发明名称 Drain hair net
摘要 A plastic device using nylon thread mesh material as a trapping element to prevent clogging of traps and drain lines caused by loose hair or other objects dropped in or washed down the drain opening. The device includes an annular flange having a depending collar which fits into a section of tubing sandwiching the mesh material between the flange and tubing. The tubing is sized to fit into the drain opening and the mesh material is sized to extend beyond the edge of the flange to cover any peripheral opening between the tubing and drain opening and to provide a tab for easy removal of the device.
申请公布号 US5297299(A) 申请公布日期 1994.03.29
申请号 US19920961878 申请日期 1992.10.16
申请人 WILSON, MARY A. 发明人 WILSON, MARY A.
分类号 E03C1/264;(IPC1-7):E03C1/264 主分类号 E03C1/264
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