Patents Assigned to Okano Kogyo Co., Ltd.
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Patent number: 7587820Abstract: Side hole-bearing tubular bodies made of metal and having an inside diameter of up to 2 mm are manufactured by a method which includes punching from a metal sheet a sheet blank in the developed shape of a tubular body and punching in the sheet blank a hole which corresponds to the side hole in the tubular body and/or notches which form the side hole when the sheet blank is pressed into a tubular shape, in such a way that the metal sheet and the sheet blank remain partly joined; pressing the sheet blank into a tubular shape; and cutting apart the metal sheet and the sheet blank where they remain joined. Metal tubular bodies manufactured in this way can have one or more side holes of any shape, position or number thereon, and are highly suitable for use in medical devices such as syringe needles.Type: GrantFiled: February 23, 2005Date of Patent: September 15, 2009Assignees: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Patent number: 7104103Abstract: A small diameter metal tube whose inner surface is smooth and its production method are provided. The metal tube has an inner diameter of up to 1.0 mm and its inner surface has a maximum height difference (Rf) in the surface roughness of up to 3 ?m.Type: GrantFiled: July 8, 2005Date of Patent: September 12, 2006Assignees: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Patent number: 7082795Abstract: A small diameter metal tube having at least two inner diameters is provided. A method for producing this metal tube is also provided. In this method, a plate member having a development shape of the metal tube is blanked from a metal thin plate so that the plate member is left partly tied to the metal thin plate, the plate member is press formed into a tubular body having the at least two inner diameters, and the plate member partly tied to the metal thin plate is cut apart to produce the metal tube having at least two inner diameters.Type: GrantFiled: January 18, 2005Date of Patent: August 1, 2006Assignees: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Publication number: 20050241357Abstract: A small diameter metal tube whose inner surface is smooth and its production method are provided. The metal tube has an inner diameter of up to 1.0 mm and its inner surface has a maximum height difference (Rf) in the surface roughness of up to 3 ?m.Type: ApplicationFiled: July 8, 2005Publication date: November 3, 2005Applicants: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Patent number: 6915821Abstract: A small diameter metal tube whose inner surface is smooth and its production method are provided. The metal tube has an inner diameter of up to 1.0 mm and its inner surface has a maximum height difference (Rf) in the surface roughness of up to 3 ?m.Type: GrantFiled: October 30, 2002Date of Patent: July 12, 2005Assignees: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Publication number: 20050126241Abstract: A small diameter metal tube having at least two inner diameters is provided. A method for producing this metal tube is also provided. In this method, a plate member having a development shape of the metal tube is blanked from a metal thin plate so that the plate member is left partly tied to the metal thin plate, the plate member is press formed into a tubular body having the at least two inner diameters, and the plate member partly tied to the metal thin plate is cut apart to produce the metal tube having at least two inner diameters.Type: ApplicationFiled: January 18, 2005Publication date: June 16, 2005Applicants: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Patent number: 6883552Abstract: A small diameter metal tube having at least two inner diameters is provided. A method for producing this metal tube is also provided. In this method, a plate member having a development shape of the metal tube is blanked from a metal thin plate so that the plate member is left partly tied to the metal thin plate, the plate member is press formed into a tubular body having the at least two inner diameters, and the plate member partly tied to the metal thin plate is cut apart to produce the metal tube having at least two inner diameters.Type: GrantFiled: December 27, 2002Date of Patent: April 26, 2005Assignees: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Patent number: 6877652Abstract: Side hole-bearing tubular bodies made of metal and having an inside diameter of up to 2 mm are manufactured by a method which includes punching from a metal sheet a sheet blank in the developed shape of a tubular body and punching in the sheet blank a hole which corresponds to the side hole in the tubular body and/or notches which form the side hole when the sheet blank is pressed into, a tubular shape, in such a way that the metal sheet and the sheet blank remain partly joined; pressing the sheet blank into a tubular shape; and cutting apart the metal sheet and the sheet blank where they remain joined. Metal tubular bodies manufactured in this way can have one or more side holes of any shape, position or number thereon, and are highly suitable for use in medical devices such as syringe needles.Type: GrantFiled: December 27, 2002Date of Patent: April 12, 2005Assignees: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Patent number: 6748786Abstract: A metal tubular body of small diameter having a varying wall thickness is provided. The tubular body has a minimum inner diameter of up to 2 mm and a maximum wall thickness of up to 0.5 mm, and the wall thickness varies along its longitudinal axis.Type: GrantFiled: February 28, 2003Date of Patent: June 15, 2004Assignees: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano
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Publication number: 20030211352Abstract: A metal tubular body of small diameter having a varying wall thickness is provided. The tubular body has a minimum inner diameter of up to 2 mm and a maximum wall thickness of up to 0.5 mm, and the wall thickness varies along its longitudinal axis.Type: ApplicationFiled: February 28, 2003Publication date: November 13, 2003Applicants: Terumo Kabushiki Kaisha, Okano Kogyo Co., Ltd.Inventors: Tetsuya Ooyauchi, Masayuki Okano