CN105396331A - A defoaming machine - Google Patents
A defoaming machine Download PDFInfo
- Publication number
- CN105396331A CN105396331A CN201510906689.9A CN201510906689A CN105396331A CN 105396331 A CN105396331 A CN 105396331A CN 201510906689 A CN201510906689 A CN 201510906689A CN 105396331 A CN105396331 A CN 105396331A
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- tank
- defoaming
- slurry
- cylindrical shell
- 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
Landscapes
- Degasification And Air Bubble Elimination (AREA)
Abstract
A defoaming machine is disclosed and comprises a first defoaming mechanism and a second defoaming mechanism. The first defoaming mechanism comprises a defoaming tank and a first motor disposed at the top of the defoaming tank. The output shaft of the first motor is connected to a transmission shaft. A butterfly defoaming disk is mounted at the transmission shaft. An outer tank sleeves the defoaming tank, and an inner cavity for containing temperature controlling water is formed. The second defoaming mechanism comprises a cylinder, a second motor and a rotary drum. The bottom cylinder wall of the cylinder is provided with a feeding pipe. The top cylinder wall of the cylinder is provided with a discharging pipe. A main shaft is rotationally and hermetically mounted to the cylinder wall of the cylinder. The tail end of the main shaft is mounted with the second motor. The main shaft in the cylinder is fixedly connected to the rotary drum. The feeding pipe penetrates into the rotary drum. The discharging end of the feeding pipe is disposed at a position on the inner wall of the rotary drum, with the position being corresponding to the axis of the main shaft. The discharging pipe penetrates into the rotary drum, and the feeding end of the discharging pipe is disposed at the top of the inside of the rotary drum. A discharging port is connected to the feeding pipe through a slurry conveying pipe. The defoaming machine achieves double-cylinder twice defoaming, controls slurry temperature and improves defoaming effects.
Description
Technical field
The present invention relates to defoaming device technical field, more specifically relate to defoamer.
Background technology
Vacuum defoamation technology is widely used in the deaeration of the alveolate liquid slurry of the band such as food, chemical industry, and existing slurry deaeration generally adopts the chemical method of adding defoamer or the physical method adopting vacuum stirring de-bubble.Chemical method needs to increase defoamer in addition, and some defoamer may produce bad reaction to raw material.Certain material need be placed in closed container by vacuum stirring bubble removing method, carries out stirring and uses vavuum pump to vacuumize.The method is Physical, usually material physical and chemical performance can not be changed, but traditional equipment cannot meet the slurry deaeration of large viscosity, traditional defoamer all adopts the deaeration of monotubular single, deaeration effect is poor, because slurry viscosity is large, need strengthen vacuum and extend mixing time, strengthen with vacuum, in slurry, the boiling point of water can reduce, and it is very fast that water at normal temperature branch volatilizees, holding volatile composition in slurry also can run off more, cause slurry to lump, even cause the composition of slurry to change, affect the quality of slurry.
Summary of the invention
In order to solve the problem, the invention provides one and realizing the deaeration of bitubular secondary, control slurry temperature, making the defoamer of deaeration effect promoting.
According to an aspect of the present invention, provide defoamer, it comprises the first defoaming mechanism and the second defoaming mechanism, first defoaming mechanism comprises Debubbling tank, first motor, the top of Debubbling tank is provided with feeding-passage, the bottom of Debubbling tank is provided with discharging opening, Debubbling tank top is located at by first motor, the output shaft of the first motor is connected with power transmission shaft, power transmission shaft is provided with butterfly deaeration dish, outer tank is arranged with outside Debubbling tank, the inner chamber being used for accommodating temperature control water is formed between Debubbling tank and outer tank, second defoaming mechanism comprises cylindrical shell, second motor and rotary drum, the bottom barrel of cylindrical shell is provided with feed pipe, the top barrel of cylindrical shell is provided with discharge nozzle, on the barrel of cylindrical shell, rotary seal is provided with main shaft, main the tip of the axis installs the second motor, the main shaft being positioned at cylindrical shell is fixedly connected with rotary drum, feed pipe stretches in rotary drum, and the discharge end of feed pipe is arranged on drum inner wall position corresponding to the axis that is positioned at main shaft, discharge nozzle stretches in rotary drum, and the feed end of discharge nozzle is arranged on and is positioned at rotary drum inside top position, the discharging opening of Debubbling tank passes through the feed pipe of fluid-conveying pipe connector drum, Debubbling tank and cylindrical shell are equipped with suction interface.Thus, first by the butterfly deaeration dish in the first defoaming mechanism, cutting is carried out to the bubble in slurry and complete first time deaeration, recycle the second defoaming mechanism and carry out second time deaeration, concrete, slurry is attracted in rotary drum from feed pipe, rotary drum High Rotation Speed, slurry is formed membranaceous at the inwall of rotary drum, by micro-bubble and pulp separation, bubble is extracted out through suction interface, slurry overflows from discharge nozzle under centrifugal action, thus the secondary deaeration realized slurry, substantially increase deaeration effect, simultaneously, in the outer sheathed outer tank of Debubbling tank, the inner chamber being used for accommodating temperature control water is formed between Debubbling tank and outer tank, when the temperature of the temperature control water in inner chamber raises, the temperature of slurry is along with rising, gas expansion in bubble impels bubble to break, effectively improve the quality of liquid slurry.
In some embodiments, outer tank offers water inlet and delivery port respectively, water inlet and delivery port are respectively arranged with the temperature probe detecting water flow temperature, and temperature probe is electrically connected with the flow regulator of temperature control water respectively.Thus, can regulate the temperature of temperature control water, avoid the too low impact of its temperature to the effect of bubble, also avoid temperature too high and cause volatilize composition, as water and the loss with volatile organic substance thereof.
In some embodiments, butterfly deaeration dish is 15 ~ 40 degree of conical disc and conical disc outer is along the circumferential direction parallel is provided with some spiral grooves.Thus, fall into butterfly deaeration dish when slurry and progressively spread to edge by central point, the larger bubble be not also destroyed when arriving edge can be cut by the spiral groove on butterfly deaeration web edge, bubble diminishes, Debubbling tank inwall is hit subsequently by powerful centrifugal force, then slowly flowed to the bottom of Debubbling tank by Debubbling tank inwall film-like, slurry carries out filming through deaeration dish thus reaches the object destroying bubble in slurry; The effect of first order slurry film forming can be subject to many-sided restriction, such as, the fluctuation of slurry input amount, the rotating speed etc. of deaeration dish, these factors all can affect the effect of deaeration, therefore second defoaming mechanism is set secondary deaeration is carried out to the slurry that the first defoaming mechanism deaeration completes, when being flowed down along Debubbling tank inwall by the slurry after butterfly deaeration dish film forming, by fluid-conveying pipe to cylindrical shell, second defoaming mechanism implements the deaeration again of slurry, slurry deaeration effect is significantly promoted, reduces the content of bubble in slurry, improve the quality of slurry.
In some embodiments, the discharge end of feed pipe is provided with conically flow directing nozzles.
In some embodiments, Debubbling tank and cylindrical shell are all provided with pressure monitoring table.Thus, the pressure in Debubbling tank and cylindrical shell is monitored at any time by pressure monitoring table.
Advantage of the present invention is: the present invention arranges the first defoaming mechanism and the secondary deaeration of the second defoaming mechanism realization to slurry, in the outer sheathed outer tank of Debubbling tank, the inner chamber being used for accommodating temperature control water is formed between Debubbling tank and outer tank, the temperature of temperature control water raises, the temperature of slurry is also along with rising, gas expansion in bubble impels bubble to break, temperature probe is set to temperature control water Real-Time Monitoring temperature, the temperature of temperature control water is regulated, avoid temperature too high and cause volatilize composition, slurry deaeration effect is significantly promoted, reduce the content of bubble in slurry, improve the quality of slurry.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of defoamer of the present invention;
Fig. 2 is the structural representation of the butterfly deaeration dish of defoamer of the present invention.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated.
