发明名称 |
SUBMERSIBLE METRE OF ROCK STRENGTH |
摘要 |
FIELD: mining. ^ SUBSTANCE: submersible metre of rock strength comprises a hydraulic cylinder with three concentric cavities: input, circular and discharge ones, a loading piston with a stem equipped with an indentor, and an additional rodless piston. At the same time between the circular cavity under the additional rodless piston and the discharge cavity of the loading piston with the stem there is a hydraulic connection arranged by means of a channel. ^ EFFECT: simplified design and expansion of functional capabilities. ^ 1 dwg |
申请公布号 |
RU2433266(C1) |
申请公布日期 |
2011.11.10 |
申请号 |
RU20100110978 |
申请日期 |
2010.03.22 |
申请人 |
GOSUDARSTVENNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "SIBIRSKIJ GOSUDARSTVENNYJ INDUSTRIAL'NYJ UNIVERSITET" |
发明人 |
DVORNIKOV LEONID TROFIMOVICH;KORNEEV VIKTOR ALEKSANDROVICH |
分类号 |
E21C39/00;G01N3/40 |
主分类号 |
E21C39/00 |
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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