CN212336365U - Shockproof sound insulation heat preservation partition plate - Google Patents
Shockproof sound insulation heat preservation partition plate Download PDFInfo
- Publication number
- CN212336365U CN212336365U CN202020808341.2U CN202020808341U CN212336365U CN 212336365 U CN212336365 U CN 212336365U CN 202020808341 U CN202020808341 U CN 202020808341U CN 212336365 U CN212336365 U CN 212336365U
- Authority
- CN
- China
- Prior art keywords
- sound
- fire
- proof
- thickness
- rock wool
- 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.)
- Active
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model provides a heat preservation partition plate gives sound insulation takes precautions against earthquakes, this heat preservation partition plate gives sound insulation takes precautions against earthquakes includes rock wool (1), fire-retardant splint (2) and fire-resistant paper face gypsum board (3) that set up from inside to outside, wherein, still be provided with polyurethane fiber abatvoix (4) and deadening felt (5) between rock wool (1) and fire-retardant splint (2). The shockproof sound-proof heat-insulation partition board has the advantages of heat insulation, sound insulation, shock resistance, fire resistance, safety, stability, economy, energy conservation and the like, and is suitable for wide popularization and application in the industry.
Description
Technical Field
The utility model relates to a partition wall structure, concretely relates to partition wall board with shockproof sound insulation heat preservation function.
Background
With the continuous development of the building industry, the living space of human beings is improved, and the requirements on the comfort level, the quietness and the privacy density of the space are higher and higher. In the past, the public building spaces or special spaces such as movie theaters, multi-functional halls, conference rooms and the like are often subjected to acoustic treatment, but the sound insulation or noise elimination treatment is rarely performed on common rooms, the acoustic treatment of the former is different from the acoustic treatment of the latter, the former mainly aims at meeting the reverberation time in halls to obtain excellent acoustic effects, and the latter aims at isolating the influence of external noise as much as possible and avoiding the influence of the noise generated by the former on adjacent rooms.
In order to realize the internal partition of a building, the traditional internal partition wall is constructed by using an old brick wall or a block wall, and the process comprises a plurality of procedures of slurry mixing, brick laying, plastering and the like, so that the process is labor-consuming and time-consuming, poor in flatness, high in density, heavy in weight and insufficient in construction efficiency.
To the problem of traditional interior partition wall, also comparatively frivolous partition wall has now appeared. For example, CN201220370621 discloses a rock wool partition board, which adopts a structure that fire-proof plates are bonded on two sides of a rock wool plate, and has the effects of heat preservation, heat insulation, fire prevention and sound insulation, and increases the use area of a building. However, in the actual decoration and finishing construction process, because the partition wall is internally provided with electric pipelines and the like, gaps or cavities inevitably occur, and the effects of sound insulation, heat preservation and the like are influenced. In addition, the existing indoor sound insulation structure is not attractive in structure and poor in sound insulation effect because the sound insulation material is directly attached to the wall body through the fastening piece, and the existing indoor sound insulation structure can additionally occupy indoor space and is difficult to adapt to occasions with high requirements on decoration.
Due to the above problems, there is a need to develop a partition wall structure having heat preservation, sound insulation and shock absorption functions and being suitable for use in the interior space of a building.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect among the prior art, provide a heat preservation sound insulation, shockproof fire-resistant, the shockproof sound insulation heat preservation partition plate that stabilizes, economic and energy saving.
In order to achieve the above object, the utility model provides a heat preservation partition plate gives sound insulation takes precautions against earthquakes, its rock wool 1 that sets up from inside to outside, fire-retardant splint 2 and fire-resistant paper face gypsum board 3, wherein, still be provided with polyurethane fiber abatvoix 4 and deadening felt 5 between rock wool 1 and the fire-retardant splint 2.
The rock wool is an inorganic fiber board which is made of basalt serving as a main raw material through high-temperature melting processing, and has the characteristics of light weight, small heat conductivity coefficient, flame retardance, shock absorption, sound absorption and the like. The fire-retardant plywood is a three-layer or multi-layer plate material which is made up by rotary cutting wood into single boards or slicing wood into thin wood, fire-retardant treating the single boards and then gluing them with adhesive, and is made up by using odd number of layers of single boards and making the fibre directions of adjacent layers of single boards mutually perpendicular. The fire-resistant paper-surface gypsum board is also called fire-resistant paper-surface gypsum board, comprises a gypsum board core, fire-resistant glass fiber and a face-protecting paper, and is suitable for occasions such as partition walls, elevators, stair passages and the like with fire-resistant performance requirements. The polyurethane fiber sound-absorbing board is a decorative material which is prepared by taking polyurethane fiber as a raw material and performing hot press molding and has the sound-absorbing function, and has the characteristics of heat preservation, flame retardance, light weight, easiness in processing and the like. The sound-proof felt is a high-density coiled material which is made of rubber, high polymer materials and the like as main raw materials and has certain flexibility, and has the characteristics of sound insulation, shock absorption and the like.
According to the utility model discloses a shockproof sound insulation heat preservation partition plate, wherein, certainly 1 outside of rock wool sets gradually polyurethane fiber abatvoix 4, deadening felt 5, fire-retardant splint 2 and fire-resistant paper face gypsum board 3. The utility model discloses in, can bond polyurethane fiber abatvoix and fix on the rock wool or on partition wall fossil fragments basic unit, then bond components such as deadening felt, fire-retardant splint and fire-resistant thistle board in proper order. The utility model discloses a shockproof sound insulation heat preservation partition plate can be with the symmetric structure that rock wool is the center, and rock wool is located partition plate's intermediate position promptly to set gradually from rock wool to partition wall both sides polyurethane fiber abatvoix, deadening felt, fire-retardant splint and fire-resistant paper face gypsum board.
According to the utility model discloses a shockproof sound insulation heat preservation partition plate, wherein, rock wool 1's unit weight is 60 ~ 120kg/m3The thickness is 50-70 mm. The thickness of rock wool can be adjusted according to the shape and the size of partition wall fossil fragments material. For example, when U-shaped light gauge steel is selected, the thickness of the rockwool may not be greater than the width of the keel, so that it can be embedded into the recess of the U-shaped keel to reduce the gap.
According to the utility model discloses a heat preservation partition plate gives sound insulation takes precautions against earthquakes, wherein, the thickness of fire-retardant splint 2 is 8 ~ 12mm, the thickness of refractory paper face gypsum board 3 is 9.5 ~ 15 mm.
According to the utility model discloses a heat preservation partition plate gives sound insulation takes precautions against earthquakes, wherein, the thickness of fire-retardant splint 2 is 10mm, the thickness of fire-resistant paper face gypsum board 3 is 12mm, fire-resistant paper face gypsum board 3 is the bilayer. Adopt double-deck fire-resistant paper gypsum board can make the partition wall structure more firm, promote heat preservation, syllable-dividing effect to can effectively avoid seam crossing fracture, the surface smoothness is better.
According to the utility model discloses a shockproof syllable-dividing heat preservation partition plate, wherein, polyurethane fiber abatvoix 4's thickness is 1 ~ 15mm, deadening felt 5's thickness is 1 ~ 5 mm.
According to the utility model discloses a shockproof syllable-dividing heat preservation partition plate, wherein, polyurethane fiber acoustic panel 4's thickness is 6 ~ 10mm, deadening felt 5's thickness is 3mm, rock wool 1's unit weight is 80kg/m3。
According to the utility model discloses a shockproof sound insulation heat preservation partition plate, wherein, deadening felt 5 is damping deadening felt, damping deadening felt includes rubber layer and non-woven fabrics layer. The rubber layer can adopt EPDM rubber, namely ethylene propylene diene monomer rubber. The damping sound-proof felt is soft, high in tensile strength and easy to install, and has the characteristics of good wide-frequency-band sound-proof performance, high damping performance, moisture resistance, high temperature resistance and the like.
According to the utility model discloses a heat preservation partition plate gives sound insulation takes precautions against earthquakes, wherein, heat preservation partition plate gives sound insulation takes precautions against earthquakes still includes fossil fragments basic unit, fossil fragments basic unit is the box structure of compriseing a plurality of vertical fossil fragments 6 and horizontal card shelves fossil fragments 7, vertical fossil fragments 6 all adopt U type light gauge steel with horizontal card shelves fossil fragments 7. As will be readily understood by those skilled in the art, the keel base is generally located on the interior of the panel, often in a central location of the panel.
According to the utility model discloses a heat preservation partition plate gives sound insulation takes precautions against earthquakes, wherein, U type light gauge steel's specification is 75mm x 50mm x 0.6 ~ 1.0mm, horizontal card shelves fossil fragments 7 use and take out heart rivet or bolt fastening in vertical fossil fragments 6. The specification of the U-shaped light gauge steel may be expressed as a width x a height of both side edges x a thickness.
Based on the technical scheme, the utility model discloses a shockproof syllable-dividing heat preservation partition plate has but not limited to following beneficial effect:
1. the utility model discloses a partition plate adopts light gauge steel gypsum board partition wall construction process technique, not only can be used to partition wall, branch family, give sound insulation etc to because of its inside rock wool, polyurethane fiber abatvoix, deadening felt and fire-retardant splint isotructure that contains and set up with specific order, its sound insulation, sound absorbing effect obtain the reinforcing, have simultaneously that keep warm, insulate against heat, shock attenuation, fire prevention etc. characteristic concurrently, more accord with the space user demand of current user to privacy nature, travelling comfort, multifunctionality.
2. The utility model discloses a partition plate light in weight and intensity are high. The self weight of the gypsum board is generally 6-12 Kg per square meter, and the weight of the partition board is about 23Kg per square meter by taking the light steel keel as the base layer of the wallboard, and the weight of the partition board is only about 1/10 of the common brick wall. Meanwhile, the light steel keel and the paper-faced gypsum board are used as materials of the partition board, the strength of the partition board can meet the requirement, and the longitudinal fracture load of the paper-faced gypsum board with the thickness of 12mm can reach more than 500N. In addition, the thickness of the partition wall is thinner than that of a brick wall, and the occupied area is smaller, so that the indoor use area is correspondingly increased.
3. Compare in the secondary structure wall of ordinary brick and concrete class, the utility model discloses a partition plate has avoided reserving the built-in picks chisel that causes because of water and electricity, and the leveling operation of plastering that goes on because of the surface course is decorated the way to and whitewash the operation such as gypsum, the putty of architectural surface, not only the construction is swift from this, the time limit for a project shortens, installs and removes convenience, cost reduction, has higher economic benefits, and easier as required combination moreover, the space is divided in a flexible way, and application scenario scope is more extensive.
4. The utility model discloses a production energy consumption of partition plate adopted gypsum board etc. is very low to the construction is taken dry operation as the owner, and the site pollution is little, and resources are saved avoids extravagant, and energy-concerving and environment-protective benefit is good, is fit for extensively using widely in the trade.
Drawings
Embodiments of the present invention are described in detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view showing the structure of the shockproof sound-proof thermal-insulation partition board of the present invention in a longitudinal section;
description of reference numerals:
1. rock wool; 2. a flame-retardant splint; 3. fire-resistant paper-faced gypsum board; 4. polyurethane fiber acoustic panels; 5. a sound-deadening felt; 6. a vertical keel; 7. and a transverse blocking keel.
Detailed Description
The invention is further illustrated by the following specific examples, but it should be understood that these examples are for illustrative purposes only and are not to be construed as limiting the invention in any way. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art as the case may be.
The vibration-proof sound-proof thermal insulation partition board of the present invention will be described with reference to fig. 1.
As shown in figure 1, the utility model discloses a shockproof sound insulation heat preservation partition plate includes rock wool 1, fire-retardant splint 2, fire-resistant paper face gypsum board 3, polyurethane fiber acoustic panel 4 and deadening felt 5. In one embodiment, the partition board is provided with rock wool 1, a polyurethane fiber sound-absorbing board 4, a sound-insulating felt 5, a flame-retardant splint 2 and a fire-resistant paper-surface gypsum board 3 from inside to outside in sequence.
Wherein the volume weight of the rock wool 1 can be 60-120 kg/m3It may be preferably 80kg/m3. The thickness of rock wool can be 50 ~ 70mm, and specific thickness can be adjusted according to the shape and the size of the fossil fragments material of partition plate to make rock wool and fossil fragments combine more closely, reduce unnecessary space.
The thickness of the polyurethane fiber sound-absorbing board 4 can be 1-15 mm, and can be preferably 6-10 mm. The thickness of the deadening felt 5 may be 1 to 5mm, and may preferably be 3 mm. In one embodiment, the deadening felt may be a damping deadening felt, for example, which may comprise an EPDM rubber layer and a nonwoven fabric layer.
The thickness of the flame-retardant splint 2 can be 8-12 mm, and can be preferably 10 mm. The thickness of the refractory paper-surface gypsum board 3 can be 9.5-15 mm, and can be preferably 12 mm. The refractory paper-faced gypsum board may be a single layer or a double layer, and may preferably be a double layer.
The utility model discloses a shockproof sound insulation heat preservation partition plate can also include fossil fragments basic unit, and this fossil fragments basic unit includes the box structure that vertical fossil fragments of a plurality of 6 and horizontal card shelves fossil fragments 7 are constituteed. In one embodiment, the vertical keels and the transverse retaining keels may both be U-shaped light gauge steel. In a further preferred embodiment, the specification of the U-shaped light steel keel can be 75mm multiplied by 50mm multiplied by 0.6-1.0 mm. According to actual needs, the vertical keels and the transverse blocking keels can be U-shaped light steel keels with the same specification or different specifications. The transverse retaining keel may be secured to the vertical keel using a pop rivet or bolt.
Those skilled in the art will readily appreciate that several cavities may be provided in the partition wall panel as required for installing electrical lines, electrical boxes, etc., for example, the cavities may be provided in rock wool.
The utility model discloses a shockproof syllable-dividing heat preservation partition plate's essential element can carry out prefabricated production in batches in the mill. Those skilled in the art can select an appropriate production flow and installation flow according to the structure of the present invention. As an example, the production and installation process may include the following steps:
(1) making a flame-retardant splint, a fire-resistant paper-surface gypsum board, a polyurethane fiber acoustic board and a sound-proof felt: according to the design construction drawing, the components can be prefabricated and produced in a factory, so that a large amount of dust generated by field cutting and manufacturing can be reduced, and the construction efficiency is improved.
(2) Manufacturing a vertical keel and a transverse blocking keel: according to the design construction drawing, the U-shaped light steel keels with required size and quantity can be cut out in a factory to prefabricate the vertical keels and the transverse blocking keels. The two can adopt U-shaped light steel keels with the same specification or different specifications.
(3) Paying off: according to the design construction drawing, partition position lines, door and window opening frame lines and the like can be released on the finished ground or a floor sleeper belt.
(4) Installing along the top keel and along the ground keel: and respectively fixing the top keel and the ground keel on the top surface and the ground according to the position line of the placed partition wall. The nail-shooting fixing can be used, and the nail-shooting distance can be 600 mm. If the partition wall is provided with the door and window openings, the frame of the door and window openings can be installed and fixed firstly.
(5) Installing a keel base layer: the vertical keel is graded according to the specification of the fire-resistant paper-surface gypsum board, for example, for the fire-resistant paper-surface gypsum board with the board width of 900mm or 1200mm, the grading specification size of the vertical keel can be 450 mm; then according to the position of stepping, insert along top keel and along the keel of ground upper and lower both ends of the vertical keel, after adjusting vertically and positioning accurately, fix with the rivet of drawing core, if the vertical keel close to wall or column edge, can fix with wall, column with shooting the nail or wood screw, the nail distance can be 1000 mm; and then the transverse blocking keel is installed, and the transverse blocking keel can be fixed on the vertical keel by using a drawing rivet or a bolt.
(6) Installing a polyurethane fiber acoustic board, a sound-proof felt, a flame-retardant clamping plate and a fireproof paper-faced gypsum board on one side of the partition board: the partition wall is provided with no door and window openings and is installed from one end of the partition wall plate; the door and window opening is arranged from the door and window opening. The fire-resistant paper-surface gypsum board can be fixed by self-tapping screws generally, the distance between the edges of the board can be 200mm, the distance between the middle of the board can be 300mm, and the distance between the screw and the edge of the gypsum board is not less than 10mm and not more than 16mm generally. Preferably, the polyurethane fiber acoustical panel, acoustical blanket, and paper-faced gypsum board may be secured against the keel base layer with self-tapping screws. The refractory paper-faced gypsum board may be double-layered. Preferably, the joints of the two layers of fire-resistant paper-faced gypsum board are offset from each other.
(7) Filling rock wool: can install equipment such as electric pipeline, electricity box, electronic box in the partition plate earlier according to the design, then pack the rock wool, can minimize the space during filling.
(8) Installing a plate on the other side of the partition plate: two layers of refractory paper-faced gypsum board may be installed on the other side of the partition board, preferably with their seams staggered from one another. If the longitudinal section of the partition board is basically a symmetrical structure taking rock wool as the center, a polyurethane fiber sound absorption board, a sound insulation felt, a flame-retardant splint and a fire-resistant paper-faced gypsum board are arranged on the other side of the partition board. The installation requirements are substantially the same as the corresponding ones in step (6). Preferably, the joints of the fire-resistant paper-faced gypsum boards on both sides of the partition wall board are offset from each other. From this obtain the utility model discloses a shockproof sound insulation heat preservation partition plate.
Those skilled in the art can easily understand that various decorative surfaces can be made on the shockproof sound-insulation heat-preservation partition plate to meet specific visual decoration requirements according to actual design requirements.
Although the present invention has been described to a certain extent, it is apparent that appropriate changes in various conditions may be made without departing from the spirit and scope of the invention. It will be understood that the embodiments described above are exemplary and non-limiting, and that the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Furthermore, any reference signs in the claims shall not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a heat preservation partition plate gives precautions against earthquakes sound insulation, which characterized in that, the heat preservation partition plate gives precautions against earthquakes sound insulation includes rock wool (1), fire-retardant splint (2) and fire-resistant paper face gypsum board (3) that set up from inside to outside, wherein, still be provided with polyurethane fiber acoustic panel (4) and deadening felt (5) between rock wool (1) and fire-retardant splint (2).
2. The quakeproof, sound-proof and thermal-insulation partition board according to claim 1, wherein the polyurethane fiber sound-absorbing board (4), the sound-insulating felt (5), the flame-retardant plywood (2) and the fire-resistant paper-faced gypsum board (3) are arranged in this order from the rock wool (1) to the outside.
3. The quakeproof, sound-proof and thermal-insulation partition board as claimed in claim 1, wherein the rock wool (1) has a volume weight of 60-120 kg/m3The thickness is 50-70 mm.
4. The quakeproof, sound-proof and heat-insulating partition board as claimed in claim 1, wherein the thickness of the flame-retardant plywood (2) is 8-12 mm, and the thickness of the fire-resistant paper-surface gypsum board (3) is 9.5-15 mm.
5. The quakeproof, sound-proof and thermal-insulation partition board according to claim 4, wherein the thickness of the fire-retardant plywood (2) is 10mm, the thickness of the fire-resistant paper-surface gypsum board (3) is 12mm, and the fire-resistant paper-surface gypsum board (3) is double-layered.
6. The quakeproof, sound-proof and heat-insulating partition board according to claim 1, wherein the thickness of the polyurethane fiber sound-absorbing board (4) is 1-15 mm, and the thickness of the sound-insulating felt (5) is 1-5 mm.
7. The quakeproof, sound-proof and heat-insulating partition board according to claim 6, wherein the polyurethane fiber sound-absorbing board (4) is 6-10 mm thick, the sound-insulating felt (5) is 3mm thick, and the rock wool (1) has a volume weight of 80kg/m3。
8. The vibration-proof, sound-proof, thermal insulation partition board according to claim 1, wherein the deadening felt (5) is a damping deadening felt comprising a rubber layer and a non-woven fabric layer.
9. The quake-proof, sound-proof and heat-preservation partition board according to any one of claims 1 to 8, further comprising a keel base layer, wherein the keel base layer is a cellular structure composed of a plurality of vertical keels (6) and transverse blocking keels (7), and the vertical keels (6) and the transverse blocking keels (7) are both made of U-shaped light steel keels.
10. The quakeproof, sound-insulation and heat-preservation partition plate according to claim 9 is characterized in that the specification of the U-shaped light steel keel is 75mm x 50mm x 0.6-1.0 mm, and the transverse blocking keel (7) is fixed to the vertical keel (6) through a drawing rivet or a bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020808341.2U CN212336365U (en) | 2020-05-15 | 2020-05-15 | Shockproof sound insulation heat preservation partition plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020808341.2U CN212336365U (en) | 2020-05-15 | 2020-05-15 | Shockproof sound insulation heat preservation partition plate |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212336365U true CN212336365U (en) | 2021-01-12 |
Family
ID=74082378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020808341.2U Active CN212336365U (en) | 2020-05-15 | 2020-05-15 | Shockproof sound insulation heat preservation partition plate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212336365U (en) |
-
2020
- 2020-05-15 CN CN202020808341.2U patent/CN212336365U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5296600B2 (en) | Partition wall structure | |
US20190249425A1 (en) | Multifunctional ceiling structure | |
RU2721615C1 (en) | Sound-absorbing structure and soundproof room | |
CN212336428U (en) | Energy-saving heat-preservation partition wall based on BIM technology | |
KR100970239B1 (en) | Panel for the external wall of building | |
CN212336365U (en) | Shockproof sound insulation heat preservation partition plate | |
CN106351398B (en) | A kind of light fireproof sound-insulating assembled wall board | |
RU2704993C2 (en) | Energy-efficient fire-resistant multilayer insulating panel | |
CN212613191U (en) | Energy-saving heat-preservation type light partition wall structure | |
CN215483741U (en) | Effectual antidetonation wallboard gives sound insulation for house | |
JPH10292610A (en) | Sound-proof floor structure | |
CN210395745U (en) | Partition wall structure in light flame retardant chamber | |
JPH11280172A (en) | Exterior finish material attaching construction | |
KR100495041B1 (en) | A building material having dust prevention, sound-proofing and adiabatic function, a floor structure provided the same | |
CN111827521A (en) | Fire-resistant sound insulation composite wall | |
CN109296114B (en) | A kind of light-duty wooden sound insulation wall system and its manufacturing method | |
CN112681605A (en) | Organic-inorganic composite structure heat-insulation and decoration integrated inner wallboard and preparation and installation method | |
CN114382193A (en) | Modular transformer substation sound insulation composite wallboard | |
CN206128440U (en) | Light fire prevention is given sound insulation and is made up wallboard | |
RU220132U1 (en) | BUILDING SOUND INSULATION BLOCK | |
CN220365173U (en) | Fireproof sound insulation light steel keel partition wall | |
KR20100093715A (en) | A interior decoration mertrial having soundproof and thermal insulation | |
CN216740267U (en) | Hollow partition plate and building wallboard provided with same | |
CN215290966U (en) | Novel inorganic heat preservation wallboard | |
EP0322381A2 (en) | Composite sound-deadening structure for the building industry |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |