CN205026290U - Sealing joint who connects draw -in groove locking of bamboo -shaped prestressing force plastics pipe racks and blast pipe - Google Patents
Sealing joint who connects draw -in groove locking of bamboo -shaped prestressing force plastics pipe racks and blast pipe Download PDFInfo
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- CN205026290U CN205026290U CN201520476439.1U CN201520476439U CN205026290U CN 205026290 U CN205026290 U CN 205026290U CN 201520476439 U CN201520476439 U CN 201520476439U CN 205026290 U CN205026290 U CN 205026290U
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- 238000007789 sealing Methods 0.000 title claims abstract description 128
- 239000004033 plastic Substances 0.000 title claims abstract description 42
- 229920003023 plastic Polymers 0.000 title claims abstract description 42
- 235000017166 Bambusa arundinacea Nutrition 0.000 title abstract 4
- 235000017491 Bambusa tulda Nutrition 0.000 title abstract 4
- 241001330002 Bambuseae Species 0.000 title abstract 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 title abstract 4
- 239000011425 bamboo Substances 0.000 title abstract 4
- 210000003205 muscle Anatomy 0.000 claims abstract description 16
- 238000003032 molecular docking Methods 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241001185540 Charissa ambiguata Species 0.000 abstract 1
- 239000011440 grout Substances 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses a sealing joint who connects draw -in groove locking of bamboo -shaped prestressing force plastics pipe racks and blast pipe, sealing joint be by first semicircle pipe with second semicircle pipe the butt joint forms, have the pothook to insert draw -in groove combination device docking the composition surface, there is the blast pipe in first semicircle outside of tubes reason, first semicircle pipe and the intraductal circle of second semicircle have two big annular grooves, two little annular grooves and the sealed recess that fills up respectively, two big annular grooves are respectively in semicircle pipe range degree mid point both sides, two annulet connected in stars are respectively in two big annular groove outsides, there is a sealed recess that fills up every big annular groove both sides, the sealed pad be equipped with in sealed pad recess. The utility model discloses beneficial effect is: elastic gasket sticiss in the big annular muscle both sides of bamboo -shaped prestressing force plastic tubing, and it is effectual to take out vacuum seal, helps the closely knit degree and the plumpness of the grout of vacuum prestressed duct, two bamboo -shaped prestressing force plastic tubing sealing connection are realized in inserting the draw -in groove to the pothook, and are easy and simple to handle, the dependable performance.
Description
Technical field
The utility model relates to plastic pipe sealing joint in prestress wire construction, particularly be the SEALING FITTING connecting the locking of Bamboo-shaped prestressed plastic pipe racks draw-in groove and outlet pipe.
Background technique
In recent years along with the development of construction industry, prestressed concrete is promoted gradually, and compared with conventional steel bar concrete, it is high that prestressed concrete has intensity, save the advantages such as material, now advanced technology is vacuum grouting post tension concrete technology.Its feature is first concreting, pre-plugged metal tube or plastic tube in concrete, after concrete reaches some strength, tractive prestress wire in built-in metal pipe or plastic tube again, then with ground tackle, prestress wire is fixed on component, finally vacuumizes at pipeline one end vacuum pump, make it produce the degree of vacuum of-0.1Mpa, with grouting pump, special cement is poured into from the pipeline the other end again, until be full of pipeline.These metal tubes or plastic tube not only need for prestress wire provides protective barrier, also need higher sealing to ensure the quality of vacuum grouting.
More advanced in present embedding pipe fittings is Bamboo-shaped prestressed plastic pipe, this Bamboo-shaped prestressed plastic pipe intensity is high, quality is better, but in constructing at the scene, this plastic tube generally adopts thermoplastic to weld, or the mode twining sealant tape is interconnected, these Placement process are loaded down with trivial details, cannot arrange outlet pipe, and sealing effect are poor, be easy to the phenomenon leaked air, affect degree of compaction and the plumpness of vacuum prestressed pore passage grouting.
Summary of the invention
The purpose of this utility model is the deficiency overcoming above-mentioned technology, provides a kind of connection Bamboo-shaped prestressed plastic pipe racks draw-in groove locking of easy and simple to handle, good seal performance and the SEALING FITTING of outlet pipe.
The technological scheme solved the problems of the technologies described above is: a kind of SEALING FITTING connecting the locking of Bamboo-shaped prestressed plastic pipe racks draw-in groove and outlet pipe, described SEALING FITTING is docked combination by the first semi-circular tube and the second semi-circular tube and is formed, and described docking mating face is provided with the combination apparatus that grab inserts draw-in groove; The outlet pipe being provided with its semicircle tube wall through is protruded in described first semi-circular tube outer rim; The inner ring of the first semi-circular tube and the inner ring of the second semi-circular tube there are structure same position symmetrical spaced two large annular grooves, two little annular grooves and sealing gasket groove respectively; Described two large annular grooves are separately positioned on the both sides of the first semi-circular tube mid-length and the both sides of the second semi-circular tube mid-length; Described two little annular grooves are separately positioned on the outside of two large annular grooves; A sealing gasket groove is respectively arranged with in the both sides of each large annular groove; Described two large annular grooves are wrapped in the outer rim of the first large annular muscle of Bamboo-shaped prestressed plastic tube end that SEALING FITTING two ends connect respectively respectively; Described two little annular grooves are wrapped in the outer rim of the first little annular muscle of Bamboo-shaped prestressed plastic tube end that SEALING FITTING two ends connect respectively respectively; Described first sealing gasket groove on first semi-circular tube inner ring and the described second sealing gasket groove on the second semi-circular tube inner ring are all corresponding with the little straight tube position of the first large annular muscle both sides of described Bamboo-shaped prestressed plastic tube end; In described sealing gasket groove, respectively sealing gasket is housed.
Preferred version is: the combination apparatus that described grab inserts draw-in groove is arranged on two flanged surfaces, and described two flanged surfaces are axially formed to respective outer rim protrusion along SEALING FITTING respectively by the mating face, both sides of the mating face, both sides of the first semi-circular tube and the second semi-circular tube; Described grab axially protrudes along SEALING FITTING to be arranged on two flanged surfaces of the first semi-circular tube or two flanged surfaces of the second semi-circular tube, its end buckle protruded; Described draw-in groove is axially disposed within the elongated hole on the second semi-circular tube two flanged surfaces or the elongated hole on the first semi-circular tube two flanged surfaces along SEALING FITTING; After described grab runs through the elongated hole of described draw-in groove, the hook of its end blocks and is locked on the second semi-circular tube flanged surface or blocks and be locked on the first semi-circular tube flanged surface.
Preferred version is: on the first semi-circular tube with the second semi-circular tube docking junction plane, be respectively arranged with the transverse sealing connecting groove being communicated with described its end of sealing gasket groove; Described sealing gasket comprise vertical seal joint shaft to multiple semicircles longitudinal sealing pad and be parallel to SEALING FITTING axially and be positioned at the lateral connection sealing gasket at multiple longitudinal sealing pad two ends; Described multiple longitudinal sealing pad is separately positioned in the described sealing gasket groove on the first semi-circular tube and the second semi-circular tube inner ring; Described lateral connection sealing gasket is separately positioned in the transverse sealing connecting groove on the first semi-circular tube and the second semi-circular tube docking junction plane.
Preferred version is: described outlet pipe endoporus is tapped hole; Outlet pipe is arranged in the middle part of the first semi-circular tube outer rim, and the through hole of outlet pipe connects the gap between two Bamboo-shaped prestressed plastic tube ends at SEALING FITTING two ends.
The beneficial effects of the utility model are:
1, the utility model adopts elastic sealing gasket tightly to press the large annular muscle both sides being rolled in Bamboo-shaped prestressed plastic pipe, and when vacuumizing construction, good sealing effect, contributes to degree of compaction and the plumpness of vacuum prestressed pore passage grouting.
2, the utility model employing grab is inserted in draw-in groove fixing, can realize the connection sealing of two Bamboo-shaped prestressed plastic pipes, easy and simple to handle, reliable performance.
3, the utility model is with exhaust pipe structure, and the outside pipeline that can be threaded uses as outlet pipe, and the optimization of the position that is conducive to being in the milk in constructing, improves grouting quality.
4, the utility model structure is simple, and easy to process, suit large area to popularize use.
Accompanying drawing explanation
Fig. 1 is the utility model plan view;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is the plan view of the first semi-circular tube in Fig. 1, is also the right elevation of Fig. 4;
Fig. 4 is B-B sectional view in Fig. 3;
Fig. 5 is the second semi-circular tube plan view in Fig. 1; Also be the right elevation of Fig. 6;
Fig. 6 is C-C sectional view in Fig. 5;
Fig. 7 is the plan view of flat mouth sealing gasket in Fig. 1;
Fig. 8 is the D-D sectional view of Fig. 7.
" in accompanying drawing, sequence number illustrates "
1: the first semi-circular tube; 1a: the first little annular groove; 1b: first annular groove; 1c: outlet pipe; 1d: the first sealing gasket groove; 1e: grab; 1j: the first transverse sealing connecting groove; 2: sealing gasket; 2a: longitudinal sealing pad; 2b: lateral connection sealing gasket; 3: Bamboo-shaped prestressed plastic pipe; 3a: little annular muscle; 3b: large annular muscle; 3c: little straight tube; 4: the second semi-circular tubes; 4a: the second little annular groove; 4b: second largest annular groove; 4c: the second sealing gasket groove; 4d: draw-in groove; 4j: the second transverse sealing connecting groove; 5: SEALING FITTING.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further illustrated.
As shown in the figure, the utility model provides a kind of SEALING FITTING connecting the locking of Bamboo-shaped prestressed plastic pipe racks draw-in groove and outlet pipe, described SEALING FITTING 5 is docked combination by the first semi-circular tube 1 and the second semi-circular tube 4 and is formed, and described docking mating face is provided with the combination apparatus that grab 1e inserts draw-in groove 4d.
The outlet pipe 1c being provided with its semicircle tube wall through is protruded in described first semi-circular tube 1 outer rim; The inner ring of the first semi-circular tube 1 and the inner ring of the second semi-circular tube 4 there are respectively structure same position symmetrical spaced first annular groove 1b and second largest annular groove 4b, the first little annular groove 1a and the second little annular groove 4a, the first sealing gasket groove 1d and the second sealing gasket groove 4c.
Described first annular groove 1b and second largest annular groove 4b is separately positioned on the both sides of the first semi-circular tube 1 mid-length and the both sides of the second semi-circular tube 4 mid-length; Described first little annular groove 1a and the second little annular groove 4a is separately positioned on the outside of first annular groove 1b and second largest annular groove 4b.An a first sealing gasket groove 1d and second sealing gasket groove 4c is respectively arranged with in the both sides of each first annular groove 1b and second largest annular groove 4b.
Described first annular groove 1b and second largest annular groove 4b are wrapped in the outer rim of the first large annular muscle 3b in Bamboo-shaped prestressed plastic pipe 3 end that SEALING FITTING 5 two ends are connected respectively respectively; Described first little annular groove 1a and the second little annular groove 4a are wrapped in the outer rim of the first little annular muscle 3a in Bamboo-shaped prestressed plastic pipe 3 end that SEALING FITTING 5 two ends are connected respectively respectively; The little straight tube 3c position of all first with the described Bamboo-shaped prestressed plastic pipe 3 end large annular muscle 3b both sides of described second sealing gasket groove 4c on the described first sealing gasket groove 1d on the first semi-circular tube 1 inner ring and the second semi-circular tube 4 inner ring is corresponding; In described first sealing gasket groove 1d and the second sealing gasket groove 4c, sealing gasket 2 is housed respectively.
The combination apparatus that described grab 1e inserts draw-in groove 4d is arranged on two flanged surfaces, and described two flanged surfaces are axially formed to respective outer rim protrusion along SEALING FITTING 5 respectively by the mating face, both sides of the mating face, both sides of the first semi-circular tube 1 and the second semi-circular tube 4.
Described grab 1e axially protrudes along SEALING FITTING 5 to be arranged on two flanged surfaces of the first semi-circular tube 1 or two flanged surfaces of the second semi-circular tube 4, its end buckle protruded; Described draw-in groove 4d is axially disposed within the elongated hole on the second semi-circular tube 4 two flanged surfaces or the elongated hole on the first semi-circular tube 1 two flanged surfaces along SEALING FITTING 5; After described grab 1e runs through the elongated hole of described draw-in groove 4d, the hook of its end blocks and is locked on the second semi-circular tube 4 flanged surface or blocks and be locked on the first semi-circular tube 1 flanged surface.
The the first transverse sealing connecting groove 1j and the second transverse sealing connecting groove 4j that junction plane are respectively arranged with and are communicated with described first its end of sealing gasket groove 1d and second its end of sealing gasket groove 4c is docked at the first semi-circular tube 1 and the second semi-circular tube 4.
Described sealing gasket 2 comprises the longitudinal sealing pad 2a of multiple semicircles of vertical seal joint 5 axis and is parallel to SEALING FITTING 5 axially and be positioned at the lateral connection sealing gasket 2b at multiple longitudinal sealing pad 2a two ends; Described multiple longitudinal sealing pad 2a is separately positioned in described first sealing gasket groove 1d on the first semi-circular tube 1 and the second semi-circular tube 4 inner ring and the second sealing gasket groove 4c; Described lateral connection sealing gasket 2b is separately positioned in the first transverse sealing connecting groove 1j that the first semi-circular tube 1 and the second semi-circular tube 4 dock on junction plane and in the second transverse sealing connecting groove 4j.
Described outlet pipe 1c endoporus is tapped hole, is convenient to connect outside pipeline and is used as outlet pipe use.Outlet pipe 1c is arranged in the middle part of the first semi-circular tube 1 outer rim, and the through hole of outlet pipe 1c connects the gap between two Bamboo-shaped prestressed plastic pipe 3 ends at SEALING FITTING 5 two ends.
In particular, in the utility model, the first semi-circular tube 1 and the second semi-circular tube 4 are adopted made of plastic, the hook of its end of grab 1e on the flanged surface that the first semi-circular tube 1 or the second semi-circular tube 4 combine and flexible, can be inserted in draw-in groove 4d, block and first semi-circular tube 1 and the second semi-circular tube 4 that be locked.
As shown in the figure, two first annular groove 1b and two the second largest annular groove 4b that the first semi-circular tube 1 inner ring and the second semi-circular tube 4 inner ring are arranged respectively are used for wrapping up in the outer rim of the first large annular muscle 3b in Bamboo-shaped prestressed plastic pipe 3 end; Two the first little annular groove 1a that first semi-circular tube 1 inner ring and the second semi-circular tube 4 inner ring are arranged respectively and two the second little annular groove 4a are wrapped in the outer rim of the first little annular muscle 3a in Bamboo-shaped prestressed plastic pipe 3 end that SEALING FITTING 5 two ends are connected respectively respectively.
Have in the second sealing gasket groove 4c in the first sealing gasket groove 1d of each first annular groove 1b left and right sides and in each second largest annular groove 4b left and right sides and be all provided with semicircular sealing gasket 2, sealing gasket 2 is connected as a single entity by multiple longitudinal sealing pad 2a and two lateral connection sealing gasket 2b to be put into respectively in described first sealing gasket groove 1d with in the first transverse sealing connecting groove 1j, in the second sealing gasket groove 4c and in the second transverse sealing connecting groove 4j.
The Thickness Ratio first sealing gasket groove 1d of sealing gasket 2 and the degree of depth of the second sealing gasket groove 4c large, after installing, sealing gasket 2 is from the first sealing gasket groove 1d and the projecting inward part of the second sealing gasket groove 4c, because sealing gasket 2 adopts rubber or other elastic material to make, when the first semi-circular tube 1 and the second semi-circular tube 4 combine compression, on the sealing gasket 2 little straight tube 3c being wrapped in first large annular muscle 3b both sides, Bamboo-shaped prestressed plastic pipe 3 end tightly, thus play seal action.
As shown in Figure 1, in use, the Bamboo-shaped prestressed plastic pipe 3 connected is needed to align placement by two, then the first semi-circular tube 1 and the second semi-circular tube 4 that sealing gasket 2 is housed are enclosed within the outer rim of Bamboo-shaped prestressed plastic pipe 3 end respectively, combined closely in first semi-circular tube 1 and the second semi-circular tube 4 mating face and be fixed on Bamboo-shaped prestressed plastic pipe 3 end, under the pressuring action of sealing gasket 2, be easy to realize vacuum seal and connect.
Claims (4)
1. one kind connects the SEALING FITTING of the locking of Bamboo-shaped prestressed plastic pipe racks draw-in groove and outlet pipe, it is characterized in that, described SEALING FITTING (5) is docked to combine by the first semi-circular tube (1) and the second semi-circular tube (4) and is formed, and described docking mating face is provided with the combination apparatus that grab (1e) inserts draw-in groove (4d); The outlet pipe (1c) being provided with its semicircle tube wall through is protruded in described first semi-circular tube (1) outer rim; The inner ring of the first semi-circular tube (1) and the inner ring of the second semi-circular tube (4) there are symmetrical spaced two the large annular groove (1b of structure same position respectively, 4b), two little annular groove (1a, 4a) with sealing gasket groove (1d, 4c); Described two large annular grooves (1b, 4b) are separately positioned on the both sides of the first semi-circular tube (1) mid-length and the both sides of the second semi-circular tube (4) mid-length; Described two little annular grooves (1a, 4a) are separately positioned on the outside of two large annular grooves (1b, 4b); A sealing gasket groove (1d, 4c) is respectively arranged with in the both sides of each large annular groove (1b, 4b); Described two large annular grooves (1b, 4b) are wrapped in the outer rim of the first large annular muscle (3b) in Bamboo-shaped prestressed plastic pipe (3) end that SEALING FITTING (5) two ends connect respectively respectively; Described two little annular grooves (1a, 4a) are wrapped in the outer rim of the first little annular muscle (3a) in Bamboo-shaped prestressed plastic pipe (3) end that SEALING FITTING (5) two ends connect respectively respectively; The first sealing gasket groove (1d) on first semi-circular tube (1) inner ring and the second sealing gasket groove (4c) on the second semi-circular tube (4) inner ring are all corresponding with little straight tube (3c) position of first large annular muscle (3b) both sides, described Bamboo-shaped prestressed plastic pipe (3) end; Sealing gasket (2) is housed respectively in described sealing gasket groove (1d, 4c).
2. according to the SEALING FITTING connecting the locking of Bamboo-shaped prestressed plastic pipe racks draw-in groove and outlet pipe a kind of described in claim 1, it is characterized in that, the combination apparatus that described grab (1e) inserts draw-in groove (4d) is arranged on two flanged surfaces, and described two flanged surfaces are axially formed to respective outer rim protrusion along SEALING FITTING (5) respectively by the mating face, both sides of the mating face, both sides of the first semi-circular tube (1) and the second semi-circular tube (4); Described grab (1e) axially protrudes along SEALING FITTING (5) to be arranged on two flanged surfaces of the first semi-circular tube (1) or two flanged surfaces of the second semi-circular tube (4), its end buckle protruded; Described draw-in groove (4d) is axially disposed within the elongated hole on the second semi-circular tube (4) two flanged surfaces or the elongated hole on the first semi-circular tube (1) two flanged surface along SEALING FITTING (5); After described grab (1e) runs through the elongated hole of described draw-in groove (4d), the hook of its end blocks and is locked on the second semi-circular tube (4) flanged surface or blocks and be locked on the first semi-circular tube (1) flanged surface.
3. according to the SEALING FITTING connecting the locking of Bamboo-shaped prestressed plastic pipe racks draw-in groove and outlet pipe a kind of described in claim 1, it is characterized in that, first semi-circular tube (1) with the second semi-circular tube (4) docking junction plane are respectively arranged with and are communicated with described sealing gasket groove (1d, 4c) the transverse sealing connecting groove (1j, 4j) of its end; Described sealing gasket (2) comprises the longitudinal sealing pad (2a) of the axial multiple semicircles of vertical seal joint (5) and is parallel to SEALING FITTING (5) axis and is positioned at the lateral connection sealing gasket (2b) at multiple longitudinal sealing pad (2a) two ends; Described multiple longitudinal sealing pad (2a) is separately positioned in the described sealing gasket groove (1d, 4c) on the first semi-circular tube (1) and the second semi-circular tube (4) inner ring; Described lateral connection sealing gasket (2b) is separately positioned in the transverse sealing connecting groove (1j, 4j) on the first semi-circular tube (1) and the second semi-circular tube (4) docking junction plane.
4., according to the SEALING FITTING connecting the locking of Bamboo-shaped prestressed plastic pipe racks draw-in groove and outlet pipe a kind of described in claim 1, it is characterized in that, described outlet pipe (1c) endoporus is tapped hole; Outlet pipe (1c) is arranged in the middle part of the first semi-circular tube (1) outer rim, and the through hole of outlet pipe (1c) is positioned at SEALING FITTING (5) two ends and connects gap between two Bamboo-shaped prestressed plastic pipe (3) ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476439.1U CN205026290U (en) | 2015-07-03 | 2015-07-03 | Sealing joint who connects draw -in groove locking of bamboo -shaped prestressing force plastics pipe racks and blast pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476439.1U CN205026290U (en) | 2015-07-03 | 2015-07-03 | Sealing joint who connects draw -in groove locking of bamboo -shaped prestressing force plastics pipe racks and blast pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026290U true CN205026290U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476439.1U Expired - Fee Related CN205026290U (en) | 2015-07-03 | 2015-07-03 | Sealing joint who connects draw -in groove locking of bamboo -shaped prestressing force plastics pipe racks and blast pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020525A (en) * | 2015-07-03 | 2015-11-04 | 天津鑫坤泰预应力专业技术有限公司 | Sealing joint with clamping slot locker and gas exhaust pipe for connecting bamboo-shaped prestress plastic pipes |
-
2015
- 2015-07-03 CN CN201520476439.1U patent/CN205026290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020525A (en) * | 2015-07-03 | 2015-11-04 | 天津鑫坤泰预应力专业技术有限公司 | Sealing joint with clamping slot locker and gas exhaust pipe for connecting bamboo-shaped prestress plastic pipes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181029 Address after: 100013 10 Hepingli East Street, Dongcheng District, Beijing Patentee after: Beijing Zhong Lu Tongda Technology Co.,Ltd. Address before: 300402 Tianjin Beichen District Beichen science and Technology Park, No. 15, Jing Xiang Road Patentee before: TIANJIN SHINKUNTAI ADVANCED PRESTRESSING TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 |