CN109184006A - Metope expansion joint lightgage steel joist sliding system and its installation method - Google Patents
Metope expansion joint lightgage steel joist sliding system and its installation method Download PDFInfo
- Publication number
- CN109184006A CN109184006A CN201811201097.7A CN201811201097A CN109184006A CN 109184006 A CN109184006 A CN 109184006A CN 201811201097 A CN201811201097 A CN 201811201097A CN 109184006 A CN109184006 A CN 109184006A
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- Prior art keywords
- keel
- wall
- card
- auxiliary
- type main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 41
- 239000010959 steel Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title abstract description 13
- 239000002344 surface layer Substances 0.000 claims abstract 7
- 229910052602 gypsum Inorganic materials 0.000 claims description 9
- 239000010440 gypsum Substances 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 238000005034 decoration Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010079 rubber tapping Methods 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920001800 Shellac Polymers 0.000 description 2
- 230000003796 beauty Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 2
- 229940113147 shellac Drugs 0.000 description 2
- 235000013874 shellac Nutrition 0.000 description 2
- 239000004208 shellac Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 241000132536 Cirsium Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/681—Sealings of joints, e.g. expansion joints for free moving parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Finishing Walls (AREA)
Abstract
本发明公开了一种墙面伸缩缝轻钢龙骨滑动系统及其安装方法，系统包括固定于伸缩缝两侧墙体上的卡式主龙骨和用于安装装饰面层的多个副龙骨，两侧的所述卡式主龙骨上相对设有卡槽，所述副龙骨的两端分别卡合于两侧所述卡式主龙骨的卡槽中且可沿所述卡槽滑动，多个所述副龙骨于背向所述墙体的一侧呈现出供铺设装饰面层的平整附着面。本发明提供的墙面伸缩缝轻钢龙骨滑动系统，在安装后，当墙体因变形而产生位移时，能够通过卡式主龙骨和副龙骨的相对滑动实现伸缩，装饰面层平整地固定在副龙骨的外侧，不会受到墙体位移的任何不利影响。在保证墙体能够自由伸缩变形的同时，能够保持墙面的平整美观。
The invention discloses a light steel keel sliding system for wall expansion joints and an installation method thereof. The system comprises a card-type main keel fixed on the walls on both sides of the expansion joint and a plurality of auxiliary keels for installing decorative surface layers. The card-type main keel on the side is oppositely provided with a card slot, and the two ends of the auxiliary keel are respectively engaged in the card-type main keel on both sides and can slide along the card groove. The auxiliary keel presents a flat attachment surface for laying a decorative surface layer on the side facing away from the wall. The light steel keel sliding system for wall expansion joints provided by the invention can realize expansion and contraction through the relative sliding of the main keel and the auxiliary keel of the card type when the wall body is displaced due to deformation after installation, and the decorative surface layer is flatly fixed on the The outside of the auxiliary keel will not be adversely affected by the displacement of the wall. While ensuring that the wall can be freely stretched and deformed, it can keep the wall flat and beautiful.
Description
Technical field
The present invention relates to building decoration engineering technology field more particularly to a kind of metope expansion joint lightgage steel joist sliding systems
And its installation method.
Background technique
Wall telescopic device is very widely used in building decoration engineering, requires it to sense according to different use environments
Official's effect, pattern way also differ widely.For the decoration of public building, especially public domain, sensory effects are particularly important,
Its overall effect and economic cost are also considered while considering it using function.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of metope expansion joint lightgage steel joist sliding system is provided
And its installation method, it can guarantee the intact of decorative cover when the deformation of building body expansion joint.
It realizes that above-mentioned purpose, first aspect present invention provide a kind of metope expansion joint lightgage steel joist sliding system, wraps
Include the clip type main keel being fixed on the wall of expansion joint two sides and multiple false keels for installing architectural surface, two sides it is described
Opposite on clip type main keel to be equipped with card slot, the both ends of the false keel are sticked in respectively in the card slot of clip type main keel described in two sides
And can be slided along the card slot, multiple false keels are showed in the side backwards to the wall for being laid with the flat of architectural surface
Whole attachment surface.
