CN215630872U - Bridge cut-off formula composite insulation wall - Google Patents
Bridge cut-off formula composite insulation wall Download PDFInfo
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- CN215630872U CN215630872U CN202122171360.6U CN202122171360U CN215630872U CN 215630872 U CN215630872 U CN 215630872U CN 202122171360 U CN202122171360 U CN 202122171360U CN 215630872 U CN215630872 U CN 215630872U
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Abstract
The application relates to the technical field of environment-friendly building materials, in particular to a bridge-cut-off type composite heat-insulating wall. A bridge-cut-off type composite heat-insulating wall comprises a composite heat-insulating wall body, wherein the composite heat-insulating wall body comprises an aluminum alloy combined wall body, side end sealing pieces and surface sealing covers, and the side end sealing pieces are fixedly and hermetically connected to two side ends of the aluminum alloy combined wall body; the surface sealing covers are respectively detachably connected to the upper surface and the lower surface of the aluminum alloy combined wall body; the aluminum alloy combined wall comprises hollow aluminum alloy sections, heat insulation strips and heat insulation filling layers, wherein the heat insulation strips are detachably connected among the hollow aluminum alloy sections; the heat insulation filling layer is filled between the hollow aluminum alloy sections, and the heat insulation filling layer is positioned between the adjacent heat insulation strips. The heat-insulation and sound-insulation composite board has good heat-insulation and sound-insulation performance, and is light in overall mass, convenient to transport and install.
Description
Technical Field
The application relates to the technical field of environment-friendly building materials, in particular to a bridge-cut-off type composite heat-insulating wall.
Background
With the push of environmental protection policies, the concept of green buildings has been proposed in the construction industry. The green building is harmless to the environment and can fully utilize the natural resources of the environment. At present, in order to achieve the standard of green buildings, the existing buildings usually adopt the technical means of adding heat insulation walls outside the walls of the buildings.
Referring to fig. 1, a building wall body adds thermal-insulated thermal insulation wall structure outward among the correlation technique, including fixed connection in the channel-section steel 9 of former outer wall body, the welding of channel-section steel 9 has first L type connecting piece 91, and first L type connecting piece 91 passes through bolt fixedly connected with second L type connecting piece 92, and second L type connecting piece 92 fixedly connected with connecting piece 93, connecting piece 93 bolted connection have thermal insulation wallboard 94. Currently, commercially available insulation wall panels 94 include rock wool panels, foamed cement panels, foamed ceramic insulation panels, and the like.
Aiming at the structure of the building wall body external heat insulation wall body in the related technology, the applicant finds that the technical scheme has the following defects: although the heat-insulating wall board in the related art has a certain heat-insulating effect, the self weight is relatively heavy, and the transportation and the installation are inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the quality that has self in the correlation technique is heavier relatively, be not convenient for transportation and installation, the application provides a bridge cut-off formula composite insulation wall.
The application provides a bridge cut-off formula composite insulation wall body can be realized through following technical scheme:
a bridge-cut-off type composite heat-insulating wall comprises a composite heat-insulating wall body, wherein the composite heat-insulating wall body comprises an aluminum alloy combined wall body, side end sealing pieces and surface sealing covers, and the side end sealing pieces are fixedly and hermetically connected to two side ends of the aluminum alloy combined wall body; the surface sealing covers are respectively detachably connected to the upper surface and the lower surface of the aluminum alloy combined wall body; the aluminum alloy combined wall comprises hollow aluminum alloy sections, heat insulation strips and heat insulation filling layers, wherein the heat insulation strips are detachably connected among the hollow aluminum alloy sections; the heat insulation filling layer is filled between the hollow aluminum alloy sections, and the heat insulation filling layer is positioned between the adjacent heat insulation strips.
By adopting the technical scheme, the aluminum alloy combined wall, the side end sealing element and the surface sealing cover can be detachably assembled to form the composite heat-insulation wall, the hollow aluminum alloy section, the heat insulation strip and the heat insulation filling layer can be detachably assembled to form the aluminum alloy combined wall, and the whole body is of a detachable structure, so that the production, transportation, assembly and maintenance of the whole body are facilitated; and the broken bridge type composite heat preservation wall body that this application assembled and formed not only whole quality is lighter, is convenient for transport and installation, has better thermal-insulated thermal insulation performance and sound insulation performance moreover, compound green building materials standard.
Preferably, the hollow aluminum alloy section comprises a main rectangular frame section, an auxiliary rectangular frame section and a connecting beam; one end of the connecting beam is fixedly connected to the auxiliary rectangular frame section bar, and the other end of the connecting beam is fixedly connected to the main rectangular frame section bar; the number of the connecting beams between the adjacent main rectangular frame body section bars and the auxiliary rectangular frame body section bars is at least two; the auxiliary rectangular frame section bars are respectively and fixedly connected to the upper surface and the lower surface of the main rectangular frame section bar through connecting beams; the heat insulation strips comprise first plastic heat insulation strips and second plastic heat insulation strips, and the first plastic heat insulation strips are detachably connected between the auxiliary rectangular frame body profiles of the adjacent hollow aluminum alloy profiles; the second plastic heat insulation strip is detachably connected between the main rectangular frame profiles of the adjacent hollow aluminum alloy profiles; the heat insulation filling layer is filled between the hollow aluminum alloy sections and is positioned between the first plastic heat insulation strips and the second plastic heat insulation strips.
By adopting the technical scheme, the purpose of detachable assembly of the hollow aluminum alloy section is realized, and the hollow aluminum alloy section is convenient to transport, install and maintain; and the main rectangular frame section and the auxiliary rectangular frame section are frame structures, so that the overall heat insulation performance can be effectively improved.
Preferably, the main rectangular frame section is filled with polyurethane heat-insulating section blocks.
By adopting the technical scheme, the overall heat insulation performance is further improved.
Preferably, the side wall of the secondary rectangular frame profile is integrally extruded and molded with a first connecting strip along the length direction of the secondary rectangular frame profile; the first connecting bar is integrally formed with a first clamping groove; a first matching strip is integrally formed at two ends of the first plastic heat insulation strip; the first adapting strip is clamped in the first clamping groove of the first connecting strip.
Through adopting above-mentioned technical scheme, realized dismantling the purpose of linking together adjacent aluminum alloy ex-trusions through the thermal-insulated strip of first plastics, not only improved holistic thermal-insulated heat preservation performance, be convenient for holistic transportation, equipment and maintenance moreover.
Preferably, the side wall of the main rectangular frame profile is integrally extruded and molded with a second connecting strip along the length direction of the main rectangular frame profile; a second clamping groove is integrally formed on the second connecting strip; a second matching strip is integrally formed at the two ends of the second plastic heat insulation strip; the second adapting strip is clamped in a second clamping groove of the second connecting strip.
Through adopting above-mentioned technical scheme, realized dismantling the purpose of linking together adjacent aluminum alloy ex-trusions through the thermal-insulated strip of second plastics, not only improved holistic thermal-insulated heat preservation performance, be convenient for holistic transportation, equipment and maintenance moreover.
Preferably, the number of the second connecting strips is at least two; and an insulating cavity is formed between the adjacent second plastic insulating strips.
By adopting the technical scheme, the integral heat insulation performance is improved, the integral quality is effectively reduced, and the integral transportation, assembly and maintenance are facilitated.
Preferably, the surface of the secondary rectangular frame section bar, which is back to the main rectangular frame section bar, is integrally formed with a third connecting strip along the length direction of the secondary rectangular frame section bar; a third clamping groove is integrally formed on the third connecting strip; a third matching strip is integrally formed on the lower surface of the surface sealing cover along the length direction of the surface sealing cover; the third adapting strip is clamped in a third clamping groove of the third connecting strip.
Through adopting above-mentioned technical scheme, realized that the surface closing cap can dismantle the purpose of connecting in aluminum alloy combination wall body, be convenient for holistic transportation, equipment and maintenance.
Preferably, a fourth mating strip is integrally formed on the lower surface of the surface sealing cover along the length direction of the surface sealing cover; a fourth connecting strip is integrally formed on the upper surface of the first plastic heat insulation strip along the length direction of the first plastic heat insulation strip; a fourth clamping groove is integrally formed on the fourth connecting strip; the fourth adapting strip is clamped in a fourth clamping groove of the fourth connecting strip.
Through adopting above-mentioned technical scheme, strengthen the joint strength of surface closing cap and aluminum alloy combination wall body, and then guarantee holistic life.
Preferably, the side end seal is integrally formed with a first insert and a second insert; the first embedded block can be embedded in the main rectangular frame section; the second embedded block can be embedded in the auxiliary rectangular frame body section bar.
Through adopting above-mentioned technical scheme, realized that the side sealing member can dismantle and fixed connection in the purpose of the both sides end of aluminum alloy combination wall body, be convenient for holistic production, transportation and equipment.
In summary, the present application has the following advantages:
1. the heat-insulation and sound-insulation composite board has good heat-insulation and sound-insulation performance, and is light in overall mass, convenient to transport and install.
2. This application is formed by each parts equipment, the holistic production of being convenient for, transportation, equipment and maintenance.
Drawings
Fig. 1 is a schematic structural view of a heat insulation wall body outside a building wall body in the related art.
Fig. 2 is an overall appearance display diagram of an embodiment in the present application.
Fig. 3 is a schematic structural diagram of an aluminum alloy composite wall in an embodiment of the application.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a partially enlarged view at B in fig. 3.
Fig. 6 is a partially enlarged view at C in fig. 3.
Fig. 7 is a top view of a side end seal in an embodiment of the present application.
In the figure, 1, a composite heat-insulating wall body; 11. an aluminum alloy combined wall body; 12. a side end seal; 121. a first slug; 122. a second slug; 123. a third slug; 13. surface sealing; 131. a third mating strip; 132. a fourth mating strip; 2. a hollow aluminum alloy profile; 20. a polyurethane insulation section block; 200. a thermally insulating cavity; 21. a main rectangular frame section; 211. a second connecting strip; 212. a second card slot; 22. a sub-rectangular frame section; 221. a first connecting bar; 222. a first card slot; 223. a third connecting strip; 224. a third card slot; 23. a connecting beam; 231. a heat preservation cavity; 3. a heat insulating strip; 31. a first plastic insulating strip; 311. a first mating strip; 312. a fourth connecting bar; 313. a fourth clamping groove; 32. a second plastic insulating strip; 321. a second mating strip; 33. a third plastic insulating strip; 4. a thermally insulating fill layer; 5. a fifth connecting strip; 50. a fifth groove; 6. connecting sheets; 7. a fifth mating strip; 9. channel steel; 91. a first L-shaped connector; 92. a second L-shaped connector; 93. a connecting member; 94. provided is a heat-insulation wallboard.
Detailed Description
The present application is described in further detail below with reference to figures 2-7 and examples.
Referring to fig. 2 and fig. 3, for the utility model discloses a bridge cut-off formula composite insulation wall, including composite insulation wall 1, the mutual concatenation can form bridge cut-off formula composite insulation wall between the composite insulation wall 1. The single composite heat-insulating wall body 1 comprises an aluminum alloy combined wall body 11, two side end sealing pieces 12 and two surface sealing covers 13 made of ABS engineering plastics. The two side end sealing pieces 12 are respectively fixedly connected to two side ends of the aluminum alloy combined wall body 11. In order to ensure the connection sealing performance of the aluminum alloy combined wall 11 and the two side end sealing pieces 12, silicone sealant is coated at the joint gap between the aluminum alloy combined wall 11 and the two side end sealing pieces 12. The two surface sealing covers 13 are respectively clamped on the upper surface and the lower surface of the aluminum alloy combined wall body 11.
Referring to fig. 3, the aluminum alloy composite wall 11 includes hollow aluminum alloy sections 2, heat insulating strips 3 and heat insulating filling layers 4, and the heat insulating strips 3 are clamped between the two hollow aluminum alloy sections 2, so that the two hollow aluminum alloy sections 2 are fixedly connected together. The heat insulation filling layer 4 is made of silica aerogel felt, the silica aerogel felt is filled between the two hollow aluminum alloy sections 2, and the filling position of the silica aerogel felt is located between the adjacent heat insulation strips 3.
Referring to fig. 3, in the specific structure of the hollow aluminum alloy profile 2, the hollow aluminum alloy profile 2 includes a main rectangular frame profile 21, an auxiliary rectangular frame profile 22, and four connecting beams 23, where two of the connecting beams 23 are fixedly connected to the upper surface of the main rectangular frame profile 21, and the other two connecting beams 23 are fixedly connected to the lower surface of the main rectangular frame profile 21. The other end of the connecting beam 23 fixedly connected to the upper surface of the main rectangular frame section 21 is fixedly connected to the lower surface of the sub rectangular frame section 22. The other end of the connecting beam 23 fixedly connected to the lower surface of the main rectangular frame section 21 is fixedly connected to the upper surface of the sub rectangular frame section 22. A heat-insulating cavity 231 is formed between the adjacent connecting beams 23. In order to ensure the overall heat insulation performance, the polyurethane heat insulation section block 20 is filled in the main rectangular frame body section bar 21.
Referring to fig. 3, the insulating strips 3 comprise two first plastic insulating strips 31, two second plastic insulating strips 32 and two third plastic insulating strips 33. The first plastic heat insulating strip 31 is clamped between the sub-rectangular frame profiles 22 of the two adjacent hollow aluminum alloy profiles 2. The third plastic heat insulation strip 33 is also clamped between the secondary rectangular frame profiles 22 of the two adjacent hollow aluminum alloy profiles 2. The second plastic heat insulation strip 32 is clamped between the main rectangular frame profiles 21 of the two adjacent hollow aluminum alloy profiles 2. The heat insulation filling layer 4 is filled between the two hollow aluminum alloy profiles 2, and the filling position of the heat insulation filling layer 4 is between the third plastic heat insulation strip 33 and the second plastic heat insulation strip 32.
Referring to fig. 3 and fig. 4, two first connecting strips 221 are integrally extruded on the side wall of the sub-rectangular frame section 22 along the length direction of the sub-rectangular frame section 22, and the first connecting strips 221 are integrally formed with first engaging grooves 222. One of the first connecting strips 221 is located at the upper part of the side wall of the sub-rectangular frame section 22, and the other first connecting strip 221 is located at the lower part of the side wall of the sub-rectangular frame section 22. The first plastic heat insulating strip 31 has first coupling strips 311 integrally formed at both ends thereof along the length direction thereof. The first adapting strip 311 is clamped in the first clamping groove 222 of the first connecting strip 221 positioned on the upper part of the side wall of the secondary rectangular frame profile 22, so that the purpose that the first plastic heat insulation strip 31 is detachably connected to the hollow aluminum alloy profile 2 is realized, and the integral transportation and assembly are facilitated. The third plastic heat insulating strip 33 is also integrally formed with a first mating strip 311 at both ends along its length. The third plastic heat insulating strip 33 is clamped in the first clamping groove 222 of the first connecting strip 221 located at the lower part of the side wall of the secondary rectangular frame profile 22.
Referring to fig. 3, and with reference to fig. 4, the surface cover 13 is connected to the hollow aluminum alloy profile 2 in the following manner: the surface of the sub rectangular frame section 22 facing away from the main rectangular frame section 21 is integrally formed with a third connecting bar 223 along the longitudinal direction of the sub rectangular frame section 22, and the third connecting bar 223 is integrally formed with a third engaging groove 224. The lower surface of the surface cover 13 is integrally formed with a third mating strip 131 along the length direction of the surface cover 13. The third adapting strip 131 is clamped in the third clamping groove 224 of the third connecting strip 223, so that the purpose that the surface sealing cover 13 is detachably connected to the hollow aluminum alloy section bar 2 is realized, and the integral transportation and assembly are facilitated.
