CN206158521U - Steel wooden heat -insulating fireproof door is run from opposite directions to improved generation - Google Patents
Steel wooden heat -insulating fireproof door is run from opposite directions to improved generation Download PDFInfo
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- CN206158521U CN206158521U CN201620641338.XU CN201620641338U CN206158521U CN 206158521 U CN206158521 U CN 206158521U CN 201620641338 U CN201620641338 U CN 201620641338U CN 206158521 U CN206158521 U CN 206158521U
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- door
- door leaf
- doorframe
- fireproof
- plastic laminated
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Abstract
The utility model provides a steel wooden heat -insulating fireproof door is run from opposite directions to improved generation, including door frame and two door leafs. Two door leafs pass through the fire safety hinge symmetry to be fixed on the frame of door frame both sides. The door leaf includes the skeleton, pack the expanded perlite PLASTIC LAMINATED in the skeleton, be fixed with first magnesium silicon PLASTIC LAMINATED, flame -retardant plywood in proper order on the surface of expanded perlite PLASTIC LAMINATED. Be provided with L shape fire prevention intumescent seals between door frame and the door leaf, the door frame is fixed with second magnesium silicon PLASTIC LAMINATED in the inboard of fire surface face, contact surface between two door leafs still is provided with the crack sealing member. Set up the expanded perlite PLASTIC LAMINATED through the inside at the door leaf, improve fireproof effect, when setting up magnesium silicon PLASTIC LAMINATED and further improve fireproof effect, improve the intensity and the shock -resistant ability of door leaf. Through rationally install L shape fire prevention intumescent seals on the door frame, improve sealed fireproof effect and can reduce the door leaf when closing and the noise that produces between the door frame.
Description
Technical field
The utility model is related to fire resistant doorsets technical field, specifically a kind of split steel wooden heat-insulating fire prevention of modified
Door.
Background technology
Infrastructure construction (such as subway, change expansion airport and stadium) is carried out on a large scale with country, it is architectural used
Fire resistant doorsets demand is increasing, performance requirement more and more higher, and fireproof alert level requires more and more higher.
At present, densely populated place, house, its thermal conductivity factor of the fire resistant doorsets of club's employing are higher, when there is fire, hold
Easily cause door leaf temperature too high, so as to cause door leaf to be easily deformed, do not reach the requirement of fire protecting performance；In addition conventional fire door is strong
Degree is poor, and its impact resistance also has much room for improvement.
Utility model content
The utility model is directed to the deficiencies in the prior art, there is provided a kind of intensity is high, fire protecting performance is good, be prevented effectively from door leaf change
The split steel wooden heat-insulating fireproof door of modified of shape.
The utility model is to be achieved through the following technical solutions above-mentioned technical purpose：
A kind of split steel wooden heat-insulating fireproof door of modified, including doorframe and two fan door leafs；The two fan door leaf is by anti-
Fiery hinge is symmetrically fixed on the frame of the doorframe both sides；The two fan door leaf to the same side opening and closing of the doorframe is arranged；
The two fans door leaf structure is identical；The door leaf includes door leaf surrounding skeleton, door leaf inner frame；The door leaf surrounding skeleton is by institute
State door leaf inner frame and be separated into multiple regions；Expanded perlite PLASTIC LAMINATED is filled in the plurality of region, door core is formed；Institute
The surface for stating a core is fixed with the first magnesium silicon PLASTIC LAMINATED；Flame-retardant plywood is fixed with the surface of the first magnesium silicon PLASTIC LAMINATED；
The doorframe has door shield line, and the side fixed with the doorframe of the door leaf is in door shield line；The door
L-shaped fireproof expansion seal part is provided between frame and the door leaf；The L-shaped fireproof expansion seal part connects with the door leaf side
It is tactile partially embedded to be fixed in the doorframe；Part of the L-shaped fireproof expansion seal part in door shield line floats over described
Door shield line surface；The high 2214mm of the door leaf, thickness are 55mm, width 1006mm；The a height of 2300mm in the doorframe outer ring, outer ring width
2100mm；The doorframe is formed for the cold-rolling galvanization steel plate punched of 1.2mm；The doorframe is from inner ring to the width of outer ring most broadside
For 60mm；From the width on inner ring adjacent and side that contact with body of wall to outer ring most broadside it is 120mm with the doorframe；The door
Frame is fixed with the second magnesium silicon PLASTIC LAMINATED on the inside of fire surface.
Preferably, the side contacted when the two fans door leaf is closed is additionally provided with crack between a door and its frame seal.
Preferably, sequencer and door closer are additionally provided with the two fans door leaf；In the two fans door leaf wherein one
Fire prevention latch is additionally provided between fan door leaf and doorframe.
Preferably, the packed density of the expanded perlite PLASTIC LAMINATED is 400kg/m3± 10%；The magnesium silicon PLASTIC LAMINATED
Thickness be 5mm；The thickness of the flame-retardant plywood is 2.5mm.
Preferably, the crack between a door and its frame seal includes two lid seam plates；It is described lid seam plate be by cold-rolling galvanization steel plate one into
The channel-shaped frame being enclosed within the contact surface of the two fans door leaf of type；Lid seam plate on the door leaf first closed in the two fans door leaf
There is first baffle towards the side for closing direction；The side that the lid seam plate of the door leaf closed afterwards is relative with the first baffle has
There is second baffle.
Preferably, it is respectively and fixedly provided with fireproof expansion seal part on the inside of the first baffle and second baffle.
Preferably, the door leaf surrounding skeleton, door leaf inner frame are made by fire retarding wood；The door leaf surrounding skeleton by
Section is long 50mm, the rectangular frame of the fire-retardant rod composition of width 40mm；The door leaf inner frame is length for three sections
The fire-retardant cross bar of 55mm, width 40mm；The door leaf surrounding skeleton is divided into four regions by three fire-retardant cross bars.
Preferably, the two fans door leaf is fixed on the doorframe respectively by 4 hinge for fireproof；Wherein first fire prevention
Distance of the center of hinge at the top of the door leaf is the center of 180mm, second hinge for fireproof away from the door leaf
The distance at top be distance of the center of 560mm, the 3rd hinge for fireproof at the top of the door leaf be 1210mm, the 4th
Distance of the center of hinge for fireproof at the top of the door leaf is 2000mm.
Preferably, the fire prevention latch is fixed on the door leaf first closed in the two fans door leaf.
A kind of method for making the split steel wooden heat-insulating fireproof door of modified, comprises the following steps：
S1. the making of door leaf
1) door leaf surrounding skeleton and door leaf inner frame are constituted with fire retarding wood, the door leaf inner frame is by the door leaf surrounding
Skeleton is divided into multiple regions；Expanded perlite is tamped in the region, door core is formed；
2) the first magnesium silicon PLASTIC LAMINATED is fixed on the surface of door core；
3) fix one layer of flame-retardant plywood on the surface of the first magnesium silicon PLASTIC LAMINATED and form door leaf；
S2. the making of doorframe
1) blanking, with punch press four block length bar shaped blanks are punched out on cold-rolling galvanization steel plate；
2) four blocks of blanks are struck out four channel-shaped frames by punch forming using stamping machine；
3) the second magnesium silicon PLASTIC LAMINATED is respectively welded or riveted on the inner side slot bottom of four channel-shaped frames；
4) four edges frame is assembled using welding or riveting process integral；
S3. door leaf is assembled with doorframe
1) door leaf is fixed with doorframe by 4 hinge for fireproof；
2) contact position in two fan door leafs installs crack between a door and its frame seal；
3) relevant position erection sequence device in door leaf and doorframe, door closer, fire prevention latch, Fire-proof lock.
The utility model compared with prior art, has the advantages that：
1. by arranging expanded perlite PLASTIC LAMINATED in the inside of door leaf, flameproof effect is improved, magnesium silicon PLASTIC LAMINATED is set and is entered
While one step improves flameproof effect, the intensity and impact resistance ability of door leaf is improved.Due in expanded perlite PLASTIC LAMINATED
Surrounding has used a circle fire retarding wood, can reduce the usage amount of expanded perlite PLASTIC LAMINATED, that is, alleviate the deadweight of door leaf, makes
Door leaf is while effective heat-insulating, fire-preventing is reached with lighter deadweight；The utility model is by appropriate design door leaf and doorframe
Size, makes door leaf simple with doorframe structure, slim and graceful, and daily opening and closing is laborsaving；When there is the condition of a fire, the door leaf that the utility model is improved
And the thickness and intensity of doorframe, can fire-resistance burn 1.5 hours it is indeformable, heat-insulating, fire-preventing function reaches first class standard；
The reasonable setting of 2.4 hinge for fireproof, wants many 1 hinges for more conventional fire resistant doorsets, be so designed that, can be more preferable
Carrying door leaf weight and do not occur door leaf sinking, meanwhile, when occur the condition of a fire when, the utility model by 4 fire prevention hinge
The reasonable arrangement of chain position, such that it is able to the performance of the guarantee hinge for fireproof of longer time, it is to avoid hinge performance is lost, so as to lead
Door leaf is caused to sink, the gap increase between door leaf and doorframe, the thing of fire-proof smoke-proof effect difference occurs；
3. close for the ease of two fan door leafs, what conventional design all can think on the contact surface of two fan door leafs reserves certain
The design gaps of width, and design gaps are very unfavorable for fire-proof smoke-proof, the crack between a door and its frame provided using the utility model is close
Sealing, simple structure is tightly combined with door leaf, and by being respectively provided with the both sides of two fan door leafs, lid stitches plate and the first fire prevention is swollen
Swollen seal, it is more preferable so as to reach fire-proof smoke-proof effect；
4. doorframe is made using cold-rolling galvanization steel plate punched, and the magnesium silicon for securing 5mm at the inner side slot bottom of fire surface is prevented
Fiery plate, while improving doorframe intensity, the fire-proof and thermal-insulation ability for also causing doorframe is improved；
5.L shape fireproof expansion seal parts a, part is embedded in doorframe, and another part floats over door shield line surface so that door leaf
Closing makes, and door leaf is bigger with the contact area of L-shaped fireproof expansion seal part, contacts more closely knit, and Smoke proofing and fire proofing effect is more preferable；And can
Reduce the noise produced and doorframe between when door leaf is closed；
6. add fire prevention sequencer on door leaf, can reasonably control the switching sequence of two fan door leafs, in order to avoid at closing time
There is dislocation, especially when crack between a door and its frame is provided with seal, the effect of sequencer becomes apparent from, it is to avoid lead due to due to baffle plate
Door is caused to close；
7. preventing fires latch can be when being necessary, it is ensured that only Yishanmen is closed.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of the split steel wooden heat-insulating fireproof door of modified of the utility model；
Fig. 2 is the cross-sectional view of A-A in Fig. 1；
Fig. 3 is the cross-sectional view of B-B in Fig. 1；
Fig. 4 is the cross-sectional view of C-C in Fig. 1；
Fig. 5 is the cross-sectional view of D-D in Fig. 1；
Fig. 6 is the structural representation of crack between a door and its frame seal in a kind of split steel wooden heat-insulating fireproof door of modified of the utility model
Figure；
Fig. 7 is L-shaped fireproof expansion seal part and door in a kind of split steel wooden heat-insulating fireproof door of modified of the utility model
The fixed relationship structural representation of frame.
Specific embodiment
To make to have a better understanding and awareness architectural feature of the present utility model and the effect reached, to compared with
Good embodiment and accompanying drawing coordinates detailed description, is described as follows：
As shown in Figure 1 and Figure 2, the split steel wooden heat-insulating fireproof door of a kind of modified, including doorframe 1 and two fans door leaf 2；Two
Fan door leaf 2 is symmetrically fixed on the frame of the both sides of doorframe 1 by hinge for fireproof.The structure of two fan door leafs 2 is identical.Door leaf 2 includes
Door leaf surrounding skeleton 21, door leaf inner frame 22；Door leaf surrounding skeleton 21 is separated into multiple regions by door leaf inner frame 22.Multiple
Expanded perlite PLASTIC LAMINATED 23 is filled in region and forms door core, on the surface of door core the first magnesium silicon PLASTIC LAMINATED 24 is fixed with, the
The surface of one magnesium silicon PLASTIC LAMINATED 24 is fixed with flame-retardant plywood 25.
As shown in figure 4, the high 2214mm of door leaf 2 of the utility model offer, thickness are 55mm, width 1006mm.Wherein expand
The packed density of perlite fireproof plate 23 is 400kg/m3± 10%；The thickness of the first magnesium silicon PLASTIC LAMINATED 24 is 5mm；Fire-retardant gluing
The thickness of plate 25 is 2.5mm.The high 2300mm of doorframe 1, outer ring width 2100mm that the utility model is provided, it adopts punch press cold rolling
Four block length bar shaped blanks are punched out on galvanized steel plain sheet, recycle stamping machine that four blocks of blanks are struck out into four channel-shaped frames, then
The second magnesium silicon PLASTIC LAMINATED 11 is respectively welded or riveted on the inner side slot bottom of four channel-shaped frames, recycles welding or riveting process
Four edges frame is assembled integral.Doorframe 1 from inner ring to the width of outer ring most broadside be the 60mm sides wide with 60mm it is adjacent and
The width on the side contacted with body of wall is 120mm.The utility model makes door leaf 2 by appropriate design door leaf 2 and the size of doorframe 1
With the simple structure of doorframe 1, slim and graceful, daily opening and closing is laborsaving；When there is the condition of a fire, door leaf 2 and doorframe 1 that the utility model is improved
Thickness and intensity, can fire-resistance burn 1.5 hours it is indeformable, heat-insulating, fire-preventing function reaches first class standard.
Doorframe 1 has door shield line, and the side fixed with doorframe 1 of door leaf 2 is in door shield line.Between doorframe 1 and door leaf 2
It is provided with L-shaped fireproof expansion seal part 29.As shown in fig. 7, the L-shaped fireproof expansion seal part 29 and door leaf of the utility model offer
The partially embedded of 2 contacts side surfaces is fixed in doorframe 1, and part of the L-shaped fireproof expansion seal part 29 in door shield line floats over door
Gear line surface.It is so designed that, compared to traditional strip and the seal that is embedded in doorframe 1, the L-shaped that the utility model is provided
When fireproof expansion seal part 29 may insure that door leaf 2 is closed, door leaf 2 is big with the contact area of L-shaped fireproof expansion seal part 29, prevents
Fiery Smoke prevention effect is good.
Doorframe 1 is fixed with the second magnesium silicon PLASTIC LAMINATED 11 on the inside of fire surface；Door is additionally provided between door leaf 2 and doorframe 1
Seam seal 5.
Easily there is phenomenon of fighting at closing time in two fan door leafs, so, the utility model there is also mounted fire prevention on door leaf
Sequencer 4 and door closer 8.The fire prevention sequencer 4 and door closer 8 that the utility model is provided is respectively provided with resistant to elevated temperatures performance.
In order that two fan door leafs will not be opened after closing by wind, the utility model is also mounted with latch 7 of preventing fires on door leaf.
As shown in Figure 2 and Figure 3, the door leaf that the utility model is provided has skeleton, i.e. door leaf surrounding skeleton 21, door leaf in-seam
Frame 22, the two is made by fire retarding wood, the pine generally after flame treatment.Door leaf surrounding skeleton 21 is length by section
The rectangular frame of 50mm, the fire-retardant rod composition of width 40mm；Door leaf inner frame 22 is long 55mm, width 40mm for three sections
Fire-retardant cross bar；Door leaf surrounding skeleton 21 is divided into four regions by three fire-retardant cross bars.
The hinge for fireproof 3 that the utility model is provided is four.Wherein the center of first hinge is away from the top of door leaf 2
Distance is 180mm；Distance of the center of second hinge away from the top of door leaf 2 is 560mm；The center of the 3rd hinge
Distance away from the top of door leaf 2 is 1210mm；Distance of the center of the 4th hinge away from the top of door leaf 2 is 2000mm.This reality
With the new reasonable arrangement by 4 hinge for fireproof positions, such that it is able to the performance of the guarantee hinge for fireproof of longer time, keep away
Exempt from hinge performance forfeiture, so as to cause door leaf to sink, the gap increase between door leaf and doorframe, the thing of fire-proof smoke-proof effect difference
Occur.
As shown in figure 5, the lock 6 that the utility model is provided is Fire-proof lock, the anti-of the utility model offer is further increased
The fire-proof function of vent.
As shown in fig. 6, the crack between a door and its frame seal 5 that the utility model is provided includes two lid seam plates 51；Lid seam plate 51 is by cold
Roll the integrally formed channel-shaped frame being enclosed within the contact surface of two fan door leafs 2 of galvanized steel plain sheet.Lid seam on the door leaf formerly closed
Plate 51 has first baffle 511 towards the side for closing direction, and the lid of the door leaf 2 closed afterwards stitches plate 51 and the phase of first baffle 511
To side there is second baffle 512.First baffle 511 and second baffle 512 are integrally formed with corresponding lid seam plate.
The inner side of both one baffle plate 511 and second baffle 512 is respectively and fixedly provided with the first fireproof expansion seal part 52.Two fan door leafs 2 are being closed
During, for the demand of closing, can be artificial reserve design gaps, by being respectively provided with lid seam plate in the both sides of two fan door leafs 2
51 and first fireproof expansion seal part 52, it is more preferable so as to reach fire-proof smoke-proof effect.
A kind of preparation method of the split steel wooden heat-insulating fireproof door of modified, comprises the following steps：
S1. the making of door leaf
1) door leaf surrounding skeleton and door leaf inner frame are constituted with fire retarding wood, the door leaf inner frame is by the door leaf surrounding
Skeleton is divided into multiple regions；It is interior in the region to tamp expanded perlite, form door core；
2) the first magnesium silicon PLASTIC LAMINATED 24 is fixed on the surface of door core；
3) fix one layer of flame-retardant plywood 25 on the surface of the first magnesium silicon PLASTIC LAMINATED 24 and form door leaf 2；
S2. the making of doorframe
1) blanking, with punch press four block length bar shaped blanks are punched out on cold-rolling galvanization steel plate；
2) four blocks of blanks are struck out four channel-shaped frames by punch forming using stamping machine；
3) one piece of magnesium silicon PLASTIC LAMINATED, i.e. the utility model are respectively welded or riveted on the inner side slot bottom of four channel-shaped frames
The second described magnesium silicon PLASTIC LAMINATED 11；
4) four edges frame is assembled using welding or riveting process integral；
S3. door leaf is assembled with doorframe
1) door leaf 2 is fixed with doorframe 1 by 4 hinge for fireproof 3；
2) contact position in two fan door leafs installs crack between a door and its frame seal；
3) relevant position erection sequence device) in door leaf and doorframe, door closer, fire prevention latch, Fire-proof lock.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of without departing from the utility model spirit and scope
Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model is required
Protection domain defined by appending claims and its equivalent.
Claims (9)
1. a kind of split steel wooden heat-insulating fireproof door of modified, including doorframe and two fan door leafs；The two fan door leaf is by fire prevention
Hinge is symmetrically fixed on the frame of the doorframe both sides；The two fan door leaf to the same side opening and closing of the doorframe is arranged；Institute
State two fan door leaf structures identical；It is characterized in that：The door leaf includes door leaf surrounding skeleton, door leaf inner frame；The door leaf four
All skeletons are separated into multiple regions by the door leaf inner frame；Expanded perlite PLASTIC LAMINATED, shape are filled in the plurality of region
Cheng Menxin；The first magnesium silicon PLASTIC LAMINATED is fixed with the surface of the door core；It is fixed with the surface of the first magnesium silicon PLASTIC LAMINATED
Flame-retardant plywood；
The doorframe has door shield line, and the side fixed with the doorframe of the door leaf is in door shield line；The doorframe with
L-shaped fireproof expansion seal part is provided between the door leaf；The L-shaped fireproof expansion seal part and the door leaf contacts side surfaces
It is partially embedded to be fixed in the doorframe；Part of the L-shaped fireproof expansion seal part in door shield line floats over the door shield
Line surface；The high 2214mm of the door leaf, thickness are 55mm, width 1006mm；The a height of 2300mm in the doorframe outer ring, outer ring width
2100mm；The doorframe is formed for the cold-rolling galvanization steel plate punched of 1.2mm；The doorframe is from inner ring to the width of outer ring most broadside
For 60mm；From the width on inner ring adjacent and side that contact with body of wall to outer ring most broadside it is 120mm with the doorframe；The door
Frame is fixed with the second magnesium silicon PLASTIC LAMINATED on the inside of fire surface.
2. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 1, it is characterised in that：The two fans door
The side that fan is contacted when closing is additionally provided with crack between a door and its frame seal.
3. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 1, it is characterised in that：The two fans door
Sequencer and door closer are additionally provided with fan；It is additionally provided between wherein Yishanmen fan and doorframe in the two fans door leaf anti-
Fiery latch.
4. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 1, it is characterised in that：The expansion is precious
The packed density of pearl rock PLASTIC LAMINATED is 400kg/m3± 10%；The thickness of the magnesium silicon PLASTIC LAMINATED is 5mm；The flame-retardant plywood
Thickness be 2.5mm.
5. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 2, it is characterised in that：The crack between a door and its frame is close
Sealing includes two lid seam plates；The lid seam plate is by the integrally formed contact for being enclosed within the two fans door leaf of cold-rolling galvanization steel plate
Channel-shaped frame on face；The lid seam plate on door leaf first closed in the two fans door leaf has first towards the side for closing direction
Baffle plate；The side that the lid seam plate of the door leaf closed afterwards is relative with the first baffle has second baffle.
6. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 5, it is characterised in that：The first gear
Fireproof expansion seal part is respectively and fixedly provided with the inside of plate and second baffle.
7. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 1, it is characterised in that：The door leaf four
All skeletons, door leaf inner frame are made by fire retarding wood；The door leaf surrounding skeleton by section be long 50mm, width 40mm it is fire-retardant
The rectangular frame of rod composition；The door leaf inner frame is that three sections are long 55mm, the fire-retardant cross bar of width 40mm；It is described
The door leaf surrounding skeleton is divided into four regions by three fire-retardant cross bars.
8. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 1, it is characterised in that：The two fans door
Fan is fixed on the doorframe respectively by 4 hinge for fireproof；Wherein the center of first hinge for fireproof is away from the door leaf
The distance at top be distance of the center of 180mm, second hinge for fireproof at the top of the door leaf be 560mm, the 3rd
Distance of the center of hinge for fireproof at the top of the door leaf is the center of 1210mm, the 4th hinge for fireproof away from described
Distance at the top of door leaf is 2000mm.
9. the split steel wooden heat-insulating fireproof door of a kind of modified according to claim 3, it is characterised in that：The fire prevention is inserted
Pin is fixed on the door leaf first closed in the two fans door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641338.XU CN206158521U (en) | 2016-06-22 | 2016-06-22 | Steel wooden heat -insulating fireproof door is run from opposite directions to improved generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641338.XU CN206158521U (en) | 2016-06-22 | 2016-06-22 | Steel wooden heat -insulating fireproof door is run from opposite directions to improved generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158521U true CN206158521U (en) | 2017-05-10 |
Family
ID=58646355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620641338.XU Expired - Fee Related CN206158521U (en) | 2016-06-22 | 2016-06-22 | Steel wooden heat -insulating fireproof door is run from opposite directions to improved generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401416A (en) * | 2016-06-22 | 2017-02-15 | 安徽安旺门业股份有限公司 | Modified steel-wood heat insulation fireproof double-door and manufacturing method thereof |
-
2016
- 2016-06-22 CN CN201620641338.XU patent/CN206158521U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401416A (en) * | 2016-06-22 | 2017-02-15 | 安徽安旺门业股份有限公司 | Modified steel-wood heat insulation fireproof double-door and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Modified steel-wood heat insulation fireproof double-door and manufacturing method thereof Effective date of registration: 20171211 Granted publication date: 20170510 Pledgee: Huizhou bank Limited by Share Ltd. Mengcheng branch Pledgor: ANHUI ANWANG DOOR INDUSTRY CO.,LTD. Registration number: 2017340000399 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20190622 |
|
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