CN108644439A - It is conveniently replaceable the fire valve of sealing strip - Google Patents
It is conveniently replaceable the fire valve of sealing strip Download PDFInfo
- Publication number
- CN108644439A CN108644439A CN201810401313.6A CN201810401313A CN108644439A CN 108644439 A CN108644439 A CN 108644439A CN 201810401313 A CN201810401313 A CN 201810401313A CN 108644439 A CN108644439 A CN 108644439A
- Authority
- CN
- China
- Prior art keywords
- sealing strip
- fixedly connected
- sealing
- fire valve
- block
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/006—Construction of housing; Use of materials therefor of hydrants
Abstract
The invention discloses the fire valves for being conveniently replaceable sealing strip, the equal fixing sleeve in both ends of the fire valve ontology and connection water pipe is connected to connection ring, the connecting hole there are four annular spread is opened up in the connection ring, the connecting hole activity is plugged with bolt, fixation is bolted in two adjacent connection rings, the inner ring side wall of the connection ring offers circular arc seal groove, pull out sealing-plug, rotary seal item, it is rotated further by knob, sealing strip is set to be detached with sealing-plug, sealing strip is inserted into fixed block and rotates, iron block is slided close to limited block, locating piece is again introduced into locating slot, sealing strip is fixed, make in sealing strip embedding sealing slot, sealing rod meets water and can absorb water, volume expansion, make fire valve ontology and the sealing of connection water pipe junction.It is i.e. replaceable and easy to operate without dismantling fire valve ontology and connection water pipe, it is time saving and energy saving, it is convenient for the replacement of sealing strip, improves work efficiency.
Description
Technical field
The present invention relates to field of fire fighting equipment, more particularly to are conveniently replaceable the fire valve of sealing strip.
Background technology
Fire-fighting sluice valve sealing structure is rising stem (RS.) elastic sluice valve with wedge-shaped sealing face, have sealed reliable, open flexibly, open/close states easily see
The features such as examining.It is commonly applied to the place of all kinds of fire fighting water system no requirement (NR) signal valves.It is widely used in：Chemical industry, petrochemical industry, oil,
Papermaking, mining, electric power, liquefied gas, food, pharmacy, plumbing, municipal administration, mechanical equipment coordination, electronics industry, the fields such as urban construction.
The junction of valve and water pipe is required for setting sealing rubber ring to ensure sealing performance, but sealing rubber ring is used in long-time
Sealing performance can decline afterwards, need replacing new sealing rubber ring to ensure performance, but under the prior art, replace sealing rubber ring
It is cumbersome, it needs completely to dismantle junction, it is time-consuming and laborious, it is inconvenient.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and what is proposed is conveniently replaceable disappearing for sealing strip
Anti- valve.
To achieve the goals above, present invention employs following technical solutions：
It is conveniently replaceable the fire valve of sealing strip, including fire valve ontology and connection water pipe, the fire valve ontology and company
The equal fixing sleeve in both ends of water receiving pipe is connected to connection ring, and the connecting hole there are four annular spread, the company are opened up in the connection ring
It connects hole activity and is plugged with bolt, fixation is bolted in adjacent two connection rings, and the inner ring side wall of the connection ring opens up
There is circular arc seal groove, the outer ring side wall of the connection ring offers the slot of the one of end face of perforation circular arc seal groove, described
The madial wall of circular arc seal groove and slot far from connection ring center offers matched sliding groove, and the circular arc seal groove sliding connects
It is connected to fixing device, the fixing device is fixedly connected with sliding iron block, and the sliding iron block is slidably connected with sliding groove, described
The two side of sliding iron block has been respectively fixedly connected with the first drawstring and the second drawstring, and first drawstring is separate to slide the one of iron block
End is fixedly connected on the first roll, and the shaft of first roll and first motor is fixedly and coaxially connected, and described first
Motor is fixedly connected in the first take-up slot opened up on sliding groove madial wall, the one end of second drawstring far from sliding iron block
It is fixedly connected with the second roll, the shaft of second roll and the second motor is fixedly and coaxially connected, second motor
It is fixedly connected in the second take-up slot opened up on sliding groove madial wall, the second take-up slot and the first take-up slot are located at
The both ends of sliding groove, the fixing device are connected with one end of sealing strip, and the other end of the sealing strip is connected with sealing-plug.
Preferably, the sealing strip includes wire, and the both ends of the surface of the wire offer thread groove, the metal
The lateral wall of silk is fixedly connected with sealing rod.
Preferably, the sealing-plug includes fixes sleeve, and the fixes sleeve activity is plugged in slot, the fixing sleeve
Cylinder is actively socketed on one end of wire, and the fixes sleeve screw thread is plugged with threaded rod, the threaded rod and close fixing sleeve
The thread groove of cylinder is threadedly coupled, and one end that the threaded rod is located at outside fixes sleeve is fixedly connected with knob.
Preferably, the fixing device includes fixed block, and the fixed block opens up fluted, and the inner bottom wall of the groove is solid
Surely it is connected with fixed thread column, the fixed thread column is threadedly coupled with the thread groove close to fixing device, the fixed block
Side wall offers through-hole, and the side wall of the wire offers the locating slot of matching through-hole, and the locating slot slidably connects fixed
Position block, the locating piece are connected with iron plate by connecting rod, and the side wall of the iron plate is connected with screens block, the bullet by spring
Spring is socketed in connecting rod, and the screens block is fixedly connected with the inner wall of through-hole, and screens block is between locating piece and iron plate.
Preferably, the sliding groove is fixed close to the madial wall of fixes sleeve and is embedded with permanent magnet.
Preferably, the circular arc seal groove madial wall is fixedly connected with limited block close to one end of the second roll, described
Limited block is rotatably connected to idler wheel close to the side wall of the second drawstring, and the idler wheel and the second drawstring are inconsistent.
Preferably, the connection ring at fire valve ontology both ends has been fixedly connected with power supply case, the power supply case it is interior
Portion is fixedly connected with power supply, first switch and the second switch, and the first switch, first motor and power supply pass through group by conducting wire
At a series circuit, the second switch, first motor and power supply are by conducting wire by forming a series circuit.
Preferably, twice of the width of the sealing rod equal to wire diameter.
Compared with prior art, the beneficial effects of the invention are as follows：Sealing-plug is pulled out, rotary seal item makes wire
It is detached with fixed block, is rotated further by knob, sealing strip is made to be detached with sealing-plug, taken on new sealing strip at this time, pass through rotation
Knob fixes sealing strip and sealing-plug, then sealing strip is inserted into fixed block and is rotated, and sliding iron block is close to limited block, positioning
Block is again introduced into locating slot, and sealing strip is fixed, and makes in sealing strip embedding sealing slot, when sliding iron block offsets with limited block
After touch, deenergization, then fixes sleeve is filled in slot, sealing rod meets water and can absorb water, and volume expansion makes fire valve ontology
With the sealing of connection water pipe junction.It is i.e. replaceable and easy to operate without dismantling fire valve ontology and connection water pipe, it saves
Shi Shengli is convenient for the replacement of sealing strip, is improved work efficiency.
Description of the drawings
Fig. 1 is appearance diagram proposed by the present invention；
Fig. 2 is A-A sectional views；
Fig. 3 is the portions B enlarged diagram；
Fig. 4 is the portions C enlarged diagram；
Fig. 5 is the portions D enlarged diagram.
In figure：Fire valve ontology 1, connection water pipe 2, connection ring 3, bolt 4, wire 5, fixes sleeve 6, sealing rod 7,
Fixed block 8, fixed thread column 9, sliding iron block 10, the first drawstring 11, the first roll 12, the second drawstring 13, limited block 14, rolling
Take turns the 15, second roll 16, permanent magnet 17, knob 18, threaded rod 19, power supply case 20, locating piece 21, connecting rod 22, iron plate 23,
Spring 24, screens block 25.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, the fire valve of sealing strip, including fire valve ontology 1 and connection water pipe 2, fire-fighting are conveniently replaceable
The equal fixing sleeve in both ends of valve body 1 and connection water pipe 2 is connected to connection ring 3, and the company there are four annular spread is opened up in connection ring 3
Hole is connect, connecting hole activity is plugged with bolt 4, and adjacent two connection rings 3 are connected and fixed by bolt 4, the inner ring side of connection ring 3
Wall offers circular arc seal groove, and the outer ring side wall of connection ring 3 offers the slot of the one of end face of perforation circular arc seal groove, circle
The madial wall of arc seal groove and slot far from 3 center of circle of connection ring offers matched sliding groove, and circular arc seal groove slidably connects
Fixing device, fixing device are fixedly connected with sliding iron block 10, and sliding iron block 10 is slidably connected with sliding groove, sliding iron block 10
Two side has been respectively fixedly connected with the first drawstring 11 and the second drawstring 13, and the one end of the first drawstring 11 far from sliding iron block 10 is fixed
It is connected on the first roll 12, the first roll 12 and the shaft of first motor are fixedly and coaxially connected, and first motor, which is fixed, to be connected
It is connected in the first take-up slot opened up on sliding groove madial wall, the one end of the second drawstring 13 far from sliding iron block 10 is fixedly connected with
The shaft of second roll 16, the second roll 16 and the second motor is fixedly and coaxially connected, and the second motor is fixedly connected on sliding
In the second take-up slot opened up on slot madial wall, the second take-up slot and the first take-up slot are located at the both ends of sliding groove, fixed
Device is connected with one end of sealing strip, and the other end of sealing strip is connected with sealing-plug, and sealing strip includes wire 5, wire 5
Both ends of the surface offer thread groove, and the lateral wall of wire 5 is fixedly connected with sealing rod 7, improves sealing effect, and sealing-plug includes
Fixes sleeve 6,6 activity of fixes sleeve are plugged in slot, and fixes sleeve 6 is actively socketed on one end of wire 5, fixes sleeve
6 screw threads are plugged with threaded rod 19, and threaded rod 19 is threadedly coupled with the thread groove close to fixes sleeve 6, and threaded rod 19, which is located at, to be fixed
One end outside sleeve 6 is fixedly connected with knob 18, is easily installed and dismantles, and fixing device includes fixed block 8, and fixed block 8 is opened
Equipped with groove, the inner bottom wall of groove is fixedly connected with fixed thread column 9, the thread groove of fixed thread column 9 and close fixing device
It is threadedly coupled, the side wall of fixed block 8 offers through-hole, and the side wall of wire 5 offers the locating slot of matching through-hole, and locating slot is slided
Dynamic to be connected with locating piece 21, locating piece 21 is connected with iron plate 23 by connecting rod 22, and the side wall of iron plate 23 is connected by spring 24
There are screens block 25, spring 24 to be socketed in connecting rod 22, screens block 25 is fixedly connected with the inner wall of through-hole, and screens block 25 is located at
It between locating piece 21 and iron plate 23, is easily installed and dismantles, sliding groove is fixed close to the madial wall of fixes sleeve 6 and is embedded with permanent magnet
17, it is easily installed, circular arc seal groove madial wall is fixedly connected with limited block 14, limited block 14 close to one end of the second roll 16
Side wall close to the second drawstring 13 is rotatably connected to idler wheel 15, and idler wheel 15 and the second drawstring 13 are inconsistent, 1 liang of fire valve ontology
The connection ring 3 at end has been fixedly connected with power supply case 20, and the inside of power supply case 20 is fixedly connected with power supply, first switch and second is opened
It closes, the width of sealing rod 7 is equal to twice of 5 diameter of wire.
Operation principle：Start first motor and pull out sealing-plug, sealing strip is pulled out from circular arc seal groove, drives
Sliding iron block 10 close to permanent magnet 17 and is attached together, and sliding iron block 10 is made to magnetize, and has magnetism, attracts iron plate 23 close to sliding
Dynamic iron block 10, and then locating piece 21 is made to be detached from locating slot closes first motor at this time into through-hole, rotary seal item,
So that wire 5 is detached with fixed block 8, be rotated further by knob 18, sealing strip is made to be detached with sealing-plug, takes on new sealing at this time
Item is fixed sealing strip and sealing-plug by turning knob 18, then sealing strip is inserted into fixed block 8 and is rotated, and makes sealing strip
It is fixed with fixing device, starts the second motor at this time, drive sliding iron block 10 close to limited block 14, locating piece 21 is again introduced into fixed
Position slot, is fixed sealing strip, makes in sealing strip embedding sealing slot, after sliding iron block 10 and limited block 14 is inconsistent, breaks
Switch power supply, then fixes sleeve 6 is filled in slot, sealing rod 7 meets water and can absorb water, volume expansion, makes fire valve ontology 1 and connects
2 junction of water receiving pipe seals.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. being conveniently replaceable the fire valve of sealing strip, including fire valve ontology（1）With connection water pipe（2）, which is characterized in that institute
State fire valve ontology（1）With connection water pipe（2）The equal fixing sleeve in both ends be connected to connection ring（3）, the connection ring（3）On open up
There are four the connecting hole of annular spread, the connecting hole activity is plugged with bolt（4）, adjacent two connection rings（3）Pass through spiral shell
Bolt（4）It is connected and fixed, the connection ring（3）Inner ring side wall offer circular arc seal groove, the connection ring（3）Outer ring side wall
The slot of the one of end face of perforation circular arc seal groove is offered, the circular arc seal groove and slot are far from connection ring（3）The center of circle
Madial wall offer matched sliding groove, the circular arc seal groove slidably connects fixing device, and the fixing device is fixed
It is connected with sliding iron block（10）, the sliding iron block（10）It is slidably connected with sliding groove, the sliding iron block（10）Two side
It has been respectively fixedly connected with the first drawstring（11）With the second drawstring（13）, first drawstring（11）Far from sliding iron block（10）One
End is fixedly connected on the first roll（12）On, first roll（12）It is fixedly and coaxially connected with the shaft of first motor,
The first motor is fixedly connected in the first take-up slot opened up on sliding groove madial wall, second drawstring（13）Far from sliding
Dynamic iron block（10）One end be fixedly connected with the second roll（16）, second roll（16）It is same with the shaft of the second motor
Axis is fixedly connected, and second motor is fixedly connected in the second take-up slot opened up on sliding groove madial wall, and described second receives
Wire casing and the first take-up slot are located at the both ends of sliding groove, and the fixing device is connected with one end of sealing strip, the sealing
The other end of item is connected with sealing-plug.
2. the fire valve according to claim 1 for being conveniently replaceable sealing strip, which is characterized in that the sealing strip includes gold
Belong to silk（5）, the wire（5）Both ends of the surface offer thread groove, the wire（5）Lateral wall be fixedly connected with only
Water bar（7）.
3. the fire valve according to claim 2 for being conveniently replaceable sealing strip, which is characterized in that the sealing-plug includes solid
Determine sleeve（6）, the fixes sleeve（6）Activity is plugged in slot, the fixes sleeve（6）It is actively socketed on wire（5）
One end, the fixes sleeve（6）Screw thread is plugged with threaded rod（19）, the threaded rod（19）With close fixes sleeve（6）'s
Thread groove is threadedly coupled, the threaded rod（19）Positioned at fixes sleeve（6）External one end is fixedly connected with knob（18）.
4. the fire valve according to claim 2 for being conveniently replaceable sealing strip, which is characterized in that the fixing device includes
Fixed block（8）, the fixed block（8）Open up fluted, the inner bottom wall of the groove is fixedly connected with fixed thread column（9）, institute
State fixed thread column（9）It is threadedly coupled with the thread groove close to fixing device, the fixed block（8）Side wall offer through-hole,
The wire（5）Side wall offer the locating slot of matching through-hole, the locating slot slidably connects locating piece（21）, described
Locating piece（21）Pass through connecting rod（22）It is connected with iron plate（23）, the iron plate（23）Side wall pass through spring（24）It is connected with card
Position block（25）, the spring（24）It is socketed in connecting rod（22）On, the screens block（25）It is fixedly connected with the inner wall of through-hole, and
Screens block（25）Positioned at locating piece（21）And iron plate（23）Between.
5. the fire valve according to claim 1 for being conveniently replaceable sealing strip, which is characterized in that the sliding groove is close to solid
Determine sleeve（6）Madial wall fix be embedded with permanent magnet（17）.
6. the fire valve according to claim 1 for being conveniently replaceable sealing strip, which is characterized in that in the circular arc seal groove
Side wall is close to the second roll（16）One end be fixedly connected with limited block（14）, the limited block（14）Close to the second drawstring
（13）Side wall be rotatably connected to idler wheel（15）, the idler wheel（15）With the second drawstring（13）It is inconsistent.
7. the fire valve according to claim 1 for being conveniently replaceable sealing strip, which is characterized in that the fire valve ontology
（1）The connection ring at both ends（3）It has been fixedly connected with power supply case（20）, the power supply case（20）Inside be fixedly connected with power supply,
First switch and the second switch.
8. the fire valve according to claim 2 for being conveniently replaceable sealing strip, which is characterized in that the sealing rod（7）'s
Width is equal to wire（5）Twice of diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401313.6A CN108644439B (en) | 2018-04-28 | 2018-04-28 | It is conveniently replaceable the fire valve of sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401313.6A CN108644439B (en) | 2018-04-28 | 2018-04-28 | It is conveniently replaceable the fire valve of sealing strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644439A true CN108644439A (en) | 2018-10-12 |
| CN108644439B CN108644439B (en) | 2019-05-03 |
Family
ID=63748659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810401313.6A Active CN108644439B (en) | 2018-04-28 | 2018-04-28 | It is conveniently replaceable the fire valve of sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644439B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375070A (en) * | 2019-07-19 | 2019-10-25 | 许良云 | A kind of environment-protective sealing adhesive tape |
| CN116717642A (en) * | 2023-08-07 | 2023-09-08 | 山东阳光博士太阳能工程有限公司 | Pipeline connecting device of photo-thermal and photovoltaic integrated assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11135196A (en) * | 1997-10-31 | 1999-05-21 | Ryosei Electro Circuit Syst Ltd | Waterproof connector |
| CN104989875A (en) * | 2015-05-19 | 2015-10-21 | 中国海洋石油总公司 | Submarine pipeline flange underwater abutting joint installation method |
| CN106051225A (en) * | 2016-07-21 | 2016-10-26 | 上海佳革智能科技有限公司 | Sealing device for drilling drainage maintenance for C-shaped ring of nuclear evaporator, and drainage method thereof |
| CN107732691A (en) * | 2017-11-23 | 2018-02-23 | 中山市标致电子科技有限公司 | A kind of home switch cabinet |
| CN208397288U (en) * | 2018-07-02 | 2019-01-18 | 自贡市佳世特密封制品有限公司 | A kind of rubber weather strip |
-
2018
- 2018-04-28 CN CN201810401313.6A patent/CN108644439B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11135196A (en) * | 1997-10-31 | 1999-05-21 | Ryosei Electro Circuit Syst Ltd | Waterproof connector |
| CN104989875A (en) * | 2015-05-19 | 2015-10-21 | 中国海洋石油总公司 | Submarine pipeline flange underwater abutting joint installation method |
| CN106051225A (en) * | 2016-07-21 | 2016-10-26 | 上海佳革智能科技有限公司 | Sealing device for drilling drainage maintenance for C-shaped ring of nuclear evaporator, and drainage method thereof |
| CN107732691A (en) * | 2017-11-23 | 2018-02-23 | 中山市标致电子科技有限公司 | A kind of home switch cabinet |
| CN208397288U (en) * | 2018-07-02 | 2019-01-18 | 自贡市佳世特密封制品有限公司 | A kind of rubber weather strip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375070A (en) * | 2019-07-19 | 2019-10-25 | 许良云 | A kind of environment-protective sealing adhesive tape |
| CN116717642A (en) * | 2023-08-07 | 2023-09-08 | 山东阳光博士太阳能工程有限公司 | Pipeline connecting device of photo-thermal and photovoltaic integrated assembly |
| CN116717642B (en) * | 2023-08-07 | 2023-11-03 | 山东阳光博士太阳能工程有限公司 | Pipeline connecting device of photo-thermal and photovoltaic integrated assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108644439B (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108644439A (en) | It is conveniently replaceable the fire valve of sealing strip | |
| CN106090238A (en) | A kind of staggered device for sealing magnetic fluid of split-type | |
| CN103352672A (en) | Turbine vibration drag reduction device for penetrating cable during coiled tubing well drilling | |
| CN109837950A (en) | A kind of fire hydrant with tube body public good fire-fighting exploitation | |
| CN208065169U (en) | The sealing structure of blood pressure measurement device | |
| CN208073421U (en) | A kind of coal mine gas drainage thieff hatch plugging device | |
| CN204387354U (en) | Bidirectional flow is wear-resisting revolves Ball type butlerfly valve | |
| CN206206644U (en) | A kind of butterfly valve seal component and the butterfly valve of the component is installed | |
| CN206600488U (en) | A kind of high school student, which tests, uses Anti-leakage water tap | |
| CN201162842Y (en) | Totally-enclosed magnetic valve | |
| CN207116976U (en) | A kind of gas tank dynamic sealing device | |
| CN201462014U (en) | Ceramic valve core | |
| CN209060404U (en) | Face side operation safety belt suspension arrangement | |
| CN204064378U (en) | A kind of electromagnetic flowmeter gauge outfit shell | |
| CN204082107U (en) | Firing angle perforator is determined in interior orientation | |
| CN209026327U (en) | A kind of flexible sealing crosses wall coil part | |
| CN206036232U (en) | Staggered device for sealing magnetic fluid of split type | |
| CN206638301U (en) | A kind of battery pack structure of gas meter, flow meter | |
| CN208057086U (en) | A kind of petroleum drilling and mining blowout prevention kelly cock | |
| CN205869523U (en) | Area is pressed pipeline and low pressure vessel area and is pressed trompil device subassembly | |
| CN201053329Y (en) | Mining blast-proof air tube | |
| CN209856428U (en) | Wear-resistant eccentric half-ball valve | |
| CN104389573A (en) | Inside-bushing staged fracturing fall ball seat type sliding sleeve | |
| CN109099220A (en) | A kind of flexible sealing crosses wall coil part | |
| CN104632625A (en) | Double-stage enthalpy-increasing compressor and air conditioner |
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 |