Toray Industries, Inc.

Toyota Jidosha Kabushiki Kaisha

Asics Corporation

Nippon Steel & Sumikin Engineering Co., Ltd.

Hiroshi Tsuchikura

Satoshi Yamada

Kazuhiro Tanahashi

Nobuaki Tanaka

Koji Kadowaki

Masaki Fujita

Yuka Sakaguchi

Atsushi Kuwabara

Hiroaki Date

Masaru Harada

Koji Sugano

Yuki Ninomiya

Taisuke Kogawa

Ryosuke Yamao

Keiichi Tonomori

Koji Nishimoto

Kenta Moriyasu

Norihiko Taniguchi

Masato Masuda

Motoki Takaoka

Satoshi Naruko

Hidetoshi Sakai

Tatsuya Kosui

Tomohiko Matsuura

Iori Nakabayashi

Kyohei Yamashita

So Kakiyama

Shin Maezawa

Yuto Shimizu

Yuichi Koyamatsu

Emi Katayama

Aram Keum

Shinya Nakamichi

Hiroaki Adachi

Takayuki Kaneko

Akihiro Tokuda

Hideji Nakamura

Takuya Ryomoto

Kota Nakamura

Chisa Kuga

Koji Shimada

A cylindrical body for an implant is capable of maintaining a high patency rate by achieving a good antithrombogenicity, a low swelling property and a low Young's modulus. A cylindrical body for an implant includes: a cylindrical substrate having an elongation rate in the longitudinal direction, as measured under a tensile load of 20 N, of from 5 to 100%; and a block copolymer composed of a polyalkylene glycol block(s) and a polyhydroxyalkanoic acid block(s); wherein the ratio of the mass of the polyalkylene glycol with respect to the total mass of the block copolymer is 5 to 25%; and a film composed of the block copolymer has a Young's modulus of 200 MPa or less.

Cylindrical member for implantation

A tubular structure has succeeded in achieving excellent puncture resistance as well as maintenance of flexibility in a base by covering the base with a cover having excellent flexibility. The tubular structure includes a tubular base and a cover which covers the base, wherein the cover includes a copolymer containing a silicone monomer and a polymerizable monomer having a fluoroalkyl group(s) as monomer units.

Cylindrical structure

There is provided a plain-weave fabric excellent in low air permeability and waterproofness. Further, there is provided a stent graft excellent in low water permeability mechanical properties and catheter storage capacity, including the plain-weave fabric as a graft substrate. A plain-weave fabric woven by interlacing weaving yarns in warp and weft, in which weaving yarns YA and YB arranged in the same direction have different crimp ratios A and B, respectively, a relationship thereof satisfies Formula 1, and the crimp ratio B is 4% or more, and the plain-weave fabric is preferably used for a stent graft; A≥B×1.2.

Plain-weave fabric, method for manufacturing same, and stent graft

A nonwoven fabric sheet exhibiting high flame shielding performance, heat insulating property, and wear resistance is described, where the nonwoven fabric sheet is fabricated and includes at least one fire barrier layer formed of a web containing a non-melting fiber A having a high-temperature shrinkage rate of 3% or less and a thermal conductivity conforming to ISO22007-3 (2008) of 0.060 W/m&#xb7;K or less and in which the fire barrier layer is coupled with a scrim layer containing a carbide-forming heat resistant fiber B having a LOI value conforming to JIS K 7201-2 (2007) of 25 or more.

Nonwoven fabric sheet

It is an object to provide a woven fabric which can stably form a folding shape superior in shape retention and followability and which can be sewn while maintaining the folding structure, and also to provide a method for manufacturing the same. There is provided a woven fabric having pleats, wherein the height of the pleats is 2 to 10 times the average diameter of yarns arranged in the same direction as the pleats.

Woven fabric and method for manufacturing same

A woven/knit fabric, comprising two or more types of yarn different in elongation rate, wherein the two or more types of yarn different in elongation rate are separately arranged as independent threads in the same direction in at least one of warp and weft; and wherein a stress-strain curve obtained by applying load in a direction parallel to the direction of the arrangement of the threads has an inflection point; and includes a point satisfying an equation:2.5&#x2264;

Woven/knit fabric

A tubular woven fabric is useful as a transport hose for a fluid or a powder, as a protective hose for linear bodies such as wires, cables and conduits, as a tubular filter, or as a base material of a vascular prosthesis. The tubular woven fabric includes warp yarns and weft yarns interwoven with each other, the tubular woven fabric having an outer diameter with a variation of within 10% along the warp direction and satisfying the formula:(2&#x2212;1)/1&#x2264;0.1.

Tubular woven fabric

Glossy fibers can be processed into woven or knitted fabric suitable for clothing applications while exhibiting a sense of deep, lustrous glossiness. The glossy fibers are characterized by having an average reflectance for the visible light region of 20% or greater, an average transmittance of 40% of less, and a contrastive glossiness of 3.0 or less.

Glossy fiber

A flame resistant woven fabric has a thickness of 0.08 mm or more in accordance with the method of JIS L 1096-A (2010) and including warps and wefts, the warp and the weft each comprising: a non-melting fiber A having a high-temperature shrinkage rate of 3% or less; and a thermoplastic fiber B having an LOI value of 25 or more in accordance with JIS K 7201-2 (2007) and having a melting point lower than the ignition temperature of the non-melting fiber A; wherein the warp and the weft each have a fracture elongation of 5% or more; and wherein, in the projection area of the weave repeat of the flame resistant woven fabric, the area ratio of the non-melting fiber A is 10% or more and the area ratio of the thermoplastic fiber B is 5% or more.

Flame-resistant woven fabric

An object of the present invention is to provide a shoe having excellent comfort. The present invention provides a shoe including an upper material that is partially or fully formed of a fiber sheet, wherein the fiber sheet exhibits specific tensile characteristics at least in one direction.

Shoe

A flame-blocking nonwoven fabric has excellent processability and high flame-blocking properties. The flame-blocking nonwoven fabric has a density of 200 kg/mor more and includes non-melting fibers A whose high-temperature shrinkage rate is 3% or less and whose Young's modulus multiplied by the cross-sectional area of the fibers is 2.0 N or less, and thermoplastic fibers B whose LOI value is 25 or more as determined according to JIS K 7201-2 (2007).

Flame-blocking nonwoven fabric

A fiber-containing crystal includes a crystal body which is a crystal of a biological substance and a plurality of fibers at least partially incorporated in the crystal body; and a fiber-containing crystal includes a crystal body which is an easy-disintegrating crystal and a plurality of fibers at least partially incorporated in the crystal body.

Fiber-containing crystal, method of preparing fiber-containing crystal, apparatus for preparing fiber-containing crystal, and medicine soaking apparatus

A wear-resistant cloth has high wear resistance and is capable of exerting a long-term sliding property even under high-load environment as compared with conventional cloths. A wear-resistant multilayer fabric includes a sliding fabric and a base fabric. The sliding fabric includes polytetrafluoroethylene fibers A, the base fabric includes fibers B having creep ratio in a standard state and under 20% load of breaking strength, the creep ratio being lower than creep ratio of the polytetrafluoroethylene fibers, and the sliding fabric and the base fabric have mutual warps and/or wefts that are mutually entangled for bonding.

Wear-resistant multilayer fabrics

An artificial blood vessel is composed of a cylindrical multiple-woven fabric structure allowing only a small amount of blood leakage and can achieve both antithrombogenicity and cellular affinity. The artificial blood vessel includes a cylindrical fabric structure in which a cylindrical fabric whose inside contacts blood is arranged, wherein the cylindrical fabric is a fabric prepared by interlacing a plurality of warp yarns and a plurality of weft yarns with each other into a cylindrical shape; the warp yarns and the weft yarns constituting the cylindrical fabric include a multifilament yarn having a single yarn fineness of not more than 0.50 dtex, and are bound to an antithrombogenic material; the antithrombogenic material forms an antithrombogenic material layer having a thickness of 1 to 600 nm inside the cylindrical fabric; and the water permeability under conditions where a pressure of 16 kPa is applied to the inner surface is less than 300 mL/cm/min.

Artificial blood vessel

A vascular prosthesis with tubular woven structure, the prosthesis includes an inner layer adapted to contact a blood flow, the inner layer being formed of warp and weft yarns and having a cover factor of 1800 or more, each of a warp and weft yarns including a microfiber multifilament yarn with a monofilament fineness of 0.50 dtex or less, the multifilament yarn including microfiber monofilaments having an average intersecting angle S of the monofilaments of less than 25&#xb0;.

Vascular prosthesis

Growing community of inventors

Otsu, Japan

Hiroshi Tsuchikura