CN219604665U - Integrated outer wall product structure of steel joist heat preservation decoration - Google Patents
Integrated outer wall product structure of steel joist heat preservation decoration Download PDFInfo
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- CN219604665U CN219604665U CN202320397951.1U CN202320397951U CN219604665U CN 219604665 U CN219604665 U CN 219604665U CN 202320397951 U CN202320397951 U CN 202320397951U CN 219604665 U CN219604665 U CN 219604665U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 238000004321 preservation Methods 0.000 title claims description 11
- 238000005034 decoration Methods 0.000 title description 4
- 238000009413 insulation Methods 0.000 claims abstract description 142
- 239000012774 insulation material Substances 0.000 claims abstract description 66
- 230000004224 protection Effects 0.000 claims abstract description 59
- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 19
- 239000011810 insulating material Substances 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims 3
- 230000009979 protective mechanism Effects 0.000 claims 3
- 239000004744 fabric Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Building Environments (AREA)
Abstract
The utility model relates to the technical field of heat-insulating decorative walls, in particular to a steel keel heat-insulating decorative integrated outer wall product structure which consists of a supporting stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side are respectively arranged on the middle supporting stress mechanism; the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism and bears earthquake force and wind load; the outer protection mechanism is used for protecting one side outside the product chamber; the sound insulation mechanism is used for blocking sound. In the supporting stress mechanism, in the peripheral protection mechanism and in the sound insulation mechanism, whether a heat insulation material is added or not can be independently selected according to the requirement; in the outer enclosure mechanism and the sound insulation mechanism, whether the decorative fabric is added or not can be independently selected according to the requirement. Thereby forming the high-practicability steel keel heat-insulating decorative integrated outer wall product structure.
Description
Technical Field
The utility model relates to the technical field of heat-insulating decorative walls, in particular to a steel keel heat-insulating decorative integrated outer wall product structure.
Background
The similar traditional external wall body generally has the following forms:
(1) The wall body adopts inorganic light wall board, and is independently used as a wall body peripheral protection member, and the wall body is provided with heat insulation materials on site and then is used as a decorative layer.
(2) The wall body adopts the factorization of arrangement of reinforcement to make light external wall panel, and the outside adds heat preservation decorative layer. The wallboard is produced by adopting a concrete cast-in-situ reverse forging process, the facing layer needs to be protected in the cast-in-situ process, and the wallboard is easy to crack and needs to be maintained.
(3) The wall adopts a steel frame to cast in-situ light filling material inside, and a heat preservation decorative layer is added on the outer side. The wallboard also adopts a cast-in-place concrete process, has the problems of protecting and maintaining a facing layer, and cannot form a cavity heat insulation structure
(4) If the external wall body is required to be shaped transversely or vertically, the keels are additionally and independently arranged, and the integrated wall body can be shaped through the steel frame for one-step shaping without being additionally and independently arranged; the heat-insulating material also has the characteristics of light dead weight, excellent anti-seismic performance, high heat-insulating efficiency, various materials, high integration level, economy, rationality and the like.
(5) The preparation method comprises the following steps: in the scheme of the integrated wall, a steel frame is used as a supporting stress mechanism, an outer wall decoration mechanism is arranged on the outdoor side, a sound insulation mechanism is arranged on the indoor side, and a certain cavity structure is reserved between the steel frame and the outer wall decoration mechanism. The wallboard can be manufactured by a vertical dry method, occupies small production field, is easy to realize automatic production, does not need to consider the problems of protection and maintenance of the facing layer in the production process, and has no stress requirement on the prefabricated sound insulation decorative board.
(6) Efficacy aspect: relatively static air in a cavity enclosed in the wall body is effectively utilized, and the wall body serves as a heat insulation material to achieve the effects of heat insulation.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a closed cavity formed by enclosing a supporting stress mechanism and a peripheral protection mechanism on the outdoor side and a sound insulation mechanism on the indoor side, wherein the air in the cavity is used as a heat insulation material to block heat conduction, and meanwhile, the peripheral protection mechanism is matched with the peripheral protection mechanism or the sound insulation mechanism to perform heat insulation and insulation on the indoor and the outdoor of a building, and the peripheral protection mechanism can be provided with additional heat insulation materials or no additional heat insulation materials according to the requirement; the outer enclosure mechanism and the sound insulation mechanism can be respectively provided with additional decorative fabrics or no decorative fabrics according to the requirements; thereby forming the high-practicability steel keel heat-insulating decorative integrated outer wall product structure.
The utility model relates to a steel keel heat-insulating and decorating integrated outer wall product structure, which comprises a supporting and stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism and the sound insulation mechanism are respectively arranged on the outdoor side and the indoor side of the supporting and stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the outer protection mechanism, the supporting and stress mechanism and the sound insulation mechanism enclose a closed cavity;
the air layer of the cavity and the external protection mechanism or the sound insulation mechanism play a role in heat preservation and heat insulation together.
The support stress mechanism is matched with the outer enclosing mechanism and the sound insulation mechanism to form a closed cavity, and air in the cavity is used as a heat insulation material to insulate heat and conduct heat, and is matched with the outer enclosing mechanism to insulate heat and insulate heat of the wall body, so that the practicability of the integrated outer wall body is improved.
Preferably, the cavity is filled with a fluffy heat-insulating material, and the fluffy heat-insulating material is light;
the fluffy heat-insulating material and the outer wall enclosing mechanism or the sound insulation mechanism play a role in heat insulation;
air convection in the cavity is reduced through the fluffy heat-insulating material, and meanwhile, the wall is insulated by being matched with the outer enclosing mechanism or the sound insulation mechanism, so that the practicability of the integrated outer wall is improved.
Preferably, the outer protection mechanism is compounded with a heat insulation material;
the heat insulation material compounded in the outer protection mechanism and the air layer of the cavity play a role in heat insulation together;
thereby improving the heat preservation and insulation effect of the wall body.
Preferably, the outer protection mechanism is made of composite heat insulation materials, and the cavity is filled with fluffy heat insulation materials;
the thermal insulation material compounded in the outer protection mechanism and the fluffy thermal insulation material filled in the cavity play a role in thermal insulation together;
thereby improving the heat preservation and insulation effect of the wall body.
Preferably, the sound insulation mechanism is made of composite heat insulation materials;
the heat insulation material compounded in the sound insulation mechanism and the air layer of the cavity play a role in heat insulation together;
thereby improving the heat preservation and insulation effect of the wall body.
Preferably, the sound insulation mechanism is composed of a heat insulation material, and the cavity is filled with a fluffy heat insulation material;
the composite heat insulation material in the sound insulation mechanism and the fluffy heat insulation material filled in the cavity play a role in heat insulation
Thereby improving the heat preservation and insulation effect of the wall body.
Preferably, the support stress mechanism comprises a steel frame; the outer enclosure mechanism and the sound insulation mechanism are supported and bear various external forces through the steel frame.
Preferably, the sound insulation mechanism comprises a sound insulation plate fixing keel and a sound insulation plate, wherein the sound insulation plate is arranged on the steel frame through the sound insulation plate fixing keel, and the sound insulation plate is positioned on one side of the steel frame chamber; thereby improving the sound insulation effect of the wall body.
Preferably, the outer protection mechanism comprises an outer wall decorative plate fixing keel, an outer wall decorative plate hanging piece and an outer wall decorative plate, the outer wall decorative plate is mounted on the steel frame in a matched mode through the outer wall decorative plate fixing keel and the outer wall decorative plate hanging piece, and the outer wall decorative plate is located on one outdoor side of the steel frame; thereby improving the aesthetic property and the heat preservation, heat insulation and sound insulation performance of the wall body.
Compared with the prior art, the utility model has the beneficial effects that:
1. thermal insulation:
the supporting stress mechanism is matched with the outer protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side to form a closed cavity, heat conduction is blocked by air in the cavity as a heat insulation material, heat insulation and heat insulation are carried out on the indoor and the outdoor of the building through the outer protection mechanism or the sound insulation mechanism, the outer protection mechanism can select an additional heat insulation plate or no additional heat insulation material according to the requirement, and the sound insulation mechanism can select the additional heat insulation plate or no additional heat insulation material according to the requirement.
The relatively static air is a high heat insulation material with extremely low heat conductivity, and the relatively static air is used as one of heat insulation materials to participate in heat insulation of the integrated outer wall body, so that the heat insulation efficiency of the integrated outer wall body is improved, and the heat insulation performance of the integrated wall body is enhanced.
2. The dead weight aspect:
the steel joist material is used for bearing the support of the external enclosure mechanism and the sound insulation mechanism instead of the reinforced concrete material and bearing external forces such as earthquake force, wind load and the like, so that the self weight of the integrated wall is lighter; therefore, the steel material consumption of the main body structure can be reduced when the steel frame is applied to a main body structure system of the steel frame.
3. The modeling aspect is as follows:
the integrated wall body adopts the steel joist as a supporting stress mechanism, has the characteristic of strong plasticity, can be manufactured into flexible and changeable shapes through welding or bolting and riveting after being cut, and is used for meeting the requirements of various building outer vertical faces on the shapes.
Drawings
FIG. 1 is a schematic diagram of a structure in which no thermal insulation material is compounded in a peripheral enclosing mechanism and a sound insulation mechanism, and a cavity is not fully filled with the thermal insulation material;
FIG. 2 is a schematic diagram of a structure in which the thermal insulation material is not compounded in the peripheral protection mechanism and the sound insulation mechanism, and the cavity is filled with the thermal insulation material;
FIG. 3 is a schematic diagram of a composite insulation material in a peripheral protection mechanism, a sound insulation mechanism without a composite insulation material, and a cavity not filled with an insulation material;
FIG. 4 is a schematic diagram of a composite insulation material in a peripheral protection mechanism, a sound insulation mechanism without a composite insulation material, and a cavity filled with the insulation material;
FIG. 5 is a schematic diagram of the structure of the sound insulation mechanism of the utility model without the composite heat insulation material and with the cavity not filled with the heat insulation material;
FIG. 6 is a schematic diagram of the structure of the sound insulation mechanism of the utility model wherein the heat insulation material is not compounded in the peripheral protection mechanism, the heat insulation material is compounded in the sound insulation mechanism, and the cavity is filled with the heat insulation material;
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1, the outdoor side sound insulation device comprises a supporting and stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side are both arranged on the supporting and stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the outer protection mechanism, the supporting and stress mechanism and the sound insulation mechanism enclose a closed cavity;
the enclosed cavity is formed by enclosing the outer protecting mechanism, the supporting stress mechanism and the sound insulation mechanism, so that the air in the cavity is used as a heat insulation material to block heat conduction, and the heat insulation effect is improved.
Example 2
As shown in fig. 2, the outdoor side sound insulation device comprises a supporting and stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side are both arranged on the supporting and stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the outer protection mechanism, the supporting and stress mechanism and the sound insulation mechanism enclose a closed cavity;
the cavity is filled with a fluffy heat-insulating material 4, and the fluffy heat-insulating material 4 is light;
air convection in the cavity is reduced through the fluffy heat insulation material 4, heat conduction is blocked, and therefore the heat insulation effect is improved.
Example 3
As shown in fig. 3, the outdoor side sound insulation device comprises a supporting and stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side are both arranged on the supporting and stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the enclosed cavity is formed among the outer wall enclosing mechanism, the supporting and stress mechanism and the sound insulation mechanism;
the outer protection mechanism is made of composite heat-insulating materials;
the air in the cavity is used as a heat insulation material to block heat conduction, and meanwhile, the heat insulation material is matched with the composite heat insulation material on the outer wall enclosing mechanism to insulate the wall body, so that the heat insulation effect is improved.
Example 4
As shown in fig. 4, the outdoor sound insulation device comprises a supporting and stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side are both arranged on the supporting and stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the outer protection mechanism, the supporting and stress mechanism and the sound insulation mechanism enclose a closed cavity;
the outer protection mechanism is made of composite heat insulation materials, the cavity is filled with fluffy heat insulation materials 4, and the fluffy heat insulation materials 4 are light;
air convection in the cavity is reduced through the fluffy heat insulation material 4, heat conduction is blocked, and meanwhile, the heat insulation is carried out on the wall body by matching with the composite heat insulation material in the outer enclosing mechanism, so that the heat insulation effect is improved.
Example 5
As shown in fig. 5, the outdoor side sound insulation device comprises a supporting and stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side are both arranged on the supporting and stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the outer protection mechanism, the supporting and stress mechanism and the sound insulation mechanism enclose a closed cavity;
the sound insulation mechanism is made of composite heat insulation materials;
the air in the cavity is used as a heat insulation material to block heat conduction, and meanwhile, the heat insulation is carried out on the wall body by matching with the composite heat insulation material in the sound insulation mechanism, so that the heat insulation effect is improved.
Example 6
As shown in fig. 6, the outdoor side sound insulation device comprises a supporting and stress mechanism, a peripheral protection mechanism and a sound insulation mechanism, wherein the peripheral protection mechanism on the outdoor side and the sound insulation mechanism on the indoor side are both arranged on the supporting and stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the outer protection mechanism, the supporting and stress mechanism and the sound insulation mechanism enclose a closed cavity;
the sound insulation mechanism is made of composite heat insulation materials, the cavity is filled with fluffy heat insulation materials 4, and the fluffy heat insulation materials 4 are light;
air convection in the cavity is reduced through the fluffy heat insulation material 4, heat conduction is blocked, and meanwhile, the wall is insulated by being matched with the heat insulation material compounded in the sound insulation mechanism, so that the heat insulation effect is improved.
The outer wall decorative plate hanging pieces 9 can be selected from hanging pieces with different materials and different specifications according to the actual installation condition,
the thickness of the sound insulation board 5 can be determined through calculation according to actual sound insulation requirements.
The thickness and the volume weight of the heat-insulating material compounded in the outer protecting mechanism can be determined through calculation according to actual heat-insulating requirements.
The type and specification of the steel materials of the supporting and stress mechanism can be determined through calculation according to actual stress requirements.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made without departing from the technical principles of the present utility model, such as replacement of steel keels with other kinds of metal, wood, plastic, etc., which are also considered as the scope of the present utility model.
Claims (9)
1. The steel keel heat-insulating and decorating integrated outer wall product structure is characterized by comprising a supporting stress mechanism, an outer protection mechanism on one side of the outdoor and a sound insulation mechanism on one side of the indoor, wherein the sound insulation mechanism is arranged on the supporting stress mechanism;
the supporting stress mechanism limits and supports the external enclosure mechanism and the sound insulation mechanism and bears earthquake force and wind load;
the sound insulation mechanism is used for blocking sound;
the outer protection mechanism is used for protecting one side outside the product chamber;
the outer protection mechanism, the supporting stress mechanism and the sound insulation mechanism are enclosed to form a closed cavity;
the air layer of the cavity and the peripheral protection mechanism play a role in heat preservation and heat insulation together.
2. The steel joist heat-insulating and decorating integrated outer wall product structure according to claim 1, wherein the cavity is filled with a fluffy heat-insulating material (4), and the fluffy heat-insulating material (4) is a light heat-insulating material;
the fluffy heat insulation material (4) and the peripheral protection mechanism play a role in heat insulation.
3. The steel joist insulation decorative integrated outer wall product construction according to claim 1, wherein the outer protective mechanism is composed of a thermal insulation material;
the heat insulation material compounded in the outer protection mechanism and the air layer of the cavity play a role in heat insulation together.
4. The steel joist heat-insulating and decorating integrated outer wall product structure according to claim 2, wherein the outer protective mechanism is made of composite heat-insulating material, and the cavity is filled with fluffy heat-insulating material (4);
the thermal insulation material compounded in the outer protection mechanism and the fluffy thermal insulation material (4) filled in the cavity play a role in thermal insulation together.
5. The steel joist insulation decorative integrated outer wall product construction of claim 1, wherein said sound insulation mechanism is a composite insulation material;
the heat insulation material compounded in the sound insulation mechanism and the air layer of the cavity play a role in heat insulation.
6. The steel joist heat-insulating and decorating integrated outer wall product structure according to claim 2, wherein the sound insulation mechanism is made of composite heat-insulating material, and the cavity is filled with fluffy heat-insulating material (4);
the composite heat insulation material in the sound insulation mechanism and the fluffy heat insulation material (4) filled in the cavity play a role in heat insulation.
7. The steel joist insulation decorative integrated exterior wall product construction according to claim 1, wherein the support stress mechanism comprises a steel frame (1).
8. The steel joist heat-insulating and decorative integrated outer wall product structure according to claim 1, wherein the sound insulation mechanism comprises a sound insulation board fixing joist (2) and a sound insulation board (5), the sound insulation board (5) is mounted on the steel frame (1) through the sound insulation board fixing joist (2), and the sound insulation board (5) is located on one indoor side of the steel frame (1).
9. The steel joist heat-insulating and decorative integrated outer wall product structure according to claim 1, wherein the outer protective mechanism comprises an outer wall decorative plate fixing joist (6), an outer wall decorative plate hanging piece (9) and an outer wall decorative plate (11), the outer wall decorative plate (11) is mounted on the steel frame (1) through the cooperation of the outer wall decorative plate fixing joist (6) and the outer wall decorative plate hanging piece (9), and the outer wall decorative plate (11) is located on the outdoor side of the steel frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320397951.1U CN219604665U (en) | 2023-03-03 | 2023-03-03 | Integrated outer wall product structure of steel joist heat preservation decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320397951.1U CN219604665U (en) | 2023-03-03 | 2023-03-03 | Integrated outer wall product structure of steel joist heat preservation decoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219604665U true CN219604665U (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320397951.1U Active CN219604665U (en) | 2023-03-03 | 2023-03-03 | Integrated outer wall product structure of steel joist heat preservation decoration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219604665U (en) |
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2023
- 2023-03-03 CN CN202320397951.1U patent/CN219604665U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240724 Address after: No. 62 Yangquan Circle Street, Yangquan Circle Village, Tangsanying Town, Longhua County, Chengde City, Hebei Province 068100 Patentee after: Liu Wenjing Country or region after: China Address before: Room 1, Room 402A, 4th Floor, No.1 Haibei Road, Huangcun Town, Daxing District, Beijing, 102611 Patentee before: Beijing andixiaowen Construction Technology Co.,Ltd. Country or region before: China |
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