Tubular Liner for Underground Pipes and Method of Installing Tubular Liner
    4.
    发明申请
    Tubular Liner for Underground Pipes and Method of Installing Tubular Liner 审中-公开
    管道衬管和管道衬管安装方法

    公开(公告)号:US20120199276A1

    公开(公告)日:2012-08-09

    申请号:US13021891

    申请日:2011-02-07

    IPC分类号: B32B37/00 B32B3/00 B32B5/26

    摘要: A method of rehabilitating a pipeline with a liner and a novel liner for that purpose are disclosed. The method comprises reinforcing the liner with a layer of fiber-reinforced mat such as carbon fiber reinforced mat only at one or more locations along the length of the liner corresponding to the location and length of one or more bends in the pipeline. The liner includes the fiber-reinforced mat only at locations or sections along its length which correspond to bends in the pipeline being rehabilitated so that when the liner is inverted when installing it in the pipeline, the areas of reinforcement align with the bends.

    摘要翻译: 公开了一种使用衬套和用于此目的的新型衬管修复管道的方法。 该方法包括仅在沿着衬垫的长度的一个或多个位置处对应于管道中的一个或多个弯管的位置和长度的纤维增强垫层(例如碳纤维增强垫)来增强衬垫。 衬套仅在其长度的位置或部分处包括纤维增强垫,其对应于管道中的弯曲被修复,使得当将衬管安装在管道中时,衬套被倒置,加强区域与弯曲对齐。

    PAPERMAKING FELT
    6.
    发明申请
    PAPERMAKING FELT 审中-公开

    公开(公告)号:US20110312239A1

    公开(公告)日:2011-12-22

    申请号:US13203248

    申请日:2010-02-25

    IPC分类号: B32B5/26

    摘要: A papermaking felt which, in a papermaking machine, has good water squeezing capability (water permeability) and durability with regard to flattening and which also has excellent wet paper web smoothing properties and resistance to fiber loss. The papermaking felt is made by stacking and intertwiningly integrating by needling a substrate, a first batt fiber layer disposed on the wet paper web side of the substrate, and a second batt fiber layer disposed on the machine side of the substrate; wherein the substrate is made from a plurality of reinforcing materials, the reinforcing materials include a spunyarn, and due to the intertwining with a batt fiber layer, the spunyarn is integrated to such a degree that the yarn shape disappears.

    摘要翻译: 一种造纸机,其在造纸机中具有良好的挤压能力(透水性)和对扁平化的耐久性,并且还具有优异的湿纸幅平滑性能和抗纤维损失。 造纸毡是通过针刺衬底,设置在衬底的湿纸幅侧上的第一絮垫纤维层和设置在衬底的机器侧上的第二胎层纤维层进行堆叠和交织的一体化而制成的。 其特征在于,所述基材由多种增强材料制成,所述增强材料包括纺丝纱,由于与毛层纤维层相互缠绕,所述纺丝纱一体化,使得纱线形状消失。