CN102155137A - Ecological single leaf door - Google Patents
Ecological single leaf door Download PDFInfo
- Publication number
- CN102155137A CN102155137A CN 201110066994 CN201110066994A CN102155137A CN 102155137 A CN102155137 A CN 102155137A CN 201110066994 CN201110066994 CN 201110066994 CN 201110066994 A CN201110066994 A CN 201110066994A CN 102155137 A CN102155137 A CN 102155137A
- Authority
- CN
- China
- Prior art keywords
- door leaf
- wooden frame
- aluminium
- door
- single page
- 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.)
- Granted
Links
Images
Landscapes
- Securing Of Glass Panes Or The Like (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention relates to an ecological single leaf door, which comprises a door frame and a door leaf (1), wherein the door frame comprises a blocking surface for blocking the door leaf (1); the door leaf (1) is provided with six faces, i.e., an inner side face, an outer side face, an upper side face, a lower side face, a left side face and a right side face; the inner side face is a side face where the door leaf (1) faces the opening direction; the upper side face, the left side face and the right side face of the door leaf are provided with flanges (11) at positions close to the inner side face; and the flanges are matched with the blocking surface of the door frame in a blocking way when the door is closed. The flanges shield an aperture between the door leaf and the door frame, so that the airtightness of the door is enhanced.
Description
Technical field
The present invention relates to door, be specifically related to a kind of ecological single page door.
Background technology
The modern is more and more higher to the requirement of the sound insulation of the door of room or office space.But, when the size of design gate, consider the factor that door leaf expands with heat and contract with cold, usually need between door leaf and doorframe, leave certain clearance.After long-term the use, distortion to a certain degree also can appear in door leaf, makes the gap of reserving to strengthen.The sound insulation value of the door that this gap makes is relatively poor, and the ability of blocks dust is also relatively poor.
Summary of the invention
The purpose of this invention is to provide a kind of ecological single page door, to solve existing single page door sound insulation, the relatively poor problem of the grey ability of retaining.
According to ecological single page door of the present invention, comprise door leaf and doorframe, this doorframe has the stop surface that is used for the backstop door leaf, six faces of door leaf are respectively medial surface, lateral surface, upper side, downside, left surface and right flank, wherein medial surface is that door leaf is towards the side of opening direction, the upper side of door leaf, left surface and right flank have flange at the position near medial surface, and flange is cooperating with described doorframe stop surface backstop at closing time.
Because the existence of this flange, close behind the door flange can backstop on the doorframe surface, improved the adaptation between door leaf and the doorframe, thus improve the single page door sound insulation, keep off grey ability.
Further, on the doorframe stop surface, be provided with weather strip.The downside of door leaf also can be provided with flange, and the part outside the flange of downside is provided with sealing dust-break bar brush.The sealing bar fills up the slit between door leaf downside and the ground substantially.
As the further improvement to the respective embodiments described above, door leaf is from comprising successively to the center all around: wooden frame, aluminium skeleton and aluminium grid.Aluminium skeleton outer peripheral edges are surrounded by described wooden frame, have rectangular cross section, are fixed together with wooden frame.Aluminium grid outer peripheral edges are surrounded by this aluminium skeleton.This door leaf also comprises wainscot and outer panels, and wherein wainscot encases wooden frame, aluminium skeleton and aluminium grid from the medial surface of door leaf, and outer panels encases wooden frame, aluminium skeleton and aluminium grid from the lateral surface of door leaf.By with aluminium skeleton and wooden frame binding, can limit the distortion of wooden frame to a certain extent.And adopt the aluminium grid to alleviate the weight of door leaf on the one hand greatly, also the degree that reduces the door leaf warpage greatly and expand with heat and contract with cold than full-wood has improved intensity and rigidity.
As further improvement, the thickness of aluminium grid is slightly larger than the thickness of wooden frame and aluminium skeleton, makes the medial and lateral of aluminium grid embed inside and outside panel, thereby has strengthened the combine fastness of panel with the aluminium grid.
Further, the outer peripheral face of wooden frame also is provided with the aluminium bound edge, and the aluminium bound edge is seen from the cross section and comprised: rectangular portion is used to be pressed against the part of wooden frame outer peripheral face except that flange; Flange inclusion portion extends from the end of rectangular portion near flange, has the shape and size corresponding to flange.This aluminium bound edge has further limited the deformation of wooden frame, has guaranteed the regular of door leaf four sides.
Further, wooden frame is with respect to the periphery indentation preset distance of outer panels, and the rectangular portion of aluminium bound edge is contained in the depth of wooden frame with respect to the periphery of outer panels; The section of aluminium bound edge also comprises panel inclusion portion, and it extends from the end of rectangular portion near outer panels, and encases the outer peripheral face of outer panels.
Door leaf can also comprise finish coat, it encases described upper side, downside, left surface and the right flank of door leaf, the rectangular portion of aluminium bound edge is provided with buckling parts, be used for fastening this finish coat of installation, and the size of this rectangular portion and panel inclusion portion, make that the part of door leaf side face except that described flange presents flat surfaces after fastening this finish coat.
Further, be provided with at least one transverse concave groove in the inboard or the outside of the wooden frame of the length direction at least of door leaf, the degree of depth of this groove is at least 1/2nd of wooden frame thickness.Because the existence of this groove, when the wooden frame generation warpage of door leaf length direction, Bang Ding aluminium skeleton can be easier to correct this warpage with it.Further, be respectively equipped with a plurality of described transverse concave grooves, and the transverse concave groove outside being positioned at inboard transverse concave groove and being positioned at staggers mutually in the inboard and the outside of wooden frame.The benefit of this set is that the groove of two opposing faces can be eliminated the warpage of doorframe fully.
In sum, ecological single page door of the present invention makes the slit crested between single page every page or leaf and the doorframe by flange design, has improved the sealing performance of door.In other respects, compound by with wooden frame, aluminium skeleton and aluminium grid both guaranteed the impact strength of door leaf, saved timber again and alleviated door leaf weight and the deformation degree, reached effect ecological, environmental protection.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.
Fig. 1 is the vertical view that ecological single page every page or leaf of first embodiment of the invention is shown;
Fig. 2 is the vertical view behind the doorframe before ecological single page every page or leaf according to the present invention is installed in;
Fig. 3 is the partial side view of ecological single page every page or leaf of second embodiment of the invention;
Fig. 4 is the schematic diagram of internal construction that ecological single page every page or leaf of third embodiment of the invention is shown;
Fig. 5 is the schematic diagram of laterally analysing and observe that ecological single page every page or leaf of fourth embodiment of the invention is shown;
Fig. 6 is the partial sectional view that ecological single page every page or leaf of fifth embodiment of the invention and doorframe, door pocket matching relationship are shown; And
Fig. 7 is the schematic cross-sectional view that is used for the aluminium bound edge of fifth embodiment of the invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In this article, term " inboard " is meant that door leaf 1 is towards the side of opening direction.
Fig. 1 is the vertical view that ecological single page every page or leaf of first embodiment of the invention is shown.As shown in Figure 1, door leaf 1 is installed on the doorframe (not shown) by hinge 2.Door leaf 1 is being provided with flange 11 near medial surface.Though the flange 11 of and arranged on left and right sides only is shown among Fig. 1, also comprises flange at upper side.Fig. 2 is the vertical view behind the doorframe before ecological single page every page or leaf is installed in.Door shown in Fig. 2 also is applicable to other following embodiment with the position relation of wall.Flange 11 is at closing time by the stop surface of doorframe institute backstop.Door leaf in the present embodiment is solid timber.
Fig. 3 is the partial side view of ecological single page every page or leaf of second embodiment of the invention, wherein shows the door leaf downside.As shown in the figure, the downside of door leaf 1 also is provided with flange 11, and the part outside the flange 11 of downside is provided with sealing dust-break bar brush 5 ', and it is the velvet-like dust-break bar of plate normally, is used to fill the slit between door leaf downside and the ground.
Fig. 4 is the schematic diagram of internal construction that the ecological single page door of third embodiment of the invention is shown.Door leaf 1 from around comprise successively to the center: wooden frame 13, the aluminium skeleton 15 that is fixed together with wooden frame 13, the aluminium grid 16 that is surrounded by aluminium skeleton 15 all around with rectangular cross section.The inboard of door leaf is provided with wainscot 18 (referring to Fig. 5), and this wainscot 18 encases wooden frame 13, aluminium skeleton 15 and aluminium grid 16 from the medial surface of door leaf; The outside at door leaf 1 then is provided with outer panels 18 ', and this outer panels 18 ' encases wooden frame 13, aluminium skeleton 15 and aluminium grid 16 from the lateral surface of door leaf.As preferred setting, the thickness of aluminium grid 16 is slightly larger than the thickness of wooden frame 13 and aluminium skeleton 15, makes the medial and lateral of aluminium grid 16 embed inside and outside panel 18,18 ' respectively under pressurization (be used for inside and outside panel is pressed in wooden frame 13, aluminium skeleton 15 and aluminium grid 16 both sides).15 consistency of thickness of wooden frame 13 and aluminium skeleton, the surface is concordant.When making door leaf 1, earlier at inside and outside panel 18, a relevant surfaces brushing cementing agent of 18 ', and bond them on door leaf 1 skeleton that wooden frame 13, aluminium skeleton 15 and aluminium grid 16 surround, with dull and stereotyped forcing press it is exerted pressure again, make slightly thick aluminium grid 16 can insert in the panel 18,18 '.Like this, even in use panel produces the power that resiles, but aluminium grid 16 also can be held whole front panel under the effect of cementing agent, the distortion degumming problem of having avoided door leaf 1 in use to occur.
Fig. 5 is the schematic diagram of laterally analysing and observe that the ecological single page door of fourth embodiment of the invention is shown.As shown in Figure 5, door leaf 1 from around comprise aluminium bound edge 12, wooden frame 13, aluminium skeleton 15 and aluminium grid 16 successively to the center.The medial surface of door leaf is respectively equipped with wainscot 18 and the outer panels 18 ' identical with the 3rd embodiment with lateral surface.Fig. 7 is the schematic cross-sectional view of this aluminium bound edge.From aluminium bound edge 12 cross sections, this aluminium bound edge 12 comprises rectangular portion 121 and flange inclusion portion 122, wherein rectangular portion 121 is used to be pressed against the part except that flange 11 of wooden frame 15 outer peripheral faces, flange inclusion portion 122 extends from the end of rectangular portion 121 near flange, has the shape and size corresponding to flange 11.Its flange inclusion portion 122 can encase the periphery of flange 11 fully, because whole bound edge 12 all is an aluminum alloy material, thereby can play the effect of protection wooden frame 13.Bound edge 12 is connected with wooden frame 13 by second screw that penetrates rectangular portion 121 simultaneously, and aluminium skeleton 15 is fixed on the wooden frame 13 by first screw 19, this connected mode makes that each parts combination of door leaf is firm, have stronger anti-impact force and ability of anti-deformation, effectively prevent the door body deformability that causes because of wooden frame.
Fig. 6 illustrates the partial sectional view of single page every page or leaf of fifth embodiment of the invention and doorframe, door pocket matching relationship.Door leaf 1, hinge 2, doorframe 3 and door pocket 4 have been shown among Fig. 6.In the present embodiment, the periphery at door leaf 1 is provided with finish coat 17.Simultaneously with reference to figure 7, can be provided with buckling parts 124 towards a side of finish coat 17 at bound edge 12, and finish coat 17 can be provided with bulge-structure in the side towards the aluminium bound edge, and this bulge-structure is by being engaged in the buckling parts 124 and finish coat 17 is installed on the aluminium bound edge 12.By this way, the installation of finish coat 17 can become simply, efficient.
Referring to Fig. 6 and Fig. 7, in order to make the door leaf side face behind the installation finish coat 17 keep smooth, attractive in appearance, wooden frame 13 is with respect to outer panels 18 ' (see figure 4) indentation preset distance, and the rectangular portion 121 of aluminium bound edge is contained in the depth of wooden frame 13 with respect to outer panels 18 '; Aluminium bound edge 12 also comprises panel inclusion portion 123, and it extends from the end of rectangular portion 121 near outer panels 18 ', and encases the outer peripheral face of outer panels 18 '.The size of rectangular portion 121 and panel inclusion portion 123 should make that the part of door leaf side face except that flange 11 presents smooth surface after fastening finish coat 17.Also show the weather strip 5 on the stop surface that is located at doorframe 3 among Fig. 6, weather strip 5 had both improved sealing, can reduce the sound of closing the door again.
In not shown the 6th embodiment that goes out, the door leaf agent structure is identical with the 4th embodiment or the 5th embodiment, and difference is that the medial surface of wooden frame 13 or lateral surface are provided with at least one transverse concave groove, the inboard of the corresponding door leaf 1 of this medial surface, the outside of the corresponding door leaf 1 of this lateral surface.The purpose that this transverse concave groove is set is: when deformation takes place wooden frame 13, because the existence of transverse concave groove can be alleviated wooden frame 13 with respect to the warpage on the door leaf in-plane.Because this transverse concave groove is darker, surpass 1/2nd of wooden frame thickness, the part that is penetrated by groove is not thinner, should have certain flexibility in thin position, makes the aluminium skeleton 15 of wooden frame binding and/or the deformation that aluminium bound edge 12 can be corrected wooden frame effectively.As optimum design, be respectively equipped with a plurality of transverse concave grooves at the medial surface and the lateral surface of wooden frame 13, and the transverse concave groove that is positioned at medial surface staggers mutually with the transverse concave groove that is positioned at outer door.Can eliminate the warpage of wooden frame well like this, thereby prevent the door leaf distortion.
Fixed form in the door leaf between wooden frame 13, aluminium bound edge 12 and the aluminium skeleton 15 is a screw or gluing, preferably connects with screw and fixes with the bonding mode that combines.
When the door leaf among the present invention adopts above-mentioned composite construction, preferably four jiaos of door leafs with angle sign indicating number (drawing sign indicating number) locking.This angle sign indicating number is used in the prior art.Though above-mentioned two first type surfaces with medial surface and lateral surface differentiation door leaf,, it is put upside down use does not still influence enforcement of the present invention.The ecological door of single page in the foregoing description is mounted in the inboard of door opening, promptly towards the side in room.But the ecological door of this single page also can be installed in the outside of door opening.In this case, flanged structure of the present invention also has tamper-resistant function, has improved safety.
Though above outer peripheral edges are only mentioned aluminium skeleton and aluminium bound edge, obviously, the metal or alloy material of other materials also can be used for the present invention.These all can be considered the replacement that is equal to of aluminum.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. ecological single page door comprises:
Doorframe, have the stop surface that is used for backstop door leaf (1) and
Door leaf (1), its six faces are respectively medial surface, lateral surface, upper side, downside, left surface and right flank, wherein said medial surface be door leaf (1) towards the side of opening direction,
It is characterized in that the upper side of described door leaf, left surface and right flank have flange (11) at the position near described medial surface, described flange is cooperating with described stop surface backstop at closing time.
2. ecological single page door according to claim 1 is characterized in that described stop surface is provided with weather strip (5).
3. ecological single page door according to claim 1 and 2, it is characterized in that, the downside of described door leaf (1) also is provided with flange (11) at the position near described medial surface, and the part except that described flange (11) is provided with sealing dust-break bar brush (5 ') on the described downside.
4. ecological single page door according to claim 1 is characterized in that, described door leaf (1) comprises from outer peripheral edges to the center successively:
Wooden frame (13);
Aluminium skeleton (15), outer peripheral edges are surrounded by described wooden frame (13), have rectangular cross section, and are fixed together with described wooden frame; And
Aluminium grid (16), outer peripheral edges are surrounded by described aluminium skeleton (15); And
Described door leaf (1) also comprises:
Wainscot (18) encases described wooden frame (13), aluminium skeleton (15) and aluminium grid (16) from the described medial surface of door leaf,
Outer panels (18 ') encases described wooden frame (13), aluminium skeleton (15) and aluminium grid (16) from described lateral surface one side of door leaf.
5. ecological single page door according to claim 4, it is characterized in that, the thickness of described aluminium grid (16) makes the medial and lateral of described aluminium grid (16) embed described inside and outside panel (18,18 ') respectively greater than the thickness of described wooden frame (13) and aluminium skeleton (15).
6. ecological single page door according to claim 4 is characterized in that, also is provided with aluminium bound edge (12) at the outer peripheral face of described wooden frame (13), and described aluminium bound edge (12) is seen from the cross section and comprised:
Rectangular portion (121) is used to be pressed against the part except that described flange (11) on described wooden frame (13) outer peripheral face;
Flange inclusion portion (122) extends from the end of described rectangular portion (121) near described flange, has the shape and size corresponding to described flange (11).
7. ecological single page door according to claim 6 is characterized in that,
Described wooden frame (13) forms the indentation depth with respect to the periphery indentation preset distance of described outer panels (18 '), and the rectangular portion (121) of described aluminium bound edge (12) is contained in the indentation depth of described wooden frame (13) with respect to outer panels (18 ') periphery;
The section of described aluminium bound edge (12) also comprises panel inclusion portion (123), and it extends from the end of described rectangular portion (121) near described outer panels (18 '), is used to encase the outer peripheral face of described outer panels (18 ').
8. ecological single page door according to claim 7, it is characterized in that, described door leaf also comprises finish coat (17), it encases described upper side, downside, left surface and the right flank of door leaf, the rectangular portion (121) of described aluminium bound edge (12) is provided with buckling parts (124), be used for fastening installation described finish coat (17), and the dimensional configurations of described rectangular portion (121) and described panel inclusion portion (123) is for making that the part of the side face of described door leaf (1) except that described flange (11) presents flat surfaces after fastening described finish coat (17).
9. ecological single page door according to claim 1 is characterized in that, four angles of described door leaf (1) are fixed with the angle sign indicating number.
10. single page door according to claim 4, it is characterized in that, the inboard or the outside at described wooden frame (13) are provided with at least one transverse concave groove, the described medial surface of the corresponding door leaf in described inboard, the described lateral surface of the corresponding door leaf in the described outside, the degree of depth of this groove is at least 1/2nd of described wooden frame thickness.
11. ecological single page door according to claim 10 is characterized in that, is respectively equipped with a plurality of described transverse concave grooves in the inboard and the outside of described wooden frame (13), and the transverse concave groove outside being positioned at inboard transverse concave groove and being positioned at staggers mutually.
12., it is characterized in that described wooden frame and described aluminium skeleton are fixed together by many screws (19) according to each described ecological single page door of claim 5 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110066994 CN102155137B (en) | 2011-03-18 | 2011-03-18 | Ecological single leaf door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110066994 CN102155137B (en) | 2011-03-18 | 2011-03-18 | Ecological single leaf door |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100753083A Division CN102691460A (en) | 2011-03-18 | 2011-03-18 | Ecological single-page door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102155137A true CN102155137A (en) | 2011-08-17 |
| CN102155137B CN102155137B (en) | 2013-03-27 |
Family
ID=44436784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110066994 Expired - Fee Related CN102155137B (en) | 2011-03-18 | 2011-03-18 | Ecological single leaf door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102155137B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587825A (en) * | 2017-10-12 | 2018-01-16 | 广州市第四装修有限公司 | Dinner party hall door |
| CN110410500A (en) * | 2019-07-19 | 2019-11-05 | 安徽名扬刷业有限公司 | A kind of sealing dust-break brush device and its application method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630420A (en) * | 1985-05-13 | 1986-12-23 | Rolscreen Company | Door |
| CN2091942U (en) * | 1991-05-22 | 1992-01-01 | 黄芝廷 | Wooden fire-extinguishing door |
| KR20010068855A (en) * | 2000-01-10 | 2001-07-23 | 이채득 | Constructing method for a framework of door |
| CN2591198Y (en) * | 2002-12-31 | 2003-12-10 | 郝长岭 | Compound antitheft & fireproof door |
| CN201209391Y (en) * | 2008-03-19 | 2009-03-18 | 陈汝华 | Woody hollow fire-proof door |
| CN202012282U (en) * | 2011-03-18 | 2011-10-19 | 湖南鑫美格新型装饰材料有限公司 | Ecological single-leaf door |
-
2011
- 2011-03-18 CN CN 201110066994 patent/CN102155137B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630420A (en) * | 1985-05-13 | 1986-12-23 | Rolscreen Company | Door |
| CN2091942U (en) * | 1991-05-22 | 1992-01-01 | 黄芝廷 | Wooden fire-extinguishing door |
| KR20010068855A (en) * | 2000-01-10 | 2001-07-23 | 이채득 | Constructing method for a framework of door |
| CN2591198Y (en) * | 2002-12-31 | 2003-12-10 | 郝长岭 | Compound antitheft & fireproof door |
| CN201209391Y (en) * | 2008-03-19 | 2009-03-18 | 陈汝华 | Woody hollow fire-proof door |
| CN202012282U (en) * | 2011-03-18 | 2011-10-19 | 湖南鑫美格新型装饰材料有限公司 | Ecological single-leaf door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587825A (en) * | 2017-10-12 | 2018-01-16 | 广州市第四装修有限公司 | Dinner party hall door |
| CN110410500A (en) * | 2019-07-19 | 2019-11-05 | 安徽名扬刷业有限公司 | A kind of sealing dust-break brush device and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102155137B (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102691460A (en) | Ecological single-page door | |
| CN102155137B (en) | Ecological single leaf door | |
| CN202012282U (en) | Ecological single-leaf door | |
| KR101142447B1 (en) | Door for inner gate and manufacturing method thereof | |
| JPS63103186A (en) | Window or door having armored structure | |
| CN108979466B (en) | Ultrahigh modeling door | |
| CN215804242U (en) | Door edge-covering section, door leaf and double door leaves | |
| CN206615052U (en) | Cab door with sealing structure | |
| CN216690864U (en) | Anti-theft armored safety door with replaceable panel and ultra-low energy consumption | |
| CN104481369A (en) | Fireproof armored door | |
| KR20150020656A (en) | Coupling devices for door frames | |
| CN201517351U (en) | Hand protection garage door | |
| CN208294363U (en) | A kind of assembled air-conditioner stainless steel maintenance door | |
| EP2444565B1 (en) | Modular structural facade | |
| CN205400473U (en) | Compound wooden door | |
| CN212927630U (en) | Door stop strip | |
| CN209724079U (en) | A kind of timber edge sealing structure | |
| CN213449964U (en) | Aluminum alloy door frame and bordure thereof | |
| CN216841335U (en) | Silencing sealing strip for side-by-side door | |
| CN207080123U (en) | A kind of shellproof aluminum-coated wood window | |
| CN211173809U (en) | Copper-wood composite narrow-frame sliding door | |
| CN216641879U (en) | Two ecological door structures of opening | |
| CN204984174U (en) | Compound steel slab matter insulates against heat and prevents fire door fan | |
| CN220036506U (en) | Novel door frame section bar structure | |
| CN219993534U (en) | Flat fireproof door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20140318 |