EP0978625A3 - Foreuse à percussion - Google Patents

Foreuse à percussion Download PDF

Info

Publication number
EP0978625A3
EP0978625A3 EP99115321A EP99115321A EP0978625A3 EP 0978625 A3 EP0978625 A3 EP 0978625A3 EP 99115321 A EP99115321 A EP 99115321A EP 99115321 A EP99115321 A EP 99115321A EP 0978625 A3 EP0978625 A3 EP 0978625A3
Authority
EP
European Patent Office
Prior art keywords
percussion piston
slides
central bore
outer tube
control pin
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.)
Ceased
Application number
EP99115321A
Other languages
German (de)
English (en)
Other versions
EP0978625A2 (fr
Inventor
Hans-Philipp Walter
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 EP0978625A2 publication Critical patent/EP0978625A2/fr
Publication of EP0978625A3 publication Critical patent/EP0978625A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/08—Means for driving the impulse member comprising a built-in air compressor, i.e. the tool being driven by air pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston
EP99115321A 1998-08-03 1999-08-03 Foreuse à percussion Ceased EP0978625A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29813825U 1998-08-03
DE29813825U DE29813825U1 (de) 1998-08-03 1998-08-03 Bohrhammer

Publications (2)

Publication Number Publication Date
EP0978625A2 EP0978625A2 (fr) 2000-02-09
EP0978625A3 true EP0978625A3 (fr) 2001-06-06

Family

ID=8060759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99115321A Ceased EP0978625A3 (fr) 1998-08-03 1999-08-03 Foreuse à percussion

Country Status (2)

Country Link
EP (1) EP0978625A3 (fr)
DE (1) DE29813825U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE295467T1 (de) * 2001-10-10 2005-05-15 Reginald Frederick Taylor Imlochbohrhammer
DE10352747A1 (de) * 2003-11-12 2005-06-16 Rolf Bartholet Tiefloch-Bohrhammer
DE102005015886B4 (de) * 2005-04-06 2008-06-19 Hans-Philipp Walter Bohrhammer
NO335354B1 (no) * 2013-02-18 2014-12-01 Pav Holding As Høyfrekvent væskedrevet borhammer for perkusjonsboring i harde formasjoner
CN105804657A (zh) * 2016-05-16 2016-07-27 山东天瑞重工有限公司 一种有密封结构的高风压潜孔钻头
CN115977525B (zh) * 2023-02-02 2024-04-05 重庆大学 一种正循环风动潜孔锤

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705191A1 (de) * 1976-02-09 1977-08-11 Reed Tool Co Schlagbohrwerkzeug
EP0837214A2 (fr) * 1996-10-18 1998-04-22 Hans-Philipp Walter Foreuse à percussion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705191A1 (de) * 1976-02-09 1977-08-11 Reed Tool Co Schlagbohrwerkzeug
EP0837214A2 (fr) * 1996-10-18 1998-04-22 Hans-Philipp Walter Foreuse à percussion

Also Published As

Publication number Publication date
EP0978625A2 (fr) 2000-02-09
DE29813825U1 (de) 1998-10-22

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