CN203559525U - Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection - Google Patents
Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection Download PDFInfo
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- CN203559525U CN203559525U CN201320651653.7U CN201320651653U CN203559525U CN 203559525 U CN203559525 U CN 203559525U CN 201320651653 U CN201320651653 U CN 201320651653U CN 203559525 U CN203559525 U CN 203559525U
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- connector
- pin
- anchor head
- brace
- hole
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- 239000000463 material Substances 0.000 title claims abstract description 121
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 230000002787 reinforcement Effects 0.000 title abstract 9
- 229920002430 Fibre-reinforced plastic Polymers 0.000 title abstract 4
- 239000011151 fibre-reinforced plastic Substances 0.000 title abstract 4
- 210000003205 muscle Anatomy 0.000 claims description 108
- 239000011324 bead Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 14
- 229920001187 thermosetting polymer Polymers 0.000 abstract description 12
- 238000005452 bending Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000004873 anchoring Methods 0.000 abstract description 2
- 210000002435 tendon Anatomy 0.000 abstract 2
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000007723 die pressing method Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 241000726818 Carpinus caroliniana Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Abstract
The utility model discloses a multipurpose connector and an anchor head as well as a composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection. The multipurpose connector comprises a reinforcement material connecting pipe, a connecting sheet and a connecting sheet pin hole, wherein one end of the reinforcement material connecting pipe is closed, the connecting sheet is arranged at one closed end of the reinforcement material connecting pipe, the connecting sheet pin hole is formed in the connecting sheet, a fastening adapter is arranged at the other end of the reinforcement material connecting pipe, the inner side of the reinforcement material connecting pipe is provided with an internal surface thread which is matched with an external thread of an FPR reinforcement material, and internal teeth are arranged on the connecting sheet pin hole. The anchor head comprises an anchor head body, a connector and a connector pin hole, wherein the connector is arranged at one end of the anchor head body, the connector pin hole is formed in the connector, and the internal teeth are arranged on the connector pin hole. The composite member is formed by combined connection of the multipurpose connector and the anchor head or combined connection of the two multipurpose connectors. The thermosetting fiber reinforcement materials can be freely connected through the multipurpose connector, the anchor head and the composite member and can be processed into 90-degree bending anchoring ends, stirrups, bent-up steel bars, curved prestressed tendons with large curvature or broken line prestressed tendons and special-shaped components.
Description
Technical field
The utility model relates to a kind of connection external member, specifically, relates to a kind of composite member connecting for FRP muscle material.
Background technology
The application technology of FRP (fibre reinforced composites) muscle in civil engineering become the focus that composite material circle and civil engineering field joint research are developed in the world today.At present, more and more about the application and research of FRP muscle both at home and abroad, promoting the continuous progress of modern civil engineering technology.
Along with the issue of < < fibre reinforced composites construction project application technology standard > > (GB50608-2010) is implemented, FRP muscle is reinforced structure or has been obtained more general application as strengthening in concrete structure, but the FRP muscle that muscle material generally adopts common matrix material to produce as pultrusions such as polyester, epoxy resin, vinyl esters is thermosetting FRP muscle.Due to the easy decomposes of molecular structure of these thermosetting matrix materials, so the bending part of thermosetting FRP muscle exists fiber bending and stress concentration phenomenon, its intensity will reduce 50%～60%, so shape can not change after its moulding, more can not arbitrarily bend.Be difficult to make stirrup, bent-up bar, the elbow of end anchorage of bar needs, the curved prestressing force muscle of deep camber or broken line steel bar etc.; More can not carry out at the construction field (site) the crotch making of FRP muscle end and the moulding of FRP stirrup.
For the F-SP FRP muscle material needing in the engineering application such as reducing, bending, connector, all adopting hand to stick with paste the methods such as method, winding method, long fibre die pressing produces.But performance can not be compared with the muscle material of thermosetting pultrusion.
The connected mode of fiber bar material has at present: 1, adopt the bonding adhesive such as the interior note of sleeve pipe resin, cement to connect, be prone to the sliding rupture of fragility.2, overlap joint connects, and is not suitable for tensional element.3, adopt the connection of tapped sleeve, high to the required precision of the body of rod and internal thread, easily the body of rod is caused to damage.
Utility model content
technical problem:the utility model provides a kind of thermosetting fibre muscle material that makes freely to connect, and can process curved prestressing force muscle or broken line steel bar and the abnormity component of bending anchored end in 90 °, stirrup, bent-up bar, deep camber, the crotch making that can carry out at the construction field (site) FRP muscle end and the multiplex connector, anchor head and the composite member that are connected for FRP muscle material of FRP stirrup moulding.
technical scheme:the multiplex connector connecting for FRP muscle material of the present utility model, comprise one end closed bead material tube connector, be arranged on sealing one end of muscle material tube connector brace, be arranged on the brace pin-and-hole on brace, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread that the external screw thread with FRP muscle material matches, and on brace pin-and-hole inner surface, is provided with internal tooth.
The anchor head connecting for FRP muscle material of the present utility model, comprise anchor head body, be arranged on anchor head body one end connector, be arranged on the connector pin-and-hole on connector, on connector pin-and-hole inner surface, be provided with internal tooth.
The above-mentioned anchor head connecting for FRP muscle material, anchor head body is anchor pole or anchor slab.
The above-mentioned anchor head connecting for FRP muscle material, anchor head body is anchor pole, and one end of anchor pole is connected with connector, and the other end is provided with enlarged footing.
The composite member connecting for FRP muscle material of the present utility model, comprise one end closed bead material tube connector, be arranged on the brace of sealing one end of muscle material tube connector, be arranged on the brace pin-and-hole on brace, by brace pin-and-hole, with brace, the anchor head being connected is installed with pin, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread that the external screw thread with FRP muscle material matches, anchor head comprises anchor head body, be arranged on the connector of anchor head body one end, be arranged on the connector pin-and-hole on connector, on brace pin-and-hole inner surface and connector pin-and-hole inner surface, be provided with internal tooth, on pin, be provided with the external tooth matching with internal tooth, pin inserts in brace pin-and-hole and connector pin-and-hole, brace is fixedly connected with anchor head.
The composite member connecting for FRP muscle material of the present utility model, comprise two multiplex connectors, each member includes one end closed bead material tube connector, is arranged on the brace of sealing one end of muscle material tube connector, is arranged on the brace pin-and-hole on brace, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread that the external screw thread with FRP muscle material matches, and on brace pin-and-hole inner surface, is provided with internal tooth; After the brace pin-and-hole of the brace on two members is aimed at, pin inserts in brace pin-and-hole, thereby two members are fixedly connected with.
Above-mentioned two kinds of composite membeies that connect for FRP muscle material, are provided with the latch in order to axial location on pin.
Above-mentioned two kinds of composite membeies that connect for FRP muscle material, anchor head body is anchor pole or anchor slab.
Above-mentioned two kinds of composite membeies that connect for FRP muscle material, anchor head body is anchor pole, and one end of anchor pole is connected with connector, and the other end is provided with enlarged footing.
beneficial effect:compared with prior art, the technical solution of the utility model has the following advantages:
1. overcome overlap joint connection in the existing connected mode of thermosetting FRP muscle material and be not suitable for tension, sleeve pipe connects the sliding rupture that is prone to fragility, is threaded and easily the body of rod is caused to damage.The shortcoming that can not be welded to connect.
One end closed bead material tube connector internal diameter is than the large 2 ~ 3mm of muscle material, and for injecting adhesive, adhesive is resin system, cement-based systems.One end closed bead material tube connector is processed with matching thread according to muscle material thread inner surface, for interlock muscle material.End fluting, external surface is established screw thread and is adopted end interlock nut screwing clamping.Adopt the mode of gluing+mechanical snap to be connected with muscle material, and utilize the elasticity of shell material, in end, clamp nut is set.Both avoid occurring the sliding rupture of fragility, and prevented again the body of rod to cause damage, and, drawn meanwhile, press member all can adopt.
