CN204436202U - A kind of glass inner core sound insulated fire door - Google Patents
A kind of glass inner core sound insulated fire door Download PDFInfo
- Publication number
- CN204436202U CN204436202U CN201520007830.7U CN201520007830U CN204436202U CN 204436202 U CN204436202 U CN 204436202U CN 201520007830 U CN201520007830 U CN 201520007830U CN 204436202 U CN204436202 U CN 204436202U
- Authority
- CN
- China
- Prior art keywords
- inner core
- former
- rectangular shaped
- flame resistant
- melting point
- 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
- 239000011521 glass Substances 0.000 title claims abstract description 49
- 239000004033 plastic Substances 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims description 25
- 230000008018 melting Effects 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 22
- 229920000742 Cotton Polymers 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 229920002379 silicone rubber Polymers 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- 239000004604 Blowing Agent Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- HJYUZIDYQOZTBZ-UHFFFAOYSA-J [K+].S(=O)(=O)([O-])[O-].[Al+3].NN.S(=O)(=O)([O-])[O-] Chemical compound [K+].S(=O)(=O)([O-])[O-].[Al+3].NN.S(=O)(=O)([O-])[O-] HJYUZIDYQOZTBZ-UHFFFAOYSA-J 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910000648 terne Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- DOSMHBDKKKMIEF-UHFFFAOYSA-N 2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]-5-[3-[3-[4-(1-methylindol-3-yl)-2,5-dioxopyrrol-3-yl]indol-1-yl]propylsulfamoyl]benzenesulfonate Chemical compound C1=CC(=[N+](CC)CC)C=C2OC3=CC(N(CC)CC)=CC=C3C(C=3C(=CC(=CC=3)S(=O)(=O)NCCCN3C4=CC=CC=C4C(C=4C(NC(=O)C=4C=4C5=CC=CC=C5N(C)C=4)=O)=C3)S([O-])(=O)=O)=C21 DOSMHBDKKKMIEF-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Landscapes
- Special Wing (AREA)
Abstract
A kind of glass inner core sound insulated fire door, comprises a body, rectangular shaped rim and door lock; Described door external week arranges rectangular shaped rim, and Men Tiyi side is provided with hinge, and the side that described Men Tiyu hinge is corresponding is provided with door lock; In rectangular shaped rim, outside is provided with alloy sheets supporting layer, and described alloy sheets supporting layer comprises hollow stainless steel faceplate, is provided with inorganic endothermic material layer in stainless steel faceplate; The inner surface of described stainless steel faceplate is equipped with a PLASTIC LAMINATED, between two pieces of PLASTIC LAMINATED, is provided with a glass inner core.The bezel structure inner core quality that the utility model adopts is light, and antidetonation, heat insulation, sound insulation value is very good, the fire insulation when running into burst fire condition and fire integrity all very high.
Description
Technical field
The utility model belongs to composite gate technical field, is specially a kind of glass inner core sound insulated fire door.
Background technology
Labeled door in existing steel building, its two pieces of steel facings generally comprising rectangular shaped rim and be located at rectangular shaped rim both sides respectively, the inner surface of two pieces of steel facings is equipped with a PLASTIC LAMINATED, this labeled door intensity is lower, water proofing property is poor, soundproof effect is poor, for addressing this problem, Chinese patent CN203835204U discloses a kind of high-strength fire-retardant door for steel building, it comprises rectangular shaped rim and is located at the two pieces of steel facings paralleling setting of rectangular shaped rim both sides respectively, the inner surface of two pieces of steel facings is equipped with a PLASTIC LAMINATED, two pieces of described steel facings and the junction of rectangular shaped rim are equipped with Waterproof glue line, the two ends up and down of PLASTIC LAMINATED are triangle and are plugged on the inner surface of rectangular shaped rim, a gripper shoe is provided with between two pieces of PLASTIC LAMINATED, the two ends up and down of gripper shoe are welded and fixed with the inner surface at the two ends up and down of rectangular shaped rim respectively, two pieces are all connected with many reinforcing ribs between PLASTIC LAMINATED and gripper shoe, two pieces are respectively equipped with waterproof layer and insulation material layer between PLASTIC LAMINATED and gripper shoe, the external surface of two pieces of described steel facings is coated with the fire-retardant enamelled coating of one deck, this utility model has that intensity is higher, the better advantage of water proofing property, but because clean steel panel construction causes the quality of a body excessive, the supporting of opposite house body and connection and hinge member propose very high requirement, cost is also very high, can not widely use, and in use, the sound insulation of Steel structure door body structure and anti-seismic performance are all poor, urgently improve.
Utility model content
The purpose of this utility model is to provide a kind of glass inner core sound insulated fire door, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of glass inner core sound insulated fire door, comprises a body, rectangular shaped rim and door lock; Described door external week arranges rectangular shaped rim, and Men Tiyi side is provided with hinge, and the side that described Men Tiyu hinge is corresponding is provided with door lock; In rectangular shaped rim, outside is provided with alloy sheets supporting layer, alloy sheets supporting layer described in two groups be arranged in parallel and is positioned at the caulking groove of rectangular shaped rim scuncheon, described alloy sheets supporting layer comprises hollow stainless steel faceplate, is provided with inorganic endothermic material layer in stainless steel faceplate; Described inorganic endothermic material layer comprises Ceramic silicon rubber jacket layer and is filled in the cotton fire-retardant body of inorfil of Ceramic silicon rubber cover interlayer, the cotton fire-retardant body of described inorfil comprises the heat-absorbing material that inorfil is cotton and be blended in inorfil cotton, is provided with ventilative grid window in the end of described stainless steel faceplate; The inner surface of described stainless steel faceplate is equipped with a PLASTIC LAMINATED, the two ends up and down of PLASTIC LAMINATED are triangle and are plugged on the inner surface of rectangular shaped rim, a glass inner core is provided with between two pieces of PLASTIC LAMINATED, described glass inner core comprises former of the identical flame resistant glass of two sizes, thermal reflecting coating coating is evenly plated in the outside of former of two flame resistant glasses, the low melting point pipe of square frame-shaped is provided with between the edge of former of two flame resistant glasses, at low melting point pipe built with blowing agent, be hollow between former of two flame resistant glasses and low melting point pipe; Waterproof gum is scribbled in the outer rim of former of two flame resistant glasses and low melting point pipe; The external surface of described low melting point pipe and the outer edge surface of former of two flame resistant glasses are provided with gap on vertical, and this gap and two flame resistant glasses former Formation cross-section are square groove closed continuously, fill Waterproof gum in groove, form fire prevention glue-line; One deck decorative panel is provided with in the outside of described stainless steel faceplate.
Further, described heat-absorbing material is one or more in magnesium hydroxide, aluminium hydroxide, hydrazine aluminum sulfate potassium, hydrated calcium sulfate.
Further, the cavity between former of described two flame resistant glasses and low melting point pipe is filled with stale air or inert gas.
Further, described low melting point pipe adopts terne metal square tube, and the height of low melting point pipe is 3 ~ 20mm, width is 6 ~ 20mm.
Further, at the bushing spill frame in the outside of former of described two flame resistant glasses, the inner side of spill frame and rectangular shaped rim is agreed with.
Compared with prior art, in the utility model, two ends up and down due to PLASTIC LAMINATED are triangle and are plugged on the inner surface of rectangular shaped rim, and be provided with gripper shoe between two pieces of PLASTIC LAMINATED, two pieces are equipped with reinforcing rib between PLASTIC LAMINATED and gripper shoe, such that the internal intensity of the utility model labeled door is higher and structure is very steady; The bezel structure inner core quality that the utility model adopts is light, and antidetonation, heat insulation, sound insulation value is very good, the fire insulation when running into burst fire condition and fire integrity all very high.
Accompanying drawing explanation
Fig. 1 is the overall schematic of a kind of glass inner core sound insulated fire door of the utility model.
