CN109224514A - A kind of separating barrel of the extracter applied to biochemical industry liquid - Google Patents
A kind of separating barrel of the extracter applied to biochemical industry liquid Download PDFInfo
- Publication number
- CN109224514A CN109224514A CN201811211053.2A CN201811211053A CN109224514A CN 109224514 A CN109224514 A CN 109224514A CN 201811211053 A CN201811211053 A CN 201811211053A CN 109224514 A CN109224514 A CN 109224514A
- Authority
- CN
- China
- Prior art keywords
- density
- liquid
- bar
- slide
- staving
- 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- Withdrawn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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0476—Moving receptacles, e.g. rotating receptacles
- B01D11/048—Mixing by counter-current streams provoked by centrifugal force, in rotating coils or in other rotating spaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a kind of separating barrels of extracter applied to biochemical industry liquid, separating barrel includes staving, the slide-bar being laterally arranged is equipped in staving, partition component is arranged on slide-bar, partition component includes the internal plug set gradually from inside to outside along slide-bar, stripper loop, outer plug, and stripper loop is equipped with liquid-leaking nozzle, and the top surface that staving is located inside is equipped with air hole, slide-bar is equipped with low-density taphole, and opening and closing set is arranged on slide-bar.The present invention allows the density of partition component and the density of the first liquid of mixed liquor and second liquid to be adapted, allow in this way separating barrel high speed rotation when, partition component can separate the first liquid and second liquid, and the first liquid is allowed to release from low-density taphole, and second liquid is released from high density taphole.The present invention is used for centrifugal extractor.
Description
Technical field
The present invention relates to biofluids, industrial chemicals Preparation equipment field, in particular to a kind of to be applied to biochemical industry liquid
The separating barrel of the extracter of body.
Background technique
Centrifugal extractor is a kind of fast and efficiently extraction equipment.
Its principle is that staving is allowed to carry out high speed rotation, and the liquid for making density big is mobile toward bucket wall, and low density liquid stays
In the central area of bucket, to realize the layering of two kinds of liquid, discharge.Once but staving stops rotating or rotation speed drop
It is low, it will lead to two kinds of liquid and mix again.Moreover, two kinds of liquid are often difficult to the presence of apparent boundary, just it is difficult to two kinds not
It is extracted with liquid, and must also allow staving to continue to keep high speed rotation in extraction process, result in additional energy consumption.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of separating barrel of extracter applied to biochemical industry liquid.
The solution that the present invention solves its technical problem is:
The inboard outer of a kind of separating barrel of the extracter applied to biochemical industry liquid, including staving, staving is equipped with interconnecting piece,
Be equipped with the slide-bar being laterally arranged in staving, be arranged with partition component on slide-bar, partition component include along slide-bar from inside to outside successively
The internal plug of setting, stripper loop, outer plug, the outside of stripper loop and the inner wall of staving are tightly connected, internal plug, outer plug and slide-bar sealing shroud
It connecing, stripper loop is equipped with liquid-leaking nozzle, and the inside of internal plug is equipped with inner seal ring, and the outside of outer plug is equipped with outer seal ring, inner seal ring,
Outer seal ring can be tightly connected with liquid-leaking nozzle, and the density of outer plug is less than the density of stripper loop, and the density of internal plug is greater than stripper loop
Density, outer plug, internal plug are tightly connected with slide-bar, and the outside of stripper loop and the inner wall of staving are tightly connected, and staving is located at outside
Bottom surface be equipped with high density taphole, the top surface that staving is located inside is equipped with air hole, and slide-bar is low equipped with low-density taphole
The position of density taphole and the size fit along slide-bar extending direction of partition component, so that outermost partition component is mobile
When to outermost, the inside of low-density taphole partition component on the outermost side is arranged with opening and closing set on slide-bar, opens and closes set
Outside is equipped with float, and float is cylindrical in shape, and float is set on slide-bar so that float will opening and closing set push to low-density taphole to
Realize the closing of low-density taphole, opening and closing, which is put on, is equipped with the linkage shaft shoulder, and the outer dimension for the shaft shoulder that links is greater than the shape of slide-bar
Size, so that plug is abutted with the linkage shaft shoulder outside when outermost partition component is moved to outermost, and opening and closing set is moved outward, from
And opening and closing set is allowed to leave low-density taphole, realize the unlatching of low-density taphole, the density of float is identical as the density of outer plug
Or the density of float is less than the density of outer plug.
As a further improvement of the foregoing solution, partition component further includes the sealing ring being fixedly connected with stripper loop, is separated
Ring is realized by sealing ring and is tightly connected with the inner wall of staving.
As a further improvement of the foregoing solution, stripper loop is in the cone-shaped component being laterally arranged, and stripper loop inside is small and outer
Side is big.
The beneficial effects of the present invention are: a kind of separating barrel of the extracter applied to biochemical industry liquid, including staving, bucket
The inboard outer of body is equipped with interconnecting piece, and the slide-bar being laterally arranged is equipped in staving, is arranged with partition component, partition component on slide-bar
Including set gradually from inside to outside along slide-bar internal plug, stripper loop, outer plug, the inner wall of the outside of stripper loop and staving, which seals, to be connected
Connect, internal plug, outer plug and slide-bar sealing are socketed, and stripper loop is equipped with liquid-leaking nozzle, and the inside of internal plug is equipped with inner seal ring, outer plug it is outer
Side is equipped with outer seal ring, and inner seal ring, outer seal ring can be tightly connected with liquid-leaking nozzle, and the density of outer plug is less than the close of stripper loop
Degree, the density of internal plug are greater than the density of stripper loop, and outer plug, internal plug are tightly connected with slide-bar, the outside of stripper loop and staving
Inner wall is tightly connected, and the bottom surface that staving is located at outside is equipped with high density taphole, and the top surface that staving is located inside is equipped with air hole,
Slide-bar is equipped with low-density taphole, and the position of low-density taphole and the size along slide-bar extending direction of partition component are suitable
Match, when so that outermost partition component being moved to outermost, the inside of low-density taphole partition component on the outermost side,
Opening and closing set is arranged on slide-bar, the outside for opening and closing set is equipped with float, and float is cylindrical in shape, and float is set on slide-bar, so that float
Push opening and closing set to low-density taphole to realize the closing of low-density taphole, opening and closing, which is put on, is equipped with the linkage shaft shoulder, linkage
The outer dimension of the shaft shoulder is greater than the outer dimension of slide-bar, so that filling in and linking outside when outermost partition component is moved to outermost
The shaft shoulder abuts, and opening and closing set is moved outward, so that opening and closing set be allowed to leave low-density taphole, realizes opening for low-density taphole
It opens, the density of float is identical as the density of outer plug or the density of float is less than the density of outer plug.In use, setting is tubular
Centrifugal shaft, is equipped with driving motor in centrifugal shaft, and centrifugal shaft is equipped at least two and is laterally arranged separating barrels, all separating barrels with
Centrifugal shaft is across the square ring shape cloth setting such as rotary shaft, and driving motor is connect with interconnecting piece.Allow the mixed of the first liquid and second liquid
Close liquid be put into staving, wherein the density of the first liquid be less than second liquid density, while allow the density of stripper loop between
Between first liquid and the density of second liquid, allows the density of internal plug to be greater than the density of the first liquid, the density of outer plug is allowed to be less than
The density of second liquid is clogged with rubber plug in high density taphole, then starts driving motor, and staving is allowed to follow centrifugal shaft to extract
Speed is taken to rotate, to allow mixing liquid to be layered, at this point, since the effect internal plug of seal friction force, stripper loop, outer plug are equal
It will not move, the velocity of rotation of staving is improved, centrifugal acceleration causes at this time after reaching the time for completing layering according to technique
Buoyancy have been above frictional force, then, under the action of buoyancy, stripper loop can be moved to the first liquid and second liquid point
It separates, and internal plug and outer plug can all enter in liquid-leaking nozzle, to realize the separation of two kinds of liquid, then improve the rotation of entire body
Speed allows rubber plug abjection to automatically open high density taphole, so that second liquid is released, after second liquid completes discharge,
Partition component and opening and closing set is pressed to, opening and closing set is allowed to move outward, to open low-density taphole, to allow the first liquid from low
Layering, the extraction of two kinds of liquid are realized in the discharge of density taphole.The present invention is used for centrifugal extractor.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the structural schematic diagram for the embodiment that the present invention is applied to extracter；
Fig. 2 is the partial structural diagram for the embodiment that the present invention is applied to extracter.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text
All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding
Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the present invention, in the premise of not conflicting conflict
Under can be with combination of interactions.
Referring to Figures 1 and 2, this is the embodiment of the present invention, specifically:
A kind of biochemical industry liquid extraction machine, separating barrel, centrifugal shaft 1 including several biochemical industry liquid extraction machines, each
The separating barrel of biochemical industry liquid extraction machine includes separating barrel, and separating barrel is laid with centrifugal shaft 1 for across the square ring shape such as rotary shaft,
Separating barrel includes staving 31, and the inboard outer of staving 31 is equipped with interconnecting piece 311, and the slide-bar 32 being laterally arranged is equipped in staving, sliding
Be arranged with partition component on axis 32, partition component include the internal plug 332 set gradually from inside to outside along slide-bar 32, stripper loop 331,
Outer plug 333, the outside of stripper loop 331 and the inner wall of staving 31 are tightly connected, internal plug 332, outer plug 333 and 32 sealing shroud of slide-bar
It connecing, stripper loop 331 is equipped with liquid-leaking nozzle, and the inside of internal plug 332 is equipped with inner seal ring, and the outside of outer plug 333 is equipped with outer seal ring,
Inner seal ring, outer seal ring can be tightly connected with liquid-leaking nozzle, and the density of outer plug 333 is less than the density of stripper loop 331, internal plug 332
Density be greater than stripper loop 331 density, it is outer plug 333, internal plug 332 with slide-bar 32 be tightly connected, the outside of stripper loop 331 with
The inner wall of staving 31 is tightly connected, and the bottom surface that staving 31 is located at outside is equipped with high density taphole 313, and staving 31 is located inside
Top surface is equipped with air hole 312, and slide-bar 32 is equipped with low-density taphole 314, the position of low-density taphole 314 and partition component
The size fit along slide-bar extending direction, when so that outermost partition component being moved to outermost, low-density taphole 314
The inside of partition component on the outermost side, opening and closing set 321 is arranged on slide-bar 32, and the outside of opening and closing set 321 is equipped with float
322, float is set on slide-bar, so that float 322 pushes opening and closing set 321 to low-density taphole 314 to realize low-density
The closing of taphole 314, opening and closing set 321 are equipped with the linkage shaft shoulder, and the outer dimension for the shaft shoulder that links is greater than the shape ruler of slide-bar 32
It is very little, so that plug 333 is abutted with the linkage shaft shoulder outside when outermost partition component is moved to outermost, and outward by opening and closing set 321
It moves, so that opening and closing set 321 be allowed to leave low-density taphole 314, realizes the unlatching of low-density taphole 314.Allow the first liquid and
The mixing liquid of second liquid is put into staving, wherein the density of the first liquid is less than the density of second liquid, while allowing separation
The density of ring allows the density of internal plug to be greater than the density of the first liquid between the first liquid and the density of second liquid, allows outer
The density of plug be less than second liquid density, clogged in high density taphole with rubber plug, then start driving motor, allow staving with
Rotated with centrifugal shaft with rate of extraction, so that mixing liquid be allowed to be layered, at this point, due to the effect internal plug of seal friction force,
Stripper loop, outer plug will not move, and according to technique, after reaching the time for completing layering, improve the velocity of rotation of staving, at this time from
Buoyancy caused by heart acceleration has been above frictional force, and then, under the action of buoyancy, stripper loop can be moved to the first liquid
It is separated with second liquid, and internal plug and outer plug can all enter in liquid-leaking nozzle, to realize the separation of two kinds of liquid, then mention
The velocity of rotation of high entire body allows rubber plug abjection to automatically open high density taphole, so that second liquid is released, second liquid
After completing discharge, partition component is covered with opening and closing is pressed to, and allows opening and closing set to move outward, so that low-density taphole is opened, to allow
First liquid is discharged from low-density taphole, realizes layering, the extraction of two kinds of liquid.The present embodiment leans on centrifugal force by the first liquid
It is discharged with second liquid, discharge is fast, and can well be accurately separated two kinds of liquid, and the density of float is close with outer plug
The density that identical or float density is less than outer plug is spent, such float 322 pushes opening and closing set 321 under the action of buoyancy, allows and open
It closes set 321 and seals low-density taphole 314, and filled under 333 promotion outside, opening and closing set 321 is just allowed to move outward.Staving also wraps
Include bung, the ladle body positioned inside positioned at outside, the outer end of centrifugal shaft 1 connect with bung, the inner end of centrifugal shaft 1 and ladle body
The connection of inside inner wall, bung and the removable connection of ladle body.Bung is threadedly coupled with ladle body.
For the ease of sealing, partition component further includes the sealing ring 334 being fixedly connected with stripper loop 331, and stripper loop 331 is logical
Sealing ring 334 is crossed to realize and the sealed connection of the inner wall of staving 31.
The stripper loop 331 of the present embodiment is in the cone-shaped component being laterally arranged, and 331 inside of stripper loop is small and outside is big, in this way
The first liquid and second liquid can be allowed to separate well.
The upper end of centrifugal shaft 1 is equipped with lower bearing 42, and lower bearing 42 is deep groove ball bearing, the outer ring of lower bearing 42 and centrifugal shaft
1 is fixedly connected, and the downside of interconnecting piece 311 is equipped with groove, and the groove is fixedly connected with the inner ring of lower bearing 42.In this way convenient for peace
Dress is also beneficial to reduce the rotational resistance of separating barrel.The upper end of the shaft of driving motor 2 is removable to be connected with gland 90, gland
90 outer is equipped with the fastening ring extended down, fastens ring and is equipped with several fastening notches, the upside of interconnecting piece 311 is equipped with
Upper projecting portion, interconnecting piece 311 connects with notch is fastened, upper projecting portion be located at fasten inner wall and the driving motor 2 of ring shaft it
Between.And lower bearing and gland cooperate, and can be fixed on separating barrel in shaft well, and fasten notch be able to achieve it is adjacent
Separating barrel equal across angle isolation.
The present embodiment further includes cylindrical liquid receptacle, and liquid receptacle is equipped with low-density liquid storage chamber 51, high density liquid storage chamber 52,
Low-density liquid storage chamber 51 is equipped with cricoid first liquid receiving port 511, and high density liquid storage chamber 52 is equipped with cricoid second liquid receiving port
521, staving 31 is equipped with the low-density drain pipe 61 being connected to low-density taphole 314, and low-density drain pipe 61 protrudes into first
In liquid receiving port 511, staving 31 is equipped with the high density drain pipe 62 being connected to high density taphole 313, high density drain pipe 62
It protrudes into the second liquid receiving port 521.Such liquid receptacle can well receive the first liquid and second liquid respectively.
The downside outer wall of the staving 31 of the present embodiment and upside outer wall sliding branch structure connection, the sliding branch structure packet of liquid receptacle
The perpendicular baffle 71 outside the device of outer wall that is located on the upside of liquid receptacle positioned at outside is included, the upside of perpendicular baffle 71 is equipped with device pressing plate 72 outside device,
The lower section of device pressing plate 72 is set there are two ball layer, and each ball layer includes the ball that several lay around 1 annular array of centrifugal shaft
73, the inside that device erects baffle 71 outside, which is equipped in device, erects baffle 74, and underlying ball layer is located in device and erects outside baffle 74 and device
Between perpendicular baffle 71, the downside outer wall of staving 31 is equipped with bucket riser 75, and the ball layer being located above is located at barrel riser 75 and device
Outside between perpendicular baffle 71, the lower end of bucket riser 75 is equipped with bucket transverse slat 76, and bucket transverse slat 76 is located between described two ball layers.This
Sample, underlying ball layer can support staving well, and interconnecting piece can also be prevented to be broken and lead to throwing away for staving.
Staving further includes bung, the ladle body positioned inside positioned at outside, and the outer end of centrifugal shaft connect with bung, centrifugal shaft
Inner end and the inside inner wall of ladle body connect, bung and the removable connection of ladle body.
Better embodiment of the invention is illustrated above, but the present invention is not limited to the embodiment,
Those skilled in the art can also make various equivalent modifications or replacement on the premise of without prejudice to spirit of the invention, this
Equivalent variation or replacement are all included in the scope defined by the claims of the present application a bit.
Claims (4)
1. a kind of separating barrel of the extracter applied to biochemical industry liquid, including staving (31), it is characterised in that: staving (31)
Inboard outer be equipped with interconnecting piece (311), the slide-bar (32) being laterally arranged is equipped in staving (31), is arranged on slide-bar (32) point
Every component, partition component includes the internal plug (332) set gradually from inside to outside along slide-bar (32), stripper loop (331), outer plug
(333), the inner wall of the outside of stripper loop (331) and staving (31) is tightly connected, internal plug (332), outer plug (333) and slide-bar (32)
Sealing socket, stripper loop (331) are equipped with liquid-leaking nozzle, and the inside of internal plug (332) is equipped with inner seal ring, the outside of outer plug (333)
Equipped with outer seal ring, inner seal ring, outer seal ring can be tightly connected with liquid-leaking nozzle, and the density of outer plug (333) is less than stripper loop
(331) density, the density of internal plug (332) are greater than the density of stripper loop (331), and outer plug (333), internal plug (332) are and slide-bar
(32) it is tightly connected, the outside of stripper loop (331) and the inner wall of staving (31) are tightly connected, and staving (31) is located at the bottom surface in outside
Equipped with high density taphole (313), the top surface that staving (31) is located inside is equipped with air hole (312), and slide-bar (32) is equipped with low
Density taphole (314), the position of low-density taphole (314) and the size along slide-bar (32) extending direction of partition component are suitable
Match, when so that outermost partition component being moved to outermost, low-density taphole (314) partition component on the outermost side
Inside is arranged with opening and closing set (321) on slide-bar (32), and the outside of opening and closing set (321) is equipped with float (322), and float (322) is in cylinder
Shape, float (322) are set on slide-bar (32), so that float (322) pushes opening and closing set (321) to low-density taphole (314)
To realize the closing of low-density taphole (314), opening and closing set (321) is equipped with the linkage shaft shoulder, the outer dimension for the shaft shoulder that links
Greater than the outer dimension of slide-bar (32), so that plug (333) and the shaft shoulder that links outside when outermost partition component is moved to outermost
It abuts, and opening and closing set (321) is moved outward, so that opening and closing set (321) be allowed to leave low-density taphole (314), realize low-density
The unlatching of taphole (314), the density of float (322) and outer plug the density of (333) is identical or the density of float (322) be less than it is outer
Fill in the density of (333).
2. a kind of separating barrel of extracter applied to biochemical industry liquid according to claim 1, it is characterised in that: point
It further include the sealing ring (334) being fixedly connected with stripper loop (331) every component, stripper loop (331) is realized by sealing ring (334)
It is tightly connected with the inner wall of staving (31).
3. a kind of separating barrel of extracter applied to biochemical industry liquid according to claim 1, it is characterised in that: point
Spacer ring (331) is in the cone-shaped component being laterally arranged, and stripper loop (331) inside is small and outside is big.
4. a kind of separating barrel of extracter applied to biochemical industry liquid according to claim 1, it is characterised in that: bucket
Body (31) further includes bung, the ladle body positioned inside positioned at outside, and the outer end of centrifugal shaft (1) connect with bung, centrifugal shaft (1)
Inner end and the inside inner wall of ladle body connect, bung and the removable connection of ladle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211053.2A CN109224514A (en) | 2018-10-17 | 2018-10-17 | A kind of separating barrel of the extracter applied to biochemical industry liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211053.2A CN109224514A (en) | 2018-10-17 | 2018-10-17 | A kind of separating barrel of the extracter applied to biochemical industry liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109224514A true CN109224514A (en) | 2019-01-18 |
Family
ID=65053620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811211053.2A Withdrawn CN109224514A (en) | 2018-10-17 | 2018-10-17 | A kind of separating barrel of the extracter applied to biochemical industry liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109224514A (en) |
-
2018
- 2018-10-17 CN CN201811211053.2A patent/CN109224514A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108861045B (en) | Quantitative liquid outlet cover for quantitative liquid taking | |
| CN103495510A (en) | Flat plate type full-automatic sedimentation scraper centrifugal machine | |
| CN206009015U (en) | A kind of full-automatic gravity lower discharging centrifuge rotary drum | |
| CN109224519A (en) | A kind of biochemical industry liquid centrifugal extractor | |
| CN210151065U (en) | Leukemia cell separation and extraction device | |
| CN207066792U (en) | A kind of high low layer synchronous sampler of barreled gravure printing ink | |
| CN109224514A (en) | A kind of separating barrel of the extracter applied to biochemical industry liquid | |
| CN109224513A (en) | A kind of driving structure of the centrifugal extractor applied to biochemical industry liquid | |
| CN109224523A (en) | A kind of extracter applied to biochemical industry liquid | |
| CN109224522A (en) | A kind of centrifugal extractor applied to biochemical industry liquid | |
| CN109224526A (en) | A kind of biochemical industry liquid extraction machine | |
| CN109248469A (en) | A kind of separating barrel of biochemical industry liquid extraction machine | |
| CN106269302A (en) | Cell centrifugation extraction machine is used in a kind of experiment | |
| CN109224524A (en) | A kind of driving structure of biochemical industry liquid centrifugal extractor | |
| CN216396706U (en) | Fertile light component separator of liquid | |
| CN112360533B (en) | Anchoring structure for tunnel interbedded rock mass | |
| CN216653536U (en) | Oil separating, storing and filling system | |
| CN212651833U (en) | Vegetable oil nucleic acid extraction layering cuts off centrifuging tube | |
| CN209307268U (en) | A kind of extraction separator of beta glucan | |
| CN207641664U (en) | A kind of efficient centrifugal machine of chemical industry station-service | |
| CN208990993U (en) | A kind of two-part horizontal decanter centrifuge | |
| CN109224515A (en) | A kind of biochemical industry liquid centrifugal extractor separating barrel with density valve | |
| CN208321109U (en) | Can automatic discharge centrifugal separator | |
| CN109224520A (en) | A kind of density valve biochemical industry liquid extraction machine | |
| CN207576679U (en) | A kind of medicinal centrifuge of raw material |
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: 20190118 |
|
| WW01 | Invention patent application withdrawn after publication |