发明名称 ENVIRONMENTAL CONTROL OF NEEDLED MAT PRODUCTION
摘要 <p>A process is described for improving needling efficiency in the preparation of continuous fiber glass strand needled mat involving subjecting the continuous glass strand mat to environmental treatments before and during needling to control mat moisture and temperatures. A low relative humidity and warm temperature environment is maintained during needling and the mat is exposed to similar treatment prior to needling.</p>
申请公布号 CA1154239(A) 申请公布日期 1983.09.27
申请号 CA19810373572 申请日期 1981.03.20
申请人 PPG INDUSTRIES, INC. 发明人
分类号 D04H1/46 主分类号 D04H1/46
代理机构 代理人
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