GB2076719B - Valveless pneumatic hammer - Google Patents

Valveless pneumatic hammer

Info

Publication number
GB2076719B
GB2076719B GB8115184A GB8115184A GB2076719B GB 2076719 B GB2076719 B GB 2076719B GB 8115184 A GB8115184 A GB 8115184A GB 8115184 A GB8115184 A GB 8115184A GB 2076719 B GB2076719 B GB 2076719B
Authority
GB
United Kingdom
Prior art keywords
pneumatic hammer
valveless pneumatic
valveless
hammer
pneumatic
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
GB8115184A
Other versions
GB2076719A (en
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
Publication of GB2076719A publication Critical patent/GB2076719A/en
Application granted granted Critical
Publication of GB2076719B publication Critical patent/GB2076719B/en
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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB8115184A 1980-05-16 1981-05-18 Valveless pneumatic hammer Expired GB2076719B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA802907 1980-05-16

Publications (2)

Publication Number Publication Date
GB2076719A GB2076719A (en) 1981-12-09
GB2076719B true GB2076719B (en) 1983-04-07

Family

ID=25574705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115184A Expired GB2076719B (en) 1980-05-16 1981-05-18 Valveless pneumatic hammer

Country Status (5)

Country Link
AU (1) AU542882B2 (en)
CA (1) CA1151028A (en)
DE (1) DE3119760C2 (en)
GB (1) GB2076719B (en)
SE (1) SE447666B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA863192B (en) * 1986-04-29 1986-12-30 Abraham Gien Improvement in valveless pneumatic hammer
SE8501698L (en) * 1985-04-04 1986-10-05 Santrade Ltd DRILL BIT
KR960001663Y1 (en) * 1993-06-01 1996-02-22 유영생 A drill water supply equipment
US6502650B1 (en) * 2000-11-15 2003-01-07 Sandvik Ab Percussive down-the-hole hammer for rock drilling, and a drill bit used therein

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311177A (en) * 1966-08-03 1967-03-28 Mission Mfg Co Percussion drilling tool
US3964551A (en) * 1974-09-20 1976-06-22 Reed Tool Company Pneumatic impact drilling tool
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

Also Published As

Publication number Publication date
SE8103065L (en) 1981-11-17
SE447666B (en) 1986-12-01
AU542882B2 (en) 1985-03-21
GB2076719A (en) 1981-12-09
DE3119760A1 (en) 1982-05-27
DE3119760C2 (en) 1985-04-25
AU7066581A (en) 1981-11-19
CA1151028A (en) 1983-08-02

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010517