FR2328548B1 - - Google Patents

Info

Publication number
FR2328548B1
FR2328548B1 FR7632054A FR7632054A FR2328548B1 FR 2328548 B1 FR2328548 B1 FR 2328548B1 FR 7632054 A FR7632054 A FR 7632054A FR 7632054 A FR7632054 A FR 7632054A FR 2328548 B1 FR2328548 B1 FR 2328548B1
Authority
FR
France
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
FR7632054A
Other languages
French (fr)
Other versions
FR2328548A1 (en
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing 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 Manufacturing Co filed Critical Joy Manufacturing Co
Publication of FR2328548A1 publication Critical patent/FR2328548A1/en
Application granted granted Critical
Publication of FR2328548B1 publication Critical patent/FR2328548B1/fr
Granted legal-status Critical Current

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 OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7632054A 1975-10-24 1976-10-25 IMPROVEMENTS TO PERCUSSION DRILLING EQUIPMENT, SUCH AS ROCK DRILLING HAMMERS Granted FR2328548A1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2328548A1 FR2328548A1 (en) 1977-05-20
FR2328548B1 true FR2328548B1 (en) 1982-08-06

Family

ID=24506565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7632054A Granted FR2328548A1 (en) 1975-10-24 1976-10-25 IMPROVEMENTS TO PERCUSSION DRILLING EQUIPMENT, SUCH AS ROCK DRILLING HAMMERS

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
AU510819B2 (en) 1980-07-17
ZA766075B (en) 1977-09-28
DE2648206A1 (en) 1977-04-28
FR2328548A1 (en) 1977-05-20
SE7713173L (en) 1977-11-22
AU519878B2 (en) 1981-12-24
AU5324079A (en) 1980-03-20
GB1554598A (en) 1979-10-24
JPS5284376A (en) 1977-07-13
BE847544A (en) 1977-04-22
CA1071946A (en) 1980-02-19
FI763004A (en) 1977-04-25
SE431173B (en) 1984-01-23
SE7611294L (en) 1977-04-25
SE431007B (en) 1983-12-27
AU1870376A (en) 1978-04-20

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Legal Events

Date Code Title Description
ST Notification of lapse