CN103688003A - Anchoring system between a concrete component and a steel component - Google Patents
Anchoring system between a concrete component and a steel component Download PDFInfo
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- CN103688003A CN103688003A CN201280027003.3A CN201280027003A CN103688003A CN 103688003 A CN103688003 A CN 103688003A CN 201280027003 A CN201280027003 A CN 201280027003A CN 103688003 A CN103688003 A CN 103688003A
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- steel
- anchor
- concrete
- anchor system
- concrete component
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
- E04C3/294—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete of concrete combined with a girder-like structure extending laterally outside the element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/065—Light-weight girders, e.g. with precast parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Reinforcement Elements For Buildings (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to an anchoring system for forming a non-releaseable connection between a concrete component (1), which has reinforcement comprising at least one steel bar mesh, and a steel component (3), wherein at least one anchoring element formed of an anchor strip (2) is cast into the concrete component (1) in such a way that at least one connecting surface projects at least partially from the concrete component (1). The object of the invention is to improve the loadability of the anchoring. For this purpose, according to the invention, the anchor strip (2) has a number of recesses which extend at least partially into the concrete component (1) and which are each traversed by at least one steel bar (10) of the steel bar mesh.
Description
The present invention relates to a kind of for forming the inseparable anchor system being connected between concrete component and steel member.The invention still further relates to the steel concrete-steel-structure forming thus.
The modification of this concrete material and especially steel concrete is used in a lot of aspects as constructional materials.Yet under many circumstances, this constructional materials is not used individually, but use in conjunction with other constructional materials.Wherein, common single parts or whole assembly are manufactured by concrete or steel concrete, and additional parts or assembly are manufactured by the other materials of for example steel and so on.Single parts or assembly must interconnect when combination.Here, usually use so-called anchoring.
According to prior art, known corresponding anchoring or the anchor system with different modification.The design of this anchoring or anchor system is depended on substantially: which kind of load which material mutually combination and anchoring or anchor system bears.
In austrian patent application AT505269A1, disclose a kind of anchor system, this anchor system designed to be used especially by concrete member anchoring to girder steel, also can on steel member, carry out anchoring.Correspondingly, the rhabodoid consisting of steel is as anchoring element and have at least one recess for this reason.Utilize this recess, anchoring element is projected in concrete component, and in a side relative with this recess of this anchoring element, this anchoring element and girder steel is welded.Yet the maximum load that this anchoring allows is inadequate for some applicable cases.
Therefore, task of the present invention is, develops the anchor system in particular for connection concrete component and steel member further improved and that more can bear a heavy burden in addition.
This task will creatively be solved by the Feature Combination of claim 1.Dependent claims comprise part of the present invention based on this object and part for self creative improvement project.
According to wherein a kind of theory of anchor system of the present invention for constructing inseparable connection between concrete component and steel member.Here the anchoring element at least one being consisted of anchor pole is poured in concrete component, makes anchoring element outstanding from concrete component at least in part.The part exposing is as the joint face of steel member, and is fixedly connected with this steel member.In a side of joint face, at anchor pole place, be provided with a plurality of recesses that extend in concrete component.In concrete component, introduce at least one steel mesh reinforcement as reinforcing bar, wherein, the recess of each anchor pole is run through by least one steel bar of reticular part.By this way, the power acting on steel member is delivered on the reinforcing bar of concrete component by anchoring element.Therefore, active force less acts on part, and can correspondingly by concrete component, be absorbed better.Thus, compare with other anchor system, especially the anchoring ability with respect to tensile stress is improved significantly.
According to preferred embodiment, each recess is separated into joint face at least two subregions that are separated from each other on space.Therefore when producing anchor pole, each recess is comprised in anchor pole as the side-facing depressions of easy realization.With regard to manufacture, by anchor pole is connected with steel member, that is: each recess is filled a kind of ring, and at least one steel bar of steel mesh reinforcement is through this ring.The ring so forming plays the effect that is similar to preferred tie point or the preferred power passing interface between concrete component and steel member.Thus, can realize preferred tie point and the equally distributed tie point of very most amounts.Then, also corresponding realizable force is equably delivered to act on reinforcing bar and thus and acts on concrete from acting on steel member.
For the preferred anchor pole of other embodiment, at this anchor pole place, each recess has tetragonal profile or symmetrical trapezoidal profile.In the situation that other very simply and therefore saves the cost of production of anchor pole, these forms are favourable.
In addition the profile strip of cross section that, has L shaped, T shape or an I shape when use is favourable during as anchor pole.On the one hand, this cross section causes the effect similar with barb, that is to say, and the better maintenance effect of anchor pole in concrete, and on the other hand, also can when the initial product for the production of anchor pole, use the standard sections of commercial standard (CS).I shape, U-shaped, double-T and Z-shaped profile strip are suitable for producing two anchor poles in manufacture process as initial product.By the section extending along anchor pole longitudinal direction, medially pass this profile strip, always produce two same anchor poles with the sectional pattern along bar longitudinal direction relativity shift complimentary to one another, this profile strip comprises the sectional pattern corresponding with having denture quadrangle tooth or stepped tooth.
Because be mainly designed to guarantee high as far as possible load limit according to the anchor system of invention, so anchor pole is preferably formed from steel, and especially by ferritic steel or austenitic steel, made.In this respect, when each anchor pole is connected and especially welds in the sealed mode of material with corresponding steel member, be considered to correspondingly to have advantage.
Due to its load capacity, according to anchor system of the present invention, be also applicable to build reactor safety container, reservoir pressure device or storage container.According to typical construction method, these containers are built by concrete component arrangement of reinforcement and prestrain, and this concrete component forms concrete sheath.On the medial surface of this concrete sheath, be provided with the steel sheath that is also expressed as lining being comprised of a plurality of steel members, this steel member has been guaranteed the sealing of steel sheath.By anchoring according to the present invention, steel member is finally connected with steel member in inseparable mode.
For the security requirement of reactor safety container (containment vessel), the steel sheath that is also expressed as containment vessel lining of design and construction reactor safety container has a very big significance.For stable stress and rigidity, with different standards and criterion, define the very high requirement to anchoring.Anchoring must be born power and the load occurring in normal operating and occur in the situation that having an accident, and avoids producing the diffusion of slight crack/slight crack in steel sheath simultaneously.As now known, when steel sheath, anchoring and armored concrete are during in the acting in conjunction of anchorage depth place, can effectively realize these requirements.In this respect, anchor system according to the present invention provides efficiency to greatest extent.
In order to understand better, briefly current common anchor system is studied again here.
Design and the structure of the system of the anchoring for steel sheath of using up to now, the use based on L shaped, T shape or Z-shaped standard sections conventionally, this standard sections does not directly insert in concrete and is soldered to steel sheath place to make the form changing.This system has following described shortcoming:
1. in the situation that adopting continuous weld in section bar both sides, anchoring section bar is directly soldered to steel sheath place conventionally.The welding is here artificial realization conventionally.Here for the situation of containment vessel, the length of all weld seams is added up and is reached several kilometers.The artificial welding job here causes expensive.
2. the degree of depth of anchoring section bar (profile height) conventionally surpasses 70mm and surpasses thus the minimum value (=30-40mm) of the required thickness of concrete cover.Steel bar layer only can be placed in the rear (below) of anchoring section bar.Reduced thus the maximum deflection ability of reinforced-concrete cross section.
3. continuous anchoring section bar presents for concrete mobile physical property obstacle in the casting cycle of single section bar.
4. in the situation that the interface not providing for reinforcing bar, anchoring section bar is only embedded into concrete clad.Thus, the load capacity of anchoring is lowered for acting on normal direction on embedded concrete and lateral thrust.By the result of making great efforts in a large number to draw, shown, before concrete inefficacy appears at the inefficacy of anchoring section bar.
Here be also expressed as the anchor system of the recommendation of " bushing-type anchor system ", the anchoring section bar (anchor pole) being provided with for the recess of reinforcing bar by specially-shaped provides better anchoring of steel sheath (lining), and this anchoring section bar has been realized according to cooperating between the reinforced-concrete of actual assembled architecture mode (composite construction) and anchoring section bar.Its balance anchor system and improved the efficiency of anchoring.Especially in the mode of classifying, provide its advantage below:
1. can be due to the shortening of regular fracture and consequent joint face according to anchor system of the present invention by using, and in the situation that not seriously undermining anchor pole-straight line-connections, realization reduces the length of required weld seam more than 3 times.Reach simultaneously and reduce at present for the required time of the production part of pre-installation steel sheath and also reduce the effect for the cost of welding job.These save the expense that obviously surpasses the layout of initial section bar.
2. anchor system according to the present invention has been realized: in the situation that consider the minimum concrete cover of requirement, part reinforcing bar is placed in the gap between the continuous inside lintel of anchoring section bar and joint face place is externally connected thus steel sheath.In addition this system has improved the flexural strength of concrete cross section.
3. the recess in the anchoring section bar in corresponding shaping and avoided the generation of continuous physical property obstacle, this obstacle stops concrete flowing in casting cycle.
4. the crossing reinforcing bar in anchoring section bar connection/integrated at least two positions that used.This has improved anchoring ability and has allowed to realize the ability of section bar and the balance between steel concrete.
5. anchoring section bar is connected integratedly with reinforcing bar, has produced the more high stability of steel sheath during casting concrete.
On the whole, the anchor system with the anchoring section bar of specially-shaped according to the present invention provides effective solution for section bar being embedded in to concrete, combines for the interface of the optimization of reinforcing bar and combines for the very large saving space of cost of production and production time aspect simultaneously.In addition, by using this system to improve the efficiency of the anchoring of steel sheath.It both can be for reactor vessel and other safety containers (reactor shell) and gas-and liquid storage container, also can be for reservoir pressure device.
By accompanying drawing, with embodiment, further describe the present invention below.In accompanying drawing:
Fig. 1 shows the longitudinal plan of building in the mode of dissecing, that is, and and according to the longitudinal plan of the reactor-reactor shell of anchor system of the present invention;
Fig. 2 is lateral view and the cross-sectional view of the section bar anchor pole of two commercial standard (CS)s; And
Fig. 3 is the lateral view with the U-shaped section bar anchor pole of proposed line of cut.
The parts that correspond to each other are all being used identical Reference numeral in accompanying drawing.
Figure 1 illustrates the operating principle according to anchor system of the present invention.Here the longitudinal plan of partial display shows concrete component 1, this concrete component 1 by least one anchor pole 2 using inseparable mode with also as the steel member 3 according to plane steel plate form design shown in bush metal plate, be connected.A plurality of such anchor poles 2 can be arranged at a certain distance adjacent to each other perpendicular to view plane, yet this is not illustrated in this view.
Be provided with in this embodiment using half of section steel bar as anchor pole 2, this anchor pole 2 can be manufactured by dividing the standard sections 4,5 of the commercial criterion shown in Fig. 2 and Fig. 3 equally.Here realized corresponding standard sections 4,5 has been cut off along the line of cut 7 substantially extending on the longitudinal direction 6 of anchor pole.Preferably be chosen as, along the two half-unit of section bar by being configured to denture form by recess or gap tooth separated from one another.Both for tooth is also for the backlash of denture is exemplarily chosen as symmetrical tapered in form.Thus likely, only by a procedure, just can manufacture two available anchor poles 2 simultaneously.These two anchor poles 2 can be considered to be identical substantially.They are only distinguished from each other by the skew of the denture on the longitudinal direction 6 of anchor pole.In order to separate standard sections 4,5, can use respectively suitable segregation method, for example: the method that cutting, shearing, punching press and for example laser cutting are used.
Owing to using standard sections 4,5 when producing, therefore each anchor pole 2 has the spats 8 of the strip that corresponding upper flange or lower flange by standard sections form, spats 8 is preferably formed by plane and the recess of tooth, that is: outwards outstanding perpendicular to view plane, this spats is placed in concrete component 1 and is therefore similar to barb and works in the end-state of the installation of anchor system.In order to improve stability and the anti-twist intensity of anchor pole 2, transversely the recess of direction 11 is not to be fully inserted into spats 8 places, but makes it retain respectively the narrow lintel 13 being connected with spats.
Under the concrete installation end-state of concrete component 1, except spats 8, the equally very large part extruding of other anchor pole main body is sealed or sealed.The exterior extremity of only having the tooth of denture, namely crown 9 is outstanding from concrete component 1.The crown 9 coming out is used as the parts of joint face in anchor system according to the present invention.With regard to manufacturing process, by welding, melting welding or bonding, at the parts place of joint face, form respectively the sealed connection of material between anchor pole 2 and steel member 3.Weld seam is preferably set at the active edge place of anchor pole 2 and steel member 3 here two-sidedly.Due to the recess between tooth, therefore the total length of 6 joint face 9 only has approximately 1/3 of anchor pole 2 total lengths in a longitudinal direction.
Using the reticular part being formed by steel bar 10 as reinforcing bar, be received in the concrete component 1 of this embodiment.This reticular part has a plurality of layers, and these a plurality of layers are stacking mutually along horizontal direction 11 with the sequence ABAB replacing.In Fig. 1, show definitely 4 layers.Yet irregular especially more layer has advantage equally.Attach troops to a unit and be arranged as and be parallel to each other and be parallel to the longitudinal direction 6 of anchor pole 2 and perpendicular to the steel bar 10 of layer B, this layer of B is orientated perpendicular to figure plane in the steel bar 10 of layer A.As a result, as long as be visible corresponding to this layer of exploded view, observer, 1 to observer, grid pattern is shown when transversely direction 1 is watched reinforcing bar.At two direct contact point places of steel bar 10 of the layer of stack, steel bar 10 is preferably connected to each other.Wherein this connection can need to change according to using.Especially targetedly modification be bonding, welding or with wire, reel.When for example perpendicular to the steel bar 10 of view plane orientation alternately their direct neighbors and when the upper and lower of the steel bars 10 of 6 orientations is guided through along the longitudinal direction, two directly the layer AB(of stack can be equally also other layers) steel bar 10 also can interweave mutually.
For anchor system according to the present invention, importantly to the holding of anchoring element, in this case, anchor pole 2 is put into the steel mesh reinforcement as the reinforcing bar of concrete component 1, make the power acting on steel member 3 be passed to reinforcing bar by anchoring element.Therefore, active force less acts in part, and can correspondingly by concrete component, be absorbed better.With regard to manufacture, by anchor pole 2 and steel member 3 are coupled together, each backlash of anchor pole 2 is all configured to a kind of ring 12.Each steel bar 10 of steel mesh reinforcement passes such ring 12, thereby makes can realize in this position the power transmission according to set target.Preferably, the steel bar 10 that runs through backlash is all close to inside lintel 13 places of anchor pole 2.Each backlash can be run through by more than one steel bar 10; Or by way of exception by steel bar, do not run through, as long as at least several gaps of anchor pole 2 are correspondingly run through by steel bar 10.When for example pulling force acts on each anchor pole 2 along horizontal direction 11, this anchor pole is not only maintained in concrete by their spats 8, and two layers above that additionally pass through steel mesh reinforcement are by anchoring.
According in the embodiment of Fig. 1, steel mesh reinforcement has the steel bar 10 that 4 positions are intersected and partly mutually combined closely simultaneously, wherein, along the described reinforcing bar 10 that is inserted into the extreme lower position that the direction in described concrete component 1 observes, perpendicular to figure plane, place and be positioned at the below of the spats 8 of anchor pole 2, and reinforcing bar 10 ground that are parallel to another top of running through backlash are conducted through.The steel bar 10 of several inferior high positions along anchor pole 2 orientations can be arranged to: make its top that is supported on spats 8 and steel bar directly not contact thus the steel bar 10 of extreme lower position in its vertical orientation.
Reference numerals list:
1 concrete component
2 anchor poles
3 steel members
4 standard sections
5 standard sections
Article 6, longitudinal direction
7 lines of cut
8 spats
9 crowns
10 horizontal bars
11 horizontal directions
12 rings
13 lintels
Claims (13)
1. one kind for constructing the inseparable anchor system being connected between concrete component (1) and steel member (3), this concrete component (1) has the reinforcing bar (10) that comprises at least one steel mesh reinforcement, wherein, at least one anchoring element consisting of anchor pole (2) is poured in described concrete component (1), make at least one joint face of described anchor pole (2) outstanding from described concrete component (1) at least in part, wherein, described anchor pole (2) has a plurality of recesses that extend at least in part in described concrete component (1), these recesses are run through by least one steel strut (10) of described steel mesh reinforcement respectively.
2. anchor system according to claim 1, wherein, each recess is separated into by the joint face of described anchor pole (2) segment space being separated from each other on space.
3. anchor system according to claim 1 and 2, wherein, by the described recess of described anchor pole (2) be arranged to according to the style rule of denture arrange.
4. according to the anchor system described in any one in claims 1 to 3, wherein, each recess all has tetragonal profile.
5. according to the anchor system described in any one in claim 1 to 4, wherein, each recess all has symmetrical trapezoidal profile.
6. according to the anchor system described in any one in claim 1 to 5, wherein, described anchor pole (2) is that the profile strip of, T shape L shaped by having, double-T, I shape, U-shaped or Z-shaped cross section cuts out.
7. according to the anchor system described in any one in claim 1 to 6, wherein, described anchor pole (2) is formed from steel, and especially by ferritic steel or austenitic steel, is made.
8. according to the anchor system described in any one in claim 1 to 7, wherein, each anchor pole (2) is connected in the sealed mode of material with in described steel member (3) one at their joint face place, especially welding.
9. according to the anchor system described in any one in claim 1 to 8, described anchor system has a plurality of anchor poles (2), and these anchor poles are adjacent to arrange and preferably in mode parallel to each other, align.
10. according to the anchor system described in any one in claim 1 to 9, wherein, described steel member (3) is steel plate.
11. according to the anchor system described in any one in claim 1 to 10, wherein, described steel mesh reinforcement has the steel strut (10) that at least four positions are intersected and are preferably partly interweaved, wherein, will along the described steel strut (10) that inserts the being seen extreme lower position of direction of described concrete component (1) in the below of described anchor pole (2), insert through.
Steel concrete-steel-the structure of 12. 1 kinds of combinations, this steel concrete-steel-structure has the steel concrete cover of the concrete component (1) that comprises a plurality of arrangements of reinforcement and the steel sheath that comprises a plurality of steel members (3), wherein, described steel member (3) utilization couples together according to anchor system in any one of the preceding claims wherein and described concrete component (1).
13. according to the steel concrete-steel-structure of the combination described in claim 12, and described steel concrete-steel-structure is to consist of the group comprising with lower member: reactor safety container, reservoir pressure device, gas reservoir and liquid memory.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011105329A DE102011105329B4 (en) | 2011-06-03 | 2011-06-03 | Composite component and reinforced concrete steel structure produced therewith |
DE102011105329.1 | 2011-06-03 | ||
PCT/EP2012/059349 WO2012163708A1 (en) | 2011-06-03 | 2012-05-21 | Anchoring system between a concrete component and a steel component |
Publications (1)
Publication Number | Publication Date |
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CN103688003A true CN103688003A (en) | 2014-03-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201280027003.3A Pending CN103688003A (en) | 2011-06-03 | 2012-05-21 | Anchoring system between a concrete component and a steel component |
Country Status (10)
Country | Link |
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US (1) | US20140083044A1 (en) |
EP (1) | EP2715005B1 (en) |
JP (1) | JP2014523982A (en) |
KR (1) | KR20140043763A (en) |
CN (1) | CN103688003A (en) |
BR (1) | BR112013030775A2 (en) |
CA (1) | CA2837389A1 (en) |
DE (1) | DE102011105329B4 (en) |
WO (1) | WO2012163708A1 (en) |
ZA (1) | ZA201308246B (en) |
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CN105952059B (en) * | 2016-07-05 | 2024-01-23 | 北京交通大学 | Reinforcing steel bar anchoring method for replacing high-strength reinforcing steel bar hook |
CN107170488B (en) * | 2017-05-24 | 2019-05-21 | 安徽科创智慧知识产权服务有限公司 | A kind of skeleton to be poured of concrete containment |
CN107170489B (en) * | 2017-05-24 | 2019-05-21 | 安徽科创智慧知识产权服务有限公司 | The prestress pipe arrangement of reactor concrete containment |
KR102003670B1 (en) * | 2018-08-03 | 2019-07-25 | 한국건설기술연구원 | Textile reinforced concrete structure using textile grid fixing apparatus, and construction method for the same |
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- 2012-05-21 EP EP12729892.5A patent/EP2715005B1/en not_active Not-in-force
- 2012-05-21 WO PCT/EP2012/059349 patent/WO2012163708A1/en active Application Filing
- 2012-05-21 KR KR1020137034611A patent/KR20140043763A/en not_active Application Discontinuation
- 2012-05-21 BR BR112013030775A patent/BR112013030775A2/en not_active IP Right Cessation
- 2012-05-21 CA CA2837389A patent/CA2837389A1/en not_active Abandoned
- 2012-05-21 JP JP2014513117A patent/JP2014523982A/en active Pending
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2013
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- 2013-12-03 US US14/095,145 patent/US20140083044A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
DE102011105329A1 (en) | 2012-12-06 |
EP2715005A1 (en) | 2014-04-09 |
DE102011105329B4 (en) | 2013-06-27 |
EP2715005B1 (en) | 2015-01-07 |
KR20140043763A (en) | 2014-04-10 |
WO2012163708A1 (en) | 2012-12-06 |
ZA201308246B (en) | 2014-09-25 |
CA2837389A1 (en) | 2012-12-06 |
BR112013030775A2 (en) | 2016-12-06 |
JP2014523982A (en) | 2014-09-18 |
US20140083044A1 (en) | 2014-03-27 |
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