DE29813825U1 - Hammer drill - Google Patents

Hammer drill

Info

Publication number
DE29813825U1
DE29813825U1 DE29813825U DE29813825U DE29813825U1 DE 29813825 U1 DE29813825 U1 DE 29813825U1 DE 29813825 U DE29813825 U DE 29813825U DE 29813825 U DE29813825 U DE 29813825U DE 29813825 U1 DE29813825 U1 DE 29813825U1
Authority
DE
Germany
Prior art keywords
hammer drill
hammer
drill
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 - Lifetime
Application number
DE29813825U
Other languages
German (de)
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.)
WALTER HANS-PHILIPP 74251 LEHRENSTEINSFELD DE
Original Assignee
WALTER HANS-PHILIPP 74251 LEHRENSTEINSFELD DE
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 WALTER HANS-PHILIPP 74251 LEHRENSTEINSFELD DE filed Critical WALTER HANS-PHILIPP 74251 LEHRENSTEINSFELD DE
Priority to DE29813825U priority Critical patent/DE29813825U1/en
Publication of DE29813825U1 publication Critical patent/DE29813825U1/en
Priority to EP99115321A priority patent/EP0978625A3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE29813825U 1998-08-03 1998-08-03 Hammer drill Expired - Lifetime DE29813825U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29813825U DE29813825U1 (en) 1998-08-03 1998-08-03 Hammer drill
EP99115321A EP0978625A3 (en) 1998-08-03 1999-08-03 Percussive drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29813825U DE29813825U1 (en) 1998-08-03 1998-08-03 Hammer drill

Publications (1)

Publication Number Publication Date
DE29813825U1 true DE29813825U1 (en) 1998-10-22

Family

ID=8060759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29813825U Expired - Lifetime DE29813825U1 (en) 1998-08-03 1998-08-03 Hammer drill

Country Status (2)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10352747A1 (en) * 2003-11-12 2005-06-16 Rolf Bartholet Percussion drill for drilling deep bore has cylinder with two sets of control apertures inside outer casing and has pressure air reservoir and striker piston with valve system
DE102005015886A1 (en) * 2005-04-06 2006-10-26 Hans-Philipp Walter Hammer drill, comprising special arrangement of differential piston and control element

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE295467T1 (en) * 2001-10-10 2005-05-15 Reginald Frederick Taylor THROUGH-HOLE DRILL HAMMER
NO335354B1 (en) * 2013-02-18 2014-12-01 Pav Holding As High frequency liquid driven drill hammer for percussion drilling in hard formations
CN105804657A (en) * 2016-05-16 2016-07-27 山东天瑞重工有限公司 High-air-pressure down-the-hole drill bit with sealing structure
CN115977525B (en) * 2023-02-02 2024-04-05 重庆大学 Positive circulation pneumatic down-the-hole hammer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054180A (en) * 1976-02-09 1977-10-18 Reed Tool Company Impact drilling tool having a shuttle valve
DE29618066U1 (en) * 1996-10-18 1996-12-19 Walter Hans Philipp Hammer drill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10352747A1 (en) * 2003-11-12 2005-06-16 Rolf Bartholet Percussion drill for drilling deep bore has cylinder with two sets of control apertures inside outer casing and has pressure air reservoir and striker piston with valve system
DE102005015886A1 (en) * 2005-04-06 2006-10-26 Hans-Philipp Walter Hammer drill, comprising special arrangement of differential piston and control element
DE102005015886B4 (en) * 2005-04-06 2008-06-19 Hans-Philipp Walter Rotary Hammer

Also Published As

Publication number Publication date
EP0978625A2 (en) 2000-02-09
EP0978625A3 (en) 2001-06-06

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19981203

R156 Lapse of ip right after 3 years

Effective date: 20020501