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7459032 |
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...
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7090729 |
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 anneali...
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7037384 |
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...
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6899770 |
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 ...
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6890665 |
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 FeCr 2 O...
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6834667 |
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 amou...
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6815401 |
An oil composition for heat treatment of a gear which comprises mineral oil having a kinematic viscosity of 5 to 40 mm 2 /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 pho...
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6753095 |
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 tre...
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6723177 |
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 de...
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6695931 |
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 he...
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6673164 |
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...
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6547544 |
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 ...
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6528182 |
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/m 2 . The invention also concerns a method for obtaining said plate...
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6527873 |
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 he...
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6455476 |
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 lu...
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6316057 |
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...
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6231687 |
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 ...
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6231686 |
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...
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6110297 |
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 com...
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5944923 |
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 af...
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5935348 |
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...
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5911809 |
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...
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5891268 |
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 comp...
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5795661 |
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 h...
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5714016 |
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 mor...
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5685922 |
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 ...
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5634986 |
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 se...
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5603818 |
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) electroph...
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5603235 |
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 allo...
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5591275 |
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 a...
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5584945 |
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...
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5584944 |
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 tempera...
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5584943 |
A lubricant and surface conditioner for formed metal surfaces, particularly beverage containers, reduces the coefficient of static friction of said metal surfaces and enables drying said metal surfaces at a lower temperature. An aqueous ...
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5540788 |
The present invention provides for forming an iron-phosphate conversion surface, or an iron-phosphate bi-metallic surface on metals, in situ, in internal combustion engines, pumps, hydraulic systems, compressors and other mechanical equi...
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5486414 |
Article of manufacture and method of making the same in which a metal substrate has an undercoating is made from a combination of at least one pulverulent metal and a transition metal compound and a coating thereon containing an autodepo...
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5486316 |
The coefficient of friction of aluminum can surfaces after alkaline cleaning and drying can be substantially reduced by adding to the alkaline cleaner a mobility enhancing additive, preferably a surface active quaternary ammonium salt wi...
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5458698 |
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 tempera...
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5415701 |
In a process for facilitating non-cutting cold working of ferrous materials by application of a phosphate coating, ferrous materials are dipped into a phosphating solution which is free of elements of group VIB of the periodic table whic...
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5389162 |
The present invention provides a surface-treating agent for a metal can, which has an effect of elevating smoothness of the metal can, shows a low foaming property and high thermal stability, but not uneasiness at safety, and thereby con...
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5385655 |
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) electroph...
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5378291 |
A coating composition for metallic surfaces contains: (1) Cr 6 +, or Cr 6 + and Cr 3 +, (2) 1-50% of lubricant(s) dispersed by a nonionic emulsifying agent, (3) acryl-series polymer emulsion, which is obtained by emulsion-polyme...
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5236519 |
There are disclosed a method for lubricating treatment of an aluminum surface comprising subjecting the surface of aluminum or aluminum alloy to chemical zinc deposition plating, then to a treatment with a phosphating solution and furthe...
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5234509 |
In the practice of the instant invention, a lubricating phosphate coating is applied to the surface of a ferrous-base metal article by contacting the surface with an aqueous acidic phosphate coating solution which contains an amount of h...
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5189720 |
A method for manufacturing a steel wire material for reinforcing an optical fiber is proposed. In this method, a steel wire is firstly subjected to a chemical conversion treatment. The wire is then drawn with a reduction of area of 30% o...
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5139586 |
An aqueous, acidic composition for application to aluminum and aluminum alloy surfaces comprising a source of zirconium ions, a source of fluoride ions, a source of phosphate ions, a phosphate acid ester, a polyethylene glycol ester of a...
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5073213 |
In order to ensure in sliding surface bearings a uniform distribution of the load over the bearing metal layer, a phosphate layer serving as a sliding layer has been applied to the bearing metal layer. In order to ensure a high resistant...
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4983229 |
In the practice of the instant invention, a lubricating phosphate coating is applied to the surface of a ferrous-base metal article by contacting the surface with an aqueous acidic phosphate coating solution which contains an amount of h...
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4944813 |
The present invention relates to a process for phosphating metal surfaces, and more specifically of surfaces of iron, zinc, and aluminum and the alloys thereof as a pretreatment for cold working wherein the surfaces without previous acti...
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4891268 |
A coated metal substrate protected against corrosion with a lubricious coating which, exclusive of lubricant, is resin-free and phosphate-free, which coating contains hexavalent-chromium, particulate metal and a lubricant.
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4517029 |
Iron and steel articles to be subjected to a cold forming operation are treated with a phosphatizing solution to form a zinc phosphate film on the surface, which film contains from about 5 to 80% by weight of the total film of zinc calci...
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