WO2009092659A2 - Tête d'injection - Google Patents

Tête d'injection Download PDF

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Publication number
WO2009092659A2
WO2009092659A2 PCT/EP2009/050406 EP2009050406W WO2009092659A2 WO 2009092659 A2 WO2009092659 A2 WO 2009092659A2 EP 2009050406 W EP2009050406 W EP 2009050406W WO 2009092659 A2 WO2009092659 A2 WO 2009092659A2
Authority
WO
WIPO (PCT)
Prior art keywords
supply
flushing
injection head
connection
inner part
Prior art date
Application number
PCT/EP2009/050406
Other languages
German (de)
English (en)
Other versions
WO2009092659A3 (fr
Inventor
Ernst Friedrich Ischebeck
Ferdinand Coerschulte
Original Assignee
Friedr. Ischebeck 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 Friedr. Ischebeck Gmbh filed Critical Friedr. Ischebeck Gmbh
Publication of WO2009092659A2 publication Critical patent/WO2009092659A2/fr
Publication of WO2009092659A3 publication Critical patent/WO2009092659A3/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/808—Ground anchors anchored by using exclusively a bonding material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts

Definitions

  • the present invention relates to an injection head for injection drill anchors, comprising a flushing head, which has an outer housing with at least a first and a second supply port for the separate supply of supply components and a rotatably received in the outer housing relative thereto about a longitudinal axis inner part, wherein the inner part on the back a connection for a drill drive, preferably for a hammer drill, and front connecting means for connecting an anchor rod, in particular provided with outer armature thread, as well as with the first and second supply ports in connection first and second supply lines, which are directed to a line connection, which in conjunction with a lying in the region of the connection means outlet opening.
  • An injection head of this type is known in the prior art from DE 102007008966 Al. As described there, such an injection head is particularly suitable for drilling and pressing of so-called. Self-drilling Injekomsbohrankern in a ground to be stabilized, in the mountains or the like.
  • Such known per se Bohrbohranker may have at its top, for example, a separate drill bit and have a continuous in their longitudinal direction injection channel, which opens at the front anchor end usually in one or more outlet openings.
  • the terms front and back or front bottom bottom refer to the feed direction of the anchor during drilling.
  • a flushing medium for example air or water, can be supplied into the borehole through the injection channel while pressurizing.
  • a Verpressmasse can be pressed into the Bohrlochspalt surrounding the injection drill through the flushing head and the injection channel.
  • the flushing head does not serve solely for the supply of flushing media (eg water during drilling) / but also during the pressing of the armature for the supply of components of a desired grout.
  • flushing media eg water during drilling
  • armature for the supply of components of a desired grout.
  • Particularly suitable as a molding compound are so-called two-component synthetic resins, one component of which may be a resin (eg water glass) and the other component of which may be a hardener. In order to achieve that both components harden only in the borehole, they are fed to the injection head separately and meet only in a lost part connected to the injection anchor.
  • the known injection head has on its outer housing a cylindrical outer part which accommodates the two supply ports and which extends substantially along the entire length of the inner part which is rotatable therein. It is thereby achieved a simple and at the same time in view of the conditions of use also robust construction (see in particular also Fig. 4 of DE 102007008966 Al).
  • the known injection head with the continuous outer part can be held and moved in a simple manner to a carriage with the existing there, designated by the reference numeral 9 support arm.
  • sealing elements are provided for sealing the bearing gap.
  • the invention has the object, advantageously further develop an injection head of the type described above, so that in particular the aforementioned possible disadvantages are avoided as much as possible.
  • the outer housing has a first flushing ring, on which the first supply port is arranged and which the inner part surrounds at least one circumferential opening of the first supply line
  • the outer housing has a second flushing ring on which the second supply connection is arranged and which surrounds the inner part in the area of at least one circumferential opening of the second supply line
  • the first and the second flushing ring are arranged in the longitudinal direction, ie in the direction of the central longitudinal axis, spaced from each other.
  • the advantage is achieved that in the case of leaks in the sealing elements (for example the groove rings used for this purpose) the two supply components, for example two resin components, can no longer find each other unnoticed. In the event that there is a leak in a seal, this can be seen early, when resin drips from a flushing ring. Furthermore, the possible dripping also counteracts a progressive movement of the respective feed component along the outside of the inner part to the feed port of the other feed component. Depending on the operating conditions, this additional separating or sealing effect can also be intensified by the rotation of the inner part and the centrifugal forces which are effective in the process.
  • the two resin components can find each other unintentionally.
  • the axial length of the flushing rings according to the invention that is shorter in the longitudinal direction than the known outer part, they can also be produced more cheaply.
  • a preferred development is seen in the fact that the first and the second flushing ring are each secured to one of these two flushing rings in the longitudinal direction spaced apart holder, wherein the holder may preferably have an apron, which is a substantially U-profile-like, to the flushing rings has open cross-section.
  • Such a configuration provides space for the supply lines inside the U-profile-like mudguard, to connect to the supply ports, for example. Hose connections or coupling parts or the like. It is also preferred that a retaining web connecting the two U-legs is fastened to the protective plate in the region of its two longitudinal ends formed with respect to the longitudinal direction, one retaining web in each case being fastened to a flushing ring, for example screwed on / welded or the like , With regard to or within a cross-sectional plane of the U-section, there is the possibility that the retaining web attached to the opposite U-legs of the mudguard respectively in the region of their free ends / bolted / welded or the like, is.
  • flushing rings themselves is preferred that they each have on the inside an annular groove into which the outer feed connection opens.
  • the supplied under a pressure supply component is distributed within the annular groove and can enter through preferably distributed / / on the circumference of the inner part distributed openings in the associated supply line.
  • Flushing rings respectively axially (ie, in the longitudinal direction) on both sides of the Ringnutdichtungen preferably each have a U-ring inserted into an annular chamber have / associated with the rotatable inner ring sealingly cooperate.
  • the protective plate preferably its U-crosspiece, the supply ports on the circumference of the purge rings radially spaced covers. Under a corresponding cover plate, which keeps the flushing rings at a distance, the hose connections for the synthetic resin components are protected.
  • FIG. 1 shows the injection head according to the invention according to a first preferredticiansf orm in a longitudinal section, after pressing a Bohrinjetechnischsankers;
  • Figure 2 shows the arrangement shown in Figure 1, but after separation from the injection nozzle and the injection anchor.
  • FIG. 3 shows a sectional view along section line DI-IE in FIG. 2;
  • FIG. 4 shows a longitudinal section along section line IV - IV according to FIG. 2;
  • Fig. 5 is a perspective view of the arrangement shown in Fig. 2;
  • FIG. 6 shows the injection anchor shown in FIG. 1 with the injection nozzle inserted, with the representation shortened by means of breaks;
  • FIG. 7 shows an enlarged detail of detail VII in FIG. 1;
  • FIG. 8 the arrangement shown in Fig. 7, but with a new injection nozzle with still closed inlet openings and
  • FIG. 9 the end of the compressed injection anchor shown in Fig. 1, after removing the injection head according to the invention.
  • the injection head 1 according to the invention is described according to a first preferred embodiment in connection with components interacting therewith.
  • the injection head has an NEN rinsing head 2, which comprises an outer housing 3 and an inner part 4 rotatably received therein relative to a longitudinal axis A.
  • To the outer housing 3 includes a first flushing ring 5, on the outside of a first supply port 6 for supplying a first / preferably liquid supply component is mounted, and a second flushing ring 7 of the first flushing ring 5 in the longitudinal direction L (ie in the direction of the longitudinal axis A ) is held axially spaced and on the outside of a second supply port 8 is mounted for the separate supply of another, preferably liquid supply component.
  • the inner part 4 has on the rear side a connection 9 with a receiving opening 10 for receiving a connection end 11 in a rotationally positive manner from a drill drive 12 indicated only by a dashed line in its front section.
  • the inner part has connecting means for connecting an anchor rod 14 provided with an outer armature thread 13 (cf. 6) has a threaded bore 17 (see also FIGS. 2 and 4) provided with an internal thread 16 matching the anchor thread.
  • the threaded bore 17 with the internal thread 16 represents a connection means for connecting an anchor rod 14 provided with a corresponding external anchor thread 13.
  • the rotatable inner part 4 has in its interior a first supply line 18 in communication with the first supply port 6 and four second supply lines circumferentially spaced by a quarter turn and in communication with the second supply port 8 19 on.
  • the first supply line is formed from a centrally extending in the longitudinal direction L bore 20 and two of the rear end extending radially to the surface radial bores 21.
  • the first and second supply lines 18, 19 are in the direction of a common line connection 22 in the inner cavity 23 of an injection nozzle 24 directed. This is (see Figures 7 and 8) with its rearward length portion 25 in an axial extension of the threaded bore 17, ,, cross-sectionally reduced and substantially cylindrical recess 26 inserted and non-positively in the region of its front length region 27 in a channel widening 28 of the injection channel 29th the screwed into the threaded hole 17 anchor rod 14 inserted.
  • a supply line for a desired first supply component can be connected to the first supply connection 6 and supplied to the injection connection 24 through the annular groove 31 in the first rinsing ring 5, the first supply line 18 and a spring non-return valve 3O 7 arranged at the line end which opens at sufficient supply pressure ,
  • a supply line for a further desired supply component connected and this, from the first supply component separately, through the annular groove 33 in the second purge ring 7, through the second supply lines 19 and by the pressure at a sufficiently large supply opening spring check valves 32 the Injection nozzle 24 are supplied.
  • the housing 34 of the injection nozzle 24 has a prepared first predetermined breaking point 35 for forming a first inlet opening 36 (see Figure 7) for the first supply component and spaced therefrom two second predetermined breaking points 37 for forming a second inlet opening 38 (see. FIG. 7).
  • the predetermined breaking points are each formed on a wall portion 39, 40 with compared to adjacent wall portions of reduced wall thickness and are there in the range of the least wall thickness.
  • breaking point is to be understood in a broad sense and includes geometrically the possibility of a point, line or area extension. If, as shown in Figure 8, a new injection nozzle used, the predetermined breaking points are not yet broken, that is, the associated inlet openings 36, 38 are still closed.
  • the predetermined breaking points 35, 37 are each in this way dependent on the operation of the injection head.
  • the inner cavity 23 has an outlet opening 41 for the common exit of the first and the second feed components in the direction of the drilling injection anchor 15.
  • the Bohrinjekomsanker 15 is drilled to a desired depth in the wall, in which a support plate 47 (so-called collar plate) of a ball collar nut 48, which is screwed by means of internal thread to the axial stop against the rotatable inner part 4 against a provided in front of the wall 44 delay mat 49 is pressed.
  • a support plate 47 so-called collar plate
  • a ball collar nut 48 which is screwed by means of internal thread to the axial stop against the rotatable inner part 4 against a provided in front of the wall 44 delay mat 49 is pressed.
  • the preassembled unit shown in FIG. 6, which is shown in FIG. 6, is first supplied from at least one anchor rod 14 and an injection nozzle 24 and connected thereto.
  • Static mixer 50 which has a plurality of longitudinally L consecutively arranged coiled so-called baffles 51, with a surrounding, in particular separate, envelope member 52, which is, for example, to a pipe or can be a hose, inserted into the injection channel 29 and axially fixed therein in an appropriate manner with the envelope member 51 so that it forms against the flow pressure of the feed components in the injection channel 29 a flow-through, axially fixed obstacle, as it flows through the various feed components undergo intensive mixing.
  • the injection nozzle 24, shown individually in FIG. 11, was then inserted with its front longitudinal region 27, at the front side of which the outlet opening 41 is located, into a channel widening 28 of the anchor rod 14 adjoining the static mixer 50. Due to the matched diameter, the length region 27 with the cylindrically machined channel widening 28 forms a first plug-and-press connection 53, which can only be separated again by applying a relatively high, so-called first axial force.
  • the in the example rotationally symmetrical and substantially cylindrical outside of the injection nozzle 24 forms at the transition from the rear length region 25 to the front length region 27 by an abrupt reduction in cross-section of an axial stop surface 54, which forms an axial stop with the end face 55 of the anchor rod 14.
  • the inner cavity 23 is formed substantially cylindrical.
  • a second static mixer 56 is inserted and inserted against a formed with an annular step 73 of the cavity 23, rear axial stop.
  • the terms “back” and “front” (or back and front) are again based on the feed direction of the anchor rod during drilling. pulled.
  • the second static mixer 56 in the longitudinal direction L, except for a permissible slight play in the example set / , without that at its periphery a connection with the injection nozzle 24 would be necessary (nevertheless, such a compound would be additionally possible).
  • the annular step 73 forms the rearward axial stop, forward displacement by the axially fixed static mixer 50 is prevented.
  • the unit shown in Figure 6 can be pre-assembled in larger quantities and preferably supplied in particular magazined the arrangement shown in Figures 2 to 5.
  • the preassembled with the injection nozzle 24 anchor rod 14 is screwed by its anchor thread 13 into the threaded bore 17 of the rotatable inner part 4 until this (as indicated in Figure 8) at the end of the internal thread 16 and an axial stop (this may be at the rear end of the injection nozzle 24) is not possible.
  • the injection nozzle 24 is inserted with its rearward longitudinal region 25 into the essentially cylindrical recess 26 (cf., FIG. 2) in the longitudinal direction.
  • the shaping or dimensioning is selected such that the rear end face 58 (see FIG. 11) of the injection nozzle 24, at which the first predetermined breaking point 35 for the first inlet opening 36 is located, comes into axial contact with one into the inner part 4 inserted
  • the rear longitudinal region 25 of the injection nozzle 24 forms with the recess 26 in the inner part 4 a second plug-and-press connection 61, wherein the transferable from this connection 61 so-called.
  • Second axial force less than the transferable from the first male-press connection 53 first axial force is.
  • the injection nozzle 24 is a component produced in one piece from the plastic polyamide by injection molding.
  • FIGS. 3 and 4 Another special feature of the injection head shown as an embodiment is that a releasable coupling-fuse for the torque-transmitting terminal end 11 of the drill drive 12 is realized thereon.
  • a releasable coupling-fuse for the torque-transmitting terminal end 11 of the drill drive 12 is realized thereon.
  • there are two securing elements 64 which in the example are tensioning pins 65, and that the inner part 4 is perpendicular to the longitudinal direction L in a receiving opening 10 extending cross-section Q two parallel spaced through holes 66, which serve as mounting holes Serve 68 for the dowel pins, which are adapted in diameter to a releasable clamping attachment of the dowel pins.
  • Suitable dowel pins can be obtained commercially and are known in terms of their general operation.
  • the lateral spacing a of the through-bores 66 is smaller than the diameter D of the adjacent longitudinal section 67 of the receiving opening 10. This means that in Befest Trentsl.
  • a drilling drive 12 was selected, the terminal end 11 spaced behind its connection portion 69 has a circumferentially extending annular projection 70, the diameter of which in the substantially equal to the diameter D.
  • the projection 70 is replaced by the releasable securing elements 64, the meaning of a locking projection acting positively locking in a Langsterrorismionscardi (along the longitudinal direction L) the securing elements 64 in the inserted state and thereby connected with connected Bohrantriebs connection end 11 in the longitudinal direction L positive releasable Separating fuse forms.
  • connection section 69 of the drill drive connection end 11 extending up to the front free longitudinal end is provided with an external thread 71 for torque transmission, which fits into an internal thread 72 provided in a longitudinal section of the receiving opening 10.
  • FIG. 5 also shows the special feature according to the invention of a first flushing ring 5 with a first supply connection 6 for a first supply component and a second flushing ring 7 with a second supply connection 8 for the separate supply Supply of a further supply component and wherein the first and the second flushing ring 5, 7 are separate, longitudinally spaced from each other L sleeve parts.
  • the flushing rings 5, 7 have on their cylindrical inner surface a suitable for pivotal mounting of the inner part processing. Specifically, it is provided that the first rinsing ring 5 and the second rinsing ring 7 are each secured to a holder 76 which is spaced apart from one another at a fixed distance both longitudinally.
  • the holder 76 is essentially formed from a U-profile-like angled guard plate 77, which has a cross-section open to the flushing rings 5, 7 and two retaining webs 78 screwed to the protective plate.
  • the two retaining webs 78 one in each case in the region of one longitudinal end 79 of the holder 76 is suitably inserted lengthwise between the opposite U-legs 80 of mudguard 77 and secured in this position by means of a screw connection.
  • each holding web 78 has a through bore extending transversely to the longitudinal direction L.
  • a long screw 82 is inserted through, which is formed by a nut screwed end to this nut 83 a clamping connection.
  • Fig. 3 illustrates that this screw is in the illustrated cross-sectional plane of the U-section on the opposite U-legs 80 of the mudguard 77 in the region of their free ends 85.
  • Each of the two retaining webs 78 serves for fastening a respective flushing ring 5, 7, wherein this attachment in the selected example at the longitudinal ends 79 and thereby facing away from the respective other flushing ring Spülringlnature takes place.
  • Each holding web 78 has on the underside one of the cylindrical shape of the flushing rings 5, 7 adapted in radius concave recess 84, so that a flat contact against the flushing ring 5, 7 is formed.
  • each retaining web 78 is connected at the edges of this support with the associated flushing ring 5 or 7 by means of a drawing not reproduced with weld.
  • the holder 76 can be held in total, for example, on a carriage and thus moved in the manner desired for the operation.
  • both flushing rings 5, 7 each have an annular groove on the inside, which is designated by 31 or 33, into which the supply port 6 or 8 opens.
  • a groove ring 87 is inserted into annular chambers 86, so that its sealing surface is seated on the inner part 4.
  • the grooved rings 87 are inserted so that their locking or sealing direction faces from the longitudinal center of the purge rings towards the edges, i. that a seal against unintentionally moved towards the edges of liquid takes place.
  • each circumferential sealing grooves 88 are inserted, in each of which a sealing element, for example a felt ring, rests.
  • FIG. 3 makes it clear that the protective plate 77, specifically its U-crossbar 91, covers the supply ports 6, 8 at the circumference of the flushing rings 5, 7 in a radially spaced manner.
  • a protected connection space for attachment of supply lines (not shown) is formed. All disclosed features are essential to the invention.
  • the disclosure of the associated / attached priority documents (copy of the prior application) is hereby also incorporated in full in the disclosure of the application, also for the purpose of including features of these documents in claims of the present application.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

L'invention concerne une tête d'injection (1) destinée à des éléments d'ancrage pour forage par injection, présentant une tête de rinçage (2) qui comporte un carter extérieur (3), pourvu d'au moins un premier et un deuxième raccord d'alimentation (6, 8) servant à acheminer de manière séparée des composants, et une partie intérieure (4) logée dans le carter extérieur (3) de manière à pouvoir tourner par rapport à ce dernier autour d'un axe longitudinal (L). La partie intérieure présente, côté arrière, un raccord destiné à un système d'entraînement pour forage (12) et, côté avant, des moyens de raccordement pour une tige d'ancrage (14). La tête d'injection présente également une première et une deuxième conduite d'alimentation (18, 19) qui communiquent avec le premier et le deuxième raccord d'alimentation et qui sont orientées vers un raccord de conduites (22) qui communique avec un orifice de sortie situé dans la zone des moyens de raccordement. L'objectif de l'invention est d'améliorer cette tête d'injection. À cet effet, le carter extérieur (3) présente une première bague de rinçage (5) sur laquelle est placé le premier raccord d'alimentation (6) et qui entoure la partie intérieure (4) au moins au niveau d'une ouverture périphérique (42); le carter extérieur (3) présente une deuxième bague de rinçage (7) sur laquelle est placé le deuxième raccord d'alimentation (8) et qui entoure la partie intérieure (4) au moins au niveau d'une ouverture périphérique (43) de la deuxième conduite d'alimentation (19); et la première et la deuxième bague de rinçage (5, 7) sont placées à distance l'une de l'autre dans le sens longitudinal (L).
PCT/EP2009/050406 2008-01-25 2009-01-15 Tête d'injection WO2009092659A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810006234 DE102008006234A1 (de) 2008-01-25 2008-01-25 Injektionskopf
DE102008006234.0 2008-01-25

Publications (2)

Publication Number Publication Date
WO2009092659A2 true WO2009092659A2 (fr) 2009-07-30
WO2009092659A3 WO2009092659A3 (fr) 2009-10-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/050406 WO2009092659A2 (fr) 2008-01-25 2009-01-15 Tête d'injection

Country Status (2)

Country Link
DE (1) DE102008006234A1 (fr)
WO (1) WO2009092659A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013170312A1 (fr) * 2012-05-17 2013-11-21 Peter Andrew Gray Système d'injection et d'entraînement pour soutènement par boulons d'ancrage
WO2018045277A1 (fr) * 2016-09-02 2018-03-08 J-Lok Co. Système à résine pompable
US10487655B2 (en) 2015-03-03 2019-11-26 J-Lok Co. Pumpable two component resin
WO2020163916A1 (fr) * 2019-02-13 2020-08-20 Fci Holdings Delaware, Inc. Chariot d'injection de résine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200010868A1 (it) * 2022-05-25 2023-11-25 Dalla Gassa Srl Ancoraggio dielettrico perfezionato per il consolidamento di terreni

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005050929A1 (de) * 2004-10-21 2006-04-27 Minova Carbotech Gmbh Verfahren zum Setzen von Gesteinsankern
DE102007008966A1 (de) * 2006-02-24 2007-09-06 Friedr. Ischebeck Gmbh Injektionskopf

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005050929A1 (de) * 2004-10-21 2006-04-27 Minova Carbotech Gmbh Verfahren zum Setzen von Gesteinsankern
DE102007008966A1 (de) * 2006-02-24 2007-09-06 Friedr. Ischebeck Gmbh Injektionskopf

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013170312A1 (fr) * 2012-05-17 2013-11-21 Peter Andrew Gray Système d'injection et d'entraînement pour soutènement par boulons d'ancrage
US10487655B2 (en) 2015-03-03 2019-11-26 J-Lok Co. Pumpable two component resin
US11506055B2 (en) 2015-03-03 2022-11-22 J-Lok Co. Pumpable resin system
US10954787B2 (en) 2015-03-03 2021-03-23 J-Lok Co. Pumpable two component resin
US10669848B2 (en) 2016-09-02 2020-06-02 J-Lok Co. Pumpable resin system
AU2017321811B2 (en) * 2016-09-02 2019-12-19 J-Lok Co. Pumpable resin system
CN109642462A (zh) * 2016-09-02 2019-04-16 J-洛克公司 可泵送树脂系统
US10253628B2 (en) 2016-09-02 2019-04-09 J-Lok Co. Pumpable resin system
CN109642462B (zh) * 2016-09-02 2021-07-09 J-洛克公司 可泵送树脂系统
CN113404526A (zh) * 2016-09-02 2021-09-17 J-洛克公司 可泵送树脂系统、配件及岩石锚杆系统
WO2018045277A1 (fr) * 2016-09-02 2018-03-08 J-Lok Co. Système à résine pompable
WO2020163916A1 (fr) * 2019-02-13 2020-08-20 Fci Holdings Delaware, Inc. Chariot d'injection de résine
US11867061B2 (en) 2019-02-13 2024-01-09 Fci Holdings Delaware, Inc. Resin injection dolly

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Publication number Publication date
WO2009092659A3 (fr) 2009-10-08
DE102008006234A1 (de) 2009-07-30

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