Patents by Inventor Toshiya Anami
Toshiya Anami has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8691031Abstract: An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, a remainder being Al; winding the slab into a coil; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment in such a manner that the sheet is heated to a temperature of 530° C. to 560° C. at a heating rate of 10° C./sec or more and then maintained at the temperature for five seconds or more; quenching the sheet with water; coiling up the sheet; maintaining the sheet at a temperature of 60° C. to 110° C. for 3 to 12 hours; and then cooling the sheet to room temperature.Type: GrantFiled: June 6, 2012Date of Patent: April 8, 2014Assignees: Nippon Light Metal Co., Ltd., Honda Motor Co., Ltd., Novelis Inc.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Simon Barker, Edward Luce
-
Patent number: 8425698Abstract: An aluminum alloy sheet having excellent press formability and stress corrosion cracking resistance, comprises 3.3 to 3.6 percent by weight of Mg and 0.1 to 0.2 percent by weight of Mn, furthermore, 0.05 to 0.3 percent by weight of Fe and 0.05 to 0.15 percent by weight of Si, and the remainder comprises Al and incidental impurities, wherein the sizes of intermetallic compounds is 5 ?m or less, the recrystallized grain size is 15 ?m or less in the region at a depth of 10 to 30 ?m below the sheet surface, and the surface roughness is Ra 0.2 to 0.7 ?m.Type: GrantFiled: July 30, 2004Date of Patent: April 23, 2013Assignees: Nippon Light Metal Co., Ltd, Novelis Inc., Honda Motor Co., Ltd.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Mark Gallerneault, Simon Barker
-
Publication number: 20120291924Abstract: An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, a remainder being Al; winding the slab into a coil; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment in such a manner that the sheet is heated to a temperature of 530° C. to 560° C. at a heating rate of 10° C./sec or more and then maintained at the temperature for five seconds or more; quenching the sheet with water; coiling up the sheet; maintaining the sheet at a temperature of 60° C. to 110° C. for 3 to 12 hours; and then cooling the sheet to room temperature.Type: ApplicationFiled: June 6, 2012Publication date: November 22, 2012Applicants: NIPPON LIGHT METAL CO., LTD., NOVELIS INC., HONDA MOTOR CO., LTD.Inventors: Pizhi ZHAO, Toshiya ANAMI, Ichiro OKAMOTO, Hitoshi KAZAMA, Kunihiro YASUNAGA, Noboru HAYASHI, Kevin GATENBY, Simon BARKER, Edward LUCE
-
Patent number: 8142575Abstract: [PROBLEMS] To provide an aluminum alloy fin material for a heat exchanger, which has high strength and high heat conductivity after brazing, and is excellent in the resistance to sagging, erosion and self-corrosion and the in the sacrificial anode effect. [MEANS FOR SOLVING PROBLEMS] A method for producing an aluminum alloy fin material for a heat exchanger which comprises providing a molten aluminum alloy having a chemical composition, in wt %, that Si: 0.5 to 1.5%, Fe: 0.15 to 1.00%, Mn: 0.8 to 3.0%, Zn: 0.5 to 2.5%, with the proviso that the content of Mg as an impurity is limited to 0.05 wt % or less, and the balance: Al and inevitable impurities, casting the molten alloy continuously into a thin slab having a thickness of 5 to 10 mm by the use of a twin belt casting machine, winding up the slab into a roll, cold-rolling the slab into a sheet having a thickness of 0.05 to 2.0 mm, subjecting the sheet to an inter annealing at 350 to 500° C.Type: GrantFiled: January 28, 2005Date of Patent: March 27, 2012Assignee: Nippon Light Metal Company, Ltd.Inventors: Yoshito Oki, Hideki Suzuki, Haruo Sugiyama, Toshiya Anami, Tomohiro Sasaki
-
Patent number: 8110051Abstract: [PROBLEMS] To provide an aluminum alloy fin material for a heat exchanger, which has high strength and high heat conductivity after brazing, and is excellent in the resistance to sagging, erosion and self-corrosion and the in the sacrificial anode effect. [MEANS FOR SOLVING PROBLEMS] A method for producing an aluminum alloy fin material for a heat exchanger which comprises providing a molten aluminum alloy having a chemical composition, in wt %, that Si: 0.5 to 1.5%, Fe: 0.15 to 1.0%, Mn: 0.8 to 3.0%, Zn: 0.5 to 2.5%, with the proviso that the content of Mg as an impurity is limited to 0.05 wt % or less, and the balance: Al and inevitable impurities, casting the molten alloy continuously into a thin slab having a thickness of 5 to 10 mm by the use of a twin belt casting machine, winding up the slab into a roll, cold-rolling the slab into a sheet having a thickness of 0.05 to 2.0 mm, subjecting the sheet to an inter annealing at 350 to 500° C.Type: GrantFiled: June 19, 2009Date of Patent: February 7, 2012Assignee: Nippon Light Metal Company, Ltd.Inventors: Yoshito Oki, Hideki Suzuki, Haruo Sugiyama, Toshiya Anami, Tomohiro Sasaki
-
Patent number: 8016958Abstract: High strength aluminum alloy sheet having superior surface roughening and formability suitable for home electrical appliances and automobile outer panels and other structural materials and a method of production of the same are provided. High strength aluminum alloy sheet having a chemical composition containing Mg: 2.0 to 3.3 mass %, Mn: 0.1 to 0.5 mass %, and Fe: 0.2 to 1.0 mass %, having a balance of unavoidable impurities and Al, and having an Si among the unavoidable impurities of less than 0.20 mass % and having an average circle equivalent diameter of intermetallic compounds of 1 ?m or less, having an area ratio of intermetallic compounds of 1.2% or more, having an average diameter of recrystallized grains of 10 ?m or less, and having a tensile strength of 220 MPa or more.Type: GrantFiled: May 25, 2007Date of Patent: September 13, 2011Assignee: Nippon Light Metal Company, Ltd.Inventors: Pizhi Zhao, Toshiya Anami, Takayuki Kobayashi, Kiyomi Tsuchiya
-
Publication number: 20100307645Abstract: An aluminum alloy sheet for motor vehicles is produced by casting a melt, containing 3.0-3.5 mass % Mg, 0.05-0.3 mass % Fe, 0.05-0.15 mass % Si, and less than 0.1 mass % Mn, a balance substantially being inevitable impurities and Al, into a slab having a thickness of 5 to 15 mm in a twin-belt caster so that cooling rate at ¼ depth of thickness of the slab is 20 to 200° C./sec; winding the cast thin slab into a coiled thin slab subjected to cold rolling with a roll having a surface roughness of 0.2 to 0.7 ?m Ra at a cold rolling reduction of 50 to 98%; subjecting the cold rolled sheet to final annealing either continuously in a CAL at a holding temperature of 400 to 520° C. or in a batch annealing furnace at a holding temperature of 300 to 400° C.; and subjecting the resulting sheet to straightening with a leveler.Type: ApplicationFiled: February 6, 2008Publication date: December 9, 2010Applicant: Nippon Light Metal Co., Ltd.Inventors: Pizhi Zhao, Toshiya Anami, Kazumitsu Mizushima, Akira Goto, Hitoshi Kazama, Kunihiro Yasunaga
-
Publication number: 20090269613Abstract: High strength aluminum alloy sheet having superior surface roughening and formability suitable for home electrical appliances and automobile outer panels and other structural materials and a method of production of the same are provided. High strength aluminum alloy sheet having a chemical composition containing Mg: 2.0 to 3.3 mass %, Mn: 0.1 to 0.5 mass %, and Fe: 0.2 to 1.0 mass %, having a balance of unavoidable impurities and Al, and having an Si among the unavoidable impurities of less than 0.20 mass % and having an average circle equivalent diameter of intermetallic compounds of 1 ?m or less, having an area ratio of intermetallic compounds of 1.2% or more, having an average diameter of recrystallized grains of 10 ?m or less, and having a tensile strength of 220 MPa or more.Type: ApplicationFiled: May 25, 2007Publication date: October 29, 2009Inventors: Pizhi Zhao, Toshiya Anami, Takayuki Kobayashi, Kiyomi Tsuchiya
-
Publication number: 20090260726Abstract: [PROBLEMS] To provide an aluminum alloy fin material for a heat exchanger, which has high strength and high heat conductivity after brazing, and is excellent in the resistance to sagging, erosion and self-corrosion and the in the sacrificial anode effect. [MEANS FOR SOLVING PROBLEMS] A method for producing an aluminum alloy fin material for a heat exchanger which comprises providing a molten aluminum alloy having a chemical composition, in wt %, that Si: 0.5 to 1.5%, Fe: 0.15 to 1.0%, Mn: 0.8 to 3.0%, Zn: 0.5 to 2.5%, with the proviso that the content of Mg as an impurity is limited to 0.05 wt % or less, and the balance: Al and inevitable impurities, casting the molten alloy continuously into a thin slab having a thickness of 5 to 10 mm by the use of a twin belt casting machine, winding up the slab into a roll, cold-rolling the slab into a sheet having a thickness of 0.05 to 2.0 mm, subjecting the sheet to an inter annealing at 350 to 500° C.Type: ApplicationFiled: June 19, 2009Publication date: October 22, 2009Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Yoshito OKI, Hideki SUZUKI, Haruo SUGIYAMA, Toshiya ANAMI, Tomohiro SASAKI
-
Publication number: 20090081072Abstract: An aluminum alloy sheet is manufactured by preparing a slab having a thickness of 5 to 15 mm with a continuous casting machine by a continuous casting process using molten alloy containing following components: 0.40% to 0.65% of Mg, 0.50% to 0.75% of Si, 0.05% to 0.20% of Cr, and 0.10% to 0.40% of Fe, remainder being Al, the components being essential elements, and optionally up to 0.15% Cu, 0.10% Ti; winding the slab into a coil; hot-rolling or directly coiling up the slab; cold-rolling the slab into a sheet; subjecting the sheet to solution heat treatment with a continuous annealing furnace; and then pre-aging the sheet. The aluminum alloy sheet has the same composition as the molten alloy, has a grain size of 10 to 25 ?m, is superior in bake hardenability, bendability, and surface quality (orange peel), and can be manufactured with low cost.Type: ApplicationFiled: May 25, 2005Publication date: March 26, 2009Applicants: NIPPON LIGHT METAL CO., LTD, HONDA MOTOR., LTD., NOVELIS INC.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Simon Barker, Edward Luce
-
Publication number: 20090007994Abstract: An aluminum alloy sheet having excellent press formability and stress corrosion cracking resistance, comprises 3.3 to 3.6 percent by weight of Mg and 0.1 to 0.2 percent by weight of Mn, furthermore, 0.05 to 0.3 percent by weight of Fe and 0.05 to 0.15 percent by weight of Si, and the remainder comprises Al and incidental impurities, wherein the sizes of intermetallic compounds is 5 ?m or less, the recrystallized grain size is 15 ?m or less in the region at a depth of 10 to 30 ?m below the sheet surface, and the surface roughness is Ra 0.2 to 0.7 ?m.Type: ApplicationFiled: July 30, 2004Publication date: January 8, 2009Applicants: NOVELIS INC., NIPPON LIGHT METAL CO., LTD., HONDA MOTOR CO., LTD.Inventors: Pizhi Zhao, Toshiya Anami, Ichiro Okamoto, Hitoshi Kazama, Kunihiro Yasunaga, Noboru Hayashi, Kevin Gatenby, Mark Gallerneault, Simon Barker
-
Publication number: 20070144630Abstract: [Objectives] Strengthening, cost reduction, and improvement of press formability and bake hardenability of aluminum alloy sheets. [Means for achieving objectives] A manufacturing method for Al—Mg—Si aluminum alloy sheet with excellent bake hardenability, characterized by twin belt casting a molten Al—Mg—Si aluminum alloy containing Mg: 0.3-1.0 wt %, Si: 0.3-1.5 wt %, Cu: 1.0 wt % or below (including 0%), and Fe: 1.2 wt % or below (including 0%), and containing Mn: 0.1-0.7 wt % and/or Cr: 0.1-0.3% according to need, and the remnant being Al at an average cooling rate of 20 degrees C. or above, and at that time, making the temperature of the ingot as it comes out of the casting machine 250 degrees C. or below, and then rolling to the final sheet thickness by cold rolling only and without homogenization or hot rolling, and solution treatment being done in a continuous annealing furnace.Type: ApplicationFiled: December 22, 2004Publication date: June 28, 2007Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Toshiya Anami, Pizhi Zhao, Takayuki Kobayashi
-
Publication number: 20070113936Abstract: [PROBLEMS] To provide an aluminum alloy fin material for a heat exchanger, which has high strength and high heat conductivity after brazing, and is excellent in the resistance to sagging, erosion and self-corrosion and the in the sacrificial anode effect. [MEANS FOR SOLVING PROBLEMS] A method for producing an aluminum alloy fin material for a heat exchanger which comprises providing a molten aluminum alloy having a chemical composition, in wt %, that Si: 0.5 to 1.5%, Fe: 0.15 to 1.00%, Mn: 0.8 to 3.0%, Zn: 0.5 to 2.5%, with the proviso that the content of Mg as an impurity is limited to 0.05 wt % or less, and the balance: Al and inevitable impurities, casting the molten alloy continuously into a thin slab having a thickness of 5 to 10 mm by the use of a twin belt casting machine, winding up the slab into a roll, cold-rolling the slab into a sheet having a thickness of 0.05 to 2.0 mm, subjecting the sheet to an inter annealing at 350 to 500® C.Type: ApplicationFiled: January 28, 2005Publication date: May 24, 2007Applicant: Nippon Light Metal Company,LtdInventors: Yoshito Oki, Hideki Suzuki, Haruo Sugiyama, Toshiya Anami, Tomohiro Sasaki
-
Patent number: 6663729Abstract: An aluminum alloy foil is formed from an alloy containing about 1.2 to 1.7% by weight Fe and about 0.35 to 0.80% by weight Si, with the balance aluminum and incidental impurities. The alloy is continuously strip cast to form a strip having a thickness less than about 25 mm, which is then cold rolled to interanneal gauge and interannealed at a temperature of at least 400° C. The interannealed strip is cold rolled and further annealed to form the final foil product, having excellent rollability combined with high strength of the final foil.Type: GrantFiled: February 13, 2001Date of Patent: December 16, 2003Assignee: Alcan International LimitedInventors: Iljoon Jin, Kevin Gatenby, Christopher Gabryel, Toshiya Anami, Takahiko Watai, Ichiro Okamoto
-
Patent number: 6592688Abstract: An improved aluminum alloy fin stock is described having both a high strength and a high thermal conductivity. The fin stock contains 1.2-1.8% Fe, 0.7-0.95% Si, 0.3-0.5% Mn, 0.3-1.2% Zn and the balance Al, and is produced by continuously strip casting the alloy at a cooling rate greater than 10° C./sec. but less than 200° C./sec., hot rolling the strip to a re-roll sheet without homogenization, cold rolling the re-roll sheet to an intermediate gauge, annealing the sheet and cold rolling the sheet to final gauge. This fin stock has a conductivity after brazing of greater than 49.8% IACS.Type: GrantFiled: July 23, 1998Date of Patent: July 15, 2003Assignee: Alcan International LimitedInventors: Iljoon Jin, Jean-Pierre Martin, Willard Mark Truman Gallerneault, Toshiya Anami, Kevin Michael Gatenby, Ichiro Okamoto, Yoshito Oki
-
Publication number: 20020153068Abstract: An aluminum alloy foil is formed from an alloy containing about 1.2 to 1.7% by weight Fe and about 0.35 to 0.80% by weight Si, with the balance aluminum and incidental impurities. The alloy is continuously strip cast to form a strip having a thickness less than about 25 mm, which is then cold rolled to interanneal gauge and interannealed at a temperature of at least 400° C. The interannealed strip is cold rolled and further annealed to form the final foil product, having excellent rollability combined with high strength of the final foil.Type: ApplicationFiled: February 13, 2001Publication date: October 24, 2002Inventors: Iljoon Jin, Kevin Gatenby, Christopher Gabryel, Toshiya Anami, Takahiko Watai, Ichiro Okamoto
-
Patent number: 6238497Abstract: A method of producing an aluminum alloy fin stock material, comprising the steps of continuously strip casting an aluminum finstock alloy to form an as-cast strip, rolling the as-cast strip to form a sheet article of intermediate gauge, annealing the sheet article of intermediate gauge, and cold rolling the annealed sheet article of intermediate gauge to produce an aluminum finstock material of final gauge. The steps are carried out on a finstock alloy which comprises the following elements in weight percent: Fe 1.6 to 2.4; Si 0.7 to 1.1; Mn 0.3 to 0.6; Zn 0.3 to 2.0; Ti 0.005 to 0.040; incidental elements less than 0.05 each, total no more than 0.15; and the balance aluminum. The invention also relates to the finstock material so-produced which has good thermal conductivity, and is suitable for use in thin gauge (e.g. less than 100 &mgr;m, and preferably 60±10 &mgr;m).Type: GrantFiled: January 21, 2000Date of Patent: May 29, 2001Assignee: Alcan International LimitedInventors: Iljoon Jin, Kevin Gatenby, Willard Mark Truman Gallerneault, Toshiya Anami, Yoshito Oki, Ichiro Okamoto
-
Publication number: 20010001402Abstract: An improved aluminum alloy fin stock is described having both a high strength and a high thermal conductivity. The fin stock contains 1.2-1.8% Fe, 0.7-0.95% Si, 0.3-0.5% Mn, 0.3-1.2% Zn and the balance Al, and is produced by continuously strip casting the alloy at a cooling rate greater than 10° C./sec. but less than 200° C./sec., hot rolling the strip to a re-roll sheet without homogenization, cold rolling the re-roll sheet to an intermediate gauge, annealing the sheet and cold rolling the sheet to final gauge. This fin stock has a conductivity after brazing of greater than 49.8% IACS.Type: ApplicationFiled: July 23, 1998Publication date: May 24, 2001Applicant: Iljoon Jin Et AlInventors: IIJOON JIN, JEAN-PIERRE MARTIN, WILLARD MARK TRUMAN GALLERNEAULT, TOSHIYA ANAMI, KEVIN MICHAEL GATENBY, ICHIRO OKAMOTO, YOSHITO OKI
-
Patent number: 6165291Abstract: An aluminum alloy fin stock of lower (more negative) corrosion potential and higher thermal conductivity is produced by a process, which comprises continuously strip casting the alloy to form a strip, cold rolling the strip to an intermediate gauge sheet, annealing the sheet and cold rolling the sheet to final gauge. Lower corrosion potential and higher thermal conductivity are imparted by carrying out the continuous strip casting while cooling the alloy at a rate of at least 300.degree. C./second, e.g. by conducting the casting step in a twin-roll caster.Type: GrantFiled: January 21, 2000Date of Patent: December 26, 2000Assignee: Alcan International LimitedInventors: Iljoon Jin, Kevin Gatenby, Toshiya Anami, Yoshito Oki