EP1549819A1 - A down-the hole hammer - Google Patents
A down-the hole hammerInfo
- Publication number
- EP1549819A1 EP1549819A1 EP03755670A EP03755670A EP1549819A1 EP 1549819 A1 EP1549819 A1 EP 1549819A1 EP 03755670 A EP03755670 A EP 03755670A EP 03755670 A EP03755670 A EP 03755670A EP 1549819 A1 EP1549819 A1 EP 1549819A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner cylinder
- distributor
- wear sleeve
- air
- tool
- 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
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
Definitions
- the present invention relates to "down-the-hole" hammers or fluid-operated percussion drill tools operated by a supply of compressed air.
- Some designs of conventional down-the-hole hammers and fluid-operated percussion drill tools comprise an external cylinder or outer wear sleeve, within which is mounted an inner cylinder which in turn engages with a backhead assembly.
- a sliding reciprocating piston co-operates with the inner cylinder and backhead assembly, which when air pressure is supplied through the backhead assembly, acts with a percussive effect on a drill bit retained within a chuck on the outer wear sleeve.
- the inner cylinder is effectively suspended within the outer wear sleeve by means of a compressible retaining ring, such as a circlip, which has to be slid up the inner cylinder so as to seat against a shoulder or lip at one end thereof, being compressed when the inner cylinder is dropped down within the outer wear sleeve, and then expanding outwardly into a groove or shoulder formed on the inner diameter of the outer wear sleeve with a snap action.
- a compressible retaining ring such as a circlip
- EP1004744A discloses a segmented ring mounting for retaining the inner cylinder within the outer wear sleeve in a fluid-operated percussion drill tool, such as a down-the-hole hammer.
- the retaining ring seats the smaller diameter inner cylinder within the larger diameter outer wear sleeve.
- the outer wear sleeve is formed with a groove cut on its inside diameter, or a shoulder for seating the retaining ring against a lip of the inner cylinder.
- the ring is capable of radial compression and expansion so as to expand radially into the seating groove or shoulder for retaining the components one within the other in use.
- the retaining ring comprises at least three segments, which when touching end to end form a complete circle, and an expansible O-ring, for holding the segments together but allowing the segments to expand radially and move apart by sufficient amount so as to seat the segments in the groove or against the shoulder.
- the inner cylinder of EP1004744A is integral to the porting of the hammer.
- the piston runs on the inner diameter of the inner cylinder and also on the inner diameter of the outer wear sleeve. It is essential that the fit between the outer diameter of the inner cylinder and the bore of the outer wear sleeve be a tight/close fit to ensure optimum alignment of the two bores. This means that the clearance and hence the efficiency of the hammer is optimised because the operation of the hammer relies on a partial seal between the piston and the top and bottom chambers, i.e. the tighter the clearance the greater the energy (within reason).
- EP1004744A effective operation relies on a difference in wear sleeve bore diameter above and below the seating ring groove. This means the usable diameter for the piston, and thus the energy, is reduced. This is because the inner diameter of the wear sleeve above the seating ring has to be larger than below to ensure that the seating ring is located in position. This results in an effective reduction in the cross-sectional diameter of the piston, which reduces the force on the piston.
- Other manufacturers have in the past made the inner cylinder as part of a threaded component which screws into the outer wear sleeve. The disadvantage of this is that the hammer wears externally and in many cases it is rebuilt by replacing all external components. This would obviously be extremely expensive in the above scenario.
- the inner cylinder is mounted within the outer wear sleeve by means of a compressible retaining ring, such as a circlip, which is expanded outwardly to seat into the groove or shoulder formed on the inner diameter of the outer wear sleeve.
- a compressible retaining ring such as a circlip
- the outer wear sleeve of down-the-hole hammers is subject to very strong abrasive forces when in use causing significant wear of, and removal of metal from, the outer sleeve. This weakens the outer wear sleeve to the point where it has to be replaced.
- the prior art hammers described the provision of circumferential seating grooves for circlips, seating rings and the like, in the inner face of the wear sleeve reduce the wear thickness of the outer sleeve. This means that the outer wear sleeve has to be replaced more quickly than would be the case if the wear sleeve contained no more grooves.
- the invention provides a fluid-operated percussion drill tool, in particular a down-the-hole hammer, comprising an external cylindrical outer wear sleeve, an inner cylinder mounted co-axially within the outer wear sleeve, a sliding piston mounted for reciprocating movement within the inner cylinder and the outer wear sleeve, to strike a hammer bit mounted at the lower end of the outer wear sleeve, characterised in that the inner cylinder is formed with an inwardly-directed abutment which in the assembled tool is clamped between a complementary engagement means and a locking means such that the inner cylinder is rigidly mounted and held in the drill tool assembly relative to the outer wear sleeve.
- an elongate cylindrical air distributor is positioned within the hammer assembly, and a lower end of the air distributor is positioned substantially concentrically within the upper end of the inner cylinder and an abutment on the air distributor engages the underside of a complementary abutment on the inner cylinder.
- the top end of the outer wear sleeve is screw-threadably engaged with the lower end of an annular air distributor mount, and the top end of the inner cylinder abuts the lower end of the distributor mount such that the inner cylinder is rigidly mounted in the drill assembly relative to the outer wear sleeve when a top locking member is threadably mounted onto the air distributor.
- the air distributor is threadably engaged at its upper end with a top locking member which abuts the top of the air distributor mount.
- the inner cylinder is rigidly held relative to the outer wear sleeve.
- a mounting groove for the inner cylinder within the outer wear sleeve which can be a weak point in the assembly.
- Figure 1 is a sectional side elevation of a first embodiment of a down-the-hole hammer of the invention, showing the piston in the strike position;
- Figure 2 is a sectional side elevation of the down-the-hole hammer of Figure 1, showing the piston in the top of stroke position;
- Figure 3 is a sectional side elevation of the top part of the hammer of Figure 1 to a larger scale;
- Figure 4 is a sectional side elevation, to an enlarged scale, showing a detail of Figure 3;
- Figure 5 is a cross-sectional plan view of the down-the-hole hammer of Figure 1, on the line C-C of Figure 3;
- Figure 6 is a cross-sectional plan view of the down-the-hole hammer of Figure 1, on the line B-B of Figure 3;
- Figure 7 is a cross-sectional plan view of the down-the-hole hammer of Figure 1, on the line D-D of Figure 3;
- Figure 8 is a cross-sectional plan view of the down-the-hole hammer of Figure 1, on the line E-E of Figure 3;
- Figure 9 is a cross-sectional plan view of the down-the-hole hammer of Figure 1, on the line F-F of Figure 3;
- Figure 10 is a sectional side elevation of a second embodiment of a down-the hole hammer of the invention, showing the piston in the strike position;
- Figure 11 is sectional side elevation of the top part of the hammer of Figure 10 to a larger scale.
- a first embodiment of a down-the- hole hammer of the invention comprises an external cylindrical outer wear sleeve 10.
- An inner cylinder 9 is mounted co-axially within the outer wear sleeve 10.
- a sliding piston 11 is mounted for reciprocating movement within the inner cylinder 9 and the outer wear sleeve 10, to strike a hammer bit 36 mounted for sliding movement in a chuck 41 located at the forward end of the outer wear sleeve 10, in well known manner.
- a top locking member 1 is screw-threadably mounted on an annular air distributor 3.
- Air distributor 3 is fitted concentrically through inner cylinder 9 and a distributor mount 2 and when assembled an outwardly-directed annular flange 38 on the lower end of air distributor 3 abuts the underside of an inwardly-directed annular shoulder 15 in inner cylinder 9.
- the distributor mount 2 is substantially cylindrical and open at both ends.
- the mount 2 has an upper part 2a having an outer diameter which is the same as the outer diameter of the outer wear sleeve 10, such that when the mount 2 is engaged with the wear sleeve (as described below) the outer cylindrical wall of the mount 2 is flush with the outer wall of the wear sleeve 10.
