发明名称 Interfloor tube aspirator muffler
摘要 A muffler for use in conjunction with an interfloor tube and aspirating means during the production of multifilament, synthetic yarn is provided. Audible noise which is emitted at the exit end of the interfloor tube is reduced by up to 33.5 DELTA dB(A) and brought to within acceptable levels through the use of a perforated tube, resonant chambers, and sound absorbing means.
申请公布号 US4030651(A) 申请公布日期 1977.06.21
申请号 US19760725055 申请日期 1976.09.21
申请人 ALLIED CHEMICAL CORPORATION 发明人 WEISS, WILLIAM ROBERT;COOKSEY, JAMES JUDSON;STABLES, WILBUR LEON;NEWELL, JR., HARRY LEE
分类号 B65H51/16;D01D7/00;D01D11/00;(IPC1-7):B65H17/32 主分类号 B65H51/16
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