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    Propulsion system for contoured film and method of use
    1.
    发明授权
    Propulsion system for contoured film and method of use 失效
    轮廓膜推进系统及其使用方法

    公开(公告)号：US06432338B1

    公开(公告)日：2002-08-13

    申请号：US09486713

    申请日：2000-05-30

    申请人： Herbert Sybrant van de Velde Keyser ,  Dirk Gustaaf Remi Vanden Broecke

    发明人： Herbert Sybrant van de Velde Keyser ,  Dirk Gustaaf Remi Vanden Broecke

    IPC分类号： B29C6900

    CPC分类号： B32B17/10981 ,  B32B17/10761 ,  B32B17/10889 ,  B65H23/02 ,  B65H2301/3111

    摘要： Film treatment surface provided with a propulsion system for circularly contoured film (5) along a circular path are disclosed. The essential propulsion and steering system is represented by two adjustable disks (2, 3), one being equipped with a propulsion wheel and a steering mechanism whereas the second disk embodies an idler wheel and a steering mechanism. The treatment surface was found to be beneficially suitable for the manufacture of cut shaped blanks made from shaped films of plasticized polyvinyl butyral. The blanks can be used in automobile windshields.

    摘要翻译： 公开了一种设置有用于圆形路径的圆形轮廓膜（5）的推进系统的膜处理表面。 基本的推进和转向系统由两个可调节的盘（2,3）表示，一个配备有推进轮和转向机构，而第二个盘体现了惰轮和转向机构。 发现处理表面有利于制造由塑化聚乙烯醇缩丁醛的成型薄膜制成的切割成形坯料。 空白可用于汽车挡风玻璃。

    Process of making cut, shaped blanks
    2.
    发明授权
    Process of making cut, shaped blanks 失效
    制作切割成形坯料的过程

    公开(公告)号：US5648034A

    公开(公告)日：1997-07-15

    申请号：US445611

    申请日：1995-05-22

    申请人： Herbert Sybrant van de Velde Keyser

    发明人： Herbert Sybrant van de Velde Keyser

    IPC分类号： B29C55/02 ,  B29C55/04 ,  B29K55/00 ,  B29L7/00 ,  B29C55/06

    CPC分类号： B32B17/10889 ,  B29C55/04 ,  B29C55/045 ,  B32B17/10761 ,  B32B17/10981 ,  B29L2031/7782

    摘要： An apparatus and method for continuously stretching a web of thermoplastic sheet into an arcuate form of desired curvature for the manufacture of laminated windshields. The apparatus includes conventional heating rolls, but employs at least two adjustable multispoke pyramids, one hot setting pyramid and one cooling pyramid which are separated by a wall incorporating a folding bar. The method relates to the manufacture of cut shaped blanks wherein hot setting and cooling steps are physically separated. Residual snap back after hot setting is released prior to the cooling step.

    摘要翻译： 一种用于将热塑性片材的纤维网连续地拉伸成所需曲率的弓形形状以制造层压挡风玻璃的装置和方法。 该装置包括常规的加热辊，但是采用至少两个可调节的多分支金字塔，一个热定金字塔和一个冷却金字塔，它们由一个装有折叠杆的墙壁隔开。 该方法涉及其中热定型和冷却步骤物理分离的切割成形坯料的制造。 在冷却步骤之前释放热设定后的残余回弹。