CN109898686A - The assembled wall of cassette connection - Google Patents
The assembled wall of cassette connection Download PDFInfo
- Publication number
- CN109898686A CN109898686A CN201711312480.5A CN201711312480A CN109898686A CN 109898686 A CN109898686 A CN 109898686A CN 201711312480 A CN201711312480 A CN 201711312480A CN 109898686 A CN109898686 A CN 109898686A
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- clamping
- keel
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- bilateral
- assembled wall
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Abstract
A kind of assembled wall of cassette connection is disclosed herein, including the keel unit of wall frame two sides is arranged in and for the two-way fastener of two anti-rolling chock unit of connection framework；The keel unit includes being vertically arranged and more bilateral keel being parallel to each other and horizontally disposed clamping joist, the bottom plate of the bilateral keel are set as the mounting plane of plasterboard；The bilateral keel include the first bottom plate and the first side plate for being symmetricly set on the first bottom plate two sides, and first side plate includes the plate for being superimposed on two layers setting, and the end of first side plate is provided with the bending edge of matching clamping joist and two-way fastener；The clamping joist includes the multiple clamping portions being uniformly arranged, and the clamping portion of the clamping joist is in clamping connection the bending edge of the bilateral keel；The keel unit of one end connecting wall frame side of the two-way fastener, another anti-rolling chock unit of other end connecting wall frame.
Description
Technical field
This application involves but be not limited to building materials technology field, especially a kind of assembled wall of cassette connection.
Background technique
In the prior art, inner wall production usually carries out site operation using light metal keel and plasterboard, this causes to apply
Work scene is in disorder, and the building wastes such as waste material, leftover pieces are excessive, is not appropriate for that wall is removable to be recycled, and scene
The amount of labour used is larger, cost of labor is excessively high, construction dimensional accuracy is lower.
It is response country to the environmentally protective of novel building, batch production, rapid, removable, closed matereial cycle political affairs
Plan guilding principle is badly in need of greatly developing novel fabricated wall technology at present.But the dragon in wall element in the prior art
There are the defects of structural stability difference and high production cost for bone connection structure.
Summary of the invention
The technical issues of the application solves is to provide a kind of assembled wall of cassette connection, can effectively overcome existing skill
The structural stability difference of keel connecting structure in wall element and the defect of high production cost are assembled in art.
In order to solve the above technical problems, this application provides a kind of assembled walls of cassette connection, including it is arranged in wall
The keel unit of body frame two sides and two-way fastener for two anti-rolling chock unit of connection framework；
The keel unit includes being vertically arranged and more bilateral keel being parallel to each other and horizontally disposed clamping joist,
The bilateral keel include the first bottom plate and the first side plate for being symmetricly set on the first bottom plate two sides, and first side plate includes two
The plate that layer is superposed, the end of first side plate are provided with the bending edge of matching clamping joist and two-way fastener；Institute
Stating clamping joist includes the multiple clamping portions being uniformly arranged, and the clamping portion of the clamping joist is in clamping connection the bilateral keel
Bending edge；
The keel unit of one end connecting wall frame side of the two-way fastener, other end connecting wall frame are another
Anti-rolling chock unit.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
The two-way fastener includes the first clamping portion and the second clamping portion for being separately positioned on both ends；
Bending edge of first clamping portion for the bilateral keel of connecting wall frame side, second clamping portion are used
In the bending edge of the bilateral keel of the connecting wall frame other side.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
The two-way fastener includes that two the first plates disposed in parallel and one are used to connect the second of two the first plates
The same side of the second plate is arranged in plate, two the first plates；
First plate offers the first clamping slot close to two corner locations of the second plate, and four of two the first plates
First clamping slot constitutes first clamping portion；
Two corner locations of first plate far from the second plate offer the second clamping slot, and four of two the first plates
Second clamping slot constitutes second clamping portion.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
The keel unit includes more clamping joists that are horizontally disposed and being parallel to each other.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
The clamping joist includes the second bottom plate and the second side plate for being symmetricly set on the second bottom plate two sides, described second side
Plate is uniformly provided with multiple clamping portions far from the edge of the second bottom plate.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
The clamping portion includes symmetrically arranged two clamping slots, bilateral keel described in described two clamping slot difference clampings
Two bending edges.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
First bottom plate includes the plate of single layer setting.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
The clamping joist, bilateral keel and two-way fastener are disposed as integrated bending and molding component.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
It further include plasterboard；
The plasterboard is laid on the lateral surface of the keel unit away from each other, the plasterboard by tapping screw with
First bottom plate of the bilateral keel connects.
The assembled wall of above-mentioned cassette connection, can also have a characteristic that
It further include filling plate；
The filling plate is arranged between two keel units.
The application above-mentioned technical proposal has the following beneficial effects:
Compared with the prior art, the application can be by the keel unit being preferably provided with, and it is convenient between keel to can be realized
Attended operation can also effectively improve the structural stability of wall element, while production cost can also be effectively reduced.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood by implementing the embodiment of the present invention.The purpose of the application and other advantages can be by illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical scheme, and constitutes part of specification, with this
The embodiment of application is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.
Fig. 1 is the keel cell layout bottom view of the embodiment of the present invention one；
Fig. 2 is the wall body structure bottom view of the embodiment of the present invention one；
Fig. 3 is the clamping joist structural schematic diagram of the embodiment of the present invention one；
Fig. 4 is the bilateral keel application schematic diagram of the embodiment of the present invention one；
Fig. 5 is the keel cellular construction bottom view of the embodiment of the present invention one；
Fig. 6 is the keel cellular construction main view of the embodiment of the present invention one；
Fig. 7 is the bilateral keel structure schematic diagram of the embodiment of the present invention one；
Fig. 8 is the bending state schematic diagram one of the bilateral keel of the embodiment of the present invention one；
Fig. 9 is the bending state schematic diagram two of the bilateral keel of the embodiment of the present invention one；
Figure 10 is the bending state schematic diagram three of the bilateral keel of the embodiment of the present invention one；
Figure 11 is the connection schematic diagram of the two-way fastener of the embodiment of the present invention one；
Figure 12 is the stereoscopic schematic diagram of the two-way fastener of the embodiment of the present invention one；
Figure 13 is the structural front view of the two-way fastener of the embodiment of the present invention one；
Figure 14 is the structure expanded view of the two-way fastener of the embodiment of the present invention one；
It illustrates:
1- clamping joist, the clamping portion 11-；The bilateral keel of 2-, the first side plate of 21-, the first bottom plate of 22-, 23- bending edge；3-
Plasterboard；The two-way fastener of 4-, the first clamping portion 41-, the second clamping portion 42-, the first clamping slot of 411-, the second clamping of 421-
Slot.
Specific embodiment
Embodiments herein is described in detail below in conjunction with attached drawing.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can mutual any combination.
Embodiment one:
As shown in Figure 1, Figure 2, the embodiment of the invention provides a kind of assembled wall of cassette connection, including setting exists
The keel unit of wall frame two sides and two-way fastener 4 for two anti-rolling chock unit of connection framework；Wherein, above-mentioned wall knot
Structure further includes plasterboard 3, and plasterboard 3 is laid on the lateral surface of keel unit away from each other, to constitute the wall of interior space demand
Face structure；Wherein, above-mentioned wall body structure further includes filling plate, and filling plate may be provided between two keel units, fill
Plate can be used for improving the performances such as the sound insulation of wall body structure entirety, fire prevention.
In the present embodiment, it can be connected by two-way fastener 4 between above-mentioned keel unit；It is above-mentioned two-way in concrete operations
The keel unit of one end connecting wall frame side of fastener 4, another anti-rolling chock unit of other end connecting wall frame.
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, above-mentioned keel unit, including what is be vertically arranged and be parallel to each other
The bottom plate of more bilateral keel 2 and horizontally disposed clamping joist 1, bilateral keel 2 is set as the mounting plane of plasterboard 3；That is,
Above-mentioned plasterboard 3 can be fixed on the bottom plate of bilateral keel 2 by tapping screw.
In the present embodiment, above-mentioned bilateral keel 2 include the first bottom plate and the first side for being symmetricly set on the first bottom plate two sides
Plate, the first side plate include the plate for being superimposed on two layers setting, and the end of the first side plate is provided with matching clamping joist 1 and two-way buckle
The bending edge of part 4.Above-mentioned clamping joist 1 includes the multiple clamping portions 11 being uniformly arranged, and 11 clamping of clamping portion of clamping joist 1 connects
Connect the bending edge of bilateral keel 2.
In concrete operations, the setting of above-mentioned clamping joist 1, can effectively substitute stull keel in assembled wall and
The setting of cross connecting piece can effectively improve the structural stability of keel unit entirety, can also effectively improve between keel
Assembling convenience so that packaging efficiency is higher；In addition, the above-mentioned bilateral keel 2 being vertically arranged, can effectively substitute assembled
The setting of centre keel in wall can effectively improve the structural stability of vertical direction, and then can effectively improve connection knot
Structural stability after structure entirety and the installation of plasterboard 3.
In the present embodiment, above-mentioned clamping joist 1 includes the second bottom plate and the second side for being symmetricly set on the second bottom plate two sides
Plate, the second side plate are uniformly provided with multiple clamping portions 11 far from the edge of the second bottom plate.
In concrete operations, above-mentioned clamping portion 11 may include symmetrically arranged two clamping slots, and two clamping slots block respectively
Two bending edges of tight bilateral keel 2；In installation process, bilateral keel 2 can be installed to default spacing and carry out corresponding layout behaviour
Make, and then clamping joist 1 can also be installed to preset spacing by bilateral 2 clamping of keel, clamping portion 11 can be specifically caught in bilateral
At the bending edge of keel 2, two bending edges are respectively clamped into corresponding clamping slot, and clamping joist 1 and bilateral keel 2 can be realized
Between snap action.
As shown in fig. 6, above-mentioned keel unit includes more clamping joists 1 that are horizontally disposed and being parallel to each other, 3 are preferably included
Root clamping joist 1；The setting of above-mentioned more clamping joists 1, can be achieved at the same time the attended operation of bilateral keel 2, enables to
The connection structure of bilateral keel 2 and its plasterboard 3 is more stable, can effectively overcome and only connect institute by a clamping joist 1
Bring Stable Defects.In addition, above-mentioned keel unit is connect by 6 two-way fasteners 4 with the keel unit of the other side, on
The setting for stating 6 two-way fasteners can effectively ensure that the connective stability between two keel units.
As shown in fig. 7, in above-mentioned bilateral keel, the first side plate of the bilateral keel that the plate that bilayer is superposed may make up
21, structural stability with higher；The plate that above-mentioned bilayer is superposed is capable of forming the structure of similar stiffener plate,
So that the structural stability of bilateral keel is significantly promoted.In assembled wall, the first side plate 21 of bilateral keel is often required that
Intensity with higher and preferable structural stability；Therefore, the first side plate 21 of the above-mentioned double-deck superimposed plates material setting more can
It is enough adapted to the connection structure of assembled wall, is able to ascend the overall structure stability of assembled wall.
In the present embodiment, above-mentioned first bottom plate 22 includes the plate of single layer setting.
In concrete operations, for the first bottom plate 22 of above-mentioned bilateral keel in assembled wall, stress is smaller, is primarily subjected to stone
The mounting power of cream plate, therefore single layer setting can satisfy actual use demand.
As shown in fig. 7, the end of above-mentioned first side plate 21 is provided with the bending edge 23 of matching clamping joist, bending edge 23
Bending angle is d, and d is preferably 45 °.
In concrete operations, the setting of above-mentioned bending edge 23, it is intended to the attended operation of clamping joist can be cooperated；Assembling process
In, the groove body that the clamping portion of clamping joist can be inserted between two the first side plates 21 of bilateral keel, and make clamping portion clamping
At 23 position of bending edge, specifically the connection structure form in the clamping slot of clamping portion can be inserted into using bending edge 23.
Bilateral keel in the present embodiment, the vertical keel that can be used as in assembled wall use, and the first bottom plate 22 is realized
The mounting of plasterboard, to constitute a metope of wall；First side plate 21 passes through two-way fastener and the bilateral keel in the other side
First side plate 21 is interconnected and fixed, and is connected and fixed operation between two metopes to realize wall.
Preferably, the width of above-mentioned first bottom plate 22 is a, 40mm≤a≤50mm；The width of first side plate 21 is b, 10mm
≤b≤40mm；First bottom plate 22 with a thickness of c, 0.3mm≤c≤0.5mm.
In the present embodiment, the width of above-mentioned first bottom plate 22 is preferably 45mm, and the thickness of above-mentioned plate is preferably 0.4mm
The width of thickness, the first side plate 21 is preferably 15mm；Stretching caused by width and bending sheets in view of bending edge 23 becomes
Shape, above-mentioned bilateral keel can finally be formed by the sheet metal bending that width is 110mm or so.
Use thickness 0.7mm, width for vertical dragon made of the sheet metal bending of 181mm or so in compared with the prior art
Bone, not only structural strength is better than vertical keel in the prior art to the above-mentioned bilateral keel in the present embodiment, and product materials are also big
It is big to reduce, it can be effectively reduced actual production cost.
As shown in figure 8, the original state of above-mentioned bilateral keel is individual plate, two sides can be along dotted line A to ipsilateral
Bending, bending angle is 180 °, so that the plate of bending is closely superimposed with the plate not bent, tentatively to be constituted shown in Fig. 9
The first side plate blank for being superposed of double sheets.
As shown in figure 9, the end for the first side plate blank that double sheets are superposed is further curved along dotted line B progress
Folding, bending angle d is 45 °, tentatively to be constituted bending edge blank shown in Figure 10.
As shown in Figure 10, the first side plate blank double sheets being superposed further is bent along dotted line C, curved
Dog-ear degree is 90 °, so that the first side plate, perpendicular to the first bottom plate, end-state figure is as shown in Figure 7.
In conjunction with shown in Figure 11, Figure 12 and Figure 13, above-mentioned two-way fastener 4 includes two the first plates disposed in parallel and one
The same side of the second plate is arranged in a the second plate for being used to connect two the first plates, two the first plates；First plate is close to the second plate
Two corner locations offer the first clamping slot 411, four the first clamping slots 411 of two the first plates constitute the first clamping
Portion 41；Two corner locations of first plate far from the second plate offer the second clamping slot 421, and four second of two the first plates
Clamping slot 421 constitutes the second clamping portion 42.
In concrete operations, above-mentioned two-way fastener 4 is preferably integrated bending and molding component, i.e., above-mentioned two first plate and one
A second plate is same plate by bending；The setting of above-mentioned one bending and molding component, can effectively ensure that material
Using maximization, it can guarantee that two-way fastener 4 has enough structural strengths and higher structural stability, it can be effective
Meet actual installation connection requirement；Above-mentioned first plate is mutually perpendicular to the second plate, above-mentioned the first plate being arranged in a mutually vertical manner and
Second plate, the overall structure stability after capable of being further ensured that connection keel.
In addition, the structure setting of integrated bending and molding component can also be used in clamping joist above-mentioned, bilateral keel, it can be effective
Guarantee the convenient processing and fabricating operation of keel unit all parts.
As shown in figure 14, rectangular plate can be selected in the substrate of above-mentioned two-way fastener.It wherein, can be in the default of rectangular plate
Position opens up four the first clamping slots and four the second clamping slots；By the both ends of rectangular plate to ipsilateral bending, two bending ends
Portion forms the first plate, and the plate between two folded ends forms the second plate, and the first clamping slot is located at the first plate close to the second plate
Corner location, the second clamping slot is located at corner location of first plate far from the second plate.
In concrete operations, complete rectangular plate can be opened up to eight clamping slots, and cut away extra edge；Into
And according to two ends of dotted line position bending sheets；Above-mentioned manufacture craft is simple and easy.
In the present embodiment, above-mentioned first clamping slot and the second clamping slot are the molding groove body of punch process, can be by dedicated
Stamping die complete the punching operation of above-mentioned clamping slot.In concrete operations, by installing multiple stamping dies, Ji Keshi simultaneously
Existing one time punching molded operation, producing efficiency are high.
In concrete operations, the setting of above-mentioned two-way fastener can be substituted effectively complex in current assembled wall
Connector, can be realized the convenient attended operation between keel unit.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. be shall be understood in a broad sense, example
Such as, " connection " may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be with
Indirectly connected through an intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the application
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the embodiment of the present invention is as above, described
The content only embodiment of the present invention and the embodiment that uses for ease of understanding, be not intended to limit the invention embodiment.It is any
Technical staff in fields of the embodiment of the present invention, in the premise for not departing from spirit and scope disclosed by the embodiment of the present invention
Under, any modification and variation, but the scope of patent protection of the embodiment of the present invention can be carried out in the form and details of implementation,
Still it should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of assembled wall of cassette connection, which is characterized in that including be arranged in wall frame two sides keel unit and
Two-way fastener for two anti-rolling chock unit of connection framework；
The keel unit includes being vertically arranged and more bilateral keel being parallel to each other and horizontally disposed clamping joist, described
Bilateral keel include the first bottom plate and the first side plate for being symmetricly set on the first bottom plate two sides, and first side plate includes two stackings
The plate set is added, the end of first side plate is provided with the bending edge of matching clamping joist and two-way fastener；The card
Formula keel include the multiple clamping portions being uniformly arranged, and the clamping portion of the clamping joist is in clamping connection the bending of the bilateral keel
Side；
The keel unit of one end connecting wall frame side of the two-way fastener, other end connecting wall frame other side dragon
Osteon.
2. the assembled wall of cassette connection according to claim 1, which is characterized in that
The two-way fastener includes the first clamping portion and the second clamping portion for being separately positioned on both ends；
Bending edge of first clamping portion for the bilateral keel of connecting wall frame side, second clamping portion is for connecting
Connect the bending edge of the bilateral keel of the wall frame other side.
3. the assembled wall of cassette connection according to claim 2, which is characterized in that
The two-way fastener includes two the first plates disposed in parallel and one for connecting second plate of two the first plates, and two
The same side of the second plate is arranged in a first plate；
First plate offers the first clamping slot close to two corner locations of the second plate, and four first of two the first plates
Clamping slot constitutes first clamping portion；
Two corner locations of first plate far from the second plate offer the second clamping slot, and four second of two the first plates
Clamping slot constitutes second clamping portion.
4. the assembled wall of cassette connection according to claim 1 or 2 or 3, which is characterized in that
The keel unit includes more clamping joists that are horizontally disposed and being parallel to each other.
5. the assembled wall of cassette connection according to claim 4, which is characterized in that
The clamping joist includes the second bottom plate and the second side plate for being symmetricly set on the second bottom plate two sides, and second side plate is remote
Edge from the second bottom plate is uniformly provided with multiple clamping portions.
6. the assembled wall of cassette connection according to claim 5, which is characterized in that
The clamping portion includes symmetrically arranged two clamping slots, and two of bilateral keel described in described two clamping slot difference clampings
A bending edge.
7. the assembled wall of cassette connection according to claim 1 or 2 or 3, which is characterized in that
First bottom plate includes the plate of single layer setting.
8. the assembled wall of cassette connection according to claim 1 or 2 or 3, which is characterized in that
The clamping joist, bilateral keel and two-way fastener are disposed as integrated bending and molding component.
9. the assembled wall of cassette connection according to claim 1 or 2 or 3, which is characterized in that further include plasterboard；
The plasterboard is laid on the lateral surface of the keel unit away from each other, the plasterboard by tapping screw with it is described
First bottom plate of bilateral keel connects.
10. the assembled wall of cassette connection according to claim 1 or 2 or 3, which is characterized in that further include filling plate
Material；
The filling plate is arranged between two keel units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312480.5A CN109898686A (en) | 2017-12-11 | 2017-12-11 | The assembled wall of cassette connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312480.5A CN109898686A (en) | 2017-12-11 | 2017-12-11 | The assembled wall of cassette connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109898686A true CN109898686A (en) | 2019-06-18 |
Family
ID=66942876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711312480.5A Pending CN109898686A (en) | 2017-12-11 | 2017-12-11 | The assembled wall of cassette connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109898686A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814214A (en) * | 2020-12-31 | 2021-05-18 | 中建材创新科技研究院有限公司 | Assembled wall body |
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| US20030196401A1 (en) * | 2002-04-17 | 2003-10-23 | Matt Surowiecki | Wall construction |
| CN201074371Y (en) * | 2007-08-14 | 2008-06-18 | 黄锐 | Combined type high partition wall |
| KR20090003503U (en) * | 2007-10-11 | 2009-04-15 | 주식회사 케이씨씨 | A Dry-Wall Using the Resilient Channel |
| JP2011127293A (en) * | 2009-12-16 | 2011-06-30 | Mikio Tashiro | Multilayer light-gauge steel |
| CN203034727U (en) * | 2012-12-31 | 2013-07-03 | 辽宁超烁图码科技板业有限公司 | Fastener type metal composite outer decorating plate |
| CN205077765U (en) * | 2015-08-14 | 2016-03-09 | 文登蓝岛建筑工程有限公司 | Green wood board with draw -in groove |
| CN205577180U (en) * | 2016-02-29 | 2016-09-14 | 北新集团建材股份有限公司 | Centre keel is assembly wall body of high C type fossil fragments that vary |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06207441A (en) * | 1992-05-29 | 1994-07-26 | Takeshige Shimonohara | Construction panel body and jointing method therefor |
| CN2374594Y (en) * | 1999-01-13 | 2000-04-19 | 王新发 | Office isolating device able to be freely installed |
| CN1295163A (en) * | 1999-11-05 | 2001-05-16 | 张福长 | Combined wall keel |
| US20030196401A1 (en) * | 2002-04-17 | 2003-10-23 | Matt Surowiecki | Wall construction |
| CN201074371Y (en) * | 2007-08-14 | 2008-06-18 | 黄锐 | Combined type high partition wall |
| KR20090003503U (en) * | 2007-10-11 | 2009-04-15 | 주식회사 케이씨씨 | A Dry-Wall Using the Resilient Channel |
| JP2011127293A (en) * | 2009-12-16 | 2011-06-30 | Mikio Tashiro | Multilayer light-gauge steel |
| CN203034727U (en) * | 2012-12-31 | 2013-07-03 | 辽宁超烁图码科技板业有限公司 | Fastener type metal composite outer decorating plate |
| CN205077765U (en) * | 2015-08-14 | 2016-03-09 | 文登蓝岛建筑工程有限公司 | Green wood board with draw -in groove |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814214A (en) * | 2020-12-31 | 2021-05-18 | 中建材创新科技研究院有限公司 | Assembled wall body |
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Application publication date: 20190618 |
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