DE29813825U1 - Rotary Hammer - Google Patents

Rotary Hammer

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
rotary hammer
hammer
rotary
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
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06Means for driving the impulse member
    • B25D9/08Means for driving the impulse member comprising a built-in air compressor, i.e. the tool being driven by air pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/16Valve arrangements therefor
    • B25D9/20Valve arrangements therefor involving a tubular-type slide valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D2209/00Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005Details 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 Rotary Hammer Expired - Lifetime DE29813825U1 (en)

Priority Applications (1)

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

Applications Claiming Priority (2)

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

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040245021A1 (en) * 2001-10-10 2004-12-09 Taylor Reginald Frederick Down-the-hole drill hammer
NO335354B1 (en) * 2013-02-18 2014-12-01 Pav Holding As High Frequency liquid driven hammer drill for percussion drilling 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

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 Rotary Hammer

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