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WO/2024/042773A1 |
Provided is an electromagnetic steel strip friction stir welding method that can, under high processing efficiency, suppress fracturing of a coil weld section on a manufacturing line, said fracturing being due to degradation in the shape...
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WO/2024/042774A1 |
Provided is a friction stir joining method which is for an electromagnetic steel strip and which, while having a high working efficiency, is capable of preventing a coil joining section in a manufacturing line from breaking due to the de...
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WO/2024/041143A1 |
A titanium alloy hot-rolled seamless tube production system, comprising a blanking machine (1), a stretch-reducing mill (7), a straightening machine (8), a diameter measuring gauge (9), a shot blasting machine (10) and an in-tube testing...
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WO/2024/040760A1 |
A production method for an atmospheric-corrosion-resistant steel plate. The steel comprises the following components, in percentages by weight: C=0.03-0.08%, Si≤0.60%, Mn=0.50-1.50%, P≤0.025%, S≤0.005%, Al=0.01-0.06%, Cu=0.30-0.60%...
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WO/2024/040707A1 |
The present invention belongs to the technical field of strip steel continuous casting and rolling, and relates to a method and production line for the endless continuous casting and continuous rolling production of ultra-low carbon stee...
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WO/2024/036988A1 |
A steel coil uncoiling unit, comprising a winding drum (2), a strip steel clamping and conveying device (3), a strip-passing guide plate (1) and a support frame, wherein a deep-bending roll (51) and a deep-bending driving device are prov...
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WO/2024/018700A1 |
Provided are equipment for cutting steel strips, cold rolling equipment, a method for cutting steel strips, and a method for producing steel strips that make it possible to stably cut joined sections of continuous steel strips and remove...
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WO/2024/018701A1 |
Provided are steel strip cutting equipment and cold-rolling equipment that enable accurate laser cutting of joint portions between continuous steel strips. Cutting equipment for steel strips (1) comprises a joint portion detecting device...
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WO/2024/003802A1 |
A welding machine, preferably of the flash welding type, designed to facilitate maintenance of the clamping means (3, 4, 6, 7), e.g. clamps, of the two longitudinal metal products to be welded. Advantageously, a first structure (2) provi...
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WO/2023/156116A1 |
The invention relates to the technical field of combined casting-rolling installation for producing hot-rolled finished strip. The aim of the invention is to modify an existing combined casting-rolling installation and a method for produ...
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WO/2023/143924A1 |
The invention relates to a method for cutting a metal strip to length by means of at least one cutter (1), comprising the following steps: A) determining at least one target cutting time at a cutting site of the rolling mill according to...
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WO/2023/138121A1 |
A method for producing a thin specification steel plate, wherein a rolling process comprises: turning off a roller-table cooling water, smoke suppression and a rolling mill side spraying, two pieces of steel in advance; closing a roller ...
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WO/2023/084324A1 |
The present invention refers to a plant and a process for uncoiling wire rod from wire-rod coils produced in rolling mills. In particular, the invention refers to an apparatus provided with a control system that makes it possible to cons...
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WO/2023/071597A1 |
The present invention relates to a material shifting air cylinder device for delaying double-scale operation of finished products and an operation method. The material shifting air cylinder device comprises a first input roller way secti...
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WO/2023/041740A1 |
The invention relates to a device for machining the edges of continuous slabs, comprising one machining tool each that can be brought in contact with a longitudinal edge of the continuous slab, and at least one guide element for perpendi...
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WO/2022/262326A1 |
An energy-saving pendulum shear for thin slab continuous casting and continuous rolling. A guide sleeve (4) and a guide rod (5) are arranged between an upper shearing device (8) and an eccentric crankshaft (3) of the pendulum shear; one ...
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WO/2022/258254A1 |
The invention relates to a method and a device for bridging an interruption in production in a combined casting-rolling installation (1). The aim of the invention is to provide a combined casting-rolling installation for producing a hot-...
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WO/2022/172516A1 |
In the laser cutting method for a steel strip according to the present invention, which uses laser light to cut a width-direction end portion of the steel strip including a joined portion at which the rear end of a preceding steel strip ...
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WO/2022/172515A1 |
In the laser cutting method for a steel strip according to the present invention, which uses pulsed laser light to cut the vicinity of a joined portion at which the rear end of a preceding steel strip is joined with the leading end of a ...
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WO/2022/160409A1 |
A processing method for a battery aluminum foil. The rolling parameters of the passes of foil rolling and middle rolling and the rolling time interval of two successive passes are controlled, and the rolling parameters in the finishing r...
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WO/2022/116607A1 |
Disclosed is a production process for hot-rolled round steel 09CrCuSb with sulphuric acid dew point corrosion resistance. The round steel 09CrCuSb contains the following chemical components in percentage by weight: 0.06-0.09% of C, 0.26-...
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WO/2022/088637A1 |
A welding method for a hot-rolled steel plate for use in an automobile, comprising the following steps: assembling and fixing a first steel plate and a second steel plate, and welding an assembling part by using a laser welding apparatus...
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WO/2022/021714A1 |
A horizontal flange coiling machine, comprising a coiling roller (1); and a clamping and conveying assembly (2) arranged at an inlet end of the coiling roller and comprising a left roller (3) and a right roller (4), wherein a clamping an...
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WO/2022/008317A1 |
A processing plant for metal strips (1) has a welding machine, a strip store downstream of the welding machine and a processing device downstream of the strip store. By means of the welding machine, the metal strips (1) are welded to for...
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WO/2021/205687A1 |
A cold-rolled steel strip manufacturing facility 1 is configured by having: a joining device 12 for joining a rear end of a preceding steel strip with a front end of a subsequent steel strip to form a joined steel strip S; a looper 13 fo...
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WO/2021/201912A1 |
A system for heat-treating a coil of metal can include a furnace, an unwinding system, and a quenching system. The furnace may receive the coil of metal and elevate a temperature of the metal to be within a pre-heated temperature range, ...
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WO/2021/182529A1 |
The present invention allows equipment costs and remodeling costs to be affordable, and manufactures a steel sheet pile with high dimensional accuracy by suppressing the occurrence of warping of a material to be rolled during bending. Th...
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WO/2021/156738A1 |
A welding machine, preferably of the flash butt welding type, designed to facilitate maintenance of the clamping means (3, 4, 6, 7), e.g. clamps, of the two longitudinal metal products to be welded. Advantageously, a first structure (2),...
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WO/2021/139555A1 |
An energy-saving device for producing elongated steel by calendaring using smelting waste heat, comprising a multi-strand continuous casting machine (1), a multi-strand roller-hearth tunnel kiln (2), a roller-hearth traversing machine (3...
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WO/2021/106543A1 |
Provided is a steel strip notching method that can suppress decrease in the lifetime of a tool and that exhibits the effect of excellent suppression of chattering vibrations when, after forming notches at ends of a joint part in a sheet ...
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WO/2021/107378A1 |
A slitter according to an embodiment of the present invention to resolve a problem comprises: an upper blade which is positioned above an electrode plate and rotates to cut the electrode plate; and a lower blade which is positioned below...
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WO/2021/075682A1 |
The present invention relates to an apparatus for removing a foreign material which sufficiently collects and removes a foreign material even with a constant suction force to increase the removal efficiency thereof, wherein the apparatus...
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WO/2021/063364A1 |
A high-efficiency double-stand double-cutting line feed-through intermediate thickness slab production line and production method. The intermediate thickness slab production line comprises: a main rolling line, at least two parallel cutt...
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WO/2021/032091A1 |
An intermediate billet joining system and method for endless hot strip rolling, relating to the technical field of intermediate billet joining for endless strip rolling. According to the joining system and method, speed matching between ...
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WO/2020/179717A1 |
[Problem] To provide a device and method for detecting a tail end of a coiled strip-shaped object, whereby damage to the surface of a strip-shaped body is suppressed, and it is possible to handle various coil diameters while also detecti...
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WO/2020/109918A1 |
A martensitic steel comprising of the following elements, expressed in percentage by weight 0.1%≦C≦0.4%; 0.2%≦Mn≦2%; 0.4%≦Si≦2%; 0.2%≦Cr≦1%; 0.01%≦Al≦1%; 0%≦S≦0.09%; 0%≦P≦0.09%; 0%≦N≦0.09%; and can contain...
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WO/2020/109035A1 |
The invention relates to a method for welding two hot metal products together, preferably for subsequent quasi-continuous hot rolling. According to the method, the metal products to be welded together are first cropped at the end faces t...
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WO/2020/109851A1 |
A martensitic steel comprising of the following elements, expressed in percentage by weight 0.1%≦C≦0.4%; 0.2%≦Mn≦2%; 0.4%≦Si≦2%; 0.2%≦Cr≦1%; 0.01%≦Al≦1%; 0%≦S≦0.09%; 0%≦P≦0.09%; 0%≦N≦0.09%; and can contain...
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WO/2020/095773A1 |
Provided is a melted burr removal device for which deburring blades can be replaced in a short time without requiring assembly of the deburring blades or the like to be performed on-site between transport rollers. This melted burr remova...
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WO/2020/036315A1 |
The present invention relates to a roller device capable of correcting the shape of a plate such as a steel plate so as to contribute to improving product quality. The roller device comprises: a pair of roller members which are disposed ...
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WO/2019/223991A1 |
The invention relates to a method for producing a product made of a flexibly rolled metal strip material, having the steps of: supplying (S10) a flexibly rolled strip material (3); ascertaining (S20) a measurement thickness profile of th...
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WO/2019/215044A1 |
The invention relates to a system and method for separating flexibly rolled strip material, comprising: a storage device (9) for temporarily storing the flexibly rolled strip material (3); a first feed device (15) behind the storage devi...
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WO/2019/145338A1 |
In a stretching-bending-straightening system and a method for the actuation thereof, material in strip form is fed to a high-tension region (50) and a low-tension region (52), wherein the low-tension region (52) is arranged downstream of...
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WO/2019/086183A1 |
The invention relates to a method for joining hot slabs (2, 3), which can be fed in succession to at least one roll stand. In order to enable the joining of the hot slabs (2, 3) with lower energy demand and less design complexity and bet...
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WO/2019/088771A1 |
A continuous casting and rolling apparatus according to an embodiment of the present invention may include: a continuous casting device; a cutting device that is disposed at the output side of the continuous casting device and cuts an in...
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WO/2019/081142A1 |
The invention relates to a method for cutting a cast strand or intermediate strip (1) using shears (2). In order to facilitate improved rolling of the section having significantly reduced thickness, the method according to the invention ...
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WO/2019/062288A1 |
A steel bar flattening production line, comprising a paying-off device (100), a first flattening machine (200), a first adjustment mechanism (300), a second flattening machine (400), a second adjustment mechanism (500), a cleaning assemb...
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WO/2019/054570A1 |
A method for continuously hot rolling a nonjoining-material high grade steel is disclosed. A method for continuously hot rolling a nonjoining-material, according to one embodiment of the present invention, comprises the steps of: melting...
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WO/2019/030392A1 |
Device and method for the friction welding of warm metallic products such as strips and/or slabs, in particular thin slabs, comprising a conveying device for at least two strips and/or slabs (i, i+1) arranged one behind the other and a p...
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WO/2018/117735A1 |
A side trimming device according to an embodiment of the present invention may comprise: a cutting unit for mechanically cutting a transferred steel plate; a groove forming unit for forming a groove in a cutting-scheduled area in front o...
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