CN215665121U - Wet-mixed mortar additive storage tank - Google Patents

Wet-mixed mortar additive storage tank Download PDF

Info

Publication number
CN215665121U
CN215665121U CN202122064185.0U CN202122064185U CN215665121U CN 215665121 U CN215665121 U CN 215665121U CN 202122064185 U CN202122064185 U CN 202122064185U CN 215665121 U CN215665121 U CN 215665121U
Authority
CN
China
Prior art keywords
fixedly connected
groups
wet
tank body
shaped sliding
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
Application number
CN202122064185.0U
Other languages
Chinese (zh)
Inventor
华磊
邓乾展
饶文硕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Fusheng New Material Co ltd
Original Assignee
Nanjing Fusheng New Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Fusheng New Material Co ltd filed Critical Nanjing Fusheng New Material Co ltd
Priority to CN202122064185.0U priority Critical patent/CN215665121U/en
Application granted granted Critical
Publication of CN215665121U publication Critical patent/CN215665121U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

The utility model discloses a storage tank for wet-mixed mortar admixture, which comprises a tank body and a connecting pipe, wherein the front side and the rear side of the lower end of the tank body are separately and fixedly connected with T-shaped sliding strips, two groups of T-shaped sliding strips are connected in T-shaped sliding grooves in a sliding manner, two groups of T-shaped sliding grooves are formed in the front side and the rear side of the upper end of a base, two groups of sliding grooves are respectively formed in the middle parts of the left end and the right end of the connecting pipe, the other end of a third connecting plate is movably connected to the middle part of the left end of a fourth connecting plate, and the upper ends of the two groups of fourth connecting plates are respectively and movably connected in the lower ends of one group of first connecting plates; insert to the jar internal through the charge door with first connecting plate and the fourth connecting plate after the shrink is accomplished, the joint ear joint that the bearing both ends are connected simultaneously in the joint inslot, can play the effect that stirs the admixture of jar internal through rotating the hand wheel this moment, the accessible will clean the sponge centre gripping between two sets of centre gripping to through rotating the hand wheel in order to beat the effect of the internal wall of clearance jar, labour saving and time saving.

Description

Wet-mixed mortar additive storage tank
Technical Field
The utility model relates to the technical field of storage tanks, in particular to a storage tank for wet-mixed mortar admixture.
Background
The admixture is a chemical substance which is added in the process of stirring the concrete and accounts for less than 5 percent of the mass of the cement, and can obviously improve the performance of the concrete. With the continuous progress of science and technology, the admixture has been applied more and more, and the admixture becomes the 5 th important component of concrete except 4 basic components; the admixture deposits the phenomenon easily for a long time in the holding vessel, has reduced the result of use of admixture, and simultaneously after the admixture has used up, operating personnel often is more troublesome when clearing up the admixture holding vessel, wastes time and energy, for this reason, we propose a wet-mixed mortar admixture holding vessel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a storage tank for an additive of wet-mixed mortar, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a wet-mixed mortar additive storage tank comprises a tank body and connecting pipes, wherein the front side and the rear side of the lower end of the tank body are fixedly connected with T-shaped sliding strips in a separated mode, two groups of T-shaped sliding strips are connected in T-shaped sliding grooves in a sliding mode, two groups of T-shaped sliding grooves are formed in the front side and the rear side of the upper end of a base, springs are fixedly connected to the left end and the right end of each T-shaped sliding groove respectively, the other ends of the two groups of springs are fixedly connected to the left end and the right end of each T-shaped sliding strip respectively, a charging opening is formed in the middle of the upper end of the tank body, a clamping opening is formed in the upper end of the charging opening, clamping grooves are formed in the left end and the right end of each clamping opening respectively, an end cover is screwed in the charging opening, supporting legs are fixedly connected to the periphery of the lower end of the base respectively, universal wheels are fixedly connected to the lower ends of the four groups of the supporting legs respectively, lifting rings are fixedly connected to lifting rings respectively, the periphery of the upper end of the tank body is arranged at equal intervals, the four groups of the lifting rings can be used for fixing ropes when the tank body is required to be transported, the constructor can conveniently and quickly lift the tank body;
the connecting rod is movably connected in the connecting pipe in a sliding manner, a limiting block is fixedly sleeved at the upper end of the connecting rod after the upper end of the connecting rod extends out of the connecting pipe, a hand wheel is fixedly connected at the upper end of the connecting rod, first connecting lugs are fixedly connected to the lower sides of the left end and the right end of the connecting pipe respectively, first connecting plates are movably connected in the two groups of the first connecting lugs, second connecting plates are movably connected in the middle of the upper ends of the two groups of the first connecting plates respectively, and the upper ends of the two groups of the second connecting plates extend into sliding grooves and are movably connected in the left end and the right end of the connecting rod respectively;
two sets of the spout is seted up respectively in the middle part of the left and right ends of connecting pipe, the left and right ends downside of connecting rod is fixedly connected with second engaging lug respectively, and is two sets of swing joint has the third connecting plate respectively in the second engaging lug, third connecting plate other end swing joint is in fourth connecting plate left end middle part, and is two sets of fourth connecting plate upper end swing joint is respectively in a set of first connecting plate lower extreme, and is two sets of the connection spout has been seted up respectively in the fourth connecting plate outside, install splint through two sets of bolts in the connection spout, splint can be when needing to clear up jar internal wall, are used for centre gripping clearance sponge etc. make things convenient for the operator to clear up jar internal inner wall fast.
The fixed cover of connecting pipe upside has connect the bearing, the end fixedly connected with joint ear respectively about the bearing, through with the bearing joint in the joint mouth, the joint ear joint that the bearing both ends are connected simultaneously is in the joint inslot, and the connecting pipe is installed in jar body top this moment, end cover lower extreme outside fixedly connected with rubber seal, the sealing washer joint groove has been seted up to jar body upper end, and when the end cover was connected in the feed inlet by the spiro union, but the rubber seal that lies in the end cover lower extreme this moment joint is at the sealing washer joint inslot, and its effect leads to the admixture rotten when can preventing that outside air from getting into to jar internal, influences its result of use additive.
The material pipe is arranged to fixedly connected with in jar body left end downside, arrange material pipe middle part fixed connection in the stop valve, arrange the material and manage the right-hand member in the joint have a end cover, when jar internal additive is taken out to needs, the stop valve is opened to the accessible this moment and the additive flows, and the end cover that lies in simultaneously row material pipe right-hand member in the joint also can play the effect that prevents outside air entering to jar internal.
The tank body is fixedly connected with a reinforcing layer, the reinforcing layer comprises winding yarns which are wound with each other, resin is coated on the surfaces of the winding yarns, the strength of a fabric layer made of the winding yarns can be improved, and leakage can be prevented through the resin, an anticorrosive layer is fixedly connected to the outer side of the reinforcing layer, and the anticorrosive layer can play a role in isolating the condition that the additive corrodes the tank body.
Compared with the prior art, the utility model has the beneficial effects that: insert to the internal of jar through the charge door through first connecting plate and the fourth connecting plate after accomplishing the shrink, the joint ear joint that the bearing both ends are connected simultaneously is in the joint inslot, press down the hand wheel this moment and make first connecting plate and fourth connecting plate opened, can play the effect of stirring the internal admixture of jar through rotating the hand wheel this moment, improve the result of use of admixture, simultaneously when needs clear up jar internal wall, the accessible will clean the sponge centre gripping between two sets of centre grippings, and through rotating the hand wheel in order to beat the effect of the internal wall of clearance jar, time saving and labor saving.
Drawings
FIG. 1 is a schematic cross-sectional view of a tank according to the present invention;
FIG. 2 is a schematic sectional view showing the connection between the tank and the connecting pipe according to the present invention;
FIG. 3 is a schematic perspective view of the connection relationship between the connection tube and the first connection plate according to the present invention;
FIG. 4 is a schematic sectional view of the connection between the tank and the end cap according to the present invention;
fig. 5 is a schematic perspective view of the end cap of the present invention.
In the figure: 1. a tank body; 2. a reinforcing layer; 3. an anticorrosive layer; 4. a hoisting ring; 5. an end cap; 6. a card interface; 7. a clamping groove; 8. a rubber seal ring; 9. the sealing ring is clamped in the groove; 10. a feed inlet; 11. a T-shaped chute; 12. supporting legs; 13. a universal wheel; 14. a spring; 15. a T-shaped slide bar; 16. a base; 17. sealing the end cap; 18. a stop valve; 19. a discharge pipe; 20. a hand wheel; 21. a connecting pipe; 22. a bolt; 23. a connecting rod; 24. a chute; 25. a second connecting plate; 26. a first connecting plate; 27. a first connecting lug; 28. a second engaging lug; 29. a fourth connecting plate; 30. a third connecting plate; 31. a bearing; 32. a limiting block; 33. clamping the lug; 34. a splint; 35. and a connecting chute.
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. 1-5, the present invention provides a technical solution: a wet-mixed mortar admixture storage tank comprises a tank body 1 and a connecting pipe 21, wherein the front side and the rear side of the lower end of the tank body 1 are fixedly connected with T-shaped sliding strips 15 in a separated mode, two groups of T-shaped sliding strips 15 are connected in a sliding mode in T-shaped sliding grooves 11, two groups of T-shaped sliding grooves 11 are arranged on the front side and the rear side of the upper end of a base 16, springs 14 are fixedly connected to the left end and the right end of each T-shaped sliding groove 11 respectively, the other ends of the two groups of springs 14 are fixedly connected to the left end and the right end of each T-shaped sliding strip 15 respectively, a feed opening 10 is formed in the middle of the upper end of the tank body 1, a clamping opening 6 is formed in the upper end of each feed opening 10, clamping grooves 7 are formed in the left end and the right end of each clamping opening 6, and end covers 5 are connected in the feed openings 10 in a threaded mode;
a connecting rod 23 is movably connected in the connecting pipe 21 in a sliding manner, a limiting block 32 is fixedly sleeved at the upper end of the connecting rod 23 after the upper end of the connecting rod extends out of the connecting pipe 21, a hand wheel 20 is fixedly connected at the upper end of the connecting rod 23, first connecting lugs 27 are respectively and fixedly connected to the lower sides of the left end and the right end of the connecting pipe 21, first connecting plates 26 are movably connected in the two groups of first connecting lugs 27, second connecting plates 25 are respectively and movably connected in the middle of the upper ends of the two groups of first connecting plates 26, and the upper ends of the two groups of second connecting plates 25 are respectively and movably connected in the left end and the right end of the connecting rod 23 after extending into a sliding groove 24;
two sets of spout 24 is seted up respectively in the middle part of controlling the end of connecting pipe 21, end downside is fixedly connected with second engaging lug 28 respectively about connecting rod 23, and is two sets of swing joint has third connecting plate 30 in the second engaging lug 28 respectively, third connecting plate 30 other end swing joint is in fourth connecting plate 29 left end middle part, and is two sets of fourth connecting plate 29 upper end swing joint is in a set of first connecting plate 26 lower extreme respectively.
The fixed cover of connecting pipe 21 upside has connect bearing 31, end fixedly connected with joint ear 33 respectively about bearing 31, through with bearing 31 joint in joint mouth 6, joint ear 33 joint in joint groove 7 that bearing 31 both ends are connected simultaneously, connecting pipe 21 is installed in jar body 1 top this moment.
5 lower extreme outside fixedly connected with rubber seal 8 of end cover, sealing washer joint groove 9 has been seted up to 1 upper end of the jar body, and when end cover 5 was by the spiro union in charge door 10, but 8 joint of rubber seal that lie in 5 lower extremes of end cover this moment are in sealing washer joint groove 9, and its effect leads to the admixture to deteriorate when can preventing that outside air from getting into to jar body 1, influences its result of use.
The material pipe 19 is arranged to fixedly connected with in the 1 left end downside of jar body, arrange material pipe 19 middle part fixed connection in stop valve 18, it has end cover 17 to arrange the joint in the material pipe 19 right-hand member, when the additive in jar body 1 was taken out to needs, the accessible was opened stop valve 18 and is made the additive flow out this moment, and end cover 17 that lies in simultaneously row material pipe 19 right-hand member joint also can play the effect that prevents the outside air and get into jar body 1.
Two sets of connecting spout 35 has been seted up respectively in the fourth connecting plate 29 outside, install splint 34 through two sets of bolts 22 in the connecting spout 35, splint 34 can be when needs clear up jar body 1 inner wall, be used for the centre gripping to clear up sponge etc. makes things convenient for the operator to clear up the inner wall in jar body 1 fast.
The four sides of the lower end of the base 16 are respectively and fixedly connected with supporting legs 12, the lower ends of the four groups of supporting legs 12 are respectively and fixedly connected with universal wheels 13, the specific model of each universal wheel 13 is C322SD, each universal wheel 13 is a so-called movable caster wheel, the structure of each universal wheel allows horizontal 360-degree rotation, the caster wheels are generally called as a whole and comprise a movable caster wheel and a fixed caster wheel, each fixed caster wheel has no rotating structure, the caster wheels cannot rotate horizontally and can only rotate vertically, the two caster wheels are generally matched, and for example, the structure of the trolley is two fixed wheels in the front.
The lifting rings 4 are fixedly connected to the periphery of the upper end of the tank body 1 respectively, the four groups of lifting rings 4 are arranged at equal intervals, the four groups of lifting rings 4 can be used for fixing binding ropes when the tank body 1 needs to be transported, and a constructor can conveniently and quickly lift the tank body 1.
The tank body is characterized in that a reinforcing layer 2 is fixedly connected in the tank body 1, the reinforcing layer 2 comprises winding yarns which are wound with each other, resin is coated on the surfaces of the winding yarns, a fabric layer made of the winding yarns can improve strength and prevent leakage through the resin, an anticorrosive layer 3 is fixedly connected to the outer side of the reinforcing layer 2, and the anticorrosive layer 3 can isolate the condition that the tank body 1 is corroded by an additive.
Specifically, during use, the tank body 1 can be lifted to a proper position through the lifting ring 4, meanwhile, the tank body 1 can also be moved to a proper position through the four groups of universal wheels 13, an additive is added into the tank body 1 through the feed inlet 10, at the moment, the end cover 5 is screwed into the feed inlet 10, when the additive needs to be taken out after being stored for a long time, the end cover 5 is opened, the first connecting plate 26 and the fourth connecting plate 29 after being contracted are inserted into the tank body 1 through the feed inlet 10, the connecting pipe 21 is fixed by clamping the bearing 31 into the clamping port 6 and clamping the clamping lug 33 into the clamping groove 7,
at this time, the connecting rod 23 moves downwards along the connecting pipe 21 by pressing the hand wheel 20, the connecting rod 23 moves downwards to lift the second connecting plates 25 movably connected at the two ends upwards, the two groups of second connecting plates 25 lift upwards to drive the first connecting plates 26 to move in an opening manner, meanwhile, the third connecting plates 30 connected at the lower sides of the connecting rods 23 also lift upwards, at this time, the fourth connecting plates 29 at the lower ends of the two groups of first connecting plates 26 are supported and opened, the connecting pipe 21 is driven to rotate by rotating the hand wheel 20, the connecting pipe 21 rotates to drive the first connecting plates 26 and the fourth connecting plates 29 to synchronously rotate, at this time, the admixture in the tank body 1 is stirred, the use effect of the admixture is prevented from being influenced due to precipitation, at this time, the sealing end cover 17 clamped in the discharging pipe 19 is opened, the stop valve 18 is unscrewed, at this time, the admixture in the tank body 1 is discharged from the discharging pipe 19, after the material taking is finished, taking out the connecting pipe 21 and closing the end cover 5 and the stop valve 18 again, wherein the material taking is finished at the moment;
when the inner wall of the tank body 1 needs to be cleaned, the clamping plates 34 can be opened by loosening the four groups of bolts 22, the cleaning sponge is respectively prevented from being arranged in the connecting sliding groove 35 and at the lower end of the clamping plates 34, at the moment, the four groups of bolts 22 are fixed again, so that the cleaning sponge is clamped, the connecting pipe 21 is inserted into the tank body 1 according to the method, and the connecting pipe 21 is rotated through the hand wheel 20, so that the cleaning effect can be achieved, meanwhile, when the tank body 1 is pushed, the T-shaped sliding strip 15 at the lower end of the tank body 1 can move back and forth in the T-shaped sliding groove 11, and simultaneously, under the elastic action of the two groups of springs 14, the buffering effect can be achieved on the tank body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a wet-mixed mortar admixture holding vessel, includes jar body (1) and connecting pipe (21), its characterized in that: the front side and the rear side of the lower end of the tank body (1) are fixedly connected with T-shaped sliding strips (15) in a separated mode, the two groups of T-shaped sliding strips (15) are connected into T-shaped sliding grooves (11) in a sliding mode, the two groups of T-shaped sliding grooves (11) are arranged on the front side and the rear side of the upper end of a base (16), springs (14) are fixedly connected to the left end and the right end of each T-shaped sliding groove (11) respectively, the other ends of the two groups of springs (14) are fixedly connected to the left end and the right end of each T-shaped sliding strip (15) respectively, a feed inlet (10) is formed in the middle of the upper end of the tank body (1), a clamping port (6) is formed in the upper end of the feed inlet (10), clamping grooves (7) are formed in the left end and the right end of each clamping port (6), and end covers (5) are connected in the feed inlet (10) in a threaded mode;
a connecting rod (23) is movably connected in the connecting pipe (21) in a sliding manner, a limiting block (32) is fixedly sleeved at the upper end of the connecting rod (23) after the upper end of the connecting rod (23) extends out of the connecting pipe (21), a hand wheel (20) is fixedly connected at the upper end of the connecting rod (23), first connecting lugs (27) are respectively and fixedly connected at the lower sides of the left end and the right end of the connecting pipe (21), first connecting plates (26) are movably connected in two groups of the first connecting lugs (27), second connecting plates (25) are respectively and movably connected in the middle of the upper ends of the two groups of the first connecting plates (26), and the upper ends of the two groups of the second connecting plates (25) are respectively and movably connected in the left end and the right end of the connecting rod (23) after extending into a sliding chute (24);
two sets of end middle part about connecting pipe (21) is seted up respectively in spout (24), end downside is fixedly connected with second engaging lug (28) respectively about connecting rod (23), and is two sets of swing joint has third connecting plate (30) in second engaging lug (28) respectively, third connecting plate (30) other end swing joint is in fourth connecting plate (29) left end middle part, and is two sets of fourth connecting plate (29) upper end swing joint is in a set of first connecting plate (26) lower extreme respectively.
2. The wet-mixed mortar admixture storage tank of claim 1, wherein: the connecting pipe (21) upside is fixedly sleeved with a bearing (31), and the left end and the right end of the bearing (31) are respectively and fixedly connected with a clamping lug (33).
3. The wet-mixed mortar admixture storage tank of claim 1, wherein: the outer side of the lower end of the end cover (5) is fixedly connected with a rubber sealing ring (8), and a sealing ring clamping groove (9) is formed in the upper end of the tank body (1).
4. The wet-mixed mortar admixture storage tank of claim 1, wherein: jar body (1) left end downside internal fixation is connected with row material pipe (19), arrange material pipe (19) middle part fixed connection in stop valve (18), it has end cover (17) to block in row material pipe (19) right-hand member.
5. The wet-mixed mortar admixture storage tank of claim 1, wherein: and connecting sliding grooves (35) are respectively formed in the outer sides of the two groups of fourth connecting plates (29), and clamping plates (34) are installed in the connecting sliding grooves (35) through two groups of bolts (22).
6. The wet-mixed mortar admixture storage tank of claim 1, wherein: the four-wheel-type solar water heater is characterized in that supporting legs (12) are fixedly connected to the periphery of the lower end of the base (16) respectively, and universal wheels (13) are fixedly connected to the lower ends of the four groups of supporting legs (12) respectively.
7. The wet-mixed mortar admixture storage tank of claim 1, wherein: the tank body (1) is characterized in that the periphery of the upper end of the tank body (1) is fixedly connected with hanging rings (4), and the four hanging rings (4) are arranged at equal intervals.
8. The wet-mixed mortar admixture storage tank of claim 1, wherein: the tank body (1) is internally and fixedly connected with a reinforced layer (2), and the outer side of the reinforced layer (2) is fixedly connected with an anticorrosive coating (3).
CN202122064185.0U 2021-08-30 2021-08-30 Wet-mixed mortar additive storage tank Active CN215665121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122064185.0U CN215665121U (en) 2021-08-30 2021-08-30 Wet-mixed mortar additive storage tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122064185.0U CN215665121U (en) 2021-08-30 2021-08-30 Wet-mixed mortar additive storage tank

Publications (1)

Publication Number Publication Date
CN215665121U true CN215665121U (en) 2022-01-28

Family

ID=79958828

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122064185.0U Active CN215665121U (en) 2021-08-30 2021-08-30 Wet-mixed mortar additive storage tank

Country Status (1)

Country Link
CN (1) CN215665121U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114852537A (en) * 2022-06-10 2022-08-05 江苏博汇纸业有限公司 Storage tank for preparing environment-friendly biological latex

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114852537A (en) * 2022-06-10 2022-08-05 江苏博汇纸业有限公司 Storage tank for preparing environment-friendly biological latex
CN114852537B (en) * 2022-06-10 2023-05-09 江苏博汇纸业有限公司 Storage tank for preparing environment-friendly biological latex

Similar Documents

Publication Publication Date Title
CN215665121U (en) Wet-mixed mortar additive storage tank
CN206444503U (en) A kind of grinding aid production agitator tank of easy cleaning
CN209568616U (en) A kind of grout sleeve of unidirectional automatic plugging
CN214287069U (en) External integrated filtering device for aquaculture equipment
CN210906168U (en) Inner coil heating reaction kettle
CN209920232U (en) Concrete discharging device applied to mixing station
CN211643273U (en) Residue-free waterproof mortar storage tank with material scraping function
CN210239686U (en) Concrete distributor for tunnel secondary lining
CN215708843U (en) Building coating prevents subsiding storage device
CN207682662U (en) A kind of environmental protection dust protected material mixing bucket
CN207103350U (en) Sand-stone separator
CN218131655U (en) Batching and mixing device for preparing ship coating
CN112609776A (en) Urban energy-saving type clean converging pipe-making network system and method
CN216041186U (en) Grouting device for hydraulic engineering
CN220551528U (en) Novel three-way ball valve
CN220807947U (en) Building engineering construction compounding feeding device
CN217679418U (en) Non-negative pressure water supply equipment
CN210117429U (en) Standby structure of electrophoresis tank
CN218822542U (en) Anti-blocking device for magnetic turning plate liquid level meter
CN218357568U (en) Multi-medium backwashing filter
CN218740402U (en) Travelling type mud scraper
CN212513749U (en) Water quality sealing self-opening water taking device for water sampling
CN216242300U (en) Glass lining reaction tank discharge valve
CN213922341U (en) Concrete waterproofing agent storage device
CN217973396U (en) Surface treatment device is used in bolt production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant