CN203572168U - Cyclical cereal drying machine - Google Patents
Cyclical cereal drying machine Download PDFInfo
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- CN203572168U CN203572168U CN201320480610.7U CN201320480610U CN203572168U CN 203572168 U CN203572168 U CN 203572168U CN 201320480610 U CN201320480610 U CN 201320480610U CN 203572168 U CN203572168 U CN 203572168U
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- elevator
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Abstract
The utility model provides a cyclical cereal drying machine which includes an upper drying part and a lower drying part. The upper drying part disposed over the lower drying part is in communication with the lower drying part. The upper drying part includes an upper drying chamber and an upper storage chamber. The lower drying part includes a lower drying chamber and a lower storage chamber. The upper storage chamber, the upper drying chamber, the lower storage chamber and the lower drying chamber are arranged in a column in a vertical direction. Through the above design, the cyclical cereal drying machine has the advantages that the drying quality is high and the broken rate is low since a belt is adopted to convey cereals.
Description
Technical field
The utility model relates to field of agricultural machinery, in particular to a kind of Cirulation type grain dryer.
Background technology
All Cirulation type grain dryers, to the result of grain-drying, can arrive the requirement of moisture content substantially at present; But cereal is in the process that is recycled oven dry, and every circulation primary pushes once by the lower screw feeder of drying machine, has certain interval between lower screw feeder and its housing, often the seed of cereal is pulverized, do not reach the requirement of cereal percentage of damage after drying in propelling movement process.Therefore a kind of Cirulation type grain dryer that improves the low percentage of damage of dries quantity is urgently proposed.
Utility model content
The purpose of this utility model is to provide a kind of Cirulation type grain dryer, to solve the above problems.
A kind of Cirulation type grain dryer is provided in embodiment of the present utility model,
Include: parts are dried on top and parts are dried in bottom;
Described top oven dry parts are arranged at the upside of described bottom oven dry parts, and parts are dried on described top and described bottom oven dry parts are connected;
Described top is dried parts and is comprised that drying chamber and upper storage stay chamber, and described bottom is dried parts and comprised that lower drying chamber and lower storage stay chamber, and on vertical direction, described upper storage stays chamber, described upper drying chamber, described lower storage to stay chamber and described lower drying chamber to enumerate setting;
Also comprise elevator and conveying device;
Described conveying device is arranged at the downside of described lower drying chamber, and described conveying device includes the conveying output for cereal output;
Described elevator includes the elevator feed end that enters for cereal and the elevator discharge end for cereal output, and described elevator discharge end is arranged at described upper storage and stays the upside of chamber;
Described conveying output is connected with described elevator feed end;
Described conveying device comprises: driving wheel, driven pulley and be sheathed on the outside of described driving wheel and described driven pulley and be formed with the belt of closed circuit.
The Cirulation type grain dryer that the utility model embodiment provides, by said structure, design, the cycle operation flow process of cereal in Cirulation type grain dryer is: cereal is added into Cirulation type grain dryer (particularly gradually, Cirulation type grain dryer includes feeding port, feeding port is communicated with the poly-material of cereal chamber), meanwhile, start conveying device and elevator; Cereal enters into conveying device from feeding port, and conveying device is transported to cereal in elevator, then by elevator, is transported to upper storage and stays chamber; Cereal enters into storage and stays behind chamber, relies on gravity fall, stays chamber and lower drying chamber successively through upper drying chamber, lower storage; After this, cereal is transported to storage at this through conveying device and elevator from lower drying chamber and stays in chamber, realizes thus the circulation of drying operation.
Accompanying drawing explanation
The structural representation of Cirulation type grain dryer in a kind of embodiment that Fig. 1 provides for the utility model;
The structural representation of Cirulation type grain dryer in the another kind of embodiment that Fig. 2 provides for the utility model;
Fig. 3 is the cutaway view along A-A in Fig. 2;
The structural representation of conveying device in a kind of embodiment that Fig. 4 provides for the utility model;
Fig. 5 is the cutaway view along B-B in Fig. 4.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Please refer to Fig. 1 to Fig. 5, wherein, the structural representation of Cirulation type grain dryer in a kind of embodiment that Fig. 1 provides for the utility model; The structural representation of Cirulation type grain dryer in the another kind of embodiment that Fig. 2 provides for the utility model; Fig. 3 is the cutaway view along A-A in Fig. 2; The structural representation of conveying device in a kind of embodiment that Fig. 4 provides for the utility model; Fig. 5 is the cutaway view along B-B in Fig. 4.
The utility model provides a kind of Cirulation type grain dryer, for harvested cereal is dried, so that it is preserved for a long time.
Cirulation type grain dryer includes top and dries parts and bottom oven dry parts, top oven dry parts are arranged at the upside of bottom oven dry parts, dry parts for two and be interconnected, cereal can be dried from top parts and be fallen into and to bottom, dried parts by Action of Gravity Field.Parts are dried on top and bottom oven dry parts all have the drying functions to cereal, particularly, top is dried parts and is comprised that drying chamber and upper storage stay chamber, bottom is dried parts and is comprised that lower drying chamber and lower storage stay chamber, on vertical direction, upper storage stays chamber, upper drying chamber, lower storage to stay chamber and lower drying chamber to enumerate setting.When cereal enters into upper storage, stay behind chamber, by upper drying chamber, lower storage, stay chamber and lower drying chamber and pile up gradually until fill with the upper storage chamber of staying successively.Then, upper drying chamber and lower drying chamber are dried operation.
In order to realize cereal at Cirulation type grain dryer, the utility model also provides elevator and conveying device.Conveying device is arranged at the downside of lower drying chamber, and cereal relies on gravity (or relying on mechanical device) output gradually from lower drying chamber, and can fall in conveying device, and conveying device includes the conveying output for cereal output.Conveying device can cycle operation, and will fall to cereal in conveying device by carrying output output.Elevator includes the elevator feed end entering for cereal and the elevator discharge end of exporting for cereal, carries output to be connected with elevator feed end, can receive the cereal of carrying output output, and cereal rises by elevator.By designer's structural design, elevator discharge end is arranged at storage and stays the upside of chamber, and the cereal raising by elevator can fall into supreme storage and stay chamber.
By said structure, design, the cycle operation flow process of cereal in Cirulation type grain dryer is: cereal is added into Cirulation type grain dryer (particularly gradually, Cirulation type grain dryer includes feeding port, feeding port is communicated with the poly-material of cereal chamber), meanwhile, start conveying device and elevator; Cereal enters into conveying device from feeding port, and conveying device is transported to cereal in elevator, then by elevator, is transported to upper storage and stays chamber; Cereal enters into storage and stays behind chamber, relies on gravity fall, stays chamber and lower drying chamber successively through upper drying chamber, lower storage; After this, cereal is transported to storage at this through conveying device and elevator from lower drying chamber and stays in chamber, realizes thus the circulation of drying operation.
In the utility model, conveying device has been carried out architecture advances especially.Conveying device includes drive roll, driven cylinder and is sheathed on drive roll and the outside of driven cylinder be formed with the belt of closed circuit.Drive roll rotates by power-equipment, according to the rotation direction of belt, sets and carries output.
It should be noted that, belt sleeve is located at the outside of drive roll and driven cylinder, is formed with upside belt and downside belt, and the end end (being transformed to one end of downside belt by upside flat rubber belting) that upside belt rotates is conveying output.
The Cirulation type grain dryer that the utility model provides, adopts belt to carry cereal, has avoided using in prior art stirring cage to carry and the large problem of cereal breakage rate that causes.
In the prior art, in order to realize the circulation of cereal, comparatively typical Cirulation type grain dryer adopts stirring cage to carry out cereal conveying, so causes grain-drying breakage rate larger.
The utility model designs by said structure, can overcome the shortcoming of above-mentioned Cirulation type grain dryer, it is by replacing poker conveyer structure under Cirulation type grain dryer, use belt conveyor instead, because belt conveyor can not produce to cereal the action of grinding, pressing, realized the object that reduces percentage of damage.
Particularly, upper drying chamber includes hot air chamber, and lower drying chamber includes lower hot air chamber.In the prior art, air-flow by heating component after temperature raise and be formed with hot blast, hot blast pass through upper hot air chamber and lower hot air chamber by pipe-line system, dependence high temperature is realized the oven dry of cereal.Hot blast, after once utilizing, is directly got rid of, and causes a large amount of waste heat wastes, causes the waste of the energy.
In order to improve the utilization ratio of the energy, upper hot air chamber includes uptake, and lower hot air chamber includes lower air port.On lower air port, air exhausting device is installed, and the utility model also provides ventilation shaft, one end of ventilation shaft is communicated with lower air port by air exhausting device, and the other end of ventilation shaft is communicated with uptake.Air exhausting device can be accelerated gas communication after starting, thereby lower hot air chamber is formed to exhausting operation, and hot blast, by after lower hot air chamber, enters in upper hot air chamber by ventilation shaft.By this structural design, due to be provided with ventilation shaft can realize hot blast lower hot air chamber and on circulation in hot air chamber, avoid the direct eliminating of hot blast, can carry out preheating to upper hot air chamber, thereby improve the efficient utilization of heat energy.
In order to improve cereal, in lower drying chamber, fall to the intensity in conveying device (being specially belt), limit in the present embodiment: lower drying chamber includes multiple lower hot air chambers, the bottom of lower hot air chamber adopts the corner structure protruding, and this corner structure is V-shaped.And, between two adjacent lower hot air chambers, being provided with cylinder blanking device, cylinder blanking device includes and is funnelform collecting board, and the lower end of collecting board is provided with cylinder.First cereal drop down onto on collecting board after dropping from lower drying chamber, relies on gravity to concentrate to the middle part of collecting board.Cylinder is arranged at the middle part of collecting board, by rotating, cereal is exported gradually.The downside of cylinder is provided with conveying device, has so realized cereal and has landed in an orderly manner.Can also avoid the blockage problem that occurs that cereal concentrates landing to cause.
In the present embodiment, conveying device also includes sealing baffle, and sealing baffle is provided with two, and two sealing baffles are divided into both sides, belt top, and sealing baffle is used for receiving the cereal dropping, and carries on belt through its centralized collection.
Particularly, two sealing baffles are bucket-shaped structural design and are arranged at both sides, belt top.
Sealing baffle is arranged at the upside of belt, and sealing baffle is fixed structure, and belt has the relative motion with sealing baffle in operation process.In order to improve the sealing between belt and sealing baffle, on belt, be provided with sealing strip, sealing strip and sealing baffle butt, when belt turns round, CONTACT WITH FRICTION between sealing strip and sealing baffle.So, owing to being provided with sealing strip, can improve the sealing between sealing baffle and belt, place cereal and be scattered.
The object of a kind of Cirulation type grain dryer of the utility model (calling circulating drying machine in the following text) is achieved in that circulating drying machine composition is: on drying machine base, drying chamber, lower storage under cereal are installed and stay chamber, upper drying chamber, upper storage to stay the composition bodies such as chamber, upper screw feeder; In lower drying chamber, lower hot air chamber is set; In upper drying chamber, hot air chamber is set.
Below lower drying chamber, cylinder blanking device is set, it below cylinder blanking device, is the poly-material of cereal chamber, below the poly-material of cereal chamber, belt conveyor is set, belt conveyor is set to be comprised of driven cylinder, driven cylinder, belt, above belt, both sides add sealed baffle, and belt is provided with two sealing strips and the laminating of baffle plate outside in appearance, and the input of belt is provided with Antileaking plate.Body side arranges grain elevator, charge door; Air exhausting device is set one time after lower drying chamber, and one time air exhausting device is connected waste-heat recovery device; Waste-heat recovery device comprises remaining hot-wind inlet, automatic impurity chamber and remaining hot-blast outlet, remaining hot-blast outlet is communicated with upper drying chamber, cereal circulating drier is also equipped with robot control system(RCS) and fuel combustion system, and on cereal circulation dryer, storage stays the top of chamber that rotating disc is set and cereal is filled from control head.
The course of work of this circulation dryer is: at charge door, add cereal, start belt conveyor, grain elevator and upper screw feeder, belt conveyor cereal is transported in elevator, again by elevator by supreme cereal hoisting screw feeder, cereal is fallen on rotating disc through upper screw feeder outlet, and rotating disc is sprinkled into upper storage by cereal and stays chamber, upper drying chamber, lower storage to stay chamber and lower drying chamber; After cereal is filled, automatic control hair goes out signal, stops feeding in raw material; Automatically stop belt conveyor, elevator and upper screw feeder; Start cylinder blanking device, belt conveyor, elevator, the fuel of fire fuel combustion chamber, start air exhausting device one time, one time air exhausting device sucks hot blast lower hot air chamber, lower drying chamber and sends into waste-heat recovery device, enter the waste heat wind of waste-heat recovery device, through the outlet of the entrance of waste-heat recovery device, automatic impurity chamber, waste-heat recovery device, discharge after entering hot air chamber, upper drying chamber; The poly-material of the cereal of cereal below lower drying chamber flows into cylinder blanking device chamber, the cereal of the poly-material of cereal chamber is transported to elevator through belt conveyor, elevator is delivered to upper screw feeder cereal, through upper screw feeder outlet, fall on rotating disc, rotating disc is sprinkled into upper storage by cereal and stays chamber, upper drying chamber, lower storage to stay chamber, lower drying chamber and cylinder blanking device.Like this, cereal will be recycled oven dry, until arrive requirement.
The specific embodiment of a kind of Cirulation type grain dryer of the utility model (calling circulating drying machine in the following text) is: the composition of circulating drying machine is, on circulating drying machine base 1, drying chamber 2, lower storage under cereal are installed and stay chamber 3, upper drying chamber 4, upper storage to stay the composition bodies such as chamber 5, upper screw feeder 6, lower drying chamber 2 is interior arranges lower hot air chamber 7, the interior hot air chamber 8 that arranges of upper drying chamber 4, lower drying chamber 2 arranges cylinder blanking device 9 below, cylinder blanking device 9 is the poly-material of cereal chamber 10 below, the poly-material of cereal chamber 10 arranges belt conveyor 11 below, belt conveyor 11 is by driving wheel 12, driven pulley 13, belt 14 forms, the belt 14 of belt conveyor 11 adds respectively left sealing baffle 15 and right sealing baffle 16 in both sides above, on belt 14, be provided with left sealing strip 17 and right sealing strip 18, wherein left sealing strip 17 and left sealing baffle 15 outside laminatings, right sealing strip 18 and right sealing baffle 16 outside laminatings, the input of belt 14 is provided with Antileaking plate 19.Elevator 20, charge door 21 are set above body, lower drying chamber 2 arranges one time air exhausting device 22 below, one time air exhausting device 22 is connected waste-heat recovery device 23, waste-heat recovery device 23 comprises remaining hot-wind inlet 24, automatic impurity chamber 25 and remaining hot-blast outlet 26, and remaining hot-blast outlet 26 is communicated with upper drying chamber 4; Cereal circulation dryer is also equipped with robot control system(RCS) 27 and fuel combustion system, and on cereal circulating drier, storage is stayed the top of chamber to be provided with cereal to fill from control head 28, rotating disc 29.
The course of work of this circulation dryer is: at charge door 21, add cereal, start belt conveyor 11, grain elevator 20, upper screw feeder 6, belt conveyor 11 cereal are transported to 20 li of elevators, again by elevator 20 by supreme cereal hoisting screw feeder 6, cereal is fallen on rotating disc 29 through upper screw feeder outlet, and rotating disc 29 is sprinkled into upper storage by cereal and stays chamber 5, upper drying chamber 4, lower storage to stay chamber 3, lower drying chamber 2; After cereal is filled, cereal is filled from control head 28 and is sent signal, stops feeding in raw material; Automatically stop belt conveyor 11, elevator 20, upper screw feeder 6; Start elevator 20, upper screw feeder 6, belt conveyor 11, cylinder blanking device 9, the fuel of fire fuel combustion chamber, start air exhausting device 22 one time, one time air exhausting device 22 sucks hot blast lower hot air chamber 7, lower drying chamber 2 and sends into waste-heat recovery device 23, enter the waste heat wind of waste-heat recovery device 23, through the remaining hot-blast outlet 26 of the remaining hot-wind inlet 24 of waste-heat recovery device 23, automatic impurity chamber 25, waste-heat recovery device, remaining hot-blast outlet 26 is communicated with upper drying chamber 4, upper hot air chamber 8; Waste heat wind enters chamber 8, the rear discharge of upper drying chamber 4; The poly-material of the cereal of cereal below lower drying chamber 2 flows into cylinder blanking device 9 chamber 10, the cereal of the poly-material of cereal chamber 10 is transported to elevator 20 by belt conveyor 11, elevator 20 is delivered to upper screw feeder 6 cereal, through upper screw feeder 6 outlets, fall on rotating disc 29, rotating disc 29 is sprinkled into upper storage by cereal and stays chamber 5, upper drying chamber 4, lower storage to stay chamber 3, lower drying chamber 2, cylinder blanking device 9.Like this, cereal will be recycled oven dry, until arrive requirement.
Cirulation type grain dryer, it,, by replacing poker conveyer structure under Cirulation type grain dryer, uses belt conveyor instead, has avoided screw feeder to carry the rolling of cereal, and has reduced cereal percentage of damage, has improved grain-drying quality; This Cirulation type grain dryer, has set up waste-heat recovery device, upper drying chamber, upper hot air chamber, and the waste heat wind of an air exhausting device enters hot air apparatus, upper drying chamber, and the gas of fuel primary emission obtains secondary utilization, has realized energy-saving and emission-reduction.Waste-heat recovery device is provided with automatic impurity chamber, automatically clearing impurity, and the equipment that guaranteed normally moves, and automatic control system is easy and safe to operate reliable.
Cereal is given elevator, and elevator is by supreme the cereal hoisting of drying screw feeder, and the cereal of upper screw feeder outlet is fallen on rotating disc, and rotating disc is sprinkled into upper storage by cereal and stays chamber, upper drying chamber, lower storage to stay chamber, lower drying chamber, cylinder blanking device; Like this, cereal will be recycled oven dry, until arrive requirement.The sealed baffle that above belt conveyor belt, both sides add, two sealing strip laminatings that arrange on sealing baffle and belt; The Antileaking plate of belt input is avoided cereal leakage.Adopt Belt Conveying to guarantee the percentage of damage after grain-drying; Waste heat wind has been removed in automatic impurity chamber.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a Cirulation type grain dryer, is characterized in that, includes: parts are dried on top and parts are dried in bottom;
Described top oven dry parts are arranged at the upside of described bottom oven dry parts, and parts are dried on described top and described bottom oven dry parts are connected;
Described top is dried parts and is comprised that drying chamber and upper storage stay chamber, and described bottom is dried parts and comprised that lower drying chamber and lower storage stay chamber, and on vertical direction, described upper storage stays chamber, described upper drying chamber, described lower storage to stay chamber and described lower drying chamber to enumerate setting;
Also comprise elevator and conveying device;
Described conveying device is arranged at the downside of described lower drying chamber, and described conveying device includes the conveying output for cereal output;
Described elevator includes the elevator feed end that enters for cereal and the elevator discharge end for cereal output, and described elevator discharge end is arranged at described upper storage and stays the upside of chamber;
Described conveying output is connected with described elevator feed end;
Described conveying device comprises: driving wheel, driven pulley and be sheathed on the outside of described driving wheel and described driven pulley and be formed with the belt of closed circuit.
2. Cirulation type grain dryer according to claim 1, is characterized in that,
The described belt that is sheathed on the outside of described driving wheel and described driven pulley is formed with upside belt and downside belt, and the end end that described upside belt rotates is described conveying output.
3. Cirulation type grain dryer according to claim 1, is characterized in that,
Described upper drying chamber includes hot air chamber, and described upper hot air chamber includes uptake;
Described lower drying chamber includes lower hot air chamber, and described lower hot air chamber includes lower air port;
On described lower air port, air exhausting device is installed, described air exhausting device is connected with ventilation shaft; Described lower air port is connected with one end of described ventilation shaft by described air exhausting device;
The other end of described ventilation shaft is communicated with described uptake.
4. according to Cirulation type grain dryer described in any one in claim 1-3, it is characterized in that,
Described conveying device also includes the sealing baffle of the cereal for accepting to drop;
Described sealing baffle has two;
Two described sealing baffles are located at respectively the both sides of described belt top, and when described belt rotates, have the relative motion with described belt.
5. Cirulation type grain dryer according to claim 4, is characterized in that,
Two described sealing baffles are bucket-shaped structure and are arranged at both sides, described belt top.
6. Cirulation type grain dryer according to claim 5, is characterized in that, is also provided with sealing strip on described belt;
Butt between described sealing baffle and described sealing strip, and when described belt running, CONTACT WITH FRICTION between described sealing strip and described sealing baffle.
7. Cirulation type grain dryer according to claim 3, is characterized in that, also comprises grain elevator and belt conveyor; Members is dried on described grain elevator and described top, and the position being communicated with is charge door;
Between two adjacent described lower hot air chambers, be provided with cylinder blanking device;
Described cylinder blanking device includes and is funnelform for collecting the collecting board of the cereal being fallen by described lower drying chamber, and the lower end of described collecting board is provided with cylinder;
Described conveying device is positioned at the below of described cylinder;
Also comprise the poly-material of cereal chamber;
The poly-material of described cereal chamber is arranged between described cylinder blanking device and described belt conveyor;
Described air exhausting device is also connected with waste-heat recovery device;
Described waste-heat recovery device comprises remaining hot-wind inlet, automatic impurity chamber and remaining hot-blast outlet, and described remaining hot-blast outlet is communicated with upper drying chamber;
Also comprise robot control system(RCS) and fuel combustion system;
Described upper storage stays the top of chamber to be provided with rotating disc and cereal is filled from control head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480610.7U CN203572168U (en) | 2013-08-07 | 2013-08-07 | Cyclical cereal drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480610.7U CN203572168U (en) | 2013-08-07 | 2013-08-07 | Cyclical cereal drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572168U true CN203572168U (en) | 2014-04-30 |
Family
ID=50539896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320480610.7U Expired - Fee Related CN203572168U (en) | 2013-08-07 | 2013-08-07 | Cyclical cereal drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572168U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947748A (en) * | 2014-05-12 | 2014-07-30 | 苏州塔可盛电子科技有限公司 | High-efficiency constant-temperature rapid grain drier |
| CN108180746A (en) * | 2017-12-21 | 2018-06-19 | 合肥三伍机械有限公司 | A kind of heated air circulation device of crop dryer |
| CN109675783A (en) * | 2018-12-24 | 2019-04-26 | 合肥麦稻之星机械有限公司 | A kind of Cirulation type grain dryer |
-
2013
- 2013-08-07 CN CN201320480610.7U patent/CN203572168U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947748A (en) * | 2014-05-12 | 2014-07-30 | 苏州塔可盛电子科技有限公司 | High-efficiency constant-temperature rapid grain drier |
| CN108180746A (en) * | 2017-12-21 | 2018-06-19 | 合肥三伍机械有限公司 | A kind of heated air circulation device of crop dryer |
| CN109675783A (en) * | 2018-12-24 | 2019-04-26 | 合肥麦稻之星机械有限公司 | A kind of Cirulation type grain dryer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170504 Address after: 610511 Sichuan Modern Agricultural Machinery Industrial Park, slate Town, Xindu District, Sichuan, Chengdu Patentee after: Okay Sichuan Sichuan agricultural products drying equipment manufacturing Co. Address before: 610511 Sichuan Modern Agricultural Machinery Industrial Park, slate Town, Xindu District, Sichuan, Chengdu Patentee before: Sichuan Chuanlong Tractor Manufacturing Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20180807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |