CA1151028A - Valveless pneumatic hammer - Google Patents

Valveless pneumatic hammer

Info

Publication number
CA1151028A
CA1151028A CA000377811A CA377811A CA1151028A CA 1151028 A CA1151028 A CA 1151028A CA 000377811 A CA000377811 A CA 000377811A CA 377811 A CA377811 A CA 377811A CA 1151028 A CA1151028 A CA 1151028A
Authority
CA
Canada
Prior art keywords
piston
casing
chamber
bore
divider
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
CA000377811A
Other languages
English (en)
French (fr)
Inventor
Abraham Gien
Bernard L. Gien
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 CA1151028A publication Critical patent/CA1151028A/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)
CA000377811A 1980-05-16 1981-05-19 Valveless pneumatic hammer Expired CA1151028A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA80/2907 1980-05-16
ZA802907 1980-05-16

Publications (1)

Publication Number Publication Date
CA1151028A true CA1151028A (en) 1983-08-02

Family

ID=25574705

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000377811A Expired CA1151028A (en) 1980-05-16 1981-05-19 Valveless pneumatic hammer

Country Status (5)

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

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 (sv) * 1985-04-04 1986-10-05 Santrade Ltd Borrkrona
KR960001663Y1 (ko) * 1993-06-01 1996-02-22 유영생 지하천공기의 물공급장치
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
GB2076719B (en) 1983-04-07
AU7066581A (en) 1981-11-19
DE3119760A1 (de) 1982-05-27
DE3119760C2 (de) 1985-04-25
GB2076719A (en) 1981-12-09
SE447666B (sv) 1986-12-01
AU542882B2 (en) 1985-03-21
SE8103065L (sv) 1981-11-17

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Legal Events

Date Code Title Description
MKEX Expiry