CN217268493U - Fire-resistant type reinforcing rock wool board - Google Patents
Fire-resistant type reinforcing rock wool board Download PDFInfo
- Publication number
- CN217268493U CN217268493U CN202220915318.2U CN202220915318U CN217268493U CN 217268493 U CN217268493 U CN 217268493U CN 202220915318 U CN202220915318 U CN 202220915318U CN 217268493 U CN217268493 U CN 217268493U
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- Prior art keywords
- fixedly connected
- heat
- rock wool
- fire
- layer
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- 239000011490 mineral wool Substances 0.000 title claims abstract description 46
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 229920000742 Cotton Polymers 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 18
- 239000004917 carbon fiber Substances 0.000 claims abstract description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003973 paint Substances 0.000 claims abstract description 9
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 11
- 239000011491 glass wool Substances 0.000 claims description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004964 aerogel Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005728 strengthening Methods 0.000 abstract description 11
- 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 abstract description 9
- 239000003063 flame retardant Substances 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 210000002268 wool Anatomy 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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- Building Environments (AREA)
Abstract
The utility model discloses a fire-resistant type reinforcing rock wool board relates to the fire-resistant technical field of rock wool board, including the rock wool edition of books body, the upside fixedly connected with intensity strengthening mechanism of rock wool edition of books body, intensity strengthening mechanism includes the carbon fiber net, the horizontal wave board of upside fixedly connected with of carbon fiber net, the upside fixedly connected with flame retardant coating mechanism of intensity strengthening mechanism, flame retardant coating mechanism includes vacuum insulation board and heat absorption button mechanism. The utility model discloses a fireproof paint layer plays certain protection and isolated thermal effect, fireproof cotton stores the heat, superfine glass cotton and high silicon oxygen cotton coefficient of heat conduction are low, avoid the heat to stretch inside, the vacuum insulation board is further isolated with the heat, the heat guides the stick with heat transfer in all heat isolated layers, heat is absorbed after contacting with the powdered ore heat absorption layer, solve when external high temperature, the limited problem of the high temperature resistance ability of rock wool board, reach and improve rock wool board heat conversion ability, the effect of strengthening fire resistance.
Description
Technical Field
The utility model relates to a fire-resistant technical field of rock wool board, concretely relates to fire-resistant type reinforcing rock wool board.
Background
The rock wool board is made of basalt as main raw material, and is made up by using artificial inorganic fibre through the processes of high-temp. melting, and features light weight, small heat conductivity, heat-absorbing, non-inflammable, sound-absorbing, noise-reducing and non-corrosive. The following problems exist in the prior art:
1. the rock wool board in the prior art has low heat conductivity coefficient, is an excellent heat-insulating material and has a certain flame-retardant effect, but when the external temperature is too high, the structure of the rock wool board changes due to high temperature, so that the high-temperature resistance of the rock wool board is reduced;
2. when the rock wool board of prior art meets the power of great load such as striking, whole great deformation that takes place leads to rock wool board fracture or inner structure to loose, and structural strength is low, makes its performance that can not be fine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fire-resistant type reinforcing rock wool board to solve the problem of proposing among the above-mentioned background art.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a fire-resistant type reinforcing rock wool board, includes the rock wool edition of books body, the upside fixedly connected with intensity strengthening mechanism of rock wool edition of books body, intensity strengthening mechanism includes the carbon fiber net, the horizontal wave board of upside fixedly connected with of carbon fiber net.
The upper side fixedly connected with flame retardant coating mechanism of intensity strengthening mechanism, flame retardant coating mechanism includes vacuum insulation board and heat absorption button mechanism, heat absorption button mechanism includes the powdered ore heat-sink shell, the outside fixedly connected with heat insulating layer of powdered ore heat-sink shell.
The upper side of the fire-resistant layer mechanism is fixedly connected with a facing layer.
The utility model discloses technical scheme's further improvement lies in: the mineral powder heat absorption layer is fixedly connected with a mineral powder heat absorption layer, the outer side of the heat insulation layer is fixedly connected with a hydrophobic layer, the outer side of the hydrophobic layer is fixedly connected with a moisture-proof layer, the inner part of the mineral powder heat absorption layer is fixedly connected with a heat guiding rod, and the outer surface of the heat guiding rod is fixedly connected with the inner part of the heat insulation layer.
The utility model discloses technical scheme's further improvement lies in: the outer surface of the heat guiding rod is fixedly connected with the middle of the hydrophobic layer and the middle of the damp-proof layer, the upper side of the heat absorption button mechanism is fixedly connected with refractory cotton, and the upper side of the refractory cotton is fixedly connected with a refractory paint layer.
The utility model discloses technical scheme's further improvement lies in: the vacuum heat insulation board is characterized in that a connecting rod is fixedly connected to the outer side of the moisture-proof layer, superfine glass wool is fixedly connected to the lower side of the moisture-proof layer, high-silicon cotton is fixedly connected to the lower side of the superfine glass wool, and a vacuum heat insulation board is fixedly connected to the lower side of the high-silicon cotton.
The utility model discloses technical scheme's further improvement lies in: the outer surface of the heat guiding rod is fixedly connected with the middle part of the superfine glass wool and the middle part of the high silicon-oxygen wool, the lower side of the heat guiding rod is in lap joint with the upper side of the vacuum heat-insulating plate, and the lower side of the vacuum heat-insulating plate is fixedly connected with aerogel felt.
The utility model discloses technical scheme's further improvement lies in: the upper side fixedly connected with of horizontal wave plate connects the ball, the upside fixedly connected with vertical wave plate of connection ball, the upside fixedly connected with connecting rod of carbon fiber net, the surface of connecting rod and the inside of horizontal wave plate and the inside fixed connection of vertical wave plate.
The utility model discloses technical scheme's further improvement lies in: the utility model discloses a connection ball, including the connecting rod, the surface of connecting rod and the middle part fixed connection of connecting ball, the inside fixedly connected with beaded finish of connecting rod, the outside fixedly connected with radian stick of beaded finish, the outer fixed connection of beaded finish has the go-between, the upside fixedly connected with elasticity frame of connecting rod, the inner chamber bottom surface of elasticity frame and the downside fixed connection of carbon fiber net, the inner chamber top surface of elasticity frame and the surface of radian stick and the surface overlap joint of go-between, the inner wall of elasticity frame and the both sides fixed connection of horizontal wave board both sides and vertical wave board.
Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a fire-resistant type reinforcing rock wool board, adopt the fire-resistant paint layer, fire-resistant cotton, the connecting rod, superfine glass is cotton, high silicon oxygen cotton, heat absorption button mechanism, the vacuum insulation board, the aerogel felt, the dampproof course, the hydrophobic layer, the heat insulating layer, the cooperation of powdered ore heat-absorbing layer and heat guide rod, play certain protection and isolated thermal effect through the fire-resistant paint layer, fire-resistant cotton stores the heat, superfine glass is cotton and high silicon oxygen cotton coefficient of heat conduction is low, avoid the heat to stretch inside, the vacuum insulation board is further isolated with the heat, the heat guide rod is with in the heat transmission all heat insulating layer, the heat is absorbed after the powdered ore heat-absorbing layer, when solving outside high temperature, the limited problem of rock wool board high temperature resistance ability reaches and improves rock wool board heat conversion ability, strengthen the effect of fire resistance ability.
2. The utility model provides a fire-resistant type reinforcing rock wool board, adopt the elasticity frame, the connecting ball, the carbon fiber net, the connecting rod, the radian stick, the beaded finish, horizontal wave plate, the cooperation of vertical wave plate and go-between, form the frame through carbon fiber net and connecting rod, horizontal wave plate and the crisscross stretch-proof ability that stacks of vertical wave plate, strengthen on the horizontal plane, the connecting ball plays the effect of connecting and supporting, four connecting rods are connected to the beaded finish, two beaded finishes are connected to high silica cotton and go-between, form netted three-dimensional frame, improve inner structure's stability, when solving and meetting great loading power, rock wool board fracture or inner structure collapse's problem, reach the structural strength who improves the rock wool board, strengthen the effect of anti deformability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of several sections of the refractory layer mechanism of the present invention;
FIG. 3 is a schematic structural view of the interior of the heat absorption button mechanism of the present invention;
fig. 4 is a schematic structural view of the section of the strength reinforcing mechanism of the present invention.
In the figure: 1. a finishing layer;
2. a refractory layer mechanism; 21. a fire-resistant paint layer; 22. refractory cotton; 23. a connecting rod; 24. ultra-fine glass wool; 25. high silicon-oxygen cotton; 26. a heat absorption button mechanism; 261. a moisture barrier; 262. a hydrophobic layer; 263. a thermal insulating layer; 264. a mineral powder heat absorption layer; 265. a heat-inducing rod; 27. a vacuum insulation panel; 28. aerogel blankets;
3. a strength reinforcing mechanism; 31. an elastic frame; 32. a connecting ball; 33. a carbon fiber web; 34. a connecting rod; 35. a radian bar; 36. a reinforcement ring; 37. a transverse wave plate; 38. a vertical wave plate; 39. a connecting ring;
4. rock wool board body.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the utility model provides a fire-resistant type reinforcing rock wool board, including rock wool board body 4, the upside fixedly connected with intensity strengthening mechanism 3 of rock wool board body 4, intensity strengthening mechanism 3 includes carbon fiber net 33, the horizontal wave board 37 of upside fixedly connected with of carbon fiber net 33, the upside fixedly connected with flame retardant coating mechanism 2 of intensity strengthening mechanism 3, flame retardant coating mechanism 2 includes vacuum heat insulating board 27 and heat absorption button mechanism 26, heat absorption button mechanism 26 includes the powdered ore heat-absorbing layer 264, the outside fixedly connected with heat insulating layer 263 of powdered ore heat-absorbing layer 264, the upside fixedly connected with finish coat 1 of flame retardant coating mechanism 2.
In this embodiment, through setting up flame retardant coating mechanism 2, utilize the refractiveness of material, improve the fire-resistant ability on the basis of rock wool board, set up heat absorption button mechanism 26, will stretch to the heat subregion of inside and guide and absorb, improve the fire-resistant ability, set up intensity strengthening mechanism 3, utilize three-dimensional frame rack structure, improve structural strength, avoid receiving impaired behind great load.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the outer side of the heat insulating layer 263 is fixedly connected with a hydrophobic layer 262, the outer side of the hydrophobic layer 262 is fixedly connected with a moisture-proof layer 261, the inner part of the mineral powder heat absorbing layer 264 is fixedly connected with a heat guiding rod 265, the outer surface of the heat guiding rod 265 is fixedly connected with the inner part of the heat insulating layer 263, the outer surface of the heat guiding rod 265 is fixedly connected with the middle part of the hydrophobic layer 262 and the middle part of the moisture-proof layer 261, the upper side of the heat absorbing button mechanism 26 is fixedly connected with a refractory wool 22, the upper side of the refractory wool 22 is fixedly connected with a refractory paint layer 21, the outer side of the moisture-proof layer 261 is fixedly connected with a connecting rod 23, the lower side of the moisture-proof layer 261 is fixedly connected with an ultrafine glass wool 24, the lower side of the ultrafine glass wool 24 is fixedly connected with a high silicon wool 25, the lower side of the high silicon wool 25 is fixedly connected with a vacuum insulation board 27, the outer surface of the heat guiding rod 265 is fixedly connected with the middle part of the ultrafine glass wool 24 and the middle part of the high silicon wool 25, the lower side of the heat inducing rod 265 is overlapped with the upper side of the vacuum insulation panel 27, and the aerogel blanket 28 is fixedly connected to the lower side of the vacuum insulation panel 27.
In this embodiment, play certain protection and isolated thermal effect through refractory paint layer 21, refractory wool 22 stores the heat, superfine glass wool 24 and high silica cotton 25 coefficient of thermal conductivity are low, avoid the heat to spread inside, vacuum insulation board 27 further isolates the heat, heat guide rod 265 with heat transfer in all heat isolation layer 263, the heat is absorbed after 264 contact with the powdered ore heat-absorbing layer, when solving outside high temperature, the limited problem of the high temperature resistance ability of rock wool board, reach and improve rock wool board heat conversion ability, strengthen the effect of fire resistance.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the upper side of the transverse wave plate 37 is fixedly connected with the connecting ball 32, the upper side of the connecting ball 32 is fixedly connected with the vertical wave plate 38, the upper side of the carbon fiber net 33 is fixedly connected with the connecting rod 34, the outer surface of the connecting rod 34 is fixedly connected with the inside of the transverse wave plate 37 and the inside of the vertical wave plate 38, the outer surface of the connecting rod 34 is fixedly connected with the middle part of the connecting ball 32, the inside of the connecting rod 34 is fixedly connected with the reinforcing ring 36, the outer side of the reinforcing ring 36 is fixedly connected with the radian bar 35, the outer surface of the reinforcing ring 36 is fixedly connected with the connecting ring 39, the upper side of the connecting rod 34 is fixedly connected with the elastic frame 31, the bottom surface of the inner cavity of the elastic frame 31 is fixedly connected with the lower side of the carbon fiber net 33, the top surface of the inner cavity of the elastic frame 31 is lapped with the outer surface of the radian bar 35 and the outer surface of the connecting ring 39, and the inner wall of the elastic frame 31 is fixedly connected with the two sides of the transverse wave plate 37 and two sides of the vertical wave plate 38.
In this embodiment, form the frame through carbon fiber net 33 and connecting rod 34, horizontal wave plate 37 and vertical wave plate 38 are crisscross to be stacked, strengthen the stretch-proofing ability on the horizontal plane, connecting ball 32 plays the effect of connecting and supporting, four connecting rods 34 are connected to beaded finish 36, two beaded finish 36 are connected to high silica cotton 25 and go-between 39, form netted spatial frame, improve the stability of inner structure, when solving and meetting great loading force, the problem that rock wool board fracture or inner structure pine collapse, reach the structural strength who improves the rock wool board, the effect of reinforcing anti deformability.
The working principle of the fire-resistant reinforced rock wool panel will be described in detail below.
As shown in fig. 1 to 4, when the fire-resistant reinforced rock wool panel is used, the fire-resistant paint layer 21 plays a certain role in protecting and insulating heat, the fire-resistant cotton 22 stores the heat, the ultra-fine glass wool 24 and the high silicon wool 25 have low thermal conductivity coefficient to prevent the heat from spreading inside, the vacuum insulation panel 27 further insulates the heat, the heat guide rod 265 transfers the heat into the heat insulation layer 263, the heat is absorbed after contacting with the mineral powder heat absorption layer 264, the carbon fiber net 33 and the connecting rods 34 form a frame, the transverse waved plates 37 and the vertical waved plates 38 are stacked in a staggered manner to enhance the stretching resistance in the horizontal plane, the connecting balls 32 play a role in connection and support, the reinforcing rings 36 connect four connecting rods 34, and the high silicon wool 25 and the connecting rings 39 connect two reinforcing rings 36 to form a net-shaped three-dimensional frame, thereby enhancing the stability of the internal structure.
The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (7)
1. The utility model provides a fire-resistant type reinforcing rock wool board, includes rock wool board body (4), its characterized in that: the strength reinforcing mechanism (3) is fixedly connected to the upper side of the rock wool board body (4), the strength reinforcing mechanism (3) comprises a carbon fiber net (33), and a transverse wave board (37) is fixedly connected to the upper side of the carbon fiber net (33);
the upper side of the strength reinforcing mechanism (3) is fixedly connected with a fire-resistant layer mechanism (2), the fire-resistant layer mechanism (2) comprises a vacuum heat insulation plate (27) and a heat absorption button mechanism (26), the heat absorption button mechanism (26) comprises a mineral powder heat absorption layer (264), and the outer side of the mineral powder heat absorption layer (264) is fixedly connected with a heat insulation layer (263);
the upper side of the fire-resistant layer mechanism (2) is fixedly connected with a facing layer (1).
