CN109914630A - Composite seal type stainless-steel sheet - Google Patents
Composite seal type stainless-steel sheet Download PDFInfo
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- CN109914630A CN109914630A CN201910220896.7A CN201910220896A CN109914630A CN 109914630 A CN109914630 A CN 109914630A CN 201910220896 A CN201910220896 A CN 201910220896A CN 109914630 A CN109914630 A CN 109914630A
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- absorptive membrane
- sound
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- recess
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Abstract
The invention belongs to building material technical fields, specifically composite seal type stainless-steel sheet；Including steel plate ontology, the steel plate ontology is made of multiple regular hexagonal prisms, the single regular hexagonal prism surface offers recess, the centre of sphere of recess is on the central axis of regular hexagonal prism, the regular hexagonal prism trailing flank is fixed with sealing plate, the sealing plate leading flank is connected, and there are two support plates, absorptive membrane is provided between two support plates, the absorptive membrane two sides are provided with snap-gauge, the snap-gauge is fixed with connecting plate close to support plate on one side, connecting plate is set as two sections and is connected by torsional spring, and the position contacted in the support plate with connecting plate offers card slot；Steel plate body surface is offered recess by setting recess and absorptive membrane by the present invention, is used for reflected acoustic wave, is then shaken absorptive membrane by the sound wave after reflecting, and by the energy attenuating in sound wave, reduces sound reflection to influence caused by building.
Description
Technical field
The invention belongs to building material technical fields, specifically composite seal type stainless-steel sheet.
Background technique
Stainless steel surface is bright and clean, there is higher plasticity, toughness and a mechanical strength, acid and alkali resistance gas, solution and its
The corrosion of his medium.It is a kind of steel alloy for being not easy to get rusty, but is not absolute non-corrosive.Stainless steel plate refer to resistance to atmosphere,
The steel plate of the weak dielectric corrosion such as steam and water, and acidproof steel plate then refers to the steel of the chemical etchings dielectric corrosion such as acid and alkali resistance, salt
Plate.It is hard to be generally divided into martensitic stainless steel, ferrite stainless steel, austenite stainless steel plate, two-phase stainless steel plate and precipitating
Change type stainless steel plate etc. is divided into straight-chromiun stainless steel plate and nickel and stainless steel plate two major classes.Typical use: paper pulp and paper grade (stock) equipment heat
Exchanger, mechanical equipment, dyeing installation, film rinsing equipment, pipeline, outside the building of coastal region with material etc..
Since stainless steel has good intensity and soundproof effect, generally as the construction material in the higher place of confidentiality
It uses, but since sound has the characteristics that transmitting, when sound is transmitted to stainless steel surface, can be reflected back by stainless steel
Come, causes building place internal sound larger, in consideration of it, the invention proposes composite seal type stainless-steel sheet, Neng Gouming
Aobvious to weaken sound reflection, reducing influences caused by building place inside.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides composite seal type stainless-steel sheets, mainly by by steel
Plate body surface offers recess, is used for reflected acoustic wave, is then shaken absorptive membrane by the sound wave after reflection, will be in sound wave
Energy attenuating, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: composite seal type stainless-steel sheet, including steel plate
Ontology, the steel plate ontology are made of multiple regular hexagonal prisms, and the single regular hexagonal prism surface offers recess, the centre of sphere of recess
On the central axis of regular hexagonal prism, the regular hexagonal prism trailing flank is fixed with sealing plate, there are two the sealing plate leading flank is connected
Support plate is provided with absorptive membrane between two support plates, and the absorptive membrane two sides are provided with snap-gauge, and the snap-gauge is close
Support plate is fixed with connecting plate on one side, and the position contacted in the support plate with connecting plate offers card slot, inside card slot
It is provided with spring, spring one end and support plate are connected, and the spring other end and connecting plate are connected；It is compound by this when work
Material of the steel plate as soundproof construction, when sound transmits, first by the shiny surface of the recess opened up on steel plate ontology by sound
Reflection, the sound after reflection are all collected at the sphere center position of recess, and sound wave generates vibration to absorptive membrane, and absorptive membrane generates deformation
Then restore again, consume the energy of sound, advantageously reduce the propagation of sound, improve the assimilation effect of sound, when sound more
When big, absorptive membrane becomes convex and reaches the limit of, and absorptive membrane drives connecting plate at this time, and connecting plate squeezes spring, moves backward absorptive membrane
It is farther, sound is continued to move to after the sphere center position of recess in sound-absorbing film surface, is occupied bigger area, is made absorptive membrane
The area for receiving sound is bigger, and sound reaches more preferable to the assimilation effect of sound when absorptive membrane simultaneously, prevents sound from gathering together
It is a little upper and cannot greatly absorb sound, while after opening up a recess from steel plate body surface, it can reduce stainless
The use of steel, while when from a face pressing steel plate ontology far from sealing plate, steel plate ontology can from recess middle part to two side dumping power,
Strengthen the toughness of steel plate ontology.
Preferably, the sound-absorbing film surface offers multiple first wedge slots, is placed with subplate inside first wedge slot, close to secondary
The second wedge slot is offered on absorptive membrane in the middle part of plate, there are two hangnails for the end setting of the second wedge slot；First wedge slot can inhaled
When sound film becomes convex, the second wedge slot angle becomes smaller, and enables absorptive membrane is easier to shake, while sound wave enters in first wedge slot
When, multiple reflections are carried out by subplate, can be propagated in first wedge slot more long, preferably to absorptive membrane shaken and to sound
The energy of wave is lost, and a part of sound wave enters in the second wedge slot, when the second wedge slot angle becomes smaller, two hangnails
The second wedge slot is closed after contact, a part of sound is made to turn again to hangnail surface, absorbs a part of sound, process is multiple
The cooperation of aspect can preferably weaken the energy of sound wave.
Preferably, the hangnail offers gap close to first wedge slot on one side, and two in each second wedge slot fall
One of hangnail surface in thorn is fixed with plug-in unit, another hangnail surface is offered with plug-in unit to matched slot；When
When two hangnails become smaller and contact with each other since absorptive membrane deforms the second wedge slot angle, plug-in unit is inserted into slot, is delayed
Speed when two hangnails separation, preferably makes the sound wave weaken the energy of itself, while hangnail deflection in the second wedge slot
When big, gap can be such that hangnail preferably deforms and be unlikely to damage.
Preferably, the card slot is internally provided with multiple protrusions, and protrusion is hollow to be arranged and be located at convex in two support plates
It rises and shifts to install, offer gas hole on raised wall thickness；When sound is larger, absorptive membrane is pushed, absorptive membrane drives connecting plate
It squeezes spring and moves, wherein one of end of support plate is caused due to the expression lobes by raised blocking first
After absorptive membrane is swung when moving, while expression lobes cross protrusion, gas is blown out from gas hole, blows to sound-absorbing film surface
Afterwards, it is finally flow to from plug-in unit from first wedge slot, reduces the rate that plug-in unit is removed from slot, further enhance to sound wave
Weakening effect, while the protrusion being located in two support plates shifts to install, and opposite during absorptive membrane is mobile can seal
Plate tilts back and forth, enters more sound waves in first wedge slot, increases the absorption of sound wave.
Preferably, the absorptive membrane trailing flank is provided with a plurality of adhesive strip, and the adhesive strip surface is communicated with connecting tube, institute
Connecting tube one end is stated to be arranged in lobed interior；Adhesive strip can play pulling effect to absorptive membrane when absorptive membrane becomes convex, simultaneously
In gas indentation protrusion in the space for surrounding adhesive strip therewith after absorptive membrane deformation, make to store more gases in protrusion,
The time for finally making protrusion be insufflated to hangnail surface is elongated, the efficiency for further having delayed plug-in unit to remove from slot.
Preferably, diameter of the connecting tube close to one end of protrusion is small, and is provided with ring-shaped gasbag in the middle part of connecting tube；From
The expansion that the gas squeezed out at adhesive strip passes through ring-shaped gasbag first saves, when one end of the connection board opens up expression lobes,
Connecting plate blocks gas hole, and the gas in protrusion will not come out, and after protrusion is crossed in connecting plate end, protrusion is squeezed and deformed
When, the gas in gas and protrusion in ring-shaped gasbag is blown out under the action of ring-shaped gasbag recuperability from gas hole, is increased
The effect of air-flow, the efficiency for further having delayed plug-in unit to remove from slot ensure that the absorption of sound wave.
Technical effect and advantage of the invention:
1. composite seal type stainless-steel sheet provided by the invention passes through steel by setting recess and absorptive membrane first
The shiny surface of the recess opened up on plate ontology is by sound reflection, and the sound after reflection is all collected at the sphere center position of recess, sound
Wave generates vibration to absorptive membrane, and absorptive membrane generates deformation and then restores again, consumes the energy of sound, advantageously reduce sound
It propagates, improves the assimilation effect of sound, when sound is bigger, absorptive membrane becomes convex and reaches the limit of, and absorptive membrane drives connecting plate at this time,
Connecting plate squeezes spring, moves backward absorptive membrane farther, sound continues to move to sound-absorbing after the sphere center position of recess
In film surface, occupy bigger area, make absorptive membrane receive sound area it is bigger, prevent sound gather in same point without
It can greatly absorb sound, while after opening up a recess from steel plate body surface, the use of stainless steel can be reduced, together
When from far from sealing plate a face pressing steel plate ontology when, steel plate ontology can from recess middle part to two side dumping power, strengthen steel plate
The toughness of ontology.
2. composite seal type stainless-steel sheet provided by the invention, by the way that first wedge slot, the second wedge slot, first wedge is arranged
Slot can be when absorptive membrane becomes convex, and the second wedge slot angle becomes smaller, and enables absorptive membrane is easier to shake, while sound wave enters the
When in one wedge slot, multiple reflections are carried out by subplate, what can be propagated in absorptive membrane is more long, preferably carries out to the energy of sound wave
Loss, and a part of sound wave enters in the second wedge slot, when the second wedge slot angle becomes smaller, to second after two hangnail contacts
Wedge slot is closed, and retains sound in the second wedge slot more long, and the energy of itself is consumed to the more long of absorptive membrane vibration
Amount, by the cooperation of many aspects, can preferably weaken the energy of sound wave.
3. composite seal type stainless-steel sheet provided by the invention, by setting plug-in unit and slot, when two hangnail phases
Mutually when contact, plug-in unit is inserted into slot, has been delayed speed when two hangnail separation, has preferably been made sound wave in the second wedge
Weaken the energy of itself in slot.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the portion the A enlarged drawing of Fig. 1 in the present invention；
Fig. 3 is the portion the B enlarged drawing of Fig. 1 of the invention；
Fig. 4 is steel plate ontology rearview of the invention；
In figure: steel plate ontology 1, regular hexagonal prism 101, recess 102, sealing plate 2, support plate 3, absorptive membrane 4, snap-gauge 5, connecting plate
6, first wedge slot 7, subplate 8, the second wedge slot 9, hangnail 10, gap 11, plug-in unit 12, slot 13, protrusion 14, gas hole 15, bonding
Item 16, connecting tube 17, ring-shaped gasbag 18.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figs 1-4, composite seal type stainless-steel sheet of the present invention, including steel plate ontology 1, the steel plate
Ontology 1 is made of multiple regular hexagonal prisms 101, and single 101 surface of regular hexagonal prism offers recess 102, be recessed 102 the centre of sphere
On the central axis of regular hexagonal prism 101,101 trailing flank of regular hexagonal prism is fixed with sealing plate 2, and 2 leading flank of sealing plate is solid
Even there are two support plate 3, it is provided with absorptive membrane 4 between two support plates 3,4 two sides of absorptive membrane are provided with snap-gauge
5, the snap-gauge 5 is fixed with connecting plate 6 close to support plate 3 on one side, and the position contacted in the support plate 3 with connecting plate 6 is opened
Equipped with card slot, it is provided with spring inside card slot, spring one end and support plate 3 are connected, and the spring other end and connecting plate 6 are solid
Even；When work, material by this clad steel plate as soundproof construction, when sound transmits, first by being opened up on steel plate ontology 1
Recess 102 shiny surface by sound reflection, the sound after reflection be all collected at recess 102 sphere center position at, sound wave is to suction
Sound film 4 generates vibration, and absorptive membrane 4 generates deformation and then restores again, consumes the energy of sound, advantageously reduce the biography of sound
It broadcasts, improves the assimilation effect of sound, when sound is bigger, absorptive membrane 4 becomes convex and reaches the limit of, and absorptive membrane 4 drives connecting plate at this time
6, connecting plate 6 squeezes spring, moves backward absorptive membrane 4 farther, and sphere center position subsequent reforwarding of the sound by recess 102 is dynamic
Onto 4 surface of absorptive membrane, bigger area is occupied, the area for making absorptive membrane 4 receive sound is bigger, and sound reaches absorptive membrane simultaneously
It is more preferable to the assimilation effect of sound when 4, prevent sound from gathering in same point and cannot greatly absorb sound, while from
After 1 surface of steel plate ontology opens up a recess 102, the use of stainless steel can be reduced, while squeezing from the one side far from sealing plate 2
When steel plate ontology 1, steel plate ontology 1 can strengthen the toughness of steel plate ontology 1 from 102 middle part of recess to two side dumping power.
4 surface of absorptive membrane offers multiple first wedge slots 7, is placed with subplate 8 inside first wedge slot 7, close to subplate 8
The second wedge slot 9 is offered on the absorptive membrane 4 at middle part, there are two hangnails 10 for the end setting of the second wedge slot 9；First wedge slot 7 can
When absorptive membrane 4 becomes convex, 9 angle of the second wedge slot becomes smaller, and enables absorptive membrane 4 is easier to shake, while sound wave enters first
When in wedge slot 7, multiple reflections are carried out by subplate 8, what can be propagated in first wedge slot 7 is more long, preferably carries out to absorptive membrane 4
It shakes and the energy of sound wave is lost, and a part of sound wave enters in the second wedge slot 9, become in 9 angle of the second wedge slot
Hour, two hangnails 10 close the second wedge slot 9 after contacting, and a part of sound is made to turn again to 10 surface of hangnail, absorb
A part of sound can preferably weaken the energy of sound wave by the cooperation of many aspects.
The hangnail 10 offers gap 11, and two hangnails in each second wedge slot 9 close to first wedge slot 7 on one side
10 surface of one of hangnail in 10 is fixed with plug-in unit 12, another 10 surface of hangnail is offered with plug-in unit 12 to matched
Slot 13；When two hangnails 10 become smaller and contact with each other since absorptive membrane 4 deforms 9 angle of the second wedge slot, plug-in unit 12 can be inserted
Enter into slot 13, speed when two hangnails 10 having been delayed to separate preferably makes sound wave weaken itself in the second wedge slot 9
Energy, while when 10 deflection of hangnail is big, gap 11 can make hangnail 10 preferably deformation and be unlikely to damage.
The card slot is internally provided with multiple raised 14, the hollow protrusion being arranged and be located in two support plates 3 of protrusion 14
14 shift to install, and offer gas hole 15 on the wall thickness of protrusion 14；When sound is larger, absorptive membrane 4 is pushed, absorptive membrane 4 drives
Connecting plate 6 squeezes spring and moves, and wherein one of end of support plate 3 is squeezed due to the blocking by protrusion 14 first
After protrusion 14, causes absorptive membrane 4 to swing when moving, while expression lobes 14 cross protrusion 14, gas is blown from gas hole 15
Out, it after blowing to 4 surface of absorptive membrane, is finally flow to from plug-in unit 12 from first wedge slot 7, reduces plug-in unit 12 and removed from slot 13
Rate, further enhance the weakening effect to sound wave, while the protrusion 14 being located in two support plates 3 shifts to install, energy
Enough sealing plates 2 opposite during absorptive membrane 4 is mobile tilt back and forth, enter more sound waves in first wedge slot 7, increasing sound
The absorption of wave.
4 trailing flank of absorptive membrane is provided with a plurality of adhesive strip 16, and 16 surface of adhesive strip is communicated with connecting tube 17, institute
The setting of 17 one end of connecting tube is stated inside protrusion 14；Adhesive strip 16 can play pulling effect to absorptive membrane 4 when absorptive membrane 4 becomes convex
Fruit, while in the gas indentation protrusion 14 in the space for surrounding adhesive strip 16 therewith after the deformation of absorptive membrane 4, make to deposit in protrusion 14
More gases are stored up, the time for finally making protrusion 14 be insufflated to 10 surface of hangnail is elongated, has further delayed plug-in unit 12 from slot
The efficiency removed in 13.
The diameter of the one end of the connecting tube 17 close to protrusion 14 is small, and ring-shaped gasbag 18 is provided in the middle part of connecting tube 17；
The expansion that the gas squeezed out from adhesive strip 16 passes through ring-shaped gasbag 18 first saves, when 6 one end of connecting plate opens up extruding
When raised, connecting plate blocks gas hole 15, and the gas in protrusion 14 will not come out, will after protrusion 14 is crossed in 6 end of connecting plate
When protrusion 14 is squeezed and deformed, the gas in gas and protrusion 14 in ring-shaped gasbag 18 is under the action of 18 recuperability of ring-shaped gasbag
It is blown out from gas hole 15, increases the effect of air-flow, the efficiency for further having delayed plug-in unit 12 to remove from slot 13 ensure that
The absorption of sound wave.
When work, material by this clad steel plate as soundproof construction when sound transmits, passes through steel plate ontology 1 first
On the shiny surface of recess 102 that opens up by sound reflection, the sound after reflection is all collected at the sphere center position of recess 102, sound
Wave generates vibration to absorptive membrane 4, and absorptive membrane 4 generates deformation and then restores again, consumes the energy of sound, advantageously reduce sound
Propagation, improve the assimilation effect of sound, when sound is bigger, absorptive membrane 4 becomes convex and reaches the limit of, at this time absorptive membrane 4 drive connect
Fishplate bar 6, connecting plate 6 squeeze spring, move backward absorptive membrane 4 farther, and sound continues after the sphere center position of recess 102
It moves on 4 surface of absorptive membrane, occupies bigger area, the area for making absorptive membrane 4 receive sound is bigger, and sound reaches suction simultaneously
It is more preferable to the assimilation effect of sound when sound film 4, prevent sound from gathering in same point and cannot greatly absorb sound, together
When open up a recess 102 from 1 surface of steel plate ontology after, the use of stainless steel can be reduced, while from the one side far from sealing plate 2
When pressing steel plate ontology 1, steel plate ontology 1 can strengthen the toughness of steel plate ontology 1 from 102 middle part of recess to two side dumping power,
First wedge slot 7 can be when absorptive membrane 4 becomes convex, and 9 angle of the second wedge slot becomes smaller, and enables absorptive membrane 4 is easier to shake, simultaneously
When sound wave is entered in first wedge slot 7, multiple reflections are carried out by subplate 8, what can be propagated in first wedge slot 7 is more long, preferably
Absorptive membrane 4 is shaken and the energy of sound wave is lost, and a part of sound wave enters in the second wedge slot 9,
When two wedge slots, 9 angle becomes smaller, two hangnails 10 close the second wedge slot 9 after contacting, and turn again to down a part of sound
10 surfaces are pierced, a part of sound is absorbed, by the cooperation of many aspects, can preferably weaken the energy of sound wave, are fallen when two
When thorn 10 becomes smaller and contacts with each other since absorptive membrane 4 deforms 9 angle of the second wedge slot, plug-in unit 12 is inserted into slot 13, is prolonged
Speed when two hangnails 10 separate is delayed, sound wave is preferably made to weaken the energy of itself, while hangnail 10 in the second wedge slot 9
When deflection is big, gap 11 can make hangnail 10 preferably deform and be unlikely to damage, and when sound is larger, push absorptive membrane 4,
Absorptive membrane 4 drive connecting plate 6 squeeze spring and move, first wherein one of end of support plate 3 due to by protrusion 14
Blocking and expression lobes 14, cause absorptive membrane 4 to swing when moving, at the same expression lobes 14 cross protrusion 14 after, by gas
From gas hole 15 blow out, after blowing to 4 surface of absorptive membrane, finally flow to from plug-in unit 12 from first wedge slot 7, reduce plug-in unit 12 from
The rate removed in slot 13 further enhances the weakening effect to sound wave, while the protrusion 14 being located in two support plates 3
It shifts to install, opposite sealing plate 2 can be tilted back and forth during absorptive membrane 4 is mobile, more sound waves is made to enter first wedge
In slot 7, the absorption of sound wave is increased, adhesive strip 16 can play pulling effect to absorptive membrane 4 when absorptive membrane 4 becomes convex, inhale simultaneously
In gas indentation protrusion 14 in the space that sound film 4 surrounds adhesive strip 16 after deforming therewith, keep storage in protrusion 14 more
Gas, the time for finally making protrusion 14 be insufflated to 10 surface of hangnail is elongated, and plug-in unit 12 has further been delayed to remove from slot 13
Efficiency, the gas squeezed out from adhesive strip 16 passes through the expansion of ring-shaped gasbag 18 first and saves, when 6 one end of connecting plate is opened
If when expression lobes, connecting plate blocks gas hole 15, and the gas in protrusion 14 will not come out, when protrusion is crossed in 6 end of connecting plate
After 14, when protrusion 14 is squeezed and deformed, the gas in gas and protrusion 14 in ring-shaped gasbag 18 is in 18 recuperability of ring-shaped gasbag
Under the action of from gas hole 15 blow out, increase the effect of air-flow, the effect for further having delayed plug-in unit 12 to remove from slot 13
Rate ensure that the absorption of sound wave.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. composite seal type stainless-steel sheet, including steel plate ontology (1), it is characterised in that: the steel plate ontology (1) is by multiple
Regular hexagonal prism (101) composition, single regular hexagonal prism (101) surface offer recess (102), and the centre of sphere of recess (102) exists
On the central axis of regular hexagonal prism (101), regular hexagonal prism (101) trailing flank is fixed with sealing plate (2), before the sealing plate (2)
There are two side is connected support plate (3), it is provided with absorptive membrane (4) between two support plates (3), the absorptive membrane (4) two
Side is provided with snap-gauge (5), and the snap-gauge (5) is fixed with connecting plate (6) on one side close to support plate (3), the support plate (3)
The upper position contacted with connecting plate (6) offers card slot, is provided with spring inside card slot, spring one end and support plate (3) are solid
Even, the spring other end and connecting plate 6 are connected.
2. composite seal type stainless-steel sheet according to claim 1, it is characterised in that: absorptive membrane (4) surface
Multiple first wedge slots (7) are offered, are placed with subplate (8) inside first wedge slot (7), the absorptive membrane (4) in the middle part of subplate (8)
On offer the second wedge slot (9), there are two hangnail (10) for the end setting of the second wedge slot (9).
3. composite seal type stainless-steel sheet according to claim 2, it is characterised in that: the hangnail (10) is close to the
One wedge slot (7) offers gap (11) on one side, and one of them in two hangnails (10) in each second wedge slot (9) is fallen
Thorn (10) surface is fixed with plug-in unit (12), another hangnail (10) surface is offered with plug-in unit (12) to matched slot
(13)。
4. composite seal type stainless-steel sheet according to claim 3, it is characterised in that: the card slot is internally provided with
Multiple protrusions (14), raised (14) hollow setting and the protrusion (14) being located on two support plates (3) shift to install, raised (14)
Wall thickness on offer gas hole (15).
5. composite seal type stainless-steel sheet according to claim 4, it is characterised in that: on rear side of the absorptive membrane (4)
Face is provided with a plurality of adhesive strip (16), and adhesive strip (16) surface is communicated with connecting tube (17), described connecting tube (17) one end
Setting is internal in raised (14).
6. composite seal type stainless-steel sheet according to claim 5, it is characterised in that: the connecting tube (17) is close
The diameter of the one end of raised (14) is small, and is provided with ring-shaped gasbag (18) in the middle part of connecting tube (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220896.7A CN109914630B (en) | 2019-03-22 | 2019-03-22 | Composite sealing type stainless steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220896.7A CN109914630B (en) | 2019-03-22 | 2019-03-22 | Composite sealing type stainless steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109914630A true CN109914630A (en) | 2019-06-21 |
| CN109914630B CN109914630B (en) | 2020-12-18 |
Family
ID=66966355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910220896.7A Active CN109914630B (en) | 2019-03-22 | 2019-03-22 | Composite sealing type stainless steel plate |
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| Country | Link |
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| CN (1) | CN109914630B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730931A (en) * | 2020-07-14 | 2020-10-02 | 余兆勇 | Composite sealing type stainless steel plate |
| CN112726859A (en) * | 2020-12-28 | 2021-04-30 | 南京柯庆慕文化传媒有限公司 | Building plywood of making an uproar that separates |
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|---|---|---|---|---|
| CN2628630Y (en) * | 2003-08-27 | 2004-07-28 | 胡晓龙 | Decorative acoustic board |
| JP2005227333A (en) * | 2004-02-10 | 2005-08-25 | Bridgestone Kbg Co Ltd | Composite sound absorbing structure |
| KR20110021843A (en) * | 2008-05-05 | 2011-03-04 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Acoustic composite |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109914630B (en) | 2020-12-18 |
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