ZA766075B - Rock drill - Google Patents

Rock drill

Info

Publication number
ZA766075B
ZA766075B ZA766075A ZA766075A ZA766075B ZA 766075 B ZA766075 B ZA 766075B ZA 766075 A ZA766075 A ZA 766075A ZA 766075 A ZA766075 A ZA 766075A ZA 766075 B ZA766075 B ZA 766075B
Authority
ZA
South Africa
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
ZA766075A
Inventor
G Hibbard
Original Assignee
Joy Mfg Co
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 Joy Mfg Co filed Critical Joy Mfg Co
Publication of ZA766075B publication Critical patent/ZA766075B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
ZA766075A 1975-10-24 1976-10-12 Rock drill ZA766075B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62554075A 1975-10-24 1975-10-24

Publications (1)

Publication Number Publication Date
ZA766075B true ZA766075B (en) 1977-09-28

Family

ID=24506565

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA766075A ZA766075B (en) 1975-10-24 1976-10-12 Rock drill

Country Status (10)

Country Link
JP (1) JPS5284376A (en)
AU (2) AU510819B2 (en)
BE (1) BE847544A (en)
CA (1) CA1071946A (en)
DE (1) DE2648206A1 (en)
FI (1) FI763004A (en)
FR (1) FR2328548A1 (en)
GB (1) GB1554598A (en)
SE (2) SE431007B (en)
ZA (1) ZA766075B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU520326B2 (en) * 1976-04-28 1982-01-28 Joy Manufacturing Company Oscillating motor
FI78158C (en) * 1986-05-09 1989-06-12 Tampella Oy Ab ANORDING VID EN BORRMASKIN FOER LAGRING AV ETT ROTATIONSSTYCKE.
SE536289C2 (en) 2011-04-05 2013-08-06 Atlas Copco Rock Drills Ab Hydraulic percussion for rock or concrete cutting equipment as well as drilling and breaking equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464500A (en) * 1967-11-16 1969-09-02 Gardner Denver Co Percussion tool control means
FI126974A (en) * 1974-04-25 1975-10-26 Tampella Oy Ab
GB1450972A (en) * 1974-06-11 1976-09-29 Klemm G Percussive tool

Also Published As

Publication number Publication date
FR2328548A1 (en) 1977-05-20
AU5324079A (en) 1980-03-20
AU519878B2 (en) 1981-12-24
AU1870376A (en) 1978-04-20
BE847544A (en) 1977-04-22
FR2328548B1 (en) 1982-08-06
SE7611294L (en) 1977-04-25
AU510819B2 (en) 1980-07-17
SE431173B (en) 1984-01-23
CA1071946A (en) 1980-02-19
SE7713173L (en) 1977-11-22
JPS5284376A (en) 1977-07-13
GB1554598A (en) 1979-10-24
DE2648206A1 (en) 1977-04-28
SE431007B (en) 1983-12-27
FI763004A (en) 1977-04-25

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