead to dissolve in water, free cutting property and freedom from gravity segregation in casting and cracks caused by forming is provided. The alloy according to the invention comprises ab...	11/16/1993
5085712	Iron/copper/chromium alloy material for high-strength lead frame or pin grid array An iron/copper/chromium alloy material for a high-strength lead frame or pin grid array, which comprises 20 to 90% by weight of Cu and 2.5 to 12% by weight of Cr, with the balance being mainly iron, and which has an average grain size number of at least 1...	02/04/1992
5028391	Copper-nickel-silicon-chromium alloy A copper-nickel-silicon-chromium alloy having the combination of high hardness and high electrical conductivity. The alloy is composed by weight of 9.5% to 11.5% nickel, in an amount sufficient to provide a nickel-silicon ratio of 3.4 to 4.5, 0.5% to 2.0%...	07/02/1991
5004581	Dispersion strengthened copper-base alloy for overlay A dispersion strengthened Cu (copper)-base alloy for a wear-resistant overlay formed on a metal substrate consists essentially of, by weight %, Ni: 5 to 30%; B: 0.5 to 3%; Si: 1 to 5%; Fe: 4 to 30%; Sn: 3 to 15% and/or An: 3 to 30%; and the remainder being Cu and u...	04/02/1991
4954187	Precipitates copper-zinc alloy with nickel silicide Utilization of a copper-zinc alloy for semifinished materials and semi-manufactured articles; especially synchronizing rings. The copper-zinc alloy is essentially constituted of 50 to 65% copper, 1 to 6% aluminum, 0.5 to 5% silicon, 5 to 8% nickel, as wel...	09/04/1990
4871399	Copper alloy for use as wiring harness terminal material and process for producing the same A copper alloy obtained by preparing a blank of an alloy that consists of 1.0-3.0% Ni, 0.5-1.5% Ti (the ratio of Ni/Ti in weight percent being in the range of 1-3), 0.1-2.0% Zn, 0.01-0.5% Mg, no more than 50 ppm of oxygen, and the balance being Cu and inc...	10/03/1989
4869758	Iron/copper/chromium alloy material for high-strength lead frame or pin grid array An iron/copper/chromium alloy material for a high-strength lead frame or pin grid array, which comprises 20 to 90% by weight of Cu and 2.5 to 12% by weight of Cr, with the balance being mainly iron, and which has an average grain size number of at least 1...	09/26/1989
4743427	High potent and high electroconductive copper alloy suitable for fin material of heat-exchanger A high electroconductive copper alloy is disclosed which contains 0.003 to 1.0 wt % of Zn, 0.005 to 0.1 wt % of Mg and the remainder of Cu. Not more than 0.1 wt % of the total amount of either one or more of Cr, Mn, Fe, Co, Ni, Y, Sn, Si and Zr may be con...	05/10/1988
4696704	Material for lead frames An excellent material for lead frames is provided which is economical and easily punched out to produce lead frames without bending or breakage, and has both superior tensile strength and high electrical conductivity, as well as splendid heat dissipation ...	09/29/1987
4640723	Lead frame and method for manufacturing the same A lead frame consists of a copper alloy containing 0.1 to 1% by weight of chromium and 0.001 to 0.5% by weight of zirconium and having a precipitate with a grain size of 0.5 to 50 μm distributed therein at a rate of 1,000 to 10,000 grains/mm2....	02/03/1987
4437911	Beta alloys with improved properties An aluminum bearing beta copper alloy that on heating to a first temperature shows a transition from an (alpha+beta)-region, an (alpha+beta+gamma)-region or a (beta+gamma)-region to a beta-region. Its average grain size is less than 200 μm and it contains alu...	03/20/1984
4434016	Precipitation hardenable copper alloy and process An improved copper base alloy for use in electrical springs and a process of treating the alloy provide improved resistance to stress relaxation when the alloy is in a solution treated and aged condition having a discontinuous precipitate. The alloy consi...	02/28/1984
4398969	Shape-memory alloy based on copper, zinc and aluminum and process for preparing it A fine-grained shape-memory alloy of the Cu/Zn/Al type, prepared by powder metallurgy, exhibiting the beta-high temperature phase, having dispersed in the matrix dispersoids in the form of Y2 O3 and or TiO2 particles which...	08/16/1983
4288257	Brass material and a process for the preparation thereof A brass material and a process for the preparation thereof, which comprises an alloy of 61 to 65% by weight of copper with the remainder being zinc; the material evidencing a structure in which the recrystallized phases ଱ and 댡 are...	09/08/1981
4238249	Process for the preparation of a copper-zinc material A process for the preparation of a copper-zinc material consists of setting out with an alloy having a theoretical copper content of 61 to 65%, preferably 62% by weight, with the remainder being zinc and common impurities. This alloy is initially cast and...	12/09/1980
4226621	Brass material and a process for the preparation thereof A brass material and a process for the preparation thereof, which comprises an alloy of 61 to 65% by weight of copper with the remainder being zinc; the material evidencing a structure in which the recrystallized phases ଱ and 댡 are...	10/07/1980
4073667	Processing for improved stress relaxation resistance in copper alloys exhibiting spinodal decomposition A process for providing copper base alloys with a combination of high strength and high strength to ductility characteristics is disclosed. The alloys should be those copper alloys which exhibit continuous, homogeneous precipitation of coherent particles ...	02/14/1978
4052204	Quaternary spinodal copper alloys Copper alloys are disclosed which contain nickel and tin and Fe, Zn, Mn, Zr, Nb, Cr, Al, or Mg in amounts within specified limits. When cold worked and aged according to a critical schedule these alloys develop a predominantly spinodal structure which ren...	10/04/1977
4016010	Preparation of high strength copper base alloy Spinodal, precipitation hardened copper base alloy is prepared having high strength and favorable strength to ductility characteristics. The alloy consists essentially of from 10 to 30% nickel, 1 to 5% aluminum and the balance essentially copper. The micr...	04/05/1977
3985589	Processing copper base alloys Processing copper base alloys to improve the stress corrosion resistance thereof. Copper base alloys containing from 12.5 to 30% nickel and 12.5 to 30% manganese are subjected to a duplex aging treatment in order to improve the stress corrosion resistance...	10/12/1976
3972712	Copper base alloys Copper-base alloys are disclosed which are characterized by unusually low melting points combined with good tensile strength and ductility in the as-cast condition, excellent founding characteristics, high hardness and strength in the as-cast plus heat tr...	08/03/1976

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Class 148/413 - Zinc containing