2. solved the multidirectional connection of thermosetting fibre muscle material fiber bar material.
According to designing requirement, adjust angle, after the brace pin-and-hole of the brace on two members is aimed at, pin 3 inserts in brace pin-and-hole, thereby two members are fixedly connected with.Can be applicable to the multidirectional connection of FRP muscle material.
3. solved the problem that thermosetting fibre muscle material cannot bending forming.Thermosetting fibre muscle material can freely be connected, can process curved prestressing force muscle or broken line steel bar and the abnormity component etc. of bending anchored end in 90 °, crotch, stirrup, bent-up bar, deep camber.
Easy to loading and unloading, multiple combination, easy construction.On the basis of multiplex connector can with multiple anchor head, a plurality of multiplex connector combination, convenient disassembly, can be at the construction field (site) or factory complete bending anchored end, crotch, stirrup, bent-up bar, the curved prestressing force muscle of deep camber or the moulding of broken line steel bar and abnormity component etc.
Can adopt various material processing assembly according to actual conditions.Can adopt adaptive material as processing composite membeies such as metal, composite materials according to the performance requirement of FRP muscle, the elbow of having avoided hand to stick with paste the method productions such as method, winding method, long fibre die pressing can not mate with the muscle wood property of thermosetting pultrusion.
4. solve hand and stuck with paste the elbow of the method productions such as method, winding method, long fibre die pressing, thermoplasticity and the unmatched problem of material, performance of thermosetting pultrusion muscle material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multiplex connector of the utility model.
Fig. 2 is the anchor head structural representation that in the utility model device, body is anchor pole.
Fig. 3 is the anchor head structural representation that in the utility model device, body is anchor slab.
Fig. 4 is the anchor head structural representation that in the utility model device, body is enlarged footing.
Fig. 5 is that in the utility model, to adopt body be the assembling unit structure schematic diagram of the anchor head of anchor pole.
Fig. 6 is that in the utility model, to adopt body be the assembling unit structure schematic diagram of the anchor head of anchor slab.
Fig. 7 is that in the utility model, to adopt body be the assembling unit structure schematic diagram of the anchor head of enlarged footing.
Fig. 8 is multiplex connector and muscle material connection diagram in the utility model.
Fig. 9 is the straight elbow connection diagram of muscle material in the utility model.
Figure 10 is pin and latch in the utility model.
Figure 11 is the utility model muscle material connection diagram.
Figure 12 is that in the utility model, muscle material hangs muscle connection diagram.
In figure, have: muscle material tube connector 1, brace 2, brace pin-and-hole 21, anchor head 3, anchor head body 31, connector 32, connector pin-and-hole 33, pin 4, latch 41, fastening 5, muscle material 6, outer surface thread 101, inner surface screw thread 102.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
The multiplex connector connecting for FRP muscle material of the present utility model, comprise one end closed bead material tube connector 1, be arranged on sealing one end of muscle material tube connector 1 brace 2, be arranged on the brace pin-and-hole 21 on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, and on brace pin-and-hole 21 inner surfaces, is provided with internal tooth.
The anchor head connecting for FRP muscle material of the present utility model, comprise anchor head body 31, be arranged on anchor head body 31 one end connector 32, be arranged on the connector pin-and-hole 33 on connector 32, on connector pin-and-hole 33, be provided with internal tooth.Anchor head body 31 can be anchor pole (Fig. 2), anchor slab (Fig. 3) or enlarged footing anchor pole (Fig. 4).
Multiplex connector is connected with the anchor head that anchor head body is anchor pole, is made into the anchoring elbow (Fig. 5) of plain bars.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of sealing one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, by brace pin-and-hole 21, with brace 2, the anchor head being connected is installed with pin 4, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, anchor head 3 comprises that anchor head body is the anchor head body 31 of anchor pole, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, on brace pin-and-hole 21 and connector pin-and-hole 33, be provided with internal tooth, on pin 4, be provided with the external tooth matching with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixing again.The angle connecting can be adjusted arbitrarily according to designing requirement by adjusting the internal tooth on brace pin-and-hole 21 and connector pin-and-hole 33, adjusts crotch in 90 ° to be Figure 11.
The anchor head that multiplex connector is anchor slab with anchor head body is connected and is made into the anchor slab anchorage head (Fig. 6) of common muscle material or presstressed reinforcing steel.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of sealing one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, by brace pin-and-hole 21, with brace 2, the anchor head being connected is installed with pin 4, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, anchor head 3 comprises that anchor head body is the anchor head body 31 of anchor slab, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, on brace pin-and-hole 21 and connector pin-and-hole 33, be provided with internal tooth, on pin 4, be provided with the external tooth matching with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixing again.
The anchor head that multiplex connector is enlarged footing with anchor head body is connected and is made into the expansion anchorage head (Fig. 7) of common muscle material or presstressed reinforcing steel.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of sealing one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, by brace pin-and-hole 21, with brace 2, the anchor head being connected is installed with pin 4, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, anchor head 3 comprises that anchor head body is the anchor head body 31 of enlarged footing, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, on brace pin-and-hole 21 and connector pin-and-hole 33, be provided with internal tooth, on pin 4, be provided with the external tooth matching with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixing again.
Two multiplex connectors can form 0 ° ~ 360 ° joints (Figure 11) at any angle according to designing requirement, each member includes one end closed bead material tube connector 1, is arranged on the brace 2 of sealing one end of muscle material tube connector 1, is arranged on the brace pin-and-hole 21 on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, and on brace pin-and-hole 21, is provided with internal tooth; According to designing requirement, adjust angle, after the brace pin-and-hole 21 of the brace 2 on two members is aimed at, pin 4 inserts in brace pin-and-hole 21, thereby two members are fixedly connected with.With latch 41, pin 4 is fixing again.
A plurality of multiplex connectors can form and hang the moulding elbows (Figure 12) such as muscle according to designing requirement, each member includes one end closed bead material tube connector 1, is arranged on the brace 2 of sealing one end of muscle material tube connector 1, is arranged on the brace pin-and-hole 21 on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, and on brace pin-and-hole 21, is provided with internal tooth; According to designing requirement, adjust angle, after the brace pin-and-hole 21 of the brace 2 on two members is aimed at, pin 4 inserts in brace pin-and-hole 21, thereby two members are fixedly connected with.With latch 41, pin 4 is fixing again.
Multiplex connector adopts the mode of gluing+mechanical snap to be connected with muscle material.Multiplex connector internal diameter is than the large 2 ~ 3mm of muscle material, and for injecting adhesive, adhesive is resin system, cement-based systems.On the inner surface of muscle material tube connector 1, according to muscle material screw thread, be processed with supporting inner surface screw thread 102, for interlock muscle material.End fluting, is provided with outer surface thread 101, and end adopts fastening 5 to tighten.Adopt the mode of gluing+mechanical snap to guarantee the reliable bonding of joint and muscle material.
In the utility model, assembly can adopt metalwork, also can adopt fibre reinforced composites etc. to process.
Claims (9)
1. the multiplex connector connecting for FRP muscle material, it is characterized in that, this multiplex connector comprises one end closed bead material tube connector (1), is arranged on the brace (2) of sealing one end of described muscle material tube connector (1), is arranged on the brace pin-and-hole (21) on described brace (2), the outer setting of the other end of muscle material tube connector (1) has fastening (5), inner side is provided with the inner surface screw thread (102) that the external screw thread with FRP muscle material matches, and on described brace pin-and-hole (21) inner surface, is provided with internal tooth.
2. the anchor head connecting for FRP muscle material, it is characterized in that, this anchor head comprises anchor head body (31), is arranged on the connector (32) of described anchor head body (31) one end, is arranged on the connector pin-and-hole (33) on described connector (32), on described connector pin-and-hole (33) inner surface, is provided with internal tooth.
3. the anchor head connecting for FRP muscle material according to claim 2, is characterized in that, described anchor head body (31) is anchor pole or anchor slab.
4. the anchor head connecting for FRP muscle material according to claim 3, is characterized in that, described anchor head body (31) is anchor pole, and one end of described anchor pole is connected with connector (32), and the other end is provided with enlarged footing.
5. the composite member connecting for FRP muscle material, it is characterized in that, this composite member comprises one end closed bead material tube connector (1), is arranged on the brace (2) of sealing one end of described muscle material tube connector (1), is arranged on the brace pin-and-hole (21) on described brace (2), the anchor head (3) being connected with brace (2) installation with pin (4) by described brace pin-and-hole (21), the outer setting of the other end of muscle material tube connector (1) has fastening (5), and inner side is provided with the inner surface screw thread (102) that the external screw thread with FRP muscle material matches;
Described anchor head (3) comprises anchor head body (31), is arranged on the connector (32) of described anchor head body (31) one end, is arranged on the connector pin-and-hole (33) on described connector (32), on brace pin-and-hole (21) inner surface and connector pin-and-hole (33) inner surface, be provided with internal tooth, pin is provided with the external tooth matching with described internal tooth on (4), pin (4) inserts in brace pin-and-hole (21) and connector pin-and-hole (33), and brace (2) is fixedly connected with anchor head (3).
6. the composite member connecting for FRP muscle material, it is characterized in that, this assembly comprises two multiplex connectors, described in each, multiplex connector includes one end closed bead material tube connector (1), be arranged on the brace (2) of sealing one end of described muscle material tube connector (1), be arranged on the brace pin-and-hole (21) on described brace (2), the outer setting of the other end of muscle material tube connector (1) has fastening (5), inner side is provided with the inner surface screw thread (102) that the external screw thread with FRP muscle material matches, on described brace pin-and-hole (21) inner surface, be provided with internal tooth, after the brace pin-and-hole (21) of the brace (2) on two multiplex connectors is aimed at, pin (4) inserts in brace pin-and-hole (21), thereby two multiplex connectors are fixedly connected with.
7. according to the composite member connecting for FRP muscle material described in claim 5 or 6, it is characterized in that, on described pin (4), be provided with the latch (41) in order to axial location.
8. according to the composite member connecting for FRP muscle material described in claim 5 or 6, it is characterized in that, described anchor head body (31) is anchor pole or anchor slab.
9. the composite member connecting for FRP muscle material according to claim 8, is characterized in that, described anchor head body (31) is anchor pole, and one end of described anchor pole is connected with connector (32), and the other end is provided with enlarged footing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651653.7U CN203559525U (en) | 2013-10-22 | 2013-10-22 | Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651653.7U CN203559525U (en) | 2013-10-22 | 2013-10-22 | Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559525U true CN203559525U (en) | 2014-04-23 |
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ID=50509256
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320651653.7U Withdrawn - After Issue CN203559525U (en) | 2013-10-22 | 2013-10-22 | Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541514A (en) * | 2013-10-22 | 2014-01-29 | 张涛涛 | Multipurpose connector, anchor head and assembly for connecting FRP (Fiber Reinforced Plastic) rebars |
| CN107304545A (en) * | 2016-04-23 | 2017-10-31 | 辽宁工业大学 | A kind of combination set for anchoring and connecting for FRP muscle |
-
2013
- 2013-10-22 CN CN201320651653.7U patent/CN203559525U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541514A (en) * | 2013-10-22 | 2014-01-29 | 张涛涛 | Multipurpose connector, anchor head and assembly for connecting FRP (Fiber Reinforced Plastic) rebars |
| CN103541514B (en) * | 2013-10-22 | 2015-09-16 | 张涛涛 | A kind of multiplex connector, anchor head and composite member connected for FRP muscle material |
| CN107304545A (en) * | 2016-04-23 | 2017-10-31 | 辽宁工业大学 | A kind of combination set for anchoring and connecting for FRP muscle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140423 Effective date of abandoning: 20150916 |
|
| RGAV | Abandon patent right to avoid regrant |