SE416341B - rock drill - Google Patents

rock drill

Info

Publication number
SE416341B
SE416341B SE7309814A SE7309814A SE416341B SE 416341 B SE416341 B SE 416341B SE 7309814 A SE7309814 A SE 7309814A SE 7309814 A SE7309814 A SE 7309814A SE 416341 B SE416341 B SE 416341B
Authority
SE
Sweden
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
SE7309814A
Other languages
Swedish (sv)
Inventor
M Motokura
Original Assignee
Komatsu Mfg Co Ltd
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 JP6988872A external-priority patent/JPS5315441B2/ja
Priority claimed from JP6988672A external-priority patent/JPS5315002B2/ja
Priority claimed from JP8298972U external-priority patent/JPS4939801U/ja
Application filed by Komatsu Mfg Co Ltd filed Critical Komatsu Mfg Co Ltd
Publication of SE416341B publication Critical patent/SE416341B/en

Links

Classifications

    • 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
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S173/00—Tool driving or impacting
    • Y10S173/04—Liquid operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological 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)
SE7309814A 1972-07-14 1973-07-12 rock drill SE416341B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6988872A JPS5315441B2 (en) 1972-07-14 1972-07-14
JP6988672A JPS5315002B2 (en) 1972-07-14 1972-07-14
JP8298972U JPS4939801U (en) 1972-07-14 1972-07-14

Publications (1)

Publication Number Publication Date
SE416341B true SE416341B (en) 1980-12-15

Family

ID=27300169

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7309814A SE416341B (en) 1972-07-14 1973-07-12 rock drill

Country Status (3)

Country Link
US (1) US3866694A (en)
AU (1) AU472838B2 (en)
SE (1) SE416341B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778605A (en) * 1953-06-30 1957-01-22 Thor Power Tool Co Rock drill
US3490549A (en) * 1968-08-13 1970-01-20 Westinghouse Air Brake Co Hydraulic percussive drill
US3666024A (en) * 1970-07-29 1972-05-30 Richard W Beaumont Rock drill
US3701386A (en) * 1970-12-11 1972-10-31 Dresser Ind Hydraulic drifter

Also Published As

Publication number Publication date
US3866694A (en) 1975-02-18
AU472838B2 (en) 1976-06-03
AU5801673A (en) 1975-01-16

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