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    OCTOGRID CONSTRUCTIONS AND APPLICATIONS UTILIZING DOUBLE-DOUBLE LAMINATE STRUCTURES
    3.
    发明申请
    OCTOGRID CONSTRUCTIONS AND APPLICATIONS UTILIZING DOUBLE-DOUBLE LAMINATE STRUCTURES 有权

    公开(公告)号：US20220363019A1

    公开(公告)日：2022-11-17

    申请号：US17743624

    申请日：2022-05-13

    申请人： The Board of Trustees of the Leland Stanford Junior University

    发明人： Stephen W. Tsai ,  Chuanxiang Zheng ,  Surajit Roy

    IPC分类号： B29C70/30 ,  F03D1/06 ,  B64C11/26

    摘要： An octogrid structure and method of forming the same for a composite laminate structure is provided. The octogrid sub-structure comprises: a first ply layer comprising a plurality of first elongate tapes oriented in a first direction and a plurality of second elongate tapes oriented in a second direction; and a second ply layer comprising a plurality of third elongate tapes oriented in the first direction and a plurality of fourth elongate tapes oriented in the second direction, the second ply layer being overlaid atop the first ply layer. A first end of each of the elongate tapes is positioned approximately adjacent a midpoint of an adjacently positioned one of the elongate tapes; and a second and opposing end of each of elongate tapes extends freely beyond a central grid portion defined by a length of a portion between the first end and the midpoint of the elongate tapes.

    COMPOSITE BI-ANGLE AND THIN-PLY LAMINATE TAPES AND METHODS FOR MANUFACTURING AND USING THE SAME
    4.
    发明申请
    COMPOSITE BI-ANGLE AND THIN-PLY LAMINATE TAPES AND METHODS FOR MANUFACTURING AND USING THE SAME 审中-公开
    复合双角和薄层压板带及其制造和使用方法

    公开(公告)号：US20150030805A1

    公开(公告)日：2015-01-29

    申请号：US13953523

    申请日：2013-07-29

    申请人： COMPAGNIE CHOMARAT ,  THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

    发明人： Stephen W. Tsai ,  Michel Cognet ,  Philippe Sanial

    IPC分类号： B32B5/12 ,  B32B5/26 ,  B32B38/18

    CPC分类号： B32B5/12 ,  B29C70/202 ,  B32B5/06 ,  B32B5/26 ,  B32B2250/40 ,  B32B2307/52 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2405/00 ,  B32B2571/00 ,  Y10T156/10 ,  Y10T428/24099 ,  Y10T428/24116

    摘要： Various embodiments provide a bi-angle pliable tape for use in forming a composite laminate structure. The bi-angle pliable tape comprises: a longitudinal axis extending in a unidirectional machine direction; a first ply comprising fibers extending in a first orientation, the first orientation being offset relative to the longitudinal axis at a first angle of less than 30°; and a second ply comprising fibers extending in a second orientation, the second orientation being opposite the first orientation relative to the unidirectional machine direction. The first ply and the second ply are further secured substantially adjacently relative to one another by one or more yarns so as to provide a non-crimped configuration such that the bi-angle tape defines a pliable structure. Corresponding composite laminate structures and methods for making the same are provided. Composite laminate integrated bulkheads, containment rings, and penetration resistant articles and corresponding methods of making the same are provided.

    摘要翻译： 各种实施例提供用于形成复合层压结构的双角柔顺带。 双角度柔性带包括：沿单向机器方向延伸的纵向轴线; 第一层，其包括以第一取向延伸的纤维，所述第一取向相对于所述纵向轴线以小于30°的第一角度偏移; 以及第二层，其包括以第二取向延伸的纤维，所述第二取向相对于所述单向机器方向与所述第一取向相反。 第一层和第二层通过一根或多根纱线进一步相对于彼此相邻地固定，以便提供非卷曲构造，使得双角带限定柔韧的结构。 提供了相应的复合层压结构及其制造方法。 提供了复合层压板综合隔板，密封环和耐渗透物品及其相应的制造方法。

    Double-double composite sub-laminate structures and methods for manufacturing and using the same
    6.
    发明授权
    Double-double composite sub-laminate structures and methods for manufacturing and using the same 有权

    公开(公告)号：US11446897B2

    公开(公告)日：2022-09-20

    申请号：US16500337

    申请日：2018-03-31

    申请人： The Board of Trustees of the Leland Stanford Junior University

    发明人： Stephen W. Tsai ,  Robert Rainsberger

    IPC分类号： B32B5/12 ,  B32B7/03 ,  B32B3/12 ,  B32B5/26

    摘要： Disclosed is a sub-laminate module for use in forming a composite laminate structure. The sub-laminate module comprises: a first ply set containing a first ply layer oriented at a first angle and a second ply layer oriented at a second angle, the second angle being equal and opposite the first angle; a second ply set containing a third ply layer oriented at a third angle and a fourth ply layer oriented at a fourth angle, the fourth angle being equal and opposite the third angle; and an acute angle defined by a difference between the first angle and the third angle, wherein the second ply layer is positioned adjacent the third ply layer and the second and third ply layers are both positioned intermediate the first and fourth ply layers, so as to define a double-double helix arrangement. Associated composite laminate structures and methods are also disclosed.

    DOUBLE-DOUBLE COMPOSITE SUB-LAMINATE STRUCTURES AND METHODS FOR MANUFACTURING AND USING THE SAME
    7.
    发明申请
    DOUBLE-DOUBLE COMPOSITE SUB-LAMINATE STRUCTURES AND METHODS FOR MANUFACTURING AND USING THE SAME 有权

    公开(公告)号：US20210114336A1

    公开(公告)日：2021-04-22

    申请号：US16500337

    申请日：2018-03-31

    申请人： The Board of Trustees of the Leland Stanford Junior University

    发明人： Stephen W. Tsai ,  Robert Rainsberger

    IPC分类号： B32B5/12 ,  B32B7/03 ,  B32B5/26 ,  B32B3/12

    摘要： Disclosed is a sub-laminate module for use in forming a composite laminate structure. The sub-laminate module comprises: a first ply set containing a first ply layer oriented at a first angle and a second ply layer oriented at a second angle, the second angle being equal and opposite the first angle; a second ply set containing a third ply layer oriented at a third angle and a fourth ply layer oriented at a fourth angle, the fourth angle being equal and opposite the third angle; and an acute angle defined by a difference between the first angle and the third angle, wherein the second ply layer is positioned adjacent the third ply layer and the second and third ply layers are both positioned intermediate the first and fourth ply layers, so as to define a double-double helix arrangement. Associated composite laminate structures and methods are also disclosed.

    Stacking sequence combinations for double-double laminate structures
    8.
    发明授权
    Stacking sequence combinations for double-double laminate structures 有权

    公开(公告)号：US11858249B2

    公开(公告)日：2024-01-02

    申请号：US17694054

    申请日：2022-03-14

    申请人： The Board of Trustees of the Leland Stanford Junior University

    发明人： Stephen W. Tsai ,  Antonio Miravete

    IPC分类号： B32B7/03

    CPC分类号： B32B7/03 ,  B32B2250/05

    摘要： A sub-laminate module is described for use in forming composite laminate structures. The module includes a first ply set containing a first ply layer oriented at a first angle and a second ply layer oriented at a second angle, the second angle being unequal the first angle; a second ply set containing a third ply layer oriented at a third angle and a fourth ply layer oriented at a fourth angle, the fourth angle being unequal the third angle; first and second equal acute angles are defined by differences between an absolute value of the first and second angles and the third and fourth angles, respectively, wherein the second ply layer is positioned adjacent the third ply layer and the second and third ply layers are both positioned intermediate the first and fourth ply layers, so as to define a staggered double-double helix sequence of the respective ply layers. Associated composite laminate structures and methods are also disclosed.

    METHODS FOR MANUFACTURING SUBLAMINATE MODULES AND FORMING COMPOSITE LAMINATED STRUCTURES FROM THE SAME
    10.
    发明申请
    METHODS FOR MANUFACTURING SUBLAMINATE MODULES AND FORMING COMPOSITE LAMINATED STRUCTURES FROM THE SAME 审中-公开
    制备亚层状模块和形成复合层压结构的方法

    公开(公告)号：US20160159013A1

    公开(公告)日：2016-06-09

    申请号：US15044573

    申请日：2016-02-16

    申请人： Compagnie Chomarat ,  The Board of Trustees of the Leland Stanford Junior University

    发明人： Stephen W. Tsai ,  Michel Cognet ,  Philippe Sanial

    IPC分类号： B29C70/20 ,  B32B5/26 ,  B32B5/06 ,  B29C70/30 ,  B32B5/12

    CPC分类号： B29C70/202 ,  B29C70/30 ,  B29K2105/0881 ,  B29K2307/04 ,  B32B5/06 ,  B32B5/12 ,  B32B5/26 ,  B32B5/28 ,  Y10T156/10 ,  Y10T156/1051 ,  Y10T428/24124

    摘要： Variously configured sub-laminate modules are provided, which comprise at least a first ply and a second ply, the first ply comprising fibers extending in a first orientation, the second ply comprising fibers extending in a second orientation. The second orientation is offset relative to the first orientation, which offset defines an acute angle between the two orientations. The acute angle is less than 90 degrees and in at least one embodiment, the acute angle is approximately 25°. In certain embodiments, the acute angle further defines an unbalanced structure of the sub-laminate module. In certain embodiments, the first and second plies may be further secured relative to one another in a non-crimped configuration. Composite laminated structures formed from various embodiments of the sub-laminate modules are also provided, at least some of which may be homogenized. Various methods of manufacturing the sub-laminate modules and the composite laminated structures are also provided.

    摘要翻译： 提供了各种配置的次级层压模块，其包括至少第一层和第二层，第一层包括以第一取向延伸的纤维，第二层包括以第二取向延伸的纤维。 第二取向相对于第一取向偏移，该偏移限定两个取向之间的锐角。 锐角小于90度，在至少一个实施例中，锐角约为25度。 在某些实施例中，锐角进一步限定了次层叠模块的不平衡结构。 在某些实施例中，第一和第二层可以非卷曲构型相对于彼此进一步固定。 还提供了由次级层压模块的各种实施例形成的复合层压结构，其中至少一些可以均化。 还提供了制造子层压模块和复合叠层结构的各种方法。