Web-stretching process
    1.
    发明授权
    Web-stretching process 失效
    网页拉伸过程

    公开(公告)号:US4652409A

    公开(公告)日:1987-03-24

    申请号:US674145

    申请日:1984-11-23

    IPC分类号: B29C55/16 B29C55/14

    CPC分类号: B29C55/165

    摘要: A process for producing a stretched web of plastics material wherein a web of plastics material is passed through an apparatus in which the web, gripped at its edges by web gripping devices mounted on carriages which run on guide rails is stretched by increasing the distance between adjacent gripping devices by altering the degree of extension of an articulated chain to which the carriages are attached.

    摘要翻译: 一种用于生产塑料材料的拉伸幅材的方法,其中塑料材料幅材通过其中通过在导轨上运行的安装在托架上的卷筒纸夹持装置在其边缘处抓住的卷材来拉伸纤维网,通过增加相邻的 通过改变支架附接到的铰接链的延伸程度来抓握装置。