ZA73719B - Bore hole air hammer - Google Patents
Bore hole air hammerInfo
- Publication number
- ZA73719B ZA73719B ZA730719A ZA73719A ZA73719B ZA 73719 B ZA73719 B ZA 73719B ZA 730719 A ZA730719 A ZA 730719A ZA 73719 A ZA73719 A ZA 73719A ZA 73719 B ZA73719 B ZA 73719B
- Authority
- ZA
- South Africa
- Prior art keywords
- bore hole
- air hammer
- hole air
- hammer
- bore
- Prior art date
Links
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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/246,837 US3944003A (en) | 1972-04-24 | 1972-04-24 | Bore hole air hammer |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA73719B true ZA73719B (en) | 1973-10-31 |
Family
ID=22932438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA730719A ZA73719B (en) | 1972-04-24 | 1973-01-31 | Bore hole air hammer |
Country Status (5)
Country | Link |
---|---|
US (2) | US3944003A (sv) |
CA (1) | CA967941A (sv) |
GB (2) | GB1419280A (sv) |
SE (1) | SE7703111L (sv) |
ZA (1) | ZA73719B (sv) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4106571A (en) * | 1976-12-06 | 1978-08-15 | Reed Tool Co. | Pneumatic impact drilling tool |
US4098352A (en) * | 1976-12-17 | 1978-07-04 | Kennametal Inc. | Percussion bit with bypass channel therein |
US4278135A (en) * | 1978-05-03 | 1981-07-14 | Reedrill, Inc. | Variable volume pneumatic drill |
US4446929A (en) * | 1979-06-11 | 1984-05-08 | Dresser Industries, Inc. | Fluid operated rock drill hammer |
US4312412A (en) * | 1979-08-06 | 1982-01-26 | Dresser Industries, Inc. | Fluid operated rock drill hammer |
EP0040026A1 (en) * | 1980-05-09 | 1981-11-18 | Halifax Tool Company Limited | Free piston machines |
ZA816261B (en) * | 1980-09-11 | 1982-09-29 | Ian Graeme Rear | Fluid operated hammer |
AU9176182A (en) * | 1982-01-04 | 1983-07-14 | Rear, I.G. | Fluid operated hammer |
FR2656045A1 (fr) * | 1989-12-14 | 1991-06-21 | Sp K Bjur | Appareil de percussion hydraulique. |
US5113950A (en) * | 1991-03-18 | 1992-05-19 | Krasnoff Eugene L | For percussive tools, a housing, a pneumatic distributor, and a hammer piston means therefor |
SE9103792L (sv) * | 1991-12-20 | 1993-03-22 | Uniroc Ab | Saenkborrmaskin av det slag daer slagkolvens roerelse styr tillfoersel av tryckmedium |
SE501364C2 (sv) * | 1993-07-12 | 1995-01-23 | Atlas Copco Rocktech Ab | Vätskedriven sänkborrmaskin utformad med en uppslagare |
KR101009816B1 (ko) * | 2005-04-27 | 2011-01-19 | 아틀라스 코프코 세코록 에이비 | 공저 타격 드릴용 배출 밸브와 비트 조립체 |
US8276682B2 (en) * | 2007-02-05 | 2012-10-02 | American Pneumatic Tools, Inc. | Continuous stroke pneumatic tool with ball valve |
US7992652B2 (en) * | 2009-02-05 | 2011-08-09 | Atlas Copco Secoroc Llc | Fluid distributor cylinder for percussive drills |
WO2011094359A2 (en) * | 2010-01-26 | 2011-08-04 | Wvc Mincon Inc. | Drilling assembly with underreaming bit and method of use |
US8561730B2 (en) * | 2010-03-23 | 2013-10-22 | Atlas Copco Secoroc Llc | Foot valve assembly for a down hole drill |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1601733A (en) * | 1926-10-05 | Drilling machine | ||
US1599197A (en) * | 1925-11-03 | 1926-09-07 | Ingersoll Rand Co | Rock drill |
US1689275A (en) * | 1928-03-03 | 1928-10-30 | Ingersoll Rand Co | Cleansing-fluid-conveying tube for rock drills |
US1868684A (en) * | 1928-10-26 | 1932-07-26 | Ingersoll Rand Co | Cleansing fluid conveying tube |
US2580203A (en) * | 1948-10-28 | 1951-12-25 | Gulf Research Development Co | Hammer drill |
US2917025A (en) * | 1958-06-03 | 1959-12-15 | Richard O Dulaney | Pneumatic drill hammer |
US2887989A (en) * | 1958-07-03 | 1959-05-26 | Richard O Dulaney | Pneumatic rotary drill hammer |
US3085555A (en) * | 1960-05-31 | 1963-04-16 | Ingersoll Rand Co | Pneumatic hammer rock drill |
US3409091A (en) * | 1966-07-26 | 1968-11-05 | Trident Ind Inc | Percussion multi-blow gravity drill |
US3311177A (en) * | 1966-08-03 | 1967-03-28 | Mission Mfg Co | Percussion drilling tool |
US3453657A (en) * | 1967-04-17 | 1969-07-01 | Maston C Bolton | Fluid actuated percussion tool |
US3503459A (en) * | 1968-07-29 | 1970-03-31 | Mission Mfg Co | Percussion drill motor |
US3826316A (en) * | 1971-02-19 | 1974-07-30 | Reed Tool Co | Pneumatic impact tool |
US3735820A (en) * | 1971-05-05 | 1973-05-29 | Baker Oil Tools Inc | Bore hole air hammer |
US3858666A (en) * | 1972-09-28 | 1975-01-07 | Edward A Bailey | Continuous rotation rock drill |
-
1972
- 1972-04-24 US US05/246,837 patent/US3944003A/en not_active Expired - Lifetime
-
1973
- 1973-01-31 ZA ZA730719A patent/ZA73719B/xx unknown
- 1973-03-27 CA CA167,210A patent/CA967941A/en not_active Expired
- 1973-03-29 GB GB1676475A patent/GB1419280A/en not_active Expired
- 1973-03-29 GB GB1513973A patent/GB1419279A/en not_active Expired
-
1975
- 1975-04-07 US US05/566,039 patent/US4146097A/en not_active Expired - Lifetime
-
1977
- 1977-03-18 SE SE7703111A patent/SE7703111L/sv unknown
Also Published As
Publication number | Publication date |
---|---|
CA967941A (en) | 1975-05-20 |
US4146097A (en) | 1979-03-27 |
GB1419280A (en) | 1975-12-31 |
AU5477073A (en) | 1974-10-24 |
GB1419279A (en) | 1975-12-31 |
US3944003A (en) | 1976-03-16 |
SE7703111L (sv) | 1977-03-18 |
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