CN207228945U - Internal layer is plug-type to vacuumize forms attemperator - Google Patents

Internal layer is plug-type to vacuumize forms attemperator Download PDF

Info

Publication number
CN207228945U
CN207228945U CN201721044410.1U CN201721044410U CN207228945U CN 207228945 U CN207228945 U CN 207228945U CN 201721044410 U CN201721044410 U CN 201721044410U CN 207228945 U CN207228945 U CN 207228945U
Authority
CN
China
Prior art keywords
forms
frame
window opening
insulation
internal layer
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
CN201721044410.1U
Other languages
Chinese (zh)
Inventor
张戈
梁凯丽
李雪涛
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.)
Shandong Iron and Steel Group Co Ltd SISG
Original Assignee
Shandong Iron and Steel Group Co Ltd SISG
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 Shandong Iron and Steel Group Co Ltd SISG filed Critical Shandong Iron and Steel Group Co Ltd SISG
Priority to CN201721044410.1U priority Critical patent/CN207228945U/en
Application granted granted Critical
Publication of CN207228945U publication Critical patent/CN207228945U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

The utility model provides that a kind of internal layer is plug-type to vacuumize forms attemperator, it includes:Frame slide, is arranged on the wall of window opening, and the length direction of frame slide is vertical with the perpendicular where window opening;Forms are kept the temperature, is installed in a manner of being arranged on frame slide of slip in window opening, is kept the temperature the peripheral side of forms and be bonded with the wall of window opening, is provided with insulation forms and vacuumizes hole;With scalable insulation curtain, the remote indoor side of frame slide is telescopically arranged in the horizontal direction;Wherein, when scalable insulation curtain is stretched out to open mode, cover insulation forms, so that the assembly for the insulation forms that scalable insulation curtain, frame slide and the close indoor side to frame slide pull out is circlewise, assembly combines to form an enclosure space with the wall of window opening, vacuumizes hole and is connected with enclosure space.The utility model Pass through above-mentioned technical proposal keeps the temperature indoor environment.

Description

Internal layer is plug-type to vacuumize forms attemperator
Technical field
The utility model belongs to building building materials technology field, further belongs to the indoor heat insulating technical field of building, Specifically, it the utility model is related to that a kind of internal layer is plug-type to vacuumize forms attemperator, the utility model is a kind of brand-new Light thermal insulating device, it is possible to increase the heat insulation effect in building.
Background technology
In present society, as population increases, expanding economy, required energy consumption is increasingly in daily life More, the consumption of high-energy source, causes energy shortage, while environmental pollution getting worse, to alleviate energy consumption, while reduces environment Pollution, ensures that living environment requirement keeps the temperature Indoor environment, it is necessary to design a kind of new attemperator.
The content of the invention
To solve the above-mentioned problems, a kind of internal layer of the utility model offer is plug-type vacuumizes forms attemperator, it is wrapped Include:Frame slide, is arranged on the wall of window opening, length direction and the perpendicular where the window opening of the frame slide Vertically;Forms are kept the temperature, are installed in a manner of being arranged on the frame slide of slip in the window opening, the insulation forms Peripheral side be bonded with the wall of the window opening, be provided with the insulation forms and vacuumize hole;With scalable insulation curtain, The remote indoor side of the frame slide is telescopically arranged in the horizontal direction;Wherein, the scalable insulation curtain is stretched When opening to open mode, insulation forms are covered, so that scalable insulation curtain, the frame slide and being placed in described The assembly for the insulation forms that the close indoor side of frame slide pulls out circlewise, the wall of the assembly and the window opening Face combines to form an enclosure space, and the hole that vacuumizes is connected with the enclosure space.
Forms attemperator is vacuumized internal layer as described above is plug-type, it is preferable that is set on the frame slide Frame sliding slot is equipped with, the protrusion being slidably matched with the frame sliding slot is provided with the peripheral side of the insulation forms.
Forms attemperator is vacuumized internal layer as described above is plug-type, it is preferable that the section of the window opening is in square Shape, the quantity of the frame slide is four, and four frame slides are arranged in correspondence with four angles of the window opening.
Forms attemperator is vacuumized internal layer as described above is plug-type, it is preferable that the direction of the frame sliding slot With the vertical central axis upright of the window opening.
Forms attemperator is vacuumized internal layer as described above is plug-type, it is preferable that the insulation forms include:Frame Frame, in a ring, the peripheral side of the frame are bonded with the wall of the window opening;And sliding window, movably set in the horizontal direction Put in the frame.
Forms attemperator is vacuumized internal layer as described above is plug-type, it is preferable that the hole that vacuumizes is arranged on On the frame.
Forms attemperator is vacuumized internal layer as described above is plug-type, it is preferable that the frame includes:Two water Flat frame and two vertical frames;Two horizontal frames be placed in a manner of being parallel to each other two vertical frames it Between, the vertical side of the vertical frame is arranged on the frame slide in a sliding manner.
Vacuumize forms attemperator internal layer as described above is plug-type, it is preferable that the internal layer is plug-type take out it is true Empty forms attemperator further includes:Forms sealing strip;Set in the peripheral side for the insulation forms being bonded with the wall of the window opening There is forms seal groove, be built-in with the sealing strip.
Vacuumize forms attemperator internal layer as described above is plug-type, it is preferable that the internal layer is plug-type take out it is true Empty forms attemperator further includes:Slide sealing strip;The side for the frame slide being bonded with the wall of the window opening is equipped with side Frame seal groove, is built-in with the slide sealing strip.
Forms attemperator is vacuumized internal layer as described above is plug-type, it is preferable that the scalable insulation curtain It is in turn connected to form by multiple thermal screen cloths, the thermal screen cloth is flexible heat-insulating curtain.
Analysis is understood, compared with prior art, is with beneficial effect the advantages of the utility model:
By the way that insulation forms are slidably arranged on frame slide, and it is provided with insulation forms and vacuumizes hole, with And in the horizontal direction flexible scalable insulation curtain is provided with the outside of frame slide so that in scalable insulation curtain and Vacuum belt is formed between insulation forms, indoor environment is kept the temperature.
Brief description of the drawings
Fig. 1 is the plug-type assembling signal for vacuumizing forms attemperator of a kind of internal layer that the utility model embodiment provides Figure;
Fig. 2 is a kind of master (rear) view for vertical frame that the utility model embodiment provides;
Fig. 3 is a kind of left view for vertical frame that the utility model embodiment provides;
Fig. 4 is a kind of top view for vertical frame that the utility model embodiment provides;
Fig. 5 is a kind of top view for horizontal frame that the utility model embodiment provides;
Fig. 6 is the schematic longitudinal section of Fig. 5;
Fig. 7 is a kind of top view for frame slide that the utility model embodiment provides;
Fig. 8 is the schematic longitudinal section of Fig. 7;
Fig. 9 is a kind of top view for scalable insulation curtain that the utility model embodiment provides.
Wherein, symbol description is as follows in figure:
1 vertical frame, 11 protrusions, 12 forms seal grooves, 13 sliding window seal grooves, 2 horizontal frames, 21 forms seal grooves, 22 push-and-pull sliding slots, 3 sliding windows, 4 frame slides, 41 bezel seal grooves, 42 frame sliding slots, 5 vacuumize hole, 6 scalable thermal screens Cloth, 61 thermal screen cloths, the vertical central axis of N window opening.
Embodiment
The utility model is described in further details with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~Fig. 9, the internal layer of the preferred embodiment in the utility model is plug-type, and to vacuumize forms attemperator main Including:Frame slide 4, insulation forms and scalable insulation curtain 6.
Specifically, frame slide 4 is provided with the wall of window opening, where the length direction and window opening of frame slide 4 Perpendicular (perpendicular herein refers to the plane where front view as shown in Figure 1) is vertical.In Fig. 1, frame is slided The length direction of rail 4 is that the window opening is the hole for the ventilation thang-kng opened on wall, for installing window perpendicular to the direction of paper Family, is generally rectangular in shape, such as rectangle, square.Insulation forms are installed in a manner of being slidably arranged on frame slide 4 In window opening, used as window.Since insulation forms are slidably set relative to frame slide 4, insulation forms have two A state:Original state and state is pulled out, under pull-out state, the length for keeping the temperature the part overlapped on forms with frame slide is less than Under original state, the part overlapped on forms with frame slide is kept the temperature, i.e., the insulation forms under pull-out state are relative to initial Insulation forms under state are close to room.The peripheral side for keeping the temperature forms (keeps the temperature the upper horizontal side of forms, a left side is erected in such as Fig. 1 Straight sided, lower horizontal side and right vertical side) it is bonded with the wall of window opening, which is oriented axis (this with window The axis at place refers to perpendicular to the direction of the perpendicular where window opening or as in Fig. 1, perpendicular to the direction of paper) side that is formed Face.It is provided with insulation forms and vacuumizes hole 5.Scalable insulation curtain 6 is located at the outside of frame slide 4 (i.e. away from indoor Side), and stretched out in the horizontal direction (such as direction in Fig. 1 from left to right or direction from right to left) in open shape During state, insulation forms are covered, so that scalable insulation curtain 6, frame slide 4 and being placed in the inner side of frame slide 4 and (leaning on Nearly indoor side) circlewise (i.e. scalable thermal screen cloth 6 is parallel with sliding window 3 to be set for the assembly of insulation forms that pulls out Put), the assembly and the upper wall surface of window opening and the lower wall surface of the window opening below the assembly above the assembly Combination forms an enclosure space, is connected due to vacuumizing hole 5 with enclosure space, can be to enclosure space by vacuumizing hole 5 It is evacuated, reaches vacuum state, so can forms vacuum belt between scalable insulation curtain 6 and insulation forms, Beneficial to insulation.When scalable insulation curtain 6 is in contraction state, the side of the vertical central axis N of insulation forms can be located at, Scalable insulation curtain 6 horizontally stretch out to open mode to cover whole insulation forms by left or direction to the right at this time; May be located on insulation forms vertical central axis N place, at this time it is scalable insulation curtain 6 one end horizontally a left side direction Stretch out to open mode to cover a half part of insulation forms, the other end of scalable insulation curtain 6 is horizontally right Direction is stretched out to open mode to cover another half part of insulation forms, so far covers whole insulation forms, this implementation Example is to this without limiting.In order not to influence the original lighting conditions of Indoor environment, scalable insulation curtain 6 and insulation forms Material be light-transmitting materials.It is original window in the plug-type outside for vacuumizing forms attemperator of the internal layer in practical application Family, i.e. the utility model are installed on the inside of original window.It is scalable insulation curtain 6 mainly by multiple thermal screen cloths 61 successively Connection is formed, and thermal screen cloth 61 is flexible heat-insulating curtain, and the scalable insulation curtain 6 in open mode can pass through card slot Or pin hole is fixed.
The utility model is provided with by the way that insulation forms are slidably arranged on frame slide 4 on insulation forms Hole 5 is vacuumized, and is provided with the outside of frame slide 4 scalable insulation curtain 6 flexible in the horizontal direction so that can Vacuum belt is formed between flexible insulation curtain 6 and insulation forms, indoor environment is kept the temperature.
In order to be fixedly supported insulation forms, frame sliding slot 42 is provided with frame slide 4, in the circumferential direction of insulation forms The protrusion 11 being provided with side in embedded sliding slot, protrusion 11 are slided in sliding slot, realize cunning of the insulation forms along frame slide 4 It is dynamic.
Operated since insulation forms can do push-and-pull relative to window opening, in order to further be fixedly supported insulation forms, side The quantity of frame slide 4 is multiple, and multiple frame slides 4 are divided to for two groups, i.e. left side slide rail group and right side slide rail group, the side in two groups Frame slide 4 is symmetrically disposed on the both sides of the vertical central axis N of window opening correspondingly.Preferably, the quantity of frame slide 4 is Four, since window opening is generally rectangular or square, four frame slides 4 are correspondingly arranged in four angles of window opening, so make Obtain frame slide 4 has two with the end face that the wall of window opening is bonded, and can increase support force of the frame slide 4 to insulation forms Degree, moreover it is possible to increase the support degree to window opening.Illustrated by taking the frame slide 4 in the upper left corner in Fig. 1 as an example, which slides The upper surface of rail 4 is bonded with the upper wall surface of window opening, and the wall of window opening can be supported, the left wall face paste of left side and window opening Close.
The direction of frame sliding slot 42 is vertical with the vertical central axis N of window opening, i.e., frame sliding slot 42 is arranged at frame slide 4 The side parallel with the vertical central axis N of window opening on, in Fig. 1, positioned at the right flank of the frame slide 4 in the upper left corner, position In the left surface of the frame slide 4 in the upper right corner, the so push-and-pull easy to insulation forms.
Insulation forms include frame annular in shape and are installed on the sliding window 3 that frame is interior and moves horizontally, the circumferential direction of frame Side is bonded with the wall of window opening.By carrying out horizontal push-and-pull operation to sliding window 3, insulation forms are opened, form ventilation air duct, It can realize indoor ventilation, can not so influence the original ventilation condition of Indoor environment.Vacuumize hole 5 and be arranged on frame On, it can so reduce setting difficulty.
Frame includes two horizontal frames 2 and two vertical frames 1.Two horizontal frames are placed in a manner of being parallel to each other Between two vertical frames, the vertical side of vertical frame is arranged on frame slide in a sliding manner.Specifically, two water Flat frame 2 divides to be divided for left vertical frame and right vertical frame, a left side for upper horizontal frame and lower horizontal frame, two vertical frames 1 Vertical frame, lower horizontal frame, right vertical frame and upper horizontal frame are sequentially connected from head to tail to form cricoid frame, are so easy to The installation of frame.In the preferred embodiment of the utility model, the quantity of sliding window 3 is two, when push-and-pull operation makes two to push away When drawing window 3 has the part overlapped, insulation forms are in open mode, realize indoor ventilation.The two end portions of horizontal frame 2 The one side of the one end of vertical frame 1 is not connected with, and the another side of the one end of vertical frame 1 is (with the vertical frame 1 The one side of one end is opposite) protrusion 11 is provided with, with left vertical frame, right vertical frame and upper horizontal frame in Fig. 1 Exemplified by illustrate, the left part of upper horizontal frame is connected with the right flank of the upper end of left vertical frame, upper horizontal frame Right part is connected with the left surface of the upper end of right vertical frame, and the left surface of the upper end of left vertical frame is provided with protrusion 11, the right flank of the upper end of right vertical frame is provided with protrusion 11.
Situation about leaking air between forms and the wall of window opening and the slip beneficial to insulation forms are kept the temperature in order to prevent, The utility model further includes forms sealing strip, and the peripheral side for the insulation forms being bonded with the wall of window opening is equipped with forms seal groove 21, it is built-in with forms sealing strip with to being sealed between insulation forms and the wall of window opening.The utility model further includes cunning Rail sealing strip, the side for the frame slide 4 being bonded with the wall of window opening are equipped with bezel seal groove 41, it is built-in with slide sealing strip With to being sealed between frame slide 4 and the wall of window opening.
The plug-type operating procedure for vacuumizing forms attemperator of internal layer of the utility model is illustrated below:
Step 1, according to window size, makes insulation forms, wherein, insulation forms are included by left vertical frame, lower level Frame, right vertical frame and the push-and-pull that connection surrounds the frame of annular and is installed within frame from beginning to end successively of upper horizontal frame Window.Keep the temperature four sides (upper horizontal side, lower horizontal side, left vertical side and the right vertical side of such as Fig. 1 middle frames) of forms Be designed with forms seal groove (21,12), for installing forms sealing strip, make the wall of insulation forms and window opening (or windowsill) into Row fits closely, and plays sealing function.Four corners (or angle) of insulation forms are designed with frame slide 4, frame slide 4 Four edges of windowsill are fixed on, the lateral layout contacted with the wall of windowsill has bezel seal groove 41, for installation frame Sealing strip is bonded with four sides of windowsill, plays sealing function.
Step 2, sliding window 3 are moved along the push-and-pull sliding slot 22 of upper and lower horizontal frame, can be in the push-and-pull of left and right vertical frame Window seal groove 13 sealing fix, for keep the temperature (when sliding window 3 be in closure state) or divulge information (sliding window 3 is in open mode When), be designed with frame sliding slot 42 in frame slide 4, the peripheral side of frame be designed be slidably matched with frame sliding slot 42 it is convex 11 are played, the surface (or frame sliding surface) of protrusion 11 is assembled with the cell wall (or 42 working face of frame sliding slot) of frame sliding slot 42 Sealing.
Step 3, scalable insulation curtain 6 during work, pulled open to insulation forms are covered, make push-and-pull in the horizontal direction Window 3 is in closure state, will keep the temperature forms and is extracted out along the frame sliding slot of frame slide 4, then scalable insulation curtain 6 and heat insulation window The wall of body and window opening forms a confined space, at hole 5 that this is close using vacuumizing of being set from frame of vaccum-pumping equipment Space vacuum pumping is closed, completely cuts off cross-ventilation, plays insulation effect.
Analysis is understood, compared with prior art, is with beneficial effect the advantages of the utility model:
By the way that insulation forms are slidably arranged on frame slide 4, and it is provided with insulation forms and vacuumizes hole 5, And scalable insulation curtain 6 flexible in the horizontal direction is provided with the outside of frame slide 4 so that in scalable thermal screen Vacuum space is formed between cloth 6 and insulation forms, indoor environment is kept the temperature.So so that the utility model has design letter It is single, the advantages of being convenient to process and mount, while also have the characteristics that sealing thermal insulation effect is good and use scope is wide.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature Scheme is applied to realize.Therefore, embodiment disclosed above, all things considered, is all merely illustrative, and is not only 's.It is all in the scope of the utility model or in the change being equal in the scope of the utility model by the utility model bag Contain.

Claims (10)

1. a kind of internal layer is plug-type to vacuumize forms attemperator, it is characterised in that the internal layer is plug-type to vacuumize forms guarantor Warm device includes:
Frame slide, is arranged on the wall of window opening, and the length direction of the frame slide is put down with vertical where the window opening Face is vertical;
Forms are kept the temperature, are installed in a manner of being arranged on the frame slide of slip in the window opening, the insulation forms Peripheral side be bonded with the wall of the window opening, be provided with the insulation forms and vacuumize hole;With
Scalable insulation curtain, is telescopically arranged at the remote indoor side of the frame slide in the horizontal direction;
Wherein, when the scalable insulation curtain is stretched out to open mode, insulation forms are covered, so that the scalable guarantor The assembly for the insulation forms that warm curtain, the frame slide are pulled out with the close indoor side for being placed in the frame slide into Ring-type, the assembly combine to form an enclosure space with the wall of the window opening, described to vacuumize hole and the closing sky Between connect.
2. internal layer according to claim 1 is plug-type to vacuumize forms attemperator, it is characterised in that is slided in the frame Frame sliding slot is provided with rail, it is described insulation forms peripheral side on be provided be slidably matched with the frame sliding slot it is convex Rise.
3. internal layer according to claim 1 or 2 is plug-type to vacuumize forms attemperator, it is characterised in that the window opening Rectangular in cross-section, the quantity of the frame slide is four, and four frame slides are arranged in correspondence with the window opening Four angles.
4. internal layer according to claim 3 is plug-type to vacuumize forms attemperator, it is characterised in that the frame sliding slot It is arranged on the side with the vertical centerline axis parallel of the window opening of the frame slide.
5. internal layer according to claim 1 is plug-type to vacuumize forms attemperator, it is characterised in that the insulation forms Including:
Frame, in a ring, the peripheral side of the frame are bonded with the wall of the window opening;With
Sliding window, is movably arranged in the frame in the horizontal direction.
6. internal layer according to claim 5 is plug-type to vacuumize forms attemperator, it is characterised in that described to vacuumize hole Set on said frame.
7. internal layer according to claim 5 is plug-type to vacuumize forms attemperator, it is characterised in that the frame bag Include:Two horizontal frames and two vertical frames;
Two horizontal frames are placed in a manner of being parallel to each other between two vertical frames, and the vertical frame erects Straight sided is arranged on the frame slide in a sliding manner.
8. internal layer according to claim 1 is plug-type to vacuumize forms attemperator, it is characterised in that the internal layer push-and-pull Formula vacuumizes forms attemperator and further includes:Forms sealing strip;
The peripheral side for the insulation forms being bonded with the wall of the window opening is equipped with forms seal groove, is built-in with the sealing Bar.
9. internal layer according to claim 8 is plug-type to vacuumize forms attemperator, it is characterised in that the internal layer push-and-pull Formula vacuumizes forms attemperator and further includes:Slide sealing strip;
The side for the frame slide being bonded with the wall of the window opening is equipped with bezel seal groove, is built-in with the slide sealing Bar.
10. internal layer according to claim 1 is plug-type to vacuumize forms attemperator, it is characterised in that described scalable Insulation curtain is in turn connected to form by multiple thermal screen cloths, and the thermal screen cloth is flexible heat-insulating curtain.
CN201721044410.1U 2017-08-21 2017-08-21 Internal layer is plug-type to vacuumize forms attemperator Active CN207228945U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721044410.1U CN207228945U (en) 2017-08-21 2017-08-21 Internal layer is plug-type to vacuumize forms attemperator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721044410.1U CN207228945U (en) 2017-08-21 2017-08-21 Internal layer is plug-type to vacuumize forms attemperator

Publications (1)

Publication Number Publication Date
CN207228945U true CN207228945U (en) 2018-04-13

Family

ID=61857476

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721044410.1U Active CN207228945U (en) 2017-08-21 2017-08-21 Internal layer is plug-type to vacuumize forms attemperator

Country Status (1)

Country Link
CN (1) CN207228945U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107288514A (en) * 2017-08-21 2017-10-24 山东钢铁股份有限公司 Internal layer is plug-type to vacuumize forms attemperator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107288514A (en) * 2017-08-21 2017-10-24 山东钢铁股份有限公司 Internal layer is plug-type to vacuumize forms attemperator
CN107288514B (en) * 2017-08-21 2023-06-27 山东钢铁股份有限公司 Inner layer push-pull vacuum-pumping window heat preservation device

Similar Documents

Publication Publication Date Title
CN207228945U (en) Internal layer is plug-type to vacuumize forms attemperator
CN203838988U (en) Outdoor display screen good in heat dissipation
CN201155269Y (en) High-sealing sliding window with self concealed mesh window
CN108071322A (en) Energy-saving bay window
CN206513286U (en) A kind of four frame sound-insulating and heat-insulating curtain
CN205936166U (en) Door and window of aluminum alloy system with plastics PVC detachable sun shading and heat insulation heat -preserving jacket of U
KR101398112B1 (en) Close up apparatus of window frame
CN107288514A (en) Internal layer is plug-type to vacuumize forms attemperator
CN206571344U (en) Hand-rail type swinging-out casement window with screen window
CN104747040A (en) Micro ventilator suitable for north cold area
CN202119232U (en) Vacuum drying box
CN209457703U (en) Flat-open type swinging-out casement window
CN203626555U (en) Micro-ventilator suitable for northern cold regions of China
CN206874156U (en) A kind of arc sliding window
CN206785217U (en) External-open timber window
CN207934707U (en) Heat-insulating bridge-cut-off casement window
CN205955600U (en) Sliding door seal structure
CN218407100U (en) Light-transmitting metal door and window with sealing and heat-insulating functions
CN207340381U (en) A kind of energy conservation and environmental protection cold passage cabinet
CN218493494U (en) Cabinet opening sealing structure and program cooling instrument
CN107288512A (en) The transparent inflation window frame attemperator of open-type
CN215056847U (en) Sealed effectual operating room soundproof door
CN210918671U (en) Window frame connecting structure with small visible surface
CN219419925U (en) Outdoor rainproof heat dissipation electric energy metering box
CN107869300A (en) A kind of special sealing joint strip of sliding door and window

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant