发明名称 ROVINGS AND METHODS AND SYSTEMS FOR PRODUCING ROVINGS
摘要 A fiber glass roving comprises a plurality of ends from a plurality of direc t draw packages, each direct draw package having a single end. Ends from a plurality of direct draw packages may be combined to form a roving at a poin t of use, such as just prior to chopping the roving in a chopping gun. Assembl ed rovings may also be formed by winding a plurality of ends from a plurality o f direct draw packages, each direct draw package having a single end, into an assembled roving package.
申请公布号 CA2475791(C) 申请公布日期 2007.11.13
申请号 CA20032475791 申请日期 2003.02.11
申请人 PPG INDUSTRIES OHIO, INC. 发明人 SARRATT, JOHN L.;PETERS, JAMES C.;TANG, CHI;WESTBROOK, PAUL A.;GU, PU;CROSS, CHRISTOPHER G.
分类号 D02G3/18;C03B37/12 主分类号 D02G3/18
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