IE56735B1 - Improvements in or relating to percussive drills - Google Patents

Improvements in or relating to percussive drills

Info

Publication number
IE56735B1
IE56735B1 IE176685A IE176685A IE56735B1 IE 56735 B1 IE56735 B1 IE 56735B1 IE 176685 A IE176685 A IE 176685A IE 176685 A IE176685 A IE 176685A IE 56735 B1 IE56735 B1 IE 56735B1
Authority
IE
Ireland
Prior art keywords
relating
percussive drills
percussive
drills
Prior art date
Application number
IE176685A
Other languages
English (en)
Other versions
IE851766L (en
Original Assignee
Minroc Technical Promotions Li
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 Minroc Technical Promotions Li filed Critical Minroc Technical Promotions Li
Priority to IE176685A priority Critical patent/IE56735B1/xx
Priority to BE0/215447A priority patent/BE903033A/fr
Publication of IE851766L publication Critical patent/IE851766L/xx
Publication of IE56735B1 publication Critical patent/IE56735B1/xx

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)
IE176685A 1985-07-15 1985-07-15 Improvements in or relating to percussive drills IE56735B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IE176685A IE56735B1 (en) 1985-07-15 1985-07-15 Improvements in or relating to percussive drills
BE0/215447A BE903033A (fr) 1985-07-15 1985-08-08 Perfectionnements apportes a un dispositif de forage a percussions.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE176685A IE56735B1 (en) 1985-07-15 1985-07-15 Improvements in or relating to percussive drills

Publications (2)

Publication Number Publication Date
IE851766L IE851766L (en) 1987-01-15
IE56735B1 true IE56735B1 (en) 1991-11-20

Family

ID=11030784

Family Applications (1)

Application Number Title Priority Date Filing Date
IE176685A IE56735B1 (en) 1985-07-15 1985-07-15 Improvements in or relating to percussive drills

Country Status (2)

Country Link
BE (1) BE903033A (fr)
IE (1) IE56735B1 (fr)

Also Published As

Publication number Publication date
BE903033A (fr) 1985-12-02
IE851766L (en) 1987-01-15

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