发明名称 Concrete wall forming system
摘要 A concrete wall form includes a support structure comprising a beam capable of functioning as a stringer or stiffback and which includes a bolt holding channel, a nailer channel and an internal channel for telescopically receiving an extension splice. A tie rod locking system is associated with the support structure for readily adjusting the forms.
申请公布号 US4192481(A) 申请公布日期 1980.03.11
申请号 US19780910027 申请日期 1978.05.26
申请人 DURBIN, JAMES 发明人 DURBIN, JAMES
分类号 E04G11/12;E04G17/065;E04G17/14;(IPC1-7):E04G17/06 主分类号 E04G11/12
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