CN203744697U - Vacuum feeding system - Google Patents
Vacuum feeding system Download PDFInfo
- Publication number
- CN203744697U CN203744697U CN201320891563.5U CN201320891563U CN203744697U CN 203744697 U CN203744697 U CN 203744697U CN 201320891563 U CN201320891563 U CN 201320891563U CN 203744697 U CN203744697 U CN 203744697U
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- China
- Prior art keywords
- vacuum
- interface
- tank body
- buffer device
- pipe
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims abstract description 51
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000001276 controlling effect Effects 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 description 13
- 239000002956 ash Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 4
- DBPWSSGDRRHUNT-UHFFFAOYSA-N 17alpha-hydroxy progesterone Natural products C1CC2=CC(=O)CCC2(C)C2C1C1CCC(C(=O)C)(O)C1(C)CC2 DBPWSSGDRRHUNT-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229950000801 hydroxyprogesterone caproate Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- DOMWKUIIPQCAJU-LJHIYBGHSA-N Hydroxyprogesterone caproate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(C)=O)(OC(=O)CCCCC)[C@@]1(C)CC2 DOMWKUIIPQCAJU-LJHIYBGHSA-N 0.000 description 1
- AEMFNILZOJDQLW-QAGGRKNESA-N androst-4-ene-3,17-dione Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1 AEMFNILZOJDQLW-QAGGRKNESA-N 0.000 description 1
- 229960005471 androstenedione Drugs 0.000 description 1
- AEMFNILZOJDQLW-UHFFFAOYSA-N androstenedione Natural products O=C1CCC2(C)C3CCC(C)(C(CC4)=O)C4C3CCC2=C1 AEMFNILZOJDQLW-UHFFFAOYSA-N 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a vacuum feeding system comprising a double-tapered rotary vacuum drier, a vacuum buffer device and a vacuum pump. The vacuum buffer device is connected with the vacuum pump through a first vacuum pipeline, connected with the double-tapered rotary vacuum drier through a second vacuum pipeline, and connected with a vacuum display device. A vacuum regulating valve is arranged on the first vacuum pipeline, and used for regulating a vacuum value in the vacuum buffer device. The upper side of a tank of the double-tapered rotary vacuum drier is connected with the vacuum buffer device through the second vacuum pipeline, and a valve is arranged on the second vacuum pipeline and used for controlling connection or disconnection of the tank and the vacuum buffer device. A second ball valve is arranged on the lower side of the tank, and connected with a suction pipe. When the vacuum reaches a set vacuum value, the second ball valve is turned on, and materials are sucked into the tank through the suction pipe. The problems of consumption of a large amount of manpower resources during feeding and pollution to the surrounding are avoided.
Description
Technical field
The utility model relates to powder material processing technique field, particularly relates to a kind of vacuum charging system.
Background technology
Along with the fast development of bio-pharmaceuticals industry, emerged the product that various employing new techniques are produced, such as: the products such as androstenedione, 17 Alpha-hydroxy progesterone, 17 Alpha-hydroxy progesterone acetates.And a requisite procedure is dried powder material exactly when producing these products, then to the powder material after drying further fining-off generate above-mentioned various products.
At present, the baking operation in production is mainly to complete by various drying machines, and existing most widely used is aborning double conic rotary vacuum dryer, on this drying machine, is provided with feeding port.And while adopting this drying machine to dry powder material, need manually a certain amount of powder material is added in drying machine and be dried.Due to what add, be powder material, in the process of adding, can produce a large amount of powder ashes, will pollute surrounding environment like this, and can affect staff's health.
Visible, current this material-uploading style is mainly deposited problem both ways: will consume a large amount of human resources carries out the interpolation of material on the one hand; In the process of adding at material on the other hand, can produce a large amount of powder ashes, surrounding environment is polluted.
Utility model content
The utility model provides a kind of vacuum charging system, to solve, consumes at present a large amount of human resources when adding powder material in double conic rotary vacuum dryer, and the problem of polluting surrounding environment.
In order to address the above problem, the utility model discloses a kind of vacuum charging system, comprise double conic rotary vacuum dryer, vacuum buffer device and vavuum pump, described vacuum buffer device is arranged between described double conic rotary vacuum dryer and described vavuum pump; On described vacuum buffer device, be provided with three interfaces; Wherein, first interface is connected with described vavuum pump by the first vacuum pipe, the second interface is connected with described double conic rotary vacuum dryer by the second vacuum pipe, and the 3rd interface connects vacuum display device, and described vacuum display device is for showing the vacuum values of described vacuum buffer device; On described the first vacuum pipe, be provided with vacuum breaker, for regulating the vacuum values of described vacuum buffer device, make described vacuum values reach setting vacuum values; When described the second vacuum pipe is during in conducting state, in the tank body of described double conic rotary vacuum dryer, vacuum values equates with the vacuum values in described vacuum buffer device; The tank body upside of described bipyramid rotary dryer is provided with the first ball valve away from ground one side, described first ball valve one end is connected with the 4th interface of described tank body, the other end is connected with described the second interface by described the second vacuum pipe, on described the second vacuum pipe, be provided with valve, for controlling the tank body of described double conic rotary vacuum dryer and conducting or the disconnection between described vacuum buffer device; The downside of described tank body is provided with the second ball valve near a side on ground, one end of described the second ball valve is connected with the 5th interface of described tank body, the other end is provided with the 6th interface, and described the 6th interface connects suction tube, controls conducting or disconnection between described suction tube and described tank body; When described the first ball valve and described the second ball valve are during all in closed condition, described tank body is airtight; When the tank body of described double conic rotary vacuum dryer reaches setting vacuum values, open described the second ball valve, by described suction tube, material is sucked to the tank body of described double conic rotary vacuum dryer, when reaching setting inventory, close described the second ball valve.
Preferably, in the second vacuum pipe between described double conic rotary vacuum dryer and described vacuum buffer device, be provided with the identical screen pack of cross-sectional area of cross-sectional area and described the second vacuum pipe.
Preferably, the flexible pipe that described suction tube is plastic material.
Preferably, described double conic rotary vacuum dryer is connected with industry control panel; Described industry control panel is used for to described double conic rotary vacuum dryer input temp information and/or humidity information and/or upper inventory information.
Preferably, described vacuum breaker is stainless steel ball valve.
Preferably, the pipeline that described the first vacuum pipe and/or described the second vacuum pipe are metal material; Or, the pipeline that described the first vacuum pipe and/or described the second vacuum pipe are polypropylene material.
Preferably, the setting range of described setting vacuum values is that-0.092 MPa is to-0.098 MPa.
Preferably, described vacuum buffer device is vacuum buffer tank, and described vacuum buffer tank is provided with two legs that match with described vacuum buffer tank near one end, ground.
Preferably, the described first interface arranging on described vacuum buffer device, the second interface and the 3rd interface are arranged side by side the top in vacuum buffer tank, and described vacuum buffer tank bottom is provided with the 7th interface, described the 7th interface is used for removing the vacuum state of described vacuum buffer tank, or for connecting other equipment.
Compared with prior art, the utlity model has following advantage:
The utility model is by adopting vavuum pump, vacuum buffer device and double conic rotary vacuum dryer to form vacuum charging system.The downside of the tank body of the double conic rotary vacuum dryer in this system is installed suction tube near a side on ground by ball valve, and adopts vavuum pump to carry out vacuum pumping to the tank body of double conic rotary vacuum dryer.Vacuum values in tank body reaches when setting value, and the ball valve of opening tank body downside makes suction tube and tank body conducting, and because tank interior and outside exist pressure difference, therefore, material will be sucked in tank body automatically by suction tube, realizes automatic charging.While adopting the automatical feeding system material loading that the utility model provides, without manually adding materials in tank body; And owing to being by suction tube material loading, so can not produce a large amount of powder ashes when material loading.As can be seen here, vacuum charging system of the present utility model has not only been saved human resources when material loading, has also reduced the pollution of powder ash to surrounding environment.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of a kind of vacuum charging system of the utility model embodiment.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment
With reference to Fig. 1, show according to the structural representation of a kind of vacuum charging system of the embodiment of the present application.
As shown in Figure 1, the vacuum charging system of the present embodiment comprises: double conic rotary vacuum dryer 102, vacuum buffer device 104 and vavuum pump 106, vacuum buffer device 104 is arranged between double conic rotary vacuum dryer 102 and vavuum pump 106.
On vacuum buffer device, be provided with three interfaces; Wherein, first interface 1042 is connected with vavuum pump 106 by the first vacuum pipe 108, the second interface 1044 is connected with double conic rotary vacuum dryer 102 by the second vacuum pipe 110, the 3rd interface 1046 connects vacuum display device 1048, and vacuum display device 1048 is for showing the vacuum values of vacuum buffer device 104; And be provided with vacuum breaker on the first vacuum pipe 108, for regulating the vacuum values of vacuum buffer device 104, make described vacuum values reach setting vacuum values, when the second vacuum pipe 110 is during in conducting state, the interior vacuum values of tank body 1022 of double conic rotary vacuum dryer equates with the vacuum values in vacuum buffer device 104.Preferably, vacuum display device is Pressure gauge, and vacuum buffer device is vacuum buffer tank, but is not limited to this.
Because vacuum buffer tank is applied more more economically, therefore, in the present embodiment, select vacuum buffer tank as vacuum buffer device 104, as shown in Figure 1, vacuum buffer tank in the present embodiment is provided with two legs 10412 that match with vacuum buffer tank near one end, ground, the top of vacuum buffer tank has been arranged side by side first interface 1042, the second interface 1044 and the 3rd interface 1046, and vacuum buffer tank bottom is provided with the 7th interface 10410, the 7th interface 10410 is for removing the vacuum state of vacuum buffer tank, or for connecting other equipment.In the present embodiment, the first interface on vacuum buffer tank, the second interface and the 3rd interface are arranged side by side, more convenient when vacuum charging system is installed, when system goes wrong, search problem also convenient.Meanwhile, in the present embodiment, also select the Pressure gauge supporting with vacuum buffer tank as the vacuum display device on vacuum buffer device.It should be noted that, in the present embodiment, just take vacuum buffer tank and Pressure gauge to describe as example, but be not limited to this.
It should be noted that, the vacuum breaker arranging on the first vacuum pipe 108, vacuum breaker does not mark in Fig. 1, and the position of this vacuum breaker in the first pipeline 108 can the concrete condition when installing be designed, and is convenient to staff and regulates.In the present embodiment concrete restriction is not done in its installation site.At this, material of vacuum breaker is not done to concrete restriction yet, a kind of preferred scheme is for selecting stainless steel ball valve as vacuum breaker.
The material of above-mentioned the first vacuum pipe 108 and the second vacuum pipe 110 can select any material that meets seal, can be the pipeline of metal material as stainless steel, can be also the pipeline of poly-the third ethene material.In installation, be to select the first vacuum pipe 108 of same material and the second vacuum pipe 110 to install, also can select the pipeline of unlike material to install, at this, do not do concrete restriction.
As shown in Figure 1, double conic rotary vacuum dryer 102 comprises: tank body 1022 and support 1024.Tank body 1022 is hexagonal container, and support 1024 is for supporting tank body 1022.Upside at tank body 1022 is provided with the 4th interface away from ground one side, at the downside of tank body 1022, near the side on ground, is provided with the 5th interface.On the 4th interface, be provided with one end of the first ball valve 10222, the first ball valves 10222 and the 4th interface of tank body 1022 is connected, the other end is connected with the second interface 1044 by the second vacuum pipe 110.And, on the second vacuum pipe 110, be provided with valve, for controlling the tank body 1022 of double conic rotary vacuum dryer 102 and conducting or the disconnection between vacuum buffer device 104.On the 5th interface, be provided with the second ball valve 10224, one end of the second ball valve 10224 is connected with the 5th interface of tank body, the other end is provided with the 6th interface 10226, the 6th interface 10226 connects conducting or the disconnection that suction tube 10228, the second ball valves 10224 are controlled between suction tube 10228 and tank body 102; When the first ball valve 10222 and the second ball valve 10224 are during all in closed condition, tank body 1022 is airtight.
Suction tube 10228 is installed on the 6th interface 10226 flexibly, and staff can carry out installation and removal to it, when wanting material loading, suction tube 10228 is installed on the 6th interface 10226, when material loading completes, is dismantled.
It should be noted that, in Fig. 1, do not mark on the second vacuum pipe 110 valve arranging, and the position of this valve can the concrete condition when installing design, be convenient to staff and regulate.At this, concrete restriction is not done in its installation site.Meanwhile, because the 4th interface is to join and that is to say that the two mates with one end of the first ball valve 10222, do not mark the 4th interface after installation in Fig. 1, just having marked the first ball valve 10222, the five interfaces is equally also in Fig. 1, not mark.
When needs are in double conic rotary vacuum dryer during material loading, open the valve and the first ball valve 10222 that on the second vacuum pipe, arrange, now tank body 1022 and vacuum buffer device 104 conductings of double conic rotary vacuum dryer, by regulating the vacuum breaker arranging on the first vacuum pipe 108, make the vacuum values of vacuum display device 1048 demonstrations of setting on vacuum buffer device 104 reach setting vacuum values, now because the second vacuum pipe 110 is in conducting state, therefore the vacuum values in the tank body 1022 of double conic rotary vacuum dryer equates with the vacuum values showing on this display device 1048.When the tank body 1022 of double conic rotary vacuum dryer reaches setting vacuum values, open the second ball valve 10224, by suction tube 10228, material is sucked to the tank body 1022 of double conic rotary vacuum dryer, when reaching setting inventory, close the second ball valve 10224.
It should be noted that, the vacuum values of setting is not limited to a certain fixed value, the setting of vacuum values can regulate according to the needs of actual production, and the preferred adjustable range that vacuum values is set is extremely-0.098 MPa of-0.092 MPa, but is not not limited to this.
The vacuum charging system providing by the present embodiment, this system adopts vavuum pump, vacuum buffer device and double conic rotary vacuum dryer to form, the downside of the tank body of the double conic rotary vacuum dryer in this system is installed suction tube near a side on ground by ball valve, and adopts vavuum pump to carry out vacuum pumping to the tank body of double conic rotary vacuum dryer; Vacuum values in tank body reaches when setting value, and the ball valve of opening tank body downside makes suction tube and tank body conducting, and because tank interior and outside exist pressure difference, therefore, material will be sucked in tank body automatically by suction tube, realizes automatic charging.While adopting the automatical feeding system material loading that the present embodiment provides, without manually adding materials in tank body; And owing to being by suction tube material loading, so can not produce a large amount of powder ashes when material loading.As can be seen here, the vacuum charging system that the present embodiment provides has not only been saved human resources when material loading, has also reduced the pollution of powder ash to surrounding environment.
Preferably, in the second vacuum pipe 110 between double conic rotary vacuum dryer 102 and vacuum buffer device 104, be provided with the identical screen pack of cross-sectional area of cross-sectional area and the second vacuum pipe 110.
An effect of vacuum buffer device is exactly to prevent that the material in tank body is inhaled in vavuum pump, affects the normal operation of vavuum pump.And can effectively avoid the material in tank body to be inhaled in vacuum buffer tank by screen pack is installed on the second vacuum pipe, and indirectly vavuum pump has been played to protective effect, adopt dual measure more effectively to avoid material to be inhaled in vavuum pump.But be not limited to screen pack, other filters be installed in the second vacuum pipe applicable too.
Preferably, the flexible pipe that suction tube 10226 is plastic material.
Select the flexible pipe of plastic material as suction tube, because the suction tube of plastic material has good pliability, can be crooked within the specific limits, the staff's that is more convenient for operation.For example: when material is in material bag, only flexible pipe need be stretched in material bag and just can suck material.It should be noted that, the material of suction tube is not limited to plastic flexible pipe, can be the flexible pipe of other materials as rubber tube, can also be metal tube as iron pipe, Stainless Steel pipe etc.
Preferably, double conic rotary vacuum dryer 102 is connected with industry control panel; Industry control panel is used for to double conic rotary vacuum dryer 102 input temp information and/or humidity information and/or upper inventory information.
Equipment operator just can directly input the setting value to the condition of work of bipyramid rotary dryer by industry control panel, and it is more convenient to operate.
Preferably, the 4th interface is arranged at any one end of the rotation transverse axis 1026 of double conic rotary vacuum dryer 102.
Preferably, setting vacuum values is-0.092 MPa.That is to say, during reach-0.092 MPa of the vacuum values in tank body, then open the second ball valve material is sucked to tank body by suction tube.
Each embodiment in this description all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.Above a kind of vacuum charging system provided by the utility model is described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (9)
1. a vacuum charging system, is characterized in that, comprises double conic rotary vacuum dryer, vacuum buffer device and vavuum pump, and described vacuum buffer device is arranged between described double conic rotary vacuum dryer and described vavuum pump;
On described vacuum buffer device, be provided with three interfaces; Wherein, first interface is connected with described vavuum pump by the first vacuum pipe, the second interface is connected with described double conic rotary vacuum dryer by the second vacuum pipe, and the 3rd interface connects vacuum display device, and described vacuum display device is for showing the vacuum values of described vacuum buffer device; On described the first vacuum pipe, be provided with vacuum breaker, for regulating the vacuum values of described vacuum buffer device, make described vacuum values reach setting vacuum values; When described the second vacuum pipe is during in conducting state, in the tank body of described double conic rotary vacuum dryer, vacuum values equates with the vacuum values in described vacuum buffer device;
The tank body upside of described bipyramid rotary dryer is provided with the first ball valve away from ground one side, described first ball valve one end is connected with the 4th interface of described tank body, the other end is connected with described the second interface by described the second vacuum pipe, on described the second vacuum pipe, be provided with valve, for controlling the tank body of described double conic rotary vacuum dryer and conducting or the disconnection between described vacuum buffer device; The downside of described tank body is provided with the second ball valve near a side on ground, one end of described the second ball valve is connected with the 5th interface of described tank body, the other end is provided with the 6th interface, and described the 6th interface connects suction tube, controls conducting or disconnection between described suction tube and described tank body; When described the first ball valve and described the second ball valve are during all in closed condition, described tank body is airtight;
When the tank body of described double conic rotary vacuum dryer reaches setting vacuum values, open described the second ball valve, by described suction tube, material is sucked to the tank body of described double conic rotary vacuum dryer, when reaching setting inventory, close described the second ball valve.
2. system according to claim 1, is characterized in that, is provided with the identical screen pack of cross-sectional area of cross-sectional area and described the second vacuum pipe in the second vacuum pipe between described double conic rotary vacuum dryer and described vacuum buffer device.
3. system according to claim 1, is characterized in that, the flexible pipe that described suction tube is plastic material.
4. system according to claim 1, is characterized in that, described double conic rotary vacuum dryer is connected with industry control panel; Described industry control panel is used for to described double conic rotary vacuum dryer input temp information and/or humidity information and/or upper inventory information.
5. system according to claim 1, is characterized in that, described vacuum breaker is stainless steel ball valve.
6. system according to claim 1, is characterized in that,
The pipeline that described the first vacuum pipe and/or described the second vacuum pipe are metal material;
Or,
The pipeline that described the first vacuum pipe and/or described the second vacuum pipe are polypropylene material.
7. system according to claim 1, is characterized in that, the setting range of described setting vacuum values is that-0.092 MPa is to-0.098 MPa.
8. system according to claim 1, is characterized in that, described vacuum buffer device is vacuum buffer tank, and described vacuum buffer tank is provided with two legs that match with described vacuum buffer tank near one end, ground.
9. system according to claim 1, it is characterized in that, the described first interface arranging on described vacuum buffer device, the second interface and the 3rd interface are arranged side by side the top in vacuum buffer tank, and described vacuum buffer tank bottom is provided with the 7th interface, described the 7th interface is used for removing the vacuum state of described vacuum buffer tank, or for connecting other equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891563.5U CN203744697U (en) | 2013-12-31 | 2013-12-31 | Vacuum feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891563.5U CN203744697U (en) | 2013-12-31 | 2013-12-31 | Vacuum feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744697U true CN203744697U (en) | 2014-07-30 |
Family
ID=51344487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891563.5U Expired - Lifetime CN203744697U (en) | 2013-12-31 | 2013-12-31 | Vacuum feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692207A (en) * | 2014-11-26 | 2016-06-22 | 安徽智新生化有限公司 | Feeding device |
-
2013
- 2013-12-31 CN CN201320891563.5U patent/CN203744697U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692207A (en) * | 2014-11-26 | 2016-06-22 | 安徽智新生化有限公司 | Feeding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG SITO BIO-TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HEZE SAITUO BIOTECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 274100 East Shandong province Heze city Dingtao County Road South Patentee after: SHANDONG SAITUO BIOTECHNOLOGY Co.,Ltd. Address before: 274100 East Shandong province Heze city Dingtao County Road South Patentee before: HEZE SITO BIO-TECHNOLOGY CO.,LTD. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
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| CX01 | Expiry of patent term |