CN110374256A - A kind of interior decoration Acoustic barrier plate - Google Patents
A kind of interior decoration Acoustic barrier plate Download PDFInfo
- Publication number
- CN110374256A CN110374256A CN201910605366.4A CN201910605366A CN110374256A CN 110374256 A CN110374256 A CN 110374256A CN 201910605366 A CN201910605366 A CN 201910605366A CN 110374256 A CN110374256 A CN 110374256A
- Authority
- CN
- China
- Prior art keywords
- interior decoration
- acoustic barrier
- felt
- barrier plate
- minutes
- 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
- 238000005034 decoration Methods 0.000 title claims abstract description 19
- 230000004888 barrier function Effects 0.000 title claims abstract description 18
- 229920000742 Cotton Polymers 0.000 claims abstract description 24
- 210000003195 fascia Anatomy 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000002202 Polyethylene glycol Substances 0.000 claims description 15
- 239000004745 nonwoven fabric Substances 0.000 claims description 15
- 229920001223 polyethylene glycol Polymers 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 235000012054 meals Nutrition 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 239000002952 polymeric resin Substances 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000711 cancerogenic effect Effects 0.000 abstract description 2
- 231100000357 carcinogen Toxicity 0.000 abstract description 2
- 239000003183 carcinogenic agent Substances 0.000 abstract description 2
- 231100000614 poison Toxicity 0.000 abstract description 2
- 230000007096 poisonous effect Effects 0.000 abstract description 2
- 239000002344 surface layer Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004575 stone Substances 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/324—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with incisions or reliefs in the surface
-
- 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
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8461—Solid slabs or blocks layered
-
- 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
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
- E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of interior decoration Acoustic barrier plates, including the first Side fascia, acoustical cotton, the first plasterboard, the first plank, the second plasterboard, acoustical cotton and the second Side fascia being successively configured from left to right, first Side fascia is equipped with the first sound-absorption hole, and second Side fascia is equipped with the second sound-absorption hole；The invention discloses a kind of interior decoration Acoustic barrier plates, are provided with better sound absorbing power, and environment-protecting and non-poisonous free from extraneous odour, non-volatility gas is pollution-free, are free of carcinogen；Adverse effect not will cause to house ornamentation, the bonding between each surface layer is not easily to fall off.
Description
Technical field
The present invention relates to a kind of interior decoration Acoustic barrier plates, belong to interior decoration engineering technical field.
Background technique
In people's lives and work, it is often necessary to the space of independence or secret, as people's lives are horizontal constantly
It improves, therefore, requirement when fitting up now to interior is higher and higher, certain beautifying functions are not only needed, but also
Has the function of certain sound insulation, although the soundproof plate sold on existing market is all to having done some improvement, sound insulation on beautifying functions
Although effect has certain improvement, but the soundproof plate sold on existing market still not satisfies the needs of existing market, because
This, the soundproof effect for how quickly and effectively improving wallboard becomes numerous producers problem to be solved.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provides a kind of interior decoration Acoustic barrier plate, existing to solve
The problem of technology.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of interior decoration Acoustic barrier plate, including the first Side fascia, acoustical cotton, the first gypsum being successively configured from left to right
Plate, the first plank, the second plasterboard, acoustical cotton and the second Side fascia, first Side fascia are equipped with the first sound-absorption hole, institute
The second Side fascia is stated equipped with the second sound-absorption hole.
As an improvement of the present invention, the quantity of first sound-absorption hole is at least two.
As an improvement of the present invention, the quantity of second sound-absorption hole is at least two.
As an improvement of the present invention, the acoustical cotton includes the non-woven fabrics being successively configured from top to bottom, felt
And non-woven fabrics.
As an improvement of the present invention, the preparation process of the acoustical cotton is as follows:
(1) it after being mixed conch meal, manganese dioxide particle, polyethylene glycol, is put into and is ground into grinder；
(2) water is added into the mixture after grinding, and at 20-30 DEG C, after stirring 30 minutes, is passed through nitrogen, and will mixing
After object is warming up to 75-80 DEG C, it is stirred 40-50 minutes；
(3) it after being mixed polymeric resin with water, and is stirred at 50-60 DEG C 15-20 minutes；
(4) felt is put into the mixture of step (3), after being stirred 20-30 minutes, felt is taken out, and in 90-
After carrying out drying at 100 DEG C 10-20 minutes；
(5) the mixed solution injection generated step (2) is by step (4) treated felt, by felt in 210-230
After DEG C carrying out heating 50-60 minute, stands and cool down；
(6) it uses pressure sintering hot pressing on the outside of felt non-woven fabrics, can be prepared by acoustical cotton.
As an improvement of the present invention, the conch meal, manganese dioxide particle, polyethylene glycol mass ratio be 3:2:5.
As an improvement of the present invention, the mass ratio of the polyethylene glycol and water is 1:10.
As an improvement of the present invention, the mass ratio of the polymeric resin and water is 3:20.
Due to using the above technology, the present invention compared with the prior art, is had the advantage that as follows:
The invention discloses a kind of interior decoration Acoustic barrier plates, are provided with better sound absorbing power, environment-protecting and non-poisonous free from extraneous odour, and nothing is waved
Hair property gas, it is pollution-free, be free of carcinogen；Adverse effect not will cause to house ornamentation, the bonding between each surface layer is not easily to fall off.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of interior decoration Acoustic barrier plate；
In figure: 1, the first Side fascia, 2, acoustical cotton, the 3, first plasterboard, the 4, first plank, the 5, second plasterboard, 6, second inhales
Sound hole, the 7, second Side fascia, the 8, first sound-absorption hole.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.
Embodiment 1:
A kind of interior decoration Acoustic barrier plate, including the first Side fascia 1, acoustical cotton 2, the first stone being successively configured from left to right
Cream plate 3, the first plank 4, the second plasterboard 5, acoustical cotton 2 and the second Side fascia 7, first Side fascia 1 are equipped with first
Sound-absorption hole 8, second Side fascia 7 are equipped with the second sound-absorption hole 6.
The quantity of first sound-absorption hole 8 is at least two.
The quantity of second sound-absorption hole 6 is at least two.
Embodiment 2:
The acoustical cotton 2 includes non-woven fabrics, felt and the non-woven fabrics being successively configured from top to bottom.
The preparation process of the acoustical cotton 2 is as follows:
(1) it after being mixed conch meal, manganese dioxide particle, polyethylene glycol, is put into and is ground into grinder；
(2) water is added into the mixture after grinding, and at 20 DEG C, after stirring 30 minutes, is passed through nitrogen, and by mixture liter
Temperature is stirred 40 minutes to after 80 DEG C；
(3) it after being mixed polymeric resin with water, and is stirred at 60 DEG C 15 minutes；
(4) felt is put into the mixture of step (3), after being stirred 30 minutes, felt is taken out, and at 90 DEG C into
Row drying is after twenty minutes；
(5) the mixed solution injection generated step (2) by step (4) treated felt, by felt 210 DEG C into
Row heating after sixty minutes, stands cooling；
(6) it uses pressure sintering hot pressing on the outside of felt non-woven fabrics, can be prepared by acoustical cotton 2.
The conch meal, manganese dioxide particle, polyethylene glycol mass ratio be 3:2:5.
The mass ratio of the polyethylene glycol and water is 1:10.
The mass ratio of the polymeric resin and water is 3:20.
Embodiment 3:
The acoustical cotton 2 includes non-woven fabrics, felt and the non-woven fabrics being successively configured from top to bottom.
The preparation process of the acoustical cotton 2 is as follows:
(1) it after being mixed conch meal, manganese dioxide particle, polyethylene glycol, is put into and is ground into grinder；
(2) water is added into the mixture after grinding, and at 30 DEG C, after stirring 30 minutes, is passed through nitrogen, and by mixture liter
Temperature is stirred 50 minutes to after 75 DEG C；
(3) it after being mixed polymeric resin with water, and is stirred at 50 DEG C 20 minutes；
(4) felt is put into the mixture of step (3), is stirred after twenty minutes, felt is taken out, and at 100 DEG C
It is dried after ten minutes；
(5) the mixed solution injection generated step (2) by step (4) treated felt, by felt 230 DEG C into
After row heating 50 minutes, cooling is stood；
(6) it uses pressure sintering hot pressing on the outside of felt non-woven fabrics, can be prepared by acoustical cotton 2.
The conch meal, manganese dioxide particle, polyethylene glycol mass ratio be 3:2:5.
The mass ratio of the polyethylene glycol and water is 1:10.
The mass ratio of the polymeric resin and water is 3:20.
Embodiment 4:
The acoustical cotton 2 includes non-woven fabrics, felt and the non-woven fabrics being successively configured from top to bottom.
The preparation process of the acoustical cotton 2 is as follows:
(1) it after being mixed conch meal, manganese dioxide particle, polyethylene glycol, is put into and is ground into grinder；
(2) water is added into the mixture after grinding, and at 25 DEG C, after stirring 30 minutes, is passed through nitrogen, and by mixture liter
Temperature is stirred 48 minutes to after 78 DEG C；
(3) it after being mixed polymeric resin with water, and is stirred at 55 DEG C 15 minutes；
(4) felt is put into the mixture of step (3), after being stirred 30 minutes, felt is taken out, and at 98 DEG C into
Row drying is after ten minutes；
(5) the mixed solution injection generated step (2) by step (4) treated felt, by felt 220 DEG C into
After row heating 50 minutes, cooling is stood；
(6) it uses pressure sintering hot pressing on the outside of felt non-woven fabrics, can be prepared by acoustical cotton 2.
The conch meal, manganese dioxide particle, polyethylene glycol mass ratio be 3:2:5.
The mass ratio of the polyethylene glycol and water is 1:10.
The mass ratio of the polymeric resin and water is 3:20.
Above-described embodiment is only the preferred technical solution of the present invention, and is not construed as limitation of the invention, the present invention
Protection scope should with claim record technical solution, including claim record technical solution in technical characteristic etc.
It is protection scope with alternative, i.e., equivalent replacement within this range is improved, also within protection scope of the present invention.
Claims (8)
1. a kind of interior decoration Acoustic barrier plate, it is characterised in that: including be successively configured from left to right the first Side fascia, inhale
Sound cotton, the first plasterboard, the first plank, the second plasterboard, acoustical cotton and the second Side fascia, first Side fascia are equipped with
First sound-absorption hole, second Side fascia are equipped with the second sound-absorption hole.
2. a kind of interior decoration Acoustic barrier plate according to claim 1, it is characterised in that: the quantity of first sound-absorption hole
For at least two.
3. a kind of interior decoration Acoustic barrier plate according to claim 1, it is characterised in that: the quantity of second sound-absorption hole
For at least two.
4. a kind of interior decoration Acoustic barrier plate according to claim 1, it is characterised in that: the acoustical cotton include on to
Under the non-woven fabrics, felt and the non-woven fabrics that are successively configured.
5. a kind of interior decoration Acoustic barrier plate according to claim 4, it is characterised in that: the preparation process of the acoustical cotton
It is as follows:
(1) it after being mixed conch meal, manganese dioxide particle, polyethylene glycol, is put into and is ground into grinder；
(2) water is added into the mixture after grinding, and at 20-30 DEG C, after stirring 30 minutes, is passed through nitrogen, and will mixing
After object is warming up to 75-80 DEG C, it is stirred 40-50 minutes；
(3) it after being mixed polymeric resin with water, and is stirred at 50-60 DEG C 15-20 minutes；
(4) felt is put into the mixture of step (3), after being stirred 20-30 minutes, felt is taken out, and in 90-
After carrying out drying at 100 DEG C 10-20 minutes；
(5) the mixed solution injection generated step (2) is by step (4) treated felt, by felt in 210-230
After DEG C carrying out heating 50-60 minute, stands and cool down；
(6) it uses pressure sintering hot pressing on the outside of felt non-woven fabrics, can be prepared by acoustical cotton.
6. a kind of interior decoration Acoustic barrier plate according to claim 5, it is characterised in that: the conch meal, manganese dioxide
Particle, polyethylene glycol mass ratio be 3:2:5.
7. a kind of interior decoration Acoustic barrier plate according to claim 5, it is characterised in that: the matter of the polyethylene glycol and water
Amount is than being 1:10.
8. a kind of interior decoration Acoustic barrier plate according to claim 5, it is characterised in that: the polymeric resin and water
Mass ratio is 3:20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605366.4A CN110374256A (en) | 2019-07-05 | 2019-07-05 | A kind of interior decoration Acoustic barrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605366.4A CN110374256A (en) | 2019-07-05 | 2019-07-05 | A kind of interior decoration Acoustic barrier plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110374256A true CN110374256A (en) | 2019-10-25 |
Family
ID=68252194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910605366.4A Pending CN110374256A (en) | 2019-07-05 | 2019-07-05 | A kind of interior decoration Acoustic barrier plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374256A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619584A (en) * | 2022-03-17 | 2022-06-14 | 浙江锦盛装饰材料有限公司 | Production process and integration device for inserting splicing type sound insulation wall cloth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0061008A1 (en) * | 1981-03-17 | 1982-09-29 | Mitsubishi Denki Kabushiki Kaisha | Sound absorber |
| CN104817333A (en) * | 2015-04-22 | 2015-08-05 | 苏州统明机械有限公司 | Hot spraying high-strength ceramic and preparation method thereof |
| CN206086283U (en) * | 2016-10-19 | 2017-04-12 | 苏州申博汽车零部件有限公司 | Sound cotton is inhaled in environmental protection |
| CN107476488A (en) * | 2017-08-17 | 2017-12-15 | 江苏南亚门窗有限公司 | A kind of interior decoration Acoustic barrier plate |
| CN109109778A (en) * | 2018-08-30 | 2019-01-01 | 广州市花林景观工程有限公司 | A kind of environment friendly acoustical absorption cotton |
-
2019
- 2019-07-05 CN CN201910605366.4A patent/CN110374256A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0061008A1 (en) * | 1981-03-17 | 1982-09-29 | Mitsubishi Denki Kabushiki Kaisha | Sound absorber |
| CN104817333A (en) * | 2015-04-22 | 2015-08-05 | 苏州统明机械有限公司 | Hot spraying high-strength ceramic and preparation method thereof |
| CN206086283U (en) * | 2016-10-19 | 2017-04-12 | 苏州申博汽车零部件有限公司 | Sound cotton is inhaled in environmental protection |
| CN107476488A (en) * | 2017-08-17 | 2017-12-15 | 江苏南亚门窗有限公司 | A kind of interior decoration Acoustic barrier plate |
| CN109109778A (en) * | 2018-08-30 | 2019-01-01 | 广州市花林景观工程有限公司 | A kind of environment friendly acoustical absorption cotton |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619584A (en) * | 2022-03-17 | 2022-06-14 | 浙江锦盛装饰材料有限公司 | Production process and integration device for inserting splicing type sound insulation wall cloth |
| CN114619584B (en) * | 2022-03-17 | 2024-05-24 | 浙江锦盛装饰材料股份有限公司 | Production process and integration device for inserting and splicing type sound insulation wall cloth |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |
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| RJ01 | Rejection of invention patent application after publication |