SU1817918A3 - Working headpiece of apparatus for hydraulic mining - Google Patents
Working headpiece of apparatus for hydraulic miningInfo
- Publication number
- SU1817918A3 SU1817918A3 SU4854438/03A SU4854438A SU1817918A3 SU 1817918 A3 SU1817918 A3 SU 1817918A3 SU 4854438/03 A SU4854438/03 A SU 4854438/03A SU 4854438 A SU4854438 A SU 4854438A SU 1817918 A3 SU1817918 A3 SU 1817918A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- working
- central
- headpiece
- valve
- hydraulic mining
- Prior art date
Links
Abstract
FIELD: borehole hydraulic mining. SUBSTANCE: working headpiece includes a case with axial and radial passages with valve seats for discharged central and additional ball valves. Central ball valve is made of deformable material. The valve has additional replaceable cylindrical insertion piece with central passage, with two-layer walls such as internal wall made of hard material, and external wall of deformable material. Radial hole may be originated in the replaceable insertion piece. EFFECT: high performance. 3 cl, 4 dwg
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4854438/03A SU1817918A3 (en) | 1990-07-25 | 1990-07-25 | Working headpiece of apparatus for hydraulic mining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4854438/03A SU1817918A3 (en) | 1990-07-25 | 1990-07-25 | Working headpiece of apparatus for hydraulic mining |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1817918A3 true SU1817918A3 (en) | 1996-02-27 |
Family
ID=60537061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4854438/03A SU1817918A3 (en) | 1990-07-25 | 1990-07-25 | Working headpiece of apparatus for hydraulic mining |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1817918A3 (en) |
-
1990
- 1990-07-25 SU SU4854438/03A patent/SU1817918A3/en active
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