发明名称 Mitred grate and drain cover
摘要 A drain cover and pipe combination comprises a drain cover including a substantially elliptical frame portion defining a space, the space having an axis substantially normal to the frame, and at least one cross piece located in the space so as to define a plurality of openings in the drain cover. The pipe comprises a substantially tubular member having a longitudinal axis, with the pipe having a substantially elliptical shaped rim at one end thereof with a rim axis which is other than parallel to the longitudinal axis of the tubular member. Securing means are provided for securing the drain cover over the rim of the pipe.
申请公布号 US7252458(B2) 申请公布日期 2007.08.07
申请号 US20050212152 申请日期 2005.08.26
申请人 KINCHELOE JOHN 发明人 KINCHELOE JOHN
分类号 E03F5/14;E02B11/00;E02B13/00;E03F1/00;E03F5/04;E03F5/06;F16L55/115 主分类号 E03F5/14
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