CN110786713A - Combined type sound insulation curtain - Google Patents
Combined type sound insulation curtain Download PDFInfo
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- CN110786713A CN110786713A CN201910449309.1A CN201910449309A CN110786713A CN 110786713 A CN110786713 A CN 110786713A CN 201910449309 A CN201910449309 A CN 201910449309A CN 110786713 A CN110786713 A CN 110786713A
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- 238000009413 insulation Methods 0.000 title claims abstract description 50
- 239000010410 layer Substances 0.000 claims abstract description 135
- 239000002346 layers by function Substances 0.000 claims abstract description 30
- 229920000742 Cotton Polymers 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000002940 repellent Effects 0.000 claims description 2
- 239000005871 repellent Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
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- 231100000252 nontoxic Toxicity 0.000 abstract description 2
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- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
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Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H23/00—Curtains; Draperies
- A47H23/02—Shapes of curtains; Selection of particular materials for curtains
- A47H23/08—Selection of particular materials
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H23/00—Curtains; Draperies
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin 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
- 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
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
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- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- 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
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0246—Acrylic resin fibres
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention relates to the field of noise control, and discloses a composite sound-proof curtain which comprises at least one sound-proof curtain unit, wherein each sound-proof curtain unit comprises a decorative surface layer and a functional layer, the functional layer is positioned on the back of the decorative surface layer, and the functional layer is movably connected with the decorative surface layer; the functional layer is composed of a first layer, a second layer, a third layer and a fourth layer in sequence, the first layer is located on one side exposed in the environment for an antifouling layer, the second layer is located on the inner side of the first layer material for a polyester fiber sound-absorbing cotton layer, the third layer is located on the inner side of the second layer for an acrylic felt layer, and the fourth layer is located on one side close to the decorative layer for a light shading layer. The invention has the advantages that: simple structure is reasonable, makes and processes portably, and the installation is convenient during the use, and simultaneously, this combined type sound insulation curtain adopts the environmental protection material preparation, and is nontoxic pollution-free, not only has fine syllable-dividing function, still has advantages such as shading, heat preservation, unpick and wash convenience, privacy are good concurrently.
Description
Technical Field
The invention belongs to the field of civil noise control, and particularly relates to a composite sound-proof curtain for noise control in home life, entertainment and office places.
Background
In recent years, with the enhancement of the supervision of various environmental problems in China, the environmental awareness of residents is gradually improved, and various noise problems are more and more emphasized. The traffic noise problem is particularly prominent for urban residents. Research and investigation show that the window belongs to a weak link of a household noise environment, in other words, the reason for causing the household noise problem of residents is that the sound insulation quantity of the household window is insufficient. The current methods for solving the noise problem are as follows: one is to replace the soundproof window, and the other is to use auxiliary reforming materials (such as soundproof curtain, soundproof cloth, etc.). However, due to the residential areas and buildings which are long in the construction period, the problems of construction period, construction difficulty and safety exist when windows are replaced. Therefore, the method for replacing the soundproof window is not ideal for the sound environment modification of the old community with a large area. As a part of home decoration, a window covering is indispensable, and studies on sound insulation performance have been increasingly focused, and such a window covering is acoustically defined as a sound insulation window covering. Although some curtains for solving the noise problem appear on the market, most curtains cannot solve the living and traffic noise with higher noise level, or the curtains are too complicated in structural design and the used sound absorption and insulation filling materials are not environment-friendly enough, so that certain harm is inevitably caused to people living in the curtains after long-term use.
The inventor finds that the noise sensitivity to higher frequency is larger, and the traditional curtain or the existing sound insulation curtain at present has at least the following disadvantages in the using process: the traditional curtain mainly plays roles of decoration and shading, and basically has no sound insulation function; meanwhile, the sound insulation curtain sold in the market at present is inconvenient to clean, the sound insulation effect is greatly reduced after cleaning, and the sound insulation effect on high-frequency noise is poor.
Disclosure of Invention
In order to overcome the technical problems, the invention provides the composite sound insulation curtain which is convenient to clean and has good sound insulation effect.
In order to achieve the above object, the present invention is achieved by the following means.
