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| Number | Title | Issue Date |
| 6096146 | Method for heat treating rolled stock and device to achieve the method Method for heat treating rolled stock leaving a rolling train (12), wherein the rolled stock (13) undergoes a rapid cooling treatment in a rapid cooling assembly (11) located immediately downstream of the last rolling pass, the first cooling step being fo... | 08/01/2000 |
| 5820704 | Process for the continuous production of a rolled stainless steel sheet strip and continuous production line for carrying out the process Process for continuously producing on a production line a rolled stainless steel sheet product having an improved surface state, characterized in that the hot produced sheet is subjected to a treatment comprising at least: a primary pickling for removing ... | 10/13/1998 |
| 5660650 | Method and apparatus for correcting the hardening deformation of annular elements In a method and an apparatus for correcting a hardening deformation of an annular element made out of steel, during the cooling stage of hardening, the annular element which still has an austenitic structure is subjected to working on either the outside o... | 08/26/1997 |
| 5463801 | Rolling mill coating equipment A coating system and method of using same for coating a hot rolling strip coil, such as zinc coating of steel strip, is disclosed. The coating system includes sequentially arranged coil uncoilers, a strip welder, a pickling tank, a heating and deoxidizing... | 11/07/1995 |
| 5456992 | Process for battery recycling Household sealed cell alkaline and zinc carbon batteries may be recycled for use in steel making as follows. The batteries are pulverized then run through an acidic bath to neutralize the alkaline electrolyte. Next the materials are rinsed, then dried and... | 10/10/1995 |
| 5186885 | Apparatus for cooling a traveling strip The present invention relates to an apparatus for cooling a traveling strip of heated material. The apparatus includes a cooling header comprising an external pipe having disposed therein a plurality of internal pipes having discharge holes. The external ... | 02/16/1993 |
| 5009395 | Method and apparatus for selectively heating a workpiece subjected to low temperature thermomechanical processing Process and apparatus are provided for selective heating a portion of a workpiece to achieve improved ausforming and isoforming processes when the workpiece is plastically deformed by mechanical working above the Ms temperature. The process and... | 04/23/1991 |
| 5009396 | Method and apparatus for the manufacture of formable steel strip In the manufacture of formable steel strip having a thickness between 0.5 and 1.5 mm, the following process steps are performed sequentially in a continuous process: (a) in a continuous casting machine forming liquid steel into a hot slab having a thickne... | 04/23/1991 |
| 4984770 | Apparatus for partial tempering of rolled wire products made of steel The partial tempering of rolled wire (WD) takes place in a quenching chamber (2), which is disposed following the winding layer (1). Thus work can proceed at the typical rolling speeds of up to 120 m/s, and the annular disposition of the wire in the quenc... | 01/15/1991 |
| 4826138 | Apparatus for heat treating steel plates A method and apparatus for heat treating steel plates subject to longitudinal length distortion wherein the plate at a temperature of the critical temperature of the steel passes through leveling rolls to remove the length distortion and immediately there... | 05/02/1989 |
| 4592537 | Apparatus for heat treating and sizing thin walled articles Thin walled broached parts are heat treated from manufactured dimensions to predetermined dimensions through control of heating, cooling and pressurization parameters during the heat treating cycle.... | 06/03/1986 |
| 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 |
| 4488710 | Apparatus for optimizing the cooling of a generally circular cross-sectional longitudinal shaped workpiece An apparatus for distributing curtain walls of coolant around a passing hot rolled, extruded, or drawn round, metal article, and optimizing the cooling thereof. A circular liquid coolant header comprises an enclosure divided into two abutting annular comp... | 12/18/1984 |
| 4459164 | Method and apparatus for compensating for axial deformation of screw shafts due to heat treatment A method and apparatus for compensating for axial deformation of screw shafts due to heat treatment, wherein in the process of hardening of a screw shaft, the screw shaft is twisted to produce permanent twist deformation by an amount corresponding to the ... | 07/10/1984 |
| 4407486 | Method and apparatus of hot working metal with induction reheating This invention relates to a process and apparatus for hot working metals whereby a finer and more uniform grain structure is produced in the wrought product. In conventional hot working operations, the workpiece is initially heated to an elevated temperat... | 10/04/1983 |
| 4383677 | Blade fabricating process A process and apparatus for cleanly and efficiently fabricating winged lawn mower blades from unfinished milled blade blanks. The unfinished blades are positioned in a magazine and fed one after the other to a heating station where they are inductively he... | 05/17/1983 |
| 4375884 | Apparatus for the controlled cooling of wire rod from its rolling temperature Apparatus for cooling rolled wire rod consists of a first part which guides the wire rectilinearly and cools it with water, a turn-laying unit which forms the wire into turns and lays the turns in staggerred disposition on a continuously running conveyor,... | 03/08/1983 |
| 4371149 | Apparatus for cooling sheet steel by water spraying Cooling water is sprayed under a predetermined pressure range and at a predetermined discharge rate over the both surfaces of a sheet to be treated which is reciprocated lengthwise at such a velocity that the product of the reciprocating velocity and thic... | 02/01/1983 |
| 4330112 | Apparatus for cooling a steel strip in a continuous annealing line Method and apparatus for cooling a steel strip in a continuous annealing line, which has a first cooling step in which the steel strip immediately after an overageing treatment is cooled from the overageing temperature to a temperature in the range of fro... | 05/18/1982 |
| 4294098 | Apparatus for manufacturing steel spring leaves The present invention relates to an apparatus for manufacturing steel spring leaves. The apparatus incorporates successively arranged entry guide rollers with an inductor in-between, bending rollers, a cooler and exit guide rollers. An additional inductor... | 10/13/1981 |
| 4245819 | Apparatus for stabilizing springs In a method of treating a coil spring to improve its performance and reliability when operating at elevated temperatures, the spring is first stressed by applying a load of preselected magnitude and then, while the load is maintained, the spring is heated... | 01/20/1981 |
| 4236699 | Apparatus for wet-post treatment of metallized iron ore An apparatus and process for treatment of metallized iron ore produced by direct reduction techniques principally for use in various iron and steelmaking furnaces. The apparatus and process receives the product from a direct reduction facility consisting ... | 12/02/1980 |
| 4201602 | Rail hardening machine and method A technique for heat treating the upper surface of the head of an in situ rail is disclosed. A car carrying an induction heater followed by an air quencher and then an air and water quencher is passed along the track. In this way the upper surface of the ... | 05/06/1980 |
| 4198994 | Device for mounting rollers in a machine for treating metal sheets or the like The device enables the machine to undergo without damage the passage of deformed metal sheets or metal sheets whose thickness exceeds the gap between the rollers of the machine. For this purpose, the upper rollers carried by an upper frame of the machine ... | 04/22/1980 |
| 4098495 | Method of and apparatus for quenching sheet metal In the quenching of sheet metal, the sheet metal is passed through a stream of quenching fluid in the form of an aerosol and which is caused to flow in a direction perpendicular to the direction of passage of the metal sheet and parallel to the general pl... | 07/04/1978 |
| 3972744 | Method of and means for making lightweight, low cost impact resistant bumpers Bumper bars are shaped from easily workable relatively thin gauge sheet or strip steel into bumper bar shell profile provided with a horizontally elongated body portion and spaced apart integral upper and lower flanges of substantial width extending freel... | 08/03/1976 |
| 3932238 | Method and apparatus for quenching pipe A pipe is heated with its longitudinal axis positioned vertically and then lowered from a furnace. As the pipe emerges from the furnace, it engages an inner ring of rollers and an outer ring of rollers which press against the hot pipe to shape it into a r... | 01/13/1976 |
