发明名称 Trommel screen unit
摘要 The trommel screen unit includes a screen panel of polyurethane having embedded therein a plurality of longitudinal and transverse fiberglass rods. Marginal portions of the polyurethane panel overlie and are bonded to a rectangular steel frame, the sides of the frame having longitudinally spaced notches which receive therein the end portions of the transverse rod.
申请公布号 US4222865(A) 申请公布日期 1980.09.16
申请号 US19790012880 申请日期 1979.02.16
申请人 IRATHANE SYSTEMS INCORPORATED 发明人 VALERI, WILLIAM J.;BURKES, DANIEL O.
分类号 B01D33/00;B07B1/22;B07B1/46;(IPC1-7):B07B1/22 主分类号 B01D33/00
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