A composite sound-proof curtain comprises at least one sound-proof curtain unit, wherein each sound-proof curtain unit comprises a facing layer and a functional layer, the functional layer is positioned on the back of the facing layer, and the functional layer is movably connected with the facing layer; the functional layer is composed of a first layer, a second layer, a third layer and a fourth layer in sequence, the first layer is located on one side exposed in the environment for an antifouling layer, the second layer is a polyester fiber sound-absorbing cotton layer and located on the inner side of a first layer material, the third layer is an acrylic felt layer and located on the inner side of the second layer, and the fourth layer is located on one side close to the decorative surface layer for a light shading layer. The sound insulation functional layer is arranged independently and movably linked to the back of the finish coat, so that the finish coat can be cleaned after being disassembled conveniently; the antifouling layer is established and is being outmost to guarantee that the functional layer does not receive the dirty influence of water gasoline, only need during clean with wet rag clean can, polyester fiber inhales the cotton layer of sound and can eliminate, the high frequency noise, acrylic fiber layer can effectively eliminate in, low frequency noise, consequently when the noise passes through the sound-proof curtain from the external world, at first inhale the cotton layer of sound through polyester fiber and can effectively reduce the total energy of noise thereby make and pass the second layer material and polyester fiber inhales the noise energy decline on the cotton layer of sound promptly, when reacing the third layer and acrylic felt layer promptly, because the total energy of noise descends, thereby be favorable to improving acrylic felt layer's noise barrier. The matching use of the polyester fiber sound-absorbing cotton and the acrylic felt can effectively eliminate most of noise in road noise and social life noise, so that the sound insulation effect is achieved, and the light transmission can be eliminated by the light shading layer tightly attached to the decorative layer.
Furthermore, the back of the decorative layer is provided with a connecting part connected with the functional layer, the functional layer is provided with a connecting part matched with the connecting part, and the functional layer is connected with the decorative layer through the connecting part.
And furthermore, the connecting part is positioned at the periphery of the back surface of the veneer layer.
Further, the connecting part and the connecting piece are matched zippers or buttons or magnetic materials.
Further the first layer is an oil and water repellent cloth having a weight per square meter of 70 to 100 grams.
Further the second layer is a polyester fiber sound absorbing cotton layer with a weight of 220 g to 400 g per square meter.
Further the third layer is an acrylic felt layer having a weight of 300 to 500 grams per square meter.
The fourth layer is a shade cloth, and the weight of each square meter is 70-100 g.
An EVA sound insulating film is further arranged between the first layer and the second layer. The EVA sound insulation film has good ductility and environmental protection; the sound insulation quantity can be increased, and particularly in a high-frequency range, the sound insulation quantity can be obviously increased.
And a pendant is further arranged at the bottom of the decorative layer. Set up the mounting groove bottom the facing layer, the mounting groove becomes the through-hole rectangular form, and the installation that can fill inside hangs down the thing, hangs down the thing and chooses for use the material that small weight is big for use. The installation falls the thing and can increase the sense of hanging down of (window) curtain, makes the sound insulation curtain more pleasing to the eye when using, simultaneously, can also increase the sound insulation volume of sound insulation curtain to a certain extent.
Has the advantages that: compared with the prior art, the invention has the advantages that: simple structure is reasonable, makes and processes portably, and the installation is convenient during the use, and simultaneously, this combined type sound insulation curtain adopts the environmental protection material preparation, and is nontoxic pollution-free, not only has fine syllable-dividing function, still has advantages such as shading, heat preservation, unpick and wash convenience, privacy are good concurrently.
Drawings
FIG. 1 is a schematic front view of a composite acoustical panel according to an embodiment of the present invention;
FIG. 2 is a schematic rear view of a composite acoustical panel according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of FIG. 2;
FIG. 4 is a schematic view of the back side of a veneer layer according to an embodiment of the invention;
FIG. 5 is an enlarged partial schematic view of FIG. 4;
FIG. 6 is a schematic front view of a functional layer of an embodiment of the present invention;
fig. 7 is a schematic view of a sectional structure of a functional layer of an embodiment of the present invention.
101, functional layer; 102. a connecting member; 103. a connecting portion; 105. a finishing layer; 107. a drop; a, an antifouling layer; b. a polyester fiber sound-absorbing cotton layer; c. an acrylic felt layer; d. and a light shielding layer.
Detailed Description
The present invention will be described in further detail with reference to examples. The raw materials used in the invention are all commercial products. Sound insulation test the third part of the sound insulation measurement of acoustic building and construction elements is according to the national standard GB/T19889.3-2005: laboratory measurements of building component air sound insulation "; sound insulation test site: a sound insulation laboratory.
Example 1
As shown in fig. 1 to 7, a composite soundproof curtain is a soundproof curtain unit including a finishing layer 105 and a functional layer 101. The functional layer 101 is positioned on the back of the veneer layer 105, and the functional layer 101 is movably connected with the veneer layer 105; the functional layer 101 is composed of a first layer, a second layer, a third layer and a fourth layer in sequence, the first layer is an antifouling layer a and is located on one side exposed in the environment, the second layer is a polyester fiber sound-absorbing cotton layer b and is located on the inner side of a first layer material, the third layer is an acrylic felt layer c and is located on the inner side of the second layer, and the fourth layer is a light shading layer d and is located on one side close to the decorative layer 105.
The finishing layer 105 may include a surface fabric and a back fabric, the surface fabric and the back fabric are sewn together by stitches, the connecting portions 103 are disposed around the upper, lower, left, and right sides of the back fabric, and the connecting portions 103 are mounted on the back fabric by sewing. The material of the surface layer cloth can comprise one or a combination of a cotton linen cloth and a flannelette cloth; the back layer cloth can be one or a combination of a plurality of cotton and linen cloth, flannel cloth and chemical fiber cloth. According to the actual application condition, the size of the curtain unit is adjusted according to the actual requirement.
The functional layer 101 is matched with the decorative layer 105 in size, the functional layer 101 comprises four layers of materials, the first layer is an anti-fouling layer a at the outermost side, and oil-proof and waterproof cloth with the weight of 70 grams per square meter is used; the second layer uses polyester fiber sound absorption cotton layer b with the weight of 400 g per square meter; the third layer uses an acrylic felt layer c with the weight of 500 g per square meter; the fourth layer uses shading cloth with the weight of 70 grams per square meter, the used materials are sewn together in a sewing mode, the four layers of materials are tightly attached together, and connecting pieces 102 are sewn on the periphery of the functional layer 101.
The connecting part 103 and the connecting part 102 are matched zippers.
The bottom of the decorative layer 105 is provided with a mounting groove which is long-strip-shaped through hole and can be internally filled with a hanging object 107. The pendants 107 are lead pendants or iron pendants and are independent and scattered, and each pendant has the weight of 12-42 g.
When the curtain unit is used, the top of the curtain unit is hung on a slide rail or a roman rod, and the curtain is pulled from side to side. After installation, the weighted sound insulation quantity is 16dB to 22 dB. Wherein, the weighting sound insulation quantity above 315Hz can reach above 10 dB; the weighting sound insulation quantity is above 16dB for the frequency bands above 1 KHz; the weighted sound insulation quantity of the frequency bands above 2KHz can reach more than 22 dB.
Example 2
Basically the same as in example 1, except that there are two sound-insulating curtain units, the top of which is hung on a sliding rail or a roman bar, and the curtain is pulled from both sides towards the middle. The antifouling layer a uses 100 g of oil-proof and waterproof cloth in weight per square meter; the second layer uses a polyester fiber sound absorption cotton layer b with the weight of 220 grams per square meter; the third layer uses 300 g of acrylic felt layer c per square meter; the fourth layer uses 100 g of shading cloth per square meter, and the connecting part 103 and the connecting part 102 are matched buttons. The drop 107 is in the form of a strip, weighing between 18 and 50 grams per meter length. After installation, the weighted sound insulation quantity is 14dB to 20 dB. Wherein, the weighting sound insulation quantity above 315Hz can reach above 8 dB; weighting and sound insulation quantity is above 15dB for frequency bands above 1 KHz; the weighting sound insulation quantity of the frequency bands above 2KHz can reach more than 20 dB.
Example 3
Basically the same as in example 1, except that there are two sound-insulating curtain units, the top of which is hung on a sliding rail or a roman bar, and the curtain is pulled from both sides towards the middle. The antifouling layer a uses 80 g of oil-proof and waterproof cloth in weight per square meter; the second layer uses a polyester fiber sound absorption cotton layer b with the weight of 300 grams per square meter; the third layer uses an acrylic felt layer c with the weight of 400 grams per square meter; the fourth layer uses the shading cloth with the weight of 80 grams per square meter, an EVA sound insulation film with the thickness of 0.2mm is arranged between the antifouling layer a and the polyester fiber sound absorption cotton b, and the connecting part 103 and the connecting part 102 are magnetic strips matched with each other. The drop 107 is in the form of a strip, weighing between 18 and 50 grams per meter length. After installation, the weighted sound insulation amount is 18dB to 30 dB. Wherein, the weighting sound insulation quantity above 315Hz can reach above 10 dB; the weighting sound insulation quantity is above 20dB for the frequency bands above 1 KHz; the weighting sound insulation quantity of the frequency bands above 2KHz can reach more than 30 dB.
The present invention has been described in terms of the above embodiments, and it should be understood that the above embodiments are not intended to limit the present invention in any way, and all technical solutions obtained by using equivalents or equivalent changes fall within the protection scope of the present invention.
Claims (10)
1. A composite sound insulation curtain is characterized by comprising at least one sound insulation curtain unit, wherein each sound insulation curtain unit comprises a facing layer and a functional layer, the functional layer is positioned on the back of the facing layer, and the functional layer is movably connected with the facing layer; the functional layer is composed of a first layer, a second layer, a third layer and a fourth layer in sequence, the first layer is located on one side exposed in the environment for an antifouling layer, the second layer is located on the inner side of the first layer material for a polyester fiber sound-absorbing cotton layer, the third layer is located on the inner side of the second layer for an acrylic felt layer, and the fourth layer is located on one side close to the decorative layer for a light shading layer.
2. The composite sound insulation curtain as claimed in claim 1, wherein the back of the facing layer is provided with a connecting portion connected to the functional layer, the functional layer is provided with a connecting member matching with the connecting portion, and the functional layer is connected to the facing layer through the connecting member.
3. The composite acoustical curtain of claim 2 wherein the attachment means is located around the back of the facing layer.
4. The composite acoustical curtain of claim 2, wherein the connecting portion and the connecting member are a zipper, a button, or a magnetic material.
5. The composite acoustical insulation curtain of claim 1 wherein said first layer is an oil and water repellent cloth having a weight of 70 to 100 grams per square meter.
6. The composite acoustical insulation curtain of claim 1 wherein said second layer is a polyester fiber sound-absorbing cotton layer having a weight of 220 to 400 grams per square meter.
7. The composite acoustical insulation curtain of claim 1 wherein said third layer is an acrylic felt layer having a weight of 300 to 500 grams per square meter.
8. The composite acoustical insulation blind of claim 1, wherein said fourth layer is a shade fabric having a weight of 70 grams to 100 grams per square meter.
9. The composite acoustical curtain of claim 1 wherein an EVA acoustical film is disposed between the first and second layers.
10. The composite sound insulation curtain as claimed in any one of claims 1 to 8, wherein a pendant is mounted on the bottom of the facing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449309.1A CN110786713A (en) | 2019-05-28 | 2019-05-28 | Combined type sound insulation curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449309.1A CN110786713A (en) | 2019-05-28 | 2019-05-28 | Combined type sound insulation curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110786713A true CN110786713A (en) | 2020-02-14 |
Family
ID=69426908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910449309.1A Pending CN110786713A (en) | 2019-05-28 | 2019-05-28 | Combined type sound insulation curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110786713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013117A (en) * | 2021-08-08 | 2022-02-08 | 杭州丝棠电子商务有限公司 | Full-shading anti-haze noise-reducing heat-insulating curtain cloth and manufacturing method thereof |
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2019
- 2019-05-28 CN CN201910449309.1A patent/CN110786713A/en active Pending
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|---|---|---|---|---|
| KR20040075589A (en) * | 2003-02-21 | 2004-08-30 | 홍건영 | Folding screen Style Pocket Curtain |
| JP2008119156A (en) * | 2006-11-10 | 2008-05-29 | Sekisui Chem Co Ltd | Soundproof curtain |
| WO2013157578A1 (en) * | 2012-04-17 | 2013-10-24 | オーラル ソニック インク | Sound-insulating curtain |
| CN203344862U (en) * | 2013-06-28 | 2013-12-18 | 上海通用汽车有限公司 | Sound attenuation composite cushion |
| CN204541690U (en) * | 2015-02-28 | 2015-08-12 | 北京东方万盛科技有限公司 | A kind of Sound-proof material door curtain |
| CN206416613U (en) * | 2016-12-26 | 2017-08-18 | 浙江龙游展宇有机玻璃有限公司 | A kind of heat-resisting acrylic board of sound insulation |
| CN207544854U (en) * | 2017-06-20 | 2018-06-29 | 江苏佳成特种纤维有限公司 | A kind of fire-retardant sound insulation is protected from light casement |
| CN107348820A (en) * | 2017-08-30 | 2017-11-17 | 王冰茜 | One kind office land used sound insulation curtain cloth |
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