发明名称 System and method for strengthening lightweight ceilings
摘要 The present invention is directed to a method of reinforcing a waffle-structure ceiling having vertical members. The method includes drilling a hole through the vertical members and through a continuous upper layer covering the vertical members. Then, a reinforcing pin is inserted into the hole such that the shear stresses on the vertical member are transferred to the pin.
申请公布号 US2010229494(A1) 申请公布日期 2010.09.16
申请号 US20100661450 申请日期 2010.03.16
申请人 RAVITZ AHARON 发明人 RAVITZ AHARON
分类号 E04B1/38 主分类号 E04B1/38
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