CN116291129A - Aluminum-wood composite door and window - Google Patents
Aluminum-wood composite door and window Download PDFInfo
- Publication number
- CN116291129A CN116291129A CN202310398611.5A CN202310398611A CN116291129A CN 116291129 A CN116291129 A CN 116291129A CN 202310398611 A CN202310398611 A CN 202310398611A CN 116291129 A CN116291129 A CN 116291129A
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- Prior art keywords
- window
- aluminum
- groove
- wood composite
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002023 wood Substances 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 239000005394 sealing glass Substances 0.000 claims description 20
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004321 preservation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000009970 fire resistant effect Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 208000002925 dental caries Diseases 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000018782 Dacrydium cupressinum Nutrition 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 241000218652 Larix Species 0.000 description 1
- 235000005590 Larix decidua Nutrition 0.000 description 1
- 235000013697 Pinus resinosa Nutrition 0.000 description 1
- 241000534656 Pinus resinosa Species 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 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
- 239000003973 paint Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/04—Wing frames not characterised by the manner of movement
- E06B3/263—Frames with special provision for insulation
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- 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
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/249—Glazing, e.g. vacuum glazing
-
- 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
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/22—Glazing, e.g. vaccum glazing
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention provides an aluminum-wood composite door and window, which comprises a window frame and a window sash, wherein the window frame comprises a frame body and a first clamping block fixed on the frame body, a first clamping groove is formed in one end, far away from the first clamping block, of the frame body, the window sash comprises a fan body and a second clamping block fixed on the fan body, a second clamping groove is formed in one end, far away from the second clamping block, of the fan body, the first clamping block is used for clamping the second clamping groove, and the second clamping block is used for clamping the first clamping groove; still include insulation structure, insulation structure card is located on the fan body, the inside heated board that is provided with of insulation structure. The invention solves the problem of poor heat preservation effect of the traditional aluminum-wood composite door and window, and has the advantages of compact structure, low production cost and good heat preservation effect.
Description
Technical Field
The invention relates to the technical field of aluminum wood doors and windows, in particular to an aluminum wood composite door and window.
Background
At present, doors and windows are mostly made of aluminum-wood composite profiles and glass window sashes, the aluminum-wood composite profiles are formed by compounding aluminum profiles and wood materials, the aluminum-wood composite doors and windows adopt an external aluminum-internal wood structure mode, and glass is mostly made of multi-layer hollow toughened glass. The metal of the outer aluminum is waterproof, dampproof and not easy to deform; the interior wood is mainly prepared from strictly screened larch grown in North European red pine and northeast Asia original forests near the North European region, and imported wood special paint is sprayed on the surface of the interior wood, so that the interior wood is not only dampproof and corrosion-proof, but also various in color systems, the grade of a building is greatly improved, a good visual effect is reflected, and the energy conservation and environmental protection of doors and windows are fully reflected. But due to the defect of structural design, the connection tightness between the glass and the aluminum-wood composite section bar is poor, and air convection is easy to occur indoors and outdoors, so that the heat preservation effect is poor.
Disclosure of Invention
Based on the above, in order to solve the problem of poor heat preservation effect of the traditional aluminum-wood composite door and window, the invention provides an aluminum-wood composite door and window, which has the following specific technical scheme:
the utility model provides an aluminum-wood composite door and window, includes window frame and casement, the window frame includes the framework and is fixed in first joint piece on the framework, be provided with first joint groove on the framework in keeping away from on the one end of first joint piece, the casement includes the fan body and is fixed in on the fan body second joint piece, be provided with the second joint groove on the one end of keeping away from on the fan body second joint piece, first joint piece is used for the block the second joint groove, the second joint piece is used for the block first joint groove; still include insulation structure, insulation structure card is located on the fan body, the inside heated board that is provided with of insulation structure.
According to the aluminum-wood composite door and window, the first clamping block and the second clamping block are arranged, the first clamping block is used for being clamped in the first clamping groove, the second clamping block is used for being clamped in the second clamping groove, the two clamping blocks are matched to fix the window sashes, stability of the window sashes when the window sashes are closed is improved, and sealing performance of the window and the door is also enhanced; by the aid of the heat-insulating plate, the heat-insulating plate is arranged at the inner position of the fan body, heat-insulating effect of the door and window is enhanced, and the problem that the heat-insulating effect of the traditional aluminum-wood composite door and window is poor is solved.
Further, the frame body comprises a window frame outer layer and a window frame fireproof layer, a first cavity is formed in the window frame outer layer, the window frame fireproof layer is arranged in the first cavity, and the first clamping block is fixed on the window frame outer layer.
Further, a first mounting groove is formed in the inner cavity wall of the first cavity, a first connecting fitting is connected with the fireproof layer of the window frame in a clamping mode through the first mounting groove, a first connecting clamping piece is arranged between the fireproof layer of the window frame and the outer layer of the window frame, the first connecting clamping piece is connected with the first connecting fitting in a matched mode, and fireproof cotton silver is paved on the outer surface of the first connecting fitting.
Further, the fan body comprises a window fan outer layer and a window fan fireproof layer, a second cavity is formed in the window fan outer layer, the window fan fireproof layer is arranged in the second cavity, the heat insulation structure is installed on the window fan fireproof layer to face the supporting surface of the heat insulation plate through a cushion block, and the second clamping block is fixed on the window fan outer layer.
Further, a second mounting groove is formed in the inner side cavity wall of the second cavity, a second connecting fitting is connected with the window sash fireproof layer in a clamping mode through the second mounting groove, a second connecting clamping piece is arranged between the window sash fireproof layer and the window sash outer layer in a clamping mode, the second connecting clamping piece is connected with the second connecting fitting in a matched mode, and a fireproof cotton sliver is paved on the outer surface of the second connecting fitting.
Further, the first clamping block and the second clamping block are airtight strips.
Further, the heat insulation structure comprises a first sealing glass and a second sealing glass; a left support plate is arranged on one side of the fan body, a right support plate erected on the cushion block is arranged on the other side of the fan body, and a first groove, a second groove and a third groove are formed in parallel on one opposite side of the left support plate and the right support plate; the two sides of the first sealing glass, the heat insulation plate and the second sealing glass are respectively inserted into the first groove, the second groove and the third groove.
Further, inert gas is filled between the first sealing glass and the heat insulation plate.
Further, a vacuum layer is arranged between the heat insulation plate and the second sealing glass.
Further, the left support plate and the right support plate are both made of an aluminum alloy material; the heat insulation board is made of polypropylene material.
Drawings
The invention will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Fig. 1 is a schematic structural view of an aluminum-wood composite door and window according to an embodiment of the present invention;
fig. 2 is a schematic view of a part of a structure of an aluminum-wood composite door and window according to an embodiment of the invention;
FIG. 3 is a schematic cross-sectional view of an aluminum-wood composite door and window according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an insulation structure of an aluminum-wood composite door and window according to an embodiment of the invention.
Reference numerals illustrate:
1. a window frame; 11. a frame; 111. an outer layer of the window frame; 112. a window frame fire barrier; 113. a first cavity; 114. a first mounting groove; 12. a first clamping block; 13. a first clamping groove; 2. window sashes; 21. a fan body; 211. an outer layer of the window sash; 212. a window sash fireproof layer; 213. a second cavity; 214. a second mounting groove; 22. a second clamping block; 23. a second clamping groove; 3. fireproof cotton sliver; 4. a thermal insulation structure; 41. a first sealing glass; 42. a second sealing glass; 43. a thermal insulation board; 44. a left support plate; 45. a right support plate; 46. a first groove; 47. a second groove; 48. a third groove; 5. and (5) cushion blocks.
Detailed Description
The present invention will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.
As shown in fig. 1-4, an aluminum-wood composite door and window in an embodiment of the invention comprises a window frame 1 and a window sash 2, wherein the window frame 1 comprises a frame 11 and a first clamping block 12 fixed on the frame 11, a first clamping groove 13 is formed in one end, far away from the first clamping block 12, of the frame 11, the window sash 2 comprises a fan body 21 and a second clamping block 22 fixed on the fan body 21, a second clamping groove 23 is formed in one end, far away from the second clamping block 22, of the fan body 21, the first clamping block 12 is used for clamping the second clamping groove 23, and the second clamping block 22 is used for clamping the first clamping groove 13; still include insulation construction 4, insulation construction 4 card is located on the fan 21, and insulation construction 4 is inside to be provided with heated board 43.
According to the aluminum-wood composite door and window, the first clamping block 12 and the second clamping block 22 are arranged, the first clamping block 12 is used for being clamped in the second clamping groove 23, the second clamping block 22 is used for being clamped in the first clamping groove 13, the two blocks are matched to fix the window sashes 2, stability of the window sashes 2 when being closed is improved, and sealing performance of the door and window is also enhanced; by the aid of the heat-insulating plate 43, the heat-insulating plate 43 is arranged at the inner position of the fan body 21, heat-insulating effect of the door and window is enhanced, and the problem that a traditional aluminum-wood composite door and window is poor in heat-insulating effect is solved.
As shown in fig. 2 and 3, in one embodiment, the frame 11 includes a window frame outer layer 111 and a window frame fireproof layer 112, a first cavity 113 is formed inside the window frame outer layer 111, the window frame fireproof layer 112 is disposed in the first cavity 113, and the first clamping block 12 is fixed on the window frame outer layer 111. In this way, the first cavity 113 in the fire-resistant layer 112 of the window 1 may effectively improve the fire-resistant performance and the thermal insulation performance of the window frame 1.
As shown in fig. 3, in one embodiment, a first mounting groove 114 is formed on an inner cavity wall of the first cavity 113, the first connection fitting is clamped with the window frame fireproof layer 112 through the first mounting groove 114, a first connection clamping piece is arranged between the window frame fireproof layer 112 and the window frame outer layer 111, the first connection clamping piece is clamped with the window frame outer layer 111, the first connection clamping piece is connected with the first connection fitting in a matched manner, and the fireproof cotton sliver 3 is paved on the outer surface of the first connection fitting. In this way, the first connecting fitting is connected with the first connecting clamping piece through the matching of screws or rivets, so that the connection between the outer layer 111 of the window frame and the fireproof layer 112 of the window frame can be effectively ensured to be firmer; and the first connecting fitting and the first connecting clamping piece are made of metal materials, so that the fireproof performance and the firmness of the connecting fitting and the first connecting clamping piece can be improved, and the impact resistance of the connecting fitting and the first connecting clamping piece can be improved.
As shown in fig. 2 and 3, in one embodiment, the fan body 21 includes a window sash outer layer 211 and a window sash fire-resistant layer 212, a second cavity 213 is formed inside the window sash outer layer 211, the window sash fire-resistant layer 212 is disposed in the second cavity 213, the thermal insulation structure 4 is mounted on a supporting surface of the window sash fire-resistant layer 212 facing the thermal insulation board 43 through the cushion block 5, and the second clamping block 22 is fixed on the window sash outer layer 211. In this way, the second cavity 213 in the window sash fireproof layer 212 can effectively improve the fireproof performance and the thermal insulation performance of the window sash 2.
As shown in fig. 3, in one embodiment, a second mounting groove 214 is formed on the inner side wall of the second cavity 213, the second connection fitting is clamped with the window sash fireproof layer 212 through the second mounting groove 214, a second connection clamping piece is arranged between the window sash fireproof layer 212 and the window sash outer layer 211, the second connection clamping piece is clamped with the window sash outer layer 211, the second connection clamping piece is matched and connected with the second connection fitting, and the fireproof cotton sliver 3 is paved on the outer surface of the second connection fitting. In this way, the second connecting fitting is connected with the second connecting clamping piece in a matched manner through screws or rivets, so that the connection between the outer layer 211 of the window sash and the fireproof layer 212 of the window sash can be effectively ensured to be firmer; the second connecting fitting and the second connecting clamping piece are made of metal materials, so that the fireproof performance and the firmness of the second connecting fitting and the second connecting clamping piece can be improved, and the impact resistance of the second connecting fitting and the second connecting clamping piece can be improved.
In one embodiment, the first and second clamping blocks 12, 22 are each airtight strips. Therefore, the airtight performance of the door and window is effectively improved; the airtight strip is made of EPDM fireproof adhesive tape, and has good fireproof effect.
As shown in fig. 2 and 4, in one embodiment, the insulating structure 4 includes a first sealing glass 41 and a second sealing glass 42; a left support plate 44 is arranged on one side of the fan body 21, a right support plate 45 erected on the cushion block 5 is arranged on the other side of the fan body 21, and a first groove 46, a second groove 47 and a third groove 48 are formed in parallel on one side, opposite to the right support plate 45, of the left support plate 44; the two sides of the first sealing glass 41, the heat insulation plate 43 and the second sealing glass 42 are respectively inserted into the first groove 46, the second groove 47 and the third groove 48.
In one embodiment, an inert gas is filled between the first sealing glass 41 and the insulating plate 43.
In one embodiment, a vacuum layer is provided between the insulating plate 43 and the second sealing glass 42. Such as
In one embodiment, the left support plate 44 and the right support plate 45 are each made of an aluminum alloy material; the insulation board 43 is made of polypropylene material.
Above-mentioned insulation construction 4 is through pegging graft first sealed glass 41, heated board 43 and the both sides of second sealed glass 42 three in first recess 46, inside second recess 47 and the third recess 48 for fan 21 forms three layer structure, and fan 21 is inside to form two confined cavitys, is full of inert gas and vacuum with two cavitys, has played heat preservation and some sound insulation effect, and fan 21 is inside to be equipped with heated board 43 and has strengthened the heat preservation effect, has solved the relatively poor problem of traditional aluminum-wood composite door and window heat preservation effect.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides an aluminum-wood composite door and window, includes window frame and casement, its characterized in that, the window frame includes the framework and is fixed in first joint piece on the framework, be provided with first joint groove on the framework keep away from on the one end of first joint piece, the casement includes the fan body and is fixed in second joint piece on the fan body, be provided with the second joint groove on the one end of keeping away from on the fan body the second joint piece, first joint piece is used for the block the second joint groove, the second joint piece is used for the block first joint groove; still include insulation structure, insulation structure card is located on the fan body, the inside heated board that is provided with of insulation structure.
2. The aluminum-wood composite door and window according to claim 1, wherein the frame body comprises a window frame outer layer and a window frame fireproof layer, a first cavity is formed in the window frame outer layer, the window frame fireproof layer is arranged in the first cavity, and the first clamping block is fixed on the window frame outer layer.
3. The aluminum-wood composite door and window according to claim 2, wherein a first mounting groove is formed in an inner cavity wall of the first cavity, a first connecting fitting is connected with the window frame fireproof layer in a clamping mode through the first mounting groove, a first connecting clamping piece is arranged between the window frame fireproof layer and the window frame outer layer in a clamping mode, the first connecting clamping piece is connected with the first connecting fitting in a matched mode, and a fireproof cotton sliver is paved on the outer surface of the first connecting fitting.
4. The aluminum-wood composite door and window according to claim 1, wherein the sash body comprises a sash outer layer and a sash fireproof layer, a second cavity is formed in the sash outer layer, the sash fireproof layer is arranged in the second cavity, the heat insulation structure is installed on a supporting surface of the sash fireproof layer facing the heat insulation plate through a cushion block, and the second clamping block is fixed on the sash outer layer.
5. The aluminum-wood composite door and window according to claim 4, wherein a second mounting groove is formed in an inner cavity wall of the second cavity, a second connecting fitting is connected with the window sash fireproof layer in a clamping mode through the second mounting groove, a second connecting clamping piece is arranged between the window sash fireproof layer and the window sash outer layer in a clamping mode, the second connecting clamping piece is connected with the second connecting fitting in a matched mode, and a fireproof cotton sliver is paved on the outer surface of the second connecting fitting.
6. The aluminum-wood composite door and window according to claim 1, wherein the first clamping block and the second clamping block are both airtight strips.
7. The aluminum-wood composite door and window according to claim 4, wherein the insulating structure comprises a first sealing glass and a second sealing glass; a left support plate is arranged on one side of the fan body, a right support plate erected on the cushion block is arranged on the other side of the fan body, and a first groove, a second groove and a third groove are formed in parallel on one opposite side of the left support plate and the right support plate; the two sides of the first sealing glass, the heat insulation plate and the second sealing glass are respectively inserted into the first groove, the second groove and the third groove.
8. The aluminum-wood composite door and window according to claim 7, wherein inert gas is filled between the first sealing glass and the thermal insulation board.
9. The aluminum-wood composite door and window according to claim 8, wherein a vacuum layer is provided between the insulating panel and the second sealing glass.
10. The aluminum-wood composite door and window according to claim 9, wherein the left support plate and the right support plate are each made of an aluminum alloy material; the heat insulation board is made of polypropylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310398611.5A CN116291129A (en) | 2023-04-13 | 2023-04-13 | Aluminum-wood composite door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310398611.5A CN116291129A (en) | 2023-04-13 | 2023-04-13 | Aluminum-wood composite door and window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116291129A true CN116291129A (en) | 2023-06-23 |
Family
ID=86779954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310398611.5A Pending CN116291129A (en) | 2023-04-13 | 2023-04-13 | Aluminum-wood composite door and window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116291129A (en) |
-
2023
- 2023-04-13 CN CN202310398611.5A patent/CN116291129A/en active Pending
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