CN206189457U - Piping lane and waterproof node thereof - Google Patents
Piping lane and waterproof node thereof Download PDFInfo
- Publication number
- CN206189457U CN206189457U CN201621175943.9U CN201621175943U CN206189457U CN 206189457 U CN206189457 U CN 206189457U CN 201621175943 U CN201621175943 U CN 201621175943U CN 206189457 U CN206189457 U CN 206189457U
- Authority
- CN
- China
- Prior art keywords
- piping lane
- tube coupling
- groove
- concatenation
- tongue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000008878 coupling Effects 0.000 claims abstract description 43
- 238000010168 coupling process Methods 0.000 claims abstract description 43
- 238000005859 coupling reaction Methods 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 30
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000004078 waterproofing Methods 0.000 claims description 33
- 210000003205 muscle Anatomy 0.000 claims description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 8
- 229920000742 Cotton Polymers 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000011440 grout Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000007569 slipcasting Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater 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
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model belongs to municipal architecture engineering field discloses the waterproof node of a piping lane, including the two pipe joint festivals of adjacent setting, the two pipe joints festival of adjacent setting adopts the tongue -and -groove concatenation, at least one side of two pipe joints festival concatenation end is equipped with the chamfer and through the mortar shutoff, is equipped with sealing gasket, a lesson at least in the concatenation seam of opposite side the concatenation end of tube coupling is equipped with the injected hole, waterproof slurry has been filled in the concatenation seam. The utility model discloses the scene adopts the mortar shutoff to replace the template caulking joint, can practice thrift the raw and other materials piping lane and set up the chamfer, increase the contact cotton knot of mortar and piping lane lateral part, and then the adhesion stress of seam crossing is being pieced together to the increase mortar, the mode that adopts grout to caulk combines with sealing gasket, the waterproof synergism of implementation structure and physics, setting up of tongue -and -groove makes secret water transfer route increase simultaneously, increased simultaneously that dabbling waterproof slurry measure in the concatenation and with the area of contact of tube coupling concatenation, increase water -proof effects.
Description
Technical field
The utility model belongs to civic building engineering field, and in particular to a kind of piping lane and its waterproofing node.
Background technology
Underground pipe gallery as subterranean tunnel space structure, by level of ground water height, soil property, upper sides load variations shadow
Ring, for the underground pipe gallery of cast-in-place mode, rigidity is big, year will be long afterwards because uneven settlement of foundation will make Pipe rack longitudinal direction occur
Deformation, will also cause cross section crack occur and thus trigger a series of problem of durability and security when serious；Using pre-
The assembled pipe gallery of system can to a certain extent reduce Pipe rack longitudinal rigidity, reduce the influence of uneven settlement of foundation, but
It is that precast assembly produces substantial amounts of splicing seams, traditional piping lane waterproof type is the seam that waterproof material is placed in pipe gallery
Place, tends to twist in its seam crossing due to piping lane, the various modifications such as warpage, when torsional deformation occurs larger,
Easily ftractureed from seam crossing, so as to cause pipe gallery waterproof failure, and the water resistance time limit of conventional waterproof material is limited,
Such as water proof rubber bar, easy aging forfeiture water-proof function after the several years.
In sum, a kind of applicability of exploitation is needed badly extensively, easy construction can limited raising piping lane water resistance waterproof section
Point.
Utility model content
It is wide that the purpose of this utility model is to provide a kind of applicability, easy construction, can limited raising piping lane water resistance prevent
Water node and the piping lane including above-mentioned waterproofing node.
Above-mentioned purpose is to be achieved through the following technical solutions：A kind of waterproofing node of piping lane, including two sections being disposed adjacent
Tube coupling, the 2-section pipe section being disposed adjacent is spliced using tongue and groove, and at least side of the 2-section pipe section splice ends is provided with chamfering
And blocked by mortar, water-proof sealing strip is provided with the splicing seams of opposite side, the splice ends of at least one section tube coupling are provided with note
Slurry hole, waterproofing slurry is perfused with the splicing seams.In tube coupling prefabrication process, tongue and groove, chamfering and injected hole, piping lane are precast
On-site hoisting splicing sets water-proof sealing strip in the side of the splicing seams away from chamfering, the setting chamfering of piping lane splice ends
Side forms recess at splicing seams, and splicing seams are carried out into caulking joint by spreading high-strength mortar in recess, then by note
Slurry hole irrigates waterproofing slurry in splicing seams.In this way, scene replaces template caulking joint using mortar closure, can save material piping lane
Chamfering is set, increases the mortar cotton knot of the contact with piping lane sidepiece, and then increase cohesive force of the mortar at splicing seams；Using grouting
The mode of joint filling, is combined with water-proof sealing strip, realizes the synergy of structure and physics waterproof, while the setting of tongue and groove makes underground
Water transport path increases, while the waterproofing slurry that increased perfusion is measured and the contact area with tube coupling Mosaic face in splicing,
Increase waterproof effect.
Further, the injected hole is the bellows being embedded in the tube coupling, and the bellows connects the splicing of tube coupling
Face and medial surface.In this way, slip casting hole forming is simple, injected hole is pre-formed to avoid assembled process tube coupling from subsequently drilling to piping lane
Structure is damaged, while the operation of site operation can be saved, shortens construction period.
Further, at least it is provided with groove at the Mosaic face of bellows connection.It is arranged such, splicing seams set groove to be had
One increase mouth, space herein increases the circulation for being conducive to waterproofing slurry, and waterproofing slurry has enough flowing spaces, carries when flowing
Grouted density high, while contact cotton knot of the waterproofing slurry with Mosaic face can be increased, increases the cohesive force of the two.
Further, the water-proof sealing strip is water-swellable elastic rubber strip.Water-swellable elastic rubber strip waterproof effect
Good, ageing resistance is strong.
Further, one end of the tube coupling is provided with tenon, and the other end is provided with tongue-and-groove, and the 2-section pipe section being disposed adjacent exists
Tongue and groove splicing is formed in the tenon insertion tongue-and-groove of splice ends.
Further, the tube coupling for setting injected hole is provided with slurry outlet, and the slurry outlet is located at the top of injected hole.Slurry outlet
Set, be conducive to the discharge of air, it is ensured that the circulation of waterproofing slurry, while be conducive to judging the completion of slip casting, when slip casting is complete
Cheng Hou, preferably clogs sealing with stopper by injected hole and slurry outlet.
Further, the tube coupling is longitudinally provided with prestressing force and wears muscle hole, and the prestressing force is equipped with presstressed reinforcing steel in wearing muscle hole.
In this way, carrying out tensioning by prefabricated tube coupling by using prestress wire so that the prefabricated tube coupling of longitudinally disposed more piece with
And prefabricated intermediate plate is closely coupled, between reducing as far as possible between longitudinally disposed prefabricated tube coupling and between prefabricated intermediate plate
Gap so that its Mosaic face is closely adjacent to, improves the globality and water proofing property of piping lane.
Further, the prestressing force wears muscle hole and is arranged at the base plate of the tube coupling and the inside angle part of side plate junction.
To reach above-mentioned purpose, the utility model also provides a kind of piping lane, and the tube coupling by the two section above is assembled, including
The waterproofing node of the piping lane described at least one above-mentioned any one.The piping lane waterproof effect that the utility model is provided.
Further, the piping lane is divided into multiple pipe rooms, and at least one pipe room is drip chamber, and the top of the drip chamber is filter
Net, the drip chamber is located at the bottom of the piping lane.Carried out in this way, can prevent piping lane reclaimed water is separated in time when water is leaked
Discharge, it is to avoid all kinds of pipelines and the normal of equipment are used in water influence piping lane.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is the schematic diagram of the piping lane waterproofing node involved by a kind of implementation method of the utility model；
Fig. 2 is the Mosaic face schematic diagram of the tube coupling involved by a kind of implementation method of the utility model；
Fig. 3 is the lateral plate structure schematic diagram of the tube coupling involved by a kind of implementation method of the utility model.
In figure：
The water-proof sealing strip of 1 tube coupling, 2 tongue and groove, 3 splicing seams 4
The injected hole of 5 chamfering, 6 mortar, 7 waterproofing slurry 8
The tongue-and-groove of 9 slurry outlet, 10 groove, 11 tenon 12
13 prestressing force wear muscle hole
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to protection domain of the present utility model.Additionally, those skilled in the art's retouching according to presents
State, respective combination can be carried out to the feature in embodiment in presents and in different embodiments.
The utility model embodiment is as follows, reference picture 1 and Fig. 3, a kind of waterproofing node of piping lane, including two for being disposed adjacent
Section tube coupling 1, the 2-section pipe section 1 being disposed adjacent is spliced using tongue and groove 2, and at least side of the splice ends of 2-section pipe section 1 sets
There is chamfering 5 and blocked by mortar 6, water-proof sealing strip 4, the spelling of at least one section tube coupling 1 are provided with the splicing seams 3 of opposite side
Connect end and be provided with injected hole 8, waterproofing slurry 7 is perfused with the splicing seams 3.In the prefabrication process of tube coupling 1, tongue and groove 2, chamfering is precast
5 and injected hole 8, piping lane on-site hoisting splicing sets water-proof sealing strip 4, pipe in the side of the splicing seams 3 away from chamfering 5
The side of the setting chamfering 5 of corridor splice ends forms recess at splicing seams 3, will be spelled by spreading high-strength mortar 6 in recess
Seam 3 carries out caulking joint, and waterproofing slurry 7 is then irrigated in splicing seams 3 by injected hole 8.In this way, scene is blocked using mortar 6
Instead of template caulking joint, the piping lane that can save material sets chamfering 5, increases the cotton knot of the contact with piping lane sidepiece of mortar 6, and then increase
Cohesive force of the mortar 6 at splicing seams 3；By the way of joint filling of being in the milk, combined with water-proof sealing strip 4, realized structure and physics
The synergy of waterproof, while the setting of tongue and groove 2 increases underground water bang path, while increased the waterproofing slurry 7 of perfusion
Amount and the contact area with the Mosaic face of tube coupling 1 in splicing, increase waterproof effect.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1, the injected hole 8 is described to be embedded in
Bellows in tube coupling 1, the bellows connects the Mosaic face and medial surface of tube coupling 1.In this way, injected hole 8 is molded simply, slip casting
Hole 8 is pre-formed to avoid the follow-up drilling of assembled process tube coupling 1 from damaging Pipe rack, while site operation can be saved
Operation, shortens construction period.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1~3, the spelling at least being connected in bellows
Groove 10 is provided with junction.It is arranged such, splicing seams 3 are set an increase mouthful at groove 10, space increase herein is conducive to
The circulation of waterproofing slurry 7, waterproofing slurry 7 has enough flowing spaces when flowing, Grouted density is improved, while waterproof can be increased
Contact cotton knot of the slurry 7 with Mosaic face, increases the cohesive force of the two.
On the basis of above-described embodiment, in another embodiment of the present invention, the water-proof sealing strip 4 is water-swellable elasticity
Rubber strip.Water-swellable elastic rubber strip good water-proof effect, ageing resistance is strong.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1 and Fig. 3, one end of the tube coupling 1 sets
There is tenon 11, the other end is provided with tongue-and-groove 12, and the 2-section pipe section 1 being disposed adjacent is in the insertion tongue-and-groove 12 of tenon 11 of splice ends
Tongue and groove 2 is formed to splice.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1~3, the tube coupling 1 for setting injected hole 8 sets
There is slurry outlet 9, the slurry outlet 9 is located at the top of injected hole 8.The setting of slurry outlet 9, is conducive to the discharge of air, it is ensured that anti-
The circulation of water slurry 7, while be conducive to judging the completion of slip casting, after the completion of slip casting, preferably with stopper is by injected hole 8 and goes out
Slurry hole 9 clogs sealing.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 2, the longitudinal direction of the tube coupling 1 is provided with prestressing force
Muscle hole 13 is worn, the prestressing force is equipped with presstressed reinforcing steel in wearing muscle hole 13.In this way, by using prestress wire by pre-
Tubulation section 1 carries out tensioning so that the prefabricated tube coupling 1 of longitudinally disposed more piece and prefabricated intermediate plate are closely coupled, subtract as far as possible
Gap between few longitudinally disposed prefabricated tube coupling 1 and between prefabricated intermediate plate so that its Mosaic face is closely adjacent to, improves pipe
The globality and water proofing property of corridor.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 2, the prestressing force is worn muscle hole 13 and is set
In the base plate and the inside angle part of side plate junction of the tube coupling 1.
To reach above-mentioned purpose, the utility model also provides a kind of piping lane, and the tube coupling 1 by the two section above is assembled, bag
Include the waterproofing node of the piping lane described at least one above-mentioned any one.The piping lane waterproof effect that the utility model is provided.
On the basis of above-described embodiment, in another embodiment of the present invention, the piping lane is divided into multiple pipe rooms, at least one
Pipe room is drip chamber, and the top of the drip chamber is filter screen, and the drip chamber is located at the bottom of the piping lane.In this way, can prevent
Occur separating piping lane reclaimed water in time when water is leaked and discharge, it is to avoid all kinds of pipelines and the normal of equipment make in water influence piping lane
With.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of waterproofing node of piping lane, including the 2-section pipe section being disposed adjacent, it is characterised in that two sections being disposed adjacent
Tube coupling is spliced using tongue and groove, and at least side of the 2-section pipe section splice ends is provided with chamfering and is blocked by mortar, opposite side
Water-proof sealing strip is provided with splicing seams, the splice ends of at least one section tube coupling are provided with injected hole, are perfused with the splicing seams
Waterproofing slurry.
2. the waterproofing node of piping lane according to claim 1, it is characterised in that the injected hole is to be embedded in the tube coupling
In bellows, the bellows connects the Mosaic face and medial surface of tube coupling.
3. the waterproofing node of piping lane according to claim 2, it is characterised in that at least at the Mosaic face of bellows connection
It is provided with groove.
4. the waterproofing node of piping lane according to claim 3, it is characterised in that the water-proof sealing strip is water-swellable bullet
Property rubber strip.
5. the waterproofing node of piping lane according to claim 3, it is characterised in that one end of the tube coupling is provided with tenon, separately
One end is provided with tongue-and-groove, and the 2-section pipe section being disposed adjacent forms tongue and groove splicing in the tenon insertion tongue-and-groove of splice ends.
6. the waterproofing node of piping lane according to claim 3, it is characterised in that the tube coupling for setting injected hole is provided with pulp
Hole, the slurry outlet is located at the top of injected hole.
7. the waterproofing node of the piping lane according to claim 1~6 any one, it is characterised in that the tube coupling longitudinally sets
There is prestressing force to wear muscle hole, the prestressing force is equipped with presstressed reinforcing steel in wearing muscle hole.
8. the waterproofing node of piping lane according to claim 7, it is characterised in that the prestressing force wear muscle hole be arranged at it is described
The base plate of tube coupling and the inside angle part of side plate junction.
9. a kind of piping lane, assembled by two tube couplings for saving the above, it is characterised in that including at least one claim 1~8 times
The waterproofing node of the piping lane described in meaning one.
10. piping lane according to claim 9, it is characterised in that the piping lane is divided into multiple pipe rooms, and at least one pipe room is
Drip chamber, the top of the drip chamber is filter screen, and the drip chamber is located at the bottom of the piping lane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175943.9U CN206189457U (en) | 2016-11-02 | 2016-11-02 | Piping lane and waterproof node thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175943.9U CN206189457U (en) | 2016-11-02 | 2016-11-02 | Piping lane and waterproof node thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206189457U true CN206189457U (en) | 2017-05-24 |
Family
ID=58732200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621175943.9U Active CN206189457U (en) | 2016-11-02 | 2016-11-02 | Piping lane and waterproof node thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206189457U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867697A (en) * | 2018-08-31 | 2018-11-23 | 江苏金贸科技发展有限公司 | A kind of concrete prefabricated piping lane with antiseep preset structure |
| CN109667352A (en) * | 2019-01-16 | 2019-04-23 | 中南大学 | Assembled architecture prefabricated panel vertical abutment joint grouting method Alveolus type waterproof connecting structure |
| CN109798126A (en) * | 2019-02-28 | 2019-05-24 | 西南交通大学 | Prefabricated block, prefabricated tunnel unit, tunnel structure and construction method |
| CN113136892A (en) * | 2021-05-18 | 2021-07-20 | 中国五冶集团有限公司 | Pipe joint splicing device, splicing structure and splicing method of assembly type pipe gallery |
-
2016
- 2016-11-02 CN CN201621175943.9U patent/CN206189457U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867697A (en) * | 2018-08-31 | 2018-11-23 | 江苏金贸科技发展有限公司 | A kind of concrete prefabricated piping lane with antiseep preset structure |
| CN109667352A (en) * | 2019-01-16 | 2019-04-23 | 中南大学 | Assembled architecture prefabricated panel vertical abutment joint grouting method Alveolus type waterproof connecting structure |
| CN109798126A (en) * | 2019-02-28 | 2019-05-24 | 西南交通大学 | Prefabricated block, prefabricated tunnel unit, tunnel structure and construction method |
| CN113136892A (en) * | 2021-05-18 | 2021-07-20 | 中国五冶集团有限公司 | Pipe joint splicing device, splicing structure and splicing method of assembly type pipe gallery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Civil Architecture Friends Technology (Jiaozhou) Co., Ltd. Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: 2018430000023 Denomination of utility model: Piping lane and waterproof node thereof Granted publication date: 20170524 License type: Common License Record date: 20190102 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanning Zhongmin zhuyou Intelligent Manufacturing Technology Co., Ltd Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: X2019430000004 Denomination of utility model: Piping lane and waterproof node thereof Granted publication date: 20170524 License type: Common License Record date: 20191105 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiangxi Zhongmin zhuyou Technology Co., Ltd Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: X2020430000002 Denomination of utility model: Piping lane and waterproof node thereof Granted publication date: 20170524 License type: Common License Record date: 20200305 |
|
| CP03 | Change of name, title or address |
Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co., Ltd Address before: 410205 comprehensive building in Hunan province Changsha Kaifu District, No. 30 Xingang Road, Changsha Jinxia bonded logistics center room 2005 Patentee before: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT Ltd. |
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| CP03 | Change of name, title or address | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nantong Zhongmin zhuyou Zhizao Technology Co., Ltd Assignor: Zhuyou Zhizao Technology Investment Co., Ltd Contract record no.: X2020980007488 Denomination of utility model: A pipe gallery and its waterproof joint Granted publication date: 20170524 License type: Common License Record date: 20201105 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Yuanfeng Construction Engineering Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co., Ltd Contract record no.: X2021980000884 Denomination of utility model: A pipe gallery and its waterproof joint Granted publication date: 20170524 License type: Common License Record date: 20210203 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Hailong Construction Engineering Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co., Ltd Contract record no.: X2021980001039 Denomination of utility model: A pipe gallery and its waterproof joint Granted publication date: 20170524 License type: Common License Record date: 20210207 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan fengque Construction Engineering Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co., Ltd Contract record no.: X2021980010621 Denomination of utility model: A pipe gallery and its waterproof node Granted publication date: 20170524 License type: Common License Record date: 20211019 |