Referring to fig. 3 and 5, in order to enhance the connection strength between the surface cover 13 and the hollow aluminum alloy profile 2, a fourth mating strip 132 is integrally formed on the lower surface of the surface cover 13 along the length direction of the surface cover 13, and the fourth mating strip 132 is located in the middle of the lower surface of the surface cover 13. The fourth connecting bar 312 is integrally formed on the upper surface of the first plastic heat insulating bar 31 along the length direction of the first plastic heat insulating bar 31, and the fourth connecting bar 312 is integrally formed with a fourth clamping groove 313. The fourth adapting strip 132 is clamped in the fourth clamping groove 313 of the fourth connecting strip 312, so that the purpose of enhancing the connecting strength of the surface cover 13 and the hollow aluminum alloy section 2 is realized, and the service life of the whole body can be prolonged. In addition, a fifth connecting strip 5 is integrally formed on the upper portion of the outward side wall of the sub-rectangular frame section 22 along the longitudinal direction of the sub-rectangular frame section 22, and a fifth groove 50 is formed on the fifth connecting strip 5. The surface cover 13 is bent to form the connecting piece 6. The side surface of the connecting sheet 6 facing the fifth connecting strip 5 is integrally formed with a fifth matching connecting strip 7 along the length direction of the connecting sheet 6. The fifth adapting strip 7 is clamped in the fifth groove 50 of the fifth connecting strip 5. The fifth adapting strip 7 and the clamping groove of the fifth groove 50 are filled with silicone sealant to ensure the whole sealing performance, and further ensure the whole heat preservation and heat insulation performance.
Referring to fig. 3, in conjunction with fig. 6, the side wall of the main rectangular frame section 21 is integrally extruded with two second connecting bars 211 along the longitudinal direction of the main rectangular frame section 21. The single second connection bar 211 is integrally formed with a second card slot 212. The second plastic heat insulating strip 32 is integrally formed with a second coupling strip 321 at both ends along the length direction thereof. The second adapting strip 321 is clamped in the second clamping groove 212 of the second connecting strip 211, so that the purpose that the second plastic heat insulation strip 32 is detachably connected to the hollow aluminum alloy section bar 2 is realized. The heat insulation cavity 200 is formed between the adjacent second plastic heat insulation strips 32, so that the overall quality can be reduced, the transportation and the assembly are convenient, and the better heat insulation and noise reduction effects can be achieved.
Referring to fig. 7, the side end seal 12 is integrally formed with a first insert 121, a second insert 122, and a third insert 123. The first insert 121 can be inserted into the main rectangular frame section 21. The second insert 122 may be fitted into the sub-rectangular frame profile 22. A third insert 123 may be fitted to the insulating cavity 200.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a bridge cut-off formula composite insulation wall which characterized in that: the composite heat-insulation wall comprises a composite heat-insulation wall body (1), wherein the composite heat-insulation wall body (1) comprises an aluminum alloy combined wall body (11), side end sealing pieces (12) and a surface sealing cover (13), and the side end sealing pieces (12) are fixedly and hermetically connected to two side ends of the aluminum alloy combined wall body (11); the surface sealing covers (13) are respectively detachably connected to the upper surface and the lower surface of the aluminum alloy combined wall body (11); the aluminum alloy combined wall (11) comprises hollow aluminum alloy sections (2), heat insulation strips (3) and heat insulation filling layers (4), wherein the heat insulation strips (3) are detachably connected among the hollow aluminum alloy sections (2); the heat insulation filling layer (4) is filled between the hollow aluminum alloy profiles (2), and the heat insulation filling layer (4) is positioned between the adjacent heat insulation strips (3).
2. The broken bridge type composite heat-insulating wall body of claim 1, wherein: the hollow aluminum alloy section (2) comprises a main rectangular frame section (21), an auxiliary rectangular frame section (22) and a connecting beam (23); one end of the connecting beam (23) is fixedly connected to the auxiliary rectangular frame section (22), and the other end of the connecting beam (23) is fixedly connected to the main rectangular frame section (21); the number of the connecting beams (23) between the adjacent main rectangular frame section bars (21) and the auxiliary rectangular frame section bars (22) is at least two; the auxiliary rectangular frame section bars (22) are respectively and fixedly connected to the upper surface and the lower surface of the main rectangular frame section bar (21) through connecting beams (23); the heat insulation strips (3) comprise first plastic heat insulation strips (31) and second plastic heat insulation strips (32), and the first plastic heat insulation strips (31) are detachably connected between the auxiliary rectangular frame body profiles (22) of the adjacent hollow aluminum alloy profiles (2); the second plastic heat insulation strip (32) is detachably connected between the main rectangular frame body sections (21) of the adjacent hollow aluminum alloy sections (2); the heat insulation filling layer (4) is filled between the hollow aluminum alloy profiles (2), and the heat insulation filling layer (4) is positioned between the first plastic heat insulation strips (31) and the second plastic heat insulation strips (32).
3. The broken bridge type composite heat-insulating wall body of claim 2, wherein: the main rectangular frame body section bar (21) is filled with a polyurethane heat-insulation section bar block (20).
4. The broken bridge type composite heat-insulating wall body of claim 2, wherein: the side wall of the auxiliary rectangular frame section bar (22) is integrally extruded and molded with a first connecting strip (221) along the length direction of the auxiliary rectangular frame section bar (22)); the first connecting bar (221) is integrally formed with a first clamping groove (222); a first matching and connecting strip (311) is integrally formed at the two ends of the first plastic heat insulation strip (31); the first adapting strip (311) is clamped in the first clamping groove (222) of the first connecting strip (221).
5. The broken bridge type composite heat-insulating wall body of claim 2, wherein: the side wall of the main rectangular frame section (21) is integrally extruded and molded with a second connecting strip (211) along the length direction of the main rectangular frame section (21); a second clamping groove (212) is integrally formed on the second connecting strip (211); a second matching strip (321) is integrally formed at two ends of the second plastic heat insulation strip (32); the second adapting strip (321) is clamped in the second clamping groove (212) of the second connecting strip (211).
6. The broken bridge type composite heat-insulating wall body of claim 5, wherein: the number of the second connecting strips (211) is at least two; an insulating cavity (200) is formed between the adjacent second plastic insulating strips (32).
7. The broken bridge type composite thermal insulation wall body according to claim 4, characterized in that: the surface of the auxiliary rectangular frame section bar (22) back to the main rectangular frame section bar (21) is integrally formed with a third connecting strip (223) along the length direction of the auxiliary rectangular frame section bar (22); a third clamping groove (224) is integrally formed on the third connecting strip (223); the lower surface of the surface sealing cover (13) is integrally formed with a third matching strip (131) along the length direction of the surface sealing cover (13); the third adapting strip (131) is clamped in a third clamping groove (224) of the third connecting strip (223).
8. The broken bridge type composite heat-insulating wall body of claim 7, wherein: a fourth matching and connecting strip (132) is integrally formed on the lower surface of the surface sealing cover (13) along the length direction of the surface sealing cover (13); a fourth connecting strip (312) is integrally formed on the upper surface of the first plastic heat insulation strip (31) along the length direction of the first plastic heat insulation strip (31); a fourth clamping groove (313) is integrally formed on the fourth connecting strip (312); the fourth adapting strip (132) is clamped in a fourth clamping groove (313) of the fourth connecting strip (312).
9. The broken bridge type composite heat-insulating wall body of claim 2, wherein: the side end sealing piece (12) is integrally formed with a first insert (121) and a second insert (122); the first embedded block (121) can be embedded in the main rectangular frame body section bar (21); the second embedded block (122) can be embedded in the auxiliary rectangular frame body section bar (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171360.6U CN215630872U (en) | 2021-09-08 | 2021-09-08 | Bridge cut-off formula composite insulation wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171360.6U CN215630872U (en) | 2021-09-08 | 2021-09-08 | Bridge cut-off formula composite insulation wall |
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| Publication Number | Publication Date |
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| CN215630872U true CN215630872U (en) | 2022-01-25 |
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| CN202122171360.6U Active CN215630872U (en) | 2021-09-08 | 2021-09-08 | Bridge cut-off formula composite insulation wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027229A (en) * | 2023-09-06 | 2023-11-10 | 中建八局建筑科技(山东)有限公司 | Novel metal composite facing assembled partition wall mounting mode |
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2021
- 2021-09-08 CN CN202122171360.6U patent/CN215630872U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027229A (en) * | 2023-09-06 | 2023-11-10 | 中建八局建筑科技(山东)有限公司 | Novel metal composite facing assembled partition wall mounting mode |
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