Fig. 2 is A-A direction view in Fig. 1.
In figure: 1-rectangular shaped rim, 2-caulking groove, 3-inorganic endothermic material layer, 4-decorative panel, 5-PLASTIC LAMINATED, 6-thermal reflecting coating coating, former of 7-flame resistant glass, 8-low melting point pipe, 9-blowing agent, 10-prevents fires glue-line, the cotton fire-retardant body of 11-inorfil, 12-stainless steel faceplate, 13-hinge, 14-door lock.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1 ~ 2, a kind of glass inner core sound insulated fire door, comprise a body, rectangular shaped rim 1 and door lock 14, described door body 2 periphery arranges rectangular shaped rim 1, and Men Tiyi side is provided with hinge 13, and a side of described Men Tiyu hinge 13 correspondence is provided with door lock 14, in rectangular shaped rim 1, outside is provided with alloy sheets supporting layer, alloy sheets supporting layer described in two groups be arranged in parallel and is positioned at the caulking groove 2 of rectangular shaped rim 1 scuncheon, described alloy sheets supporting layer comprises hollow stainless steel faceplate 12, inorganic endothermic material layer 3 is provided with in stainless steel faceplate 12, described inorganic endothermic material layer 3 comprises Ceramic silicon rubber jacket layer and is filled in the cotton fire-retardant body 11 of inorfil of Ceramic silicon rubber cover interlayer, the cotton fire-retardant body 11 of described inorfil comprises the heat-absorbing material that inorfil is cotton and be blended in inorfil cotton, described heat-absorbing material is magnesium hydroxide, aluminium hydroxide, hydrazine aluminum sulfate potassium, one or more in hydrated calcium sulfate, conveniently breathe freely, ventilative grid window is provided with in the end of described stainless steel faceplate 12, the inner surface of described stainless steel faceplate is equipped with a PLASTIC LAMINATED 5, the two ends up and down of PLASTIC LAMINATED 5 are triangle and are plugged on the inner surface of rectangular shaped rim 1, a glass inner core is provided with between two pieces of PLASTIC LAMINATED 5, described glass inner core comprises the identical flame resistant glass of two sizes former 7, high temperature heat-resistant reflectance coating coating 6 is evenly plated in the outside of two flame resistant glasses former 7, the low melting point pipe 8 of square frame-shaped is provided with between the edge of two flame resistant glasses former 7, at low melting point pipe 8 built with blowing agent 9, be hollow between two flame resistant glasses former 7 and low melting point pipe 8, Waterproof gum is scribbled in the outer rim of two flame resistant glasses former 7 and low melting point pipe 8, the outer edge surface of the external surface of described low melting point pipe 8 and two flame resistant glasses former 7 is provided with gap on vertical, this gap and two flame resistant glasses former 7 Formation cross-sections are square groove closed continuously, the degree of depth of described groove is 3 ~ 12mm, fills Waterproof gum in groove, forms fire prevention glue-line 10,
Cavity between two flame resistant glasses former 7 and low melting point pipe 8 is filled with stale air or inert gas, particularly, is argon gas.
Described low melting point pipe 8 adopts terne metal square tube, and the height of low melting point pipe 8 is 3 ~ 20mm, width is 6 ~ 20mm.
At the spill frame of bushing the fixation in outside of two flame resistant glasses former 6, the inner side of spill frame and rectangular shaped rim is agreed with; One deck decorative panel 4 is provided with in the outside of described stainless steel faceplate 12
Fire prevention glue-line 10 and spill frame can play certain heat-insulation shockproof effect, reduce the self-destruction risk that flame resistant glass former 7 edges are heated or external force causes.
In the utility model, two ends up and down due to PLASTIC LAMINATED are triangle and are plugged on the inner surface of rectangular shaped rim, and be provided with gripper shoe between two pieces of PLASTIC LAMINATED, two pieces are equipped with reinforcing rib between PLASTIC LAMINATED and gripper shoe, such that the internal intensity of the utility model labeled door is higher and structure is very steady; The bezel structure inner core quality that the utility model adopts is light, and antidetonation, heat insulation, sound insulation value is very good, the fire insulation when running into burst fire condition and fire integrity all very high.
Inorganic endothermic material is filled with in the panel of the utility model labeled door, this inorganic endothermic material can discharge water vapour when being heated to a certain degree, absorb heat in the process of inorganic endothermic material release water vapour, this endothermic process itself can play cooling effect, and water vapour volatilization can take away heat continuously, the temperature of door is reduced, and this can improve the fire resistance of door, reduce the damage of opposite house when fire occurs, ensure people's security of the lives and property; And Ceramic silicon rubber layer can be formed by silicon rubber, silica, silicone oil and Vitrified powder, namely main ceramic fireproof silicon rubber of using is as main base material, it can change ceramic-like rigid shell into more than 350 DEG C of temperature, possesses the features such as fire-retardant, Halogen, nontoxic, low cigarette.Which in turns increases the fire-resistant effect of labeled door
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (5)
1. a glass inner core sound insulated fire door, is characterized in that, comprises a body, rectangular shaped rim and door lock, described door external week arranges rectangular shaped rim, and Men Tiyi side is provided with hinge, and the side that described Men Tiyu hinge is corresponding is provided with door lock, in rectangular shaped rim, outside is provided with alloy sheets supporting layer, alloy sheets supporting layer described in two groups be arranged in parallel and is positioned at the caulking groove of rectangular shaped rim scuncheon, described alloy sheets supporting layer comprises hollow stainless steel faceplate, inorganic endothermic material layer is provided with in stainless steel faceplate, described inorganic endothermic material layer comprises Ceramic silicon rubber jacket layer and is filled in the cotton fire-retardant body of inorfil of Ceramic silicon rubber cover interlayer, the cotton fire-retardant body of described inorfil comprises the heat-absorbing material that inorfil is cotton and be blended in inorfil cotton, ventilative grid window is provided with in the end of described stainless steel faceplate, the inner surface of described stainless steel faceplate is equipped with a PLASTIC LAMINATED, the two ends up and down of PLASTIC LAMINATED are triangle and are plugged on the inner surface of rectangular shaped rim, a glass inner core is provided with between two pieces of PLASTIC LAMINATED, described glass inner core comprises former of the identical flame resistant glass of two sizes, thermal reflecting coating coating is evenly plated in the outside of former of two flame resistant glasses, the low melting point pipe of square frame-shaped is provided with between the edge of former of two flame resistant glasses, at low melting point pipe built with blowing agent, be hollow between former of two flame resistant glasses and low melting point pipe, Waterproof gum is scribbled in the outer rim of former of two flame resistant glasses and low melting point pipe, the external surface of described low melting point pipe and the outer edge surface of former of two flame resistant glasses are provided with gap on vertical, and this gap and two flame resistant glasses former Formation cross-section are square groove closed continuously, fill Waterproof gum in groove, form fire prevention glue-line, one deck decorative panel is provided with in the outside of described stainless steel faceplate.
2. a kind of glass inner core sound insulated fire door according to claim 1, is characterized in that, described heat-absorbing material is one or more in magnesium hydroxide, aluminium hydroxide, hydrazine aluminum sulfate potassium, hydrated calcium sulfate.
3. a kind of glass inner core sound insulated fire door according to claim 1, is characterized in that, the cavity between former of described two flame resistant glasses and low melting point pipe is filled with stale air or inert gas.
4. a kind of glass inner core sound insulated fire door according to claim 1, is characterized in that, described low melting point pipe adopts terne metal square tube, and the height of low melting point pipe is 3 ~ 20mm, width is 6 ~ 20mm.
5. a kind of glass inner core sound insulated fire door according to claim 1, is characterized in that, at the bushing spill frame in the outside of former of described two flame resistant glasses, the inner side of spill frame and rectangular shaped rim is agreed with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007830.7U CN204436202U (en) | 2015-01-07 | 2015-01-07 | A kind of glass inner core sound insulated fire door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007830.7U CN204436202U (en) | 2015-01-07 | 2015-01-07 | A kind of glass inner core sound insulated fire door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436202U true CN204436202U (en) | 2015-07-01 |
Family
ID=53604081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520007830.7U Expired - Fee Related CN204436202U (en) | 2015-01-07 | 2015-01-07 | A kind of glass inner core sound insulated fire door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436202U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298351A (en) * | 2015-11-19 | 2016-02-03 | 安徽旺家源门业有限公司 | Door of multilayer structure |
| CN105781366A (en) * | 2016-05-06 | 2016-07-20 | 成都华气能源工程有限公司 | Vacuum sound-proof door |
| CN105835431A (en) * | 2016-03-24 | 2016-08-10 | 江苏建中能源科技有限公司 | Reinforced fireproof coated board |
| CN107060605A (en) * | 2017-06-20 | 2017-08-18 | 天津市龙甲门业有限公司 | A kind of hollow wooden fire-proof door leaf |
| CN110485590A (en) * | 2019-08-21 | 2019-11-22 | 赖建林 | A kind of fire proof construction steel construction |
-
2015
- 2015-01-07 CN CN201520007830.7U patent/CN204436202U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298351A (en) * | 2015-11-19 | 2016-02-03 | 安徽旺家源门业有限公司 | Door of multilayer structure |
| CN105835431A (en) * | 2016-03-24 | 2016-08-10 | 江苏建中能源科技有限公司 | Reinforced fireproof coated board |
| CN105781366A (en) * | 2016-05-06 | 2016-07-20 | 成都华气能源工程有限公司 | Vacuum sound-proof door |
| CN107060605A (en) * | 2017-06-20 | 2017-08-18 | 天津市龙甲门业有限公司 | A kind of hollow wooden fire-proof door leaf |
| CN110485590A (en) * | 2019-08-21 | 2019-11-22 | 赖建林 | A kind of fire proof construction steel construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204436202U (en) | A kind of glass inner core sound insulated fire door | |
| CN205840696U (en) | Fire resistant window | |
| CN205153927U (en) | Fire prevention and energy conservation glass | |
| CN205558722U (en) | Fire -resistant window of heat -insulating aluminum alloy | |
| CN204457331U (en) | A kind of light-duty steel framework composite construction labeled door | |
| CN204436206U (en) | A kind of hollow type fire protection flame retarding composite gate | |
| CN208251943U (en) | A kind of aluminium alloy glass layering structure for fire-proof door leaf | |
| CN207277579U (en) | A kind of fireproof heat insulation plate | |
| CN206071399U (en) | One kind is opened flat heat-insulation aluminium alloy non-insulated type fireproof window | |
| CN204827059U (en) | Disconnected fever type material of fire prevention | |
| CN205046712U (en) | Double -deck insulating glass curtain | |
| CN211572060U (en) | White composite profile structure | |
| CN207485283U (en) | A kind of tempered glass fire resistant doorsets | |
| CN209369650U (en) | A kind of shock resistance sound-insulating and heat-insulating wire glass | |
| CN203603399U (en) | Composite vacuum plate | |
| CN207620679U (en) | A kind of sun-shading louver glass | |
| CN204299406U (en) | A kind of fire resistant flame retardant door-plate | |
| CN202300063U (en) | Fire-proof glass heat-conduction frame and system | |
| CN205036251U (en) | Foamed ceramic thermal insulating door thermally insulated door of preventing fires | |
| CN203476110U (en) | Hollow fire-resistant glass | |
| CN2921001Y (en) | Hollow glass | |
| CN202810571U (en) | Heat-insulation fire-resistant glass door or window component | |
| CN205858079U (en) | A kind of composite fireproof glass combinative structure | |
| CN205475817U (en) | Wall structure who gives sound insulation and prevent fires | |
| CN204940632U (en) | A kind of fire preventing steel structure curtain wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150701 |