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| Number | Title | Issue Date |
| 7445746 | Temperable member A temperable member manufacturable in a low cost and flexible manner to make possible a locally discriminating tempering process. The temperable member is formed from at least two modules joined to each other. At least one of the modules is formed as a one-piece ele... | 11/04/2008 |
| 6368428 | Method of adjusting two shielding elements and an associated assembly A method of adjusting two shielding elements and including transporting a metal strip on a roller table, shielding a cooling medium from the edge regions of the metal strip with adjusting shielding elements, and adjusting the shielding elements asymmetric... | 04/09/2002 |
| 6174389 | Fixture and method for selectively quenching a predetermined area of a workpiece An apparatus and method for excluding specific areas of a workpiece from quenching during a heat treat process. A workpiece, having preselected areas to be quenched, is positioned in a manner so that quench sprays are aimed toward the surface to be quench... | 01/16/2001 |
| 5553106 | Residual stress improving method for members in reactor pressure vessel Low temperature water in a low temperature water tank 12 installed outside a reactor pressure vessel 9 is pumped by a high pressure pump 15 and supplied through a conductor 17 under pressure. The supplied water is ejected, as a stream of cold water jet 8,... | 09/03/1996 |
| 5526652 | Method and plant for rapidly cooling a product rolled in a hot rolling mill A method for rapidly cooling a product rolled in a rolling mill, for example wire rod fed along a roller conveyor, consists of blasting said product with an air stream in which atomized water is dispersed.... | 06/18/1996 |
| 5390900 | Metal strip cooling system An apparatus and method for cooling a metal strip, the apparatus having a header that receives and directs a curtain of water across the strip, a water collector on one side of the curtain of water and a source of air on the opposite side of the curtain o... | 02/21/1995 |
| 5284327 | Extrusion quenching apparatus and related method Apparatus for cooling a metal extrusion, such as an aluminum extrusion, may include a carriage which houses the cooling liquid delivery system and is relatively movable with respect to the extrusion press in order to provide the desired amount of air cool... | 02/08/1994 |
| 5191778 | Process for producing thin-webbed H-beam steel A thin-webbed H-beam steel having a web thinner that flanges is produced by forcibly water cooling the outer surface of the flanges during an intermediate hot rolling prior to a final hot rolling by cooling to less than 700° C., interrupting the cooling ... | 03/09/1993 |
| 4893789 | Method and apparatus for hardening cam lobes on a camshaft A method and apparatus for inductively heating in an inductor and quench hardening the finished ground cam lobes of steel camshafts to a uniform shallow pattern depth with minimal lobe surface deformation. The inductor is shaped to correspond to the conto... | 01/16/1990 |
| 4767473 | Method for improving the dynamic strength of wheel disks of vehicle wheels made of heat-treatable aluminum alloys A vehicle wheel formed of a heat treatable aluminum alloy and including an axially center area and opposite axially end areas is subjected to a solution heat treatment and then is cooled in a controlled manner to improve the dynamic strength of the wheel.... | 08/30/1988 |
| 4652309 | Sonic method and apparatus for heap leaching A liquid impervious covering such as a plastic membrane or a concrete flooring is installed over an extensive substantially level area of ground and mined metal ore heaped onto this covering to form a mound. A leachant liquid solution is poured onto the o... | 03/24/1987 |
| 4611789 | Apparatus for the production of improved railway rails by accelerated cooling in line with the production rolling mill Railroad rails having improved wear resistance, are produced by controlled forced cooling from above the austenite transformation temperature, to produce rails having a fine pearlite metallurgical structure in the head portions of the rails. Apparatus com... | 09/16/1986 |
| 4591133 | Cooling apparatus for thick steel plate A cooling apparatus for uniformly cooling a thick steel plate in order to obtain a very flat thick steel plate constituted by a cooling water supply apparatus provided with more than two header systems by which a desired water volume crown is given in the... | 05/27/1986 |
| 4580972 | Heating apparatus and method Apparatus for heating a plastic pipe 18 or the like comprises a body portion having inner and outer parts 1,2 defining therebetween an annular cavity 3 which receives the end of the pipe. In use of the apparatus, hot fluid is pumped through the cavity 3 v... | 04/08/1986 |
| 4575054 | Apparatus for quenching steel pipes An apparatus is provided for quenching a hollow-bodied piece of steel with an opening at each end thereof, such as a steel pipe, which comprises exterior and interior quenching means. The exterior quenching means includes means for directing a cooling med... | 03/11/1986 |
| 4573667 | Apparatus for quenching substantially flat workpieces An apparatus for rapidly quenching substantially flat metal workpieces which have been heated during a heat treatment process is disclosed. The apparatus comprises a substantially flat plate having a plurality of vapor relief apertures therein, a wick ele... | 03/04/1986 |
| 4504042 | Apparatus for heat treating steel A process is provided for heat treating steel in which each segment of a piece of steel is quenched in a quenching zone by directing the flow of a sufficient amount of a cooling medium against a surface of each segment to lower the temperature of the segm... | 03/12/1985 |
| 4486009 | Apparatus for cooling sheet metal panels Apparatus for cooling sheet metal panels has an elongated channel bounded by two side walls, a longitudinally slotted top wall and a longitudinally slotted bottom wall. These walls are immersed in a liquid containing vessel and the latter contains sets of... | 12/04/1984 |
| 4473532 | Ore leaching structure Ore leaching structure including a base portion, a shelter portion, a transfer portion and a treatment portion; the base portion including a peripheral concrete foundation, concrete wall sections extending upwardly therefrom, a concrete floor section exte... | 09/25/1984 |
| 4461462 | Apparatus for cooling steel pipe A method and apparatus for cooling at least the inside of steel pipes. Cooling is effected while restraining the radial displacement of a pipe at a point not more than 500 mm, or preferably not more than 250 mm, away from each end of the pipe and at inter... | 07/24/1984 |
| 4440584 | Method and apparatus for cooling steel sheet A method and an apparatus for cooling a steel sheet, which comprises: ejecting cooling water onto a steel sheet laid horizontally from above and from below said steel sheet immediately after the completion of hot rolling to cool said steel sheet; shieldin... | 04/03/1984 |
| 4428563 | Apparatus for spot annealing tubing In the manufacture of tubing, and particularly finned tubing, for use by the heat transfer industry in the manufacture of heat exchangers, annealed ends and lands are desirable in certain applications to facilitate the assembly of the tubes to headers and... | 01/31/1984 |
| 4240616 | Apparatus for heat-treating metallic material In the heat treatment (quenching treatment, tempering treatment, etc.) of long metallic material, such as, large diameter steel pipe or the like, in order to stabilize the speed of travel of the material through a heat treating zone, i.e., a zone includin... | 12/23/1980 |
| 4057230 | Die quench machine and method The invention is concerned with a horizontally closing die quenching apparatus and with a method for die quenching. The apparatus comprises a pair of relatively movable opposed substantially vertical platens each supporting a plurality of die blocks, the ... | 11/08/1977 |
| 4033737 | Method of cooling a steel material without deformation When a concavity-shape part is formed in the center of skid material and cooling mechanism is arranging in the concavity-shaped hole, a steel material, e.g. slab, bloom or the like, can be cooled without any of deformation of said material.... | 07/05/1977 |
| 3998084 | Cooling spray system for rolling mill Rolling mills require uniform temperature control across the width of the sheet in order to roll a flat metal sheet of uniform gauge. This invention provides a rolling mill with spray nozzles that operate in groups to maintain substantially uniform temper... | 12/21/1976 |
| 3958796 | Quench-hardening of pipes Large diameter pipes are moved past a preheater, an induction heater, prequench nozzles, a sizing mill and post quench nozzles. An inside quenching head is mounted on a support tube, held against the inside wall of a pipe by rollers right at the sizing st... | 05/25/1976 |
