CN205206067U - Heat preservation color steel sandwich panel - Google Patents
Heat preservation color steel sandwich panel Download PDFInfo
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- CN205206067U CN205206067U CN201520971990.3U CN201520971990U CN205206067U CN 205206067 U CN205206067 U CN 205206067U CN 201520971990 U CN201520971990 U CN 201520971990U CN 205206067 U CN205206067 U CN 205206067U
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- color steel
- sandwich plate
- corrugated sheet
- steel sandwich
- insulation
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Abstract
The utility model discloses a heat preservation color steel sandwich panel belongs to structural lumber technical field. The utility model discloses a thermal insulation core sandwich material and the buckled plate two -layer various steel sheet between of two -layer various steel sheet between and, the range of buckled plate is equal to heat preservation color steel sandwich panel thickness, the thermal insulation core sandwich material fills in the space of two -layer various steel sheet and buckled plate formation, the middle evenly distributed on every inclined plane of buckled plate has the through -hole. The utility model discloses a special preparation structure, detachable transportation can be produced immediately, have realized that reduction cost of transportation, ectonexine combine closely and improve purpose such as life.
Description
Technical field
The utility model belongs to structural lumber technical field, is specifically related to a kind of insulation chromatic steel sandwich plate.
Background technology
Chromatic steel sandwich plate a kind ofly integrates load-bearing, insulation, waterproof, the novel space enclosing structure material fitted up, can be widely used in different building needs, comprise the multiple building fields such as industrial premises, public building, assembled house, cleaning project.Chromatic steel sandwich plate take color painted steel strip as plane materiel, self-extinguishing type polystyrene, polyurethane, glass wool, rock wool etc. are core, with heat-curable glue in continuous forming machine through pressurizeing, being heating and curing, the ultralight building board that is composited of deburring, fluting, the operation such as blanking, thickness is generally at 25-250mm.
Chromatic steel sandwich plate has from heavy and light (1/20-1/30 for concrete roof weight), intensity is high, and (employing high strength is base material, its anti-tensile tensile strength can reach 5600kg/cm2), thermal insulation (its thermal conductivity value is 0.034W/mk), fast (the wet-less operation of speed of application, do not do secondary decoration, construction period can shorten more than 40%), the feature of (without the need to incrustation, colored zinc plated steel anticorrosive coat keeps the phase at 15-20) bright in colour.Chromatic steel sandwich plate is except being applied to above-mentioned building field, and people also give full play to its feature, applies it to more wide field, as the internal partition wall, freezer, express highway sound-proof wall etc. of steamer.
Existing chromatic steel sandwich plate kind comprises:
(1) polystyrene foam plastics sandwiched plate
Polystyrene foam plastics sandwiched plate take color steel sheet as surface layer, with flame retardant polystyrene foam plate for core, with dual-component polyurethane as adhesive material, be combined into through laser heating pressurization, the sandwiched plate of scale synchronous cutting, it is composited by 5 layer materials, i.e. color steel sheet-polyurethane adhesive-polystyrol plastic foam plate-polyurethane adhesive-color steel sheet.
(2) polyurethane foam plastics sandwiched plate
Polyurethane foam plastics sandwiched plate take color steel sheet as surface layer, take flame-retardant polyurethane foam plastic as core, utilize continuous forming machine, through to after color steel sheet die mould, at the middle spray polyurethane of two plates, (polyurethane foam is generally send out mixed foaming with A material and B material in high-pressure bottle to produce, A material be generally combined polyether or other, B material be generally isocyanates or other), through sealing pressing, colored steel and viscoelastic polyurethane are formed composite board, i.e. polyurethane laminboard.
(3) rockwool sandwich board
Rockwool sandwich board makes surface layer with color steel sheet, with non-combustible materials rock wool for core, is adhesive material with two-component polyurethane adhesive, through laser heating pressurization composite molding, and the sandwiched plate of scale synchronous cutting.
(4) glass wool sandwiched plate
Glass wool sandwiched plate adopts natural crystal such as quartz sand, dolomite, alabaster etc. to be primary raw material, being equipped with other as the industrial chemicals such as soda ash, boric acid is melting into glass, draw by external force, blow or get rid of into superfine fibrous material, the sheet material be cemented to phenolic resins in the molten state.
In the sandwich material of chromatic steel sandwich plate conventional at present, only have rock wool, glass wool is incombustible material, the use of other sandwich material in chromatic steel sandwich plate very easily causes the generation of fire, and the globality of rock wool, glass wool is poor, compressive strength is low, generally can only be used as wallboard, be not used as ceiling materials.
In addition, in the color painted steel strip coating used at present, polyvinylidene fluoride (PVDF) fluorocarbon coating owing to using polymer with fluorine element as film-forming resin in its coating, make it have excellent resistance to atmospheric exposure, solvent resistant, corrosion-resistant, anti-contamination and good processing characteristics and the king that becomes in chromatic board coating, be widely used in top-grade building exterior wall and roofing.But PVDF colored steel exists an obvious weakness, namely organic coating softer (its pencil hardness < F), causes the scratch resistant performance in process bad, is easy to be scratched in transport and forming process.
Various chromatic steel sandwich plate has common technical problem above:
(1) the outer field color steel of chromatic steel sandwich plate, in order to ensure the lightweight of sheet material, generally all adopts steel sheet, and the sandwiched plate of inside is all soft material, therefore, chromatic steel sandwich plate local pressure is larger, such as local impact, knock, can be easy to occur pit;
(2) sandwiched plate is generally all the soft material that density is little, and take volume comparatively large, cost of transportation is higher;
(3) chromatic steel sandwich plate ectonexine is all after separately producing, be combined into chromatic steel sandwich plate again, a lot of sandwich material is often produced for a long time and is just applied to chromatic steel sandwich plate, ectonexine in conjunction with time also to carry out specially treated can ensure combine compactness, if and the sandwich material production time is long, be easy to aging, thus affect the application life of whole chromatic steel sandwich plate.
Chinese patent publication No.: CN104631637A, the purified color steel sandwich panel that patent document discloses a kind of heat insulating material and preparation thereof of publication date: 2015.05.20.This heat insulating material is made up of light calcined magnesia, magnesium chloride, string, glass fabric and additive, has high flame retardant, and coefficient of thermal conductivity can be low to moderate 0.17W/mK, has good insulation effect.This invention chromatic steel sandwich plate, comprise color steel sandwiched plate main body, chromatic steel sandwich plate main body comprises heat-insulating frame, and the front and rear surfaces of heat-insulating frame is coated with metal decking, the end face of heat-insulating frame is connected with side plate, and the carrying for supporting chromatic steel sandwich plate body weight is protruding and cave in.Color steel in use, its weight acts on heat insulating material through side plate, act on heat-insulating frame by heat insulating material again, make color steel entire body stressed, avoid because only being changed by the stressed structure caused of side plate, therefore its structure is more firm, and longer service life, fire endurance reaches more than 3 hours.This patent application supports carrying projection and the depression of chromatic steel sandwich plate body weight by side plate, part solves the technical problem that chromatic steel sandwich plate local pressure causes pit, but the location of manufacturing process latus inframedium and evenly laying also improve process costs and the material cost of production.
Utility model content
1. the technical problem that will solve
Easily cave in for chromatic steel sandwich plate local pressure in prior art, volume cause greatly cost of transportation high, separately produce cause in conjunction with time need specially treated and affect the problem in whole sheet material application life, the utility model provides a kind of insulation chromatic steel sandwich plate.It by special making structure, separately can transport and can immediately produce, achieve reduce cost of transportation, ectonexine combines closely and improves the objects such as application life.
2. technical scheme
For achieving the above object, technical solutions of the utility model are carried out in the following manner:
A kind of insulation chromatic steel sandwich plate, comprise two-layer color steel and between thermal insulation clamp core material and two-layer color steel between corrugated sheet, the amplitude of corrugated sheet is equal to insulation chromatic steel sandwich plate thickness; Thermal insulation clamp core material is filled in the space of two-layer color steel and corrugated sheet formation; The centre on each inclined-plane of corrugated sheet is evenly distributed with through hole.
Preferably, to be also included in outside corrugated sheet and the joggle arranged in the side ports that two-layer color steel is formed or clamping apparatus.
Preferably, joggle device is the concave-board and projection plate that are equipped with; Clamping apparatus is public card and master card.
Preferably, the side of two-layer color steel is provided with relative interior knuckle, blocks joggle or clamping apparatus.
Preferably, thermal insulation clamp core material, in two-layer color steel, adds the immediate reaction Process Production of B material again by first adding A material.
Be incubated a manufacture craft for chromatic steel sandwich plate, comprise the following steps:
A, base plate paving: first by the tiling of bottom color steel on the operational platform;
B, corrugated sheet are laid: corrugated sheet is layered on uniformly bottom color steel upper surface;
C, top board are laid: cover above corrugated sheet by upper strata color steel, and corrugated sheet and two-layer color steel form triangle chute;
D, sealing: 4 openings that sealing two layers color steel is formed, reserve material hole at the sealing part of each triangle chute;
E, A expect to inject: the triangle chute first by material hole, A material being injected corrugated sheet and end face formation;
F, B expect to inject: the triangle chute by material hole, B material being injected corrugated sheet and bottom surface formation again;
G, totally-enclosed: blocking material hole, overturns two-layer color steel repeatedly, A material and B expect by through hole Homogeneous phase mixing;
H, natural foaming: chromatic steel sandwich plate is left standstill, natural foaming.
Preferred manufacture craft, also comprises step J, extrudes levelling, with hydraulic pressure or oil gear, insulation chromatic steel sandwich plate is squeezed to the height of corrugated sheet.
Preferred manufacture craft, in step D, arranges joggle or clamping apparatus and blocks knuckle in joggle or clamping apparatus in two the side openings being parallel to triangle chute; After step H natural foaming, joggle or clamping apparatus squeeze toward interior knuckle by foam, seal up this two side ends opening.
Preferred manufacture craft, A material is combined polyether or combination alkalescent phenol resin, and described B material is isocyanates or low boiling alkane, wherein, combined polyether and isocyanates with the use of, combination alkalescent phenol resin and low boiling alkane with the use of; Step F and E are successively interchangeable.
Preferred manufacture craft, combination alkalescent phenol resin comprises alkalescent phenol resin and emulsifier; Low boiling alkane is one or more in pentane, isopentane, n-hexane, pentamethylene, benzinum.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following remarkable result:
(1) one insulation chromatic steel sandwich plate of the present utility model, the setting of corrugated sheet, take full advantage of the stability of architecture intermediate cam structure, local pressure can be shifted to whole plate face, effectively avoid the generation of concave surface during local pressure, the setting of through hole, inject also Homogeneous phase mixing for the priority of A material and B material when insulation chromatic steel sandwich plate is produced immediately and provide possibility, and color steel and corrugated sheet separately can transport, take volume little, cost of transportation effectively reduces;
(2) one insulation chromatic steel sandwich plate of the present utility model, the setting of interior knuckle, effectively prevents joggle device or clamping apparatus from extruding insulation chromatic steel sandwich plate;
(3) one insulation chromatic steel sandwich plate of the present utility model, the setting of joggle or clamping apparatus, improves convenience and the flexibility of assembling;
(4) one insulation chromatic steel sandwich plate of the present utility model, immediately produce, joggle or clamping apparatus can in blowing agent expansion processes, be extruded into interior knuckle place, and and laminboard layer seamless link, without the need to other extra connected mode such as bonding, the fourth of the twelve Earthly Branches connects, reduce further cost of manufacture;
(5) one insulation chromatic steel sandwich plate of the present utility model, take full advantage of the strong cementing viscosity of combined polyether and isocyanates and combination alkalescent phenol resin and the rear generation of low boiling alkane combination of two foaming, tight with outer color steel bonding in blowing agent expansion process, it is firmly seamless link, further need not process especially, further reduce cost of manufacture again;
(6) one insulation chromatic steel sandwich plate of the present utility model, carries out levelling with hydraulic pressure or oil gear, prevents blowing agent from expanding and excessively cause distortion, after extruding, by excess volume return, and can also the cementing effect of bonding of enhanced foaming and color steel;
(7) one insulation chromatic steel sandwich plate of the present utility model, through the step of overtesting and calculating, can effectively avoid A, B to expect waste in foaming process and excessive expansion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model embodiment 3;
Fig. 3 is the utility model subwave card top view;
Fig. 4 is the utility model openend sealing state schematic diagram.
In figure: 1, color steel; 2, corrugated sheet; 3, concave-board; 4, projection plate; 5, thermal insulation clamp core material; 6, public card; 7, master card; 8, through hole; 9, sealing plate; 11, interior knuckle; 91, material hole.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail.
Embodiment 1
The one insulation chromatic steel sandwich plate of this example, as shown in Figure 1, comprise two-layer color steel 1 and between thermal insulation clamp core material 5, also comprise the corrugated sheet 2 between two-layer color steel 1, the amplitude of corrugated sheet 2 is 5cm, is equal to insulation chromatic steel sandwich plate thickness; Thermal insulation clamp core material 5 is filled in the space of two-layer color steel 1 and corrugated sheet 2 formation; As shown in Figure 3, the centre on each inclined-plane of corrugated sheet 2 is evenly distributed with through hole 8: corrugated sheet 2 can be formed by connecting with Z-shaped plate or W-shaped plate.
A kind of manufacture craft being incubated chromatic steel sandwich plate of this example: comprise the following steps:
A, base plate paving: first bottom color steel 1 is tiled on the operational platform;
B, corrugated sheet are laid: corrugated sheet 2 is layered on uniformly bottom color steel 1 upper surface;
C, top board are laid: covered by upper strata color steel 1 above corrugated sheet 2, corrugated sheet 2 and two-layer color steel 1 form triangle chute;
D, sealing: as shown in Figure 4,4 openings formed with sealing plate 9 sealing two layers color steel 1, reserve material hole 91 at the sealing part of each triangle chute;
E, A expect to inject: the triangle chute first by upper material hole 91, A material being injected corrugated sheet and end face formation;
F, B expect to inject: the triangle chute by lower material hole 91, B material being injected corrugated sheet and bottom surface formation again;
G, totally-enclosed: blocking material hole 91, repeatedly overturn two-layer color steel 1, A material and B expects by through hole 8 Homogeneous phase mixing;
H, natural foaming: chromatic steel sandwich plate is left standstill, natural foaming more than 20 minutes;
I, extrude levelling, with hydraulic pressure or oil gear, insulation chromatic steel sandwich plate is squeezed to 5cm.
The one insulation chromatic steel sandwich plate of this example, the setting of corrugated sheet 2, take full advantage of the stability of architecture intermediate cam structure, local pressure can be shifted to whole plate face, effectively avoid the generation of concave surface during local pressure, the setting of through hole, inject also Homogeneous phase mixing for the priority of A material and B material when insulation chromatic steel sandwich plate is produced immediately and provide possibility, and color steel and corrugated sheet separately can transport, take volume little, cost of transportation effectively reduces.
Embodiment 2
The one insulation chromatic steel sandwich plate of the present embodiment, basic structure is with embodiment 1, difference is: be also included in corrugated sheet 2 two ends and the joggle device arranged in the side ports that two-layer color steel 1 is formed, as shown in Figure 1, joggle device is the concave-board 3 and projection plate 4 that are equipped with, and the side of two-layer color steel 1 is provided with the relative interior knuckle 11 blocking joggle device.Color steel specification is 2*1.4m, and corrugated sheet 2 amplitude is 5cm.
A kind of manufacture craft being incubated chromatic steel sandwich plate of the present embodiment, basic step is with embodiment 1, and improvements are: A material and B material are respectively combined polyether and isocyanates.The step tested and calculate first is carried out before carrying out steps A:
-2A, test combinations polyethers and isocyanates mixed proportion and the coefficient of expansion after foaming: first combined polyether and isocyanates are pressed the mixing of 1:1 volume ratio, after foaming, calculation combination polyethers and isocyanates remain ratio x, proportion coefficient design formulas is, when combined polyether remains, combined polyether: isocyanates=(1-x): 1; When isocyanates remains, combined polyether: isocyanates=1:(1-x); If noresidue, factor of proportionality is 1; And in container, the combined polyether and isocyanates that calculate mixed proportion are added, calculate expanding volume z after foaming, if combined polyether and isocyanates initial volume sum are y, then the coefficient of expansion is ∮=z/y; In the present embodiment, through test, factor of proportionality is 1, and the coefficient of expansion is 20;
-1A in conjunction with shot needed for each triangle chute of triangle chute volume computing: triangle chute volume is u, and each insulation chromatic steel sandwich plate intermediate cam shape chute quantity is n, then shot M=un/ ∮ needed for each triangle chute; The amount then injecting combined polyether is MA=M (1-x)/(2-x); The amount injecting isocyanates is MB=M/ (2-x); In the present embodiment, the volume that whole color steel surrounds is 2*1.4*0.05=0.14 cubic meter, forms 14 triangle chutes, then shot M=0.14/20*14=0.0005 cubic meter needed for each triangle chute altogether, namely 0.5 liter;
In step D, joggle device is set in two the side openings being parallel to triangle chute and blocks knuckle 11 in joggle device; In step F, combined polyether injects: the triangle chute first by material hole, 0.25 liter of combined polyether being injected corrugated sheet and end face formation;
G, isocyanates inject: the triangle chute by material hole, 0.25 liter of isocyanates being injected corrugated sheet and bottom surface formation again;
After step H natural foaming, joggle device squeezes toward interior knuckle 11 by foam, seals up this two side ends opening.Finally also comprise step I, extrude levelling, with hydraulic means, insulation chromatic steel sandwich plate thickness is squeezed to 5cm, to ensure that corrugated sheet 2 is in measuring body duty.
After testing, the insulation chromatic steel sandwich plate coefficient of thermal conductivity≤0.035W/m.K of the present embodiment.
Embodiment 3
The one insulation chromatic steel sandwich plate of the present embodiment, as shown in Figure 2, basic structure is with embodiment 2, and difference is: joggle device clamping apparatus replaces, and clamping apparatus is public card 6 and master card 7.The side of two-layer color steel 1 is provided with the relative interior knuckle 11 blocking clamping apparatus.A material and B material are respectively combination alkalescent phenol resin and low boiling alkane; Combination alkalescent phenol resin comprises alkalescent phenol resin and emulsifier; Low boiling alkane is one or more in pentane, isopentane, n-hexane, pentamethylene, benzinum, most preferably is pentane-isopentane body, and the present embodiment selects pentane-isopentane body;
A kind of manufacture craft being incubated chromatic steel sandwich plate of the present embodiment, step e and F successively can be exchanged, before carrying out steps A, first carry out the step tested and calculate:
The coefficient of expansion after-2A, test combinations alkalescent phenol resin and pentane-isopentane body mixed proportion and foaming: first will combine alkalescent phenol resin and pentane-isopentane body mixes by 1:1 volume ratio, after foaming, calculation combination alkalescent phenol resin and pentane-isopentane body remain ratio x, when proportion coefficient design formulas remains for combining alkalescent phenol resin, combination alkalescent phenol resin: pentane-isopentane body=(1-x): 1; When pentane-isopentane body remains, combination alkalescent phenol resin: pentane-isopentane body=1:(1-x); If noresidue, factor of proportionality is 1; And in container, the combination alkalescent phenol resin and pentane-isopentane body that calculate mixed proportion are added, calculate expanding volume z after foaming, if combination alkalescent phenol resin and pentane-isopentane body initial volume sum are y, then the coefficient of expansion is ∮=z/y; In the present embodiment, through test, factor of proportionality is 1, and the coefficient of expansion is 25;
-1A in conjunction with shot needed for each triangle chute of triangle chute volume computing: triangle chute volume is u, and each insulation chromatic steel sandwich plate intermediate cam shape chute quantity is n, then shot M=un/ ∮ needed for each triangle chute; The amount then injecting combination alkalescent phenol resin is MA=M (1-x)/(2-x); The amount injecting pentane-isopentane body is MB=M/ (2-x); In the present embodiment, the volume that whole color steel surrounds is 2*1.4*0.05=0.14 cubic meter, forms 14 triangle chutes, then shot M=0.14/25*14=0.0004 cubic meter needed for each triangle chute altogether, namely 0.4 liter.
In step D, clamping apparatus is set in two the side openings being parallel to triangle chute and blocks knuckle 11 in clamping apparatus; In step F, combination alkalescent phenol resin injects: first pass through the triangle chute that 0.2 liter of combination alkalescent phenol resin injection corrugated sheet 2 and end face are formed by material hole 91;
G, pentane-isopentane body injects: the triangle chute by material hole 91,0.2 liter of pentane-isopentane body being injected corrugated sheet 2 and bottom surface formation again;
After step H natural foaming, clamping apparatus squeezes toward interior knuckle 11 by foam, seals up this two side ends opening.Finally also comprise step I, extrude levelling, with hydraulic means, insulation chromatic steel sandwich plate thickness is squeezed to 5cm, to ensure that corrugated sheet 2 is in measuring body duty.
After testing, the insulation chromatic steel sandwich plate coefficient of thermal conductivity≤0.030W/m.K of the present embodiment.
Below be schematically described the invention and embodiment thereof, this description is not restricted.So, if those of ordinary skill in the art enlightens by it, when not departing from this creation aim, designing the frame mode similar to this technical scheme and embodiment without creationary, the protection domain of this patent all should be belonged to.
Claims (4)
1. an insulation chromatic steel sandwich plate, comprise two-layer color steel (1) and between thermal insulation clamp core material (5), it is characterized in that, also comprise the corrugated sheet (2) between two-layer color steel (1), the amplitude of described corrugated sheet (2) is equal to insulation chromatic steel sandwich plate thickness; Described thermal insulation clamp core material (5) is filled in the space that two-layer color steel (1) and corrugated sheet (2) formed; The centre on described corrugated sheet (2) each inclined-plane is evenly distributed with through hole (8).
2. insulation chromatic steel sandwich plate according to claim 1, is characterized in that: be also included in corrugated sheet (2) two ends and the joggle arranged in the side ports that two-layer color steel (1) is formed or clamping apparatus.
3. insulation chromatic steel sandwich plate according to claim 2, is characterized in that: described joggle device is the concave-board (3) and projection plate (4) that are equipped with; Described clamping apparatus is public card (6) and master card (7).
4. insulation chromatic steel sandwich plate according to claim 2, is characterized in that: the side of described two-layer color steel (1) is provided with the relative interior knuckle (11) blocking joggle or clamping apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971990.3U CN205206067U (en) | 2015-11-26 | 2015-11-26 | Heat preservation color steel sandwich panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971990.3U CN205206067U (en) | 2015-11-26 | 2015-11-26 | Heat preservation color steel sandwich panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205206067U true CN205206067U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520971990.3U Expired - Fee Related CN205206067U (en) | 2015-11-26 | 2015-11-26 | Heat preservation color steel sandwich panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN205206067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350667A (en) * | 2015-11-26 | 2016-02-24 | 安徽继宏环保科技有限公司 | Heat-preservation color steel sandwich panel and manufacturing process thereof |
| CN105971140A (en) * | 2016-06-03 | 2016-09-28 | 山东冬瑞高新技术开发有限公司 | Polyurethane foam insulation board for building |
-
2015
- 2015-11-26 CN CN201520971990.3U patent/CN205206067U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350667A (en) * | 2015-11-26 | 2016-02-24 | 安徽继宏环保科技有限公司 | Heat-preservation color steel sandwich panel and manufacturing process thereof |
| CN105350667B (en) * | 2015-11-26 | 2017-09-05 | 安徽继宏环保科技有限公司 | One kind insulation chromatic steel sandwich plate and its manufacture craft |
| CN105971140A (en) * | 2016-06-03 | 2016-09-28 | 山东冬瑞高新技术开发有限公司 | Polyurethane foam insulation board for building |
| CN105971140B (en) * | 2016-06-03 | 2018-07-03 | 浙江振阳绝热科技有限公司 | A kind of polyurethane foam insulation plate for building |
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| C14 | Grant of patent or utility model | ||
| 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: 20160504 Termination date: 20201126 |