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| Number | Title | Issue Date |
| 8079509 | Brazed aluminum laminate mold tooling A laminate aluminum block for forming an article includes a series of aluminum laminate plates to collectively form a tool body for forming an article in a forming operation. A series of aluminum brazing layers are formed for brazing together adjacent aluminum lamin... | 12/20/2011 |
| 7926701 | Method for brazing strips of aluminium alloy The invention relates to an aluminum alloy strip or sheet with the following composition (% by weight): Si 0.3-1.0; Fe | 04/19/2011 |
| 7735718 | Layered products for fluxless brazing of substrates A brazing product for fluxless brazing comprises a substrate and a filler metal-forming composition applied to the substrate. The substrate preferably comprises aluminum, an aluminum alloy or another metal and may include at least one layer of a ceramic, carbide or ... | 06/15/2010 |
| 7425765 | Zinc-aluminum solder alloy A high melting point solder alloy superior in oxidation resistance, in particular a solder alloy provided with both a high oxidation resistance and high melting point suitable for filling fine through holes of tens of microns in diameter and high aspect ratios and f... | 09/16/2008 |
| 7377418 | Method of brazing aluminum products and furnace therefor When aluminium products are preheated in a preheating furnace up to about 500° C. before they are brazed with a flux in a heating furnace, a nitrogen atmosphere in the preheating furnace is made convectional by fans for improving heating efficiencies and also for h... | 05/27/2008 |
| 7374827 | Recovered high strength multi-layer aluminum brazing sheet products A metallurgical product consists essentially of a core aluminum alloy, purposefully tailored through chemistry and processing route to resist recrystallization during the brazing cycle to intentionally exploit the higher strengths immediately after brazing of a defo... | 05/20/2008 |
| 7353980 | Process for producing aluminum-containing honeycomb bodies using radiant heaters A method for producing aluminum-containing honeycomb bodies includes providing at least partly structured aluminum-based metal foils. The at least partly structured metal foils are stacked and/or wound to form a honeycomb structure having passages. The metal foils a... | 04/08/2008 |
| 7326892 | Process of microwave brazing with powder materials A process for heating a powder material by microwave radiation so that heating of the powder material is selective and sufficient to cause complete melting of the particles. The process entails providing a mass of powder comprising a quantity of filler particles of ... | 02/05/2008 |
| 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 |
| 7255932 | Ultra-longlife, high formability brazing sheet The present invention relates to multiple layer aluminum brazing sheet having a core, a braze cladding, and an interliner therebetween that, when fabricated in the fully annealed condition (O-temper), forms a continuous and dense dispersoid band in the core in addit... | 08/14/2007 |
| 7247392 | Aluminum alloy heat exchanger and method of producing the same An aluminum alloy heat exchanger having a tube composed of a thin aluminum alloy clad material, wherein, in the clad material, one face of an aluminum alloy core material containing Si 0.05–1.0 mass % is clad with an Al—Si-series filler material containing Si 5â... | 07/24/2007 |
| 7226669 | High strength aluminium alloy brazing sheet, brazed assembly and method for producing same The present invention a high strength aluminium alloy brazing sheet, comprising an Al—Zn core layer and at least one clad layer, the core layer including the following composition (in weight percent): ... | 06/05/2007 |
| 7143512 | Method of making a brazed metal heat exchanger core with self-shearing reinforcement A radiator core reinforcement self shears in the braze oven as strategically placed voids in the reinforcement erode away under the flowing action of the melted surface braze layer. ... | 12/05/2006 |
| 7056597 | Brazing sheet product and method of its manufacture Disclosed is a brazing sheet product comprising a core metal sheet, on at least one side of the core sheet a clad layer of an aluminium brazing alloy comprising silicon in an amount in the range of 4 to 14% by weight, and further comprising on at least one outersurf... | 06/06/2006 |
| 7018722 | Aluminum alloy fin material for heat exchangers and heat exchanger including the fin material The present invention provides an aluminum alloy fin material for heat exchangers which has a thickness of 80 μm (0.08 mm) or less and excels in joinability to a tube material and in intergranular corrosion resistance. The aluminum alloy fin material is an aluminum... | 03/28/2006 |
| 7000823 | Fluxless brazing A method of manufacturing an article of manufacture for use in a fluxless brazing process is disclosed. The method comprises the step of applying a braze-promoting layer including one or more metals selected from the group consisting of nickel, cobalt and iron, onto... | 02/21/2006 |
| 6994919 | Brazing product and method of manufacturing a brazing product The invention relates to a brazing sheet product including a core sheet, on at least one side of the core sheet a clad layer of an aluminum alloy including silicon in an amount in the range of 4 to 14% by weight, and further including on at least one outersurface 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 |
| 6921583 | Al-Cu bonded structure and method for making the same With an Al—Cu bonded structure, an Ag layer can be remained at the Al—Cu bonding interlayer providing ductile deformation behavior and a tensile strength at the bonded interlayer similar to that of the Al base material. This results in superior bonding character... | 07/26/2005 |
| 6913184 | Alloy composition and method for low temperature fluxless brazing A family of low temperature brazing alloys wherein the alloy is utilized in the form of a filler metal or shim and consists of electroplated nickel on zinc shimstock, wherein the zinc shimstock includes zinc, aluminum and silicon, with or without a small amount of l... | 07/05/2005 |
| 6896977 | Method of brazing aluminum or aluminum alloy materials and aluminum alloy brazing sheet A method of brazing an aluminum or aluminum alloy material, containing brazing an aluminum alloy brazing sheet that has an aluminum or aluminum alloy core material and, being clad on one or both surfaces, a filler alloy layer comprised of an Al—Si-based alloy and ... | 05/24/2005 |
| 6848609 | Method of making finned tubes In a method of making finned tubes as components of air-cooled systems or condensers, a sheet metal strip of aluminum is first shaped into a waved finned structure with plural fins in parallel relationship and arched ends for connecting the fins, thereby defining cr... | 02/01/2005 |
| 6849136 | Filler metal for aluminum brazing sheet for heat exchangers and method of manufacturing same An object of the present invention is to provide a filler metal for an aluminum brazing sheet for heat exchangers capable of preventing or controlling occurrence of a melting hole during heating for brazing, and a method of manufacturing the same. In an Al—Si allo... | 02/01/2005 |
| 6840435 | Method for brazing aluminum alloy-assembled articles within a short period of time and a filler alloy usable at low temperature A method for brazing aluminum alloy-assembled articles with a filler alloy having a liquidus temperature of 540° C. or lower and a difference of temperature between the liquidus temperature and the solidus temperature being 100° C. or lower, wherein the highest te... | 01/11/2005 |
| 6796484 | Nickel-plated brazing product having improved corrosion performance A brazing product, e.g. a brazing sheet product, having an aluminium layer made of an aluminium alloy comprising silicon in an amount in the range of 2 to 18 weight %, and a layer comprising nickel on the outer surface of the aluminium layer such that taken together... | 09/28/2004 |
| 6779713 | Joining of composite beryllium-aluminum parts A method for joining metal parts in which an aluminum rich surface is produced on a first metal part by selective removal of the beryllium component of a beryllium-aluminum alloy, as by said etching. The aluminum rich surface may then be joined to another aluminum r... | 08/24/2004 |
| 6749105 | Method and apparatus for securing a metallic substrate to a metallic housing A method for securing a metallic substrate (24) to a metallic housing (26). The method may include: firing a first solderable coating (64) to an edge (60) of the metallic substrate (24); firing a second solderable coating (64 | 06/15/2004 |
| 6743409 | Alkali metal fluorozincate and method for producing it Novel methods for producing alkali metal fluorozincates, especially potassium fluorozincate. Products having defined particle size ranges are obtained depending on the sequence of introduction of the reactants alkali metal hydroxide, zinc oxide and hydrogen fluoride... | 06/01/2004 |
| 6715667 | Method of joining steel tubes with aluminum ribs In a method for joining a steel tube with an aluminum rib, a zinc-aluminum alloy layer, having an aluminum content of 0.5% by wt. to 20% by wt., is applied to the surface of the steel tube or the aluminum rib, and then a fluxing agent in the form of cesium-aluminum ... | 04/06/2004 |
| 6679417 | Tailored solutionizing of aluminum sheets An efficient and effective process for manufacturing of hardened aluminum components is achieved by coordinating the material preparation steps with the forming steps. The resulting product is a hardened aluminum component with desirable strength characte... | 01/20/2004 |
| 6648214 | Method for partially or completely coating the surfaces of components produced from aluminum or its alloys with solders, fluxing agents or binders for brazing In a method for partial or complete coating of surfaces of components of aluminum and its alloys with a uniform layer of homogeneously distributed solder, fluxing agent and binder for brazing of the components to one another, the solder, fluxing agent and... | 11/18/2003 |
| 6626351 | Method and apparatus for the manufacturing of structural members By utilizing a roll bonding process and appropriately forming steps, a load bearing structure is created which is capable of handling and appropriately transferring loads. One preferred method includes the combination of roll bonding and hydroforming to e... | 09/30/2003 |
| 6623693 | Aluminum alloy composition, article and method of use An aluminum alloy composition consists essentially of controlled amounts of iron, silicon, copper, manganese, magnesium, titanium, zinc, zirconium, and free machining elements with the balance being aluminum and incidental impurities. The alloy provides i... | 09/23/2003 |
| 6613397 | Method and apparatus for manufacturing an aluminum clad product In a method for manufacturing an Al clad product, first, cladding material is fused and coated on base material having Al. Then, slurry material is coated on the cladding material coated on the base material, the slurry material including mixture of a flu... | 09/02/2003 |
| 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 |
| 6599645 | Composite metal panel The invention relates to a rigid composite metal panel comprising at least two metal parallel plates and/or sheets secured to the peaks and troughs of a corrugated aluminium stiffener sheet arranged between the parallel plates and/or sheets, wherein the c... | 07/29/2003 |
| 6568584 | Nickel-plated brazing sheet product The invention relates to a brazing sheet product comprising a core sheet made of an aluminum alloy, an aluminum clad layer cladding at least one of the surfaces of said core sheet, and a layer comprising nickel on the outersurface of one or both said clad... | 05/27/2003 |
| 6555251 | Multi-layer, heat treatable brazing sheet with aluminum interlayer A four layer composite including a first interliner positioned between a 4xxx series braze clad and a core alloy and a second interliner positioned on the opposite side of the core alloy from the first interliner. At least one of the first and second inte... | 04/29/2003 |
| 6543678 | Method of brazing beryllium-aluminum alloy members to form a beryllium-aluminum alloy assembly and coating the beryllium-aluminum alloy assembly A method for brazing beryllium-aluminum alloy members to form a beryllium-aluminum alloy assembly and coating the beryllium-aluminum alloy assembly in which an aluminum-silicon based braze alloy is placed between the beryllium-aluminum members at the loca... | 04/08/2003 |
| 6503640 | Method of manufacturing an assembly of brazed dissimilar metal components Disclosed is a method of manufacturing an assembly of components joined by brazing, comprising the steps of: (i) forming the components of which at least one is made from a multi-layered brazing sheet product, the multi-layered brazing sheet product compr... | 01/07/2003 |
