CN108374903A - A kind of slide valve being adapted to pass through band - Google Patents
A kind of slide valve being adapted to pass through band Download PDFInfo
- Publication number
- CN108374903A CN108374903A CN201810138058.0A CN201810138058A CN108374903A CN 108374903 A CN108374903 A CN 108374903A CN 201810138058 A CN201810138058 A CN 201810138058A CN 108374903 A CN108374903 A CN 108374903A
- Authority
- CN
- China
- Prior art keywords
- band
- vacuum pipe
- flashboard
- slide valve
- pass
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0218—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with only one sealing face
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/312—Line blinds
Abstract
The invention discloses a kind of slide valves being adapted to pass through band, including vacuum pipe, the vacuum pipe is internally provided with the channel passed through for band, is equipped with moveable flashboard in the channel, the flashboard be in contact with the channel cooperation face and the shape of the band it is adaptable.The slide valve of the present invention, the sealing surface of flashboard are redesigned according to the shape of band so that the sealing surface of flashboard can be adapted to the shape of band, therefore the triangular contact area of flashboard, sealing surface, band is maximized, and sealing performance greatly improves.Meanwhile the slide valve is simple in structure, easy to process, of low cost, band is also smaller by the deflection caused by pressure.
Description
Technical field
The present invention relates to a kind of sealing devices, specifically, being a kind of slide valve being adapted to pass through band.
Background technology
Before high temperature superconducting materia is suffered from and is widely applied in fields such as electric power, new energy, Medical Devices, defence equipments
Scape.There are many companies to be dedicated to the industrialization development of high-temperature superconductor band and application displaying both at home and abroad, high-temperature superconductor band is
Form an emerging industry.High-temperature superconductor band is the metal sheet band that surface is coated with metal-oxide film, and thickness is general
Between 50 ~ 100 μm, for width between 4mm ~ 20mm, length is then changeable, is as short as several centimetres, length is to several kilometers.It is producing
When high-temperature superconductor band, generally under vacuum conditions the superconducting tape of film is not plated to superconducting tape surface applying oxidn film
Need to be put into vacuum system, and plated film superconducting tape needs taken out from vacuum system, in order to save the time and at
This, can to some vacuum cavity in entire vacuum system as load lock chamber, then in this load lock chamber into
Row puts band or takes the operation of band.
In order to make vacuum cavity become load lock chamber, need to use slide valve.Slide valve is one of common block valve,
It is mainly used to connect or block the medium in pipeline.The opening and closing element of slide valve is flashboard, the direction of motion and flow direction of flashboard
Vertically.When vacuum slide valve is closed, flashboard is pressed to valve seat by slide valve by force by external force so that the sealing ring on flashboard and valve
Seat fits closely, to ensure the leakproofness of sealing surface.
However, the face of the sealing ring and sealing surface of seat fitting on common gate plate of gate valve is arcwall face, and it is super in high temperature
When using common slide valve in the preparation of conduction band material, flashboard can not be directly born against on valve seat, across superconduction between flashboard and valve seat
Band, and the surface of superconducting tape is plane, plane fits with arcwall face, and contact area is small, so its leakproofness is poor, together
When superconducting tape can also be pressed to obtain gross distortion.
Invention content
The technical problem to be solved in the present invention is to provide one kind, and excellent sealing not only may be implemented, but also band can be allowed to pass through
Slide valve, and its is simple in structure, easy to process, of low cost, and band is also smaller by the deflection caused by pressure.
In order to solve the above technical problem, the present invention provides a kind of slide valves being adapted to pass through band, including vacuum tube
Road, the vacuum pipe are internally provided with the channel passed through for band, are equipped with moveable flashboard in the channel, the flashboard with
The be in contact shape of face and the band of cooperation of the channel is adapted.
Further, partition board is equipped in the vacuum pipe, the channel passed through for band is arranged on the partition board,
The opening for accommodating the flashboard is additionally provided on the partition board.
Further, the channel passed through for band is rectangular through holes, and the width of through-hole is slightly larger than the width of band.
Further, the partition board is removably mounted in the middle part of the vacuum pipe, and between the vacuum pipe
Form sealing.
Further, the both side surface of the partition board is in an angle, keeps the partition board wedge shaped；In the middle part of the vacuum pipe
It is formed with corresponding wedge-like opening, the partition board is set in the wedge-like opening.
Further, mobile mechanism is connected on the flashboard, the mobile mechanism is installed to described true by connector
On vacant duct, a part for the connector is pressed on the outside of the partition board.
Further, the vacuum pipe is divided into two parts, partition board described in sandwiched between two parts vacuum pipe.
Further, connecting flange is respectively equipped on vacuum pipe described in two parts, between vacuum pipe described in two parts
By the flanged joint, the vacuum pipe of at least one portion is made or is equipped with stretching structure by elastic material.
Further, the flashboard is made of fluorubber or is constituted in hard material outer surface cladding fluorubber.
Further, the flashboard be in contact with the channel face of cooperation roughness be less than or equal to 0.8 μm.
The slide valve of the present invention, the sealing surface of flashboard are redesigned according to the shape of band so that flashboard
Sealing surface can be adapted to the shape of band, therefore the triangular contact area of flashboard, sealing surface, band is maximized, leakproofness
It can greatly improve.Meanwhile the slide valve is simple in structure, easy to process, of low cost, band by pressure caused by deflection also compared with
It is small.
Description of the drawings
Fig. 1 is the stereogram of one embodiment of slide valve for being adapted to pass through band of the present invention.
Fig. 2 is the cross sectional view of slide valve embodiment shown in Fig. 1.
Fig. 3 is the schematic diagram of another embodiment of slide valve for being adapted to pass through band of the present invention.
Fig. 4 is the schematic diagram of the another embodiment of slide valve for being adapted to pass through band of the present invention.
In figure：1. vacuum pipe, 2. vacuum flanges, 3. partition boards, 4. channels, 5. connectors, 6. handles, 7. screw rods, 8. locks
Plate, 9. fluorubber, 10. sealing surfaces, 11. pillars, 12. bolts, 13. connecting flanges.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
One embodiment of the slide valve for being adapted to pass through band of the present invention as shown in Figure 1, including vacuum pipe 1, vacuum
The both ends of pipeline 1 are vacuum flange 2, for being connected with other vacuum equipments.Vacuum pipe 1 is internally provided with to be passed through for band
Channel 4, is equipped with moveable flashboard 8 in channel 4, flashboard 8 be in contact with channel cooperation face and band shape it is adaptable.It is logical
The width in road 4 is slightly larger than band, enables band normally through slype 4 without frayed.
As shown in Fig. 2, in the present embodiment, partition board 3 is equipped in vacuum pipe 1, the setting of channel 4 passed through for band every
On plate 3, the opening for accommodating flashboard is additionally provided on partition board 3.It is rectangular through holes, the width of through-hole for the channel 4 that band passes through
Width of the degree slightly larger than band；Correspondingly, the shape of flashboard 8 is cuboid.Wherein, the lower surface of the bottom surface of through-hole and flashboard 8
Form mutually matched sealing surface 10.Sealing surface 10 is plane in the present embodiment, is suitable for being in planar band, such as super
Conduction band material and metal sheet band etc. for producing superconducting tape.Certainly, close when the present invention to be used for the band of other shapes
Cover can also be other shapes, as long as the shape with band is adapted.
In the present embodiment, the shape of flashboard 8 is cuboid, and sealing surface 10 is rectangular planes, and the flashboard 8 of cuboid is suitable
The shape for having matched through-hole makes the two contact area maximize, to improve leakproofness；Meanwhile band is cube, cuboid
Flashboard 8 and rectangular sealing surface 10 be also adapted to the shape of band, so that triangular contact area is maximized, it is same to improve
Leakproofness, while band is also small by the deflection caused by pressure.
The width of through-hole is advisable with being more than band 1mm or so, for more than strip width 0.8-1.2mm in reasonable error.
The width of through-hole is too small, and the edge of band can be made to be easy to rub with through-hole, damage band, and be also easy that band is made to send out
Life folds and leads to not seal.The width of through-hole is excessive, it is difficult to realize excellent sealing.It is demonstrated experimentally that the width when through-hole is big
When strip width 0.8-1.2mm, sealing effect is substantially better than other sizes.And the lower the roughness of sealing surface the better, one
As be 0.8 μm or less.Preferably, the sealing surface roughness in the present embodiment is 0.8 μm.The roughness is ensureing sealing
In the case of, processing cost can be reduced as far as possible.
In use, the slide valve of the present invention is installed in entire vacuum system, band is passed through into the through-hole on partition board 8,
When the sealing surface 10 between flashboard and through-hole does not contact with each other, band is free to from vacuum pipe 1 and wherein
Slype 4 in pass through and not frayed；Then it controls flashboard 8 by mobile mechanism to move down, band is closely pressed
Between through-hole and the sealing surface 10 of flashboard, and slype 4 is completely cut off so that in this case, the two of vacuum pipe 1
Side is completely separated, and when at vacuum pipe 1 under vacuum conditions, outside air will not be leak into vacuum pipe 1 always, be played
The effect of slide valve.
In the present embodiment, preferably, the flashboard 8 in the present embodiment can be made of hard material, and in hard material
Surface coat fluorubber 9.Under the structure, internal material offer excellent support, and the coefficient of elasticity higher of fluorubber 9, sealing
Property is good.In addition, in application scenes, such as when channel 4 is smaller, required flashboard is also small, can also use fluorine at this time
Rubber makes entire flashboard, to reduce difficulty of processing and cost.
In the present embodiment, thread screw structure, screw rod 7 is used to pass through connector 5 for moving the mobile mechanism of flashboard 8
It is installed on vacuum pipe 1, flashboard 8 is arranged in the lower end of screw rod 7, and rotating handle 6 is arranged in the upper end of screw rod 7.By rotating hand
Handle 6 carrys out turn screw rod 7, and the lifting of flashboard 8 is realized under the action of screw flight.In other embodiments, electricity can also be used
Flowing mode drives flashboard lifting, more convenient to use, can also realize and automatically control.
It is above-mentioned channel 4 to be arranged on partition board 3 rather than the advantage on entire vacuum pipe 1 is, it is possible to reduce slide valve
Volume and weight, while the length in channel 4 can also be shortened, in order to pass through band.Partition board 3 can be set with vacuum pipe 1
It sets as one, it can also split settings.
As described above, in order to realize that excellent sealing, the width in channel 4 need to be slightly larger than strip width.In order to be applicable in difference
The band of width possesses the slide valve in respective width channel it is necessary to replace.If integrally replaced to slide valve, it is necessary to tear open
The connection of the vacuum flange 2 and vacuum system other parts at 1 both ends of vacuum pipe is unloaded, operation is very complicated.Even sometimes also
The replacement of slide valve could be completed by needing first to dismantle other component in vacuum system, considerably increased replacement difficulty, extended life
Produce the period.
Therefore, as a further improvement on the present invention, partition board 3 is removably mounted on 1 middle part of vacuum pipe, and and vacuum
Sealing is formed between pipeline 1.Since channel 4 is provided on partition board 3, when needing to adapt to the band of different in width, only need
Partition board and flashboard are replaced, without replacing entire valve.Replacement process is simple and convenient, and the used time is short, improves production
Efficiency.
As shown in figure 3, being a kind of dismountable diaphragm structure schematic diagram.In the present embodiment, the both side surface of partition board 3 is in
One angle keeps partition board 3 wedge shaped；And 1 middle part of vacuum pipe is formed with corresponding wedge-like opening, partition board 3 is set to wedge-like opening
In.5 both sides of connector for installing flashboard mobile mechanism are connected to vacuum pipe 1 by bolt 12 and nut, and connect
Part 5 has been formed down pillar 11 close to the position at middle part, and the lower end of pillar 11 is pressed on 3 outside of partition board, and partition board 3 is tightly fixed
In the wedge-like opening at 1 middle part of vacuum pipe.
When needing to produce the band of different in width, nut is backed out, connector, partition board and flashboard etc. are removed together, replaced
New suitable partition board and flashboard assembly are inserted into the wedge-like opening in the middle part of vacuum pipe, are then pushed down with connector, twist
Top nut.When tightening nut, for connector 5 flashboard mobile mechanism is securing simultaneously, pillar 11 on connector will be every
Plate 3 pushes.Since the opening on partition board and vacuum pipe is wedge shaped, can make closely to match between flashboard and vacuum pipe
Conjunction forms excellent sealing.Preferably, can also gasket be set between flashboard both sides and vacuum pipe, it is close to further increase
The reliability of envelope.
Connector 5 in the present embodiment can play the role of 3 both sides vacuum pipe of connecting partition simultaneously, ensure vacuum tube
The structural strength in road.
Alternatively, it is also possible to realize the detachable of partition board using other structures.For example, as shown in figure 4, vacuum pipe is divided into
Two parts, sandwiched partition board 3 between two parts vacuum pipe.In the present embodiment, it can be respectively set on two parts vacuum pipe
Connecting flange 13 is connected by connecting flange 13 between two parts vacuum pipe.
When needing to produce the band of different in width, the connection between connecting flange 13 is released, by baffle assembly（Including every
Plate, flashboard, flashboard mobile mechanism and connector etc.）It removes, replaces suitable baffle assembly, then simultaneously by the connection of connecting flange 13
Partition board 3 is clamped.For the ease of taking dress partition board and can realize excellent sealing, the vacuum pipe of at least one portion can bullet
Property material is made so that the connecting flange on the part can have the activity space of certain distance.Or at least one portion
Vacuum pipe on setting stretching structure, stretching structure can be with bellows etc..It certainly, can also be in flashboard two in the present embodiment
Gasket is set between side and vacuum pipe, to further increase the reliability of sealing.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, such as flashboard without
By being to use fluorubber or general rubber, vacuum pipe is either round or rectangular, and flashboard mobile mechanism is either manual
Or it is electronic, no matter whether there is or not vacuum flanges, and the roughness of sealing surface is either how many, protection scope of the present invention it
It is interior.Protection scope of the present invention is subject to claims.Present invention is particularly suitable for the production equipments of superconducting tape, but its
Metal strip or other bands in his application field should also be considered as the scope of the present invention when being sealed using slide valve.
Claims (10)
1. a kind of slide valve being adapted to pass through band, which is characterized in that including vacuum pipe, the vacuum pipe is internally provided with confession
The channel that band passes through, is equipped with moveable flashboard in the channel, the flashboard be in contact with the channel cooperation face and
The shape of the band is adapted.
2. the as described in claim 1 slide valve for being adapted to pass through band, which is characterized in that be equipped in the vacuum pipe every
Plate, the channel passed through for band are arranged on the partition board, are additionally provided on the partition board for accommodating opening for the flashboard
Mouthful.
3. the slide valve as claimed in claim 2 for being adapted to pass through band, which is characterized in that described to be for the channel that band passes through
Rectangular through holes, the width of through-hole are slightly larger than the width of band.
4. being adapted to pass through the slide valve of band as claimed in claim 2 or claim 3, which is characterized in that the partition board is removably pacified
In the middle part of the vacuum pipe, and sealing is formed between the vacuum pipe.
5. the slide valve as claimed in claim 4 for being adapted to pass through band, which is characterized in that the both side surface of the partition board is in one
Angle keeps the partition board wedge shaped；Corresponding wedge-like opening is formed in the middle part of the vacuum pipe, the partition board is set to described
In wedge-like opening.
6. the slide valve as claimed in claim 5 for being adapted to pass through band, which is characterized in that be connected with moving machine on the flashboard
Structure, the mobile mechanism are installed to by connector on the vacuum pipe, the part of the connector be pressed on it is described every
On the outside of plate.
7. the slide valve as claimed in claim 4 for being adapted to pass through band, which is characterized in that the vacuum pipe is divided into two
Point, partition board described in sandwiched between two parts vacuum pipe.
8. the slide valve as claimed in claim 7 for being adapted to pass through band, which is characterized in that divide on vacuum pipe described in two parts
Not She You connecting flange, pass through the flanged joint, the vacuum pipe of at least one portion between vacuum pipe described in two parts
Stretching structure is made or is equipped with of elastic material.
9. the as described in claim 1 slide valve for being adapted to pass through band, which is characterized in that the flashboard be made of fluorubber or
Person is constituted in hard material outer surface cladding fluorubber.
10. the slide valve as described in claim 1 for being adapted to pass through band, which is characterized in that the flashboard and the channel phase
The roughness in the face being engaged is less than or equal to 0.8 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138058.0A CN108374903B (en) | 2018-02-10 | 2018-02-10 | Gate valve suitable for penetrating through strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138058.0A CN108374903B (en) | 2018-02-10 | 2018-02-10 | Gate valve suitable for penetrating through strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108374903A true CN108374903A (en) | 2018-08-07 |
| CN108374903B CN108374903B (en) | 2020-08-14 |
Family
ID=63017695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810138058.0A Active CN108374903B (en) | 2018-02-10 | 2018-02-10 | Gate valve suitable for penetrating through strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108374903B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0116805A1 (en) * | 1983-02-18 | 1984-08-29 | Laurent Pierre Adrien Ramus | Gate valve |
| US4809950A (en) * | 1987-05-26 | 1989-03-07 | Siegfried Schertler | Valve slide with slide housing |
| JP2006070948A (en) * | 2004-08-31 | 2006-03-16 | Nippon Valqua Ind Ltd | Gate valve for vacuum |
| DE102010053411A1 (en) * | 2009-12-15 | 2011-06-16 | Vat Holding Ag | vacuum valve |
| CN202302042U (en) * | 2011-10-21 | 2012-07-04 | 三一重型装备有限公司 | Gate valve |
| CN202769033U (en) * | 2012-05-21 | 2013-03-06 | 江苏迪萨机械有限公司 | Ultrahigh temperature-resistant gate valve |
| CN206708424U (en) * | 2017-03-27 | 2017-12-05 | 北京玖加科技有限公司 | Slide valve |
-
2018
- 2018-02-10 CN CN201810138058.0A patent/CN108374903B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0116805A1 (en) * | 1983-02-18 | 1984-08-29 | Laurent Pierre Adrien Ramus | Gate valve |
| US4809950A (en) * | 1987-05-26 | 1989-03-07 | Siegfried Schertler | Valve slide with slide housing |
| JP2006070948A (en) * | 2004-08-31 | 2006-03-16 | Nippon Valqua Ind Ltd | Gate valve for vacuum |
| DE102010053411A1 (en) * | 2009-12-15 | 2011-06-16 | Vat Holding Ag | vacuum valve |
| CN102141160A (en) * | 2009-12-15 | 2011-08-03 | Vat控股公司 | Vacuum valve |
| CN202302042U (en) * | 2011-10-21 | 2012-07-04 | 三一重型装备有限公司 | Gate valve |
| CN202769033U (en) * | 2012-05-21 | 2013-03-06 | 江苏迪萨机械有限公司 | Ultrahigh temperature-resistant gate valve |
| CN206708424U (en) * | 2017-03-27 | 2017-12-05 | 北京玖加科技有限公司 | Slide valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108374903B (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210179123U (en) | Flange pipe connecting structure of steel bulk container | |
| CN108374903A (en) | A kind of slide valve being adapted to pass through band | |
| CN215568722U (en) | Flange convenient to dismantle | |
| CN217421647U (en) | Sealing device for cooler and cooler | |
| CN114623106A (en) | Sealing device for cooler and cooler | |
| CN212004678U (en) | Be applied to plugging device of GIS equipment SF6 gas leakage flange | |
| CN205064121U (en) | Axial symmetry thrust vectoring nozzle adjustment sheet seal press agency | |
| CN212226355U (en) | Corrosion-resistant flange tee joint | |
| CN204345156U (en) | For the expansion joint assembly of combustion engine power station ventilation channel system | |
| CN202954703U (en) | Elastic connecting structure, between double-layer containment, of large-scale nuclear power station equipment gate | |
| CN213982194U (en) | Redundant flow control valve | |
| CN220228171U (en) | Duplex three-way valve group mounting structure | |
| CN216078499U (en) | Electric butterfly valve | |
| CN203571267U (en) | Turnup flange structure used for pipe connection | |
| CN205745828U (en) | Pipeline whirl compensator | |
| CN211117945U (en) | Sliding sealing structure for motor valve | |
| CN217463605U (en) | Prevent electric control valve of leakage | |
| CN217401684U (en) | Blind plate with drainage system for test box | |
| CN216447700U (en) | Detachable heat-insulation colored shell for pipeline | |
| CN216078827U (en) | Gas pipeline emergency treatment device | |
| CN219549867U (en) | Pressing has cross section to become C shape ripple metal seal packing ring | |
| CN219388660U (en) | Air valve structure | |
| CN220452708U (en) | Spacing seal assembly of executor | |
| CN216980245U (en) | Flange type porcelain bushing with good sealing performance | |
| CN212155959U (en) | Sealing sleeve with anti-loosening water leakage structure for valve joint |
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 |