CN202850360U - Grouting and anchoring type steel bar connection sleeve and manufacturing mould thereof - Google Patents
Grouting and anchoring type steel bar connection sleeve and manufacturing mould thereof Download PDFInfo
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- CN202850360U CN202850360U CN 201220542950 CN201220542950U CN202850360U CN 202850360 U CN202850360 U CN 202850360U CN 201220542950 CN201220542950 CN 201220542950 CN 201220542950 U CN201220542950 U CN 201220542950U CN 202850360 U CN202850360 U CN 202850360U
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Abstract
The utility model relates to a steel bar sleeve slurry anchor connecting piece of a prefabricated component, belongs to the technical field of architectural engineering, and particularly relates to a grouting and anchoring type steel bar connection sleeve and a manufacturing mould of the grouting and anchoring type steel bar connection sleeve. The grouting and anchoring type steel bar connection sleeve comprises a sleeve body, a through hole, an elastic rubber sealing ring, an opening end, a fixing end, a sleeve groove, a sleeve convex rib, a grouting material feeding hole and a grouting material discharging hole. The grouting and anchoring type steel bar connection sleeve for assembling type constructions is prepared by taking seamless steel pipes as raw materials through a mechanical extrusion manner, so that the connecting performance and the cost performance of the steel bar connection sleeve are equal to or higher than those of a corresponding steel casting, iron casting or machining type connection sleeve. The grouting and anchoring type steel bar connection sleeve is used for connection of a single steel bar and the connection of the steel bars between assembling type concrete construction prefabricated components; and butt-joint ends of the two connected steel bars are combined through the connecting sleeve and hardened cement mortar filled into the inner gap to form a connected body. Welding is not needed and wet work construction is not needed, and the single steel bar or the connected steel bars in the two components are in equal-strength butt joint.
Description
Technical field
The utility model relates to the reinforced bar sleeve slurry anchor connector of monomer reinforcing bar and prefabricated units, belongs to construction engineering technical field, is specially a kind of slurry anchor formula reinforcing steel bar connecting sleeve tube and mfg. moulding die thereof.
Background technology
In traditional cast-in-place concrete structure, the connection of reinforcing bar adopts overlap joint to connect, be welded to connect or the mechanical connection method such as compression sleeve more, the construction that reinforcing bar connects is comparatively complicated, and must finish the connection of reinforcing bar before fluid concrete, can not carry out fabricated construction.
Existing reinforcing steel bar connecting sleeve tube is steel-casting, ironcasting, and the machine cut mode workpiece of rod iron or thick walled steel tube, and concerning the existing machining status of China, if will reach corresponding technical requirements, the processing and fabricating cost is all higher.
The utility model content
The purpose of this utility model is to provide a kind of slurry anchor formula reinforcing steel bar connecting sleeve tube and mfg. moulding die thereof that carries out anchoring by the cement injection mortar, and the reinforcing bar that is mainly used between the connection of monomer reinforcing bar and the assembly concrete building prefabricated components connects.The butt end of two connecting reinforcements by branch sleeve and the hardened cement mortar that pours into its internal voids in conjunction with forming a connector.This connector does not need welding, does not need wet construction, and makes the strong docking such as the reinforcing bar that connects in monomer reinforcing bar or two members reaches.
The technical solution of the utility model is:
A kind of slurry anchor formula reinforcing steel bar connecting sleeve tube, slurry anchor formula reinforcing steel bar connecting sleeve tube comprises: sleeve body, through hole, elastic rubber sealing ring, openend, fixed end, sleeve groove, sleeve rib, grouting material plup inlet, grouting material discharge opening, through hole is arranged in the sleeve body, and elastic rubber sealing ring is equipped with at the through hole two ends in the sleeve body; One end of sleeve body is for being used for connecting the rear openend that inserts reinforcing bar, and the other end of sleeve is the fixed end that is used for connecting embedded bar that has centre bore; The sleeve body external surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with the sleeve groove, the sleeve body inner surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with sleeve rib; The sleeve rib of reinforced bar jointing sleeve tube inner surface is discontinuous distribution along the circumferential direction, and side outer wall one end of sleeve body has the grouting mouth, and the side outer wall other end of sleeve body has the exhaust grout outlet.
Described slurry anchor formula reinforcing steel bar connecting sleeve tube, sleeve rib is wedge shape, the sleeve groove is corresponding with position and the shape of sleeve rib, sleeve rib be in a circumferential direction two to six uniform.
Described slurry anchor formula reinforcing steel bar connecting sleeve tube, sleeve groove and sleeve rib width along the circumferential direction is no more than the width of flat circular portion between sleeve groove and the sleeve rib.
Described slurry anchor formula reinforcing steel bar connecting sleeve tube, sleeve body are the moulding of mild steel seamless steel pipe radial compression.
Be used for the mfg. moulding die of slurry anchor formula reinforcing steel bar connecting sleeve tube, extrusion die comprises die head, core, and the shape of die head, core is corresponding with interactively, forms the moulding form of sleeve groove and sleeve rib compartment.
Described mfg. moulding die, core comprises core groove, core fin, core termination, core cylinder, the external surface of core cylinder vertically with circumferencial direction by being interval with the core fin, form the core groove between the core fin of circumferencial direction, an end of core cylinder is the core termination.
Described mfg. moulding die, core fin are wedge shape, and the core fin outer rim of circumferencial direction is arc, and the internal diameter of this arc diameter and sleeve body is complementary, the core fin of circumferencial direction be two to six uniform.
Described mfg. moulding die, die head comprise die head fin, die head cylinder, die head extruding position, die head initial bit, and a side is by being interval with the die head fin vertically for the external surface of die head cylinder, and the outer rim of die head fin is arc; Before the extruding, at die head initial bit place, the die head fin is corresponding with the core groove of core; After the extruding, at place, die head extruding position, the die head fin is corresponding with the core groove of core.
Utilize the manufacture method of the slurry anchor formula reinforcing steel bar connecting sleeve tube of described mfg. moulding die, comprise the steps:
(1) the former material of processing adopts general mild steel seamless steel pipe;
(2) adopt extrusion die radial compression manufacturing process, the sleeve groove of processing sleeve outer surface and the sleeve rib of inner surface;
(3) finish extrusion modling after, the core of extrusion die turns 90～30 degree and extracts behind the angles.
The manufacture method of described slurry anchor formula reinforcing steel bar connecting sleeve tube, extrusion shapes, the degree of depth are pressed the serial and corresponding seamless pipe wall thickness of sleeve and different, and the degree of depth of sleeve outer surface sleeve groove and the height of inner surface sleeve rib are at 1～10mm; The columns of external surface sleeve groove and inner surface sleeve rib is 2～6 row.
The beneficial effects of the utility model are:
The utility model adopts slurry anchor formula reinforcing steel bar connecting sleeve tube that the reinforcing bar of monomer reinforcing bar or prefabricated assembled concrete member is connected.Be characterized in connecting and being connected the sleeve of diameter series reinforcing bar connection with the diameter series reinforcing bar, the sleeve that general mild steel seamless steel pipe is made with dedicated extruded mould and mechanical presses mode, the sleeve that the different series that particular manufacturing craft is set up by corresponding connected piece dimension series has identical machining feature adopts the reinforcing steel bar connecting sleeve tube manufacture method of general mild steel seamless steel pipe, special-purpose inside and outside extrusion die and mechanical presses mode.Compare with the cast iron of external employing and the rod iron of domestic present employing, the utility model adopts seamless steel pipe, and not only intensity is high, good toughness, and steady quality, and material usage is few; Adopt radially to the compacting fabrication technique, compare with domestic rod iron Cutting Process with external casting technique, mechanization degree is high, and processing capacity is few, and production efficiency is high, thus but decrease sleeve cost.
Description of drawings
Fig. 1 (a)-(b): the utility model sleeve schematic diagram.Wherein, Fig. 1 (a) is front view; Fig. 1 (b) is A-A sectional drawing among Fig. 1 (a).
Fig. 2 (a)-(f): the utility model mould schematic diagram.Wherein, Fig. 2 (a) is the core front view; Fig. 2 (b) is the core left view; Fig. 2 (c) is the one-sided figure of core; Fig. 2 (d) is the die head front view; Fig. 2 (e) is the die head left view; Fig. 2 (f) is only one-sided figure of die head list.
Fig. 3 (a)-(c): the utility model machining sketch chart.Wherein, Fig. 3 (a) is the one-sided extruding front view of mould; Fig. 3 (b) is the front state of extruding; Fig. 3 (c) is the rear state of extruding.
Fig. 4: the utility model reinforcing bar connection diagram.
Among the figure, 1 sleeve body; 2 through holes; 3 elastic rubber sealing rings; 4 openends; 5 fixed ends; 6 sleeve grooves; 7 sleeve rib; 8 grouting material plup inlets (grouting mouth); 9 grouting material discharge openings (exhaust grout outlet); 10 cores; 11 core grooves; 12 core fins; 13 core terminations; 14 core cylinders; 15 die heads; 16 die head fins; 17 die head cylinders; 18 die heads extruding position; 19 die head initial bit; 20 are connected indented bars.
The specific embodiment
Shown in Fig. 1 (a)-(b), slurry anchor formula reinforcing steel bar connecting sleeve tube mainly comprises: sleeve body 1, through hole 2, elastic rubber sealing ring 3, openend 4, fixed end 5, sleeve groove 6, sleeve rib 7, grouting material plup inlet (grouting mouth) 8, grouting material discharge opening (exhaust grout outlet) 9 etc., sleeve body 1 is the moulding of mild steel seamless steel pipe radial compression, through hole 2 is arranged in the sleeve body 1, and elastic rubber sealing ring 3 is equipped with at the through hole two ends in the sleeve body 1; One end of sleeve body 1 is openend 4, inserts reinforcing bar after being used for connecting; The other end of sleeve body 1 is the fixed end 5 that has centre bore, is used for connecting embedded bar; Sleeve body 1 external surface of reinforcing steel bar connecting sleeve tube is provided with sleeve groove 6 at regular intervals with circumferencial direction vertically, increases the adhesion strength of sleeve outer surface and surrounding concrete; Sleeve body 1 inner surface of reinforcing steel bar connecting sleeve tube is provided with sleeve rib 7 at regular intervals with circumferencial direction vertically, to guarantee the adhesion strength of sleeve interior surface and cement mortar; The along the circumferential direction discontinuous distribution of the sleeve rib 7 of reinforced bar jointing sleeve tube inner surface is to guarantee the smoothness of being in the milk in the sleeve and to be difficult for air entrapment; Side outer wall one end of sleeve body 1 has grouting mouth 8, and the side outer wall other end of sleeve body 1 has exhaust grout outlet 9.
In the present embodiment, sleeve rib 7 is wedge shape, and sleeve groove 6 is corresponding with position and the shape of sleeve rib 7, be in a circumferential direction three uniform.
Shown in Fig. 2 (a)-(c), core 10 comprises core groove 11, core fin 12, core termination 13, core cylinder 14 etc., the external surface of core cylinder 14 is provided with core fin 12 at regular intervals with circumferencial direction vertically, form core groove 11 between the core fin 12 of circumferencial direction, one end of core cylinder 14 is core termination 13, the effect of core termination 13 is these places of jig clamping, and the depoling mould is taken out in rotation.In the utility model, core groove 11 indication positions are: the flat circular portion between sleeve groove row and the sleeve rib row.
In the present embodiment, the core fin 12 of circumferencial direction be three uniform.Core fin 12 is wedge shape, and core fin 12 outer rims of circumferencial direction are arc, and the internal diameter of this arc diameter and sleeve body 1 is complementary.
Such as Fig. 2 (d)-(f) and shown in Figure 3, die head 15 comprises die head fin 16, die head cylinder 17, die head extruding position 18, die head initial bit 19 etc., the external surface of die head cylinder 17 a vertically side is provided with die head fin 16 at regular intervals, and the outer rim of die head fin 16 is arc.Before the extruding, at die head initial bit 19 places, die head fin 16 is corresponding with the core groove 11 of core 10.After the extruding, at 18 places, die head extruding position, die head fin 16 is corresponding with the core groove 11 of core 10.
Shown in Fig. 3 (a)-(c), extrusion die comprises die head 15, core 10, the shape of die head 15, core 10 is corresponding with interactively, form the moulding form of sleeve groove and sleeve rib compartment, can make sleeve forming accurate, withdrawing pattern is simple and easy, and the rigidity that can guarantee to connect is in control range.The sleeve forming convex-concave distributes radially even, makes connector stressed evenly.Owing to adopt the die type extrusion process, the sleeve internal projection can accurately control to satisfy the connection request of the reinforcing bar of different-diameter and intensity.For guaranteeing working ability, mould adopts (high carbon alloy) tool steel material and after finishing shape processing, (thickness is 0.2～0.5mm) to carry out the surface high frequency Quenching Treatment.
Extrusion shapes, the degree of depth are pressed sleeve series and corresponding seamless pipe wall thickness and different, and the degree of depth of sleeve outer surface sleeve groove 6 and inner surface sleeve rib 7(are called for short surperficial convex-concave) height at 1～10mm.
External surface sleeve groove 6 and inner surface sleeve rib 7(are called for short surperficial convex-concave) columns (number along the circumferential direction) can be 2～6 row.After finishing extrusion modling, core can be extracted after turning 90～30 degree angles.Be 3 row in embodiment illustrated in fig. 3, finish extrusion modling after, core turns 60 degree and extracts behind the angles.
Grouting material plup inlet (grouting mouth) 8, grouting material discharge opening (exhaust grout outlet) 9 go out by different connection dimension series of cuts without the extruding prominence at sleeve after the sleeve extruding moulding again, and welding or thread pipe joint.Sleeve was finished after the sleeve two-port was processed caliber size and sealing ring is set by the difference requirement.
As shown in Figure 4, use reinforcing steel bar connecting sleeve tube of the present utility model to carry out the strong docking connections such as reinforcing bar, an end of sleeve body 1 is the fixed end 5 that is used for the connection embedded bar that has centre bore for the openend 4 for insertion reinforcing bar after connecting, the other end of sleeve body 1; Be connected indented bars 20(and insert reinforcing bar) enter sleeve body 1 from openend 4, dock with embedded bar, by grouting material plup inlet (grouting mouth) 8 injected water cement mortars, after cement mortar is full of, discharge through grouting material discharge opening (exhaust grout outlet).
Among the figure, following symbol represents respectively:
Between a sleeve groove 6 or between the sleeve rib 7 or between the core fin 12 or the spacing between the die head fin 16;
The upper surface of b core fin 12 is along the width of sleeve axis direction;
The upper surface of b2 die head fin 16 is along the width of sleeve axis direction;
One side stand out of the upper surface of c core fin 12 and soffit;
One side stand out of the upper surface of c2 die head fin 16 and soffit;
The external diameter of D sleeve body 1;
The external diameter of D1 core fin 12 circumferencial directions;
The external diameter of D2 core termination 13;
The external diameter of D3 die head fin 16;
H1 die head fin 16 width along the circumferential direction;
The diameter of d1 core cylinder 14;
The diameter of d2 die head cylinder 17;
The internal diameter of d4 grouting material plup inlet (grouting mouth) 8 or grouting material discharge opening (exhaust grout outlet) 9;
D ' openend 4 is installed the internal diameter behind the elastic rubber sealing ring 3;
" fixed end 5 is installed the internal diameter behind the elastic rubber sealing ring 3 to d;
Root spacing between the e die head fin 16;
The length of L sleeve body 1;
The length of L1 core 10;
The length of L2 die head 15;
L3 inserts reinforcing bar in the length of sleeve body 1;
The L4 embedded bar is in the length of sleeve body 1;
The distance of L5 grouting material plup inlet (grouting mouth) 8 center lines and openend 4;
The distance of L6 grouting material discharge opening (exhaust grout outlet) 9 center lines and openend 4;
The upper surface of t core fin 12 and the opposite side stand out of soffit;
The upper surface of t2 die head fin 16 and the opposite side stand out of soffit;
In the utility model, the manufacture method of reinforcing steel bar connecting sleeve tube: process former material and adopt general mild steel seamless steel pipe; Adopt the sleeve groove 6 of radial compression manufacturing process processing sleeve outer surface and the sleeve rib 7 of inner surface; Sleeve groove 6 and sleeve rib 7 width along the circumferential direction are no more than the width of flat circular portion between sleeve groove 6 and the sleeve rib 7, to guarantee rotary core pulling.
Embodiment result shows, the utility model is that former material is by the mechanical presses mode with general seamless steel pipe, make monomer reinforcing bar or assembled architecture member reinforcing steel bar and connect with grouting anchoring type reinforcing steel bar connecting sleeve tube, make switching performance, cost performance meet or exceed the branch sleeve of corresponding cast steel, cast iron or machining type.Its processing, simpler, the convenience and efficient of making are easy to control product quality.
Claims (8)
1. slurry anchor formula reinforcing steel bar connecting sleeve tube, it is characterized in that, slurry anchor formula reinforcing steel bar connecting sleeve tube comprises: sleeve body, through hole, elastic rubber sealing ring, openend, fixed end, sleeve groove, sleeve rib, grouting material plup inlet, grouting material discharge opening, through hole is arranged in the sleeve body, and elastic rubber sealing ring is equipped with at the through hole two ends in the sleeve body; One end of sleeve body is for being used for connecting the rear openend that inserts reinforcing bar, and the other end of sleeve is the fixed end that is used for connecting embedded bar that has centre bore; The sleeve body external surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with the sleeve groove, the sleeve body inner surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with sleeve rib; The sleeve rib of reinforced bar jointing sleeve tube inner surface is discontinuous distribution along the circumferential direction, and side outer wall one end of sleeve body has the grouting mouth, and the side outer wall other end of sleeve body has the exhaust grout outlet.
2. according to slurry anchor formula reinforcing steel bar connecting sleeve tube claimed in claim 1, it is characterized in that sleeve rib is wedge shape, the sleeve groove is corresponding with position and the shape of sleeve rib, sleeve rib be in a circumferential direction two to six uniform.
3. according to slurry anchor formula reinforcing steel bar connecting sleeve tube claimed in claim 1, it is characterized in that sleeve groove and sleeve rib width along the circumferential direction is no more than the width of flat circular portion between sleeve groove and the sleeve rib.
4. according to slurry anchor formula reinforcing steel bar connecting sleeve tube claimed in claim 1, it is characterized in that sleeve body is the moulding of mild steel seamless steel pipe radial compression.
5. a mfg. moulding die that is used for claim 1 slurry anchor formula reinforcing steel bar connecting sleeve tube is characterized in that extrusion die comprises die head, core, and the shape of die head, core is corresponding with interactively, forms the moulding form of sleeve groove and sleeve rib compartment.
6. according to mfg. moulding die claimed in claim 5, it is characterized in that, core comprises core groove, core fin, core termination, core cylinder, the external surface of core cylinder vertically with circumferencial direction by being interval with the core fin, form the core groove between the core fin of circumferencial direction, an end of core cylinder is the core termination.
7. according to mfg. moulding die claimed in claim 6, it is characterized in that the core fin is wedge shape, the core fin outer rim of circumferencial direction is arc, and the internal diameter of this arc diameter and sleeve body is complementary, the core fin of circumferencial direction be two to six uniform.
8. according to mfg. moulding die claimed in claim 5, it is characterized in that die head comprises die head fin, die head cylinder, die head extruding position, die head initial bit, a side is by being interval with the die head fin vertically for the external surface of die head cylinder, and the outer rim of die head fin is arc; Before the extruding, at die head initial bit place, the die head fin is corresponding with the core groove of core; After the extruding, at place, die head extruding position, the die head fin is corresponding with the core groove of core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542950 CN202850360U (en) | 2012-10-22 | 2012-10-22 | Grouting and anchoring type steel bar connection sleeve and manufacturing mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542950 CN202850360U (en) | 2012-10-22 | 2012-10-22 | Grouting and anchoring type steel bar connection sleeve and manufacturing mould thereof |
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| Publication Number | Publication Date |
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| CN202850360U true CN202850360U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220542950 Expired - Fee Related CN202850360U (en) | 2012-10-22 | 2012-10-22 | Grouting and anchoring type steel bar connection sleeve and manufacturing mould thereof |
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| CN (1) | CN202850360U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900201A (en) * | 2012-10-22 | 2013-01-30 | 沈阳建筑大学 | Grouting anchor reinforced bar connection sleeve as well as manufacture mold and manufacture method thereof |
| CN103758292A (en) * | 2014-01-24 | 2014-04-30 | 东南大学 | Shearing reinforcing type full-grouting sleeve |
| CN103758291A (en) * | 2014-01-24 | 2014-04-30 | 东南大学 | Shearing reinforcing type semi-grouting sleeve |
| CN103899043A (en) * | 2014-04-10 | 2014-07-02 | 东南大学 | Half-grouting sleeve embedded with cone |
| CN103899044A (en) * | 2014-04-10 | 2014-07-02 | 东南大学 | Full-grouting sleeve embedded with cones |
| CN103963147A (en) * | 2014-05-07 | 2014-08-06 | 浙江省天和建材集团有限公司地铁管片分公司 | Blind threaded hole forming rod |
| CN104314240A (en) * | 2014-11-23 | 2015-01-28 | 沈阳建筑大学 | Grouting anchor type rebar connection sleeve and manufacturing method thereof |
| CN106437037A (en) * | 2016-10-09 | 2017-02-22 | 深圳市现代营造科技有限公司 | Extruding grouting sleeve used for connection of steel bar and extruding manufacturing method thereof |
| CN107268896A (en) * | 2017-07-10 | 2017-10-20 | 河北易达钢筋连接技术有限公司 | A kind of grout sleeve for bar connecting |
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2012
- 2012-10-22 CN CN 201220542950 patent/CN202850360U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900201B (en) * | 2012-10-22 | 2015-07-08 | 沈阳建筑大学 | Manufacture mold and manufacture method of grouting anchor reinforced bar connection sleeve |
| CN102900201A (en) * | 2012-10-22 | 2013-01-30 | 沈阳建筑大学 | Grouting anchor reinforced bar connection sleeve as well as manufacture mold and manufacture method thereof |
| CN103758292A (en) * | 2014-01-24 | 2014-04-30 | 东南大学 | Shearing reinforcing type full-grouting sleeve |
| CN103758291A (en) * | 2014-01-24 | 2014-04-30 | 东南大学 | Shearing reinforcing type semi-grouting sleeve |
| CN103758292B (en) * | 2014-01-24 | 2016-04-06 | 东南大学 | The full grout sleeve of a kind of shearing enhancement mode |
| CN103758291B (en) * | 2014-01-24 | 2016-01-27 | 东南大学 | A kind of shearing enhancement mode half grout sleeve |
| CN103899043B (en) * | 2014-04-10 | 2016-03-02 | 东南大学 | Embedded pyramidal half grout sleeve |
| CN103899044A (en) * | 2014-04-10 | 2014-07-02 | 东南大学 | Full-grouting sleeve embedded with cones |
| CN103899044B (en) * | 2014-04-10 | 2016-03-16 | 东南大学 | Embedded pyramidal full grout sleeve |
| CN103899043A (en) * | 2014-04-10 | 2014-07-02 | 东南大学 | Half-grouting sleeve embedded with cone |
| CN103963147A (en) * | 2014-05-07 | 2014-08-06 | 浙江省天和建材集团有限公司地铁管片分公司 | Blind threaded hole forming rod |
| CN104314240A (en) * | 2014-11-23 | 2015-01-28 | 沈阳建筑大学 | Grouting anchor type rebar connection sleeve and manufacturing method thereof |
| CN106437037A (en) * | 2016-10-09 | 2017-02-22 | 深圳市现代营造科技有限公司 | Extruding grouting sleeve used for connection of steel bar and extruding manufacturing method thereof |
| CN107268896A (en) * | 2017-07-10 | 2017-10-20 | 河北易达钢筋连接技术有限公司 | A kind of grout sleeve for bar connecting |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151022 |
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| EXPY | Termination of patent right or utility model |