FIELD: hole drilling. SUBSTANCE: invention refers to equipment designed to ream drilled holes in order to take rock samples of enlarged volume. Mechanical reamer includes body, mobile wedge-rod with parallel sides, adapter and support. Reaming blades including rollers and cutting members are joined to body. Spring is mounted in body between upper end of wedge-rod and adapter. EFFECT: improved rise of reamer on termination of reaming cycle of specified interval of hole. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MECHANICAL HOLE REAMER | 1998 |
|
RU2152503C1 |
| DEVICE FOR MAKING OF ORIENTED MARK ON CORE | 1999 |
|
RU2171353C2 |
| DIAMOND CROWN BIT | 1999 |
|
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| DIAMOND TOOL FOR ROCK BREAKING | 2001 |
|
RU2202444C2 |
| UNIVERSAL EMERGENCY ADAPTER | 1998 |
|
RU2151266C1 |
| METHOD OF GRAVITY CONCENTRATION OF ORES AND DEVICE FOR REALIZATION OF THIS METHOD | 2001 |
|
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| DIAMOND REAMER | 2005 |
|
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| DIAMOND DRILLING BIT | 2004 |
|
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| EXPANDER | 2015 |
|
RU2612166C1 |
| DRILLING METHOD OF HARD ROCKS WITH HYDROTRANSPORT OF CORE SAMPLE AND DRILLING ASSEMBLY FOR ITS IMPLEMENTATION | 2007 |
|
RU2386005C2 |
