CN107700686A - Felt and its manufacture method - Google Patents
Felt and its manufacture method Download PDFInfo
- Publication number
- CN107700686A CN107700686A CN201710861782.1A CN201710861782A CN107700686A CN 107700686 A CN107700686 A CN 107700686A CN 201710861782 A CN201710861782 A CN 201710861782A CN 107700686 A CN107700686 A CN 107700686A
- Authority
- CN
- China
- Prior art keywords
- sound
- woven fabrics
- sound insulation
- plate
- baffle plate
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000009413 insulation Methods 0.000 claims abstract description 49
- 239000004745 nonwoven fabric Substances 0.000 claims description 65
- 239000000945 filler Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000002834 transmittance Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of Felt and its manufacture method, its drip irrigation device includes sound insulation part and sound-absorbing part, baffle plate is provided between the sound insulation part and sound-absorbing part, the baffle plate is demountable structure, filling gas medium in the sound insulation part, filled solid medium in the sound-absorbing part.Sound insulation part is from being provided with different media in sound-absorbing part, after being connected at two between space, mutually merged with the medium of sound-absorbing part sound insulation part, or the medium at one in space is extended in adjacent space, make sound wave in transmittance process, the distance passed through during being transmitted on medium is longer, and the energy consumed at different medium is more, reaches stronger soundproof effect.
Description
Technical field
The present invention relates to sound panel, more particularly to a kind of Felt and its manufacture method.
Background technology
Sound panel is a kind of construction timber for being commonly used in barrier noise, is added generally on conventional plate and carries hole
Porous material, to hinder the transmission of sound wave.
At present, Publication No. CN106782482A Chinese patent discloses a kind of compound Felt, and it has multilayer
Structure, air layer is provided between two panel cellular type core layers, avoids respective barrier trough.
This Felt is common on the market, but the sound insulation intensity of this Felt immobilizes, and is met in living
The noise arrived is uncontrollable factor, when it is big when it is small, therefore when in the big noise circumstance, the effect of the barrier noise of Felt subtracts
It is weak.
The content of the invention
, can be according to the actual noise size in construction environment, to adjust it is an object of the invention to provide a kind of Felt
The sound insulation value of whole Felt.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of Felt, including sound insulation part and sound-absorbing part, baffle plate, institute are provided between the sound insulation part and sound-absorbing part
The fluffy filler that compressive state is filled between sound-absorbing part and baffle plate is stated, described insulate against sound is partially toward the side of sound-absorbing part
Provided with cavity, the baffle plate is demountable structure, and the fluffy filler to insulate against sound in part can expand after baffle plate dismounting goes forward side by side
Enter into the cavity of sound insulation part.
By using above-mentioned technical proposal, sound insulation part is from being provided with different media in sound-absorbing part, at two between space
After connection, sound insulation part is mutually merged with the medium of sound-absorbing part, or the medium at one in space is extended in adjacent space, is made
For sound wave in transmittance process, the distance passed through during being transmitted on medium is longer, and the energy consumed at different medium is more
It is more, reach stronger soundproof effect.Baffle plate can either play a part of improving support strength, and and can is enough to fluffy filler and nothing
Spin cloth and play position-limiting action.Baffle plate dismounting after, then solid filler scatters, lose it is spacing after become fluffy, improve to sound wave
Obstruction ability.It is gas originally in cavity, after fluffy filler and non-woven fabrics flick in filling to cavity, then sound wave is in sky
It can also be hindered in intracavitary transmittance process by fluffy filler and non-woven fabrics, the purpose for improving soundproof effect is reached with this.
Further set：The sound-absorbing part includes corrugated sheet, and the fluffy filler is filled in corrugated sheet towards sound insulation
In the groove of part side.
By using above-mentioned technical proposal, after sound insulation part connects with sound-absorbing part, the fluffy filler of compression loses
Spacing power, is expanded, and volume becomes big, becomes more fluffy, when sound wave transmits at fluffy filler medium, can be filled out by fluffy
Fill thing and absorb more multi-energy.
Further set：The fluffy filler is coated with non-woven fabrics, and non-woven fabrics is in folding storage in groove.
By using above-mentioned technical proposal, non-woven fabrics carries out fluffy filler spacing so that the fiber of fluffy filler
It is not easy to drop, in the environment using this Felt, the amount of being scattered of fluffy filler fiber is few, and the harm to human body is small.
Further set：The non-woven fabrics of the fluffy filler outer cladding is folded to the side towards sound insulation part.
By using above-mentioned technical proposal, after sound insulation part between sound-absorbing part with connecting, non-woven fabrics loses spacing, change
Must be fluffy, improve the uptake to noise.
Further set：The sound insulation part and sound-absorbing part connecting place, which are provided with, is coated on sound insulation part and sound-absorbing part side
The side plate on side, the side plate the L-shaped setting of folded plate, are rolled over towards folded plate is provided with the one side of sound insulation portion centers axis
One right-angle side of plate is placed between this right-angle side and sound-absorbing part parallel to sound insulation part, the baffle plate.
By using above-mentioned technical proposal, it is necessary to when pulling down baffle plate, it is only necessary to pull out baffle plate, i.e., can remove to fluffy
Filler it is spacing.
Further set：The folded portion of the non-woven fabrics is arranged to strip, and the strip part of non-woven fabrics is rolled in " Z " font
It is folded.
By using above-mentioned technical proposal, this folding mode is by bar doubling, and bar itself has certain multiple
Capability, after the external force being pressed on bar is removed, fluffy filler and non-woven fabrics are easier to flick expansion.
Further set：The cavity is provided with sound insulationg board, metallic plate, the sound insulationg board patch away from the one side of sound-absorbing part
Located at metal plate to sound-absorbing part side.
By using above-mentioned technical proposal, metallic plate intensity is high, plays a supporting role, and sound insulationg board is then used to block sound wave
Bang path.
Preferably, the surface of the corrugated sheet is provided with sound penetrating hole, the corrugation plate surface is provided with zinc coat, described zinc-plated
Layer is extended at the Internal periphery of sound penetrating hole.
By using above-mentioned technical proposal, sound penetrating hole is used to make at the fluffy filler in the incoming corrugated sheet of sound wave, makes sound
Ripple is absorbed by the loose structure of fluffy filler, non-woven fabrics.Zinc coat can keep the outline of corrugated sheet, extend corrugated sheet
Service life.
A kind of Felt manufacture method, comprises the following steps：
S1：Prefabricated corrugated sheet, and the both sides of corrugated sheet are vertically connected with side plate；
S2：Into the groove of corrugated sheet, filling is coated with the fluffy filler of non-woven fabrics, and non-woven fabrics is reserved into a segment length, length
Scope is 5cm ~ 10cm；
S3：Non-woven fabrics is cut into strips；
S4：The strip part of non-woven fabrics is folded into " Z " font, and non-woven fabrics is compacted；
S5：Sprayed water on the non-woven fabrics of compacting, the nonwoven cloth cover for making to be sprayed water is placed away from ground；
S6：In moisture not yet evaporating completely, baffle plate is placed on nonwoven cloth cover；
S7：The folded plate in the side pressure of baffle plate two, and folded plate is fixed on side plate；
S8：In biside plate sound insulationg board is coverd with away from the side of corrugated sheet；
S9：Baffle plate is extracted out from Felt；
S10：Sound insulation part is stretched into by rod member, rod member extends at non-woven fabrics, back and forth stirs non-woven fabrics top layer, make non-woven fabrics by water
Bonding place departs between each other, becomes fluffy.
By using above-mentioned technical proposal, strip fold non-woven fabrics it is fluffy after, its appearance profile more they tends to curve, for
The obstruction ability of sound wave is stronger；The detachable setting of baffle plate then provides two kinds of different sound insulation intensity；Water spray, which then plays, to be easy to
The effect of sizing, and after moisture evaporation, the adhesive between the two-layer nonwoven being folded reduces, and is easy to be struck to puffy
State.
In summary, the invention has the advantages that：
1st, whether baffle plate is removed according to outside noise environmental selection；If removing, sound insulation capabilities improve.
2nd, fluffy filler is as filler so that Felt deadweight is lighter, small to the active force of wall, is hardly damaged
Metope.
3rd, corrugation plate surface is provided with the service life that zinc coat extends Felt.
Brief description of the drawings
Fig. 1 is the structural representation for being used to embody Felt cross section in embodiment 1；
Fig. 2 is for embodying the A portions enlarged drawing in Fig. 1 of nonwoven fabric construct；
Fig. 3 is for embodying sound penetrating hole and the B portions enlarged drawing in Fig. 1 of zinc-plated Rotating fields.
In figure, 1, sound insulation part；2nd, sound-absorbing part；3rd, corrugated sheet；4th, fluffy filler；5th, non-woven fabrics；6th, baffle plate；7th, side
Plate；8th, folded plate；9th, cavity；10th, sound insulationg board；11st, metallic plate；12nd, sound penetrating hole；13rd, zinc coat.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Wherein identical parts are presented with like reference characters.It should be noted that the word used below in description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
Embodiment 1：A kind of Felt, as shown in figure 1, including sound-absorbing part 2 and sound insulation part 1, sound-absorbing part 2 with every
Part point 1 can either be the separate setting being separated between each other, and and can is enough to be interconnected.Wherein, sound insulation part 1
It is attached on metope.
As illustrated in fig. 1 and 2, insulate against sound and separated between part 1 and sound-absorbing part 2 using dismountable baffle plate 6, in the present embodiment
Baffle plate 6 use wire netting.Sound insulation part 1 is cavity 9, is compressed in sound-absorbing part 2 and is filled with fluffy filler 4.In order to reduce
Fluffy filler 4 loosely falls the situation of wadding, in the fluffy outer cladding non-woven fabrics 5 of filler 4.Non-woven fabrics 5 pricks fluffy filler 4
Tightly, and two lateral fluffy fillers 4 of non-woven fabrics 5 collapse towards the one side of sound insulation part 1, are connected at gathering, in the present embodiment
By the way of bonding.Non-woven fabrics 5 reserves redundance in bonding place, and the non-woven fabrics 5 gone out more than these is cut into strip, and
And strip non-woven fabrics 5 is folded into " Z " font, the part that non-woven fabrics 5 is folded is contacted on baffle plate 6.
As illustrated in fig. 1 and 2, one side of the sound-absorbing part 2 towards sound insulation part 1 is plane, is corrugated sheet away from metope one side
3, corrugated sheet 3 is rendered as multiple grooves away from the surface of sound insulation part 1, corresponding, in corrugated sheet 3 towards sound insulation part 1
Side also forms groove, and fluffy filler 4 is to be filled in the groove towards sound insulation part 1 of corrugated sheet 3.
As shown in figs. 1 and 3, sound penetrating hole 12 is opened up in the one side of sound insulation part 1 in corrugated sheet 3, and is coated with the face
There is zinc coat 13, zinc coat 13 is extended at the inwall of sound penetrating hole 12, overall to corrugated sheet 3 to play a protective role.
As illustrated in fig. 1 and 2, sound insulation part 1 includes cavity 9, and the side of cavity 9 is baffle plate 6, and opposite side is to be affixed on metope
Metallic plate 11, metallic plate 11 in the present embodiment is using the zinc-plated steel plate in surface, and metallic plate 11 is towards in the one side of sound-absorbing part 2
Being sticked has sound insulationg board 10, and the thickness of sound insulationg board 10 is 3mm.
As illustrated in fig. 1 and 2, the lateral section in sound insulation part 1 and sound-absorbing part 2 is provided with side plate 7, and side plate 7 is towards sound insulation
The one side of the central axis of part 1 is provided with folded plate 8.8 L-shaped setting of folded plate, a line of folded plate 8 are attached on side plate 7,
Another a line is parallel to baffle plate 6.Folded plate 8 is symmetrical arranged on the side plate 7 of both sides, and baffle plate 6 is positioned on folded plate 8, to press
Firmly non-woven fabrics 5.
Its principle is：
The displacement formula of sound wave transmission is as follows：
x=Asin（2Πft+φ）
By taking the vibration particle of sound wave as an example, the amplitude A of a particle is relevant with external force, and 2 Π ft+ φ are phase.sin（2Πft
+φ）Value be always positioned in a constant range, the constant range is related to amplitude A, so A size variation influence vibration
The transmission displacement of particle.When the amplitude A for vibrating particle tends to be infinitely small, the transmission displacement for vibrating particle also diminishes therewith.This
In the environment of file, particle is vibrated in motion process, hindering for the solid filler after being scattered, is vibrated and is taken on particle
The accelerated consumption of the energy of band, amplitude A diminish, and transmit displacement and diminish, the distance that sound wave can transmit diminishes, and reaches noise reduction purpose.
This Felt can either be used directly as building materials, can also be extracted baffle plate 6 out, be made non-woven fabrics 5 is fluffy to fill out
Fill in the cavity 9 of sound insulation part 1, when sound wave transmits, by the obstruction of soft fluffy state non-woven fabrics 5, make sound wave transmittance process
Middle loss is bigger, plays a part of noise reduction.
For the ease of the installation of baffle plate 6, after the non-woven fabrics 5 of strip is folded, sprayed water on non-woven fabrics 5, after moisture evaporation,
Sizing is played a part of to non-woven fabrics 5, is easy to baffle plate 6 to be pressed on non-woven fabrics 5.After baffle plate 6 is extracted out, non-woven fabrics 5 only need to be stirred,
Non-woven fabrics 5 can be set to recover the state of fluffy filling.
Embodiment 2：
Baffle plate 6 dismounts, non-woven fabrics 5 is pressurized and the method for fluffy reset is as follows：
S1：Prefabricated corrugated sheet 3, and the both sides of corrugated sheet 3 are vertically connected with side plate 7；
S2：Into the groove of corrugated sheet 3, filling is coated with the fluffy filler 4 of non-woven fabrics 5, and non-woven fabrics 5 is reserved into a segment length,
Length range is 5cm ~ 10cm；
S3：Non-woven fabrics 5 is cut into strips；
S4：The strip part of non-woven fabrics 5 is folded into " Z " font, and non-woven fabrics 5 is compacted；
S5：Sprayed water on the non-woven fabrics 5 of compacting, the face of non-woven fabrics 5 for making to be sprayed water is placed away from ground；
S6：In moisture not yet evaporating completely, baffle plate 6 is placed on the face of non-woven fabrics 5；
S7：The folded plate 8 in 6 liang of side pressures of baffle plate, and folded plate 8 is fixed on side plate 7；
S8：In biside plate 7 sound insulationg board 10 is coverd with away from the side of corrugated sheet 3；
S9：Baffle plate 6 is extracted out from Felt 10；
S10：Sound insulation part 1 is stretched into by rod member, rod member extends at non-woven fabrics 5, back and forth stirs the top layer of non-woven fabrics 5, make non-woven fabrics 5
Departed between each other by water bonding place, become fluffy.
The above embodiments are only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (9)
1. a kind of Felt, including sound insulation part（1）And sound-absorbing part（2）, it is characterised in that：The sound insulation part（1）With
Sound-absorbing part（2）Between be provided with baffle plate（6）, the sound-absorbing part（2）With baffle plate（2）Between filled out filled with the fluffy of compressive state
Fill thing（4）, the sound insulation part（1）Towards sound-absorbing part（2）Side be provided with cavity（9）, the baffle plate（6）For detachable knot
Structure, part of insulating against sound（1）Interior fluffy filler（4）In baffle plate（6）It can be expanded after dismounting and enter sound insulation part（1）Sky
Chamber（9）It is interior.
2. Felt according to claim 1, it is characterised in that：The sound-absorbing part（2）Including corrugated sheet（3）, institute
State fluffy filler（4）It is filled in corrugated sheet（3）Towards sound insulation part（1）In the groove of side.
3. Felt according to claim 2, it is characterised in that：The fluffy filler（4）It is coated with non-woven fabrics
（5）, non-woven fabrics（5）In folding storage in groove.
4. Felt according to claim 3, it is characterised in that：The fluffy filler（4）The non-woven fabrics of outer cladding
（5）It is folded to towards sound insulation part（1）Side.
5. Felt according to claim 1, it is characterised in that：The sound insulation part（1）And sound-absorbing part（2）It is connected
Place, which is provided with, is coated on sound insulation part（1）And sound-absorbing part（2）The side plate of side（7）, the side plate（7）Towards sound insulation part（1）
Folded plate is provided with the one side of central axis（8）, the folded plate（8）L-shaped setting, folded plate（8）A right-angle side parallel to
Sound insulation part（1）, the baffle plate（6）It is placed in this right-angle side and sound-absorbing part（2）Between.
6. Felt according to claim 3, it is characterised in that：The non-woven fabrics（5）Folded portion be arranged to bar
Shape, non-woven fabrics（5）Strip part in " Z " font fold.
7. Felt according to claim 1, it is characterised in that：The cavity（9）Away from sound-absorbing part（2）One side
It is provided with metallic plate（11）, the metallic plate（11）Towards sound-absorbing part（2）Side, which is sticked, sound insulationg board（10）.
8. Felt according to claim 2, it is characterised in that：The corrugated sheet（3）Surface be provided with sound penetrating hole
（12）, the corrugated sheet（3）Surface is provided with zinc coat（13）, the zinc coat（13）Extend to sound penetrating hole（12）Internal periphery
Place.
9. a kind of Felt manufacture method, comprises the following steps：
S1：Prefabricated corrugated sheet, and the both sides of corrugated sheet are vertically connected with side plate；
S2：Into the groove of corrugated sheet, filling is coated with the fluffy filler of non-woven fabrics, and non-woven fabrics is reserved into a segment length, length
Scope is 5cm ~ 10cm；
S3：Non-woven fabrics is cut into strips；
S4：The strip part of non-woven fabrics is folded into " Z " font, and non-woven fabrics is compacted；
S5：Sprayed water on the non-woven fabrics of compacting, the nonwoven cloth cover for making to be sprayed water is placed away from ground；
S6：In moisture not yet evaporating completely, baffle plate is placed on nonwoven cloth cover；
S7：The folded plate in the side pressure of baffle plate two, and folded plate is fixed on side plate；
S8：In biside plate sound insulationg board is coverd with away from the side of corrugated sheet；
S9：Baffle plate is extracted out from Felt；
S10：Sound insulation part is stretched into by rod member, rod member extends at non-woven fabrics, back and forth stirs non-woven fabrics top layer, make non-woven fabrics by water
Bonding place departs between each other, becomes fluffy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710861782.1A CN107700686B (en) | 2017-09-21 | 2017-09-21 | Sound absorption and insulation board and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710861782.1A CN107700686B (en) | 2017-09-21 | 2017-09-21 | Sound absorption and insulation board and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107700686A true CN107700686A (en) | 2018-02-16 |
| CN107700686B CN107700686B (en) | 2023-04-25 |
Family
ID=61171920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710861782.1A Active CN107700686B (en) | 2017-09-21 | 2017-09-21 | Sound absorption and insulation board and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107700686B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE891548A (en) * | 1980-12-22 | 1982-04-16 | Gruenzweig & Hartmann Montage | MOBILE SOUNDPROOFING PANEL AND METHOD FOR THE PRODUCTION THEREOF |
| CN1352719A (en) * | 1999-06-09 | 2002-06-05 | 陶氏化学公司 | Sound insulating sandwich element |
| CN101858060A (en) * | 2010-06-22 | 2010-10-13 | 张家港港丰交通安全设施有限公司 | Dentoid panel double-cavity sound absorption and insulation screen |
| CN202658756U (en) * | 2012-05-04 | 2013-01-09 | 薛小民 | Sound absorption material |
| CN104481104A (en) * | 2014-11-19 | 2015-04-01 | 中国测试技术研究院声学研究所 | Indoor sound absorption jet drawing trim plate for dwelling house |
| CN105672507A (en) * | 2016-02-17 | 2016-06-15 | 江苏瑞赛恩建材实业有限公司 | Environment-friendly sound absorbing board |
| CN105908999A (en) * | 2016-04-21 | 2016-08-31 | 孙小燕 | Adjustable sound isolation prefab house and sound isolation adjusting method thereof |
| CN207660122U (en) * | 2017-09-21 | 2018-07-27 | 江苏声立方环保科技有限公司 | Felt |
-
2017
- 2017-09-21 CN CN201710861782.1A patent/CN107700686B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE891548A (en) * | 1980-12-22 | 1982-04-16 | Gruenzweig & Hartmann Montage | MOBILE SOUNDPROOFING PANEL AND METHOD FOR THE PRODUCTION THEREOF |
| CN1352719A (en) * | 1999-06-09 | 2002-06-05 | 陶氏化学公司 | Sound insulating sandwich element |
| CN101858060A (en) * | 2010-06-22 | 2010-10-13 | 张家港港丰交通安全设施有限公司 | Dentoid panel double-cavity sound absorption and insulation screen |
| CN202658756U (en) * | 2012-05-04 | 2013-01-09 | 薛小民 | Sound absorption material |
| CN104481104A (en) * | 2014-11-19 | 2015-04-01 | 中国测试技术研究院声学研究所 | Indoor sound absorption jet drawing trim plate for dwelling house |
| CN105672507A (en) * | 2016-02-17 | 2016-06-15 | 江苏瑞赛恩建材实业有限公司 | Environment-friendly sound absorbing board |
| CN105908999A (en) * | 2016-04-21 | 2016-08-31 | 孙小燕 | Adjustable sound isolation prefab house and sound isolation adjusting method thereof |
| CN207660122U (en) * | 2017-09-21 | 2018-07-27 | 江苏声立方环保科技有限公司 | Felt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107700686B (en) | 2023-04-25 |
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