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| Number | Title | Issue Date |
| 7297215 | Copper base alloy, and cast ingot and parts to be contacted with liquid By exactly comprehending the true properties of the rare elements (such as Bi and Se) which are alternative components for Pb, the alloy is enabled to secure machinability equal to the bronze alloy (CAC406) generally used hitherto and acquire mechanical properties a... | 11/20/2007 |
| 7219827 | Braze end isolation layer for generator armature winding bar and method for applying the isolation layer A brazed joint between an armature winding bar strand package and a hydraulic header clip end fitting including: a plurality of solid strands and a plurality of hollow strands arranged in a tiered array and forming the strand package, the plurality of hollow strands... | 05/22/2007 |
| 7216796 | Crevice corrosion-resistant liquid-cooled armature bar clip-to-strand connection and related method A brazed joint between an armature bar strand package and an end fitting includes a plurality of strands arranged in a tiered array and forming the strand package; a cavity in the end fitting, free ends of the plurality of strands extending through opening in the en... | 05/15/2007 |
| 7180176 | Radiation plate and power semiconductor module IC package Heat dissipating plate (4) made of copper-base alloy is proposed that exhibits high degree of flatness after joining in the step of assembling power semiconductor modules, IC packages, etc., that will not crack in the solder (3) joint if subjected to h... | 02/20/2007 |
| 7163753 | Arc-resistant terminal, arc-resistant terminal couple and connector or the like for automobile An arc-resistant terminal, couple, and connecter are provided. In an embodiment, a metal-based electrical contact portion thereof includes at least one of Cu, Ni or Sn, and not more than 0.06 mass % P, wherein the arc-resistant terminal capable of suppressing arc di... | 01/16/2007 |
| 7160401 | Use of a low-alloyed copper alloy and hollow profile component made therefrom Use of a low-alloyed, phosphorus-deoxidized copper alloy (DHP-Cu) for manufacturing hollow profile components by internal high-pressure forming, the copper alloy having the following composition: 0.030 to 0.080 wt-% of at least one element of a group including tin (... | 01/09/2007 |
| 7091419 | Electrical plug connector An electrical plug connector containing at least two contact partners which can be linked together in an overlap region to establish an electrical contact between them. At least one of the contact partners includes an electrically conductive material that converts t... | 08/15/2006 |
| 6974509 | Brass Brass consists essentially of Cu, Sn, Bi, Fe, Ni and P in weight ratios respectively of 58.0-63.2%, 0.3-2.0%, 0.7-2.5%, 0.05-0.3%, 0.10-0.50% and 0.05-0.15% plus the balance of Zn and unavoidable impurities to exhibit excellent tolerance for dezincification, hot for... | 12/13/2005 |
| 6858102 | Copper-containing sputtering targets, and methods of forming copper-containing sputtering targets The invention includes a sputtering target containing copper of a purity of at least about 99.999 wt. %, and at least one component selected from the group consisting of Ag, Sn, Te, In, B, Bi, Sb, and P dispersed within the copper. The total of Ag, Sn, Te, In, B, Bi... | 02/22/2005 |
| 6761306 | Phosphorus-copper brazing material, brazing sheet, methods of manufacturing the material and the sheet, and flow path structure for heat exchangers A phosphorus-copper brazing material formed of a phosphorus-copper brazing alloy which can easily be cold-worked into a thin sheet, a brazing sheet having a brazing layer of the phosphorus-copper brazing alloy, and a flow path structure for heat exchangers construct... | 07/13/2004 |
| 6695934 | Copper alloy and process for obtaining same A copper base alloy consisting essentially of tin in an amount from about 0.1 to about 1.5% by weight, phosphorous in an amount from about 0.01 to about 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, zinc in an amount from abo... | 02/24/2004 |
| 6475642 | Oxidation-resistant coatings, and related articles and processes An oxidation-resistant coating is described, formed of an alloy containing: about 40 to about 50 atom % aluminum and about 0.5 atom % to about 3 atom % tantalum; with a balance of nickel; cobalt, iron, or combinations thereof. The coating may also include... | 11/05/2002 |
| 6471792 | Stress relaxation resistant brass An alpha brass (copper/zinc alloy with less than 39%, by weight, of zinc) stock alloy has controlled additions of nickel, tin and phosphorous. The combination of nickel and tin increase resistance of the alloy to elevated temperature stress relaxation. As... | 10/29/2002 |
| 6419766 | Cutting-free bronze alloys A cutting-free bronze alloy which is substantially free of lead contains 1 to 13 wt. % of tin, not larger than 18 wt. % of zinc, 0.5 to 6 wt. % of bismuth, 0.05 to 3 wt. % of antimony, not larger than 1 wt. % of phosphorus, less than 0.4 wt. % of lead, an... | 07/16/2002 |
| 6395110 | Copper-based alloy excelling in corrosion resistance, method for production thereof, and products made of the copper-based alloy The present invention provides a copper-based alloy characterized by: having a composition of 58.0 to 63.0% by weight of Cu, 0.5 to 4.5% by weight of Pb, 0.05 to 0.25% by weight of P, 0.5 to 3.0% by weight of Sn, 0.05 to 0.30% by weight of Ni, and the bal... | 05/28/2002 |
| 6379478 | Copper based alloy featuring precipitation hardening and solid-solution hardening A phosphor bronze alloy which contains 0.4 to 3.0 weight % Ni, 0.1 to 1.0 weight % Si, 0.01 to 0.35 weight % P, 1.0 to 11.0 weight % Sn with remainder being substantially Cu.... | 04/30/2002 |
| 6136104 | Copper alloy for terminals and connectors and method for making same A copper alloy which is adapted for use as terminals and connectors, which comprises from 0.1 wt % to less than 0.5 wt % of Ni, from larger than 1.0 wt % to less than 2.5 wt % of Sn, from larger than 1.0 wt % to 15 wt % of Zn, and further comprises from a... | 10/24/2000 |
| 6099663 | Copper alloy and process for obtaining same A copper base alloy consisting essentially of tin in an amount from about 0.1 to about 1.5% by weight, phosphorous in an amount from about 0.01 to about 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, zinc in an amount from abo... | 08/08/2000 |
| 6025081 | Copper-based bearing material and sliding bearing for internal combustion engines The copper-based sliding material has improved seizure resistance, even if it is free of Pb, and enables thinning of the overlay. The copper alloy provided consists of from 0.1 to 2% of Ag, from 1 to 10% of Sn, and the balance consisting of Cu and unavoid... | 02/15/2000 |
| 5997810 | High-strength copper based alloy free from smutting during pretreatment for plating A high-strength Cu based alloy, consists of: Ni: 0.5 to 2.0%; Sn: 1.2 to 2.5%; Si: 0.04 to 0.1%; Zn: 0.1 to 1%; Mg: 0.0001 to 0.02%; Mn: 0.0001 to 0.1%; P: 0.0001 to 0.02%; and Cu and inevitable impurities: the balance, wherein the total content of Mg, Mn and P is 0.001... | 12/07/1999 |
| 5985055 | Copper alloy and process for obtaining same A copper base alloy consisting essentially of tin in an amount from about 1.0 to 11.0% by weight, phosphorous in an amount from about 0.01 to 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, and the balance essentially copper, i... | 11/16/1999 |
| 5882442 | Iron modified phosphor-bronze There is provided a phosphor bronze alloy having a grain structure that is refined by the addition of a controlled amount of iron. Direct chill cast alloys containing from 1.5% to 2.5%, by weight tin, from 1.65% to 2.65% iron, from 0.03% to 0.35% phosphor... | 03/16/1999 |
| 5865910 | Copper alloy and process for obtaining same Copper base alloys consisting essentially of 1.0 to 4.0% tin, 0.01 to 0.20% phosphorous, 0.01 to 0.80% iron, 0.1 to 12.0% zinc and the balance essentially copper, including phosphide particles uniformly distributed throughout the matrix. The alloy is char... | 02/02/1999 |
| 5853505 | Iron modified tin brass There is provided a tin brass alloy having a grain structure that is refined by the addition of controlled amounts of both zinc and iron. Direct chill cast alloys containing from 1% to 4%, by weight of tin, from 0.8% to 4% of iron, from an amount effectiv... | 12/29/1998 |
| 5820701 | Copper alloy and process for obtaining same A copper base alloy consisting essentially of tin in an amount from about 1.0 to 11.0% by weight, phosphorous in an amount from about 0.01 to 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, and the balance essentially copper, i... | 10/13/1998 |
| 5665480 | Copper-lead alloy bearing A copper-lead alloy bearing having a high corrosion resistance, especially a high corrosion resistance to sulfur, comprising a back metal and a copper-lead-based bearing alloy bonded thereto. The copper-lead-based bearing alloy consists of more than 10 bu... | 09/09/1997 |
| 5653827 | Brass alloys Reduced-lead yellow brass alloys are disclosed. The alloys comprise copper; zinc; an amount of bismuth effective to enhance castability of the alloys; and an amount of selenium effective to increase machinability of the alloy. Preferably, the alloys furth... | 08/05/1997 |
| 5637160 | Corrosion-resistant bismuth brass There is provided a machinable +ଲ brass containing bismuth and phosphorous. By maintaining the phosphorous content within a critical range, the alloy exhibits good elevated temperature tensile elongation in the temperature range of 100° C.-3... | 06/10/1997 |
| 5624506 | Copper alloy for use in electrical and electronic parts A copper alloy for use in an electrical and electronic parts contains Fe of 1.8-2.0 weight %, P of 0.025-0.040 weight %, Zn of 1.7-1.9 weight %, Sn of 0.40-1.0 weight %, and Ca of 0.0001-0.01 weight %, the balance being Cu and inevitable impurities. Furth... | 04/29/1997 |
| 5516484 | Copper-nickel-tin based alloy A copper-nickel based alloy, having reduced break-out during casting and reduced cracking during processing in solid state, which consists essentially of 3.1 to 25 wt. % of Ni, 0.1 to 1.5 wt. % of Mn, 0.0001 to 0.0093 wt. % of B, 0.01 to 0.7 wt. % of Si, ... | 05/14/1996 |
| 5508001 | Copper based alloy for electrical and electronic parts excellent in hot workability and blankability A copper based alloy for use as a material for electrical and electronic parts has a chemical composition by weight, of 0.5 to 3% Ni, 0.1 to 0.9% Sn, 0.08 to 0.8% Si, 0.1 to 3 Zn, 0.007 to 0.25% Fe, 0.001 to 0.2% P, 0.001 to 0.2% Mg, 0.0001 to 0.001% C, a... | 04/16/1996 |
| 5445687 | Hot working material of corrosion resistant copper-based alloy A hot working material of corrosion resistant copper-based alloy having a metal composition of 61.0 weight percent to less than 63.0 weight percent copper, 1.0 weight percent to 3.5 weight percent lead, 0.7 weight percent to 1.2 weight percent tin, 0.2 we... | 08/29/1995 |
| 5429794 | Alloys for brazing Alloys for brazing used in heat exchangers, particularly in radiators. The alloys contain 14-31% by weight zinc, 0.1-15% by weight iron, 0.001-0.05% by weight phosphorus and 0-0.09% by weight arsenic, the balance being copper and incidental impurities.... | 07/04/1995 |
| 5413756 | Lead-free bearing bronze Lead-free copper-tin, low friction, castable bearing bronze alloy for industrial applications as bearing, bushing, and guide parts as well as threaded cast parts, with the following weight percentage range. Sn=3-9 Bi=2.5-9 P=0-0.3 Zn=0-1 Ni=0-2 Pb=0-0.35 Cu=Ba... | 05/09/1995 |
| 5387293 | Copper base alloys and terminals using the same A copper base alloy for terminals that is of the Cu-Ni-Sn-P or Cu-Ni-Sn-P-Zn system and that has a tensile strength of at least 50 kgf/mm2, a spring limit of at least 40 kgf/mm2, a stress relaxation of not more than 10% and a conduct... | 02/07/1995 |
| 5378294 | Copper alloys to be used as brazing filler metals The invention relates to low-nickel copper alloys to be used as brazing filler metals, which alloys also contain phosphorus, tin and possibly small amounts of manganese. The alloys are produced by means of atomization methods. Their advantages are low liq... | 01/03/1995 |
| 5330712 | Copper-bismuth alloys An alloy consisting essentially of about 0.1 to 7% bismuth, up to about 16% tin, up to about 25% zinc, up to about 27% nickel, about 0.1 to 1% mischmetal and the balance copper and incidental impurities.... | 07/19/1994 |
| 5286444 | Copper bearing alloy Copper bearing alloy comprises more than 4% by weight and up to 35% by weight of Bi, 0.2 to less than 1.5% by weight of Pb and the rest of Cu. This considerably improves the erosion resistance while maintaining the excellent seizure resistance and fatigue... | 02/15/1994 |
| 5178827 | Copper alloys to be used as brazing filler metals The invention relates to low-nickel copper alloys to be used as brazing filler metals, which alloys also contain phosphor, tin and possibly small amounts of manganese. The alloys are produced by means of rapid solidification. Their advantages are low liqu... | 01/12/1993 |
| 5167726 | Machinable lead-free wrought copper-containing alloys Lead inclusion in copper-containing wrought alloys is coming into disfavor due to health and environmental considerations. Machinability, as well as retention of workability properties, associated with lead inclusion are assured by bismuth together with a... | 12/01/1992 |
