CN107869015B - Device and method for applying a dye liquor to a textile web - Google Patents
Device and method for applying a dye liquor to a textile web Download PDFInfo
- Publication number
- CN107869015B CN107869015B CN201710001015.3A CN201710001015A CN107869015B CN 107869015 B CN107869015 B CN 107869015B CN 201710001015 A CN201710001015 A CN 201710001015A CN 107869015 B CN107869015 B CN 107869015B
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- Prior art keywords
- dye liquor
- section
- fabric web
- application
- web
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000004753 textile Substances 0.000 title abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 238000009736 wetting Methods 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 55
- 230000007246 mechanism Effects 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
- D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
- D06B1/145—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller the treating material being kept in the trough formed between two or more rollers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
- D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
- D06B1/148—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller the treating material being supplied to the roller by spraying or pouring
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/02—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing rollers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
- D06B23/22—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for heating
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a device and a method for applying a dye liquor to a textile web, in particular to a device (1) for applying a dye liquor (20, 24) to a textile web (2), wherein the device (1) has a wetting section (3), an application section (15), an extrusion section (30) and a dye liquor collection assembly (27, 35). It is desirable to achieve a constant quality of the dye liquor application even over a longer period of time. For this purpose, the dye liquor collection assembly (27, 35) has a first collection basin (27) associated with the application section (15) and a second collection basin (35) associated with the extrusion section (30).
Description
Technical Field
The invention relates to a device for applying a dye liquor to a textile web, wherein the device has a wetting section, an application section, an extrusion section and a dye liquor collection assembly.
The invention further relates to a method for applying a dye liquor to a textile web, wherein the textile web is wetted in a wetting section, the dye liquor is applied in an application section and the textile web is extruded in an extrusion section, and the dye liquor is collected.
Background
The invention is described next by means of a yarn sheet provided with a size. For this purpose, the yarn sheet can be pulled out of the beam, for example, so that the individual yarns are located next to one another and the yarn sheet can be said to form a planar material.
The fabric web is first wetted. Water is typically used for wetting. The moistening is used to moisten the textile web with a liquid. The water should also be pushed into the core of the yarn. In this case, the consumption of dye liquor becomes less, since the dye liquor can only accumulate still at the surface of the fabric web.
The wetted fabric web is thereafter guided through the application section, where the dye liquor is applied to the fabric web. This application is usually carried out with a certain surplus, so that the dye liquor has fallen from the fabric web in the application section and is collected. The fabric web is extruded after the dye liquor is applied. This extrusion is carried out under pressure. This causes, in addition to the dye liquor, a certain portion of the water for wetting to be pressed out of the fabric web. The extruded dye liquor is collected together with the water and is introduced again into the application section together with the dye liquor collected in the application section.
However, this treatment has the disadvantage that more and more water reaches the dye liquor and thereby dilutes the dye liquor. To compensate for this dilution effect, the fabric web per length must be applied with increasing amounts of dye liquor over time and still cannot be guaranteed, which is constant to some extent.
Disclosure of Invention
The invention is based on the task of realizing a constant quality of the dye liquor application.
The object is achieved in the case of a device of the type mentioned at the outset in that the dye liquor collection assembly has a first collection basin associated with the application section and a second collection basin associated with the extrusion section.
In this way, two different portions of the dye liquor can be collected, namely one (einmal) from the application section with little dilution and one from the extrusion section with dilution. This prevents the diluted dye liquor originating from the extrusion section from diluting the dye liquor applied in the application section over time. Rather, a constant quality of the dye liquor application can be achieved anyway to a great extent.
In this case, the second collecting basin is preferably connected to a concentration device. Dye liquor diluted with water is collected in the second collection basin. The water can then be removed in the concentration mechanism, so that a dye liquor of the desired concentration is again provided at the output of the concentration mechanism. This again concentrated dye liquor can thereafter be reused.
Preferably, the concentrating mechanism has a heat source. That is, the concentration is performed such that the water is evaporated.
Preferably, the concentrating mechanism is connected with the dye liquor preparation mechanism. Such dye liquor preparation mechanisms can have mixers and often are also provided with temperature regulating mechanisms in order to maintain the dye liquor at a predetermined temperature. Since a part of the applied dye liquor is always transported away by the fabric web in the dye liquor application section and is thus "consumed", the dye liquor preparation mechanism must continuously or also discontinuously generate and supply new dye liquor. In this production or provision, the concentrated dye liquor can then be introduced, so that it is not necessary to place too high demands on the accuracy of the concentration.
Preferably, the first collecting basin is connected to the application section. That is, no dye liquor associated with the fabric web in the application section can be introduced directly into the application section again, so that an advantageous operation of the dye liquor is obtained.
Preferably, the application section has a first application mechanism on one side of the fabric web and a second application mechanism on the other side of the fabric web. In this way, the application of the fabric web from all sides can be effected in a rapid manner. Nor does it necessarily require that the dye liquor penetrate the fabric web.
Preferably, at least one of the two application mechanisms is fed into a Nip (Nip) which is formed between the two rollers and through which the web is guided, wherein the pressing pressure in the Nip is smaller than the pressing pressure in the extrusion section. When the dye liquor is fed into the nip, then the dye liquor is fed into the shoulder between the fabric web and one of the rolls forming the nip. If the fabric web is thereafter guided through the nip, good wetting of the fabric web with the dye liquor is obtained, since the dye liquor is said to be sandwiched between the fabric web and the roll and an additional small pressure is applied by another roll forming the nip. The pressure prevailing here is still not so great that the water is squeezed out of the fabric web.
In a method of the type mentioned at the beginning, the object is achieved in that the dye liquor originating from the application section is collected separately from the dye liquor originating from the extrusion section.
As explained above in connection with the device, this is achieved in that the virtually undiluted dye liquor originating from the application section is separated from the diluted dye liquor originating from the extrusion section, so that the risk is avoided that the diluted dye liquor originating from the extrusion section generally dilutes the dye liquor further and thereafter over time results in an excessively low concentration of the dye liquor applied in the application section.
Preferably, the dye liquor originating from the extrusion section is concentrated. In this case, this part of the dye liquor can also be used again afterwards, which is advantageous from an economic and environmental point of view.
Preferably, the concentrated dye liquor is introduced into a dye liquor preparation vessel. Hereby is achieved that in the case of concentration a certain fluctuation in said concentration is accepted.
Preferably, the dye liquor collected from the application section is led back into the application section. That is to say the circulation of the dye liquor is obtained here. Of course, fresh dye liquor must be fed continuously or discontinuously into the circulation, since a portion of the dye liquor is carried away by the fabric web and is thus consumed.
Preferably, the dye liquor is applied on both sides of the fabric web. Hereby it can be ensured in a simple and fast manner that the web is provided with dye liquor on both surfaces in a desired manner.
Drawings
The invention is described below in accordance with preferred embodiments in connection with the accompanying drawings. Wherein:
the only figure shows: schematic illustration of a device for applying a dye liquor to a fabric web.
Detailed Description
The device 1 for applying a dye liquor to a fabric web 2 has a wetting section 3 in which the fabric web 2 is wetted with water 4. The water 4 is fed here by the introduction means 5 into a shoulder (zwicker) 6 between two rollers 7, 8. The fabric web 2, which in the present case involves yarn sheets with yarns arranged side by side, is guided by a nip 9 between the two rolls 7, 8. The fabric web 2 is wetted, wherein the fabric web 2 is wetted with the water. Water travelling through the nip 9 but not absorbed for the web 2 is collected in the basin 10.
The fabric web 2 passes through a further nip 12 between a roll 8 and a further roll 13, which delimit the first nip 9. The fabric web 2 is then guided by the deflection rollers 14 and into the application section 15.
In the application section, the fabric web 2 passes through a nip 16 formed between a first roller 17 and a second roller 18. The dye liquor application mechanism 19 supplies the dye liquor 20 into the nip 16.
After passing the first nip 16, the web 2 passes through a second nip 21 configured between the second roll 18 and a third roll 22. A second dye liquor application mechanism 23 supplies a dye liquor 24 into the second nip.
The first and the second dye liquor application means 19, 23 (which can be configured, for example, as nozzle rows) feed more dye liquor 20, 24 into the press nips 16, 21 than can be absorbed by the fabric web 2. These remaining dye liquor (which is shown by the dashed arrows 25, 26) is collected in a first collection basin 27 and can be introduced therefrom into a storage container 28. The collected dye liquor is again introduced from the reservoir 28 into the application section 15 by means of a pump 29.
The web 2 continues to travel through the second roll 18 and into the extrusion section 30, where it is applied with a certain pressure in the nip 31 between the second roll 18 and the fourth roll 33. Said pressure on the one hand removes the remaining dye liquor from the fabric web 2. But on the other hand the pressure is so great that the water previously in the moistening section 3 up to the fabric web 2 is also squeezed out together in the squeezing out section 30. The squeezed liquid is collected in a second collection basin 35, which is indicated by arrow 34 and contains not only dye liquor but also water. The second collecting basin 35 is separated from the first collecting basin 27 so that the undiluted dye liquor and the diluted dye liquor can also be continued to be treated separately.
The second collecting basin 35 is connected to a concentrating mechanism 36. In the concentration device 36, the concentration of the diluted dye liquor 37 is increased again, for example, in that the diluted dye liquor 37 is heated and the water contained therein is thereby evaporated.
The pump 38 pumps the concentrated dye liquor into a dye liquor preparation mechanism 39, for example, having a mixer 40 and a heating element 41. New dye liquor is continuously or discontinuously produced in the dye liquor preparation mechanism 39. The produced dye liquor is pumped into the reservoir 28, from where it is introduced into the application section 3.
It may also be provided that a part of the dye liquor is guided in the dye liquor preparation means 39 in a loop. For this purpose, a circulation line 42 is provided, which leads from an outlet 43 of the dye liquor preparation mechanism back into the dye liquor preparation mechanism 39.
The device works as follows: the fabric web 2 entering the device 1 is moistened with water in the moistening section 3. The fabric web is thereafter passed through the application section 15, in which the dye liquor 20, 24 is applied to both sides of the fabric web 2. The part of the dye liquor that is not carried away and can be carried along by the fabric web 2 is collected in the first collection basin 27 and is fed from there to the storage container 28.
In the press nips 16, 21 of the application mechanism 15, the dye liquor 20, 24 is pressed into the fabric web 2, albeit with a certain pressure. But the pressure is significantly less than the pressure in the nip 31 of the extrusion section 30. The pressure in the nip 16, 21 is insufficient to cause water to be squeezed out of the web.
The fabric web 2 is thereafter subjected to an increased pressure in the extrusion section 30, so that a mixture of dye liquor and water (arrow 34) is extruded. The mixture is collected in the second collection basin 35 and thereafter concentrated again in the concentrating means 36 and is led further to the dye liquor preparation means 39.
By keeping the undiluted dye liquor 25, 26 and the diluted dye liquor 34 separate from each other, it can be prevented that the dye liquor is further diluted with the water squeezed out over time. More precisely, a uniform dye liquor concentration can be maintained and thus the dye liquor application can also be maintained uniform over a longer time interval.
Claims (10)
1. Device (1) for applying to a fabric web (2) with a dye liquor (20, 24), wherein the device (1) has a moistening section (3), an application section (15), an extrusion section (30) and a dye liquor collection assembly (27, 35), the application section (15) applying more dye liquor onto the fabric web (2) than the fabric web (2) can absorb, a pressure being applied to the fabric web (2) in the extrusion section (30), the extrusion section (30) removing dye liquor and water originating from the moistening section (3) from the fabric web (2), characterized in that the dye liquor collection assembly (27, 35) has a first collection basin (27) assigned to the application section (15) and collecting dye liquor not absorbed by the fabric web (2) and a second collection basin (35) assigned to the extrusion section (30) and collecting liquid not only containing water but also containing dye liquor, wherein the second collection basin (35) is connected to a concentrating mechanism (36).
2. The device according to claim 1, wherein the concentration mechanism (36) has a heat source.
3. The apparatus according to claim 1 or 2, characterized in that the concentration means (36) are connected to a dye liquor preparation means (39).
4. Device according to claim 1 or 2, characterized in that the first collecting basin (27) is connected to the application section (15).
5. The device according to claim 1 or 2, characterized in that the application section (15) has a first application mechanism (19) on one side of the fabric web (2) and a second application mechanism (23) on the other side of the fabric web (2).
6. Device according to claim 5, characterized in that at least one of the two application mechanisms (19, 23) is fed into a nip (16, 21) which is formed between the two rolls (17, 18;18, 22) and through which the web is guided, wherein the pressing pressure in the nip (16, 21) is smaller than the pressing pressure in the extrusion section (30).
7. Method for applying a dye liquor (20, 24) to a fabric web (2), in which the fabric web (2) is wetted in a wetting section (3), more dye liquor than the fabric web (2) can absorb is applied to the fabric web (2) in an application section (15) and the fabric web (2) is extruded in an extrusion section (30), the dye liquor and water originating from the wetting section (3) are removed from the fabric web (2) and a liquor containing not only water but also dye liquor is collected, characterized in that the dye liquor originating from the application section (15) that is not absorbed by the fabric web (2) is collected separately from the dye liquor originating from the extrusion section (30), wherein the dye liquor originating from the extrusion section (30) is concentrated.
8. The method according to claim 7, characterized in that the concentrated dye liquor is introduced into a dye liquor preparation vessel.
9. Method according to claim 7 or 8, characterized in that the dye liquor collected from the application section (15) is led back into the application section (15).
10. A method according to claim 7 or 8, characterized in that the dye liquor is applied on both sides of the fabric web (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16190719.1A EP3299503B1 (en) | 2016-09-27 | 2016-09-27 | Device and method for feeding a cloth web with a liquor |
| EP16190719.1 | 2016-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107869015A CN107869015A (en) | 2018-04-03 |
| CN107869015B true CN107869015B (en) | 2023-05-23 |
Family
ID=57136660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710001015.3A Active CN107869015B (en) | 2016-09-27 | 2017-01-03 | Device and method for applying a dye liquor to a textile web |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3299503B1 (en) |
| JP (1) | JP6438061B2 (en) |
| CN (1) | CN107869015B (en) |
| ES (1) | ES2898602T3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6983704B2 (en) | 2018-03-19 | 2021-12-17 | 株式会社ミツトヨ | Measurement plan generation method and equipment for X-ray CT for measurement |
| JP7428887B2 (en) | 2020-03-23 | 2024-02-07 | 日本製鉄株式会社 | Roll coater type painting equipment |
| JP2022147300A (en) * | 2021-03-23 | 2022-10-06 | 津田駒工業株式会社 | Warp sizing apparatus |
| JP2024027987A (en) * | 2022-08-19 | 2024-03-01 | 津田駒工業株式会社 | Warp sizing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3612999A1 (en) * | 1985-05-10 | 1986-11-13 | Benninger Ag, Uzwil | Apparatus for the treatment of a running textile web in a liquid bath |
| JP2002235272A (en) * | 2001-02-02 | 2002-08-23 | Tsudakoma Corp | Warp sizing machine |
| CN102080315A (en) * | 2011-01-14 | 2011-06-01 | 盐城纺织职业技术学院 | Method and device for dyeing by utilizing ultrasonic wave and microwave |
| CN102828366A (en) * | 2011-06-14 | 2012-12-19 | 卡尔迈尔纺织机械制造有限公司 | Device for applying surface finishes, in particular finishing or paint, to a textile item in thread pattern |
| CN203683918U (en) * | 2014-01-10 | 2014-07-02 | 杭州嘉濠印花染整有限公司 | Wetting device for fabric printing and dyeing |
| CN204939865U (en) * | 2015-07-24 | 2016-01-06 | 湖州和盛染整有限公司 | A kind of cloth dyeing and finishing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1078527B (en) * | 1957-03-11 | 1960-03-31 | Haas Friedrich Maschf | Four-roll foulard |
| JPH07109662A (en) * | 1993-10-08 | 1995-04-25 | Tsudakoma Corp | Sizing machine |
| DE19914285B4 (en) * | 1999-03-30 | 2004-04-15 | Sucker-Müller-Hacoba GmbH & Co., i.Ins. | Method for sizing a thread sheet and sizing device |
| JP2005002501A (en) * | 2003-06-11 | 2005-01-06 | Tsudakoma Corp | Warp sheet guide member for warp sizing machine equipped with pretreatment device |
-
2016
- 2016-09-27 ES ES16190719T patent/ES2898602T3/en active Active
- 2016-09-27 EP EP16190719.1A patent/EP3299503B1/en active Active
-
2017
- 2017-01-03 CN CN201710001015.3A patent/CN107869015B/en active Active
- 2017-03-06 JP JP2017042102A patent/JP6438061B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3612999A1 (en) * | 1985-05-10 | 1986-11-13 | Benninger Ag, Uzwil | Apparatus for the treatment of a running textile web in a liquid bath |
| JP2002235272A (en) * | 2001-02-02 | 2002-08-23 | Tsudakoma Corp | Warp sizing machine |
| CN102080315A (en) * | 2011-01-14 | 2011-06-01 | 盐城纺织职业技术学院 | Method and device for dyeing by utilizing ultrasonic wave and microwave |
| CN102828366A (en) * | 2011-06-14 | 2012-12-19 | 卡尔迈尔纺织机械制造有限公司 | Device for applying surface finishes, in particular finishing or paint, to a textile item in thread pattern |
| CN203683918U (en) * | 2014-01-10 | 2014-07-02 | 杭州嘉濠印花染整有限公司 | Wetting device for fabric printing and dyeing |
| CN204939865U (en) * | 2015-07-24 | 2016-01-06 | 湖州和盛染整有限公司 | A kind of cloth dyeing and finishing device |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2898602T3 (en) | 2022-03-08 |
| JP6438061B2 (en) | 2018-12-12 |
| EP3299503B1 (en) | 2021-09-08 |
| EP3299503A1 (en) | 2018-03-28 |
| JP2018051551A (en) | 2018-04-05 |
| CN107869015A (en) | 2018-04-03 |
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