CN205777717U - Anticorrosion damp type air-tightness plugging structure - Google Patents
Anticorrosion damp type air-tightness plugging structure Download PDFInfo
- Publication number
- CN205777717U CN205777717U CN201620705857.8U CN201620705857U CN205777717U CN 205777717 U CN205777717 U CN 205777717U CN 201620705857 U CN201620705857 U CN 201620705857U CN 205777717 U CN205777717 U CN 205777717U
- Authority
- CN
- China
- Prior art keywords
- anticorrosion
- channel
- section steel
- tightness
- type air
- 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.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 229920002635 polyurethane Polymers 0.000 claims description 24
- 239000004814 polyurethane Substances 0.000 claims description 24
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims description 2
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009413 insulation Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 229910000914 Mn alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- -1 gold Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- YJVLWFXZVBOFRZ-UHFFFAOYSA-N titanium zinc Chemical compound [Ti].[Zn] YJVLWFXZVBOFRZ-UHFFFAOYSA-N 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
This utility model provides anticorrosion damp type air-tightness plugging structure, mainly includes a few font spring damping sheets, the anticorrosion block wall component vertically supporting a few font spring damping sheets and beams of concrete that the anticorrosion roof boarding being positioned at top is connected with anticorrosion roof boarding.Anticorrosion damp type air-tightness plugging structure air-tightness plugging effect is good, corrosion resistance is strong, rigidity is big, sound insulation value is good for this, realizing being formed between functional areas and be completely independent closing space, can be widely used for urban life burning electricity generation project, waste disposal station, plant etc. has the building of strict demand to air-tightness and anti-corrosive properties.
Description
Technical field
This utility model relates to a kind of isolation building interval and separates plugging structure, is specifically related to anticorrosion damp type air-tightness
Plugging structure.
Background technology
Municipal solid wastes incineration power generation project, waste disposal station, plant, gymnasium, airport etc. to air-tightness and
Anti-corrosive properties have the building surface in big industrial factory of the building of strict demand to build, public long span building, generally use color steel, aluminum conjunction
The sheet metals such as gold, Al-Mg-Mn alloy and titanium zinc alloy are as the sheet material of block wall, block wall and roof covering metal plate, metope metal
Plate connects, and forms interval separation structure, but these tradition plugging separating structures exist following shortcoming:
(1) poor air-tightness.Air-tightness requires the highest for green waste incineration and generating electricity project, salvage station, plant, its
Middle functional areas are harmful, poisonous, etchant gas content high, and high volatility, medium poisonous gas degree is higher, and design does not allows
Gas is had to leak into adjacent functional interval, it is necessary to carry out air-tightness closure and closure test.Traditional block wall use color steel,
The sheet metals such as aluminium alloy, Al-Mg-Mn alloy and titanium zinc alloy are as the sheet material of block wall, and between sheet material connects, gap is more, this
Air-tightness plugging effect can not be reached in matter, there is the biggest defect.
(2) antiseptic property aspect is poor.Common color steel is cold-rolled steel sheet, galvanized steel plain sheet, after carrying out chemical surface treatment
Coating (roller coat) or compound organic film (PVC film etc.), more toasted solidification and the product made, owing to being steel plate+spraying
Material, when after disbonding, internal steel plate is as easy as rolling off a log under corrosive gas effect gets rusty, thus causes closure to lose efficacy, impact
Use, even hide some dangers for structural safety.
(3) insulation, sound insulation value are poor.Design based on cost, general color steel is at insulation and sound-proofing
Can be relatively weak, if heat-insulating sound-insulating effect to be improved, need to thicken interlayer and dividing plate, cost will increase.
Therefore, for case above, this utility model provides anticorrosion damp type air-tightness plugging structure.
Utility model content
The purpose of this utility model patent is to propose anticorrosion damp type air-tightness plugging structure, can effectively realize air-tightness
Plugging effect, can discharge again roof boarding because of the dilatation caused under temperature stress, wind action, prevents roof boarding because of closure
Wall and hinder deformation and cause bending or tear, inherently solve between two functional areas air-tightness closure, it is achieved merit
Autonomous closure space can be formed in district.
The technical solution of the utility model is: anticorrosion damp type air-tightness plugging structure, including anticorrosion roof boarding, a few word
Type spring damping sheet, anticorrosion block wall component and beams of concrete, described beams of concrete is provided with anticorrosion block wall component；Described anti-
Rotten block wall component includes anticorrosion polyurethane laminboard, the square tube Os Draconis supporting anticorrosion polyurethane laminboard and is linked in anticorrosion and gathers
The channel-section steel A and channel-section steel B at the upper and lower two ends of urethane battenboard；Described a few font spring damping sheet upper end and anticorrosion roof boarding are by first
Anticorrosion self-drilling connection, lower end is connected with the channel-section steel A of anticorrosion polyurethane laminboard upper end by the second anticorrosion tapping screw；Institute
Stating and there is groove gap between anticorrosion roof boarding and a few font spring damping sheet, in described groove gap, supporting corresponding foam blocks up
Head, described channel-section steel B connects beams of concrete with the form of built-in fitting.
As preferably, described anticorrosion polyurethane laminboard is spliced by polylith central layer is chimeric, junction between described central layer
For being provided with a undercut in the rectangular teeth matched each other, and chimeric place, being provided with the 3rd anticorrosion tapping screw in described undercut will be anti-
Rotten polyurethane laminboard is fixing with described square tube Os Draconis to be connected.
As preferably, described square tube Os Draconis connect firmly in described channel-section steel A and channel-section steel B side, nested institute between channel-section steel A with channel-section steel B
State anticorrosion polyurethane laminboard.
As preferably, described a few font spring damping sheets are formed by fluororine-carbon coating pressing metal plates；Described anticorrosion polyurethane
Battenboard uses fluororine-carbon coating aluminum-zinc alloy polyurethane laminboard；Described square tube Os Draconis and channel-section steel plating zinc on surface.
As preferably, described a few font spring damping sheets are pasted logical with anticorrosion roof boarding, foam plug, channel-section steel A junction
Long butyl adhesive tape.
As preferably, fill weather-proof between described anticorrosion polyurethane laminboard and zinc-plated channel-section steel A, zinc-plated channel-section steel B at gap
Fluid sealant gap filler.
As preferably, the seam crossing being fitting to connection between described central layer pastes weather-proof aluminium foil anticorrosion adhesive tape along gap.
The utility model has the advantage of: the anticorrosion damp type air-tightness plugging structure of this utility model patent, air-tightness
Plugging effect is good, the performance such as anti-corrosive properties, insulation, sound insulation, and globality is strong, is not susceptible to deform lightweight, processing and fabricating letter
Single, on-site consolidation is simple, convenient.Can be widely used for green waste incineration and generating electricity project, waste disposal station, plant etc. to airtight
Property and anti-corrosive properties have the building of strict demand.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is anticorrosion damp type air-tightness plugging structure profile；
Fig. 2 is Fig. 1 side cut away view；
Fig. 3 is anticorrosion polyurethane laminboard joint sectional view；
Fig. 4 is the signal of test room plane；
A be anticorrosion damp type air-tightness plugging structure, b be point position.
Detailed description of the invention
This utility model provides anticorrosion damp type air-tightness plugging structure, can effectively realize separate space air-tightness closure effect
Really, the better performances such as anti-corrosive properties, insulation, sound insulation, can be widely used for green waste incineration and generating electricity project, waste disposal station,
There are the building of strict demand in plants etc. to air-tightness and anti-corrosive properties.
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is carried out clearly and completely
Describe, it is clear that described is only a part of embodiment of this utility model rather than whole embodiments.Based on this practicality
Embodiment in novel, it is every other that those of ordinary skill in the art are obtained on the premise of not making creative work
Embodiment, broadly falls into the scope of this utility model protection.
In conjunction with Fig. 1, Fig. 2, anticorrosion damp type air-tightness plugging structure, mainly include anticorrosion roof boarding 10, a few font spring
Damping fin 1, anticorrosion block wall component and beams of concrete 12.Described a few font spring damping sheet 1 uses fluororine-carbon coating metallic plate pressure
System forms, and upper end is connected by the first anticorrosion tapping screw 4 with anticorrosion roof boarding 10, and junction exists groove gap, according to anti-
The version type of rotten roof boarding 10, the supporting corresponding described foam plug 11 of groove gap location, described foam plug 11, anticorrosion roof boarding 10
Paste elongated butyl adhesive tape 2 with a few font spring damping sheet 1 joints, strengthen sealing effectiveness.Described anticorrosion block wall component bag
Including anticorrosion polyurethane laminboard 7, square tube Os Draconis 6, channel-section steel A3 and channel-section steel B9, described anticorrosion polyurethane laminboard 7 upper and lower side is respectively
Nested described channel-section steel A3 and described channel-section steel B9, a few font spring damping sheet 1 lower ends and channel-section steel A3 are by the second anticorrosion tapping screw
14 connect, and elongated butyl adhesive tape 2 is pasted in junction, strengthen closure junction air-tightness.Described square tube Os Draconis 6 head and the tail two ends and groove
Steel A3, channel-section steel B9 connect firmly formation block wall structural outer frame, are embedded described anticorrosion polyurethane laminboard between channel-section steel A and channel-section steel B.Whole
Individual plugging structure fills in beams of concrete 12 by the embedded part of welding under described channel-section steel B9, forms block wall structure, connects effect
Good with air-tightness.
In conjunction with Fig. 3, anticorrosion polyurethane laminboard 7 is spliced by polylith central layer is chimeric, and between described central layer, junction is mutual
It is provided with a undercut in the rectangular teeth matched, and chimeric place, the 3rd anticorrosion tapping screw 8 is installed in described undercut anticorrosion is gathered
Urethane battenboard is fixing with described square tube Os Draconis 6 to be connected, and between described central layer, the seam crossing of chimeric splicing pastes weather-proof aluminum along gap
Paper tinsel anticorrosion adhesive tape 13, prevents gases did escape, it is ensured that air-tightness is with anticorrosive.
It is below to the actual measurement checking of embodiment hermeticity experiment:
Its hermeticity experiment uses the pneumatic process that detection architectural exterior-protecting construction air-tightness is universal both at home and abroad, and evaluation criterion uses
Europe Architecture air tightness test standard EN 13829:2001 " Thermal performance of buildings Fan
Pressurization method ", test uses DG 700 type air tightness detection system.
Respectively select two vacant rooms of size, in a room between be respectively mounted this utility model sample, room is divided into
Two of substantially equal spaces of size, carry out encapsulation process to room, use DG 700 type air tightness detection system respectively to size
In two rooms, sample is tested, often group experimental test three times, and measured data result is as follows:
Experimental data shows, the ACH of measurand50The most secondary less than 3.0h-1, build less than gravity-flow ventilation in DIN
The air-tightness upper limit specifies, the ACH of only one measurand50Slightly larger than 1.5h-1, measurand ACH50Overall less than DIN
Middle force ventilation building air-tightness upper limit regulation, the air-tightness of this anticorrosion damp type air-tightness plugging structure is preferable.
The utility model has the advantage of: anticorrosion damp type air-tightness plugging structure, utilize anticorrosion roof boarding, a few font bullet
Spring damping fin, anticorrosion block wall component and beams of concrete form anticorrosion block wall structure, both can guarantee that the air-tightness of plugging structure
Effect, resists environment acid and alkali corrosion, can discharge again roof boarding because of the dilatation caused under temperature stress, wind action, anti-
Only roof boarding hinders deformation to cause bending or tear because of anticorrosion block wall.This anticorrosion damp type air-tightness plugging structure is airtight
Property plugging effect is good, corrosion resistance is strong, rigidity is big, lightweight, sound insulation value good, on-site consolidation is simple, convenient, well solves
The problems such as foul smell air-tightness closure between two functional areas and roof boarding deformation, it is achieved formed between functional areas and be completely independent
Closing space, can be widely used for urban life burning electricity generation project, waste disposal station, plant etc. has air-tightness and anti-corrosive properties
The building being strict with.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to
Assert that of the present utility model being embodied as is confined to these explanations.Ordinary skill for this utility model art
For personnel, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should regard
For belonging to protection domain of the present utility model.
Claims (7)
1. anticorrosion damp type air-tightness plugging structure, this plugging structure includes anticorrosion roof boarding, a few font spring damping sheet, anticorrosion
Block wall component and beams of concrete, it is characterised in that described beams of concrete is provided with anticorrosion block wall component；Described anticorrosion blocks
Wall member includes anticorrosion polyurethane laminboard, the square tube Os Draconis supporting anticorrosion polyurethane laminboard and is linked in anticorrosion polyurethane folder
The channel-section steel A and channel-section steel B at the upper and lower two ends of central layer；Described a few font spring damping sheet upper end is with anticorrosion roof boarding by the first anticorrosion certainly
Attacking screw to connect, lower end is connected with the channel-section steel A of anticorrosion polyurethane laminboard upper end by the second anticorrosion tapping screw；Described anticorrosion
There is groove gap between roof boarding and a few font spring damping sheet, in described groove gap, supporting corresponding foam plug, described
Channel-section steel B connects beams of concrete with the form of built-in fitting.
2. anticorrosion damp type air-tightness plugging structure as claimed in claim 1, it is characterised in that: described anticorrosion polyurethane laminboard
Being spliced by polylith central layer is chimeric, between described central layer, to be provided with one in being the rectangular teeth matched each other, and chimeric place dark in junction
Groove, is provided with the 3rd anticorrosion tapping screw and is connected fixing to anticorrosion polyurethane laminboard and described square tube Os Draconis in described undercut.
3. anticorrosion damp type air-tightness plugging structure as claimed in claim 1, it is characterised in that: described square tube Os Draconis connect firmly in institute
State channel-section steel A and channel-section steel B side, nested described anticorrosion polyurethane laminboard between channel-section steel A with channel-section steel B.
4. anticorrosion damp type air-tightness plugging structure as claimed in claim 1, it is characterised in that: described a few font spring damping sheets
Formed by fluororine-carbon coating pressing metal plates；Described anticorrosion polyurethane laminboard uses fluororine-carbon coating aluminum-zinc alloy polyurethane laminboard；
Described square tube Os Draconis and channel-section steel plating zinc on surface.
5. anticorrosion damp type air-tightness plugging structure as claimed in claim 1, it is characterised in that: described a few font spring damping sheets
Elongated butyl adhesive tape is pasted with anticorrosion roof boarding, foam plug, channel-section steel A junction.
6. anticorrosion damp type air-tightness plugging structure as claimed in claim 1, it is characterised in that: described anticorrosion polyurethane laminboard
And fill weather proofing sealant gap filler between zinc-plated channel-section steel A, zinc-plated channel-section steel B at gap.
7. anticorrosion damp type air-tightness plugging structure as claimed in claim 2, it is characterised in that: it is fitting to connection between described central layer
Seam crossing pastes weather-proof aluminium foil anticorrosion adhesive tape along gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620705857.8U CN205777717U (en) | 2016-07-06 | 2016-07-06 | Anticorrosion damp type air-tightness plugging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620705857.8U CN205777717U (en) | 2016-07-06 | 2016-07-06 | Anticorrosion damp type air-tightness plugging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205777717U true CN205777717U (en) | 2016-12-07 |
Family
ID=58124563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620705857.8U Expired - Fee Related CN205777717U (en) | 2016-07-06 | 2016-07-06 | Anticorrosion damp type air-tightness plugging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205777717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587629A (en) * | 2016-07-06 | 2018-01-16 | 广东精工钢结构有限公司 | Anti-corrosion damp type air-tightness plugging structure |
-
2016
- 2016-07-06 CN CN201620705857.8U patent/CN205777717U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587629A (en) * | 2016-07-06 | 2018-01-16 | 广东精工钢结构有限公司 | Anti-corrosion damp type air-tightness plugging structure |
| CN107587629B (en) * | 2016-07-06 | 2019-04-19 | 广东精工钢结构有限公司 | Anti-corrosion damp type air-tightness plugging structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3303718B1 (en) | Thermal insulating and sealing means for a safing slot in a curtain wall | |
| CN205777717U (en) | Anticorrosion damp type air-tightness plugging structure | |
| CN201099946Y (en) | Built-in water proof snap-fastener plate roof or wall surface structure | |
| CN107587629B (en) | Anti-corrosion damp type air-tightness plugging structure | |
| CN107489217A (en) | A kind of normally closed type folding house roof building enclosure | |
| CN105544827B (en) | Curtain-wall water-proof structure and GRC curtain wall and curtain wall panel with waterproof construction | |
| CN211007162U (en) | Steel construction building wall | |
| CN110778036B (en) | Combined roof system of metal tiles and metal eaves rafters | |
| CN209760522U (en) | Light gauge steel aluminium cone core aviation board partition wall | |
| CN111809779B (en) | Stably-installed building curtain wall structure | |
| CN112878592A (en) | Double-deck heat preservation fire prevention waterproof decoration aluminum plate | |
| CN207003844U (en) | A kind of movable plank house waterproof construction | |
| CN203100119U (en) | Foaming panel of air conditioning unit and foaming panel assembly | |
| CN207122237U (en) | Aluminium alloy fire window | |
| CN106498407B (en) | The installation method of sacrificial anode zinc bar in bolt connecting type GFS storage tanks | |
| CN106760344B (en) | Heat-insulating decorative composite board with I-shaped connecting piece | |
| CN203641698U (en) | Integral heat-insulation color steel air pipe | |
| CN215441523U (en) | Prefabricated steel plate for fireproof sealing above door end door of subway platform | |
| CN220768600U (en) | Environment-friendly anticorrosive paint color steel plate | |
| CN215907213U (en) | Steel construction roofing waterproof construction | |
| CN213296686U (en) | Membrane isolation protection system | |
| CN216974632U (en) | Explosion venting door | |
| CN106351407A (en) | Waterproof structure used in steel structure roof | |
| CN204659089U (en) | Metal pressing plate thermal-insulating waterproof coiled material | |
| CN212077677U (en) | Corrosion-resistant acoustic celotex board for highway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |