CN110027235A - It is a kind of not need bottom material in the environment-friendly waterproof that brush coating is handled - Google Patents
It is a kind of not need bottom material in the environment-friendly waterproof that brush coating is handled Download PDFInfo
- Publication number
- CN110027235A CN110027235A CN201910420077.7A CN201910420077A CN110027235A CN 110027235 A CN110027235 A CN 110027235A CN 201910420077 A CN201910420077 A CN 201910420077A CN 110027235 A CN110027235 A CN 110027235A
- Authority
- CN
- China
- Prior art keywords
- waterproof
- environment
- bottom material
- indsole
- friendly
- 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
- 239000000463 material Substances 0.000 title claims abstract description 79
- 239000011248 coating agent Substances 0.000 title claims abstract description 19
- 238000000576 coating method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 210000003423 ankle Anatomy 0.000 claims abstract description 12
- 230000003213 activating effect Effects 0.000 claims abstract description 6
- 238000007766 curtain coating Methods 0.000 claims description 37
- 238000001125 extrusion Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 16
- 238000005498 polishing Methods 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 15
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 238000004078 waterproofing Methods 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 229920004933 Terylene® Polymers 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 5
- 239000004626 polylactic acid Substances 0.000 claims description 5
- 229920002627 poly(phosphazenes) Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/14—Multilayered parts
- B29D35/142—Soles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The present invention relates to environment-friendly waterproof indsole technical field, bottom material in specially a kind of environment-friendly waterproof for not needing brush coating processing, manufacture craft are as follows: S1, by waterproof sock material sleeve on shoe tree；S2, the related shoe tree of waterproof sock material of step S1 is placed on together on corresponding pressing machine；S3, waterproof indsole materials'use moment irradiation light is activated 8-15 seconds, moment irradiation light can make the surface temperature of bottom material in waterproof up to 90-160 DEG C；S4, bottom material in the waterproof after activating in step S3 is bonded with the bottom of waterproof sock material immediately, is pressed using pressing machine, obtains environment-friendly waterproof indsole ankle socks.The present invention can improve the efficiency that comes into force of production line, reduce production line personnel and use, production line flow process is greatly shortened, and shoes manufacturing enterprise can be allowed to reduce process, improve efficiency, and have the condition of automated production, discharge that is energy saving and preventing VOC.
Description
Technical field
The present invention relates to waterproof indsole technical field, ground in specially a kind of environment-friendly waterproof for not needing brush coating processing
Material.
Background technique
At present about bottom material (Waterproof in the waterproof of half ankle socks structurally waterproof (strobe construction)
Gasket) by manually brush oily gum or water-base cement on waterproof sock material, then by baking oven heat drying glue, and
After the activation of waterproof indsole material use instant activation equipment, manual assembly, inspection is anti-after reusing press pressurization pressing, cooling
Water effect, the prior art have the disadvantage in that 1, need more manual operationss, high labor cost；2, production line operation process
It is time-consuming more；3, process is various, energy waste；4, VOC pollution is bigger.For this purpose, it is proposed that a kind of do not need what brush coating was handled
Bottom material in environment-friendly waterproof.
Summary of the invention
The purpose of the present invention is to provide bottom materials in a kind of environment-friendly waterproof for not needing brush coating processing, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of not need bottom material in the environment-friendly waterproof that brush coating is handled, the manufacturing process steps of environment-friendly waterproof indsole ankle socks are such as
Shown in lower:
S1, by waterproof sock material sleeve on shoe tree；
S2, the related shoe tree of waterproof sock material of step S1 is placed on together on corresponding pressing machine；
S3, waterproof indsole materials'use moment irradiation light is activated 8-15 seconds, moment irradiation light can make bottom material in waterproof
Surface temperature reach 90-160 DEG C；
S4, bottom material in the waterproof after activating in step S3 is bonded with the bottom of waterproof sock material immediately, utilizes pressure
The pressing of conjunction machine, delasting after pressing obtain environment-friendly waterproof indsole ankle socks.
Preferably, in the waterproof bottom material include the substrate layer set gradually from top to bottom, it is the first low temperature TPU layer, resistance to
High temperature TPU layer and the second low temperature TPU layer, and the first low temperature TPU layer is identical as the second low temperature TPU layer structure.
Preferably, bottom material includes the substrate layer set gradually from top to bottom, high temperature resistant TPU layer and low temperature in the waterproof
TPU layer.
Preferably, the substrate layer is using 100% recyclable polyester non-woven fabric, polypropylene, terylene, polyurethane, poly- cream
Acid or other high molecular polymers, and TPU layer is all the polyurethane that can be degraded.
Preferably, the waterproof indsole material waterproofing layer is squeezed out through primary curtain coating.
Preferably, the waterproof indsole material waterproofing layer is squeezed out through secondary curtain coating.
