CN207260414U - Prefabricated composite wall - Google PatentsPrefabricated composite wall Download PDF
- Publication number
- CN207260414U CN207260414U CN201720795503.1U CN201720795503U CN207260414U CN 207260414 U CN207260414 U CN 207260414U CN 201720795503 U CN201720795503 U CN 201720795503U CN 207260414 U CN207260414 U CN 207260414U
- Prior art keywords
- bound edge
- insulating layer
- prefabricated composite
- main connector
- 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.)
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000005336 cracking Methods 0.000 claims abstract description 20
- 210000003205 Muscles Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003628 erosive Effects 0.000 abstract description 3
- 230000001681 protective Effects 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006011 modification reaction Methods 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000002708 enhancing Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000001186 cumulative Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000789 fastener Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000452 restraining Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
The utility model provides a kind of prefabricated composite wall, including interior impeller, outer impeller and the insulating layer between interior impeller and outer impeller, the side of the insulating layer are equipped with side bound edge；The both ends of the side bound edge are affixed with interior impeller and outer impeller respectively；And the side bound edge is equipped with cracking guide slit with the junction of interior impeller or/and outer impeller.Prefabricated composite wall in the utility model, the side of its insulating layer is equipped with side bound edge, and effective protective action is played to insulating layer using side bound edge, avoids insulating layer by rain erosion, fire melting etc., insulating layer useful life longevity is improved, and then ensures that the service life of this prefabricated composite wall is longer.Meanwhile the guide slit that cracks in the utility model can ensure connectivity robustness, the stability higher of side bound edge and inside and outside impeller and outer impeller, the situation of Joint failure is avoided the occurrence of.
A kind of wall body structure is the utility model is related to, more particularly to a kind of prefabricated composite wall.
Urbanization Process In China quickly propels so that housing demand rapid growth, and have stimulated the quick of housing industry Development.How house construction speed and construction quality can be accelerated, be the urgent problem to be solved that we face.Work Industryization building exploitation is exactly a feasible solution method.Industrialized building exploitation refers to first by plant produced precast concrete structure Part, then assembled at the construction field (site).Such a mode of construction can greatly reduce field operation amount, shorten site operation week Phase simultaneously can effectively control construction quality, reduce noise, environmental protection.The assembled architecture for meeting Times ' Demand has also obtained The extensive cognition of society, meanwhile, precast concrete sandwich heat preservation external wall system is exactly a kind of industry for adapting to above-mentioned growth requirement Change building products.
At present, it is domestic to have developed a variety of light composite wallboards.Answered as patent No. ZL01128617.2 discloses a kind of lightweight Core wall core plate, the steel wire being welded into by outrigger steel wire, light-weight filler form, and light-weight filler is made of some core bars, and core bar is Prefabricated wired core bar, it is that the cementing strip formed is overall in prefabrication process by wired and light material, the folder that core bar bonds Silk is extended with exposed junction in the both sides of the superposed surfaces of core bar, after some wired core bars overlappings, passes through the wired of every wired core bar Exposed junction and outrigger steel wire weld form overall core plate.The lightweight checks wall core plate, is also needed to when being used as exterior wall big The live plastering construction of amount, integral strength are relatively low, it is impossible to load-bearing；And it is difficult in its surface furring brick or stone material etc.；In addition, it is protected Temperature, heat insulation are also poor.
Meanwhile patent No. ZL93235378.9 discloses a kind of light composite wall board, by steel wire net rack, filler and cement Sand finish is formed, and steel wire net rack is the cuboid rack being welded into by cold group of steel wire, its cuboid surrounding side is vertical bar shaped steel Silk, plane of structure are waved wire, and wave crest stretches out rack side, are light filler in cuboid rack, cuboid rack both sides Face has sand finish.The light composite wall board, the above problem is equally existed when being used as exterior wall.
Patent No. ZL92221294.5 discloses a kind of steel screen hollow foam composite plate, including two planar steel wire screen cement Plate, and diagonal bar is installed between middle polystyrene hollow sheeting, two planar steel wire screens, and polystyrene hollow sheeting is empty The heart.The steel screen hollow foam composite plate, by adding polystyrene hollow sheeting between two planar steel wire screens, effectively increases Its heat-insulated, soundproof effect；But it still suffers from the above problem when being used as exterior wall.And above-mentioned steel screen hollow of the prior art Foam composite board, also exist causes exterior wall easily to produce because of the inconsistent and story to story deformation of temperature stress deformation between multi-layer board splits Seam, and then cause the problem of its water proofing property is poor, service life of insulating layer is shorter.In addition, pass through between its two planar steel wire screens Diagonal bar connects, and such a type of attachment is more single, and bonding strength is relatively low, need to be set between two planar steel wire screens substantial amounts of oblique Muscle could meet bonding strength requirement.
