CN109024952A - A kind of compound acoustic tile - Google Patents
A kind of compound acoustic tile Download PDFInfo
- Publication number
- CN109024952A CN109024952A CN201811091454.9A CN201811091454A CN109024952A CN 109024952 A CN109024952 A CN 109024952A CN 201811091454 A CN201811091454 A CN 201811091454A CN 109024952 A CN109024952 A CN 109024952A
- Authority
- CN
- China
- Prior art keywords
- absorbing layer
- sound
- sound absorbing
- pore diameter
- layer
- 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.)
- Pending
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 13
- 239000011148 porous material Substances 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 5
- 239000010432 diamond Substances 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 14
- 238000009434 installation Methods 0.000 description 10
- 239000011358 absorbing material Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/02—Layer formed of wires, e.g. mesh
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
Abstract
The invention discloses a kind of compound acoustic tiles, including acoustic environment receiving panel, acoustic environment receiving panel is set as the first layer of plate, the sound-absorption hole of several equally distributed diamond structures is offered in its plate face, first sound absorbing layer is set below acoustic environment receiving panel, the pore diameter of first sound absorbing layer is less than the pore diameter of sound-absorption hole, second sound absorbing layer is set below the first sound absorbing layer, pore diameter of the pore diameter of second sound absorbing layer less than the first sound absorbing layer, third sound absorbing layer is set as below second sound absorbing layer, the pore diameter of pore diameter in third sound absorbing layer less than the second sound absorbing layer, the positioning counterbore being sequentially communicated is offered in the middle part of each layer, each layer is fixed by the equidistant bolt presses in insertion positioning counterbore；Present invention employs pore-sizes to reduce step by step, the hierarchical design that porosity remains unchanged, and can carry out forming mechanical energy dissipative by being converted to vibration and air damping for the sound wave of the different frequency in incoming gap, improve the scope of application of the plate of sound-absorbing.
Description
Technical field
The present invention relates to sound-absorbing material technical field, espespecially a kind of compound acoustic tile.
Background technique
Sound is derived from the vibration of object, it causes the vibration of neighbouring air and forms sound wave, and in air medium to four
Week propagates.When sound is passed to construction material surface, sound can a part be reflected, a part of penetrable material, there are also one due to
With surrounding medium friction when the vibration of construction material or sound are propagated wherein, thermal energy can be converted to by sound, sound can be depleted, i.e.,
Usually said sound is absorbed by material.The sound absorbing performance of material is removed to be had with the surface characteristics of material this body structure, thickness and material
Outside the Pass, also related with frequency with the incident direction of sound.Any material can absorb sound, and only degree of absorption has very big
It is different.It usually will be greater than 0.2 material to the average sound absorption coefficient of above-mentioned six frequencies, be classified as sound-absorbing material.Sound-absorbing material
It is mostly loose porous material, such as mineral wool, blanket, sound absorbing mechanism is the hole that sound wave gos deep into material, and hole is more
For the open pore that inside is interpenetrated, by air molecule friction and viscosity resistance, and fiber fines is made to make mechanical oscillation, from
And sound is enable to be changed into thermal energy.
The important side that noise reduction design is important building acoustics design and industrial production enterprise and traffic noise is administered
Face often needs to install appropriate silencer wall in order to manufacture more preferably reverberation effect in music hall room, in the industrial production for
Influence of the mechanicalness noise to working environment is reduced, the design of sound-absorbing noise abatement sound-absorbing is considered as.Common porous sound absorbing material can only
To the high frequency sound wave for being greater than 500Hz, sound-absorbing frequency band is narrow to limit the application range of sound-absorbing material.Existing sound-absorbing, resistant panels material
Structure is often excessively heavy, prefabricated cannot become curved surface, and the acoustical cotton orifice gap of single type and the range of path sizes are small,
The range of the frequency of absorbable noise is constrained, it is especially low to low-frequency noise acoustic absorptivity, it is not applied for noise frequency
The wide in range indoor spaces of section.
Summary of the invention
It is often excessively heavy that the technical problem to be solved by the present invention is to the structures of existing sound-absorbing, resistant panels material, sound-absorbing material
Can only be to the high frequency sound wave for being greater than 500Hz, sound-absorbing frequency band is narrow, the acoustical cotton orifice gap of single type and the range of path sizes
It is small, the range of the frequency of absorbable noise is constrained, a kind of compound acoustic tile is now provided, to solve the above problems.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of compound acoustic tile, including acoustic environment receiving panel, and acoustic environment receiving panel is set as
The first layer of plate, offers the sound-absorption hole of several equally distributed diamond structures in plate face, below acoustic environment receiving panel
First sound absorbing layer is set, and the pore diameter of the first sound absorbing layer is less than the pore diameter of sound-absorption hole, setting the below the first sound absorbing layer
Two sound absorbing layers, the pore diameter of the second sound absorbing layer are set as the below the second sound absorbing layer less than the pore diameter of the first sound absorbing layer
Three sound absorbing layers, pore diameter in third sound absorbing layer offer successively phase in the middle part of each layer less than the pore diameter of the second sound absorbing layer
Logical positioning counterbore, each layer are fixed by the equidistant bolt presses in insertion positioning counterbore.
As a preferred technical solution of the present invention, acoustic environment receiving panel with a thickness of 1-2mm, thickness is most suitable to be
1.5mm。
As a preferred technical solution of the present invention, the first sound absorbing layer and the second sound absorbing layer with a thickness of 5-7mm, it is thick
It is 6mm that degree is most suitable.
As a preferred technical solution of the present invention, which is characterized in that third sound absorbing layer with a thickness of 4-6mm, it is thick
It is 5mm that degree is most suitable.
The beneficial effects obtained by the present invention are as follows being: present invention employs pore-sizes to reduce step by step, and porosity remains unchanged
Hierarchical design, the Multi-layer design method successively decreased step by step with gap, multistage hole, the thickness for being prepared for a kind of layering is small, light
The plate of the layering of matter, it is compact-sized, frivolous, light, noise absorption frequency can be effectively widened using layered multi-stage pore structure
Rate can carry out the sound wave of the different frequency in incoming gap to form mechanical energy dissipative by being converted to vibration and air damping, this
The novel layered structure of kind improves the scope of application of the plate of sound-absorbing；It is packaged using screw and nut, it can be achieved that customizing
Splicing and installation, installation volume is smaller, and sound-absorbing is high-efficient, resistance to dust, convenient and flexible installation.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is overall structure of the present invention；
Fig. 2 is the sound-absorption hole structural schematic diagram of PVC board of the present invention；
Fig. 3 is sound-absorbing effect schematic diagram of the present invention；
Figure label: 1, acoustic environment receiving panel；11, sound-absorption hole；2, the first sound absorbing layer；3, the second sound absorbing layer；4, third
Sound absorbing layer；5, positioning counterbore.
Specific embodiment
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1: as shown in Figure 1-3, the present invention provides a kind of compound acoustic tile, including acoustic environment receiving panel 1,
Acoustic environment receiving panel 1 is set as the first layer of plate, and the sound-absorbing of several equally distributed diamond structures is offered in plate face
Hole 11, the first sound absorbing layer 2 is arranged below acoustic environment receiving panel 1, and the pore diameter of the first sound absorbing layer 2 is less than the hole of sound-absorption hole 11
The second sound absorbing layer 3 is arranged below the first sound absorbing layer 2 in gap diameter, and the pore diameter of the second sound absorbing layer 3 is less than the first sound absorbing layer 2
Pore diameter is set as third sound absorbing layer 4 below the second sound absorbing layer 3, and the pore diameter in third sound absorbing layer 4 is less than the second sound-absorbing
The pore diameter of layer 3, each layer middle part offer the positioning counterbore 5 being sequentially communicated, and each layer is by equidistant in insertion positioning counterbore 5
Bolt presses are fixed.
The mushy material that each layer of the invention such as can be used at the magnitudes size distribution ranges is substituted, can also be using more
The bigger mushy material of the porosity of thickening realizes being continuously reduced step by step for orifice gap size and porosity.
Embodiment 2: as shown in Figure 1, Figure 3, the present invention provides a kind of compound acoustic tile, mainly by acoustic environment receiving plane
Plate 1, the first sound absorbing layer 2, the second sound absorbing layer 3, third sound absorbing layer 4 are constituted；Acoustic environment receiving panel 1 uses PVC board, the first sound-absorbing
Layer 2 uses big fiber hardboard, sound using acoutic fibre board cotton layer, third sound absorbing layer 4 using overlay film wire mattress, the second sound absorbing layer 3
Environment receiving panel 1, the first sound absorbing layer 2, the second sound absorbing layer 3, third sound absorbing layer 4 are arranged successively from top to bottom, and each thickness degree is most
It fits successively are as follows: 1.5mm, 6mm, 6mm, 5mm, the acoustic tile average thickness are 20mm, are packaged using screw and nut, can be real
The splicing and installation now customized, installation volume is smaller, and sound-absorbing is high-efficient, resistance to dust, convenient and flexible installation.
Working principle: present invention comprises following four layers of different types of sound-absorbing material, first layer is thickness 1.5mm thick
Acoustic environment receiving panel 1, it is optimal to use PVC board, and diamond shape sound-absorption hole 11 is provided in PVC board, this face is acoustic environment reception
Face, while the decoration function of wall surface is played, the first sound absorbing layer 2 is that the steel wire for being 0.2mm by average diameter wraps up plastic film pressure
The overlay film wire mattress that the real average thickness formed at the wire mattress that average thickness is 6mm is 6mm, the second sound absorbing layer 3 are porous
With a thickness of the acoutic fibre board cotton layer of 6mm made of gap acoutic fibre board material cotton material, third sound absorbing layer 4 is with a thickness of the big of 5mm
Fiber hardboard, each layer hole are continuously reduced step by step, which is 20mm, compact-sized, frivolous, light, each layer
Between fixed using the compacting of equidistant bolt, curved surface can be prefabricated into as needed, be packaged using screw and nut, it can be achieved that fixed
The splicing and installation of inhibition and generation, installation volume is smaller, and sound-absorbing is high-efficient, resistance to dust, convenient and flexible installation.
Present invention employs pore-sizes to reduce step by step, the hierarchical design that porosity remains unchanged, and passs step by step with gap
The Multi-layer design method subtracted is prepared for a kind of plate of small, lightweight the layering of multistage hole, thickness of layering, compact-sized, light
It is thin, light, noise absorption frequency can be effectively widened using layered multi-stage pore structure, it can be by the different frequency in incoming gap
Sound wave carries out forming mechanical energy dissipative by being converted to vibration and air damping, and this novel layered structure improves sound-absorbing
The scope of application of plate has widened sound-absorbing frequency band, improves sound-absorbing efficiency, improves the effect of sound-absorbing, by the way that this is compound
Sound-absorbing material is pre-formed, can be widely used in the improvement of noise biggish workshop and traffic noise, for manufacturing noise
Isolation cover, sound insulation facade etc. are widely used in that noise pollution is serious and the absorbing sound and lowering noise in the serious workshop of dust.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (4)
1. a kind of compound acoustic tile, which is characterized in that including acoustic environment receiving panel (1), acoustic environment receiving panel (1) is set
It is set to the first layer of plate, the sound-absorption hole (11) of several equally distributed diamond structures is offered in plate face, acoustic environment receives
The first sound absorbing layer (2) are set below panel (1), the pore diameter of the first sound absorbing layer (2) is less than the pore diameter of sound-absorption hole (11),
The second sound absorbing layer (3) are set below first sound absorbing layer (2), the pore diameter of the second sound absorbing layer (3) is less than the first sound absorbing layer (2)
Pore diameter is set as third sound absorbing layer (4) below the second sound absorbing layer (3), and the pore diameter in third sound absorbing layer (4) is less than the
The pore diameter of two sound absorbing layers (3), each layer middle part offer the positioning counterbore (5) being sequentially communicated, and each layer is by insertion positioning counterbore
(5) the equidistant bolt presses in are fixed.
2. a kind of compound acoustic tile according to claim 1, which is characterized in that the thickness of acoustic environment receiving panel (1)
Degree is 1-2mm, and it is 1.5mm that thickness is most suitable.
3. a kind of compound acoustic tile according to claim 1, which is characterized in that the first sound absorbing layer (2) and second is inhaled
Sound-absorbing layer (3) with a thickness of 5-7mm, it is 6mm that thickness is most suitable.
4. a kind of compound acoustic tile according to claim 1, which is characterized in that third sound absorbing layer (4) with a thickness of
4-6mm, it is 5mm that thickness is most suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091454.9A CN109024952A (en) | 2018-09-19 | 2018-09-19 | A kind of compound acoustic tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091454.9A CN109024952A (en) | 2018-09-19 | 2018-09-19 | A kind of compound acoustic tile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109024952A true CN109024952A (en) | 2018-12-18 |
Family
ID=64617082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811091454.9A Pending CN109024952A (en) | 2018-09-19 | 2018-09-19 | A kind of compound acoustic tile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109024952A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114206461A (en) * | 2020-06-30 | 2022-03-18 | 法国圣戈班玻璃厂 | Sound sandwich |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11241432A (en) * | 1998-02-25 | 1999-09-07 | Yamaha Corp | Fancy veneer and sound absorbing plate having fancy veneer stuck thereon |
| JPH11350656A (en) * | 1998-06-09 | 1999-12-21 | Achilles Corp | Sound absorbing interior substrate panel |
| CN2618964Y (en) * | 2003-04-14 | 2004-06-02 | 北新建材(集团)有限公司 | Composite voice absorptive board |
| CN102776999A (en) * | 2012-06-25 | 2012-11-14 | 广州嘉庆电子有限公司 | Large-area luminous ceiling |
| CN106042541A (en) * | 2016-07-27 | 2016-10-26 | 常熟市嘉淀纺织有限公司 | Environment-friendly high-strength heat-insulating sound-absorbing foam |
| CN106760339A (en) * | 2016-12-23 | 2017-05-31 | 河北建筑工程学院 | Decoration and fire prevention integrated plate and manufacturing method thereof |
| CN206581420U (en) * | 2017-03-27 | 2017-10-24 | 东莞市东上板业有限公司 | A kind of abatvoix |
| CN206581421U (en) * | 2017-03-27 | 2017-10-24 | 开平保康建材实业有限公司 | A kind of compoiste sound-absorbing board |
| CN207620134U (en) * | 2017-12-11 | 2018-07-17 | 深圳市南方鸿达实业有限公司 | A kind of Novel acoustic board |
-
2018
- 2018-09-19 CN CN201811091454.9A patent/CN109024952A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11241432A (en) * | 1998-02-25 | 1999-09-07 | Yamaha Corp | Fancy veneer and sound absorbing plate having fancy veneer stuck thereon |
| JPH11350656A (en) * | 1998-06-09 | 1999-12-21 | Achilles Corp | Sound absorbing interior substrate panel |
| CN2618964Y (en) * | 2003-04-14 | 2004-06-02 | 北新建材(集团)有限公司 | Composite voice absorptive board |
| CN102776999A (en) * | 2012-06-25 | 2012-11-14 | 广州嘉庆电子有限公司 | Large-area luminous ceiling |
| CN106042541A (en) * | 2016-07-27 | 2016-10-26 | 常熟市嘉淀纺织有限公司 | Environment-friendly high-strength heat-insulating sound-absorbing foam |
| CN106760339A (en) * | 2016-12-23 | 2017-05-31 | 河北建筑工程学院 | Decoration and fire prevention integrated plate and manufacturing method thereof |
| CN206581420U (en) * | 2017-03-27 | 2017-10-24 | 东莞市东上板业有限公司 | A kind of abatvoix |
| CN206581421U (en) * | 2017-03-27 | 2017-10-24 | 开平保康建材实业有限公司 | A kind of compoiste sound-absorbing board |
| CN207620134U (en) * | 2017-12-11 | 2018-07-17 | 深圳市南方鸿达实业有限公司 | A kind of Novel acoustic board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114206461A (en) * | 2020-06-30 | 2022-03-18 | 法国圣戈班玻璃厂 | Sound sandwich |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |