CN102755961A - Dry type plastic sorting technology - Google Patents
Dry type plastic sorting technology Download PDFInfo
- Publication number
- CN102755961A CN102755961A CN2012102349963A CN201210234996A CN102755961A CN 102755961 A CN102755961 A CN 102755961A CN 2012102349963 A CN2012102349963 A CN 2012102349963A CN 201210234996 A CN201210234996 A CN 201210234996A CN 102755961 A CN102755961 A CN 102755961A
- Authority
- CN
- China
- Prior art keywords
- waste material
- fines
- plastics
- dry
- vibrating screen
- 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.)
- Granted
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a dry type plastic sorting technology. According to the technology, waste is separated from a plurality of plastic-containing wastes which are produced in daily production and daily life. The technology comprises the steps of separating waste, refining, drying, loosing, sieving and winnowing. According to the technology, water is nearly not used in the whole process of separating, thus the working efficiency can be improved, and the separated plastic can be directly used for making plastic products, so that the plastic can be served as a resource for being utilized again, and the environmental pollution caused by directly discarding the plastic can be avoided, and the strategy of sustainable development can be met, and superior economic benefit and social benefit can be achieved.
Description
Technical field
The present invention relates to a kind of plastic sorting process, particularly relate to a kind of plastics dry-type separation technology.
Background technology
The annual waste material that contains plastics that produces of China causes serious pollution in ten million ton to living environment and natural environment, and at present, there is following approach in China to the processing of the waste material that contains waste plastics, and the one, burn, the 2nd, landfill, the 3rd, sorting is regenerated.
Burn, burn the waste material that contains waste plastics, its harmful flue dust is fatal to the pollution of atmosphere, and country prohibites burning.
Landfill, the waste material that contains waste plastics is embedded in underground, and natural decomposition took more than 100 years, in decomposable process, also can produce harmful substance, polluted source and soil.
Sorting regeneration is through coming out the separating plastic in the waste material waste plastics recycling utilization to sorting out then; Whole process can not produce pernicious gas; Environmental pollution is minimum, is the better method of treatment of waste plastics, and artificial separation or mechanical sorting are generally adopted in waste plastics sorting at present; Artificial separation is wasted time and energy, inefficiency; Mechanical sorting mainly adopts wet cleaning process, promptly inserts screw feeder in the water to waste plastics, utilizes law of buoyancy; Waste plastics is separated with other waste material, then the plastics of keeping afloat are salvaged, realize that waste plastics separates with other waste material; This sorting mode one is that sorting is not thorough, still residual a large amount of waste plastics in the waste material of abandonment, and the 2nd, this sorting needs the water of labor; Need to handle, handle badly, can pollute the water source to waste water.
Therefore, be necessary to find and from waste material, sort out modification method to plastics.
Summary of the invention
Technical problem to be solved by this invention is: mechanical sorting, water can not realized from the waste material that contains plastics, separating plastics.
--drying--loose--screening---selection by winnowing that for solving the problems of the technologies described above, the technical scheme that the present invention adopted comprises following five steps: will contain the waste material refinement of plastics;
Refinement: waste material is sent into shearing equipment shear, cut into sheet waste material fines less than the 20*20 millimeter;
Dry: as the waste material fines of shearing to be sent into the cylinder drying machine drying, the wind that is not less than the 50-80 degree is sent in the cylindrical drier, remove the moisture content in the waste material fines;
Loose: as dry waste material fines to be broken up with machinery, made the waste material fines loose;
Screening: loose waste material fines is sent into the vibrating screen classifier screening, and other waste material fines that makes proportion be different from the plastics fines separates with the plastics fines;
Selection by winnowing: the waste material fines that filters out is sent into the winnowing machine selection by winnowing, the plastics fines is separated with other waste material fines;
Realized from waste material, separating plastics through above step.
Preferred embodiment, the machinery that thinning process uses is cutter, sheet waste material fines size is less than the 10*10 millimeter; The machinery that dry run is used is cylindrical drier, air-heater; Cylindrical drier links to each other through ventilation duct with air-heater; Ventilation duct one end is communicated with the air-heater discharge pipe; Ventilation duct other end Shen is gone in the cylindrical drier, and the optimum temperature of sending into cylindrical drier wind in the dry run is a 50-80 Cuo Shi degree; The machinery that loose process is used is as disintegrating machine or stir the machine of closing; At least use a vibrating screen classifier in the screening process; Vibrating screen classifier length is greater than 3-5 millimeters of 4 meters, the aperture of 2-8 hertz of vibration frequencies, 4-8 millimeters of vibration amplitudes, vibrating screen classifier screen cloth; Be fixed with stock guide on the vibrating screen classifier screen cloth; Said stock guide is perpendicular to the vibrating screen classifier screen cloth, and stock guide is the 6-12 millimeter perpendicular to the screen cloth height, and the direction that stock guide and waste material fines advance has angle; Selection by winnowing process winnowing machine adopts vane type exhaust blower, its wind speed 3-10 meter per seconds, 50-200 cubic metres/minutes of air quantity.
Say that further angle is that 45 degree to 89 degree or 91 are spent to 135 degree.
All right, 3-5 millimeters in the aperture of 5 meters of vibrating screen classifier length, 3-5 hertz of vibration frequencies, 6-8 millimeters of vibration amplitudes, vibrating screen classifier screen cloth is fixed to rare two stock guides on the vibrating screen classifier screen cloth.
All right, vibrating screen classifier is two.
Plastics dry-type separation technology of the present invention; No matter be in rubbish, the industrial waste; Between most of plastics or most of plastics closely sweep along, twine, be sticked together with other waste material, be difficult for separately, can not be directly through screen, selection by winnowing separate plastics with other waste material.With the waste material refinement, waste material is sheared through shearing equipment, cuts into the sheet fines less than the 20*20 millimeter, separates plastics that twine, sweep along, are sticked together or plastics with other waste material mixture, and plastics and other waste material carry out initial gross separation; Waste material in rubbish, the industrial waste generally contains moisture content, through the waste material of refinement, though removed a part of moisture content; But a part of moisture content is still adhered on waste material fines itself and surface, because the existence of moisture content not only makes plastics not separate with other waste material, has also changed the proportion of various waste materials simultaneously; Screening and selection by winnowing efficient are reduced, be admitted to drying in the drying machine less than the waste material fines of 20*20 millimeter, the fines volume is little; Drying efficiency is high; The hot blast of logical 50-80 degree has further improved dry efficient in the process of drying, after dry fines dehydration, recovers the ortho states of waste material fines; Refinement has been satisfied the requirement of sieving basically with dry waste material fines; But still have a spot of waste material fines to be sticked together; Loose through waste material being carried out fines; Make between the plastics fines and the plastics fines further separates with other waste material fines, in loose process, can remove the grains of sand, grogs, fiber grain in the waste material fines part; Send waste material fines into vibrating screen classifier carry out vibrosieve, in vibrosieve process after handling the early stage in first three step; Effect lower leaf, separation that the waste material fines is vibrating because of the difference of proportion, volume; Waste material fines volume can fall screen cloth through the hole less than the vibrating screen classifier sieve screen apertures under the effect of vibration and gravity, waste material fines volume is greater than the vibrating screen classifier sieve screen apertures; Meeting vertical and horizontal movement under the effect of vibration with respect to screen plane; The every vibration of heavy waste material fines once vertical with horizontal movement apart from weak point, the little every vibration of waste material fines of proportion once vertically and the horizontal movement distance, the screen cloth of vibrating screen classifier is provided with vertical height 6-12 millimeter stock guide; Vertical and the horizontal movement of heavy waste material fines can't be crossed stock guide apart from weak point and moved on and can only move along stock guide; Vertical and the horizontal movement distance of the waste material fines that proportion is little can be crossed stock guide and continue to advance along screen cloth, through vibrosieve, the proportion waste material fines bigger than plastics fines is separated from the waste material fines; Main metal, the stone of removing in the waste material, the while is further removed the grains of sand, grogs, the fiber grain of waste material fines; Waste material fines through vibrosieve mainly comprises paper fines, wooden fines, plastics fines, and it is sent into the winnowing machine selection by winnowing, utilizes gravity and principle of inertia; The waste material fines can obtain a thrust under wind action, volume roughly the same (the waste material fines after refinement, drying, loose, screening generally can think roughly the same between 20 to 8 millimeters), and the proportion difference will obtain different initial velocity; Heavy, inertia is big, and initial velocity is little; The inertia that proportion is little is little, and initial velocity is big.Inertia is big; The little fines horizontal movement of initial velocity is apart from weak point; Inertia is little, and the material horizontal movement distance that initial velocity is big is because the reason of self gravitation; The plastics fines can drop on different places with other waste material fines (mainly comprising paper fines, wooden fines) that proportion is different from the plastics fines, thereby realized separating of plastics fines and other waste material fines.
Description of drawings
Fig. 1 is a plastics dry-type separation process schematic representation of the present invention;
Fig. 2 is a vibrating screen classifier stock guide sketch map of the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is another sketch map of vibrating screen classifier stock guide of the present invention;
Fig. 5 is the A-A sectional view of Fig. 4.
The specific embodiment
In conjunction with Fig. 1, Fig. 2, Fig. 3, the machinery that refinement 1 process is used is cutter; The machinery that dry 2 processes are used is cylindrical drier, air-heater, and cylindrical drier links to each other through ventilation duct with air-heater, and ventilation duct one end is communicated with the air-heater discharge pipe, and ventilation duct other end Shen is gone in the cylindrical drier; The machinery that loose 3 processes are used is for stirring the machine of closing; Sieve vibrating screen classifier 4a length used in 4 processes greater than 3-5 millimeters of 4 meters, the aperture of 2-8 hertz of vibration frequencies, 4-8 millimeters of vibration amplitudes, vibrating screen classifier 4a screen cloth 4a1; Be fixed with stock guide 4a2 on the vibrating screen classifier 4a screen cloth 4a1; Stock guide 4a2 is perpendicular to vibrating screen classifier screen cloth 4a1; Stock guide 4a2 vertical height is the 6-12 millimeter, and the direction that stock guide 4a2 and waste material fines advance has angle; Selection by winnowing 5 processes are used and are adopted the vane type exhaust blower, and its wind speed, air quantity can be adjusted, its wind speed 3-10 meter per seconds, 50-200 cubic metres/minutes of air quantity.
In conjunction with Fig. 1, Fig. 4, Fig. 5, the machinery that refinement 1 process is used is cutter; The machinery that dry 2 processes are used is cylindrical drier, air-heater, and cylindrical drier links to each other through ventilation duct with air-heater, and ventilation duct one end is communicated with the air-heater discharge pipe, and ventilation duct other end Shen is gone in the cylindrical drier; The machinery that loose 3 processes are used is for stirring the machine of closing; Sieving vibrating screen classifier 4a used in 4 processes is two; Every vibrating screen classifier 4a length is 3-5 millimeters of 5 meters, the aperture of 3-5 hertz of vibration frequencies, 6-8 millimeters of vibration amplitudes, vibrating screen classifier 4a screen cloth 4a1; Be fixed with two stock guide 4a2 on the vibrating screen classifier 4a screen cloth 4a1, stock guide 4a2 is perpendicular to vibrating screen classifier 4a screen cloth 4a1, stock guide 4a2 vertical height 6-12 millimeter; Angle is 45 degree to 89 degree or 91 degree to 135 degree: selection by winnowing 5 processes are used and are adopted the vane type exhaust blower; Its wind speed, air quantity can be adjusted, its wind speed 3-10 meter per seconds, 50-200 cubic metres/minutes of air quantity.
Operation principle: rubbish, industrial waste waste material are sent into the cutter refinement; Cut into fines to waste material less than the 10*10 millimeter; The fines that make winding, the bulk waste material mixture of sweeping along, be sticked together becomes a fritter one fritter; Realize that under the effect of shearing force plastics and other waste material carry out initial gross separation, but some waste material twines, sweeps along, is sticked together; Waste material in rubbish, the industrial waste generally contains moisture content, through the waste material of refinement, in shear history, has removed a part of moisture content; But a part of moisture content is still adhered on waste material fines itself and surface, be admitted in the cylindrical drier less than the waste material fines of 10*10 millimeter dry, the wind of logical 50-80 degree in the dry process; Waste material fines volume is little; Drying efficiency is high, through the drying that dry fines further dewaters and becomes, recovers the ortho states of waste material fines; The machinery that loose 3 processes are used is for stirring the machine of closing; Refinement has been satisfied the requirement of sieving basically with dry waste material fines; But still have a spot of waste material fines to be sticked together; Loose 3 through stirring the machine of closing to the waste material fines, make between the plastics fines and the plastics fines further separates with other waste material fines, in loose 3 processes, can remove the grains of sand, grogs, fiber grain in the waste material fines part; After handling the early stage in first three step; The waste material fines is sent into vibrating screen classifier 4a sieve 4; Sieve in 4 processes, the waste material fines produces layering, separation because of the difference of proportion, volume under the vibration effect, and waste material fines volume is less than the diameter in vibrating screen classifier 4a screen cloth 4a1 hole; Under the effect of vibration and gravity, can fall screen cloth 4a1 through the hole; Waste material fines volume is greater than the hole of vibrating screen classifier 4a screen cloth 4a1, down can vertical and horizontal movement in the effect of vibration with respect to screen cloth 4a1 plane, and the every vibration of the heavy waste material fines distance that once moves both vertically is shorter than 6 millimeters, horizontal movement apart from being shorter than 5 millimeters; Every vibration of the little waste material fines of proportion once move both vertically distance greater than 6 millimeters, horizontal movement distance greater than 5 millimeters; Particularly the vertical distance with horizontal movement of the each vibration of plastics fines is farther in the waste material fines, and the screen cloth of vibrating screen classifier is provided with vertical height 6-12 millimeter stock guide 4a2, heavy waste material fines vertically and horizontal movement can't cross stock guide 4a2 apart from weak point and move on and can only move along stock guide 4a2; Vertical and the horizontal movement distance of the waste material fines that proportion is little can be crossed stock guide 4a2 and continue to advance along screen cloth 4a1; Through screening 4, the proportion waste material fines bigger than plastics fines separated from the waste material fines, mainly remove metal, stone in the waste material; Further remove simultaneously the grains of sand, grogs, the fiber grain of waste material fines, the waste material fines of process screening 4 mainly comprises paper fines, wooden fines, plastics fines; Selection by winnowing 5 lets fall through waste material fines the place ahead from the vane type exhaust blower of screening, and the waste material fines can obtain a thrust under wind action; Volume roughly the same (the waste material fines after refinement, drying, loose, screening generally can think roughly the same between 10 to 8 millimeters), the proportion difference will obtain different initial velocity, and is heavy; Inertia is big; Initial velocity is little, and the inertia that proportion is little is little, and initial velocity is big.Inertia is big, and the little fines horizontal movement of initial velocity is apart from weak point, and inertia is little; The material horizontal movement distance that initial velocity is big; Because the reason of self gravitation, the plastics fines can drop on different places with other waste material fines (mainly comprising paper fines, wooden fines) that proportion is different from the plastics fines, thereby has realized separating of plastics fines and other waste material fines; The air quantity of vane type exhaust blower and wind speed can be adjusted as required in sorting 5 processes, are blown into the plastics fines in the zone of appointment.
In screening 4 processes, increase a vibrating screen classifier 4a, further increased screening 4 effects, guarantee that the fines size is consistent after screening 4.
Claims (10)
1. a plastics dry-type separation technology is characterized in that may further comprise the steps: first step refinement; Second step is dry; The 3rd step is loose; The screening of the 4th step; The 5th step selection by winnowing;
Refinement: waste material is sent into shearing equipment shear, cut into less than 20*20 bar shaped waste material fines;
Dry: as the waste material fines of shearing to be sent into the cylinder drying machine drying, will send in the cylindrical drier, remove the moisture content in the waste material fines greater than the wind of 50-80 degree;
Loose: as dry waste material fines to be broken up with machinery, made the waste material fines loose;
Screening: loose waste material fines is sent into the vibrating screen classifier screening, and other waste material fines that makes proportion be different from the plastics fines separates with the plastics fines;
Selection by winnowing: the waste material fines that filters out is sent into the winnowing machine selection by winnowing, the plastics fines is separated with other waste material fines;
Realized from waste material, separating plastics through above step.
2. a kind of plastics dry-type separation technology according to claim 1 is characterized in that: said bar shaped waste material fines optimum size is less than 10*10 millimeter waste material fines.
3. according to the described a kind of plastics dry-type separation technology of one of claim 1-2, it is characterized in that: the machinery that said thinning process uses is cutter.
4. according to the described a kind of plastics dry-type separation technology of one of claim 1-2; It is characterized in that: the machinery that said dry run is used is cylindrical drier, air-heater; Described cylindrical drier links to each other through ventilation duct with air-heater; Ventilation duct one end is communicated with the air-heater discharge pipe, and ventilation duct other end Shen is gone in the cylindrical drier.
5. according to the described a kind of plastics dry-type separation technology of one of claim 1-2, it is characterized in that: the machinery that said loose process is used is as disintegrating machine or stir the machine of closing.
6. according to the described a kind of plastics dry-type separation technology of one of claim 1-2; It is characterized in that: use a vibrating screen classifier in the said screening process at least; Said vibrating screen classifier length is greater than 3-5 millimeters of 4 meters, the aperture of 2-8 hertz of vibration frequencies, 4-8 millimeters of vibration amplitudes, vibrating screen classifier screen cloth; Be fixed with stock guide on the vibrating screen classifier screen cloth; Said stock guide is perpendicular to the vibrating screen classifier screen cloth, and stock guide is the 6-12 millimeter perpendicular to the screen cloth height, and the direction that said stock guide and waste material fines advance has angle.
7. a kind of plastics dry-type separation technology according to claim 7; It is characterized in that: 3-5 millimeters in the aperture of 5 meters of said vibrating screen classifier length, 3-5 hertz of vibration frequencies, 6-8 millimeters of vibration amplitudes, vibrating screen classifier screen cloth is fixed to rare two stock guides on the vibrating screen classifier screen cloth.
8. a kind of plastics dry-type separation technology according to claim 7 is characterized in that: described angle is that 45 degree to 89 degree or 91 are spent to 135 degree.
9. a kind of plastics dry-type separation technology according to claim 7, it is characterized in that: said vibrating screen classifier is two.
10. a kind of plastics dry-type separation technology according to claim 1 is characterized in that: said selection by winnowing process winnowing machine adopts vane type exhaust blower, its wind speed 3-10 meter per seconds, 50-200 cubic metres/minutes of air quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234996.3A CN102755961B (en) | 2012-07-09 | 2012-07-09 | Dry type plastic sorting technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234996.3A CN102755961B (en) | 2012-07-09 | 2012-07-09 | Dry type plastic sorting technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102755961A true CN102755961A (en) | 2012-10-31 |
| CN102755961B CN102755961B (en) | 2014-10-08 |
Family
ID=47050748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210234996.3A Expired - Fee Related CN102755961B (en) | 2012-07-09 | 2012-07-09 | Dry type plastic sorting technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102755961B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785670A (en) * | 2014-01-27 | 2014-05-14 | 浙江永泰纸业集团股份有限公司 | Method for harmless treatment of waste residue in paper making |
| CN107008732A (en) * | 2017-05-09 | 2017-08-04 | 绿色动力环保集团股份有限公司 | A kind of garbage pool with refuse classification function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1173155A (en) * | 1995-01-05 | 1998-02-11 | 德国“绿点”废料防止及回收股份有限公司 | Dietmar Guschall, Meiner Guschall, A. Helmerth, et al. (DE) |
| CN1772453A (en) * | 2004-11-12 | 2006-05-17 | 杰富意钢铁株式会社 | Mixed waste plastic separating method and apparatus thereof |
| CN101274322A (en) * | 2007-03-30 | 2008-10-01 | 杨计明 | Method for sorting consumer waste |
-
2012
- 2012-07-09 CN CN201210234996.3A patent/CN102755961B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1173155A (en) * | 1995-01-05 | 1998-02-11 | 德国“绿点”废料防止及回收股份有限公司 | Dietmar Guschall, Meiner Guschall, A. Helmerth, et al. (DE) |
| CN1772453A (en) * | 2004-11-12 | 2006-05-17 | 杰富意钢铁株式会社 | Mixed waste plastic separating method and apparatus thereof |
| CN101274322A (en) * | 2007-03-30 | 2008-10-01 | 杨计明 | Method for sorting consumer waste |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785670A (en) * | 2014-01-27 | 2014-05-14 | 浙江永泰纸业集团股份有限公司 | Method for harmless treatment of waste residue in paper making |
| CN107008732A (en) * | 2017-05-09 | 2017-08-04 | 绿色动力环保集团股份有限公司 | A kind of garbage pool with refuse classification function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102755961B (en) | 2014-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109530231B (en) | Solid waste separation treatment device and solid waste comprehensive treatment method | |
| CN101070500B (en) | Method for producing environment-protective garbage derivatived fuel and apparatus | |
| CN101823019B (en) | Air separation device and method of garbage | |
| KR101473961B1 (en) | Selected from the landfill of combustible fuel manufacturing high-purity method and device | |
| CN100434198C (en) | Domestic garbage processing process | |
| CN100469547C (en) | City domestic refuse plastic sorting process and device | |
| CN107597383A (en) | A kind of building waste processing equipment | |
| KR20130138626A (en) | The foreign material sorting apparatus which is contained in construction waste | |
| CN108311519A (en) | A kind of decoration building waste sorting sorting technique and system | |
| CN111871494B (en) | Reinforced concrete waste treatment device | |
| CN219377406U (en) | Broken separation line of wind-powered electricity generation blade | |
| CN203598927U (en) | Horizontal household garbage winnowing device | |
| AU2013385726A1 (en) | Dry separation apparatus and dry separation method | |
| CN1212638A (en) | Process and facility for treating and sorting recyclable waste materials | |
| CN204294325U (en) | Construction waste crushing screening production line | |
| CN102755961B (en) | Dry type plastic sorting technology | |
| CN110197932A (en) | The method and apparatus of household old and useless battery environmental protection forcible entry resource reutilization | |
| CN204220604U (en) | Cities and towns composting dry type Automated fine screening installation | |
| CN104289502A (en) | Garbage disposal and utilization equipment and method | |
| KR20110106064A (en) | Method to manufacture refuse derived fuel of waste and apparatus thereof | |
| CN104492703A (en) | Winnowing device for garbage classification | |
| CN207592419U (en) | A kind of building waste specification processing system | |
| CN208627384U (en) | A kind of contaminant removal equipment of building waste | |
| CN207238207U (en) | A kind of highway bridge concrete waste material processing device | |
| CN202427705U (en) | Processing and treating system for solid construction wastes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20121031 Assignee: HUBEI SHUIZHIYI TECHNOLOGY CO., LTD. Assignor: Wang Jiesheng Contract record no.: 2015420000122 Denomination of invention: Dry type plastic sorting technology Granted publication date: 20141008 License type: Exclusive License Record date: 20150701 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20200709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |