FR1572089A - - Google Patents

Info

Publication number
FR1572089A
FR1572089A FR1572089DA FR1572089A FR 1572089 A FR1572089 A FR 1572089A FR 1572089D A FR1572089D A FR 1572089DA FR 1572089 A FR1572089 A FR 1572089A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1572089A publication Critical patent/FR1572089A/fr
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
    • E21B1/00—Percussion drilling
    • E21B1/38—Hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
    • 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
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • B25D9/265—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Automation & Control Theory (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
FR1572089D 1967-11-16 1968-07-23 Expired FR1572089A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68357867A 1967-11-16 1967-11-16

Publications (1)

Publication Number Publication Date
FR1572089A true FR1572089A (sv) 1969-06-20

Family

ID=24744634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1572089D Expired FR1572089A (sv) 1967-11-16 1968-07-23

Country Status (3)

Country Link
US (1) US3464500A (sv)
JP (1) JPS4839321B1 (sv)
FR (1) FR1572089A (sv)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328548A1 (fr) * 1975-10-24 1977-05-20 Joy Mfg Co Perfectionnements apportes aux appareils de percage a percussion, tels que marteaux perforateurs au rocher
FR2431598A1 (fr) * 1978-07-21 1980-02-15 Hilti Ag Marteau perforateur motorise
FR2448964A1 (fr) * 1978-12-27 1980-09-12 Inst Gidrodinamiki Sibirskogo Dispositif a percussion comportant un organe de freinage de percuteur

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE368055C (sv) * 1972-03-10 1981-04-13 Atlas Copco Ab Anordning vid bergborrmaskiner
JPS5238102U (sv) * 1976-08-05 1977-03-17
US4453773A (en) * 1982-12-30 1984-06-12 Toffolon Roger L Pavement breaking apparatus
SE469323B (sv) * 1986-05-14 1993-06-21 Rune Ericsson Ett slagredskap
MX2019000250A (es) * 2016-06-24 2019-10-09 Berry Metal Co Dispositivo de perforacion neumatico.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US897958A (en) * 1899-09-26 1908-09-08 Chicago Pneumatic Tool Co Pneumatic hammer.
DE455988C (de) * 1926-05-26 1928-02-14 Maschb Akt Ges H Flottmann & C Pressluftwerkzeug
US3045768A (en) * 1958-07-14 1962-07-24 Gardner Denver Co Fluid operated percussion drill
US3305953A (en) * 1963-08-15 1967-02-28 Mehren Oswald Von Pneumatic tooth for earth excavator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328548A1 (fr) * 1975-10-24 1977-05-20 Joy Mfg Co Perfectionnements apportes aux appareils de percage a percussion, tels que marteaux perforateurs au rocher
FR2431598A1 (fr) * 1978-07-21 1980-02-15 Hilti Ag Marteau perforateur motorise
FR2448964A1 (fr) * 1978-12-27 1980-09-12 Inst Gidrodinamiki Sibirskogo Dispositif a percussion comportant un organe de freinage de percuteur

Also Published As

Publication number Publication date
US3464500A (en) 1969-09-02
JPS4839321B1 (sv) 1973-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse