发明名称 Construction device
摘要 A device for securing a work object on a concrete structure in cooperation with a form used in pouring the structure, the device having an anchor member with a head portion; and a fastening member having portions for individually interconnecting the head portion of the anchor member and the form in a first attitude prior to pouring and the head portion and the work object in a second attitude subsequent to pouring.
申请公布号 US4202149(A) 申请公布日期 1980.05.13
申请号 US19780905167 申请日期 1978.05.12
申请人 BETRUE, NORMAN A SR 发明人 BETRUE, NORMAN A SR
分类号 E04B1/41;E04B1/00;(IPC1-7):E04B1/38 主分类号 E04B1/41
代理机构 代理人
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