Patents by Inventor Takeru Sano
Takeru Sano 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: 20230174283Abstract: Provided is a hard container capable of appropriately discharging or spraying content. The present invention provides a resin-made hard container for use with a suction device attached thereto that is configured to discharge or spray suctioned content. The hard container is provided with a container body having an outer shell and an inner bag. The container body is configured such that the inner bag contracts as the content is reduced. An innermost layer of the outer shell comprises an EVOH layer.Type: ApplicationFiled: April 26, 2021Publication date: June 8, 2023Applicant: KYORAKU CO., LTD.Inventors: Takayuki KATO, Takeru SANO, Kentaro UCHIHASHI
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Patent number: 11608420Abstract: A molded foam that can be easily taken out of split mold blocks is provided. According to an aspect of the present disclosure, a molded foam (1) is obtained by clamping, with split mold blocks, foamed resin obtained by melting and kneading a polyethylene-based resin, wherein the molded foam (1) has a MFR (190° C., g/10 min) of less than 0.8, or the polyethylene-based resin has a MFR (190° C., g/10 min) of not more than 1.0.Type: GrantFiled: August 5, 2021Date of Patent: March 21, 2023Assignee: KYORAKU CO., LTD.Inventors: Masaaki Onodera, Takeru Sano
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Patent number: 11434342Abstract: According to the present invention, provided is a foam molding resin containing low-density polyethylene, wherein a strain hardening degree of the low-density polyethylene is equal to or more than 0.40.Type: GrantFiled: August 23, 2018Date of Patent: September 6, 2022Inventors: Takaaki Someya, Takeru Sano
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Publication number: 20210363318Abstract: A molded foam that can be easily taken out of split mold blocks is provided. According to an aspect of the present disclosure, a molded foam (1) is obtained by clamping, with split mold blocks, foamed resin obtained by melting and kneading a polyethylene-based resin, wherein the molded foam (1) has a MFR (190° C., g/10 min) of less than 0.8, or the polyethylene-based resin has a MFR (190° C., g/10 min) of not more than 1.0.Type: ApplicationFiled: August 5, 2021Publication date: November 25, 2021Applicant: KYORAKU CO., LTD.Inventors: Masaaki ONODERA, Takeru SANO
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Patent number: 11111349Abstract: A molded foam that can be easily taken out of split mold blocks is provided. According to an aspect of the present disclosure, a molded foam is obtained by clamping, with split mold blocks, foamed resin obtained by melting and kneading a polyethylene-based resin, wherein the molded foam has a MFR (190° C., g/10 min) of less than 0.8, or the polyethylene-based resin has a MFR (190° C., g/10 min) of not more than 1.0.Type: GrantFiled: December 8, 2014Date of Patent: September 7, 2021Assignee: KYORAKU CO., LTD.Inventors: Masaaki Onodera, Takeru Sano
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Publication number: 20210130563Abstract: According to the present invention, provided is a foam molding resin containing low-density polyethylene, wherein a strain hardening degree of the low-density polyethylene is equal to or more than 0.40.Type: ApplicationFiled: August 23, 2018Publication date: May 6, 2021Applicant: KYORAKU CO., LTD.Inventors: Takaaki SOMEYA, Takeru SANO
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Patent number: 10988592Abstract: It is an object of the present invention to provide a foam molding resin containing LDPE capable of enhancing foaming magnification. According to the present invention, there is provided a foam molding resin containing low-density polyethylene, wherein the low-density polyethylene has a melt tension of 100 to 250 mN and a shear viscosity of 350 to 450 Pa·s.Type: GrantFiled: August 16, 2016Date of Patent: April 27, 2021Assignee: KYORAKU CO., LTD.Inventors: Takaaki Someya, Takeru Sano
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Patent number: 10988584Abstract: Provided is a resin for foam molding excellent in foam molding property and low-temperature impact resistance. According to the present invention, provided is a resin for foam molding including a component A, a component B and a component C. The component A is a long-chain branched homopolypropylene, the component B is a long-chain branched block polypropylene, the component C is a polyethylene-based elastomer, and when a total of the components A to C is 100 parts by mass, content of the component A is 20 to 70 parts by mass, content of the component B is 20 to 70 parts by mass, and content of the component C is 1 to 20 parts by mass.Type: GrantFiled: October 27, 2017Date of Patent: April 27, 2021Assignee: KYORAKU CO., LTD.Inventors: Takaaki Someya, Takeru Sano, Yoshinori Ono, Tadatoshi Tanji
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Patent number: 10941264Abstract: A blow-molded foam is provided by foaming and blow-molding the resin material including a polyethylene resin. The foamed resin includes the antioxidant by 300 ppm or more in total. The antioxidant is preferably the combination of a phosphorus antioxidant and a phenolic antioxidant. The optimum amount of phosphorus antioxidant to be included is 250 ppm to 3000 ppm, and that of phenolic antioxidant is 250 ppm to 750 ppm. In the manufacture, the collected resin material and the resin including 300 ppm or more of the antioxidant are melted and kneaded and the foaming agent is mixed thereto to provide the foamed resin, and the foamed resin is blow-molded.Type: GrantFiled: July 5, 2018Date of Patent: March 9, 2021Assignee: Kyoraku Co., Ltd.Inventor: Takeru Sano
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Patent number: 10590252Abstract: A foaming assistant material and a foam-molding method, which can achieve the functions of a nucleating agent, a dispersant, and the like sufficiently so that the cells can have smaller diameter, the mixing of foreign substances is prevented, and so on, and can produce the high-quality foam-molded article, are provided. The foaming assistant material is kneaded together with a raw material pellet and the mixture is subjected to the foam molding. The foaming assistant material is a pellet obtained by adding inorganic particles, a chemical foaming agent, and a dispersant to a dilution resin. An antioxidant may be added further to the dilution resin. In the foam-molding method, inorganic particles, a chemical foaming agent, a dispersant, and an antioxidant are added to a raw material resin at the same time in a state that the inorganic particles, the chemical foaming agent, the dispersant, and the antioxidant are mixed in advance.Type: GrantFiled: December 18, 2015Date of Patent: March 17, 2020Assignee: Kyoraku Co., Ltd.Inventor: Takeru Sano
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Publication number: 20190276615Abstract: Provided is a resin for foam molding excellent in foam molding property and low-temperature impact resistance. According to the present invention, provided is a resin for foam molding including a component A, a component B and a component C. The component A is a long-chain branched homopolypropylene, the component B is a long-chain branched block polypropylene, the component C is a polyethylene-based elastomer, and when a total of the components A to C is 100 parts by mass, content of the component A is 20 to 70 parts by mass, content of the component B is 20 to 70 parts by mass, and content of the component C is 1 to 20 parts by mass.Type: ApplicationFiled: October 27, 2017Publication date: September 12, 2019Applicant: KYORAKU CO., LTD.Inventors: Takaaki SOMEYA, Takeru SANO, Yoshinori ONO, Tadatoshi TANJI
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Publication number: 20180312654Abstract: A blow-molded foam is provided by foaming and blow-molding the resin material including a polyethylene resin. The foamed resin includes the antioxidant by 300 ppm or more in total. The antioxidant is preferably the combination of a phosphorus antioxidant and a phenolic antioxidant. The optimum amount of phosphorus antioxidant to be included is 250 ppm to 3000 ppm, and that of phenolic antioxidant is 250 ppm to 750 ppm. In the manufacture, the collected resin material and the resin including 300 ppm or more of the antioxidant are melted and kneaded and the foaming agent is mixed thereto to provide the foamed resin, and the foamed resin is blow-molded.Type: ApplicationFiled: July 5, 2018Publication date: November 1, 2018Applicant: Kyoraku Co., Ltd.Inventor: Takeru Sano
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Publication number: 20180215885Abstract: It is an object of the present invention to provide a foam molding resin containing LDPE capable of enhancing foaming magnification. According to the present invention, there is provided a foam molding resin containing low-density polyethylene, wherein the low-density polyethylene has a melt tension of 100 to 250 mN and a shear viscosity of 350 to 450 Pa·s.Type: ApplicationFiled: August 16, 2016Publication date: August 2, 2018Applicant: KYORAKU CO., LTD.Inventors: Takaaki SOMEYA, Takeru SANO
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Patent number: 10035893Abstract: A blow-molded foam is provided by foaming and blow-molding the resin material including a polyethylene resin. The foamed resin includes the antioxidant by 300 ppm or more in total. The antioxidant is preferably the combination of a phosphorus antioxidant and a phenolic antioxidant. The optimum amount of phosphorus antioxidant to be included is 250 ppm to 3000 ppm, and that of phenolic antioxidant is 250 ppm to 750 ppm. In the manufacture, the collected resin material and the resin including 300 ppm or more of the antioxidant are melted and kneaded and the foaming agent is mixed thereto to provide the foamed resin, and the foamed resin is blow-molded.Type: GrantFiled: October 9, 2014Date of Patent: July 31, 2018Assignee: KYORAKU CO., LTD.Inventor: Takeru Sano
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Patent number: 9862524Abstract: Provided is a light-shielding container which has an ultraviolet-ray transmittance of 0% at wavelengths of 200-370 nm and to which contents are less apt to adhere. A light-shielding container for holding contents, characterized by having at least an inner layer composed of a thermoplastic resin, a first light-shielding layer composed of a resin containing an inorganic ultraviolet inhibitor and a second light-shielding layer composed of a resin containing an organic ultraviolet absorber, disposed in this order from the content side.Type: GrantFiled: February 19, 2013Date of Patent: January 9, 2018Assignee: KYORAKU CO., LTD.Inventors: Kentaro Uchihashi, Takeru Sano
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Publication number: 20170342231Abstract: A foaming assistant material and a foam-molding method, which can achieve the functions of a nucleating agent, a dispersant, and the like sufficiently so that the cells can have smaller diameter, the mixing of foreign substances is prevented, and so on, and can produce the high-quality foam-molded article, are provided. The foaming assistant material is kneaded together with a raw material pellet and the mixture is subjected to the foam molding. The foaming assistant material is a pellet obtained by adding inorganic particles, a chemical foaming agent, and a dispersant to a dilution resin. An antioxidant may be added further to the dilution resin. In the foam-molding method, inorganic particles, a chemical foaming agent, a dispersant, and an antioxidant are added to a raw material resin at the same time in a state that the inorganic particles, the chemical foaming agent, the dispersant, and the antioxidant are mixed in advance.Type: ApplicationFiled: December 18, 2015Publication date: November 30, 2017Applicant: Kyoraku Co., Ltd.Inventor: Takeru SANO
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Patent number: 9527228Abstract: Even when a mixture resin of virgin resin and recovered resin material is used as a resin material for molding, a stable, high-quality foam-molded article with excellent impact resistance is produced at low cost. For this, the resin material that is used includes a mixture resin of recovered resin material obtained by pulverizing a resin material solidified after melting, and virgin resin without thermal history of melting, and a foaming agent added to the mixture resin. The resin material is a mixture of a polypropylene-based resin and a polyethylene-based elastomer.Type: GrantFiled: January 21, 2013Date of Patent: December 27, 2016Assignee: KYORAKU CO., LTD.Inventors: Takeru Sano, Yu Igarashi, Yuki Arita, Takashi Nomura
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Publication number: 20160333159Abstract: A molded foam that can be easily taken out of split mold blocks is provided. According to an aspect of the present disclosure, a molded foam is obtained by clamping, with split mold blocks, foamed resin obtained by melting and kneading a polyethylene-based resin, wherein the molded foam has a MFR (190° C., g/10 min) of less than 0.8, or the polyethylene-based resin has a MFR (190° C., g/10 min) of not more than 1.0.Type: ApplicationFiled: December 8, 2014Publication date: November 17, 2016Applicant: Kyoraku Co., Ltd.Inventors: Masaaki ONODERA, Takeru SANO
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Publication number: 20160237232Abstract: A blow-molded foam is provided by foaming and blow-molding the resin material including a polyethylene resin. The foamed resin includes the antioxidant by 300 ppm or more in total. The antioxidant is preferably the combination of a phosphorus antioxidant and a phenolic antioxidant. The optimum amount of phosphorus antioxidant to be included is 250 ppm to 3000 ppm, and that of phenolic antioxidant is 250 ppm to 750 ppm. In the manufacture, the collected resin material and the resin including 300 ppm or more of the antioxidant are melted and kneaded and the foaming agent is mixed thereto to provide the foamed resin, and the foamed resin is blow-molded.Type: ApplicationFiled: October 9, 2014Publication date: August 18, 2016Applicant: Kyoraku Co., Ltd.Inventor: Takeru SANO
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Publication number: 20150290077Abstract: A medical container is formed by blow molding, and subjected to the steam sterilization. The medical container includes: an innermost layer made of a cyclic polyolefin resin; a gas barrier layer located at a position external to the innermost layer and made of an ethylene-vinyl alcohol copolymer resin or the like; and an adhesive layer jointing at least the gas barrier layer to the innermost layer. An adhesive used in the adhesive layer contains maleic anhydride modified polypropylene and styrene elastomer.Type: ApplicationFiled: October 24, 2013Publication date: October 15, 2015Applicant: Kyoraku Co., Ltd.Inventors: Takeru Sano, Kentaro Uchihashi