CN206703662U - Tunnel fire proofing decorates protection board - Google Patents
Tunnel fire proofing decorates protection board Download PDFInfo
- Publication number
- CN206703662U CN206703662U CN201720307391.0U CN201720307391U CN206703662U CN 206703662 U CN206703662 U CN 206703662U CN 201720307391 U CN201720307391 U CN 201720307391U CN 206703662 U CN206703662 U CN 206703662U
- Authority
- CN
- China
- Prior art keywords
- layer
- protection board
- protective layer
- binding agent
- polyurethane protective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004079 fireproofing Methods 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 59
- 239000004814 polyurethane Substances 0.000 claims abstract description 23
- 229920002635 polyurethane Polymers 0.000 claims abstract description 23
- 239000011241 protective layer Substances 0.000 claims abstract description 22
- 239000010440 gypsum Substances 0.000 claims abstract description 19
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 230000002708 enhancing effect Effects 0.000 claims abstract description 11
- 238000005034 decoration Methods 0.000 claims abstract description 10
- 239000011819 refractory material Substances 0.000 claims abstract description 8
- 238000007639 printing Methods 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 14
- 239000002861 polymer material Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 6
- 229910052749 magnesium Inorganic materials 0.000 abstract description 6
- 239000011777 magnesium Substances 0.000 abstract description 6
- 229910052736 halogen Inorganic materials 0.000 abstract description 5
- 150000002367 halogens Chemical class 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 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 group 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 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000010455 vermiculite Substances 0.000 description 4
- 229910052902 vermiculite Inorganic materials 0.000 description 4
- 235000019354 vermiculite Nutrition 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 210000003298 dental enamel Anatomy 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010875 treated wood Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000008264 cloud Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ANOBYBYXJXCGBS-UHFFFAOYSA-L stannous fluoride Chemical compound F[Sn]F ANOBYBYXJXCGBS-UHFFFAOYSA-L 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
- Laminated Bodies (AREA)
Abstract
A kind of tunnel fire proofing decoration protection board is the utility model is related to, is included successively from top to bottom：Decorative layer, gypsum separation layer, polyurethane protective layer, sandwich of layers, polyurethane protective layer, gypsum separation layer and decorative layer；Wherein, sandwich of layers includes the enhancing cloth reinforcement of multiple random arrangements, and is filled with refractory material between each enhancing cloth reinforcement；Polyurethane protective layer is bonded by binding agent and sandwich of layers, and gypsum separation layer is bonded by binding agent and polyurethane protective layer, and decorative layer is bonded by binding agent and separation layer；The pattern of decorative layer is formed using the printing of weatherability ink；The periphery of fireproof decorative plate for tunnel is provided with fixture.Tunnel fire proofing decoration protection board of the present utility model effectively reduces disaster hidden-trouble；The energy and resource are effectively saved, effectively prevent glass magnesium fireproof board returns halogen problem；The weight of fire-proof plate is effectively reduced, makes installation more convenient, laborsaving；By the reasonably combined of core and plane materiel, good comprehensive mechanical property is reached.
Description
Technical field
It the utility model is related to building materials field, and in particular to a kind of tunnel fire proofing decorates protection board.
Background technology
In the market conventional fireproof decorative plate for tunnel material mainly have fiber cement board and glass magnesium board, metallic enamel plate,
Composited aluminum and plastic decking, ceramic tile, precoating non-metal board etc..With the development of material technology, requirement of the people to dalle there has also been
Constantly improve, some defects of above-mentioned dalle gradually expose out, for example：Metallic enamel plate is expensive, variable
Shape；There is the defects of inflammable in composited aluminum and plastic decking, glass magnesium board can also produce when easily returning halogen, wherein plastic plate, composited aluminum and plastic decking burning
Pernicious gas, contain a large amount of asbestos in cement fibrolite plate；The security of the lives and property to user brings larger hidden danger；Metallic plate
The production process of material can consume substantial amounts of mineral resources and the energy, and cost is very high, with advocate now energy-saving and emission-reduction the back of the body road and
Speed；Ceramic tile it is ornamental poor, cold and heat succeed each other easily phenomena such as being cracked；Precoating non-metal board has that combination property is preferable, but
In easy fragmentation under external force；The density of metallic enamel plate, fiber cement board, ceramic tile etc. is all higher than 1.5g/cm3, spiral-plate
Material is heavier to construct.
Utility model content
A purpose of the present utility model is to propose that a kind of noninflammability is good, saves resource, ornamental diversified, mechanical property
Tunnel fire proofing that can be good decorates protection board.
A kind of tunnel fire proofing decoration protection board of the present utility model, includes successively from top to bottom：Decorative layer, gypsum isolation
Layer, polyurethane protective layer, sandwich of layers, polyurethane protective layer, gypsum separation layer and decorative layer；Wherein, the sandwich of layers includes more
The enhancing cloth reinforcement of individual random arrangement, and it is filled with refractory material between each enhancing cloth reinforcement；The polyurethane
Overcoat is bonded by binding agent and the sandwich of layers, and the gypsum separation layer is glued by binding agent and the polyurethane protective layer
Knot, the decorative layer are bonded by binding agent and the gypsum separation layer；The pattern of the decorative layer is printed using weatherability ink
Brush forms；The periphery of the fireproof decorative plate for tunnel is provided with fixture.
A kind of tunnel fire proofing decoration protection board flammability of the utility model embodiment has reached A levels, effectively reduces
Disaster hidden-trouble；Metal material is not used, has effectively saved the energy and resource, the halogen that returns that effectively prevent glass magnesium fireproof board is asked
Topic；The weight of fire-proof plate is effectively reduced, makes installation more convenient, laborsaving；Printing technology is employed, makes decorative cover more abundant
It is colorful；By the reasonably combined of core and plane materiel, good comprehensive mechanical property is reached.
In addition, decorating protection board according to a kind of tunnel fire proofing of the utility model above-described embodiment, can also have as follows
Additional technical characteristic：
Further, the material of the decorative layer is flame retardant type high polymer material.
Further, the flame retardant type high polymer material comprises at least fire retardant treated phenolic resin, fire retardant treated
Lauxite, fire retardant treated epoxy resin, fire retardant treated acrylic resin, fire retardant treated polyester resin,
High molecular polymer, fire retardant treated wood skin and fire retardant treated melamine after fire retardant treated polyvinyl chloride solidification
One kind in amine dipping paper.
Further, the enhancing cloth reinforcement comprises at least one in glass fiber reticular cloth reinforcement and non-woven fabrics reinforcement
Kind.
Further, the binding agent is the binding agent by flame retardant treatment.
Further, the refractory material comprise at least expanded vermiculite powder, perlite, nano silicon, magnesia and
One kind in mica powder.
Further, the polyurethane protective layer is honeycomb.
Further, the thickness of the sandwich of layers is 3cm~10cm, the thickness of the polyurethane protective layer for 3mm~
10mm, the thickness of the gypsum separation layer is 1mm~10mm, and the thickness of the decorative layer is 0.1mm~0.5mm.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Fig. 1 is the side structure schematic diagram of tunnel fire proofing decoration protection board of the present utility model；
Fig. 2 is the front view of fireproof decorative plate for tunnel of the present utility model.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
As depicted in figs. 1 and 2, a kind of tunnel fire proofing decoration protection board 100 of the utility model embodiment, from top to bottom
(direction of " on ", " under " as shown by arrows in FIG.) includes successively：Decorative layer 110, gypsum separation layer 120, polyurethane protective layer
130th, sandwich of layers 140, polyurethane protective layer 130, gypsum separation layer 120 and decorative layer 110.
Wherein, the sandwich of layers 140 includes the enhancing cloth reinforcement 131 of multiple random arrangements, and each enhancing cloth
Refractory material is filled between reinforcement 141.The polyurethane protective layer 130 is bonded by binding agent and the sandwich of layers 140,
The gypsum separation layer 120 is bonded by binding agent and the polyurethane protective layer 130, and the decorative layer 110 passes through binding agent
Bonded with the gypsum separation layer 120.The pattern of the decorative layer 110 is formed using the printing of weatherability ink.Prevent in the tunnel
The periphery of fiery decorative panel 100 is provided with fixture 150.
Wherein, sandwich of layers 140 mainly with the addition of refractory material, can play good fire resisting effect.Polyurethane protective layer
130 and gypsum separation layer 120 further function as hydrone in air-isolation and air etc., strengthen the function of halogenation.Dress
Decorative pattern in decorations layer 110 is formed using the printing of weatherability ink, both can has been pure color or various patterns, hindered
Combustion, dicoration are good and various.The fixture 150 that the periphery of fireproof decorative plate for tunnel is set, on the one hand can ensure that tunnel is prevented
The structure of fiery decorative panel is firmer, and on the other hand fireproof decorative plate for tunnel can be played a protective role.
A kind of tunnel fire proofing decoration protection board flammability of the utility model embodiment has reached A levels, effectively reduces
Disaster hidden-trouble；Metal material is not used, has effectively saved the energy and resource, the halogen that returns that effectively prevent glass magnesium fireproof board is asked
Topic；The weight of fire-proof plate is effectively reduced, makes installation more convenient, laborsaving；Printing technology is employed, makes decorative cover more abundant
It is colorful；By the reasonably combined of core and plane materiel, good comprehensive mechanical property is reached.
Preferably, the material of the decorative layer 110 is flame retardant type high polymer material.Preferably, the flame retardant type macromolecule
Material comprises at least fire retardant treated phenolic resin, fire retardant treated Lauxite, fire retardant treated epoxy resin, warp
Macromolecule after the acrylic resin of flame retardant treatment, fire retardant treated polyester resin, the solidification of fire retardant treated polyvinyl chloride
One kind in polymer, fire retardant treated wood skin and fire retardant treated melamine impregnated paper, effectively reduces fire
Hidden danger.
Preferably, the enhancing cloth reinforcement 141 is comprised at least in glass fiber reticular cloth reinforcement and non-woven fabrics reinforcement
One kind, good supporting role can be played, play good comprehensive mechanical property.
Preferably, the binding agent is the binding agent by flame retardant treatment, effectively reduces disaster hidden-trouble.
Preferably, the refractory material comprises at least expanded vermiculite powder, perlite, nano silicon, magnesia and cloud
One kind in female powder.Vermiculite power is a kind of fusing point with up to 1750 DEG C, and density is only 210kg/m3Heat-barrier material.Nanoparticle
Sub- SiO2It is a kind of strongly hydrophilic material, easy gel or reunion very sensitive to PH values environment.Active silane can lead to
Chemical bonding is crossed, electrostatic interaction or adsorbent laminate medium are modified nanoparticle surface.Organosilicon-Ludox hydridization
The addition of complex liquid causes magnesia coagulation to obtain buffering so as to strengthen the water-proof function of sheet material.Vermiculite power, perlite
Refractory material etc. low-density has been greatly reduced the density of sheet material while good fire resisting effect is obtained.
Preferably, the polyurethane protective layer 130 is honeycomb, on the one hand can mitigate weight, on the other hand can also
Play a part of reducing noise.
Preferably, the thickness of the sandwich of layers 140 is 3cm~10cm, and the thickness of the polyurethane protective layer 130 is 3mm
~10mm, the thickness of the gypsum separation layer 120 is 1mm~10mm, and the thickness of the decorative layer 110 is 0.1mm~0.5mm,
By the reasonably combined of core and plane materiel, good comprehensive mechanical property is reached.
To sum up, a kind of tunnel fire proofing decoration protection board flammability of the utility model embodiment has reached A levels, effective drop
Low disaster hidden-trouble；Metal material is not used, has effectively saved the energy and resource, effectively prevent glass magnesium fireproof board returns halogen
Problem；The weight of fire-proof plate is effectively reduced, makes installation more convenient, laborsaving；Printing technology is employed, makes decorative cover richer
It is rich colorful；By the reasonably combined of core and plane materiel, good comprehensive mechanical property is reached.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific limit.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (6)
1. a kind of tunnel fire proofing decorates protection board, it is characterised in that includes successively from top to bottom：
Decorative layer, gypsum separation layer, polyurethane protective layer, sandwich of layers, polyurethane protective layer, gypsum separation layer and decorative layer；
Wherein, the sandwich of layers includes the enhancing cloth reinforcement of multiple random arrangements, and between each enhancing cloth reinforcement
Filled with refractory material；
The polyurethane protective layer is bonded by binding agent and the sandwich of layers, the gypsum separation layer by binding agent with it is described
Polyurethane protective layer is bonded, and the decorative layer is bonded by binding agent and the gypsum separation layer；
The pattern of the decorative layer is formed using the printing of weatherability ink；
The periphery of the fireproof decorative plate for tunnel is provided with fixture.
2. tunnel fire proofing according to claim 1 decorates protection board, it is characterised in that the material of the decorative layer is fire-retardant
Type high polymer material.
3. tunnel fire proofing according to claim 1 decorates protection board, it is characterised in that the enhancing cloth reinforcement at least wraps
Include one kind in glass fiber reticular cloth reinforcement and non-woven fabrics reinforcement.
4. tunnel fire proofing according to claim 1 decorates protection board, it is characterised in that the binding agent is to pass through fire-retardant place
The binding agent of reason.
5. tunnel fire proofing according to claim 1 decorates protection board, it is characterised in that the polyurethane protective layer is honeycomb
Structure.
6. the tunnel fire proofing decoration protection board according to claim any one of 1-5, it is characterised in that the thickness of the sandwich of layers
Spend for 3cm~10cm, the thickness of the polyurethane protective layer is 3mm~10mm, the thickness of the gypsum separation layer for 1mm~
10mm, the thickness of the decorative layer is 0.1mm~0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307391.0U CN206703662U (en) | 2017-03-27 | 2017-03-27 | Tunnel fire proofing decorates protection board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307391.0U CN206703662U (en) | 2017-03-27 | 2017-03-27 | Tunnel fire proofing decorates protection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206703662U true CN206703662U (en) | 2017-12-05 |
Family
ID=60467964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720307391.0U Expired - Fee Related CN206703662U (en) | 2017-03-27 | 2017-03-27 | Tunnel fire proofing decorates protection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206703662U (en) |
-
2017
- 2017-03-27 CN CN201720307391.0U patent/CN206703662U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 |