CN204200023U - Waterproof and heat-insulating window - Google Patents
Waterproof and heat-insulating window Download PDFInfo
- Publication number
- CN204200023U CN204200023U CN201420549751.4U CN201420549751U CN204200023U CN 204200023 U CN204200023 U CN 204200023U CN 201420549751 U CN201420549751 U CN 201420549751U CN 204200023 U CN204200023 U CN 204200023U
- Authority
- CN
- China
- Prior art keywords
- heat
- glass
- sash frame
- waterproof
- strip
- 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
- 239000011521 glass Substances 0.000 claims abstract description 66
- 229920001971 elastomer Polymers 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000002390 adhesive tape Substances 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 6
- 239000002274 desiccant Substances 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 4
- 229920001897 terpolymer Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 16
- 238000009413 insulation Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Building Environments (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model belongs to building doors and windows technical field, mainly propose a kind of waterproof and heat-insulating window, waterproof and heat-insulating window comprises section material framework and glass, section material framework comprises sash frame and sash frame, sash frame and described sash frame are flexibly connected, glass guide channel is provided with in sash frame, described glass is arranged in glass guide channel, water-swellable bar is provided with between the outside of glass and sash frame, be provided with long-tail insulated rubber strip between the inner side of glass and sash frame to seal, heat insulating strip is provided with in section material framework, heat insulating strip is that the T-shaped heat insulating strip of cavity type is or/and the T-shaped heat insulating strip of partition-type, the inwall both sides of heat insulating strip connection profile framework, between sash frame and sash frame, be provided with dash adhesive tape and be fixed on sash frame, the frame fan position of sash frame is provided with cavity type soft-hard coextrusion rubber strip, soft-hard coextrusion rubber strip is by the sealing of frame fan part, each bight, inner side place of section material framework is installed with reinforcement.
Description
Technical field
The utility model belongs to building doors and windows technical field, is specifically related to a kind of window structure with waterproof and heat-insulating effect.
Background technology
Modern architecture requires that building doors and windows must have daylighting, sealing, insulation, heat insulation, sound insulation, fire prevention, the multiple using function such as dust-proof, antitheft, energy-conservation, could provide the indoor living environment of safety and comfort like this for people.Therefore, building doors and windows is the extremely important functional parts embodying the physical properties such as modern architecture sound, light, heat and environment, and has facade and indoor environment double decorative effect, is directly connected to the use safety of building, comfortable and energy-conservation.
In addition, building doors and windows is as a part for external wall and interior decoration, and the appearance effect such as its form of structure, material texture and surface color and polish play very important function and decoration function to the coordination attractive in appearance inside and outside building.Door and window is the ingredient of architecture enclosing structure, and be the most responsive position of building interchange of heat, its unit area energy consumption is 5 ~ 6 times of body of wall, and the heat-energy losses of door and window accounts for more than 40% of whole building.
The door and window used in current building, more and more using insulation, waterproof and the energy-conservation important performance assessment criteria as door and window performance.In prior art, for the utility model application that the problems referred to above have insider to propose a kind of name to be called two heat-insulation aluminum section inward-opening door/window structure (application number is 200820051643.9).
As shown in Figure 1, in this application, include outter frame profile 1, inner frame section 2, between outter frame profile 1 and inner frame section 2, wear bar 3, outter frame profile forms injecting glue groove 4, in injecting glue groove, be marked with adiabatic gum 5.
Although this technology is by arranging double-deck section bar, and the mode wearing bar and filling adiabatic gum between double-deck section bar reaches effect of heat insulation to a certain degree, but owing to not arranging the parts being used for enhanced leaktightness effect between the outside and inside of window, the sealing effectiveness of described this pair of heat-insulation aluminum section inward-opening door/window structure is not very strong, meanwhile, this technology does not reach the effect of waterproof.
Utility model content
Main purpose of the present utility model is to provide a kind of waterproof and heat-insulating window, to solve above-mentioned the problems of the prior art mentioned.
For reaching above-mentioned purpose, major technique solution of the present utility model is to provide a kind of waterproof and heat-insulating window, described waterproof and heat-insulating window comprises section material framework and glass, described section material framework comprises sash frame and sash frame, described sash frame and described sash frame are flexibly connected, glass guide channel is provided with in described sash frame, described glass is arranged in described glass guide channel, be provided with water-swellable bar between the outside of described glass and described sash frame to seal, be provided with long-tail insulated rubber strip between the inner side of described glass and described sash frame to seal, heat insulating strip is provided with in described section material framework, described heat insulating strip is that the T-shaped heat insulating strip of cavity type is or/and the T-shaped heat insulating strip of partition-type, described heat insulating strip connects the inwall both sides of described section material framework, between sash frame and sash frame, be provided with dash adhesive tape and be fixed on sash frame, described water-swellable bar, long-tail insulated rubber strip, heat insulating strip, the inner space of described section material framework cuts off by dash adhesive tape and glass completely, the frame fan position of described sash frame is provided with cavity type soft-hard coextrusion rubber strip, described soft-hard coextrusion rubber strip is by the sealing of described frame fan part, each bight, inner side place of described section material framework is fixed with reinforcement, described reinforcement connects the adjacent edge of described section material framework.
Preferably, described waterproof and heat-insulating window also comprises cushion block and bearing plate, and described glass is arranged on described cushion block, and described cushion block is arranged on described bearing plate.
Preferably, be provided with corresponding at least two blocks of glass in described glass guide channel, fixed by the mode of hollow glass glue bond between described glass and glass.
Preferably, described glass is hollow glass, is also provided with desiccant between described at least two blocks of glass.
Preferably, described bearing plate is plastic plate.
Preferably, the quantity of described heat insulating strip is more than 2, is provided with foam between described heat insulating strip and heat insulating strip.
Preferably, described long-tail insulated rubber strip is Ethylene Propylene Terpolymer glass adhesive tape.
Preferably, described dash adhesive tape is Multicarity dash adhesive tape, and described Multicarity dash adhesive tape is ethylene propylene diene rubber Multicarity dash adhesive tape.
Preferably, described sash frame and described sash frame are flexibly connected by hinge.
Preferably, described reinforcement is fixed by the adjacent edge of bi-component glue and described section material framework.
The utility model compared with the existing technology, has the following advantages and beneficial effect:
1, waterproof and heat-insulating window described in the utility model adopts symmetrical frame equipment structure design, and the specification kind of window frame group connecting part part is rationalized.
2, in waterproof and heat-insulating window described in the utility model, the width of heat insulating strip can do to the limit, improves the heat-proof quality of whole forms.
3, waterproof and heat-insulating window described in the utility model adopt the soft-hard coextrusion rubber strip of European standard, make frame fan between laminating tightr, ensure the air-tightness between frame fan.
4, the water-swellable bar adopted in waterproof and heat-insulating window described in the utility model and long-tail insulated rubber strip can ensure the watertightness that whole forms are excellent and tightness.
5, the window structure of waterproof and heat-insulating window described in the utility model ensures that the ponding in sash can be discharged in time.
6, waterproof and heat-insulating window described in the utility model window structure can with the versatility of other serial section bars and Hardware fitting, the sash frame adding large gauge can be applicable to large-sized unlatching sash, and can realize the exchange of backflap hinge and hidden hinge.
7, the reinforcement that waterproof and heat-insulating window described in the utility model adopts can ensure intensity and the waterproof effect of whole forms.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of of the prior art pair of heat-insulation aluminum section inward-opening door/window structure.
Fig. 2 is the cross section structure schematic diagram of the first embodiment of waterproof and heat-insulating window described in the utility model.
Fig. 3 is the opening ways schematic diagram of the first embodiment of waterproof and heat-insulating window described in the utility model.
Critical element symbol description:
1 outter frame profile 2 inner frame section
3 wear bar 4 injecting glue groove
5 heat insulating strip 6 sash frame
7 sash frame 8 water-swellable bars
9 long-tail insulated rubber strip 10 glue
11 glass 12 desiccant
13 cushion block 14 bearing plates
15 dash adhesive tape 16 heat insulating strips
17 cavity 18 soft-hard coextrusion rubber strips.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 2 is the cross section structure schematic diagram of the first embodiment of waterproof and heat-insulating window described in the utility model.
Fig. 3 is the opening ways schematic diagram of the first embodiment of waterproof and heat-insulating window described in the utility model.
As shown in Figures 2 and 3, the utility model provides a kind of waterproof and heat-insulating window, described waterproof and heat-insulating window comprises section material framework and glass 11, described section material framework comprises sash frame 6 and sash frame 7, described sash frame 6 and described sash frame 7 are flexibly connected, glass guide channel is provided with in described sash frame 6, described glass 11 is arranged in described glass guide channel, be provided with water-swellable bar 8 between the outside of described glass 11 and described sash frame 6 to seal, be provided with long-tail insulated rubber strip 9 between the inner side of described glass 11 and described sash frame 6 to seal, heat insulating strip 16 is provided with in described section material framework, described heat insulating strip 16 is that the T-shaped heat insulating strip of cavity type is or/and the T-shaped heat insulating strip of partition-type, described heat insulating strip 16 connects the inwall both sides of described section material framework, between sash frame 6 and sash frame 7, be provided with dash adhesive tape 15 and be fixed on sash frame 7, described water-swellable bar 8, long-tail insulated rubber strip 9, heat insulating strip 16, the inner space of described section material framework cuts off by dash adhesive tape 15 and glass 11 completely, the frame fan position of described sash frame 6 is provided with cavity type soft-hard coextrusion rubber strip 18, described soft-hard coextrusion rubber strip 18 is by the sealing of described frame fan part, each bight place of described section material framework is fixed with reinforcement, described reinforcement connects the adjacent edge of described section material framework.
As shown in Figure 2, the inner space of described sash frame can isolate by the part of described long-tail insulated rubber strip 9 to a greater degree.
In the first embodiment of the present utility model, described heat insulating strip 16 is for having added polyamide nylon 66 material of 25% glass fiber, described dash adhesive tape 15 is ethylene propylene diene monomer (EPDM) material, and described soft-hard coextrusion rubber strip 18 foams for Ethylene Propylene Terpolymer and vulcanie co-extrusion is synthesized.
As one distortion of the present utility model, described long-tail insulated rubber strip 16, described dash adhesive tape 15 and described soft-hard coextrusion rubber strip 18 also can select other materials, and specific embodiment of the utility model is not as limit.
Preferred as one of the present utility model, described waterproof and heat-insulating window also comprises cushion block 13 and bearing plate 14, shown cushion block 13 is arranged at the two ends of described glass 11 bottom surface, and described glass 11 is arranged on described cushion block 13, and described cushion block 13 is arranged on described bearing plate 14.
Further, described bearing plate 14 selects the plastic plate of light-high-strength.
In the first embodiment of the present utility model, be provided with corresponding at least two blocks of glass 11 in described glass guide channel, the mode mutually bonded by glue 10 between described glass and glass is fixed.
As one distortion of the present utility model, described glass guide channel size according to the demand of client to adopt the line ball of different size to adjust, so that adapt to the glass 11 of different-thickness, can reach better waterproof and heat-insulating effect.
In the first embodiment of the present utility model, described glass 11 is hollow glass, is also provided with desiccant 12 between described at least two blocks of glass 11, and described desiccant 12 can absorb extraneous aqueous vapor of infiltrating, and improves waterproof effect described in the utility model further.
As one distortion of the present utility model, described glass 11 also can select the glass of other types, and specific embodiment of the utility model is not as limit.
In the first embodiment of the present utility model, the quantity of described heat insulating strip 16 is more than 2, arrange and insulation requirement can be provided with foam between described heat insulating strip 16 and heat insulating strip 16, described foam further enhancing the effect of waterproof and heat-insulating described in the utility model.
In the first embodiment of the present utility model, described long-tail insulated rubber strip 9 is Ethylene Propylene Terpolymer glass adhesive tape.
Further, described dash adhesive tape 15 is Multicarity dash adhesive tape, and described Multicarity dash adhesive tape 15 is rubber Multicarity dash adhesive tape.
Preferably, described heat insulating strip 16 is for having added the polyamide nylon heat insulating strip of 25% glass fiber.
In the first embodiment of the present utility model, described reinforcement is fixed by the adjacent edge of bi-component glue and described section material framework.
In the concrete structure of waterproof and heat-insulating window described in the utility model, also set up many places cavity 17, described cavity 17 can not only improve effect of heat insulation further, and can improve the intensity of waterproof and heat-insulating window described in the utility model.
Further, in the first embodiment of the present utility model, described sash frame 6 and described sash frame 7 realize being flexibly connected by hinge.
In the structure of waterproof and heat-insulating window described in the utility model, described hinge can be backflap hinge, can be also hidden hinge, can determine in practical application according to customer demand.
Fig. 3 is the opening ways schematic diagram of the first embodiment of waterproof and heat-insulating window described in the utility model.
As shown in Figure 3, waterproof and heat-insulating window construction described in the utility model can realize dissimilar turn on window.
The following operating principle that is waterproof and heat-insulating window described in the utility model according to Fig. 2 does the explanation of a nearlyer step.
As shown in Figure 2, when sash frame 6 and sash frame 7 close, completely the inner space of the section material framework of waterproof and heat-insulating window described in the utility model is separated into two parts by water-swellable bar 8, glass 11, long-tail insulated rubber strip 9, heat insulating strip 16, dash adhesive tape 15.
When extraneous blast and rainfall increase to the sealing of breakthrough first, water-swellable bar 8 starts to expand, and pressure between itself and glass is increased, and is greater than extraneous blast, add the effect of second sealing.The use of long-tail insulated rubber strip 9, blocks the flowing of described waterproof and heat-insulating window internal heat, adds heat-proof quality simultaneously simultaneously.
The soft-hard coextrusion rubber strip 18 used due to the utility model uses the technology of advanced foaming compound, strengthen heat insulation, airtight of water tightness performance, simultaneously flexible glue bar part again reduces impact force when closing sash and hoisting capacity, makes opening and closing window more convenient comfortable.
To sum up, glass 11, water-swellable bar 6 and dash adhesive tape 15 can produce the effect of waterproof water proof, and heat insulating strip 16, foam, long-tail insulated rubber strip 9 and soft-hard coextrusion rubber strip 18 have heat insulation effect.
Therefore, when outside rain or the high temperature of glass 11, the stop that can realize outside rainwater or high temperature by waterproof and heat-insulating window described in the utility model, thus separated completely in the inner space of waterproof and heat-insulating window described in the utility model and space outerpace, thus realize the effect of waterproof and heat-insulating.
The utility model compared with the existing technology, has the following advantages and beneficial effect:
The utility model compared with the existing technology, has the following advantages and beneficial effect:
1, waterproof and heat-insulating window described in the utility model adopts symmetrical frame equipment structure design, and the specification kind of window frame group connecting part part is rationalized.
2, in waterproof and heat-insulating window described in the utility model, the width of heat insulating strip can do to the limit, improves the heat-proof quality of whole forms.
3, waterproof and heat-insulating window described in the utility model adopt the soft-hard coextrusion rubber strip of European standard, make frame fan between laminating tightr, ensure the air-tightness between frame fan.
4, the water-swellable bar adopted in waterproof and heat-insulating window described in the utility model and long-tail insulated rubber strip can ensure the watertightness that whole forms are excellent and tightness.
5, the window structure of waterproof and heat-insulating window described in the utility model ensures that the ponding in sash can be discharged in time.
6, waterproof and heat-insulating window described in the utility model window structure can with the versatility of other serial section bars and Hardware fitting, the sash frame adding large gauge can be applicable to large-sized unlatching sash, and can realize the exchange of backflap hinge and hidden hinge.
7, the reinforcement that waterproof and heat-insulating window described in the utility model adopts can ensure intensity and the waterproof effect of whole forms.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a waterproof and heat-insulating window, it is characterized in that, described waterproof and heat-insulating window comprises section material framework and glass, described section material framework comprises sash frame and sash frame, described sash frame and described sash frame are flexibly connected, glass guide channel is provided with in described sash frame, described glass is arranged in described glass guide channel, be provided with water-swellable bar between the outside of described glass and described sash frame to seal, be provided with long-tail insulated rubber strip between the inner side of described glass and described sash frame to seal, heat insulating strip is provided with in described section material framework, described heat insulating strip is that the T-shaped heat insulating strip of cavity type is or/and the T-shaped heat insulating strip of partition-type, described heat insulating strip connects the inwall both sides of described section material framework, between sash frame and sash frame, be provided with dash adhesive tape and be fixed on sash frame, described water-swellable bar, long-tail insulated rubber strip, heat insulating strip, the inner space of described section material framework cuts off by dash adhesive tape and glass completely, the frame fan position of described sash frame is provided with cavity type soft-hard coextrusion rubber strip, described soft-hard coextrusion rubber strip is by the sealing of described frame fan part, each bight, inner side place of described section material framework is fixed with reinforcement, described reinforcement connects the adjacent edge of described section material framework.
2. waterproof and heat-insulating window according to claim 1, is characterized in that, described waterproof and heat-insulating window also comprises cushion block and bearing plate, and described glass is arranged on described cushion block, and described cushion block is arranged on described bearing plate.
3. waterproof and heat-insulating window according to claim 2, is characterized in that, is provided with corresponding at least two blocks of glass, is fixed between described glass and glass by the mode of hollow glass glue bond in described glass guide channel.
4. waterproof and heat-insulating window according to claim 3, is characterized in that, described glass is hollow glass, is also provided with desiccant between described at least two blocks of glass.
5. waterproof and heat-insulating window according to claim 4, is characterized in that, described bearing plate is plastic plate.
6. waterproof and heat-insulating window according to claim 5, is characterized in that, the quantity of described heat insulating strip is more than 2, is provided with foam between described heat insulating strip and heat insulating strip.
7. waterproof and heat-insulating window according to claim 1, is characterized in that, described long-tail insulated rubber strip is Ethylene Propylene Terpolymer glass adhesive tape.
8. waterproof and heat-insulating window according to claim 1, is characterized in that, described dash adhesive tape is Multicarity dash adhesive tape, and described Multicarity dash adhesive tape is ethylene propylene diene rubber Multicarity dash adhesive tape.
9. waterproof and heat-insulating window according to claim 1, is characterized in that, described sash frame and described sash frame are flexibly connected by hinge.
10. waterproof and heat-insulating window according to claim 1, is characterized in that, described reinforcement is fixed by the adjacent edge of bi-component glue and described section material framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549751.4U CN204200023U (en) | 2014-09-23 | 2014-09-23 | Waterproof and heat-insulating window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549751.4U CN204200023U (en) | 2014-09-23 | 2014-09-23 | Waterproof and heat-insulating window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200023U true CN204200023U (en) | 2015-03-11 |
Family
ID=52657992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549751.4U Expired - Lifetime CN204200023U (en) | 2014-09-23 | 2014-09-23 | Waterproof and heat-insulating window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200023U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545159A (en) * | 2016-01-21 | 2016-05-04 | 江苏源盛复合材料技术股份有限公司 | Energy-saving heat-preserving section bar and energy-saving heat-preserving fireproof window comprising section bar |
| CN108779662A (en) * | 2016-02-29 | 2018-11-09 | 许克国际两合公司 | Door frame Vierendeel girder and/or fan frame are set a roof beam in place and door, window or facade unit |
| CN108843188A (en) * | 2018-08-22 | 2018-11-20 | 河南科饶恩门窗有限公司 | A kind of super low energy consumption building doors and windows system |
-
2014
- 2014-09-23 CN CN201420549751.4U patent/CN204200023U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545159A (en) * | 2016-01-21 | 2016-05-04 | 江苏源盛复合材料技术股份有限公司 | Energy-saving heat-preserving section bar and energy-saving heat-preserving fireproof window comprising section bar |
| CN108779662A (en) * | 2016-02-29 | 2018-11-09 | 许克国际两合公司 | Door frame Vierendeel girder and/or fan frame are set a roof beam in place and door, window or facade unit |
| CN108779662B (en) * | 2016-02-29 | 2021-11-05 | 许克国际两合公司 | Frame beam for a door, window or facade element |
| CN108843188A (en) * | 2018-08-22 | 2018-11-20 | 河南科饶恩门窗有限公司 | A kind of super low energy consumption building doors and windows system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150311 |