AU3907772A - Rock drill hammer - Google Patents

Rock drill hammer

Info

Publication number
AU3907772A
AU3907772A AU39077/72A AU3907772A AU3907772A AU 3907772 A AU3907772 A AU 3907772A AU 39077/72 A AU39077/72 A AU 39077/72A AU 3907772 A AU3907772 A AU 3907772A AU 3907772 A AU3907772 A AU 3907772A
Authority
AU
Australia
Prior art keywords
rock drill
drill hammer
hammer
rock
drill
Prior art date
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
AU39077/72A
Inventor
ESKO JUVONEN and KIMMO OLAVI LAINE VAINO
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.)
Tampella Oy AB
Original Assignee
Tampella Oy AB
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 Tampella Oy AB filed Critical Tampella Oy AB
Publication of AU3907772A publication Critical patent/AU3907772A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/26—Lubricating
    • B25D17/265—Lubricating the lubricant being entrained to the machine parts by the driving fluid
    • 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
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
AU39077/72A 1971-02-19 1972-02-17 Rock drill hammer Expired AU3907772A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FIFI492/71 1971-02-19
FI710492A FI45375C (en) 1971-02-19 1971-02-19 Rock drilling rig.

Publications (1)

Publication Number Publication Date
AU3907772A true AU3907772A (en) 1973-08-23

Family

ID=8504197

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39077/72A Expired AU3907772A (en) 1971-02-19 1972-02-17 Rock drill hammer

Country Status (4)

Country Link
AU (1) AU3907772A (en)
DE (1) DE2205547A1 (en)
FI (1) FI45375C (en)
SE (1) SE387699B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934452C2 (en) * 1979-08-25 1986-10-02 Paul 5940 Lennestadt Schmidt Method and device for operating a self-propelled pneumatic ram boring machine

Also Published As

Publication number Publication date
FI45375C (en) 1972-05-10
SE387699B (en) 1976-09-13
DE2205547A1 (en) 1972-08-31
FI45375B (en) 1972-01-31

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