Patents Assigned to TEIJIN FRONTIER CO., LTD.
  • Publication number: 20220081811
    Abstract: 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: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Applicant: TEIJIN FRONTIER CO., LTD
    Inventor: Nobuaki Ogata
  • Publication number: 20220073687
    Abstract: 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: Application
    Filed: December 17, 2019
    Publication date: March 10, 2022
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventor: Yoshifumi SUZUKI
  • Patent number: 11253801
    Abstract: 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: Grant
    Filed: November 4, 2016
    Date of Patent: February 22, 2022
    Assignee: TEIJIN FRONTIER CO., LTD.
    Inventors: Mie Kamiyama, Yoshikazu Kobayashi, Kazuyoshi Sakita
  • Publication number: 20210381141
    Abstract: 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: Application
    Filed: November 21, 2019
    Publication date: December 9, 2021
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventors: Nobuaki OGATA, Akio UKUMA, Sonomi SHIBATA
  • Patent number: 11186677
    Abstract: 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: Grant
    Filed: November 22, 2017
    Date of Patent: November 30, 2021
    Assignee: Teijin Frontier Co., Ltd.
    Inventor: Kota Sogihara
  • Publication number: 20210301431
    Abstract: 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: Application
    Filed: April 16, 2018
    Publication date: September 30, 2021
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventor: Nobuaki OGATA
  • Publication number: 20210156057
    Abstract: 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: Application
    Filed: April 3, 2019
    Publication date: May 27, 2021
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventors: Nobuaki OGATA, Takanori HARAGE, Sonomi SHIBATA
  • Publication number: 20210135087
    Abstract: Provided is a piezoelectric structure comprising 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: Application
    Filed: January 10, 2018
    Publication date: May 6, 2021
    Applicants: TEIJIN FRONTIER CO., LTD., KANSAI UNIVERSITY
    Inventors: Yoshiro TAJITSU, Yuhei ONO, Shunsuke KANEMATSU, Tomoyoshi YAMAMOTO
  • Publication number: 20210130989
    Abstract: A task is to provide a woven fabric for airbags for protecting drivers and passengers of an automobile and the like, wherein the woven fabric for airbags has excellent flexibility, tear strength, and elongation at break, and means for solution is a woven fabric for airbags comprising a polyester multifilament, wherein the polyester multifilament has a total fineness in the range of 140 to 580 dtex, and has the number of filaments in the range of 96 to 192, wherein the difference between the total fineness of warp yarns constituting the woven fabric and the total fineness of weft yarns constituting the woven fabric is 5 dtex or less, and the number of warp yarns per unit length is smaller than the number of weft yarns per unit length.
    Type: Application
    Filed: July 12, 2018
    Publication date: May 6, 2021
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventor: Koji YOSHIDA
  • Patent number: 10927482
    Abstract: The problem addressed by the present invention is to provide yarn, which includes an ultrafine filament, and that has superior handling properties, elongation and contraction properties, and with which a fabric and a fiber product of high quality can be obtained, a fabric using this yarn, and a fiber product using this yarn or fabric. The solution is imparting a binder to yarn that includes a filament A-1 with a single fiber diameter of 10 to 3000 nm and a fiber A-2 with a single fiber diameter greater than the filament A-1, and obtaining a fabric or fiber product using the yarn as necessary.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: February 23, 2021
    Assignee: TEIJIN FRONTIER CO., LTD.
    Inventors: Kengo Tanaka, Akira Tanaka
  • Patent number: 10925339
    Abstract: An object is to provide a cloth having excellent air permeability changing function due to wetness and dimensional stability and a fibrous product, and means for achieving the object is to obtain a cloth using a conjugate fiber having two components conjugated side by side and a crimped fiber having a torque of 30 T/m or less.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: February 23, 2021
    Assignee: TEIJIN FRONTIER CO., LTD.
    Inventor: Nobuaki Ogata
  • Patent number: 10874964
    Abstract: The invention addresses the problem of providing a filter medium for a liquid filter, which has a low weight per unit and yet has high strength, high collectability, and a long life, and also a liquid filter. As a means for resolution, using a main fiber having a fiber diameter of 4.0 ?m or less and an aspect ratio of 100 to 2,500 and a binder fiber having a fiber diameter of 3.0 ?m or less and an aspect ratio of 100 to 2,500, a filter medium for a liquid filter in which the weight proportion of the binder fiber relative to the weight of the filter medium is 10 to 50 wt %, and the weight per unit is within a range of 5 to 80 g/m2, and also a liquid filter are obtained.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: December 29, 2020
    Assignee: TEIJIN FRONTIER CO.. LTD.
    Inventors: Kazuyoshi Sakita, Mie Kamiyama
  • Publication number: 20200324531
    Abstract: 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: Application
    Filed: October 23, 2018
    Publication date: October 15, 2020
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventors: Nobuaki OGATA, Sonomi SHIBATA
  • Publication number: 20200164295
    Abstract: The invention addresses the problem of providing a filter fabric for a bag filter, which has excellent collection performance and low pressure drop and is resistant to a decrease in dust collection performance due to abrasion or cracking, and also a method for producing the same. Means for resolution is a filter fabric for a bag filter in which a nonwoven fabric A including short fibers a having a single-fiber fineness of 0.3 to 0.9 dtex, a base fabric, and a nonwoven fabric B including short fibers b having a single-fiber fineness of 0.3 to 4.0 dtex are laminated in this order.
    Type: Application
    Filed: January 24, 2018
    Publication date: May 28, 2020
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventors: Mitsunori TAMURA, Mie KAMIYAMA
  • Publication number: 20200157709
    Abstract: 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: Application
    Filed: May 23, 2018
    Publication date: May 21, 2020
    Applicants: TEIJIN FRONTIER CO., LTD., MURATA MANUFACTURING CO., LTD.
    Inventors: Shunsuke KANEMATSU, Ryo TODO, Yuhei ONO, Tomoyoshi YAMAMOTO, Masamichi ANDO, Satoshi ISHINO
  • Patent number: 10655256
    Abstract: Provided is a nonwoven fabric structure containing an odd-shaped fiber. The odd-shaped fiber has bubbles inside and has a cross-sectional shape that is an irregular, non-circular cross-section. Further, it is preferable that the cross-sectional shape of the odd-shaped fiber changes in the fiber length direction, the odd-shaped fiber has a crystallinity of 40% or less, and the odd-shaped fiber is made of at least two kinds of thermoplastic resins. It is also preferable that that the nonwoven fabric structure contains a heat fusible fiber, the odd-shaped fiber is present in the form of a net-like fiber sheet, and the odd-shaped fiber is in the form of short fibers. In addition, a method for producing such a nonwoven fabric structure is a method in which a thermoplastic resin containing a foaming agent is extruded through a slit die to give an odd-shaped fiber having bubbles inside, followed by three-dimensional shaping.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: May 19, 2020
    Assignees: TEIJIN FRONTIER CO., LTD., UNISEL CO., LTD.
    Inventors: Takeya Dei, Atsushi Suzuki, Naruhiko Onishi, Noboru Watanabe, Yasuyuki Yamazaki, Hironori Gouda, Yoshiyuki Tansei
  • Publication number: 20200094514
    Abstract: 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: Application
    Filed: May 16, 2018
    Publication date: March 26, 2020
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventors: Takanori HARAGE, Nobuaki OGATA
  • Patent number: 10550241
    Abstract: A polytrimethylene terephthalate composition including a polyester having a trimethylene terephthalate unit as a main repeating unit, which satisfies all the following requirements: (a) the intrinsic viscosity is 0.50 to 1.60 dL/g; (b) titanium dioxide whose weight distribution of particles having a particle size of more than 1.0 ?m is 5.0% by weight or less is contained in an amount of 0.05 to 3.0% by weight; (c) the crystallization exothermic peak top temperature is 165° C. or more; and (d) the half-width of the crystallization exothermic peak is 20° C. or less. In addition, the invention further encompasses a method for producing a polytrimethylene terephthalate composition using titanium dioxide that has been subjected to a wet-grinding treatment, and also a fiber obtained from the composition.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: February 4, 2020
    Assignee: TEIJIN FRONTIER CO., LTD.
    Inventor: Ryoji Tsukamoto
  • Patent number: 10550803
    Abstract: Provided are a filter medium for a filter, which makes it possible to obtain a filter high in collection efficiency, low in pressure loss and long in filter lifetime, a method for producing the same, and a filter using the filter medium for a filter. A filter medium for a filter is used as a constituent member of a filter and composed of a wet type nonwoven fabric, wherein the filter medium for a filter has a multilayer structure of two or more layers, and there is no interface between the above-mentioned two layers.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: February 4, 2020
    Assignees: TEIJIN FRONTIER CO., LTD., Mahle Filter Systems Japan Corporation
    Inventors: Yuichi Hamada, Mitutosi Suzuki, Hiroyuki Ishii, Kenji Inagaki
  • Publication number: 20200002860
    Abstract: A fiber structure includes crimped staple fibers and heat-bonding conjugate staple fibers mixed in a specific weight ratio, the heat-bonding conjugate staple fibers having, as a heat-bonding component disposed on the surface thereof, a thermoplastic resin having a melting point lower by 40° C. or more than that of a thermoplastic resin constituting the crimped staple fibers, the fiber structure having scattered fixing points in which the heat-bonding conjugate staple fibers are heat-fused and intersect together and/or scattered fixing points in which the heat-bonding conjugate staple fibers and the crimped staple fibers are heat-fused and intersect together, the fiber structure having a specified thickness and density and having a laminated structure of three or more layers, wherein the hardness ratio between an intermediate layer portion and a surface layer portion defined when the fiber structure is equally divided into three portions is 0.60 or more.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 2, 2020
    Applicant: TEIJIN FRONTIER CO., LTD.
    Inventor: Atsushi SUZUKI