专利名称：Flow controls发明人：Hermann Moldenhauer申请号：US08/946281申请日：19971007公开号：US05899224A公开日：19990504
摘要：Flow controls that can be inserted in a liquid-supply line or in the
accommodating bore of a plumbing fitting. The controls have an essentially cup-shapedmount with perforations through its bottom and a disk of resilient material fits into theperforations. At least the edge of the side of the disk facing the bottom of the cup has aconical bevel of 1° to 5° to the midplane of the disk and narrow ribs and/or sector-shaped webs that extend out essential radially at a prescribed angle around a prescribedcircumferential angle.
申请人：FIRMA A.U.K. MULLER GMBH & CO.
代理机构：Sprung Kramer Schaefer & Briscoe
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