AU6579786A - Air driven impact operated ground piercing tool - Google Patents

Air driven impact operated ground piercing tool

Info

Publication number
AU6579786A
AU6579786A AU65797/86A AU6579786A AU6579786A AU 6579786 A AU6579786 A AU 6579786A AU 65797/86 A AU65797/86 A AU 65797/86A AU 6579786 A AU6579786 A AU 6579786A AU 6579786 A AU6579786 A AU 6579786A
Authority
AU
Australia
Prior art keywords
air driven
piercing tool
driven impact
ground piercing
operated ground
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.)
Granted
Application number
AU65797/86A
Other versions
AU600920B2 (en
Inventor
Ronald L. Macfarlane
Dirk A. Wilson
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.)
PIERCE AIRROW INTERNATIONAL Inc
Original Assignee
PIERCE AIRROW INTERNATIONAL IN
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 PIERCE AIRROW INTERNATIONAL IN filed Critical PIERCE AIRROW INTERNATIONAL IN
Publication of AU6579786A publication Critical patent/AU6579786A/en
Application granted granted Critical
Publication of AU600920B2 publication Critical patent/AU600920B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

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)
AU65797/86A 1985-11-27 1986-11-26 Air driven impact operated ground piercing tool Ceased AU600920B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80260085A 1985-11-27 1985-11-27
US802600 1991-12-05

Publications (2)

Publication Number Publication Date
AU6579786A true AU6579786A (en) 1987-06-04
AU600920B2 AU600920B2 (en) 1990-08-30

Family

ID=25184181

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65797/86A Ceased AU600920B2 (en) 1985-11-27 1986-11-26 Air driven impact operated ground piercing tool

Country Status (4)

Country Link
EP (1) EP0224859B1 (en)
AU (1) AU600920B2 (en)
DE (1) DE3668938D1 (en)
ZA (1) ZA868907B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0462821A3 (en) * 1990-06-20 1993-01-27 Allied Steel & Tractor Products, Inc. Swivel assembly for a pneumatic underground piercing tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410354A (en) * 1966-09-16 1968-11-12 Boris Vasilievich Sudnishnikov Impact device for driving horizontal holes in soft ground
US3756328B1 (en) * 1970-01-19 1991-01-29 Pneumatically operated impact-action self-propelled mechanism
US4144941A (en) * 1977-09-30 1979-03-20 Ritter Lester L Directional impact tool for tunneling
US4609052A (en) * 1984-11-29 1986-09-02 Lewin Stephen S Pneumatically operated burrowing tool

Also Published As

Publication number Publication date
EP0224859A1 (en) 1987-06-10
AU600920B2 (en) 1990-08-30
EP0224859B1 (en) 1990-02-07
ZA868907B (en) 1987-08-26
DE3668938D1 (en) 1990-03-15

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