发明名称 |
DISPOSITIF DE PROTECTION POUR EXCAVATION, PLUS PARTICULIEREMENT UN COUSSIN ANTI EBOULEMENT |
摘要 |
The device has a maintenance unit i.e. connection straps (2), distributed on height of an inflatable structure (S) and on a face of the device. The inflatable structure appears as a flexible pocket for allowing a rolled or flat folded storage of the device, where the inflatable structure is in parallelepiped form. The flexible pocket is reinforced by resistant fabrics, thick rubber or plastics. The inflatable structure comprises a valve (3) and a pressure relief valve (4). |
申请公布号 |
FR2945555(B1) |
申请公布日期 |
2016.12.09 |
申请号 |
FR20090002300 |
申请日期 |
2009.05.13 |
申请人 |
SOCIETE DES EAUX DU NORD - SEN |
发明人 |
DEHON MICKAEL;ROSIER REZA;CARPENTIER GERARD;PRETKOWSKI JEAN CLAUDE |
分类号 |
E02D17/08 |
主分类号 |
E02D17/08 |
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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