CN211008303U - Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window - Google Patents
Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window Download PDFInfo
- Publication number
- CN211008303U CN211008303U CN201921798907.1U CN201921798907U CN211008303U CN 211008303 U CN211008303 U CN 211008303U CN 201921798907 U CN201921798907 U CN 201921798907U CN 211008303 U CN211008303 U CN 211008303U
- Authority
- CN
- China
- Prior art keywords
- heat
- insulation
- thermal
- heat insulation
- insulated
- 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
Links
Images
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model provides a single heat-preservation and heat-insulation reinforcing structure of a passive internally-opened door and window, wherein the single heat-preservation and heat-insulation reinforcing strip is a hollow cavity type structure which is formed by a first clamping part, a heat-insulation main body part and a second clamping part; the first clamping part and the second clamping part are made of ethylene propylene diene monomer materials, and the heat insulation main body part is made of ethylene propylene diene monomer foaming materials; the single heat-insulation reinforcing strip is connected with the heat-insulation structure B through the first clamping portion and the second clamping portion in a buckling mode, a first protrusion which is inconsistent with the heat-insulation structure B is arranged on the heat-insulation main body portion on one side of the single heat-insulation reinforcing strip which is connected with the heat-insulation structure B in a buckling mode, and a second protrusion which is inconsistent with the heat-insulation structure A is arranged on the other side of the heat-insulation main body portion. The utility model discloses reduced the material proportion of EPT material on the thermal-insulated reinforcing strip of single heat preservation, increased the material proportion of EPT expanded material, not only fixed position has played the fixed action, guarantees firm not droing, has reached better thermal-insulated effect moreover.
Description
Technical Field
The utility model belongs to the technical field of the door and window technique of opening in the passive form and specifically relates to a door and window's thermal-insulated reinforced structure that singly keeps warm in passive form is related to.
Background
Sealing rubber strips between window sashes and window frames of the existing doors and windows have various shapes, most of the sealing rubber strips are made of ethylene propylene diene monomer materials directly, and the improvement of the heat insulation effect is limited; or some heat insulation strips made of 6.6% nylon and 25% glass fiber materials with the heat conductivity coefficient of 0.3W/m.K and the ethylene propylene diene monomer material are adopted, so that the improvement of the heat insulation effect is limited.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a passive form is interior to open door and window's single thermal-insulated reinforcing structure that keeps warm, solved the problem that the thermal-insulated effect that the passive form is interior to open door and window's the thermal-insulated structure of keeping warm exists among the correlation technique has to some extent restricted.
In order to solve the technical problem, the utility model provides a single heat preservation and heat insulation reinforcing structure of passive type internal-opening door and window, including fan frame structure, frame structure and muntin structure, install thermal-insulated structure A on the fan frame structure, install thermal-insulated structure B on frame structure and muntin structure, be provided with single heat preservation and heat insulation reinforcing bar between thermal-insulated structure A and the thermal-insulated structure B, single heat preservation and heat insulation reinforcing bar is the hollow cavity formula structure of integrated into one piece by first joint portion, thermal-insulated main part and second joint portion; the first clamping portion and the second clamping portion are made of ethylene propylene diene monomer materials, and the heat insulation main body portion is made of ethylene propylene diene monomer foaming materials; the single heat-insulation reinforcing strip is connected with the heat-insulation structure B through a first clamping portion and a second clamping portion, the single heat-insulation reinforcing strip is connected with one side of the heat-insulation structure B through a clamping, a first protrusion which is inconsistent with the heat-insulation structure B is arranged on the heat-insulation main body portion, and a second protrusion which is inconsistent with the heat-insulation structure A is arranged on the other side of the heat-insulation main body portion.
A first clamping block facing the heat insulation structure B is arranged on one side, located on the first bulge of the heat insulation main body part, of the first clamping part, and the first clamping block is connected with a first clamping groove of the heat insulation structure B in a clamping mode; a bent edge facing the heat insulation structure A is arranged on one side, located on the second bulge, of the heat insulation main body part of the first clamping part, and the bent edge is abutted against the side face of the heat insulation structure A; the bending edges and the side faces of the heat insulation structure A4 are respectively provided with a small magnetic sheet, the second clamping portion comprises a second clamping block facing the heat insulation structure B and a connecting body integrally connected with the heat insulation main body portion, and the second clamping block is connected with the second clamping groove of the heat insulation structure B in a buckling mode.
The end part of the first bulge, which is contacted with the heat insulation structure B, is a horizontal plane, the end part of the second bulge, which is contacted with the heat insulation structure A, is an arc-shaped plane, and the arc-shaped plane inclines downwards towards the windowing direction of the sash frame structure.
The heat insulation main body part is provided with a plurality of first cavities which are horizontally arranged, and the first clamping part is provided with two second cavities which are vertically arranged and a third cavity which is in a parallelogram shape; the width of the first cavity and the second cavity is 9-12 mm.
The heat conductivity coefficient of the ethylene propylene diene monomer material is not more than 0.25W/m.K, and the heat conductivity coefficient of the ethylene propylene diene monomer foaming material is not more than 0.05W/m.K.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses an adopt and set up into by first joint portion with the thermal-insulated reinforcing strip that keeps warm, thermal-insulated main part and second joint portion integrated into one piece's cavity style structure, set up first joint portion and second joint portion into the joint department with other thermal-insulated strips and adopt the EPT material, can play better firm effect, all the other thermal-insulated main part adopts the EPT expanded material, the material proportion of the EPT material on the thermal-insulated reinforcing strip that keeps warm has been reduced, the material proportion of the EPT expanded material has been increased, the EPT expanded material can play better thermal-insulated effect than the EPT material, not only fixed position has played the fixed action, guarantee to stabilize not drop, and better thermal-insulated effect has been reached.
2. The utility model discloses a set up the second arch on the plane of insulating against heat reinforcing bar and thermal-insulated structure A contact with single heat preservation, with set up first arch on the plane of thermal-insulated structure B contact, the second is protruding to contradict with thermal-insulated structure A and forms cavity structures, and first arch is contradicted with thermal-insulated structure B and is formed cavity structures, has reached better thermal-insulated effect to first arch and second arch have increased sealed effect and thermal-insulated effect when door and window closes.
3. The utility model discloses further one side of first joint portion sets up first fixture block and is used for the first draw-in groove zonulae occludens with thermal-insulated structure B, the opposite side of first joint portion sets up towards thermal-insulated structure A's the limit of buckling, because first joint portion sets up the rear end in door and window windowing direction, it buckles the limit and plays spacing and sealed effect to door and window closure, the limit of buckling and first fixture block adoption EPT material in the first joint portion, the firm function that first joint portion is connected with thermal-insulated structure B has been increased, the firm function on the limit of buckling has also been increased, the limit of buckling is to the bending of thermal-insulated structure A and the up end of single thermal-insulated reinforcing strip that keeps warm basically parallel or the downward sloping slightly, the sealed effect on the limit of buckling has been increased.
4. The utility model discloses further second joint portion sets up in first bellied one side, second draw-in groove zonulae occludens through its second fixture block and thermal-insulated structure B, and its connector is parallel basically and an organic whole with the lower terminal surface of the thermal-insulated reinforcing strip of single heat preservation, the connector contact of second draw-in groove and second joint portion, second joint portion adopts the ethylene-propylene-diene monomer material, the firm effect of second joint portion has been increased, and then the firm effect that second joint portion and thermal-insulated structure B are connected has been increased, the thermal-insulated main part that has increased the thermal-insulated reinforcing strip of single heat preservation adopts the area of ethylene-propylene-diene monomer expanded material, better thermal-insulated effect has been reached.
5. The utility model further sets the end part of the first bulge contacting with the heat insulation structure B as a horizontal plane, thus increasing the sealing property of the single heat insulation reinforcing strip contacting with the heat insulation structure B; the end part of the second protrusion in contact with the heat insulation structure A is set to be an arc-shaped plane, the contact surface of the heat insulation structure A and the single heat insulation reinforcing strip is an inclined plane, the arc-shaped plane inclines downwards towards the window opening direction of the sash frame structure, the consistency of the second protrusion in the plane of the heat insulation structure A is guaranteed, and the sealing effect of the door and window when the door and window is closed is improved.
6. The utility model further arranges a first cavity on the heat insulation main body part of the single heat insulation reinforcing strip, the width of the first cavity is 9-12mm, and a better heat insulation effect is achieved; be provided with the second cavity of two vertical arrangements in first joint portion, increase the thermal-insulated reinforcing strip of single heat preservation and in the ascending buffering of vertical side, set up a third cavity that is parallelogram in first joint portion, the third cavity has increased the buffering when buckling limit and thermal-insulated structure B contradict, has reached better thermal-insulated effect and sealed effect.
Drawings
The single heat-insulating reinforced structure and the sealing buckle reader-writer of the passive inward-opening door and window of the present invention will be described in further detail with reference to the accompanying drawings and the specific embodiments.
Fig. 1 is a schematic structural view of the single heat-insulating reinforced structure of the passive inward-opening door and window of the present invention.
Fig. 2 is a schematic structural view of the single heat-insulating reinforcing strip of the present invention.
The reference numerals are explained below.
The heat insulation structure comprises a fan frame structure 1, a frame structure 2, a mullion structure 3, a heat insulation structure A4, a heat insulation structure B5, a first clamping groove 5-1, a second clamping groove 5-2, a single heat insulation reinforcing strip 6, a first clamping part 6-1, a first clamping block 6-1-1, a bending edge 6-1-2, a second cavity 6-1-3, a third cavity 6-1-4, a heat insulation main body part 6-2, a first bulge 6-2-1, a second bulge 6-2-2, a first cavity 6-2-3, a second clamping part 6-3, a second clamping block 6-3-1 and a connecting body 6-3-2.
Detailed Description
As shown in fig. 1 and 2, the utility model provides a single heat preservation and heat insulation reinforcing structure of passive internal-opening door and window, including fan frame structure 1, frame structure 2 and muntin structure 3, install thermal-insulated structure A4 on fan frame structure 1, install thermal-insulated structure B5 on frame structure 2 and the muntin structure 3, be provided with single heat preservation and heat insulation reinforcing strip 6 between thermal-insulated structure A4 and thermal-insulated structure B5, single heat preservation and heat insulation reinforcing strip 6 is the hollow cavity formula structure by first joint portion 6-1, thermal-insulated main part 6-2 and second joint portion 6-3 integrated into one piece; the first clamping portion 6-1 and the second clamping portion 6-3 are made of ethylene propylene diene monomer materials, and the heat insulation main body portion 6-2 is made of ethylene propylene diene monomer foaming materials; the heat conductivity coefficient of the ethylene propylene diene monomer material is not more than 0.25W/m.K, and the heat conductivity coefficient of the ethylene propylene diene monomer foaming material is not more than 0.05W/m.K.
This embodiment sets up to by first joint portion through adopting the thermal-insulated reinforcing strip that keeps warm singly, thermal-insulated main part and second joint portion integrated into one piece's cavity style structure, set up first joint portion and second joint portion into the joint department with other thermal-insulated strips and adopt the EPT material, can play better firm effect, remaining thermal-insulated main part adopts the EPT expanded material, the material proportion of the EPT material on the thermal-insulated reinforcing strip that keeps warm singly has been reduced, the material proportion of the EPT expanded material has been increased, not only fixed position has played the fixed action, guarantee to stabilize not drop, and better thermal-insulated effect has been reached.
Singly keep warm thermal-insulated reinforcing strip 6 through first joint portion 6-1 and second joint portion 6-3 with thermal-insulated structure B5 buckle is connected, singly keep warm thermal-insulated reinforcing strip 6 with thermal-insulated structure B5 buckle is connected one side be provided with on the thermal-insulated main part 6-2 with thermal-insulated structure B5 inconsistent first arch 6-2-1, the opposite side of thermal-insulated main part 6-2 be provided with thermal-insulated structure A4 inconsistent second arch 6-2-2.
This embodiment sets up the second arch on through the plane of insulating against heat reinforcing bar and thermal-insulated structure A contact with singly keeping warm, with set up first arch on the plane of thermal-insulated structure B contact, the second arch forms cavity structures with thermal-insulated structure A conflict, first arch forms cavity structures with thermal-insulated structure B conflict, better heat-proof effect has been reached, and first arch and second arch sealed effect and thermal-insulated effect when having increased door and window closure
Various modifications of the present embodiment will be described in detail below.
A first clamping block 6-1-1 facing the heat insulation structure B5 is arranged on one side, located on a first protrusion 6-2-1 of the heat insulation main body part 6-2, of the first clamping part 6-1, and the first clamping block 6-1-1 is connected with a first clamping groove 5-1 of the heat insulation structure B5 in a clamping mode; first joint portion 6-1 is located the protruding 6-2-2 one side of the second of thermal-insulated main part 6-2 is provided with the orientation 6-1-2 of buckling of thermal-insulated structure A4, buckle limit 6-1-2 with thermal-insulated structure A4 side butt, buckle limit 6-1-2 with all install little magnetic sheet on the thermal-insulated structure A4 side, single thermal-insulated reinforcing strip 6 can attract thermal-insulated structure A4 when opening door and window including closing to guarantee that the interior door and window opens and targets in place, increases the leakproofness, and thrust when opening interior door and window is greater than the suction between the little magnetic sheet, so can not influence the smooth and easy nature of opening and shutting of interior door and window.
This embodiment sets up first fixture block through the one side with first joint portion and is used for the first draw-in groove zonulae occludens with thermal-insulated structure B, the opposite side of first joint portion sets up towards thermal-insulated structure A's the limit of buckling, because first joint portion sets up the rear end in door and window windowing direction, its limit of buckling plays spacing and sealed effect to door and window closure, the limit of buckling and first fixture block in the first joint portion adopt the EPT material, the firm action that first joint portion and thermal-insulated structure B are connected has been increased, the firm action on the limit of buckling has also been increased, the limit of buckling is parallel basically or the downward sloping slightly to the upper end face of thermal-insulated structure A bending and single thermal-insulated reinforcing strip that keeps warm, the sealed effect on the limit of buckling has been increased.
The second clamping portion 6-3 comprises a second clamping block 6-3-1 facing the heat insulation structure B5 and a connecting body 6-3-2 integrally connected with the heat insulation main body portion 6-2, and the second clamping block 6-3-1 is connected with a second clamping groove 5-2 of the heat insulation structure B5 in a clamping mode.
This embodiment is through setting up second joint portion in first bellied one side, second draw-in groove zonulae occludens through its second fixture block and thermal-insulated structure B, and its connector is parallel basically and an organic whole with the lower terminal surface of the thermal-insulated reinforcing strip that singly keeps warm, the connector contact of second draw-in groove and second joint portion, second joint portion adopts the ethylene-propylene-diene monomer material, the firm effect of second joint portion has been increased, and then the firm effect that second joint portion and thermal-insulated structure B are connected has been increased, the thermal-insulated main part that has increased the thermal-insulated reinforcing strip that singly keeps warm adopts the area of ethylene-propylene-diene monomer expanded material, better heat-proof effect has been reached.
The end part of the first bulge 6-2-1, which is in contact with the heat insulation structure B5, is a horizontal plane, the end part of the second bulge 6-2-2, which is in contact with the heat insulation structure A4, is an arc plane, and the arc plane is inclined downwards towards the windowing direction of the sash frame structure 1.
In the embodiment, the end part of the first bulge, which is in contact with the heat insulation structure B, is set to be a horizontal plane, so that the contact tightness of the single heat-preservation heat-insulation reinforcing strip and the heat insulation structure B is improved; the end part of the second protrusion in contact with the heat insulation structure A is set to be an arc-shaped plane, the contact surface of the heat insulation structure A and the single heat insulation reinforcing strip is an inclined plane, the arc-shaped plane inclines downwards towards the window opening direction of the sash frame structure, the consistency of the second protrusion in the plane of the heat insulation structure A is guaranteed, and the sealing effect of the door and window when the door and window is closed is improved.
The heat insulation main body part 6-2 is provided with a plurality of first cavities 6-2-3 which are horizontally arranged, and the first clamping part 6-1 is provided with two second cavities 6-1-3 which are vertically arranged and a third cavity 6-1-4 which is in a parallelogram shape; the width of the first cavity 6-2-3 and the second cavity 6-1-3 is 9-12 mm.
In the embodiment, the first cavity is arranged on the heat insulation main body part of the single heat insulation reinforcing strip, and the width of the first cavity is 9-12mm, so that a better heat insulation effect is achieved; be provided with the second cavity of two vertical arrangements in first joint portion, increase the thermal-insulated reinforcing strip of single heat preservation and in the ascending buffering of vertical side, set up a third cavity that is parallelogram in first joint portion, the third cavity has increased the buffering when buckling limit and thermal-insulated structure B contradict, has reached better thermal-insulated effect and sealed effect.
It should be noted that the above-mentioned contents and specific embodiments are intended to demonstrate the practical application of the technical solution provided, and should not be interpreted as limiting the scope of the present protection. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and scope of the present teachings. The scope of protection is subject to the appended claims.
Claims (5)
1. A single heat preservation and heat insulation reinforcing structure of a passive inward-opening door and window comprises a sash frame structure (1), a frame structure (2) and a mullion structure (3), wherein the sash frame structure (1) is provided with a heat insulation structure A (4), the frame structure (2) and the mullion structure (3) are provided with a heat insulation structure B (5), and the single heat preservation and heat insulation reinforcing structure is characterized in that,
a single heat-preservation and heat-insulation reinforcing strip (6) is arranged between the heat-insulation structure A (4) and the heat-insulation structure B (5), and the single heat-preservation and heat-insulation reinforcing strip (6) is a hollow cavity structure integrally formed by a first clamping part (6-1), a heat-insulation main body part (6-2) and a second clamping part (6-3); the first clamping part (6-1) and the second clamping part (6-3) are made of ethylene propylene diene monomer materials, and the heat insulation main body part (6-2) is made of ethylene propylene diene monomer foaming materials;
singly keep warm thermal-insulated reinforcing strip (6) through first joint portion (6-1) and second joint portion (6-3) with thermal-insulated structure B (5) buckle is connected, singly keep warm thermal-insulated reinforcing strip (6) with thermal-insulated structure B (5) buckle is connected one side be provided with on thermal-insulated main part (6-2) with thermal-insulated structure B (5) inconsistent first arch (6-2-1), the opposite side of thermal-insulated main part (6-2) be provided with thermal-insulated structure A (4) inconsistent second arch (6-2-2).
2. The single insulation and thermal insulation reinforced structure of the passive inward-opening door and window according to claim 1,
a first clamping block (6-1-1) facing the heat insulation structure B (5) is arranged on one side, located on a first bulge (6-2-1) of the heat insulation main body part (6-2), of the first clamping part (6-1), and the first clamping block (6-1-1) is connected with a first clamping groove (5-1) of the heat insulation structure B (5) in a clamping mode;
one side, located at the second bulge (6-2-2) of the heat insulation main body part (6-2), of the first clamping part (6-1) is provided with a bending edge (6-1-2) facing the heat insulation structure A (4), and the bending edge (6-1-2) is abutted to the side face of the heat insulation structure A (4);
the second clamping portion (6-3) comprises a second clamping block (6-3-1) facing the heat insulation structure B (5) and a connecting body (6-3-2) integrally connected with the heat insulation main body portion (6-2), and the second clamping block (6-3-1) is connected with a second clamping groove (5-2) of the heat insulation structure B (5) in a clamping mode.
3. The single insulation and thermal insulation reinforced structure of the passive inward-opening door and window according to claim 1,
the end part of the first bulge (6-2-1) in contact with the heat insulation structure B (5) is a horizontal plane, the end part of the second bulge (6-2-2) in contact with the heat insulation structure A (4) is an arc plane, and the arc plane is inclined downwards towards the windowing direction of the sash frame structure (1).
4. The single-heat-preservation and heat-insulation reinforcing structure of the passive inward-opening door and window as claimed in claim 1, wherein a plurality of horizontally arranged first cavities (6-2-3) are arranged on the heat-insulation main body part (6-2), and two vertically arranged second cavities (6-1-3) and a parallelogram-shaped third cavity (6-1-4) are arranged on the first clamping part (6-1); the width of the first cavity (6-2-3) and the second cavity (6-1-3) is 9-12 mm.
5. The single insulation reinforcing structure for the passive inward-opening door and window according to claim 1, wherein the ethylene propylene diene monomer material has a thermal conductivity of not more than 0.25W/m.k, and the ethylene propylene diene monomer foam material has a thermal conductivity of not more than 0.05W/m.k.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798907.1U CN211008303U (en) | 2019-10-24 | 2019-10-24 | Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798907.1U CN211008303U (en) | 2019-10-24 | 2019-10-24 | Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211008303U true CN211008303U (en) | 2020-07-14 |
Family
ID=71469935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921798907.1U Active CN211008303U (en) | 2019-10-24 | 2019-10-24 | Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211008303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630157A (en) * | 2019-10-24 | 2019-12-31 | 北京金诺迪迈幕墙装饰工程有限公司 | Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window |
-
2019
- 2019-10-24 CN CN201921798907.1U patent/CN211008303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630157A (en) * | 2019-10-24 | 2019-12-31 | 北京金诺迪迈幕墙装饰工程有限公司 | Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211008303U (en) | Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window | |
| CN105352249B (en) | A kind of vertical beam and the side by side combination refrigerator with the vertical beam | |
| CN210977190U (en) | Double-heat-preservation and heat-insulation reinforcing structure of passive inward-opening door and window | |
| US3466804A (en) | Door gasket for french door refrigerators | |
| CN110630157A (en) | Single heat preservation and heat insulation reinforcing structure of passive inward-opening door and window | |
| CN209398291U (en) | Sealing strip and the interior door for installing the sealing strip | |
| CN211173690U (en) | Passive form is opened door and window outward and is kept warm and insulate against heat reinforcing structure and passive form and open door and window outward | |
| CN206299312U (en) | One kind flushes insulation inwardly opened window high | |
| CN201486433U (en) | High airtightness push-pull door-window sealing strip | |
| CN211500467U (en) | Screen window integrated door and window section bar | |
| CN203534039U (en) | Refrigerator door decoration bar and refrigerator door | |
| CN111927253A (en) | Bridge cut-off aluminum system door and window | |
| CN205805363U (en) | Protection angle | |
| CN216197487U (en) | Window sash heat insulation strip | |
| CN216197486U (en) | Window frame heat insulating strip | |
| CN215804241U (en) | Clearance seal structure and aluminum alloy door and window | |
| CN215804100U (en) | Strip penetrating type vertical sliding window | |
| CN212958246U (en) | Bridge cut-off aluminum system door and window | |
| CN205577727U (en) | Increase chamber heat -preservation type door and window section bar | |
| CN216714197U (en) | Energy-saving aluminum alloy outward-opening window | |
| CN211397291U (en) | Heat-insulating energy-saving aluminum alloy inward-opening window | |
| CN208416302U (en) | A kind of high heat insulated side hang window | |
| CN216690810U (en) | Extremely simple sliding door | |
| CN218206353U (en) | Heat insulation door and window | |
| CN214997051U (en) | Glass fiber reinforced plastic co-extrusion rigid plastic casement window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Bu Qingxiang Inventor after: Liu Baochun Inventor after: Xia Shuangshan Inventor after: Xu Wenlong Inventor before: Bu Qingxiang |