CN210495973U - Coating preparation cavity agitated vessel - Google Patents
Coating preparation cavity agitated vessel Download PDFInfo
- Publication number
- CN210495973U CN210495973U CN201921268404.3U CN201921268404U CN210495973U CN 210495973 U CN210495973 U CN 210495973U CN 201921268404 U CN201921268404 U CN 201921268404U CN 210495973 U CN210495973 U CN 210495973U
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- Prior art keywords
- stirring
- hollow
- cantilever beam
- fan blades
- lifting device
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- 238000000576 coating method Methods 0.000 title claims abstract description 22
- 239000011248 coating agent Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 156
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000003973 paint Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 28
- 239000002994 raw material Substances 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000003028 elevating effect Effects 0.000 abstract description 6
- 238000012824 chemical production Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 12
- 239000000654 additive Substances 0.000 description 5
- 238000009991 scouring Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model provides a coating preparation cavity agitated vessel, belongs to chemical production agitated vessel, the support top is equipped with hydraulic pressure elevating gear, hydraulic pressure elevating gear links to each other with cell type cantilever beam one side, cell type cantilever beam bottom links to each other with cavity stirring structure warp beam bearing, cell type cantilever beam bottom still is equipped with inverter motor, inverter motor is connected through the cingulum with hollow puddler, in the agitator tank was arranged in to cavity stirring structure, agitator tank lower part side was equipped with the discharge gate, the discharge gate links to each other with the pump suction pipe, cell type cantilever beam top is arranged in to pump suction pipe tip. The utility model discloses the coating production agitated vessel that equipment used in comparing the current trade enables raw material mixing more abundant for stirring speed improves production efficiency, and the coating finished product quality of production is more even. Meanwhile, the working environment is purified, the material loss is reduced, the material utilization rate is improved, and energy conservation and emission reduction are realized.
Description
Technical Field
The utility model belongs to chemical production agitated vessel especially relates to a coating preparation cavity agitated vessel.
Background
A paint stirring device or paint stirrer (paint disperser) is used for stirring, mixing, dissolving and dispersing two or more kinds of liquid and solid additives, and is widely used in the fields of paint, dye, ink, pigment, cosmetics, resin, adhesive, emulsion, medicine, petroleum and the like. The more uniformly dispersed the various materials, the more stable the coating properties, and to allow the mixture to be uniformly dispersed, the mixture is usually stirred.
Traditional coating production's agitated vessel generally adopts the motor to drive the puddler, and puddler bottom installation dispersion blade stirs raw and other materials through stirring vane's rotation in the agitator, and stirring vane is the solid sheet structure who has certain thickness more, and raw and other materials are put and are stirred the initial stage and play grey polluted environment easily. After raw and other materials are stirred once, the stirring tank is easily hung on the wall, the cleaning causes material waste, the dispersing impeller in the dispersing machine device has limited dispersing effect, low efficiency and low automation degree, and the stability of a finished product is not high. Therefore, a new stirring device for paint production needs to be developed.
Disclosure of Invention
In order to further improve the stirring efficiency and the degree of automation of coating production, make full use of raw and other materials reduces environmental pollution, the utility model provides a high-efficient coating stirring equipment who takes cavity stirring fan blade structure of automatic feed function. The stirring structure of the hollow stirring rod and the stirring fan blades can improve the dispersion efficiency of the coating and reduce the environmental pollution; the automatic feeding system can improve the utilization rate of raw materials, has high automation degree and saves labor cost.
The utility model adopts the technical scheme as follows:
a hollow stirring device for preparing coating comprises a support, a hydraulic lifting device, a lifting device motor, a groove-shaped cantilever beam, a cantilever beam feeding port, an automatic cantilever beam feeding port, a chute, a variable frequency motor, a toothed belt, a hollow stirring rod, stirring blades, a blade tail end small hole, a stirring box, a discharging port and a pump suction pipe, wherein the hydraulic lifting device is arranged above the support and is connected with the lifting device motor, the hydraulic lifting device is connected with one side of the groove-shaped cantilever beam, the bottom of the groove-shaped cantilever beam is connected with a hollow stirring structure through a bearing, the hollow stirring structure comprises the hollow stirring rod and the hollow stirring blade, the bottom of the groove-shaped cantilever beam is also provided with the variable frequency motor, the variable frequency motor is connected with the hollow stirring rod through the toothed belt, the hollow stirring structure is arranged in the stirring box, the side edge of the, the discharge gate links to each other with the pump suction pipe, the cell type cantilever beam top is arranged in to the pump suction pipe tip.
Preferably, the stirring rod and the stirring fan blades are of hollow structures, the diameter of the stirring rod is 10cm, the number of the stirring fan blades is 4-6, the diameter of the stirring fan blades is 20-30cm, and the diameter of an opening at the tail end of each fan blade is 1-2 cm.
Preferably, the left side and the right side of the groove-shaped cantilever beam are provided with feed inlets, and the feed inlets of the groove-shaped cantilever beam are of a chute structure.
Preferably, a sleeve is arranged in the hollow stirring rod, the sleeve is of a cylindrical structure with the diameter smaller than that of the stirring rod, and the lower surface of the sleeve is of a sieve mesh structure.
Preferably, a toothed belt wheel is arranged outside the hollow stirring rod, and the variable frequency motor is connected with the toothed belt wheel through a toothed belt.
Preferably, the pump suction pipe is provided with a discharge port valve and a hydraulic pump.
Preferably, the discharge hole is detachably connected with the pump suction pipe.
The utility model provides a coating preparation cavity agitated vessel, equipment includes the support, cell type cantilever beam feeding structure, and cavity stirring structure rotates connected system, the box, and automatic feeding system installs hydraulic pressure elevating gear above the support, and elevating gear supports the cell type cantilever beam, and the motor is connected to the elevating gear lower extreme, and motor control hydraulic pressure elevating gear's lift drives cell type cantilever beam oscilaltion motion. Cell type cantilever beam supports multiunit cavity stirring structure and rotates connected system, and the cell type cantilever beam left and right sides is equipped with the feed inlet simultaneously, and first raw materials and the semi-finished product after the stirring all reach the cavity stirring structure along the chute through feed inlet separately. The hollow stirring structure is composed of a stirring rod and stirring fan blades, both of which are hollow structures, and the stirring rod is fixedly connected with the groove-shaped cantilever beam through a bearing. The hollow stirring rod is internally provided with a sleeve for filtering raw materials. The rotary connecting system consists of a variable frequency motor and a toothed belt, and controls the axial rotation of the hollow stirring structure to realize the mixing of the coating. Starting a motor to rotate the hollow stirring structure, then injecting the primary raw materials and the semi-finished materials into the hollow stirring structure, and uniformly throwing the mixture, the additives and the like into the box body from the small holes at the tail ends of the fan blades along with the rotation of the stirring rod and the stirring fan blades. The discharge port valve controls the opening and closing of the discharge port at the bottom side of the box body and an automatic feeding system. The automatic feeding system consists of a hydraulic pump and a pump suction pipe, can automatically pump the stirred semi-finished material to the automatic feeding hole of the groove-shaped cantilever beam again, and injects the semi-finished material into the hollow stirring structure along the chute to realize multiple times of stirring; the raw materials and additives remained in the feeding tank, the stirring rod and the stirring fan blades before scouring can be achieved, the utilization rate of the materials is improved, the automation degree is high, energy is saved, emission is reduced, and the cost is reduced. The coating can be stirred more uniformly after being stirred for a plurality of times.
The stirring rod and the stirring fan blades are of hollow structures, the diameter of the stirring rod is 10cm, a sleeve is arranged in the stirring rod, the number of the stirring fan blades is 4-6, the diameter of the stirring fan blades is 20-30cm, the diameter of an opening at the tail end of each fan blade is 1-2cm, raw materials are directly mixed in the hollow stirring structures, and the mixture is uniformly thrown into the box body from small holes at the tail ends of the stirring fan blades through centrifugal force.
The groove-shaped cantilever beam is connected with the support through the hydraulic lifting device, and the groove-shaped cantilever beam is driven to automatically reciprocate up and down at the same time, so that the hollow stirring structure is driven to move up and down in the stirring box. The lower surface of the groove-shaped cantilever beam is fixed with a hollow stirring structure and a variable frequency motor, and the two sides of the upper surface are provided with a feeding port for raw materials and semi-finished materials. The chute is arranged in the groove type cantilever beam, and the raw materials and the semi-finished materials are injected into the hollow stirring structure through the chute.
The discharge port valve controls the opening and closing of the discharge port at the bottom side of the box body and an automatic feeding system. The semi-finished materials after stirring can be automatically extracted to the cantilever beam automatic feeding hole of the groove type cantilever beam again and injected into the hollow stirring structure, so that multiple times of stirring are realized. Meanwhile, materials remained in the feeding groove and the stirring rod and the stirring fan blades before scouring are improved in material utilization rate.
The utility model has the advantages that:
the utility model discloses an axial of cavity stirring structure rotates and the up-and-down motion, gets rid of the box with the mixture from stirring fan blade's terminal aperture in vivo for stirring speed and efficiency promote, solve the ash problem that plays of stirring initial stage, and the clean environment realizes green stirring. The automatic feeding system realizes multiple stirring of the mixture, and improves the material utilization rate and the stirring effect. The automatic operation of realizing the material loading reduces the human labor cost.
Drawings
FIG. 1 is a schematic structural view of a hollow stirring device for preparing coating of the present invention;
FIG. 2 is a schematic view of a hollow stirring structure.
In the figure: 1-a support; 2-a hydraulic lifting device; 3-a lifting device motor; 4-groove type cantilever beam; 5-cantilever beam feeding port; 6-cantilever beam automatic feed inlet; 7-a chute; 8-a variable frequency motor; 9-toothed belt; 10-hollow stirring rod; 11-stirring fan blades; 12-fan blade end aperture; 13-a stirring box; 14-a discharge hole; 15-a discharge port valve; 16-a hydraulic pump; 17-pump suction pipe.
Detailed Description
In order to further explain the present invention, the following technical solutions of the present invention are fully and specifically described with reference to the accompanying drawings, but they should not be construed as limiting the scope of the present invention. Referring to fig. 1 and 2, in the embodiment of the present invention, a hollow stirring apparatus for paint preparation includes a support 1, a hydraulic lifting device 2 is installed above the support, the lifting device supports a groove-shaped cantilever beam 4, a lifting device motor 3 is connected to the lower end of the lifting device, and the motor controls the lifting of the hydraulic lifting device to drive the groove-shaped cantilever beam to adjust the up-and-down movement stroke. A hollow stirring device for paint preparation is divided into a support, a groove type cantilever beam feeding structure, a hollow stirring structure, a rotating connection system, a box body and an automatic feeding system.
A hydraulic lifting device is arranged above the support, the lifting device supports the groove-shaped cantilever beam, the lower end of the lifting device is connected with a motor, and the motor controls the lifting of the hydraulic lifting device to drive the groove-shaped cantilever beam to move up and down. Cell type cantilever beam supports multiunit cavity stirring structure and rotates connected system, and the cell type cantilever beam left and right sides is equipped with the feed inlet simultaneously, and first raw materials and the semi-finished product after the stirring all reach the cavity stirring structure along the chute through feed inlet separately. The hollow stirring structure consists of a stirring rod and stirring fan blades, and both the stirring rod and the stirring fan blades are hollow structures. The stirring rod is of a hollow cylindrical structure, the material component is 304 steel, the lower end of the stirring rod is connected with stirring fan blades, the upper end of the stirring rod is sleeved with the inner ring of the angular contact thrust bearing in an interference fit mode, and the gravity of the stirring rod and the gravity of the fan blades are borne through the angular bearing. Cell type cantilever beam bottom plate trompil, the installation bearing frame, the bearing frame plays supporting role, connects puddler upper end bearing, and then connects the puddler. The bearing can connect the hollow stirring structure to the groove-shaped cantilever beam bottom plate and realize the relative axial rotation of the stirring rod. The hollow stirring rod is internally provided with a sleeve for filtering raw materials. The rotary connecting system consists of a variable frequency motor and a conveyor belt, and controls the axial rotation of the hollow stirring structure to realize the mixing of the coating. The cavity puddler externally mounted has the toothed belt wheel, and the cavity puddler passes through holding screw (or other connected modes, if the position sleeve, for the axle jump ring etc.) to be connected rather than outside toothed belt wheel, and toothed belt wheel connection toothed belt links to each other the transmission with the motor, avoids the toothed belt to skid and improves transmission efficiency. The during operation motor drives the tooth belt transmission and makes cavity stirring structure axial rotation, then pours into first raw materials and half finished product into cavity stirring structure into, along with puddler and stirring fan blade's rotation, evenly gets rid of the box internal with mix etc. from the terminal aperture of flabellum. The discharge port valve controls the opening and closing of the discharge port at the bottom side of the box body and an automatic feeding system. The automatic feeding system consists of a hydraulic pump and a pump suction pipe, can automatically extract the stirred semi-finished materials to the automatic cantilever beam feeding hole of the groove-shaped cantilever beam again, and injects the semi-finished materials into the hollow stirring structure along the inclined groove to realize mixing again. The coating can be stirred more uniformly after being stirred for many times, and meanwhile, the raw materials and additives remained in the feeding tank, the stirring rod and the stirring fan blades before being washed can be washed away, so that the utilization rate of the materials is improved, the automation degree is high, the energy is saved, the emission is reduced, and the cost is reduced.
As a further aspect of the present invention: the stirring rod and the stirring fan blade are of hollow structures, the diameter of the stirring rod is 10cm, a sleeve is arranged in the stirring rod, the diameter of the sleeve is slightly smaller than that of the stirring rod, the lower surface of the sleeve is of a sieve mesh structure, the aperture range can be adjusted according to different particle diameters of coatings, the upper surface of the sleeve is fixed with the stirring rod in a hoop locking mode, the number of the stirring fan blades is 4-6, the diameter of the stirring fan blades is 20-30cm, the diameter of holes formed in the tail ends of the fan blades is 1-2cm, raw materials are directly mixed in the hollow stirring structure, and a mixture is evenly thrown into.
As a further aspect of the present invention: the hydraulic lifting device is characterized in that the groove-shaped cantilever beam is connected with the support through the hydraulic lifting device, and simultaneously the groove-shaped cantilever beam is driven to automatically reciprocate up and down, so that the hollow stirring structure is driven to move up and down in the stirring box. The lower surface of the groove-shaped cantilever beam is fixed with a hollow stirring structure and a variable frequency motor, and the two sides of the upper surface are provided with a feeding port for raw materials and semi-finished materials.
As a further aspect of the present invention: and the discharge port valve controls opening and closing of a discharge port at the bottom side of the box body and an automatic feeding system. The semi-finished materials after being stirred can be automatically extracted to the cantilever beam automatic feeding hole of the groove-shaped cantilever beam again and injected into the hollow stirring structure, so that the coating can be stirred for many times. Meanwhile, materials remained in the feeding groove and the stirring rod and the stirring fan blades before scouring are improved in material utilization rate.
The cell type cantilever beam is the steel construction, and the cross section is U type channel-section steel shape, and the bottom plate trompil, two sets of cavity stirring structures of trompil department connection and support and rotate connected system, and the cell type cantilever beam left and right sides is equipped with the feed inlet simultaneously. Starting a lifting device motor 3 (motor model MP series) and a variable frequency motor 8 (motor model YD 132M), driving a groove type cantilever beam 4 to move up and down and a toothed belt wheel to move, so that the hollow stirring structure moves up and down and rotates axially, then injecting primary raw materials from a cantilever beam feeding port 5, enabling the raw materials to enter two groups of hollow stirring structures along a chute 7, placing a sleeve in a hollow stirring rod 10 for filtering the raw materials, enabling the raw materials to rotate along with the hollow stirring rod and stirring fan blades 11, and enabling the raw materials to rotate and uniformly throw mixture and the like into a stirring box 13 from small holes 12 at the tail ends of the hollow fan blades under the action of gravity and centrifugal force. In the whole stirring process, the discharge port valve 15 and the hydraulic pump 16 are always in a closed state. The discharge port valve 15 controls the opening and closing of the discharge port 14 at the bottom side of the box body. And (3) after the primary mixture completely sinks into the stirring box body, opening an automatic feeding system consisting of a discharge port valve 15, a hydraulic pump 16 and a pump suction pipe 17. Opening a discharge port valve, opening a discharge port at the bottom of the box, opening a hydraulic pump, pumping the stirred semi-finished product into a pump suction pipe by the hydraulic pump, further entering an automatic cantilever beam feeding port 6, and injecting two groups of hollow stirring structures along a chute 7 to realize stirring again; and the raw materials and additives which can remain in the feeding tank, the stirring rod and the stirring fan blades before scouring are mixed again, so that the utilization rate of the materials is improved, the automation degree is high, the energy is saved, the emission is reduced, and the cost is reduced. After stirring many times accords with ejection of compact quality requirement, treat that the mix is whole to sink to the agitator tank in, open the discharge gate valve, close the hydraulic pump, disconnection box and automatic feeding system, finished product mix flows out the use, can make the coating stirring more even after stirring many times, production effect is better.
Claims (7)
1. A coating preparation cavity agitated vessel which characterized in that: the equipment comprises a support (1), a hydraulic lifting device (2), a lifting device motor (3), a groove-shaped cantilever beam (4), a cantilever beam feeding port (5), a cantilever beam automatic feeding port (6), a chute (7), a variable frequency motor (8), a toothed belt (9), a hollow stirring rod (10), stirring fan blades (11), a fan blade terminal small hole (12), a stirring box (13), a discharging port (14) and a pump suction pipe (17), wherein the hydraulic lifting device (2) is arranged above the support (1), the hydraulic lifting device (2) is connected with the lifting device motor (3), the hydraulic lifting device (2) is connected with one side of the groove-shaped cantilever beam (4), the bottom of the groove-shaped cantilever beam (4) is connected with a hollow stirring structure through a bearing, the hollow stirring structure comprises the hollow stirring rod (10) and the hollow stirring fan blades (11), the variable frequency motor is further arranged at the bottom of the groove-shaped cantilever, the variable frequency motor is connected with the hollow stirring rod (10) through a toothed belt (9), the hollow stirring structure is arranged in the stirring box (13), a discharge hole (14) is formed in the side edge of the lower portion of the stirring box (13), the discharge hole (14) is connected with a pump suction pipe (17), and the end portion of the pump suction pipe (17) is arranged above the groove-shaped cantilever beam (4).
2. The paint preparation hollow mixing apparatus of claim 1, wherein: the stirring rod (10) and the stirring fan blades (11) are of hollow structures, the diameter of the stirring rod (10) is 10cm, the number of the stirring fan blades (11) is 4-6, the diameter of the stirring fan blades is 20-30cm, and the diameter of openings at the tail ends of the fan blades is 1-2 cm.
3. The paint preparation hollow mixing apparatus of claim 1, wherein: the left and right sides of cell type cantilever beam (4) are equipped with the feed inlet, cell type cantilever beam (4) feed inlet is the chute structure.
4. A paint preparation hollow mixing apparatus as claimed in claim 1 or claim 2, wherein: be equipped with the sleeve in the hollow puddler, the sleeve is the cylindrical structure that the diameter is less than the puddler diameter, and the lower surface is the sieve mesh structure.
5. The paint preparation hollow mixing apparatus of claim 1, wherein: and a toothed belt wheel is arranged outside the hollow stirring rod (10), and the variable frequency motor is connected with the toothed belt wheel through a toothed belt.
6. The paint preparation hollow mixing apparatus of claim 1, wherein: and a discharge port valve (15) and a hydraulic pump (16) are arranged on the pump suction pipe (17).
7. The paint preparation hollow mixing apparatus of claim 1, wherein: the discharge hole (14) is detachably connected with the pump suction pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268404.3U CN210495973U (en) | 2019-08-07 | 2019-08-07 | Coating preparation cavity agitated vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268404.3U CN210495973U (en) | 2019-08-07 | 2019-08-07 | Coating preparation cavity agitated vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210495973U true CN210495973U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921268404.3U Expired - Fee Related CN210495973U (en) | 2019-08-07 | 2019-08-07 | Coating preparation cavity agitated vessel |
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| Country | Link |
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| CN (1) | CN210495973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339743A (en) * | 2019-08-07 | 2019-10-18 | 沈阳工业大学 | A kind of coating preparation hollow stirrer equipment |
-
2019
- 2019-08-07 CN CN201921268404.3U patent/CN210495973U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339743A (en) * | 2019-08-07 | 2019-10-18 | 沈阳工业大学 | A kind of coating preparation hollow stirrer equipment |
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| 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: 20200512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |