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| Number | Title | Issue Date |
| 6933509 | Apparatus and method using fractionated irradiation to harden metal The present invention provides an apparatus for hardening a metal article, comprising a holding device, an energy beam generator pointed at the holding device for directing energy beams at the holding device, and a cycling system supporting the holding device, where... | 08/23/2005 |
| 6764641 | Plant for producing a metal band with protection A plant which produces a metal band having a protective coating includes a series of treatment sections positioned one after another in a continuous line. The plant includes two coating sections, respectively, a galvanization section and a painting section, in which... | 07/20/2004 |
| 6761851 | Apparatus and method for hardening metal by varying the engagement between irradiation and metal The present invention provides an apparatus for hardening a metal article, comprising a holding device, an energy beam generator pointed at the holding device for directing energy beams at the holding device, and a movement system supporting the holding device, wher... | 07/13/2004 |
| 5339329 | Induction heated meniscus coating vessel A shallow vessel (50,52) for being horizontally disposed when containing a molten metal or metal alloy (66) for meniscus coating one side of a clean metal strip (34A) when the strip is moved vertically past one side of the vessel. The vessel includes a sh... | 08/16/1994 |
| 5174822 | Steel strip annealing and coating apparatus A continuous hot dip galvanizing line for coating steel strip includes a continuous annealing furnace for annealing the strip before discharging the strip directly into the molten coating metal and a broad based bridle is located in the final cooling zone... | 12/29/1992 |
| 5076549 | Continuous dip-plating apparatus for steel strip A continuous dip-plating apparatus for a steel strip has a pot containing a metal melt which forms a plating bath, a device for causing the steel strip to run through the plating bath such that the steel strip makes a turn around a sink roll in the platin... | 12/31/1991 |
| 4890820 | Heating apparatus for a metallic strand A method for heating a metallic strand 16 such as a wire or strip comprises passing the strand 16 along a metallic tube 4 which is filled with molten metal 13, the tube wall being heated by a furnace chamber 3 through which the tube 4 extends.... | 01/02/1990 |
| 4818303 | Method and apparatus for settling sludge A method and apparatus for improved settling and handling of sludge in a fused salt bath for treating materials is provided. The apparatus includes a tank divided into a work zone and a salt processing zone, with the salt processing zone having a salt rec... | 04/04/1989 |
| 4760995 | Continuously treating line for steel bands having a heating furnace by directly flaming This invention relates to a continuously treating line for a steel band, having a heating furnace by directly flaming. For heating the steel band with causing reduction, the heating furnace of directly flaming system is provided with a plurality of heatin... | 08/02/1988 |
| 4436292 | System for the treatment of a continuous metal web A system for the treatment of continuous metal webs facilitates both continuous annealing and hot-dip coating operations interchanging from annealing to a combined annealing and coating, and vice-versa. The system has an annealing station common to both o... | 03/13/1984 |
| 4431168 | Apparatus for improved heat treatment of elongated aluminum alloy materials A method and apparatus for heat treating and especially annealing of elongate metallic materials such as wire wherein the wire (24) given a longer length exposure to complete the heat treatment of the wire at higher line speeds. This is accomplished eithe... | 02/14/1984 |
| 4390377 | Novel continuous, high speed method of galvanizing and annealing a continuously travelling low carbon ferrous wire A continuous, high speed method of galvanizing and annealing a continuously travelling low carbon ferrous wire to provide a highly corrosion resistant, more ductile wire having a bright silvery luster comprising, (a) passing a continuously travelling low ... | 06/28/1983 |
| 4330111 | Multi-purpose in-line direct heat treating equipment for hot rolled steel wire rod Multi-purpose in-line direct heat treating equipment for hot-rolled steel wire rod has, in combination, a front stage transport conveyor portion and a holding furnace both positioned on a front traveling skid carriage, a quenching tank and a holding tank ... | 05/18/1982 |
| 4273591 | Method and apparatus for prevention of clogging of exhaust systems A method and apparatus is disclosed for prevention of clogging of exhaust systems, especially the exhaust hoods and ducts above fused salt baths onto which salts splatter as they are being added by spraying from aqueous solutions. A fluid tight jacket sur... | 06/16/1981 |
| 4249720 | Apparatus for the continuous treatment of metal objects An apparatus for the continuous heat treatment of elongated metal objects, especially wire, by contacting the same with molten metal, usually lead, whereby a preheating tray containing the molten metal is followed by a quenching tray with a second bath th... | 02/10/1981 |
| 4205829 | Steel wire patenting equipment Equipment for patenting steel wires, comprising preheating and patenting tanks for processing the wires along substantially horizontal and straight-line paths, an electrical potential being applied to end plates in at least some tank sections, the plates ... | 06/03/1980 |
| 4093472 | Apparatus for cleaning strip A strip is continuously passed through a molten salt bath in a main tank having a central longitudinal baffle providing passageways at each end thereof. A sink guide roll is provided for the strip at the exit half of the tank. A heating tank is located al... | 06/06/1978 |
| 4078942 | Method and apparatus for cleaning strip in a molten salt bath Strip is cleaned by passing it through a molten salt bath in a rectangular tank having U-shaped heating tubes arranged horizontally along each longitudinal side of the tank. Agitators positioned within L-shaped ducts at diagonally opposite corners of the ... | 03/14/1978 |
| 4066477 | Method of maintaining temperature of salt bath during quenching of steel wire A fluid is admitted into a bath having a certain temperature. The temperature of the fluid is different from that of the bath. The fluid travels through the bath so that heat transfer occurs between the bath and the fluid while, at the same time, the bath... | 01/03/1978 |
| 4056703 | Process and apparatus for resistance heating of electrically conductive workpieces Elongated electrically-conductive workpieces such as bars, strips and wire, are resistance heated by passing an electric current through a length of the workpiece between a pair of spaced contacts. The contacts are electrically-conductive molten metal or ... | 11/01/1977 |
| 4011110 | Method and apparatus for forming and treating bundles of steel rods A hot steel rod which issues from the last pass of a rod mill is coiled at a level above a bath of molten salt and successive coils are caused to descend in the bath toward a platform on which they accumulate to form a bundle. The coils are out of contact... | 03/08/1977 |
| 4003763 | Method of and plant for patenting steel wire bundles Method of and plant for patenting steel wire bundles, according to which a cooling vat is heated by a heating fluid to a temperature of e.g. 500° C considered as cooling temperature for patented steel wire bundles. Into this cooling vat is then introduce... | 01/18/1977 |
| 3930846 | Method for precipitating copper metal from copper bearing solutions Precipitating copper metal from copper bearing solutions using scrap iron as a precipitant to form free copper metal precipitate. The scrap iron is retained in an unflooded bed in a container having a rotatable nozzle for spraying the copper bearing solut... | 01/06/1976 |
