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    Method of making a coated airbag
    21.
    发明授权
    Method of making a coated airbag 有权
    制作涂层气囊的方法

    公开(公告)号：US07736702B1

    公开(公告)日：2010-06-15

    申请号：US12589222

    申请日：2009-10-20

    Applicant: Ramesh Keshavaraj

    Inventor： Ramesh Keshavaraj

    IPC: B05D3/02

    CPC classification number: B60R21/235 ,  B60R2021/23514 ,  C09D175/00 ,  Y10T442/3366

    Abstract: Coating compositions, which are used as a monolithic coating layer for airbags. The coating compositions include a combination of urethanes which are blended together. At least one of the urethane components provides gas-retaining properties and the other provides the aging stability. The gas-retaining urethane may be characterized as having high tensile strength at break, high elongation at break, and a 100% modulus less than 1,200 psi. The aging stability urethane has a polycarbonate backbone as result of a manufacturing process in which a polycarbonate diol is reacted with an isocyanate. The resulting coating compositions, when applied as a single layer to an airbag fabric, result in an airbag with good gas retention and aging stability.

    Abstract translation: 涂料组合物，用作安全气囊的整体涂层。 涂料组合物包括混合在一起的聚氨酯的组合。 至少一种聚氨酯组分提供气体保持性质，另一种提供了老化稳定性。 气体保留氨基甲酸酯的特征在于具有高断裂拉伸强度，高断裂伸长率和小于1,200psi的100％模量。 老化稳定性聚氨酯由聚碳酸酯二醇与异氰酸酯反应的制造方法得到聚碳酸酯骨架。 所得到的涂料组合物当作为气囊织物单层使用时，导致气囊保持性和老化稳定性良好的气囊。

    Airbag coatings made with hybrid resin compositions
    24.
    发明授权
    Airbag coatings made with hybrid resin compositions 有权
    用混合树脂组合物制成的气囊涂层

    公开(公告)号：US07543843B2

    公开(公告)日：2009-06-09

    申请号：US11503007

    申请日：2006-08-10

    Applicant: Ramesh Keshavaraj ,  Shulong Li

    Inventor： Ramesh Keshavaraj ,  Shulong Li

    IPC: B60R21/04

    CPC classification number: C09D175/06 ,  B60R21/235 ,  B60R2021/23514 ,  C08G2270/00 ,  D06N3/14 ,  D06N3/142 ,  Y10T428/31663 ,  Y10T442/2139 ,  C08L2666/20 ,  C08L2666/04

    Abstract: The present disclosure is directed to the use of specific hybrid resins as airbag coatings. Preferably, the polymers used to create these hybrid resins, as described herein, are urethanes blended with acrylates, vinyls, silicones, and combinations thereof, where at least one of the components has a glass transition temperature of 20° C. or less. The urethanes are preferably of the polycarbonate, polytetramethyleneglycol, silicon-based diol, or olefin-based diol type. The hybrid resins may be produced in an aqueous dispersion, in a solvent, or by mixing the polymers together where one polymer is dissolved directly into a second polymer to form a continuous matrix. The resulting hybrid resins exhibit a tensile strength of at least 1,000 p.s.i. and an elongation at break of at least about 200%.

    Abstract translation: 本公开涉及使用特定的混合树脂作为气囊涂层。 优选地，如本文所述用于产生这些杂化树脂的聚合物是与丙烯酸酯，乙烯基，硅氧烷及其组合共混的聚氨酯，其中至少一种组分的玻璃化转变温度为20℃或更低。 所述聚氨酯优选为聚碳酸酯，聚四亚甲基二醇，硅系二醇或烯烃类二醇型。 杂化树脂可以在水性分散体，溶剂中或通过将聚合物混合在一起，其中一种聚合物直接溶解到第二聚合物中以形成连续的基体。 所得混合树脂的拉伸强度至少为1000p.s.i。 断裂伸长率至少约为200％。

    Airbag with floating tethers
    25.
    发明授权
    Airbag with floating tethers 失效
    安全气囊与浮动系绳

    公开(公告)号：US07393011B2

    公开(公告)日：2008-07-01

    申请号：US11361382

    申请日：2006-02-24

    Applicant: Ramesh Keshavaraj

    Inventor： Ramesh Keshavaraj

    IPC: B60R21/16 ,  B60R21/239

    CPC classification number: B60R21/239 ,  B60R21/206 ,  B60R21/215 ,  B60R21/2338 ,  B60R2021/0051 ,  B60R2021/21525 ,  B60R2021/23169 ,  B60R2021/23382

    Abstract: An airbag assembly including one or more elongate tether elements that extend through vent openings along travel paths from anchoring locations such that the tether elements extend in sliding relation through the vent openings. The gas emission capacity of the vent openings may be adjustable based on internal cushion pressure.

    Abstract translation: 一种安全气囊组件，包括一个或多个细长系绳元件，其沿着行进路径从锚定位置延伸穿过通气口，使得系绳元件以滑动关系延伸穿过通气孔。 排气口的气体排放能力可以根据内部缓冲压力进行调节。

    Side protection airbags and method of making side protection airbags
    26.
    发明授权
    Side protection airbags and method of making side protection airbags 有权
    侧保护气囊及侧保护气囊的制作方法

    公开(公告)号：US07144038B2

    公开(公告)日：2006-12-05

    申请号：US10630403

    申请日：2003-07-30

    Applicant: Ramesh Keshavaraj

    Inventor： Ramesh Keshavaraj

    IPC: B60R21/16

    CPC classification number: B60R21/233 ,  B60R21/232 ,  B60R2021/23316

    Abstract: An inflatable side protection airbag having a first panel and a second panel, in which the first panel and second panel each have an anterior portion and a posterior portion. The first panel may comprise the outboard portion of the inflated structure. The second panel may be formed in separate fabric pieces which are sewn together, reducing the overall amount of fabric required to construct the second panel. A bridging portion may be provided in the second panel. The bridging portion may be provided adjacent a void area which is positioned at least partially between the anterior portion and the posterior portion of the second panel. An anterior portion of the first panel is mated to the anterior portion of the second panel in forming a front pillow. A posterior portion of the first panel is mated to the posterior portion of the second panel to form a back pillow. The ratio of the amount of fabric actually employed in the final product to the amount of fabric blank utilized for the construction may be as much as eighty or even ninety percent or greater for some designs.

    Abstract translation: 一种具有第一面板和第二面板的可充气侧保护气囊，其中第一面板和第二面板各自具有前部和后部。 第一面板可以包括膨胀结构的外侧部分。 第二面板可以形成在彼此缝合在一起的单独的织物片中，从而减少构成第二面板所需的织物的总量。 桥接部分可以设置在第二面板中。 桥接部分可以邻近位于第二面板的前部和后部之间的至少部分位置的空隙区域设置。 在形成前枕头时，第一面板的前部与第二面板的前部配合。 第一面板的后部配合到第二面板的后部以形成后枕。 在一些设计中，最终产品中实际使用的织物的量与用于建筑的织物坯料的量的比率可以高达八十甚至百分之九十或更高。

    Multiple panel airbag and method
    28.
    发明授权
    Multiple panel airbag and method 有权
    多面板安全气囊和方法

    公开(公告)号：US07048304B1

    公开(公告)日：2006-05-23

    申请号：US09640682

    申请日：2000-08-18

    Applicant: Ramesh Keshavaraj

    Inventor： Ramesh Keshavaraj

    IPC: B60R21/16

    CPC classification number: B60R21/231 ,  B60R2021/23514

    Abstract: An airbag cushion for use in a vehicle restraint system is provided. The airbag cushion is formed from two or more body panel sections of substantially similar straight line geometry which are joined to one another by two substantially straight seams along corresponding lateral boundary edges. Each of the body panel sections is made up of one or more panels or pieces. The upper boundary edges of the body panel sections which are not joined to one another are joined around the perimeter of a rectilinear center panel by a series of substantially straight seams. A method of forming the cushion according to the present invention is also provided.

    Abstract translation: 提供一种用于车辆约束系统的气囊垫。 气囊垫由两个或更多个基本上相似的直线几何体的主体部分形成，它们通过沿对应的横向边界边缘的两个基本上直的接缝相互连接。 每个主体面板部分由一个或多个面板或片组成。 通过一系列基本上直的接缝，不直接连接在一起的直线型中心面板的周边部分的车身板部分的上边界边缘彼此接合。 还提供了一种形成根据本发明的衬垫的方法。

    Polyester yarn and airbags employing certain polyester yarn
    29.
    发明申请
    Polyester yarn and airbags employing certain polyester yarn 审中-公开

    公开(公告)号：US20060073331A1

    公开(公告)日：2006-04-06

    申请号：US11284325

    申请日：2005-11-21

    Applicant: Ramesh Keshavaraj

    Inventor： Ramesh Keshavaraj

    IPC: D03D15/00 ,  D02G3/00

    CPC classification number: D01F6/62 ,  B60R2021/23509 ,  D03D1/02 ,  Y10T428/2913 ,  Y10T442/20 ,  Y10T442/3065

    Abstract: Airbag cushions manufactured from polyester yarn having certain levels of intrinsic viscosity (IV) and certain specific carboxyl end group (“CEG”) levels perform unexpectedly well in high temperature and high humidity environments for airbag cushion applications. This specification identifies certain polyester yarns and characteristics of such polyester yarns that are necessary to achieve unexpectedly good performance in such high humidity and high temperature applications. A polymeric polyester yarn for airbags, said yarn having a high degree of tenacity even after a long period of exposure to high temperature and high humidity conditions is disclosed. In one aspect of the invention, a polyester yarn having CEG of less than about 60 equivalents/106 gram, and more preferably less than about 30 equivalents/106 grams, is particularly useful. In another embodiment, a polyester yarn having an IV value of at least about 0.6 performs exhibits superior properties.

    Airbag cushion exhibiting low fabric usage and simultaneously high available inflation volume
    30.
    发明授权
    Airbag cushion exhibiting low fabric usage and simultaneously high available inflation volume 失效
    气囊垫表现出低织物使用率，同时高可用膨胀量

    公开(公告)号：US06910713B2

    公开(公告)日：2005-06-28

    申请号：US10624976

    申请日：2003-07-22

    Applicant: Ramesh Keshavaraj

    Inventor： Ramesh Keshavaraj

    IPC: B60R21/23 ,  B60R21/16 ,  B60R21/235 ,  B60R21/237 ,  D03D1/02

    CPC classification number: B60R21/231 ,  B60R2021/23509 ,  B60R2021/23514

    Abstract: The present invention relates to an airbag cushion, which simultaneously exhibits a very low amount of fabric utilized to produce the target airbag cushion in correlation to an overall high amount of available inflation airspace within the cushion itself. These two correlative elements are now combined for the first time in what is defined as an effective fabric usage index (being the quotient of the amount of fabric utilized in the construction of the airbag cushion and the available inflation airspace volume). The inventive airbag cushion must possess an effective fabric usage factor of at most 0.0330. A cushion exhibiting such low seam usage and fabric usage factors and also comprising an integrated looped pocket for the disposition of an inflator can is also provided as well as an overall vehicle restraint system comprising the inventive airbag cushion.

    Abstract translation: 本发明涉及一种气囊垫，其同时呈现用于生产目标气囊垫的非常少量的织物，其与衬垫本身内的总体大量可用的膨胀空气空间相关。 这两个相关元素现在首次被组合在被定义为有效织物使用指数（作为在气囊垫的构造中使用的织物量的商和可用的膨胀空间体积）中的第一次。 本发明的气囊垫必须具有至多0.0330的有效织物使用系数。 还提供了一种表现出这种低接缝用量和织物使用因子的衬垫，并且还包括用于设置充气机罐的集成环形袋，以及包括本发明的气囊垫的整体车辆约束系统。

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