发明名称 Clamp connection for profile segments of underground yielding arch supports has hook elements consisting of flange hooks and holding rings for bolts; L-shaped pressure parts have clamping legs and pressure legs supported on holding rings
摘要 <p>The clamp connection consists of paired hook elements and pressure parts as well as threaded bolts and nuts for channel-shaped profile segments of underground yielding arch supports, which support each other with flanges (7) with fillets (8), whereby the hook elements (10) consist of flange hooks and holding rings for threaded bolts (12) and the L-shaped pressure parts (11) have clamping legs and pressure legs supported on the holding rings and with bolt openings.</p>
申请公布号 DE102007008687(B3) 申请公布日期 2008.09.25
申请号 DE20071008687 申请日期 2007.02.20
申请人 BOCHUMER EISENHUETTE HEINTZMANN GMBH & CO. KG 发明人 OOSTENRYCK, RUEDIGER;PODJADTKE, RUDI
分类号 E21D11/22;E21D11/24 主分类号 E21D11/22
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