Class 148/441 - Zinc base

Subclass of Class 148 - Metal treatment
Definition: Stock material which contains over 50 percent of zinc by
No. of patents: 34
Last issue date: 11/23/2010

Number	Title	Issue Date
7837809	Materials for the production of ecological ammunition and other applications The present invention provides an ODS type material (Oxide dispersion strengthened or particle dispersion) which comprises an alloy metal matrix and a dispersion of strengthening particles distributed therein which provide the same with optimum density and deformabi...	11/23/2010
7425765	Zinc-aluminum solder alloy A high melting point solder alloy superior in oxidation resistance, in particular a solder alloy provided with both a high oxidation resistance and high melting point suitable for filling fine through holes of tens of microns in diameter and high aspect ratios and f...	09/16/2008
6923935	Hypoeutectic aluminum-silicon alloy having reduced microporosity A hypoeutectic aluminum silicon casting alloy having a refined primary silicon particle size and a modified iron morphology. The alloy includes 10 to 11.5% by weight silicon, 0.10 to 0.70% by weight magnesium and also contains 0.05 to 0.07% by weight strontium. On c...	08/02/2005
6863748	Process and alloy for decorative galvanizing of steel A process and an alloy for galvanizing non-reactive steel and mixed or moderately reactive steel for providing a decorative spangle to the galvanized coating. The alloy contains 0.1 to less than 0.8 wt % tin, 0.05 to 0.2 wt % bismuth, 0.001 to 0.008 wt % aluminum, a...	03/08/2005
6740361	Passivating of zinc surfaces A method for coating zinc or zinc plated article with a polymerized molybdate protective coating by coating a cleaned zinc or zinc plated article with a chromium-free polymerized molybdate composition having a pH of about 1.0 to 5.0. A passified zinc or zinc plated ...	05/25/2004
6673309	Sacrificial anode for cathodic protection and alloy therefor An alloy for a sacrificial anode according to a first preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.0005% to about 0.05% of Zr. The balance may be Al and any unavoidable impur...	01/06/2004
6652676	Zinc alloy containing a bismuth-indium intermetallic compound for use in alkaline batteries A zinc alloy for use in zinc-alkaline batteries having improved gassing properties includes a bismuth-indium intermetallic compound in an amount sufficient to improve the gassing properties of the alloy, and with the major part of the alloy being zinc tha...	11/25/2003
6569268	Process and alloy for decorative galvanizing of steel A process and an alloy for galvanizing non-reactive steel and mixed or moderately reactive steel for providing a decorative spangle to the galvanized coating. The alloy contains 0.1 to less than 0.8 wt % tin, 0.05 to 0.2 wt % bismuth, 0.001 to 0.008 wt % ...	05/27/2003
6514308	Activated feedstock An alloy feedstock for semi-solid metal injection molding. The alloy feedstock is an alloy material in particulate form and has a heterogeneous structure, a temperature range at 20% of the height of the peak of the main melting reaction greater than 40° ...	02/04/2003
6372063	Process for manufacturing metallic component and such metallic component The process for manufacturing a metallic component, such as a wheel part for the rolling system of a vehicle, which includes, in an initial stage, forming the component of a metallic material in a semi-solid state and having a thixotropic structure, and i...	04/16/2002
6361833	Composition and process for treating metal surfaces A composition and process for treating metal surfaces that contain at a weight ratio from 1:5,000 to 5,000:1 of at least one metal acetylacetonate selected from the group consisting of Al(C5 H7 O2)3, V(C5	03/26/2002
6187116	Alloy and process for galvanizing steel This disclosure relates to an Sn-containing and/or Bi-containing zinc alloy for hot galvanizing steel, more particularly for component galvanizing. The alloy is composed of 1 to 5% by weight of Sn+Bi, 0 to saturation of Pb, 0.025 to 0.200% by weight of at...	02/13/2001
6139654	Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same Master alloy with 20-80% strontium, preferably 0.01-2.0% of aluminum and/or copper, and the balance essentially zinc plus impurities, and a method for preparing same and a method for modifying the microstructure of nonferrous alloys with said master alloy...	10/31/2000
6074494	Surface nitriding method of an aluminum material, and an auxiliary agent for nitriding This invention aims to provide a nitriding method of forming a relatively thick nitride layer on the surface of an aluminum material containing silicon, and an auxiliary agent for nitriding. By using a nitriding auxiliary agent mainly comprising aluminum ...	06/13/2000
6071359	Shot for use as ammunition Tin and zinc based shot for use as ammunition having a diameter of from 1.5 to 5.5 mm, containing, by weight, in addition to tin and the usual unavoidable contaminants, from 12 to 60% of zinc and from 0 to 5% of aluminum, but less than 0.1% of copper, les...	06/06/2000
6042660	Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same Master alloy with 20-80% strontium, preferably 0.01-2.0% of aluminum and/or copper, and the balance essentially zinc plus impurities, and a method for preparing same and a method for modifying the microstructure of nonferrous alloys with said master alloy...	03/28/2000
