FR2165598A5 - - Google Patents

Info

Publication number
FR2165598A5
FR2165598A5 FR7245121A FR7245121A FR2165598A5 FR 2165598 A5 FR2165598 A5 FR 2165598A5 FR 7245121 A FR7245121 A FR 7245121A FR 7245121 A FR7245121 A FR 7245121A FR 2165598 A5 FR2165598 A5 FR 2165598A5
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
FR7245121A
Other languages
French (fr)
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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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 Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Application granted granted Critical
Publication of FR2165598A5 publication Critical patent/FR2165598A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • B25D9/16—Valve arrangements therefor
    • B25D9/22—Valve arrangements therefor involving a rotary-type slide valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
FR7245121A 1971-12-23 1972-12-18 Expired FR2165598A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1886171A CH559088A5 (xx) 1971-12-23 1971-12-23

Publications (1)

Publication Number Publication Date
FR2165598A5 true FR2165598A5 (xx) 1973-08-03

Family

ID=4435741

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245121A Expired FR2165598A5 (xx) 1971-12-23 1972-12-18

Country Status (3)

Country Link
CH (1) CH559088A5 (xx)
DE (1) DE2206014A1 (xx)
FR (1) FR2165598A5 (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8720602B2 (en) 2007-12-21 2014-05-13 Atlas Copco Rock Drills Ab Pulse generating device and a rock drilling rig comprising such a device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2161129C (en) * 1993-04-21 2000-02-01 Jarmo Uolevi Leppanen Rock drill percussion mechanism
DE4419499A1 (de) * 1994-06-03 1995-12-07 Interoc Vertriebsgesellschaft Hydraulisches Schlaggerät mit stufenlos regelbarer Schlagzahl und Schlagenergie
DE19836389C1 (de) 1998-08-12 2000-04-13 Deilmamm Haniel Maschinen Und Bohrvorrichtung mit Doppelschlagsystem
FI116513B (fi) 2003-02-21 2005-12-15 Sandvik Tamrock Oy Iskulaite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8720602B2 (en) 2007-12-21 2014-05-13 Atlas Copco Rock Drills Ab Pulse generating device and a rock drilling rig comprising such a device

Also Published As

Publication number Publication date
DE2206014A1 (de) 1973-08-02
CH559088A5 (xx) 1975-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse