FR2175867A1 - - Google Patents

Info

Publication number
FR2175867A1
FR2175867A1 FR7308556A FR7308556A FR2175867A1 FR 2175867 A1 FR2175867 A1 FR 2175867A1 FR 7308556 A FR7308556 A FR 7308556A FR 7308556 A FR7308556 A FR 7308556A FR 2175867 A1 FR2175867 A1 FR 2175867A1
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.)
Granted
Application number
FR7308556A
Other languages
French (fr)
Other versions
FR2175867B1 (enrdf_load_html_response
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.)
SPETSLALNOE K
Original Assignee
SPETSLALNOE K
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 SPETSLALNOE K filed Critical SPETSLALNOE K
Publication of FR2175867A1 publication Critical patent/FR2175867A1/fr
Application granted granted Critical
Publication of FR2175867B1 publication Critical patent/FR2175867B1/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

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)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
FR7308556A 1972-03-10 1973-03-09 Expired FR2175867B1 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7201755841A SU479390A1 (ru) 1972-03-10 1972-03-10 Погружное гидроударное устройство

Publications (2)

Publication Number Publication Date
FR2175867A1 true FR2175867A1 (enrdf_load_html_response) 1973-10-26
FR2175867B1 FR2175867B1 (enrdf_load_html_response) 1976-11-05

Family

ID=20505505

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308556A Expired FR2175867B1 (enrdf_load_html_response) 1972-03-10 1973-03-09

Country Status (7)

Country Link
US (1) US3848681A (enrdf_load_html_response)
CA (1) CA978053A (enrdf_load_html_response)
DD (1) DD102768A1 (enrdf_load_html_response)
DE (1) DE2311008C3 (enrdf_load_html_response)
FR (1) FR2175867B1 (enrdf_load_html_response)
GB (1) GB1402082A (enrdf_load_html_response)
SU (1) SU479390A1 (enrdf_load_html_response)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE277428C (enrdf_load_html_response) *
DE137430C (enrdf_load_html_response) *
US2108946A (en) * 1933-09-23 1938-02-22 Seifer Theo Hydraulic boring mechanism

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756966A (en) * 1954-07-23 1956-07-31 Bassinger Ross Fluid actuated impact tool
US3744576A (en) * 1971-02-03 1973-07-10 B Sudnishnikov Reversible percussion device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE277428C (enrdf_load_html_response) *
DE137430C (enrdf_load_html_response) *
US2108946A (en) * 1933-09-23 1938-02-22 Seifer Theo Hydraulic boring mechanism

Also Published As

Publication number Publication date
GB1402082A (en) 1975-08-06
DE2311008A1 (de) 1973-10-31
US3848681A (en) 1974-11-19
FR2175867B1 (enrdf_load_html_response) 1976-11-05
DD102768A1 (enrdf_load_html_response) 1973-12-20
DE2311008C3 (de) 1975-09-25
CA978053A (en) 1975-11-18
DE2311008B2 (de) 1975-02-13
SU479390A1 (ru) 1977-11-25

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Legal Events

Date Code Title Description
ST Notification of lapse