U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 427/320 - Aluminum coating


Subclass of Class 427 - Coating processes
Definition: Processes wherein the coating contains aluminum in elemental
No. of patents: 64
Last issue date: 01/18/2005


1    
NumberTitleIssue Date
6844086Nickel-base superalloy article substrate having aluminide coating thereon, and its fabrication
A coated superalloy article is prepared by furnishing a nickel-base superalloy article substrate having a rhenium content of not less than about 4.0 percent by weight, and thereafter depositing an aluminum-containing coating onto a surface of the article substrate. ...
01/18/2005
6689489Composition for controlling spangle size, a coated steel product, and a coating method
A method of coating of steel products such as plate and sheet using an aluminum-zinc coating alloy includes modifying the coating bath with a particulate compound constituent in effective amounts to control the spangle facet size of the coated product, im...
02/10/2004
6506453Deposition method, deposition apparatus, and pressure-reduction drying apparatus
Using a scan coating method, a liquid film is formed on a substrate having a temperature distribution for correcting a temperature distribution of a liquid film caused by the heat of evaporation due to the volatilization of a solvent contained in the liqu...
01/14/2003
6485780Method for applying coatings on substrates
A method for forming a metal-containing layer on a substrate is disclosed. A slurry of the metal is first deposited on the substrate; followed by heating to remove volatile material from the slurry, and to form a layer of the metal. In another embodiment,...
11/26/2002
6468674Coating composition for steel--product, a coated steel product, and a steel product coating method
A method of coating of steel products such as plate and sheet using an aluminum-zinc coating alloy includes modifying the coating bath with a particulate compound constituent in effective amounts to decrease the spangle facet size of the coated product, i...
10/22/2002
6372296High aluminum galvanized steel
The present invention relates to galvanized steel having a high aluminum content in the coating, as well as a batch hot-dip galvanization process for making such steel. The galvanized steel herein has a coating comprising an inner layer of intermetallic i...
04/16/2002
6344242Sol-gel catalyst for electroless plating
A sol-gel catalyst composition for electroless plating includes a metal alkoxide in a polar organic solvent, an acid, a chloride salt or acid chloride, and a catalytic metallic salt. The sol-gel catalyst adheres to smooth surfaces without the precondition...
02/05/2002
6299947Method of forming a magnetic hard disk with elliptical shaped laser bumps
A method in accordance with our invention for providing texture bumps on a substrate comprises the step of forming elliptical ridge-shaped bumps on the substrate. In one embodiment, substrate is used in the manufacture of a magnetic disk used in a disk dr...
10/09/2001
6284122Production of a zinc-aluminum alloy coating by immersion into molten metal baths
A process for non-continuous galvanization of a metal object with a Zn--Al alloy including the steps of pre-coating the object with a metallic layer of sufficient thickness to protect the object from oxidation and yet sufficiently thin to permit the pre-c...
09/04/2001
6270842Method of galvanizing with molten zinc-aluminum alloy
A steel material subjected to preliminary treatments to remove an oxide film on the surface is immersed in a molten flux bath in an independent vessel and thereafter immersed in a molten zinc-aluminum alloy bath in a separate vessel to be galvanized with ...
08/07/2001
6093452Continuous hot-dip coating method and apparatus therefor
A method for hot-dip coating a steel strip comprises: (a) continuously annealing the steel strip in an annealing furnace; (b) introducing the annealed steel strip into a molten metal coating bath through a snout; (c) dipping the annealed steel strip into ...
07/25/2000
5891523Method for manufacturing metallized heat treated precision articles
The invention provides a method for the metallizing of precision machine parts coupled with heat-treatment and machining to insure the minimal handling the remachining generally required due to dimensional distortion resulting from the standard heat-treat...
04/06/1999
5858557Nickel/gold plating of a copper-refractory metal material
A copper-tungsten or copper-molybdenum substrate is plated with a nickel/gold plating by first activating a surface of the substrate. In activating, the surface is contacted to a concentrated alkaline solution at elevated temperature, and then to a concen...
01/12/1999
5662969Hot coating by induction levitation
A coating apparatus and method for applying a coating to a workpiece, comprising: a vessel to contain molten metal; an induction coil disposed about said vessel; and, temperature regulation means; wherein, in use, said induction coil induces a magnetic field within...
09/02/1997
5616362Process and apparatus for the coating of metal
A process for coating metal substrates including cleaning, degreasing and activating the substrate wherein a strongly adhering bonding agent layer is deposited on the substrate. The bonding agent layer comprises a thickness of aluminum. The bonding agent ...
04/01/1997
5580835Ceramic fibers produced by electrophoretic deposition of particles
Ceramic fibers may be produced by the electrophoretic deposition of metal oxide upon a conductive fiber core, which core may be subsequently removed....
12/03/1996
5518769Process for manufacturing galvannealed steel sheet having excellent anti-powdering property
It is an object to provide a process for manufacturing galvannealed steel sheets exhibiting excellent anti-powdering property when press formed, and uniform frictional properties in a coil. A steel strip is galvanized in a bath having a low aluminum conte...
05/21/1996
5506017Method for texturing magnetic media
This patent teaches a new method of roughening the surface of a magnetic recording medium in order to reduce the stiction and friction between a recording head and the medium to thereby improve mechanical reliability. During this method, the medium substr...
04/09/1996
5447754Aluminized steel alloys containing chromium and method for producing same
Steel alloys containing chromium may be hot dip aluminized in a bath having up to 15% silicon with improved wettability by using a bright preannealing practice in a box furnace having a substantially pure hydrogen atmosphere. The surfaces of the preanneal...
09/05/1995
5358744Process for coating a ferritic stainless steel strip with aluminum by hot quenching
A process for coating a steel strip, particularly ferritic stainless steel, with aluminum by hot quenching, in which the strip is preheated to a temperature less than 500° C. in a first non-oxidizing atmosphere containing a quantity of oxygen less than 3...
10/25/1994
5339329Induction heated meniscus coating vessel
A shallow vessel (50,52) for being horizontally disposed when containing a molten metal or metal alloy (66) for meniscus coating one side of a clean metal strip (34A) when the strip is moved vertically past one side of the vessel. The vessel includes a sh...
08/16/1994
5175026Method for hot-dip coating chromium-bearing steel
A method of pretreating and hot-dip coating aluminum or aluminum alloys on a chromium-containing steel strip to provide an improved coating comprising annealing final gauge steel strip in an oxygen excess atmosphere to produce a chromium-rich oxide on the...
12/29/1992
5116645Hot dip aluminum coated chromium alloy steel
Continuous hot dip aluminum coated ferritic chromium alloy steel strip. Strip is cleaned by heating to a temperature no greater than about 650° C. in a direct fired furnace. The cleaned strip is further heated in a protective atmosphere containing at lea...
05/26/1992
5023113Hot dip aluminum coated chromium alloy steel
Continuous hot dip aluminum coated ferritic chromium alloy steel strip. Strip is cleaned by heating to a temperature no greater than about 650° C. in a direct fired furnace. The cleaned strip is further heated in a protective atmosphere containing at lea...
06/11/1991
5019186Process for producing chromium-containing steel sheet hot-dip plated with aluminum
A method of producing a chromium-containing steel sheet hot-dip plated with aluminum. A steel sheet containing not less than about 3 wt % of chromium is pre-plated at each side thereof with an iron-phosphor alloy so that a pre-plating layer of the iron-ph...
05/28/1991
4908226Selective area nucleation and growth method for metal chemical vapor deposition using focused ion beams
A method for depositing metallic lines on an IC chip or mask is described using a focused ion beam (FIB) with a much lower ion dosage than previously required, on the order of 1014 -1015 ions/cm2. A substrate is scanned wi...
03/13/1990
4883723Hot dip aluminum coated chromium alloy steel
Continuously hot dip aluminum coated ferritic chromium alloy steel strip. After the steel has been given a pretreatment to remove surface contaminants, the steel is protected in a hydrogen atmosphere until it is passed into the molten aluminum coating met...
11/28/1989
4865876Process for selectively forming at least one metal or alloy coating strip on a substrate of another metal and integrated circuit lead frame achieved by this process
The metal substrate (4) is coated with a coating (6) of another metal of alloy of 4-50 μm thickness by deposition of a molten metal or alloy (5) through a nozzle (2), the melting temperature of this metal or alloy being lower than that of the substrate m...
09/12/1989
4755265Processes for the deposition or removal of metals
Methods for depositing metals on or removing metals from substrates are provided which involve the use of electrolytic cells comprising an anode and cathode, sulfuric acid, and a chalcogen-containing compound soluble in said bath and having the empirical ...
07/05/1988
4675214Hot dip aluminum coated chromium alloy steel
Continuously hot dip aluminum coated ferritic chromium alloy steel strip. After the steel has been given a pretreatment to remove surface contaminants, the steel is protected in a hydrogen atmosphere until it is passed into the molten aluminum coating met...
06/23/1987
4657787Flow coating of metals
Aluminum is flow-coated onto ferrous strip by reducing the hot strip in hydrogen, cooling it to 650°-680° C. in nitrogen and spraying molten aluminum on it such that the aluminum splats flow into each other but solidify in 0.2-0.5 seconds. The aluminum ...
04/14/1987
4595600Metal cladding of wire by atomization spraying
A method and apparatus for uniformly cladding a metal wire with a coating of a second metal is provided. The metal wire to be coated is preheated in a non-oxidizing atmosphere to a temperature slightly less than the melting point of the metal coating. The...
06/17/1986
4584211Continuous hot dip aluminum coating method
A continuous hot dip aluminum coating method used in a continuous hot dip aluminum coating line for hot dip aluminum coating on steel in Sendzimir method or nonoxidizing furnace method, said method comprising the covering the surface of the coating bath i...
04/22/1986
4530858Process and installation for continuous manufacturing of an old (over-aged) steel band having a coating of ZN, Al or ZN-Al alloy
The present invention relates to a continuous coating process by a layer of Zn, Al or of a Zn-Al alloy for a cold laminated steel band comprising a heating thermic cycle, followed by a rapid cooling, a tempered coating in the metal bath of coating in fusi...
07/23/1985
4478892Method of and apparatus for hot dip coating of steel strip
An improved method of and apparatus for hot dip metal coating of steel strip in which the strip is heated and cleaned in a furnace then passed through a protective hood containing a reducing gas and into the molten coating metal bath. Coating metal oxides...
10/23/1984
4477291Metal-coating a metallic substrate
Aluminium is coated on steel strip. The steel strip is heated in hydrogen to reduce surface oxides to iron, and is then sprayed at 400° C. with nitrogen-atomized molten aluminium to a depth of 150 microns. Still in nitrogen/hydrogen, at 350° C., the coa...
10/16/1984
4467016Aluminized chromized steel
Low alloy steel tubing is decarburized, chromized and then aluminized with or without masking at the sites at which the tubing is to be welded in place, to greatly increase resistance of the tubing to high temperature oxidation and sulfidation. Low surfac...
08/21/1984
4438155Fabrication of composite metal wire
A method of fabricating composite metal wires such as aluminium clad steel wires is disclosed which comprises providing a core of hard metal with a cladding of soft metal by extrusion. In fabricating a composite metal wire by extrusion, a core is generall...
03/20/1984
4433012Process for the pyrolytic deposition of aluminum from TIBA
A method for the deposition of aluminum on a solid body of pyrolysis of tri-isobutyl aluminum vapor diluted with an inert carrier gas....
02/21/1984
4431688Process and installation for the high-velocity dip-coating of filament like materials
In a case where filament-like articles (e.g. wires) are dip-coated by upwardly passing the article into a bath of molten metal through the bottom and top vertical openings of a spout containing the molten metal, the article to be coated is wrapped, before...
02/14/1984
1    
 
Sign InRegister
Username  
Password   
forgot password?