GB1462743A - Rotary bore hole air hammer - Google Patents

Rotary bore hole air hammer

Info

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
Application number
GB3781276A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bakerdrill Inc
Original Assignee
Bakerdrill Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bakerdrill Inc filed Critical Bakerdrill Inc
Publication of GB1462743A publication Critical patent/GB1462743A/en
Expired legal-status Critical Current

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
    • 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.
GB3781276A 1973-08-27 1974-05-06 Rotary bore hole air hammer Expired GB1462743A (en)

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
GB3781276A Expired GB1462743A (en) 1973-08-27 1974-05-06 Rotary bore hole air hammer
GB1978374A Expired GB1462742A (en) 1973-08-27 1974-05-06 Rotary bore hole air hammer

Family Applications After (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) GB1462743A (en)
ZA (1) ZA742741B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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
GB1462742A (en) 1977-01-26
AU7056974A (en) 1976-01-08
ZA742741B (en) 1975-04-30
CA1014143A (en) 1977-07-19
JPS5045702A (en) 1975-04-24
US3866746A (en) 1975-02-18

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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