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    MULTI-LAYER COMPOSITE COLD-ROLLED STEEL PLATE AND MANUFACTURING METHOD THEREFOR
    1.
    发明公开
    MULTI-LAYER COMPOSITE COLD-ROLLED STEEL PLATE AND MANUFACTURING METHOD THEREFOR 审中-公开

    公开(公告)号：US20230250502A1

    公开(公告)日：2023-08-10

    申请号：US18012315

    申请日：2021-06-22

    申请人： BAOSHAN IRON & STEEL CO., LTD.

    发明人： Xiaodong ZHU ,  Peng XUE

    IPC分类号： C21D8/02 ,  B32B15/01 ,  B32B43/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/00 ,  C22C38/14

    CPC分类号： C21D8/0236 ,  C21D8/0273 ,  C21D8/0226 ,  C21D8/0278 ,  B32B15/011 ,  B32B43/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/001 ,  C22C38/14 ,  C21D2211/001 ,  C21D2211/005 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2311/30

    摘要： Disclosed is a multi-layer composite cold-rolled steel plate, provided with an upper surface layer, a lower surface layer and at least one interlayer between the upper surface layer and the lower surface layer in the thickness direction of the steel plate, wherein the phase proportion of austenite in the microstructure of the upper surface layer and the lower surface layer is ≥95%, and the at least one interlayer comprises at least one first interlayer, with the phase proportion of martensite in the microstructure of the first interlayer being ≥85%. In addition, further disclosed is a method for manufacturing the multi-layer composite cold-rolled steel plate above, the method comprising the steps of: (1) preparing billets for various layers and assembling the billets; (2) rolling; (3) acid pickling and cold-rolling; (4) annealing, involving: controlling the annealing temperature to be 830-890° C., then cooling to 700-800° C. at a rate of 3-15° C./s, and then water-cooling until the steel plate temperature is below 100° C.; and (5) acid pickling the steel plate and then heating same to 180-240° C. for tempering, with the tempering time being 200-600 s. The multi-layer composite cold-rolled steel plate of the present invention has the characteristics of a high strength, a high formability and resistance to delayed cracking.

    Patching device
    6.
    发明授权
    Patching device 有权
    补丁设备

    公开(公告)号：US09387634B2

    公开(公告)日：2016-07-12

    申请号：US13954653

    申请日：2013-07-30

    申请人： William Woodruff

    发明人： William Woodruff

    IPC分类号： B29C73/00 ,  B29C43/00 ,  B29C65/00 ,  B32B37/00 ,  B65C9/26 ,  B29C65/78 ,  B29C73/08 ,  B29C73/06 ,  B29C65/48 ,  B29C73/12 ,  B32B43/00

    CPC分类号： B29C73/10 ,  B29C65/48 ,  B29C65/7841 ,  B29C66/474 ,  B29C73/06 ,  B29C73/08 ,  B29C73/12 ,  B32B37/0046 ,  B32B43/00

    摘要： The present system, method and apparatus are adapted for the quick and easy patching of inflatable devices. More specifically, the system, apparatus and methods comprise a tip, a body portion, an adhesive, a patch and a probe, wherein the tip and body portion are inserted into the inflatable device so as to apply the adhesive and patch to the interior of the device to create an air-tight seal. The disclosure thus provides an improved patching system, apparatus and method.

    摘要翻译： 本系统，方法和装置适于快速和容易地补充充气装置。 更具体地，系统，装置和方法包括尖端，主体部分，粘合剂，贴片和探针，其中尖端和主体部分插入到可充气装置中，以将粘合剂和贴片施加到 该装置创建一个气密密封。 因此，本公开提供了一种改进的补丁系统，装置和方法。

    WRINKLE DIFFUSER SYSTEM FOR COMPOSITES
    10.
    发明申请
    WRINKLE DIFFUSER SYSTEM FOR COMPOSITES 有权
    用于复合材料的WRINKLE DIFFUSER系统

    公开(公告)号：US20150044430A1

    公开(公告)日：2015-02-12

    申请号：US14222617

    申请日：2014-03-22

    申请人： The Boeing Company

    发明人： Tristan E. Lee ,  Andrew M. Hopkins ,  William T. Kline

    IPC分类号： B29C53/18 ,  B32B38/18 ,  B32B43/00 ,  B29C70/40

    CPC分类号： B29C53/18 ,  B29C33/42 ,  B29C70/543 ,  B29C70/56 ,  B32B38/18 ,  B32B43/00 ,  Y10T156/1002 ,  Y10T156/1043 ,  Y10T428/24628 ,  Y10T428/24694

    摘要： A system for diffusing wrinkles in a composite laminate may include at least one wrinkle diffuser. The wrinkle diffuser may include a diffuser body may be mounted to a tool in a manner such that a composite ply at least partially overlaps the wrinkle diffuser. A plurality of diffuser elements may be formed in the diffuser body to define a corrugated surface. The corrugated surface may cause a portion of the composite ply to assume a corrugated shape when a compaction pressure is applied to force the composite ply against the corrugated surface. The wrinkle diffuser may include an indexing feature to index the wrinkle diffuser to a ply edge of the composite ply.

    摘要翻译： 用于在复合层压板中扩散皱纹的系统可以包括至少一个皱纹扩散器。 皱纹扩散器可以包括漫射体可以以使得复合层至少部分地与皱纹扩散器重叠的方式安装到工具上。 多个扩散器元件可以形成在扩散器主体中以限定波纹表面。 当施加压实压力以将复合层压在波纹表面上时，波纹表面可能导致复合层的一部分呈波状。 皱纹扩散器可以包括将褶皱扩散器指向复合层的层边缘的分度特征。