发明名称 PROCEDE POUR RACCORDER UNE CONDUITE DE DERIVATION A UNE CANALISATION PRINCIPALE ET RESEAU SOUTERRAIN DE DISTRIBUTION DE FLUIDE
摘要 <p>The method involves digging a well in a manner to clear a main pipe (2) having an upper edge (10) extending at an upper level (12). A support surface (16) of a branching connector (14) is positioned against the pipe such that a neck (18) of the connector is under the upper level. A branch pipe is connected with the main pipe. The well digging is stopped by maintaining the branch pipe under the level. An independent claim is also included for a fluid such as water or gas, distributing under ground network portion.</p>
申请公布号 FR2869090(B1) 申请公布日期 2007.09.07
申请号 FR20040003948 申请日期 2004.04.15
申请人 GAZ DE FRANCE GDF SERVICE NATIONAL ETABLISSEMENT PUBLIC A CARACTERE INDUSTRIEL ET COMMERCIAL 发明人 DARUT ALAIN;BIDEAULT JEAN MICHEL;HARDY MICHEL
分类号 F16L41/04;F16L41/06;F16L41/08;F16L47/34 主分类号 F16L41/04
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