CN104220668A - Method and apparatus for continuous bulbing of stranded cable - Google Patents
Method and apparatus for continuous bulbing of stranded cable Download PDFInfo
- Publication number
- CN104220668A CN104220668A CN201380006575.8A CN201380006575A CN104220668A CN 104220668 A CN104220668 A CN 104220668A CN 201380006575 A CN201380006575 A CN 201380006575A CN 104220668 A CN104220668 A CN 104220668A
- Authority
- CN
- China
- Prior art keywords
- cable
- chou
- formation mechanism
- primary importance
- fixture
- 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.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/16—Auxiliary apparatus
- D07B7/18—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes
- D07B7/187—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes for forming bulbs in ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/06—Wire-working in the manufacture of other particular articles of flexible shafts or hollow conduits, e.g. for Bowden mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D21/006—Anchoring-bolts made of cables or wires
Abstract
A method of forming a bulb in a cable bolt includes providing cable from a cable source, advancing the cable in a first direction, and forming a bulb in a portion of the cable while the portion of the cable is continuously advanced and while the cable is continuously provided from the cable source.
Description
The cross reference of related application
This application claims the U.S. Provisional Application No.61/590 submitted on January 24th, 2012, the priority of 010, the full content of this U.S. Provisional Application incorporated herein by reference.
Technical field
The present invention relates to cable anchor pole (cable bolt), relating to the method and apparatus for forming chou in strands cable anchor pole particularly.
Background technology
Cable anchor pole is because being easy to process and installing and be used in mining industry.Cable anchor pole is easier to install in the borehole than the elongate rod of conventional rod bolt system usually.Regardless of the limitation in height in mine, cable anchor pole all can be applicable to the boring of any length because of its flexibility.Because the intensity of cable or bearing capacity exceed intensity or the bearing capacity of conventional rod bolt, therefore cable is preferably strengthen mode for some roof condition.
Usually in the following manner cable anchor pole is installed: the resin box comprising catalyst and adhesive material is placed on the blind end of boring, cable anchor pole is inserted in boring so that the upper end of cable anchor pole tear resin box and in the endless belt making resin flow between boring and cable anchor pole, rotary cable anchor pole is with hybrid resin catalyst and resin binder and allow resin solidification around cable anchor pole.In this type of cable anchor pole, resin is solidificated in the top being positioned at the blind end of boring of cable anchor pole usually.Cable anchor pole is formed with one or more chou usually to strengthen the combination between anchor pole and resin.
Summary of the invention
In one embodiment, a kind of method forming chou in cable anchor pole comprises: provide cable from cable source, make described cable advance along first direction and providing described cable continuously from described cable source and forming chou described part at described cable while making a part for described cable advance continuously.
Chou can be formed along with cable moves by making chou formation mechanism.The method can also comprise by making cutter sweep while cable is advanced continuously, cable be cut into predetermined length along with cable moves.Cutter sweep can have primary importance and the second place isolated with primary importance, and cutter sweep moves between the first position and the second position while cable is cut into predetermined length.Cable source can comprise the reel with one section of cable, and can provide cable from the inside of reel.Chou formation mechanism can primary importance and and the isolated second place of primary importance between move, and chou formation mechanism formation chou while move to the second place from primary importance.The method can also comprise and will cut into the winding of the cable after predetermined length on the winder.After formation chou, chou formation mechanism can move to primary importance from the second place.The method can also be included in the isolated each several part of cable and form multiple chou.Chou formation mechanism can comprise the first fixture and the second fixture, and this first fixture engages cable in chou formation mechanism along with when cable moves, and this second fixture moves to form chou relative to the first fixture.Cable can be advanced via driving mechanism.Can advance continuously until cable is cut into predetermined length from the whole part of the cable of cable source extension.
In another embodiment, a kind of device for forming chou in cable anchor pole comprises: driving mechanism, and it is configured to one section of cable is advanced continuously; And chou formation mechanism, its can along by primary importance and and the isolated second place of described primary importance between the longitudinal axis that limits of described one section of cable move.Described chou formation mechanism is configured on described cable, form chou while along with the cable movement of advancing.
This device can also comprise cable source, and this cable source is configured to provide one section of cable.One section of cable extends to driving mechanism and extends to chou formation mechanism from driving mechanism.This device can also comprise cutter sweep, and this cutter sweep is configured to one section of cable to cut into predetermined length.Cutter sweep can primary importance and and the isolated second place of primary importance between move.Chou formation mechanism can comprise the first fixture and the second furniture, and this first fixture structure is for engaging cable in chou formation mechanism along with when cable moves, and this second fixture can move to form chou on cable relative to the first fixture.Chou formation mechanism can comprise motor and move between the first position and the second position to make chou formation mechanism.
Accompanying drawing explanation
Fig. 1 is the explanatory view of the device for forming chou in cable anchor pole according to an embodiment of the invention, shows the primary importance of chou formation mechanism and the primary importance of cutting mechanism.
Fig. 2 A is the explanatory view of cable roll according to another embodiment of the invention.
Fig. 2 B is the explanatory view of drum mechanism built according to another embodiment of the invention.
Fig. 3 is the explanatory view of Fig. 1 shown device, shows the second place of chou formation mechanism and the second place of cutting mechanism.
Fig. 4 is the plan view of chou formation mechanism according to an embodiment of the invention, shows the cable anchor pole formed before chou.
Fig. 5 is the plan view of the formation mechanism of chou shown in Fig. 4, shows the cable anchor pole formed after chou.
Detailed description of the invention
Hereinafter, for purposes of illustration, term " on ", D score, " right side ", " left side ", " vertically ", " level ", " top ", " bottom " and derivative thereof should be related to the present invention according to sensing in the accompanying drawings.It is to be understood, however, that: unless otherwise clearly contrary description, otherwise the present invention can have various optional modification and sequence of steps.It is also to be understood that: shown in the drawings and concrete device that is that describe in book described below and process are only exemplary embodiments of the present invention.Therefore, relevant to disclosed embodiment in this article concrete size and other physical characteristic should not be considered to restrictive.
Referring to figs. 1 to Fig. 3, device 10 for forming chou in cable anchor pole comprises reel 12, reel 12 has the one section of strands cable 14 be wrapped on reel 12, and device 10 is constructed by and reel 12 is rotated along shown direction A release cable from reel 12.Advance from the outside of reel 12 although cable 14 is shown as, but cable 14 also can be wound into cable 14 is advanced from the center of cable circle as shown in Figure 2 A or circle eye.Driving mechanism 16 receiving cable 14 and be configured to cable 14 is advanced along the direction corresponding with the longitudinal axis of cable 14.Driving mechanism 16 comprises the measurement mechanism (not shown) such as such as a set of meter wheel, and this measurement mechanism allows length along cable 14 with predetermined or variable gap-forming chou.Especially, measurement mechanism can comprise the encoder wheel by the cable actuated of movement, and this encoder wheel comprises the optical pickocff providing light pulse according to each rotation of encoder wheel.The rotation amount (number of turns) that the length that cable 14 is advanced is lived through by encoder wheel is determined.Programmable logic controller (PLC) (PLC) (not shown) detects cable 14 and has travelled the moment of certain length and to have controlled device thus along the length of cable 14 with predetermined or variable gap-forming chou 20.
Refer again to Fig. 1 to Fig. 3, chou formation mechanism 18 forms one or more chou 20 from driving mechanism 16 receiving cable 14 and according to the control of PLC or other suitable mechanism along the length of cable 14.Chou formation mechanism 18 is arranged on to mark on 22 sliding frames schematically shown, and makes chou formation mechanism 18 can move to allow chou formation mechanism 18 to advance with cable 14 along direction B shown in corresponding with the longitudinal axis of the cable 14 of advancing.Especially, chou formation mechanism 18 is constructed by move with cable 14 while formation chou 20 and on cable 14, forms chou 20 while cable 14 is advanced continuously.In one embodiment, chou formation mechanism 18 comprises the unification of joint cable 14 separably to mark 24 a pair fixture represented.A fixture in fixture 24 can move to tie a knot to the strand of cable 14 relative to another fixture, thus forms chou 20 in cable 14.When PLC starts chou formation sequence, chou formation mechanism 18 to be clamped on cable 14 and to advance with cable 14 while the particular location determined by measurement mechanism and PLC forms chou 20.
After formation chou 20, chou formation mechanism 18 departs from cable 14 and chou formation mechanism 18 moves to its original position.Therefore, at the end of chou formation mechanism 18 has primary importance (as shown in Figure 1) when chou formation sequence starts and chou formation sequence with the isolated second place of primary importance (as shown in Figure 3).After defining chou 20, chou formation mechanism 18 turns back to primary importance.Because chou formation mechanism 18 can move, so reel 12 and driving mechanism 16 can be handled continuously, make cable 14 advance continuously and any part of cable 14 can not be made to stop, thus form chou 20.Owing to need not starting and stop to provide the drive motor (not shown) of power to reel 12 and driving mechanism 16 and there is not break period in the process forming chou 20, therefore this continued operation improves the efficiency that chou forms operation.
Refer again to Fig. 1 and Fig. 3, in one embodiment, after defining one or more chou 20, cable 14 continues through cutter sweep 26 (such as amputating saw, but also can use other suitable cutter sweep).Cutter sweep 26, to be arranged in sliding stand structure 28 the similar mode of mode that chou formation mechanism 18 describes hereinbefore, makes cutter sweep 26 can move along direction C shown in corresponding with the longitudinal axis of the cable 14 of advancing.Cutter sweep 26 is configured to automatically the cable 14 forming chou be cut into predetermined length, then bundlees as marked shown in 30 the cable 14 after cutting and packs.In another embodiment, as shown in Figure 2 B, cable 14 can also arrive through cutter sweep 26 and recoil up-coiler 32, to allow along the longer cable anchor pole forming chou of the winding of direction D shown in up-coiler 32.At the end of cutter sweep 26 has primary importance (as shown in Figure 1) when cutting process starts and cutting process with the isolated second place of primary importance (as shown in Figure 3).After executing cutting process, cutter sweep 26 turns back to primary importance.The motion of cutter sweep 26 allows cable 14 to advance continuously, thus allows cable 14 to have positive speed in whole process.
With reference to figure 4 and Fig. 5, illustrate in greater detail an embodiment of chou formation mechanism 18.Chou formation mechanism 18 is supported by the framework 40 with pair of parallel tooth bar 42.Chou formation mechanism 18 comprises the first fixture group 44 be fixedly mounted on pedestal 46 and the second fixture group 48 be arranged on movably on pedestal 46.Second fixture group 48 is supported by slide bushing 50 and axle construction 52.Fixture group 44,48 comprises hydraulic operated a pair claw respect to one another 54,56 separately, and claw 54,56 can engage cable 14 separably.But, other suitable clamp structure also can be used to clamp cable 14.Double acting hydraulic cylinder 58,60 is used to activate the first fixture group 44 and the second fixture group 48, to be clamped in by cable 14 between first fixture group 44 and the second fixture group 48.Also can substitute double acting hydraulic cylinder 58,60 with single-action hydraulic cylinder, this single-action hydraulic cylinder activates the first fixture group 44 and the second fixture group 48 to be clamped in by cable 14 between first fixture group 44 and the second fixture group 48.
Chou formation mechanism 18 comprises the actuator 62 in hydraulic piston form, and one end of actuator 62 is fixedly mounted on pedestal 46 that the other end of actuator 62 is arranged in the second fixture group 48 movably.In chou forming process, piston 62 realizes the motion of the second fixture group 48 towards the first fixture group 44.As selection, single actuator 62 can be substituted by two actuators being positioned at the both sides of cable 14, and the one end of each actuator in these two actuators is fixedly mounted on pedestal 46 that the other end of each actuator is arranged in the second fixture group 48 movably.Other power sources such as such as electric power can be used to provide power to actuator.
Chou formation mechanism 18 comprises driven front pinion 64 and complementary a pair unloaded rear pinion 66 with one group of parallel rack 42 gears meshing, to make fixture group 44,88 can move with cable 14 in above-mentioned chou forming process.Front pinion 64 preferably by capable of reversing, variable-ratio and the hydraulic motor 68 with built-in brake drive.Capable of reversing, variable-ratio and the motor with brake also may be used for this object.Although chou formation mechanism 18 is arranged on framework 40 movably, but chou formation mechanism 18 also can be arranged on the top board guide rail or other suitable structure that extend abreast with cable 14 movably.Chou formation mechanism 18 comprises one or more proximity sensor (not shown) of the radial displacement for measuring the chou be formed in cable.Chou formation mechanism 18 also comprises the encoder 70 moved along tooth bar 42 for controlling pinion 64,66.
In use, cable 14 is advanced and across the length of framework 40, a part for cable 14 extends through the claw 54,56 of the first fixture group 44 and the second fixture group 48.Then, as shown in Figure 4, oil pressure is applied on double acting hydraulic cylinder 58,60, respectively cable 14 is clamped between the first fixture group 44 and the claw 54,56 of the second fixture group 48.Then, as shown in Figure 5, actuation hydraulic piston 62, to make the second fixture group 48 move towards the first fixture group 44, thus forms chou 20 in cable 14.When cable 14 is clamped by the first fixture group 44 and the second fixture group 48, hydraulic motor 68 driving pinion 64 moves with cable 14 along the direction corresponding with the longitudinal axis of cable 14 to make chou formation mechanism 18.Therefore, the formation chou 20 of cable 14 partial continuous advance.Can PLC be utilized to control the radial displacement of cable 14 by the radial displacement using one or more proximity sensor (not shown) to limit chou 20.After formation first chou, oil pressure is applied on hydraulic cylinder 58,60, to unclamp cable 14 from the claw 54,56 of the first fixture group 44 and the second fixture group 48.Then, as shown in Figure 4, oil pressure is applied to the top side of hydraulic piston 62, from and the second fixture group 48 is moved back into its original position.After chou forming process, chou formation mechanism 18 is in the said second position shown in Fig. 3.Then, motor 68, along tooth bar 42 driving pinion 64, chou formation mechanism 18 is moved to the above-mentioned primary importance shown in Fig. 1, thus carries out another chou forming process.Although usually refer to primary importance and the second place, but chou formation mechanism 18 can form one or more chou 20 in the precalculated position while cable 14 is advanced continuously as required on cable 14.
Above-mentioned chou formation mechanism 18 shown in the drawings can adopt other form, as long as can move for the formation of the mechanism of chou and advance with allowing the partial continuous of the formation chou of cable.Especially, chou formation mechanism 18 can be embodied as the people such as Evans U.S. Patent Application Publication No.2011/0259072 and authorize the U.S. Patent No. 5 of Hedrick, 344,256 and No.6,820, the chou formation mechanism disclosing in 657 and describe, the full content of above-mentioned patent application and patent all incorporated herein by reference.
Although for purposes of illustration and describe in detail the present invention based on being considered to the most practical and most preferred embodiment at present, but it is to be understood that such details is only for purposes of illustration and the invention is not restricted to the disclosed embodiments, on the contrary, this invention is intended to contain the modification in the main idea falling into this description and scope and equivalent structure.Such as, it is to be understood that the present invention's imagination is within the bounds of possibility, one or more features of any one embodiment can with one or more integrate features of other embodiment any.
Claims (20)
1. in cable anchor pole, form a method for chou, comprising:
Cable is provided from cable source;
Described cable is advanced along first direction; And
Thering is provided described cable continuously from described cable source and forming chou in a described part at described cable while making a part for described cable advance continuously.
2. method according to claim 1, wherein, forms described chou by making chou formation mechanism along with described cable moves.
3. method according to claim 1, also comprises by making cutter sweep while described cable is advanced continuously, described cable be cut into predetermined length along with described cable moves.
4. method according to claim 3, wherein, described cutter sweep has primary importance and the second place isolated with described primary importance, and described cutter sweep moves while described cable is cut into described predetermined length between described primary importance and the described second place.
5. method according to claim 1, wherein, described cable source comprises the reel with one section of cable, and provides described cable from the inside of described reel.
6. method according to claim 2, wherein, described chou formation mechanism can primary importance and and the isolated second place of described primary importance between move, and described chou formation mechanism formation described chou while move to the described second place from described primary importance.
7. method according to claim 3, also comprises and will cut into the described cable winding after predetermined length on the winder.
8. want the method described in 6 according to right, wherein, after the described chou of formation, described chou formation mechanism moves to described primary importance from the described second place.
9. method according to claim 1, is also included in the isolated each several part of described cable and forms multiple chou.
10. method according to claim 2, wherein, described chou formation mechanism comprises the first fixture and the second fixture, described first fixture engages described cable in described chou formation mechanism along with when described cable moves, and described second fixture moves to form described chou relative to described first fixture.
11. methods according to claim 1, wherein, described cable is advanced via driving mechanism.
12. methods according to claim 3, wherein, advance until described cable is cut into described predetermined length to the whole partial continuous of the described cable extended from described cable source.
13. 1 kinds, for forming the device of chou in cable anchor pole, comprising:
Driving mechanism, it is configured to one section of cable is advanced continuously; And
Chou formation mechanism, its can along by primary importance and and the isolated second place of described primary importance between the longitudinal axis that limits of described one section of cable move, wherein, described chou formation mechanism is configured on described cable, form chou while along with the cable movement of advancing.
14. devices according to claim 13, also comprise cable source, and described cable source is configured to provide one section of cable.
15. devices according to claim 14, wherein, described one section of cable extends to described driving mechanism and extends to described chou formation mechanism from described driving mechanism.
16. devices according to claim 13, also comprise cutter sweep, and described cutter sweep is configured to one section of cable to cut into predetermined length.
17. devices according to claim 16, wherein, described cutter sweep can primary importance and and the isolated second place of described primary importance between move.
18. devices according to claim 13, wherein, described chou formation mechanism comprises the first fixture and the second fixture, described first fixture structure is that described second fixture can move to form chou on described cable relative to described first fixture in described chou formation mechanism along with engaging described cable when described cable moves.
19. devices according to claim 18, wherein, described chou formation mechanism comprises motor and moves between described primary importance and the described second place to make described chou formation mechanism.
20. devices according to claim 19, also comprise cable source, and described cable source is configured to provide one section of cable, and wherein, described one section of cable extends to described driving mechanism and extends to described chou formation mechanism from described driving mechanism.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261590010P | 2012-01-24 | 2012-01-24 | |
| US61/590,010 | 2012-01-24 | ||
| US13/746,432 | 2013-01-22 | ||
| US13/746,432 US20140033782A1 (en) | 2012-01-24 | 2013-01-22 | Method and Apparatus for Continuous Bulbing of Stranded Cable |
| PCT/US2013/022646 WO2013112516A1 (en) | 2012-01-24 | 2013-01-23 | Method and apparatus for continuous bulbing of stranded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104220668A true CN104220668A (en) | 2014-12-17 |
Family
ID=48873845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380006575.8A Pending CN104220668A (en) | 2012-01-24 | 2013-01-23 | Method and apparatus for continuous bulbing of stranded cable |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20140033782A1 (en) |
| EP (1) | EP2807303A4 (en) |
| CN (1) | CN104220668A (en) |
| AU (1) | AU2013202779B2 (en) |
| CA (1) | CA2862310A1 (en) |
| CL (1) | CL2014001809A1 (en) |
| WO (1) | WO2013112516A1 (en) |
| ZA (1) | ZA201404312B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749140A (en) * | 1970-07-02 | 1973-07-31 | M Debry | Machine for the automatic continuous manufacture of reinforcements |
| US4563802A (en) * | 1979-07-12 | 1986-01-14 | Benteler-Werke Ag | Method and apparatus for the production of exhaust pipes for automotive vehicles |
| US5522561A (en) * | 1992-06-03 | 1996-06-04 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic cable payout system |
| US20060054748A1 (en) * | 2004-09-13 | 2006-03-16 | Dywidag-Systems International Pty Limited | Apparatus and method for manufacturing a rock bolt |
| US20080078226A1 (en) * | 2006-10-03 | 2008-04-03 | Antonios Anagnostopoulos | System and process for production of three-dimensional products from wire |
| US7562550B2 (en) * | 2005-02-17 | 2009-07-21 | Jennmar Corporation | Cable bulbing apparatus and method for forming bulbs in a cable bolt |
| WO2010071935A1 (en) * | 2008-12-24 | 2010-07-01 | Dywidag-Systems International Pty Limited | Apparatus and method for manufacturing a cable bolt |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4203740C2 (en) * | 1992-02-09 | 1996-07-11 | Dyckerhoff & Widmann Ag | Method for producing an anchor element from a strand made of twisted steel wires |
| AU2008264210B2 (en) * | 2005-02-17 | 2016-05-05 | Fci Holdings Delaware, Inc. | Cable Bulbing Apparatus and Method for Forming Bulbs in a Cable Bolt |
| KR101151552B1 (en) * | 2009-11-26 | 2012-05-30 | 이민호 | Apparatus of Forming Bulbed Cable |
-
2013
- 2013-01-22 US US13/746,432 patent/US20140033782A1/en not_active Abandoned
- 2013-01-23 EP EP13740911.6A patent/EP2807303A4/en not_active Withdrawn
- 2013-01-23 AU AU2013202779A patent/AU2013202779B2/en not_active Ceased
- 2013-01-23 CA CA2862310A patent/CA2862310A1/en not_active Abandoned
- 2013-01-23 CN CN201380006575.8A patent/CN104220668A/en active Pending
- 2013-01-23 WO PCT/US2013/022646 patent/WO2013112516A1/en active Application Filing
-
2014
- 2014-06-11 ZA ZA2014/04312A patent/ZA201404312B/en unknown
- 2014-07-08 CL CL2014001809A patent/CL2014001809A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749140A (en) * | 1970-07-02 | 1973-07-31 | M Debry | Machine for the automatic continuous manufacture of reinforcements |
| US4563802A (en) * | 1979-07-12 | 1986-01-14 | Benteler-Werke Ag | Method and apparatus for the production of exhaust pipes for automotive vehicles |
| US5522561A (en) * | 1992-06-03 | 1996-06-04 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic cable payout system |
| US20060054748A1 (en) * | 2004-09-13 | 2006-03-16 | Dywidag-Systems International Pty Limited | Apparatus and method for manufacturing a rock bolt |
| US7562550B2 (en) * | 2005-02-17 | 2009-07-21 | Jennmar Corporation | Cable bulbing apparatus and method for forming bulbs in a cable bolt |
| US20080078226A1 (en) * | 2006-10-03 | 2008-04-03 | Antonios Anagnostopoulos | System and process for production of three-dimensional products from wire |
| WO2010071935A1 (en) * | 2008-12-24 | 2010-07-01 | Dywidag-Systems International Pty Limited | Apparatus and method for manufacturing a cable bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140033782A1 (en) | 2014-02-06 |
| WO2013112516A1 (en) | 2013-08-01 |
| CA2862310A1 (en) | 2013-08-01 |
| ZA201404312B (en) | 2015-08-26 |
| CL2014001809A1 (en) | 2014-09-26 |
| AU2013202779B2 (en) | 2016-01-21 |
| EP2807303A4 (en) | 2016-02-17 |
| EP2807303A1 (en) | 2014-12-03 |
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Effective date of abandoning: 20171117 |
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