FR2433395B1 - - Google Patents

Info

Publication number
FR2433395B1
FR2433395B1 FR7823903A FR7823903A FR2433395B1 FR 2433395 B1 FR2433395 B1 FR 2433395B1 FR 7823903 A FR7823903 A FR 7823903A FR 7823903 A FR7823903 A FR 7823903A FR 2433395 B1 FR2433395 B1 FR 2433395B1
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
FR7823903A
Other languages
French (fr)
Other versions
FR2433395A1 (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.)
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Original Assignee
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
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 Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR filed Critical Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Publication of FR2433395A1 publication Critical patent/FR2433395A1/en
Application granted granted Critical
Publication of FR2433395B1 publication Critical patent/FR2433395B1/fr
Granted 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
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
FR7823903A 1978-06-17 1978-08-16 PERCUSSION PNEUMATIC DEVICE Granted FR2433395A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7827195A GB2026572A (en) 1978-06-17 1978-06-17 Pneumatic percussion tool

Publications (2)

Publication Number Publication Date
FR2433395A1 FR2433395A1 (en) 1980-03-14
FR2433395B1 true FR2433395B1 (en) 1981-02-06

Family

ID=10498014

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823903A Granted FR2433395A1 (en) 1978-06-17 1978-08-16 PERCUSSION PNEUMATIC DEVICE

Country Status (4)

Country Link
AT (1) AT353185B (en)
DE (1) DE2825732A1 (en)
FR (1) FR2433395A1 (en)
GB (1) GB2026572A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008219A1 (en) * 1980-03-04 1981-09-17 Gustav Dr.-Ing. 4300 Essen Jenne Small compressed air driven pile-driver - has clamp on base plate hammered by piston with narrow accelerating cross=section
DE4003189A1 (en) * 1990-02-03 1991-08-08 Roemer Helmuth RAMM DEVICE
DE19508542A1 (en) * 1995-03-10 1996-09-12 Tracto Technik Impact device
RU208325U1 (en) * 2021-06-24 2021-12-14 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук (ИГД СО РАН) Impact device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE156600C (en) *
GB274418A (en) * 1926-07-15 1927-08-04 Ingersoll Rand Co Improvement in pneumatic coal picks
AT334831B (en) * 1975-07-08 1976-02-10 Inst Gornogo Dela Sibirskogo O REVERSIBLE COMPRESSED AIR IMPACT DEVICE FOR THE FORMATION OF DRILLING HOLES IN THE SOIL BY COMPRESSING THE DESSELS
SU655824A1 (en) * 1976-07-07 1979-04-05 Институт Горного Дела Со Ан Ссср Pneumatic percussion device for drilling boreholes

Also Published As

Publication number Publication date
DE2825732A1 (en) 1979-12-13
GB2026572A (en) 1980-02-06
FR2433395A1 (en) 1980-03-14
AT353185B (en) 1979-10-25

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Legal Events

Date Code Title Description
ST Notification of lapse