DE3169555D1 - Fluid operated hammer - Google Patents

Fluid operated hammer

Info

Publication number
DE3169555D1
DE3169555D1 DE8181304169T DE3169555T DE3169555D1 DE 3169555 D1 DE3169555 D1 DE 3169555D1 DE 8181304169 T DE8181304169 T DE 8181304169T DE 3169555 T DE3169555 T DE 3169555T DE 3169555 D1 DE3169555 D1 DE 3169555D1
Authority
DE
Germany
Prior art keywords
fluid operated
operated hammer
hammer
fluid
operated
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
DE8181304169T
Other languages
German (de)
English (en)
Inventor
Ian Graeme Rear
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3169555D1 publication Critical patent/DE3169555D1/de
Expired legal-status Critical Current

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)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
DE8181304169T 1980-09-11 1981-09-11 Fluid operated hammer Expired DE3169555D1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3169555D1 true DE3169555D1 (en) 1985-05-02

Family

ID=3768698

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181304169T Expired DE3169555D1 (en) 1980-09-11 1981-09-11 Fluid operated hammer

Country Status (3)

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

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
ATE18082T1 (de) * 1982-07-23 1986-03-15 Weaver & Hurt Ltd Gesteinbohrmaschine.
AU676610B2 (en) * 1993-09-20 1997-03-13 Ian Graeme Rear Make up system of a down-the-hole hammer
WO1995008690A1 (fr) * 1993-09-20 1995-03-30 Ian Graeme Rear Systeme annexe d'une perforatrice fond de trou
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
EP0048142A1 (fr) 1982-03-24
ZA816261B (en) 1982-09-29
EP0048142B1 (fr) 1985-03-27

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee