CN205028784U - Serial -type environmental protection type capacitor shell - Google Patents
Serial -type environmental protection type capacitor shell Download PDFInfo
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- CN205028784U CN205028784U CN201520777556.1U CN201520777556U CN205028784U CN 205028784 U CN205028784 U CN 205028784U CN 201520777556 U CN201520777556 U CN 201520777556U CN 205028784 U CN205028784 U CN 205028784U
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- shell
- protuberance
- casing
- side plate
- lower house
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Abstract
The utility model relates to a serial -type environmental protection type capacitor shell belongs to the condenser field, going up the casing and the cylindric casing down that has the bottom including pipe form, going up the casing and be provided with casing in the minimum pipe form down between the casing, the external diameter of casing equaled the external diameter of casing down during the external diameter of going up the casing equaled, the internal diameter of casing under the internal diameter of casing equaled during the internal diameter of going up the casing equaled, the upper end of going up the casing is provided with the first convex part of pipe form, and the internal diameter of first convex part is greater than the internal diameter of casing, goes up through first internal thread and first external screw thread fixed connection between casing and the well casing, through second internal thread and second external screw thread fixed connection between well casing and the lower casing. This capacitor structure is simple, simple to operate, practices thrift capacitor case's manufacturing cost and the follow -up quantity that fills epoxy, and is with low costs and energy -concerving and environment -protective, can assemble according to the multistage extension of different demands, the range of application is wide, implements effectually.
Description
Technical field
The utility model relates to a kind of capacitor case, particularly relates to tandem environment protection type capacitor shell.
Background technology
Capacitor, is called for short electric capacity, as the term suggests being " container of dress electricity ", is a kind of device holding electric charge.Capacitor is the indispensable key foundation element of electronic product, is widely used in the fields such as consumer electronics product, communication products, computer product, instrument and meter, Automated condtrol, auto industry, photovoltaic, railway and military project.
In recent years, along with making rapid progress of electronic information technology, the update speed goes of digital electronic goods is fast, based on the consumer electronics product volume of production and marketing sustainable growth of the products such as panel TV (LCD and PDP), notebook computer, digital camera, washing machine, air-conditioning, capacitor industry has been driven to increase.No matter in quantity, qualitatively China's capacitor, or in service, can both meet the needs of complete electronic set and household electrical appliance development, and drive the development of associated materials, equipment Industry, become global capacitor big producing country.
Since reform and opening-up, capacitor manufacturing industry is turned to inland of China by Japan, Korea S and Taiwan, world's electronic information complete machine manufacturing industry is set up factories in inland of China, trans-corporation purchases in inland of China, capacitor needed for the complete machine production of domestic market increases by a fairly big margin, and China more and more becomes the staple market of global capacitor consumption.In addition, the application of capacitor is also in continuous expansion, and Power capacitor industry is interior over the next several years exists larger development space.Capacitor case is as an important component part in capacitor, and the development of Power capacitor industry drives capacitor case manufacturing flourish.
Because capacitor is as a kind of electric elements in electronic product, its installation site, size, electrical parameter etc. in circuit has all been fixed, for ensureing integrality and the consistency of electronic product, its installation site, size, electrical parameter can not arbitrarily be changed.But more existing electronic products need some extraordinary capacitors required, as the capacitor of the many times of capacitances such as demand 2 times 3 times on the basis of original small-sized installation dimension.On this basis, need the structure changing core as the quantity by increasing core, the capacitance increasing core is connected in series between core, because the core quantity of series connection is various, cause the outer cover length of capacitor changeable, produce to the shell of capacitor and bring huge trouble, add the die cost of great number; And existing capacitor serial electric shell of tank internal capacity is comparatively large, and the occupation rate of core in capacitor case is lower, not only manufacturing cost is high but also cause the content of epoxy resin of follow-up perfusion very high, not energy-conserving and environment-protective.
Utility model content
The deficiency that the utility model exists for prior art, provide tandem environment protection type capacitor shell, concrete technical scheme is as follows:
Tandem environment protection type capacitor shell, comprise circular tube shaped upper shell and with the cylindric lower house at the bottom of shell, a minimum circular tube shaped middle shell is provided with between upper shell and lower house, the external diameter that the external diameter of upper shell equals middle shell equals the external diameter of lower house, and the internal diameter that the internal diameter of upper shell equals middle shell equals the internal diameter of lower house; The upper end of described upper shell is provided with circular tube shaped first protuberance, and the internal diameter of the first protuberance is greater than the internal diameter of upper shell, and the lower end of upper shell is provided with circular tube shaped second protuberance, and the inwall of the second protuberance is provided with the first internal thread; The upper end of described middle shell is provided with circular tube shaped the 3rd protuberance, and the arranged outside of the 3rd protuberance has the first external screw thread matched with the first internal thread, is fixedly connected with between upper shell and middle shell by the first internal thread with the first external screw thread; The lower end of middle shell is provided with circular tube shaped the 4th protuberance, and the inwall of the 4th protuberance is provided with the second internal thread matched with the first external screw thread; The upper end of described lower house is provided with circular tube shaped the 5th protuberance, and the arranged outside of the 5th protuberance has the second external screw thread matched with the second internal thread, is fixedly connected with between middle shell and lower house by the second internal thread with the second external screw thread.
As the improvement of technique scheme, the inwall of described upper shell is arranged multiple L shape first side plate, the first side plate with the center line of upper shell for axle is symmetric; The inwall of middle shell is arranged multiple L shape second side plate, the second side plate with the center line of middle shell for axle is symmetric; The inwall of lower house is arranged multiple L shape the 3rd side plate, the 3rd side plate for axle is symmetric, is provided with gap between at the bottom of the bottom of the 3rd side plate and shell with the center line of lower house.
As the improvement of technique scheme, described first side plate and upper shell are integral type structure, and the second side plate and middle shell are integral type structure, and the 3rd side plate and lower house are integral type structure.
As the improvement of technique scheme, the surface of described first internal thread is coated with one deck adhesive, first externally threaded surface is coated with one deck adhesive, the surface of the second internal thread is coated with one deck adhesive, the second externally threaded surface is coated with one deck adhesive.
As the improvement of technique scheme, described 3rd protuberance is provided with multiple first through hole, the 5th protuberance is provided with multiple second through hole.
As the improvement of technique scheme, described first protuberance and upper shell are integral type structure, and the second protuberance and upper shell are integral type structure; 3rd protuberance and middle shell are integral type structure, and the 4th protuberance and middle shell are integral type structure; 5th protuberance and lower house are integral type structure, at the bottom of shell with lower house be integral type structure.
As the improvement of technique scheme, the inwall of described first protuberance is provided with twice convex tendon, convex tendon and the first protuberance are integral type structure.
As the improvement of technique scheme, the lower surface at the bottom of described shell is provided with peltate groove, is provided with hourglass-shaped projection in groove, and projection is positioned at the lower surface center at the bottom of shell, is integral type structure at the bottom of projection and shell.
As the improvement of technique scheme, the quantity of described first side plate is three, and the quantity of the second side plate is three, and the quantity of the 3rd side plate is three.
Tandem environment protection type capacitor shell mechanism described in the utility model is simple, easy for installation, saves the manufacturing cost of capacitor case and the consumption of follow-up infusion epoxy resin, the low and energy-conserving and environment-protective of cost; Can according to the multistage lengthening assembling of different demand, applied range, implementation result is good, and versatility is high.
Accompanying drawing explanation
Fig. 1 is tandem environment protection type capacitor shell mechanism schematic diagram described in the utility model;
Fig. 2 is A place partial enlarged drawing in Fig. 1;
Fig. 3 is B place partial enlarged drawing in Fig. 1;
Fig. 4 is upper shell structural representation described in the utility model;
Fig. 5 is middle shell structural representation described in the utility model;
Fig. 6 is C place partial enlarged drawing in Fig. 5;
Fig. 7 is lower house structural representation described in the utility model;
Fig. 8 is D place partial enlarged drawing in Fig. 7;
Fig. 9 is lower house structural representation (looking up state) described in the utility model;
Figure 10 is lower house structural representation (overlooking state) described in the utility model;
Figure 11 is tandem environment protection type capacitor shell mechanism schematic diagram described in the utility model (installing the state after core).
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Figure 2 and Figure 3, Fig. 1 is tandem environment protection type capacitor shell mechanism schematic diagram described in the utility model, and Fig. 2 is A place partial enlarged drawing in Fig. 1, and Fig. 3 is B place partial enlarged drawing in Fig. 1.Described tandem environment protection type capacitor shell, comprise circular tube shaped upper shell 10 and with at the bottom of shell 33 cylindric lower house 30, a minimum circular tube shaped middle shell 20 is provided with between upper shell 10 and lower house 30, the external diameter that the external diameter of upper shell 10 equals middle shell 20 equals the external diameter of lower house 30, and the internal diameter that the internal diameter of upper shell 10 equals middle shell 20 equals the internal diameter of lower house 30.
As shown in Figure 4, Fig. 4 is upper shell structural representation described in the utility model.The internal diameter that the upper end of described upper shell 10 is provided with circular tube shaped first protuberance 11, first protuberance 11 is greater than the internal diameter of upper shell 10, and the inwall that the lower end of upper shell 10 is provided with circular tube shaped second protuberance 14, second protuberance 14 is provided with the first internal thread 141; The inwall of upper shell 10 is arranged multiple L shape first side plate 13, first side plate 13 with the center line of upper shell 10 for axle is symmetric; For each modular construction on guarantee upper shell 10 is complete, closure good, facilitate production and processing and subsequent installation, described first side plate 13 is integral type structure with upper shell 10, and described first protuberance 11 is integral type structure with upper shell 10, and the second protuberance 14 is integral type structure with upper shell 10.
As shown in Figure 5 and Figure 6, Fig. 5 is middle shell structural representation described in the utility model, and Fig. 6 is C place partial enlarged drawing in Fig. 5.The upper end of described middle shell 20 is provided with circular tube shaped the 3rd protuberance 21, the arranged outside of the 3rd protuberance 21 has the first external screw thread 211 matched with the first internal thread 141, is fixedly connected with between upper shell 10 and middle shell 20 by the first internal thread 141 with the first external screw thread 211; The inwall that the lower end of middle shell 20 is provided with circular tube shaped the 4th protuberance the 23, four protuberance 23 is provided with the second internal thread 231 matched with the first external screw thread 211; The inwall of middle shell 20 is arranged multiple L shape second side plate 22, second side plate 22 with the center line of middle shell 20 for axle is symmetric; For each modular construction on guarantee middle shell 20 is complete, closure good, facilitate production and processing and subsequent installation, second side plate 22 is integral type structure with middle shell 20, and the 3rd protuberance 21 is integral type structure with middle shell 20, and the 4th protuberance 23 is integral type structure with middle shell 20.
As shown in Fig. 7, Fig. 8, Fig. 9 and Figure 10, Fig. 7 is lower house structural representation described in the utility model, Fig. 8 is D place partial enlarged drawing in Fig. 7, Fig. 9 is lower house structural representation (looking up state) described in the utility model, and Figure 10 is lower house structural representation (overlooking state) described in the utility model.The upper end of described lower house 30 is provided with circular tube shaped the 5th protuberance 31, the arranged outside of the 5th protuberance 31 has the second external screw thread 311 matched with the second internal thread 231, is fixedly connected with between middle shell 20 and lower house 30 by the second internal thread 231 with the second external screw thread 311.The inwall of lower house 30 is arranged multiple L shape the 3rd side plate the 32, three side plate 32 with the center line of lower house 30 for axle is symmetric, at the bottom of the bottom of the 3rd side plate 32 and shell, between 33, be provided with gap.For each modular construction on guarantee lower house 30 is complete, closure good, facilitates production and processing and subsequent installation, the 3rd side plate 32 is integral type structure with lower house 30.5th protuberance 31 is integral type structure with lower house 30, and at the bottom of shell, 33 is integral type structure with lower house 30.
Fixing more firm for ensureing between upper shell 10, middle shell 20, lower house 30, and avoid between upper shell 10 and middle shell 20 or there is gap between middle shell 20 and lower house 30 and cause subsequent capacitance device that the phenomenons such as leakage in use occur, the surface of described first internal thread 141 is coated with one deck adhesive 40, the surface of the first external screw thread 211 is coated with one deck adhesive 40, the surface surface of the second internal thread 231 being coated with one deck adhesive 40, second external screw thread 311 is coated with one deck adhesive 40.The effect of adhesive 40 can reinforce the fixed effect between upper shell 10 and middle shell 20 or between middle shell 20 and lower house 30 on the one hand, the gap between the first internal thread 141 and the first external screw thread 211 or between the second internal thread 231 and the second external screw thread 311 can also be filled, ensure to form closed entirety between upper shell 10, middle shell 20, lower house 30.For to prevent between upper shell 10 and middle shell 20 or between middle shell 20 and lower house 30 when rotating fixing, adhesive 40 between first internal thread 141 and the first external screw thread 211 or between the second internal thread 231 and the second external screw thread 311 is owing to flowing out on the surface of squeezing action to capacitor case, pollute capacitor case, described 3rd protuberance 21 is provided with on multiple first through hole the 212, five protuberance 31 and is provided with multiple second through hole 312.Under the effect of the first through hole 212 or the second through hole 312, adhesive 40 flows to the inside of capacitor case through the first through hole 212 or the second through hole 312, avoids polluting case surface.Between upper shell 10 and middle shell 20 or when middle shell 20 fixes with lower house 30; 3rd protuberance 21 and the 5th protuberance 31 are positioned at the inside of capacitor case; although the 3rd protuberance 21 is provided with multiple first through hole 212; 5th protuberance 31 is provided with multiple second through hole 312; but the 3rd protuberance 21(the 5th protuberance 31) at the second protuberance 14(the 4th protuberance 23) protection under, ensure that integrality and the closure of capacitor case.
For convenience of the end cap installing capacitor, the inwall of described first protuberance 11 is provided with twice convex tendon 12, and convex tendon 12 and the first protuberance 11 are integral type structure.Be interference fits between end cap and convex tendon 12, this mounting means is simple, and cost is low.
Because described tandem environment protection type capacitor length is slightly long, for ensureing that safety and mounting structure are stablized, avoiding bearing the whole gravity of capacitor due to end caps and causing capacitor to reduce useful life.At the bottom of described shell, the lower surface of 33 is provided with peltate groove 331, is provided with hourglass-shaped protruding 332 in groove 331, protruding 332 be positioned at the bottom of shell 33 lower surface center, protruding 332 with 33 be integral type structure at the bottom of shell.Groove 331 gets loose to prevent fixed structure for peltate, rotates; Hourglass-shaped protruding 332 prevent fixed structure from getting loose; The metal insert that the structures of groove 331 and protruding 332 compositions facilitate subsequent installation to match with the structures formed with groove 331 and projection 332 of installing hole, the bottom of described tandem environment protection type capacitor is fixed by this metal insert, this fixed structure is simple, and easy for installation, cost is low.
As shown in figure 11, Figure 11 is tandem environment protection type capacitor shell mechanism schematic diagram described in the utility model (installing the state after core).The inside of upper shell 10 is provided with the first core 50, first core 50 under the effect of the first side plate 13, is fixed on the centre of upper shell 10, and for cost-saving and ensure the stable of fixed structure, the quantity of described first side plate 13 is three; The inside of middle shell 20 is provided with the second core 60, second core 60 under the effect of the second side plate 22, is fixed on the centre of middle shell 20, and for cost-saving and ensure the stable of fixed structure, the quantity of the second side plate 22 is three; The inside of lower house 30 is provided with the 3rd core the 70, three core 70 under the effect of the second side plate 22, is fixed on the centre of lower house 30, and for cost-saving and ensure the stable of fixed structure, the quantity of the 3rd side plate 32 is three.At the inside encapsulated epoxy resin 80 of described tandem environment protection type capacitor shell, epoxy resin 80 has fixing, sealing, heat transfer, the effect of insulation, for ensureing the fail safe of capacitor, first core 50 or the second core 60 or the 3rd core 70 must be wrapped up by epoxy resin 80 completely completely, and the first core 50, second core 60, one deck epoxy resin 80 must be filled between 3rd core 70 and ensure insulating properties, the second protuberance 14 or the 3rd protuberance 21 is provided with between first side plate 13 and the second side plate 22, the 4th protuberance 23 or the 5th protuberance 31 is provided with between second side plate 22 and the 3rd side plate 32, ensure that between the first side plate 13 and the second side plate 22 or have enough gaps to carry out filling epoxy resin 80 between the second side plate 22 and the 3rd side plate 32, gap is had between 33 at the bottom of 3rd side plate 32 and shell, avoid the Contact of at the bottom of the 3rd core 70 and shell 33.First side plate 13(second side plate 22 or the 3rd side plate 32 of L shape) convenient fixing on the one hand, it has the cable turnover in enough space guarantee capacitors each other on the other hand, and define about one penetrating passage, be convenient to epoxy resin 80 and flow until completely the first core 50 or the second core 60 or the 3rd core 70 are wrapped up.
Because the installation dimension of described tandem environment protection type capacitor terminals in circuit is fixed, therefore the size of described first protuberance 11 cannot change, for saving the use amount of epoxy resin 80, reduce costs, energy savings, adopts the means reducing the internal diameter size of upper shell 10 or middle shell 20 or lower house 30; And this capacitor can adjust the quantity of middle shell 20 according to demand, can multistagely install, applied range between middle shell 20 and middle shell 20.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. tandem environment protection type capacitor shell, it is characterized in that: comprise circular tube shaped upper shell (10) and the cylindric lower house (30) with (33) at the bottom of shell, a minimum circular tube shaped middle shell (20) is provided with between upper shell (10) and lower house (30), the external diameter that the external diameter of upper shell (10) equals middle shell (20) equals the external diameter of lower house (30), and the internal diameter that the internal diameter of upper shell (10) equals middle shell (20) equals the internal diameter of lower house (30); The upper end of described upper shell (10) is provided with circular tube shaped first protuberance (11), the internal diameter of the first protuberance (11) is greater than the internal diameter of upper shell (10), the lower end of upper shell (10) is provided with circular tube shaped second protuberance (14), and the inwall of the second protuberance (14) is provided with the first internal thread (141); The upper end of described middle shell (20) is provided with circular tube shaped the 3rd protuberance (21), the arranged outside of the 3rd protuberance (21) has the first external screw thread (211) matched with the first internal thread (141), is fixedly connected with between upper shell (10) and middle shell (20) by the first internal thread (141) with the first external screw thread (211); The lower end of middle shell (20) is provided with circular tube shaped the 4th protuberance (23), and the inwall of the 4th protuberance (23) is provided with the second internal thread (231) matched with the first external screw thread (211); The upper end of described lower house (30) is provided with circular tube shaped the 5th protuberance (31), the arranged outside of the 5th protuberance (31) has the second external screw thread (311) matched with the second internal thread (231), is fixedly connected with between middle shell (20) and lower house (30) by the second internal thread (231) with the second external screw thread (311).
2. tandem environment protection type capacitor shell according to claim 1, is characterized in that: the inwall of described upper shell (10) is arranged multiple L shape first side plate (13), and the first side plate (13) is that axle is symmetric with the center line of upper shell (10); The inwall of middle shell (20) is arranged multiple L shape second side plate (22), the second side plate (22) is that axle is symmetric with the center line of middle shell (20); The inwall of lower house (30) is arranged multiple L shape the 3rd side plate (32), the 3rd side plate (32) is that axle is symmetric with the center line of lower house (30), is provided with gap at the bottom of the bottom of the 3rd side plate (32) and shell between (33).
3. tandem environment protection type capacitor shell according to claim 2, it is characterized in that: described first side plate (13) and upper shell (10) are integral type structure, second side plate (22) and middle shell (20) are integral type structure, and the 3rd side plate (32) and lower house (30) are integral type structure.
4. tandem environment protection type capacitor shell according to claim 1, it is characterized in that: the surface of described first internal thread (141) is coated with one deck adhesive (40), the surface of the first external screw thread (211) is coated with one deck adhesive (40), the surface of the second internal thread (231) is coated with one deck adhesive (40), the surface of the second external screw thread (311) is coated with one deck adhesive (40).
5. tandem environment protection type capacitor shell according to claim 4, is characterized in that: described 3rd protuberance (21) is provided with multiple first through hole (212), the 5th protuberance (31) is provided with multiple second through hole (312).
6. tandem environment protection type capacitor shell according to claim 1, is characterized in that: described first protuberance (11) and upper shell (10) are integral type structure, and the second protuberance (14) and upper shell (10) are integral type structure; 3rd protuberance (21) and middle shell (20) are integral type structure, and the 4th protuberance (23) and middle shell (20) are integral type structure; 5th protuberance (31) and lower house (30) are integral type structure, and (33) at the bottom of shell and lower house (30) are integral type structure.
7. tandem environment protection type capacitor shell according to claim 1, is characterized in that: the inwall of described first protuberance (11) is provided with twice convex tendon (12), and convex tendon (12) and the first protuberance (11) are integral type structure.
8. tandem environment protection type capacitor shell according to claim 1, it is characterized in that: the lower surface of (33) at the bottom of described shell is provided with peltate groove (331), hourglass-shaped projection (332) is provided with in groove (331), protruding (332) are positioned at the lower surface center of (33) at the bottom of shell, and protruding (332) are integral type structure with (33) at the bottom of shell.
9. tandem environment protection type capacitor shell according to claim 2, is characterized in that: the quantity of described first side plate (13) is three, and the quantity of the second side plate (22) is three, and the quantity of the 3rd side plate (32) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777556.1U CN205028784U (en) | 2015-10-09 | 2015-10-09 | Serial -type environmental protection type capacitor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777556.1U CN205028784U (en) | 2015-10-09 | 2015-10-09 | Serial -type environmental protection type capacitor shell |
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| Publication Number | Publication Date |
|---|---|
| CN205028784U true CN205028784U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777556.1U Expired - Fee Related CN205028784U (en) | 2015-10-09 | 2015-10-09 | Serial -type environmental protection type capacitor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205028784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713001A (en) * | 2020-12-22 | 2021-04-27 | 中车永济电机有限公司 | Design method of highly integrated capacitor for charger |
| CN112713000A (en) * | 2019-10-24 | 2021-04-27 | 南京南瑞继保电气有限公司 | Integrated damping capacitor and method of assembling the same |
-
2015
- 2015-10-09 CN CN201520777556.1U patent/CN205028784U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713000A (en) * | 2019-10-24 | 2021-04-27 | 南京南瑞继保电气有限公司 | Integrated damping capacitor and method of assembling the same |
| CN112713000B (en) * | 2019-10-24 | 2022-08-26 | 南京南瑞继保电气有限公司 | Integrated damping capacitor and method of assembling same |
| CN112713001A (en) * | 2020-12-22 | 2021-04-27 | 中车永济电机有限公司 | Design method of highly integrated capacitor for charger |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20181009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |