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| Number | Title | Issue Date |
| 6547898 | Method of making safe a heat treatment enclosure operating under a controlled atmosphere Method of making safe a heat treatment enclosure operating under a gas atmosphere, the said enclosure comprising a cooling chamber for rapidly cooling a metal strip running from an upstream chamber to a downstream chamber by means of a plurality of guide ... | 04/15/2003 |
| 6306336 | Apparatus and method of continuous sintering a web material An apparatus is disclosed for continuously sintering a web material with a sintering furnace. An input refractory drive unrolls a refractory material from an input refractory roll and feeds the refractory material upon a furnace conveyor of the furnace. A... | 10/23/2001 |
| 5949334 | Magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic A magnetostrictive element for use in a magnetomechanical marker has a resonant frequency characteristic that is at a minimum at a bias field level corresponding to the operating point of the magnetomechanical marker. The magnetostrictive element has a ma... | 09/07/1999 |
| 5866064 | Sealing apparatus for compartment inlet/outlet of atmosphere facility Elastic rotation rolls can be installed easily at optimal positions, and stable sealing performance can be attained for an extended period of time. Seal discs 47 are disposed at both ends of the roll shaft 46 of each elastic rotation roll 44 in the axial ... | 02/02/1999 |
| 5786762 | Magnetostrictive element for use in a magnetomechanical surveillance system A magnetostrictive element for use in a magnetomechanical article surveillance marker formed by first annealing an amorphous metal alloy, such alloy comprising iron and cobalt with the proportion of cobalt being in the range of about 5 to about 45 atomic ... | 07/28/1998 |
| 5683651 | Method and assembly for sealing up the entrance and exit of a heat-treating furnace operated in a gas atmosphere containing hydrogen gas A seal assembly of the invention located on entrance and exit sides of a heat treating furnace for a metallic strip. The seal assembly is formed of a housing having a furnace wall and a side plate, a seal sheet fixed at one end to the side plate and suppo... | 11/04/1997 |
| 5568125 | Two-stage annealing process for amorphous ribbon used in an EAS marker A two-step continuous annealing process is applied to an amorphous metal alloy ribbon. During the first annealing step, a saturating transverse magnetic field is applied, and the field is omitted during the second annealing step. After the two annealing s... | 10/22/1996 |
| 5551981 | Apparatus to galvanize a ferrous substrate A ferrous strip is galvanized by establishing an electrostatic potential on the strip which is then submerged on a fluidized bed of powdered galvanizing material and then allowing the adhered galvanized powder to be carried by the strip to a reflow statio... | 09/03/1996 |
| 5433420 | Device for the heat treatment of at least one metal wire with heat-transfer plates A device (100) for the heat treatment of at least one metal wire (1), chaterized by passing the wire (1) within at least one pair of thermal transfer plates (2, 2a, 2b) between two grooves (8, 8a, 8b) made in the two plates (2, 2a, 2b) of each of said pa... | 07/18/1995 |
| 5360203 | Floatation pressure pad for metal strips A pressure pad comprises a plenum chamber, adapted to be conneceted to a pressurized-fluid supply means, having a pair of parallel slit nozzles formed in a top wall, and the chamber is arranged underneath a path of a strip. The plenum chamber is provided ... | 11/01/1994 |
| 5089058 | Method and apparatus for high frequency heat-treatment of long continuous metal blanks The invention relates to a high frequency heat-treatment of long continuous metal blanks wherein the long continuous metal blanks are fed in their lengthwise direction by a pushing rod which is insensible to the high frequency to pass through a high frequ... | 02/18/1992 |
| 5089059 | Method and device for the heat treatment of metal straps A method and device (100) for heat treating a metal strap (1), characteri by passing the strap (1) within an enclosure (2) containing a gas (3) which is practically free of forced ventilation, in such a manner that a transfer of heat takes place between ... | 02/18/1992 |
| 5064173 | Process and device for the annealing treatment of metal strips An annealing treatment in a continuous furnace in which a flow of dense inert gas is injected in a rising duct and a descending duct, these flows being regulated by the analysis of hydrogen detected by a pressure controller acting on valves to achieve a m... | 11/12/1991 |
| 5032191 | Methods and devices for obtaining a homogeneous austenite structure A method and device for thermally treating at least one carbon steel wire such a way as to obtain a homogenous austenite structure, characterized by the fact that the wire is heated in a tube containing a gas which has practically no forced ventilation, ... | 07/16/1991 |
| 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 |
| 4983227 | Process and apparatus for heat-treating carbon steel wires to obtain a fine pearlitic structure Carbon steel wire, which has been maintained at a temperature above the Ac3 ransformation temperature, is heat-treated to obtain a fine pearlitic structure by passing it through a tube containing a gas practically without forced ventilation and surrounded ... | 01/08/1991 |
| 4919395 | Apparatus for heat treating a continuously moving metal wire Apparatus for heat treating a continuously moving metal wire (19) has at least two drum-like rotational body systems (5a, 5b) which are arranged in the heat-treatment area and around which the wire winds with several turns, and which, to avoid the relativ... | 04/24/1990 |
| 4917358 | Apparatus for producing electrical steel core laminations Core laminations are stamped from electrical steel strip and stress annealed by induction heating in a closed tubular chute inclined downwardly from the stamping press. A preselected, non-ambient atmosphere is maintained within the chute.... | 04/17/1990 |
| 4765598 | Apparatus for making electrode material from high hardness active materials A method and apparatus for making electrode material from high hardness active electrode alloy powder are disclosed. In one embodiment, the method involves feeding the powder onto a carrier web, aligning a mesh or screen substrate with the carrier web, an... | 08/23/1988 |
| 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 |
| 4691898 | Continuous annealing furnace for metallic strip A continuous annealing furnace for a metallic strip, wherein each of a direct firing type non-oxidizing furnace and a forced convection type preheating zone is vertically disposed, with an inlet portion of the former being connected to an outlet portion o... | 09/08/1987 |
| 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 |
| 4399984 | Automatic installation for the heat treatment of workpieces in fluidized beds Workpieces are heat treated in a fluidized bed contained within a vessel having a central well surrounded by helical ramps along which the workpieces move into and out of the bed. A perforated platform connects the ramp and movement of the workpieces alon... | 08/23/1983 |
| 4379547 | Continuous cold rolling and annealing apparatus for steel strip A continuous cold rolling and annealing apparatus for a steel strip so that interruption of a cold rolling mill part does not directly cause a continuous annealing furnace part to be interrupted, in which apparatus at least one cold rolling mill is locate... | 04/12/1983 |
| 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 |
| 4270959 | Method for the heat treatment of metal strip During the process in which a metal strip is moved in a floating condition, the metal strip is first heated, and thereafter cooled and annealed. In heating the metal strip, the metal strip is heated so that a central portion widthwise thereof is increased... | 06/02/1981 |
| 4168823 | Seals for the inlet and outlet of a continuous strip furnace A method and apparatus is disclosed for sealing the inlet and outlet of a continuous strip furnace so as to minimize oxygen infiltration into the furnace, prevent heat loss from the furnace and to make the seals readily accessible for repair and replaceme... | 09/25/1979 |
| 4096823 | Apparatus for metallization of fibers A method for decontaminating and subsequently metallizing a filament comprises: Passing the filament through the inner tube of a first chamber for decontamination which comprises two concentric tubes having an annular space therebetween, the inner tube of... | 06/27/1978 |
| 3950192 | Continuous carburizing method An improved method for continuously carburizing low carbon cold rolled coil stock is disclosed. The carburized product is characterized by the absence of proeutectoid ferrite. The method comprises heating low carbon steel stock in the austenitizing range ... | 04/13/1976 |
