METHOD FOR MAKING COMPOSITE PARTS HAVING AT LEAST ONE CURVED AREA
    2.
    发明申请
    METHOD FOR MAKING COMPOSITE PARTS HAVING AT LEAST ONE CURVED AREA 有权
    用于制造具有至少一个弯曲区域的复合部件的方法

    公开(公告)号:US20100173143A1

    公开(公告)日:2010-07-08

    申请号:US12602726

    申请日:2008-06-10

    IPC分类号: B32B27/12 B62D3/00

    摘要: The invention relates to a method for making a composite part including an assembly of superimposed webs of reinforcement threads imbedded at least partially in a polymer matrix, said part including at least one curved area and the method comprising steps of draping or stacking plies of a composite material, characterised in that, in at least one area adjacent to a curved area, at least one draping or stacking step is carried out with a ply of composite material, that comprises a web, or twisted thread web, including at least one twisted reinforcement thread in order to at least compensate the length differences of the extreme paths of the thread on either side of the width as measured in a direction parallel to the surface of the web; the invention also relates to the composite materials thus obtained.

    摘要翻译: 本发明涉及一种用于制造复合部件的方法,该复合部件包括至少部分地嵌入聚合物基体中的叠加的加强丝的腹板的组件,所述部件包括至少一个弯曲区域,并且所述方法包括以下步骤:将复合层 材料,其特征在于,在与弯曲区域相邻的至少一个区域中,使用复合材料层进行至少一个悬垂或堆叠步骤,所述复合材料层包括幅材或扭曲线幅,所述纤维网或扭曲线幅包括至少一个扭绞加强件 螺纹,以便至少补偿在平行于纤维网的表面的方向上测量的在宽度的任一侧上的螺纹的极端路径的长度差; 本发明还涉及由此获得的复合材料。

    Veiled tape with improved resistance to delamination
    3.
    发明授权
    Veiled tape with improved resistance to delamination 有权
    带状胶带具有改善的抗分层性能

    公开(公告)号:US09205603B2

    公开(公告)日:2015-12-08

    申请号:US14117090

    申请日:2012-05-31

    摘要: The present invention provides a method of preparing a tape with a given width, said tape being composed of an assembly of filaments extending in a direction substantially parallel to the length of the tape, and between which a powder of a polymeric material is distributed, each face of said tape being associated with a nonwoven of polymeric fibers, the method comprising: —a step consisting in depositing powder formed from a polymeric material on at least one of the faces of the tape, preferably on both faces; —a step consisting in heating in order to at least partially soften the deposited powder then of tightening the tape in order to adjust its width to the width desired and to cause at least a portion of the powder to penetrate into the thickness of the tape between the filaments, and of cooling the tape to fix its width and provide cohesiveness because of the powder; and—to tapes obtained using said method.

    摘要翻译: 本发明提供了一种制备具有给定宽度的带的方法,所述带由沿着基本上平行于带的长度的方向延伸的细丝的组合组成,并且其间分布有聚合材料的粉末,每个 所述胶带的表面与聚合物纤维的非织造材料相关联,所述方法包括: - 一步骤,将优选在所述胶带的至少一个表面上的由聚合物材料形成的粉末沉积在两个表面上; - 包括加热的步骤,以便至少部分地软化沉积的粉末,然后拧紧带子,以便将其宽度调整到所需的宽度,并使至少一部分粉末渗透到带的厚度之间 长丝,并且冷却带以固定其宽度并由于粉末而提供粘合性; 并使用所述方法获得的带。

    VEILED TAPE WITH IMPROVED RESISTANCE TO DELAMINATION
    4.
    发明申请
    VEILED TAPE WITH IMPROVED RESISTANCE TO DELAMINATION 有权
    带有改进的分层电阻的带状带

    公开(公告)号:US20140322511A1

    公开(公告)日:2014-10-30

    申请号:US14117090

    申请日:2012-05-31

    IPC分类号: B29C70/02 B32B5/26 B32B5/02

    摘要: The present invention provides a method of preparing a tape with a given width, said tape being composed of an assembly of filaments extending in a direction substantially parallel to the length of the tape, and between which a powder of a polymeric material is distributed, each face of said tape being associated with a nonwoven of polymeric fibers, the method comprising: —a step consisting in depositing powder formed from a polymeric material on at least one of the faces of the tape, preferably on both faces; —a step consisting in heating in order to at least partially soften the deposited powder then of tightening the tape in order to adjust its width to the width desired and to cause at least a portion of the powder to penetrate into the thickness of the tape between the filaments, and of cooling the tape to fix its width and provide cohesiveness because of the powder; and —to tapes obtained using said method.

    摘要翻译: 本发明提供了一种制备具有给定宽度的带的方法,所述带由沿着基本上平行于带的长度的方向延伸的细丝的组合组成,并且其间分布有聚合材料的粉末,每个 所述胶带的表面与聚合物纤维的非织造材料相关联,所述方法包括: - 一步骤,将优选在所述胶带的至少一个表面上的由聚合物材料形成的粉末沉积在两个表面上; - 包括加热的步骤,以便至少部分地软化沉积的粉末,然后拧紧带子,以便将其宽度调节到所需的宽度,并且使至少一部分粉末渗透到带的厚度之间 长丝,并且冷却带以固定其宽度并由于粉末而提供粘合性; 并使用所述方法获得的带。

    HEAD FOR THE APPLICATION OF REINFORCING THREADS ON A DEPOSITION SURFACE
    7.
    发明申请
    HEAD FOR THE APPLICATION OF REINFORCING THREADS ON A DEPOSITION SURFACE 有权
    用于在沉积表面加强螺纹的头

    公开(公告)号:US20110309543A1

    公开(公告)日:2011-12-22

    申请号:US13139460

    申请日:2009-12-18

    IPC分类号: B29C70/54

    CPC分类号: B29C70/384 B29C70/545

    摘要: Applicator head for reinforcement yarns (2) on a deposition surface (3), said head comprising:a cutting mechanism (8) for reinforcement yarns (2) upstream of an application zone (5), including at least one cutting unit (10) and one motor unit (11) for moving the cutter (10), first along a forward stroke (f1) to avow the cutting of the reinforcement yarns (2), and secondly along a return stroke (f2) in a reverse direction, to allow the release of the cutter (10) from the reinforcement yarns (2),and a redirection system (16) for the reinforcement yarns after cutting, at least up to the application zone (5),The cutting mechanism (8) powers the redirection system (16) with means designed to, firstly not feed the reinforcement yarns (2) in the forward stroke (f1) of the cutter (10) and, secondly, to feed the reinforcement yarns (2) at least up to the application area (5), during the return stroke (f2).

    摘要翻译: 用于在沉积表面(3)上的加强纱线(2)的涂抹器头部,所述头部包括:用于在施加区域(5)上游的加强纱线(2)的切割机构(8),包括至少一个切割单元(10) 以及用于使切割器(10)移动的一个马达单元(11),首先沿着向前行程(f1)移动,以提供加强纱线(2)的切割,其次沿着返回行程(f2)反向移动到 允许从加强纱线(2)释放切割器(10),以及用于至少在直到施加区域(5)之后的加强纱线的重定向系统(16)。切割机构(8)为 重定向系统(16)具有设计成在切割器(10)的向前行程(f1)中首先不将加强纱线(2)馈送的装置,其次,至少将加强纱线(2)馈送到应用 区域(5),返回行程(f2)。