The beneficial effects of the present invention are: metope expansion joint lightgage steel joist sliding system provided by the invention, after mounting, when
When wall generates displacement because of deformation, flexible, architectural surface can be realized by the opposite sliding of clip type main keel and false keel
It is entirely fixed on the outside of false keel, not will receive any adverse effect of wall displacement.It can freely be stretched in guarantee wall
While compression deformation, it is able to maintain the smooth beauty of metope.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the clip type main keel passes through levelling
Rough ground is fixed on the wall.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the clip type main keel phase of two sides
Mutually it is arranged in parallel.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the expansion joint is vertical seam, institute
Clip type main keel is stated to be vertically arranged.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the architectural surface uses papery stone
The middle part of cream plate, the papery plasterboard is tiled and is fixed on the smooth attachment surface of the false keel, the papery stone
The end of the false keel is extended in the both sides of cream plate and there are certain intervals between wall.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the both sides of the papery plasterboard
The end that flitch is fixed on the false keel is turned down and passed through to the wall direction.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the flitch is fixed on the secondary dragon
The end of bone is simultaneously vertical with the false keel, and the wood is entirely fixed on after turning down 90 degree in the both sides of the papery plasterboard
Fang Shang.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the side side of the papery plasterboard
Edge is flushed with the respective side of flitch edge and there are certain intervals between the wall.
The metope expansion joint lightgage steel joist sliding system, which is further improved, to be, the clip type main keel and the pair
The U-shaped shape of keel, is respectively provided with a bottom plate and both side plate, and the bottom plate of the clip type main keel is connected to wall, the card
Slot is opened in the outer of the both side plate of the clip type main keel, and the both side plate of the false keel is arranged in the card slot, described
The bottom plate of false keel forms the smooth attachment surface.
The second aspect of the present invention provides a kind of installation method of metope expansion joint lightgage steel joist sliding system comprising
Step:
The clip type main keel described in location and installation on the wall of expansion joint two sides；
False keel is installed in the card slot of the clip type main keel and slide the false keel can along the card slot；And
In installing architectural surface on the smooth attachment surface that multiple false keels show.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram of the section structure of metope expansion joint lightgage steel joist sliding system in the embodiment of the present invention.
Fig. 2 is lightgage steel joist installation diagram in metope expansion joint lightgage steel joist sliding system in the embodiment of the present invention.
Fig. 3 is papery plasterboard installation diagram in metope expansion joint lightgage steel joist sliding system in the embodiment of the present invention.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
As shown in Figure 1, provide a kind of metope expansion joint lightgage steel joist sliding system in the embodiment of the present invention, mainly by
Clip type main keel 11 and false keel 12 two compositions.Cooperate telescopic system real by using clip type main keel 11 and false keel 12
Decorative cover is intact when having showed the deformation of building body expansion joint.
Wherein, clip type main keel 11 uses 50 type clamping joists, and matchingly, false keel 12 also uses 50 type false keels.
The structure of clip type main keel 11 and false keel 12 is the prior art, and false keel 12 is connected on clip type main keel 11 simultaneously by card slot
And the technology that false keel 12 can slide in card slot is also the prior art, this application claims be by clip type main keel and
Special construction as false keel and assembling form are applied to the peace of the architectural surface at the expansion joint between Lou Yulou, wall and wall
In dress technology, dexterously solve the problems, such as that architectural surface inevitably deforms, even cracks when the deformation of expansion joint.Meanwhile it mentioning
For the mounting means between a kind of architectural surface and above-mentioned clip type main keel, false keel, guarantee that architectural surface can be smooth and firm
Admittedly be installed in keel sliding system, improve metope entirety integrality and aesthetics.
The metope expansion joint lightgage steel joist sliding system of the embodiment of the present invention is described further with reference to the accompanying drawing.
As shown in Figures 1 to 3, in the metope expansion joint lightgage steel joist sliding system, the quantity of clip type main keel 11 is two, two
A clip type main keel 11 is set in parallel to each other on 10 surface of wall of 100 two sides of expansion joint, and expansion joint 10 is vertically to stitch, and two
Clip type main keel 11 is vertically arranged on metope.For the vertical degree for ensuring clip type main keel 11, on (the building the Lou Yu side of wall 10
Edge) on pop up vertical vertical construction line, it is levelling by levelling 14 base of rough ground, clip type main keel 11 is fixed on metope vertically
And on levelling rough ground 14, wherein levelling rough ground 14 is fixed on metope by self-tapping screw.The material of clip type main keel 11
For light steel, self-tapping screw can be used and be fixedly connected on levelling rough ground 14.
The quantity of false keel 12 be it is multiple, along the short transverse of clip type main keel 11, uniformly arranged with a fixed spacing, secondary dragon
Bone 12 is horizontally through metope expansion joint and both ends are respectively connected to the clip type main keels 111 of two sides, and the material of false keel 12 also may be used
Using light steel.Opposite on the clip type main keel 11 of two sides to be equipped with card slot, the both ends of false keel 12 are sticked in two side fastening types respectively
It can slide laterally in the card slot of main joist 11 and along card slot.Multiple false keels 12 are showed in the side backwards to wall 10 for being laid with
The smooth attachment surface of the one of decoration panel 13.
In the present embodiment, clip type main keel and the U-shaped shape of false keel, are respectively provided with a bottom plate and both side plate, card
The bottom plate of formula main joist is connected to wall, and card slot is opened in the outer of the both side plate of clip type main keel, the two sides board of false keel
In card slot, the bottom plate of false keel forms smooth attachment surface.
Architectural surface 13 uses single-surface double-layer 12mm ground paper surface gypsum board, big Virgin's milk shellac varnish facing.The face of architectural surface 13
Wall side entirely bedding and be fixed on multiple tracks false keel 12 composition smooth attachment surface on.The both sides of architectural surface 13 with stretch
Contracting seam connects there are certain interval between the wall of two sides, therefore on-fixed connection, when expansion joint two sides deformation of wall, passes through
Parallel sliding of the false keel 12 on clip type main keel 11, thus when ensure that the deformation of building body expansion joint architectural surface 13 it is complete
It is good.
Preferably, be laid in the middle part of papery plasterboard on the smooth attachment surface of false keel 12 in conjunction with shown in Fig. 1 and Fig. 3,
It is connected and fixed between papery plasterboard and false keel 12 by the self-tapping screw being uniformly arranged, guarantees papery plasterboard and false keel
Globality and fastness.Extend the both side ends of false keel 12 respectively and between wall 10 in the both sides of papery plasterboard
There are certain intervals, enable papery plasterboard that can cover the wall at its rear always when false keel 12 moves left and right, no
As for the wall for exposing rear no decoration layer, it is ensured that the aesthetics of metope entirety.
The both sides of papery plasterboard further turn down to 10 direction of wall and are fixed on pair by straight flitch 15
The end of keel 12.Flitch 15 is fixed on the end of false keel 12 and is mutually perpendicular to false keel 12, the two sides of papery plasterboard
Portion is entirely fixed on flitch after turning down 90 degree.The side edge of papery plasterboard flushes simultaneously with the respective side of flitch 15 edge
There are certain intervals between wall 10.It designs in this way, can use papery plasterboard in side and play masking interior furring channels knot
The effect of structure improves surface aesthetics.
Metope expansion joint lightgage steel joist sliding system provided by the invention, after mounting, when wall generates position because of deformation
When shifting, it can be realized and be stretched by the opposite sliding of clip type main keel and false keel, architectural surface is entirely fixed on false keel
Outside, not will receive wall displacement any adverse effect.Guarantee wall can free extension deformation while, Neng Goubao
Hold the smooth beauty of metope.
Expansion joint lightgage steel joist sliding system wall construction details is most important, according to engineering practice, below to light
The working procedure of steel joist telescopic device has done reasonable arrangement, and has carried out strictly to the constructing structure of this device, way
Control.
Construction technology process is main are as follows: surveying setting-out → rough ground production processing → rough ground base layer construction → 50 cassettes are perpendicular
The secondary bone installation in keel installation → 50 → papery gypsum decoration panel installation → big white glue with vinyl paint surface construction.
(1) surveying setting-out
Surveying setting-out is that a procedure the most rigorous is required in this construction, in control skeleton integral smoothness and verticality
On play an important role.First entirety is followed strictly, the process of rear part.
Since lightgage steel joist telescopic system is the wall construction in building body, and cassette centre keel is put down as telescopic device
Whole degree and verticality are more demanding, therefore setting-out work is extremely crucial.
(1) rough ground is installed
1, rough ground production processing:
Rough ground is processed according to the actual conditions of live wall leveling degree, enables to play base course wall in levelling work
With.Actual size is measured, the processing of rough ground is carried out by professional equipment.
2, rough ground is installed:
Rough ground is placed at the wall for needing to level, by the fixed rough ground of steel nail, the position of fixed nail will be accorded with
Code requirement is closed, guarantee is stable and firm with wall connecting, and uniform force, the flatness after leveling is strict controlled in tolerance model
In enclosing.
3,50 type cassette (vertical) main joists are installed:
Clip type main keel is processed according to space ceiling height, furred ceiling absolute altitude 100mm is generally higher by, by swollen
The fixed clip type main keel of swollen bolt (self-tapping screw is used at rough ground) is on base's keel (or on wall).
4,50 type false keels are installed:
50 type pair bones are pressed into live actual size cutting, after attach it on clamping joist, as shown in Figure 2.
5, papery gypsum decoration panel is installed:
Thistle board is pressed into live actual size processing, the plate after processing is fixed on 50 false keels by self-tapping screw
On, pitch of nails will meet code requirement, reserve nature gap with the inner corner trim of wall handover.
6, big Virgin's milk shellac varnish construction:
First hole for nailing is blocked with cement, the construction of first pass putty is carried out after cement is dry, according to big face behind first part, first on
Under afterwards, first left and then right sequence is constructed, and yin-yang angle will reach code requirement, three times putty, twice of emulsion paint.
7, it clears up:
Live cleaning is carried out after construction, it is ensured that finished product is not damaged, pollutes.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201097.7A CN109184006A (en) | 2018-10-16 | 2018-10-16 | Metope expansion joint lightgage steel joist sliding system and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201097.7A CN109184006A (en) | 2018-10-16 | 2018-10-16 | Metope expansion joint lightgage steel joist sliding system and its installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109184006A true CN109184006A (en) | 2019-01-11 |
Family
ID=64945315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201097.7A Pending CN109184006A (en) | 2018-10-16 | 2018-10-16 | Metope expansion joint lightgage steel joist sliding system and its installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109184006A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138652A (en) * | 1994-11-14 | 1996-12-25 | 建筑专业公司 | Expansion joint cover |
| CN202990329U (en) * | 2012-12-19 | 2013-06-12 | 苏州苏明装饰股份有限公司 | Connection structure for interior decoration top surface expansion joints |
| JP2015190188A (en) * | 2014-03-28 | 2015-11-02 | 理研軽金属工業株式会社 | Expansion joint structure |
| CN206070889U (en) * | 2016-08-11 | 2017-04-05 | 山东雅百特科技有限公司 | A kind of expansion joint both sides roof boarding Collapsible structure |
| CN206769167U (en) * | 2017-05-20 | 2017-12-19 | 江苏建设控股集团有限公司 | A kind of ceiling structure of double-deck plasterboard |
| CN207761076U (en) * | 2017-03-18 | 2018-08-24 | 王德志 | A kind of novel building exterior wall deformation joint system and its application construction |
| CN108571081A (en) * | 2018-06-21 | 2018-09-25 | 中建城市建设发展有限公司 | A kind of expansion joint protective device |
| CN208934149U (en) * | 2018-10-16 | 2019-06-04 | 中建八局装饰工程有限公司 | Metope expansion joint lightgage steel joist sliding system |
-
2018
- 2018-10-16 CN CN201811201097.7A patent/CN109184006A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138652A (en) * | 1994-11-14 | 1996-12-25 | 建筑专业公司 | Expansion joint cover |
| CN202990329U (en) * | 2012-12-19 | 2013-06-12 | 苏州苏明装饰股份有限公司 | Connection structure for interior decoration top surface expansion joints |
| JP2015190188A (en) * | 2014-03-28 | 2015-11-02 | 理研軽金属工業株式会社 | Expansion joint structure |
| CN206070889U (en) * | 2016-08-11 | 2017-04-05 | 山东雅百特科技有限公司 | A kind of expansion joint both sides roof boarding Collapsible structure |
| CN207761076U (en) * | 2017-03-18 | 2018-08-24 | 王德志 | A kind of novel building exterior wall deformation joint system and its application construction |
| CN206769167U (en) * | 2017-05-20 | 2017-12-19 | 江苏建设控股集团有限公司 | A kind of ceiling structure of double-deck plasterboard |
| CN108571081A (en) * | 2018-06-21 | 2018-09-25 | 中建城市建设发展有限公司 | A kind of expansion joint protective device |
| CN208934149U (en) * | 2018-10-16 | 2019-06-04 | 中建八局装饰工程有限公司 | Metope expansion joint lightgage steel joist sliding system |
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Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |