EP1682745B1 - Procede et dispositif permettant de creuser des trous dans des sols ou des roches - Google Patents

Procede et dispositif permettant de creuser des trous dans des sols ou des roches Download PDF

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Publication number
EP1682745B1
EP1682745B1 EP04761062A EP04761062A EP1682745B1 EP 1682745 B1 EP1682745 B1 EP 1682745B1 EP 04761062 A EP04761062 A EP 04761062A EP 04761062 A EP04761062 A EP 04761062A EP 1682745 B1 EP1682745 B1 EP 1682745B1
Authority
EP
European Patent Office
Prior art keywords
impact
drill bit
rod assembly
drill rod
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
EP04761062A
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German (de)
English (en)
Other versions
EP1682745A1 (fr
Inventor
Josef Mocivnik
Renè EGGER-MOCIVNIK
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.)
Alwag Tunnelausbau GmbH
Original Assignee
Alwag Tunnelausbau GmbH
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 Alwag Tunnelausbau GmbH filed Critical Alwag Tunnelausbau GmbH
Priority to PL04761062T priority Critical patent/PL1682745T3/pl
Priority to SI200430534T priority patent/SI1682745T1/sl
Publication of EP1682745A1 publication Critical patent/EP1682745A1/fr
Application granted granted Critical
Publication of EP1682745B1 publication Critical patent/EP1682745B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00—Percussion drilling
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/26—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by liquid pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Definitions

  • the present invention relates to a method for drilling, in particular impact or rotary impact drilling, of holes in soil or rock material, wherein a borehole is formed by a drill bit mounted on a drill bit by a striking and / or rotating movement and a coat or The cladding tube is introduced into the borehole, wherein the impact energy introduced by the drill string is partially transmitted in particular centrally through the drill string to the drill bit and partly via a blower cooperating with the drill string to the cladding or cladding tube.
  • the invention further relates to a device for drilling, in particular impact or rotary impact drilling, of holes in soil or rock material, wherein a drill bit mounted on a drill string by a striking and / or rotating movement forms a borehole and a jacket or cladding in the wellbore can be introduced, wherein the drill bit in its central region can be acted upon by the drill string and that the drill string acts on a cooperating with the jacket or cladding blower.
  • Various embodiments are known in connection with methods and devices for drilling, in particular impact or rotary impact drilling of holes in soil or rock material.
  • a drill bit for introducing impact energy directly to a drill string where, for example, a sheath or tube is introduced under tensile stress through the drill bit into the interior of the wellbore, with a corresponding coupling between the shell and / or Cladding tube and the drill bit at the end facing away from the excavation surface.
  • a disadvantage of this embodiment is the fact that the energy for introducing the jacket or cladding tube, which causes, for example, frictional resistance by a partial contact with the borehole wall, must be introduced via the drill bit.
  • a method and a device of the type mentioned are from the WO 03/004824 become known, being aimed at a simple removal of a clearing element without an actuation of the pilot drill bit.
  • embodiments are known in which a correspondingly solid casing tube is provided, which cooperates with the drill bit in particular on its outer circumference, wherein in such embodiments is dispensed with a substantially central drill pipe for the introduction of impact energy.
  • a disadvantage of this embodiment is in particular the fact that a very massive and therefore heavy casing pipe must be used to introduce the required energy degradation, which is usually provided for drilling over short distances, such as wells.
  • the present invention aims, starting from a method and a device of the type mentioned above, to enable a reliable and favorable introduction of the degradation or impact energy into the drill bit as well as into the casing or cladding tube.
  • a method of the type mentioned is essentially characterized in that the impact energy is transmitted from the drill string to the beater with the interposition of a beating ring and that the drill bit and possibly the impact ring is coupled to the drill string via a plug connection. Since the energy or impact energy-in particular centrally transmitted through the drill string on the drill bit and partially via a cooperating with the drill string beater on the jacket or cladding tube, a decoupling succeeds in introducing the drill bit of the during the drilling process additionally introduced coat - or cladding tube.
  • the impact energy is transmitted from the drill string to the beater with the interposition of a beating ring .
  • a striking ring can a transmission of energy from the centrally or centrally arranged drill pipe, which usually has a comparatively small diameter, carried on the large diameter having a blower, wherein the beater is adapted substantially adapted to the diameter of the jacket or cladding tube coupled thereto.
  • degraded material via at least one passage opening in the working surface of the drill bit in between the outer circumference of the drill string and the inner circumference of the casing tube and the adjoining cladding tube defined annular space is introduced and discharged from the well. It can thus bring the mined material directly through the at least one provided in the drill bit excavation opening in the annular space between the drill string and the adjoining the drill bit sheath or casing, so that a reliable and safe removal of the mined material from the field Removal surface of the drill bit can be made.
  • the impact ring is formed with a corresponding to at least one passage opening of the excavation surface of the drill bit passage for the removal of material and is coupled to the drill string to a rotary motion with the drill bit.
  • Cladding tube with a hardening mass takes place.
  • polygonal, mutually complementary surfaces of the connector between the drill bit and the impact ring are provided with the drill string.
  • Such polygonal, mutually complementary surfaces of a plug connection allow a secure coupling with the and reliable force input to the drill bit, while such a connector easily by a simple retraction allows removal of the drill string from the drill bit.
  • the impact ring remains in the borehole when removing the drill string, so that no obstruction in removing the drill string through the one opposite the drill string enlarged diameter having impact ring by possibly in the annulus between the Outside circumference of the drill string and the inner diameter of the jacket or cladding tube remaining material must be feared.
  • a device of the type mentioned above is substantially characterized in that the drill pipe is coupled with the interposition of a shock ring with the impact shoe for the transmission of impact energy to the mantle or cladding tube.
  • a uniform introduction of the impact energy or energy to be transferred to the drill bit is achieved, as a result of which the drilling progress or drilling process is accelerated or assisted.
  • the decoupling of the drill bit from the jacket or cladding tube furthermore makes it possible to design the drill bit in a correspondingly simplified manner since the forces required for an insertion of the jacket or cladding tube do not have to be transmitted to the jacket or cladding tube via the drill bit. but the jacket or cladding tube on the impact shoe, which cooperates with the drill pipe or is acted upon by this, is introduced into the interior of the borehole.
  • the drill pipe with the interposition of a shock ring with the beater for the transmission of impact energy is coupled to the jacket or cladding tube.
  • the drill bit and the impact ring are coupled via connectors to the drill string.
  • the impact ring is formed separately from the impact shoe and the drill pipe.
