发明名称 Washer for a chemical anchor
摘要 A substantially cylindrical washer having two arch-shaped channels 7, on a face on the bore hole side of the washer, wherein said channels connect an opening 2 with a through passage 3. The opening 2 is configured for the passage of an anchor rod and the through passage 3 is configured for filling a mortar mass into the bore hole. The channels 7 open relative to the bore hole and include a substantially semi-circular cross-section to assure the high tensile strength of the washer.
申请公布号 US2002125647(A1) 申请公布日期 2002.09.12
申请号 US20020093207 申请日期 2002.03.07
申请人 LUDWIG WOLFGANG;LEIBHARD ERICH 发明人 LUDWIG WOLFGANG;LEIBHARD ERICH
分类号 E21D21/00;F16B13/00;F16B43/00;(IPC1-7):F16J15/00 主分类号 E21D21/00
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