CN110803402B - Emulsifier storage jar of conveniently taking - Google Patents
Emulsifier storage jar of conveniently taking Download PDFInfo
- Publication number
- CN110803402B CN110803402B CN202010015819.0A CN202010015819A CN110803402B CN 110803402 B CN110803402 B CN 110803402B CN 202010015819 A CN202010015819 A CN 202010015819A CN 110803402 B CN110803402 B CN 110803402B
- Authority
- CN
- China
- Prior art keywords
- emulsifier
- plate
- frame
- tank body
- sliding groove
- 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.)
- Active
Links
- 239000003995 emulsifying agent Substances 0.000 title claims abstract description 64
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 9
- 239000000839 emulsion Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Colloid Chemistry (AREA)
Abstract
The invention discloses an emulsifier storage tank convenient to take and use, and relates to the technical field of storage tanks. The invention comprises a tank body, wherein the top end of the tank body is in threaded connection with a top cover, a limiting plate is fixed on the inner wall of the tank body, a flow outlet pipe is arranged on the peripheral side surface of the tank body, a sliding groove is formed in the limiting plate and communicated with the flow outlet pipe, an extraction frame is in sliding fit in the sliding groove, two opposite inner side surfaces of the sliding groove are respectively provided with an inflow hole, the bottom end of the sliding groove is communicated with a down flow pipe and two symmetrically arranged side flow pipes, and an impeller is in rotating fit; the drawing frame comprises a main frame and an auxiliary frame, the auxiliary frame is arranged on the main frame in a sliding fit mode, a clamping device is arranged on the top end face of the main frame, a bottom plate is fixed to the bottom end of the main frame, the auxiliary frame comprises a pressing plate and a supporting plate, and a round rod is arranged between the pressing plate and the supporting plate. According to the invention, the emulsifier in the tank is disturbed by sliding the main frame downwards, so that the viscosity of the emulsifier is reduced, and the measuring difficulty of the emulsifier is reduced.
Description
Technical Field
The invention belongs to the technical field of storage tanks, and particularly relates to an emulsifier storage tank convenient to take and use.
Background
The emulsifier is a substance capable of improving the surface tension between various constituent phases in the emulsion to form a uniform and stable dispersion system or emulsion, and the emulsifier is a surface active substance and has both hydrophilic groups and lipophilic groups in the molecule, which are aggregated on an oil/water interface to reduce the interfacial tension and the energy required to form the emulsion, thereby increasing the energy of the emulsion; nowadays, there is an increasing demand for emulsifier storage tanks.
Most of traditional emulsifier storage tanks are of a barreled structure, emulsifier is contained in a plastic barrel, and then the emulsifier is sealed by a screw cap, so that the storage effect is poor, the emulsifier is usually emulsion-shaped, the emulsifier is very inconvenient to take and use, splashing and waste are easily caused, and the using amount of the emulsifier in taking and using is not easy to master; moreover, the emulsifier is stored in the storage tank for a long time, so that the viscosity of the emulsifier is influenced, and the emulsifier is changed into slurry and is difficult to take.
Disclosure of Invention
The invention aims to provide an emulsifier storage tank convenient to take and use, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an emulsifier storage tank convenient to take and use, which comprises a tank body, wherein the top end of the tank body is in threaded connection with a top cover, a limiting plate is fixed on the inner wall of the tank body, a flow outlet pipe is arranged on the peripheral side surface of the tank body, a sliding groove is formed in the limiting plate and is communicated with the flow outlet pipe, an extraction frame is in sliding fit in the sliding groove, inflow holes are formed in two inner side surfaces of the sliding groove, the bottom end of the sliding groove is communicated with a down flow pipe and two symmetrically arranged side flow pipes, and an impeller is in rotating fit on the inner bottom surface of the; the drawing frame comprises a main frame and an auxiliary frame, the auxiliary frame is matched with the main frame in a sliding mode, a clamping device is arranged on the top end face of the main frame, a bottom plate is fixed to the bottom end of the main frame, the peripheral side face of the bottom plate is matched with the inner wall of the sliding groove in a sliding mode, the auxiliary frame comprises a pressing plate and a supporting plate, a round rod is arranged between the pressing plate and the supporting plate, and the peripheral side face of the pressing plate is matched with the inner wall of the sliding groove in a sliding mode; by reducing the bottom plate and the pressing plate in the extraction frame, the emulsifier in the chute is pressed to be discharged from the inflow hole, the downpipe and the lateral flow pipe, the emulsifier fluid at the bottom in the tank body is disturbed, the viscosity of the emulsifier is reduced, and the emulsifier is convenient to take and use; through the cooperation of bottom plate, clamp plate and spout inner wall, can form the cavity, through control bottom plate, clamp plate interval, confirm the dosage of emulsifier.
Further, a water outlet at the bottom end of the downpipe is flush with blades of the impeller; the emulsifier discharged through the downpipe drives the impeller to rotate, and the emulsifier at the bottom in the tank body is further disturbed.
Further, the cross section of the sliding groove is of a fan-shaped structure.
Further, the bottom plate and the pressing plate have the same structural characteristics and are both fan-shaped structures.
Furthermore, scales are arranged on the peripheral side face of the round rod, and the distance between the bottom plate and the pressing plate is determined through the scales, so that the volume of the extracted emulsifier of the extraction rack is determined.
Further, clamping device includes two splint and separation board, two splint set up about the pole symmetry, the top normal running fit of separation board and body frame, after the interval of bottom plate and clamp plate is confirmed, through the fixed pole of two splint for the relative position of body frame and auxiliary frame is fixed.
Furthermore, the top end of the tank body is provided with symmetrically arranged handles.
Furthermore, the lateral flow pipe is an arc pipe, and the curvatures of the lateral flow pipe and the inner wall of the tank body are equal.
The invention has the following beneficial effects:
according to the invention, the extracting frame is arranged, the bottom plate and the pressure plate are driven to descend by pressing the supporting plate downwards, the emulsifier in the chute is pressed to be discharged from the inflow hole, the downpipe and the lateral flow pipe, the emulsifier fluid at the bottom in the tank body is disturbed, the viscosity of the emulsifier is reduced, and the emulsifier is convenient to take; the impeller is arranged, and the emulsifier discharged through the downpipe flushes the impeller to cause the impeller to rotate and drive the emulsifier at the bottom in the tank body to disturb; through the cooperation of bottom plate, clamp plate and spout inner wall, form the cavity, through the interval between control bottom plate, the clamp plate, confirm the dosage of emulsifier.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an emulsifier storage tank of the present invention for easy access;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a cross-sectional view of a can body;
FIG. 4 is a schematic structural view of the extraction rack;
FIG. 5 is a schematic view of the construction of the main frame;
FIG. 6 is a schematic structural view of the auxiliary frame;
in the drawings, the components represented by the respective reference numerals are listed below:
1-tank body, 2-limit plate, 3-chute, 4-outlet pipe, 5-extraction frame, 6-inlet hole, 7-down pipe, 8-side flow pipe, 9-impeller, 10-main frame, 11-auxiliary frame, 12-clamping device, 13-top cover, 14-bottom plate, 15-pressing plate, 16-supporting plate, 17-clamping plate, 18-blocking plate and 19-round rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention relates to an emulsifier storage tank convenient to take and use, which comprises a tank body 1, emulsifier is stored in the tank body 1, the top end of the tank body 1 is in threaded connection with a top cover 13, a limiting plate 2 is fixed on the inner wall of the tank body 1, a flow outlet pipe 4 is arranged on the peripheral side surface of the tank body 1, a sliding groove 3 is formed in the limiting plate 2, the cross section of the sliding groove 3 is of a fan-shaped structure, the sliding groove 3 is communicated with the flow outlet pipe 4, an extraction frame 5 is in sliding fit in the sliding groove 3, two inner side surfaces of the sliding groove 3 are respectively provided with an inflow hole 6, the bottom end of the sliding groove 3 is communicated with a down pipe 7 and.
The extraction frame 5 comprises a main frame 10 and an auxiliary frame 11, the auxiliary frame 11 is matched on the main frame 10 in a sliding mode, a clamping device 12 is arranged on the top end face of the main frame 10, a bottom plate 14 is fixed to the bottom end of the main frame 10, the peripheral side face of the bottom plate 14 is matched with the inner wall of the sliding groove 3 in a sliding mode, the auxiliary frame 11 comprises a pressing plate 15 and a supporting plate 16, a round rod 19 is arranged between the pressing plate 15 and the supporting plate 16, and the peripheral side face of the pressing plate 15 is matched with the inner wall of; the bottom plate 14 and the pressing plate 15 have the same structural characteristics and are both fan-shaped.
By lowering the bottom plate 14 and the pressure plate 15 in the extraction frame 5, the emulsifier in the chute 3 is pressed to be discharged from the inflow hole 6, the downpipe 7 and the lateral flow pipe 8, the emulsifier fluid at the bottom in the tank body 1 is disturbed, the viscosity of the emulsifier is lowered, and the emulsifier is convenient to take; through the cooperation of bottom plate 14, clamp plate 15 and spout 3 inner wall, can form the cavity, through controlling bottom plate 14, clamp plate 15 interval, confirm the dosage of emulsifier.
Wherein, the water outlet at the bottom end of the downpipe 7 is flush with the blades of the impeller 9; the emulsifier discharged through the down flow pipe 7 drives the impeller 9 to rotate, and the emulsifier at the bottom in the tank body 1 is further disturbed.
Wherein, the peripheral side of the round rod 19 is provided with a scale, and the distance between the bottom plate 14 and the pressure plate 15 is determined through the scale, thereby determining the volume of the extracted emulsifier of the extraction frame 5.
Wherein, clamping device 12 includes two splint 17 and separation board 18, and two splint 17 set up about round bar 19 symmetry, and separation board 18 and the top normal position of body frame 10 normal running fit, after the interval of bottom plate 14 and clamp plate 15 is confirmed, through two splint 17 fixed round bar 19 for the relative position of body frame 10 and auxiliary frame 11 is fixed.
Wherein, the top of the tank body 1 is provided with symmetrically arranged handles.
Wherein, the lateral flow pipe 8 is an arc pipe, and the curvature of the lateral flow pipe 8 is equal to the curvature of the inner wall of the tank body 1.
One specific application of this embodiment is:
1. the pressing plate 15 is positioned at the inner bottom of the chute 3, the bottom plate 14, the pressing plate 15 and the inner wall of the chute 3 are matched to form a cavity, the blocking plate 18 is rotated, the clamping device 12 does not clamp the round rod 19 any more, the bottom plate 14 moves upwards by pulling the supporting plate 16 upwards, and the emulsifier in the tank body 1 is sucked through the inflow hole 6; the blocking plate 18 is rotated again, so that the clamping device 12 clamps the round bar 19, the supporting plate 16 is lifted, the extraction rack 5 moves upwards, and the emulsifier in the cavity is conveyed to the outlet pipe 4 and discharged.
2. The extraction frame 5 is positioned at the inner top end of the chute 3, and the emulsifier in the tank body 1 enters the chute 3 from the inflow hole 6 due to pressure; at this moment, the clamping device 12 clamps the round rod 19, the bottom plate 14 and the pressing plate 15 are relatively fixed, the supporting plate 16 is pressed downwards, the whole extracting frame 5 slides downwards along the inner wall of the sliding groove 3, the pressing plate 15 in the extracting frame 5 moves downwards, the emulsifier in the sliding groove 3 is pressed into the tank body 1 from the inflow hole 6, the downward pipe 7 and the lateral flow pipe 8, the impeller 9 at the bottom in the tank body 1 is driven by the emulsifier discharged from the downward pipe 7 to rotate, the emulsifier at the bottom in the tank body 1 is disturbed by the impeller 9, and the emulsifier discharged from the inflow hole 6 and the lateral flow pipe 8 can also disturb the emulsifier in the tank body 1, so that the viscosity of the emulsifier in the tank body 1 is reduced, and the measuring of the.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an emulsifier storage jar of conveniently taking, includes jar body (1), its characterized in that: the top end of the tank body (1) is in threaded connection with a top cover (13), the side surfaces of the tank body (1) are provided with a flow outlet pipe (4), a limiting plate (2) is fixed on the inner wall of the tank body (1), a sliding groove (3) is formed in the limiting plate (2), the sliding groove (3) is communicated with the flow outlet pipe (4), an extraction frame (5) is in sliding fit in the sliding groove (3), the two inner side surfaces of the sliding groove (3) are provided with flow inlet holes (6), the bottom end of the sliding groove (3) is communicated with a down flow pipe (7) and two symmetrically arranged side flow pipes (8), and an impeller (9) is rotationally matched on the inner bottom surface of the tank body (1); extraction frame (5) are including body frame (10) and auxiliary frame (11), sliding fit has auxiliary frame (11) on body frame (10), body frame (10) top terminal surface is provided with clamping device (12), body frame (10) bottom mounting has bottom plate (14), the week side and spout (3) inner wall sliding fit of bottom plate (14), auxiliary frame (11) are including clamp plate (15) and layer board (16), be equipped with round bar (19) between clamp plate (15) and layer board (16), the week side and spout (3) inner wall sliding fit of clamp plate (15).
2. A conveniently accessible emulsifier storage tank as claimed in claim 1, characterized in that the outlet at the bottom end of the downpipe (7) is flush with the blades of the impeller (9).
3. A conveniently accessible storage tank for emulsifier according to claim 1, characterized in that the cross-section of the chute (3) is of fan-shaped configuration.
4. A conveniently accessible emulsifier storage tank as claimed in claim 1, characterized in that the bottom plate (14) and the pressure plate (15) have the same structural characteristics.
5. A conveniently accessible emulsifier storage tank as claimed in claim 1, characterized in that the circumferential side of the rod (19) is provided with graduations.
6. A conveniently accessible emulsifier storage tank as claimed in claim 1, wherein said clamping means (12) comprises two clamping plates (17) and a blocking plate (18), said two clamping plates (17) being symmetrically arranged about a circular rod (19), said blocking plate (18) being rotatably fitted to the top end of the main frame (10).
7. An emulsifier storage tank convenient for taking and using as claimed in claim 1, wherein the top end of the tank body (1) is provided with symmetrically arranged handles.
8. An emulsifier storage tank convenient for taking and using according to claim 1, characterized in that the side flow pipe (8) is an arc pipe, and the curvature of the side flow pipe (8) is equal to that of the inner wall of the tank body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010015819.0A CN110803402B (en) | 2020-01-08 | 2020-01-08 | Emulsifier storage jar of conveniently taking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010015819.0A CN110803402B (en) | 2020-01-08 | 2020-01-08 | Emulsifier storage jar of conveniently taking |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110803402A CN110803402A (en) | 2020-02-18 |
CN110803402B true CN110803402B (en) | 2020-04-24 |
Family
ID=69493399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010015819.0A Active CN110803402B (en) | 2020-01-08 | 2020-01-08 | Emulsifier storage jar of conveniently taking |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110803402B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102482024A (en) * | 2009-06-18 | 2012-05-30 | 苏舍米克斯帕克有限公司 | Multicomponent cartridge with venting apparatus |
CN102753441A (en) * | 2009-12-22 | 2012-10-24 | 苏舍米克斯帕克有限公司 | Piston setting device, a system comprising such a device and method for setting a piston in a cartridge |
CN209441933U (en) * | 2019-01-17 | 2019-09-27 | 广州市天时制罐实业有限公司 | A kind of poly-putty base side's tank with bearing function |
CN209796404U (en) * | 2019-04-03 | 2019-12-17 | 浙江杰楠环保科技有限公司 | Storage tank for composite raw materials |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201202101A (en) * | 2010-07-01 | 2012-01-16 | guo-zhong Fang | Pressing type storage container |
-
2020
- 2020-01-08 CN CN202010015819.0A patent/CN110803402B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102482024A (en) * | 2009-06-18 | 2012-05-30 | 苏舍米克斯帕克有限公司 | Multicomponent cartridge with venting apparatus |
CN102753441A (en) * | 2009-12-22 | 2012-10-24 | 苏舍米克斯帕克有限公司 | Piston setting device, a system comprising such a device and method for setting a piston in a cartridge |
CN209441933U (en) * | 2019-01-17 | 2019-09-27 | 广州市天时制罐实业有限公司 | A kind of poly-putty base side's tank with bearing function |
CN209796404U (en) * | 2019-04-03 | 2019-12-17 | 浙江杰楠环保科技有限公司 | Storage tank for composite raw materials |
Also Published As
Publication number | Publication date |
---|---|
CN110803402A (en) | 2020-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102644262A (en) | Buoy-type weir oil recovery device | |
CN110803402B (en) | Emulsifier storage jar of conveniently taking | |
CN203173865U (en) | Tendril submerging type floating oil collecting device | |
CN203402919U (en) | Quantitative solution adding device | |
CN206787851U (en) | A kind of sewage harvester | |
CN210570886U (en) | A metering detection device for taking liquid metering | |
CN209663621U (en) | A kind of modified bituminous pitch coiled material immersion oil system with oil absorptive function | |
CN206843175U (en) | A kind of gas stripping type sludge refluxing apparatus suitable for small-sized sewage treating system | |
CN207856396U (en) | The automatic draw-out device of supernatant | |
CN108640183A (en) | A kind of water cleaning systems of project of transmitting and converting electricity construction personnel dormitory | |
CN2449264Y (en) | Spiral type liquid level regulator | |
CN2659982Y (en) | Self-suction water feeder | |
CN212269566U (en) | Water distribution device of biochemical pool | |
CN211097710U (en) | Triple-effect thickener for evaporating wastewater | |
CN214880191U (en) | Polycarboxylate superplasticizer single-tube multi-liquid storage and distribution system | |
CN213314330U (en) | Ceramic membrane filter equipment is retrieved again to traditional chinese medicine extraction tank substrate | |
CN217211631U (en) | Surface water quantity monitoring device | |
CN110711411A (en) | Thickener for treating triple-effect wastewater | |
CN214143901U (en) | Intelligent water replenishing system | |
CN221193546U (en) | Pump station forebay fairing for improving water distribution uniformity | |
CN208008908U (en) | Degreasing bath floating object cleaning device | |
CN217887017U (en) | Rectification unit of 2-methyltetrahydrofuran | |
CN221738796U (en) | A kind of anti-water accumulation inner floating plate | |
CN217724619U (en) | Rotary evaporator convenient for feeding and discharging | |
CN214293754U (en) | Slurry storage and stirring device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |