GB1462743A - Rotary bore hole air hammer - Google Patents
Rotary bore hole air hammerInfo
- Publication number
- GB1462743A GB1462743A GB3781276A GB3781276A GB1462743A GB 1462743 A GB1462743 A GB 1462743A GB 3781276 A GB3781276 A GB 3781276A GB 3781276 A GB3781276 A GB 3781276A GB 1462743 A GB1462743 A GB 1462743A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bore hole
- air hammer
- hole air
- rotary bore
- rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005553 drilling Methods 0.000 abstract 1
- 238000009527 percussion Methods 0.000 abstract 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- 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)
- Percussive Tools And Related Accessories (AREA)
Abstract
1462743 Percussion drills BAKERDRILL INC 6 May 1974 [27 Aug 1973] 37812/76 Divided out of 1462742 Heading E1F The disclosure corresponds with that of the parent Specification but the claims are directed to rotary hammer drilling apparatus in which torque transmitting drive segments are arranged in recesses in the anvil and in aligned openings in a drive member detachably connected to the main housing.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US392076A US3866746A (en) | 1973-08-27 | 1973-08-27 | Rotary bore hole air hammer drive mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1462743A true GB1462743A (en) | 1977-01-26 |
Family
ID=23549157
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1978374A Expired GB1462742A (en) | 1973-08-27 | 1974-05-06 | Rotary bore hole air hammer |
GB3781276A Expired GB1462743A (en) | 1973-08-27 | 1974-05-06 | Rotary bore hole air hammer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1978374A Expired GB1462742A (en) | 1973-08-27 | 1974-05-06 | Rotary bore hole air hammer |
Country Status (5)
Country | Link |
---|---|
US (1) | US3866746A (en) |
JP (1) | JPS5045702A (en) |
CA (1) | CA1014143A (en) |
GB (2) | GB1462742A (en) |
ZA (1) | ZA742741B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0011219A1 (en) * | 1978-11-10 | 1980-05-28 | Halifax Tool Company Limited | Connection of fluid flow path-defining components in down-the-hole hammer drills |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4030554A (en) * | 1975-07-07 | 1977-06-21 | Bakerdrill, Inc. | Bore hole airhammer and anvil bit |
US4054180A (en) * | 1976-02-09 | 1977-10-18 | Reed Tool Company | Impact drilling tool having a shuttle valve |
ZA7891B (en) * | 1978-01-06 | 1979-08-29 | Boart Int Ltd | Down-the-hole drilling |
FR2424408A1 (en) * | 1978-04-24 | 1979-11-23 | Stenuick Freres | PERFORATION SIZE FOR PNEUMATIC BOTTOM-OF-HOLE HAMMER |
US4530408A (en) * | 1983-03-28 | 1985-07-23 | Toutant Roland J | Porting system for pneumatic impact hammer |
FI70625C (en) * | 1984-07-03 | 1986-09-24 | Tampella Oy Ab | KOPPLINGSANORDNING FOER EN BORRNACKE FOER SLAGBORRMASKIN |
SE8501698L (en) * | 1985-04-04 | 1986-10-05 | Santrade Ltd | DRILL BIT |
SE8900473L (en) * | 1989-02-13 | 1990-08-14 | Sandvik Ab | DRILL BIT |
US5263899A (en) * | 1990-06-12 | 1993-11-23 | Hitachi Construction Machinery Co., Ltd. | Cylindrical telescopic kelly-bar apparatus |
NO314053B1 (en) * | 1999-12-28 | 2003-01-20 | Norske Stats Oljeselskap | Torque coupling for use in drill string |
US6808455B1 (en) * | 2000-05-03 | 2004-10-26 | Michael Solorenko | Torsional shock absorber for a drill string |
GB2395158B (en) * | 2002-11-14 | 2005-11-16 | Black & Decker Inc | Tool holder for a rotary hammer |
US7438140B2 (en) * | 2006-01-27 | 2008-10-21 | Exhaust Technologies, Inc. | Shock attenuating device for a rotary impact tool |
US20070289760A1 (en) * | 2006-06-16 | 2007-12-20 | Exhaust Technologies, Inc. | Shock attenuating coupling device and rotary impact tool |
JP4539659B2 (en) | 2007-01-25 | 2010-09-08 | ソニー株式会社 | Fan motor device and electronic device |
WO2011094359A2 (en) * | 2010-01-26 | 2011-08-04 | Wvc Mincon Inc. | Drilling assembly with underreaming bit and method of use |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3606930A (en) * | 1969-10-06 | 1971-09-21 | Baker Oil Tools Inc | Down-hole drilling hammer |
US3630292A (en) * | 1970-03-09 | 1971-12-28 | Meta Luella Vincent | Vibratory hammer drill |
US3612191A (en) * | 1970-03-11 | 1971-10-12 | Leo Andrew Martini | Percussion drilling tool |
-
1973
- 1973-08-27 US US392076A patent/US3866746A/en not_active Expired - Lifetime
-
1974
- 1974-04-30 ZA ZA00742741A patent/ZA742741B/en unknown
- 1974-05-06 CA CA 199062 patent/CA1014143A/en not_active Expired
- 1974-05-06 GB GB1978374A patent/GB1462742A/en not_active Expired
- 1974-05-06 GB GB3781276A patent/GB1462743A/en not_active Expired
- 1974-05-11 JP JP49052763A patent/JPS5045702A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0011219A1 (en) * | 1978-11-10 | 1980-05-28 | Halifax Tool Company Limited | Connection of fluid flow path-defining components in down-the-hole hammer drills |
Also Published As
Publication number | Publication date |
---|---|
JPS5045702A (en) | 1975-04-24 |
AU7056974A (en) | 1976-01-08 |
US3866746A (en) | 1975-02-18 |
ZA742741B (en) | 1975-04-30 |
GB1462742A (en) | 1977-01-26 |
CA1014143A (en) | 1977-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |