CN105484376A - Cellular sound insulation section bar with improved structure - Google Patents
Cellular sound insulation section bar with improved structure Download PDFInfo
- Publication number
- CN105484376A CN105484376A CN201510821141.4A CN201510821141A CN105484376A CN 105484376 A CN105484376 A CN 105484376A CN 201510821141 A CN201510821141 A CN 201510821141A CN 105484376 A CN105484376 A CN 105484376A
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- plate
- sound insulation
- lower plate
- section bar
- insulation section
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- 238000009413 insulation Methods 0.000 title claims abstract description 48
- 230000001413 cellular effect Effects 0.000 title claims abstract description 15
- 239000000565 sealant Substances 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 18
- 239000013536 elastomeric material Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 7
- 239000003292 glue Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 239000011358 absorbing material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood 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)
- Laminated Bodies (AREA)
Abstract
The invention provides a cellular sound insulation section bar with an improved structure, belongs to the technical field of machinery, and solves the problems of conventional sound insulation plates. The cellular sound insulation section bar with the improved structure includes an upper plate and a lower plate which have plate shapes. A cellular core plate is arranged between the upper plate and the lower plate. The cellular core plate has a plurality of cellular through holes. The upper plate and the lower plate are arranged at both ends of the through holes of the cellular core plate. Sealing layers are formed between the upper plate and the cellular core plate and between the lower plate and the cellular core plate. The sealing layers seal the both ends of the through holes of the cellular core plate. A connection structure which can press the upper plate and the lower plate tightly at the both ends of the cellular core plate is arranged between the upper plate and the lower plate. The cellular sound insulation section bar with the improved structure has a compact structure and a good sound insulation effect.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of sound insulating panel, particularly a kind of structure improved honeycomb sound insulation section bar.
Background technology
Sound is a kind of wavy energy, needs medium to propagate.Sound is when same Propagation, and Media density is larger, and spread speed is faster.Spread speed such as in normal temperature air is about 340 meter per seconds, and the spread speed in rail is about 5200 meter per seconds.
It is exactly across Medium Propagation that the another kind of sound is propagated.Namely from a kind of medium, the critical contact face through two media enters another kind of medium, and now, the transmission essence of acoustic energy is the transmission of Oscillation Amplitude.During across Medium Propagation, the density difference of two media is larger, and the loss of acoustic energy is larger.And in practical application, air is activity space under mankind's normality, so the material differing larger with atmospheric density is generally the very high material of density (material also more much lower than atmospheric density is except vacuum, also genuine few), namely can be considered sound insulation materials.Density is higher, and soundproof effect is better.The sheet material that such material is made, is called sound insulating panel.
The sound of the not all frequency of sound insulating panel can intercept, and object has natural reonant frequency, and close to the sound of object resonance frequency, the soundproof effect of sound insulating panel significantly reduces.
Sound insulating panel has the difference every air borne sound and chatter.Air borne sound sound insulating panel, what namely intercept is the sheet material of the sound propagated in atmosphere.The sheet material of the sound that what namely chatter sound insulating panel intercepted is propagates in stiffening member (as steel concrete monolithic house) and system.
Its publication number of Chinese patent CN204547236U discloses a kind of composite sound insulation board, comprise outer surface layer (1), interior surface layers (6) and sound-absorbing material layer (2), be wherein provided with sound-absorbing material layer (2), sound insulating panel one (3), sound insulating panel two (4) and fire protection flame retarding layer (5) between outer surface layer (1) and interior surface layers (6) successively; Between outer surface layer (1) and sound insulating panel one (3), between sound insulating panel one (3) and sound insulating panel two (4), between sound insulating panel two (4) and fire protection flame retarding layer (5), be all respectively equipped with sound-absorbing material layer (2); Sound insulating panel two (4) is double-decker.
Can find out, the sound insulating panel of above-mentioned patent is compared with the sound insulating panel of prior art, and soundproof effect improves 10%-20%.But it not only comprises sound insulating panel one, sound insulating panel two and sound-absorbing material layer, also comprises fire protection flame retarding layer, therefore, its complicated structure, cost compare is high.
Other sound insulating panel existing also all also exists similar problem.
Summary of the invention
The object of the invention is the problems referred to above existed for prior art, provide a kind of quality comparation light and the structure improved honeycomb sound insulation section bar that soundproof effect is good.
Object of the present invention realizes by following technical proposal:
A kind of structure improved honeycomb sound insulation section bar, comprise the upper plate in tabular and lower plate, it is characterized in that, between described upper plate and lower plate, there is honeycomb core plate, described honeycomb core plate have some cellular through holes, above-mentioned upper plate and lower plate lay respectively at the two ends place of honeycomb core plate through hole, all there is sealant between described upper plate and honeycomb core plate and between lower plate and honeycomb core plate, the two ends place of honeycomb core plate through hole seals by above-mentioned sealant, has the syndeton that both can be made to be pressed on honeycomb core plate two ends place between described upper plate and lower plate.
By syndeton, upper plate and lower plate are firmly linked together, meanwhile, honeycomb core plate is positioned between upper plate and lower plate firmly.The through hole in honeycomb core plate can be made under the effect of sealant to keep sealing state.
Sound is because needs are successively through upper plate, sealant, honeycomb core plate, sealant and lower plate in transmittance process, and therefore, during across Medium Propagation, the loss of acoustic energy is larger.Thus effectively reach the effect of sound insulation.
In above-mentioned structure improved honeycomb sound insulation section bar, described bindiny mechanism comprises connecting rod and nut, and the inner of described connecting rod is connected on upper plate, and the outer end of described connecting rod is stretched out lower plate and is connected with nut thread.
Connecting rod is connected with nut indirectly makes upper plate and lower plate firmly link together.
In above-mentioned structure improved honeycomb sound insulation section bar, described connecting rod and nut form a linkage unit, and the quantity of described linkage unit is at least two.
Because a linkage unit is equivalent to form a hinged place between upper plate and lower plate, this connected mode is unstable, and upper plate may rotate relative to lower plate.But in this programme, the quantity of linkage unit is two or three even four, therefore, eliminates the drawback of articulated manner, thus makes upper plate and stable the linking together of lower plate.
In above-mentioned structure improved honeycomb sound insulation section bar, described sealant is elastomeric material.
In above-mentioned structure improved honeycomb sound insulation section bar, described sealant is plank.
Material and wood material are all more flexible, therefore, adopt between the sealant of this wiping material and honeycomb core plate and have good sealing.
In above-mentioned structure improved honeycomb sound insulation section bar, described sealant and honeycomb core plate are bonded together by glue.
In above-mentioned structure improved honeycomb sound insulation section bar, be bonded together by glue between described sealant and upper plate.
Sealant and honeycomb core plate can be made firmly to link together by glue, or sealant and upper plate are firmly linked together.
In above-mentioned structure improved honeycomb sound insulation section bar, the flange one turned under the edge of described upper plate has, above-mentioned sealant is positioned at flange one and mutually concordant with flange one outside sealant.
In above-mentioned structure improved honeycomb sound insulation section bar, the flange two turned under the edge of described lower plate has, above-mentioned sealant is positioned at flange two and concordant with flange two-phase outside sealant.
The structure of flange one and flange two can by the sealant stable position at upper plate place thereon, and by the sealant stable position at lower plate place thereon.
In above-mentioned structure improved honeycomb sound insulation section bar, described upper plate comprises in flat plate body one and plate body two, above-mentioned plate body one edge is connected in the plate body two edge upper plate that formation one cross section is L-shaped and both are connected, described lower plate comprises in flat plate body three and plate body four, above-mentioned plate body three edge is connected in the plate body four edge lower plate that formation one cross section is L-shaped and both are connected, above-mentioned plate body two end is resisted against plate body three sidepiece, and above-mentioned plate body four end is resisted against plate body one sidepiece and above-mentioned upper plate and lower plate form the buckling parts that a cross section is frame-like after being connected.
Such structure makes whole upper plate, the lower plate linked together form the buckling parts that a cross section is square frame shape, and honeycomb core plate is positioned at buckling parts, thus can to honeycomb core plate stable position.
Certainly, upper plate be connected with lower plate after rise end mutually against, connective stability is also higher.
In above-mentioned structure improved honeycomb sound insulation section bar, described sealant have some steam vents run through, the quantity of above-mentioned steam vent and position one_to_one corresponding identical with number of openings in above-mentioned honeycomb core plate, described lower plate has venthole, and described venthole the inner has the gas-guiding structure that above-mentioned all steam vents can be made all to communicate with venthole.
Air pump connects with venthole, air pump work time thus by honeycomb core plate air extract out, make honeycomb core plate inside keep vacuum state.Better play deadening.
The arranging of gas-guiding structure can make that each steam vent is all stable with venthole to communicate.
In above-mentioned structure improved honeycomb sound insulation section bar, described steam vent place is provided with the one way valve that the gas at gas-guiding structure place can only be made outwardly to discharge.
One way valve can make the air in honeycomb core plate outwardly flow out, thus ensures the sealing in honeycomb core plate.
In above-mentioned structure improved honeycomb sound insulation section bar, described gas-guiding structure is air slot recessed on the upside of lower plate, and the edge of above-mentioned sealant is resisted against the port of air slot.
In above-mentioned structure improved honeycomb sound insulation section bar, described gas-guiding structure also comprises the gripper shoe of lattice-shaped, described gripper shoe in air slot and gripper shoe be pressed between sealant and lower plate.
Because sealant is flexible, by gripper shoe, sealant is supported, avoid sealant deformation to abut in lower plate and cause steam vent blocked.
Alternatively scheme, in above-mentioned structure improved honeycomb sound insulation section bar, described gas-guiding structure also comprises in flat gripper shoe, and described gripper shoe is in air slot and gripper shoe is pressed between sealant and lower plate, described gripper shoe has some micropores run through.
Micropore in gripper shoe is similar to the micropore on aerator, and it passes through making smooth air under the prerequisite of sealant stable support.
In above-mentioned structure improved honeycomb sound insulation section bar, described upper plate and lower plate are glass material.
In above-mentioned structure improved honeycomb sound insulation section bar, described upper plate and lower plate are plastic material.
Sound insulating panel is as constructional materials, and the needs according to interior decoration can be selected in above bi-material.
In above-mentioned structure improved honeycomb sound insulation section bar, outside described connecting rod, cover has flexible contact sleeve, and one of them through hole of above-mentioned honeycomb core plate is enclosed within contact sleeve.
Connecting rod and honeycomb core plate rigid contact are avoided in the setting of contact sleeve, not only reduce noise and effectively can also play a protective role to honeycomb core plate.
In above-mentioned structure improved honeycomb sound insulation section bar, described contact sleeve is elastomeric material.
In above-mentioned structure improved honeycomb sound insulation section bar, there is outside described contact sleeve some contact rings protruded ringwise.
Contact ring and contact sleeve are integral type structure, make contact sleeve can more stablize with honeycomb core plate and contact like this.
Compared with prior art, owing to just being made by simple connecting rod, upper plate and lower plate are stable to be connected this structure improved honeycomb sound insulation section bar, and therefore, it is relatively simple for structure.
Meanwhile, not only reduce noise at honeycomb core plate and the sealant that arranges between upper plate and lower plate, but also ensure that sealing.
In addition, under the effect of one way valve, whole sound insulating panel can effectively keep its sound insulation value, has very high practical value.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this structure improved honeycomb sound insulation section bar.
Fig. 2 is the broken section structural representation at this structure improved honeycomb sound insulation section bar sealant place.
Fig. 3 is the structural representation at place of bindiny mechanism in this structure improved honeycomb sound insulation section bar.
In figure, 1, upper plate; 1a, flange one; 1b, plate body one; 1c, plate body two; 2, lower plate; 2a, flange two; 2b, plate body three; 2c, plate body four; 2d, venthole; 2e, air slot; 3, honeycomb core plate; 4, sealant; 4a, steam vent; 5, connecting rod; 6, nut; 7, one way valve; 8, gripper shoe; 9, contact sleeve.
Detailed description of the invention
As shown in Figure 1 and Figure 2 and Figure 3, this structure improved honeycomb sound insulation section bar comprises upper plate 1 in tabular and lower plate 2, between described upper plate 1 and lower plate 2, there is honeycomb core plate 3, described honeycomb core plate 3 have some cellular through holes, above-mentioned upper plate 1 and lower plate 2 lay respectively at the two ends place of honeycomb core plate 3 through hole, between described upper plate 1 and honeycomb core plate 3 and between lower plate 2 and honeycomb core plate 3, all there is sealant 4, the two ends place of honeycomb core plate 3 through hole seals by above-mentioned sealant 4, there is between described upper plate 1 and lower plate 2 syndeton that both can be made to be pressed on honeycomb core plate 3 two ends place.
Described bindiny mechanism comprises connecting rod 5 and nut 6, and the inner of described connecting rod 5 is connected on upper plate 1, and the outer end of described connecting rod 5 is stretched out lower plate 2 and is threaded with nut 6.In the present embodiment, described connecting rod 5 and nut 6 form a linkage unit, and the quantity of described linkage unit is at least two.
Described sealant 4 is elastomeric material, and according to actual conditions, described sealant 4 is plank is also feasible.
Described sealant 4 is bonded together by glue with honeycomb core plate 3, is bonded together between described sealant 4 and upper plate 1 by glue.
Flange one 1a turned under the edge of described upper plate 1 has, above-mentioned sealant 4 is positioned at flange one 1a and concordant with flange one 1a phase outside sealant 4, flange two 2a turned under the edge of described lower plate 2 has, above-mentioned sealant 4 is positioned at flange two 2a and concordant with flange two 2a phase outside sealant 4.
Described upper plate 1 comprises in flat plate body one 1b and plate body two 1c, above-mentioned plate body one 1b edge is connected in the plate body two 1c edge upper plate 1 that formation one cross section is L-shaped and both are connected, described lower plate 2 comprises in flat plate body three 2b and plate body four 2c, above-mentioned plate body three 2b edge is connected in the plate body four 2c edge lower plate 2 that formation one cross section is L-shaped and both are connected, above-mentioned plate body two 1c end is resisted against plate body three 2b sidepiece, and above-mentioned plate body four 2c end is resisted against plate body one 1b sidepiece and above-mentioned upper plate 1 and lower plate 2 form the buckling parts that a cross section is frame-like after being connected.
Described sealant 4 have some steam vent 4a run through, the quantity of above-mentioned steam vent 4a and position one_to_one corresponding identical with number of openings in above-mentioned honeycomb core plate 3, described lower plate 2 has venthole 2d, and described venthole 2d the inner has the gas-guiding structure that above-mentioned all steam vent 4a can be made all to communicate with venthole 2d.
Described steam vent 4a place is provided with the one way valve 7 that the gas at gas-guiding structure place can only be made outwardly to discharge.
Described gas-guiding structure is air slot 2e recessed on the upside of lower plate 2, and the edge of above-mentioned sealant 4 is resisted against the port of air slot 2e.
Described gas-guiding structure also comprises the gripper shoe 8 of lattice-shaped, described gripper shoe 8 in air slot 2e and gripper shoe 8 be pressed between sealant 4 and lower plate 2.Due to gripper shoe 8 complicated structure of lattice-shaped, therefore, another structure can be adopted instead, that is: described gas-guiding structure also comprises in flat gripper shoe 8, described gripper shoe 8 is in air slot 2e and gripper shoe 8 is pressed between sealant 4 and lower plate 2, and described gripper shoe 8 has some micropores run through.
Described upper plate 1 and lower plate 2 are glass material, and according to actual conditions, it is also feasible that described upper plate 1 and lower plate 2 are plastic material.
Outside described connecting rod 5, cover has flexible contact sleeve 9, and one of them through hole of above-mentioned honeycomb core plate 3 is enclosed within contact sleeve 9, and described contact sleeve 9 is elastomeric material.
Outside described contact sleeve 9, there is some contact rings protruded ringwise.
By syndeton, upper plate 1 and lower plate 2 are firmly linked together, meanwhile, honeycomb core plate 3 is positioned between upper plate 1 and lower plate 2 firmly.The through hole in honeycomb core plate 3 can be made under the effect of sealant 4 to keep sealing state.
Sound is because needs are successively through upper plate 1, sealant 4, honeycomb core plate 3, sealant 4 and lower plate 2 in transmittance process, and therefore, during across Medium Propagation, the loss of acoustic energy is larger.Thus effectively reach the effect of sound insulation.
Claims (10)
1. a structure improved honeycomb sound insulation section bar, comprise the upper plate in tabular and lower plate, it is characterized in that, between described upper plate and lower plate, there is honeycomb core plate, described honeycomb core plate have some cellular through holes, above-mentioned upper plate and lower plate lay respectively at the two ends place of honeycomb core plate through hole, all there is sealant between described upper plate and honeycomb core plate and between lower plate and honeycomb core plate, the two ends place of honeycomb core plate through hole seals by above-mentioned sealant, there is between described upper plate and lower plate the syndeton that both can be made to be pressed on honeycomb core plate two ends place, described bindiny mechanism comprises connecting rod and nut, the inner of described connecting rod is connected on upper plate, the outer end of described connecting rod is stretched out lower plate and is connected with nut thread, described connecting rod and nut form a linkage unit, the quantity of described linkage unit is at least two, described sealant have some steam vents run through, the quantity of above-mentioned steam vent and position one_to_one corresponding identical with number of openings in above-mentioned honeycomb core plate, described lower plate has venthole, described venthole the inner has the gas-guiding structure that above-mentioned all steam vents can be made all to communicate with venthole.
2. structure improved honeycomb sound insulation section bar according to claim 1, it is characterized in that, described steam vent place is provided with the one way valve that the gas at gas-guiding structure place can only be made outwardly to discharge.
3. structure improved honeycomb sound insulation section bar according to claim 2, is characterized in that, described gas-guiding structure is air slot recessed on the upside of lower plate, and the edge of above-mentioned sealant is resisted against the port of air slot.
4. structure improved honeycomb sound insulation section bar according to claim 2, it is characterized in that, described gas-guiding structure also comprises the gripper shoe of lattice-shaped, described gripper shoe in air slot and gripper shoe be pressed between sealant and lower plate.
5. structure improved honeycomb sound insulation section bar according to claim 2, it is characterized in that, described gas-guiding structure also comprises in flat gripper shoe, and described gripper shoe is in air slot and gripper shoe is pressed between sealant and lower plate, described gripper shoe has some micropores run through.
6. structure improved honeycomb sound insulation section bar according to claim 1, it is characterized in that, described upper plate and lower plate are glass material.
7. structure improved honeycomb sound insulation section bar according to claim 1, it is characterized in that, described upper plate and lower plate are plastic material.
8. structure improved honeycomb sound insulation section bar according to claim 1, is characterized in that, outside described connecting rod, cover has flexible contact sleeve, and one of them through hole of above-mentioned honeycomb core plate is enclosed within contact sleeve.
9. structure improved honeycomb sound insulation section bar according to claim 8, it is characterized in that, described contact sleeve is elastomeric material.