Therefore, develop a kind of energy-efficient, reliable in quality and can meet the prefabricated composite wall of a variety of occasion requirements Body is the demand of era development.
Utility model content
In view of the foregoing deficiencies of prior art, the technical problems to be solved in the utility model is to provide a kind of use The prefabricated composite wall lasted a long time.
To achieve the above object, the utility model provides a kind of prefabricated composite wall, including interior impeller, outer impeller, with And the insulating layer between interior impeller and outer impeller, the side of the insulating layer are equipped with side bound edge.
Further, the both ends of the side bound edge are affixed with interior impeller and outer impeller respectively；And the side bound edge and internal lobe The junction of plate or/and outer impeller is equipped with cracking guide slit.
Further, it is described cracking guide slit gap by cracking guide slit bottom to crack guide slit openend by It is cumulative big.
Further, the section of the cracking guide slit is trapezoidal.
Further, it is filled with fluid sealant in the cracking guide slit.
Further, the left and right sides of the insulating layer are equipped with side bound edge；And the top of the insulating layer is equipped with upper Bound edge.
Further, the interior impeller is affixed by main connector and outer impeller, and the main connector includes two difference The first affixed dowel and the second dowel being connected between two first dowels with interior impeller and outer impeller.
Further, the main connector has multiple；The main connector have upper main connector above and Underlying lower main connector, the first dowel of the upper main connector extend in left-right direction, the lower main connector The first dowel it is vertically extending.
Further, the upper main connector has 1, and the lower main connector has two and is located at upper main connection respectively The left and right sides of part.
Further, there are multiple tie points between second dowel and every first dowel.
As described above, the prefabricated composite wall that the utility model is related to, has the advantages that：
Prefabricated composite wall in the utility model, the side of its insulating layer are equipped with side bound edge, using side bound edge to insulation Layer play effective protective action, avoid insulating layer by rain erosion, fire melt etc., improve insulating layer useful life longevity, and then Ensure that the service life of this prefabricated composite wall is longer.
Brief description of the drawings
Fig. 1 is the structure diagram of prefabricated composite wall in the utility model.
Fig. 2 is the left view of prefabricated composite wall in the utility model.
Fig. 3 is the right view of prefabricated composite wall in the utility model.
Fig. 4 is the bottom view of prefabricated composite wall in the utility model.
Fig. 5 is the top view of prefabricated composite wall in the utility model.
Fig. 6 is the attachment structure schematic diagram of the utility model China and foreign countries impeller and main connector and connection assist.
Fig. 7 is the attachment structure schematic diagram of interior impeller and main connector in the utility model.
Fig. 8 is the attachment structure schematic diagram of main connector and interior impeller and outer impeller in the utility model.
Fig. 9 is A-A sectional views in Fig. 1.
Figure 10 is B-B sectional views in Fig. 1.
Figure 11 is C-C sectional views in Fig. 1.
Figure 12 is D-D sectional views in Fig. 1.
Figure 13 is the structure diagram of side bound edge in the utility model.
Figure 14 is the structure diagram of main connector in the utility model.
Figure 15 is E-E sectional views in Figure 14.
Figure 16 is the structure diagram of connection assist in the utility model.
Component label instructions
Impeller in 1
2 outer impeller
3 insulating layers
4 side bound edges
41 cracking guide slits
411 fluid sealants
Bound edge on 5
6 main connectors
61 first dowels
62 second dowels
Main connector on 63
Main connector under 64
65 tie points
7 connection assists
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size depicted in this specification attached drawing etc., only coordinating specification revealed Content, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the utility model, therefore Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, are not influencing this practicality Under new the effect of can be generated and the purpose that can reach, should all still it fall in the revealed technology contents institute energy of the utility model In the range of covering.Meanwhile cited such as " on ", " under ", "left", "right", " centre " and " one " term in this specification, It is merely convenient to narration to understand, and is not used to limit the enforceable scope of the utility model, its relativeness is altered or modified, In the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
The utility model embodiment：As shown in figure 8, the above-below direction of paper defined above-below direction, and by a left side for paper Right direction is defined as left and right directions；As shown in figure 3, the left and right directions of paper is defined as inward-outward direction.
As shown in Fig. 1 to Figure 16, the utility model provides a kind of prefabricated composite wall, including interior impeller 1, outer impeller 2, And the insulating layer 3 between interior impeller 1 and outer impeller 2, the side of insulating layer 3 are equipped with side bound edge 4.It is pre- in the utility model Compound wall processed, the side of its insulating layer 3 are equipped with side bound edge 4, effective protective action are played to insulating layer 3 using side bound edge 4, Insulating layer 3 is avoided by rain erosion, fire melting etc., raising 3 useful life longevity of insulating layer, and then ensures this prefabricated composite wall The service life of body is longer.
The first embodiment
As shown in Fig. 2 to Fig. 4 and Figure 11 to Figure 13, in the present embodiment the inside and outside both ends of side bound edge 4 respectively with interior impeller 1 It is affixed with outer impeller 2, using side bound edge 4 and the connection function of interior impeller 1 and outer impeller 2, ensure that side bound edge 4 can be wrapped up stably In the side of insulating layer 3.Simultaneously as interior impeller 1 and 2 unbalance stress of outer impeller and between the two the temperature difference strain also differ Cause so that can produce certain stress between interior impeller 1 and side bound edge 4 and between outer impeller 2 and side bound edge 4, the stress It can cause to produce Incoordinate deformation between interior impeller 1 and side bound edge 4 and between outer impeller 2 and side bound edge 4, so that in influencing Connectivity robustness between impeller 1 and side bound edge 4 and between outer impeller 2 and side bound edge 4, results even in interior impeller 1 and side Joint failure between bound edge 4 and between outer impeller 2 and side bound edge 4, that is, produce fracture.And above-mentioned stress side bound edge 4 with it is interior The junction of impeller 1 and side bound edge 4 and the junction of outer impeller 2 are concentrated the most.For this reason, in the present embodiment side bound edge 4 with it is interior The junction of impeller 1 is equipped with cracking guide slit 41.In this way, above-mentioned stress will act on the cracking guide slit 41, and make the cracking Guide slit 41 produces certain regular deformation, i.e., the cracking guide slit 41 plays the above-mentioned stress of guiding and produces corresponding regularity Deformation, to avoid there is uncoordinated deformation, so as to ensure side bound edge 4 and the connectivity robustness of inside and outside impeller 2 and outer impeller 2, steady Qualitative higher, avoids the occurrence of the situation of Joint failure.And then also ensure the self-strength of prefabricated composite wall in the present embodiment Higher, service life are longer.
As shown in figure 13, the gap for the guide slit 41 that cracks in the present embodiment is guided by the bottom of cracking guide slit 41 to cracking The openend of seam 41 gradually increases；Such a structure is easier to guide above-mentioned stress to produce regularity at the cracking guide slit 41 Deformation.Meanwhile the section for the guide slit 41 that cracks as shown in figure 13, in the present embodiment is trapezoidal.
As shown in figure 13, prefabricated composite wall before dispatching from the factory, need to fill close in the guide slit 41 that cracks in the present embodiment Sealing 411, cracking guide slit 41 is sealed up, and is further enhanced using the fluid sealant 411 between side bound edge 4 and outer impeller 2 Bonding strength.Meanwhile fluid sealant 411 uses weather-resistant glue in the present embodiment.
As shown in Fig. 9 to Figure 13, the left and right sides of insulating layer 3 are equipped with side bound edge 4 in the present embodiment；And insulating layer 3 Top be equipped with upper bound edge 5.The present embodiment carries out insulating layer 3 processing of three banding sides, so as to effectively avoid the upper of insulating layer 3 End and the left and right sides are destroyed be subject to external environment condition.Meanwhile the lower end of insulating layer 3 does not carry out edge sealing processing in the present embodiment, So that the lower end of insulating layer 3 is in Open architecture, release is played because 2 unbalance stress of interior impeller 1 and outer impeller, temperature difference strain differ Incoordinate deformation caused by cause.The lower end of insulating layer 3 is flushed with the lower end of interior impeller 1 and outer impeller 2 in the present embodiment.Separately Outside, as shown in Figure 8 and Figure 9,3 plate-like structure of insulating layer in the present embodiment.In the present embodiment interior impeller 1 and outer impeller 2 by Concreting forms.Side bound edge 4 and upper bound edge 5 in the present embodiment are also formed by concreting.Meanwhile such as Fig. 9 and figure Shown in 11, side bound edge 4 pours into a single integrated structure with interior impeller 1 and outer impeller 2 in the present embodiment；And upper bound edge 5 is poured with outer impeller 2 Build up integrative-structure.And above the thickness of bound edge 5 and side bound edge 4 is identical with the thickness of outer impeller 2 in the present embodiment.
As shown in Fig. 6 to Figure 12 and Figure 14 and Figure 15, interior impeller 1 passes through main connector 6 and outer impeller 2 in the present embodiment It is affixed, and main connector 6 includes two and first dowel 61 affixed with interior impeller 1 and outer impeller 2 and is connected to two respectively The second dowel 62 between the first dowel of root 61, the second dowel 62 and two first dowels 61 are affixed.This implementation Bonding strength in example using main connector 6 effectively in enhancing between impeller 1 and outer impeller 2, ensures this prefabricated composite wall Self-strength higher.
As shown in Fig. 6 to Figure 12, there is multiple main connector 6, in the present embodiment between impeller in enhancing 1 and outer impeller 2 Bonding strength.Meanwhile main connector 6 has upper main connector 63 above and underlying lower main connector 64, Wherein, the first dowel 61 of upper main connector 63 extends in left-right direction, and 61 edge of the first dowel of lower main connector 64 Above-below direction extends, i.e., itself heeling condition of upper main connector 63 and lower main connector 64 is inconsistent, so that all main Deformational stress suffered by connector 6 is inconsistent, and makes main connector 63 can be mutual with the deformational stress suffered by lower main connector 64 Offset, ensure not producing mutual restraining force between all main connectors 6, and main connector 6 can also play and bear and transmit siphonal lobe The function of 2 load of plate；So as to ensure that the deformational stress of generation inside this prefabricated composite wall is smaller, this prefabricated composite is avoided Wall produces deformation, and ensures the intensity higher of its own, and service life is longer.Main connector 6 in the utility model both rose The effect of impeller 1 and outer impeller 2 in drawknot, and play the role of making 2 cooperative bearing of interior impeller 1 and outer impeller.
As shown in Fig. 6 to Figure 12, the first dowel 61 of upper main connector 63 specifically prolongs in the horizontal direction in the present embodiment Stretch, i.e., upper main connector 63 is in traverse state；And the first dowel 61 of lower main connector 64 specifically vertically extends, Main connector 64 is in and places state vertically under i.e..In addition, the material of the present embodiment the first dowel 61 and the second dowel 62 is Stainless steel.
As shown in Figure 6 to 8, upper main connector 63 has 1 in the present embodiment, and lower main connector 64 has two and difference Positioned at the left and right sides of upper main connector 63.3 main 6 distributions triangular in shape of connector in the present embodiment, such a 3 points of distributions shape Formula, can effectively strengthen the bonding strength between interior impeller 1 and outer impeller 2, and simplify connection structure, make this prefabricated composite wall Body overall structure is simple, processing cost is relatively low.
As shown in figure 14, the second dowel 62 and every first dowel 61 in the present embodiment in each main connector 6 Between there are multiple tie points 65, to ensure the main connector 6 bonding strength higher of itself.Meanwhile second in the present embodiment Dowel 62 is in wavy, and the wave crest of the second dowel 62 and trough are welded with two first dowels 61 respectively.In addition, this Two first dowels 61 in embodiment in each main connector 6 are located in interior impeller 1 and outer impeller 2 respectively, and second connects Connect muscle 62 and pass through insulating layer 3.
As shown in fig. 6, interior impeller 1 and outer impeller 2 are also affixed by multiple connection assists 7 in the present embodiment.Auxiliary connects Fitting 7 is threaded through in interior impeller 1, insulating layer 3 and outer impeller 2 at the same time, is connected so as to fulfill interior impeller 1 and the fixed of outer impeller 2 Connect.And as shown in figure 16, it is in criss-cross groove 71 that the end of connection assist 7, which has,.With stainless steel fastener in the present embodiment Or fibre reinforced composites plug-in unit is as connection assist 7, and connection assist 7 is according to prefabricated composite wall load stress Situation designs its point-like and is evenly distributed with state.
Second of embodiment
For the present embodiment on the basis of the first above-mentioned embodiment, its guide slit 41 that cracks is located at side bound edge 4 and outer impeller 2 Junction.
The third embodiment
The present embodiment is on the basis of the first above-mentioned embodiment, the junction and side of its side bound edge 4 and interior impeller 1 The junction of bound edge 4 and outer impeller 2 is equipped with cracking guide slit 41.
Prefabricated composite wall can apply in various structural systems in the utility model, be particularly suitable for facing decoration with The Exterior Wall Components of the integrated industrialized house of energy-saving heat preserving and public building, and supporting member or nonload bearing element can be used as. When it is used for shear wall structure load-bearing exterior wall, with straight screw sleeve connection longitudinal reinforcement, primary structure member can be used as to participate in main body knot Structure stress.
The utility model prefabricated composite wall, has the following advantages：
1st, its exterior finish can pre- furring brick, stone material, also sprayable all kinds of exterior coatings, or made with clear-water concrete various Style texture；
2nd, the sandwich structure design for setting insulating layer 3 meets national building energy conservation environmental requirement, and built-in heat insulation layer 33 Way can effectively avoid insulating layer 3 from being corroded by external climate, improve useful life longevity；
3rd, its interior impeller 1 is still reinforced concrete structure, to interior decoration technique without specifically limited, can meet that assembled is built Build the integrated requirement of fine fitment；
4th, its degree of plainness for wall surface is high, levelling without mortar plastering again, saves material and manually, and wall is existing without shelling As；
5th, the stainless steel wave overlapping muscle being respectively arranged between interior impeller 1 and outer impeller 2 using transverse and longitudinal is as main connection Part, not only strengthens prefabricated composite wall rigidity itself, also greatly improves the reliability connected between interior impeller 1 and outer impeller 2；
6th, the prefabricated composite wall appearance and size can be processed according to being actually needed；
If window opening wallboard the 7, need to be installed in the prefabricated composite wall, window frame can integration be embedded in wall so as to prevent Seep water phenomenon around window frame；
8th, the prefabricated composite wall compactness is high, effectively solves wall body slit infiltration phenomenon.
In conclusion the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
- A kind of 1. prefabricated composite wall, it is characterised in that：Including interior impeller（1）, outer impeller（2）And positioned at interior impeller（1） With outer impeller（2）Between insulating layer（3）, the insulating layer（3）Side be equipped with side bound edge（4）；The side bound edge（4）Two End respectively with interior impeller（1）With outer impeller（2）It is affixed；And the side bound edge（4）With interior impeller（1）Or/and outer impeller（2）Company Meet place and be equipped with cracking guide slit（41）.
- 2. prefabricated composite wall according to claim 1, it is characterised in that：The cracking guide slit（41）Gap by opening Split guide slit（41）Bottom to the guide slit that cracks（41）Openend gradually increase.
- 3. prefabricated composite wall according to claim 2, it is characterised in that：The cracking guide slit（41）Section in ladder Shape.
- 4. prefabricated composite wall according to claim 1, it is characterised in that：The cracking guide slit（41）In filled with close Sealing（411）.
- 5. prefabricated composite wall according to claim 1, it is characterised in that：The insulating layer（3）Left and right sides it is equal Equipped with side bound edge（4）；And the insulating layer（3）Top be equipped with upper bound edge（5）.
- 6. prefabricated composite wall according to claim 1, it is characterised in that：The interior impeller（1）Pass through main connector（6） With outer impeller（2）It is affixed, the main connector（6）Including two respectively with interior impeller（1）With outer impeller（2）Affixed first connects Connect muscle（61）And it is connected to two first dowels（61）Between the second dowel（62）.
- 7. prefabricated composite wall according to claim 6, it is characterised in that：The main connector（6）Have multiple；The master Connector（6）With upper main connector above（63）And underlying lower main connector（64）, the upper main company Fitting（63）The first dowel（61）Extend in left-right direction, the lower main connector（64）The first dowel（61）Along upper Lower direction extension.
- 8. prefabricated composite wall according to claim 7, it is characterised in that：The upper main connector（63）There is 1, it is described Lower main connector（64）There are two and be located at upper main connector respectively（63）The left and right sides.
- 9. prefabricated composite wall according to claim 6, it is characterised in that：Second dowel（62）With every first Dowel（61）Between there are multiple tie points（65）.
Priority Applications (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201720795503.1U CN207260414U (en)||2017-07-03||2017-07-03||Prefabricated composite wall|
Applications Claiming Priority (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201720795503.1U CN207260414U (en)||2017-07-03||2017-07-03||Prefabricated composite wall|
|Publication Number||Publication Date|
|CN207260414U true CN207260414U (en)||2018-04-20|
Family Applications (1)
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|CN201720795503.1U Active CN207260414U (en)||2017-07-03||2017-07-03||Prefabricated composite wall|
Country Status (1)
|CN (1)||CN207260414U (en)|
- 2017-07-03 CN CN201720795503.1U patent/CN207260414U/en active Active
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