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    Protective helmets
    3.
    发明授权
    Protective helmets 有权

    公开(公告)号：US09631898B2

    公开(公告)日：2017-04-25

    申请号：US11706719

    申请日：2007-02-15

    申请人： Ashok Bhatnagar ,  Lori L. Wagner ,  Brian D. Arvidson ,  Bradley L. Grunden

    发明人： Ashok Bhatnagar ,  Lori L. Wagner ,  Brian D. Arvidson ,  Bradley L. Grunden

    IPC分类号： F41H1/08 ,  A42B3/06 ,  A42C2/00

    CPC分类号： F41H1/08 ,  A42B3/063 ,  A42C2/00

    摘要： A helmet shell formed from two types of high tenacity fibers in multiple layers of fibrous materials. The fibrous materials are in the form of layers of fibrous networks in a resin matrix. There are a plurality of each type of fibrous layers. Preferably the outer set of fibrous layers is formed from aramid fibers and the inner set of fibrous layers is formed from high tenacity polyolefin fibers. There may also be employed a third type of fibrous material as an additional set of fibers and used as the outer layers of the helmet shell. The third type of fibrous layers is formed from glass fibers that are also in a resin matrix. The helmet is lightweight, has excellent ballistic resistant properties and is useful for both military and non-military applications.

    Protective helmets
    4.
    发明申请
    Protective helmets 有权
    防护头盔

    公开(公告)号：US20130212763A1

    公开(公告)日：2013-08-22

    申请号：US11706719

    申请日：2007-02-15

    申请人： Ashok Bhatnagar ,  Lori L. Wagner ,  Brian D. Arvidson ,  Bradley L. Grunden

    发明人： Ashok Bhatnagar ,  Lori L. Wagner ,  Brian D. Arvidson ,  Bradley L. Grunden

    IPC分类号： F41H1/08

    CPC分类号： F41H1/08 ,  A42B3/063 ,  A42C2/00

    摘要： A helmet shell formed from two types of high tenacity fibers in multiple layers of fibrous materials. The fibrous materials are in the form of layers of fibrous networks in a resin matrix. There are a plurality of each type of fibrous layers. Preferably the outer set of fibrous layers is formed from aramid fibers and the inner set of fibrous layers is formed from high tenacity polyolefin fibers. There may also be employed a third type of fibrous material as an additional set of fibers and used as the outer layers of the helmet shell. The third type of fibrous layers is formed from glass fibers that are also in a resin matrix. The helmet is lightweight, has excellent ballistic resistant properties and is useful for both military and non-military applications.

    摘要翻译： 由多层纤维材料的两种类型的高韧性纤维形成的头盔外壳。 纤维材料是树脂基质中纤维网层的形式。 存在多种各种纤维层。 优选地，外层纤维层由芳族聚酰胺纤维形成，并且内层的纤维层由高韧性聚烯烃纤维形成。 也可以采用第三种类型的纤维材料作为额外的一组纤维并用作头盔壳的外层。 第三种类型的纤维层由也在树脂基质中的玻璃纤维形成。 头盔重量轻，具有优异的防弹性能，适用于军事和非军事应用。

    COMPOSITE BALLISTIC FABRIC STRUCTURES FOR HARD ARMOR APPLICATIONS
    5.
    发明申请
    COMPOSITE BALLISTIC FABRIC STRUCTURES FOR HARD ARMOR APPLICATIONS 有权
    硬质合金应用的复合弹性织物结构

    公开(公告)号：US20120167751A1

    公开(公告)日：2012-07-05

    申请号：US11888479

    申请日：2007-08-01

    申请人： Henry G. Ardiff ,  David A. Steenkamer ,  Brian D. Arvidson ,  Danelle F. Powers ,  Bradley L. Grunden ,  Ashok Bhatnagar

    发明人： Henry G. Ardiff ,  David A. Steenkamer ,  Brian D. Arvidson ,  Danelle F. Powers ,  Bradley L. Grunden ,  Ashok Bhatnagar

    IPC分类号： F41H5/02 ,  F41H7/02 ,  B29C67/24 ,  B32B27/04

    CPC分类号： F41H5/0485 ,  C08J5/24 ,  Y10T442/2615 ,  Y10T442/2623

    摘要： A ballistic resistant composite material useful in rigid armor applications. The composite material includes at least one consolidated network of high tenacity fibers in a thermoplastic matrix material. The resin is a thermoplastic polyurethane resin that is semi-crystalline at room temperature. The high tenacity fibers have a tenacity of at least about 7 g/d. Prior to consolidation the polyurethane resin matrix material is in an aqueous medium. When dry, the polyurethane matrix material has a tensile modulus (at 100% elongation) of at least about 500 psi (3.45 MPa), a tensile modulus (at 300% elongation) of at least about 500 psi (3.45 MPa), and an ultimate tensile strength of at least about 2000 psi (13.78 MPa). The ballistic resistant composite material has improved ballistic properties.

    摘要翻译： 用于刚性铠装应用的防弹复合材料。 该复合材料包括至少一个热塑性基体材料中的高强度纤维的固结网络。 该树脂是在室温下为半结晶的热塑性聚氨酯树脂。 高韧性纤维具有至少约7g / d的强度。 在固化之前，聚氨酯树脂基质材料在水性介质中。 当干燥时，聚氨酯基质材料具有至少约500psi（3.45MPa）的拉伸模量（100％伸长率），至少约500psi（3.45MPa）的拉伸模量（300％伸长率），和 至少约2000psi（13.78MPa）的极限拉伸强度。 防弹复合材料具有改进的防弹性能。

    Composite ballistic fabric structures for hard armor applications
    6.
    发明授权
    Composite ballistic fabric structures for hard armor applications 有权
    用于硬装甲应用的复合弹道织物结构

    公开(公告)号：US08256019B2

    公开(公告)日：2012-09-04

    申请号：US11888479

    申请日：2007-08-01

    申请人： Henry G. Ardiff ,  David A. Steenkamer ,  Brian D. Arvidson ,  Danelle F. Powers ,  Bradley L. Grunden ,  Ashok Bhatnagar

    发明人： Henry G. Ardiff ,  David A. Steenkamer ,  Brian D. Arvidson ,  Danelle F. Powers ,  Bradley L. Grunden ,  Ashok Bhatnagar

    IPC分类号： F41H1/02 ,  B32B27/04

    CPC分类号： F41H5/0485 ,  C08J5/24 ,  Y10T442/2615 ,  Y10T442/2623

    摘要： A ballistic resistant composite material useful in rigid armor applications. The composite material includes at least one consolidated network of high tenacity fibers in a thermoplastic matrix material. The resin is a thermoplastic polyurethane resin that is semi-crystalline at room temperature. The high tenacity fibers have a tenacity of at least about 7 g/d. Prior to consolidation the polyurethane resin matrix material is in an aqueous medium. When dry, the polyurethane matrix material has a tensile modulus (at 100% elongation) of at least about 500 psi (3.45 MPa), a tensile modulus (at 300% elongation) of at least about 500 psi (3.45 MPa), and an ultimate tensile strength of at least about 2000 psi (13.78 MPa). The ballistic resistant composite material has improved ballistic properties.

    摘要翻译： 用于刚性铠装应用的防弹复合材料。 该复合材料包括至少一个热塑性基体材料中的高强度纤维的固结网络。 该树脂是在室温下为半结晶的热塑性聚氨酯树脂。 高韧性纤维具有至少约7g / d的强度。 在固化之前，聚氨酯树脂基质材料在水性介质中。 当干燥时，聚氨酯基质材料具有至少约500psi（3.45MPa）的拉伸模量（100％伸长率），至少约500psi（3.45MPa）的拉伸模量（300％伸长率），和 至少约2000psi（13.78MPa）的极限拉伸强度。 防弹复合材料具有改进的防弹性能。