2. The fire-resistant reinforced rock wool panel as recited in claim 1, wherein: the outer side of the heat insulation layer (263) is fixedly connected with a hydrophobic layer (262), the outer side of the hydrophobic layer (262) is fixedly connected with a moisture-proof layer (261), the inner part of the mineral powder heat absorption layer (264) is fixedly connected with a heat guide rod (265), and the outer surface of the heat guide rod (265) is fixedly connected with the inner part of the heat insulation layer (263).
3. The fire-resistant reinforced rock wool panel as recited in claim 2, wherein: the outer surface of the heat guiding rod (265) is fixedly connected with the middle of the hydrophobic layer (262) and the middle of the moisture-proof layer (261), the upper side of the heat absorbing button mechanism (26) is fixedly connected with refractory cotton (22), and the upper side of the refractory cotton (22) is fixedly connected with a refractory paint layer (21).
4. The fire-resistant reinforced rock wool panel as recited in claim 2, wherein: the utility model discloses a solar energy collector, including dampproof course (261), the outside fixedly connected with connecting rod (23) of dampproof course (261), the downside fixedly connected with superfine glass cotton (24) of dampproof course (261), the downside fixedly connected with high silicon oxygen cotton (25) of superfine glass cotton (24), the downside fixedly connected with vacuum insulation board (27) of high silicon oxygen cotton (25).
5. The fire-resistant reinforced rock wool panel as recited in claim 2, wherein: the outer surface of the heat guiding rod (265) is fixedly connected with the middle part of the superfine glass wool (24) and the middle part of the high silicon cotton (25), the lower side of the heat guiding rod (265) is in lap joint with the upper side of the vacuum heat insulation board (27), and the lower side of the vacuum heat insulation board (27) is fixedly connected with an aerogel felt (28).
6. The fire-resistant reinforced rock wool panel as recited in claim 1, wherein: the upside fixedly connected with of horizontal wave board (37) connects ball (32), the vertical wave board of upside fixedly connected with (38) of connecting ball (32), upside fixedly connected with connecting rod (34) of carbon fiber net (33), the inside of the surface and horizontal wave board (37) of connecting rod (34) and the inside fixed connection of vertical wave board (38).
7. The fire-resistant reinforced rock wool panel as recited in claim 6, wherein: the utility model discloses a connection ball, including the middle part fixed connection of the surface of connecting rod (34) and connection ball (32), the inside fixedly connected with beaded finish (36) of connecting rod (34), the outside fixedly connected with radian stick (35) of beaded finish (36), the outer fixed surface of beaded finish (36) is connected with go-between (39), the upside fixedly connected with elasticity frame (31) of connecting rod (34), the inner chamber bottom surface of elasticity frame (31) and the downside fixed connection of carbon-fibre net (33), the outer surface of the inner chamber top surface of elasticity frame (31) and radian stick (35) and the outer surface overlap joint of go-between (39), the inner wall of elasticity frame (31) and the both sides fixed connection of horizontal wave board (37) both sides and vertical wave board (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220915318.2U CN217268493U (en) | 2022-04-20 | 2022-04-20 | Fire-resistant type reinforcing rock wool board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220915318.2U CN217268493U (en) | 2022-04-20 | 2022-04-20 | Fire-resistant type reinforcing rock wool board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217268493U true CN217268493U (en) | 2022-08-23 |
Family
ID=82875507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220915318.2U Expired - Fee Related CN217268493U (en) | 2022-04-20 | 2022-04-20 | Fire-resistant type reinforcing rock wool board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217268493U (en) |
-
2022
- 2022-04-20 CN CN202220915318.2U patent/CN217268493U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |