CN203488707U - Nut sealing device - Google Patents
Nut sealing device Download PDFInfo
- Publication number
- CN203488707U CN203488707U CN201320560953.4U CN201320560953U CN203488707U CN 203488707 U CN203488707 U CN 203488707U CN 201320560953 U CN201320560953 U CN 201320560953U CN 203488707 U CN203488707 U CN 203488707U
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- China
- Prior art keywords
- nut
- seal ring
- nut shell
- ring
- seal
- 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
- 238000007789 sealing Methods 0.000 title abstract description 23
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 18
- 239000003507 refrigerant Substances 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 30
- 238000004378 air conditioning Methods 0.000 description 11
- 239000002826 coolant Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Branch Pipes, Bends, And The Like (AREA)
Abstract
The utility model provides a nut sealing device for sealing tube connects, including nut shell and sealing washer. One end of the nut shell is provided with an opening, and the inner cavity of the opening is provided with threads matched with the pipe joint. The sealing ring is disc-shaped, a bulge is arranged at the center of the disc-shaped sealing ring, and a flange is arranged on the disc-shaped sealing ring; the longitudinal section of the sealing ring is T-shaped. The sealing ring is installed in the inner cavity of the nut shell, and the nut shell and the sealing ring are in interference fit. The utility model discloses a nut sealing device, rational in infrastructure simple, the integrated configuration who adopts sealing washer and nut casing seals the coupling of air conditioner refrigerant pipeline. Nut sealing device inner structure is simple, can reduce the utility model discloses nut sealing device's processing cost guarantees that the processing uniformity is good.
Description
Technical field
The utility model relates to the seal arrangement that a kind of electrical apparatus technology is manufactured field, particularly relates to a kind of nut seal device being used on air conditioner refrigerating pipeline pipe connecting head.
Background technique
Existing seal arrangement is comprised of plastic nut, air pressure show needle, elastic telescopic circle, retainer ring, five accessories of seal ring.If this plastic nut internal main adopts the double-layer sealing structure of elastic telescopic circle and seal ring to seal, but due to reasons such as the internal mechanism of plastic nut are complicated, processing conformity is poor, often the phenomenon that occurs coolant leakage while causing air-conditioning to be produced, the manufacturing efficiency that reduces air-conditioning, affects quality of product.
In view of above-mentioned defect, the inventor has obtained the invention finally through long research and practice.
Model utility content
Based on this, be necessary the problems such as complicated for seal arrangement internal mechanism, processing conformity is poor, the nut seal device that a kind of internal structure is simple, process high conformity is provided.Above-mentioned purpose is achieved through the following technical solutions:
A nut seal device, for sealed pipe joint, comprises nut shell and seal ring.Described nut shell one end is provided with opening, and the inner chamber of described opening is provided with the screw thread matching with described pipe joint.Described seal ring is discoid, and the center of described discoid seal ring arranges projection, and is provided with flange on described discoid seal ring.
The vertical sectional shape of described seal ring is a kind of T-shape, and described seal ring is arranged on the inner chamber of described nut shell.Described nut shell and described seal ring are interference fit.
In an embodiment, the other end top of described nut shell is provided with circular through hole therein, and the T-shape boss of described through hole and described seal ring matches.
In an embodiment, also comprise pad therein, described pad is arranged on the inner side of the disk flange of described seal ring; The shape of cross section of described pad is ring.
In an embodiment, the bottom of the disk flange internal surface of described seal ring is provided with for the pad locating slot of described pad is installed therein.
In an embodiment, described seal ring and described pad are interference fit therein.
In an embodiment, the inner chamber of described nut shell is provided with ring locating slot therein, and the bottom of the disk flange outer surface of described seal ring is provided with round boss, and described round boss matches with described ring locating slot.
In an embodiment, also comprise the clamping sleeve for fixing described seal ring therein.The shape of cross section of described clamping sleeve is ring, and described clamping sleeve is arranged on the inner chamber of described nut shell, and contacts with the disk flange of described seal ring, and the inner chamber of described nut shell is provided with for locating the step cutting pattern of described clamping sleeve.
In an embodiment, described nut shell and described clamping sleeve are interference fit therein.
Therein in an embodiment, the shape of cross section of described nut shell is circular, in the rounded outer surface of described nut shell, be provided with a plurality ofly for locking the long strip projection of described nut shell, described a plurality of long strip projections are evenly distributed in the rounded outer surface of described nut shell.
The beneficial effects of the utility model are:
Nut seal device of the present utility model, rational in infrastructure simple, adopt the composite structure of seal ring and nut shell to seal the pipe joint of air conditioner coolant pipeline.Nut seal device internal structure is simple, can reduce the processing cost of the utility model nut seal device; Guarantee processing high conformity, and the generation of coolant leakage phenomenon can effectively control air-conditioning and produce time, and then improve the manufacturing efficiency of air-conditioning, Improving The Quality of Products.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of the utility model nut seal device assembling condition;
Fig. 2 is the cross-sectional schematic of the utility model nut seal device embodiment one assembling condition;
Fig. 3 is the decomposing state schematic diagram of nut seal device shown in Fig. 2;
Fig. 4 is the cross-sectional schematic of the utility model nut seal device embodiment two assembling conditions;
Fig. 5 is the decomposing state schematic diagram of nut seal device shown in Fig. 4;
Fig. 6 is the cross-sectional schematic of the utility model nut seal device embodiment three assembling conditions;
Fig. 7 is the decomposing state schematic diagram of nut seal device shown in Fig. 6;
Fig. 8 is the cross-sectional schematic of the utility model nut seal device embodiment four assembling conditions;
Fig. 9 is the decomposing state schematic diagram of nut seal device shown in Fig. 8;
Wherein:
1-nut shell;
11-through hole;
2-seal ring;
21-projection;
3-pad;
4-clamping sleeve.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, by the following examples, and by reference to the accompanying drawings, nut seal device of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Principle of the present utility model is: the seal ring that is provided with T-shape structure in nut seal device, the projection of seal ring is carried out fore and aft motion in the through hole of nut shell, so can be according to the state of changing of seal ring projection, the ducted pressure of judgement air conditioner refrigerating changes.
Embodiment one
Referring to Fig. 1 to Fig. 3, a kind of nut seal device, for sealing the pipe joint of air conditioner refrigerating pipeline, comprises nut shell 1 and seal ring 2.
Preferably, as shown in Figures 2 and 3, main sealing and the telescopic action of rising of seal ring 2.The circular through hole 11 at nut shell 1 top matches with T-shape structure projection 21 positions of seal ring 2.During nut shell 1 locking, seal ring 2 is extruded the gap of filling up whole pipe joint end after distortion, and when seal ring 2 is flexible, the projection 21 of seal ring 2 T-shape structures moves up and down in through hole 11.
As shown in Figures 2 and 3, in the present embodiment, seal ring 2 is packed in the inner chamber of nut shell 1, the projection 21 of seal ring 2 T-shape structures matches with the through hole 11 of nut shell 1, then by screw thread, the nut seal device assembling is connected with the pipe joint of air conditioner refrigerating pipeline.
By nut shell 1 and the nut seal device that seal ring 2 forms, the pipe joint of air conditioner refrigerating pipeline is sealed, assurance exists a certain amount of inert gas and refrigerant in air conditioner refrigerating pipeline, make the ducted pressure of air conditioner refrigerating higher than ambient pressure, avoid air-conditioning to install and use front ambient air and invade air conditioner refrigerating pipeline oxidization inner-walls of duct.Fill after pressurized gas nut shell 1 inside, the disk position of seal ring 2 T-shape structures is extruded the through hole 11 directions protrusions of backward nut shell 1, cause the projection 21 of seal ring 2 in the interior outer side shifting to nut shell 1 of through hole 11, form a kind of state that stretches out.The flexible state of projection 21 by seal ring 2 T-shape structures in through hole 11 reaches a kind of object of visualized operation.
Embodiment two
As shown in Figure 1, Figure 4 and Figure 5, a kind of nut seal device, for sealing the pipe joint of air conditioner refrigerating pipeline, comprises nut shell 1, seal ring 2 and pad 3.
Preferably, as shown in Figure 4 and Figure 5, main sealing and the telescopic action of rising of seal ring 2.The circular through hole 11 at nut shell 1 top matches with T-shape structure projection 21 positions of seal ring 2.During nut shell 1 locking, seal ring 2 is extruded the gap of filling up whole pipe joint end after distortion, and when seal ring 2 is flexible, the projection 21 of seal ring 2 T-shape structures moves up and down in through hole 11.
Preferably, as shown in Figure 4 and Figure 5, pad 3 is for alleviating the extruding force of disperseing seal ring 2, and the shape of cross section of pad 3 is ring, the bottom of the disk flange internal surface of seal ring 2 is provided with the pad locating slot of ring, and pad 3 is arranged in the pad locating slot of seal ring 2 bottom rings.During nut shell 1 locking, pipe joint end face and seal ring 2 form a kind of state of shear extrusion, and now main back cushion sheet 3 is alleviated the extruding force of disperseing seal ring 2, guarantees that seal ring 2 is not destroyed.In order to guarantee that nut seal device can normally work, the assembly relation between nut shell 1, seal ring 2 and pad 3 should be interference fit, to guarantee that each part rigging position after assembling of the utility model nut seal device immobilizes.
As shown in Figure 4 and Figure 5, in the present embodiment, seal ring 2 is packed in the inner chamber of nut shell 1, the projection 21 of seal ring 2 T-shape structures matches with the through hole 11 of nut shell 1; Pad 3 is arranged in the pad locating slot of disk flange internal surface bottom ring of seal ring 2, then by screw thread, the nut seal device assembling is connected with the pipe joint of air conditioner refrigerating pipeline.
The nut seal device consisting of nut shell 1, seal ring 2 and pad 3 seals the pipe joint of air conditioner refrigerating pipeline, assurance exists a certain amount of inert gas and refrigerant in air conditioner refrigerating pipeline, make the ducted pressure of air conditioner refrigerating higher than ambient pressure, avoid air-conditioning to install and use front ambient air and invade air conditioner refrigerating pipeline oxidization inner-walls of duct.Fill after pressurized gas nut shell 1 inside, the disk position of seal ring 2 T-shape structures is extruded the through hole 11 directions protrusions of backward nut shell 1, cause the projection 21 of seal ring 2 T-shape structures in the interior outer side shifting to nut shell 1 of through hole 11, form a kind of state that stretches out.The flexible state of projection 21 by seal ring 2 T-shape structures in through hole 11 reaches a kind of object of visualized operation.
Embodiment three
As shown in Fig. 1, Fig. 6 and Fig. 7, a kind of nut seal device, for sealing the pipe joint of air conditioner refrigerating pipeline, comprises nut shell 1, seal ring 2 and pad 3.
Preferably, as shown in Figure 6 and Figure 7, main sealing and the telescopic action of rising of seal ring 2.The circular through hole 11 at nut shell 1 top matches with T-shape structure projection 21 positions of seal ring 2.During nut shell 1 locking, seal ring 2 is extruded the gap of filling up whole pipe joint end after distortion, and when seal ring 2 is flexible, the projection 21 of seal ring 2 T-shape structures moves up and down in through hole 11.
Preferably, as shown in Figure 6 and Figure 7, the inner chamber of nut shell 1 is provided with ring locating slot, the bottom of the disk flange outer surface of seal ring 2 is provided with round boss, the ring locating slot of nut shell 1 inner chamber matches with the round boss of the disk flange outer surface bottom of seal ring 2, guarantees that the rigging position of seal ring 2 immobilizes.
Preferably, as shown in Figure 4 and Figure 5, pad 3 is for alleviating the extruding force of disperseing seal ring 2, and the shape of cross section of pad 3 is ring, the bottom of the disk flange internal surface of seal ring 2 is provided with the pad locating slot of ring, and pad 3 is arranged in the pad locating slot of seal ring 2 bottom rings.During nut shell 1 locking, pipe joint end face and seal ring 2 form a kind of state of shear extrusion, and now main back cushion sheet 3 is alleviated the extruding force of disperseing seal ring 2, guarantees that seal ring 2 is not destroyed.In order to guarantee that nut seal device can normally work, the assembly relation between nut shell 1, seal ring 2 and pad 3 should be interference fit, to guarantee that each part rigging position after assembling of the utility model nut seal device immobilizes.
As shown in Figure 6 and Figure 7, in the present embodiment, seal ring 2 is packed in the inner chamber of nut shell 1, the projection 21 of seal ring 2 T-shape structures matches with the through hole 11 of nut shell 1, and the ring locating slot of nut shell 1 inner chamber matches with the round boss of the disk flange outer surface bottom of seal ring 2; Pad 3 is arranged in the ring locating slot of disk flange internal surface bottom of seal ring 2, then by screw thread, the nut seal device assembling is connected with the pipe joint of air conditioner refrigerating pipeline.
The nut seal device consisting of nut shell 1, seal ring 2 and pad 3 seals the pipe joint of air conditioner refrigerating pipeline, assurance exists a certain amount of inert gas and refrigerant in air conditioner refrigerating pipeline, make the ducted pressure of air conditioner refrigerating higher than ambient pressure, avoid air-conditioning to install and use front ambient air and invade air conditioner refrigerating pipeline oxidization inner-walls of duct.Fill after pressurized gas nut shell 1 inside, the disk position of seal ring 2 T-shape structures is extruded the through hole 11 directions protrusions of backward nut shell 1, cause the projection 21 of seal ring 2 T-shape structures in the interior outer side shifting to nut shell 1 of through hole 11, form a kind of state that stretches out.The flexible state of projection 21 by seal ring 2 T-shape structures in through hole 11 reaches a kind of object of visualized operation.
Embodiment four
As shown in Fig. 1, Fig. 8 and Fig. 9, a kind of nut seal device, for sealing the pipe joint of air conditioner refrigerating pipeline, comprises nut shell 1, seal ring 2, pad 3 and clamping sleeve 4.
Preferably, as shown in Figure 8 and Figure 9, main sealing and the telescopic action of rising of seal ring 2.The circular through hole 11 at nut shell 1 top matches with T-shape structure projection 21 positions of seal ring 2.During nut shell 1 locking, seal ring 2 is extruded the gap of filling up whole pipe joint end after distortion, and when seal ring 2 is flexible, the projection 21 of seal ring 2 T-shape structures moves up and down in through hole 11.
Preferably, as shown in Figure 8 and Figure 9, pad 3 is for alleviating the extruding force of disperseing seal ring 2, and the shape of cross section of pad 3 is ring, the bottom of the disk flange internal surface of seal ring 2 is provided with the pad locating slot of ring, and pad 3 is arranged in the pad locating slot of seal ring 2 bottom rings.During nut shell 1 locking, pipe joint end face and seal ring 2 form a kind of state of shear extrusion, and now main back cushion sheet 3 is alleviated the extruding force of disperseing seal ring 2, guarantees that seal ring 2 is not destroyed.In order to guarantee that nut seal device can normally work, the assembly relation between nut shell 1, seal ring 2 and pad 3 should be interference fit, to guarantee that each part rigging position after assembling of the utility model nut seal device immobilizes.
Preferably, as shown in Figure 8 and Figure 9, clamping sleeve 4 is for fixed seal ring 3, and the shape of cross section of clamping sleeve 4 is ring.Clamping sleeve 4 is arranged on the inner chamber of nut shell 1, and contacts with the disk flange of seal ring 2.The inner chamber of nut shell 1 is provided with step cutting pattern, and described step cutting pattern is for positioning compression cover 4.Assembly relation between nut shell 1, seal ring 2, pad 3 and clamping sleeve 4 should be interference fit, to guarantee that each part rigging position after assembling of the utility model nut seal device immobilizes.
As shown in Figure 8 and Figure 9, in the present embodiment, seal ring 2 is packed in the inner chamber of nut shell 1, the projection 21 of seal ring 2 T-shape structures matches with the through hole 11 of nut shell 1; Pad 3 is arranged in the pad locating slot of disk flange internal surface bottom ring of seal ring 2; Clamping sleeve 4 is arranged on the step cutting pattern place in nut shell 1, and contacts with the disk flange of seal ring 2, then by screw thread, the nut seal device assembling is connected with the pipe joint of air conditioner refrigerating pipeline.
The nut seal device consisting of nut shell 1, seal ring 2, pad 3 and clamping sleeve 4 seals the pipe joint of air conditioner refrigerating pipeline, assurance exists a certain amount of inert gas and refrigerant in air conditioner refrigerating pipeline, make the ducted pressure of air conditioner refrigerating higher than ambient pressure, avoid air-conditioning to install and use front ambient air and invade air conditioner refrigerating pipeline oxidization inner-walls of duct.Fill after pressurized gas nut shell 1 inside, the disk position of the T-shape structure of seal ring 2 is extruded the through hole 11 directions protrusions of backward nut shell 1, cause the projection 21 of seal ring 2 T-shape structures in the interior outer side shifting to nut shell 1 of through hole 11, form a kind of state that stretches out.The flexible state of projection 21 by seal ring 2 T-shape structures in through hole 11 reaches a kind of object of visualized operation.
In above-mentioned four embodiments, as shown in Figure 1, the shape of cross section of nut shell 1 is circular; In the rounded outer surface of nut shell 1, be provided with a plurality of projections of the long strip for locking nut housing 1, described a plurality of long strip projections are evenly distributed in the rounded outer surface of nut shell 1.Nut seal device is arranged on the pipe joint of air conditioner coolant pipeline, during nut shell 1 locking, described a plurality of long strip locking tool protruding and in air-conditioning carries out stop and coordinates, and the reliability while guaranteeing nut shell 1 locking, can also play the effect of stiffnut housing 1.
Nut seal device of the present utility model, rational in infrastructure simple, adopt the composite structure of seal ring and nut shell to seal the pipe joint of air conditioner coolant pipeline.Nut seal device internal structure is simple, can reduce the processing cost of the utility model nut seal device; Guarantee processing high conformity, and the generation of coolant leakage phenomenon can effectively control air-conditioning and produce time, and then improve the manufacturing efficiency of air-conditioning, Improving The Quality of Products.
The above embodiment has only expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a nut seal device, for sealed pipe joint, comprises nut shell and seal ring, and one end of described nut shell is provided with opening, and the inner chamber of described opening is provided with the screw thread matching with described pipe joint, it is characterized in that:
Described seal ring is discoid, and the center of described discoid seal ring arranges projection, and is provided with flange on described discoid seal ring;
The vertical sectional shape of described seal ring is a kind of T-shape;
Described seal ring is arranged on the inner chamber of described nut shell;
Described nut shell and described seal ring are interference fit.
2. nut seal device according to claim 1, is characterized in that:
The other end top of described nut shell is provided with circular through hole;
The T-shape boss of described through hole and described seal ring matches.
3. nut seal device according to claim 2, is characterized in that:
Also comprise pad;
Described pad is arranged on the inner side of the disk flange of described seal ring;
The shape of cross section of described pad is ring.
4. nut seal device according to claim 3, is characterized in that:
The bottom of the disk flange internal surface of described seal ring is provided with for the pad locating slot of described pad is installed.
5. nut seal device according to claim 4, is characterized in that:
Described seal ring and described pad are interference fit.
6. nut seal device according to claim 5, is characterized in that:
The inner chamber of described nut shell is provided with ring locating slot;
The bottom of the disk flange outer surface of described seal ring is provided with round boss;
Described round boss matches with described ring locating slot.
7. nut seal device according to claim 5, is characterized in that:
Also comprise the clamping sleeve for fixing described seal ring;
The shape of cross section of described clamping sleeve is ring;
Described clamping sleeve is arranged on the inner chamber of described nut shell, and contacts with the disk flange of described seal ring;
The inner chamber of described nut shell is provided with for locating the step cutting pattern of described clamping sleeve.
8. nut seal device according to claim 7, is characterized in that:
Described nut shell and described clamping sleeve are interference fit.
9. according to the nut seal device described in claim 1 to 8 any one, it is characterized in that:
The shape of cross section of described nut shell is circular;
In the rounded outer surface of described nut shell, be provided with a plurality of for locking the long strip projection of described nut shell;
Described a plurality of long strip projection is evenly distributed in the rounded outer surface of described nut shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560953.4U CN203488707U (en) | 2013-09-10 | 2013-09-10 | Nut sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560953.4U CN203488707U (en) | 2013-09-10 | 2013-09-10 | Nut sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488707U true CN203488707U (en) | 2014-03-19 |
Family
ID=50259542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560953.4U Expired - Lifetime CN203488707U (en) | 2013-09-10 | 2013-09-10 | Nut sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964092A (en) * | 2015-06-29 | 2015-10-07 | 合肥美的暖通设备有限公司 | Sealing device |
| CN105042039A (en) * | 2015-06-23 | 2015-11-11 | 上海梅山科技发展有限公司 | Assembly used for protecting and dismounting high-speed input shaft and output shaft |
-
2013
- 2013-09-10 CN CN201320560953.4U patent/CN203488707U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042039A (en) * | 2015-06-23 | 2015-11-11 | 上海梅山科技发展有限公司 | Assembly used for protecting and dismounting high-speed input shaft and output shaft |
| CN105042039B (en) * | 2015-06-23 | 2018-09-25 | 上海梅山科技发展有限公司 | A kind of sub-assembly for protecting and dismantling high speed input shaft and output shaft |
| CN104964092A (en) * | 2015-06-29 | 2015-10-07 | 合肥美的暖通设备有限公司 | Sealing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140319 |