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WO/2019/055060A1 |
This application relates to a heat transfer tube, its method of manufacture and its use for thermal cracking hydrocarbon feeds, such as thermal cracking in furnaces. The heat transfer tube comprises a chromium and aluminum carburization-...
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WO/2019/045068A1 |
A composite roll for rolling, which is obtained by welding and integrating an outer layer and an inner layer with each other, and which is configured such that: the outer layer is composed of an Fe-based alloy that contains, on a mass ba...
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WO/2018/190528A1 |
The centrifugal casting apparatus for manufacturing a rotor of a motor according to the present invention comprises a lower mold 10 in which a rotor core 110 is held, and having a lower end ring molding part 11 for molding a lower end ri...
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WO/2018/161156A1 |
A system for casting a length of a pole of a tubular shape with molten metal. The system comprises a crucible for containing the molten metal; a pouring spout fluidly connected to the crucible; and a plunger for plunging in the crucible ...
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WO/2018/147370A1 |
A compound roll for rolling which has a structure obtained by integrally welding an outer layer comprising a centrifugally cast Fe-based alloy, an intermediate layer, and an inner layer comprising ductile cast iron, wherein: the outer la...
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WO/2018/147367A1 |
A compound roll for rolling which: has a welded and integrated outer layer and inner layer; is configured in a manner such that the outer layer thereof comprises an Fe-based alloy containing, by mass, 1-3% C, 0.3-3% Si, 0.1-3% Mn, 0.1-5%...
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WO/2018/134219A1 |
The invention relates to a method for producing cast bodies in a casting method, wherein a charge of a conductive material is brought into the region of influence of at least one electromagnetic alternating field, so that the charge is k...
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WO/2018/124101A1 |
The present invention provides a composite roll for rolling which comprises an outer layer that exhibits superior resistance to wear, surface roughening, cracking, and accidents as a result of suppressing segregation of MC-type carbide a...
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WO/2018/114845A1 |
This object (16) is made of spheroidal graphite cast iron, the steroidal graphite cast iron comprising, in % by weight, the following elements: carbon (C) less than or equal to 3.65% and silicon (Si) between 3.3% and 3.7%. Optionally, th...
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WO/2018/107314A1 |
A process for centrifugally casting a high-nitrogen austenitic stainless steel pipe at normal pressure, comprising the following steps: S1, material preparation; S2, addition of metal materials; S3, addition of nitrogen elements; S4, mol...
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WO/2018/094748A1 |
An apparatus and method for machining precious metal adornments with purity of 999.999‰, applicable to machining of precious metal adornments, such as gold, silver, platinum, and palladium. A plaster mold (6) is punched out of a steel ...
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WO/2018/047444A1 |
The purpose of the present invention is to provide a roll outer layer material for hot rolling and a composite roll for hot rolling, whereby wear resistance is ensured, pit-shaped flaws on the roll surface are reduced, and excellent surf...
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WO/2018/043534A1 |
Provided are a roll outer layer material and a composite roll for rolling that have remarkably improved abrasion resistance. A roll outer layer material that has a W-Co-based alloy composition: that is a graded composition in which W con...
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WO/2018/042929A1 |
Provided are a roll outer layer material and a composite roll for rolling that have remarkably improved abrasion resistance. A roll outer layer material that has a W-Co-based alloy composition: that is a graded composition in which W con...
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WO/2018/028125A1 |
A coating liquid for preparing a needle-shaped cylinder liner, comprising the following components: 0.05-0.4 parts of an anionic surfactant; 0.05-0.5 parts of tannic acid; 0.15-0.7 parts of caustic soda; 22-38 parts of diatomite; 3-10 pa...
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WO/2018/016676A1 |
The present invention relates to a vertical centrifugal casting device comprising: an installation frame including a rotary table; a rotation table bearing-coupled to the rotary table so as to be rotated by the operation of a driving mea...
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WO/2017/060615A9 |
The present invention relates in particular to a process for manufacturing an impregnated fibrous assembly, the process comprising at least the following steps: - introducing a first suspension (10) comprising a first powder of solid par...
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WO/2017/204379A1 |
The present invention relates to a pipe and a method for manufacturing same. A pipe body is manufactured by mixing three types of slag generated during a steelmaking process with one type of industrial by-product, and contains 45-55 wt% ...
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WO/2017/186444A1 |
The invention relates to a method for producing a component from ductile cast iron, comprising the steps of: providing a flowable cast iron mixture, introducing the flowable cast iron mixture into a mold, solidifying the cast iron mixtur...
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WO/2017/170570A1 |
Provided is a rolling rod outer layer that contains, on the basis of mass, 1.3-2.8% C, 0.3-1.8% Si, 0.3-2.5% Mn, 0-6.5% Ni, 1-10% Cr, 0.9-6% Mo, 0-8% W, 0.5-6% V, 0-3% Nb, and 0% or greater and less than 0.01% B, wherein the balance is f...
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WO/2017/159591A1 |
A metal mold for centrifugal casting, the exterior surface of which is provided with a coating in the form of an iron oxide film or a film containing calcium as the main ingredient. Such a coating is preferably formed so as to substantia...
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WO/2017/100046A1 |
A seal ring (100) comprising a chromium and boron containing cast iron alloy composition is disclosed. The cast iron alloy composition comprises each of boron, chromium and silicon in the following amounts: boron up to 1.5 wt. %; chromiu...
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WO/2017/084807A1 |
The present invention relates to a method for manufacturing a micromechanical part made of a first material, said first material being capable of becoming at least partially amorphous, said method including the following steps: a) provid...
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WO/2016/168494A1 |
Methods and apparatus, comprising a housing, a first plurality of gears positioned within the housing, a second plurality of gears positioned within the housing, and a plurality of wheels positioned externally of the housing, are usable ...
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WO/2016/104417A1 |
The present invention provides a heat-resistant pipe having an alumina barrier layer whereby a decrease in mechanical characteristics such as creep rupture strength or tensile ductility can be prevented while an alumina barrier layer is ...
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WO/2016/052660A1 |
A composite cylinder for molding machines which is obtained by forming an inner layer by a centrifugal casting method on the inner surface of a cylindrical outer layer constituted of a steel and in which the inner layer is constituted of...
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WO/2016/050995A1 |
The invention relates to a system and a method for moulding metal parts, characterised in that it comprises a first metal structure (4) which is secured to a rotating machine, where each structure (4) is associated with a cover (3) and a...
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WO/2016/034865A1 |
The present invention relates to alloys used to prepare a low strain steel pipes for use in chemical engineering applications. In particular, the invention relates to low carbon high strength steel alloys and pipes made from such alloys ...
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WO/2016/031519A1 |
[Problem] To provide: an outer layer material for composite rolls for rolling, which is capable of enhancing the strength of a secondary eutectic carbide by reducing the amount of B in the secondary eutectic carbide, and which is thus ca...
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WO/2016/008555A1 |
The invention relates to an alloy for production of a thin-walled steel component, in particular of an engine component, particularly preferably of a piston for an internal combustion engine, consisting of the alloy elements carbon from ...
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WO/2015/198612A1 |
The present invention provides a caliber-containing centrifugally cast roll for hot rolling that has excellent abrasion resistance and fatigue resistance as well as excellent slip resistance. The present invention contains, by mass%, 1.8...
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WO/2015/155448A1 |
The invention relates to a method for the treatment of an alloy based on titanium aluminide. The method comprises the following steps during which no hot isostatic pressing is carried out: a semi-finished product (7) produced by centrifu...
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WO/2015/129754A1 |
Provided is a molding-machine cylinder that comprises: a framework containing, in a nickel-based alloy base, 20 to 50 area% of tungsten carbide particles and 1 to 10 area% of metallic boron carbide particles composed mainly of tungsten; ...
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WO/2015/119449A1 |
The present invention relates to: a multiple pressure casting mold which can cast a molded product by allowing molten metal to flow into a molded product accommodating part by using centrifugal force and pressure during casting such that...
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WO/2015/114262A1 |
The invention relates to a rotary mould for the centrifugal casting of an alloy. The mould comprises linings (135a) housed in hollow exoskeletons (137a). The exoskeletons hold onto the linings during the casting, in the face of the centr...
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WO/2015/114250A1 |
The invention relates to an assembly including a mold (4), suitable for casting a molten metal alloy therein, and to said metal alloy cast therein. The alloy is TiAl. The mold is rotatable and includes receiving recesses (135) made of st...
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WO/2015/100472A1 |
A centrifugally cast composite metal product having an axis of rotational symmetry and a mass of at least 5kg, comprises a host metal and insoluble solid refractory particles of & refractory material in a non-uniform distribution through...
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WO/2015/092218A1 |
The invention relates to a method for producing multiple metal turbine engine parts, comprising steps consisting in: a) casting a metal alloy in a mould in order to produce a blank (3); and b) machining the blank in order to produce the ...
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WO/2015/092220A1 |
The invention relates to a method for producing multiple metal turbine engine parts, comprising steps consisting in: a) casting a metal alloy in a mould in order to produce a blank (3); and b) machining the blank in order to produce the ...
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WO/2015/092239A1 |
The invention relates to a method for producing multiple metal turbine engine parts, comprising steps consisting in: a) casting a metal alloy in a mould in order to produce a blank (3); and b) machining the blank in order to produce the ...
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WO/2015/046758A1 |
The present invention provides a mold for a fishing swivel sinker and a method for manufacturing a swivel sinker using the same, wherein the body and the ring are made of one selected from brass, cast iron, and stainless steel, thereby p...
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WO/2015/045720A1 |
A centrifugally cast composite roll obtained by integrally welding an outer layer (1) formed by centrifugal casting and an inner layer (2) comprising ductile cast iron. The outer layer comprises an Fe-based alloy containing, by mass, 1.3...
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WO/2015/045984A1 |
Provided is a centrifugally cast composite roll for hot rolling in which: an outer layer (1) that is formed by centrifugal casting and an inner layer (2) comprising a ductile cast iron are integrated by welding; the outer layer has a che...
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WO/2015/045985A1 |
Provided is a centrifugally cast composite roll for hot rolling in which: an outer layer (1) that is formed by centrifugal casting and an inner layer (2) comprising a ductile cast iron are integrated by welding; the outer layer has a che...
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WO/2015/027648A1 |
A spheroidal graphite cast iron foundation pile pipe and a preparation process thereof. The preparation process comprises the following steps: (1) preparing before pipe casting: comprises preparing molten iron, spheroidizing and spraying...
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WO/2015/006089A1 |
A method of producing a seamless, composite tubular product includes centrifugally casting a metal or alloy into a tubular workpiece having an inner diameter. The method then centrifugally casts a corrosion resistant alloy in the inner d...
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WO/2015/002289A1 |
The purpose of the present invention is to provide a rotary body shaft, a rotary body structure and a vehicle wheel in which sufficient torsional strength is ensured while keeping costs down. In the casting starting material state, the o...
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WO/2014/206521A1 |
The invention relates to a method for producing an impeller of an exhaust gas turbocharger from a TiAI-alloy (3). According to the invention, the alloy (3) has at least 1,9 at/% niobium and the impeller is formed by centrifugal casting t...
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WO/2014/164041A2 |
Various enhanced features are provided for centrifugal casting apparatuses, rotatable assemblies, and molds for casting products from molten material. These enhanced features include, among others, tapered gate portions positioned adjace...
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WO/2014/163522A1 |
The invention relates to foundry work. A vertical vacuum-type centrifugal casting apparatus comprises a driving support disc to which a body is attached, in a cavity in which a cylindrically shaped flask with perforated openings in th...
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