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| Number | Title | Issue Date |
| 7572345 | Life extension of chromium coatings and chromium alloys Substrates comprising a surface comprising chromium, said surface being adapted to exhibit reduced coefficient of friction and/or increased hardness. ... | 08/11/2009 |
| 7459032 | Pressurizing forming process and pressurized-and-formed member A pressurizing forming process includes the steps of applying a higher fatty acid-based lubricant on a surface of a metallic workpiece and/or a forming surface of a forming tool, and forming, wherein a lubricating film including metallic soap is formed on a pressuri... | 12/02/2008 |
| 7347077 | Method of manufacturing outer ring member for constant velocity joint A method of manufacturing an outer ring member for a constant velocity joint, comprising the steps of forming a secondary molding by applying a preliminary upsetting to a work after applying a forward extrusion-molding to the work, forming intermediate pre-molded bo... | 03/25/2008 |
| 7348493 | Metal-ceramic circuit board A metal-ceramic circuit board is characterized by being constituted by bonding directly on a base plate of aluminum or aluminum alloy at least one of ceramic substrate boards having a conductive metal member of an electronic circuit. The base plate has a proof stres... | 03/25/2008 |
| 7204112 | Method of lubricating a workpiece for hydroforming An apparatus and method of applying a lubricating material to an outer surface of a workpiece. Initially, a workpiece is provided that is preferably formed from a closed channel structural member having a circular or box-shaped cross sectional shape. Lubricating mat... | 04/17/2007 |
| 7169504 | Alkaline cell with performance enhancing additives A sulfonic acid type organic surfactant is incorporated into the gelled anode mixture of an alkaline electrochemical cell, optionally with an organic phosphate ester surfactant. Zinc fines may also be incorporated into the anode. The electrolyte included in the anod... | 01/30/2007 |
| 7090729 | Outer ring member for constant velocity joint and method of manufacturing the member An outer ring member for a constant velocity joint is manufactured. An intermediate preformed product having a cup section with an incomplete shape is formed by pressing a large diameter section without applying a low temperature annealing treatment and a lubricatin... | 08/15/2006 |
| 7037384 | Lubricating chemical coating for metalworking A composition for treating the surface of a ferrous metal. The composition comprises aluminum sulfate, boric acid or a boric acid precursor, and polycarboxylic acid or salt thereof. Treatment of the ferrous metal with an aqueous solution of the composition at elevat... | 05/02/2006 |
| 6954327 | Methods and apparatus for thermally bonding lubricant to a disk surface with use of a heat source in a magnetic head A method of thermally bonding lubricant over a surface of a magnetic disk in a disk drive involves providing a heat source at an air bearing surface (ABS) of a magnetic head; causing the heat source to be energized to produce heat; and causing the magnetic head to b... | 10/11/2005 |
| 6929705 | Antimicrobial coated metal sheet The present invention relates to metallic sheets having an improved antimicrobial property and also related to a method of manufacturing such sheets. More particularly, it relates to the continuous coating on metallic sheets with a resin composition containing antim... | 08/16/2005 |
| 6902766 | Two-part aqueous metal protection treatment A two-part metal protection composition includes: an aqueous metal treatment conversion coating component that includes an admixture of an acid and a coating forming component; and an aqueous protective coating component that is applied over metal treated with the a... | 06/07/2005 |
| 6899770 | Composition and process for treating metal surfaces A metal substrate is provided with a coating that (i) provides substantial corrosion resistance, (ii) makes it possible to shape the substrate by roll forming and similar light cold forming operations without the need for any oil or wax lubricant, and (iii) has good... | 05/31/2005 |
| 6890665 | Martensitic stainless steel and method for manufacturing the same Martensitic stainless steel whose steel composition is restricted within a specific range for each element is provided. The scale layer formed on the surface of the base material consists of an inner layer scale mainly including FeCr2O4 and an ... | 05/10/2005 |
| 6834667 | Adjustment pipe for fuel injection valve, and press-fitting structure and press-fitting method for the same In a fuel injection valve, an adjustment pipe made of stainless steel and for adjusting a compression amount of a spring biasing a valve member is press-fitted into a cylindrical housing made of stainless steel, and a fuel injection amount is adjusted by adjusting a... | 12/28/2004 |
| 6815401 | Oil composition for heat treatment of a gear and gear treated by using the oil composition An oil composition for heat treatment of a gear which comprises mineral oil having a kinematic viscosity of 5 to 40 mm2/second at 100° C. as a base oil and, based on a total amount of the composition, 0.01 to 5% by weight of (a) a phosphoric acid ester c... | 11/09/2004 |
| 6753095 | Zinc-based metal plated steel sheet treated with phosphate being excellent in formability and method for production thereof The aim of the present invention is to provide a phosphate treated zinc coated steel sheet with excellent workability. A steel sheet coated with a zinc based alloy has a phosphate treated coating on the surface thereof. The phosphate treated coating comprises mainly... | 06/22/2004 |
| 6723177 | Life extension of chromium coating and chromium alloys A process for treating a chromium coating and/or the surface of a chromium alloy to increase hardness, and/or to decrease coefficient of friction; chromium alloys and/or chromium coatings with surfaces having increased hardness and/or decreased coefficient of fricti... | 04/20/2004 |
| 6695931 | Composition and method for metal coloring process This invention is a method for forming a chemical conversion coating on ferrous metal substrates, the chemical solutions used in the coating and the articles coated thereby. By modifying and combining the features of two existing, but heretofore unrelated... | 02/24/2004 |
| 6673164 | Method of minimizing environmental effect in aluminides A method of cold fabricating an intermetallic alloy composition, comprising steps of coating an article of an intermetallic alloy composition with a viscous medium which provides a moisture resistant barrier on the surface of the article, fabricating the ... | 01/06/2004 |
| 6547544 | Hermetic compressor and open compressor The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester ... | 04/15/2003 |
| 6528182 | Zinc coated steel plates coated with a pre-lubricating hydroxysulphate layer and methods for obtaining same The invention concerns a steel plate coated with a metal layer based on zinc and a zinc hydroxysulphate layer, whereof the surface density of sulphur is more than 0.5 mg/m2. The invention also concerns a method for obtaining said plate by treat... | 03/04/2003 |
| 6527873 | Composition and method for metal coloring process This invention is a method for forming a chemical conversion coating on ferrous metal substrates, the chemical solutions used in the coating and the articles coated thereby. By modifying and combining the features of two existing, but heretofore unrelated... | 03/04/2003 |
| 6455476 | Composition and process for lubricated plastic working of metals A lubricant composition for the plastic working of metals that does not require a phosphate undercoating, is waterborne, requires only a simple application process of immersion or spraying followed by drying, and provides an excellent lubricating performa... | 09/24/2002 |
| 6316057 | Method for coating a surface Metal surfaces, metal-oxide surfaces, metal-salt surfaces, silicon-comprising surfaces and/or high-molecular-weight aquoxide-comprising organic surfaces are coated. The coating is carried out with a reagent having a reactive group chosen from Si--H, Sn--H... | 11/13/2001 |
| 6231687 | Lubrication treatment method for cold working of steel A phosphating solution that contains from 3 to 30 g/l of zinc ions, from 0.1 to 20 g/l of ferrous ions, from 5 to 60 g/l of phosphate ions, from 5 to 60 g/l of nitrate ions, and a source of hydroxylamine in a concentration corresponding stoichiometrically... | 05/15/2001 |
| 6231686 | Formability of metal having a zinc layer A method of treating a metal object having an outer layer including zinc includes applying to the object a treating material in the form of an alkaline solution or a gas. The treating material reacts to form a reaction layer on the outer layer. The reacti... | 05/15/2001 |
| 6110297 | Aluminum alloy sheet with excellent formability and method for manufacture thereof The invention provides an aluminum alloy sheet that has excellent formability, high coat-baking hardenability, excellent corrosion resistance, and is particularly suitable for external automobile body plates. The aluminum alloy sheet comprises: 0.9 to 1.3... | 08/29/2000 |
| 5944923 | Aluminum alloy sheet with excellent formability and method for manufacture thereof The invention provides an aluminum alloy sheet that has excellent formability, high coat-baking hardenability, and ensures a proof stress of 200 MPa or more after the coat-baking stage, and that gives favorable product surface quality after the forming st... | 08/31/1999 |
| 5935348 | Composition and process for preventing corrosion and reducing friction on metallic surfaces Aqueous acid treatment solution for the treatment of beverage cans, in particular of aluminum, for producing a corrosion-protective, friction-reducing coating which improves the ability to be enameled, which comprises 0.14 to 2.25 mmol/l of an alkylamine ... | 08/10/1999 |
| 5911809 | Cobalt-tin alloy coating on aluminum by chemical conversion A swash plate type compressor having a cylinder block with cylinder bores disposed parallel to the axis of the cylinder block. A rotary shaft rotatably mounted within the cylinder block carries an aluminum swash plate. The swash plate is fixed in the rota... | 06/15/1999 |
| 5891268 | High coating weight iron phosphating, compositions therefor, and use of the coating formed as a lubricant carrier Iron phosphate conversion coatings that are well adapted to serve as carriers for metal cold working lubricants, particularly such lubricants that contain polyoxyethylene adducts of long chain primary alcohols as a major lubricating component, can be form... | 04/06/1999 |
| 5795661 | Zinc coated steel sheet and strip having improved formability and surface quality and method thereof A method for improving the formability of zinc coated steel sheet, and the product produced therefrom. The steps of the method include applying to the zinc coating an oxalic acid solution in an amount that will form a zinc oxalate film having a coating we... | 08/18/1998 |
| 5714016 | Gear for wheel speed detection and method of manufacturing the same A gear for wheel speed detection or sensor ring has a low cost and an excellent corrosion resistance. The sensor ring is mainly made of sintered stainless steel. A surface layer of the sensor ring contains at least 5 atomic % and not more than 25 atomic %... | 02/03/1998 |
| 5685922 | Chemical conversion method and surface treatment and method for metal can Quaternary ammonium salt having at least one alkyl group of 10 to 20 in carbon number is added to a chemical conversion solution to be at least 20 ppm in concentration, and a chemical conversion coating is formed on a surface of a metal can with this chem... | 11/11/1997 |
| 5634986 | Process for reducing metal exposures of siccative organic coatings A process is described for reducing the metal exposure rating of metal surfaces which subsequently are coated with a siccative coating which comprises contacting said metal surface with an aqueous composition comprising a polyethylene selected from the gr... | 06/03/1997 |
| 5603235 | Forging process for titanium alloys The present invention provides with a water glass layer which prevents oxidation and increases fatigue strength of the alloy. The surface treatment process for preparing the titanium alloy comprises the steps of washing the titanium alloy by alkali cleani... | 02/18/1997 |
| 5603818 | Treatment of metal parts to provide rust-inhibiting coatings The invention describes a method of producing an adherent and corrosion-inhibiting multi-layer coating on metal parts comprising the steps of (A) phosphating the metal parts with an aqueous metal phosphating solution; (B) electrophoretically depositing a film ... | 02/18/1997 |
| 5591275 | Composition and process for surface treating metal prior to cold working A bath for treating metal surfaces for the formation thereon of composite films for the cold working of metal advantageously comprises an otherwise conventional conversion coating bath that also contains organic cationic polymer having at least 1 cationic... | 01/07/1997 |
| 5584944 | Aqueous lubricant and surface conditioner for formed metal surfaces A lubricant and surface conditioner for formed metal surfaces, particularly aluminum and tin beverage containers, reduces the coefficient of static friction of said metal surfaces and enables drying said metal surfaces at a lower temperature. The conditio... | 12/17/1996 |
| 5584945 | Lubricant carrier salt for metal forming Disclosed is a lubricant carrier salt for facilitating the cold forming of a workpiece of iron or steel, based on boric acid and/or alkali borate. The salt has an additional content of aliphatic di- or tricarboxylic acid, which either is unsubstituted or ... | 12/17/1996 |
