发明名称 Combined supports of ducts and brackets in a reinforced concrete slab
摘要 The combined supports (1) intended to ensure the positioning of ducts (5) and brackets (6) are characterised in that they consist of monobloc components, and in that each monobloc component comprises three superposed parts, each having its own function, the lower part (2) ensuring the vertical positioning of the said support (1), the middle part (3a) of the said support (1) ensuring the positioning of the said bracket (6), the upper part (3c) of the said support (1) ensuring the positioning of at least one said duct (5) above the said middle part (3a). <IMAGE>
申请公布号 FR2703093(A3) 申请公布日期 1994.09.30
申请号 FR19930004012 申请日期 1993.03.25
申请人 TREFIMETAUX 发明人
分类号 F24D3/14;(IPC1-7):E04B5/48;E04C5/16 主分类号 F24D3/14
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