FI751769A - - Google Patents

Info

Publication number
FI751769A
FI751769A FI751769A FI751769A FI751769A FI 751769 A FI751769 A FI 751769A FI 751769 A FI751769 A FI 751769A FI 751769 A FI751769 A FI 751769A FI 751769 A FI751769 A FI 751769A
Authority
FI
Finland
Application number
FI751769A
Other languages
Finnish (fi)
Other versions
FI63469C (en
FI63469B (en
Inventor
Anatoly Mikhailovich Petreev
Anatoly Alexeevich Lipin
Vladimir Davydovich Rabko
Gennady Ilich Suxov
Vladimir Ivanovich Kunegin
Alexandr Safronovich Kurdjukov
Original Assignee
Inst Gornogo Dela Sibirskogo O
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
Priority claimed from SU2034933A external-priority patent/SU554402A2/en
Priority claimed from SU2034935A external-priority patent/SU554403A2/en
Priority claimed from SU7502108880A external-priority patent/SU563490A2/en
Application filed by Inst Gornogo Dela Sibirskogo O filed Critical Inst Gornogo Dela Sibirskogo O
Publication of FI751769A publication Critical patent/FI751769A/fi
Application granted granted Critical
Publication of FI63469B publication Critical patent/FI63469B/en
Publication of FI63469C publication Critical patent/FI63469C/en

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
    • E21B1/00—Percussion drilling
    • E21B1/38—Hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Drilling And Boring (AREA)
FI751769A 1974-06-13 1975-06-13 BERGBORR MED DUBBELKOLV FI63469C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
SU2034933A SU554402A2 (en) 1974-06-13 1974-06-13 Double piston hammer drill
SU2034935 1974-06-13
SU2034935A SU554403A2 (en) 1974-06-13 1974-06-13 Double piston hammer drill
SU2034933 1974-06-13
SU2108880 1975-02-19
SU7502108880A SU563490A2 (en) 1975-02-19 1975-02-19 Two-piston perforator

Publications (3)

Publication Number Publication Date
FI751769A true FI751769A (en) 1975-12-14
FI63469B FI63469B (en) 1983-02-28
FI63469C FI63469C (en) 1983-06-10

Family

ID=27356275

Family Applications (1)

Application Number Title Priority Date Filing Date
FI751769A FI63469C (en) 1974-06-13 1975-06-13 BERGBORR MED DUBBELKOLV

Country Status (4)

Country Link
JP (1) JPS51151201A (en)
DE (1) DE2526511C3 (en)
FI (1) FI63469C (en)
SE (1) SE410209B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7464635B2 (en) 2001-11-07 2008-12-16 Sandvik Mining And Construction Oy Percussion device with a control valve for two alternately striking pistons

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8207351L (en) * 1982-12-22 1984-06-23 Peter Johan Torsten Tornqvist SET AND DEVICE TO BALANCE A FRONT AND RETURN MOVEMENT
FI78158C (en) * 1986-05-09 1989-06-12 Tampella Oy Ab ANORDING VID EN BORRMASKIN FOER LAGRING AV ETT ROTATIONSSTYCKE.
DE3910515A1 (en) * 1989-04-01 1990-10-04 Tracto Technik SELF-DRIVABLE RAMM DRILLING DEVICE, ESPECIALLY FOR THE PRODUCTION OF TUBULAR EARTH HOLES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7464635B2 (en) 2001-11-07 2008-12-16 Sandvik Mining And Construction Oy Percussion device with a control valve for two alternately striking pistons

Also Published As

Publication number Publication date
JPS559997B2 (en) 1980-03-13
SE7506740L (en) 1975-12-15
DE2526511C3 (en) 1980-06-04
FI63469C (en) 1983-06-10
DE2526511B2 (en) 1979-09-20
JPS51151201A (en) 1976-12-25
FI63469B (en) 1983-02-28
SE410209B (en) 1979-10-01
DE2526511A1 (en) 1975-12-18

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: INSTITUT GORNOGO DELA SIBIRSKOGO