Patents Assigned to TEIJIN FRONTIER CO., LTD.
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Patent number: 11939437Abstract: A method for producing a fiber for reinforcing rubber, comprising applying an adhesion treatment liquid containing a thermoplastic elastomer, a blocked polyisocyanate, and a rubber latex to a fiber cord to obtain a fiber for reinforcing rubber, wherein the thermoplastic elastomer is incorporated in the form of a water dispersion into the adhesion treatment liquid, wherein the thermoplastic elastomer particles in the water dispersion have an average particle diameter of 0.01 to 1.0 ?m.Type: GrantFiled: December 17, 2019Date of Patent: March 26, 2024Assignee: TEIJIN FRONTIER CO., LTD.Inventor: Yoshifumi Suzuki
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Patent number: 11905649Abstract: A fiber cord for reinforcement has an adhesive treatment agent attached to a surface thereof and includes, in an inner layer part thereof, two kinds of compounds each having a molecular weight of less than 1,000. The main compound is an aromatic compound or contains an ?-dicarboxylic acid component, and the other compound is an aliphatic compound or an alicyclic compound. It is preferable that the adhesive treatment agent is a resorcin-formalin-latex-based adhesive, that the fiber cord includes a twisted synthetic fiber, that the aromatic compound is a heterocyclic compound, that the main compound is located only in the inner layer part of the fiber cord, that a compound having a hexamethylene diisocyanate trimer structure is present, and that no latex is present in the inner layer part of the fiber cord. This fiber cord is produced through a two-stage treatment with a pre-treatment liquid and adhesive treatment liquid.Type: GrantFiled: July 17, 2019Date of Patent: February 20, 2024Assignee: TEIJIN FRONTIER CO., LTD.Inventors: Shintaro Shimada, Shuhei Okamura
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Patent number: 11866858Abstract: A task is to provide a cloth which is excellent not only in tear strength but also in snagging resistance and wear resistance, and which preferably has design properties and stretchability, and a garment obtained using the cloth, and a solution to problem is a woven fabric containing two or more types of yarns, the woven fabric comprising a high strength yarn A having a yarn strength of 4.3 cN/dtex or more and a yarn B having a yarn strength which is smaller than that of the high strength yarn A, wherein the difference in total fineness between the high strength yarn A and the yarn B is 20 dtex or less.Type: GrantFiled: April 1, 2020Date of Patent: January 9, 2024Assignee: TEIJIN FRONTIER CO., LTD.Inventors: Takuya Nagae, Akio Ukuma
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Patent number: 11766845Abstract: A task is to provide a multilayer structured cloth and a fiber product which are excellent in lightweight properties for bulkiness, impressive soft texture, high cushioning properties, low draping properties, and sweat absorbing and quick drying properties, and the task is achieved by a multilayer structured cloth including front and back ground structure portions, a connecting yarn which connects the front and back ground structure portions to each other, and an insert yarn, wherein at least one of the front and back ground structure portions contains a crimped fiber or a spun yarn.Type: GrantFiled: May 16, 2018Date of Patent: September 26, 2023Assignee: TEIJIN FRONTIER CO., LTD.Inventors: Takanori Harage, Nobuaki Ogata
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Publication number: 20230250563Abstract: The invention addresses the problem of providing a low-breathability woven fabric and a textile product that are excellent not only in downproofness but also in stretchability. As a means for resolution, a low-breathability woven fabric having a breathability of 1.0 cc/sec/cm2 or less is configured to include a stretch fiber.Type: ApplicationFiled: June 3, 2021Publication date: August 10, 2023Applicant: Teijin Frontier Co., Ltd.Inventors: Takuya NAGAE, AkIo UKUMA
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Patent number: 11700772Abstract: Provided is a piezoelectric structure including a braid composed of a conductive fiber and piezoelectric fibers, the braid being a covered fiber having the conductive fiber as the core and the piezoelectric fibers covering the periphery of the conductive fiber, wherein the covered fiber has at least one bent section, and when the piezoelectric structure is placed on a horizontal surface, the height from the horizontal surface to the uppermost section of the piezoelectric structure is greater than the diameter of the covered fiber.Type: GrantFiled: January 10, 2018Date of Patent: July 11, 2023Assignees: TEIJIN FRONTIER CO., LTD., KANSAI UNIVERSITYInventors: Yoshiro Tajitsu, Yuhei Ono, Shunsuke Kanematsu, Tomoyoshi Yamamoto
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Publication number: 20230167589Abstract: The invention addresses the problem of providing a water-repellent cloth that is excellent in water repellency as well as stretchability and also a textile product using the water-repellent cloth. A means for resolution is a water-repellent cloth given water repellent processing, and the cloth is configured to include a composite yarn containing a stretch fiber and an ultrafine fiber having a single fiber fineness of 1 dtex or less.Type: ApplicationFiled: April 14, 2021Publication date: June 1, 2023Applicant: TEIJIN FRONTIER CO., LTD.Inventors: Akio UKUMA, Takuya NAGAE
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Patent number: 11577359Abstract: The present invention addresses the problem of providing: a polishing pad that is long-lasting, has a high polish rate, and is capable of producing a high degree of flatness on polished articles; and a method for manufacturing the polishing pad. The solution provided is to eliminate a sea component from a non-woven fabric that includes a binder fabric and a sea-island type composite fiber composed of the sea component and an island component, the island component having a diameter of 10-2500 nm, and to add a polymer elastic body to the non-woven fabric.Type: GrantFiled: November 7, 2017Date of Patent: February 14, 2023Assignee: TEIJIN FRONTIER CO., LTD.Inventors: Tateki Yamauchi, Mie Kamiyama
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Publication number: 20220376356Abstract: An object is to provide a battery-separator nonwoven fabric and a battery separator that are excellent in heat resistance, have a small pore diameter, and have a high tensile elongation and a high thrust strength, and a solution is to configure a battery-separator nonwoven fabric with a fiber A including a nanofiber having a fiber diameter of 100 to 1000 nm, a fiber B including a thermal adhesive ultrafine fiber having a fiber diameter of 100 to 2000 nm, and a fiber C including a thermal adhesive fiber having a single fiber fineness of 0.1 dtex or more, in which a tensile elongation of the nonwoven fabric is 10% or more.Type: ApplicationFiled: October 20, 2020Publication date: November 24, 2022Applicant: TEIJIN FRONTIER CO., LTD.Inventors: Daiki SATO, Mie KAMIYAMA
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Publication number: 20220316102Abstract: A problem of the present invention is to provide a composite yarn, a fabric, and a fiber product, which are excellent in cotton-like appearance, texture, and snagging resistance, and preferably excellent in see-through-preventing properties and water absorbing and quick drying properties. The solution is to obtain a composite yarn using a thick and thin yarn and a crimped yarn and to obtain a fabric, if desired.Type: ApplicationFiled: May 18, 2020Publication date: October 6, 2022Applicant: TEIJIN FRONTIER CO., LTD.Inventors: Sonomi SHIBATA, Nobuaki OGATA
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Patent number: 11458711Abstract: A task is to provide a multilayer-structure cloth having excellent water vapor permeability, lightweight properties, stretchability, and thinness, and a method for producing the same and a fiber product. The task is attained by laminating a resin film on single circular knitted fabric which comprises a non-crimped synthetic fiber multifilament having a total fineness of 44 dtex or less, and which has a knitting density that is 45 to 130 course/2.54 cm and 55 to 120 wales/2.54 cm to obtain a multilayer-structure cloth.Type: GrantFiled: October 23, 2018Date of Patent: October 4, 2022Assignee: TEIJIN FRONTIER CO., LTD.Inventors: Nobuaki Ogata, Sonomi Shibata
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Patent number: 11421350Abstract: An antibacterial electric charge generation yarn meets requirements (a) to (e) mentioned below simultaneously and suppresses proliferation of bacteria by electric charge generated upon deformation of the yarn: (a) a main component of the yarn is polylactic acid; (b) the yarn is twisted; (c) the yarn has a double torque of 50 T/50 cm or less; (d) the yarn has a single fiber fineness of 0.05 to 5 dtex; and (e) the number of filaments in the yarn is 10 to 400.Type: GrantFiled: May 23, 2018Date of Patent: August 23, 2022Assignees: TEIJIN FRONTIER CO., LTD., MURATA MANUFACTURING CO., LTD.Inventors: Shunsuke Kanematsu, Ryo Todo, Yuhei Ono, Tomoyoshi Yamamoto, Masamichi Ando, Satoshi Ishino
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Publication number: 20220170187Abstract: A task is to provide a cloth which is excellent not only in tear strength but also in snagging resistance and wear resistance, and which preferably has design properties and stretchability, and a garment obtained using the cloth, and a solution to problem is a woven fabric containing two or more types of yarns, the woven fabric comprising a high strength yarn A having a yarn strength of 4.3 cN/dtex or more and a yarn B having a yarn strength which is smaller than that of the high strength yarn A, wherein the difference in total fineness between the high strength yarn A and the yarn B is 20 dtex or less.Type: ApplicationFiled: April 1, 2020Publication date: June 2, 2022Applicant: Teijin Frontier Co., LtdInventors: Takuya NAGAE, Akio UKUMA
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Publication number: 20220081811Abstract: The invention addresses the problem of providing a knitted fabric and a textile product which have excellent water absorbency, quick-drying properties, and anti-see-through properties. As a means for resolution, a knitted fabric is obtained using a crimped fiber having a torque of 30 T/m or less. The density of the knitted fabric is not less than 60 courses/2.54 cm and not less than 45 wales/2.54 cm, and the thickness of the knitted fabric is 0.45 mm or less.Type: ApplicationFiled: November 29, 2021Publication date: March 17, 2022Applicant: TEIJIN FRONTIER CO., LTDInventor: Nobuaki Ogata
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Publication number: 20220073687Abstract: A method for producing a fiber for reinforcing rubber, comprising applying an adhesion treatment liquid containing a thermoplastic elastomer, a blocked polyisocyanate, and a rubber latex to a fiber cord to obtain a fiber for reinforcing rubber, wherein the thermoplastic elastomer is incorporated in the form of a water dispersion into the adhesion treatment liquid, wherein the thermoplastic elastomer particles in the water dispersion have an average particle diameter of 0.01 to 1.0 ?m.Type: ApplicationFiled: December 17, 2019Publication date: March 10, 2022Applicant: TEIJIN FRONTIER CO., LTD.Inventor: Yoshifumi SUZUKI
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Patent number: 11253801Abstract: The prevent invention addresses the problem of providing a filter cloth for a bag filter, which has excellent collection efficiency, has excellent collection efficiency, provides low pressure drop and is resistant to clogging, and also has excellent dust-off ability; a method for producing the same; and a bag filter. As a means for resolution, a nonwoven fabric containing an ultrafine fiber having a fiber diameter D of 200 to 2,000 nm is laminated on a base material to form a filter cloth for a bag filter.Type: GrantFiled: November 4, 2016Date of Patent: February 22, 2022Assignee: TEIJIN FRONTIER CO., LTD.Inventors: Mie Kamiyama, Yoshikazu Kobayashi, Kazuyoshi Sakita
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Publication number: 20210381141Abstract: The invention addresses the problem of providing a cloth and a textile product, which are extremely excellent in stretchability and sweat-absorbing and quick-drying properties and further have a natural material-like texture and appearance. As a means for resolution, for example, a cloth is obtained using a composite yarn containing a crimped yarn and a stretch fiber.Type: ApplicationFiled: November 21, 2019Publication date: December 9, 2021Applicant: TEIJIN FRONTIER CO., LTD.Inventors: Nobuaki OGATA, Akio UKUMA, Sonomi SHIBATA
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Patent number: 11186677Abstract: A fiber powder having a 50% particle diameter (d50) of 6 to 60 ?m, characterized in that the fiber powder has a maximum particle diameter (d100) of 1,000 ?m or less. It is preferred that a value ((d10·d90)/d100) obtained by dividing by the maximum particle diameter (d100) a value which is obtained by multiplying a 10% particle diameter (d10) by a 90% particle diameter (d90) is 0.3 to 5.0, that the fiber powder has an extractable component content of 0.2 to 3.0% by weight based on the fiber weight, and that the fiber powder has a water content of 0.2 to 50% by weight. Further, it is preferred that the fiber powder is an organic material, or comprises a thermoplastic resin, and that the thermoplastic resin is a polyester resin or a polyamide resin.Type: GrantFiled: November 22, 2017Date of Patent: November 30, 2021Assignee: Teijin Frontier Co., Ltd.Inventor: Kota Sogihara
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Publication number: 20210301431Abstract: A task is to provide a cloth and a fiber product, which exhibit not only stretchability but also novel appearance and novel hand due to ununiformity of the appearance and hand, and the task is achieved by forming a cloth with a crimped fiber containing two or more types of single fibers which are different from each other, and having a torque of 30 T/m or less.Type: ApplicationFiled: April 16, 2018Publication date: September 30, 2021Applicant: TEIJIN FRONTIER CO., LTD.Inventor: Nobuaki OGATA
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Publication number: 20210156057Abstract: The invention addresses the problem of providing a flap-equipped knitted fabric including a flap part, which is configured such that the flap part moves when wet, allowing for changes in the air permeability or appearance of the flap-equipped knitted fabric, and also a textile product. As a means for resolution, for example, in a flap-equipped knitted fabric including a ground structure part and a flap part, the flap part is pouch-shaped, and the flap part contains a conjugate fiber obtained by joining a polyester component and a polyamide component in a side-by-side manner or an eccentric sheath-core manner, thereby making the flap part movable upon wetting.Type: ApplicationFiled: April 3, 2019Publication date: May 27, 2021Applicant: TEIJIN FRONTIER CO., LTD.Inventors: Nobuaki OGATA, Takanori HARAGE, Sonomi SHIBATA