Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8182621 | Method of hot-rolled thin steel sheet with excellent formability and excellent strength and toughness after heat treatment A method of manufacturing a hot-rolled thin steel sheet includes: hot-rolling a steel base material having a composition containing, as mass %, C: 0.10 to 0.20%, Si: 0.01 to 1.0%, Mn: 0.5 to 2.0%, P: 0.03% or less, S: 0.01% or less, Al: 0.01 to 0.10%, N: 0.005% or l... | 05/22/2012 |
| 7367208 | Coil winding method for metal in bars Coil winding method for steel bars providing, at the outlet of the rolling mill (2), cooling stages by means of WB (4′, 4″, 4′″) and equallsation in air so as to perform “soft” hardening on the bar which generates a microstructure consistin... | 05/06/2008 |
| 7311789 | Dual phase steel strip suitable for galvanizing Dual phase steel sheet is made using a time/temperature cycle including a soak at about AC1+45° F. to AC1+135° F. and a hold at 850-940F, where the steel has the composition in weight percent, carbon: 0.02-0.20; aluminum: 0.010-0.150; titaniu... | 12/25/2007 |
| 7204894 | Annealing of hot rolled steel coils with clam shell furnace Disclosed is a high temperature annealing furnace for hot rolled steel coils. The furnace of the present invention pivotably rotates about a pivot member between an opened and closed position. Prior to the annealing step, the hot rolled steel coils are placed within... | 04/17/2007 |
| 7115304 | High throughput surface treatment on coiled flexible substrates One or more substrates may be coiled into one or more coils in such a way that adjacent turns of the coils do not touch one another. The one or more coiled substrates are placed in a treatment chamber where substantially an entire surface of the one or more coiled s... | 10/03/2006 |
| 6982012 | Method of manufacturing steel sheet having excellent workability and shape accuracy A method of manufacturing a high strength steel sheet containing, in mass %, C: 0.02 to 0.04%, Si: at most 0.4%, Mn: 0.5-3.0%, P: at most 0.15%, S: at most 0.03%, Al: at most 0.50%, N: at most 0.01%, and Mo: 0.01-1.0%. The method includes performing hot rough rollin... | 01/03/2006 |
| 6887590 | Galvannealed metal sheet and method for manufacture of such metal sheet The present invention relates to a method for the manufacture of galvannealed metal sheet, wherein a hot strip is produced from an IF steel containing 0.01 to 0.1 wt. % silicon, wherein the hot strip is coiled at a coiler temperature no lower than 700° C. and no hi... | 05/03/2005 |
| 6855218 | Method for producing a hot-rolled strip The invention relates to a method for producing hot strip which features good forming ability and increased strength. This is achieved in that a hot strip (W) which is produced in particular from continuous casting in the shape of reheated slabs or slabs obtained di... | 02/15/2005 |
| 6821364 | Method of making a multiphase hot-rolled steel strip The invention concerns a method for making a multiphase hot-rolled steel strip comprising an ultra-fast cooling operations, which consists in carrying out said ultra-fast cooling operation after controlled slow cooling of the strip on a conventional slow cooling tab... | 11/23/2004 |
| 6776857 | Method and device for manufacturing a hot rolled steel strip The present invention provides an effective method for mechanically removing iron oxide films formed on the surfaces of a hot rolled steel strip with a high temperature. The method comprises the steps of: maintaining a steel strip coil at a high temperature of 400°... | 08/17/2004 |
| 6767417 | Steel sheet and method for manufacturing the same The present invention relates to a steel sheet that consists essentially of 0.10 to 0.37% C, 1% or less Si, 2.5% or less Mn, 0.1% or less P, 0.03% or less S, 0.01 to 0.1% sol.Al, 0.0005 to 0.0050% N, 0.0003 to 0.0050% B, by mass, and balance of Fe, [14B/(10.8N)] bei... | 07/27/2004 |
| 6682612 | Method of heat treatment of wire A method of heat treatment of wire including cooling the wire stock immediately after the stock leaves the rolling heat region to a temperature below the starting temperature of martensite formation and, thereafter, forming wire coils.... | 01/27/2004 |
| 6679957 | Process for thermal treatment of steel strip In the thermal treatment of continuous-cast or hot-rolled steel strip, by using particular solutions regarding the choice of the strip rolling temperatures, the transfer times from the coiler to the furnace, as well as specific process steps in annealing,... | 01/20/2004 |
| 6638380 | Method for making a cold rolled steel strip for deep-drawing A method for making a low carbon and low manganese cold rolled steel strip for deep-drawing whereby a steel strip hot rolled in the austenistic region coiled at the end of the high temperature hot rolling process (680° C. | 10/28/2003 |
| 6634073 | Continuous production facilities for wire The present invention relates a train of in-line continuous manufacturing equipment for producing steel wire, considered difficult with a block mill up to now, capable of efficiently carrying out controlled-rolling and slow-cooling by an effective in-line... | 10/21/2003 |
| 6627005 | High fatigue-strength steel wire and spring, and processes for producing these A steel wire of pearlite structure containing 0.8-1.0 mass % of C and 0.8-1.5 mass % of Si is disclosed. In the cross section of the steel wire the average hardness in a region up to 100 μm from the surface thereof is at least 50 higher that that in a de... | 09/30/2003 |
| 6586117 | Steel sheet having excellent workability and shape accuracy and a method for its manufacture A steel for forming a high strength steel sheet contains, in mass %, C: at most 0.04%, Si: at most 0.4%, Mn: 0.5-3.0%, P: at most 0.15%, S: at most 0.03%, Al: at most 0.50%, N: at most 0.01%, and Mo: 0.01-1.0%. Steel sheet formed from the steel is suitabl... | 07/01/2003 |
| 6506268 | High toughness amorphous alloy strip and production thereof A process of producing a high toughness iron-based amorphous alloy strip, using a single roll liquid quenching method, the strip having a thickness of more than 55 μm up to 100 μm and a width of 20 mm or more and having a fracture strain &3xb5;f | 01/14/2003 |
| 6473991 | Apparatus to transport and cool rolled products such as rods, wires, round pieces or similar Apparatus to transport and cool rolled products such as bars, round pieces, rods or similar, arrangable downstream of a coil-forming head, comprising a plurality of transport rollers, at least partly motorized and parallel to each other to define a substa... | 11/05/2002 |
| 6440584 | Hot-dip galvanized steel sheet and method for producing the same A hot-dip galvanized steel sheet is produced by rough rolling a steel, finish rolling the rough rolled steel at a temperature of Ar3 point or more, coiling the finish rolled steel at a temperature of 700° C. or less, and hot-dip galvanizing the coiled st... | 08/27/2002 |
| 6299825 | Wire take-up mechanism A process and apparatus is provided for forming spring wire into coils. A take-up block with a peripheral surface receives convolutions of wire as it is rotated. At least one pinch roll confines convolutions of the spring wire to the peripheral surface. T... | 10/09/2001 |
| 6291079 | Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct The invention concerns a method for manufacturing steel wire comprising the following steps: manufacturing a reinforcing wire of sizeable length by rolling or hot wire drawing from steel containing the following elements: 0.18% to 0.45 % C, 0.4% to 1.8% M... | 09/18/2001 |
| 6264769 | Coil area for in-line treatment of rolled products Apparatus for the production and heat treatment of coiled elongated metal product of relatively small cross section, such as rods, bars and wire-rod material, is described. The elements required for the conduct of a variety of heat treatments can be perfo... | 07/24/2001 |
| 6106638 | Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained The subject of the invention is a process for manufacturing ferritic stainless steel strip, in which a strip of a ferritic stainless steel, of the type containing at most 0.12% of carbon, at most 1% of manganese, at most 1% of silicon, at most 0.040% of p... | 08/22/2000 |
| 6103310 | Method to prevent the sticking of metallic sheets during a thermal treatment Method comprising a thermal treatment step proper during which said sheets are in contact with a part of their surface (that is they are, for example, coiled or in tight packets) and a step of preliminary treatment of these surfaces by means of an aqueous... | 08/15/2000 |
| 6099665 | Method for producing Cr-Ni type stainless steel thin sheet having excellent surface quality This invention aims at producing a cold rolled thin sheet having excellent surface quality from a cast strip of a Cr--Ni type stainless steel cast strip by a thin casting method. The production method of the invention comprises the steps of continuously c... | 08/08/2000 |
| 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 |
| 6053996 | Method for the manufacture of a strip of formable steel A method for the manufacture of a strip of formable steel comprises the steps of (i) forming liquid steel by continuous casting into a slab having a thickness of not more than 100 mm, (ii) rolling the slab in the austenitic region into an intermediate sla... | 04/25/2000 |
| 6030714 | Zinc and zinc-alloy hot-dip-coated steel sheet having decreased bare spots and excellent coating adhesion and a method for manufacturing the same A zinc and zinc-alloy hot-dip-coated steel sheet and an alloyed zinc and zinc-alloy hot-dip-coated steel sheet, and a method for manufacturing these steel sheets, which steel sheets are used for automobiles. A zinc and zinc-alloy hot-dip-coated steel shee... | 02/29/2000 |
| 5980662 | Method for batch annealing of austenitic stainless steels Methods are provided for annealing coils of austenitic stainless steels through the use of a batch annealing process. The preferred methods involved selecting compositions of austenitic stainless steel alloys having a sufficiently low weight percentage of... | 11/09/1999 |
| 5902422 | Ferritic coiling of wire or bar steel A method of coiling or placing bar steel or wire in coils, wherein the rolling stock is reeled from rolling heat in a basket or is placed by a coiler in the form of coils onto a conveyor and is collected at the end of the conveyor over a mandrel into a co... | 05/11/1999 |
| 5876522 | Process and device for inline pickling of hot strips downstream of thin-slab production installations A process for pickling a strip which is produced in a thin slab installation and subsequently hot-rolled, especially a low-carbon steel strip, in a continuous process immediately following the rolling process. The process includes the following sequence o... | 03/02/1999 |
| 5871596 | Apparatus and method for cooling hot rolled steel rod A laying head forms hot rolled steel rod into a continuous series of rings. The rings are received on a conveyor for transport in an overlapping pattern through at least one cooling zone. The ring density of the overlapping pattern is greater along edge r... | 02/16/1999 |
| 5833778 | Apparatus and method for the manufacture of DR steel strip Apparatus and method for manufacture of DR (Double Rolled) steel strip in which a continuous annealing furnace is arranged for annealing of cold-reduced steel strip passing continuously through said furnace, and a rolling mill for cold-rolling of steel st... | 11/10/1998 |
| 5725696 | Process and plant for production of raw stainless steel castings The invention refers to a process for production of raw stainless steel castings, in particular for stainless steel strip, covering rolling and annealing of cast material if required, as well as de-scaling, in particular by pickling in aqueous media, and ... | 03/10/1998 |
| 5700424 | System for preparing aluminum alloy strip having improved formability and bake hardenability A system for heat treating a rolled strip of Al--Mg--Si alloy includes a primary heating zone for solution treating the strip at 480° C. or higher, a first cooling zone for cooling the strip at a rate of at least 100° C./min. to 100° C. or lower, a sec... | 12/23/1997 |
| 5665303 | Arrangement for heat treatment of steel wire In an arrangement for heat treatment of steel wire, the wire, after emerging from a continuous wire rolling mill, is placed by a laying head onto a horizontal conveyor and is transported on the horizontal conveyor in the form of a row of successive and ov... | 09/09/1997 |
| 5578149 | Radially expandable stent The present invention is directed to an expandable stent for use in blood vessels. The length of the stent after expansion is substantially the same as the stent length before expansion. The stent is annealed at high temperatures to permit stent deformati... | 11/26/1996 |
| 5529644 | Stainless steel and carbon steel composite and method of producing the same A pressure-bonded composite material includes at least one layer of a stabilized low carbon steel core material and one layer of a stainless steel joined at an interface, wherein the stabilized carbon steel includes columbium (niobium) and at least one ot... | 06/25/1996 |
| 5505796 | High yield ratio-type, hot rolled high strength steel sheet excellent in formability or in both of formability and spot weldability, and production thereof A high yield ratio-type, hot rolled high strength steel sheet excellent in both formability and spot weldability, containing not less than 5% of retained austenite, and a process for producing the same are provided. The steel sheet contains 0.05 to less t... | 04/09/1996 |
