CN105927124A - Single-leaf wooden heat insulation fireproof door - Google Patents
Single-leaf wooden heat insulation fireproof door Download PDFInfo
- Publication number
- CN105927124A CN105927124A CN201610517865.4A CN201610517865A CN105927124A CN 105927124 A CN105927124 A CN 105927124A CN 201610517865 A CN201610517865 A CN 201610517865A CN 105927124 A CN105927124 A CN 105927124A
- Authority
- CN
- China
- Prior art keywords
- door leaf
- fire
- door
- doorframe
- fireproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/161—Profile members therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/06—Wooden frames
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/34—Coverings, e.g. protecting against weather, for decorative purposes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7042—Door leaves characterised by the filling between two external panels with a fire retardant layer
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7046—Door leaves with provisions for locks, hinges or other fittings
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7059—Specific frame characteristics
- E06B2003/7061—Wooden frames
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Special Wing (AREA)
Abstract
The invention provides a single-leaf wooden heat insulation fireproof door. A door leaf is fixedly arranged on a doorframe through fireproof hinges. A peripheral skeleton of the door leaf is divided into multiple areas by an inner skeleton of the door leaf; the multiple areas are filled with expanded perlite fireproof plates to form a door core; a first magnesium-silicon fireproof plate is fixedly arranged on the surface of the door core; first flame-retardant plywood is fixedly arranged on the surface of the first magnesium-silicon fireproof plate; the doorframe comprises a frame formed by four pieces of flame-retardant wood; a second magnesium-silicon fireproof plate and second flame-retardant plywood are fixedly arranged on the surface, exposed to fire, of the frame, and are combined with the frame to form a door stop line; fireproof expansion sealing elements are arranged on the contact surface of the doorframe and the door leaf, and are fixedly embedded into the doorframe. The expanded perlite fireproof plates are arranged in the door leaf, so that fireproof effects are improved; the magnesium-silicon fireproof plates are arranged, so that the fireproof effects are further improved, and meanwhile, the strength and the impact resistance of the door leaf are improved; the fireproof expansion sealing elements are reasonably arranged on the doorframe, so that sealing and fireproof effects are improved.
Description
Technical field
The present invention relates to fire resistant doorsets technical field, specifically a kind of single fan wooden heat-insulating fireproof door.
Background technology
Infrastructure construction (such as subway, changing expansion airport and stadium), architectural fire prevention used is carried out on a large scale with country
Door demand is increasing, and performance requirement is more and more higher, and fireproof alert level requires more and more higher.
At present, densely populated place, at home, its heat conductivity of fire resistant doorsets of using of club higher, during breaking out of fire, hold
Easily cause door leaf temperature too high, thus cause door leaf to be easily deformed, do not reach the requirement of fire protecting performance；Additionally conventional fire door
Intensity is poor, and its impact resistance also has much room for improvement.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of intensity is high, fire protecting performance is good, be prevented effectively from the band of door leaf deformation
Window is double opens wooden heat-insulating fireproof door and preparation method thereof.
The present invention is to be achieved through the following technical solutions above-mentioned technical purpose:
A kind of single fan wooden heat-insulating fireproof door, including doorframe and door leaf；Door leaf is fixed on described by least 2 fire prevention hinges
On doorframe；Described door leaf includes door leaf surrounding skeleton, door leaf inner frame；Described door leaf surrounding skeleton, door leaf inner frame by
Fire retarding wood is made；The rectangular frame that described door leaf surrounding skeleton is made up of fire-retardant rod；Described door leaf inner frame is three
Fire-retardant cross bar；Described door leaf surrounding skeleton is divided into four regions by described three fire-retardant cross bars；Fill in described four regions
Expanded perlite PLASTIC LAMINATED, forms door core；The first magnesium silicon PLASTIC LAMINATED it is fixed with on the surface of described door core；At described first magnesium
The surface of silicon PLASTIC LAMINATED is fixed with the first flame-retardant plywood；
Described doorframe includes the framework being made up of 4 fire retarding woods；Described framework fire surface fix the second magnesium silicon PLASTIC LAMINATED with
And second flame-retardant plywood, to form door shield line with described framework；It is provided with anti-on described doorframe and the contact surface of described door leaf
Fire expansion sealing element；Described fireproof expansion seal part is embedded to be fixed in described doorframe.
Preferably, described door leaf height 2245mm, thickness be 45mm, wide 910mm.
Preferably, the packed density of described expanded perlite PLASTIC LAMINATED is 400kg/m3± 10%；Described first magnesium silicon PLASTIC LAMINATED
Thickness is 5mm；The thickness of described first flame-retardant plywood is 2.5mm.
Preferably, described door leaf surrounding skeleton, door leaf inner frame are made by fire retarding wood；The cross section chi of described fire-retardant rod
Very little for 55mm × 30mm；The sectional dimension of described fire-retardant cross bar is long 30mm × 25mm.
Preferably, described doorframe includes the framework being made up of the fire retarding wood that 4 sectional dimensions are 85mm × 35mm.
Preferably, described second magnesium silicon fire prevention thickness of slab 12mm；Described second flame-retardant plywood thickness 2.5mm.
Preferably, described fire prevention hinge is 3；Wherein the upper end of first the fire prevention hinge distance away from described door leaf top is
250mm；The upper end of second the fire prevention hinge low side distance away from described first fire prevention hinge is 400mm；3rd fire prevention is closed
The low side of page distance bottom described door leaf is 250mm.
The present invention compared with prior art, has the advantages that
1., by arranging expanded perlite PLASTIC LAMINATED in the inside of door leaf, improve flameproof effect, it is further that magnesium silicon PLASTIC LAMINATED is set
While improving flameproof effect, improve intensity and the impact resistance ability of door leaf.Due to the surrounding at expanded perlite PLASTIC LAMINATED
Employ a circle fire retarding wood, the usage amount of expanded perlite PLASTIC LAMINATED can be reduced, i.e. alleviate the deadweight of door leaf, make door
Fan has lighter deadweight while reaching effective heat-insulating, fire-preventing；The present invention passes through the size of appropriate design door leaf and doorframe,
Making door leaf and doorframe structure simple, slim and graceful, daily opening and closing is laborsaving；When there is the condition of a fire, the door leaf of present invention raising and doorframe
Thickness and intensity, can fire-resistance burn 1 hour indeformable, heat-insulating, fire-preventing function reaches second class standard；
The reasonable setting of 2.3 fire prevention hinge positions, can effectively control door leaf sedimentation；
3. doorframe uses fire retarding wood to make, and secures magnesium silicon PLASTIC LAMINATED and the fire retardant glue of 2.5mm of 5mm in fire surface
Plywood so that the fire-proof and thermal-insulation ability of doorframe improves；
4. fireproof expansion seal part, Embedded is fixed in structure, can effectively provide sealing effectiveness, and fire insulation is good every cigarette effect；
5. the present invention provide fire-proof wooden door, simple in construction, from heavy and light, i.e. ensure attractive in appearance while, again reached fire prevention
Requirement.
Accompanying drawing explanation
Fig. 1 is a kind of single overall structure schematic diagram fanning wooden heat-insulating fireproof door of the present invention；
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 door leaf surrounding framework and the structural representation of door leaf inner frame in a kind of single fan wooden heat-insulating fireproof door of the present invention.
Detailed description of the invention
By making the architectural feature to the present invention and effect of being reached have a better understanding and awareness, in order to preferably to implement
Example and accompanying drawing coordinate detailed description, are described as follows:
As shown in Figure 1 and Figure 2, a kind of single fan wooden heat-insulating fireproof door, including doorframe 1 and door leaf 2；Door leaf 2 is by fire prevention
Hinge 3 symmetry is fixed on the frame of doorframe 1.Door leaf 2 includes door leaf surrounding skeleton 21, door leaf inner frame 22；Door leaf four
All skeletons 21 are separated into multiple region by door leaf inner frame 22.In multiple regions, fill expanded perlite PLASTIC LAMINATED 23 formed
Men Xin, is fixed with the first magnesium silicon PLASTIC LAMINATED 24 on the surface of door core, is fixed with fire retardant glue on the surface of the first magnesium silicon PLASTIC LAMINATED 24
Plywood 25.
Doorframe 1 has door shield line, being in door shield line with the fixing side of doorframe 1 of door leaf 2.Doorframe 1 and door leaf 2 it
Between be provided with fireproof expansion seal part 29 on contact surface.The fireproof expansion seal part 29 of present invention offer is embedded is fixed on doorframe
In 1, the fireproof expansion seal part 29 that the present invention provides may insure that when door leaf 2 cuts out, door leaf 2 and fireproof expansion seal part
The contact area of 29 is big, and fire-proof smoke-proof is effective.
Doorframe 1 includes the framework being made up of the fire retarding wood that 4 sectional dimensions are 85mm × 35mm, and framework is fixed in fire surface
Be fixed with the second flame-retardant plywood 12 that the second thick for 12mm magnesium silicon PLASTIC LAMINATED 11 and 2.5mm is thick, with described framework shape
Become door shield line to provide the fire resistance of doorframe simultaneously.
The present invention there is also mounted door closer 8 on door leaf.Door closer 8 has resistant to elevated temperatures performance.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 6, the door leaf that the present invention provides has skeleton, i.e. door leaf surrounding skeleton 21, door
Fan inner frame 22, both is made up of fire retarding wood, and the fire retarding wood that door leaf and doorframe are used is generally through flame treatment
After Masson Pine.The rectangular frame that door leaf surrounding skeleton 21 is made up of the fire-retardant rod that sectional dimension is 55mm × 30mm；Door
Fan inner frame 22 is the fire-retardant cross bar that three sectional dimensions are long 30mm × 25mm；Three fire-retardant cross bars are by door leaf surrounding bone
Frame 21 is divided into four regions.
The fire prevention hinge 3 that the present invention provides is 3.Wherein the upper end of first hinge distance away from door leaf 2 top is 250mm；
The upper end of second hinge low side distance away from the first hinge is 400mm；The low side of the 3rd hinge distance bottom door leaf 2
For 250mm.Three fire prevention hinges 3 are with this distance arrangement, and after being heated for a long time, first, second hinge is able to ensure that door
Fan 2 does not sinks, in order to avoid crack between a door and its frame leakage cigarette leakage fire.
The high 2245mm of door leaf 2, thickness that the present invention provides are 45mm, wide 910mm.Wherein expanded perlite PLASTIC LAMINATED 23
Packed density is 400kg/m3± 10%；The thickness of the first magnesium silicon PLASTIC LAMINATED 24 is 5mm；The thickness of the first flame-retardant plywood 25
For 2.5mm.Doorframe 1 outer ring height 2290mm, outer ring width that the present invention provides are 980mm.Door leaf 2 He being so designed that
Doorframe 1, through repeatedly testing, burn 1 hour indeformable, heat-insulating, fire-preventing function reaches second class standard.
As it is shown in figure 5, the lock 6 that the present invention provides is Fire-proof lock, further increase the fire prevention of the fire resistant doorsets that the present invention provides
Function.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technical staff of the industry
It should be appreciated that the present invention is not restricted to the described embodiments, the simply present invention's described in above-described embodiment and description is former
Reason, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these changes and improvements
Both fall within the range of claimed invention.The protection domain of application claims is by appending claims and equivalent thereof
Thing defines.
Claims (7)
1. a single fan wooden heat-insulating fireproof door, including doorframe and door leaf；It is characterized in that: door leaf is closed by least 2 fire prevention
Page fixing is on described doorframe；Described door leaf includes door leaf surrounding skeleton, door leaf inner frame；Described door leaf surrounding skeleton, door leaf
Inner frame is made by fire retarding wood；The rectangular frame that described door leaf surrounding skeleton is made up of fire-retardant rod；Described door leaf internal skeleton
Frame is three fire-retardant cross bars；Described door leaf surrounding skeleton is divided into four regions by described three fire-retardant cross bars；In described four regions
Interior filling expanded perlite PLASTIC LAMINATED, forms door core；The first magnesium silicon PLASTIC LAMINATED it is fixed with on the surface of described door core；Described
The surface of one magnesium silicon PLASTIC LAMINATED is fixed with the first flame-retardant plywood；
Described doorframe includes the framework being made up of 4 fire retarding woods；Described framework fire surface fix the second magnesium silicon PLASTIC LAMINATED and
Second flame-retardant plywood, to form door shield line with described framework；Fire prevention it is provided with swollen on described doorframe and the contact surface of described door leaf
Swollen sealing member；Described fireproof expansion seal part is embedded to be fixed in described doorframe.
A kind of single fan wooden heat-insulating fireproof door the most according to claim 1, it is characterised in that: described door leaf height 2245mm,
Thickness is 45mm, wide 910mm.
A kind of single fan wooden heat-insulating fireproof door the most according to claim 1, it is characterised in that: described expanded perlite is prevented fires
The packed density of plate is 400kg/m3± 10%；The thickness of described first magnesium silicon PLASTIC LAMINATED is 5mm；Described first flame-retardant plywood
Thickness is 2.5mm.
A kind of single fan wooden heat-insulating fireproof door the most according to claim 1, it is characterised in that: described door leaf surrounding skeleton,
Door leaf inner frame is made by fire retarding wood；The sectional dimension of described fire-retardant rod is 55mm × 30mm；Cutting of described fire-retardant cross bar
Face size is long 30mm × 25mm.
A kind of single fan wooden heat-insulating fireproof door the most according to claim 1, it is characterised in that: described doorframe includes by 4
Sectional dimension is the framework of the fire retarding wood composition of 85mm × 35mm.
A kind of single fan wooden heat-insulating fireproof door the most according to claim 1, it is characterised in that: described second magnesium silicon PLASTIC LAMINATED
Thick 12mm；Described second flame-retardant plywood thickness 2.5mm.
A kind of single fan wooden heat-insulating fireproof door the most according to claim 1, it is characterised in that: described fire prevention hinge is 3；
Wherein the upper end of first the fire prevention hinge distance away from described door leaf top is 250mm；The upper end of second fire prevention hinge is away from described
The low side distance of first fire prevention hinge is 400mm；The low side of the 3rd fire prevention hinge distance bottom described door leaf is
250mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517865.4A CN105927124A (en) | 2016-06-30 | 2016-06-30 | Single-leaf wooden heat insulation fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517865.4A CN105927124A (en) | 2016-06-30 | 2016-06-30 | Single-leaf wooden heat insulation fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105927124A true CN105927124A (en) | 2016-09-07 |
Family
ID=56830239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610517865.4A Pending CN105927124A (en) | 2016-06-30 | 2016-06-30 | Single-leaf wooden heat insulation fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105927124A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958456A (en) * | 2017-05-05 | 2017-07-18 | 贵州盘江精煤股份有限公司 | A kind of Coal Mine Fire door wall construction and its construction method |
| CN109057648A (en) * | 2018-07-31 | 2018-12-21 | 山东霞光集团有限公司 | A kind of wood moulding assembly door and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967947A (en) * | 2010-10-19 | 2011-02-09 | 宿迁新缘林木业有限公司 | Flame-retardant laminated veneer lumber wooden fireproof door and manufacturing method thereof |
| CN201943534U (en) * | 2010-12-19 | 2011-08-24 | 陈新云 | Woody heat insulation fireproof door |
| CN102220829A (en) * | 2011-06-09 | 2011-10-19 | 支亮 | Fireproof door |
| CN205277223U (en) * | 2015-12-24 | 2016-06-01 | 南京国泰消防科技股份有限公司 | Fire door is prevented to wooden lacquer of exempting from |
| CN105625906A (en) * | 2014-10-29 | 2016-06-01 | 江苏盛阳消防门业有限公司 | Single-leaf thermal insulation fireproof wood door with glass |
-
2016
- 2016-06-30 CN CN201610517865.4A patent/CN105927124A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967947A (en) * | 2010-10-19 | 2011-02-09 | 宿迁新缘林木业有限公司 | Flame-retardant laminated veneer lumber wooden fireproof door and manufacturing method thereof |
| CN201943534U (en) * | 2010-12-19 | 2011-08-24 | 陈新云 | Woody heat insulation fireproof door |
| CN102220829A (en) * | 2011-06-09 | 2011-10-19 | 支亮 | Fireproof door |
| CN105625906A (en) * | 2014-10-29 | 2016-06-01 | 江苏盛阳消防门业有限公司 | Single-leaf thermal insulation fireproof wood door with glass |
| CN205277223U (en) * | 2015-12-24 | 2016-06-01 | 南京国泰消防科技股份有限公司 | Fire door is prevented to wooden lacquer of exempting from |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958456A (en) * | 2017-05-05 | 2017-07-18 | 贵州盘江精煤股份有限公司 | A kind of Coal Mine Fire door wall construction and its construction method |
| CN109057648A (en) * | 2018-07-31 | 2018-12-21 | 山东霞光集团有限公司 | A kind of wood moulding assembly door and preparation method thereof |
| CN109057648B (en) * | 2018-07-31 | 2020-06-16 | 山东宜居新材料科技有限公司 | Wood-plastic assembled door and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |