CN201581412U - Undee steel web reinforced concrete tunnel and underground structure unit - Google Patents
Undee steel web reinforced concrete tunnel and underground structure unit Download PDFInfo
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- CN201581412U CN201581412U CN2009202001554U CN200920200155U CN201581412U CN 201581412 U CN201581412 U CN 201581412U CN 2009202001554 U CN2009202001554 U CN 2009202001554U CN 200920200155 U CN200920200155 U CN 200920200155U CN 201581412 U CN201581412 U CN 201581412U
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- reinforced concrete
- wavelike steel
- steel webplate
- unit
- camber
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 209
- 239000010959 steel Substances 0.000 title claims abstract description 209
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 44
- 238000003466 welding Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 8
- 239000004567 concrete Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The utility model relates to an undee steel web reinforced concrete tunnel, in particular to an undee steel web reinforced concrete tunnel and an underground structure unit applied to various traffic tunnels and underground reinforced concrete structures. The undee steel web reinforced concrete tunnel comprises a reinforced concrete base as well as an undee steel web camber unit arranged on the reinforced concrete base; the undee steel web camber unit is shaped like an arch; the undee steel web camber unit consists of one or two arc-shaped undee steel webs; the adjacent undee steel web camber units are connected with each other by a waterproof connecting device; and one surface of the undee steel web camber unit, facing to the hill body, is provided with bolts. In the utility model, the undee steel webs are connected with each other by the efficient waterproof connecting device, and the undee steel web reinforced concrete tunnel has the advantages of reducing construction quantity of the project, improving the strength of the arch-shaped tunnel structure, being convenient in installation, good in anti-seismic performance and waterproof performance, and the like.
Description
Technical field
The utility model relates to the corrugated steel web reinforced concrete structure, relates in particular to the corrugated steel web reinforced concrete tunnel and the underground structural unit that are applied to all kinds of traffic tunnels and underground reinforced concrete structure.
Background technology
The key position in traditional corrugated steel web reinforced concrete combined structure tunnel: Wavelike steel webplate and cross section are made up of the polylith Wavelike steel webplate, adopt common connected mode, because the limited length of Wavelike steel webplate, caused the quantity of the Wavelike steel webplate that a cross section uses too much, it as the patent No. of Pyeong San SI Co., Ltd. application 200410086448.6 patent of invention, the applying date is on October 20th, 2004, the day for announcing is on 04 26th, 2006, notification number is CN1763319, name is called underground steel plate structure thing and the job practices thereof of using corrugated sheet steel, comprises the reinforced concrete wall works; Be arranged at the upper surface of above-mentioned wall body structure thing and assemble, form circular-arc cross section on the whole, constitute a plurality of corrugated sheet steel works of tunnel structure by the overlapped mode in edge; And the backfill of clogging the upper end of above-mentioned corrugated sheet steel works, when forming above-mentioned corrugated sheet steel works, the upper waveform edges of plate overlapping with the lower waveform steel plate is assembled on the lower waveform edges of plate, more approaches visible edge and the binder bolt that is provided with is fastening in ditch.Owing to used too much Wavelike steel webplate on a cross section, make the rigidity in arch form tunnel reduce, simultaneously, all need linkage to connect between numerous Wavelike steel webplates, directly caused the increase of the construction volume of engineering, and the hidden danger point that leaks also increases simultaneously, makes applying of this class formation cause certain difficulty.
Summary of the invention
The utility model adopts more Wavelike steel webplate to be formed by connecting at the underground steel plate structure thing of corrugated sheet steel in the prior art, make the rigidity in arch form tunnel reduce, engineering great in constructing amount, shortcomings such as waterproof effect difference, provide each cross section only to adopt one or two Wavelike steel webplates to be formed by connecting, be connected by effective waterproof linkage between Wavelike steel webplate and the Wavelike steel webplate, have easy for installation, reduce the construction volume of engineering, improve the intensity of arch form tunnel structure and the corrugated steel web reinforced concrete tunnel and the underground structural unit of water resistance.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Corrugated steel web reinforced concrete tunnel and underground structural unit, comprise reinforced concrete plinth, be arranged on the Wavelike steel webplate camber unit on the reinforced concrete plinth, described Wavelike steel webplate camber unit is an arch, Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of one or two circular arc, connect by the waterproof linkage between the adjacent Wavelike steel webplate camber unit, nail is fastened with simultaneously being provided with towards massif in Wavelike steel webplate camber unit.Wavelike steel webplate camber unit is an arch, therefore satisfying under the prerequisite of certain structural strength, adopt the Wavelike steel webplate saving a large amount of constructional materials more a large amount of than common steel plate, simultaneously, the part that connects connects by the waterproof linkage, guarantees bonding strength and has the excellent waterproof obturation effect.Moreover, each Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of one or two circular arc, compare with the camber structure that the Wavelike steel webplate that adopts more than three is formed have easy for installation, reduce the construction volume of engineering, improved the intensity and the water resistance of efficiency of construction and arch form tunnel structure.Nail is fastened with simultaneously being provided with towards massif in Wavelike steel webplate camber unit, because need to build between Wavelike steel webplate and the massif by cement, and be provided with fasten nail after, can increase the contact area of steel concrete and Wavelike steel webplate camber unit, effectively strengthen the bonding strength between Wavelike steel webplate, cement, the massif three, make structure more stable.Connect in the middle of the Wavelike steel webplate arch ring cross section, adopt tenon notch type or electric welding to connect.
As preferably, described Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of two quadrant shapes, adopt the butt welding welding between the Wavelike steel webplate, Wavelike steel webplate and steel plate are by being welded to connect, and steel plate is arranged on the middle and lower part of reinforced concrete plinth.Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of two quadrant shapes, therefore be fit to some medium-sized tunnels and build, and the Wavelike steel webplate work in-process of quadrant shape is also fairly simple, and is very convenient in the process of transportation.
As preferably, described Wavelike steel webplate camber unit is made up of a semicircle Wavelike steel webplate, and Wavelike steel webplate and steel plate are by being welded to connect, and steel plate is arranged on the middle and upper part of reinforced concrete plinth.Wavelike steel webplate camber unit is made up of a semicircle Wavelike steel webplate, has improved the water resistance of total, has reduced the installation of engineering, consumes when having shortened construction greatly.
As preferably, described waterproof linkage is to weld by overlap welding between the adjacent waveform steel web camber unit.Convenient between the adjacent waveform steel web camber unit by the overlap welding welding operation, the height of can increasing work efficiency greatly, advantage such as the airtight waterproof performance after the welding is good.
As preferably, described waterproof linkage comprises sealing rod that is arranged between the adjacent waveform steel web camber unit and the fastening bolt that is arranged on the sealing rod inboard, the both sides of Wavelike steel webplate camber unit connect seam also by the welding rod welding, and the junction of fastening bolt and Wavelike steel webplate camber unit also is provided with waterproof washer.Connect by bolt between the Wavelike steel webplate, connect effect stability, and between Wavelike steel webplate, be provided with sealing rod, this sealing rod is the Y type sealing rod of water-swellable, has splendid waterproof effect, and connection seam in the outside of Wavelike steel webplate camber unit has good waterproof effect equally also by welding.
As preferably, described waterproof linkage comprises sealing rod that is arranged between the adjacent waveform steel web camber unit and the fastening bolt that is arranged on the sealing rod both sides, the inside and outside both sides of Wavelike steel webplate camber unit connect seam also by the welding rod welding, and the junction of fastening bolt and Wavelike steel webplate camber unit also is provided with waterproof washer.Be connected and fixed by two bolts between the Wavelike steel webplate, good connecting effect makes overall structure more stable.
As preferably, described sealing rod comprises a horizontal bar, and two bars that stretch out about horizontal bar place plane symmetry, stretches out to form an obtuse angle between the bar and dehisce, and dehisces towards outside, camber unit.Sealing rod is the Y type sealing rod of water-swellable, and the opening of Y type sealing rod is towards outside, camber unit, if leak accidentally, Y type sealing rod is met water and is just expanded, so be full of the space, cause dehiscing becoming big simultaneously, make that the slit between the Wavelike steel webplate becomes littler, effectively reached the purpose of waterproof.
As preferably, be connected with steel plate on the end that described Wavelike steel webplate links to each other with reinforced concrete plinth, be welded with on the steel plate and fasten nail.The Wavelike steel webplate end that links to each other with concrete pedestal also is connected with steel plate, is welded with on the steel plate and fastens nail, has therefore improved whole Wavelike steel webplate camber unit and concrete bond strength.
As preferably, described steel plate is provided with perforate, and perforate is provided with the perforate tenon, runs through reinforcing bar in the perforate tenon.Steel plate is provided with perforate, and the perforate tenon is set in the perforate can play a protective role to reinforcing bar, make steel plate be not easy because of the shearing force that is subjected to reinforcing bar impaired.
The utility model is owing to adopted above technical scheme, have significant technique effect: Wavelike steel webplate camber unit is an arch, therefore under the prerequisite that satisfies the structural strength requirement, the constructional materials that adopted the Wavelike steel webplate saving more a large amount of than common steel plate, simultaneously, the part that connects connects by the waterproof linkage, has the excellent waterproof obturation effect.Moreover, each Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of one or two circular arc, compare with the camber structure that the Wavelike steel webplate that adopts more than three is formed have easy for installation, reduce the construction volume of engineering, and globality, bearing capacity, rigidity and anti-fatigue performance with structure are all higher, and advantages such as hidden danger point is few link and leak.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the enlarged drawing of junction between the I portion Wavelike steel webplate among Fig. 1.
Fig. 4 be among Fig. 1, Fig. 2 A-A ' section along the I type linkage structural representation of II direction.
Fig. 5 be among Fig. 1, Fig. 2 A-A ' section along the II type linkage structural representation of II direction.
Fig. 6 be among Fig. 1, Fig. 2 A-A ' section along the III type linkage structural representation of II direction.
Fig. 7 is the enlarged drawing of III portion among Fig. 1.
Fig. 8 is the perspective view of sealing rod.
The toponym that each number designation referred in the above accompanying drawing is as follows: wherein 1-reinforced concrete plinth, 2-Wavelike steel webplate camber unit, 3-waterproof linkage, 4-steel plate, 5-fasten that nail, 6-steel concrete, 7-fastening bolt, 8-welding rod, 9-massif, 21-Wavelike steel webplate, 31-sealing rod, 32-horizontal bar, 33-stretch out that bar, 34-stretch out that bar, 35-are dehisced, 41-perforate, 42-perforate tenon, 61-reinforcing bar, 71-fastening bolt, 77-waterproof washer.
The specific embodiment
Below in conjunction with accompanying drawing 1 to the accompanying drawing 8 and the specific embodiment the utility model is described in further detail:
Corrugated steel web reinforced concrete tunnel and underground structural unit, shown in Fig. 1,3,4,7,8, comprise reinforced concrete plinth 1, be arranged on the Wavelike steel webplate camber unit 2 on the reinforced concrete plinth 1, described Wavelike steel webplate camber unit 2 is an arch, Wavelike steel webplate camber unit 2 is made up of the Wavelike steel webplate 21 of one or two circular arc, connect by waterproof linkage 3 between the adjacent Wavelike steel webplate camber unit 2, nail 5 is fastened with simultaneously being provided with towards massif in Wavelike steel webplate camber unit 2.Wavelike steel webplate camber unit is an arch, therefore satisfying under the prerequisite of certain structural strength, adopt the Wavelike steel webplate saving a large amount of constructional materials more a large amount of than common steel plate, simultaneously, the part that connects connects by the waterproof linkage, guarantees bonding strength and has the excellent waterproof obturation effect.After Wavelike steel webplate camber unit 2 is provided with and fastens nail 5, can increase the bonding strength of steel concrete 6 and Wavelike steel webplate camber unit 2.
Described Wavelike steel webplate camber unit 2 is made up of the Wavelike steel webplate 21 of two quadrant shapes, adopt the butt welding welding between the Wavelike steel webplate 21, Wavelike steel webplate 21 and steel plate 4 are by being welded to connect, and steel plate 4 is arranged on the middle and lower part of reinforced concrete plinth 1.Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of two quadrant shapes, and therefore very convenient in the process of transportation, the welding between the Wavelike steel webplate can be that one side welding also can adopt double welding.
Described waterproof linkage 3 is to weld by overlap welding between the adjacent waveform steel web camber unit 2.Convenient between the adjacent waveform steel web camber unit by the overlap welding welding operation, the height of can increasing work efficiency greatly, advantage such as the airtight waterproof performance after the welding is good.
Be connected with steel plate 4 on Wavelike steel webplate 21 and the end that reinforced concrete plinth 1 links to each other, be welded with on the steel plate 4 and fasten nail 5.The Wavelike steel webplate end that links to each other with concrete pedestal also is connected with steel plate, is welded with on the steel plate and fastens nail, has therefore improved whole Wavelike steel webplate camber unit and concrete bond strength.
Described steel plate 4 is provided with perforate 41, and perforate 41 is provided with perforate tenon 42, runs through reinforcing bar 61 in the perforate tenon 42.Steel plate is provided with perforate, and the perforate tenon is set in the perforate can play a protective role to reinforcing bar, make steel plate be not easy because of the shearing force that is subjected to reinforcing bar impaired.
Corrugated steel web reinforced concrete tunnel and underground structural unit, shown in Fig. 2,6,7,8, comprise reinforced concrete plinth 1, be arranged on the Wavelike steel webplate camber unit 2 on the reinforced concrete plinth 1, described Wavelike steel webplate camber unit 2 is an arch, Wavelike steel webplate camber unit 2 is made up of the Wavelike steel webplate 21 of one or two circular arc, connect by waterproof linkage 3 between the adjacent Wavelike steel webplate camber unit 2, nail 5 is fastened with simultaneously being provided with towards massif in Wavelike steel webplate camber unit 2.。Wavelike steel webplate camber unit is an arch, therefore satisfying under the prerequisite of certain structural strength, adopt the Wavelike steel webplate saving a large amount of constructional materials more a large amount of than common steel plate, simultaneously, the part that connects connects by the waterproof linkage, guarantees bonding strength and has the excellent waterproof obturation effect.Moreover, each Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of one or two circular arc, compare with the camber structure that the Wavelike steel webplate that adopts more than three is formed have easy for installation, reduce the construction volume of engineering, improved the intensity and the water resistance of efficiency of construction and arch form tunnel structure.After Wavelike steel webplate camber unit 2 is provided with and fastens nail 5, can increase the bonding strength of steel concrete 6 and Wavelike steel webplate camber unit 2.
Described Wavelike steel webplate camber unit 2 is made up of a semicircle Wavelike steel webplate 21, and Wavelike steel webplate 21 and steel plate 4 are by being welded to connect, and steel plate 4 is arranged on the middle and upper part of reinforced concrete plinth 1.Wavelike steel webplate camber unit is made up of the Wavelike steel webplate of a circular arc, compare with the camber structure that the Wavelike steel webplate that adopts more than three is formed have easy for installation, reduced the installation connector, reduce the construction volume of engineering, improved advantages such as the intensity of efficiency of construction and arch form tunnel structure and water resistance.
Described waterproof linkage 3 comprises sealing rod 31 that is arranged between the adjacent waveform steel web camber unit 2 and the fastening bolt 7,71 that is arranged on sealing rod 31 both sides, the inside and outside both sides of Wavelike steel webplate camber unit 2 connect seam also by welding rod 8 welding, and the junction of fastening bolt 7,71 and Wavelike steel webplate camber unit 2 also is provided with waterproof washer 77.
Described sealing rod 31 comprises a horizontal bar 32, and two about horizontal bar 32 place plane symmetry stretch out bar 33,34, stretch out and form an obtuse angle between the bar 33,34 and dehisce 35, dehisce 35 towards 2 outsides, camber unit.Sealing rod is the Y type sealing rod of water-swellable, and the opening of Y type sealing rod is towards outside, camber unit, if leak accidentally, Y type sealing rod is met water and is just expanded, so be full of the space, cause dehiscing becoming big simultaneously, make that the slit between the Wavelike steel webplate becomes littler, effectively reached the purpose of waterproof.
Be connected with steel plate 4 on Wavelike steel webplate 21 and the end that reinforced concrete plinth 1 links to each other, be welded with on the steel plate 4 and fasten nail 5.The Wavelike steel webplate end that links to each other with concrete pedestal also is connected with steel plate, is welded with on the steel plate and fastens nail, has therefore improved whole Wavelike steel webplate camber unit and concrete bond strength.
Described steel plate 4 is provided with perforate 41, and perforate 41 is provided with perforate tenon 42, runs through reinforcing bar 61 in the perforate tenon 42.Steel plate is provided with perforate, and the perforate tenon is set in the perforate can play a protective role to reinforcing bar, make steel plate be not easy because of the shearing force that is subjected to reinforcing bar impaired.
In a word, the above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (8)
1. corrugated steel web reinforced concrete tunnel and underground structural unit, comprise reinforced concrete plinth (1), be arranged on the Wavelike steel webplate camber unit (2) on the reinforced concrete plinth (1), it is characterized in that: described Wavelike steel webplate camber unit (2) is arch, Wavelike steel webplate camber unit (2) is made up of the Wavelike steel webplate (21) of one or two circular arc, connect by waterproof linkage (3) between the adjacent Wavelike steel webplate camber unit (2), nail (5) is fastened with simultaneously being provided with towards massif in Wavelike steel webplate camber unit (2).
2. corrugated steel web reinforced concrete tunnel according to claim 1 and underground structural unit, it is characterized in that: described Wavelike steel webplate camber unit (2) is made up of the Wavelike steel webplate (21) of two quadrant shapes, adopt the butt welding welding between the Wavelike steel webplate (21), Wavelike steel webplate (21) and steel plate (4) are by being welded to connect, and steel plate (4) is arranged on the middle and lower part of reinforced concrete plinth (1).
3. corrugated steel web reinforced concrete tunnel according to claim 1 and underground structural unit, it is characterized in that: described Wavelike steel webplate camber unit (2) is made up of a semicircle Wavelike steel webplate (21), Wavelike steel webplate (21) and steel plate (4) are by being welded to connect, and steel plate (4) is arranged on the middle and upper part of reinforced concrete plinth (1).
4. according to claim 2 or 3 described corrugated steel web reinforced concrete tunnel and underground structural units, it is characterized in that: described waterproof linkage (3) welds by overlap welding between the adjacent waveform steel web camber unit (2).
5. according to claim 2 or 3 described corrugated steel web reinforced concrete tunnel and underground structural units, it is characterized in that: described waterproof linkage (3) comprises the sealing rod (31) that is arranged between the adjacent waveform steel web camber unit (2) and is arranged on the inboard fastening bolt (7) of sealing rod (31), the both sides of Wavelike steel webplate camber unit (2) connect seam also by welding rod (8) welding, and fastening bolt (7) also is provided with waterproof washer (77) with the junction of Wavelike steel webplate camber unit (2).
6. according to claim 2 or 3 described corrugated steel web reinforced concrete tunnel and underground structural units, it is characterized in that: the fastening bolt (7,71) that described waterproof linkage (3) comprises the sealing rod (31) that is arranged between the adjacent waveform steel web camber unit (2) and is arranged on sealing rod (31) both sides, the inside and outside both sides of Wavelike steel webplate camber unit (2) connect seam also by welding rod (8) welding, and fastening bolt (7,71) also is provided with waterproof washer (77) with the junction of Wavelike steel webplate camber unit (2).
7. corrugated steel web reinforced concrete tunnel according to claim 5 and underground structural unit, it is characterized in that: described sealing rod (31) comprises a horizontal bar (32), and two stretched out bar (33,34) about horizontal bar (32) place plane symmetry, stretch out between the bar (33,34) and to form an obtuse angle dehisce (35), dehisce (35) are towards outside, camber unit (2).
8. corrugated steel web reinforced concrete tunnel according to claim 1 and underground structural unit, it is characterized in that: described steel plate (4) is provided with perforate (41), perforate (41) is provided with perforate tenon (42), runs through reinforcing bar (61) in the perforate tenon (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202001554U CN201581412U (en) | 2009-11-11 | 2009-11-11 | Undee steel web reinforced concrete tunnel and underground structure unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202001554U CN201581412U (en) | 2009-11-11 | 2009-11-11 | Undee steel web reinforced concrete tunnel and underground structure unit |
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| Publication Number | Publication Date |
|---|---|
| CN201581412U true CN201581412U (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202001554U Expired - Fee Related CN201581412U (en) | 2009-11-11 | 2009-11-11 | Undee steel web reinforced concrete tunnel and underground structure unit |
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| CN (1) | CN201581412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173061A (en) * | 2019-05-09 | 2019-08-27 | 重庆金徽博鑫工艺品有限公司 | A kind of energy conservation steel construction unit |
-
2009
- 2009-11-11 CN CN2009202001554U patent/CN201581412U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173061A (en) * | 2019-05-09 | 2019-08-27 | 重庆金徽博鑫工艺品有限公司 | A kind of energy conservation steel construction unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG CTB CORRUGATED STEEL WEB CO., LTD. Free format text: FORMER OWNER: SUN TIANMING Effective date: 20130314 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311201 HANGZHOU, ZHEJIANG PROVINCE TO: 314422 HANGZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130314 Address after: 314422, No. 168-2, village, town, Hangzhou, Xiaoshan District, Zhejiang Patentee after: Zhejiang CTB Corrugated Steel Web Co., Ltd. Address before: 311201, No. 144, heart road, Xiaoshan District, Zhejiang, Hangzhou Patentee before: Sun Tianming |
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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: 20100915 Termination date: 20181111 |