发明名称 DRYWALL FASTENER WITH IMPROVED DRIVING HEAD
摘要 <p>A fastener for securing a drywall work piece to a metal substrate. The fastener includes an elongated flat body carrying a securing member and having a driving head disposed at a substantially right angle to the elongated flat body. The driving head defines a bore therein surrounded by a downwardly directed flange having a distal cutting edge which cuts the top paper laminate of the drywall allowing the head to countersink into the drywall without damaging the top paper laminate.</p>
申请公布号 WO2004085863(A1) 申请公布日期 2004.10.07
申请号 WO2004US08420 申请日期 2004.03.19
申请人 EVENING STAR INVESTMENTS, L.L.C.;FARRELL, MICHAEL, E. 发明人 FARRELL, MARK;FARRELL, MICHAEL, E.
分类号 F16B15/00;F16B15/02;F16B15/06;(IPC1-7):F16B15/00 主分类号 F16B15/00
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