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| Number | Title | Issue Date |
| 7166174 | Bundle drawn stainless steel fibers The invention relates to stainless steel fibers obtained by bundled drawing of stainless steel wires embedded in a matrix material. The composition of the stainless steel fibers comprises iron and the following components expressed in percent by weight: C £ 0.05%, ... | 01/23/2007 |
| 7119329 | Method of preparing and reconditioning an electrode of mass spectrometer In a mass spectrometer, an ion of a sample gas is produced in an ion source by colliding the gas with an electron beam, and is introduced into a magnetic field or an electric field. The ion is separated based on the mass number, and the sample is analyzed from a mas... | 10/10/2006 |
| 6896747 | Austenitic alloy for heat strength with improved pouring and manufacturing, process for manufacturing billets and wire Austenitic alloy for high-temperature strength with improved pourability and manufacturing, of which the composition comprises, in weight-%: 0.010% | 05/24/2005 |
| 6780261 | Method of manufacturing an implantable stent having improved mechanical properties A metallurgical process for producing a metallic implantable medical device, such as a stent, in a condition wherein the metallic alloy of the device has improved mechanical properties. The starting material is formed into an oversized tube which is drawn to finishe... | 08/24/2004 |
| 6699603 | Stainless steel having passive fluoride film formed thereon and equipment manufactured therefrom A stainless steel with a passive state fluorinated film formed thereon, which is easy to construct and does not produce particles even when it is welded, and a device using the same. The stainless steel does not cause leakage even when said film is formed... | 03/02/2004 |
| 6440579 | Process for producing a drawn wire made of stainless steel, in particular a wire for reinforcing tires, and wire obtained by the process Process for producing a drawn wire, in particular a wire for reinforcing tires, having a diameter of less than 0.3 mm by drawing a base wire rod having a diameter of greater than 5 mm or a predrawn base wire made of steel with the following composition by... | 08/27/2002 |
| 6383316 | Cold drawn wire and method for the manufacturing of such wire Through electro slag refining of a bloom of a stainless, precipitation hardenable stainless steel of 17-7 PH type, the fatigue resistance of springs made of cold drawn wires of said material is increased substantially. This depends on the fact that large ... | 05/07/2002 |
| 6374477 | Method for working input shaft for toroidal-type continuously variable transmission After heat treatment for hardening the outer peripheral surface of the input shaft 15 is enforced, a straightening operation for straightening the bent portions of the input shaft 15 caused by the heat treatment is carried out prior to formation of the th... | 04/23/2002 |
| 6106639 | Stainless steel wire and process of manufacture Stainless steel wire of diameter smaller than 2 mm and with a tensile strength greater than 2100 MPa, consisting of a steel whose chemical composition includes, by weight: 0%ࣘCࣘ0.03%, 0%ࣘMnࣘ2%, 0%ࣘSiࣘ0.5%, 8%ࣘNiࣘ9%, 17%ࣘCrࣘ18%, 0%... | 08/22/2000 |
| 6048416 | Steel, steel wire, and process for forming drawn wire of steel Steel, steel wire, and a process for forming a drawn wire, especially tire-reinforcing wire of diameter smaller than 0.4 mm, by drawing a steel of the following composition by weight: 0.005%ࣘcarbonࣘ0.050%; 0.005%ࣘnitrogenࣘ0.050%; 0.1%ࣘsilic... | 04/11/2000 |
| 5833771 | Stainless steel wire for reinforcing the crown of tires A stainless steel wire for reinforcing the crown (1) of tires (100), comping at least 0.02% and at most 0.2% carbon, at least 6% and at most 10% nickel, at least 16% and at most 20% chromium, the content of molybdenum of the steel being zero or at most e... | 11/10/1998 |
| 5716466 | Stainless steel wire product Disclosed is a stainless steel wire made of a two-phase stainless steel having austenite and ferrite, which is used as a PC tension member and wire rope both for dynamic and static use. The stainless steel wire contains 0.01-0.10 wt % of C, 0.1-1.0 wt % o... | 02/10/1998 |
| 5672218 | Method of straightening metal bars having extremely low levels of residual stress after straightening operations are completed Method of straightening a metal bar in which the metal bar is straightened by transporting the metal bar between a pair of rollers at a first straightening pressure. An outer layer portion of the metal bar is then removed in order to provide the metal bar... | 09/30/1997 |
| 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 |
| 5462615 | Weldable high-strength structural steel with 13% chromium Disclosed is a process for producing seamless steel pipes or flat products (strip or sheet) for pipes or vessels which are intended for the conveyance, transport or processing of gaseous or liquid hydrocarbons containing CO2 and water and possi... | 10/31/1995 |
| 5433798 | High strength martensitic stainless steel having superior rusting resistance High strength martensitic stainless steel having high rusting resistance which comprises, by weight, 0.13 to 0.20% of C, 0.5 or less of Si, 2.0% or less of Mn, 1.0 to 2.5% of Ni, 12.0 to 16.0% of Cr, 1.3 to 3.5% of Mo, 0.06 to 0.13% of N, if necessary, 0.... | 07/18/1995 |
| 5352406 | Highly mechanical and corrosion resistant stainless steel and relevant treatment process A properly balanced chemical composition and the choice of a heat treatment (annealing and quenching) under controlled conditions allow to obtain uperduplex stainless steel manufactures which, in the hot-worked form, are excellent in resistance to corrosi... | 10/04/1994 |
| 5228932 | Fe-Cr-Al alloy, catalytic substrate comprising the same and method of preparation An Fe-Cr-Al alloy having excellent oxidation resistance and high temperature brittleness resistance comprises: Cr: 10 to 28 wt. %, Al: 1 to 10 wt. %, and B : 0.0003 to 0.010 wt. %, and La: 0.01 to 0.20 wt. % and Zr: 0.01 to 1.0 wt. %, while within the scope of Equa... | 07/20/1993 |
| 5146759 | Method for rapid direct cooling of a hot-rolled wire rod A method for the rapid, direct cooling of a hot-rolled wire rod comprising the steps: transporting a hot-rolled and coiled wire rod on a conveyor, the wire rod being in a form of continuous series of loops; and blasting an air-water mist to the wire rod a... | 09/15/1992 |
| 5092941 | Method for imparting shapes to shape memory alloy wires A method of imparting a particular shape to a wire made of a shape memory alloy, such as a Ni-Ti alloy, which includes the steps of bending the wire inside a tubular body into the particular shape; heating the wire within the tubular body to a temperature... | 03/03/1992 |
| 5000912 | Nickel titanium martensitic steel for surgical needles A needle alloy wherein the nickel content is between 6.3% and 9.5%, the chromium content is between 11.5% and 12.5% and the molydenum content is between 3% and 4%. In addition, tantalum and titanium should be present at a combined level of no more than 2.... | 03/19/1991 |
| 4919728 | Method of manufacturing nonmagnetic drilling string components The method of manufacturing nonmagnetic drilling string components, especially heavy duty drill-stems for exploratory bores, e.g. for deposits of crude oil and/or natural gas deposits, such as directional bores or the like, includes the step of melting an... | 04/24/1990 |
| 4824491 | Process for the production of a strip of a chromium stainless steel of a duplex structure having high strength and elongation as well as reduced plane anisotropy Process for producing steel strip of duplex structure wherein cold rolled strip of chromium stainless steel comprising, in addition to Fe, 10.0% to 20.0% of Cr, to 0.10% C, to 0.12% of N, the (C+N) being 0.01% to 0.20%, to 2.0% of Si, to 4.0% of Mn to 4.0... | 04/25/1989 |
| 4812176 | Process for the production of a strip of a chromium stainless steel of a duplex structure having high strength and elongation as well as reduced plane antisotropy Process for producing steel strip of duplex structure wherein cold rolled strip of chromiun stainless steel comprising, in addition to Fe, 10.0% to 20.0% of Cr, to 0.15% of C, to 0.12% of N, the (C+N) being 0.02% to 0.20%, to 2.0% of Si, to 1.0% of Mn and... | 03/14/1989 |
| 4755233 | Heat treatment process for stainless steel wire rod A process for heat treatment of austenitic and ferritic stainless steel wire rod, comprising rolling a stainless steel wire rod with a finishing-rolling temperature (FRT) between 850° C. and 1050° C. The rod is then held at a temperature between FRT ... | 07/05/1988 |
| 4581078 | Method for rolling and heat treating small diameter stainless steel rod A method for rolling and heat treating small diameter stainless steel rod, comprising the following sequence of steps: cooling the rod prior to and during finish rolling to increase its stiffness; passing the rod through a sizing mill to achieve close tol... | 04/08/1986 |
| 4379745 | Carburization resistance of austenitic stainless steel tubes Protection of cast austenitic stainless steel tubes is provided against initiation of carburization by (a) cold-working the inner surfaces of said tubes to deform the surface to such a degree that upon the subsequent heat treatment of step (b) below, diss... | 04/12/1983 |
| 4360390 | Method for direct heat treating austenitic stainless steel wire rod Method for direct heat treating austenitic stainless steel wire rod wherein a hot rolled austenitic stainless steel wire rod is rendered to finish the final finishing stand of a hot rolling mill at a temperature zone in the range of solution heat treatmen... | 11/23/1982 |
| 4308080 | Method of shaping coils The invention relates to the shaping of coils in the form of helically wound bare wires, particularly for use in "smooth top" cookers. In so-called "smooth top" cookers an unprotected helically coiled wire is secured in an electrically and thermally insul... | 12/29/1981 |
| 4296512 | Method for making fasteners A method for making a fastener having a head and a shank from wire or rod consisting essentially of AISI 200 or 300 series stainless steel comprising the following steps: (a) cooling the wire or rod to a temperature of less than about minus 75° C.; (b) d... | 10/27/1981 |
| 4204885 | Method for providing strong wire In a process for improving the strength characteristics of a wire composed of an austenitic metal alloy selected from the group consisting of stainless steel alloys of the AISI 200 and 300 series and non-stainless steel alloys containing iron, manganese, ... | 05/27/1980 |
| 4161415 | Method for providing strong wire A process for improving the strength characteristics of a wire composed of an austenitic metal alloy selected from the group consisting of stainless steel alloys of the AISI 200 and 300 series and non-stainless steel alloys containing iron, manganese, chr... | 07/17/1979 |
| 4042423 | Method for providing strong wire and strip A method for improving the strength of wire or strip having a composition which consists essentially of an austenitic metal alloy selected from the group consisting of stainless steel alloys of the AISI 200 and 300 series and non-stainless steel alloys co... | 08/16/1977 |
