CN210233614U - Color masterbatch dehydration drying sorting unit - Google Patents
Color masterbatch dehydration drying sorting unit Download PDFInfo
- Publication number
- CN210233614U CN210233614U CN201920457797.6U CN201920457797U CN210233614U CN 210233614 U CN210233614 U CN 210233614U CN 201920457797 U CN201920457797 U CN 201920457797U CN 210233614 U CN210233614 U CN 210233614U
- Authority
- CN
- China
- Prior art keywords
- box body
- side wall
- fixedly arranged
- drum screen
- 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.)
- Expired - Fee Related
Links
- 239000004595 color masterbatch Substances 0.000 title claims abstract description 30
- 238000001035 drying Methods 0.000 title claims abstract description 19
- 230000018044 dehydration Effects 0.000 title claims abstract description 11
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 6
- 239000004594 Masterbatch (MB) Substances 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
A color masterbatch dehydration drying sorting device relates to the technical field of color masterbatch production equipment, wherein a drum screen is arranged on the upper side inside a box body; a plurality of guide shifting pieces are fixedly and crossly arranged inside the drum screen; a material guide groove is fixedly arranged on the left side wall of the box body; a driving gear is fixedly arranged on the output end of the speed reducer; a rack is fixedly arranged on the outer side wall of the right end of the drum screen, and the bottom of the driving gear penetrates through the top of the box body and is meshed with the rack; a collecting tank is movably inserted into an opening on the front side wall of the box body on the lower side of the drum screen; the fixed cover of opening rear side on the lateral wall is equipped with the protection casing behind the box, and the middle part of protection casing rear side is fixed to be inlayed and is equipped with the air-blower, can carry out abundant drying with the masterbatch, can sieve same batch masterbatch according to the size of its particle diameter simultaneously, and dehydration drying and sorting adopt go on simultaneously, and the holistic continuity of device is than better, has improved the machining efficiency of device greatly.
Description
Technical Field
The utility model relates to a color masterbatch production facility technical field, concretely relates to color masterbatch dehydration sorting unit.
Background
The color master batch is also called as a color species and is a novel special coloring agent for high polymer materials, also called as a pigment preparation, the color master batch consists of three basic elements, namely a pigment or a dye, a carrier and an additive, and due to the limitation of process requirements and equipment conditions, the color master batch needs to pass through a cooling system in the color master granulation process, the cooling system usually uses water to cool the color master batch, and the color master batch after water cooling contains more water; since too high a water content seriously affects the properties of the masterbatch and its use, the masterbatch must be dried thoroughly before use. After the color master batches are dried, in order to ensure the uniformity of the particle sizes of the color master batches in the same batch, the color master batches are further required to be screened; the existing color masterbatch is dried and screened separately, the continuity of the method is poor, the processing efficiency is low, the processing period is long, and improvement is needed urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's masterbatch dehydration drying sorting unit can carry out abundant drying with the masterbatch, can sieve same batch masterbatch according to the size of its particle diameter simultaneously, and dehydration drying and sorting adopt go on simultaneously, and the holistic continuity of device is than better, has improved the machining efficiency of device greatly.
In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a box body, a feed hopper and a right-angle feed pipe; the box body is of a hollow structure with an opening at the bottom of the front side wall and an opening at the upper part of the rear side wall, a right-angle feeding pipe is fixedly arranged at the upper part of the right side wall of the box body, a feeding hopper is fixedly arranged at the upper end of the right-angle feeding pipe, and the right-angle feeding pipe is communicated with the inside of the box body;
the device also comprises a drum screen, a collecting tank, a guide shifting sheet, a guide chute, a driving motor, a speed reducer, a driving gear, a rack, a protective cover and a blower; a rotary screen is arranged on the upper side inside the box body, the left side and the right side of the rotary screen are rotatably arranged on the left side wall and the right side wall of the box body through bearings, and the right-angle feeding pipe is communicated with the inside of the rotary screen; a plurality of guide shifting pieces are fixedly and crossly arranged inside the drum screen; a guide chute is fixedly arranged on the left side wall of the box body, a discharge port is fixedly formed in the left side wall of the box body at the left end of the drum screen, and the guide chute is communicated with the interior of the drum screen through the discharge port; a driving motor is fixedly arranged on the right side of the top of the box body through a motor support, a speed reducer is fixedly connected to the output end of the driving motor, a driving gear is fixedly arranged on the output end of the speed reducer, and the bottom of the driving gear is movably inserted into the top of the box body; a rack is fixedly arranged on the outer side wall of the right end of the drum screen, and the bottom of the driving gear penetrates through the top of the box body and is meshed with the rack; an electric cabinet is fixedly arranged on the front side wall of the box body, and a driving motor is connected with a power supply in the electric cabinet; a collecting tank is movably inserted into an opening on the front side wall of the box body on the lower side of the drum screen; the rear side of the opening on the rear side wall of the box body is fixedly covered with a protective cover, the middle part of the rear side of the protective cover is fixedly embedded with an air blower, the output end of the air blower is communicated with the inside of the protective cover, and the input end of the air blower is communicated with the outside of the box body; the blower is connected with a power supply in the electric cabinet.
Furthermore, a temperature sensor is fixedly arranged on the left side wall inside the box body, a display of the temperature sensor is arranged on an operation panel of the electric cabinet, and the temperature sensor is connected with a power supply in the electric cabinet.
Furthermore, a handle is fixedly arranged on the front side wall of the collecting tank and extends to the front side of the box body.
Furthermore, the left side and the right side of the bottom of the collecting tank are symmetrically and fixedly provided with two sliding blocks, the left side and the right side of the bottom in the box body are symmetrically and fixedly provided with two sliding rails, and the sliding blocks are arranged on the corresponding sliding rails in a sliding manner.
Furthermore, heating pipes are fixedly arranged on four side walls inside the protective cover, and the heating pipes are connected with a power supply in the electric cabinet.
Furthermore, a protection screen plate is fixedly arranged on the front side inside the protection cover, four edges of the protection screen plate are fixedly connected with the inner side wall of the protection cover, and the anti-skidding screen plate is arranged on the front side of the heating pipe.
After the structure is adopted, the utility model discloses beneficial effect does: a masterbatch dehydration drying sorting unit, can carry out abundant drying with the masterbatch, can sieve same batch masterbatch according to the size of its particle diameter simultaneously, dehydration drying and sorting adopt go on simultaneously, the holistic continuity of device is than better, has improved the machining efficiency of device greatly, the utility model has the advantages of simple structure, it is reasonable to set up, the cost of manufacture low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the external structure of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a sectional view of a-a portion in fig. 3.
Description of reference numerals:
the device comprises a box body 1, a feed hopper 2, a right-angle feed pipe 3, a rotary screen 4, a guide chute 5, a driving motor 6, a speed reducer 7, a driving gear 8, a rack 9, an electric cabinet 10, a collecting tank 11, a protective cover 12, an air blower 13, a temperature sensor 14, a handle 15, a sliding block 16, a sliding rail 17, a heating pipe 18, a protective screen plate 19 and a guide shifting piece 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: the device comprises a box body 1, a feed hopper 2 and a right-angle feed pipe 3; the box body 1 is of a hollow structure with an opening at the bottom of the front side wall and an opening at the upper part of the rear side wall, a right-angle feeding pipe 3 is fixedly welded at the upper part of the right side wall of the box body 1, a feeding hopper 2 is fixedly welded at the upper end of the right-angle feeding pipe 3, and the right-angle feeding pipe 3 is communicated with the inside of the box body 1;
the device also comprises a drum screen 4, a collecting tank 11, a guide shifting sheet 20, a material guide groove 5, a driving motor 6, a speed reducer 7, a driving gear 8, a rack 9, a protective cover 12 and a blower 13; the upper side of the interior of the box body 1 is provided with a drum screen 4, the left side and the right side of the drum screen 4 are rotatably arranged on the left side wall and the right side wall of the box body 1 through bearings, so that the drum screen 4 can roll in the interior of the box body 1, and the right-angle feeding pipe 3 is communicated with the interior of the drum screen 4; a plurality of guide shifting pieces 20 are fixedly and crossly welded in the drum screen 4, and the structure and the principle of the guide shifting pieces 20 are the same as those of the discharging blades in a self-falling type reverse rotation discharging type stirrer in the prior art, so that the drum screen 4 is stirred when rotating forwards, and the drum screen 4 is discharged when rotating backwards; a guide chute 5 is fixedly welded on the left side wall of the box body 1, a discharge port is fixedly formed in the left side wall of the box body 1 at the left end of the drum screen 4, the guide chute 5 is communicated with the interior of the drum screen 4 through the discharge port, and the dried and sorted color master batches are discharged through the guide chute 5 and conveyed to the next process; a driving motor 6 is fixedly arranged on the right side of the top of the box body 1 through a motor support and bolts, the type of the driving motor 6 is 60KTYZ, a speed reducer 7 is fixedly connected to the output end of the driving motor 6, the speed reduction ratio of the speed reducer 7 is 10:1, a driving gear 8 is fixedly welded to the output end of the speed reducer 7, and the bottom of the driving gear 8 is movably inserted into the top of the box body 1; a rack 9 is fixedly welded on the outer side wall of the right end of the drum screen 4, the bottom of the driving gear 8 penetrates through the top of the box body 1 and then is meshed with the rack 9, and when the driving motor 6 drives the driving gear 8 to rotate, the drum screen 4 can rotate in the box body 1 through the meshed state of the driving gear 8 and the rack 9 for screening; an electric cabinet 10 is fixedly arranged on the front side wall of the box body 1 through bolts, and a driving motor 6 is connected with a power supply in the electric cabinet 10; a collecting tank 11 is movably inserted into an opening on the front side wall of the box body 1 on the lower side of the drum screen 4; the rear side of an opening on the rear side wall of the box body 1 is fixedly welded and covered with a protective cover 12, the middle part of the rear side of the protective cover 12 is fixedly embedded with an air blower 13 through bolts, the type of the air blower 13 is Y5-47 small-sized air blower, the output end of the air blower 13 is communicated with the inside of the protective cover 12, the input end of the air blower 13 is communicated with the outside of the box body 1, and air cooling is adopted to dry the color master batches; the blower 13 is connected with a power supply in the electric cabinet 10.
Further, a temperature sensor 14 is fixedly arranged on the left side wall inside the box body 1 through bolts, the temperature sensor 14 adopts a thermometer with a temperature display and a probe in the prior art, the display of the temperature sensor 14 is arranged on an operation panel of the electric cabinet 10, and the temperature sensor 14 is connected with a power supply in the electric cabinet 10.
Further, fixed welding is equipped with handle 15 on the preceding lateral wall of collecting vat 11, handle 15 stretches to be established in the front side of box 1, conveniently drags collecting vat 11 out the inside of box 1 and unloads.
Furthermore, the left side and the right side of the bottom of the collecting tank 11 are symmetrically and fixedly welded with two sliding blocks 16, the left side and the right side of the bottom in the box body 1 are symmetrically and fixedly welded with two sliding rails 17, and the sliding blocks 16 are arranged on the corresponding sliding rails 17 in a sliding manner, so that the friction force between the inner bottom of the box body 1 and the collecting tank 11 is reduced.
Further, heating pipes 18 are fixedly arranged on four side walls inside the protective cover 12 through pipe clamps and bolts, the heating pipes 18 are heating pipes 18 in an oven in the prior art, and the heating pipes 18 are all connected with a power supply in the electric cabinet 10.
Furthermore, a protection screen plate 19 is fixedly welded on the front side inside the protection cover 12, four edges of the protection screen plate 19 are fixedly welded with the inner side wall of the protection cover 12, and the anti-skid screen plate is arranged on the front side of the heating pipe 18.
The working principle of the specific embodiment is as follows: the method comprises the following steps that chopped color master batches are conveyed to the inside of a feed hopper 2 through an external feeding mechanism, the color master batches are conveyed to the middle of a drum screen 4 through a right-angle feeding pipe 3, after feeding is finished, a driving motor 6 is opened through an electric cabinet 10, a speed reducer 7 driven by the driving motor 6 rotates, so that a driving gear 8 drives a rack 9 to rotate, the drum screen 4 rotates inside a box body 1, the color master batches rotate along with the drum screen 4, the color master batches which do not accord with particle size standards can fall from screen holes in the side wall of the drum screen 4, a collecting tank 11 collects the fallen color master batches, and when collecting is finished, a collecting tank 11 is directly dragged out through a handle 15 for treatment; then, the air blower 13 and the heating pipe 18 are opened, the air blower 13 continuously conveys the outside air to the inside of the box body 1, the air flow enters the inside of the drum screen 4 through the screen holes, the color master batches inside the drum screen 4 can be dried, and the heating pipe 18 can heat the air flow, so that the hot air flow further accelerates the drying speed.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the outside air is blown to the inside of the box body 1 through the blower 13, so that the color master batch can be fully dried;
2. the sieve mesh on the drum sieve 4 can be sieved the masterbatch of same batch according to the size of its particle diameter, and dehydration drying and sorting adopt and go on simultaneously, and the holistic continuity of device is than better, has improved the machining efficiency of device greatly.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A color masterbatch dehydration, drying and sorting device comprises a box body (1), a feed hopper (2) and a right-angle feed pipe (3); the box body (1) is of a hollow structure with an opening at the bottom of the front side wall and an opening at the upper part of the rear side wall, a right-angle feeding pipe (3) is fixedly arranged at the upper part of the right side wall of the box body (1), a feeding hopper (2) is fixedly arranged at the upper end of the right-angle feeding pipe (3), and the right-angle feeding pipe (3) is communicated with the inside of the box body (1);
the method is characterized in that: the device also comprises a rotary screen (4), a collecting tank (11), a guide shifting sheet (20), a material guide groove (5), a driving motor (6), a speed reducer (7), a driving gear (8), a rack (9), a protective cover (12) and a blower (13); a rotary screen (4) is arranged on the upper side of the interior of the box body (1), the left side and the right side of the rotary screen (4) are rotatably arranged on the left side wall and the right side wall of the box body (1) through bearings, and the right-angle feeding pipe (3) is communicated with the interior of the rotary screen (4); a plurality of guide shifting pieces (20) are fixedly and crossly arranged inside the drum screen (4); a guide chute (5) is fixedly arranged on the left side wall of the box body (1), a discharge port is fixedly arranged on the left side wall of the box body (1) at the left end of the drum screen (4), and the guide chute (5) is communicated with the interior of the drum screen (4) through the discharge port; a driving motor (6) is fixedly arranged on the right side of the top of the box body (1) through a motor support, a speed reducer (7) is fixedly connected to the output end of the driving motor (6), a driving gear (8) is fixedly arranged on the output end of the speed reducer (7), and the bottom of the driving gear (8) is movably inserted into the top of the box body (1); a rack (9) is fixedly arranged on the outer side wall of the right end of the drum screen (4), and the bottom of the driving gear (8) penetrates through the top of the box body (1) and then is meshed with the rack (9); an electric cabinet (10) is fixedly arranged on the front side wall of the box body (1), and a driving motor (6) is connected with a power supply in the electric cabinet (10); a collecting tank (11) is movably inserted into an opening on the front side wall of the box body (1) at the lower side of the drum screen (4); a protective cover (12) is fixedly covered on the rear side of an opening on the rear side wall of the box body (1), an air blower (13) is fixedly embedded in the middle of the rear side of the protective cover (12), the output end of the air blower (13) is communicated with the inside of the protective cover (12), and the input end of the air blower (13) is communicated with the outside of the box body (1); the blower (13) is connected with a power supply in the electric cabinet (10).
2. The color masterbatch dewatering, drying and sorting device according to claim 1, characterized in that: a temperature sensor (14) is fixedly arranged on the left side wall inside the box body (1), a display of the temperature sensor (14) is arranged on an operation panel of the electric cabinet (10), and the temperature sensor (14) is connected with a power supply inside the electric cabinet (10).
3. The color masterbatch dewatering, drying and sorting device according to claim 1, characterized in that: the collecting tank is characterized in that a handle (15) is fixedly arranged on the front side wall of the collecting tank (11), and the handle (15) extends to the front side of the tank body (1).
4. The color masterbatch dewatering, drying and sorting device according to claim 1, characterized in that: the left side and the right side of the bottom of the collecting tank (11) are symmetrically and fixedly provided with two sliding blocks (16), the left side and the right side of the bottom in the tank body (1) are symmetrically and fixedly provided with two sliding rails (17), and the sliding blocks (16) are arranged on the corresponding sliding rails (17) in a sliding manner.
5. The color masterbatch dewatering, drying and sorting device according to claim 1, characterized in that: heating pipes (18) are fixedly arranged on four side walls inside the protective cover (12), and the heating pipes (18) are connected with a power supply in the electric cabinet (10).
6. The color masterbatch dewatering, drying and sorting device according to claim 5, characterized in that: the front side of the interior of the protective cover (12) is fixedly provided with a protective screen (19), the four edges of the protective screen (19) are fixedly connected with the inner side wall of the protective cover (12), and the anti-skid screen is arranged on the front side of the heating pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457797.6U CN210233614U (en) | 2019-04-08 | 2019-04-08 | Color masterbatch dehydration drying sorting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457797.6U CN210233614U (en) | 2019-04-08 | 2019-04-08 | Color masterbatch dehydration drying sorting unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210233614U true CN210233614U (en) | 2020-04-03 |
Family
ID=69968250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457797.6U Expired - Fee Related CN210233614U (en) | 2019-04-08 | 2019-04-08 | Color masterbatch dehydration drying sorting unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210233614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112223585A (en) * | 2020-09-30 | 2021-01-15 | 安徽中鑫宏伟科技有限公司 | Broken material removing device for nylon heat insulation strip master batch production and working method thereof |
| CN113561362A (en) * | 2021-09-26 | 2021-10-29 | 江苏山高森新材料科技有限公司 | Drying device is used in masterbatch processing |
-
2019
- 2019-04-08 CN CN201920457797.6U patent/CN210233614U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112223585A (en) * | 2020-09-30 | 2021-01-15 | 安徽中鑫宏伟科技有限公司 | Broken material removing device for nylon heat insulation strip master batch production and working method thereof |
| CN113561362A (en) * | 2021-09-26 | 2021-10-29 | 江苏山高森新材料科技有限公司 | Drying device is used in masterbatch processing |
| CN113561362B (en) * | 2021-09-26 | 2021-12-10 | 江苏山高森新材料科技有限公司 | A drying device for masterbatch processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210233614U (en) | Color masterbatch dehydration drying sorting unit | |
| CN112794614B (en) | Sludge drying device | |
| CN219037455U (en) | Paddle dryer | |
| CN117190626A (en) | Uniform drying equipment for titanium dioxide powder | |
| CN212482035U (en) | Chlorinated polyethylene drying device | |
| CN212147105U (en) | A device for removing water and iron from plastic particles that is easy to maintain and use | |
| CN216115005U (en) | Circulating glutinous rice flour drying equipment | |
| CN220289160U (en) | Pretreatment equipment for detecting cation exchange capacity of soil | |
| CN214371334U (en) | Sedimentation tank residue drying device for calcium carbonate production | |
| CN117207394A (en) | Efficient filtering and screening device and screening method for PA plastic particle production | |
| CN106509943A (en) | Dust removal type dry fruit grading dryer | |
| CN217330612U (en) | Chamber chain type dryer for preparing carboxymethyl cellulose polyanionic cellulose | |
| CN215909629U (en) | Drying device for coking coal in coking industry | |
| CN204054333U (en) | A kind of ceramic pug mill | |
| CN213055482U (en) | Raw material processing device for electric scooter tire processing | |
| CN211562667U (en) | A high-efficiency energy-saving automatic mixer | |
| CN212978881U (en) | Raw materials rapid dehydration drying equipment is used in rubber and plastic goods production | |
| CN210314035U (en) | Device for preparing ceramsite by pyrolyzing biochar through sludge | |
| CN208305382U (en) | A kind of cement raw material agitating device | |
| CN219640576U (en) | Dehydrator for plastic particle preparation | |
| CN220648909U (en) | A drying device for aquatic products feed processing | |
| CN206078993U (en) | Dedicated look of food processing selects popped all -in -one | |
| CN219098969U (en) | A farm manure recycling device | |
| CN223393396U (en) | Crushing and granulating device for refining agent preparation | |
| CN217483167U (en) | Electric heating constant temperature blast air drying cabinet that drying effect is good |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |