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| Number | Title | Issue Date |
| 8092621 | Method for inhibiting growth of nickel-copper-tin intermetallic layer in solder joints A method for inhibiting the growth of a nickel-copper-tin intermetallic (i.e. (Ni,Cu)3Sn4) layer at the (Cu,Ni)6Sn5/nickel interface of a solder joint is described as follows. A Sn—Ag—Cu solder alloy with a Cu-content ... | 01/10/2012 |
| 7824510 | Methods of repairing engine components Methods are provided for repairing an engine component. In an embodiment, a method includes forming at least one layer of a first braze alloy mixture including about 40% by weight of a first base alloy material and about 60% by weight of a first braze alloy material... | 11/02/2010 |
| 7780801 | Flux composition and process for use thereof The invention relates to a composition of matter comprising a soldering flux, wherein the flux consists essentially of a combination of a fluxing agent and a solvent, and wherein the fluxing agent comprises a keto acid such as levulinic acid or acetylbutyric acid. T... | 08/24/2010 |
| 7767043 | Copper sputtering targets and methods of forming copper sputtering targets The invention includes a copper-comprising sputtering target. The target is monolithic or bonded and contains at least 99.99% copper by weight and has an average grain size of from 1 micron to 50 microns. The copper-comprising target has a yield strength of greater ... | 08/03/2010 |
| 7360612 | Roller cone drill bits with optimized bearing structures A roller cone drill bit may include optimally designed bearing structures and cutting structures. The roller cone drill bit may include three cone assemblies rotatably mounted on respective spindles via respective bearing structures. Each cone assembly may have a re... | 04/22/2008 |
| 7334652 | Roller cone drill bits with enhanced cutting elements and cutting structures Roller cone drill bits are provided with cutting elements and cutting structures optimized for efficient drilling of soft and medium formations interspersed with hard stringers. The cutting elements and cutting structures may be satisfactorily used to drill downhole... | 02/26/2008 |
| 7331755 | Method for coating gas turbine engine components A method for assembling a vane sector for a gas turbine engine, the vane sector including an airfoil vane and a platform includes depositing a wear coating material onto a selected area of the platform, positioning the platform adjacent to the airfoil vane, and exec... | 02/19/2008 |
| 7294411 | Brazing product and method of its manufacture The invention relates to a brazing sheet product comprising a core sheet, a clad layer on said core sheet made of an aluminum alloy containing silicon in an amount in the range of 4 to 14% by weight, an optional layer comprising nickel on the outersurface of said cl... | 11/13/2007 |
| 7267732 | Method for manufacturing steel parts by continuous copper-brazing and quench hardening There is provided a method for manufacturing steel parts for an automotive automatic transmission in which a desired joint portion of each steel part is copper-brazed at a high temperature while chromium in an alloy steel for machine structural use forming the steel... | 09/11/2007 |
| 7222422 | Method for refurbishing surfaces subjected to high compression contact A process for refurbishing a worn surface of a shroud support component of a turbomachine, as well as a shroud support component refurbished with the process. The process generally entails removing a surface region of the worn surface so as to define a repair surfac... | 05/29/2007 |
| 7169239 | Solid expandable tubular members formed from very low carbon steel and method A very low carbon steel alloy is provided for use in manufacturing tubular members such as oil country tubular goods. The tubular members may be radially expanded from at least twenty percent to forty percent. Sections or joints of casing formed from the steel alloy... | 01/30/2007 |
| 7096712 | Material testing system for turbines The wear resistance of impellers used in multi-stage turbine pumps is tested by using a multi-stage turbine pump having impellers with different physical properties to pump a fluid containing small amounts of an abrasive material. After the fluid has been pumped for... | 08/29/2006 |
| 7078111 | Brazing sheet product and method of its manufacture Disclosed is a brazing sheet product including a core metal sheet (1), on at least one side of the core metal sheet (1) a clad layer (2) made of an aluminium brazing alloy comprising silicon in an amount in the range of 4 to 14% by weight, and o... | 07/18/2006 |
| 7047635 | Connecting material and connecting method A connecting material can form a detachable connecting structure. According to the connecting material, a connecting portion between a certain object and another object can be more readily formed, and the certain object can be more readily detached from the another ... | 05/23/2006 |
| 7037383 | Process for producing a component from metal A process for producing a component of metal includes a) carrying out a heat treatment to harden the component, which ends with a heating process, especially with a tempering or microstructural transformation process, at a given temperature (TE); b) carry... | 05/02/2006 |
| 6994155 | Heat transfer A heat transfer assembly is disclosed which comprises at least one wall (1, 2, 3) which is adapted to separate a first fluid at a first temperature from a second fluid at a second temperature, and at least one fiber member (6, 7, 8, 9) or plurality of ... | 02/07/2006 |
| 6957762 | Vacuum brazing method for aluminum-based material A vacuum brazing method is disclosed for joining aluminum stock materials to each other. The typical cladding material utilized includes aluminum and a melting point lowering agent such as silicon. In addition, the cladding material typically includes magnesium to p... | 10/25/2005 |
| 6935774 | Timepiece external part and method of manufacturing the part A wristwatch case (11) and a method of manufacturing the case, the wristwatch case comprising a wristwatch case body (1) made of titanium or stainless steel and a crown pipe (3) fixed to each other, wherein a stem hole (2) corresponding t... | 08/30/2005 |
| 6923876 | Aluminum alloy strip manufacturing process for the manufacture of brazed heat exchangers The invention relates to a process to manufacture a clad strip, preferably | 08/02/2005 |
| 6915942 | Method of manufacturing mount structure without introducing degraded bonding strength of electronic parts due to segregation of low-strength/low-melting point alloy A method of manufacturing a mount structure according to the present invention which forcedly cools down a melted solder paste on a printed circuit board at a cooling speed of 1.5° C./second or higher to solidify the solder paste when an electronic part is mounted ... | 07/12/2005 |
| 6852428 | Layered heat-resistant alloy plate and method of producing the same Objects of the present invention are to provide a laminated heat resistant alloy plate has a large area, and to provide a manufacturing method therefor. The laminated heat resistant alloy plate according to the present invention is obtained by brazing a Ni alloy pla... | 02/08/2005 |
| 6800150 | Manufacturing process for an element of a chemical device comprising a support part in metal and an anticorrosion metallic coating The aim of the present invention is a manufacturing process for assembly parts (101, 102, 111, 112) for the manufacture of elements of chemical devices (100), comprising the fixation of an anticorrosion metallic coating (31, 32) on an unprocesse... | 10/05/2004 |
| 6772936 | Method for making an electroconductive joint A method for creating an electroconductive joint in connection with conductor rails made of copper or copper alloy, in which method in between the conductor rail elements to be joined, there is applied soldering/brazing agent, whereafter at least the junction area i... | 08/10/2004 |
| 6764558 | Aluminum alloy strip manufacturing process for the manufacture of brazed heat exchangers The invention relates to a process to manufacture a clad strip, | 07/20/2004 |
| 6756133 | High temperature aluminum alloy brazing sheet and methods of manufacturing and uses therefor The present invention provides an aluminum alloy brazing sheet material, particularly suitable for charge air cooler applications, comprising a core alloy and a clad brazing alloy, as well as to methods for their manufacture and use. The present invention also provi... | 06/29/2004 |
| 6749104 | Heat exchanger manufacturing methods and brazing filler metal compositions useful therein, characterized by low nickel leaching rates Methods for the manufacture of assemblies which included brazed components and in which nickel/chromium-based filler metals are used wherein the manufactured assemblies are characterized by low leaching rates of nickel in water and water-based fluids, are disclosed.... | 06/15/2004 |
| 6670050 | Titanium-based heat exchangers and methods of manufacture Oxidation protection of a titanium heat exchanger is provided by a titanium aluminide or solgel coating. The coating protects bare titanium and brazed surfaces of the heat exchanger.... | 12/30/2003 |
| 6652677 | Process of welding gamma prime-strengthened nickel-base superalloys A process for welding superalloys, and particularly articles formed of gamma prime-strengthened nickel-base superalloys whose chemistries and/or microstructures differ. The process entails forming the faying surface of at least one of the articles to have... | 11/25/2003 |
| 6630251 | Leach-resistant solder alloys for silver-based thick-film conductors A tin-lead solder alloy containing copper and/or nickel and optionally silver, palladium, platinum and/or gold as its alloying constituents. The solder alloy consists essentially of, by weight, about 5% to about 70% tin, up to about 4% silver palladium, p... | 10/07/2003 |
| 6627330 | Aluminum alloy brazing sheet for vacuum brazing exhibiting excellent corrosion resistance, and heat exchanger using the brazing sheet An aluminum alloy brazing sheet has a quad-layer structure made of an outer filler material, intermediate layer material, core material, and inner filler material. The core material contains 0.5-1.6% of Mn, 0.10-0.50% of Cu, 0.05-0.50% of Mg, and 0.06-0.3... | 09/30/2003 |
| 6623572 | Pulper with extraction plate assembly having removable inserts and method of manufacturing same A pulper for pulping a fiber suspension includes a vessel, an extraction plate assembly and a rotor. The extraction plate assembly is disposed within the vessel and includes a metal plate with a plurality of holes extending therethrough. A plurality of me... | 09/23/2003 |
| 6605370 | Method of manufacturing an aluminium joined product Disclosed is a method of manufacturing an aluminium or aluminium alloy joined product, such as a shaped and hollow member, comprising the sequential steps of: (a) providing two parts made of aluminium or aluminium alloy, each part having a peripheral flan... | 08/12/2003 |
| 6596413 | Brazing product having a low melting point Disclosed is an aluminium brazing product, such as a brazing sheet product, having a substrate (1) of an aluminium alloy comprising silicon in an amount in the of 2 to 18% by weight, and on at least one outer surface a layer (2) comprising nickel, wherein... | 07/22/2003 |
| 6534195 | Connection structure for metallic members and connecting method therefor Sn--Zn alloy is plated on at least one of a first metallic member and a second metallic member, Sn--Ag alloy is used as a solder, the first metallic member and the second metallic member are connected by the solder, and a connection structure of metallic ... | 03/18/2003 |
| 6497773 | Method of manufacturing a mask for team games A method of manufacturing a mask for a team game is comprised of: heating an aluminum alloy mixed with copper and molybdenum at a temperature between 410° C. to 430° C. for three hours; cooling the alloy at a rate of about 30° C. per hour; cutting the ... | 12/24/2002 |
| 6475301 | Conversion coatings on aluminum from KF solutions The invention is a method of forming a conversion coating on an aluminum surface. According to the method, the aluminum surface is conversion coated by first treating the surface with thermal degreasing or aqueous alkaline degreasing and then contacting t... | 11/05/2002 |
| 6454885 | Nickel diffusion braze alloy and method for repair of superalloys A braze alloy powder mixture that includes a low-melt powder composition and a high-melt powder composition. The low-melt powder composition is made of one or more low-melt powders and includes 50-70% Ni, 8-20% Cr, 8-15% Ta, 4-10% Co, 2-7% Al, and up to 2... | 09/24/2002 |
| 6413331 | Aluminium alloy for use in a brazed assembly Aluminum alloy in the form of a sheet, plate or extrusion, having a composition in the range (in weight %): Si | 07/02/2002 |
| 6409850 | Fluxing agents for the reflowing of electro-deposited tinplate There is disclosed a composition for use as a flux material in a tinplating process, which comprises an aqueous solution of one or more hydroxy phenyl compounds of general formula (I), wherein M=a cationic species, preferably H, substituted or unsubstitut... | 06/25/2002 |
| 6348110 | Methods of manufacturing rotary drill bits A rotary drill bit is manufactured by a method including the step of forming at least a portion of the bit body from a precipitation hardening alloy, and brazing cutters to the bit body by a heating and cooling cycle during which the bit body is first hea... | 02/19/2002 |
