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    • 4. 发明申请
    • NEEDLE BONDED COMPLEX
    • 针刺复合
    • US20110268957A1
    • 2011-11-03
    • US12672635
    • 2008-07-31
    • Gilles RocherFrancois Roederer
    • Gilles RocherFrancois Roederer
    • B32B3/26B32B9/04B29C65/56B32B37/02B32B38/00
    • D04H13/00B29C70/086B29C70/24B32B5/18B32B5/245D04H3/004D04H3/105Y10T428/249953Y10T428/31504
    • A process for preparation of a complex for resin impregnation includes the production of a sheet having at least one layer of a fibrous reinforcing structure and a layer of a thickening material that considerably thickens the sheet, the layers associated in a juxtaposed manner. The process also includes needle bonding of the sheet on the side of the fibrous reinforcing structure by means of barbed needles. The barbed needles pass through at least the layer of a fibrous reinforcing structure and at least partially through the layer of thickening material. The needles move in the direction of the sheet at essentially the same speed as the sheet when they pass through it, with an impact density ranging from 1 to 25 impacts per cm2. The invention also relates to the complex made by the process and to a composite material obtained by impregnation of the complex. The invention makes faster impregnation of the complex possible during manufacture of the composite.
    • 用于制备用于树脂浸渍的复合物的方法包括制备具有至少一层纤维增强结构的片材和使该片材相当稠化的增厚材料层,该层以并置的方式相关联。 该方法还包括通过带刺针将片材在纤维增强结构的侧面上的针状结合。 有刺刺针至少穿过纤维增强结构层,至少部分地穿过增厚材料层。 当针穿过片材时,针以片材的速度基本相同的速度移动,其冲击密度为每平方厘米1至25次冲击。 本发明还涉及通过该方法制得的复合物和通过浸渍复合物获得的复合材料。 本发明在复合材料的制造过程中可以更快地浸渍复合物。
    • 8. 发明申请
    • Needle-Punched Glass Mat
    • 针刺玻璃垫
    • US20090220729A1
    • 2009-09-03
    • US12294295
    • 2005-03-20
    • Francois RoedererEmilio Bassani
    • Francois RoedererEmilio Bassani
    • B32B3/02B29C45/00C08L39/06D04H13/00
    • D04H1/46C03C25/26C08J5/08C08J5/24D04H1/4218D04H1/488D04H1/587H05K1/0366Y10T428/24033
    • The invention relates to a mat made of needle-punched strands comprising a strand made of mineral glass that has been sized by a composition comprising water, where the solids content of said composition comprises 1-30 wt % coupling agent and 30-99 wt % polyvinylpyrrolidone. The invention also relates to a method for the preparation of a mat comprising a) the deposition or projection of sized strands onto a moving belt to form a blanket of said strands, which is driven by said belt, then b) the needle punching with barbed needles which pass through said blanket and move in the direction of the blanket at substantially the same speed as the blanket when they pass through it, with a punch density ranging from 1 to 25 punches per cm2. This method is rapid and effective, and the mat obtained can be deformed easily by hand to be placed in a mold for the manufacture of a composite by the injection of resin (RTM), This mat can also be incorporated into a sheet of preimpregnated material (SMC) and be molded under pressure.
    • 本发明涉及一种由针刺线材制成的垫片,其包括由矿物玻璃制成的线束,其由包含水的组合物制成,其中所述组合物的固体含量包含1-30wt%偶联剂和30-99wt% 聚乙烯吡咯烷酮。 本发明还涉及一种用于制备垫子的方法,该方法包括:a)将大小的股线沉积或投影到移动的带上以形成由所述带驱动的所述股线的毯子,然后b)针刺刺穿 穿过所述毯子的针在穿过毯子时以基本上与毯子相同的速度沿橡皮布的方向移动,冲孔密度范围为1至25冲程/ cm 2。 该方法快速有效,所得到的垫可以用手容易地变形,以通过注射树脂(RTM)而放置在用于制造复合材料的模具中。该垫也可以并入预浸材料片中 (SMC)并在压力下成型。
    • 10. 发明申请
    • Production of continuous filament mats
    • 生产连续长丝毡
    • US20070114695A1
    • 2007-05-24
    • US10582401
    • 2004-12-16
    • Francois RoedererEric Augier
    • Francois RoedererEric Augier
    • B32B1/00D04H3/05
    • D04H3/004B65H59/384B65H2701/31D04H3/033D04H3/05
    • An installation and a method of preparing a continuous strand mat, the strands coming from at least one roving thrown onto a conveyor belt. In the method at least one roving package supported on a spindle is paid out via the outside, a rate of the pay-out imposed by a motor acting directly on the roving package so that linear speed of the paid-out roving is constant; then the roving passes through a nozzle, by passing through an entry and then an exit of the nozzle, the nozzle also provided with a transverse injection of at least one fluid mainly directed toward the exit of the nozzle, inducing a tension toward the bottom of the roving, the fluid also dividing the roving; and then the strands forming the roving are thrown in an oscillatory movement onto the conveyor belt.
    • 一种制备连续股线垫的装置和方法,来自至少一条粗纱的股线被投掷到输送带上。 在该方法中,通过外部支付至少一个支撑在主轴上的粗纱组件,由直接作用在粗纱包装上的电动机施加的支付率,使得付费粗纱的线速度恒定; 然后粗纱通过喷嘴,通过入口和喷嘴的出口,喷嘴还设置有主要指向喷嘴出口的至少一个流体的横向注射,引起朝向喷嘴底部的张力 粗纱,流体也划分粗纱; 然后将形成粗纱的丝束以振荡的方式被投掷到传送带上。