CN209686695U - Calcium silicate board with microporous furred ceiling - Google Patents
Calcium silicate board with microporous furred ceiling Download PDFInfo
- Publication number
- CN209686695U CN209686695U CN201920105256.7U CN201920105256U CN209686695U CN 209686695 U CN209686695 U CN 209686695U CN 201920105256 U CN201920105256 U CN 201920105256U CN 209686695 U CN209686695 U CN 209686695U
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- microporous
- calcium silicate
- silicate board
- adjustable
- hole
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Abstract
The utility model provides calcium silicate board with microporous furred ceiling, including muti-piece calcium silicate board with microporous, more main joists, more secondary joists, more hanger rod components, the hanger rod component includes expansion bolt, angle steel, screw rod and adjustable suspender member, the angle steel connects expansion bolt with screw rod, the adjustable suspender member includes connector and adjustable hanger, the connector is equipped with threaded hole, screw rod passes through threaded hole, the connector and adjustable hanger pass through adjustable connection above and below adjustment hole, the main joist is equipped with several hanging holes, the adjustable hanger passes through hanging hole and carries out suspension fixation to main joist, groove is equipped between two hanging holes, it is mutually clamped after the upper end insertion groove of a piece secondary joist with the upper end of another secondary joist, four sides of the calcium silicate board with microporous are located in the groove that main joist and secondary joist are combined into.The utility model calcium silicate board with microporous furred ceiling, installation procedure is few, installation is simple and convenient, reliable and stable, and ceiling height is adjustable, adaptable.
Description
Technical field
The utility model relates to building decoration technology fields, in particular to calcium silicate board with microporous furred ceiling.
Background technique
Calcium silicate board with microporous is also known as gypsum composite board, is a kind of multicomponent material, generally by natural gesso, white cement, glue, glass
Fiber composite forms.Calcium silicate board with microporous has the performances such as fire prevention, moisture-proof, sound insulation, heat-insulated, can attract in the case that there was dampness in the air indoors
Moisture in air when being air-dried, and can discharge hydrone, can suitably adjust Indoor Dry, humidity, increase comfort, extensively
The fields such as the general panel for being applied to wall, furred ceiling, floor, furniture, road sound insulation, combined wall board.
Sunpender and ceiling during installation, are usually attached using expansion bolt, are hung by existing calcium silicate board with microporous furred ceiling
The lower end of bar installs main suspension hook and carries out suspension fixation to light steel main joist, then passes through the connectors such as angle steel for aluminium alloy main joist
It is fixed, then aluminium alloy main joist and aluminium alloy secondary joist is fixed by modes such as clampings, finally put calcium silicate board with microporous
Enter and is fixed in the frame of aluminium alloy main joist and aluminium alloy secondary joist composition.
But the method for such installation calcium silicate board with microporous, it needs that expansion bolt and sunpender are carried out while being installed, installation requirement
Height, installation difficulty is big, and after the completion of hanger erection, the height of sunpender, cannot centainly to which the height of the calcium silicate board with microporous of installation is also certain
It is adjusted, is not able to satisfy the demand of different spaces furred ceiling, after the completion of hanger erection, sunpender is carried out again according to fixed height
Cutting, and the fixation of light steel main joist, aluminium alloy main joist and aluminium alloy secondary joist progress frame is needed when installation, it is such
It is arranged and increases the types of keel and also increase the process of installation, reduces working efficiency.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, calcium silicate board with microporous furred ceiling is provided, installation procedure is few,
Install simple and convenient, reliable and stable, ceiling height is adjustable, adaptable.
To achieve the above object, the utility model proposes calcium silicate board with microporous furred ceiling, including muti-piece calcium silicate board with microporous, more main joists,
More secondary joists, more hanger rod components, the hanger rod component include expansion bolt, angle steel, screw rod and adjustable suspender member, described swollen
Furred ceiling is fixedly connected by swollen bolt with the upper end of angle steel, and the lower end of the angle steel is fixedly connected with screw rod, the adjustable suspender member
Including connector and adjustable hanger, the connector include connecting rod one and be located at the symmetrically arranged connecting rod in one both ends of connecting rod
Two, the connecting rod two be equipped with threaded hole, the screw rod pass through two threaded holes, the connecting rod two rotatably with connection
Bar one connects, and spring is additionally provided between two connecting rods two, the connecting rod one is equipped with several adjustment holes one, described
It being set in adjustable hanger there are two connecting hole, two connecting holes are inter-connected via a bolt joint with corresponding adjustment hole one respectively,
The main joist is equipped with several hanging holes, and the adjustable hanger passes through hanging hole and carries out suspension fixation, two institutes to main joist
It states and is equipped with groove between hanging hole, mutually block after the upper end insertion groove of a secondary joist with the upper end of another secondary joist
It connects, the lower end two sides of the main joist are equipped with side one, and the lower end two sides of the secondary joist are equipped with side two, the calcium silicate board with microporous
Four sides are located on side one and side two.
It is arranged by the mutual cooperation of expansion bolt, angle steel and screw rod, staff can first carry out consolidating for expansion bolt
It is fixed, it is attached after angle steel and expansion bolt threaded connection, then by angle steel and screw rod, convenient and simple for connection, polarization is strong, leads to
The mutual cooperation setting of screw rod and adjustable suspender member is crossed, the thick of height can be carried out to main joist, secondary joist in the vertical direction
Adjusting and accurate adjustment section, degree of regulation is accurate, and screw rod versatility height is not required to be cut again, further improves safety when installation
Property and degree-of-difficulty factor when reducing installation, the mutual cooperation setting of calcium silicate board with microporous, main joist, secondary joist and adjustable suspender member adopt
Two kinds of main joist is replaced to be fixed with a seed type main joist, it is easy for installation simple, installation procedure is reduced, work is improved
Make efficiency, reduces material cost.
Preferably, the left end of the connecting rod two is equipped with smooth round surface, the round surface is equipped with finger locating slot
And neonychium, the positioning of finger locating slot opponent's fingering row, the finger that the setting of round surface and neonychium presses needs are protected
Shield mitigates possessed feeling of pain when finger pressing.
Preferably, being equipped with step in the threaded hole, the step is equipped with ring stiffener, the spiral shell on the screw rod
Groove is mutually connected and fixed with reinforcing rib, when spring in the raw under, connecting rod two is in angularly disposed drive threaded hole
Angularly disposed, the thread groove on screw rod is connected to the two sides of threaded hole, the setting of reinforcing rib strengthen thread groove and threaded hole it
Between clamping, improve the intensity of connection.
Preferably, being equipped with step in the threaded hole, the step is equipped with ring stiffener, the ring stiffener
It is equipped with magnetic stripe, the thread groove reinforcing rib on the screw rod is mutually clamped, and the screw thread on the screw rod attracts each other with magnetic stripe, when
Spring in the raw under, connecting rod two is in that angularly disposed drive threaded hole is angularly disposed, the thread groove clamping on screw rod
In the two sides of threaded hole, the setting of reinforcing rib and magnetic stripe strengthens the clamping between thread groove and threaded hole, when improving connection
Strength and stability.
Preferably, the adjustment hole one and connecting hole are waist-shaped hole, the quantity of the adjustment hole one is 3-4, waist
Type hole carries out fine adjustments to adjustable hanger, improves the fineness of adjusting.
Preferably, the adjustable hanger is L shape, it is additionally provided with adjustable plate on the upside of the adjustable hanger, it is described adjustable
The upper end of hook is equipped with adjustment hole two, and the lower end of the adjustable plate is equipped with fixation hole, and the adjustment hole two and fixation hole pass through spiral shell
Bolt is fixedly connected, and the adjustable plate is " Z " font, and the upper end of the adjustable plate is equipped with limit transverse slat, adjustable plate and limit transverse slat
Setting the fixation of main joist can be made more stable, also be suitble to different-thickness main joist fixation, strong applicability.
Preferably, the groove be it is rectangular, the lower end of the groove is additionally provided with intrusion slot, the secondary joist be it is "T"-shaped,
One end of the secondary joist is equipped with strip one, and the other end of the secondary joist is equipped with card slot one, the strip one and one mistake of card slot
It is full of cooperation, the end obliquely downward of the strip one and card slot one is equipped with interior filler rod, and the interior filler rod and intrusion slot are interference fitted, main joist
Groove, the strip one of secondary joist, card slot one mutual cooperation setting, the installation of secondary joist is simple and convenient, stabilization when installation
Property it is high, convenient disassembly is easy to maintenance.
Preferably, the both ends of the front and rear sides of the calcium silicate board with microporous are respectively equipped with card slot two, the card slot two is stuck in side
On one, the setting of card slot two increases the stability that calcium silicate board with microporous is fixed on main joist and secondary joist side, reduces because the external world shakes
A possibility that moving and calcium silicate board with microporous furred ceiling is made to generate resonance, improves the service life of calcium silicate board with microporous.
Preferably, foam packing is additionally provided between the calcium silicate board with microporous and the side one of main joist, the foam filling
Item is equipped with several sound-absorption holes, and the setting of foam packing further improves the soundproof effect of calcium silicate board with microporous, alleviates layer
Noise jamming between layer.
The utility model has the beneficial effects that the utility model passes through expansion bolt, angle steel, screw rod, adjustable suspender member, main dragon
The mutual cooperation of bone, secondary joist and calcium silicate board with microporous is arranged, and staff can first carry out the fixation of expansion bolt, by angle steel and expansion
After bolt thread connection, then angle steel and screw rod be attached, convenient and simple for connection, polarization is strong, and the lower end of screw rod passes through can
It adjusts suspender member that adjustable suspender member is fixed, carries out the coarse adjustment of height respectively to main joist, secondary joist by adjustable suspender member
The adjusting of section, accurate adjustment section and horizontal direction, degree of regulation is accurate, and screw rod versatility height is not required to be cut again, calcium silicate board with microporous furred ceiling
It is easy for installation simple, installation procedure is reduced, process efficiency is improved, reduces material cost；Secondary joist and main joist it is mutual
Clamping, the clamping of calcium silicate board with microporous and main joist improve the stability when installation of each component, prolong the service life.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the structural schematic diagram of hanger rod component.
Fig. 3 is the partial top view of connecting rod two.
Fig. 4 is the explosive view that calcium silicate board with microporous is connected with main joist.
Fig. 5 is the structural schematic diagram one of secondary joist.
Fig. 6 is the structural schematic diagram two of secondary joist.
Fig. 7 is the structural schematic diagram three of secondary joist.
In figure: 1- calcium silicate board with microporous, 2- main joist, 3- secondary joist, 4- hanger rod component, 5- magnetic stripe, 6- foam packing, 11- card
Slot two, 21- hanging hole, the side 22- one, the side 31- two, 32- strip one, 33- card slot one, filler rod in 34-, 41- expansion bolt,
42- angle steel, 43- screw rod, 44- is adjustable suspender member, 61- sound-absorption hole, 211- groove, 212- intrusion slot, 441- connector, 442- can
Adjust hook, 4411- connecting rod one, 4412- connecting rod two, 4413- threaded hole, 4414- spring, 4415- adjustment hole one, 4416-
Connecting hole, 4417- finger locating slot, 4418- neonychium, 4419- reinforcing rib, 4421- adjustable plate, 4422- adjustment hole two,
4123- limits transverse slat.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments,
The present invention will be further described in detail.However, it should be understood that specific embodiment described herein is only used to solve
The utility model is released, the range being not intended to limit the utility model.In addition, in the following description, being omitted to known features
With the description of technology, to avoid the concept for unnecessarily obscuring the utility model.
As shown in Figures 1 to 6, the utility model provide calcium silicate board with microporous furred ceiling, including muti-piece calcium silicate board with microporous 1, more main joists 2,
More secondary joists 3, more hanger rod components 4.
The hanger rod component 4 includes expansion bolt 41, angle steel 42, screw rod 43 and adjustable suspender member 44, the expansion bolt
41 are fixedly connected with furred ceiling with the upper end of angle steel 42, and the lower end of the angle steel 42 is fixedly connected with screw rod 43, pass through expansion bolt
41, the mutual cooperation setting of angle steel 42 and screw rod 43, staff can first carry out the fixation of expansion bolt 41, by 42 He of angle steel
After expansion bolt 41 is threadedly coupled, then angle steel 42 and screw rod 43 be attached, convenient and simple for connection, polarization is strong.
The adjustable suspender member 44 includes connector 441 and adjustable hanger 442, and the connector 441 includes connecting rod one
4411 and be located at the symmetrically arranged connecting rod 2 4412 in one 4411 both ends of connecting rod, the connecting rod 2 4412 be equipped with threaded hole
4413, the screw rod 43 passes through two threaded holes 4413, and the connecting rod 2 4412 is riveted with connecting rod 1, described in two
Spring 4414 is additionally provided between connecting rod 2 4412, the connecting rod 1 is equipped with several adjustment holes 1, described
It is set in adjustable hanger 442 there are two connecting hole 4416, two connecting holes 4416 are logical with corresponding adjustment hole 1 respectively
Bolt interconnection is crossed, the main joist 2 is equipped with several hanging holes 21, and the adjustable hanger 442 passes through 21 couples of masters of hanging hole
Keel 2 carry out suspension fixation, are arranged by the mutual cooperation of screw rod 43 and adjustable suspender member 44, can be in the vertical direction to master
Keel 2, secondary joist 3 carry out coarse adjustment and the accurate adjustment section of height, and degree of regulation is accurate, and 43 versatility height of screw rod is not required to be cut out again
It cuts, safety when further improving installation and degree-of-difficulty factor when reducing installation.
The left end of the connecting rod 2 4412 is equipped with smooth round surface, and the round surface is equipped with 4417 He of finger locating slot
Neonychium 4418, the positioning of 4417 opponent's fingering row of finger locating slot, 4418 pairs of neonychium need the finger pressed to protect, and subtract
Possessed feeling of pain when light finger pressing.
It is equipped with step in the threaded hole 4413, the step is equipped with ring stiffener 4419, on the screw rod 43
Thread groove is mutually connected and fixed with reinforcing rib 4419, when spring 4414 in the raw under, connecting rod 2 4412 be in it is oblique
Setting drives threaded hole 4413 angularly disposed, and the thread groove on screw rod 43 is connected to the two sides of threaded hole 4413, reinforcing rib 4419
Setting strengthen the clamping between thread groove and threaded hole 4413, improve the intensity of connection, also set on ring stiffener 4419
Be equipped with magnetic stripe 5, magnetic stripe 5 attracts each other with the screw thread on the screw rod 43, when spring 4414 in the raw under, connecting rod two
4412 is angularly disposed in angularly disposed drive threaded hole 4413, and the thread groove on screw rod 43 is connected to the two of threaded hole 4413
The setting of side, reinforcing rib 4419 and magnetic stripe 5 strengthens the clamping between thread groove and threaded hole 4413, strong when improving connection
Degree and stability.
The adjustment hole 1 and connecting hole 4416 are waist-shaped hole, and the quantity of the adjustment hole 1 is 3-4,
Waist-shaped hole carries out fine adjustments to adjustable hanger 442, improves the fineness of adjusting.
The adjustable hanger 442 is L shape, and the upside of the adjustable hanger 442 is additionally provided with adjustable plate 4421, described adjustable
The upper end of hook 442 is equipped with adjustment hole 2 4422, and the lower end of the adjustable plate 4421 is equipped with fixation hole, the adjustment hole 2 4422
It is bolted to connection with fixation hole, the adjustable plate 4421 is " Z " font, and the upper end of the adjustable plate 4421 is equipped with limit
The setting of transverse slat 4123, adjustable plate 4421 and limit transverse slat 4123 can make the fixation of main joist 2 more stable, also be suitble to
The fixation of the main joist 2 of different-thickness, strong applicability.
Be equipped with groove 211 between two hanging holes 21, after the upper end insertion groove 211 of secondary joist 3 with
The upper end of another secondary joist 3 is mutually clamped, and the lower end two sides of the main joist 2 are equipped with side 1, under the secondary joist 3
Two sides are held to be equipped with side 2 31, four sides of the calcium silicate board with microporous 1 are located on side 1 and side 2 31, calcium silicate board with microporous 1, main dragon
The mutual cooperation of bone 2, secondary joist 3 and adjustable suspender member 44 is arranged, and replaces two kinds of main dragon using a seed type main joist 2
Bone 2 is fixed, easy for installation simple, reduces installation procedure, improves working efficiency, reduces material cost.
The groove 211 be it is rectangular, the lower end of the groove 211 is additionally provided with intrusion slot 212, and the secondary joist 3 is " T "
Shape, one end of the secondary joist 3 are equipped with strip 1, and the other end of the secondary joist 3 is equipped with card slot 1, the strip 1
Be interference fitted with card slot 1, the end obliquely downward of the strip 1 and card slot 1 is equipped with interior filler rod 34, the interior filler rod 34 with
Intrusion slot 212 is interference fitted, the mutual cooperation setting of the groove 211 of main joist 2, the strip 1 of secondary joist 3, card slot 1,
The installation of secondary joist 3 is simple and convenient, and stability when installation is high, and convenient disassembly is easy to maintenance, and the shape of secondary joist 3 can be
One of spill, T shape or open type.
The both ends of the front and rear sides of the calcium silicate board with microporous 1 are respectively equipped with card slot 2 11, and the card slot 2 11 is stuck in side 1
On, the setting of card slot 2 11 increases the stability that calcium silicate board with microporous 1 is fixed on 3 side of main joist 2 and secondary joist, reduces because of the external world
A possibility that vibrating and 1 furred ceiling of calcium silicate board with microporous is made to generate resonance improves the service life of calcium silicate board with microporous 1.
Foam packing 6 is additionally provided between the calcium silicate board with microporous 1 and the side 1 of main joist 2, on the foam packing 6
Equipped with several sound-absorption holes 61, the setting of foam packing 6 further improves the soundproof effect of calcium silicate board with microporous 1, alleviates layer
Noise jamming between layer.
Expansion bolt 41 and angle steel 42 during the work time, are fixed on smallpox first by 1 furred ceiling of the utility model calcium silicate board with microporous
On plate, then the upper end of screw rod 43 and angle steel 42 are connected and fixed by bolt, connector 441 2 is in horizontal with hand
State, spring 4414 compress, the lower end of screw rod 43 general height according to needed for furred ceiling are penetrated in threaded hole 4413, is then let go
Spring 4414 discharges elastic returning to original state, and connector 441 2 is in the reinforcing rib in angularly disposed rear thread hole 4413
4419 mutually connect and fix with the thread groove on screw rod 43, the connecting hole 4416 in adjustable hanger 442 as needed with it is corresponding
Adjustment hole 1 is inter-connected via a bolt joint, and carrys out the vertical height of further coarse adjustment main joist 2 and secondary joist 3, then is passed through
After waist-shaped hole carries out fine height adjustment, by the lower end of adjustable hanger 442 in the hanging hole 21 of main joist 2, then pass through
Main joist 2 is further fixed in the horizontal position for adjusting adjustable plate 4421, then sequentially passes through several secondary joists 3
One end and groove 211 are clamped the other end in the groove 211 of main joist 2 and adjacent secondary joist 3 is clamped, again by silicon after the completion of clamping
Calcium plate 1 is put into the groove that main joist 2 and secondary joist 3 form.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. calcium silicate board with microporous furred ceiling, it is characterised in that: including muti-piece calcium silicate board with microporous, more main joists, more secondary joists, more sunpender groups
Part, the hanger rod component include expansion bolt, angle steel, screw rod and adjustable suspender member, and the expansion bolt is by furred ceiling and angle steel
Upper end is fixedly connected, and the lower end of the angle steel is fixedly connected with screw rod, and the adjustable suspender member includes connector and adjustable hanger,
The connector includes connecting rod one and is located at the symmetrically arranged connecting rod two in one both ends of connecting rod, and the connecting rod two is equipped with
Threaded hole, the screw rod pass through two threaded holes, and the connecting rod two is rotatably connect with connecting rod one, two connections
It is additionally provided with spring between bar two, the connecting rod one is equipped with several adjustment holes one, sets that there are two connect in the adjustable hanger
Hole is connect, two connecting holes are inter-connected via a bolt joint with corresponding adjustment hole one respectively, and the main joist is equipped with several
Hanging hole, the adjustable hanger pass through hanging hole and carry out suspension fixation to main joist, are equipped with groove between two hanging holes,
It is mutually clamped after the upper end insertion groove of a piece secondary joist with the upper end of another secondary joist, the lower end two of the main joist
Side is equipped with side one, and the lower end two sides of the secondary joist are equipped with side two, and four sides of the calcium silicate board with microporous are located at one He of side
On side two.
2. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: it is bent that the left end of the connecting rod two is equipped with smooth circle
Face, the round surface are equipped with finger locating slot and neonychium.
3. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: step is equipped in the threaded hole, on the step
Equipped with ring stiffener, the thread groove on the screw rod is mutually connected and fixed with reinforcing rib.
4. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: step is equipped in the threaded hole, on the step
Equipped with ring stiffener, the ring stiffener is equipped with magnetic stripe, and the thread groove reinforcing rib on the screw rod is mutually clamped, described
Screw thread on screw rod attracts each other with magnetic stripe.
5. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: the adjustment hole one and connecting hole are waist-shaped hole,
The quantity of the adjustment hole one is 3-4.
6. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: the adjustable hanger is L shape, the adjustable hanger
Upside be additionally provided with adjustable plate, the upper end of the adjustable hanger is equipped with adjustment hole two, and the lower end of the adjustable plate is equipped with fixation hole,
The adjustment hole two and fixation hole are bolted to connection, and the adjustable plate is " Z " font, and the upper end of the adjustable plate is equipped with
Limit transverse slat.
7. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: the groove be it is rectangular, the lower end of the groove is also
Equipped with intrusion slot, the secondary joist be it is "T"-shaped, one end of the secondary joist is equipped with strip one, and the other end of the secondary joist is set
There is card slot one, the strip one is interference fitted with card slot one, and the end obliquely downward of the strip one and card slot one is equipped with interior filler rod, described
Interior filler rod and intrusion slot are interference fitted.
8. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: the both ends of the front and rear sides of the calcium silicate board with microporous are set respectively
There is card slot two, the card slot two is stuck on side one.
9. calcium silicate board with microporous furred ceiling as described in claim 1, it is characterised in that: between the calcium silicate board with microporous and the side one of main joist also
Equipped with foam packing, the foam packing is equipped with several sound-absorption holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105256.7U CN209686695U (en) | 2019-01-22 | 2019-01-22 | Calcium silicate board with microporous furred ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105256.7U CN209686695U (en) | 2019-01-22 | 2019-01-22 | Calcium silicate board with microporous furred ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209686695U true CN209686695U (en) | 2019-11-26 |
Family
ID=68599690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920105256.7U Expired - Fee Related CN209686695U (en) | 2019-01-22 | 2019-01-22 | Calcium silicate board with microporous furred ceiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209686695U (en) |
-
2019
- 2019-01-22 CN CN201920105256.7U patent/CN209686695U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20220122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |