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    • 1. 发明授权
    • Process for manufacturing cement plates reinforced with fibrillated
polymeric films
    • 用原纤化聚合物膜增强的水泥板的制造方法
    • US4594210A
    • 1986-06-10
    • US571718
    • 1984-01-18
    • Andrea VittoneGiuseppe ChiappiniMassimo Di Paola
    • Andrea VittoneGiuseppe ChiappiniMassimo Di Paola
    • B28B1/42B28B23/00
    • B28B1/42B28B23/0006B28B1/527
    • A process is provided for continuously manufacturing plates containing an open net fibrillated polymeric film reinforcement. A net having a plurality of fibrillated polymeric film layers is unwound from a continuous reel, and the net is cut into pieces having a length approximately equal to a circumference of a forming roll for forming a plate to be manufactured. The net pieces are impregnated with a cement mix and then deposited onto a conveyor belt on which a cement mix layer has been previously deposited. After contacting the net with the cement layer, the net is subjected to vibration. A vacuum is applied to the net contacting the cement layer to remove excess water and to increase the compactness between the net and the cement layer. The net-cement panel resulting from the above is wound onto the forming roll, which has a circumference approximately equal to the length of the net piece, with simultaneous application of pressure, so that the ends of the net piece are disposed adjacent to a notch located at a periphery of the forming roll. The net-cement panel is cut at the notch adjacent to which the ends of the net pieces are arranged to form a plate, and finally the plate is compressed.
    • 提供了用于连续制造含有开放网原纤化聚合物膜增强材料的板的方法。 具有多个原纤化聚合物膜层的网从连续卷轴上退绕,并将网切成长度近似等于成形辊周长的片,以形成待制造的板。 网片用水泥混合物浸渍,然后沉积到预先沉积有水泥混合物层的传送带上。 将网与水泥层接触后,网络受到振动。 对接触水泥层的网施加真空以去除多余的水并增加网和水泥层之间的紧凑性。 由上述产生的网状水泥板被卷绕到成形辊上,成型辊的周长大致等于网片的长度,同时施加压力,使得网片的端部邻近切口 位于成形辊的周边。 网状水泥板在相邻的切口处切割,网片的端部布置成形成板,最后压板。