发明名称 |
DISPOSITIF DE CONTROLE D'ECOULEMENT INSERABLE DANS UNE CANALISATION, A ANCRAGE ASSISTE |
摘要 |
<p>The device has a deformable tubular membrane integrated to attachments and presenting a connected edge (21) through which the membrane is sealably connected to a body of a safety or shut-off valve. A free edge (22) of the membrane is disposed downstream of the edge (21) relative to the free ends of the attachments. The membrane and the attachments are assembled on the same side of the valve body, such that a deployment of the attachments is accompanied with a deployment of the membrane by an expansion of the free edge until the application of the free edge on an internal wall of a gas line.</p> |
申请公布号 |
FR2883953(B1) |
申请公布日期 |
2007.06.01 |
申请号 |
FR20050003167 |
申请日期 |
2005.03.31 |
申请人 |
GAZ DE FRANCE GDF SERVICE NATIONAL ETABLISSEMENT PUBLIC A CARACTERE INDUSTRIEL ET COMMERCIAL |
发明人 |
MESNIER LUC;DALIBEY AMINE |
分类号 |
F16L55/12;F15D1/02;F16K13/00;F16K17/00 |
主分类号 |
F16L55/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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