ZA816261B - Fluid operated hammer - Google Patents

Fluid operated hammer

Info

Publication number
ZA816261B
ZA816261B ZA816261A ZA816261A ZA816261B ZA 816261 B ZA816261 B ZA 816261B ZA 816261 A ZA816261 A ZA 816261A ZA 816261 A ZA816261 A ZA 816261A ZA 816261 B ZA816261 B ZA 816261B
Authority
ZA
South Africa
Prior art keywords
fluid operated
operated hammer
hammer
fluid
operated
Prior art date
Application number
ZA816261A
Inventor
Ian Graeme Rear
Original Assignee
Ian Graeme Rear
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 Ian Graeme Rear filed Critical Ian Graeme Rear
Publication of ZA816261B publication Critical patent/ZA816261B/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
    • 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)
ZA816261A 1980-09-11 1981-09-10 Fluid operated hammer ZA816261B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPE553480 1980-09-11

Publications (1)

Publication Number Publication Date
ZA816261B true ZA816261B (en) 1982-09-29

Family

ID=3768698

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA816261A ZA816261B (en) 1980-09-11 1981-09-10 Fluid operated hammer

Country Status (3)

Country Link
EP (1) EP0048142B1 (en)
DE (1) DE3169555D1 (en)
ZA (1) ZA816261B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU9176182A (en) * 1982-01-04 1983-07-14 Rear, I.G. Fluid operated hammer
EP0099594B1 (en) * 1982-07-23 1986-02-19 WEAVER & HURT LIMITED Rock drills
US5722495A (en) * 1993-09-20 1998-03-03 Rear; Ian Graeme Make up system of a down-the-hole hammer
AU676610B2 (en) * 1993-09-20 1997-03-13 Ian Graeme Rear Make up system of a down-the-hole hammer
US7353890B2 (en) 2006-01-09 2008-04-08 Sandvik Intellectual Property Ab Down-the-hole hammer and components for a down-the-hole hammer, and a method of assembling a down-the-hole hammer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804181A (en) * 1972-03-29 1974-04-16 Baker Oil Tools Inc Bore hole for hammer drive mechanism
US3944003A (en) * 1972-04-24 1976-03-16 Bakerdrill, Inc. Bore hole air hammer
US4015670A (en) * 1974-09-06 1977-04-05 Ian Graeme Rear Fluid operated hammer
US4030554A (en) * 1975-07-07 1977-06-21 Bakerdrill, Inc. Bore hole airhammer and anvil bit
US4084647A (en) * 1976-07-01 1978-04-18 William Lister Pneumatic percussion hammer
GB1552975A (en) * 1976-12-07 1979-09-19 Atlas Copco Ab Drills

Also Published As

Publication number Publication date
EP0048142B1 (en) 1985-03-27
EP0048142A1 (en) 1982-03-24
DE3169555D1 (en) 1985-05-02

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