| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 266114000 | HAVING MEANS FOR CONTACTING A SOLID METALLIFEROUS MATERIAL OR METAL OBJECT WITH A LIQUID | 19 |
| 20090108509 | Cooling Apparatus of Thick-Gauge Steel Plate - A cooling apparatus of thick-gauge steel plate having a plurality of pairs of constraining rolls, each comprising a top roll and bottom roll, constraining and conveying hot rolled thick-gauge steel plate and a plurality of spray nozzles spraying water on the top and bottom surfaces of the thick-gauge steel plate conveyed between the adjoining pairs of constraining rolls before and after each other in the conveyance direction, | 04-30-2009 |
| 20100059909 | Apparatus for Recycling Noble Metals - The present invention provides an apparatus for recycling noble metals, which comprises a conveyer, one or more carriers, an immersion device, one or more dissolution devices, and one or more rinse devices. The carriers carry objects containing noble metals. The conveyer is used for conveying the carriers to the immersion device, the dissolution devices, and the rinse devices sequentially for recycling noble metals from the objects containing noble metals. The apparatus according to the present invention can recycle noble metals continuously. Thereby, the speed of recycling is enhanced, and the amount of recycled noble metals is increased as well. | 03-11-2010 |
| 20120074621 | Press quenching machine for steel plates - A press quenching machine for steel plates includes a press bed structure, a hydraulic cylinder, a drive roller for advancing and stopping the steel plates, a fixed upper pressure head part, a bottom pressure head part movable up and down within the press bed structure, a plurality of upper pressed ribs provided on the upper pressure head part, and a plurality of bottom pressed ribs provided on the bottom pressure head part. The upper pressed ribs are crosswise arranged with the bottom pressed ribs, the upper and bottom pressed ribs have a density distribution according to a position of a special-shape plate for ensuring the flatness of the steel plates after quenching. In the press quenching machine, the transfer time and heat dissipation of the steel plates can be reduced, and no blind areas or soft spots exist. Therefore, the press quenching machine has a high yield and production efficiency. | 03-29-2012 |
| 20120306130 | COOLING METHOD AND COOLING DEVICE OF HOT-ROLLED STEEL STRIP - The present invention provides a method of cooling a hot-rolled steel strip which has passed through a finishing rolling, including: cooling the hot-rolled steel strip from a first temperature of not lower than 600° C. and not higher than 650° C. to a second temperature of not higher than 450° C. with cooling water having the water amount density of not lower than 4 m | 12-06-2012 |
| 20130032977 | MIST COOLING APPARATUS AND HEAT TREATMENT APPARATUS - The mist cooling apparatus ( | 02-07-2013 |
| 20130221586 | METHOD AND APPARATUS FOR LEACHING METAL FROM MINING ORE - Porous leach pipe and method for leaching metals from mining ores. The porous pipe may be buried beneath the surface of a pile of mined ore, providing a more even and uniform distribution of the leaching solution across the pile, increasing metal yields, reducing water consumption and eliminating pooling and ponding of the solution on the top of the piles as occurs with prior art drip line emitters. | 08-29-2013 |
| 20130249150 | COOLING SYSTEM FOR HOT-ROLLED STEEL STRIP - Provided is a cooling system for a hot-rolled steel strip capable of increasing the cooling rate for rapidly cooling a rolled steel immediately after rolling and suitable for an apparatus for manufacturing a hot-rolled steel strip having a fine-grained structure. For this purpose, guides ( | 09-26-2013 |
| 20160047009 | SYSTEM FOR THERMAL TREATMENT OF RAILS - A system thermally treats rails. The system has a cooling device for spraying a cooling medium onto a rail to be treated. The cooling device defines a cooling path for receiving the rail to be treated. A conveyor moves the rail to be thermally treated through the cooling path. A vertically displacing device for displacing at least one of the cooling devices for adjusting a position of the one cooling device relative to the rail to be treated. | 02-18-2016 |
| 266115000 | With means changing the shape of a treated object, e.g., roller means | 3 |
| 20100270715 | Apparatus for Manufacturing Molten Irons by Hot Compacting Fine Direct Reduced Irons - The present invention relates to an apparatus for manufacturing molten iron. The present invention provides an apparatus for manufacturing molten iron including a charge container receiving the supply of reducing material in which hot fine direct reduced iron from multiple fluidized-bed reactors are mixed; at least one pair of roller presses to which the fine direct reduced iron is supplied to undergo roll pressing, thereby producing continuous compacted material having lumped portions adjacent to each other; a crusher crushing the compacted material produced by the roller presses; and a melter-gasifier to which is charged crushed compacted material that is crushed by the crusher. Each of the pair of roller presses include pressed portions and protruded lines formed between the pressed portions. The pressed portions include first and second pressed portions opposing each other and first and second concave surfaces continuously formed on the first and second pressed portions along an axial direction of the at least one pair of roller presses, respectively. When viewed from a direction perpendicular to a plane centered between the first and the second pressed portions: (i) the first and second concave surfaces partially overlap each other, and (ii) the protruded lines are unaligned on the opposing first and second pressed portions. | 10-28-2010 |
| 20110037207 | HYBRID METHOD MANUFACTURING APPARATUS FOR TORSION BEAM - A hybrid method manufacturing apparatus for a torsion beam according to an exemplary embodiment of the present invention includes a pair of side punch molds where a semi-finished product material heated to approximately 880 to 800° C. is molded and a press mold where a cooling water circulation line decreasing the temperature of the processed finished product to approximately 750 to 450° C. while the semi-finished product material is molded to a processed finished product is installed, an advantage of high-temperature molding having high dimensional accuracy is maintained at the time of manufacturing the torsion beam and additional heat treatment such as tempering is selectively performed only when additional heat treatment such as tempering increases toughness because only a martensite structure is not formed in quenching treatment. | 02-17-2011 |
| 20150137433 | DEFORMATION CORRECTING DEVICE - A deformation correcting device to correct a deformation occurring in a ring shaped article, which has been heated, while the heated ring shaped article is cooled, includes a support table, on which the ring shaped article in a heated condition is placed; a pair of receiving rolls; a press roll provided in opposition to the pair of the receiving rolls with the ring shaped article intervening therebetween; a press roll drive mechanism for driving the press roll between an advanced position, at which the press roll is urged against the outer peripheral surface of the ring shaped article, and a retracted position, at which the press roll is separated away from the outer peripheral surface of the ring shaped article; and a press roll rotating mechanism for rotating the press roll then urged against the ring shaped article by the press roll drive mechanism. | 05-21-2015 |
| 266117000 | With means to prevent warping of treated object | 1 |
| 20140327193 | Press Quench Machine - This invention is an apparatus for cooling a metal object that has been heated above the curing point, such that as the metal object cools, it retains its original shape. | 11-06-2014 |
| 266120000 | By immersing an article to be treated in bath of molten material, e.g., salt bath | 1 |
| 20130277897 | STEEL WIRE TEMPERING LIQUID WIPING DEVICE - The present invention discloses a steel wire tempering liquid wiping device. The device comprises a shell. A thermal insulation layer is provided on an inner wall of the shell, and a steel wire inlet and a steel wire outlet are provided on the shell. A wiping fiber rack is installed in a wiping cavity, and a tempering liquid wiping fiber is installed on the wiping fiber rack and is high temperature resistant fibers. After tempering, the steel wires pass through the tempering liquid wiping fiber. At the bottom of the wiping fiber rack, a tempering liquid recovery device is arranged. A heating device is installed in the shell. The steel wires come out from a high temperature tempering furnace, and then enter the steel wire tempering liquid wiping device. | 10-24-2013 |
| 266121000 | With heating means, e.g., flame contact | 6 |
| 20140008847 | MANUFACTURING METHOD OF HIGH-STRENGTH AND HIGH-TOUGHNESS THIN STEEL AND HEAT TREATMENT APPARATUS - To provide a technique suitable for elevating strength and toughness of a thin low-carbon steel. By performing rapid heating and rapid cooling to a thin low-carbon steel which is an ordinary steel with a thickness of 1.2 mm or less, a steel where a microstructure becomes a duplex grain size structure mixed with crystal grains having different grain diameters, which is not homogeneous, preferably, hard phase structures are contained in addition to the duplex grain size structure is obtained, and a high-strength and high-toughness thin low-carbon steel is obtained. Further, by performing a heat treatment process involving rapid heating and rapid cooling multiple times, a duplex grain size structure of crystal grains with smaller grain diameters or a hard phase structure contained therein is obtained, so that a thin low-carbon steel with higher strength and higher toughness is obtained. | 01-09-2014 |
| 266122000 | By means treating metalliferous materials, e.g., ores | 1 |
| 20120326364 | PROCESS AND EQUIPMENT FOR THE PRODUCTION OF DIRECT REDUCED IRON AND/OR PIG IRON FROM IRON ORES HAVING A HIGH-PHOSPHORUS CONTENT - A process and apparatus for refining iron from high-phosphorus content iron ores. The process involves mixing a high-phosphorus iron oxide ore and an alkaline solution of pH between about 12.5 and 13.5, screening the mixture by gravity to separate an alkaline-high-phosphorus solution from a low-phosphorus iron ore; and treating the low-phosphorus iron ore with lime and a natural gas. | 12-27-2012 |
| 266128000 | By electric heating means | 3 |
| 20150322540 | APPARATUS AND METHOD FOR STRIPPING SOLDER METALS DURING THE RECYCLING OF WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT - Apparatuses and processes for recycling printed wire boards, wherein electronic components, precious metals and base metals may be collected for reuse and recycling. The apparatuses generally include a mechanical solder removal module and/or a thermal module, a chemical solder removal module, and a precious metal leaching module, wherein the modules are attached for continuous passage of the e-waste from module to module. | 11-12-2015 |
| 266129000 | Inductance type | 2 |
| 20150137434 | APPARATUS TO QUENCH A RING-SHAPED ARTICLE - An apparatus for quenching a ring shaped article includes a heating station for heating the ring shaped article to a quenching temperature; a primary cooling station for cooling the ring shaped article to a deformation correction initiating temperature; and a secondary cooling station for cooling the ring shaped article down to a temperature lower than a martensitic transformation point. The heating station includes a preheating station for heating by induction heating the ring shaped article to a predetermined preheating temperature near to the quenching temperature and a soaking station for heating the ring shaped article, which has been heated to the preheating temperature by the preheating station, to the quenching temperature within a continuous heating furnace. The preheating station includes a rotary table and a heating coil arranged to straddle between inner and outer peripheral surfaces of the ring shaped article. | 05-21-2015 |
| 20150354020 | INDUCTION HARDENING APPARATUS AND METHODS - An induction hardening apparatus and methods are provided. The induction hardening apparatus includes a feed line having first and second ends. A coil assembly is positioned between the first and second ends. The feed line includes a support arrangement for supporting two workpieces against one another and transferring the workpieces simultaneously through the coil assembly along a feed axis defined by the feed line. | 12-10-2015 |
| 266130000 | Having bath for contacting the work with liquid | 1 |
| 266133000 | Having means to move work through bath | 1 |
| 20110198786 | Method and device for the continuous creation of a bainite structure in a carbon steel, particularly in a strip steel - A method continuously creates a bainite structure in a carbon steel, especially a strip steel by austenitizing the carbon steel; introducing the austenitized carbon steel into a bath containing a quenching agent; adjusting the carbon steel to the transformation temperature for bainite and maintaining the transformation temperature for a certain period of time; and then cooling the carbon steel. The carbon steel stays in the bath until a defined percentage of the bainite structure relative to the total structure of the carbon steel has formed. Residues of the quenching agent are removed from the surface of the carbon steel by blowing the same off when the carbon steel is discharged from the bath, and the remaining structure components of the carbon steel are then transformed into bainite in an isothermal tempering station without deflecting the carbon steel at all. | 08-18-2011 |
