WO2006047386A3 - Underground piercing tool - Google Patents

Underground piercing tool Download PDF

Info

Publication number
WO2006047386A3
WO2006047386A3 PCT/US2005/038123 US2005038123W WO2006047386A3 WO 2006047386 A3 WO2006047386 A3 WO 2006047386A3 US 2005038123 W US2005038123 W US 2005038123W WO 2006047386 A3 WO2006047386 A3 WO 2006047386A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
piercing tool
body
underground piercing
end
underground
Prior art date
Application number
PCT/US2005/038123
Other languages
French (fr)
Other versions
WO2006047386A2 (en )
Inventor
Duane Preston
Michael Grabnic
Dan Marsalek
Original Assignee
Allied Construction Products L
Duane Preston
Michael Grabnic
Dan Marsalek
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

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/14Fluid operated hammers
    • E21B4/145Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/26Drilling without earth removal, e.g. with self-propelled burrowing devices

Abstract

A pneumatically operated underground piercing tool 10 that includes an elongate cylindrical body (12) carrying an anvil (14) at one end and and a striker (16) slidably received within a chamber (25) defined by the body (12) and captured therein by an end cap (20). A valve assembly (22) controls the communication of pressurized air to and from the body (12) and is operator adjustable in order to produce forward or rearward movement of the piercing tool (10).
PCT/US2005/038123 2004-10-25 2005-10-20 Underground piercing tool WO2006047386A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US62197004 true 2004-10-25 2004-10-25
US60/621,970 2004-10-25

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20050816992 EP1809853A2 (en) 2004-10-25 2005-10-20 Underground piercing tool
CA 2585264 CA2585264A1 (en) 2004-10-25 2005-10-20 Underground piercing tool
US11732967 US7836976B2 (en) 2005-10-20 2007-04-05 Underground piercing tool

Publications (2)

Publication Number Publication Date
WO2006047386A2 true WO2006047386A2 (en) 2006-05-04
WO2006047386A3 true true WO2006047386A3 (en) 2006-08-24

Family

ID=36228318

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/038123 WO2006047386A3 (en) 2004-10-25 2005-10-20 Underground piercing tool

Country Status (3)

Country Link
EP (1) EP1809853A2 (en)
CA (1) CA2585264A1 (en)
WO (1) WO2006047386A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2468496B (en) 2009-03-10 2011-09-14 Mark Brice Percussion mole

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1861042A (en) * 1930-04-28 1932-05-31 John A Zublin Rotary bit with hammering device
US3407884A (en) * 1962-11-23 1968-10-29 Zygmunt Kazimierz Two-way ground burrowing device
US4662457A (en) * 1984-10-19 1987-05-05 Allied Steel & Tractor Products, Inc. Reversible underground piercing device
US5086848A (en) * 1990-10-19 1992-02-11 Hudak Donald M Reversible impact hole driller and method of reversing
US6467554B1 (en) * 2001-08-20 2002-10-22 The Charles Machine Works, Inc. Quick reverse mechanism for pneumatic boring tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1861042A (en) * 1930-04-28 1932-05-31 John A Zublin Rotary bit with hammering device
US3407884A (en) * 1962-11-23 1968-10-29 Zygmunt Kazimierz Two-way ground burrowing device
US4662457A (en) * 1984-10-19 1987-05-05 Allied Steel & Tractor Products, Inc. Reversible underground piercing device
US5086848A (en) * 1990-10-19 1992-02-11 Hudak Donald M Reversible impact hole driller and method of reversing
US6467554B1 (en) * 2001-08-20 2002-10-22 The Charles Machine Works, Inc. Quick reverse mechanism for pneumatic boring tool

Also Published As

Publication number Publication date Type
WO2006047386A2 (en) 2006-05-04 application
EP1809853A2 (en) 2007-07-25 application
CA2585264A1 (en) 2006-05-04 application

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