FR2140700A5 - - Google Patents

Info

Publication number
FR2140700A5
FR2140700A5 FR7035034A FR7035034A FR2140700A5 FR 2140700 A5 FR2140700 A5 FR 2140700A5 FR 7035034 A FR7035034 A FR 7035034A FR 7035034 A FR7035034 A FR 7035034A FR 2140700 A5 FR2140700 A5 FR 2140700A5
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
FR7035034A
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.)
FRANKFURTER POKORNY WITT
Original Assignee
FRANKFURTER POKORNY WITT
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 FRANKFURTER POKORNY WITT filed Critical FRANKFURTER POKORNY WITT
Application granted granted Critical
Publication of FR2140700A5 publication Critical patent/FR2140700A5/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • 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
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/10—Arrangements for automatic stopping when the tool is lifted from the working face

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Automation & Control Theory (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
FR7035034A 1969-10-07 1970-09-28 Expired FR2140700A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691950508 DE1950508C3 (de) 1969-10-07 1969-10-07 Druckluftbetriebene Tieflochbohrhämmer

Publications (1)

Publication Number Publication Date
FR2140700A5 true FR2140700A5 (de) 1973-01-19

Family

ID=5747538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7035034A Expired FR2140700A5 (de) 1969-10-07 1970-09-28

Country Status (6)

Country Link
AT (1) AT296917B (de)
BE (1) BE753225A (de)
CH (1) CH524756A (de)
CS (1) CS150508B2 (de)
DE (1) DE1950508C3 (de)
FR (1) FR2140700A5 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081897A1 (de) * 1981-12-10 1983-06-22 WEAVER & HURT LIMITED Schlagbohrmaschine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789993A (fr) * 1971-10-19 1973-02-01 Boehler & Co Ag Geb Commande d'admission de fluide pour fleuret a percussion
DE2924392C2 (de) * 1979-06-16 1982-09-23 Brückner Grundbau GmbH, 4300 Essen Bohrvorrichtung zum Überlagerungsbohren
DE2924393C2 (de) * 1979-06-16 1983-06-23 Brückner Grundbau GmbH, 4300 Essen Bohrvorrichtung zum Überlagerungsbohren
DE4000691A1 (de) * 1990-01-12 1991-07-18 Fritz Zimmermann Masch U Appar Exzentrisch bohrender tiefloch-hammer
US7111695B2 (en) * 2000-12-02 2006-09-26 Tracto-Technik Gmbh Pneumatic rock-boring device and method for horizontal drilling using compressed air and drilling medium
CN107386957B (zh) * 2017-08-29 2023-05-05 吉林大学 一种活阀式无气垫高性能气动冲击器
CN114669781B (zh) * 2022-04-21 2024-01-30 深圳市速航科技发展有限公司 一种活塞轴可旋转的气动振动装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081897A1 (de) * 1981-12-10 1983-06-22 WEAVER & HURT LIMITED Schlagbohrmaschine

Also Published As

Publication number Publication date
DE1950508C3 (de) 1975-01-09
DE1950508A1 (de) 1971-04-15
BE753225A (fr) 1970-12-16
CS150508B2 (de) 1973-09-04
AT296917B (de) 1972-03-10
DE1950508B2 (de) 1974-06-06
CH524756A (de) 1972-06-30

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Legal Events

Date Code Title Description
CD Change of name or company name
CD Change of name or company name
ST Notification of lapse