Preferably, the curtain coating is extruded through curtain coating extrusion equipment and squeezes out.
Preferably, the curtain coating extrusion equipment include screw extruder, the connector being connect with screw extruder, with connect
Compound two layers in the mould of head connection, compound two layers outside multi-layer co-extruded or mould, the co-extrusion modling die head of multilayer, be located at coextrusion
Three-roll press-polishing unit of the molding die far from connector side, positioned at three-roll press-polishing unit far from co-extrusion modling die head side
Multiple cooling deflector rolls, the pulling equipment positioned at cooling deflector roll far from three-roll press-polishing unit side and it is located at pulling equipment far from cold
But the finished product devices for taking-up of deflector roll side.
Preferably, the curtain coating extrusion equipment further includes the shear on pulling equipment.
Compared with prior art, the beneficial effects of the present invention are: the present invention can improve the efficiency that comes into force of production line, life is reduced
Producing line personnel use, and production line flow process is greatly shortened, and shoes manufacturing enterprise can be allowed to reduce process, improve efficiency, and have automatic
The condition that metaplasia produces, discharge that is energy saving and preventing VOC have substantive distinguishing features outstanding and significant progress.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that the primary curtain coating of the present invention squeezes out flow diagram；
Fig. 3 is that another primary curtain coating of the present invention squeezes out flow diagram；
Fig. 4 is that curtain coating squeezes out flow diagram to the present invention twice；
Fig. 5 is that another curtain coating twice of the present invention squeezes out flow diagram.
In figure: screw extruder 1, connector 2, co-extrusion modling head 3, calender unit 4, cooling deflector roll 5, pulling equipment
6, shear 7, finished product devices for taking-up 8.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the invention provides the following technical scheme:
Embodiment 1
A kind of not need bottom material in the environment-friendly waterproof that brush coating is handled, the manufacturing process steps of environment-friendly waterproof indsole ankle socks are such as
It is shown below:
S1, by waterproof sock material sleeve on shoe tree；
S2, the related shoe tree of waterproof sock material of step S1 is placed on together on corresponding pressing machine；
S3, waterproof indsole materials'use moment irradiation light is activated 8 seconds, moment irradiation light can make the table of bottom material in waterproof
Face temperature is up to 90 DEG C；
S4, bottom material in the waterproof after activating in step S3 is bonded with the bottom of waterproof sock material immediately, utilizes pressure
The pressing of conjunction machine, delasting after pressing obtain environment-friendly waterproof indsole ankle socks.
In waterproof bottom material include the substrate layer set gradually from top to bottom, the first low temperature TPU layer, high temperature resistant TPU layer and
Bottom material includes the substrate layer set gradually from top to bottom, high temperature resistant TPU layer and low temperature in second low temperature TPU layer or waterproof
TPU layer, substrate layer is using recyclable 100% polyester non-woven fabric, polypropylene, terylene, polyurethane, polylactic acid or other macromolecules
Polymer, and TPU layer is all the polyurethane that can be degraded, waterproof indsole material waterproofing layer is squeezed out through primary curtain coating, waterproof indsole
Material waterproofing layer can also be squeezed out through secondary curtain coating, and curtain coating is extruded through curtain coating extrusion equipment and squeezes out.
Curtain coating extrusion equipment includes screw extruder 1, the connector connecting with screw extruder 12, connect with connector 2
Mould in compound two layers, compound two layers outside multi-layer co-extruded or mould, the co-extrusion modling die head 3 of multilayer, be located at co-extrusion modling
Three-roll press-polishing unit 4 of the die head 3 far from 2 side of connector is located at three-roll press-polishing unit 4 far from 3 side of co-extrusion modling die head
Multiple cooling deflector rolls 5, the pulling equipment 6 positioned at cooling deflector roll 5 far from 4 side of three-roll press-polishing unit and be located at pulling equipment
The 6 finished product devices for taking-ups 8 far from cooling 5 side of deflector roll, curtain coating extrusion equipment further include the shear on pulling equipment 6
7。
Embodiment 2
A kind of not need bottom material in the environment-friendly waterproof that brush coating is handled, the manufacturing process steps of environment-friendly waterproof indsole ankle socks are such as
It is shown below:
S1, by waterproof sock material sleeve on shoe tree；
S2, the related shoe tree of waterproof sock material of step S1 is placed on together on corresponding pressing machine；
S3, waterproof indsole materials'use moment irradiation light is activated 12 seconds, moment irradiation light can make bottom material in waterproof
Surface temperature is up to 125 DEG C；
S4, bottom material in the waterproof after activating in step S3 is bonded with the bottom of waterproof sock material immediately, utilizes pressure
The pressing of conjunction machine, delasting after pressing obtain environment-friendly waterproof indsole ankle socks.
In waterproof bottom material include the substrate layer set gradually from top to bottom, the first low temperature TPU layer, high temperature resistant TPU layer and
Bottom material includes the substrate layer set gradually from top to bottom, high temperature resistant TPU layer and low temperature in second low temperature TPU layer or waterproof
TPU layer, substrate layer is using recyclable 100% polyester non-woven fabric, polypropylene, terylene, polyurethane, polylactic acid or other macromolecules
Polymer, and TPU layer is all the polyurethane that can be degraded, waterproof indsole material waterproofing layer is squeezed out through primary curtain coating, waterproof indsole
Material waterproofing layer can also be squeezed out through secondary curtain coating, and curtain coating is extruded through curtain coating extrusion equipment and squeezes out.
Curtain coating extrusion equipment includes screw extruder 1, the connector connecting with screw extruder 12, connect with connector 2
Mould in compound two layers, compound two layers outside multi-layer co-extruded or mould, the co-extrusion modling die head 3 of multilayer, be located at co-extrusion modling
Three-roll press-polishing unit 4 of the die head 3 far from 2 side of connector is located at three-roll press-polishing unit 4 far from 3 side of co-extrusion modling die head
Multiple cooling deflector rolls 5, the pulling equipment 6 positioned at cooling deflector roll 5 far from 4 side of three-roll press-polishing unit and be located at pulling equipment
The 6 finished product devices for taking-ups 8 far from cooling 5 side of deflector roll, curtain coating extrusion equipment further include the shear on pulling equipment 6
7。
Embodiment 3
A kind of not need bottom material in the environment-friendly waterproof that brush coating is handled, the manufacturing process steps of environment-friendly waterproof indsole ankle socks are such as
It is shown below:
S1, by waterproof sock material sleeve on shoe tree；
S2, the related shoe tree of waterproof sock material of step S1 is placed on together on corresponding pressing machine；
S3, waterproof indsole materials'use moment irradiation light is activated 15 seconds, moment irradiation light can make bottom material in waterproof
Surface temperature is up to 160 DEG C；
S4, bottom material in the waterproof after activating in step S3 is bonded with the bottom of waterproof sock material immediately, utilizes pressure
The pressing of conjunction machine, delasting after pressing obtain environment-friendly waterproof indsole ankle socks.
In waterproof bottom material include the substrate layer set gradually from top to bottom, the first low temperature TPU layer, high temperature resistant TPU layer and
Bottom material includes the substrate layer set gradually from top to bottom, high temperature resistant TPU layer and low temperature in second low temperature TPU layer or waterproof
TPU layer, substrate layer is using recyclable 100% polyester non-woven fabric, polypropylene, terylene, polyurethane, polylactic acid or other macromolecules
Polymer, and TPU layer is all the polyurethane that can be degraded, waterproof indsole material waterproofing layer is squeezed out through primary curtain coating, waterproof indsole
Material waterproofing layer can also be squeezed out through secondary curtain coating, and curtain coating is extruded through curtain coating extrusion equipment and squeezes out.
Curtain coating extrusion equipment includes screw extruder 1, the connector connecting with screw extruder 12, connect with connector 2
Mould in compound two layers, compound two layers outside multi-layer co-extruded or mould, the co-extrusion modling die head 3 of multilayer, be located at co-extrusion modling
Three-roll press-polishing unit 4 of the die head 3 far from 2 side of connector is located at three-roll press-polishing unit 4 far from 3 side of co-extrusion modling die head
Multiple cooling deflector rolls 5, the pulling equipment 6 positioned at cooling deflector roll 5 far from 4 side of three-roll press-polishing unit and be located at pulling equipment
The 6 finished product devices for taking-ups 8 far from cooling 5 side of deflector roll, curtain coating extrusion equipment further include the shear on pulling equipment 6
7。
By the first low temperature TPU layer marked as A layers, high temperature resistant TPU layer is marked as B layers, and the second low temperature TPU layer is marked as C layers
(A layers and C layer can similar or identical or A layers and C layers merge into one layer), can using curtain coating extruding technology compound in polyurethane mould
In a point A/B/C mould complex technique or squeeze out in A/B mould twice complex technique to polyester non-woven fabric, PP (polypropylene), terylene,
On polyurethane, polylactic acid or other high molecular polymers, primary curtain coating as shown in Figures 2 and 3, twice curtain coating squeeze out such as Fig. 4 and
Fig. 5 two ways winds through cooling, obtains bottom material in waterproof.
The present invention can improve the efficiency that comes into force of production line, reduce production line personnel and use, production line flow process is greatly shortened,
Shoes manufacturing enterprise can be allowed to reduce process, improve efficiency, and have the condition of automated production, it is energy saving and prevent VOC's
Discharge has substantive distinguishing features outstanding and significant progress.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing, which is characterized in that the production of environment-friendly waterproof indsole ankle socks
Processing step is as follows:
S1, by waterproof sock material sleeve on shoe tree；
S2, the related shoe tree of waterproof sock material of step S1 is placed on together on corresponding pressing machine；
S3, waterproof indsole materials'use moment irradiation light is activated 8-15 seconds, moment irradiation light can make the table of bottom material in waterproof
Face temperature reaches 90-160 DEG C；
S4, bottom material in the waterproof after activating in step S3 is bonded with the bottom of waterproof sock material immediately, utilizes pressing machine
Pressing, delasting after pressing obtain environment-friendly waterproof indsole ankle socks.
2. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 1, it is characterised in that: described
Bottom material includes the substrate layer set gradually from top to bottom, the first low temperature TPU layer, high temperature resistant TPU layer and the second low temperature in waterproof
TPU layer, and the first low temperature TPU layer is identical as the second low temperature TPU layer structure.
3. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 1, it is characterised in that: described
Bottom material includes the substrate layer set gradually from top to bottom, high temperature resistant TPU layer and low temperature TPU layer in waterproof.
4. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 2 or 3, it is characterised in that:
The substrate layer is using recyclable 100% polyester non-woven fabric, polypropylene, terylene, polyurethane, polylactic acid or other polyphosphazene polymers
Object is closed, and TPU layer is all the polyurethane that can be degraded.
5. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 4, it is characterised in that: described
Waterproof indsole material waterproofing layer is squeezed out through primary curtain coating.
6. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 4, it is characterised in that: described
Waterproof indsole material waterproofing layer is squeezed out through secondary curtain coating.
7. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 5 or 6, it is characterised in that:
The curtain coating is extruded through curtain coating extrusion equipment and squeezes out.
8. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 7, it is characterised in that: described
Curtain coating extrusion equipment includes screw extruder (1), the connector (2) that connect with screw extruder (1), connect with connector (2)
Mould in compound two layers, compound two layers outside multi-layer co-extruded or mould, the co-extrusion modling die head (3) of multilayer, positioned at being coextruded into
The three-roll press-polishing unit (4) of separate connector (2) side of pattern head (3) is located at three-roll press-polishing unit (4) far from co-extrusion modling
Multiple cooling deflector rolls (5) of die head (3) side are located at the pulling equipment of cooling deflector roll (5) far from three-roll press-polishing unit (4) side
(6) and it is located at pulling equipment (6) far from the finished product devices for taking-up (8) for cooling down deflector roll (5) side.
9. bottom material in a kind of environment-friendly waterproof for not needing brush coating processing according to claim 8, it is characterised in that: described
Curtain coating extrusion equipment further includes the shear (7) on pulling equipment (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910420077.7A CN110027235A (en) | 2019-05-20 | 2019-05-20 | It is a kind of not need bottom material in the environment-friendly waterproof that brush coating is handled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910420077.7A CN110027235A (en) | 2019-05-20 | 2019-05-20 | It is a kind of not need bottom material in the environment-friendly waterproof that brush coating is handled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110027235A true CN110027235A (en) | 2019-07-19 |
Family
ID=67242690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910420077.7A Pending CN110027235A (en) | 2019-05-20 | 2019-05-20 | It is a kind of not need bottom material in the environment-friendly waterproof that brush coating is handled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110027235A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205167606U (en) * | 2014-12-24 | 2016-04-20 | 宁波市来得顺轨道高新材料有限公司 | Waterproof roll production line |
| CN105666908A (en) * | 2016-02-01 | 2016-06-15 | 孙维忠 | Sole membrane absorption molding method |
| CN108095245A (en) * | 2017-12-15 | 2018-06-01 | 清远市广硕鞋业有限公司 | Wear-resisting anti-slip sole structure |
-
2019
- 2019-05-20 CN CN201910420077.7A patent/CN110027235A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205167606U (en) * | 2014-12-24 | 2016-04-20 | 宁波市来得顺轨道高新材料有限公司 | Waterproof roll production line |
| CN105666908A (en) * | 2016-02-01 | 2016-06-15 | 孙维忠 | Sole membrane absorption molding method |
| CN108095245A (en) * | 2017-12-15 | 2018-06-01 | 清远市广硕鞋业有限公司 | Wear-resisting anti-slip sole structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 523000 Zhangzhou Road, Nanya Industrial Zone, Nanya village, Daojiao Town, Dongguan City, Guangdong Province Applicant after: Guangdong Huiqi New Material Co.,Ltd. Address before: 523000 Zhangzhou Road, Nanya Industrial Zone, Nanya village, Daojiao Town, Dongguan City, Guangdong Province Applicant before: Dongguan Huiqi New Materials Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190719 |