As shown in Figure 1, the defoamer of an embodiment of the present invention, comprises the first defoaming mechanism 1 and the second defoaming mechanism 2.First defoaming mechanism 1 comprises Debubbling tank 11, first motor 12, the top of Debubbling tank 11 is provided with feeding-passage 13, the bottom of Debubbling tank 11 is provided with discharging opening 14, Debubbling tank 11 top is located at by first motor 12, the output shaft of the first motor 12 is connected with power transmission shaft 3 by shaft coupling 15, power transmission shaft 3 is provided with butterfly deaeration dish 4, outside Debubbling tank 11, is arranged with outer tank 5, between Debubbling tank 11 and outer tank 5, form the inner chamber 6 being used for accommodating temperature control water.Second defoaming mechanism 2 comprises cylindrical shell 21, second motor 22 and rotary drum 23, the bottom barrel of cylindrical shell 21 is provided with feed pipe 24, the top barrel of cylindrical shell 21 is provided with discharge nozzle 25, the barrel of cylindrical shell 21 is provided with main shaft 26 by gland seal device 28 rotary seal, the end of main shaft 26 installs the second motor 22, the main shaft 26 being positioned at cylindrical shell 21 is fixedly connected with rotary drum 23, feed pipe 24 stretches in rotary drum 23, and the discharge end of feed pipe 24 is arranged on rotary drum 23 inner wall position corresponding to the axis that is positioned at main shaft 26, the discharge end of feed pipe 24 is provided with conically flow directing nozzles 27.Discharge nozzle 25 stretches in rotary drum 23, and the feed end of discharge nozzle 25 is arranged on and is positioned at rotary drum 23 inside top position.The discharging opening 14 of Debubbling tank 11 passes through the feed pipe 24 of fluid-conveying pipe 7 connector drum 21.Debubbling tank 11 and cylindrical shell 21 are equipped with suction interface 8, and Debubbling tank 11 and cylindrical shell 21 are all provided with pressure monitoring table 9.First carry out cutting by the bubble in the butterfly deaeration dish 4 pairs of slurries in the first defoaming mechanism 1 and complete first time deaeration, recycle the second defoaming mechanism 2 and carry out second time deaeration.Concrete, slurry is attracted in rotary drum 23 from feed pipe 24, rotary drum 23 High Rotation Speed, slurry is formed membranaceous at the inwall of rotary drum 23, by micro-bubble and pulp separation, bubble is extracted out through suction interface 8, slurry overflows from discharge nozzle 25 under centrifugal action, thus the secondary deaeration realized slurry, substantially increase deaeration effect, simultaneously, in the outer sheathed outer tank 5 of Debubbling tank 11, the inner chamber 6 being used for accommodating temperature control water is formed between Debubbling tank 11 and outer tank 5, when the temperature of the temperature control water in inner chamber 6 raises, the temperature of slurry is along with rising, gas expansion in bubble impels bubble to break, effectively improve the quality of liquid slurry.
Outer tank 5 offers respectively water inlet 51 and delivery port 52, water inlet 51 and delivery port 52 are respectively arranged with the temperature probe detecting water flow temperature, and temperature probe is electrically connected with the flow regulator of temperature control water respectively.Can regulate the temperature of temperature control water, avoid the too low impact of its temperature to the effect of bubble, also avoid temperature too high and cause volatilize composition, as water and the loss with volatile organic substance thereof.
