EP2247827B1 - Verbesserter gleitanker - Google Patents

Verbesserter gleitanker Download PDF

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Publication number
EP2247827B1
EP2247827B1 EP08716147A EP08716147A EP2247827B1 EP 2247827 B1 EP2247827 B1 EP 2247827B1 EP 08716147 A EP08716147 A EP 08716147A EP 08716147 A EP08716147 A EP 08716147A EP 2247827 B1 EP2247827 B1 EP 2247827B1
Authority
EP
European Patent Office
Prior art keywords
sliding
anchor
anchor rod
bore
bolt according
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.)
Not-in-force
Application number
EP08716147A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2247827A1 (de
Inventor
Michael Meidl
François Charette
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.)
Atlas Copco Mai GmbH
Original Assignee
Atlas Copco Mai 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 Atlas Copco Mai GmbH filed Critical Atlas Copco Mai GmbH
Priority to SI200830450T priority Critical patent/SI2247827T1/sl
Priority to PL08716147T priority patent/PL2247827T3/pl
Publication of EP2247827A1 publication Critical patent/EP2247827A1/de
Application granted granted Critical
Publication of EP2247827B1 publication Critical patent/EP2247827B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008—Anchoring or tensioning means

Definitions

  • the invention relates to a sliding anchor for insertion into a bore, with an anchor rod, on which a sliding control element is arranged with a passage opening through which the anchor rod extends, and an anchor plate which is intended to rest against a region surrounding the mouth of the bore.
  • the sliding control element comprises a sliding body cage with at least one recess for receiving a sliding body in contact with the lateral surface of the anchor rod and the armature plate is in force-transmitting connection with the Gleit Economics tanninfig.
  • a sliding anchor is from the US 4 560 305 A known.
  • Sliding anchors belong to the group of so-called mountain anchors.
  • Rock anchors are used in mining, tunneling and foundation engineering to stabilize the wall of a tunnel, tunnel or embankment.
  • a hole in the rock is driven from the tunnel or tunnel, the length of which is usually between two and twelve meters.
  • a rock bolt of appropriate length is introduced, the end region is permanently secured by mortar, with special resin adhesives or by mechanical splaying in the hole.
  • an anchor plate is inserted, which is clamped with a nut against the wall of the tunnel or tunnel. In this way, loads acting in the area of the tunnel or tunnel wall can be introduced into deeper rock layers.
  • wall-remote rock layers are used for load transfer in order to minimize the risk of collapse of the tunnel or tunnel.
  • rock anchors can transmit a maximum load corresponding to their structural design and break when this load is exceeded (so-called breaking load).
  • breaking load a maximum load corresponding to their structural design and break when this load is exceeded.
  • sliding anchors have been developed that give defined defined when exceeding a predetermined load, ie can increase their length within certain limits, acting on a rock tension to a level which can still be transferred from the anchor.
  • Such sliding anchors have a constructive predetermined sliding distance, which can be traversed when exceeding the predetermined load, ie the total length of the sliding anchor can extend through the defined yielding at elevated load by a maximum of this sliding distance.
  • the invention is intended to provide a sliding anchor, in which the force at which the sliding anchor defines yielding, can be adjusted as accurately as possible and fluctuates as little as possible during the yielding, on the one hand to allow an exact structural design of the rock anchor and on the other hand as well as possible predictable behavior during operation. Also, the so-called breakaway force, so the force from which exceeds the sliding anchors defines yielding, be repeatable, so that the load of the sliding anchor during different, temporally spaced phases of such a defined yielding does not change uncontrollably.
  • each recess is arranged to receive a slider in Gleit Economics sakefig tangential to the lateral surface of the anchor rod, also the Mantelhüll Chemistry each recess protrudes a predefined measure in the free cross section of the passage opening, and finally each slider fills the cross section of its associated recess.
  • tangential to the lateral surface of the anchor rod in the present case means no exact tangentiality in the mathematical sense, in which the mantle envelope surface of the recess would affect only the lateral surface of the anchor rod, but there is a substantially tangential arrangement of the specific recesses for receiving sliding bodies the lateral surface of the anchor rod meant, in which the central longitudinal axis of each recess is skewed to the central longitudinal axis of the anchor rod, wherein in a projection of the central longitudinal axis of the anchor rod and the central longitudinal axis of any recess for receiving a slider these two axes can be orthogonal to each other, but not need.
  • the central longitudinal axis of a recess for receiving a slider can therefore lie in a plane which intersects the central longitudinal axis of the anchor rod at right angles (then the axes in question in the projection described are orthogonal to each other), but it can also in a to the central longitudinal axis of the anchor rod sloping plane lie.
  • Such an embodiment of a sliding anchor according to the invention has a number of advantages.
  • Mantelhüll Chemistry each provided for receiving a slider recess in Gleit Economicslafig a predefined dimension in the free cross section of the passage opening of the sliding control protrudes, with the help of this measure, the clamping force with which the sliding body or hold the extending through the through hole anchor rod, very accurate be preset.
  • clamping or breakout force can be influenced are the shape of the sliding body and the sliding body cage, the number of sliding bodies, the nature of their surface in contact with the anchor rod, the material pairings between the sliding body and the tie rod and between sliding body and sliding body cage, as well as the shape and type of the surface of the anchor rod.
  • the sliding anchor according to the invention already works with a recess and a sliding body arranged therein.
  • a plurality of recesses are arranged in the sliding body cage, which are advantageously distributed around the circumference of the anchor rod around, in particular evenly distributed around the circumference.
  • the desired breakaway force can be set even more precisely, also can be realized with multiple recesses and sliding bodies arranged therein in a simple way higher clamping or breakaway forces.
  • a uniform distribution of the recesses and sliding bodies around the circumference of the anchor rod distributes the loads acting on the anchor rod more uniformly.
  • Each of the plurality of recesses may be disposed in the slider cage at a different level, i. in each case a separate cross-sectional plane of the Gleit stresseshanfigs.
  • a plurality of recesses are preferably arranged in a cross-sectional plane of the sliding body cage.
  • the number of recesses possible in a cross-sectional plane depends on the dimension of the recesses and the dimension of the sliding body cage.
  • three recesses are arranged in a cross-sectional plane, however, it may also be more than three such recesses in a larger sized sliding anchor with a correspondingly larger sliding control.
  • a plurality of recesses in groups in different cross-sectional planes of the slider cage, also from the viewpoint of achieving a compact construction and uniform load distribution.
  • Such a configuration is preferably selected when the spatial relationships do not allow an arrangement of the desired number of recesses in a cross-sectional plane.
  • three recesses in two different cross-sectional planes of the sliding body cage are arranged in another embodiment of the sliding anchor according to the invention.
  • the recesses of the different cross-sectional planes are advantageously angularly offset from one another in such a way that the sliding bodies arranged in the recesses of one cross-sectional plane contact other regions of the lateral surface of the anchor rod than the sliding bodies present in the or the other cross-sectional planes.
  • the shape of the sliding body used can be chosen almost arbitrarily.
  • the sliding body may be spherical or they may have a tapered outer shape, such as a tapered roller.
  • the sliders have a circular cylindrical shape, so are roll-shaped.
  • the lateral surface of each slider can be cambered, ie bulged outward, for example in the manner of a Wine barrel.
  • prismatic sliding body are possible. It is understood that the shape of the recesses must be adapted to the sliding bodies used at least to the extent that each slider is received in its recess substantially free of play.
  • the shape of the recess will correspond to the shape of the slider used, ie a circular cylindrical slider will be arranged in a circular cylindrical recess, a conical slider in a conical recess, etc., but this match is not mandatory.
  • slidable anchors of the type mentioned it is also desirable that they are structurally suitable for the installation of a device that indicates a still available sliding distance in a manner that can be detected quickly and reliably.
  • the anchor plate is in force-transmitting connection with the sliding body cage of the sliding control.
  • the anchor plate is interlocked with the Gleit Economics tanninfig for transmission of particular tensile and compressive forces, so that when exceeding the predetermined load of the sliding anchor, the sliding control over the anchor rod slips, whereas in the known embodiment, the sliding control remained stationary and the anchor rod through the sliding control member slipped when the predetermined load was exceeded.
  • the anchor plate is in force-transmitting connection with the Gleit Economics tanninfig, so that when rock movements occur and the resulting pressure on the anchor plate, the sliding control slips over the anchor rod when the predetermined load of the sliding anchor is exceeded.
  • the anchor rod remains stationary and his in the area of the bore mouth free end slips into the sliding anchor during the sliding process. In this way, it is easily possible to determine whether a particular slip anchor has already passed slip conditions and which measure of its sliding distance has already been used up.
  • the Gleit stresses hisfig is part of a mounting adapter, which serves for fixing the anchor plate against the region of the rock wall, which surrounds the bore mouth.
  • the Gleit stresses hisfig and thus the entire sliding control is relatively close to or even in the bore mouth.
  • a protective tube concentrically surrounding the anchor rod extends from the anchor plate into the bore to protect the anchor rod, particularly from crushing by shifting rock plates.
  • the protective tube may extend into the region of the bore-side end of the sliding anchor and is preferably made of metal, in particular steel, or plastic.
  • the anchor rod protrudes through the anchor plate and the mounting adapter through out of the hole. If the length of the protruding from the bore portion of the anchor rod is known, later occurring due to rock movements can be easily verified by the then shortening section.
  • the protruding from the bore portion of the anchor rod is preferably provided with one or more markings, by means of which a still available sliding can be visually detected.
  • the protruding from the bore portion of the anchor rod may be provided with a uniform pitch in the manner of a meter bar, so that the already used in the course of rock movements slide can be read directly.
  • the markings are color markings, wherein preferably one of the anchor plate next region of the anchor rod green, an axially adjacent thereto yellow area and a subsequent, the free end of the anchor rod comprehensive area is marked in red.
  • this is set so that all three color-coded areas of the anchor rod are visible from the outside.
  • the green area can then "disappear” due to rock movements, ie move into the sliding anchor, then the yellow area and finally the red area. As long as the green area or part of it is still visible from the outside, this indicates that everything okay.
  • a protective tube concentrically surrounding the anchor rod extends from the anchor plate in the direction of the bore-side end of the anchor rod (ie inwardly into the bore) and is fixed at one end to the slider cage and at its other end to the anchor plate ,
  • the protective tube thus serves to transmit power between the anchor plate and the Gleit emotions tanninfig.
  • all types of connection which ensure the transmission of force between the interconnected parts are suitable for fixing the protective tube to the sliding body cage or to the anchor plate.
  • the one end of the protective tube may be welded to the sliding body cage. But it can also be screwed or jammed with the Gleit Economics hisfig.
  • a mounting adapter is used for fixing the free end of the protective tube to the anchor plate, then this preferably has a coaxial with the anchor rod through-hole, through which the anchor rod can extend.
  • a stop element is mounted on the free end of the anchor rod or in the region thereof, whose diameter is greater than the diameter of the passage opening. In this way, the sliding control can not slip off the anchor rod.
  • the stopper is screwed onto the end portion of the anchor rod or otherwise secured nut. If the stop element strikes the sliding control element, a further defined yielding of the sliding anchor is no longer possible. The sliding anchor can then be charged to its resulting from the structural design breaking load and will fail after exceeding the same, for example, then the anchor rod will tear.
  • the stop element is preferably in the through-hole of the mounting adapter.
  • the outer-side end face of the stop element in the initial state of the sliding anchor terminates flush with an outer edge of the mounting adapter surrounding the end face. If rock movements occur which lead to an extension of the sliding anchor, the stop element moves into the sliding anchor, more precisely into the passage recess, which is clearly visible from the outside.
  • the anchor rod or an extension thereof protrudes out of the mounting adapter and is preferably provided with one or more markings indicating a still available sliding distance. These markings can be made as stated above in connection with the first embodiment.
  • a sliding distance detection element may be fastened, in particular a band, a wire, a thread or the like. In a change in length of the sliding anchor as a result of sliding of the sliding control element, the sliding distance detection element is then drawn into the sliding anchor accordingly, so that the already used sliding distance can be easily determined by a comparison with the originally outstanding length of the Gleitumblener appliedselements.
  • this protective tube serves to protect the anchor rod, in particular from being crushed by shifting rock slabs, and is preferably made of metal, in particular steel, or plastic.
  • sliding anchor a mixing and anchoring element is attached to the bore-side end of the anchor rod.
  • adhesive resins on two-component basis
  • the two components are usually introduced in the form of adhesive cartridges in the bore, in which the two components are housed, for example, in two concentric chambers separated from each other.
  • setting the anchor destroys the mixing and anchoring element first formed for example from a plastic film chambers and a simultaneous or subsequent rotation of the anchor rod then leads to the intimate mixing of the two components, which harden rapidly as a result to the finished adhesive resin.
  • the mounting adapter is formed at its free end for coupling with a mounting device which rotates the mounting adapter and thus the Gleit emotions tanninfig, the anchor rod and the mixing and anchoring element during insertion of the sliding anchor into the bore.
  • the attachment of the mounting adapter to the slider cage and to the anchor plate must be designed so that rotational forces can be transmitted.
  • FIG. 1 there is shown a sliding anchor, generally designated 10, which is provided for insertion into a rock hole, not shown, for example, to stabilize the wall of a tunnel or tunnel.
  • the central element of this sliding anchor 10 is an anchor rod 12, which represents the load-bearing component of the sliding anchor 10 and whose length determines the length of the sliding anchor 10.
  • the anchor rod 12 is a solid, continuous steel rod with a circular cross-section and a diameter of 12 mm and smooth lateral surface whose length is here two meters.
  • the diameter of the anchor rod 12 may be less than or greater than 12 mm, and also its length may be shorter or longer than previously indicated, depending on the conditions of use.
  • the lateral surface of the anchor rod 12 does not have to be smooth, but can be roughened, grooved, etc., for example.
  • anchor rods of circular cross-section are preferred, the invention is not limited thereto, the cross-section of the anchor rod may for example be square, polygonal, etc.
  • a sliding control element 14 On a portion of the anchor rod 12, which is provided for introduction into the rock hole, not shown, a sliding control element 14 is arranged, the basic structure better from the FIGS. 2 and 3 evident.
  • the sliding control member 14 serves to allow a limited Relatiwerschiebung between the anchor rod 12 and the sliding control member 14, so that the sliding anchor 10 occurring after its setting rock shifts can better cope and not prematurely failed.
  • the sliding control member 14 has a hollow cylindrical Gleit Economics sakefig 16 with a central, axially extending through hole 18 (see Fig. 2 ), which is formed slightly stepped in the example shown and extends through the assembled state of the sliding anchor 10 of the anchor rod 12.
  • three recesses 20 are formed in the form of circular cylindrical bores distributed uniformly around the circumference of the sliding body cage 16, which are arranged in such a way that their jacket enveloping surface projects somewhat into the free cross section of the through opening 18.
  • a measure X which defines the distance between the center M of the through-hole 18 and the central longitudinal axis of each recess 20, is slightly smaller than the sum of the radius R of the through-hole 18 and the radius r of the recess 20.
  • the recesses 20 are arranged substantially tangentially to the lateral surface of the anchor rod 12, ie their central longitudinal axes are skewed to the central longitudinal axis of the through hole 18 and are with respect to a projection containing the central longitudinal axis of the through hole 18 and the central longitudinal axis of each recess 20, orthogonal to the central longitudinal axis of the through hole 18.
  • the three recesses 20 are thus arranged in one and the same cross-sectional plane of the Gleit stresseshanfigs 16.
  • An angle M 0 is 30 ° in the embodiment shown.
  • FIGS. 4 to 6 a second embodiment of a Gleit analyses hisfigs 16 'is shown, whose basic structure corresponds to the Gleit analyses hisfig 16.
  • the Gleit analyses hisfig 16 ' two superimposed planes, each with three recesses 20, wherein the recesses 20 of a cross-sectional plane to the recesses 20 of the other cross-sectional plane in the circumferential direction are offset so that all six recesses 20 together uniformly the circumference of the Gleit stresses Karfigs 16 'are distributed.
  • Each recess 20 is provided for receiving a here circular cylindrical slider 22 whose outer diameter matches up to usual tolerances with the diameter of the recess 20, so that completely fills the cross section of the recess 20.
  • the FIGS. 7 and 8 show the FIGS. 5 and 6 corresponding views in which in each recess 20 as described above formed sliding body 22 is arranged. As in particular from FIG. 7 Good to see, projects due to the described arrangement of the recesses 20 each slider 22 with its lateral surface something in the cross section of the through hole 18 into it. In this way, the anchor rod 12, whose outer diameter almost corresponds to the diameter of the passage opening 18, held by the sliding bodies 22 by clamping.
  • a load-transmitting armature plate 24 is provided, which is placed on the bore-input-side end of the anchor rod 12.
  • the anchor plate 24, which is also usually made of steel and is generally square, but may also have a different shape, has in the middle a through hole through which a first protective tube 26 extends.
  • the inner diameter of the protective tube 26 is greater than the outer diameter of the anchor rod 12, so that the protective tube 26 can surround the anchor rod 12 concentrically.
  • the protective tube 26 has substantially the same outer diameter as the sliding body cage 16, so that a uniform surface simplifying insertion into the bore results, but the outer diameter of the protective tube 26 can also be greater or smaller than the outer diameter of the sliding body cage 16.
  • the mounting adapter 28 has the shape of a hexagon nut, but can also be configured differently.
  • the first protective tube 26, which is fixed to the anchor plate 24 by means of the mounting adapter 28 designed as a hexagon nut, extends from the anchor plate 24 to the sliding body cage 16 (or 16 '), to which it is mounted in a force-transmitting manner.
  • a force-transmitting attachment can be done for example by welding to the Gleitschreibmaschinefig 16, just as well, the inner end of the protective tube 26 but also have an internal thread which is screwed onto a matching, the Gleit stressesurafig 16 existing external thread.
  • the Gleit stresseshorafig 16 and the first protective tube 26 may also be integrally formed with each other.
  • the first protective tube 26, which preferably consists of steel or plastic, thus provides a force-transmitting Connection between the Gleitoasarithlafig 16 (or 16 ') and the anchor plate 24 ago.
  • a cylindrical stop member 30 is fixed, the outer diameter is selected so that it is smaller than the inner diameter of the first protective tube 26 so that the stop member 30 fits into the protective tube 26, and on the other hand larger than the diameter of the passage opening 18 in the sliding body cage 16 or 16 '.
  • the free end of the anchor rod 12 has an external thread on which the stop member 30 is screwed by means of a matching internal thread formed in it.
  • an outer end face 32 of the stopper member 30 is flush with a peripheral edge 34 of the mounting adapter 28 surrounding this end face when the slide anchor 10 is set (ie, in an initial state of the slide anchor).
  • the tip of the slide anchor 10 forms a mixing and anchoring element 36 with a plurality of mixing blades 38 fastened to the bore-side end of the anchor rod 12, which firstly serves for the application of conventional two-component adhesives used for setting rock bolts, which are inserted into the bore prior to setting an anchor. to mix intimately with each other.
  • the anchor rod 12 is rotated after insertion into the bore, whereby the mixing element 36 is rotated.
  • the mixing and anchoring element 36 is based on the curing of the adhesive or mortar on the latter from, in order to prevent in this way pulling out of the armature 10 from the bore.
  • a second protective tube 40 which may be made of metal or plastic, extends from the sliding control element 14 to the mixing element 36.
  • This second protective tube 40 holds on the one hand the mass (mortar, adhesive) away from the surface of the anchor rod 12, with which the sliding anchor 10 is permanently anchored in the bore, not shown, and protects the other the anchor rod 12 against unwanted clamping or crushing loads that arise, for example, due to shifting rock plates and the anchor rod 12 can overload locally.
  • the outer diameter of the second, the anchor rod 12 concentrically surrounding the protective tube 40 is here selected smaller than the outer diameter of the first protective tube 26, so that from the introduced into the bore adhesive or mortar, which upon insertion of the armature 10 in the Bore is displaced by the mixing and anchoring element 36 in a desired manner at least partially in an area behind the element 36, a substantially hollow cylindrical adhesive or mortar plug can form, the element 36 facing end face is as large as possible to a good load-bearing To provide support for the element 36.
  • the outer diameter of the second protective tube 40 may be selected to be larger than illustrated, depending on the intended use of the sliding anchor 10.
  • FIG. 9 a second embodiment of a sliding anchor 10 is shown, in which the sliding control element 14, more precisely whose sliding body cage 16 (or 16 ') is directly connected to the mounting adapter 28.
  • the sliding control element 14 is therefore not relatively deep in the bore, in which the sliding anchor 10 is introduced in this embodiment, but in the region of the bore mouth.
  • the through-hole in the anchor plate 24 thus has a diameter which corresponds to the outer diameter of the Gleit stresses hofigs 16 and 16 'to usual tolerances.
  • the first protective tube 26 is omitted in this embodiment or is present in any case in a greatly shortened form. Instead of a short first protective tube 26 and the mounting adapter 28 may have a short neck which connects to the Gleitoasarithlafig 16 or 16 ', or may be made in one piece with the Gleitoasalafig.
  • an end portion of the anchor rod 12 protrudes through the mounting adapter 28 to the outside and is provided with color markers, whose function will be explained later in more detail.
  • a first, the mounting adapter 28 adjacent portion 42 of the protruding end portion is colored green here, an adjoining second region 44 yellow and a free end of the anchor rod 12 comprehensive third region 46 red.
  • other markings may be provided, for example uniform graduation marks in the manner of a meter rule or the like.
  • the rest of the structure of the sliding anchor 10 according to the second embodiment largely corresponds to that of the first embodiment, but the abutment element 30 is missing. However, such can be attached to the free end of the protruding end portion of the anchor rod 12.
  • the slip anchor 10 After forming a mating bore, the slip anchor 10 is inserted into the bore and anchored there by means of mortars or adhesives known to those skilled in the art. alternative the use of expandable elements for anchoring is possible and known, for example by expansion sleeves.
  • the sliding anchor 10 shown is held in particular by a plug in the bore, which is formed by a material displacement of the adhesive or mortar used behind the mixing and anchoring element 36, ie on the side of the wellbore and after curing of the material pulling out of the anchor 10th prevented from the bore.
  • the sliding anchor 10 After placing the anchor plate 24 and tightening the same by means of the mounting adapter 28, the sliding anchor 10 can then fulfill its load-bearing, stabilizing function.
  • first embodiment of the sliding anchor 10 is designated as the sliding length, by which the sliding anchor 10 can give a maximum, determined by the axial distance between the stop member 30 and the Gleit stresses 16 and 16 '. Issues the sliding anchor FIG. 1 due to increased load, the sliding body cage 16 or 16 'slips toward the stop element 30. If the sliding body cage 16 or 16 'abuts against the stop element 30, a further extension of the sliding anchor 10 is no longer possible. During the sliding operation, the stop element 30 moves from its first flush with the mounting adapter 28 position into the first protective tube 26 into it, which at a glance makes it possible to determine how far the sliding anchor has already yielded.
  • second embodiment of the sliding anchor 10 can be the already used sliding even easier "read", because the color marked areas 42, 44 and 46 disappear in a sliding of the armature 10 successively in the bore and it is only the protruding from the mounting adapter 28 part of the end portion to see. If, for example, the green area 42 has already completely disappeared, it can immediately be recognized from the still protruding yellow area 44 that a not inconsiderable rock movement must have already taken place. This applies analogously if only the red region 46 can be recognized, which indicates that the sliding anchor 10 will soon have reached the limit of its lubricity.
  • the first embodiment according to FIG. 1 be modified so that an end portion of the anchor rod 12 protrudes from the bore.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Bridges Or Land Bridges (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Dowels (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Ceramic Products (AREA)
EP08716147A 2008-02-29 2008-02-29 Verbesserter gleitanker Not-in-force EP2247827B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200830450T SI2247827T1 (sl) 2008-02-29 2008-02-29 Izboljšano drsno sidro
PL08716147T PL2247827T3 (pl) 2008-02-29 2008-02-29 Ulepszona kotwa poślizgowa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/001625 WO2009106099A1 (de) 2008-02-29 2008-02-29 Verbesserter gleitanker

Publications (2)

Publication Number Publication Date
EP2247827A1 EP2247827A1 (de) 2010-11-10
EP2247827B1 true EP2247827B1 (de) 2011-08-31

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EP08716147A Not-in-force EP2247827B1 (de) 2008-02-29 2008-02-29 Verbesserter gleitanker

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US (1) US8465238B2 (hr)
EP (1) EP2247827B1 (hr)
JP (1) JP4980469B2 (hr)
KR (1) KR20100134626A (hr)
CN (1) CN101970798B (hr)
AT (1) ATE522699T1 (hr)
AU (1) AU2008351618B2 (hr)
BR (1) BRPI0822279A2 (hr)
CA (1) CA2715794C (hr)
CL (1) CL2009000192A1 (hr)
DK (1) DK2247827T3 (hr)
ES (1) ES2371019T3 (hr)
HK (1) HK1149784A1 (hr)
HR (1) HRP20110662T1 (hr)
IL (1) IL207806A0 (hr)
MX (1) MX2010009475A (hr)
PE (1) PE20100133A1 (hr)
PL (1) PL2247827T3 (hr)
PT (1) PT2247827E (hr)
SI (1) SI2247827T1 (hr)
WO (1) WO2009106099A1 (hr)
ZA (1) ZA201005977B (hr)

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US9317656B2 (en) 2011-11-23 2016-04-19 Abbott Diabetes Care Inc. Compatibility mechanisms for devices in a continuous analyte monitoring system and methods thereof
CN106014462A (zh) * 2016-05-26 2016-10-12 孙清 一种锚索防截的方法

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ZA201005977B (en) 2011-04-28
ES2371019T3 (es) 2011-12-26
PL2247827T3 (pl) 2012-01-31
CA2715794C (en) 2013-08-13
HK1149784A1 (en) 2011-10-14
KR20100134626A (ko) 2010-12-23
JP2011513606A (ja) 2011-04-28
AU2008351618B2 (en) 2011-10-27
HRP20110662T1 (hr) 2011-11-30
IL207806A0 (en) 2010-12-30
CN101970798A (zh) 2011-02-09
US8465238B2 (en) 2013-06-18
JP4980469B2 (ja) 2012-07-18
PT2247827E (pt) 2011-09-30
DK2247827T3 (da) 2011-12-19
BRPI0822279A2 (pt) 2015-06-30
ATE522699T1 (de) 2011-09-15
SI2247827T1 (sl) 2012-01-31
CA2715794A1 (en) 2009-09-03
WO2009106099A1 (de) 2009-09-03
PE20100133A1 (es) 2010-03-03
US20110002745A1 (en) 2011-01-06
MX2010009475A (es) 2010-09-28
EP2247827A1 (de) 2010-11-10
CN101970798B (zh) 2013-04-03
CL2009000192A1 (es) 2009-12-18

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