10. structure improved honeycomb sound insulation section bar according to claim 9, is characterized in that having some contact rings protruded ringwise outside described contact sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821141.4A CN105484376B (en) | 2015-11-23 | 2015-11-23 | Structure improved honeycomb sound insulation section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821141.4A CN105484376B (en) | 2015-11-23 | 2015-11-23 | Structure improved honeycomb sound insulation section bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105484376A true CN105484376A (en) | 2016-04-13 |
| CN105484376B CN105484376B (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510821141.4A Expired - Fee Related CN105484376B (en) | 2015-11-23 | 2015-11-23 | Structure improved honeycomb sound insulation section bar |
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| Country | Link |
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| CN (1) | CN105484376B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107303742A (en) * | 2016-04-22 | 2017-10-31 | 徐卫国 | A kind of sound-insulating structure |
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| WO2002103127A1 (en) * | 2001-06-15 | 2002-12-27 | Gianfranco Bianchi | Insulating panel and the manufacturing method thereof |
| DE202004004433U1 (en) * | 2004-03-20 | 2005-07-28 | Hoffmann Wärmetechnik GmbH | Molded plastic product for various uses comprises core of vermiculite and binder protected from water penetration around which plastic shell is molded |
| CN1775520A (en) * | 2005-12-03 | 2006-05-24 | 王再兴 | Ultralight stone honey comb plate and its preparing process |
| WO2007147885A1 (en) * | 2006-06-23 | 2007-12-27 | Airbus Deutschland Gmbh | Vacuum insulation panels for aircraft interiors |
| CN202787814U (en) * | 2012-08-31 | 2013-03-13 | 浙江永裕竹业股份有限公司 | Bamboo-aluminium composite sound absorption decorating plate |
| CN203676485U (en) * | 2013-12-13 | 2014-07-02 | 黄智权 | All-aluminum furniture structure |
| CN104613062A (en) * | 2013-11-01 | 2015-05-13 | 泰州天荣特殊玻璃制品有限公司 | Thickness-adjustable sandwich board |
| CN205224320U (en) * | 2015-11-23 | 2016-05-11 | 嘉善鸿源蜂窝制品有限公司 | Honeycomb sound insulation section bar of improvement structure |
-
2015
- 2015-11-23 CN CN201510821141.4A patent/CN105484376B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2512488A1 (en) * | 1975-03-21 | 1976-09-30 | Karl Heinz Ebbing | Curtain facade substructure wall anchor support - has seal for mass of cast material inserted in hole in hollowed wall |
| US5830553A (en) * | 1990-02-26 | 1998-11-03 | Huang; Ing Chung | Shock-absorbing cushion |
| WO2002103127A1 (en) * | 2001-06-15 | 2002-12-27 | Gianfranco Bianchi | Insulating panel and the manufacturing method thereof |
| DE202004004433U1 (en) * | 2004-03-20 | 2005-07-28 | Hoffmann Wärmetechnik GmbH | Molded plastic product for various uses comprises core of vermiculite and binder protected from water penetration around which plastic shell is molded |
| CN1775520A (en) * | 2005-12-03 | 2006-05-24 | 王再兴 | Ultralight stone honey comb plate and its preparing process |
| WO2007147885A1 (en) * | 2006-06-23 | 2007-12-27 | Airbus Deutschland Gmbh | Vacuum insulation panels for aircraft interiors |
| CN202787814U (en) * | 2012-08-31 | 2013-03-13 | 浙江永裕竹业股份有限公司 | Bamboo-aluminium composite sound absorption decorating plate |
| CN104613062A (en) * | 2013-11-01 | 2015-05-13 | 泰州天荣特殊玻璃制品有限公司 | Thickness-adjustable sandwich board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107303742A (en) * | 2016-04-22 | 2017-10-31 | 徐卫国 | A kind of sound-insulating structure |
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| Publication number | Publication date |
|---|---|
| CN105484376B (en) | 2018-03-27 |
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