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Glass fiber mat for stampable sheet, process for the production of the mat, stampable sheet made from said mat, process for the production of the sheet, and equipment for the production thereof
Glass fiber mat for stampable sheet, process for the production of the mat, stampable sheet made from said mat, process for the production of the sheet, and equipment for the production thereof
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机译:用于可压印板的玻璃纤维垫,该垫的生产方法,由所述垫制成的可压印板,该板的生产方法及其生产设备
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摘要
A glass fiber mat for a stampable sheet includes long fibers and short fibers which will not separate even during forming and which are distributed uniformly to make the features of the respective fibers effective. A production system includes a double belt press type laminator which stacks the glass fiber mat, a thermoplastic resin melt and a film which is taken up and applies heat and pressure for impregnation, and cools while maintaining a pressure condition. A supply supplies the glass fiber mat into the laminator. A pair of pressure shearing rollers are arranged between the supply and an endless belt of the laminator for partially cutting the glass fibers into short fibers. The rollers are made of steel to apply line pressure to the glass fiber mat to shear the continuous fibers to uniformly distribute the short fibers in long fibers.
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