Rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword
The utility model relates to a shield constructs construction field, specifically is a rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword. It is frequent to have solved the tool changing of current rich water sandy gravel stratum slurry shield tunnell...
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| creator | CHANG XIN WU MINGJING ZHAO XIANGPING WANG ZONGYONG LIU WENDUN AN HONGBIN LI XIAO |
| description | The utility model relates to a shield constructs construction field, specifically is a rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword. It is frequent to have solved the tool changing of current rich water sandy gravel stratum slurry shield tunnelling, have a big risk, the degree of difficulty is big, the problem low with the work efficiency with high costs, a rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword, including the shell blade disc, be equipped with the owner on the shell blade disc, vice width of cloth strip, highly different front blade disc shell sword of symmetrical bilayer is gone up to main width of cloth strip, dispose peripheral hobbing cutter on the inclined plane of the main width of cloth strip of shell blade disc, peripheral hobbing cutter outside welding has the serrated knife, the serrated knife both sides are equipped with wear -resisting protection piece. The utility model discloses t |
| format | Patent |
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It is frequent to have solved the tool changing of current rich water sandy gravel stratum slurry shield tunnelling, have a big risk, the degree of difficulty is big, the problem low with the work efficiency with high costs, a rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword, including the shell blade disc, be equipped with the owner on the shell blade disc, vice width of cloth strip, highly different front blade disc shell sword of symmetrical bilayer is gone up to main width of cloth strip, dispose peripheral hobbing cutter on the inclined plane of the main width of cloth strip of shell blade disc, peripheral hobbing cutter outside welding has the serrated knife, the serrated knife both sides are equipped with wear -resisting protection piece. 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The utility model discloses t</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLEKwjAQQLs4iPoPh7sgrYp7UZwcxM7lSK5tIE3C3cXSv1fBD3B6w3u8ZWEezgwwoRKDYLAz9Iwv8iDKqHkE8Zl5BhkceQuaQyDvXejBCSSOSkbJQhejJtQBPouvGdES5AQyRbbrYtGhF9r8uCq218uzvu0oxZYkoaFA2tb3cn88VefDqWya6q_oDU2ZP44</recordid><startdate>20161012</startdate><enddate>20161012</enddate><creator>CHANG XIN</creator><creator>WU MINGJING</creator><creator>ZHAO XIANGPING</creator><creator>WANG ZONGYONG</creator><creator>LIU WENDUN</creator><creator>AN HONGBIN</creator><creator>LI XIAO</creator><scope>EVB</scope></search><sort><creationdate>20161012</creationdate><title>Rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword</title><author>CHANG XIN ; WU MINGJING ; ZHAO XIANGPING ; WANG ZONGYONG ; LIU WENDUN ; AN HONGBIN ; LI XIAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN205638462UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2016</creationdate><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>CHANG XIN</creatorcontrib><creatorcontrib>WU MINGJING</creatorcontrib><creatorcontrib>ZHAO XIANGPING</creatorcontrib><creatorcontrib>WANG ZONGYONG</creatorcontrib><creatorcontrib>LIU WENDUN</creatorcontrib><creatorcontrib>AN HONGBIN</creatorcontrib><creatorcontrib>LI XIAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHANG XIN</au><au>WU MINGJING</au><au>ZHAO XIANGPING</au><au>WANG ZONGYONG</au><au>LIU WENDUN</au><au>AN HONGBIN</au><au>LI XIAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword</title><date>2016-10-12</date><risdate>2016</risdate><abstract>The utility model relates to a shield constructs construction field, specifically is a rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword. 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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Rich water sandy gravel stratum slurry shield tunnelling is protected footpath and is made up sword |
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