  • individual parts of the device according to the invention can be produced separately from each other and thus simpler and further ensures that when removing the drill string after completion of the bore, as will be discussed in detail below, the beater next to the drill bit and the shell or cladding tube can remain in the borehole, so that a simple Pulling or removing the drill string is possible without having to fear that by removing a larger external dimension for coupling with the impact shoe having impact ring when removing the drill string from the well by optionally remaining in the hole mined material disability occurs during removal of the drill string.
  • the impact shoe with the casing tube and / or cladding tube is welded.
  • a coupling or welding of the jacket or jacket tube with the impact shoe ensures that for the introduction into the borehole, in particular under tensile stress, to be introduced to the jacket or cladding impact energy not, as in known embodiments, first in the Drill bit is introduced, followed by the shell or Hüllroh is pulled into the wellbore over the drill bit, but that a decoupling of the advancing movement of the drill bit and the entrainment movement of the jacket or sheath tube of the drill bit is done.
  • the drill bit at least one passage opening for the introduction of material into a between the outer periphery of the drill string and the inner circumference of the casing tube and the adjoining her Cladding tube defined annulus has.
  • the impact ring In order to allow a proper transport of the mined material through the area of the impact ring, which is a coupling between the centrally or centrally arranged drill pipe and the outer perimeter impact shoe, is provided according to a further preferred embodiment that the impact ring at least one with the or ., Has the passage opening (s) of the excavation surface of the drill bit aligned passage opening.
  • a plurality of passage openings in each case substantially the same angular distance from each other, in particular three passages in one each angular distance of 120 ° at the outer peripheral region of the drill bit and that of the impact ring is or are provided.
  • connections between the drill bit and the impact ring with the drill string polygonal stop or contact surfaces.
  • a connector with polygonal stop or contact surfaces allows a reliable power transmission, especially taking into account the introduced on the drill bit rotation, which after completion of the borehole by a simple retraction of the Bohrgestlindes a separation or release of the drill string from the drill bit and possibly the impact ring takes place.
  • Irge - on-d1-e drill bit and the sheath or jacket tube with the interposition of the impact ring and the impact shoe to be introduced energy is provided according to a further preferred embodiment that the beater and if appropriate, the impact ring and the drill pipe and the drill bit each at an acute angle Having abutment surfaces with the longitudinal axis of the drill pipe or a Kugelkalottenform having stop surfaces for transmitting the impact energy from the drill pipe to the drill bit and the impact shoe or impact ring.
  • an acute angle with the longitudinal axis of the drill string enclosing or a Kugelkalottenform having stop surfaces can be designed correspondingly inexpensive and reliable for the partially high forces to be introduced.
  • the guide tube and the beater are secured in the axial direction, for example by a spring washer.
  • a drill bit which in a conventional manner a plurality of hard metal or hard material inserts 2 for breaking down unspecified material for forming a well, also not shown.
  • the drill bit 1 is coupled on its side facing away from the excavation surface 3 to a drill pipe 4, wherein in FIG. 1 only the foremost section of the drill pipe 4 is shown, wherein in a conventional manner the drill pipe 4, for example is extended accordingly over 5 indicated screw.
  • the drill pipe 4 acts substantially centrally or centrally in the region of a plug connection 6 directly with the drill bit 1, wherein also in Fig. 1 schematically a flushing channel 7 is indicated in the drill pipe 4, which opens into corresponding scavenging openings 8, which in the region of Dismantling surface 3 of the drill bit 1 are provided.
  • the drill pipe 4 at a distance from the connector 6 cooperates with a striking ring 9, which subsequently cooperates with a beater 10.
  • the impact shoe 10 transmits energy to a jacket tube 15th
  • stop surfaces or bearing surfaces 12 and 13 are provided, wherein the stop surfaces or bearing surfaces 12 and 13 each have an acute angle with the Have longitudinal axis 14 of the drill string 4.
  • the contact surfaces 11 between the drill bit 1 and the central drill pipe 4 are formed by a spherical cap shape for transmitting the required forces.
  • the impact shoe 10 is connected to the jacket tube 15 via a weld 16, so that at a loading of the impact shoe 10 in the direction of drilling or removal movement 17 at the same time the jacket tube 15 and the jacket tube 15 coupled and subsequent cladding tube 18 is taken.
  • a coupling via a ring 19 is provided for a coupling between the jacket tube 15 and the subsequent cladding tube 18.
  • the guide tube 20 rotates together with the drill bit 1 in the direction of the arrow 22 in a mining operation, while the jacket tube 15 and the adjoining jacket tube 18 only in the direction of the drilling movement 17 without any rotational movement over the Blowing shoe 10 are taken into the interior of the borehole.
  • the impact ring 9 is formed separately from both the beater 10 and the drill pipe 4, so that after completion of the borehole 5, the drill string 4 simply against the drilling direction 17 from the well and thus the interior of the casing tube 15 and adjoining cladding tube 18 can be removed, which need not be feared that in the interior of the sheath or jacket tube 15 or 18 befindliches material obstructs removal of the drill pipe 4, as well as the knuckle 9 in the borehole, ie remains in the interior of the casing tube 15.
  • the drill bit 1 at its excavation surface 3 at least one and in the illustrated embodiment, three passages 23, which are arranged at a distance substantially equal angular distance of 120 ° from each other.
  • the impact ring 9 has corresponding aligned through openings 24, so that a large passage cross-section for a discharge of the material directly through the excavation surface of the drill bit 1 and subsequently in between the outer periphery of the Bohrgestfites 4 and the inner circumference of the casing tube 15 and the subsequent cladding tube 18 defined annular space 25 is made possible.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Claims (15)

  1. Procédé de forage, en particulier de forage à percussion ou par rotary - percussion, de trous dans de la terre ou des roches, selon lequel un trou de sonde est formé par un trépan (1), monté sur une tige de forage (4), par un mouvement de percussion et/ou de rotation, et un tube d'enveloppe ou fourreau (15, 18) est introduit dans le trou de sonde, l'énergie de percussion fournie par la tige de forage (4) est transmise en partie, en particulier au centre, par la tige de forage (4) au trépan (1) et en partie par l'intermédiaire d'un sabot de percussion (10), coopérant avec la tige de forage (4), au tube d'enveloppe ou fourreau (15, 18), caractérisé en ce que l'énergie de percussion est transmise par la tige de forage (4) au sabot de percussion (10) avec intercalation d'un anneau de percussion (9) et que le trépan (1), et éventuellement l'anneau de percussion (9), est couplé à la tige de forage (4) par l'intermédiaire d'un assemblage à emboîtement.
  2. Procédé suivant la revendication 1, caractérisé en ce que la transmission de l'énergie de percussion de la tige de forage (4) au sabot de percussion (10) et/ou à l'anneau de percussion (9) intercalé et au trépan (1) s'effectue par l'intermédiaire de surfaces de contact ou d'appui (12, 13), qui forment respectivement un angle aigu avec l'axe longitudinal (14) de la tige de forage (4) ou présentent une forme de calotte sphérique.
  3. Procédé suivant l'une des revendications 1 et 2, caractérisé en ce que du matériau abattu est introduit par l'intermédiaire d'au moins une ouverture de passage (23) dans le front de taille du trépan (1) dans un espace annulaire (25), défini entre le pourtour extérieur de la tige de forage (4) et le pourtour intérieur du tube d'enveloppe (15) et le fourreau (18) consécutif, et est épandu à partir du trou de sonde.
  4. Procédé suivant la revendication 3, caractérisé en ce que l'anneau de percussion (9) est réalisé avec une ouverture de passage (24), correspondante à au moins une ouverture de passage (23) du front de taille du trépan (1), pour l'évacuation de matériau, et est couplé à la tige de forage (4) en un mouvement de rotation avec le trépan (1).
  5. Procédé suivant l'une des revendications 1 à 4, caractérisé en ce que sont prévues des surfaces polygonales, complémentaires les unes aux autres, de l'assemblage à emboîtement entre le trépan (1) et l'anneau de percussion (9) avec la tige de forage (4).
  6. Dispositif de forage, en particulier de forage à percussion ou par rotary-percussion, de trous dans de la terre ou des roches, dans lequel un trépan (1), monté sur une tige de forage (4), forme un trou de sonde par un mouvement de percussion et/ou de rotation et un tube d'enveloppe ou fourreau (15, 18) peut être introduit dans le trou de sonde, le trépan (1) peut être sollicité dans sa zone centrale par la tige de forage (4) et la tige de forage (4) sollicite un sabot de percussion (10) coopérant avec le tube d'enveloppe ou fourreau (15, 18), caractérisé en ce que la tige de forage (4) est couplée avec intercalation d'un anneau de percussion (9) au sabot de percussion (10) pour la transmission de l'énergie de percussion au tube d'enveloppe ou fourreau (15, 18), et que le trépan (1) et l'anneau de percussion (9) sont couplés par l'intermédiaire d'assemblages à emboîtement (6) à la tige de forage (4).
  7. Dispositif suivant la revendication 6, caractérisé en ce que l'anneau de percussion (9) est réalisé séparément du sabot de percussion (10) et de la tige de forage (4).
  8. Dispositif suivant l'une des revendications 6 et 7, caractérisé en ce que le sabot de percussion (10) est soudé avec le tube d'enveloppe (15) et/ou le fourreau (18).
  9. Dispositif suivant l'une des revendications 6 à 8, caractérisé en ce que le trépan (1) comporte sur son front de taille (3) au moins une ouverture de passage (23) pour une introduction de matériau dans un espace annulaire (25), défini entre le pourtour extérieur de la tige de forage (4) et le pourtour intérieur du tube d'enveloppe (15) et du fourreau (18) consécutif.
  10. Dispositif suivant la revendication 9, caractérisé en ce que l'anneau de percussion (9) présente au moins une ouverture de passage (24), alignée sur la ou les ouvertures de passage (23) du front de taille du trépan (1) .
  11. Dispositif suivant l'une des revendications 9 et 10, caractérisé en ce qu'une pluralité d'ouvertures de passage (23, 24) sont prévues à distance angulaire mutuelle essentiellement égale, en particulier trois ouvertures de passage à distance angulaire mutuelle de respectivement 120°, sur la zone de pourtour extérieur du trépan (1) et la zone de pourtour extérieur de l'anneau de percussion (9).
  12. Dispositif suivant l'une des revendications 6 à 11, caractérisé en ce que les assemblages à emboîtement (6) entre le trépan (1) et l'anneau de percussion (9) avec la tige de forage (4) comportent des surfaces de butée ou d'appui polygonales.
  13. Dispositif suivant l'une des revendications 6 à 12, caractérisé en ce que le sabot de percussion (10) et éventuellement l'anneau de percussion (9) ainsi que la tige de forage (4) et le trépan (1) comportent des surfaces de butée, formant respectivement un angle aigu avec l'axe longitudinal (14) de la tige de forage (4) ou présentant une forme de calotte sphérique, pour transmettre l'énergie de percussion de la tige de forage (4) au trépan (1) et au sabot de percussion (10) ou à l'anneau de percussion (9).
  14. Dispositif suivant l'une des revendications 6 à 13, caractérisé en ce qu'un tube de guidage (20), recouvrant le sabot de percussion (10), se raccorde au trépan (1) sur l'extrémité opposée au front de taille (3), lequel tube peut tourner conjointement avec le trépan (1) par rapport au sabot de percussion (10) ainsi qu'au tube d'enveloppe ou fourreau (15, 18) assemblé avec ce dernier.
  15. Dispositif suivant la revendication 14, caractérisé en ce que le tube de guidage (20) et le sabot de percussion (10) sont bloqués dans la direction axiale par exemple par un anneau à ressort (21).
EP04761062A 2003-10-08 2004-10-05 Procede et dispositif permettant de creuser des trous dans des sols ou des roches Expired - Lifetime EP1682745B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL04761062T PL1682745T3 (pl) 2003-10-08 2004-10-05 Sposób i urządzenie do wiercenia otworów w gruncie lub materiale skalnym
SI200430534T SI1682745T1 (sl) 2003-10-08 2004-10-05 Postopek in naprava za vrtanje lukenj v talni alikamniti material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0159303A AT500691B1 (de) 2003-10-08 2003-10-08 Verfahren und vorrichtung zum bohren von löchern in boden- oder gesteinsmaterial
PCT/AT2004/000340 WO2005033467A1 (fr) 2003-10-08 2004-10-05 Procédé et dispositif permettant de creuser des trous dans des sols ou des roches

Publications (2)

Publication Number Publication Date
EP1682745A1 EP1682745A1 (fr) 2006-07-26
EP1682745B1 true EP1682745B1 (fr) 2007-09-05

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Family Applications (1)

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EP04761062A Expired - Lifetime EP1682745B1 (fr) 2003-10-08 2004-10-05 Procede et dispositif permettant de creuser des trous dans des sols ou des roches

Country Status (15)

Country Link
US (1) US7255181B2 (fr)
EP (1) EP1682745B1 (fr)
JP (1) JP2007507627A (fr)
KR (1) KR20060121913A (fr)
CN (1) CN1863981A (fr)
AT (2) AT500691B1 (fr)
CA (1) CA2540963A1 (fr)
DE (1) DE502004004906D1 (fr)
DK (1) DK1682745T3 (fr)
ES (1) ES2291910T3 (fr)
HR (1) HRP20060148A2 (fr)
PL (1) PL1682745T3 (fr)
PT (1) PT1682745E (fr)
WO (1) WO2005033467A1 (fr)
ZA (1) ZA200602625B (fr)

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EP1818499B1 (fr) 2006-02-09 2011-08-17 Gonar Sp. Zo.o. Dispositif permettant le forage et le tubage simultané
JP4962129B2 (ja) * 2007-05-09 2012-06-27 三菱マテリアル株式会社 掘削工具
US7900716B2 (en) * 2008-01-04 2011-03-08 Longyear Tm, Inc. Vibratory unit for drilling systems
US9338667B2 (en) 2011-04-18 2016-05-10 Empire Technology Development Llc Drilling technology utilizing high temperature and low temperature discharges
US9416593B2 (en) * 2012-12-28 2016-08-16 Smith International, Inc. Piston strike face and bit interface for percussion hammer drill
KR101608969B1 (ko) * 2014-10-07 2016-04-04 광성지엠(주) 천공장치용 비트
PL3231980T3 (pl) 2016-04-07 2019-08-30 Dsi Underground Austria Gmbh Głowica wiertnicza z obsadą świdra i sposób jej montażu
RU2750793C1 (ru) * 2020-12-02 2021-07-02 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук (ИГД СО РАН) Способ бурения скважин с одновременной обсадкой

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DE4114457C1 (fr) * 1991-05-03 1992-06-25 Ing. Guenter Klemm Bohrtechnik Gmbh, 5962 Drolshagen, De
US5921332A (en) * 1997-12-29 1999-07-13 Sandvik Ab Apparatus for facilitating removal of a casing of an overburden drilling equipment from a bore
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AU2910899A (en) * 1999-03-18 2000-10-09 Alwag Tunnelausbau Gesellschaft Mbh Device for drilling bore holes
PL196595B1 (pl) * 2000-02-24 2008-01-31 Alwag Tunnelausbau Gmbh Przyrząd do wiercenia otworów wiertniczych, w szczególności do wiercenia udarowego lub udarowo-obrotowego
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Also Published As

Publication number Publication date
ES2291910T3 (es) 2008-03-01
AU2004278443A1 (en) 2005-04-14
US7255181B2 (en) 2007-08-14
HRP20060148A2 (en) 2006-06-30
WO2005033467A1 (fr) 2005-04-14
PL1682745T3 (pl) 2008-01-31
JP2007507627A (ja) 2007-03-29
KR20060121913A (ko) 2006-11-29
ATE372442T1 (de) 2007-09-15
CN1863981A (zh) 2006-11-15
AT500691A1 (de) 2006-02-15
ZA200602625B (en) 2007-11-28
PT1682745E (pt) 2007-11-16
DE502004004906D1 (de) 2007-10-18
EP1682745A1 (fr) 2006-07-26
AT500691B1 (de) 2008-07-15
US20060180352A1 (en) 2006-08-17
DK1682745T3 (da) 2008-01-07
CA2540963A1 (fr) 2005-04-14

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