ZA802762B - Fluid operated rock drill hammer - Google Patents

Fluid operated rock drill hammer

Info

Publication number
ZA802762B
ZA802762B ZA00802762A ZA802762A ZA802762B ZA 802762 B ZA802762 B ZA 802762B ZA 00802762 A ZA00802762 A ZA 00802762A ZA 802762 A ZA802762 A ZA 802762A ZA 802762 B ZA802762 B ZA 802762B
Authority
ZA
South Africa
Prior art keywords
rock drill
fluid operated
drill hammer
operated rock
hammer
Prior art date
Application number
ZA00802762A
Other languages
English (en)
Inventor
D Pillow
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of ZA802762B publication Critical patent/ZA802762B/xx

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
    • 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)
ZA00802762A 1979-06-11 1980-05-08 Fluid operated rock drill hammer ZA802762B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/047,417 US4446929A (en) 1979-06-11 1979-06-11 Fluid operated rock drill hammer

Publications (1)

Publication Number Publication Date
ZA802762B true ZA802762B (en) 1981-05-27

Family

ID=21948850

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00802762A ZA802762B (en) 1979-06-11 1980-05-08 Fluid operated rock drill hammer

Country Status (8)

Country Link
US (1) US4446929A (xx)
AU (1) AU532817B2 (xx)
CA (1) CA1128926A (xx)
DE (1) DE3021474A1 (xx)
ES (1) ES8105814A1 (xx)
FR (1) FR2458668A1 (xx)
GB (1) GB2052608B (xx)
ZA (1) ZA802762B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043291B1 (en) * 1980-07-01 1985-05-02 Greame Rear Ian Improved fluid operated hammer
DE3113899C2 (de) * 1981-04-07 1985-03-14 Naučno-issledovatel'skij proektno-konstruktorskij institut po dobyče poleznych iskopaemych otkrytym sposobom, Čeljabinsk Drehschlaghammer zur Niederbringung von Gesteinsbohrlöchern
AU9176182A (en) * 1982-01-04 1983-07-14 Rear, I.G. Fluid operated hammer
SE8501698L (sv) * 1985-04-04 1986-10-05 Santrade Ltd Borrkrona
WO1988003220A1 (en) * 1986-10-24 1988-05-05 William Lister A pneumatic percussion hammer
US4921056A (en) * 1987-04-23 1990-05-01 Ennis Melvyn S J Hammer drills for making boreholes
AU607419B2 (en) * 1987-05-27 1991-03-07 Ingersoll-Rand Company Down hole drill improvement
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
US5402854A (en) * 1992-10-06 1995-04-04 Ingersoll-Rand Company Fluid distributor for a debris flushing system in a percussive, fluid-activated apparatus
US5662180A (en) * 1995-10-17 1997-09-02 Dresser-Rand Company Percussion drill assembly
US5957220A (en) * 1995-10-17 1999-09-28 Dresser-Rand Company Percussion drill assembly
GB2313643A (en) * 1996-05-31 1997-12-03 Inst Gornogo Dela Sibirskogo O Apparatus for impact action
SE9700974D0 (sv) * 1997-03-18 1997-03-18 Atlas Copco Rock Drills Ab Fluidumdrivet slagverk
AUPO698197A0 (en) * 1997-05-26 1997-06-19 Sds Digger Tools Pty Ltd A percussive hammer drill
US6062322A (en) * 1998-06-15 2000-05-16 Sandvik Ab Precussive down-the-hole rock drilling hammer
US6131672A (en) * 2000-02-14 2000-10-17 Sandvik Ab Percussive down-the-hole rock drilling hammer and piston therefor
JP3818438B2 (ja) * 2001-12-14 2006-09-06 独立行政法人産業技術総合研究所 坑底駆動型パーカッションドリル
US7422074B2 (en) * 2006-05-19 2008-09-09 Numa Tool Company Delayed compression sleeve hammer
US8176995B1 (en) * 2009-02-03 2012-05-15 Sandia Corporation Reduced-impact sliding pressure control valve for pneumatic hammer drill
US8006776B1 (en) * 2009-02-03 2011-08-30 Sandia Corporation Sliding pressure control valve for pneumatic hammer drill
USD873316S1 (en) * 2013-10-31 2020-01-21 Center Rock Inc. Non-rotating drill bit for a down-the-hole drill hammer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887989A (en) * 1958-07-03 1959-05-26 Richard O Dulaney Pneumatic rotary drill hammer
GB1004694A (en) * 1960-09-19 1965-09-15 Mission Mfg Co Improvements in or relating to percussion drilling apparatus
US3193024A (en) * 1962-01-18 1965-07-06 Atlantic Refining Co Percussion drills with exhaust passage in hammer
US3084673A (en) * 1962-04-16 1963-04-09 St Joseph Lead Co Down-hole drill
US3527239A (en) * 1968-09-26 1970-09-08 Gardner Denver Co Exhaust tube for down-hole drill
US3606930A (en) * 1969-10-06 1971-09-21 Baker Oil Tools Inc Down-hole drilling hammer
US3599730A (en) * 1970-01-07 1971-08-17 Atlas Copco Ab Pressure fluid operated percussion tool
US3612191A (en) * 1970-03-11 1971-10-12 Leo Andrew Martini Percussion drilling tool
US3826316A (en) * 1971-02-19 1974-07-30 Reed Tool Co Pneumatic impact tool
US3944003A (en) * 1972-04-24 1976-03-16 Bakerdrill, Inc. Bore hole air hammer
GB1419981A (en) * 1973-01-09 1976-01-07 Halifax Tool Co Ltd Percussion drills
US3896886A (en) * 1973-08-10 1975-07-29 Bakerdrill Inc Bore hole hammer drill
US4015670A (en) * 1974-09-06 1977-04-05 Ian Graeme Rear Fluid operated hammer
GB1585086A (en) * 1976-07-28 1981-02-25 Compair Constr Mining Ltd Down-the-hole percussion drills
GB1552975A (en) * 1976-12-07 1979-09-19 Atlas Copco Ab Drills

Also Published As

Publication number Publication date
ES492313A0 (es) 1981-05-16
US4446929A (en) 1984-05-08
AU532817B2 (en) 1983-10-13
FR2458668B1 (xx) 1984-03-23
GB2052608B (en) 1983-04-07
AU5830680A (en) 1980-12-18
CA1128926A (en) 1982-08-03
ES8105814A1 (es) 1981-05-16
GB2052608A (en) 1981-01-28
DE3021474A1 (de) 1980-12-18
FR2458668A1 (fr) 1981-01-02

Similar Documents

Publication Publication Date Title
GB2054705B (en) Fluid operated rock drill hammer
GB2052608B (en) Fluid operated rock drill hammer
ZA803409B (en) Hammer drill
DE3162371D1 (en) Drill hammer
GB2048753B (en) Hammer drill
GB2059482B (en) Rock drill
GB2074058B (en) Rock drill
GB2025830B (en) Hammer drill
ZA78999B (en) Rock drill bit
GB2058888B (en) Drill rig
GB2058645B (en) Hammer drill
JPS57102778A (en) Hammer drill
JPS5433802A (en) Rock drill tool
GB2088437B (en) Rock drill
GB2060738B (en) Rock drill
GB2011286B (en) Rock drill bit
AU529133B2 (en) Pneumatic percussion rock drill
JPS5531590A (en) Drill hammer
JPS5796709A (en) Hammer drill
JPS55119886A (en) Boring tool for rock drill
GB2033454B (en) Rock drilling tool
AU519051B2 (en) Percussion rock drill
AU534895B2 (en) Percussive hammer or drill
ZA8327B (en) Fluid operated hammer having drill bit clearance means
JPS5768491A (en) Hydraulic rock drill