- the mount 2 has a lower part 2b of reduced diameter which fits within the top end of the wear sleeve 10, and is screw-threadably engaged with the inner wall of the wear sleeve 10, by means of screw threads 39 (see also Fig. 8).
- the transition between the upper and lower parts of the distributor mount 2 is defined by a downwardly facing annular shoulder 23, against which the top annular rim of the wear sleeve 10 abuts, and is locked in place when the mount 2 is fully engaged with the wear sleeve 10.
- the bottom of the top locking member 1 has a flat annular rim 12 which engages a complementary flat shoulder 13 on the top end of the distributor mount 2.
- the inner cylinder 9 is thus effectively locked between a shoulder 13 (between top locking member 1 and mount 2) and shoulder 15 (between air distributor 3 and inner cylinder 9). Shoulder 15 may be tapered if required.
- the inner cylinder 9, at its upper end, has an inwardly extending annular shoulder or flange 14 which is rigidly held between the shoulder 15 and the lower end of the distributor mount 2, when the distributor mount 2 has been screwed into position in the top end of the wear sleeve 10, and the top locking member 1 has been screwed on to the air distributor.
- the top-locking member 1 is screwed down, by screw-threadably engaging it with the top of the air-distributor 3, this acts to pull the air-distributor 3 upwardly against the shoulder 15, and in turn pulls the inner cylinder 9 upwardly against the shoulder 14.
- the whole assembly then locks down on shoulder 13.
- air distributor 3 When screw engaging top locking member 1 to air distributor 3, air distributor 3 is prevented from turning by means of dowels 8 positioned between mount 2 and air distributor 3.
- An annular circlip 7 (see Figs. 3 and 4) is positioned in a chamber 24 formed between locking member 1 and mount 2 and a groove 25 machined on air distributor 3. The circlip 7 serves to retain air distributor 3 loosely in position when assembling the hammer.
- the air distributor 1 may be provided with external flats (flat surface) which mate with complementary flats milled internally in the distributor mount 2.
- the fit must be as close to size for size as possible. Due to tolerance restrictions this means that the fit could be a very close sliding fit, a size for size fit, or a slight interference fit.
- the efficiency of the hammer is partly dependent upon the clearance between the piston 11 and the wear sleeve 10, because the sliding contact between the piston 11 and the inner diameter of the wear sleeve 10 acts as a pneumatic seal. The clearance between these parts is of the order of 0.1 mm. It will be appreciated that the piston 11 is running in the bore of the wear sleeve 10 at the lower end of its stroke (see Fig. 1) and runs in the bore of the inner cylinder 9 at the top of the stroke (see Fig.
- the clearance is of the order of 0.1 mm. It is also important to ensure that the bore of the inner cylinder 9 is concentric with the bore of the outer wear sleeve 10, and that there is no sideways (i.e. radial) movement. This is achieved by having the inner cylinder 9 as a very snug, or interference, fit within the bore of the outer sleeve 10.
- the tolerance on the bore of the outer wear sleeve 10 relative to the piston 11 is about 20 microns and a tolerance of about 10 microns in the outer diameter of the inner cylinder 9, relative to the outer diameter of the piston 11.
- the clearance between these parts should be in the range of 0.11 mm and 0.14 mm. If the clearance is greater than about 0.14 mm there is a loss of efficiency of the hammer because compressed air bypasses the piston.
- the mount 2 is screw-threadably engaged with the top of wear sleeve 10 by means of screw threads 39 (see Figs. 3 and 8) which are cut into the inner face of the wear sleeve 10.
- the axial depth of cut of the screw thread 39 is kept to a minimum to minimise the stress on the wear sleeve.
- the minimum thread depth would increase. In the case of 3" and 4" hammers the minimum depth could be in the range of 1.0 to 1.4 mm. On the larger sizes, e.g. 8", this minimum depth could be in the range of 1.6mm to 2.0mm.
- the bottom end of the hammer is assembled first.
- the hammer is then placed upright.
- the piston 11 is placed into the wear sleeve 10.
- the air distributor 3 is placed into the wear sleeve 10 such that the probe 6 is sitting within piston 11.
- the inner cylinder 9 is pushed into the wear sleeve 10.
- the distributor mount 2 is screwed into the wear sleeve 10.
- the assembly is then tipped on end so that distributor 3 falls down through mount 2 Where the dowels 8 are used these are assembled, and an O-ring is placed on distributor 3.
- the check valve 4 and a spring are put in position.
- the top locking member 1 is then screwed onto the end of distributor 3.
- the air distributor 3 is inserted into inner cylinder 9 (the probe 6 has already been inserted in air distributor 3).
- the distributor mount 2 is placed over air distributor 3.
- Dowels 8 are inserted in position in grooves 26 in distributor mount 2, and complementary grooves 27 in air distributor 3 (see Fig. 6). Once the dowels are in place the air distributor 3 cannot rotate.
- the circlip 7 is assembled in groove 25 on air distributor 3 (see Figs. 3 and 4). If the assembly at this stage is stood on inner cylinder 9, then air distributor 3 can fall as far as circlip 7 allows it. In this position circlip 7 is in groove 24 (in distributor mount 2) and cannot come out.
- the assembly can be inserted into wear sleeve 10 by applying force until the distributor mount 2 is in position to screw into wear sleeve 10.
- the inner cylinder 9 will be gradually pushed into position.
- the top locking member 1 is screwed to air distributor 3 by screw threads 42 (see Fig. 7).
- the inner cylinder 9 is held securely in position, and circlip 7 has pulled up in space 24 to a top position.
- the function of the circlip 7 is to prevent the air distributor 3 from falling down into the hammer assembly before the locking member 1 is in place.
- the air distributor 3 is firmly held in position and the circlip 7 becomes redundant.
- Fig. 3 compressed air is supplied through top locking member 1 and forces check valve 4 open by pushing down on a compression spring 5.
- the compressed air is then supplied through an annular chamber 16 formed between air distributor 3 and probe 6 (see Figs. 3 and 7).
- the air then passes through ports 17 in air distributor 3 and into four chambers 18 (see Figs. 3 and 8), which are segmental in plan, and are formed between distributor mount 2 and air distributor 3. From there the compressed air passes down through ports 19 in inner cylinder 9 and into the segmentally-shaped chambers 20 (see Fig. 9) between the inner cylinder 9 and the wear sleeve 10. From here the air is supplied through ports 21 in the inner cylinder 9.
- FIG. 10 A second embodiment of the down-the hole hammer is now described with reference to Figures 10 and 11 of the drawings.
- This embodiment is substantially similar in construction and operation to the first embodiment of Figures 1 to 9, and like reference numerals denote like parts. It has been found in use of the first embodiment that there is a risk that the distributor mount 2 may crack if excessive force is applied to it from the top locking member 1 due to torqueing up of the assembly in operation. This risk may be avoided by providing a stop for the downward movement of the top locking member 1 on the top end of the air distributor 3.
- the stop is provided by means of an annular flat shoulder 50 on the inner surface of the top locking member 1, which abuts the top flat annular end 51 of the air-distributor 3, when the inner cylinder 9 is locked in position.
- the locking is achieved, by arranging the length tolerances to be such that, as the inner cylinder 9, is locked, there is a small gap between the end 51 of the air-distributor 3 and shoulder 50. As the hammer tightens due to applied torque in operation, this gap is closed.
- a compression ring (not shown) may be positioned between the end 51 and the shoulder 50 which absorbs forces as the assembly tightens. This also makes up for variation in lengths due to tolerances.
- the length tolerances referred to are the length of distributor 3 from end 51 to shoulder 15; the length of inner cylinder 9 from shoulder 15 to the top end 14 of the inner cylinder; the overall length of mount 2, and the length from shoulder 12 on top locking member 1 to shoulder 50. These lengths are chosen to achieve a small gap between the shoulder 50 and the flat end 51. As explained about, this gap closes in operation of the hammer. If it is not desired to be restricted to tight length tolerances then a compression ring may be inserted between shoulder 50 and the flat end 51 as explained above.
- the air distributor 3 is all in one piece which improves the strength of the assembly.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE20020794 | 2002-10-04 | ||
IE20020794A IES20020794A2 (en) | 2002-10-04 | 2002-10-04 | A down-the-hole hammer |
PCT/IE2003/000132 WO2004031530A1 (en) | 2002-10-04 | 2003-09-30 | A down-the hole hammer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1549819A1 true EP1549819A1 (en) | 2005-07-06 |
EP1549819B1 EP1549819B1 (en) | 2006-04-12 |
Family
ID=27638011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03755670A Expired - Lifetime EP1549819B1 (en) | 2002-10-04 | 2003-09-30 | A down-the hole hammer |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060000646A1 (en) |
EP (1) | EP1549819B1 (en) |
AT (1) | ATE323210T1 (en) |
AU (1) | AU2003273513A1 (en) |
CA (1) | CA2500949A1 (en) |
DE (1) | DE60304593D1 (en) |
IE (1) | IES20020794A2 (en) |
WO (1) | WO2004031530A1 (en) |
ZA (1) | ZA200502866B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107217982A (en) * | 2017-07-11 | 2017-09-29 | 中煤科工集团西安研究院有限公司 | Underground coal mine drilling multistage deslagging air screw motor |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IES20040482A2 (en) * | 2004-07-16 | 2006-01-25 | Minroc Techn Promotions Ltd | A down-the-hole hammer |
IES20050621A2 (en) * | 2005-09-20 | 2006-11-15 | Minroc Techn Promotions Ltd | A percussion hammer for enlarging drilled holes |
CA2627488C (en) | 2005-11-03 | 2012-10-23 | Rockmore International, Inc. | Backhead and drill assembly with backhead |
IES20060005A2 (en) * | 2006-01-04 | 2007-02-21 | Minroc Techn Promotions Ltd | A drill bit assembly for fluid-operated percussion drill tools |
KR101412907B1 (en) * | 2006-10-20 | 2014-06-26 | 드릴록 뉴매틱 피티와이 엘티디 | Down-the-hole hammer drill |
US9068399B2 (en) | 2006-10-20 | 2015-06-30 | Drillroc Pneumatic Pty Ltd | Down-the-hole hammer drill |
US7992652B2 (en) * | 2009-02-05 | 2011-08-09 | Atlas Copco Secoroc Llc | Fluid distributor cylinder for percussive drills |
IES20090701A2 (en) | 2009-08-31 | 2010-05-12 | Minroc Techn Promotions Ltd | A drill bit assembly for fluid-operated percussion drill tools |
KR101092873B1 (en) | 2009-11-05 | 2011-12-15 | 주식회사 에버다임락툴 | A ground drilling hammer and its driving process |
IES20100666A2 (en) | 2010-10-15 | 2011-06-22 | Minroc Techn Promotions Ltd | A down-the-hole hammer |
US9016403B2 (en) * | 2012-09-14 | 2015-04-28 | Drillco Tools S.A. | Pressurized fluid flow system having multiple work chambers for a down-the-hole drill hammer and normal and reverse circulation hammers thereof |
EP2873489B1 (en) * | 2013-11-13 | 2018-10-24 | Sandvik Mining and Construction Oy | Impact device and method of dismounting the same |
CN106150345A (en) * | 2016-08-29 | 2016-11-23 | 山东天瑞重工有限公司 | The well air distribution system of fast energy-saving down-hole hammer |
US10533963B2 (en) * | 2017-01-09 | 2020-01-14 | Mobiosense Corp. | Biosensor device |
CL2017001018A1 (en) * | 2017-04-25 | 2017-12-15 | Drillco Tools S A | Bottom Hammer Head Assembly |
CN108590608B (en) * | 2018-01-17 | 2019-03-12 | 大庆市天德忠石油科技有限公司 | Downhole intelligent distributor |
CN108286424B (en) * | 2018-01-17 | 2018-11-06 | 大庆市天德忠石油科技有限公司 | Automatically controlled distributor |
CA3185372A1 (en) * | 2020-07-14 | 2022-01-20 | Ted BRECKENFELD | Integrated retaining ring and bushing |
CN113585960B (en) * | 2021-08-05 | 2023-11-21 | 重庆大学 | Central rotary valve type hydraulic impactor |
Family Cites Families (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3606930A (en) * | 1969-10-06 | 1971-09-21 | Baker Oil Tools Inc | Down-hole drilling hammer |
US4627445A (en) * | 1985-04-08 | 1986-12-09 | Garid, Inc. | Glucose medical monitoring system |
EP0226604B1 (en) * | 1985-05-29 | 1991-08-21 | Artificial Sensing Instruments ASI AG | Optical sensor for selectively determining the presence of substances and the variation of the refraction index in the measured substances |
US4702261A (en) * | 1985-07-03 | 1987-10-27 | Sherwood Medical Company | Biopsy device and method |
US4711250A (en) * | 1986-09-09 | 1987-12-08 | Gilbaugh Jr James H | Hand-held medical syringe actuator device |
IT1231916B (en) * | 1989-05-29 | 1992-01-15 | Ampliscientifica S R L | WEARABLE ARTIFICIAL PANCREAS |
US5354537A (en) * | 1992-04-27 | 1994-10-11 | Akzo N.V. | Piercing and sampling probe |
US5241969A (en) * | 1992-06-10 | 1993-09-07 | Carson Jay W | Controlled and safe fine needle aspiration device |
US5582184A (en) * | 1993-10-13 | 1996-12-10 | Integ Incorporated | Interstitial fluid collection and constituent measurement |
US5591139A (en) * | 1994-06-06 | 1997-01-07 | The Regents Of The University Of California | IC-processed microneedles |
US5575403A (en) * | 1995-01-13 | 1996-11-19 | Bayer Corporation | Dispensing instrument for fluid monitoring sensors |
FR2733745B1 (en) * | 1995-05-02 | 1997-07-04 | Asulab Sa | IMPROVED APPARATUS FOR THE DISTRIBUTION OF SUCCESSIVE AREAS OF A CONSUMABLE BAND |
US5510266A (en) * | 1995-05-05 | 1996-04-23 | Bayer Corporation | Method and apparatus of handling multiple sensors in a glucose monitoring instrument system |
US5701181A (en) * | 1995-05-12 | 1997-12-23 | Bayer Corporation | Fiber optic diffuse light reflectance sensor utilized in the detection of occult blood |
US5562170A (en) * | 1995-08-30 | 1996-10-08 | Ingersoll-Rand Company | Self-lubricating, fluid-actuated, percussive down-the-hole drill |
EP1579814A3 (en) * | 1996-05-17 | 2006-06-14 | Roche Diagnostics Operations, Inc. | Methods and apparatus for sampling and analyzing body fluid |
US7666150B2 (en) * | 1996-05-17 | 2010-02-23 | Roche Diagnostics Operations, Inc. | Blood and interstitial fluid sampling device |
US5879311A (en) * | 1996-05-17 | 1999-03-09 | Mercury Diagnostics, Inc. | Body fluid sampling device and methods of use |
US6332871B1 (en) * | 1996-05-17 | 2001-12-25 | Amira Medical | Blood and interstitial fluid sampling device |
WO1997042883A1 (en) * | 1996-05-17 | 1997-11-20 | Mercury Diagnostics, Inc. | Disposable element for use in a body fluid sampling device |
US5660791A (en) * | 1996-06-06 | 1997-08-26 | Bayer Corporation | Fluid testing sensor for use in dispensing instrument |
US5736103A (en) * | 1996-08-09 | 1998-04-07 | Lifescan, Inc. | Remote-dosing analyte concentration meter |
US5856195A (en) * | 1996-10-30 | 1999-01-05 | Bayer Corporation | Method and apparatus for calibrating a sensor element |
US6063039A (en) * | 1996-12-06 | 2000-05-16 | Abbott Laboratories | Method and apparatus for obtaining blood for diagnostic tests |
US6027459A (en) * | 1996-12-06 | 2000-02-22 | Abbott Laboratories | Method and apparatus for obtaining blood for diagnostic tests |
US5944117A (en) * | 1997-05-07 | 1999-08-31 | Eastern Driller's Manufacturing Co., Inc. | Fluid actuated impact tool |
US5938679A (en) * | 1997-10-14 | 1999-08-17 | Hewlett-Packard Company | Apparatus and method for minimally invasive blood sampling |
US6071294A (en) * | 1997-12-04 | 2000-06-06 | Agilent Technologies, Inc. | Lancet cartridge for sampling blood |
US5971941A (en) * | 1997-12-04 | 1999-10-26 | Hewlett-Packard Company | Integrated system and method for sampling blood and analysis |
US6391005B1 (en) * | 1998-03-30 | 2002-05-21 | Agilent Technologies, Inc. | Apparatus and method for penetration with shaft having a sensor for sensing penetration depth |
WO1999064711A2 (en) * | 1998-06-12 | 1999-12-16 | Ingersoll-Rand Company | Improved backhead and check valve for down-hole drills |
AUPP426398A0 (en) * | 1998-06-22 | 1998-07-16 | Azuko Pty Ltd | A component mounting method and apparatus for a percussion tool |
JP4144019B2 (en) * | 2000-01-07 | 2008-09-03 | ニプロ株式会社 | Puncture needle |
US6706159B2 (en) * | 2000-03-02 | 2004-03-16 | Diabetes Diagnostics | Combined lancet and electrochemical analyte-testing apparatus |
US6540675B2 (en) * | 2000-06-27 | 2003-04-01 | Rosedale Medical, Inc. | Analyte monitor |
US6558624B1 (en) * | 2000-07-25 | 2003-05-06 | General Electric Company | Method and analytical system for rapid screening of combinatorial libraries |
US6889735B2 (en) * | 2000-08-03 | 2005-05-10 | The Goodyear Tire & Rubber Company | Pneumatic tire having a rubber component containing a dendrimer |
US7998746B2 (en) * | 2000-08-24 | 2011-08-16 | Robert Otillar | Systems and methods for localizing and analyzing samples on a bio-sensor chip |
US6520973B1 (en) * | 2000-08-30 | 2003-02-18 | Ethicon Endo-Surgery, Inc. | Anastomosis device having an improved needle driver |
EP1203563A3 (en) * | 2000-10-31 | 2004-01-02 | Boehringer Mannheim Gmbh | Analyzing mean with integrated lancet |
US6530892B1 (en) * | 2001-03-07 | 2003-03-11 | Helen V. Kelly | Automatic skin puncturing system |
JP3845413B2 (en) * | 2001-06-08 | 2006-11-15 | エフ ホフマン−ラ ロッシュ アクチェン ゲゼルシャフト | Body fluid sampling device and test media cassette for use with such a device |
ES2357485T3 (en) * | 2001-06-12 | 2011-04-26 | Pelikan Technologies Inc. | INTEGRATED BLOOD SAMPLE ANALYSIS SYSTEM WITH MULTIPLE USES SAMPLE TAKING MODULE. |
US20030028087A1 (en) * | 2001-08-01 | 2003-02-06 | Yuzhakov Vadim Vladimirovich | Devices for analyte concentration determination and methods of using the same |
US20030028125A1 (en) * | 2001-08-06 | 2003-02-06 | Yuzhakov Vadim V. | Physiological sample collection devices and methods of using the same |
CN100458096C (en) * | 2001-11-14 | 2009-02-04 | 阿特拉斯﹒科普科﹒西科罗克有限责任公司 | Fluid distributor device for down-hole-drills |
US7004928B2 (en) * | 2002-02-08 | 2006-02-28 | Rosedale Medical, Inc. | Autonomous, ambulatory analyte monitor or drug delivery device |
US7179654B2 (en) * | 2002-03-18 | 2007-02-20 | Agilent Technologies, Inc. | Biochemical assay with programmable array detection |
US20030211619A1 (en) * | 2002-05-09 | 2003-11-13 | Lorin Olson | Continuous strip of fluid sampling and testing devices and methods of making, packaging and using the same |
US7052652B2 (en) * | 2003-03-24 | 2006-05-30 | Rosedale Medical, Inc. | Analyte concentration detection devices and methods |
US6799641B1 (en) * | 2003-06-20 | 2004-10-05 | Atlas Copco Ab | Percussive drill with adjustable flow control |
US20060281187A1 (en) * | 2005-06-13 | 2006-12-14 | Rosedale Medical, Inc. | Analyte detection devices and methods with hematocrit/volume correction and feedback control |
-
2002
- 2002-10-04 IE IE20020794A patent/IES20020794A2/en not_active IP Right Cessation
-
2003
- 2003-09-30 AU AU2003273513A patent/AU2003273513A1/en not_active Abandoned
- 2003-09-30 DE DE60304593T patent/DE60304593D1/en not_active Expired - Lifetime
- 2003-09-30 CA CA002500949A patent/CA2500949A1/en not_active Abandoned
- 2003-09-30 AT AT03755670T patent/ATE323210T1/en not_active IP Right Cessation
- 2003-09-30 EP EP03755670A patent/EP1549819B1/en not_active Expired - Lifetime
- 2003-09-30 WO PCT/IE2003/000132 patent/WO2004031530A1/en not_active Application Discontinuation
- 2003-09-30 US US10/529,614 patent/US20060000646A1/en not_active Abandoned
-
2005
- 2005-04-08 ZA ZA200502866A patent/ZA200502866B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2004031530A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107217982A (en) * | 2017-07-11 | 2017-09-29 | 中煤科工集团西安研究院有限公司 | Underground coal mine drilling multistage deslagging air screw motor |
Also Published As
Publication number | Publication date |
---|---|
WO2004031530A1 (en) | 2004-04-15 |
AU2003273513A1 (en) | 2004-04-23 |
IES20020794A2 (en) | 2003-02-19 |
DE60304593D1 (en) | 2006-05-24 |
US20060000646A1 (en) | 2006-01-05 |
ZA200502866B (en) | 2006-06-28 |
CA2500949A1 (en) | 2004-04-15 |
ATE323210T1 (en) | 2006-04-15 |
EP1549819B1 (en) | 2006-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA200502866B (en) | A down-the hole hammer | |
US10307901B2 (en) | Disk brake wheel stud insertion and removal tool | |
US9068399B2 (en) | Down-the-hole hammer drill | |
US8991515B2 (en) | Fail-resistant hammer assembly for a valveless percussive drill | |
US7287460B2 (en) | Hydraulic retention system for reciprocating pump cylinder liner | |
CA2383426C (en) | Hydraulic rod connector system | |
US6637520B1 (en) | Component mounting method and apparatus for a percussion tool | |
WO2006008723A2 (en) | A down-the-hole hammer | |
CA2373766C (en) | Hydraulic retention system for reciprocating pump cylinder liner | |
US6290424B1 (en) | Segmented ring mounting for a fluid-operated percussion drill tool | |
AU743785B2 (en) | A component mounting method and apparatus for a percussion tool | |
US5992537A (en) | Back end connection in a downhole drill | |
CA2802175C (en) | Down-hole hammer drill | |
IES20130098A2 (en) | Footvalve assembly for percussion drill tools | |
WO2017013597A1 (en) | A pneumatic drill hammer | |
IES86382Y1 (en) | Footvalve assembly for percussion drill tools | |
AU691408B2 (en) | Retention means | |
EP0821767A1 (en) | Retention means |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050414 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
DAX | Request for extension of the european patent (deleted) | ||
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: CH Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: LI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20060412 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 60304593 Country of ref document: DE Date of ref document: 20060524 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060712 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060712 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060713 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060723 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060912 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060930 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20070115 |
|
EN | Fr: translation not filed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070309 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060713 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20070930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060712 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060930 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20061013 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070930 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060412 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IE Payment date: 20110916 Year of fee payment: 9 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120930 |