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| Number | Title | Issue Date |
| 7323070 | Maraging steel excellent in fatigue characteristics and method for producing the same A process of producing a maraging steel includes melting a steel of a defined composition, casting the molten steel to obtain a steel ingot, hot forging the steel ingot at a forging ratio of at least 4, then soaking the forged piece one or more times to keep the for... | 01/29/2008 |
| 7314781 | Device packages having stable wirebonds A method of making a packaged electrical device comprises the steps of (a) connecting one end of a wire to a first point (e.g., a first electrical node) in the package, and (b) connecting the other end of the wire to a second point (e.g., a second electrical node) i... | 01/01/2008 |
| 7210388 | Bimetal saw band A bimetal saw band which is suitable for cutting materials of high hardness and wear resistance at high cutting speeds and with a reduced consumption of coolant is disclosed. The saw band includes a support band with from 0.20 to 0.45% of carbon, from 0.2 to 0.6% of... | 05/01/2007 |
| 7175552 | Ball bat formed of carburized steel A ball bat includes a substantially tubular frame having a handle portion and a primary hitting portion. The handle portion is formed of a non-steel material. The hitting portion is formed separately from, and coupled to, the handle portion. The hitting portion is f... | 02/13/2007 |
| 6939419 | Method for producing axially symmetric parts and the article The invention relates to plastic metal working, more specifically to methods for producing parts of the disk- or shell-type having conical, hemispherical, and also combined parts, such as disk-and-shaft ones. The invention is instrumental in producing large axially ... | 09/06/2005 |
| 6919673 | Color cathode ray tube and method of manufacturing the same A shadow mask is arranged to face a phosphor screen formed on an inner surface of a panel. A plurality of aperture columns are formed in parallel in the shadow mask. Each aperture column includes a plurality of apertures arranged in line at a predetermined interval.... | 07/19/2005 |
| 6893727 | Metal gasket and a material for its manufacture and a method for their manufacture This invention relates to a stainless steel gasket having markedly improved strength and fatigue properties due to precipitation strengthening. Its composition comprises C: at most 0.03%, Si: at most 1.0%, Mn: at most 2%, Cr: 16.0%-18.0%, Ni: 6.0%-8.0%, N: at most 0... | 05/17/2005 |
| 6726784 | α+β type titanium alloy, process for producing titanium alloy, process for coil rolling, and process for producing cold-rolled coil of titanium alloy A high strength and ductility α+β type titanium alloy, comprising at least one is isomorphous β stabilizing element in a Mo equivalence of 2.0-4.5 mass %, at least one eutectic β stabilizing element in an Fe equivalence of 0.3-2.0 mass %, Si in an amount of 0.1-... | 04/27/2004 |
| 6706416 | Process for manufacturing corrosion resistant composite metal products A method of producing a corrosion resistant ferrous product is disclosed. The product is produced by rolling a heated billet which comprises a mass of mild steel swarf in a stainless steel jacket. Two reducing agents are present in the jacket when the billet is heat... | 03/16/2004 |
| 6605163 | Process for manufacturing a strip made of an Fe-Ni alloy Process for manufacturing a strip made of an Fe--Ni alloy of the "γ' and/or γ" structural hardening" type, the thermal expansion coefficient between 20° C. and 150° C. of which is less than 7×10-6 /K, in which a hot strip is manufactured e... | 08/12/2003 |
| 6582835 | Coated ferrite stainless steel sheet usable in the automobile exhaust sector Dip-coated ferrite stainless steel sheet usable in the automobile exhaust sector, characterized in that it comprises a steel core with the following composition by weight: 10.5%ࣘchromiumࣘ20% 0%ࣘaluminumࣘ0.6% 0.003%ࣘcarbonࣘ0.06% 0.003%ࣘnitrogenࣘ... | 06/24/2003 |
| 6517955 | High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof The invention relates to a high strength hot-dip galvanized and galvannealed steel sheets with excellent drawability for press forming and excellent plating adhesion that is useful as a member for automobiles, construction, electric devices and the like, ... | 02/11/2003 |
| 6508893 | Method of manufacturing Fe-Ni alloy A method of manufacturing an improved Fe--Ni alloy consisting of 33-37% Ni; 0.001-0.1% Mn; optionally, 0.01-2% Co; and at least one of (1) 0.01-0.8% Nb; (2) 0.01-0.8% Ta; and/or (3) 0.01-0.8% Hf, with the total of Nb, Ta and Hf being in the range of 0.01-... | 01/21/2003 |
| 6508892 | Fe-Ni alloy shadow mask blank with excellent etch perforation properties and method for manufacturing the same A shadow mask blank of Fe--Ni alloy which exhibits excellent uniformity of diameter of apertures formed by perforation with etching for the passage of electron beams, consisting of 34-38% Ni, 0.05-0.5% Mn, 4-20 ppm S, and the balance Fe and no more than s... | 01/21/2003 |
| 6485584 | Method of manufacturing a ferritic-martensitic, oxide dispersion strengthened alloy This invention relates to a method of manufacturing an improved ferritic or martensitic alloy based on iron and chromium strengthened by a dispersion of oxides, commonly called an Oxide Dispersion Strengthened or ODS alloy, and, more particularly to a met... | 11/26/2002 |
| 6420054 | Masking device for a color cathode-ray display tube with a flat screen, of the type comprising a support frame for a tensioned shadowmask, and tensioned shadowmask Masking device for a color cathode-ray display tube with a flat scree, of the type comprising a support frame for a tensioned shadowmask and a tensioned shadowmask mounted on the support frame so as to undergo tensioning at room temperature, in which devi... | 07/16/2002 |
| 6419770 | Cold-warm working and heat treatment method of high carbon-high alloy group steel The high carbon stainless steel containing more than 0.5 mass % carbon and more than 8 mass % chromium, or the tool steel containing more than 0.5 mass % carbon and more than 0.5 mass % at least one of carbide producing metal elements including chromium, ... | 07/16/2002 |
| 6402863 | Heat treatment for 9Ni-4Co-0.30C type steels A method of heat treating 9Ni-4Co-0.30C class steel alloy uses shortened treatment time for normalizing, austenitizing, and tempering, as well as a lower tempering temperature, when compared to conventional heat treatment for this class of alloy material.... | 06/11/2002 |
| 6360936 | Method of manufacturing a composite sheet steel, especially for the protection of vehicles against shots In a method of manufacturing composite sheet steel of maraging steel, wherein the composite sheet steel comprises an outer layer and an inner layer, wherein the outer layer is harder than the inner layer and the inner layer is more tenacious than the oute... | 03/26/2002 |
| 6355364 | Process of heat treating and annealing CIC and CIC created thereby Processes for preparing copper-INVAR-copper (CIC) for use in making chip packaging and the CIC created. One process comprises annealing a CIC section at a temperature in a range of 1475° F. to 1625° F. for a time in a range of 40 to 120 seconds. Another... | 03/12/2002 |
| 6348111 | Method for producing Fe--Ni alloy Fe--Ni alloy sheet having improved press-punching formability is produced by specifying the sulfide-forming elements [X%] and sulfur [%S] and by heating, prior to hot-working, to a temperature dependent upon the contents of these elements. The Fe--Ni allo... | 02/19/2002 |
| 6329081 | Stainless steel sheet material and manufacturing method thereof There is provided a stainless steel sheet material, used for a semiconductor manufacturing device, to which it difficult for fine dust to be attached and from the surface of which the attaching dust can be easily washed away. Also, there is provided a met... | 12/11/2001 |
| 6187118 | Method for heat-treating steel work pieces A method of heat-treating a work piece of high-alloy steel by hardening involves relatively briefly annealing the work piece before hardening, followed by cooling the work piece. The brief annealing that is performed before the actual hardening and the en... | 02/13/2001 |
| 6099669 | Method for producing a Fe-Ni alloy sheet and a Fe-Ni alloy shadow mask Composition segregation which results in streaks in an Fe--Ni alloy sheet shadow-mask is prevented by the following conditions. Heat-treatment from 1150° C. to a temperature lower than the melting point for longer than 1 hour and not longer than 30 hours... | 08/08/2000 |
| 6060180 | Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe The present invention provides a highly corrosion-resistant alloy used as a boiler tube in equipment the energy source of which is obtained by burning fossil fuel or waste, a steel tube for which the alloy is used, and a process for producing the steel tu... | 05/09/2000 |
| 6042662 | Process for manufacturing an article made of an oxide-dispersion-strengthened alloy This process makes it possible to manufacture articles of any shape by stamping, in which articles the matrix of the alloy has to have a coarse-grained structure. According to the invention, a partial hot-forming operation is carried out by stamping a bla... | 03/28/2000 |
| 5827379 | Process for producing extra high tensile steel having excellent stress corrosion cracking resistance An extra high tensile steel having an excellent stress corrosion cracking resistance in sea water and a yield strength of 1080 MPa or more is provided. A slab comprising, in terms of % by weight, 0.04 to 0.09% of C, 0.01 to 0.10% of Si, 0.05 to 0.65% of M... | 10/27/1998 |
| 5637161 | Method of producing an alloy sheet for a shadow mask A method for manufacturing an alloy sheet for a shadow mask is provided which includes: (i) annealing a hot-rolled sheet containing Fe and Ni at a temperature of 910° to 990° C.; (ii) cold-rolling the annealed hot-rolled sheet from step (i) to produce a... | 06/10/1997 |
| 5522953 | Method of manufacturing an alloy sheet A method for manufacturing an alloy sheet comprising the steps of: (a) hot-rolling a slab containing Fe, Ni and Cr into a hot-rolled strip; (b) annealing the hot-rolled strip at a temperature of 810° to 890° C.; (c) cold-rolling the annealed hot-rolled ... | 06/04/1996 |
| 5520755 | Method for manufacturing thin Fe--Ni alloy sheet for shadow mask A thin Fe--Ni alloy sheet for shadow mask consists essentially of Ni of 34 to 38 wt. %, Si of 0.05 wt. % or less, B of 0.0005 wt. % or less, O of 0.002 wt. % or less and N of 0.0015% or less, the balance being Fe and inevitable impurities; said alloy shee... | 05/28/1996 |
| 5503693 | Method for producing a thin Fe-Ni alloy for shadow mask A thin Fe--Ni alloy sheet for shadow mask consists essentially of Ni of 34 to 38 wt. %, Si of 0.05 wt. % or less, B of 0.0005 wt. % or less, O of 0.002 wt. % or less and N of 0.0015% or less, the balance being Fe and inevitable impurities; said alloy shee... | 04/02/1996 |
| 5501749 | Method for producing a thin Fe-Ni alloy for shadow mask thereof A thin Fe--Ni alloy sheet for shadow mask consists essentially of Ni of 34 to 38 wt. %, Si of 0.05 wt. % or less, B of 0.0005 wt. % or less, O of 0.002 wt. % or less and N of 0.0015% or less, the balance being Fe and inevitable impurities; said alloy shee... | 03/26/1996 |
| 5374323 | Nickel base alloy forged parts Disclosed is a large alloy forging, the forging having an alloy composition selected from one of a nickel base alloy, a cobalt-chromium-nickel base alloy, a nickel-cobalt base alloy and an iron-nickel-chromium-molybdenum alloy, the forging having a grain ... | 12/20/1994 |
| 5360496 | Nickel base alloy forged parts Disclosed is a large alloy forging and method for making it. The forging having an alloy composition selected from one of a nickel base alloy, a cobalt-chromium-nickel base alloy, a nickel-cobalt base alloy and an iron-nickel-chromium-molybdenum alloy and... | 11/01/1994 |
| 5252151 | Fe-Ni alloy sheet for shadow mask having a low silicon segregation and method for manufacturing same An Fe-Ni alloy sheet for a shadow mask, which consists essentially of: nickel: from 34 to 38 wt. %, silicon: from 0.01 to 0.15 wt. %, manganese: from 0.01 to 1.00 wt. %, and the balance being iron and incidental impurities. The surface portion of the alloy sheet has a s... | 10/12/1993 |
| 5246511 | High-strength lead frame material and method of producing same A high-strength lead frame material consists, by weight, of 0.5 to 22% Co, 22 to 32.5% Ni, not more than 1.0% Mn, not more than 0.5% Si, at least one kind of 0.1 to 3.0% in total selected from the group consisting of Nb, Ti, Zr, Mo, V, W and Be, and the b... | 09/21/1993 |
| 5234513 | Fe-Ni alloy sheet excellent in hot workability, adhesivity to plating layer and solderability, and method for manufacturing same An Fe-Ni alloy sheet excellent in hot workability, adhesivity to a plating layer and solderability, which consists essentially of: ______________________________________ nickel (Ni): from over 38 to 52 wt. %, silicon (Si): from 0.01 to 0.15 w... | 08/10/1993 |
| 5234512 | Fe-Ni alloy sheet for shadow mask, excellent in etching pierceability, preventing sticking during annealing, and inhibiting production of gases An Fe-Ni alloy sheet for a shadow mask excellent in etching pierceability, preventing sticking during annealing, and inhibiting production of gases, which consists essentially of: ______________________________________ nickel (Ni) from 34 to... | 08/10/1993 |
| 5209900 | High-fineness shadow mask material and process for producing the same A high-fineness shadow mask material comprising 33-40% by weight of Ni, 0.0001-0.0015% by weight of one or more of boron, magnesium and titanium, and the remainder consisting essentially of Fe, wherein the contents of sulfur and aluminum are confined to n... | 05/11/1993 |
| 5167735 | Process for the annealing of steel annealing material For the annealing of steel in continuously operating units, the formation of so-called white dust is almost completely eliminated by subjecting the steel to a deoxidizing pretreatment before the annealing sequence so as to at least largely remove the oxyg... | 12/01/1992 |
