发明名称 Profile to form a watertight screen in the ground and method of disposing the same
摘要 A pair of sections each has a thin main body portion with male and female interlocking means along opposite side edges. The male interlocking means of one section is connected with the female interlocking means of the adjacent section in dovetail interlocking fashion to provide an intimate fit therebetween. The terminal ends of the inwardly turned flanges of the female interlocking means of one section are disposed closely adjacent the opposite sides of the main body of the adjacent section. A trough is defined within a recess in the female interlocking means and has sealing means disposed therein.
申请公布号 US4664560(A) 申请公布日期 1987.05.12
申请号 US19840614806 申请日期 1984.05.29
申请人 CORTLEVER, NICO G. 发明人 CORTLEVER, NICO G.
分类号 E02D5/03;E02D5/14;(IPC1-7):E02D19/12;E02D31/02 主分类号 E02D5/03
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