ZA200400317B - Rock drill silencing apparatus - Google Patents
Rock drill silencing apparatus Download PDFInfo
- Publication number
- ZA200400317B ZA200400317B ZA2004/00317A ZA200400317A ZA200400317B ZA 200400317 B ZA200400317 B ZA 200400317B ZA 2004/00317 A ZA2004/00317 A ZA 2004/00317A ZA 200400317 A ZA200400317 A ZA 200400317A ZA 200400317 B ZA200400317 B ZA 200400317B
- Authority
- ZA
- South Africa
- Prior art keywords
- housing
- rock drill
- rock
- exhaust
- drill
- Prior art date
Links
- 239000011435 rock Substances 0.000 title claims description 65
- 230000030279 gene silencing Effects 0.000 title claims description 8
- 238000005553 drilling Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000035515 penetration Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/38—Hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200106132 | 2001-07-26 | ||
| PCT/IB2001/002264 WO2003009974A1 (fr) | 2001-07-26 | 2001-11-30 | Appareil destine a attenuer le bruit d'une perforatrice de roche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200400317B true ZA200400317B (en) | 2005-03-30 |
Family
ID=25589252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2004/00317A ZA200400317B (en) | 2001-07-26 | 2004-01-15 | Rock drill silencing apparatus |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA2455685C (fr) |
| WO (1) | WO2003009974A1 (fr) |
| ZA (1) | ZA200400317B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7681690B2 (en) | 2007-07-13 | 2010-03-23 | Longyear Tm, Inc. | Noise abatement device for a pneumatic tool |
| US7735603B2 (en) | 2008-05-28 | 2010-06-15 | Longyear Tm, Inc. | Noise reducing device for a pneumatic tool |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2258051C3 (de) * | 1972-11-27 | 1975-07-03 | Kent Air Tool Co., Kent, Ohio (V.St.A.) | Als Schalldämpfer ausgebildetes Traggestell für einen durch Druckluft angetriebenen Schlaghammer |
| DE2420016A1 (de) * | 1974-04-25 | 1975-10-30 | Demag Drucklufttechnik Gmbh | Schalldaemmeinrichtung fuer druckluftbetriebene werkzeuge |
| GB1584888A (en) * | 1977-01-18 | 1981-02-18 | Salzgitter Maschinen Ag | Rock drilling apparatus |
| EP0015700B1 (fr) * | 1979-02-28 | 1982-07-28 | CompAir Construction and Mining Limited | Dispositif pneumatique à piston effectuant un mouvement alternatif |
| FR2553697B1 (fr) * | 1983-10-24 | 1986-03-14 | Charbonnages De France | Dispositif d'insonorisation d'un fleuret de foration |
| CA2034940A1 (fr) * | 1990-01-27 | 1991-07-28 | David T. Allan | Outils pneumatiques |
| ZA977248B (en) | 1996-08-13 | 1998-02-23 | Csir | Rock drilling apparatus. |
| AU722846B1 (en) * | 1999-03-11 | 2000-08-10 | Rockmin Pty Ltd | A method and apparatuses for pressure wave suppression and fly rock control in small-charge blasting |
-
2001
- 2001-11-30 WO PCT/IB2001/002264 patent/WO2003009974A1/fr not_active Application Discontinuation
- 2001-11-30 CA CA002455685A patent/CA2455685C/fr not_active Expired - Fee Related
-
2004
- 2004-01-15 ZA ZA2004/00317A patent/ZA200400317B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2455685C (fr) | 2009-05-19 |
| WO2003009974A1 (fr) | 2003-02-06 |
| CA2455685A1 (fr) | 2003-02-06 |
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