CN108302277A - A kind of Wear-resistance leak-proof formula compensator - Google Patents
A kind of Wear-resistance leak-proof formula compensator Download PDFInfo
- Publication number
- CN108302277A CN108302277A CN201810298084.XA CN201810298084A CN108302277A CN 108302277 A CN108302277 A CN 108302277A CN 201810298084 A CN201810298084 A CN 201810298084A CN 108302277 A CN108302277 A CN 108302277A
- Authority
- CN
- China
- Prior art keywords
- flange
- compensator
- wear
- bellows
- ontology
- 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.)
- Pending
Links
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 18
- 239000003063 flame retardant Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000035480 Ring chromosome 8 syndrome Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
Abstract
The invention discloses a kind of Wear-resistance leak-proof formula compensators, its structure includes compensator ontology, bellows, flange, guide shell, pull rod, valve, nut, flexible seal ring and nitrile rubber pad, the centre of the compensator ontology is equipped with bellows, the centre of the bellows is equipped with guide shell, the side of the bellows is equipped with valve, the both ends of the compensator ontology are equipped with flange, the centre of the flange is connected with pull rod, the both sides of the pull rod are connected by nut, the side of the flange is equipped with flexible seal ring, the outside of the flexible seal ring is equipped with nitrile rubber pad in one week, the flange is internally provided with inner tube, the both ends of said inner tube are equipped with secondary filter net, fastener is distributed in the side of the secondary filter net.The Wear-resistance leak-proof formula compensator, seals when efficiently connecting compensator ontology, avoids leakage from causing danger, securely and reliably, is easily installed and dismantles, and intermediate gas or liquid is filtered, Wear-resistant corrosion-resistant.
Description
Technical field
Compensator equipment technical field of the present invention, specially a kind of Wear-resistance leak-proof formula compensator.
Background technology
Compensator is traditionally also expansion joint or telescopic joint.By bellows (a kind of elasticity member for constituting its operative body
Part) and the attachmentes composition such as end pipe, holder, flange, conduit.Belong to a kind of compensating element,.Utilize having for its operative body bellows
Dilatation is imitated, the change in size or compensation pipes that are generated with absorption line, conduit, container etc. by the reasons such as expanding with heat and contract with cold,
The axial of conduit, container etc., transverse direction and angular displacement.It can also be used for noise-and-vibration-reduction.It is widely used in modern industry.Heat supply
On, when heat supply pipeline heats up in order to prevent, pipe deforming or destruction are caused due to thermal stretching or temperature stress, is needed in pipeline
Upper setting compensator, to compensate the thermal stretching of pipeline, to reduce the stress of tube wall and act on valve member or supporting structure
Active force.
The sealing performance of existing compensator is poor, causes to reveal when may use, or even cause danger, and bad control
The opening and closing of compensator processed, and existing compensator cannot filter internal gas and liquid, it is difficult to meet existing
Compensator use demand.
Invention content
The purpose of the present invention is to provide a kind of Wear-resistance leak-proof formula compensators, solve asking proposed in background technology
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of Wear-resistance leak-proof formula compensator, structure include
Compensator ontology, bellows, flange, guide shell, pull rod, valve, nut, flexible seal ring and nitrile rubber pad, the compensation
The centre of device ontology is equipped with bellows, and the centre of the bellows is equipped with guide shell, and the side of the bellows is equipped with valve, institute
The both ends for stating compensator ontology are equipped with flange, and the centre of the flange is connected with pull rod, and the both sides of the pull rod are connected by nut
It connects, the side of the flange is equipped with flexible seal ring, and the outside of the flexible seal ring is equipped with nitrile rubber pad, the method in one week
Blue is internally provided with inner tube, and the both ends of said inner tube are equipped with secondary filter net, and fastening is distributed in the side of the secondary filter net
Part；The compensator ontology is made of explosion-proof reinforced pipe, fire-retardant fireproof layer, etch resistant layer and wearing layer, the compensator ontology
Outside be equipped with wearing layer, the inside of the wearing layer is equipped with etch resistant layer, and the inside of the etch resistant layer is equipped with fire-retardant fireproof
The inside of layer, the fire-retardant fireproof layer is equipped with explosion-proof reinforced pipe.
As a kind of preferred embodiment of the present invention, the inside of the fastener is inlaid with spring, and the spring is not
Rust steel material, convenient for being mounted directly dismounting in the inside both ends of inner tube, elastic force is high, and tightness is strong.
As a kind of preferred embodiment of the present invention, the thickness of the explosion-proof reinforced pipe is more than fire-retardant fireproof layer, anti-corruption
Layer and wearing layer are lost, effectively embodies the explosion-proof of compensator ontology, intensity is high, durable.
As a kind of preferred embodiment of the present invention, fixing device is distributed in the side welding of the flange, described solid
The centre for determining device is equipped with threaded hole, easy to use convenient in intermediate connecting rod.
As a kind of preferred embodiment of the present invention, through-hole is distributed with for one week in the flange, and the through-hole is straight
Diameter is 0.95cm, is easily installed the multiple objects of connection, and use scope is wide.
Compared with prior art, beneficial effects of the present invention are as follows：
1. the Wear-resistance leak-proof formula compensator can by the flexible seal ring and nitrile rubber pad being arranged in the side of flange
It is sealed when efficiently compensator ontology being connected, avoids leakage from causing danger, securely and reliably, double-layer seal part makes sealing performance
Increase, reasonable design, it is easy to accomplish.
2. the Wear-resistance leak-proof formula compensator passes through side by the secondary filter net in the inside both ends setting for repaying device ontology
The fastener in portion is fixed, and is easily installed and is dismantled, and intermediate gas or liquid is filtered, easy to use, wear-resisting anti-corruption
Erosion, hardness is big, and intensity is high.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of overall structure figure of Wear-resistance leak-proof formula compensator of the present invention；
Fig. 2 is a kind of side portion structure figure of Wear-resistance leak-proof formula compensator of the present invention；
Fig. 3 is a kind of end construction figure of Wear-resistance leak-proof formula compensator of the present invention；
Fig. 4 is a kind of filter screen structure figure of Wear-resistance leak-proof formula compensator of the present invention；
Fig. 5 is a kind of material-structure figure of Wear-resistance leak-proof formula compensator of the present invention.
In figure:Compensator ontology -1, bellows -2, flange -3, guide shell -4, pull rod -5, valve -6, nut -7, flexibility
Sealing ring -8, through-hole -10, fixing device -11, inner tube -12, secondary filter net -13, fastener -14, is prevented at nitrile rubber pad -9
Quick-fried reinforced pipe -15, fire-retardant fireproof layer -16, etch resistant layer -17, wearing layer -18.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of Wear-resistance leak-proof formula compensator, structure include mending
Repay device ontology 1, bellows 2, flange 3, guide shell 4, pull rod 5, valve 6, nut 7, flexible seal ring 8 and nitrile rubber pad 9, institute
The centre for stating compensator ontology 1 is equipped with bellows 2, and the centre of the bellows 2 is equipped with guide shell 4, the side of the bellows 2
Equipped with valve 6, the both ends of the compensator ontology 1 are equipped with flange 3, and the centre of the flange 3 is connected with pull rod 5, the pull rod 5
Both sides connected by nut 7, the side of the flange 3 is equipped with flexible seal ring 8, the outside of the flexible seal ring 8 one week
Equipped with nitrile rubber pad 9, the flange 3 is internally provided with inner tube 12, and the both ends of said inner tube 12 are equipped with secondary filter net 13, institute
Fastener 14 is distributed in the side for stating secondary filter net 13；The compensator ontology 1 is by explosion-proof reinforced pipe 15, fire-retardant fireproof layer
16, etch resistant layer 17 and wearing layer 18 form, and the outside of the compensator ontology 1 is equipped with wearing layer 18, the wearing layer 18
Inside is equipped with etch resistant layer 17, and the inside of the etch resistant layer 17 is equipped with fire-retardant fireproof layer 16, the fire-retardant fireproof layer 16 it is interior
Side is equipped with explosion-proof reinforced pipe 15.
Referring to Fig. 3, the inside of the fastener 14 is inlaid with spring, the spring is stainless steel, convenient for direct
For installing and dismounting in the inside both ends of inner tube 12, elastic force is high, and tightness is strong.
Referring to Fig. 4, the thickness of the explosion-proof reinforced pipe 15 is more than fire-retardant fireproof layer 16, etch resistant layer 17 and wearing layer
18, the explosion-proof of compensator ontology 1 is effectively embodied, intensity is high, durable.
Referring to Fig. 2, fixing device 11 is distributed in the side welding of the flange 3, the centre of the fixing device 11 is set
There is threaded hole, it is easy to use convenient in intermediate connecting rod 5.
Referring to Fig. 2, through-hole 10 is distributed within one week of the flange 3, and a diameter of 0.95cm of the through-hole 10, it is convenient for
Installation connects multiple objects, and use scope is wide.
A kind of Wear-resistance leak-proof formula compensator of the present invention, by the flexible seal ring 8 and nitrile rubber of 3 side of flange
Pad 9 so that good seal performance, nitrile rubber are by butadiene and acrylonitrile through made from emulsion polymerization, nitrile rubber is main
It is produced using emulsion polymerization at low temperature, oil resistivity is fabulous, and wearability is higher, and heat resistance is preferable, and bonding force is strong.Nitrile rubber is main
For manufacturing oil resistant rubber product, abbreviation NBR, by butadiene and acrylonitrile compolymer prepared by a kind of synthetic rubber.It is oil resistant
(especially alkane oil), the preferable synthetic rubber of ageing-resistant performance.In nitrile rubber acrylonitrile content (%) have 42~46,36~
41,31~35,25~30,18~24 etc. five kinds.Acrylonitrile content is more, and oil resistivity is better, but cold resistance then accordingly declines.It
It can for a long time be used in 120 DEG C of air or in 150 DEG C of oil.In addition, it also have good water resistance, air-tightness and
Excellent adhesive property, the etch resistant layer 17 and wearing layer 18 of setting are more wear-resisting, durable, anticorrosive.
Compensator ontology 1, bellows 2, flange 3, guide shell 4, pull rod 5, valve 6, nut 7, the flexible sealing of the present invention
Circle 8, nitrile rubber pad 9, through-hole 10, fixing device 11, inner tube 12, secondary filter net 13, fastener 14, explosion-proof reinforced pipe 15,
Fire-retardant fireproof layer 16, etch resistant layer 17, wearing layer 18, component are universal standard part or the portion that those skilled in the art know
Part, structure and principle, which are all this technology personnel, can be learnt by technical manual or be known by routine experiment method, this hair
It is bright solve the problems, such as be existing compensator sealing performance it is poor, cause to reveal when may use, or even cause danger, and
The opening and closing of bad control compensator, and existing compensator cannot filter internal gas and liquid, it is difficult to it is full
The problems such as use demand of the existing compensator of foot, the present invention is combined with each other by above-mentioned component, by the side of flange
The flexible seal ring and nitrile rubber pad of setting seal when can efficiently connect compensator ontology, and leakage is avoided to cause danger,
Securely and reliably, double-layer seal part makes sealing performance increase, reasonable design, it is easy to accomplish.By in the inside two for repaying device ontology
The secondary filter net for holding setting, is fixed by the fastener of side, is easily installed and dismantles, and by intermediate gas or liquid
Body filters, and easy to use, Wear-resistant corrosion-resistant, hardness is big, and intensity is high.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of Wear-resistance leak-proof formula compensator, structure includes compensator ontology (1), bellows (2), flange (3), guide shell
(4), pull rod (5), valve (6), nut (7), flexible seal ring (8) and nitrile rubber pad (9), it is characterised in that：The compensation
The centre of device ontology (1) is equipped with bellows (2), and the centre of the bellows (2) is equipped with guide shell (4), the bellows (2)
Side is equipped with valve (6), and the both ends of the compensator ontology (1) are equipped with flange (3), and the centre of the flange (3) is connected with drawing
The both sides of bar (5), the pull rod (5) are connected by nut (7), and the side of the flange (3) is equipped with flexible seal ring (8), institute
The outside one week for stating flexible seal ring (8) is equipped with nitrile rubber pad (9), and the flange (3) is internally provided with inner tube (12), described
The both ends of inner tube (12) are equipped with secondary filter net (13), and fastener (14) is distributed in the side of the secondary filter net (13)；
The compensator ontology (1) is by explosion-proof reinforced pipe (15), fire-retardant fireproof layer (16), etch resistant layer (17) and wearing layer (18)
The outside of composition, the compensator ontology (1) is equipped with wearing layer (18), and the inside of the wearing layer (18) is equipped with etch resistant layer
(17), the inside of the etch resistant layer (17) is equipped with fire-retardant fireproof layer (16), and the inside of the fire-retardant fireproof layer (16), which is equipped with, prevents
Quick-fried reinforced pipe (15).
2. a kind of Wear-resistance leak-proof formula compensator according to claim 1, it is characterised in that：The inside of the fastener (14)
It is inlaid with spring, the spring is stainless steel.
3. a kind of Wear-resistance leak-proof formula compensator according to claim 1, it is characterised in that：The explosion-proof reinforced pipe (15)
Thickness is more than fire-retardant fireproof layer (16), etch resistant layer (17) and wearing layer (18).
4. a kind of Wear-resistance leak-proof formula compensator according to claim 1, it is characterised in that：It welds the side of the flange (3)
It connects and fixing device (11) is distributed with, the centre of the fixing device (11) is equipped with threaded hole.
5. a kind of Wear-resistance leak-proof formula compensator according to claim 1, it is characterised in that：One week of the flange (3) point
It is furnished with through-hole (10), and a diameter of 0.95cm of the through-hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298084.XA CN108302277A (en) | 2018-04-04 | 2018-04-04 | A kind of Wear-resistance leak-proof formula compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298084.XA CN108302277A (en) | 2018-04-04 | 2018-04-04 | A kind of Wear-resistance leak-proof formula compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302277A true CN108302277A (en) | 2018-07-20 |
Family
ID=62847049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810298084.XA Pending CN108302277A (en) | 2018-04-04 | 2018-04-04 | A kind of Wear-resistance leak-proof formula compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302277A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486281A (en) * | 2020-04-03 | 2020-08-04 | 黄杉杉 | Chemical pipeline capable of preventing leakage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1931864A1 (en) * | 1969-06-24 | 1971-01-07 | Berghoefer Dipl Kfm Hans | Pipe expansion joint |
| CN2874186Y (en) * | 2005-12-23 | 2007-02-28 | 王金针 | Natural gas pipeline compensator |
| CN203359276U (en) * | 2013-04-28 | 2013-12-25 | 江苏安普特防爆科技有限公司 | Novel double-layer obstructing anti-explosion oil storage tank |
| CN206802603U (en) * | 2017-05-19 | 2017-12-26 | 江苏建筑职业技术学院 | A kind of gas compensation device for heat-air conditioner energy-saving technology |
| CN207124437U (en) * | 2017-04-01 | 2018-03-20 | 江苏安靠智能输电工程科技股份有限公司 | A kind of gas pipeline bus with flange sealing structure |
| CN208295380U (en) * | 2018-04-04 | 2018-12-28 | 南京知行管业有限公司 | A kind of Wear-resistance leak-proof formula compensator |
-
2018
- 2018-04-04 CN CN201810298084.XA patent/CN108302277A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1931864A1 (en) * | 1969-06-24 | 1971-01-07 | Berghoefer Dipl Kfm Hans | Pipe expansion joint |
| CN2874186Y (en) * | 2005-12-23 | 2007-02-28 | 王金针 | Natural gas pipeline compensator |
| CN203359276U (en) * | 2013-04-28 | 2013-12-25 | 江苏安普特防爆科技有限公司 | Novel double-layer obstructing anti-explosion oil storage tank |
| CN207124437U (en) * | 2017-04-01 | 2018-03-20 | 江苏安靠智能输电工程科技股份有限公司 | A kind of gas pipeline bus with flange sealing structure |
| CN206802603U (en) * | 2017-05-19 | 2017-12-26 | 江苏建筑职业技术学院 | A kind of gas compensation device for heat-air conditioner energy-saving technology |
| CN208295380U (en) * | 2018-04-04 | 2018-12-28 | 南京知行管业有限公司 | A kind of Wear-resistance leak-proof formula compensator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486281A (en) * | 2020-04-03 | 2020-08-04 | 黄杉杉 | Chemical pipeline capable of preventing leakage |
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Application publication date: 20180720 |
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