Patents by Inventor Yasuhide Oshima
Yasuhide Oshima 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).
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Publication number: 20150107326Abstract: A method of DI forming a laminated metal sheet includes drawing a laminated metal sheet; and redrawing and ironing the drawn laminated metal sheet, wherein a water-based coolant including (a) at least one base selected from the group consisting of alkanolamines and alkali metal hydroxides, (b) a fatty acid, and (c) water is used in the redrawing and ironing, and wherein a total content of the base (a) and the fatty acid (b) is 0.02 to 4% by mass and a ratio of a straight-chain fatty acid having a carbon number of 6 to 12 in the fatty acid (b) is 80 to 100% by mass.Type: ApplicationFiled: December 22, 2014Publication date: April 23, 2015Inventors: Yasuhide Oshima, Masaki Tada, Hiroki Iwasa, Katsumi Kojima, Junichi Kitagawa, Yoshihiko Yasue, Toshikazu Ikeda, Tomohiro Kanokogi, Takeyoshi Fukuda
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Patent number: 9011609Abstract: An ironing apparatus includes an ironing die and an ironing punch, an injection port for injecting gas or liquid to the metal plate at a high pressure to remove substance adhered to the metal plate therefrom, a suction port for sucking the adhered substance removed from the metal plate, and a protrusion mount portion with a protrusion for preventing dispersion of the gas or the liquid. An ironing method for ironing the metal plate having the single surface or both surfaces coated with the organic resin film includes the steps of injecting the gas or the liquid from the injection port to the metal plate at the high pressure to remove the adhered substance from the metal plate, and sucking and collecting the adhered substance removed from the metal plate from the suction port. The adhered substance such as the hair may be removed by the aforementioned invention.Type: GrantFiled: March 19, 2009Date of Patent: April 21, 2015Assignee: JFE Steel CorporationInventors: Yusuke Nakagawa, Masaki Tada, Katsumi Kojima, Yasuhide Oshima, Hiroki Iwasa
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Patent number: 8962538Abstract: A DI forming water-based coolant of a laminated metal sheet includes at least one kind of base (a) selected from alkanolamines and alkali metal hydroxides, a fatty acid (b), and water (c), wherein the total content of the base (a) and the fatty acid (b) is 0.02 to 4% by mass and the ratio of a straight-chain fatty acid having a carbon number of 6 to 12 in the fatty acid (b) is 80 to 100% by mass.Type: GrantFiled: May 26, 2009Date of Patent: February 24, 2015Assignees: JFE Steel Corporation, Nippon Quaker Chemical, Ltd.Inventors: Yasuhide Oshima, Masaki Tada, Hiroki Iwasa, Katsumi Kojima, Junichi Kitagawa, Yoshihiko Yasue, Toshikazu Ikeda, Tomohiro Kanokogi, Takeyoshi Fukuda
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Patent number: 8905256Abstract: A resin-coated metal sheet includes resin layers formed on both surfaces thereof and composed of a polyester as a main component, wherein the resin layer covering the inner surface of a container after the formation thereof has an interfacial free energy with water of 30 mN/m or more. The container formed from the resin-coated metal sheet exhibits an excellent content release property for contents with a high protein content.Type: GrantFiled: July 26, 2006Date of Patent: December 9, 2014Assignee: JFE Steel CorporationInventors: Yoichiro Yamanaka, Junichi Kitagawa, Yoshihiko Yasue, Yasuhide Oshima, Hiroshi Kubo, Hiroki Iwasa, Shinsuke Watanabe, Katsunori Nakai
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Publication number: 20140342180Abstract: A zinc or zinc alloy coated steel sheet has a surface-treatment film formed thereon in a coating weight per one surface of 100 to 600 mg/m2. The surface-treatment film is obtained by applying, onto a surface of the zinc or zinc alloy coated steel sheet, the surface-treatment solution prepared by mixing the following components at specific ratios, the surface-treatment solution having pH of 8 to 10: a silane compound (A) having a hydrolyzable group, obtained from a silane coupling agent (a1) having a glycidyl group, a tetraalkoxysilane (a2), and a chelating agent (a3); a zirconium carbonate compound (B); a vanadate compound (C); a nitric compound (D); and water, and by subsequently heating and drying the surface-treatment solution thus applied.Type: ApplicationFiled: September 12, 2012Publication date: November 20, 2014Applicant: JFE STEEL CORPORATIONInventors: Rie Kaneko, Takeshi Matsuda, Akira Matsuzaki, Yasuhide Oshima
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Patent number: 8828512Abstract: There is provided a laminated metal sheet used for making a highly processed two-piece can body which endures harsh conditions such as retort treatment, and a two-piece can body made of the laminated steel sheet. A laminated metal sheet for a two-piece can body, including a metal sheet having a polyester resin film layer on each side of the metal sheet, the polyester resin film layer to be the outside of the can body having a crystallization temperature of 60 to 100° C., and the surface of the polyester resin film layer having a center line surface roughness (Ra) of 0.2 to 1.8 ?m. The polyester resin film layer to be the outside of the can body is preferably composed of 40 to 100% by mass of a resin composed mainly of butylene terephthalate and 0 to 60% by mass of a resin composed mainly of ethylene terephthalate.Type: GrantFiled: February 5, 2009Date of Patent: September 9, 2014Assignee: JFE Steel CorporationInventors: Yasuhide Oshima, Masaki Tada, Hiroki Iwasa, Katsumi Kojima, Yoichiro Yamanaka, Yoshihiko Yasue
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Publication number: 20140186614Abstract: An electrical steel sheet with an insulation coating excellent in punchability, coating adhesion property and coating film property after annealing, even without containing any chromium compound in the insulation coating. The insulation coating is formed by applying a surface-treatment agent to at least one side of the electrical steel sheet and drying the surface-treatment agent. The surface-treatment agent contains trialkoxysilane and/or dialkoxysilane (A) in which a substituent bound to Si is constituted only by at least one non-reactive substituent selected from the group consisting of hydrogen, an alkyl group, and a phenyl group; and a silane coupling agent (B), at a mass ratio (A/B) of 0.05 to 1.0.Type: ApplicationFiled: August 29, 2012Publication date: July 3, 2014Applicant: JFE Steel CorporationInventors: Nobue Fujibayashi, Kazumichi Sashi, Yusuke Okumura, Yasuhide Oshima, Takahiro Kubota, Masayasu Nagoshi
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Patent number: 8727155Abstract: A can body for a two-piece can made of a laminated steel sheet, the laminated steel sheet containing a steel sheet and a copolyethylene terephthalate resin layer containing at least hyone member selected from the group consisting of isophthalic acid and cyclohexane dimethanol as a copolymer component in a proportion of 5 to 20 mol %, and having a crystallization temperature of 120° C. to 140° C. on at least one side of the steel sheet; and satisfying the following relationships: r1?r, 0.1?r1/R?0.25, and 1.5?h/(R?r)?4, wherein r1 represents the minimum radius of the can body, r represents the maximum radius of the can body, h represents the height of the can body, and R represents the radius of the laminated steel sheet having a circular shape before shaping whose weight is the same as that of the can body. The can body has a high strain level, and does not suffer from delamination and breakage of the resin layer.Type: GrantFiled: December 21, 2012Date of Patent: May 20, 2014Assignee: JFE Steel CorporationInventors: Yasuhide Oshima, Hiroki Iwasa, Yoshihiko Yasue, Yuka Nishihara, Katsumi Kojima, Hiroshi Kubo
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Patent number: 8074483Abstract: We manufacture a two-piece can by the method using a laminated steel sheet as the base material, having the steps of: drawing a cylindrical blank for several times to form a can body in a shape of cylinder integrated with bottom; forming a tapered part extending outward from the can body in the radial direction thereof at the tip of the opening of the can body; applying diametral reduction to the tapered part to the diameter of the can body; and applying diametral reduction to the opening side of the can body to a diameter smaller than the diameter of the can body, while satisfying the formulae (1) and (2), 1.5?h/(R?R)??(1) d/R?0.25??(2) where h is the height from the can bottom to the tip of the opening, R is the circular blank positional radius, r is the radius of the can bottom, and d is the radius of the tip of the opening.Type: GrantFiled: August 10, 2006Date of Patent: December 13, 2011Assignee: JFE Steel CorrporationInventors: Katsumi Kojima, Yuka Nishihara, Hiroshi Kubo, Yoshihiko Yasue, Yasuhide Oshima, Hiroki Iwasa
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Publication number: 20110114128Abstract: An ironing apparatus includes an ironing die and an ironing punch, an injection port for injecting gas or liquid to the metal plate at a high pressure to remove substance adhered to the metal plate therefrom, a suction port for sucking the adhered substance removed from the metal plate, and a protrusion mount portion with a protrusion for preventing dispersion of the gas or the liquid. An ironing method for ironing the metal plate having the single surface or both surfaces coated with the organic resin film includes the steps of injecting the gas or the liquid from the injection port to the metal plate at the high pressure to remove the adhered substance from the metal plate, and sucking and collecting the adhered substance removed from the metal plate from the suction port. The adhered substance such as the hair may be removed by the aforementioned invention.Type: ApplicationFiled: March 19, 2009Publication date: May 19, 2011Applicant: JFE Steel CorporationInventors: Yusuke Nakagawa, Masaki Tada, Katsumi Kojima, Yasuhide Oshima, Hiroki Iwasa
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Publication number: 20110067798Abstract: A DI forming water-based coolant of a laminated metal sheet includes at least one kind of base (a) selected from alkanolamines and alkali metal hydroxides, a fatty acid (b), and water (c), wherein the total content of the base (a) and the fatty acid (b) is 0.02 to 4% by mass and the ratio of a straight-chain fatty acid having a carbon number of 6 to 12 in the fatty acid (b) is 80 to 100% by mass.Type: ApplicationFiled: May 26, 2009Publication date: March 24, 2011Applicants: JFE STEEL CORPORATION, NIPPON QUAKER CHEMICAL, LTD.Inventors: Yasuhide Oshima, Masaki Tada, Hiroki Iwasa, Katsumi Kojima, Junichi Kitagawa, Yoshihiko Yasue, Toshikazu Ikeda, Tomohiro Kanokogi, Takeyoshi Fukuda
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Patent number: 7871230Abstract: The mold apparatus has a pair of upper and lower molds being used for forming a score on one side surface of an easy-opening can end fabricated by a laminated metal sheet. The upper mold has a convex part for forming the score, and the cross sectional shape of the convex part at the portion contacting the laminated metal sheet is composed of a curve having a change rate of inclination of 0.08 or smaller to the upper surface of the facing lower mold, or having the curve and a straight line. The formed score has a maximum width of 0.80 mm or smaller.Type: GrantFiled: November 22, 2004Date of Patent: January 18, 2011Assignee: JFE Steel CorporationInventors: Hiroshi Kubo, Katsumi Kojima, Yasuhide Oshima, Yoshihiko Yasue, Hiroki Iwasa
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Publication number: 20100310824Abstract: There is provided a laminated metal sheet used for making a highly processed two-piece can body which endures harsh conditions such as retort treatment, and a two-piece can body made of the laminated steel sheet. A laminated metal sheet for a two-piece can body, including a metal sheet having a polyester resin film layer on each side of the metal sheet, the polyester resin film layer to be the outside of the can body having a crystallization temperature of 60 to 100° C., and the surface of the polyester resin film layer having a center line surface roughness (Ra) of 0.2 to 1.8 ?m. The polyester resin film layer to be the outside of the can body is preferably composed of 40 to 100% by mass of a resin composed mainly of butylene terephthalate and 0 to 60% by mass of a resin composed mainly of ethylene terephthalate.Type: ApplicationFiled: February 5, 2009Publication date: December 9, 2010Applicant: JFE STEEL CORPORATIONInventors: Yasuhide Oshima, Masaki Tada, Hiroki Iwasa, Katsumi Kojima, Yoichiro Yamanaka, Yoshihiko Yasue
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Publication number: 20100096279Abstract: A laminated steel sheet used as a raw material has a tensile strength TS after forming at an equivalent strain ?eq of 1.6 is 800 MPa or less and satisfies 0.25?tb/to where tb is a sheet thickness at a fracture surface after fracture and to is a sheet thickness before the fracture. In forming the laminated steel sheets, forming is conducted so as to satisfy the relationships below: 1.5?h/(R?r), 2.8?R/r1, and 1.1?r2/r1 where h: a height from a can bottom to an opening edge portion; r: an outer diameter of a can body; R: a radius of a circular blank before forming having a weight equivalent to a weight of a final formed can body; r1: an outer radius of an opening edge portion; and r2: an outer radius of a bead portion.Type: ApplicationFiled: December 3, 2007Publication date: April 22, 2010Applicant: JFE STEEL CORPORATIONInventors: Katsumi Kojima, Yuka Nishihara, Yasuhide Oshima, Hiroki Iwasa, Hiroshi Kubo
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Publication number: 20100025283Abstract: Provided is a laminated steel sheet for a can body of a two-piece can, containing a copolyethylene terephthalate resin layer containing at least one member selected from the group consisting of isophthalic acid and cyclohexane dimethanol as a copolymer component in a proportion of 5 to 20 mol % and having a crystallization temperature of 120° C. to 140° C. on at least one side of a steel sheet; and satisfying the following relationships: r1?r, 0.1?r1/R?0.25, and 1.5?h/(R?r)?4, wherein r1 represents the minimum radius of the can body, r represents the maximum radius of the can body, h represents the height of the can body, and R represents the radius of the laminated steel sheet having a circular shape before shaping whose weight is the same as that of the can body. The laminated steel sheet is suitable for a can body of a two-piece can having a high strain level, and can provide a two-piece can body which is free from delamination and breakage of the resin layer.Type: ApplicationFiled: October 25, 2007Publication date: February 4, 2010Inventors: Yasuhide Oshima, Hiroki Iwasa, Yoshihiko Yasue, Yuka Nishihara, Katsumi Kojima, Hiroshi Kubo
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Publication number: 20100000632Abstract: A laminated steel sheet for a two-piece can body with a high strain level satisfying the following formulae, the polyester resin layer composing the laminated steel sheet having a center line surface roughness (Ra) of 0.2 ?m to 1.8 ?m: r1?r, 0.1?r1/R?0.25, and 1.5?h/(R?r)?4 wherein h is the height of the two-piece can body, r is the maximum radius, r1 is the minimum radius, and R is the radius of the circular laminated steel sheet before forming having the same weight as the can body.Type: ApplicationFiled: January 18, 2008Publication date: January 7, 2010Applicant: JFE STEEL CORPORATIONInventors: Yasuhide Oshima, Junichi Kitagawa, Hiroki Iwasa, Katsumi Kojima, Hiroshi Kubo
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Publication number: 20090217729Abstract: We manufacture a two-piece can by the method using a laminated steel sheet as the base material, having the steps of: drawing a cylindrical blank for several times to form a can body in a shape of cylinder integrated with bottom; forming a tapered part extending outward from the can body in the radial direction thereof at the tip of the opening of the can body; applying diametral reduction to the tapered part to the diameter of the can body; and applying diametral reduction to the opening side of the can body to a diameter smaller than the diameter of the can body, while satisfying the formulae (1) and (2) 1.5?h/(R?r)??(1) d/R?0.25??(2) where h is the height from the can bottom to the tip of the opening, R is the circular blank positional radius, r is the radius of the can bottom, and d is the radius of the tip of the opening.Type: ApplicationFiled: August 10, 2006Publication date: September 3, 2009Inventors: Katsumi Kojima, Yuka Nishihara, Hiroshi Kubo, Yoshihiko Yasue, Yasuhide Oshima, Hiroki Iwasa
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Publication number: 20090068481Abstract: A resin-coated metal sheet includes resin layers formed on both surfaces thereof and composed of a polyester as a main component, wherein the resin layer covering the inner surface of a container after the formation thereof has an interfacial free energy with water of 30 mN/m or more. The container formed from the resin-coated metal sheet exhibits an excellent content release property for contents with a high protein content.Type: ApplicationFiled: July 26, 2006Publication date: March 12, 2009Inventors: Yoichiro Yamanaka, Junichi Kitagawa, Yoshihiko Yasue, Yasuhide Oshima, Hiroshi Kubo, Hiroki Iwasa, Shinsuke Watanabe, Katsunori Nakai
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Publication number: 20090061133Abstract: A two-piece can has sufficient can strength and excellent corrosion resistance and to provide a method for forming the two-piece can easily without generating cracks. The two-piece can uses a laminated steel sheet as the base material and having a can body in a shape of cylinder integrated with bottom. The can body is treated by diametral reduction to become the diameter of opening side thereof smaller than the diameter of can body, and to satisfy the formulae (1) and (2). There is formed a bead at the opening side of the can body, being curled outward from the can at the tip of the opening in a shape of circular arc or vertically long ellipse in cross section, and is further formed a bead having a cross sectional shape of further curled at the tip thereof, an upper bead, and a lower bead: 1.5?h/(R?r)??(1) d/R?0.25??(2) where, h is the height from the can bottom to the tip of the opening, R is the net blank radius, r is the radius of the can bottom, and d is the radius of the tip of the opening.Type: ApplicationFiled: August 10, 2006Publication date: March 5, 2009Applicant: JFE Steel Corporation a corporation of JapanInventors: Katsumi Kojima, Yuka Nishihara, Hiroshi Kubo, Yoshihiko Yasue, Yasuhide Oshima, Hiroki Iwasa
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Publication number: 20070267423Abstract: The mold apparatus has a pair of upper and lower molds being used for forming a score on one side surface of an easy-opening can end fabricated by a laminated metal sheet. The upper mold has a convex part for forming the score, and the cross sectional shape of the convex part at the portion contacting the laminated metal sheet is composed of a curve having a change rate of inclination of 0.08 or smaller to the upper surface of the facing lower mold, or having the curve and a straight line. The formed score has a maximum width of 0.80 mm or smaller.Type: ApplicationFiled: November 22, 2004Publication date: November 22, 2007Applicant: JFE STEEL CORPORATIONInventors: Hiroshi Kubo, Katsumi Kojima, Yasuhide Oshima, Yoshihiko Yasue, Hiroki Iwasa