发明名称 Connecting means (thrust piece) for producing multipart wooden cross-sections
摘要 In order to connect various wooden members to form multipart wooden cross-sections with a hollow core, tube pieces comprising square or rectangular tubing with lateral threaded sleeves and bolts (machine bolts) with washer, as force-transmitting element, are fitted together with the wooden members.
申请公布号 DE3730812(A1) 申请公布日期 1989.03.23
申请号 DE19873730812 申请日期 1987.09.14
申请人 LAGGIES,HELMUT,DIPL.-ING. 发明人 LAGGIES,HELMUT,DIPL.-ING.
分类号 E04B1/26 主分类号 E04B1/26
代理机构 代理人
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