CN107361382A - A kind of agricultural vegetable washer for carrying cleaning water filtration - Google Patents
A kind of agricultural vegetable washer for carrying cleaning water filtration Download PDFInfo
- Publication number
- CN107361382A CN107361382A CN201710661684.3A CN201710661684A CN107361382A CN 107361382 A CN107361382 A CN 107361382A CN 201710661684 A CN201710661684 A CN 201710661684A CN 107361382 A CN107361382 A CN 107361382A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- cleaning case
- water filtration
- pumping box
- connecting rod
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/02—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for washing or blanching
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The invention discloses a kind of agricultural vegetable washer for carrying cleaning water filtration, including cleaning case, pumping box, cleaning basket and motor;Horizontal bent axle is fixedly connected with the output shaft of motor, two first are provided with bent axle crank arm and cranked arm with one second, several swinging plates are installed with fix bar;Vertical gear is provided with the drive cavity, is engaged on gear and is connected with rack, several blades are evenly arranged with towards cleaning chamber one side on gear;The lower end of first connecting rod is rotatably connected on cleaning basket;Horizontal screen pack is fixedly arranged above in limbers.The present invention is moved up and down by the motor driving cleaning basket of setting, the swinging plate in matching purge intracavitary portion is stirred to vegetables, vegetables are made to move in the vertical, stirring is reduced to vegetable damage, improve quality of vegetable, pinion rotation makes the current flowing of inside, and the soil gravel of vegetable surface is quickly taken away, improves cleaning efficiency.
Description
Technical field
The present invention relates to a kind of agricultural machinery, specifically a kind of agricultural vegetable washer for carrying cleaning water filtration.
Background technology
Vegetables harvesting after, soil and sandstone etc. are attached with dish leaf, it is necessary to be cleaned before market is sent to, vegetables it is clear
Wash typically by manual progress, but manual labor intensity is big, efficiency is low, and in the winter time when, water temperature is too low to people
The influence of body health is big.Also there are some vegetable washers now, the vegetables for making inside by motor driven paddle stir, this
Easily the surface of vegetables is sustained damage, be unfavorable for the processing and sale of vegetables;Other water for cleaning is often after cleaning terminates
It can discharge, the internal sewage of cleaning for a long time is more, can not clean, cause vegetable cleaning effect poor, be unfavorable for fruits and vegetables.
The content of the invention
It is an object of the invention to provide a kind of agricultural vegetable washer for carrying cleaning water filtration, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of agricultural vegetable washer for carrying cleaning water filtration, including cleaning case, pumping box, cleaning basket and motor;
The cleaning case is set with pumping box horizontal Tile, and the bottom between cleaning case and pumping box is provided with connected entrance, connected
Intraoral to be provided with the first check valve, the first check valve makes the current direction pumping box in cleaning case;The motor is fixed on cleaning case
Top, motor is horizontally disposed with, horizontal bent axle is fixedly connected with the output shaft of motor, two are provided with bent axle
One cranks arm cranks arm with one second, first crank arm with second crank arm it is upper be arranged with sleeve, charging is offered at the top of cleaning case
Mouthful;The cleaning basket is arranged in cleaning case, cleans in basket the cleaning chamber for being divided into middle part and the drive cavity for cleaning chamber both sides, clearly
The upper end open of chamber is washed towards charging aperture;Cleaning intracavitary has been inserted vertically into fix bar, and the lower end of fix bar is fixed on cleaning case
Bottom, several swinging plates are installed with fix bar;Vertical gear, the center of gear are provided with the drive cavity
Axle is rotatably installed on the inwall of drive cavity, is engaged on gear and is connected with rack, and the upper end of rack is fixed on the top of cleaning case,
On gear several blades are evenly arranged with towards cleaning chamber one side;The both sides of the cleaning basket are provided with vertical direction
First connecting rod, the lower end of first connecting rod is rotatably connected on cleaning basket, and upper end, which passes cleaning case and is fixedly connected on first, cranks arm
On sleeve on;Be provided with piston in the pumping box, the upper end of piston is provided with vertical second connecting rod, and second connecting rod with
Piston rotation connects, and the upper end of second connecting rod passes pumping box, upper end be fixedly connected on second crank arm on sleeve on;The work
Several limbers are offered in plug, limbers runs through piston, the second check valve is provided with limbers, makes below limbers
Water flow up, horizontal screen pack is fixedly arranged above in limbers, in pumping box side wall corresponding to the top of screen pack
On offer circulation water inlet, circulation water inlet in cleaning case with connecting.
Further:Described first, which cranks arm, is separately positioned on above the both sides of charging aperture.
Further:The fix bar is evenly distributed in cleaning intracavitary at least provided with four.
Further:The swinging plate is platy structure.
Further:The lower end of the first connecting rod is connected by bearing pin with cleaning basket.
Further:It is connected through the hinge between the second connecting rod and piston.
Further:Blow-off pipe is communicated with pumping box between the screen pack and limbers.
Further:Valve is installed on the blow-off pipe.
Compared with prior art, the beneficial effects of the invention are as follows:Above and below the motor driving cleaning basket that the present invention passes through setting
Mobile, the swinging plate in matching purge intracavitary portion is stirred to vegetables, vegetables can be immersed in the water, and vegetables is moved in the vertical
It is dynamic, stirring is reduced to vegetable damage, improves quality of vegetable;The pinion rotation inside cleaning basket drive moved up and down, gear turn
The dynamic current flowing for making inside, the soil gravel of vegetable surface is quickly taken away, improves cleaning efficiency;Rinse water enters from bottom
Into pumping box, flowed up in the presence of piston, and pass through strainer filtering, the water after making re-enters into cleaning case
It is interior, the cleanliness of internal washing water is improved, ensures the cleaning performance of vegetables;And sludge cleaning is convenient and swift, and apparatus structure is simple,
Safety and stability, cleaning performance is good, mitigates labor strength, reduces production cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the agricultural vegetable washer for carrying cleaning water filtration.
Fig. 2 is a kind of structural representation for the agricultural vegetable washer middle gear for carrying cleaning water filtration.
Fig. 3 is the overlooking the structure diagram that basket is cleaned in a kind of agricultural vegetable washer for carrying cleaning water filtration.
Fig. 4 is the mplifying structure schematic diagram of A in Fig. 1.
In figure:1- cleaning cases, 2- pumping boxes, 3- cleaning baskets, 4- motors, 5- bent axles, 6- drive cavities, 7- cleaning chambers, 8- the
One is cranked arm, and 9- second cranks arm, 10- sleeves, 11- first connecting rods, 12- bearing pins, 13- racks, 14- gears, 15- blades, and 16- is fixed
Bar, 17- swinging plates, 18- charging apertures, 19- connected entrances, the check valves of 20- first, 21- pistons, 22- limbers, 23- second are unidirectional
Valve, 24- second connecting rods, 25- hinges, 26- screen packs, 27- circulation water inlets, 28- blow-off pipes.
Embodiment
Refer to figure, in the embodiment of the present invention, a kind of agricultural vegetable washer for carrying cleaning water filtration, including cleaning
Case 1, pumping box 2, cleaning basket 3 and motor 4;The cleaning case 1 is set with the horizontal Tile of pumping box 2, in cleaning case 1 and pumping box
Bottom between 2 is provided with connected entrance 19, makes to connect between cleaning case 1 and pumping box 2, and it is single that first is provided with connected entrance 19
To valve 20, the first check valve 20 makes the current direction pumping box 2 in cleaning case 1;The motor 4 is fixed on the top of cleaning case 1, electricity
Machine 4 is horizontally disposed, is fixedly connected with horizontal bent axle 5 on the output shaft of motor 4, the end of bent axle 5 by bearing seat supports,
Be provided with bent axle 5 two first crank arm 8 and one second crank arm 9, first, which cranks arm, 8 and second cranks arm and is arranged with 9
Cylinder 10, sleeve 10 is cranked arm first and 8, second crank arm and rotate on 9, the top of cleaning case 1 offers charging aperture 18, and described the
One cranks arm 8 both sides for being separately positioned on charging aperture 18.
The cleaning basket 3 is arranged in cleaning case 1, cleans in basket 3 the cleaning chamber 7 for being divided into middle part and cleaning chamber 7 both sides
Drive cavity 6, clean the upper end open of chamber 7 towards charging aperture 18, vegetables is entered directly into cleaning chamber 7;Clean chamber 7
Fix bar 16 is inside inserted vertically into, fix bar 16 is evenly distributed in cleaning chamber 7 at least provided with four, fix bar 16
Lower end is fixed on the bottom of cleaning case 1, and several swinging plates 17 are installed with fix bar 16, and swinging plate 17 is tabular knot
Structure, vegetables can be depressed, are immersed in the water vegetables;Vertical gear 14, the central shaft of gear 14 are provided with the drive cavity 6
It is rotatably installed on the inwall of drive cavity 6, is engaged on gear 14 and be connected with rack 13, the upper end of rack 13 is fixed on cleaning case 1
Top, moved up and down by gear 14 in rack 13, so as to being rotated with moving gear 14, towards cleaning chamber 7 one on gear 14
Side is evenly arranged with several blades 15, is rotated by gear 14, promotes the current flowing of inside, makes the water in cleaning chamber 7
The quick flowing of stream, washing vegetable;The both sides of the cleaning basket 3 are provided with the first connecting rod 11 on vertical direction, first connecting rod 11
Lower end be rotatably connected on by bearing pin 12 on cleaning basket 3, upper end passes cleaning case 1 and is fixedly connected on the first set cranked arm on 8
On cylinder 10, swung up and down by the first 8 driving first connecting rods 11 of cranking arm, so as to drive cleaning basket 3 to be moved on vertical direction.
Piston 21 is provided with the pumping box 2, piston 21 seals with pumping box 2, realizes the cleaning in suck purge case 1
Water, the upper end of piston 21 are provided with vertical second connecting rod 24, connected between second connecting rod 24 and piston 21 by hinge 25, the
The upper end of two connecting rods 24 passes pumping box 2, and upper end is fixedly connected on the second sleeve 10 cranked arm on 9, is cranked arm 9 drives by second
Dynamic second connecting rod 24 is swung up and down, so as to promote piston 21 to move up and down;Several limbers 22 are offered in the piston 21,
Piston 21 is run through in limbers 22, and the second check valve 23 is provided with limbers 22, flows up the water of the lower section of limbers 22,
So as to which water to be sucked to the top of limbers 22, the horizontal screen pack 26 that is fixedly arranged above in limbers 22, screen pack 26 is to inhaling
The sewage entered is filtered, and water purification will be made to be opened up by screen pack 26 corresponding to the top of screen pack 26 in the side wall of pumping box 2
There is circulation water inlet 27, the water after filtering is sent in cleaning case 1, filtered with being connected in cleaning case 1 by circulation water inlet 27
Blow-off pipe 28 is communicated with pumping box 2 between net 26 and limbers 22, valve is installed on blow-off pipe 28, by the dirt after filtering
Mud is discharged.
In use, the vegetables for needing to clean are encased in the cleaning chamber 7 in cleaning basket 3, it is passed through into cleaning case 1 certain
The rinse water of amount, start motor 4, the electronic bent axle 5 of motor 4 rotates, and first on bent axle 5 cranks arm 8 drive first connecting rods about 11
Swing, pull the cleaning basket 3 of inside to move up and down, the fix bar 16 worn in cleaning chamber 7 will by swinging plate 17 thereon
Vegetables are stirred, and vegetables is contacted with water, move vegetables in the vertical, vibrate vegetables, and the sludge gravel on its surface is shaken off,
Basket 3 is cleaned while moving up and down, is rotated by rack 13 with moving gear 14, the blade 15 on gear 14 makes the current of inside
Flowing, vegetables are rinsed, improve cleaning performance;Rinse water with sludge and gravel is entered in pumping box 2 from connected entrance 19,
Piston 21 is moved up and down in pumping box 2, and the second check valve 23 is set in piston 21 to flow up current, by filter screen 26
Entered after filtering from newly in cleaning case 1, sludge is discharged from blow-off pipe 28, is carried out circulating filtration to rinse water, is reduced rinse water
The content of middle sludge gravel, ensure cleaning performance.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of agricultural vegetable washer for carrying cleaning water filtration, including cleaning case (1), pumping box (2), cleaning basket (3)
With motor (4);It is characterized in that:The cleaning case (1) is set with pumping box (2) horizontal Tile, in cleaning case (1) and pumping box
(2) bottom between is provided with connected entrance (19), and the first check valve (20), the first check valve are provided with connected entrance (19)
(20) the current direction pumping box (2) in cleaning case (1) is made;The motor (4) is fixed on the top of cleaning case (1), motor (4) water
It is flat to set, horizontal bent axle (5) is fixedly connected with the output shaft of motor (4), two first songs are provided with bent axle (5)
Arm (8) and one second crank arm (9), and first cranks arm (8) and second cranks arm and be arranged with sleeve (10) on (9), cleaning case (1)
Top offers charging aperture (18);The cleaning basket (3) is arranged in cleaning case (1), and the clear of middle part is divided into cleaning basket (3)
Wash chamber (7) and clean the drive cavity (6) of chamber (7) both sides, the upper end open of cleaning chamber (7) is towards charging aperture (18);Clean chamber (7)
Fix bar (16) is inside inserted vertically into, the lower end of fix bar (16) is fixed on the bottom of cleaning case (1), solid in fix bar (16)
Dingan County is equipped with several swinging plates (17);Vertical gear (14), the central shaft of gear (14) are provided with the drive cavity (6)
It is rotatably installed on the inwall of drive cavity (6), is engaged on gear (14) and be connected with rack (13), the upper end of rack (13) is fixed on
The top of cleaning case (1), several blades (15) are evenly arranged with towards cleaning chamber (7) one side on gear (14);It is described
The both sides of cleaning basket (3) are provided with the first connecting rod (11) on vertical direction, and the lower end of first connecting rod (11) is rotatably connected on clearly
In washing basket (3), upper end passes cleaning case (1) and is fixedly connected on the first sleeve (10) cranked arm on (8);The pumping box (2)
Piston (21) is inside provided with, the upper end of piston (21) is provided with vertical second connecting rod (24), and second connecting rod (24) and piston
(21) it is rotatablely connected, the upper end of second connecting rod (24) passes pumping box (2), and upper end is fixedly connected on the second set cranked arm on (9)
On cylinder (10);Several limbers (22) are offered in the piston (21), limbers (22) run through piston (21), in limbers
(22) the second check valve (23) is installed in, flows up the water below limbers (22), consolidates in the top of limbers (22)
Surely there is horizontal screen pack (26), circulation water inlet is being offered in pumping box (2) side wall corresponding to the top of screen pack (26)
(27), circulation water inlet (27) in cleaning case (1) with connecting.
A kind of 2. agricultural vegetable washer for carrying cleaning water filtration according to claim 1, it is characterised in that:It is described
First crank arm (8) be separately positioned on above the both sides of charging aperture (18).
A kind of 3. agricultural vegetable washer for carrying cleaning water filtration according to claim 1, it is characterised in that:It is described
Fix bar (16) is evenly distributed in cleaning chamber (7) at least provided with four.
A kind of 4. agricultural vegetable washer for carrying cleaning water filtration according to claim 1, it is characterised in that:It is described
Swinging plate (17) is platy structure.
A kind of 5. agricultural vegetable washer for carrying cleaning water filtration according to claim 1, it is characterised in that:It is described
The lower end of first connecting rod (11) is connected by bearing pin (12) with cleaning basket (3).
A kind of 6. agricultural vegetable washer for carrying cleaning water filtration according to claim 1, it is characterised in that:It is described
It is connected between second connecting rod (24) and piston (21) by hinge (25).
A kind of 7. agricultural vegetable washer for carrying cleaning water filtration according to claim 1, it is characterised in that:It is described
Blow-off pipe (28) is communicated with pumping box (2) between screen pack (26) and limbers (22).
A kind of 8. agricultural vegetable washer for carrying cleaning water filtration according to claim 7, it is characterised in that:It is described
Blow-off pipe is provided with valve on (28).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710661684.3A CN107361382A (en) | 2017-08-04 | 2017-08-04 | A kind of agricultural vegetable washer for carrying cleaning water filtration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710661684.3A CN107361382A (en) | 2017-08-04 | 2017-08-04 | A kind of agricultural vegetable washer for carrying cleaning water filtration |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107361382A true CN107361382A (en) | 2017-11-21 |
Family
ID=60309391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710661684.3A Withdrawn CN107361382A (en) | 2017-08-04 | 2017-08-04 | A kind of agricultural vegetable washer for carrying cleaning water filtration |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107361382A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108080329A (en) * | 2017-12-12 | 2018-05-29 | 郑州游爱网络技术有限公司 | A kind of water-saving tealeaves cleaning device |
CN108097632A (en) * | 2017-12-12 | 2018-06-01 | 郑州游爱网络技术有限公司 | A kind of low tealeaves high-efficiency washing device of percentage of damage |
CN108185456A (en) * | 2017-12-13 | 2018-06-22 | 惠安县威科电子科技有限公司 | A kind of food processing vegetable washing apparatus of half gear driving strainer |
CN108272100A (en) * | 2017-12-13 | 2018-07-13 | 惠安县威科电子科技有限公司 | A kind of food processing vegetable washing apparatus of turntable driving strainer |
CN108272099A (en) * | 2017-12-13 | 2018-07-13 | 惠安县威科电子科技有限公司 | A kind of food processing vegetable washing apparatus of electromagnetic drive strainer |
CN108433127A (en) * | 2018-04-08 | 2018-08-24 | 共同科技开发有限公司 | A kind of rotary type Soybean washing machine |
CN109965317A (en) * | 2017-12-28 | 2019-07-05 | 宁波方太厨具有限公司 | A kind of fruit-vegetable cleaner |
CN114858669A (en) * | 2022-07-07 | 2022-08-05 | 江苏科德生态环保水处理有限公司 | Intelligent sludge settlement ratio detection device |
-
2017
- 2017-08-04 CN CN201710661684.3A patent/CN107361382A/en not_active Withdrawn
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108080329A (en) * | 2017-12-12 | 2018-05-29 | 郑州游爱网络技术有限公司 | A kind of water-saving tealeaves cleaning device |
CN108097632A (en) * | 2017-12-12 | 2018-06-01 | 郑州游爱网络技术有限公司 | A kind of low tealeaves high-efficiency washing device of percentage of damage |
CN108185456A (en) * | 2017-12-13 | 2018-06-22 | 惠安县威科电子科技有限公司 | A kind of food processing vegetable washing apparatus of half gear driving strainer |
CN108272100A (en) * | 2017-12-13 | 2018-07-13 | 惠安县威科电子科技有限公司 | A kind of food processing vegetable washing apparatus of turntable driving strainer |
CN108272099A (en) * | 2017-12-13 | 2018-07-13 | 惠安县威科电子科技有限公司 | A kind of food processing vegetable washing apparatus of electromagnetic drive strainer |
CN108272099B (en) * | 2017-12-13 | 2021-02-19 | 重庆梅香园实业集团有限公司 | Vegetable cleaning equipment for food processing of electromagnetic drive filter screen |
CN109965317A (en) * | 2017-12-28 | 2019-07-05 | 宁波方太厨具有限公司 | A kind of fruit-vegetable cleaner |
CN109965317B (en) * | 2017-12-28 | 2024-01-12 | 宁波方太厨具有限公司 | Fruit and vegetable cleaning machine |
CN108433127A (en) * | 2018-04-08 | 2018-08-24 | 共同科技开发有限公司 | A kind of rotary type Soybean washing machine |
CN108433127B (en) * | 2018-04-08 | 2021-04-27 | 山东启腾生物科技有限公司 | Rotary soybean cleaning device |
CN114858669A (en) * | 2022-07-07 | 2022-08-05 | 江苏科德生态环保水处理有限公司 | Intelligent sludge settlement ratio detection device |
CN114858669B (en) * | 2022-07-07 | 2022-09-20 | 江苏科德生态环保水处理有限公司 | Intelligent sludge settlement ratio detection device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107361382A (en) | A kind of agricultural vegetable washer for carrying cleaning water filtration | |
CN207505886U (en) | Direct-injection flushing type fruit and vegetable cleaning device | |
CN108126384A (en) | Filter device and method may be reversed in a kind of ball type | |
CN207507862U (en) | A kind of filter cleaner | |
CN109259271A (en) | A kind of flavor needle mushroom cleaning device | |
CN207574475U (en) | A kind of agricultural vegetable washer of included cleaning water filtration | |
CN106925558A (en) | A kind of medicinal material cleaning device of cycling use of water | |
CN201905210U (en) | Fruit and vegetable washing machine | |
CN207639644U (en) | A kind of vegetable cleaning device convenient for discharging | |
CN210936337U (en) | Cleaning equipment for cleaning chemical bucket | |
CN209950266U (en) | Belt cleaning device of tuna protein peptide production process | |
CN218797754U (en) | Rice cleaning mechanism is used in rice flour processing | |
CN207430795U (en) | A kind of Chinese herbal medicinal high-efficiency convenient for discharge cleans impurity removing device | |
CN215836978U (en) | Dried plum peeling cleaning and impurity removing device | |
CN107432485A (en) | A kind of vegetable cleaning device for being easy to discharging | |
CN209138861U (en) | It is a kind of except iron and to wash husky device for construction | |
CN113785994A (en) | High-efficiency high-quality automatic soybean cleaning device and using method thereof | |
CN219876805U (en) | Breeding equipment for rice planting | |
CN207767489U (en) | A kind of sweet potato high-efficient cleaning washes away mud device | |
CN207531870U (en) | A kind of agricultural machinery water recycles fruit-vegetable cleaner | |
CN208309708U (en) | A kind of bend pipe of achievable water circulation use | |
CN218921533U (en) | Food processing equipment with drainage structure | |
CN220532412U (en) | Vine tea former leaf processing cleaning equipment | |
CN210764758U (en) | Drinking water coagulation filter device | |
CN213855936U (en) | A self-cleaning device for agricultural seed processing production |
Legal Events
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 | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171121 |
|
WW01 | Invention patent application withdrawn after publication |