As shown in Figure 2, butterfly deaeration dish 4 is 15 ~ 40 degree of conical disc and conical disc outer is along the circumferential direction parallel is provided with some spiral grooves 41.Fall into butterfly deaeration dish 4 when slurry and progressively spread to edge by central point, the larger bubble be not also destroyed when arriving edge can be cut by the spiral groove 41 at butterfly deaeration dish 4 edge, bubble diminishes, Debubbling tank 11 inwall is hit subsequently by powerful centrifugal force, then slowly flowed to the bottom of Debubbling tank 11 by Debubbling tank 11 inwall film-like, slurry carries out filming through butterfly deaeration dish 4 thus reaches the object destroying bubble in slurry; The effect of first order slurry film forming can be subject to many-sided restriction, such as, the fluctuation of slurry input amount, the rotating speed etc. of butterfly deaeration dish 4, these factors all can affect the effect of deaeration, therefore second defoaming mechanism 2 is set secondary deaeration is carried out to the slurry that the first defoaming mechanism 1 deaeration completes, when being flowed down along Debubbling tank 11 inwall by the slurry after butterfly deaeration dish 4 film forming, by fluid-conveying pipe 7 to cylindrical shell 21, second defoaming mechanism 2 implements the deaeration again of slurry, slurry deaeration effect is significantly promoted, reduces the content of bubble in slurry, improve the quality of slurry.
The course of work of the present invention: continue to pour into the slurry treating deaeration in feeding-passage 13, simultaneously, starting the first motor 12, first motor 12 drives power transmission shaft 3 to rotate by shaft coupling 15, and the butterfly deaeration dish 4 be installed on power transmission shaft 3 rotates along with the rotation of power transmission shaft 3; Fall into butterfly deaeration dish 4 when slurry and progressively spread to edge by central point, the larger bubble be not also destroyed when arriving edge can be cut by the spiral groove 41 at butterfly deaeration dish 4 edge, bubble diminishes, the inwall of Debubbling tank 11 is hit subsequently by powerful centrifugal force, then the bottom of Debubbling tank 11 is slowly flowed to by Debubbling tank 11 inwall film-like, slurry carries out filming through butterfly deaeration dish 4 thus reaches the object destroying bubble in slurry, gas is extracted out through suction interface 8, realizes the first time deaeration of slurry; When being flowed down by the inwall of the slurry after butterfly deaeration dish 4 film forming along Debubbling tank 11, by fluid-conveying pipe 7 to cylindrical shell 21, slurry is attracted in rotary drum 23 from feed pipe 24, rotary drum 23 High Rotation Speed, slurry is formed membranaceous at the inwall of rotary drum 23, and by micro-bubble and pulp separation, bubble is extracted out through suction interface 8, slurry overflows from discharge nozzle 25 under centrifugal action, thus realizes the secondary deaeration to slurry; When deaeration, the gas that the bubbles burst in slurry produces is discharged by suction interface 8, by observing the air pressure in pressure monitoring table 9 moment observation cylindrical shell 21.The defoamer that the present invention proposes makes slurry deaeration effect significantly promote, and reduces the content of bubble in slurry, improves the quality of slurry.
Above-described is only some embodiments of the present invention, it should be pointed out that for the person of ordinary skill of the art, and under the prerequisite not departing from creation design of the present invention, can also make other distortion and improve, these all belong to protection scope of the present invention.
Claims (5)
1. defoamer, it is characterized in that, comprise the first defoaming mechanism (1) and the second defoaming mechanism (2), described first defoaming mechanism (1) comprises Debubbling tank (11), first motor (12), the top of described Debubbling tank (11) is provided with feeding-passage (13), the bottom of described Debubbling tank (11) is provided with discharging opening (14), described first motor (12) is located at Debubbling tank (11) top, the output shaft of described first motor (12) is connected with power transmission shaft (3), described power transmission shaft (3) is provided with butterfly deaeration dish (4), outer tank (5) is arranged with outside described Debubbling tank (11), the inner chamber (6) being used for accommodating temperature control water is formed between described Debubbling tank (11) and outer tank (5), described second defoaming mechanism (2) comprises cylindrical shell (21), second motor (22) and rotary drum (23), the bottom barrel of described cylindrical shell (21) is provided with feed pipe (24), the top barrel of described cylindrical shell (21) is provided with discharge nozzle (25), on the barrel of cylindrical shell (21), rotary seal is provided with main shaft (26), the end of described main shaft (26) installs the second motor (22), the main shaft (26) being positioned at cylindrical shell (21) is fixedly connected with rotary drum (23), described feed pipe (24) stretches in rotary drum (23), and the discharge end of feed pipe (24) is arranged on rotary drum (23) inner wall position corresponding to the axis that is positioned at main shaft (26), discharge nozzle (25) stretches in rotary drum (23), and the feed end of discharge nozzle (25) is arranged on and is positioned at rotary drum (23) inside top position, the discharging opening (14) of described Debubbling tank (11) is by the feed pipe (24) of fluid-conveying pipe (7) connector drum (21), described Debubbling tank (11) and cylindrical shell (21) are equipped with suction interface (8).
2. defoamer according to claim 1, it is characterized in that, described outer tank (5) offers respectively water inlet (51) and delivery port (52), described water inlet (51) and delivery port (52) are respectively arranged with the temperature probe detecting water flow temperature, and described temperature probe is electrically connected with the flow regulator of temperature control water respectively.
3. defoamer according to claim 2, is characterized in that, described butterfly deaeration dish (4) is 15 ~ 40 degree of conical disc and conical disc outer is along the circumferential direction parallel is provided with some spiral grooves (41).
4. defoamer according to claim 3, is characterized in that, the discharge end of described feed pipe (24) is provided with conically flow directing nozzles (27).
5. defoamer according to claim 4, is characterized in that, described Debubbling tank (11) and cylindrical shell (21) are all provided with pressure monitoring table (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906689.9A CN105396331A (en) | 2015-12-09 | 2015-12-09 | A defoaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906689.9A CN105396331A (en) | 2015-12-09 | 2015-12-09 | A defoaming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105396331A true CN105396331A (en) | 2016-03-16 |
Family
ID=55462288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510906689.9A Pending CN105396331A (en) | 2015-12-09 | 2015-12-09 | A defoaming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105396331A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108721948A (en) * | 2018-06-08 | 2018-11-02 | 常熟国和新材料有限公司 | A kind of ink resin deaeration machine |
| CN112791452A (en) * | 2021-01-19 | 2021-05-14 | 绵阳世诺科技有限公司 | Vacuum partition flat disc type continuous defoaming machine |
| CN112807752A (en) * | 2021-01-19 | 2021-05-18 | 绵阳世诺科技有限公司 | Continuous defoaming machine for vacuum repeated rotary distribution discharging |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11319410A (en) * | 1998-05-13 | 1999-11-24 | Tosei Denki Kk | Deaerator |
| JP3627220B1 (en) * | 2003-10-29 | 2005-03-09 | 株式会社アイ・ケイ・エス | Method and apparatus for stirring and defoaming solvents, etc. |
| CN101797449A (en) * | 2010-03-30 | 2010-08-11 | 江苏天明机械集团有限公司 | Combined vacuum defoaming device |
| CN102125772A (en) * | 2010-12-30 | 2011-07-20 | 天津开发区利达科技发展有限公司 | Degasser |
| CN202315431U (en) * | 2011-11-16 | 2012-07-11 | 辽宁富一机械有限公司 | Combined defoamer for Chinese medicine extraction |
| CN202876445U (en) * | 2012-10-09 | 2013-04-17 | 边浩光 | Continuous vacuum defoamation machine |
| CN103418167A (en) * | 2012-05-16 | 2013-12-04 | 浙江万好万家机械有限公司 | Vacuum deaeration machine for lithium battery liquid slurry |
| CN103480183A (en) * | 2013-09-17 | 2014-01-01 | 深圳市基泰智能设备有限公司 | Sizing agent defoaming mechanism |
| CN104941493A (en) * | 2015-06-02 | 2015-09-30 | 西安理工大学 | Efficient defoaming solvent-free composite mixing unit cylinder |
| CN205182267U (en) * | 2015-12-09 | 2016-04-27 | 江阴乐圩光电股份有限公司 | Defoamer |
-
2015
- 2015-12-09 CN CN201510906689.9A patent/CN105396331A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11319410A (en) * | 1998-05-13 | 1999-11-24 | Tosei Denki Kk | Deaerator |
| JP3627220B1 (en) * | 2003-10-29 | 2005-03-09 | 株式会社アイ・ケイ・エス | Method and apparatus for stirring and defoaming solvents, etc. |
| CN101797449A (en) * | 2010-03-30 | 2010-08-11 | 江苏天明机械集团有限公司 | Combined vacuum defoaming device |
| CN102125772A (en) * | 2010-12-30 | 2011-07-20 | 天津开发区利达科技发展有限公司 | Degasser |
| CN202315431U (en) * | 2011-11-16 | 2012-07-11 | 辽宁富一机械有限公司 | Combined defoamer for Chinese medicine extraction |
| CN103418167A (en) * | 2012-05-16 | 2013-12-04 | 浙江万好万家机械有限公司 | Vacuum deaeration machine for lithium battery liquid slurry |
| CN202876445U (en) * | 2012-10-09 | 2013-04-17 | 边浩光 | Continuous vacuum defoamation machine |
| CN103480183A (en) * | 2013-09-17 | 2014-01-01 | 深圳市基泰智能设备有限公司 | Sizing agent defoaming mechanism |
| CN104941493A (en) * | 2015-06-02 | 2015-09-30 | 西安理工大学 | Efficient defoaming solvent-free composite mixing unit cylinder |
| CN205182267U (en) * | 2015-12-09 | 2016-04-27 | 江阴乐圩光电股份有限公司 | Defoamer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108721948A (en) * | 2018-06-08 | 2018-11-02 | 常熟国和新材料有限公司 | A kind of ink resin deaeration machine |
| CN112791452A (en) * | 2021-01-19 | 2021-05-14 | 绵阳世诺科技有限公司 | Vacuum partition flat disc type continuous defoaming machine |
| CN112807752A (en) * | 2021-01-19 | 2021-05-18 | 绵阳世诺科技有限公司 | Continuous defoaming machine for vacuum repeated rotary distribution discharging |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105396331A (en) | A defoaming machine | |
| BRPI1007246B1 (en) | APPLIANCE FOR MATERIAL TREATMENT AND METHOD OF OPERATING THE APPLIANCE | |
| CN103480183B (en) | Sizing agent defoaming mechanism | |
| CN205182267U (en) | Defoamer | |
| CN202876445U (en) | Continuous vacuum defoamation machine | |
| CN105386353A (en) | Paper pulp bleaching equipment use method | |
| CN103418167A (en) | Vacuum deaeration machine for lithium battery liquid slurry | |
| CN105413249A (en) | Two-cylinder vacuum defoaming machine | |
| CN105498984B (en) | One kind can automatic scraping slag supercentrifuge and its working method | |
| CN108854608B (en) | Nitrogen-sealed polymer dispersing and dissolving device and method for preparing polymer mother liquor by using same | |
| CN205164202U (en) | Vertical deaeration machine | |
| CN105396332A (en) | A vertical defoaming machine | |
| WO2019179450A1 (en) | Rotary drum pulper and water addition method therefor | |
| CN203525373U (en) | Slurry defoaming mechanism | |
| CN205164203U (en) | Binocular vacuum defoamation machine | |
| CN205182268U (en) | Thick liquids vacuum defoamation machine | |
| CN105396333A (en) | A vacuum defoaming machine for slurry | |
| CN104929985A (en) | Preposed degassing centrifugal pump | |
| CN209066187U (en) | A kind of paper grade (stock) high efficiency slag remover | |
| CN209555651U (en) | Tower top discharger for middle concentration paper pulp ozone bleaching reactor | |
| CN106669233A (en) | Water-based paint antifoaming equipment | |
| CN207347820U (en) | A kind of emission reduction type hydrabrusher | |
| CN104525391A (en) | Horizontal centrifuge preventing feed from flowing backwards | |
| WO2020034177A1 (en) | Cleaning apparatus for machining drill bit | |
| CN105195339B (en) | A kind of closed centrifugal machine exhaust apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160316 |
|
| WD01 | Invention patent application deemed withdrawn after publication |