CN206774055U - A kind of interest type wishes Luo Lianxu fountain apparatus - Google Patents
A kind of interest type wishes Luo Lianxu fountain apparatus Download PDFInfo
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- CN206774055U CN206774055U CN201720327322.6U CN201720327322U CN206774055U CN 206774055 U CN206774055 U CN 206774055U CN 201720327322 U CN201720327322 U CN 201720327322U CN 206774055 U CN206774055 U CN 206774055U
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- water bottle
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Abstract
A kind of physics teaching experimental device is the utility model is related to, more particularly to a kind of interest type wishes Luo Lianxu fountain apparatus.The technical problems to be solved in the utility model is to provide a kind of cognition of learning interest that can improve student, intensification to material and is not easy to forget, improve the uncommon sieve fountain apparatus of continuous timing of Students ' Learning achievement.In order to solve the above-mentioned technical problem, the utility model provides such a continuous timing and wishes sieve fountain apparatus, includes annular water bottle, the first taper water bottle, the first rubber stopper, the first connecting tube, thin communicating pipe etc.；The first taper water bottle is provided with directly over second taper water bottle, the first rubber stopper is bonded between the first taper water bottle bottom and the second taper water bottle top.The utility model can carry out experimental demonstration by the utility model on Physics Classroom, be not easy to forget, improve the effect of Students ' Learning achievement so as to reach the cognition of the learning interest, intensification that can improve student to material.
Description
Technical field
A kind of physics teaching experimental device is the utility model is related to, more particularly to a kind of interest type wishes Luo Lianxu fountains dress
Put.
Background technology
Fountain is a kind of water or other liquid to be sprayed out into the group with given shape by shower nozzle by certain pressure
It is fit.Fountain original is a kind of natural landscape, is the outcrop of artesian water.Fountain in gardens, usually in order to make the need of scape
Will, that manually builds has ornamental water injector.Fountain can reduce dust with wetted perimeter air, reduce temperature.Fountain
The tiny globule hit with air molecule, can produce substantial amounts of negative oxygen ion, fountain is beneficial to improve appearance of city and enhancement residence
The people are physically and mentally healthy.Uncommon sieve fountain is invented by roman.
At present in physics lesson in hydromechanical teaching process, being carried out in fact on classroom without experiment device for teaching
Test, cause student to lack interest to physics, the curiosity of student could not be caused, cause the shortcomings that teaching of student, therefore
The cognition need badly and research and develop a kind of learning interest that can improve student, deepened to material is not easy to forget, improves Students ' Learning achievement
Continuous timing wish sieve fountain apparatus.
Utility model content
（1）Technical problems to be solved
The utility model fills to overcome at present in physics lesson in hydromechanical teaching process without teaching experiment
Put and tested on classroom, cause student to lack interest to physics, cause the shortcomings that teaching of student, the utility model
Technical problems to be solved are to provide a kind of cognition of learning interest that can improve student, intensification to material and are not easy to forget, carry
Sieve fountain apparatus is wished in the continuous timing of high Students ' Learning achievement.
（2）Technical scheme
In order to solve the above-mentioned technical problem, the utility model provides such a continuous timing and wishes sieve fountain apparatus, bag
Annular water bottle, the first taper water bottle, the first rubber stopper, the first connecting tube, thin communicating pipe, the second taper water bottle and the second company are included
Adapter, is provided with the first taper water bottle directly over the second taper water bottle, the first taper water bottle bottom and the second taper water bottle top
Between be bonded with the first rubber stopper, the first taper water bottle and the second taper water bottle peripheral bond have annular water bottle, the first taper water bottle
Right upper portion is welded with the first connecting tube, and for the first connecting tube on the right side of annular water bottle, the first connecting tube bottom is located at annular water
Bottle right side, the second taper water bottle left side central portion are welded with the second connecting tube, and the second connecting tube top is run through on the left of annular water bottle, the
Two connecting tube tops are located in annular water bottle, are provided with thin communicating pipe in the first rubber stopper, thin communicating pipe top is located at the first taper
Bottom in water bottle, thin communicating pipe bottom are located at bottom in the second taper water bottle.
Preferably, continuous time set includes the first threeway, the 3rd connecting tube, the first valve, the 4th connecting tube, second
Threeway, the 5th connecting tube, the second valve, the 6th connecting tube and seal bottle cap, the first connecting tube is cut into two sections, is cut into two sections
The second threeway is connected between first connection, the second threeway left end is connected with the 6th connecting tube, the 6th connecting tube left end and first
Taper water bottle right flank bottom connects, and in its connection, the 6th connecting tube is provided with the second valve, then the second connecting tube is cut into
Two sections, it is cut between two sections of the second connection and is connected with the first threeway, the first threeway right-hand member is connected with the 4th connecting tube, and the 4th connects
Adapter right-hand member is connected with the second taper water bottle left surface top, and cuts out an opening in its connection, then the second taper water bottle,
Opening is provided with seal bottle cap.
Preferably, sealing gasket is also included, the mode that seal bottle cap inner bottom part is connected by screw is connected with sealing gasket.
Preferably, the second rubber stopper is also included, annular water bottle right upper portion is provided with steam vent, second is provided with steam vent
Rubber stopper.
Preferably, annular water bottle, the first taper water bottle and the second taper water bottle are transparent plastic.
Preferably, the first connecting tube, the second connecting tube, the 3rd connecting tube and the 4th connecting tube are hard tube.
Operation principle：When initial, the annular built-in full water of water bottle, then teacher pour into appropriate water in the first taper water bottle,
Water in first taper water bottle is flowed into the second taper water bottle by thin communicating pipe, and the gas in the second taper water bottle is pressed
Contract, the gas in the second taper water bottle is flowed into annular water bottle by the second connecting tube, and then the water in annular water bottle then passes through
First connecting tube is sprayed into the first taper water bottle.It is such then can to physics lesson on it is hydromechanical teaching carry out experimental demonstration.
Because continuous timing includes device, the first threeway, the 3rd connecting tube, the first valve, the 4th connecting tube, the two or three
First connecting tube, is cut into two sections by logical, the 5th connecting tube, the second valve, the 6th connecting tube and seal bottle cap, be cut into two sections the
The second threeway is connected between one connection, the second threeway left end is connected with the 6th connecting tube, the 6th connecting tube left end and the first cone
Shape water bottle right flank bottom connects, and in its connection, the 6th connecting tube is provided with the second valve, then the second connecting tube is cut into two
Section, it is cut between two sections of the second connection and is connected with the first threeway, the first threeway right-hand member is connected with the 4th connecting tube, the 4th connection
Pipe right-hand member is connected with the second taper water bottle left surface top, and cuts out an opening in its connection, then the second taper water bottle, is opened
Mouth is provided with seal bottle cap.When the water level in annular water bottle is less than the first connection bottom of the tube, a closure can be separately taken to cover
On first taper water bottle, then the utility model put upside down, now, close the first valve, open the second valve, and by seal bottle cap
Remove.When first valve is opened, the water in the second taper water bottle is flowed into annular water bottle by the second connecting tube, the first taper water
Gas in bottle is flowed into annular water bottle by the first connecting tube.So as to can be tested again next time.
Because also including sealing gasket, the mode that seal bottle cap inner bottom part is connected by screw is connected with sealing gasket.Sealing
Pad has good sealing, can prevent the water in the second taper water bottle from flowing out.
Because also including the second rubber stopper, annular water bottle right upper portion is provided with steam vent, and the second rubber is provided with steam vent
Leather plug.When the utility model is put upside down, the second rubber stopper can be extracted, the gas in annular water bottle can be made to release faster, is improved
Experiment effect.
（3）Beneficial effect
The utility model can carry out experimental demonstration by the utility model on Physics Classroom, can be improved so as to reach
The learning interest of student, the cognition deepened to material are not easy to forget, improve the effect of Students ' Learning achievement.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present utility model.
Fig. 2 is second of main structure diagram of the present utility model.
Fig. 3 is the third main structure diagram of the present utility model.
Mark in accompanying drawing for：1- annular water bottles, 2- the first taper water bottles, the rubber stoppers of 3- first, the connecting tubes of 4- first, 5-
Thin communicating pipe, 6- the second taper water bottles, the connecting tubes of 7- second, the continuous time sets of 8-, the connecting tubes of 81- the 3rd, the valves of 82- first
Door, the connecting tubes of 83- the 4th, the threeways of 84- second, the connecting tubes of 85- the 5th, the valves of 86- second, the connecting tubes of 87- the 6th, 88- sealings
Bottle cap, the threeways of 89- first, 9- sealing gaskets, the rubber stoppers of 10- second, 11- steam vents.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
Sieve fountain apparatus is wished in a kind of continuous timing, as Figure 1-3, includes annular water bottle 1, the first taper water bottle 2, the
One rubber stopper 3, the first connecting tube 4, thin communicating pipe 5, the second taper water bottle 6 and the second connecting tube 7, the second taper water bottle 6 just on
Side is provided with the first taper water bottle 2, and the first rubber stopper is bonded between the bottom of the first taper water bottle 2 and the top of the second taper water bottle 6
3, the first taper water bottle 2 and the peripheral bond of the second taper water bottle 6 have annular water bottle 1, and the right upper portion of the first taper water bottle 2 is welded with
First connecting tube 4, for the first connecting tube 4 through the annular right side of water bottle 1, the bottom of the first connecting tube 4 is located at the annular right side of water bottle 1, the
The left side central portion of two taper water bottle 6 is welded with the second connecting tube 7, and through the annular left side of water bottle 1, second connects on the top of the second connecting tube 7
The top of adapter 7 is located in annular water bottle 1, is provided with thin communicating pipe 5 in the first rubber stopper 3, the thin top of communicating pipe 5 is located at the first taper
Bottom in water bottle 2, the thin bottom of communicating pipe 5 are located at bottom in the second taper water bottle 6.
Embodiment 2
Sieve fountain apparatus is wished in a kind of continuous timing, as Figure 1-3, includes annular water bottle 1, the first taper water bottle 2, the
One rubber stopper 3, the first connecting tube 4, thin communicating pipe 5, the second taper water bottle 6 and the second connecting tube 7, the second taper water bottle 6 just on
Side is provided with the first taper water bottle 2, and the first rubber stopper is bonded between the bottom of the first taper water bottle 2 and the top of the second taper water bottle 6
3, the first taper water bottle 2 and the peripheral bond of the second taper water bottle 6 have annular water bottle 1, and the right upper portion of the first taper water bottle 2 is welded with
First connecting tube 4, for the first connecting tube 4 through the annular right side of water bottle 1, the bottom of the first connecting tube 4 is located at the annular right side of water bottle 1, the
The left side central portion of two taper water bottle 6 is welded with the second connecting tube 7, and through the annular left side of water bottle 1, second connects on the top of the second connecting tube 7
The top of adapter 7 is located in annular water bottle 1, is provided with thin communicating pipe 5 in the first rubber stopper 3, the thin top of communicating pipe 5 is located at the first taper
Bottom in water bottle 2, the thin bottom of communicating pipe 5 are located at bottom in the second taper water bottle 6.
Continuous time set 8 includes the first threeway 89, the 3rd connecting tube 81, the first valve 82, the 4th connecting tube 83, the
Two threeways 84, the 5th connecting tube 85, the second valve 86, the 6th connecting tube 87 and seal bottle cap 88, the first connecting tube 4 is cut into two
Section, it is cut between two sections of the first connection and is connected with the second threeway 84, the left end of the second threeway 84 is connected with the 6th connecting tube 87, and the
The left end of six connecting tube 87 is connected with the right flank bottom of the first taper water bottle 2, and is provided with second in its connection, the 6th connecting tube 87
Valve 86, then the second connecting tube 7 is cut into two sections, it is cut between two sections of the second connection and is connected with the first threeway the 89, the 1st
Logical 89 right-hand members are connected with the 4th connecting tube 83, and the right-hand member of the 4th connecting tube 83 is connected with the left surface top of the second taper water bottle 6, and in
It is connected, then the second taper water bottle 6 is cut out an opening, and opening is provided with seal bottle cap 88.
Embodiment 3
Sieve fountain apparatus is wished in a kind of continuous timing, as Figure 1-3, includes annular water bottle 1, the first taper water bottle 2, the
One rubber stopper 3, the first connecting tube 4, thin communicating pipe 5, the second taper water bottle 6 and the second connecting tube 7, the second taper water bottle 6 just on
Side is provided with the first taper water bottle 2, and the first rubber stopper is bonded between the bottom of the first taper water bottle 2 and the top of the second taper water bottle 6
3, the first taper water bottle 2 and the peripheral bond of the second taper water bottle 6 have annular water bottle 1, and the right upper portion of the first taper water bottle 2 is welded with
First connecting tube 4, for the first connecting tube 4 through the annular right side of water bottle 1, the bottom of the first connecting tube 4 is located at the annular right side of water bottle 1, the
The left side central portion of two taper water bottle 6 is welded with the second connecting tube 7, and through the annular left side of water bottle 1, second connects on the top of the second connecting tube 7
The top of adapter 7 is located in annular water bottle 1, is provided with thin communicating pipe 5 in the first rubber stopper 3, the thin top of communicating pipe 5 is located at the first taper
Bottom in water bottle 2, the thin bottom of communicating pipe 5 are located at bottom in the second taper water bottle 6.
Continuous time set 8 includes the first threeway 89, the 3rd connecting tube 81, the first valve 82, the 4th connecting tube 83, the
Two threeways 84, the 5th connecting tube 85, the second valve 86, the 6th connecting tube 87 and seal bottle cap 88, the first connecting tube 4 is cut into two
Section, it is cut between two sections of the first connection and is connected with the second threeway 84, the left end of the second threeway 84 is connected with the 6th connecting tube 87, and the
The left end of six connecting tube 87 is connected with the right flank bottom of the first taper water bottle 2, and is provided with second in its connection, the 6th connecting tube 87
Valve 86, then the second connecting tube 7 is cut into two sections, it is cut between two sections of the second connection and is connected with the first threeway the 89, the 1st
Logical 89 right-hand members are connected with the 4th connecting tube 83, and the right-hand member of the 4th connecting tube 83 is connected with the left surface top of the second taper water bottle 6, and in
It is connected, then the second taper water bottle 6 is cut out an opening, and opening is provided with seal bottle cap 88.
Also include sealing gasket 9, the mode that the inner bottom part of seal bottle cap 88 is connected by screw is connected with sealing gasket 9.
Embodiment 4
Sieve fountain apparatus is wished in a kind of continuous timing, as Figure 1-3, includes annular water bottle 1, the first taper water bottle 2, the
One rubber stopper 3, the first connecting tube 4, thin communicating pipe 5, the second taper water bottle 6 and the second connecting tube 7, the second taper water bottle 6 just on
Side is provided with the first taper water bottle 2, and the first rubber stopper is bonded between the bottom of the first taper water bottle 2 and the top of the second taper water bottle 6
3, the first taper water bottle 2 and the peripheral bond of the second taper water bottle 6 have annular water bottle 1, and the right upper portion of the first taper water bottle 2 is welded with
First connecting tube 4, for the first connecting tube 4 through the annular right side of water bottle 1, the bottom of the first connecting tube 4 is located at the annular right side of water bottle 1, the
The left side central portion of two taper water bottle 6 is welded with the second connecting tube 7, and through the annular left side of water bottle 1, second connects on the top of the second connecting tube 7
The top of adapter 7 is located in annular water bottle 1, is provided with thin communicating pipe 5 in the first rubber stopper 3, the thin top of communicating pipe 5 is located at the first taper
Bottom in water bottle 2, the thin bottom of communicating pipe 5 are located at bottom in the second taper water bottle 6.
Continuous time set 8 includes the first threeway 89, the 3rd connecting tube 81, the first valve 82, the 4th connecting tube 83, the
Two threeways 84, the 5th connecting tube 85, the second valve 86, the 6th connecting tube 87 and seal bottle cap 88, the first connecting tube 4 is cut into two
Section, it is cut between two sections of the first connection and is connected with the second threeway 84, the left end of the second threeway 84 is connected with the 6th connecting tube 87, and the
The left end of six connecting tube 87 is connected with the right flank bottom of the first taper water bottle 2, and is provided with second in its connection, the 6th connecting tube 87
Valve 86, then the second connecting tube 7 is cut into two sections, it is cut between two sections of the second connection and is connected with the first threeway the 89, the 1st
Logical 89 right-hand members are connected with the 4th connecting tube 83, and the right-hand member of the 4th connecting tube 83 is connected with the left surface top of the second taper water bottle 6, and in
It is connected, then the second taper water bottle 6 is cut out an opening, and opening is provided with seal bottle cap 88.
Also include sealing gasket 9, the mode that the inner bottom part of seal bottle cap 88 is connected by screw is connected with sealing gasket 9.
Also include the second rubber stopper 10, the annular right upper portion of water bottle 1 is provided with steam vent 11, second is provided with steam vent 11
Rubber stopper 10.
Annular water bottle 1, the first taper water bottle 2 and the second taper water bottle 6 are transparent plastic.
First connecting tube 4, the second connecting tube 7, the 3rd connecting tube 81 and the 4th connecting tube 83 are hard tube.
Operation principle：When initial, annular 1 built-in full water of water bottle, then teacher poured into the first taper water bottle 2 appropriate
Water, the water in the first taper water bottle 2 is flowed into the second taper water bottle 6 by thin communicating pipe 5, to the gas in the second taper water bottle 6
Body is compressed, and the gas in the second taper water bottle 6 is flowed into annular water bottle 1 by the second connecting tube 7, then annular water bottle 1
Interior water is then sprayed into the first taper water bottle 2 by the first connecting tube 4.It is such then can be to physics lesson on hydromechanical teaching
Carry out experimental demonstration.
Because continuous timing includes device, the first threeway 89, the 3rd connecting tube 81, the first valve 82, the 4th connecting tube
83rd, the second threeway 84, the 5th connecting tube 85, the second valve 86, the 6th connecting tube 87 and seal bottle cap 88, the first connecting tube 4
Two sections are cut into, is cut between two sections of the first connection and is connected with the second threeway 84, the left end of the second threeway 84 is connected with the 6th connection
Pipe 87, the left end of the 6th connecting tube 87 are connected with the right flank bottom of the first taper water bottle 2, and in its connection, the 6th connecting tube 87
Be cut into two sections provided with the second valve 86, then the second connecting tube 7, be cut into two sections second connection between be connected with the first threeway
89, the right-hand member of the first threeway 89 is connected with the 4th connecting tube 83, the right-hand member of the 4th connecting tube 83 and the left surface top of the second taper water bottle 6
Connection, and an opening is cut out in its connection, then the second taper water bottle 6, opening is provided with seal bottle cap 88.When annular water bottle
When water level in 1 is less than the first 4 bottom of connecting tube, a closure can be separately taken to cover on the first taper water bottle 2, then this practicality
It is new to put upside down, now, the first valve 82 is closed, open the second valve 86, and seal bottle cap 88 is removed.First valve 82 is opened
When, the water in the second taper water bottle 6 is flowed into annular water bottle 1 by the second connecting tube 7, and the gas in the first taper water bottle 2 leads to
The first connecting tube 4 is crossed to flow into annular water bottle 1.So as to can be tested again next time.
Because also including sealing gasket 9, the mode that the inner bottom part of seal bottle cap 88 is connected by screw is connected with sealing gasket 9.
Sealing gasket 9 has good sealing, can prevent the water in the second taper water bottle 6 from flowing out.
Because also including the second rubber stopper 10, the annular right upper portion of water bottle 1 is provided with steam vent 11, is provided with steam vent 11
Second rubber stopper 10.When the utility model is put upside down, the second rubber stopper 10 can be extracted, gas in annular water bottle 1 can be made faster
Releasing, improve experiment effect.
Embodiment described above only expresses preferred embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
1. sieve fountain apparatus is wished in a kind of continuous timing, it is characterised in that includes annular water bottle（1）, the first taper water bottle（2）、
First rubber stopper（3）, the first connecting tube（4）, thin communicating pipe（5）, the second taper water bottle（6）With the second connecting tube（7）, the second cone
Shape water bottle（6）Surface is provided with the first taper water bottle（2）, the first taper water bottle（2）Bottom and the second taper water bottle（6）Top it
Between be bonded with the first rubber stopper（3）, the first taper water bottle（2）With the second taper water bottle（6）Peripheral bond has annular water bottle（1）,
First taper water bottle（2）Right upper portion is welded with the first connecting tube（4）, the first connecting tube（4）Through annular water bottle（1）Right side,
First connecting tube（4）Bottom is located at annular water bottle（1）Right side, the second taper water bottle（6）Left side central portion is welded with the second connecting tube
（7）, the second connecting tube（7）Annular water bottle is run through on top（1）Left side, the second connecting tube（7）Top is located at annular water bottle（1）It is interior,
First rubber stopper（3）It is interior to be provided with thin communicating pipe（5）, thin communicating pipe（5）Top is located at the first taper water bottle（2）Interior bottom, carefully connects
Siphunculus（5）Bottom is located at the second taper water bottle（6）Interior bottom.
2. sieve fountain apparatus is wished in a kind of continuous timing according to claim 1, it is characterised in that continuous time set（8）
Include the first threeway（89）, the 3rd connecting tube（81）, the first valve（82）, the 4th connecting tube（83）, the second threeway（84）,
Five connecting tubes（85）, the second valve（86）, the 6th connecting tube（87）And seal bottle cap（88）, the first connecting tube（4）It is cut into two
Section, be cut into two sections first connection between be connected with the second threeway（84）, the second threeway（84）Left end is connected with the 6th connecting tube
（87）, the 6th connecting tube（87）Left end and the first taper water bottle（2）Right flank bottom connects, and communicates therewith, the 6th connecting tube
（87）It is provided with the second valve（86）, then the second connecting tube（7）Be cut into two sections, be cut into two sections second connection between be connected with
First threeway（89）, the first threeway（89）Right-hand member is connected with the 4th connecting tube（83）, the 4th connecting tube（83）Right-hand member and the second cone
Shape water bottle（6）Left surface top connects, and communicates therewith, then the second taper water bottle（6）An opening is cut out, opening is provided with
Seal bottle cap（88）.
3. sieve fountain apparatus is wished in a kind of continuous timing according to claim 2, it is characterised in that also includes sealing gasket
（9）, seal bottle cap（88）The mode that inner bottom part is connected by screw is connected with sealing gasket（9）.
4. sieve fountain apparatus is wished in a kind of continuous timing according to claim 3, it is characterised in that also includes the second rubber
Plug（10）, annular water bottle（1）Right upper portion is provided with steam vent（11）, steam vent（11）Inside it is provided with the second rubber stopper（10）.
5. sieve fountain apparatus is wished in a kind of continuous timing according to claim 4, it is characterised in that annular water bottle（1）, first
Taper water bottle（2）With the second taper water bottle（6）For transparent plastic.
6. sieve fountain apparatus is wished in a kind of continuous timing according to claim 5, it is characterised in that the first connecting tube（4）,
Two connecting tubes（7）, the 3rd connecting tube（81）With the 4th connecting tube（83）It is hard tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327322.6U CN206774055U (en) | 2017-03-31 | 2017-03-31 | A kind of interest type wishes Luo Lianxu fountain apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327322.6U CN206774055U (en) | 2017-03-31 | 2017-03-31 | A kind of interest type wishes Luo Lianxu fountain apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774055U true CN206774055U (en) | 2017-12-19 |
Family
ID=60630893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720327322.6U Expired - Fee Related CN206774055U (en) | 2017-03-31 | 2017-03-31 | A kind of interest type wishes Luo Lianxu fountain apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206774055U (en) |
-
2017
- 2017-03-31 CN CN201720327322.6U patent/CN206774055U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20180331 |