Patents by Inventor Tsuyoshi HOURAIYA
Tsuyoshi HOURAIYA 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: 11752969Abstract: A non-coated air bag base cloth of the present invention is constituted by a fabric formed using a yarn containing polyethylene terephthalate as a main raw material, in which a single fiber strength of a yarn of the fabric is 7.30 to 8.50 cN, a single fiber fineness of a yarn of the fabric is 1.6 to 3.9 dtex, and a cover factor is 2400 to 2800.Type: GrantFiled: September 27, 2018Date of Patent: September 12, 2023Assignee: SEIREN CO., LTD.Inventors: Shota Kodera, Tsuyoshi Houraiya
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Patent number: 11738709Abstract: An air bag base cloth according to the present invention includes a base cloth main body formed of synthetic fibers, and a synthetic resin layer with which at least one face of the base cloth main body is coated, and the moisture content measured in accordance with JIS L 1096.8.10 is 0.5% or less.Type: GrantFiled: October 31, 2018Date of Patent: August 29, 2023Assignee: SIREN CO., LTD.Inventors: Shota Kodera, Tsuyoshi Houraiya
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Publication number: 20230144245Abstract: A non-coated air bag fabric according to the present invention includes a plurality of weft yarns and a plurality of warp yarns, in which the weft yarns and the warp yarns are constituted by multifilament yarns in which polyethylene terephthalate fibers are used, the number of filaments in each of the multifilament yarns ranges from 122 to 242, and a coefficient of kinetic friction of a surface of the fabric ranges from 1.15 to 1.25 or less, the coefficient of kinetic friction being calculated when a friction block in which polyvinyl chloride is used is brought into contact with the fabric placed on a stage that is rotating at a rotation speed of 663 rpm, at a load of 5 N, using a torque type friction and wear tester.Type: ApplicationFiled: March 30, 2021Publication date: May 11, 2023Applicant: SEIREN CO., LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
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Patent number: 11560115Abstract: The present invention relates to an airbag base fabric including a woven fabric made from a yarn containing polyethylene terephthalate as the main raw material, the yarn having a single fiber fineness of 1.0 to 3.9 dtex and a total fineness of 280 to 470 dtex, and, in a Raman spectrum obtained by irradiating the yarn with a He—Ne laser with a wavelength of 630 nm, Ix/I0 being 1.20 or more, where Ix is the spectral intensity at 3083 cm?1, and I0=277.4.Type: GrantFiled: March 26, 2019Date of Patent: January 24, 2023Assignee: SEIREN CO., LTD.Inventors: Shota Kodera, Tsuyoshi Houraiya
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Patent number: 11414794Abstract: Provided is an airbag base fabric that is a woven fabric constituted by a yarn containing polyethylene terephthalate as the main raw material, the yarn constituting the woven fabric having a total fineness of 280 to 500 dtex and a single fiber fineness of 1.0 to 3.9 dtex, the woven fabric having a cover factor of 2400 to 2800, and the D-value calculated from the thickness D1 of a single sheet of the base fabric and the thickness D10 of ten sheets of the base fabric that are stacked together being 0.9 or less, where the D-value is calculated using a formula A below: D=D10/(D1×10).Type: GrantFiled: March 26, 2019Date of Patent: August 16, 2022Assignee: SEIREN CO., LTD.Inventors: Shota Kodera, Tsuyoshi Houraiya
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Patent number: 11390241Abstract: A non-coated air bag fabric is a fabric constituted by synthetic fibers, and the fabric has a cover factor of 2300 or more, a height difference between a recess and a protrusion on a surface of the fabric is less than 130 ?m, and a P ratio expressed by the following equation is 0.85 to 1.15 inclusive. The P ratio=HP100/HP80 where HP80 indicates air permeability after a load is applied to the fabric under a condition of 80° C., and HP100 indicates air permeability after a load is applied to the fabric under a condition of 100° C.Type: GrantFiled: September 27, 2018Date of Patent: July 19, 2022Assignee: SEIREN CO., LTD.Inventor: Tsuyoshi Houraiya
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Patent number: 11052862Abstract: Provided is an air bag base cloth constituted by a composite material obtained by coating fabric made of synthetic fibers with a synthetic resin. The average value of the 100% modulus in the warp direction of the fabric texture included in the composite material and the 100% modulus in the weft direction of the fabric texture included in the composite material is 50 N/cm or less. The 100% elongation recovery rate is 95% or more. The 100% elongation load air permeability is 0.1 L/cm2·min or less both before and after thermal treatment at 100° C.Type: GrantFiled: April 25, 2017Date of Patent: July 6, 2021Assignee: SEIREN CO., LTD.Inventor: Tsuyoshi Houraiya
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Publication number: 20210197751Abstract: An air bag base cloth according to the present invention includes a base cloth main body formed of synthetic fibers, and a synthetic resin layer with which at least one face of the base cloth main body is coated, and the moisture content measured in accordance with JIS L 1096.8.10 is 0.5% or less.Type: ApplicationFiled: October 31, 2018Publication date: July 1, 2021Applicant: SEIREN CO., LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
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Publication number: 20210140073Abstract: Provided is an airbag base fabric that is a woven fabric constituted by a yarn containing polyethylene terephthalate as the main raw material, the yarn constituting the woven fabric having a total fineness of 280 to 500 dtex and a single fiber fineness of 1.0 to 3.9 dtex, the woven fabric having a cover factor of 2400 to 2800, and the D-value calculated from the thickness D1 of a single sheet of the base fabric and the thickness D10 of ten sheets of the base fabric that are stacked together being 0.Type: ApplicationFiled: March 26, 2019Publication date: May 13, 2021Applicant: SEIREN CO.,LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
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Publication number: 20210016739Abstract: The present invention relates to an airbag base fabric including a woven fabric made from a yarn containing polyethylene terephthalate as the main raw material, the yarn having a single fiber fineness of 1.0 to 3.9 dtex and a total fineness of 280 to 470 dtex, and, in a Raman spectrum obtained by irradiating the yarn with a He—Ne laser with a wavelength of 630 nm, Ix/I0 being 1.20 or more, where Ix is the spectral intensity at 3083 cm?1, and I0=277.4.Type: ApplicationFiled: March 26, 2019Publication date: January 21, 2021Applicant: SEIREN CO., LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
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Patent number: 10760188Abstract: Provided is a non-coated air bag fabric made from polyethylene terephthalate, and the fabric is woven using fibers containing polyethylene terephthalate as the main raw material, the fabric having a cover factor of 2300 or more, Z calculated using the equation below is 8200 or more, and a height difference between recesses and protrusions on the surface of the fabric is less than 130 ?m. Z=cover factor/thickness (mm).Type: GrantFiled: September 27, 2017Date of Patent: September 1, 2020Assignee: SEIREN CO., LTD.Inventors: Shota Kodera, Tsuyoshi Houraiya
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Publication number: 20200254957Abstract: A non-coated air bag fabric is a fabric constituted by synthetic fibers, and the fabric has a cover factor of 2300 or more, a height difference between a recess and a protrusion on a surface of the fabric is less than 130 ?m, and a P ratio expressed by the following equation is 0.85 to 1.15 inclusive. The P ratio=HP100/HP80 where HP80 indicates air permeability after a load is applied to the fabric under a condition of 80° C., and HP100 indicates air permeability after a load is applied to the fabric under a condition of 100° C.Type: ApplicationFiled: September 27, 2018Publication date: August 13, 2020Applicant: SEIREN CO., LTD.Inventor: Tsuyoshi HOURAIYA
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Patent number: 10737656Abstract: Provided is a fabric for an air bag that is constituted by synthetic fibers, and the warp and the weft of the fabric have a tensile strength of 600 N/cm or more, an air flow rate of the fabric under a differential pressure of 20 kPa is 1.0 L/cm2·min or less, and an average stress of the warp and the weft that is required to additionally elongate the fabric from a 1.0% elongation state to a 3.0% elongation state is 15 N/cm or more, and an average stress of the warp and the weft that is required to additionally elongate the fabric from the 3.0% elongation state to a 5.0% elongation state is 15 N/cm or more.Type: GrantFiled: September 26, 2016Date of Patent: August 11, 2020Assignee: SEIREN CO., LTD.Inventor: Tsuyoshi Houraiya
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Publication number: 20200247348Abstract: A non-coated air bag base cloth of the present invention is constituted by a fabric formed using a yarn containing polyethylene terephthalate as a main raw material, in which a single fiber strength of a yarn of the fabric is 7.30 to 8.50 cN, a single fiber fineness of a yarn of the fabric is 1.6 to 3.9 dtex, and a cover factor is 2400 to 2800.Type: ApplicationFiled: September 27, 2018Publication date: August 6, 2020Applicant: SEIREN CO., LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
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Publication number: 20190218692Abstract: Provided is a non-coated air bag fabric made from polyethylene terephthalate, and the fabric is woven using fibers containing polyethylene terephthalate as the main raw material, the fabric having a cover factor of 2300 or more, Z calculated using the equation below is 8200 or more, and a height difference between recesses and protrusions on the surface of the fabric is less than 130 ?m. Z=cover factor/thickness (mm).Type: ApplicationFiled: September 27, 2017Publication date: July 18, 2019Applicant: SEIREN CO.,LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
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Publication number: 20190126884Abstract: Provided is an air bag base cloth constituted by a composite material obtained by coating fabric made of synthetic fibers with a synthetic resin. The average value of the 100% modulus in the warp direction of the fabric texture included in the composite material and the 100% modulus in the weft direction of the fabric texture included in the composite material is 50 N/cm or less. The 100% elongation recovery rate is 95% or more. The 100% elongation load air permeability is 0.1 L/cm2·min or less both before and after thermal treatment at 100° C.Type: ApplicationFiled: April 25, 2017Publication date: May 2, 2019Applicant: SEIREN CO.,LTD.Inventor: Tsuyoshi HOURAIYA
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Publication number: 20180281737Abstract: Provided is a fabric for an air bag that is constituted by synthetic fibers, and the warp and the weft of the fabric have a tensile strength of 600 N/cm or more, an air flow rate of the fabric under a differential pressure of 20 kPa is 1.0 L/cm2·min or less, and an average stress of the warp and the weft that is required to additionally elongate the fabric from a 1.0% elongation state to a 3.0% elongation state is 15 N/cm or more, and an average stress of the warp and the weft that is required to additionally elongate the fabric from the 3.0% elongation state to a 5.0% elongation state is 15 N/cm or more.Type: ApplicationFiled: September 26, 2016Publication date: October 4, 2018Applicant: SEIREN CO., LTD.Inventor: Tsuyoshi HOURAIYA