5858132	Alloys containing insoluble phases and method of manufacturing thereof The invention provides a new method for casting alloys containing a finely divided phase. A bath of the molten metal having a melting point is provided. A finely divided solid metal having a melting point greater than the melting point of molten metal is ...	01/12/1999
5853920	Method of manufacturing zinc-titanium mother alloy and manganese dry battery The present invention provides a method of manufacturing a zinc-titanium mother alloy and a manganese dry battery having an anode zinc can prepared from the zinc-titanium alloy. The method comprises: adding spongy titanium to molten zinc; and melting the ...	12/29/1998
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
5565168	Zinc-aluminum casting method A zinc-aluminum casting alloy composed of 9 to 12% by weight aluminum, 0.6 to 1% by weight copper, 0.02 to 0.05% by weight magnesium, balance high-grade zinc. In order to improve the tribologocal properties of that material for use in sliding surface bear...	10/15/1996
5509728	Brake system zinc-base alloy components The present invention includes high strength, high temperature and strain rate applications of a zinc-base alloy including about 83 to 94 weight percent zinc, about 4 to about 11 percent copper and about 2 to about 4 percent aluminum. The composition may ...	04/23/1996
5071620	High creep strength zinc alloys A zinc/low aluminum alloy with lithium additions demonstrating improved creep resistance and suitable for hot chamber pressure die casting. The alloy preferably contains from about 0.1-2% Al, 0.07-0.19% Li, the balance zinc. The alloy also may contain Cu,...	12/10/1991
4990310	Creep-resistant die cast zinc alloys A creep-resistant die casting is formed of a zinc-base alloy comprising about 4 to 12 percent copper and about 2 to 4 percent aluminum. The die casting is characterized by an intimate dispersion of fine epsilon and eta phases effective to retard slip and ...	02/05/1991
4865665	Metal alloy with large lattice spacing The invention concerns a metal alloy with large lattice spacings (>than 1 nm), and consisting essentially of, by weight: at least one element selected from a group A consisting of Al, Zn and Cu, total group A elements being 44-92%; at least one element se...	09/12/1989
4731129	Superplastic zinc/aluminum alloy A zinc/aluminum alloy feedstock containing 18-30% by weight Al, 0.003-0.2% by wt. Mg, 0.5-2.5% by wt. Cu, 0.02-0.5% by wt. Fe, 0-0.1% by wt. Si, Zn balance (including any impurities) is capable of achieving high plasticity at temperatures of 240° C. or a...	03/15/1988
4650528	High damping capacity aluminum alloy A high damping capacity alloy comprising of 0.1-95% by weight of Zn and the remainder of Al and, as the case may be, further comprising of 0.1-50% by weight in total of at least one subingredient of Sn, Pb, Sb, Ce, Cu Ta, Ni, Co, Fe, Nb, Zr, Si, Ti, Ca an...	03/17/1987
4304594	Hardening of metals Hardened metals are produced by subjecting molten metals to the action of an electrostatic field of at least 1000 volts during the cooling and solidification of the metal....	12/08/1981
4198232	Preparation of monotectic alloys having a controlled microstructure by directional solidification under dopant-induced interface breakdown Monotectic alloys having aligned spherical particles or rods of the minor component dispersed in a matrix of the major component are prepared by forming a melt containing predetermined amounts of the major and minor components of a chosen monotectic syste...	04/15/1980
4060430	Production of filaments of hexagonal close-packed metals and alloys thereof A process and apparatus is provided whereby filaments of metals may be formed by rapid solidification of a molten jet in a fluid medium. Filaments of metastable alloys such as amorphous metals and filaments of fine grained structure having novel orientati...	11/29/1977
4051887	Process for producing sheets and strip of zinc-copper-titanium alloy Deep-drawable sheets and strip are produced on a continuous casting machine with moving flexible belts and continuous finish-rolling without change of direction from a zinc-copper-titanium rolling alloy which is creep-resistant according to DIN 17 770 and...	10/04/1977
4029525	High strength wrought zinc alloy This invention relates to a method and a stable alloy of zinc, the alloy having tensile strength in excess of 65,000 psi and a mechanical stability greater than 15 percent, the stable alloy being formed by homogenizing an alloy containing from about 20 to...	06/14/1977
3972743	High strength, stable zinc-aluminum alloy This invention relates to a stable zinc-aluminum quaternary alloy having tensile strength well in excess of 50,000 psi and excellent machinability characteristics, the alloy being formed by subjecting the zinc-aluminum alloy containing from about 20 to 28...	08/03/1976
3966505	High strength wrought zinc alloy This invention relates to a method and a stable alloy of zinc, the alloy having tensile strength in excess of 65,000 psi and a mechanical stability greater than 15 percent, the stable alloy being formed by homogenizing an alloy containing from about 20 to...	06/29/1976
3940262	Reinforced foamed metal Foamed metal articles having reinforcing fibers, such as inorganic fibers; for example, fiberglass, refractory fibers, and metal fibers, dispersed in the foamed metal for strength improvement. Processes of manufacturing such fiber reinforced foamed metal ...	02/24/1976

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Class 148/441 - Zinc base