CN219840287U - Waterproof deformation joint structure of roofing - Google Patents
Waterproof deformation joint structure of roofing Download PDFInfo
- Publication number
- CN219840287U CN219840287U CN202321268480.0U CN202321268480U CN219840287U CN 219840287 U CN219840287 U CN 219840287U CN 202321268480 U CN202321268480 U CN 202321268480U CN 219840287 U CN219840287 U CN 219840287U
- Authority
- CN
- China
- Prior art keywords
- deformation joint
- iron sheet
- waterproof
- foam
- roof
- 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.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000006260 foam Substances 0.000 claims abstract description 62
- 229910052742 iron Inorganic materials 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 55
- 238000004078 waterproofing Methods 0.000 claims abstract description 18
- 239000003822 epoxy resin Substances 0.000 claims description 20
- 229920000647 polyepoxide Polymers 0.000 claims description 20
- 239000012790 adhesive layer Substances 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 16
- 238000005253 cladding Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 19
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 239000010426 asphalt Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model discloses a roof waterproof deformation joint structure, which belongs to the technical field of roof waterproofing, and comprises a foam rod arranged in a deformation joint, wherein the foam rod protrudes outwards from the inside of the deformation joint, the foam rod is connected with a roof through an iron sheet support, a first waterproof coiled material is arranged between the upper surface of the iron sheet support and the lower surface of the foam rod, the first waterproof coiled material spans across the deformation joint and is coated on the lower surface of the foam rod, a second waterproof coiled material is arranged on the upper side of the iron sheet support, and the second waterproof coiled material spans across the deformation joint and is coated on the upper surface of the foam rod. The waterproof coiled material layer has the function of prolonging the service life of the waterproof coiled material layer.
Description
Technical Field
The utility model relates to the technical field of roof waterproofing, in particular to a roof waterproof deformation joint structure.
Background
In order to prevent the building from being deformed due to the influence of external environment in the use process, a deformation joint is required to be arranged at a position where the building is easy to damage, the existence of the deformation joint can prevent the building structure from being broken due to temperature deformation or natural sedimentation, at present, a traditional construction method of the roof waterproof deformation joint is to normally arrange a water stop back ridge at the deformation joint and lay a waterproof coiled material at the back ridge;
the Chinese patent with publication number of CN211396024U discloses a waterproof structure of a roof deformation joint, which comprises a first concrete back ridge and a second concrete back ridge which are respectively arranged at two sides of the deformation joint; the top surface of the first concrete back sill is covered with a first epoxy mortar layer, and the top surface of the second concrete back sill is covered with a second epoxy mortar layer; the top end opening of the deformation joint is sealed by a PVC waterproof coiled material layer, the PVC waterproof coiled material layer is formed by overlapping flame-retardant PVC waterproof coiled materials paved along the extending direction of the deformation joint, and two sides of the PVC waterproof coiled material layer are respectively covered on the first epoxy mortar layer and the second epoxy mortar layer; the two sides of the PVC waterproof coiled material layer are respectively covered with a first polyurethane waterproof coating layer and a second polyurethane waterproof coating layer; the first polyurethane waterproof coating layer is also covered with a first self-adhesive waterproof coiled material, the second polyurethane waterproof coating layer is also covered with a second self-adhesive waterproof coiled material, and the problem that the flame-retardant PVC waterproof coiled material is not firmly directly bonded with concrete can be solved by the scheme.
However, the PVC waterproof coiled material is in a state of collapsing and suspending in the deformation joint, when the waterproof coiled material layer in the deformation joint is subjected to scouring and impacting of rainwater for a long time, the upper surface of the waterproof coiled material layer in the deformation joint can accumulate water, so that the collapse degree of the waterproof coiled material layer can be more serious until the waterproof coiled material layer can be broken, and the service life of the waterproof coiled material layer is greatly shortened.
Disclosure of Invention
The utility model provides a roof waterproof deformation joint structure which has the function of prolonging the service life of a waterproof coiled material layer.
The utility model provides a roof waterproof deformation joint structure, which adopts the following technical scheme:
the utility model provides a waterproof movement joint structure of roofing, includes the foam stick of locating in the movement joint, the foam stick evagination is in the inside of movement joint, be connected through the iron sheet support between foam stick and the roofing, be equipped with first waterproofing membrane between the upper surface of iron sheet support and the lower surface of foam stick, first waterproofing membrane spanes the movement joint and cladding at the lower surface of foam stick, the upside that the iron sheet supported is equipped with the second waterproofing membrane, and the second waterproofing membrane spanes the movement joint and cladding is at the upper surface of foam stick.
Through adopting above-mentioned technical scheme, through the inside packing at the movement joint has the foam stick, the foam stick compares other materials with the volume, the quality is lighter, can effectually reduce the bearing load to the movement joint, and the ductility is good for adapt to the different sizes of movement joint, in addition, fix the foam stick in the movement joint through the iron sheet support, on the one hand can effectually avoid movement joint later deformation, fix the width of movement joint, on the other hand, the wholeness of roofing has been strengthened, foam stick and iron sheet support are filled in the movement joint, make second waterproofing membrane be in the state of upwards arching on the movement joint position, make second waterproofing membrane upper surface difficult ponding, thereby prolonged the life of second waterproofing membrane greatly.
Preferably, a felt is arranged on the upper surface of the second waterproof coiled material.
Through adopting above-mentioned technical scheme, the felt has excellent waterproof performance, can further improve the water-proof effects of roofing after bonding with the second waterproofing membrane, effectively prevents the seepage of rainwater, and in addition, the durability of felt is stronger, can prolong the life of second waterproofing membrane, improves its durability.
Preferably, a downward concave part is formed in the middle of the iron sheet support, and the outer wall of the concave part abuts against the deformation joint.
Through adopting above-mentioned technical scheme, the material that the iron sheet held in the palm is hard, utilizes the depressed part that the iron sheet held in the palm middle part formed, makes the iron sheet hold in the palm when the installation, and the outer wall of depressed part offsets with the deformation joint, makes the iron sheet hold in the palm the card in the deformation joint, can effectually resist the load on the horizontal direction to avoid the iron sheet to hold in the palm to break away from the inside of deformation joint.
Preferably, the longitudinal section size of the concave part is matched with the longitudinal section size of the foam rod, and a clamping piece for fixing the foam rod is arranged in the concave part.
Through adopting above-mentioned technical scheme, the depressed part is used for forming the side direction at the lower surface of foam stick and blocks to utilize the fastener, fix the foam stick on the iron sheet holds in the palm, conveniently install the foam stick fast.
Preferably, the two ends of the iron sheet support form a straight part, and the lower surface of the straight part is contacted with the upper surface of the roof.
Through adopting above-mentioned technical scheme, through setting up straight portion at the both ends that the iron sheet held in the palm, when the installation iron sheet held in the palm, straight portion closely laminates on the roofing, and the person of facilitating the use installs fast.
Preferably, an epoxy resin adhesive layer is arranged between the lower surface of the straight part and the upper surface of the roof.
By adopting the technical scheme, the epoxy resin adhesive layer is arranged between the straight part and the roof, and the adhesive strength of the epoxy resin adhesive layer is very high, so that the adhesive part between the straight part and the roof is firmer and can bear larger stretching and shearing force; the epoxy resin adhesive layer has good corrosion resistance, can bear the corrosion of chemical substances such as acid, alkali and the like, and is not easy to generate corrosion phenomenon after long-term use.
Preferably, a grid sheet is arranged between the epoxy resin adhesive layer and the straight part.
By adopting the technical scheme, the grids on the surfaces of the grid sheets can be effectively filled before the epoxy resin adhesive layer is cured, so that the filling performance is realized, the bonding strength between the straight part and the roof is enhanced, and larger stretching and shearing forces can be borne.
Preferably, the upper surface of the grid sheet is provided with a plurality of fillets, and the lower surface of the straight part is provided with clamping grooves matched with the fillets.
By adopting the technical scheme, the fillets are positioned in the clamping grooves and used for enhancing the stability between the grid plates and the straight parts.
In summary, the utility model has the following beneficial effects:
1. through the inside packing at the movement joint has the foam stick, the foam stick compares other materials with the volume, the quality is lighter, can effectually reduce the bearing load to the movement joint, and the ductility is good for adapt to the not unidimensional of movement joint, in addition, fix the foam stick in the movement joint through the iron sheet support, on the one hand can effectually avoid the movement joint later deformation, fix the width of movement joint, on the other hand, the wholeness of roofing has been strengthened, through filling foam stick and iron sheet support in the movement joint, make second waterproofing membrane be in the arch state that makes progress on the movement joint position, make second waterproofing membrane upper surface difficult ponding, thereby prolonged second waterproofing membrane's life greatly.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a roof waterproof deformation joint structure in the embodiment;
FIG. 2 is a schematic view showing the overall structure of the iron sheet holder according to the present embodiment;
fig. 3 is an exploded view of the components of the waterproof deformation joint structure of the roof in this embodiment.
Reference numerals illustrate: 1. a foam rod; 2. an iron sheet support; 3. a first waterproof coiled material; 4. a second waterproof coiled material; 5. a linoleum; 6. a recessed portion; 7. a clamping piece; 701. a flexible clip strip; 702. a notch; 8. a straight portion; 9. an epoxy resin adhesive layer; 10. grid pieces; 11. fillets; 12. a clamping groove.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the utility model only and is not to be construed as limiting the scope of the utility model, as various insubstantial modifications and adaptations of the utility model to those skilled in the art can be made in light of the foregoing disclosure.
Examples: the utility model discloses a roof waterproof deformation joint structure, as shown in figure 1, which comprises a foam rod 1 arranged in a deformation joint, wherein the foam rod 1 protrudes outwards from the inside of the deformation joint, the foam rod 1 is made of foam, so that gaps of the deformation joint can be effectively filled, tightness and waterproofness of a roof are increased, in addition, the roof waterproof deformation joint structure has good expansion performance, can freely expand and contract when temperature and humidity of a building change, the water leakage phenomenon of the building caused by the cracking of the deformation joint is avoided, and the foam has certain heat insulation performance, can effectively prevent the loss of cold air or hot air when filled in the deformation joint, has lighter mass compared with other materials with the same volume, is a light material, can effectively reduce the bearing load of the deformation joint, is convenient to use, does not need professional skills, and can rapidly fill the deformation joint; the foam rod 1 is connected with a roof through the iron sheet support 2, the foam rod 1 is fixed in a deformation joint through the iron sheet support 2, on one hand, the later deformation of the deformation joint can be effectively avoided, the width of the deformation joint is fixed, on the other hand, the integrity of the roof is enhanced, a first waterproof roll 3 is arranged between the upper surface of the iron sheet support 2 and the lower surface of the foam rod 1, the first waterproof roll 3 spans the deformation joint and is coated on the lower surface of the foam rod 1, a second waterproof roll 4 is arranged on the upper side of the iron sheet support 2, and the second waterproof roll 4 spans the deformation joint and is coated on the upper surface of the foam rod 1, and the first waterproof roll 3 and the second waterproof roll 4 are used for coating the foam rod 1 respectively, so that the gap between the foam rod 1 and the deformation joint can be effectively sealed, the foam rod 1 and the roof form a whole, and a lightweight and high-quality waterproof layer; the upper surface of the second waterproof coiled material 4 is provided with a felt 5; the asphalt felt 5 has excellent waterproof performance, the waterproof effect of the roof can be further improved after the asphalt felt is adhered to the second waterproof coiled material 4, the leakage of rainwater is effectively prevented, in addition, the asphalt felt 5 has stronger durability, the service life of the second waterproof coiled material 4 can be prolonged, and the durability of the asphalt felt is improved; in addition, the asphalt felt 5 can enhance the cracking resistance of the second waterproof coiled material 4, effectively prevent the water leakage problem caused by the tiny cracks of the base layer, enhance the wind resistance of the second waterproof coiled material 4 and prevent the aging and damage problem caused by natural factors such as ultraviolet rays.
Noteworthy are: the SBS waterproof coiled material 3 and the second waterproof coiled material 4 are both made of SBS waterproof coiled materials, the SBS waterproof coiled materials are made of SBS elastomer modified asphalt serving as a base material, good flexibility can be kept at low temperature, the problems of cracking, crazing and the like of coiled materials caused by temperature change are avoided, in addition, in the long-term use process of the SBS waterproof coiled materials, the physical property and the chemical property of the materials are relatively stable, the materials are not easy to age, the excellent properties can be kept for a long time, the service life is prolonged, various modes such as hot melt welding or self-adhesion can be adopted in the construction of the SBS waterproof coiled materials, the construction is simple and convenient, the applicability is wider, the surface of the SBS waterproof coiled materials is provided with a layer of high polymer material with a larger thickness, the SBS waterproof coiled materials have good puncture resistance, and the materials such as nails and stones can be effectively prevented from puncturing a roof.
The surface of the iron sheet support is provided with a galvanized layer, and after the iron sheet support is galvanized, the outer surface of the iron sheet support forms a zinc layer to prevent the iron sheet from being in direct contact with air, thereby effectively preventing the rust of the iron sheet, improving the corrosion resistance and prolonging the service life of the iron sheet.
As shown in fig. 2, a downward semi-cylindrical concave part 6 is formed in the middle of the iron sheet support 2, the outer wall of the concave part 6 abuts against the deformation joint, the iron sheet support 2 is made of hard materials, the iron sheet support 2 is conveniently and rapidly positioned in the deformation joint when being installed by using the concave part 6 formed in the middle of the iron sheet support 2, and the outer wall of the concave part 6 abuts against the deformation joint, so that the iron sheet support 2 is clamped in the deformation joint, and the load in the horizontal direction can be effectively resisted, so that the iron sheet support 2 is prevented from being separated from the inside of the deformation joint; the longitudinal section size of the concave part 6 is matched with the longitudinal section size of the foam rod 1, the concave part 6 is used for forming lateral blocking on the lower surface of the foam rod 1, a clamping piece 7 used for fixing the foam rod 1 is arranged in the concave part 6, the clamping piece 7 comprises two groups of flexible clamping strips 701, the two groups of flexible clamping strips 701 are oppositely arranged, one end of each flexible clamping strip 701 is connected with the iron sheet support 2, a notch 702 is arranged at the position, close to the lower surface, of the other end of each flexible clamping strip 701, of each flexible clamping strip 701 is made of soft silica gel, when the foam rod 1 is installed, the outer surface of the foam rod 1 presses the flexible clamping strips 701 towards the notch 702, the flexible clamping strips 701 deform and abut against the outer surface of the foam rod 1, so that the foam rod 1 is clamped in the concave part 6 and fixed on the iron sheet support 2, and the foam rod 1 is convenient to install quickly;
as shown in fig. 2, two ends of the iron sheet support 2 are provided with straight parts 8, and the lower surfaces of the straight parts 8 are contacted with the upper surface of the roof; through setting up straight portion 8 at the both ends of iron sheet support 2, when installing iron sheet support 2, straight portion 8 is tightly laminated on the roofing, and the convenience of customers installs fast.
As shown in fig. 3, an epoxy resin adhesive layer 9 is arranged between the lower surface of the flat part 8 and the upper surface of the roof; the epoxy resin adhesive layer 9 is arranged between the flat part 8 and the roof, and the adhesive strength of the epoxy resin adhesive layer 9 is high, so that the adhesive part between the flat part 8 and the roof is firmer and can bear larger stretching and shearing force; the epoxy resin adhesive layer 9 has good corrosion resistance, can bear the corrosion of chemical substances such as acid, alkali and the like, and is not easy to generate corrosion phenomenon after long-term use; the epoxy resin adhesive layer 9 has high temperature resistance, can bear the use in a high temperature environment, is not easy to melt or deform, has good water resistance, can bear the use in a humid environment, and is not corroded by moisture; a grid sheet 10 is arranged between the epoxy resin adhesive layer 9 and the straight part 8; before the epoxy resin adhesive layer 9 is not cured, the grids on the surface of the grid sheet 10 can be effectively filled, the filling property is realized, the bonding strength between the flat part 8 and the roof is enhanced, and larger stretching and shearing force can be born; the upper surface of the grid sheet 10 is provided with a plurality of fillets 11, and the lower surface of the straight part 8 is provided with a clamping groove 12 matched with the fillets 11; the fillets 11 are positioned inside the card slots 12 for enhancing the stability between the grid sheet 10 and the flat portions 8.
Working principle: during construction, a user firstly smears uncured epoxy resin on the upper surface of a roof close to a deformation joint, then spreads the grid sheet 10 on the epoxy resin, then takes the iron sheet support 2, aligns the concave part 6 to the deformation joint, installs the iron sheet support 2 towards the deformation joint until the clamping groove 12 on the straight part 8 is propped against the fillets 11, continuously presses the straight part 8, fills the uncured epoxy resin in the grid of the grid sheet 10, and forms a compact epoxy resin adhesive layer 9 between the roof and the iron sheet support 2 after curing, thereby realizing positioning installation of the iron sheet support 2.
Then, paving a first waterproof coiled material 3 on the upper surface of the iron sheet support 2, enabling the first waterproof coiled material 3 to be paved along the upper surface of the iron sheet support 2, aligning the foam rod 1 with the concave part 6, applying pressure to the foam rod 1, enabling the foam rod 1 to be installed in the concave part 6, clamping the foam rod 1 in the concave part 6 through the clamping piece 7, and fixing the foam rod 1 on the iron sheet support 2 so as to facilitate rapid installation of the foam rod 1;
and paving a second waterproof coiled material 4, enabling the second waterproof coiled material 4 to cross the deformation joint and cover the upper surface of the foam rod 1, and finally paving a felt 5 on the upper surface of the second waterproof coiled material 4, thereby realizing construction of a roof waterproof deformation joint structure.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a waterproof movement joint structure of roofing which characterized in that: including locating foam stick (1) in the movement joint, foam stick (1) evagination is in the inside of movement joint, be connected through iron sheet support (2) between foam stick (1) and the roofing, be equipped with first waterproofing membrane (3) between the upper surface of iron sheet support (2) and the lower surface of foam stick (1), first waterproofing membrane (3) span the movement joint and cladding is at the lower surface of foam stick (1), the upside that iron sheet supported (2) is equipped with second waterproofing membrane (4), and second waterproofing membrane (4) span the movement joint and cladding is at the upper surface of foam stick (1).
2. The roofing flashing deformation joint structure according to claim 1, wherein: and a felt (5) is arranged on the upper surface of the second waterproof coiled material (4).
3. The roofing flashing deformation joint structure according to claim 1, wherein: the middle part of the iron sheet support (2) forms a downward concave part (6), and the outer wall of the concave part (6) is propped against the deformation joint.
4. A roof waterproof deformation joint structure according to claim 3, wherein: the longitudinal section size of the concave part (6) is matched with the longitudinal section size of the foam rod (1), and a clamping piece (7) for fixing the foam rod (1) is arranged in the concave part (6).
5. The roofing flashing deformation joint structure according to claim 1, wherein: the two ends of the iron sheet support (2) form a straight part (8), and the lower surface of the straight part (8) is contacted with the upper surface of the roof.
6. The roof waterproof deformation joint structure according to claim 5, wherein: an epoxy resin adhesive layer (9) is arranged between the lower surface of the straight part (8) and the upper surface of the roof.
7. The roofing flashing deformation joint structure according to claim 6, wherein: and a grid sheet (10) is arranged between the epoxy resin adhesive layer (9) and the straight part (8).
8. The roofing flashing deformation joint structure according to claim 7, wherein: the upper surface of the grid sheet (10) is provided with a plurality of fillets (11), and the lower surface of the straight part (8) is provided with clamping grooves (12) matched with the fillets (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321268480.0U CN219840287U (en) | 2023-05-22 | 2023-05-22 | Waterproof deformation joint structure of roofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321268480.0U CN219840287U (en) | 2023-05-22 | 2023-05-22 | Waterproof deformation joint structure of roofing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840287U true CN219840287U (en) | 2023-10-17 |
Family
ID=88300278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321268480.0U Active CN219840287U (en) | 2023-05-22 | 2023-05-22 | Waterproof deformation joint structure of roofing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840287U (en) |
-
2023
- 2023-05-22 CN CN202321268480.0U patent/CN219840287U/en active Active
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