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WO/2009/104692A1 |
A powder for iron-based sintered-alloy valve sheets is provided which is excellent in compactibility and wearing resistance and is free from the precipitation of a carbide which may wear a mating member. A molten steel in which the conte...
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WO/2009/098376A2 |
In a filtration plant, a porous tube (27) is obtained by the tight assembly of sintered tubular segments (28), each having an assembling surface (30) and a connection member (31) arranged between said surfaces and having a web (32) and t...
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WO/2009/088771A2 |
A process for manufacturing connecting rods is provided which comprises the steps of compacting, sintering, and powder forging a powder metal comprising a carbon source and a prealloyed powder consisting essentially of iron and copper. T...
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WO/2009/085002A1 |
The present invention relates to a method of making a cutting insert using powder metallurgical methods including using a press with a main pressing direction the insert having a noncylindrical hole perpendicular to the main pressing dir...
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WO/2009/071532A1 |
The invention relates to a gas turbine that comprises, on the one hand, an impeller (4) provided with blades (30, 31) of the radial type and with at least one synchronising ring (5) and rotatingly mounted on a transmission shaft connecte...
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WO/2009/068494A2 |
The invention relates to a piston for internal combustion machines, having a piston head (10), a piston skirt (14, 14') and piston land (18) form a piston box attaching thereto, and a pin bore (16, 16'), and a method for the production t...
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WO/2009/058336A2 |
A method (100) of fabricating a shrouded impeller (10) is disclosed. The method includes providing an open faced impeller (16), the open faced impeller including a plurality of blades (14) extending at least partially radially from a hub...
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WO/2009/054158A1 |
This invention relates to a negative electrode for a rechargeable battery with a nonaqueous electrolyte, which can prevent fracture. The negative electrode is characterized in that it comprises an active material layer containing active ...
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WO/2009/049397A1 |
A heat pipe having an enclosed chamber with a hot side and a cold side and an inorganic porous structure between the hot side and the cold side. The inorganic porous structure transports working liquid by capillary action from the cold s...
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WO/2009/035010A1 |
A powder compact which gives a sintered bearing having excellent adhesion to a resinous coating layer; a sintered bearing obtained by sintering the powder compact; and processes for producing the compact and the bearing. A raw powder (M)...
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WO/2009/032872A2 |
A system includes telephone and packet-switched network interfaces and a translator. The translator receives messages. Outgoing messages originate from a multiple-function peripheral (MFP) and are received via a transfer agent (TA). Outg...
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WO/2009/025661A1 |
A forged composite gear and a method of making a forged composite powder metal gear. The forged composite gear includes a plurality of teeth extending from a core, a first section having a first powder metal material, a second section ha...
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WO/2009/025659A1 |
A gear and a method of making a forged powder metal gear having a plurality of teeth and a variable case depth profile forged in the plurality of teeth. Each tooth of the plurality of teeth has a first surface and a tooth root. A variabl...
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WO/2009/025660A1 |
A method for obtaining a selectively non-carburized powder metal part. The steps include compacting, sintering, removing, forging and cooling. A metal powder is compacted to form a preform having at least one first surface in which a for...
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WO/2009/024809A1 |
A valve seat is made by compacting a powder mixture, sintering the green compact formed thereby infiltrating same with copper or copper alloy and subjecting the resulting sintered valve seat to a cryogenic treatment followed by a heat or...
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WO/2009/021722A1 |
A connecting link (10) for an interlocking device has a receptacle space (15) for receiving another connecting link (11) of the interlocking device, the receptacle space comprising a contact surface (17) and an opposing surface (16) faci...
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WO/2009/012556A1 |
A method of manufacturing a floating collar engaged on a fuel nozzle for providing a sealing interface between the fuel nozzle and a combustor wall. The method comprises metal injection moulding a radially extending flange portion, an ax...
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WO/2009/011355A1 |
This invention provides a process for producing an electrode for discharge surface treatment, comprising the step of filling an electrode material powder (11) into a mold (7), compressing the electrode material powder (11) to produce a p...
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WO/2009/009723A2 |
The invention provides a method of manufacturing a ferrous monolithic component and the component that results from the method. The method of the invention utilizes selective rapid cooling of the portion of the component that is desired ...
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WO/2008/153227A1 |
The present invention provides a device and a method for manufacturing an end mill, wherein a grinding amount of a blank end mill is small. The device for manufacturing an end mill comprises: upper and lower punches; a die; a means for s...
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WO/2008/150177A1 |
The invention concerns a method of producing various massive blanks of encapsulated pipe connections by pressure moulding metal powder material, such as an encapsulated manifold (1) on a base plate (2). In an open mould of steel plates a...
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WO/2008/140100A1 |
A Pb-free copper alloy sliding material which contains 1.0 to 15.0% of Sn, 0.5 to 15.0% of Bi, and 0.05 to 5.0% of Ag with Ag and Bi in an Ag-Bi eutectic state and which exhibits characteristics equivalent to those of Pb-containing mater...
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WO/2008/139323A2 |
A method for forming an internal gear is provided comprising providing a powder metal preform workpiece, supporting the workpiece about its periphery, and roll forming said workpiece to produce a set of densified gear teeth of a predefin...
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WO/2008/125355A1 |
The invention relates to a method for producing complex components, particularly having complex cavities on the inside, by a combined production of the component using thermal spraying and machining, wherein during the thermal spraying s...
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WO/2008/123068A1 |
A sleeve with axially extending through-hole, produced by sintering a copper-coated iron powder consisting of an iron powder having its surface coated with copper or a copper alloy. The copper coating ratio based on the iron powder is in...
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WO/2008/124456A2 |
Contoured solid polycrystalline superabrasive material such as twist drill tips and endmill flank segments can be formed by preparing a precursor mold(l 0) having a plurality of shaped openings(12) each corresponding to a predetermined s...
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WO/2008/116243A1 |
The invention relates to a method for machining a toothing (7) on an outer circumference (6) or an inner circumference of a work piece (2) made of pressed and sintered powder metal, by means of a rolling process on the toothing (7) using...
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WO/2008/116756A1 |
The invention relates to a material for producing electrodes or luminous elements, said material being made of tungsten or a tungsten alloy having additives, said additives comprising at least potassium and at least one oxide from the gr...
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WO/2008/117802A1 |
Provided is a heat resistant component composed of a TiAl intermetallic compound. The main body of the component has a frictionally moving portion that frictionally moves on other components. The frictionally moving portion is covered wi...
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WO/2008/115681A2 |
Disclosed are cohesive metallic structures, comprising sintered metallic nanoparticles, suitable for shielding against electromagnetic interference and radio frequency interference. Also disclosed are methods for forming such structures....
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WO/2008/105559A1 |
This invention provides a lead storage battery which has a prolonged deep discharge cycle service life, has good recovery charge properties, and can suppress corrosion elongation to reduce a possibility of shortcircuiting. The lead stora...
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WO/2008/099840A1 |
A lead-free copper-based sinter sliding material which contains, in terms of mass%, 0.5-15.0% bismuth and 0.3-15.0% indium, the remainder being copper and incidental impurities. With respect to the states in which the copper, bismuth, an...
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WO2008018348A9 |
Cu-Sn-Bi/hard-particle type sliding materials have a drawback that the copper of the copper matrix flows during sliding to coat the bismuth phase therewith, resulting in a decrease in seizing resistance with time. A lead-free sliding mat...
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WO/2008/055594A1 |
The invention relates to a quasi-monolithic cylinder crankcase, cast in a permanent metal mould, for an internal combustion engine, having an infiltration body (1) which is made so as to penetrate the cylinder crankcase and is formed by ...
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WO/2008/055275A1 |
A description is given of a method for the powder-metallurgical production of a gearwheel (1) with teeth (2) having straight tooth traces, wherein a moulding is pressed from a sintering powder and sintered to form a blank. To make advant...
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WO/2008/049145A1 |
The invention relates to a method for the production of a one-piece metallic multiple wheel (2) for a traction mechanism, having at least two single wheels (3, 4) disposed next to each other, each having a wheel body (5, 6) with an exter...
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WO/2008/046388A1 |
The invention relates to a method for producing a high-pressure turbine rotor which is designed as a blisk and forms a radially inward disk and several vanes or blades that project from said disk. The turbine rotor has an internal duct s...
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WO/2008/046386A1 |
The invention relates to a method for producing a gas turbine component with at least one closed outer wall and an inner structure bounded by the or each closed outer wall and defining hollow spaces, comprising the following steps: a) pr...
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WO/2008/036926A1 |
A powder metal component which has a powder metal composition formed into a cylinder, wherein the cylinder includes a wall thickness and a length, and a ratio of the length to the thickness is relatively high such that conventional compa...
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WO/2008/032359A1 |
A process for producing an electrode for electric discharge surface treatment capable of forming of a coating excelling in abrasion resistance over a temperature range from low to high temperature by electric discharge surface treatment;...
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WO/2008/031123A2 |
The invention describes a method for producing a pressing mould profile (21) of a pressing mould for a non-circular, sintered sprocket or toothed belt pulley (1), in which method a pressing mould profile (21) is defined by scaling a nomi...
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WO/2008/016345A2 |
Tubular objects having two or more concentric layers that have different properties are joined to one another during their manufacture primarily by compressive and friction forces generated by shrinkage during sintering and possibly mech...
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WO/2008/003108A1 |
The invention relates to a method for producing a molding by means of the following steps: producing a molding compound, plasticizing the molding compound in an extruder and removing it via a slotted nozzle, feeding the green product int...
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WO/2008/001789A1 |
Disclosed is a Cu-Ni-Sn copper base sintered alloy having a chemical composition composed of 10-40% of Ni, 5-25% of Sn, and optionally if necessary, 0.1-0.9% of P, 1-10% of C, 0.3-6% of calcium fluoride and 0.3-6% of molybdenum disulfide...
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WO/2007/132587A1 |
A method of surface hardening which comprises coating the surface of an engine part with an alloy layer having excellent wearing resistance to improve the life of the part; and a process in which a piston or the like improved in wearing ...
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WO/2007/128013A1 |
A procedure for the manufacture of a toothed wheel made of a pressed and sintered powder metal blank (1) with allowance in the area of the toothing, whereby plastic deformation compresses the powder metal blank (1) by unwinding the compr...
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WO/2007/121542A1 |
High-speed steel for saw blades, presenting a composition of alloy elements consisting, in mass percentage, of Carbon between 0.5 and 1.5; Chromium between 1.0 and 10.0; equivalent Tungsten, given by 2Mo+W relation, between 3.0 and 10.0;...
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WO/2007/120790A2 |
A sintered powder metal connecting rod has (i) a central beam section made of a stronger material and (ii) crank and piston end sections made of more machinable materials, and may be forged or not.
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WO/2007/112936A2 |
The invention relates to a method for producing a wire or strip, in particular for use as an electrode or electrode tip in sparkplugs, in which the following steps are carried out: a) producing an intermetallic compound with a melting po...
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WO/2007/098739A1 |
The invention relates to a method for producing a sealing segment to be used in compressor and turbine components by means of a powder injection molding process. Said method encompasses the following steps: a) a first homogeneous mixture...
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