CN215858829U - Elastic plate with sound insulation structure - Google Patents

Elastic plate with sound insulation structure Download PDF

Info

Publication number
CN215858829U
CN215858829U CN202121821000.XU CN202121821000U CN215858829U CN 215858829 U CN215858829 U CN 215858829U CN 202121821000 U CN202121821000 U CN 202121821000U CN 215858829 U CN215858829 U CN 215858829U
Authority
CN
China
Prior art keywords
layer
mesh
sound insulation
meshes
distributed
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.)
Active
Application number
CN202121821000.XU
Other languages
Chinese (zh)
Inventor
程先胜
孙健
李红
李秀文
杨飞虎
于猛
郑立军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Jiashiyibao Plate Co ltd
Original Assignee
Zhejiang Jiashiyibao Plate Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Jiashiyibao Plate Co ltd filed Critical Zhejiang Jiashiyibao Plate Co ltd
Priority to CN202121821000.XU priority Critical patent/CN215858829U/en
Application granted granted Critical
Publication of CN215858829U publication Critical patent/CN215858829U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Building Environments (AREA)

Abstract

The utility model provides an elastic plate with a sound insulation structure, which comprises: the sound insulation structure layer is arranged on the decorative surface side of the base material layer, or on the non-decorative surface side of the base material layer, or on the intermediate layer of the base material layer; the sound insulation structure layer is made of high sound insulation materials, and the sound insulation performance of the plate is greatly improved after the sound insulation structure layer is compounded with other layers of the plate; the sound insulation structure layer is of a solid structure or a honeycomb net structure, the honeycomb net structure is formed by a plurality of layers of mesh structures, a plurality of meshes which are distributed at intervals are arranged on each layer of mesh structure, and the meshes are circular, rectangular, polygonal or irregular. The utility model has the advantages of beautiful appearance, excellent sound insulation performance, long service life, convenient installation, high composite strength, wide application range, high comprehensive cost performance and the like.

Description

Elastic plate with sound insulation structure
Technical Field
The utility model relates to the technical field of floors, in particular to an elastic plate with a sound insulation structure.
Background
The elastic plate product is increasingly widely applied in the market, has the advantages of environmental protection, skid resistance, wear resistance, deformation resistance, convenient paving and the like, and is a decorative product with good development prospect. The traditional structure of elastic plate includes substrate layer, various rete, wearing layer, UV layer etc.. The traditional elastic plate has insufficient sound insulation performance in actual use, influences the application range of the plate, and also influences the service performance and the attractiveness of the plate to a great extent.
SUMMERY OF THE UTILITY MODEL
In accordance with the technical problem set forth above, an elastic panel with a sound insulation structure is provided. The novel sound insulation structural layer made of the high sound insulation material is arranged on the decorative side of the base material layer, the non-decorative side of the base material layer or the middle layer of the base material layer, and the sound insulation performance of the board is improved to a great extent after the novel sound insulation structural layer and other layers of the board are compounded. The technical means adopted by the utility model are as follows:
a resilient panel with sound insulation construction, comprising: the sound insulation structure layer is arranged on the decorative surface side of the base material layer, or on the non-decorative surface side of the base material layer, or on the intermediate layer of the base material layer; the sound insulation structure layer is made of high sound insulation materials, and the sound insulation performance of the plate is greatly improved after the sound insulation structure layer is compounded with other layers of the plate;
the sound insulation structure layer is of a solid structure or a honeycomb net structure, the honeycomb net structure is formed by a plurality of layers of mesh structures, a plurality of meshes which are distributed at intervals are arranged on each layer of mesh structure, and the meshes are circular, rectangular, polygonal or irregular.
Further, the thickness of the sound insulation construction layer is 0.5-6 mm.
Furthermore, when the meshes of the honeycomb mesh structure are circular or rectangular, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, central line connecting lines of four meshes at four corners form a rectangle, or a plurality of meshes on two adjacent layers of mesh structures are asymmetrically distributed, and central line connecting lines of four meshes at four corners form a parallelogram; the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
Further, when the mesh openings are circular, the diameter is 0.2-3 mm.
Furthermore, when the meshes are rectangular, the length of the meshes is 0.2-3mm, and the width of the meshes is 0.2-3 mm.
Furthermore, when the meshes of the honeycomb mesh structure are polygonal, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, central line connecting lines of four meshes at four corners form a rectangle, or a plurality of meshes on two layers of mesh structures at intervals of one layer of mesh structure are symmetrically distributed, and in the adjacent three layers of mesh structures, a diagonal line between two adjacent meshes of the first layer of mesh structure and two adjacent meshes of the opposite third layer of mesh structure are intersected in the center of the mesh of the second layer of mesh structure;
the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
Furthermore, when the mesh is polygonal, the side length is 0.2-3 mm.
Furthermore, when the mesh of the honeycomb net-shaped structure is irregular, the maximum hole width is 0.2-3 mm.
Compared with the prior art, the utility model has the following advantages:
1. the appearance is beautiful
The elastic plate product adopting the novel sound insulation structure has beautiful appearance and strong decoration.
2. Excellent sound insulation performance
The product of the elastic plate adopting the novel sound insulation structure has obvious sound insulation layer effect and excellent sound insulation performance.
3. Long service life
The product of the elastic plate adopting the novel sound insulation structure has long service life.
4. Convenient installation
The elastic plate product adopting the novel sound insulation structure is convenient and fast in installation process and can better meet the use requirement.
5. High composite strength
According to the elastic plate product adopting the novel sound insulation structure, the sound insulation layer and the base material layer adopt a thermal compounding process, the composite strength is high, the elastic plate is not easy to separate, and the use requirement is better met.
6. Wide application range
The utility model has scientific and reasonable structure, can be applied to various elastic plate products and provides wider application range.
7. High comprehensive cost performance
The elastic plate product adopting the novel sound insulation structure has high comprehensive cost performance, is favorable for popularization or popularization, and develops the market space of the plate.
Based on the reasons, the utility model can be widely popularized in the fields of buildings, gardens, trestles, parks and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an elastic plate with a sound insulating structure in example 1 of the present invention, in which a sound insulating structure layer is provided on the decorative surface side of a base material layer.
Fig. 2 is a schematic structural view of an elastic plate with a sound insulating structure in example 1 of the present invention, in which a sound insulating structure layer is provided on a non-decorative surface side of a base material layer.
Fig. 3 is a schematic structural view of an elastic plate with a sound insulation structure in example 1 of the present invention, in which a sound insulation structure layer is disposed in an intermediate layer of a base material layer.
Fig. 4 is a schematic structural view of an elastic plate with a sound insulating structure in example 2 of the present invention, in which a sound insulating structure layer is provided on the decorative surface side of a base material layer.
Fig. 5 is a schematic structural view of an elastic plate with a sound insulating structure in example 2 of the present invention, in which a sound insulating structure layer is provided on the non-decorative surface side of a base material layer.
Fig. 6 is a schematic structural view of an elastic plate with a sound insulation structure in example 2 of the present invention, in which a sound insulation structure layer is disposed in an intermediate layer of a base material layer.
Fig. 7 is a schematic structural view of an elastic plate with a sound insulating structure in example 3 of the present invention, in which a sound insulating structure layer is provided on the decorative surface side of a base material layer.
Fig. 8 is a schematic structural view of an elastic plate with a sound insulating structure in example 3 of the present invention, in which a sound insulating structure layer is provided on the non-decorative surface side of a base material layer.
Fig. 9 is a schematic structural view of an elastic plate with a sound insulation structure in example 3 of the present invention, in which a sound insulation structure layer is disposed in an intermediate layer of a base material layer.
Fig. 10 is a schematic structural view of an elastic plate with a sound insulating structure in example 4 of the present invention, in which a sound insulating structure layer is provided on the decorative surface side of a base material layer.
Fig. 11 is a schematic structural view of an elastic plate with a sound insulating structure in example 4 of the present invention, in which a sound insulating structure layer is provided on the non-decorative surface side of a base material layer.
Fig. 12 is a schematic structural view of an elastic plate with a sound insulation structure in example 4 of the present invention, in which a sound insulation structure layer is disposed in an intermediate layer of a base material layer.
Fig. 13 is a schematic structural view of an elastic plate with a sound insulating structure in example 5 of the present invention, in which a sound insulating structure layer is provided on the decorative surface side of a base material layer.
Fig. 14 is a schematic structural view of an elastic plate with a sound insulating structure in example 5 of the present invention, in which a sound insulating structure layer is provided on the non-decorative surface side of a base material layer.
Fig. 15 is a schematic structural view of an elastic plate with a sound insulation structure in example 5 of the present invention, in which a sound insulation structure layer is provided in an intermediate layer of a base material layer.
In the figure: 1. a UV layer; 2. a color film layer; 3. a substrate layer; 31. a substrate layer A; 32. a base material layer B; 4. a wear layer; 5. a sound insulating structural layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 15, the present invention provides an elastic panel with a sound insulation structure, comprising: the sound insulation structure layer 5 is arranged on the decorative surface side of the base material layer 3, or on the non-decorative surface side of the base material layer 3, or on the middle layer of the base material layer 3; the sound insulation structure layer 5 is made of a high sound insulation material and is compounded with other layers of the plate, so that the sound insulation performance of the plate is greatly improved; the sound insulation structure layer 5 is of a solid structure or a honeycomb net structure, the honeycomb net structure is composed of a plurality of layers of mesh structures, a plurality of meshes which are distributed at intervals are arranged on each layer of mesh structure, and the meshes are circular, rectangular, polygonal or irregular.
In a preferred embodiment, the sound insulation structural layer 5 has a thickness of 0.5 to 6 mm.
As a preferred embodiment, when the mesh of the honeycomb mesh structure is circular or rectangular, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, the central lines of four meshes at four corners form a rectangle, or a plurality of meshes on two adjacent layers of mesh structures are asymmetrically distributed, and the central lines of four meshes at four corners form a parallelogram; the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
In a preferred embodiment, the mesh openings have a diameter of 0.2 to 3mm when they are circular.
In a preferred embodiment, the mesh has a rectangular shape, a length of 0.2 to 3mm and a width of 0.2 to 3 mm.
As a preferred embodiment, when the mesh of the honeycomb mesh structure is polygonal, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, central lines of four meshes at four corners form a rectangle, or a plurality of meshes on two layers of mesh structures spaced by one layer of mesh structure are symmetrically distributed, in the adjacent three layers of mesh structures, a diagonal line between two adjacent meshes of the first layer of mesh structure and two adjacent meshes of the opposite third layer of mesh structure intersect at the center of the mesh of the second layer of mesh structure; the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
In a preferred embodiment, when the mesh is polygonal, the side length is 0.2 to 3 mm.
In a preferred embodiment, when the cells of the honeycomb network are irregular, the maximum cell width is 0.2 to 3 mm.
Example 1
The utility model provides an elastic panel with sound insulation structure, mainly includes substrate layer 3, various rete 2, wearing layer 4, UV layer 1 etc. still includes a novel sound insulation structure layer 5, and this sound insulation structure layer 5 is high sound insulation material, and after other layers of panel are compound, to a great extent increase panel sound insulation performance.
In this embodiment, the sound insulation structural layer 5 is a solid structure. The installation position of the sound insulation construction layer 5 is expanded as follows:
as shown in fig. 1, the sound insulation structure layer 5 is provided on the decorative surface side of the base material layer 3, and has a thickness a1 of 0.5 mm.
As shown in fig. 2, the sound insulation structure layer 5 is provided on the non-decorative surface side of the base material layer 3, and has a thickness a1 of 1.5 mm.
As shown in fig. 3, the sound insulation structure layer 5 is provided in the middle layer of the base material layer 3, that is, between the base material layers a31 and B32, and has a thickness a1 of 2 mm.
Example 2
Unlike embodiment 1, in this embodiment, the sound insulation structural layer 5 is a honeycomb network structure. The mesh of the honeycomb mesh structure is circular, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, the central line connecting lines of four meshes at four corners form a rectangle, or a plurality of meshes on two adjacent layers of mesh structures are asymmetrically distributed, and the central line connecting lines of four meshes at four corners form a parallelogram; the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
The installation position of the sound insulation construction layer 5 is expanded as follows:
as shown in FIG. 4, the sound insulation structure layer 5 is provided on the decorative surface side of the base material layer 3, and has a thickness of 0.5mm and a mesh diameter d1 of 0.2 mm.
As shown in FIG. 5, the sound insulation structure layer 5 is provided on the non-decorative surface side of the base material layer 3, and has a thickness of 2mm and a mesh diameter d1 of 1.5 mm.
As shown in fig. 6, the sound insulation structure layer 5 is provided in the middle layer of the base material layer 3, that is, between the base material layers a31 and B32, and has a thickness of 6mm and a mesh diameter d1 of 3 mm.
Example 3
Unlike embodiment 1, in this embodiment, the sound insulation structural layer 5 is a honeycomb network structure. The mesh of the honeycomb mesh structure is polygonal, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, central lines of four meshes at four corners form a rectangle, or a plurality of meshes on two layers of mesh structures at intervals of one layer of mesh structure are symmetrically distributed, and in the adjacent three layers of mesh structures, diagonals between two adjacent meshes of the first layer of mesh structure and two adjacent meshes of the opposite third layer of mesh structure are intersected at the center of the mesh of the second layer of mesh structure; the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
The sound insulation structural layer 5 is hexagonal, and the installation position of the sound insulation structural layer 5 is expanded as follows:
as shown in fig. 7, the sound insulation structure layer 5 is provided on the decorative surface side of the base material layer 3, and has a thickness of 1.5mm, and a mesh side length b1 of 0.2mm to a 2.
As shown in fig. 8, the sound insulation structure layer 5 is provided on the non-decorative surface side of the base material layer 3, and has a thickness of 3mm, and a mesh side length b1 is 0.3mm as a 2.
As shown in fig. 9, the sound insulation structure layer 5 is provided in the middle layer of the base material layer 3, that is, between the base material layers a31 and B32, and has a thickness of 5mm, and the side length B1 of the mesh is 3mm at a 2.
Example 4
Unlike embodiment 1, in this embodiment, the sound insulation structural layer 5 is a honeycomb network structure. The mesh of the honeycomb mesh structure is rectangular, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, central line connecting lines of four meshes at four corners form a rectangle, or a plurality of meshes on two adjacent layers of mesh structures are asymmetrically distributed, and central line connecting lines of four meshes at four corners form a parallelogram; the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
The installation position of the sound insulation construction layer 5 is expanded as follows:
as shown in fig. 10, the sound insulation structure layer 5 is provided on the decorative surface side of the base material layer 3, and has a thickness of 0.5mm, a mesh length a3 of 0.5mm, and a width b2 of 0.2 mm.
As shown in fig. 11, the sound insulation structure layer 5 is provided on the non-decorative surface side of the base material layer 3, and has a thickness of 3mm, a mesh length a3 of 2mm, and a width b2 of 1.5 mm.
As shown in fig. 12, the sound insulation structure layer 5 is provided in the middle layer of the base material layer 3, that is, between the base material layers a31 and B32, and has a thickness of 6mm, a mesh length a3 of 3mm, and a width B2 of 3 mm.
Example 5
Unlike embodiment 1, in this embodiment, the sound insulation structural layer 5 is a honeycomb network structure. The mesh of the honeycomb net structure is irregular, and can be a structure formed by four semicircles and provided with small holes in the middle.
The installation position of the sound insulation construction layer 5 is expanded as follows:
as shown in fig. 13, the sound insulation structure layer 5 is provided on the decorative surface side of the base material layer 3, and has a thickness of 1mm, and a maximum mesh width b3 of mesh is 1mm as a 4.
As shown in fig. 14, the sound insulation structure layer 5 is provided on the non-decorative surface side of the base material layer 3, and has a thickness of 2.5mm, and a maximum mesh width b3 of mesh is 2mm as a 4.
As shown in fig. 15, the sound insulation structure layer 5 is provided in the intermediate layer of the base material layer 3, that is, between the base material layers a31 and B32, and has a thickness of 4mm, and a maximum opening width B3 of the mesh is 3mm at a 4.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. An elastic panel with a sound insulation construction, comprising: the sound insulation structure layer (5) is arranged on the decorative surface side of the base material layer (3), or the non-decorative surface side of the base material layer (3), or the middle layer of the base material layer (3); the sound insulation structure layer (5) is made of a high sound insulation material, and the sound insulation performance of the board is greatly improved after the sound insulation structure layer is compounded with the board layer;
the sound insulation structure layer (5) is of a solid structure or a honeycomb net structure, the honeycomb net structure is composed of a plurality of layers of mesh structures, a plurality of meshes which are distributed at intervals are arranged on each layer of mesh structure, and the meshes are circular, rectangular or polygonal.
2. Elastic panel with sound insulation construction according to claim 1, characterized in that the layer of sound insulation construction (5) has a thickness of 0.5-6 mm.
3. The elastic plate with the sound insulation structure as claimed in claim 1 or 2, wherein when the mesh of the honeycomb mesh structure is circular or rectangular, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are distributed symmetrically, the central lines of four meshes at four corners form a rectangle, or a plurality of meshes on two adjacent layers of mesh structures are distributed asymmetrically, and the central lines of four meshes at four corners form a parallelogram; the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
4. A resilient panel with an acoustical isolation construction as claimed in claim 3, wherein the mesh openings, when circular, have a diameter of 0.2-3 mm.
5. A resilient panel with an acoustical isolation construction as claimed in claim 3, wherein the mesh openings, when rectangular, have a length of 0.2-3mm and a width of 0.2-3 mm.
6. The elastic plate with the sound insulation structure as claimed in claim 1 or 2, wherein when the mesh of the honeycomb mesh structure is polygonal, a plurality of meshes on each layer of mesh structure are distributed at equal intervals, a plurality of meshes on two adjacent layers of mesh structures are symmetrically distributed, central lines of four meshes at four corners form a rectangle, or a plurality of meshes on two layers of mesh structures which are separated by one layer of mesh structure are symmetrically distributed, and in the adjacent three layers of mesh structures, diagonals between two adjacent meshes of the first layer of mesh structure and two adjacent meshes of the opposite third layer of mesh structure intersect at the center of the mesh of the second layer of mesh structure;
the plurality of meshes on each layer of mesh structure are distributed at unequal intervals, and the plurality of meshes on the adjacent two layers of mesh structures are distributed in a staggered manner.
7. An elastic panel with a sound insulation structure according to claim 6, wherein the side length of the mesh is 0.2-3mm when the mesh is polygonal.
CN202121821000.XU 2021-08-05 2021-08-05 Elastic plate with sound insulation structure Active CN215858829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121821000.XU CN215858829U (en) 2021-08-05 2021-08-05 Elastic plate with sound insulation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121821000.XU CN215858829U (en) 2021-08-05 2021-08-05 Elastic plate with sound insulation structure

Publications (1)

Publication Number Publication Date
CN215858829U true CN215858829U (en) 2022-02-18

Family

ID=80326603

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121821000.XU Active CN215858829U (en) 2021-08-05 2021-08-05 Elastic plate with sound insulation structure

Country Status (1)

Country Link
CN (1) CN215858829U (en)

Similar Documents

Publication Publication Date Title
CN215858829U (en) Elastic plate with sound insulation structure
CN202208141U (en) Cellular board
WO2021169567A1 (en) Decorative plate
CN208914714U (en) A kind of corrosion resistant novel color steel plate
CN203334589U (en) Artificial granite decorative sheet
CN216196299U (en) Novel sound insulation type floor
CN205776834U (en) A kind of warming plate
CN218881421U (en) Integrated sound insulation plate structure
CN201679107U (en) Hollow aluminum micropunch sound-absorbing composite board
CN211080655U (en) Prefabricated factory building wallboard
JP2023123063A5 (en)
CN214324494U (en) Light wood grain decorative wallboard
CN207761215U (en) A kind of decorative wall face paste
CN213015094U (en) Novel resistance to compression sound insulation fitment panel
CN201645917U (en) Plastic-aluminum hollow slab
CN201212188Y (en) Energy-conserving structure of novel buildings enclosing construction
CN220184926U (en) Non-metal material intensity reinforcing structure
CN216465149U (en) Plate paving anti-drop structure
KR980002528A (en) Sandwich panel for construction and civil engineering reinforced with metallic net and manufacturing method
CN216893316U (en) Wood-plastic decorative floor
CN211817677U (en) Multilayer composite elastic floor
CN219133421U (en) Honeycomb material composite board
CN220280755U (en) Synthetic quartz plate of thermal-insulated quartz
CN220226040U (en) Composite structure homogenizing plate
CN211499557U (en) External corner component for wall surface

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant