CN210096327U - Eye washer with high use comfort - Google Patents
Eye washer with high use comfort Download PDFInfo
- Publication number
- CN210096327U CN210096327U CN201920334251.1U CN201920334251U CN210096327U CN 210096327 U CN210096327 U CN 210096327U CN 201920334251 U CN201920334251 U CN 201920334251U CN 210096327 U CN210096327 U CN 210096327U
- Authority
- CN
- China
- Prior art keywords
- eye
- eyewash
- valve
- basin
- washer
- 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
Images
Landscapes
- Devices For Medical Bathing And Washing (AREA)
Abstract
The utility model discloses an use eyewash ware that travelling comfort is high, the left and right sides of wash port is located to two eyewash shower nozzle symmetries, the center line of two eyewash shower nozzles is located the wash port rear, the axis slope setting of eyewash shower nozzle, angle α that has the slope forward, and relative equiangular slope is close to about two eyewash shower nozzles, contained angle between the axis of two eyewash shower nozzles is β, make behind the eyewash shower nozzle water spray, the water column falls into the wash port center, incline forward the eyewash shower nozzle, eyewash ware spun water column has forward inclination, thereby the bending amplitude of user's waist or neck when using has been reduced, in addition, move the eyewash shower nozzle backward, increased the distance of eyewash ware shower nozzle apart from eyewash basin front edge on the one hand, and cooperate the setting that the eyewash shower nozzle inclines forward, make and can fall to discharge in the drain hole, on the other hand has yielded the position of wash port, the condition that user that the splash caused soaked clothes or pollute the ground around has been avoided.
Description
Technical Field
The utility model relates to an eyewash basin field especially relates to an eyewash basin that use travelling comfort is high.
Background
The eye washer is an emergency rescue device, and workers in special occasions can wash eyes or faces with large water volume when chemical substances are sprayed to the eyes or the faces, so that further damage of harmful substances to bodies is temporarily reduced, and unnecessary accidents are avoided or reduced.
The comfort level of a user is lower when the eye washer is used due to the following problems:
firstly, the two eye washing spray heads only have relatively close inclined angles, water columns sprayed by the spray heads are positioned in a vertical plane, and when a user washes eyes, the water columns are sprayed on the eyes, so that the bending amplitude of the waist or the neck is large;
secondly, the two eye washing nozzles are arranged on the eye washing basin through a three-way pipe, the upper part of the three-way pipe is in a U-shaped structure, the eye washing nozzles are arranged at two ends of the three-way pipe, the lower part of the three-way pipe vertically penetrates out of the middle part of the eye washing basin, after the two nozzles spray water, water columns reach the highest point and then fall down on a transverse pipe in the U-shaped structure, and water drops falling on the transverse pipe are reflected towards all directions due to the fact that the transverse pipe is an arc-shaped surface, so that splash is caused, clothes of a user can be soaked, and the surrounding ground can be polluted;
thirdly, the two eye washing spray heads are positioned in the middle of the eye washing basin and are close to the front side edge of the eye washing basin, so that the probability that the clothes are wetted by splashed eye washing water when a user uses the eye washing basin is further increased;
fourthly, after the existing eye washer is provided with the dust cover, the dust cover needs to be opened firstly and then the controller needs to be opened when the eye washer is used, so that the operation is complex;
fifthly, the requirement in the design standard ANSI-Z358.1 of eye washer 2014 edition is that under the water pressure of 210kPa, the water yield of the spray nozzle is not less than 11.4LPM, and the water flow shape needs to reach a certain height, so that the requirement of washing two eyes of a person at the same time can be met, the water flow rate is low enough to maintain the washing for not less than 15 minutes, and the flow rate at the spray hole of the existing eye washer spray nozzle is not adjustable in the use process, so that the requirement of washing eyes by different users with different flow rates cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an eyewash bowl with high use comfort can be provided, which can reduce the bending amplitude of the waist or the neck of a user when in use and can prevent splash from splashing.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
an eye washer with high use comfort comprises an eye washing basin with an arc-shaped concave basin surface, wherein eye washing spray heads are fixed in the eye washing basin, a drain hole is formed in the center of the bottom of the eye washing basin, a water supply pipe for supplying water to the eye washing spray heads and a water collecting pipe connected with the drain hole are arranged below the eye washing basin, and the eye washing device is characterized in that the two eye washing spray heads are symmetrically arranged on the left side and the right side of the drain hole, the central connecting line of the two eye washing spray heads is located behind the drain hole, the axis of the eye washing spray heads is obliquely arranged and has a forward-inclined angle α, the left side and the right side of the two eye washing spray heads are relatively equiangularly inclined and close, and the included angle between the axes of the two eye washing spray heads is β, so that after the eye washing spray heads spray water, two.
The further technical scheme is that the horizontal vertical distance between the central axis of the drain hole and the central connecting line of the two eye-washing spray heads is 37mm, the forward inclination angle α of the axes of the eye-washing spray heads is 1 degree, and the included angle β between the axes of the two eye-washing spray heads is 30 degrees.
The further technical scheme is as follows: the upper end surface of the eye basin is provided with a wedge-shaped water guide surface.
The further technical scheme is as follows: the eye washing basin is provided with a dust cover for covering the basin surface, and two opposite sides of the dust cover are hinged with the vertical side wall of the eye washing basin through a pin shaft, so that the dust cover is opened and closed.
The further technical scheme is as follows: the dust cover is made of transparent materials.
The further technical scheme is as follows: the handle of the control valve is positioned outside the eye washing basin and connected with the dust cover, and the control valve can be rotationally opened or closed along with the rotation of the dust cover.
The further technical scheme is as follows: the eye washing sprayer comprises a sprayer body and a flow regulating valve arranged in the sprayer body; a jack is arranged in the center of the panel of the sprayer body; flow control valve includes disk seat and valve rod, the disk seat has the fixed valve plate of annular lateral wall and the inner wall of shower nozzle main part, be equipped with the apopore with central symmetry on the valve plate, but insert in the apopore and rotary regulation the upper end of valve rod, the lower extreme of valve rod has the valve head, have on the valve head with apopore assorted breach portion.
The further technical scheme is as follows: two positioning blocks are fixed on the upper end face of the valve plate, the starting end of each positioning block is aligned with the tail end of a water outlet hole rotating clockwise, and positioning clamping grooves matched with the positioning blocks are formed in the entities on the two sides of the notch portion on the valve head.
The further technical scheme is as follows: the valve plate is characterized in that a through hole is formed in the center of the valve plate, a lower limiting part which extends into the through hole and is upwards limited by the lower end of the valve plate is fixed at the lower end of the valve rod, and an upper limiting part which extends into the insertion hole and is downwards limited by the panel is fixed at the upper end and the lower end of the valve rod.
The further technical scheme is as follows: a filter layer is fixed below the panel
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the eye washer has the advantages that the eye washer is inclined forwards by adjusting the angle of the spray head of the eye washer, so that the water column sprayed by the eye washer has a forward inclination angle, the forward inclined water column can better clean the eyes of a patient, and the bending amplitude of the waist or the neck of the user is reduced when the eye washer is used;
in addition, the eye-washing spray head is moved backwards, so that on one hand, the distance from the eye-washing device spray head to the front side edge of the eye-washing basin is increased, and the eye-washing spray head is arranged in a forward inclining mode to fall into the drainage hole to be discharged; on the other hand, the position of the drain hole is given away, and no part is arranged above the drain hole, so that the water column sprayed by the eye washer falls down to the center of the drain hole after reaching the highest point, and the water column is not blocked by other parts in the eye washing basin in the discharging process, thereby avoiding the condition that the clothes of a user are soaked or the surrounding ground is polluted due to splashing of water.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the dust cover in an open state;
FIG. 3 is a schematic structural view of the present invention with the dust cover removed;
fig. 4 is a schematic bottom view (not shown) of the present invention;
fig. 5 is a schematic structural diagram of a water column according to the present invention;
FIG. 6 is a schematic view of the eye washing basin of the present invention;
FIG. 7 is a schematic top view of the eyewash basin of the present invention;
FIG. 8 is a schematic cross-sectional view of the eye-washing nozzle of the present invention;
FIG. 9 is a schematic structural view of the sprinkler body of the present invention (panel not shown);
fig. 10 is a schematic top view of the sprinkler body according to the present invention (panel not shown);
fig. 11 is a schematic structural view of the valve stem of the present invention;
fig. 12 is a schematic bottom view of the valve stem of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 7, an eye washer with high comfort in use comprises an eye basin 1 having an arc-shaped concave basin surface, eye washing nozzles 2 are fixed in the eye basin 1, a drain hole 3 is formed in the center of the bottom of the eye basin 1, a water supply pipe for supplying water to the eye washing nozzles 2 and a water collecting pipe 4 connected with the drain hole 3 are arranged below the eye basin 1, the water collecting pipe 4 is used for collecting and draining wastewater in the eye basin 1, the eye washing nozzles 2 are provided with two eye washing nozzles 2, the two eye washing nozzles 2 are symmetrically arranged on the left side and the right side of the drain hole 3, a central connecting line of the two eye washing nozzles 2 is positioned behind the drain hole 3, the axes of the eye washing nozzles 2 are obliquely arranged and have a forward inclined angle α, the two eye washing nozzles 2 are relatively inclined in an equiangular manner from the left side to the right side, and the included angle between the axes of the two eye washing nozzles 2 is β, so that after the eye washing nozzles 2 rise and meet, the two water columns.
The eye washer has the advantages that the eye washer 2 is inclined forwards by adjusting the angle of the spray head of the eye washer, so that the water column sprayed by the eye washer has a forward inclination angle, the forward inclination water column can better clean the eyes of a patient, and the bending amplitude of the waist or the neck of the user is reduced when the eye washer is used;
in addition, the eye-washing spray head 2 is moved backwards, so that on one hand, the distance from the eye-washing spray head to the front side edge of the eye-washing basin 1 is increased, and the eye-washing spray head 2 is arranged forwards in a matched manner, so that the eye-washing spray head can fall into the drain hole 3 to be discharged; on the other hand, the position of the drain hole 3 is given away, and no part is arranged above the drain hole 3, so that the water column sprayed by the eye washer falls down to the center of the drain hole 3 after reaching the highest point, and the water column is not blocked by other parts in the eye washing basin 1 in the blanking process, thereby avoiding the condition that the clothes of a user are soaked or the surrounding ground is polluted due to splashing of water.
Specifically, the horizontal vertical distance between the central axis of the water drainage hole 3 and the central connecting line of the two eye washing nozzles 2 is 37mm, the forward inclination angle α of the axis of the eye washing nozzles 2 is 1 degree, namely the included angle between the upper surface of the eye washing nozzles 2 and the vertical surface is 91 degrees, the included angle β between the axes of the two eye washing nozzles 2 is 30 degrees, namely the eye washing nozzles 2 are axially inclined leftwards or rightwards by 15 degrees, when the central distance between the two eye washing nozzles 2 is 175mm, the vertical height of the water column sprayed by the eye washing nozzles 2 is 225mm, and the vertical height of the two water columns falling on the water drainage hole 3 after the highest point is intersected is 340 mm.
In order to avoid water stains on the eye washing basin 1 from breeding bacteria after the eye washing device is used, the upper end surface of the eye washing basin 1 is provided with a wedge-shaped water guide surface 11, so that the water stains falling on the eye washing basin 1 can be left along the water guide surface 11, and the dryness of the eye washing basin 1 after being used is kept. The upper end face of the eyewash basin 1 corresponding to the basin face is a first water guide face inclined from top to bottom from back to front, and the upper end face of the eyewash basin 1 behind the first water guide face is a second water guide face inclined from top to bottom from front to back.
The eyewash basin 1 is provided with a dust cover 5 for covering the basin surface, two opposite sides of the dust cover 5 are hinged with the vertical side wall of the eyewash basin 1 through a pin shaft, and the dust cover 5 is opened and closed. The dust cover 5 is arranged to prevent dust from falling on the eye washing sprayer 2, so that the dust is prevented from entering the eye washer to affect the cleanliness of the eye washer, and even secondary damage is caused to eyes of a user. And this dust cover 5 is transparent material, can observe the inside condition of eyewash basin 1, damages when the water route valve appears, when not using, behind the eye shower nozzle 2 water spray condition, the user can in time discover to maintain it, reduces the waste of water resource.
The eye washer is used in emergency and needs to be operated simply to shorten the time before emergency treatment. The control valve 6 is arranged on the main water supply pipeline, the handle 61 of the control valve 6 is positioned outside the eyewash basin 1 and is connected with the dustproof cover 5, the control valve 6 can be opened or closed by rotating along with the rotation of the dustproof cover 5, and the control valve 6 can adopt a ball valve structure. The eye washer is simple to operate, the time before first-aid flushing can be saved, and the control valve 6 is opened while the dustproof cover 5 is opened, so that the operation steps are reduced; when the eye washer is closed, the control valve 6 can be closed only by closing the dust cover 5, so that the problem that water resources are wasted due to the fact that a user forgets to close the valve after the user operates in a panic state is avoided. Wherein, the delivery pipe includes the water supply main line and connects the water supply branch road of two eye washing shower nozzles 2 respectively, control valve 6 is located on the water supply main line for opening, closing of two eye washing shower nozzles 2 of simultaneous control of a control valve 6.
In order to meet the requirements of different water pressures and different users, as shown in fig. 8 to 12, the eye-washing nozzle 2 includes a nozzle body 21 and a flow regulating valve disposed in the nozzle body 21; a jack is arranged in the center of the panel 211 of the spray head main body 21; the flow control valve comprises a valve seat 22 and a valve rod 23, wherein the valve seat 22 is provided with a valve plate 221 with a circumferential side wall fixed with the inner wall of the sprayer main body 21, a water outlet hole 24 is symmetrically formed in the valve plate 221, the upper end of the valve rod 23 is inserted into the water outlet hole and can be adjusted in a rotating mode, the lower end of the valve rod 23 is provided with a valve head, and a notch portion 25 matched with the water outlet hole 24 is formed in the valve head. The size of the exposed water outlet hole 24 can be adjusted by rotating the valve rod 23 and changing the relative position of the valve rod 23 and the valve plate 221, so that the water flow speed is adjusted, and the water yield of the sprayer is adjusted. And the installation of a flow regulating valve on a pipeline connected with the spray head is avoided, the installation procedures are reduced, and the spray head is installed more quickly and conveniently.
Two positioning blocks 26 are fixed on the upper end face of the valve plate 221, the starting end of each positioning block 26 is aligned with the tail end of a water outlet hole 24 which rotates clockwise, and positioning clamping grooves 27 matched with the positioning blocks 26 are formed in the bodies on the two sides of the notch portion 25 on the valve head. The positioning blocks 26 can be used for limiting the rotation angle of the valve rod 23, so that the valve rod 23 can only rotate relatively between the protrusions, and when the valve rod 23 is limited by the two positioning blocks 26, the valve rod 23 respectively represents a state that the water outlet is completely opened and a state that the water outlet is completely closed, so as to remind a user of the adjustment range of the water yield of the eye washer, and the operation is simpler.
In order to ensure that the valve rod 23 is always concentric with the valve plate 221 when rotating and ensure that the valve rod 23 is attached to the valve plate 221, the water outlet hole 24 is tightly matched with the solid part on the valve head, a through hole is arranged at the center of the valve plate 221, a lower limit part 28 which extends into the through hole and is limited by the lower end face of the valve plate 221 upwards is fixed at the lower end of the valve rod 23, and an upper limit part 29 which extends into the through hole and is limited by the face plate 211 downwards is fixed at the upper end and the lower end of the valve rod 23. Specifically, the lower limit portion 28 is a screw that is driven upward into the valve rod 23 from below the valve plate 221, and the upper limit portion 29 is a screw that is driven downward into the valve rod 23 from above the panel 211.
Further in order to ensure that the valve rod 23 is always coaxial with the valve plate 221 during rotation, the valve seat 22 further comprises a circle of rotating wall 222 coaxially arranged on the valve plate 221, and the inner diameter of the rotating wall 222 is matched with the outer diameter of the valve head, so that radial limiting of the valve rod 23 is realized.
In order to further improve the water outlet quality of the sprinkler head, a filter layer 7 is fixed below the panel 211.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (10)
1. An eye washer with high use comfort comprises an eye washing basin (1) with an arc-shaped concave basin surface, wherein eye washing spray heads (2) are fixed in the eye washing basin (1), a drain hole (3) is formed in the center of the bottom of the eye washing basin (1), a water supply pipe for supplying water to the eye washing spray heads (2) and a water collecting pipe (4) connected with the drain hole (3) are arranged below the eye washing basin (1), and the eye washing device is characterized in that the two eye washing spray heads (2) are provided with two water supply pipes and two water collecting pipes (4), wherein the two water supply pipes are symmetrically arranged on the left side and the right side of the drain hole (3), the central connecting line of the two eye washing spray heads (2) is positioned behind the drain hole (3), the axes of the eye washing spray heads (2) are obliquely arranged and have a forward tilting angle α, the left side and the right side of the two eye washing spray heads (2) are relatively equiangularly inclined and close to each other, and the included angle between the axes of the two eye washing spray heads (2) is β.
2. The eyewash as claimed in claim 1, characterized in that the central axis of the drainage hole (3) is at a horizontal vertical distance of 37mm from the line connecting the centers of the two eyewash nozzles (2), the forward inclination angle α of the axis of the eyewash nozzle (2) is 1 °, and the included angle β between the axes of the two eyewash nozzles (2) is 30 °.
3. An eye washer for high comfort use as claimed in claim 1, wherein: the upper end surface of the eye basin (1) is provided with a wedge-shaped water guide surface (11).
4. An eye washer with high comfort in use according to any one of claims 1 to 3, wherein: be equipped with on eye basin (1) and be used for covering dust cover (5) of pelvic surface, the both sides that the dust cover (5) is relative pass through the round pin axle with eye basin (1) vertical lateral wall and articulate, realize opening and closing of dust cover (5).
5. An eye washer for high comfort in use according to claim 4, wherein: the dust cover (5) is made of transparent materials.
6. An eye washer for high comfort in use according to claim 4, wherein: the control valve (6) is arranged on the water supply main pipeline, a handle (61) of the control valve (6) is positioned outside the eye washing basin (1) and connected with the dust cover (5), and the control valve (6) can be rotationally opened or closed along with the rotation of the dust cover (5).
7. An eye washer for high comfort use as claimed in claim 1, wherein: the eye washing spray head (2) comprises a spray head main body (21) and a flow regulating valve arranged in the spray head main body (21); the center of the panel (211) of the spray head main body (21) is provided with a jack; flow control valve includes disk seat (22) and valve rod (23), disk seat (22) have the fixed valve plate (221) of the inner wall of hoop lateral wall and shower nozzle main part (21), be equipped with apopore (24) with central symmetry on valve plate (221), but insert in the jack and rotary regulation the upper end of valve rod (23), the lower extreme of valve rod (23) has the valve head, have on the valve head with apopore (24) assorted breach portion (25).
8. An eye washer for high comfort use as claimed in claim 7, wherein: two positioning blocks (26) are fixed on the upper end face of the valve plate (221), the starting end of each positioning block (26) is aligned with the tail end of a water outlet hole (24) rotating clockwise, and positioning clamping grooves (27) matched with the positioning blocks (26) are formed in the bodies on the two sides of the notch portion (25) on the valve head.
9. An eye washer for high comfort use as claimed in claim 7, wherein: the valve plate (221) is provided with a through hole in the center, the lower end of the valve rod (23) is fixedly provided with a lower limiting part (28) which extends into the through hole and is limited by the lower end face of the valve plate (221) upwards, and the upper end and the lower end of the valve rod (23) are fixedly provided with an upper limiting part (29) which extends into the insertion hole and is limited by the panel (211) downwards.
10. An eye washer for high comfort use as claimed in claim 7, wherein: a filter layer (7) is fixed below the panel (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920334251.1U CN210096327U (en) | 2019-03-15 | 2019-03-15 | Eye washer with high use comfort |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920334251.1U CN210096327U (en) | 2019-03-15 | 2019-03-15 | Eye washer with high use comfort |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210096327U true CN210096327U (en) | 2020-02-21 |
Family
ID=69532450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920334251.1U Active CN210096327U (en) | 2019-03-15 | 2019-03-15 | Eye washer with high use comfort |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210096327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718085A (en) * | 2019-03-15 | 2019-05-07 | 河北润旺达洁具制造有限公司 | A kind of eye syringe that comfort is high |
-
2019
- 2019-03-15 CN CN201920334251.1U patent/CN210096327U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718085A (en) * | 2019-03-15 | 2019-05-07 | 河北润旺达洁具制造有限公司 | A kind of eye syringe that comfort is high |
| CN109718085B (en) * | 2019-03-15 | 2024-02-23 | 河北润旺达洁具制造有限公司 | Use high eyewash ware of travelling comfort |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109718085B (en) | Use high eyewash ware of travelling comfort | |
| CN210146259U (en) | Prevent blockking up fountain nozzle | |
| JPH01201257A (en) | Vortex stream nozzle tank equipped with automatic system washing part | |
| CN108420334B (en) | Self-cleaning food processor | |
| CN210096327U (en) | Eye washer with high use comfort | |
| CN108854343A (en) | A kind of civil construction device for reducing dust | |
| CN212681814U (en) | Semiconductor silicon wafer washs spray set | |
| CN209301058U (en) | Water cup module and dish-washing machine | |
| CN207621361U (en) | Self-cleaning clear water faucet | |
| CN209301059U (en) | Water cup module and dish-washing machine | |
| CN107675759A (en) | A kind of intracavity hand basin | |
| CN209377515U (en) | Water cup module and dish-washing machine | |
| CN207405704U (en) | A kind of intracavity hand basin | |
| CN208228159U (en) | Park maintenance dosing drip irrigation appliance | |
| CN219967428U (en) | Necklace processing is with high-efficient grinding device | |
| CN214488004U (en) | Rotary siphon type mop pool | |
| KR100936235B1 (en) | Washing appratus for water storage tank | |
| CN218248819U (en) | Trap with spray rinsing structure | |
| CN210370068U (en) | Multifunctional fountain pool | |
| CN208661904U (en) | A kind of cynomorium songaricum cleaning machine of the secondary cleaning of water-saving type | |
| CN107975107A (en) | A kind of sanitary hand basin for avoiding spluttering | |
| CN215231803U (en) | Fire-fighting lance convenient to control | |
| CN213792285U (en) | Agent solution sprinkler for sewage treatment | |
| KR101904724B1 (en) | Device for Controlling Discharging Amount of Toilet Bowl Detergent | |
| CN218191563U (en) | Storage box for environment-friendly water treatment agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |