CN203790746U - Air cartridge filter - Google Patents
Air cartridge filter Download PDFInfo
- Publication number
- CN203790746U CN203790746U CN201320788503.0U CN201320788503U CN203790746U CN 203790746 U CN203790746 U CN 203790746U CN 201320788503 U CN201320788503 U CN 201320788503U CN 203790746 U CN203790746 U CN 203790746U
- Authority
- CN
- China
- Prior art keywords
- core device
- filtering core
- upper cover
- framework
- filter core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001914 filtration Methods 0.000 claims description 123
- 238000009434 installation Methods 0.000 claims description 45
- 230000002787 reinforcement Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses an air cartridge filter which comprises a cartridge filter frame, an upper cover and a filter cartridge, wherein the upper cover is provided with an upper cover opening part; a frame opening part is arranged at the lower part of the cartridge filter frame; the filter cartridge is accommodated in the cartridge filter frame; the cartridge filter frame is covered by the upper cover. The air cartridge filter is simple in structure, durable, easily exchanged and convenient to mount, and enables air to smoothly flow.
Description
Technical field
The utility model relates to filtering core device technical field, relates in particular to a kind of air filtering core device.
Background technology
Air filtering core device mostly is for removing airborne impurity, and it is comprised of housing and filter core substantially.Existing air filtering core device, need to many fixed strips be set in housing above and below could be fixed on filter core in housing.Due to its special construction, the filter core in existing air filtering core device is only plate, and it purifies, and area is little, circulation of air has some setbacks, and complex structure is installed loaded down with trivial detailsly, is unfavorable for that maintenance changes.
Utility model content
Goal of the invention of the present utility model is to overcome defect of the prior art, and a kind of simple in structure, air filtering core device that circulation of air is smooth and easy, easy for installation is provided.
The technical solution of the utility model provides a kind of air filtering core device, comprise filtering core device framework, upper cover and filter core, on described, cover and there is upper cover peristome, the below of described filtering core device framework has frame openings portion, described filter core is placed in described filtering core device framework, and described upper cover is fastened on described filtering core device framework.
Further, described filter core comprises filter core main body and two fixed heads that undulate arranges, the dual-side in described filter core main body with Wave crest and wave trough is fixedly connected on respectively on two described fixed heads, two ends in the described filter core main body of undulate setting have respectively down along the filter core main body flanging of stretching, described filter core main body flanging and the perpendicular setting of described fixed head, there is filter core baffle plate the relative both sides, bottom of described filtering core device framework along stretching upward, between every described filter core baffle plate and described filtering core device framework, be formed with the first installation portion, between the same side end of two described filter core baffle plates and described filtering core device framework, be formed with the second installation portion, described the first installation portion and the perpendicular setting of described the second installation portion, described filter core main body flanging is arranged in described the first installation portion, described fixed head is arranged in described the second installation portion.
Further, four bights of described filtering core device framework are circular arc setting, between filter core baffle plate every described and described filtering core device framework, are provided with frame baffle, and described the first installation portion is formed between described frame baffle and described filter core baffle plate.
Further, between every described frame baffle and described filtering core device framework, be provided with at least one the first reinforcements.
Further, in described the second installation portion, arrange at least one and have the second reinforcement.
Further, on described upper cover peristome, relative both sides are provided with upper cover fastener, described upper cover fastener comprises upper cover fastener connecting portion and upper cover fastener Access Division, one end of described upper cover fastener connecting portion is connected to a side of described upper cover peristome, and level is extended towards described upper cover peristome inner side, the upper end of described upper cover fastener Access Division is connected on described upper cover fastener connecting portion, and its lower end is extended downward vertically and is fastened on described fixed head.
Further, in described frame openings portion, relative both sides are provided with framework fastener, described framework fastener comprises framework fastener connecting portion and framework fastener Access Division, one end of described framework fastener connecting portion is connected to a side of described frame openings portion, and level is extended towards described frame openings portion inner side, the lower end of described framework fastener Access Division is connected on described framework fastener connecting portion, and its upper end is upwards vertically extended and is fastened on described fixed head.
Further, the inner side of described upper cover has been recessed to form a plurality of bayonet parts, and the periphery of described filtering core device framework is formed with a plurality ofly for the lug boss that coordinate corresponding to described bayonet part along stretching, and described lug boss is engaged in described bayonet part.
Further, one side of described filtering core device framework is recessed to form handlebar hand, described handle portion comprises perform limit and lower rib, described perform limit and described lower rib one-body molded with described filtering core device framework respectively, described in perform and between limit, described lower rib and described filtering core device framework, be formed with the gripping space gripping for user.
Further, the periphery of described upper cover is provided with upper sealing gasket, and the lower, outer perimeter of described filtering core device framework is provided with lower seal circle.
Adopt technique scheme, there is following beneficial effect:
By filter core being contained in filtering core device framework, and by upper cover, filter core is fixed in filtering core device framework, at the upper upper cover peristome that is provided for circulation of air that covers, below filtering core device framework, be provided for the frame openings portion of circulation of air, on peristome without fixed strip is set, can, so that air stream freely flows out through upper cover peristome, filter core, frame openings portion in turn, complete filtration.
By filter core baffle plate is set below filtering core device framework, between filter core baffle plate and filtering core device framework, be formed with the first installation portion, between the same side end of two filter core baffle plates and described filtering core device framework, be formed with the second installation portion, filter core flanging is arranged in the first installation portion, fixed head is arranged in the second installation portion, can realizes wave shaped filter core being arranged in filtering core device framework and without fixed strip is set on peristome.
By frame baffle is set, can, so that rectangle or square wave shaped filter core are arranged in the filtering core device framework with circular arc, without die sinking again, save resource.
By handle portion is set, and rib up and down and the framework of handle portion is one-body molded, strengthened the robustness of handle portion, make it durable not fragile.
By bayonet part and lug boss are set, and lug boss is engaged in bayonet part, can be so that upper cover be connected more firm with filtering core device framework.
By the first reinforcement and the second reinforcement are set, further improved the bulk strength of this air filtering core device, avoid its damage.
By being set, upper cover fastener and framework fastener can better filter core be fixed in filtering core device framework.
Thus, the air filtering core device that the utility model provides, its simple in structure, durable, easy replacing, easy for installation, circulation of air is more smooth and easy.
Accompanying drawing explanation
The structural perspective of the air filtering core device that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of the filtering core device framework in the air filtering core device shown in Fig. 1;
Fig. 3 is the structural representation of the filter core in the air filtering core device shown in Fig. 1;
Fig. 4 is the schematic cross-section of the filter core main part in the filter core shown in Fig. 3;
Fig. 5 is the reverse side schematic diagram of the upper cover in the air filtering core device shown in Fig. 1;
Fig. 6 is the structural representation of the handle portion on the air filtering core device shown in Fig. 1;
Fig. 7 is the structural representation of upper cover fastener;
Fig. 8 is the structural representation of framework fastener.
The Reference numeral table of comparisons:
100-air filtering core device; 1-filtering core device framework; The 11-leg of frame;
12-frame baffle; 13-filter core baffle plate; 14-handle portion;
15-lug boss; 16-framework fastener; 17-lower seal circle;
18-frame openings portion; 19-chassis base; 111-the second reinforcement;
112-the first reinforcement; 113-the second installation portion; 123-the first installation portion;
141-grips space; The 142-limit of performing; Rib under 143-;
161-framework fastener connecting portion; 162-framework fastener Access Division; 2-filter core;
21-filter core main body; 22-fixed head; 211-filter core main body flanging;
212-crest; 213-trough; 3-upper cover;
The upper lid top panel of 31-; 32-upper cover side; 33-upper cover peristome;
311-upper cover fastener; 312-upper cover fastener connecting portion;
313-upper cover fastener Access Division; 321-bayonet part.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present utility model.
The air filtering core device that the utility model provides is mainly used in, on air conditioning for automobiles, air in car is carried out to purification filtering.
As Figure 1-3, the utility model provides a kind of air filtering core device 100, comprise filtering core device framework 1, upper cover 3 and filter core 2, on upper cover 3, there is upper cover peristome 33, the below of filtering core device framework 1 has frame openings portion 18, above-mentioned filter core 2 is placed in filtering core device framework 1, and upper cover 3 is fastened on filtering core device framework 1.
This air filtering core device 100 is comprised of filtering core device framework 1, upper cover 3 and filter core 2, and filter core 2 is arranged in filtering core device framework 1, and upper cover 3 is fastened on the top of filtering core device framework 1, so that filter core 2 is configured in filtering core device framework 1.On upper cover 3, be provided with upper cover peristome 33, in the bottom of filtering core device framework 1, offer frame openings portion 18, in use, air passes through upper cover peristome 33, filter core 2 and frame openings portion 18 circulates in turn.Because of by filter core 2 is placed in filtering core device framework 1, without in above-mentioned upper cover peristome 33 and frame openings portion 18, fixed strip being set again, make circulation of air more smooth and easy, improved purification efficiency.
Preferably, as Figure 1-4, above-mentioned filter core 2 comprises filter core main body 21 and two fixed heads 22 that undulate arranges, the dual-side in this filter core main body 21 with crest 212, trough 213 is fixedly connected on respectively on two fixed heads 22, two ends in the filter core main body 21 of undulate setting have respectively the filter core main body flanging 211 that stretch on edge down, this filter core main body flanging 211 and the perpendicular setting of fixed head 22.
There is filter core baffle plate 13 the relative both sides, bottom of filtering core device framework 1 along stretching upward, between every filter core baffle plate 13 and filtering core device framework 1, be formed with the first installation portion 123, between the same side end of two filter core baffle plates 13 and filtering core device framework 1, be formed with the second installation portion 113, this first installation portion 123 and the perpendicular setting of the second installation portion 113, above-mentioned filter core main body flanging 211 is arranged in the first installation portion 123, and fixed head 22 is arranged in the second installation portion 113.
That is, this filter core 2 comprises filter core main body 21 and two fixed heads 22.The 21 undulate settings of filter core main body, have increased the area that filter core 2 contacts with air, to improve purification area.Filter core main body 21 has crest 212 and trough 213.This filter core main body 21 is rectangle or square, and two sides that its both sides have crest 212, trough 213 are separately fixed on a fixed head 22, improves the intensity of filter core 2, avoids filter paper to cave in.Other both sides in this filter core main body 21 (that is to say two ends in the filter core main body 21 that undulate arranges) have respectively down along the filter core main body flanging 211 of stretching, and it is the part between Wave crest and wave trough, for being connected with filtering core device framework 1.
Filtering core device framework 1 comprises four legs of frame 11 and chassis base 19, and said frame peristome 18 is opened on framework 19 base plates.In relative both sides, the bottom of filtering core device framework 1, or on two relative limits of frame openings portion 18 or on 19 two relative limits of chassis base, be respectively arranged with filter core baffle plate 13, this filter core baffle plate 13 is upward along stretching setting.
Thus, between every filter core baffle plate 13 and filtering core device framework 1 or the leg of frame 11, be formed with the first installation portion 123.The length of filter core baffle plate 13 is less than the length of corresponding frame sides 11, thus, between the same side end of two filter core baffle plates 13 and filtering core device framework 1 or the corresponding leg of frame 11, is formed with the second installation portion 113.Therefore, the bottom of this filtering core device framework 1 has two the first installation portions 123, and it is oppositely arranged on the two bottom sides of filtering core device framework 1; The bottom of this filtering core device framework 1 also has two the second installation portions 113, and it is oppositely arranged on the other both sides of the bottom of filtering core device framework 1.The first installation portion 123 and the perpendicular setting of the second installation portion 113.
One of them filter core main body flanging 211 is arranged in first installation portion 123, another filter core main body flanging 211 is arranged in another first installation portion 123.A fixed head 22 is arranged in second installation portion 113, another piece fixed head 22 is arranged in another second installation portion 113, to complete, filter core 2 is contained in filtering core device framework 1.Adopt this kind of connected mode wave shaped filter core 2 can be contained in filtering core device framework 1, improved purification area, its syndeton is simple, connective stability is high, and without in upper cover peristome 33 and frame openings portion 18, fixed strip being set again, make circulation of air more smooth and easy, improved purification efficiency.
Preferably, as shown in Figure 1-2, four bights of filtering core device framework 1 are circular arc setting, between every filter core baffle plate 13 and filtering core device framework 1, are provided with frame baffle 12, and above-mentioned the first installation portion 123 is formed between frame baffle 12 and filter core baffle plate 13.
Needs due to processing or outward appearance setting, four angular position circular arcs of filtering core device framework 1, therefore traditional rectangle filter core 2 cannot be arranged in the filtering core device framework 1 that bight is arc, now need between filter core baffle plate 13 and filtering core device framework 1 or and corresponding frame sides 11 between a block frame baffle plate 12 is set, frame baffle 12 is preferably connected to the tangent position place in two circular arc bights, thus, between frame baffle 12 and filter core baffle plate 13, form the first installation portion 123 of moderate length, so that the filter core main body flanging 211 of corrugated filter core main body 21 to be installed.By frame baffle 12 is set, can, so that rectangle or square wave shaped filter core 2 are arranged in the filtering core device framework 1 with circular arc, without die sinking again, save resource.
Preferably, as shown in Figure 2, between every frame baffle 12 and filtering core device framework 1, be provided with at least one the first reinforcements 112.Between frame baffle 12 and filtering core device framework 1 or and corresponding frame sides 11 between the first reinforcement 112 is set, to improve structural strength, avoid frame baffle 12 bendings, guarantee that the first installation portion 123 is indeformable.
Above-mentioned the second installation portion 113 is interior arranges at least one the second reinforcement 111.This second reinforcement 111 is positioned at the second installation portion 113, for connecting frame base plate 19 and frame sides 11, to improve overall construction intensity.
Preferably, as shown in Fig. 1-2, Fig. 5 and Fig. 7, on upper cover peristome 33, relative both sides are provided with upper cover fastener 311, this upper cover fastener 311 comprises upper cover fastener connecting portion 312 and upper cover fastener Access Division 313, one end of upper cover fastener connecting portion 312 is connected to a side of upper cover peristome 33, and level extends towards upper cover peristome 33 inner sides, the upper end of upper cover fastener Access Division 313 is connected on upper cover fastener connecting portion 312, and its lower end is extended downward vertically and is fastened on fixed head 22.
By in the relative both sides of upper cover peristome 33, L shaped upper cover fastener 311 being set, the upper end of filter core 2 is clamped in filtering core device framework 1.The both sides that upper cover peristome 33 is relative are corresponding with two fixed heads 22, one end of upper cover fastener connecting portion 312 is connected to a side of upper cover peristome 33, its level is extended towards upper cover peristome 33 inner sides, the upper end of upper cover fastener Access Division 313 is connected on upper cover fastener connecting portion 312, its lower end is extended downward vertically and is fastened on fixed head 22, the stability connecting the top of both sides fixed head 2 is clamped on to the interior raising of filtering core device framework 1.
Preferably, as shown in Fig. 1-2 and Fig. 8, in frame openings portion 18, relative both sides are provided with framework fastener 16, framework fastener 16 comprises framework fastener connecting portion 161 and framework fastener Access Division 162, one end of framework fastener connecting portion 161 is connected to a side of frame openings portion 16, and level extends towards frame openings portion 18 inner sides, the lower end of framework fastener Access Division 162 is connected on framework fastener connecting portion 161, and its upper end is upwards vertically extended and is fastened on fixed head 22.
By in the relative both sides of frame openings portion 18, L shaped framework fastener 16 being set, the lower end of filter core 2 is clamped in filtering core device framework 1.The relative both sides of frame openings portion 18 are corresponding with two fixed heads 22, one end of framework fastener connecting portion 161 is connected to a side of frame openings portion 16, and level is extended towards frame openings portion 18 inner sides, the lower end of framework fastener Access Division 162 is connected on framework fastener connecting portion 161, its upper end is upwards vertically extended and is fastened on fixed head 22, the stability connecting the top of both sides fixed head 2 is clamped on to the interior raising of filtering core device framework 1.
Preferably, as shown in Figure 2 and Figure 5, the inner side of upper cover 3 has been recessed to form a plurality of bayonet parts 321, and the periphery of filtering core device framework 1 is formed with a plurality ofly for the lug boss 15 that coordinate corresponding to bayonet part 321 along stretching, and above-mentioned lug boss 15 is engaged in bayonet part 321.
Upper cover 3 is formed by four upper cover sides 32 and a upper lid top panel 31, and above-mentioned top cover peristome 33 is opened in lid top panel 31.In the inner side of upper cover 3, be recessed to form a plurality of bayonet parts 321, that is to say to cave in in the inner side of upper cover side 32 has a plurality of bayonet parts 321.Correspondingly, the periphery of filtering core device framework 1 along stretch be formed with a plurality of for the lug boss 15 that coordinate corresponding to bayonet part 321.When upper cover 3 is fastened on filtering core device framework 1, above-mentioned lug boss 15 is engaged in bayonet part 321, to improve the stability connecting between the two.
Preferably, as shown in Fig. 1 and Fig. 6, one side direction sunken inside of filtering core device framework 1 is formed with handle portion 14, this handle portion 14 comprises perform limit 142 and lower rib 143, perform limit 142 and lower rib 143 is one-body molded with filtering core device framework 1 respectively, is formed with the gripping space 141 gripping for user between the limit 142 of performing, lower rib 143 and filtering core device framework 1.
Be that handle portion 14 is recessed to form in a side of filtering core device framework 1, above-mentioned upper rib 142, lower rib 143 can be directly a part for filtering core device framework 1, to improve the intensity of handle portion 14, avoid being pulled off.The above-mentioned limit 142 of performing can be also a part for upper cover 3, can improve equally the intensity of handle portion 14, avoids being pulled off.Between shelves limit 142, lower rib 143 and filtering core device framework 1, be formed with the gripping space 141 gripping for user, while using this to change filtering core device, hand is stretched into and gripped in space 141, hold perform limit 142 or lower rib 143, air filtering core device 100 can be pulled out from assembly, be convenient for changing.
Preferably, as shown in Figure 1, the periphery of upper cover 1 is provided with upper sealing gasket 31, and the lower, outer perimeter of filtering core device framework 1 is provided with lower seal circle 17.Sealing in the time of can improving this air filtering core device 100 and be arranged in filtering core device assembly by upper sealing gasket 31 and lower seal circle 17 are set, improves filter effect.This upper sealing gasket 31 and lower seal circle 17 can be spongy layer, and it can also avoid air filtering core device 100 impaired.
As required, above-mentioned each technical scheme can be carried out to combination, to reach best-of-breed technology effect.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, can also make some other modification, also should be considered as protection domain of the present utility model.
Claims (9)
1. an air filtering core device, is characterized in that, comprises filtering core device framework, upper cover and filter core, covers on described and has upper cover peristome, and the below of described filtering core device framework has frame openings portion,
Described filter core is placed in described filtering core device framework, and described upper cover is fastened on described filtering core device framework, and the periphery of described upper cover is provided with upper sealing gasket, and the lower, outer perimeter of described filtering core device framework is provided with lower seal circle.
2. a kind of air filtering core device according to claim 1, it is characterized in that, described filter core comprises filter core main body and two fixed heads that undulate arranges, the dual-side in described filter core main body with Wave crest and wave trough is fixedly connected on respectively on two described fixed heads, two ends in the described filter core main body of undulate setting have respectively down along the filter core main body flanging of stretching, described filter core main body flanging and the perpendicular setting of described fixed head
There is filter core baffle plate the relative both sides, bottom of described filtering core device framework along stretching upward, between every described filter core baffle plate and described filtering core device framework, be formed with the first installation portion, between the same side end of two described filter core baffle plates and described filtering core device framework, be formed with the second installation portion, described the first installation portion and the perpendicular setting of described the second installation portion
Described filter core main body flanging is arranged in described the first installation portion,
Described fixed head is arranged in described the second installation portion.
3. a kind of air filtering core device according to claim 2, it is characterized in that, four bights of described filtering core device framework are circular arc setting, between filter core baffle plate every described and described filtering core device framework, be provided with frame baffle, described the first installation portion is formed between described frame baffle and described filter core baffle plate.
4. a kind of air filtering core device according to claim 3, is characterized in that, is provided with at least one the first reinforcements between every described frame baffle and described filtering core device framework.
5. a kind of air filtering core device according to claim 2, is characterized in that, is provided with at least one the second reinforcements in described the second installation portion.
6. a kind of air filtering core device according to claim 2, it is characterized in that, on described upper cover peristome, relative both sides are provided with upper cover fastener, described upper cover fastener comprises upper cover fastener connecting portion and upper cover fastener Access Division, one end of described upper cover fastener connecting portion is connected to a side of described upper cover peristome, and level is extended towards described upper cover peristome inner side, the upper end of described upper cover fastener Access Division is connected on described upper cover fastener connecting portion, and its lower end is extended downward vertically and is fastened on described fixed head.
7. a kind of air filtering core device according to claim 2, it is characterized in that, in described frame openings portion, relative both sides are provided with framework fastener, described framework fastener comprises framework fastener connecting portion and framework fastener Access Division, one end of described framework fastener connecting portion is connected to a side of described frame openings portion, and level is extended towards described frame openings portion inner side, the lower end of described framework fastener Access Division is connected on described framework fastener connecting portion, and its upper end is upwards vertically extended and is fastened on described fixed head.
8. a kind of air filtering core device according to claim 1, it is characterized in that, the inner side of described upper cover has been recessed to form a plurality of bayonet parts, and the periphery of described filtering core device framework is formed with a plurality ofly for the lug boss that coordinate corresponding to described bayonet part along stretching, and described lug boss is engaged in described bayonet part.
9. a kind of air filtering core device according to claim 1, it is characterized in that, a side of described filtering core device framework is recessed to form handlebar hand, and described handle portion comprises perform limit and lower rib, described perform limit and described lower rib one-body molded with described filtering core device framework respectively
Between the described limit of performing, described lower rib and described filtering core device framework, be formed with the gripping space gripping for user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788503.0U CN203790746U (en) | 2013-12-03 | 2013-12-03 | Air cartridge filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788503.0U CN203790746U (en) | 2013-12-03 | 2013-12-03 | Air cartridge filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203790746U true CN203790746U (en) | 2014-08-27 |
Family
ID=51373021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320788503.0U Expired - Lifetime CN203790746U (en) | 2013-12-03 | 2013-12-03 | Air cartridge filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203790746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087478A1 (en) * | 2021-12-20 | 2023-05-25 | 亿茂环境科技股份有限公司 | Filter device |
-
2013
- 2013-12-03 CN CN201320788503.0U patent/CN203790746U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087478A1 (en) * | 2021-12-20 | 2023-05-25 | 亿茂环境科技股份有限公司 | Filter device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |