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 (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.)
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 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7201755841A SU479390A1 (en) 1972-03-10 1972-03-10 Immersible hydraulic percussion device

Publications (2)

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

Family

ID=20505505

Family Applications (1)

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

Country Status (7)

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

Citations (3)

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

Also Published As

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

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Legal Events

Date Code Title Description
ST Notification of lapse