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WO/2004/069453A2 |
The invention relates to a process for making an annealing band, the process comprising (a) producing a refractory metal powder; or refractory metal alloy powder; (b) optionally blending the powder with an oxide component or a carbide co...
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WO/2004/063603A2 |
A piston (10) includes a piston structure being unitarily formed in a powder metallurgy process, the piston structure having a crown assembly (250) and a skirt assembly (252), at least a partial combustion chamber 256 being formed inters...
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WO/2004/056513A2 |
The invention relates to an extrusion press method for the continuous production of fully cylindrical sintered blanks (24) comprising at least one internal, spirally extending channel (3) having a predetermined cross-section, wherein the...
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WO/2004/054744A1 |
A manufacturing method for obtaining improved components (110) for gas turbines, which includes at least one process involving powder sintering or powder metallurgy with homogeneous/heterogeneous dispersion of powders; the invention also...
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WO/2004/052974A2 |
A system and method (Fig.1(a)-(f) to produce high density precision composite devices. A system and method to consolidate a high density composite within details of a mold (110). One method includes creating a densified composite within ...
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WO/2004/048062A1 |
A three-dimensional solid model of a tire vulcanizing mold is created on CAD. A stack model where segments are stacked in a predetermined stack direction and the optimum value of the stack pitch is determined by considering the model pro...
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WO2003107455B1 |
A method for preparing compositionally graded metallic plates and compositionally graded metallic plates suitable for use as interconnects for solid oxide fuel cells are provided. The method of the invention, utilizing powder metallurgy ...
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WO/2004/041463A2 |
A method and apparatus for the cross-hole pressing of cutting inserts (10) is disclosed whereby a green part (110) is fabricated using metallurgical powder (260) and an opening (25) is imparted within the green part by placing the metall...
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WO/2004/030852A1 |
A sintered gear made of sintered alloy with a metallic matrix and pores. Tooth faces (2, 3, 4) and bottom land faces (5) have dense layers (11) having porosity of 10% or more less than that of the sintered alloy. The dense layer of the t...
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WO/2004/030851A1 |
A method of fabricating clutch races for one-way clutch mechanis ms includes compacting and sintering a ferrous-based powder metal to near-net shape to produce a core density of between about 6.8 to 7.6 g/cc and a race surface that is ne...
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WO/2004/029332A2 |
A method for purifying metal M1 particles manufactured by an electrochemical reduction process, the method comprising the steps of introducing the metal M1 particles into a heat source (13) at a temperature substantially equal to or high...
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WO/2004/024374A1 |
A method for producing a metal formed article which comprises laying a formed article (2a) of a second metal in a powder (1) comprising a first metal, to form a powder formed product (3a), heating the formed product to a temperature lowe...
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WO/2004/020129A1 |
A method of manufacturing a bearing, comprising the steps of filling iron- and copper-based material powders (1) and (2A) and (2B) in the filling part of a metal mold, pressurizing the material powders (1) and (2A) and (2B) to form a pre...
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WO/2004/012885A2 |
The invention relates to a method for producing a moulded part from a disk-shaped or plate-shaped base body (5) comprising a plurality of knot-shaped and/or ridge-shaped elevations (4, 3) which merge into the base body (5) with inclined ...
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WO/2004/004955A1 |
The invention relates to a metal workpiece (1) consisting of a pre-manufactured lower part (2) and an upper piece (3) which is placed thereon using a metal powder sintering process, preferably laser sintering. The lower part (2) is a par...
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WO/2004/002641A1 |
The invention relates to an extrusion press tool for producing a cylindrical body (9) consisting of a plastic mass (8) and having at least one inwardly extending recess. Said extrusion press tool comprises an extrusion die (P) having a t...
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WO/2003/106718A1 |
The invention includes a method of producing a hard metallic material by forming a mixture containing at least 55% iron and at least one of B, C, Si and P. The mixture is formed into an alloy and cooled to form a metallic material having...
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WO/2003/101648A1 |
The present invention provides a method for producing a powdered metal compact for a cutting head to be used in a metal cutting tool. The powdered metal compact is produced in a punch and die assembly and has apertures communicating betw...
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WO/2003/091466A1 |
The present invention relates to a niobium powder for a capacitor having Mg and Zr contents each of 50 to 400 mass ppm, a W content of 20 to 200 mass ppm and a Ta content of 300 to 3,000 mass ppm, with the contents of elements other than...
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WO/2003/061898A1 |
The invention relates to a rod-shaped drill consisting of a hard metal or ceramic. Said drill has a first (E1) end region and a second (E2) end region in the longitudinal direction, whereby the second end region is provided with a cuttin...
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WO/2003/059556A2 |
A stack to be used in a fuel cell or an electrolyser, comprises an impermeable metal structure, at least one first metal fiber layer and at least one second metal fiber layer. The impermeable metal structure is sintered to one side of sa...
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WO/2003/053613A1 |
An anode support formed of a three−dimensional interconnected porous nickel plaque fabricated by sintering (103) a bed of pure metallic nickel powder particles (101) .
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WO/2003/039792A1 |
The invention relates to a method of producing a metal/ceramic composite plate. The inventive method comprises the following steps: the mixing of at least one metal powder, at least one ceramic powder and forming additives; a granulation...
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WO/2003/031668A1 |
A tungsten wire containing 1−10 mass% of rhenium, characterized in that the point showing 2% expansion of a heated tungsten wire having a diameter of x µm and heated by application of a current of which the ratio to the fusing current...
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WO/2003/026818A1 |
A compacted and sintered gear blank is supported for rotation about a first axis adjacent a tool supported for rotation about a second axis transverse to the first axis. The tool has a series of gear cutting teeth and an adjacent set of ...
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WO/2003/022490A1 |
These forged articles are useful as connecting rods (10). The bushing (40) is assembled during the forging operation of the powder metal connecting rod. This reduces the number of manufacturing operations required to process a powder met...
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WO/2003/020460A2 |
The invention relates to a method for producing a metal component, in particular an internal joint part (3) of a Cardan joint (1), which is provided with ball paths (7). According to the invention: a charge cavity (28) is filled with pow...
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WO/2003/013938A2 |
A rack (20) for a rack and pinion steering system (10) includes a fully dense powder metal rack tooth section (50) joined, by sintering, to a hollow rack tube (30). The rack tooth section (50) is formed by pressing powder metal (70) into...
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WO2001068246A9 |
An inexpensive, highly catalytic material preferably formed by a leaching process. The catalyst comprises a finely divided metal particulate and a support. The active material may be a nickel and/or nickel alloy particulate having a part...
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WO/2003/011793A2 |
A method for manufacturing a sintered magnet includes the steps of producing a green compact of powder for the sintered magnet, machining the green compact with a wire-saw, and sintering the green compact.
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WO/2003/009956A2 |
A method for production of a composite material blank and components made therefrom with solid metal cover sheets and a closed-pore metal foam core arranged between the above is disclosed, the porosity of which is produced entirely by th...
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WO/2002/101107A1 |
A sintered alloy, characterized in that it comprises, relative to 100 wt % of the whole alloy, 4 to 30 wt % of Mo, 0.2 to 3 wt % of C, 1 to 30 wt % of Ni, 0.5 to 10 wt % of Mn, 2 to 40 wt % of Co and the balanced amount of Fe and inevita...
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WO/2002/098588A1 |
A method for the rapid fabrication of mold inserts for molds and molds is disclosed; wherein high machinability rates and time and cost savings along with increased tool life and material savings are obtained through the use of blank die...
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WO/2002/095265A1 |
The invention relates to a ring gear comprising teeth (10) and tooth gaps (12) whereby the teeth (10) are brought into contact with a corresponding pinion by tooth flanks (14). According to the invention, the tooth flanks (14) are approx...
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WO/2002/090024A1 |
High purity refractory metals, valve metals, refractory metals oxides, valve metal oxides, or alloys thereof suitable for a variety of electrical, optical and mill product/fabricated parts usages are produced from their respective oxides...
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WO/2002/090028A1 |
The invention relates to a method and a device for machining workpieces (6) comprising an annular-shaped section that is to be provided with a split bore (10). Said device comprises: a fracture-splitting device for fracture-splitting the...
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WO/2002/090023A1 |
A ferrous sintered valve seat material is made of mixed powders comprising a sinter-hardenable phase and a finely dispersed carbide phase. The powder mixture comprises a sinter-hardening prealloyed powder forming 75 to 90 wt.% of the mix...
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WO/2002/088406A1 |
The invention discloses a piston ring comprising a piston ring substrate. The piston ring substrate comprises at least 50 volume %, of at least one intermetallic alloy, based on the total volume of the wear-resistant composition. The inv...
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WO/2002/088556A1 |
A high performance main bearing cap has particular surfaces densified for improved fatigue crack resistance. The surfaces densified are the bolted face (F) inside of a perimetral margin and outside of bold head interface areas around the...
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WO/2002/088407A1 |
A piston ring comprises a coating of a wear-resistant composite composition, particularly intended for high temperature applications. The wear-resistant composite composition comprises a ceramic compound and at least 50 volume %, based o...
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WO/2002/081192A1 |
A Nb3Al superconducting wire and method for fabricating the same wherein Nb and Al powders in combination, or Nb-Al alloy powders are encapsulated in a metal tube, preferably copper or copper-alloy (e.g., CuNi), and the resultant composi...
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WO/2002/078881A1 |
To manufacture a flange for a compressor with a relief groove by using powder metallurgy in order to prevent deformation of the compressor in operation, powder material for the flange is charged into a mold; an ablative member having a m...
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WO/2002/077480A1 |
The invention relates to a synchronizing ring, a method for producing the synchronizing ring and a pressing tool for producing the synchronizing ring. The synchronizing ring is intended for use in a vehicle transmission. The outer protru...
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WO/2002/075171A1 |
The present invention relates to a novel conrod connecting a piston or cross head to the crank in a two or four stroke internal combustion engines, said conrod comprising a stem inter linking two connecting means in the form of a big cir...
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WO/2002/070174A1 |
The invention relates to a method of producing a sintered metal component comprising at least one bore, which is characterized by producing a base powder blend by mixing a metal powder with a base pressing auxiliary agent. An additional ...
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WO2001012367A9 |
A multiple-acting powder metal press is disclosed for making green form double helical gear compacts. The press has inner and outer lower punches (1082, 1084), and an upper, outer punch (1026). The upper and lower outer punches have left...
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WO/2002/066144A2 |
The invention relates to a composite structure consisting of a relatively long filtration bar comprising, from the outside, an ultra-thin layer (26) that is selectively permeable to hydrogen and made from palladium or silver alloy. Said ...
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WO/2002/064293A1 |
A porous body suitable for a feeding element in a filter or a solid polymer electrolytic bath, for a collector in a solid polymer fuel battery, and for a liquid dispersing plate, especially an ink jet printer-use ink dispersing plate. Gl...
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WO/2002/062511A1 |
A method of co-forming a metal article comprising forming a powdered metal component from a first powdered metal composition, providing a polymeric foam, coating the polymeric foam with a second powdered metal composition to form a coate...
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WO2001083135B1 |
A method of forming a body of a formable working material in an impact machine, which comprises an upper impact unit (2) with an upper ram (14), an upper punch (17), a lower impact unit (3) with a lower ram (24), a lower punch (27), and ...
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