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WO/1992/018323A1 |
The present invention relates to a manufacturing method where items are made similarly the way a variety of insects build up their habitats. That is by assembly of minute particles or threads of mater with a bonding ingredient in some pr...
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WO/1992/015721A1 |
A method and apparatus for the production of a deposit such as a bar (1) is provided. The deposit has a longitudinal outer surface (2) and a front face deposition surface (3). The spray deposition comprises atomized droplets produced by ...
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WO/1992/009389A1 |
A method of making an essentially void-free, cast silicon and aluminum product (24) wherein silicon and aluminum components in solid form are placed in a receptacle (18), heated to completely melt the components and thoroughly and unifor...
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WO/1992/001525A1 |
There is provided an introducing means for introducing particulate material into a molten metal, molten alloy or molten ceramic stream, or spray of droplets formed therefrom. The introducing means has an annular introducing chamber (24) ...
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WO/1992/000820A1 |
A free-form, three-dimensional, solid-phase object (30) is produced from droplets (24) of liquid-phase material having appreciable surface tension and well-defined solidification properties. The liquid-phase material is ejected from an e...
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WO/1991/014011A1 |
Aluminium-lithium alloys having reduced levels of impurities, particularly hydrogen and sodium and which exhibit improved mechanical properties.
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WO/1991/013183A1 |
The invention relates to a semi-finished product made of copper or a copper alloy in the form of rods, tubes, profiles, sheets or strips, which is to be used in particular for machining operations. It is therefore particularly suitable f...
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WO/1991/010840A1 |
In a brake disc for a disc brake device for automobiles and similar vehicles considerably increased hardness and wearability has been imparted to the opposite side faces (5) of a mainly disc-shaped cast-iron body (2), either through a di...
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WO/1991/008849A1 |
Al base-Si hypereutectic alloys can exhibit problems of variable and unwanted microstructure throughout the section of the article being cast. This problem is overcome by controlled cooling of the mould in critical areas, to remove or pr...
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WO/1991/002099A1 |
A method for the manufacture of copper base alloys having improved resistance to thermally induced softening is provided. The alloy composition is selected so that the alloy undergoes either a peritectic or eutectic transformation during...
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WO/1991/001190A1 |
The invention provides a process for the manufacture of copper alloy products having improved processability. The alloys of composition (B) in Figure 1 are melted and atomized into continuous stream (C) which are spray cast into a cohere...
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WO/1990/014446A1 |
Process for manufacturing internally plated hollow blocks for subsequent processing to seamless metal tubes, in particular steel tubes. To obtain a process with which a hollow block plated only on the inside can be manufactured and which...
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WO/1990/013374A1 |
A process is described for forming castings using non-bonded (loose) moulding media, e.g. an evaporative pattern casting process. According to the novel feature, a very significant improvement can be achieved in the cooling and solidific...
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WO/1990/011852A1 |
A method of treating spray cast metal strip, especially of copper alloys, to reduce porosity. The deposited strip (A) is subjected to a cold rolling reduction of at least about 25 % and then annealed at a temperature of from about 450° ...
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WO/1990/010514A1 |
A molten metal spray-depositing apparatus for atomizing a stream of molten metal into metal particles in a divergent spray pattern of higher mass density at an upstream leading peripheral portion of the spray pattern, relative to the dir...
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WO/1990/004661A1 |
A device for gas atomizing a liquid stream (41), such as a stream of molten metal or metal alloy, has an atomizing device (43) including, for example, an annular opening for receiving the stream. The atomizing device is arranged for appl...
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WO/1990/003236A1 |
A molten metal gas atomizing/spray-depositing apparatus (10) having a substrate (28) for receiving a deposited of the metal particles. According to one aspect, the substrate (28) may be composed of a material which includes at least an u...
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WO/1990/000101A1 |
Molten metal in a closed reservoir (1) is forced by gas pressure applied to its surface (26) to flow smoothly up a riser tube (6) and replaceable pouring nozzle (17) into a mould (20). When the mould has been filled, the entire assembly ...
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WO/1989/009291A1 |
Apparatus for cladding and thus reclaiming a worn rolling mill roll by fusing a surface layer thereon, comprises an electro-slag mould (7); a slewable derrick structure (Fig. 2) able to feed a split tubular, consumable electrode (51) int...
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WO/1989/003738A1 |
A method for the direct casting of metallic material, such as steel, to produce elongated bodies (2) which form primarily blanks having a cross-section which corresponds relatively closely to the cross-section of the intended products, i...
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WO/1988/008343A1 |
The method consists in that a slag bath (2) is prepared in a forming sleeve (1) which serves as the first layer of the bimetallic article and then the metal of the second layer of the bimetallic article is built up on the sleeve (1) by m...
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WO/1988/004695A1 |
A crystallizer comprises a copper sleeve (1) provided with steel stiffening ribs (2) and a steel envelope (3) mounted coaxially to the copper sleeve (1) and forming, together with the latter, a cooling chamber (4) divided by the steel st...
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WO/1988/003177A1 |
A casting mould comprises a sleeve (1) provided with stiffening ribs (2) and a steel envelope (3) oriented coaxially to the sleeve (1) and forming, together with the latter, a cooling cavity (4) divided by the stiffening ribs (2) into ch...
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WO/1988/001653A1 |
A crystallizer comprises a copper sleeve (1) having an upper enlarged section (2) and a lower shaping section (3) and a steel casing (4) mounted coaxially to the copper sleeve (1) and forming, together with the latter, a cooling chamber ...
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WO/1987/007192A1 |
In a process for producing thin metal bar, in particular steel bar, having a thickness of less than 20 mm, an uncooled clean metal section having a low energy potential is placed in contact with a melt, which is made to crystallize on th...
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WO/1987/003012A1 |
A method of forming a deposit in which a spray of gas atomised molten metal or metal alloy is generated and directed at a substrate. The substrate is rotated about an axis of rotation and a controlled amount of heat is extracted from the...
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WO/1986/006415A1 |
A method of making hollow blanks by electroslag remelting consists in heating, before the beginning of the remelting, an internal crystallizer (4) and a bottom plate (5) and carrying out the process of remelting without cooling the cryst...
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WO/1985/005128A1 |
A method of making hollow cylindrical articles provides for preparing a blank through electroslag casting at a speed of 0.3 to 0.6 mm/sec., its surface hardening with a flow of plasma jet formed in a plasmatron at a current intensity of ...
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WO/1985/004606A1 |
A method of producing a sound metal casting, particularly of reactive metals, such as titanium, niobium and zirconium, by providing a pair of opposed electrodes, at least one of which is formed of the metal to be cast, whereby the electr...
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WO/1985/004352A1 |
Method and apparatus for casting rapidly solidified metal ingots (69) wherein molten metal (21) is centrifugally formed into molten droplets (83) that are rapidly solidified under controlled conditions into metal particles which are cast...
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WO/1984/000017A1 |
For casting of iron alloys in permanent molds (10) thin-walled permanent copper molds are used which are subjected to forced cooling so that the surface layer of the articles (11) is quenched to rapidly form a solidified shell which perm...
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WO/1982/001143A1 |
Method of casting such melts of materials, the course of solidification of which comprises an expansion followed by a contraction, for example grey iron alloys, nodular iron, etc. The molten material is supplied to the mould cavity (2) i...
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WO/1981/003136A1 |
A method, Fig. 1, of applying a coat (8) of metal on a metal wire (2) with substantially the same melting point as the metal, where the wire (2) by means of uncoiling reel (1) and coiling reel (17) is passed through a bath (4) of molten ...
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WO/1981/001810A1 |
A process and apparatus for casting semi-finished metal products in which a molten-metal-proof-plunger (27, 100, 161, 163) is disposed near the top of a cavity (26, 162, 164) in a permanent mold (20, 150),a reservoir (36, 203) of molten ...
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WO/1981/001841A1 |
A compact layer (3) of material is formed by thermal projection on a support piece (1) of which at least the surface portion is made of a material having the property of preventing adhesion of this layer (3) on said support (1) and on th...
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WO/1980/001573A1 |
A method for controlling the process of casting thin-walled ingots by the electroslag remelting consists in maintaining a constant value of the inter-electrode gap. For that purpose the melting current is measured and averaged for given ...
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WO/1980/000137A1 |
A process and a device for casting metal pieces in a mould are provided. The aim is to provide an economical and fast method for producing oxydation-free pieces, which require as to their shape nothing but a slight finishing and which pr...
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JP7444147B2 |
To manufacture granular irons with proper grain diameter stably and continuously over a long term.The present invention relates to: a granular iron manufacturing apparatus comprising a tundish 1 including a nozzle 2 for molten iron disch...
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JP7442675B2 |
A process for smelting steel for ultrafine carborundum sawing wires, comprising: 1) in a vacuum induction furnace, using pure iron and low-phosphorus pig iron as raw materials to be melted into molten steel under the protection of argon;...
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JP7435540B2 |
To provide a particulate molten iron manufacturing apparatus and a particulate molten iron manufacturing method which can suppress consolidation of pieces of particulate molten iron by efficiently cooling the particulate molten iron bein...
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JP2024023151A |
The present invention provides a 3D printing method and system in which a first layer has good adhesion to a build plate during printing while simultaneously allowing release of the part after printing is complete. A method of forming a ...
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JP7434007B2 |
To provide a casting apparatus and a casting method capable of, while reducing load on a mold and a drive mechanism during closing of the mold, obtaining a cast product with a cast defect suppressed.In a mold 20 in a casting apparatus 10...
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JP2024012802A |
[Problem] To improve the internal quality of a cast product. [Solution] A tilting type gravity casting device 1 includes a ladle 7 in a mold 2, stores molten metal M in the ladle 7, and when the mold 2 is tilted, the molten metal M is po...
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JP7421388B2 |
To provide a casting apparatus and a casting method capable of suppressing the upsizing of a mold and a drive mechanism and the deterioration of durability, and also capable of suitably obtaining a cast product.A drive mechanism 26 in a ...
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JP7409576B1 |
In a granular metal manufacturing apparatus, it is possible to make molten metal into granular metal having a predetermined particle size or less even if the height is regulated. When molten metal flows from the upper first flow path (9)...
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JP7408170B2 |
The present disclosure discloses a composite equal additive manufacturing method, including the following steps: S1, obtaining molten metal by using a metal smelting device; S2, first, storing inflow molten metal in an intermediate conta...
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JP2023180122A |
To provide an apparatus and a method for casting magnesium alloys that allow for component analysis and evaluation, such as cleanliness evaluation, in melting/casting of magnesium alloys.An apparatus for casting magnesium alloys comprise...
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JP2023176305A |
To provide an ingot production method utilizing an ESR method which solves the problem that slag intrudes into an ingot by securing the heat value and fluidity of slag to obtain an ingot having high cleanliness.Provided is an ingot produ...
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JP7385401B2 |
One aspect of the present disclosure provides a premelted flux wherein the content of CaO crystal phase is 1.0% by mass or less.
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JP2023544639A |
The present invention discloses a rough drawing wire for 5000 MPa class diamond wire and a method for producing the same. The chemical composition of rough wire is carbon: 1.01~1.1%, silicon: 0.15~0.4%, manganese: 0.3~0.6%, chromium: 0.0...
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