Patents by Inventor Hideki Kono
Hideki Kono 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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Patent number: 10294339Abstract: A method for producing a modified molded article which includes molding a fluororesin to provide a molded article and irradiating the molded article with radiation at an irradiation dose of lower than 100 kGy at 50° C. to 200° C. to provide a modified molded article.Type: GrantFiled: January 18, 2016Date of Patent: May 21, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi Imamura, Tatsuya Funaoka, Hideki Kono
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Publication number: 20180265654Abstract: The present invention aims to provide a method for producing a modified molded article that has favorable appearance, high breaking strength, and excellent abrasion resistance, as well as excellently low permeability to nitrogen gas and hydrochloric acid. The method for producing a modified molded article of the present invention includes molding a fluororesin to provide a molded article and irradiating the molded article with radiation at an irradiation dose of lower than 100 kGy at 50° C. to 200° C. to provide a modified molded article.Type: ApplicationFiled: May 21, 2018Publication date: September 20, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi IMAMURA, Tatsuya FUNAOKA, Hideki KONO
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Patent number: 9963564Abstract: A modified fluorine-containing copolymer obtained by irradiating a copolymer with radiation at a temperature of not higher than the melting point of the copolymer. The copolymer includes at least one copolymer selected from a copolymer including a tetrafluoroethylene unit and a perfluoro(alkyl vinyl ether) unit and a copolymer including a tetrafluoroethylene unit and a hexafluoropropylene unit, and has 10 to 10000 functional groups in total per 106 carbon atoms.Type: GrantFiled: December 19, 2014Date of Patent: May 8, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi Imamura, Takahisa Aoyama, Hideki Kono, Tatsuya Funaoka, Hirokazu Itou
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Patent number: 9851031Abstract: A joint is connected to a tube and includes a joint body, nut, and ring. The joint body has a tube coupling part and a main body thread part. The nut has a nut thread part and a constricted diameter part. The ring is arranged in a space radially inward of the nut thread part. The ring abuts an abutted part of the nut. The ring has a Young's modulus greater than the tube. The ring has a curved surface part at least at a radially inward portion of the ring axially on the joint body side, the curved surface part bulging radially inward of the ring and axially toward the joint body side. A maximum thickness of the ring in a radial direction is defined as 2r, an axial length of the curved surface part of the ring is defined as h, and ?=h/r being 0.5 to 1.2.Type: GrantFiled: September 2, 2015Date of Patent: December 26, 2017Assignee: Daikin Industries, Ltd.Inventors: Hitoshi Imamura, Jihong Liu, Hideki Kono
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Patent number: 9831014Abstract: A heat-resistant electric wire including a core wire and a coating that covers the core wire. The coating is formed from a modified fluorine-containing copolymer that is obtained by irradiating a copolymer with radiation at an exposure of 250 kGy or lower at a temperature of not higher than the melting point of the copolymer. The copolymer is at least one copolymer selected from a copolymer including a tetrafluoroethylene unit and a perfluoro(alkyl vinyl ether) unit and a copolymer including a tetrafluoroethylene unit and a hexafluoropropylene unit.Type: GrantFiled: December 19, 2014Date of Patent: November 28, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi Imamura, Takahisa Aoyama, Hideki Kono, Tatsuya Funaoka, Hirokazu Itou, Junya Iida
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Publication number: 20170301430Abstract: The present invention aims to provide a resin composition capable of providing a molded article that has high slidability and high impact resistance, as well as excellent tensile strength. The present invention relates to a resin composition containing an aromatic polyether ketone resin (I) and a fluororesin (II). The composition preferably has a sodium content of 120 ppm or less relative to the composition or a calcium content of 15 ppm or less relative to the composition.Type: ApplicationFiled: September 29, 2015Publication date: October 19, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Junya IIDA, Koji NAKANISHI, Ayane NAKAUE, Hideki KONO
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Publication number: 20170260344Abstract: A method for producing a modified molded article which includes molding a fluororesin to provide a molded article and irradiating the molded article with radiation at an irradiation dose of lower than 100 kGy at 50° C. to 200° C. to provide a modified molded article.Type: ApplicationFiled: January 18, 2016Publication date: September 14, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi IMAMURA, Tatsuya FUNAOKA, Hideki KONO
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Publication number: 20170254450Abstract: A joint is connected to a tube and includes a joint body, nut, and ring. The joint body has a tube coupling part and a main body thread part. The nut has a nut thread part and a constricted diameter part. The ring is arranged in a space radially inward of the nut thread part. The ring abuts an abutted part of the nut. The ring has a Young's modulus greater than the tube. The ring has a curved surface part at least at a radially inward portion of the ring axially on the joint body side, the curved surface part bulging radially inward of the ring and axially toward the joint body side. A maximum thickness of the ring in a radial direction is defined as 2r, an axial length of the curved surface part of the ring is defined as h, and ?=h/r being 0.5 to 1.2.Type: ApplicationFiled: September 2, 2015Publication date: September 7, 2017Inventors: Hitoshi IMAMURA, Jihong LIU, Hideki KONO
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Publication number: 20160319089Abstract: A modified fluorine-containing copolymer obtained by irradiating a copolymer with radiation at a temperature of not higher than the melting point of the copolymer. The copolymer includes at least one copolymer selected from a copolymer including a tetrafluoroethylene unit and a perfluoro(alkyl vinyl ether) unit and a copolymer including a tetrafluoroethylene unit and a hexafluoropropylene unit, and has 10 to 10000 functional groups in total per 106 carbon atoms.Type: ApplicationFiled: December 19, 2014Publication date: November 3, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi IMAMURA, Takahisa AOYAMA, Hideki KONO, Tatsuya FUNAOKA, Hirokazu ITOU
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Publication number: 20160322128Abstract: A heat-resistant electric wire including a core wire and a coating that covers the core wire. The coating is formed from a modified fluorine-containing copolymer that is obtained by irradiating a copolymer with radiation at an exposure of 250 kGy or lower at a temperature of not higher than the melting point of the copolymer. The copolymer is at least one copolymer selected from a copolymer including a tetrafluoroethylene unit and a perfluoro(alkyl vinyl ether) unit and a copolymer including a tetrafluoroethylene unit and a hexafluoropropylene unit.Type: ApplicationFiled: December 19, 2014Publication date: November 3, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi IMAMURA, Takahisa AOYAMA, Hideki KONO, Tatsuya FUNAOKA, Hirokazu ITOU, Junya IIDA
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Publication number: 20150158988Abstract: The present invention aims to provide a modified fluorine-containing copolymer excellent in crack resistance, a fluororesin molded article, and a method of producing a fluororesin molded article. The present invention includes a modified fluorine-containing copolymer consisting only of tetrafluoroethylene units and perfluoro(alkyl vinyl ether) units. The copolymer is modified by irradiation with radiation at an irradiation temperature not higher than the melting point of the copolymer but not lower than 200° C.Type: ApplicationFiled: July 4, 2013Publication date: June 11, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kyouhei Sawaki, Hideki Kono, Hitoshi Imamura, Takahisa Aoyama, Masamichi Sukegawa
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Patent number: 8334351Abstract: An FEP pellet having a volatile content of 0.2% by weight or less. The FEP pellet satisfies the following requirements (i) and (ii) when used to form a insulating material coating a core wire by extrusion coating at a coating speed of 2,800 ft/min.: (i) an adhesive strength between the insulating material and said core wire of 0.8 kg or more; and (ii) an average number of cone-breaks in the insulating material of one or less per 50,000 feet of the coated core wire.Type: GrantFiled: March 2, 2011Date of Patent: December 18, 2012Assignee: Daikin Industries, Ltd.Inventors: Hideki Kono, Takayuki Hirao, George Lin, Kazuyuki Fukuda
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Patent number: 8273991Abstract: A fluorocopolymer having tetrafluoroethylene [TFE]-derived copolymerized units and hexafluoropropylene [HFP]-derived copolymerized units, which has the following characteristics (a) and (b): (a) a thermal melting curve obtained by primary heating in differential scanning calorimetry shows a melting point within the range of 240 to 280° C. and a melting point peak portion area accounts for at least 60% of heats of fusion area; and (b) the product of a MFR (g/10 minutes) and a resin pressure (MPa) is not larger than 40.Type: GrantFiled: October 15, 2007Date of Patent: September 25, 2012Assignee: Daikin Industries, Ltd.Inventors: Kenji Ishii, Hideki Kono
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Patent number: 8143351Abstract: It is an object of the present invention to provide a fluororesin composition which hardly causes molding defects even when high-speed molding is performed in covering extrusion molding within a relatively broad molding temperature range and which can give covered electric wires, in particular foamed electric wires, excellent in surface smoothness. A fluororesin composition comprising a polytetrafluoroethylene [PTFE] having a standard specific gravity of 2.15 to 2.30 and a tetrafluoroethylene/hexafluoropropylene-based copolymer [FEP], the content of said PTFE being 0.Type: GrantFiled: September 24, 2008Date of Patent: March 27, 2012Assignee: Daikin Industries, Ltd.Inventors: Keizo Shiotsuki, Hideki Kono, Kenji Ishii, Kengo Ito, Kenjiro Tanimoto, Takahiro Kitahara
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Patent number: 8058556Abstract: A fluorocopolymer having a tetrafluoroethylene-derived constituent unit as essential unit, and hexafluoropropylene-derived constituent unit and/or perfluoro(alkyl vinyl ether)-derived constituent unit, wherein, when the fluorocopolymer is molded into a film, the film has not more than 10000 fisheyes capable of enclosing a square with a side length of 44 ?m and incapable of enclosing a square with a side length of 178 ?m per 100 g and not more than 1000 fisheyes capable of enclosing a square with a side length of 178 ?m per 100 g.Type: GrantFiled: October 19, 2007Date of Patent: November 15, 2011Assignee: Daikin Industries, Ltd.Inventors: Kenji Ishii, Hideki Kono, Yasuyuki Yamaguchi
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Publication number: 20110272173Abstract: It is an object of the present invention to provide a fluororesin composition which hardly causes molding defects even when high-speed molding is performed in covering extrusion molding within a relatively broad molding temperature range and which can give covered electric wires, in particular foamed electric wires, excellent in surface smoothness. A fluororesin composition comprising a polytetrafluoroethylene [PTFE] having a standard specific gravity of 2.15 to 2.30 and a tetrafluoroethylene/hexafluoropropylene-based copolymer [FEP], the content of said PTFE being 0.Type: ApplicationFiled: September 24, 2008Publication date: November 10, 2011Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Keizo Shiotsuki, Hideki Kono, kenji Ishii, Kengo Ito, Kenjiro Tanimoto, Takahiro Kitahara
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Publication number: 20110209896Abstract: An FEP pellet having a volatile content of 0.2% by weight or less. The FEP pellet satisfies the following requirements (i) and (ii) when used to form a insulating material coating a core wire by extrusion coating at a coating speed of 2,800 ft/min.: (i) an adhesive strength between the insulating material and said core wire of 0.8 kg or more; and (ii) an average number of cone-breaks in the insulating material of one or less per 50,000 feet of the coated core wire.Type: ApplicationFiled: March 2, 2011Publication date: September 1, 2011Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hideki KONO, Takayuki HIRAO, George LIN, Kazuyuki FUKUDA
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Publication number: 20110203830Abstract: A foam electric wire is usable for plenum twisted pair cables, coaxial cables for CATV, cables for HDMI, coaxial cables for antenna wires in mobile communications, coaxial cables for medical applications, coaxial cables for security, and coaxial cables for broadband applications. The foam electric wire includes a conductor and a plurality of coating layers that coat the conductor and consist of perfluoro resin. At least one coating layer is an unexpanded layer. At least one coating layer is an expanded layer whose expansion percentage is 40% or greater. At least one coating layer contains a perfluoro polymer having an MFR of 1-50 g/10 min. The perfluoro polymer has a melt tension of 0.09 N or greater, and/or polymer terminals that are substantially only —CF3.Type: ApplicationFiled: October 29, 2009Publication date: August 25, 2011Applicant: DAIKIN AMERICA, INC.Inventors: Hideki Kono, Rogerio Tocchetto, Yoshihisa Yamamoto, Ronald Hendershot
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Patent number: 7923519Abstract: An FEP pellet having a volatile content of 0.2% by weight or less. The FEP pellet satisfies the following requirements (i) and (ii) when used to form a insulating material coating a core wire by extrusion coating at a coating speed of 2,800 ft/min.: (i) an adhesive strength between the insulating material and said core wire of 0.8 kg or more; and (ii) an average number of cone-breaks in the insulating material of one or less per 50,000 feet of the coated core wire.Type: GrantFiled: June 8, 2007Date of Patent: April 12, 2011Assignee: Daikin Industries, Ltd.Inventors: Hideki Kono, Takayuki Hirao, George Lin, Kazuyuki Fukuda
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Publication number: 20100314153Abstract: A fluorocopolymer with which the frequency of molding faults in electric wire covering molding can be reduced and which can give electric wires improved in crack resistance. The fluorocopolymer includes a tetrafluoroethylene-derived constituent unit as essential unit, and hexafluoropropylene-derived constituent unit and/or perfluoro(alkyl vinyl ether)-derived constituent unit. When the fluorocopolymer is molded into a film, the film has not more than 10000 fisheyes capable of enclosing a square with a side length of 44 ?m and incapable of enclosing a square with a side length of 178 ?m per 100 g and not more than 1000 fisheyes capable of enclosing a square with a side length of 178 ?m per 100 g.Type: ApplicationFiled: October 19, 2007Publication date: December 16, 2010Applicant: Daikin Industries, Ltd.Inventors: Kenji Ishii, Hideki Kono, Yasuyuki Yamaguchi