发明名称 Hole patching device and method of use
摘要 A hole patching device including mechanism for covering an opening on an interior surface of a wall, the covering mechanism being formed of a generally rigid material and being at least two inches in diameter; mechanism for guiding the covering mechanism through the opening, which may include a slit cut from a center of the covering mechanism to an outer edge of the covering mechanism; mechanism for securing the covering mechanism to the interior surface of the wall to define a pocket; an insert for filling the pocket; and a hardenable material spread over the insert and pocket smoothable with the wall and a method of use.
申请公布号 US6508040(B2) 申请公布日期 2003.01.21
申请号 US20000746239 申请日期 2000.12.22
申请人 NELSON MONTE G. 发明人 NELSON MONTE G.
分类号 E04G23/02;(IPC1-7):E02D37/00;E04G23/00 主分类号 E04G23/02
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