CN103862550B - A kind of solid wood multi-layer structural slab production technology - Google Patents
A kind of solid wood multi-layer structural slab production technology Download PDFInfo
- Publication number
- CN103862550B CN103862550B CN201410132011.5A CN201410132011A CN103862550B CN 103862550 B CN103862550 B CN 103862550B CN 201410132011 A CN201410132011 A CN 201410132011A CN 103862550 B CN103862550 B CN 103862550B
- Authority
- CN
- China
- Prior art keywords
- wood
- slab
- fiber
- production technology
- 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.)
- Expired - Fee Related
Links
Landscapes
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a kind of solid wood multi-layer structural slab production technology, comprise chip, defibrator process or polishing, applying glue, drying, paving layer, flaking, drying, applying glue, paving sandwich layer, spread top layer, precompressed, hot pressing, sawing, sanding are fixed thick.The present invention is that a kind of utilization in the brush wood of agriculture and forestry organic waste material extracts wood fibre and thin slice, and carried out the manufacturing technique method that reconfigures, adopt this production technology, production cost can be reduced, meet the needs of large-scale production, its solid wood multi-layer structural slab produced has intensity greatly simultaneously, and nail-holding ability is strong, the advantage that anti-bending strength is good.
Description
Technical field
The present invention relates to Wood-based Panel Production technical field, particularly a kind of solid wood multi-layer structural slab production technology.
Background technology
Global concern is subject in current climate change; conserve forests and become human consensus; and world's mining resources reduces day by day, socio-economic development is under timber and the ever-increasing situation of goods demand thereof; make full use of the resource development wood-based plates such as wood fibre discarded in artificial fast-growing Commercial Forests, Forest Cultivation and logging residue and production and construction, the process that renovates; with alternative traditional solid wood products; to protection wildwood resource, improve the ecological environment; meet the demand of economic development to Wood products simultaneously, there is irreplaceable effect.
In prior art, wood-based plate has many types, generally comprises density board, glued board, core-board, particieboard etc., wherein, density board is exactly removed the peel by log, is ground into wood chip after defibrator is separated, more shaping through HTHP, the general sheet material of density ratio wants high, but its less stable, make moist meeting deformed dilation, is not suitable for using when width is larger, should not be on-the-spot at finishing, nail-holding ability is poor; Glued board is commonly called as clamping plate or multi-layer sheet, is to use also be a kind of timber using often at present the earliest.Generally formed by the veneer of three layers or multilayer one millimeters thick or the hot pressing of thin plate sticker, the three-ply board that we often say is suppressed by three layers of veneer and is formed, but its less stable, distortion possibility is larger, this is because the uniformity difference of its core material causes, be not suitable for the position for unifaciality, such as cabinet door etc.Also have glued board to need when producing a large amount of artificial, along with current cost of labor goes up day by day, glued board eventually can eliminate by market; Core-board is commonly called as lumber core, is to be formed by glue laminated Wood block floor in the middle of two panels veneer, its market price is high, when producing timber resources consumption comparatively large, resistance to mechanical intensity is low.
Therefore, how a kind of Wood-based Panel Production technique is provided, the production cost of wood-based plate can be reduced, and it is large to make the wood-based plate produced by this production technology have intensity, nail-holding ability is strong, and the advantage that anti-bending strength is good, becomes the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of solid wood multi-layer structural slab production technology, to reach the production cost that can reduce wood-based plate, and it is large to make the wood-based plate produced by this production technology have intensity, nail-holding ability is strong, the object of the advantage that anti-bending strength is good.
For achieving the above object, the invention provides following technical scheme:
A kind of solid wood multi-layer structural slab production technology, comprises step:
1) by wood chipping equipment, raw material is cut into length 3-5cm, the wood chip of width 2-3cm;
2) defibrator process is carried out to described wood chip and form fiber, make the fiber filter degree of described fiber reach 22 ~ 28S;
3) to described step 2) the described fiber that obtains carries out applying glue;
4) the described fiber after applying glue is sprayed into drying duct drying, make its moisture content reach 8 ~ 12%, then send into metering feed bin;
5) the described fiber be stored in described metering feed bin is mated formation into layer by spreading machine;
6) by chipper by raw material flaking, then by sander, described flaking is smashed, formed wood shavings;
7) drying is carried out to described wood shavings, control its moisture content after dry 2 ~ 3%;
8) to described step 7) the described wood shavings that obtain carry out applying glue, and after making its applying glue, moisture content is 8 ~ 10%;
9) by described spreading machine by described step 8) the described wood shavings that obtain mat formation and form sandwich layer in described layer;
10) the described fiber in described metering feed bin is dressed up upper epidermis on described sandwich layer upper berth, form slab;
11) to described step 10) in the described slab that obtains carry out precompressed, make described slab just one-step forming;
12) the described slab pressed in advance is sent into HTHP press, at 180 DEG C ~ 200 DEG C, carry out hot pressing;
13) sawing is carried out by trimmed size after the described slab cooling after hot pressing completes;
14) the fixed thick process of sanding is carried out to the described steel slab surface through sawing, make described solid wood multi-layer structural slab.
Preferably, described step 1) specifically comprise:
101) by wood chipping equipment, raw material is cut into sheet;
102) by oscillating riddle, the raw material cutting into sheet is screened, filter out length 3-5cm, the wood chip of width 2-3cm enters described step 2), sheet-shaped material size being greater than to described wood chip cuts again, generate described wood chip, then described step 2 is entered), remaining wood chip bark is as boiler raw material.
Preferably, described step 2) specifically comprise and carry out defibrator process by described wood chip feeding defibrator, under 0.7 ~ 0.8Mpa pressure, form described fiber after vapour cooking 2 ~ 10min, make the fiber filter degree of described fiber reach 22 ~ 28S.
Preferably, described step 3) specifically comprise described step 2) the described fiber that obtains is in fiber described in 1000kg: the ratio of 160kg ~ 190kg adhesive carries out applying glue.
Preferably, described step 8) be specially described step 7) the described wood shavings that obtain are in wood shavings described in 1000kg: the ratio of 50kg ~ 60kg adhesive carries out applying glue, and after making its applying glue moisture content 8 ~ 10%.
Preferably, described step 11) be specially described step 10) in the described slab that obtains carry out precompressed by preformer, the pressurization oil cylinder working-pressure of described preformer is between 26 ~ 28Mpa, and compression ratio is 1:5, makes described slab just one-step forming.
Preferably, described step 13) be specially the described slab after hot pressing being completed and cool 48 hours, then carry out sawing by trimmed size.
As can be seen from technique scheme, solid wood multi-layer structural slab production technology provided by the invention, comprises 1) by wood chipping equipment, raw material is cut into length 3-5cm, the wood chip of width 2-3cm; 2) defibrator process is carried out to wood chip and form fiber, make the fiber filter degree of fiber reach 22 ~ 28S; 3) to step 2) fiber that obtains carries out applying glue; 4) fiber after applying glue is sprayed into drying duct drying, make its moisture content reach 8 ~ 12% and then send into metering feed bin; 5) fiber be stored in metering feed bin is mated formation into layer by spreading machine; 6) by chipper by raw material flaking, then by sander, flaking is smashed, formed wood shavings; 7) drying is carried out to wood shavings, control its moisture content after dry 2 ~ 3%; 8) to step 7) wood shavings that obtain carry out applying glue, and after making its applying glue, moisture content is 8 ~ 10%; 9) by spreading machine by step 8) wood shavings that obtain mat formation and form sandwich layer in layer; 10) fiber in metering feed bin is dressed up upper epidermis on sandwich layer 2 upper berth, form slab; 11) to step 10) in the slab that obtains carry out precompressed, make slab just one-step forming; 12) slab pressed in advance is sent into HTHP press, at 180 DEG C ~ 200 DEG C, carry out hot pressing; 13) sawing is carried out by trimmed size after the slab cooling after hot pressing completes; 14) the fixed thick process of sanding is carried out to the steel slab surface through sawing, make solid wood multi-layer structural slab.Adopt this production technology, can reduce production cost, meet the needs of large-scale production, its solid wood multi-layer structural slab produced has intensity greatly simultaneously, and nail-holding ability is strong, the advantage that anti-bending strength is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The flow chart of the solid wood multi-layer structural slab production technology that Fig. 1 provides for an embodiment of the present invention;
The structural representation of the solid wood multi-layer structural slab that Fig. 2 provides for an embodiment of the present invention;
The flow chart of the solid wood multi-layer structural slab production technology that Fig. 3 provides for the another kind of embodiment of the present invention;
The thermal buckling line chart of the solid wood multi-layer structural slab production technology that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
The invention provides a kind of solid wood multi-layer structural slab production technology, to reach the production cost that can reduce wood-based plate, and it is large to make the wood-based plate produced by this production technology have intensity, and nail-holding ability is strong, the object of the advantage that anti-bending strength is good.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the flow chart of the solid wood multi-layer structural slab production technology that Fig. 1 provides for an embodiment of the present invention; The structural representation of the solid wood multi-layer structural slab that Fig. 2 provides for an embodiment of the present invention.
A kind of solid wood multi-layer structural slab production technology provided by the invention, comprises the following steps:
S1: raw material is cut into length 3-5cm by wood chipping equipment, the wood chip of width 2-3cm;
S2: defibrator process is carried out to wood chip and forms fiber, make the fiber filter degree of fiber reach 22 ~ 28S;
S3: applying glue is carried out to the fiber that step S2 obtains;
S4: the fiber after applying glue is sprayed into drying duct drying, makes its moisture content reach 8 ~ 12%, then sends into metering feed bin;
S5: the fiber be stored in metering feed bin is mated formation into layer 3 by spreading machine;
S6: by chipper by raw material flaking, then smashed by flaking by sander, forms wood shavings;
S7: carry out drying to wood shavings, controls its moisture content 2 ~ 3% after dry;
S8: carry out applying glue to the wood shavings that step S7 obtains, after making its applying glue, moisture content is 8 ~ 10%;
S9: the wood shavings obtained by step S8 by spreading machine are mated formation and form sandwich layer 2 in layer 3;
S10: the fiber in metering feed bin is dressed up upper epidermis 1 on sandwich layer 2 upper berth, forms slab;
S11: carry out precompressed to the slab obtained in step S10, makes slab just one-step forming;
S12: the slab pressed in advance is sent into HTHP press, carry out hot pressing at 180 DEG C ~ 200 DEG C;
S13: carry out sawing by trimmed size after the slab cooling after hot pressing completes;
S14: the fixed thick process of sanding is carried out to the steel slab surface through sawing, makes solid wood multi-layer structural slab.
Compared with prior art, the solid wood multi-layer structural slab production technology that an embodiment of the present invention provides, production cost can be reduced, meet the needs of large-scale production, the solid wood multi-layer structural slab simultaneously using this production technology to produce comprises the upper layer be made up of wood fibre and the sandwich layer 2 be made up of wood shavings applying glue be clipped between upper layer, have intensity large, nail-holding ability is strong, the advantage that anti-bending strength is good.
Refer to Fig. 3, the flow chart of the solid wood multi-layer structural slab production technology that Fig. 3 provides for the another kind of embodiment of the present invention, step S1 specifically comprises:
S101: raw material is cut into sheet by wood chipping equipment;
S102: by oscillating riddle, the raw material cutting into sheet is screened, filter out length 3-5cm, the wood chip of width 2-3cm enters step S2, sheet-shaped material size being greater than to wood chip cuts again, generate wood chip, then enter step S2, remaining wood chip bark is as boiler raw material.
By screening sheet-shaped material, carrying out secondary cutting to underproof, the utilization rate of timber can be improved, reduce production cost, protection of the environment.
In embodiments of the present invention, step S2 specifically comprises wood chip to send in defibrator and carries out defibrator process, forms fiber, make the fiber filter degree of fiber reach 22 ~ 28S under 0.7 ~ 0.8Mpa pressure after vapour cooking 2 ~ 10min.
In order to while avoiding waste, reach good sizing efficiency, in the embodiment of the present invention, step S3 specifically comprises step 2) fiber that obtains is in 1000kg fiber: the ratio of 160kg ~ 190kg adhesive carries out applying glue.
In embodiments of the present invention, step S6 specifically comprises by chipper by raw material flaking, forms wood shavings, then described wood shavings is sent into sander polishing, wood shavings are polished into wood wool, is conducive to the intensity increasing solid wood multi-layer structural slab.
In the embodiment of the present invention, step S8 is specially the wood shavings that obtain step S7 in 1000kg wood shavings: the ratio of 50kg ~ 60kg adhesive carries out applying glue, and after making its applying glue moisture content 8 ~ 10%.
In the embodiment of the present invention, step S11 is specially and carries out precompressed to the slab obtained in step S10 by preformer, and the pressurization oil cylinder working-pressure of preformer is between 26 ~ 28Mpa, and compression ratio is 1:5, makes slab just one-step forming.
Refer to Fig. 4, the thermal buckling line chart of the solid wood multi-layer structural slab production technology that Fig. 4 provides for the embodiment of the present invention.Hot pressing in step S12 operates according to hot pressing curve as shown in Figure 4 in HTHP press.In Fig. 4, first peak pressure P 1 limit value is 135kgf/cm
2, P2/P3 is 25-45kgf/cm
2, P4/P5 is 90-115kgf/cm
2, P6 is 60kgf/cm
2, P7 is 40kgf/cm
2, P8 is 25kgf/cm
2, P9 is 15kgf/cm
2, the T1 time is 120 seconds, and the T2 time is 65S, the T3 time be 25S, T4 time be 15S, T5 time be 10S, T6 time is 3S.
In order to after hot pressing completes, enable slab obtain abundant cooling, in embodiments of the present invention, step S13 is specially the slab after hot pressing being completed and cools 48 hours, and then carries out sawing by trimmed size.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a solid wood multi-layer structural slab production technology, is characterized in that, comprises step:
1) by wood chipping equipment, raw material is cut into length 3-5cm, the wood chip of width 2-3cm;
2) defibrator process is carried out to described wood chip and form fiber, make the fiber filter degree of described fiber reach 22 ~ 28S;
3) to described step 2) the described fiber that obtains carries out applying glue;
4) the described fiber after applying glue is sprayed into drying duct drying, make its moisture content reach 8 ~ 12%, then send into metering feed bin;
5) the described fiber be stored in described metering feed bin is mated formation into layer (3) by spreading machine;
6) by chipper by raw material flaking, then by sander, described flaking is smashed, formed wood shavings;
7) drying is carried out to described wood shavings, control its moisture content after dry 2 ~ 3%;
8) to described step 7) the described wood shavings that obtain carry out applying glue, and after making its applying glue, moisture content is 8 ~ 10%;
9) by described spreading machine by described step 8) the described wood shavings that obtain mat formation and form sandwich layer (2) in described layer (3);
10) the described fiber in described metering feed bin is dressed up upper epidermis (1) on described sandwich layer (2) upper berth, form slab;
11) to described step 10) in the described slab that obtains carry out precompressed, make described slab just one-step forming;
12) the described slab pressed in advance is sent into HTHP press, at 180 DEG C ~ 200 DEG C, carry out hot pressing;
13) sawing is carried out by trimmed size after the described slab cooling after hot pressing completes;
14) the fixed thick process of sanding is carried out to the described steel slab surface through sawing, make described solid wood multi-layer structural slab.
2. solid wood multi-layer structural slab production technology according to claim 1, is characterized in that, described step 1) specifically comprise:
101) by wood chipping equipment, raw material is cut into sheet;
102) by oscillating riddle, the raw material cutting into sheet is screened, filter out length 3-5cm, the wood chip of width 2-3cm enters described step 2), sheet-shaped material size being greater than to described wood chip cuts again, generate described wood chip, then described step 2 is entered), remaining wood chip bark is as boiler raw material.
3. solid wood multi-layer structural slab production technology according to claim 1, it is characterized in that, described step 2) specifically comprise and carry out defibrator process by described wood chip feeding defibrator, under 0.7 ~ 0.8Mpa pressure, form described fiber after vapour cooking 2 ~ 10min, make the fiber filter degree of described fiber reach 22 ~ 28S.
4. solid wood multi-layer structural slab production technology according to claim 1, is characterized in that, described step 3) specifically comprise described step 2) the described fiber that obtains is in fiber described in 1000kg: the ratio of 160kg ~ 190kg adhesive carries out applying glue.
5. solid wood multi-layer structural slab production technology according to claim 1, it is characterized in that, described step 8) be specially described step 7) the described wood shavings that obtain are in wood shavings described in 1000kg: the ratio of 50kg ~ 60kg adhesive carries out applying glue, and after making its applying glue moisture content 8 ~ 10%.
6. solid wood multi-layer structural slab production technology according to claim 1, it is characterized in that, described step 11) be specially described step 10) in the described slab that obtains carry out precompressed by preformer, the pressurization oil cylinder working-pressure of described preformer is between 26 ~ 28Mpa, compression ratio is 1:5, makes described slab just one-step forming.
7. solid wood multi-layer structural slab production technology according to claim 1, is characterized in that, described step 13) be specially the described slab after hot pressing being completed and cool 48 hours, then carry out sawing by trimmed size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132011.5A CN103862550B (en) | 2014-04-02 | 2014-04-02 | A kind of solid wood multi-layer structural slab production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132011.5A CN103862550B (en) | 2014-04-02 | 2014-04-02 | A kind of solid wood multi-layer structural slab production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103862550A CN103862550A (en) | 2014-06-18 |
| CN103862550B true CN103862550B (en) | 2015-08-12 |
Family
ID=50901867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410132011.5A Expired - Fee Related CN103862550B (en) | 2014-04-02 | 2014-04-02 | A kind of solid wood multi-layer structural slab production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103862550B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960066B (en) * | 2015-06-15 | 2017-09-22 | 湖北益嘉林业发展有限公司 | A kind of grass tree structural slab and its production technology |
| CN106113212A (en) * | 2016-08-18 | 2016-11-16 | 迪芬巴赫机械设备服务（北京）有限公司 | A kind of high-strength shaving board and preparation method thereof |
| CN110216765A (en) * | 2018-03-02 | 2019-09-10 | 万华生态板业股份有限公司 | Camphorwood particieboard and its manufacturing method |
| CN108858644A (en) * | 2018-06-26 | 2018-11-23 | 南宁科天水性科技有限责任公司 | A kind of floor base material no aldehyde particieboard and its manufacturing method |
| CN110509367B (en) * | 2019-09-20 | 2023-12-12 | 尉氏县众林木业有限公司 | Continuous production line and production process of plywood |
| CN113696294A (en) * | 2021-09-07 | 2021-11-26 | 临沂兴滕人造板机械有限公司 | Production process of light fiber surface layer veneerable directional structural slab |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5314554A (en) * | 1988-04-05 | 1994-05-24 | Owens Charles R | Method for producing a laminated tile product |
| CN1175965C (en) * | 2002-11-05 | 2004-11-17 | 西北农林科技大学 | Manufacturing method of environmental protection superstrength wood floor |
| CN101069974A (en) * | 2007-06-13 | 2007-11-14 | 韩健 | Method for utilizing bamboo crushed aggregates and product thereof |
| CN100522526C (en) * | 2007-09-29 | 2009-08-05 | 韩家荣 | Technique for producing medium density fiberboard by using modified bulrush |
| CN101486212B (en) * | 2009-02-25 | 2011-04-20 | 南京林业大学 | Method for producing compressed charing poplar three-layer wood composite flooring |
| CN102310453A (en) * | 2010-07-08 | 2012-01-11 | 巨野沃德森板业有限公司 | Method for manufacturing regenerated composite boards by using waste wood |
| CN102218758B (en) * | 2011-04-07 | 2013-02-13 | 西南林业大学 | High-strength light plate material and manufacture method thereof |
| CN103174276B (en) * | 2011-12-23 | 2014-12-10 | 刘彬彬 | Double-layer composite floor and manufacturing method thereof |
-
2014
- 2014-04-02 CN CN201410132011.5A patent/CN103862550B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103862550A (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103862550B (en) | A kind of solid wood multi-layer structural slab production technology | |
| CN104626292B (en) | One can facing oriented wood chipboard and preparation technology thereof | |
| CN106363714B (en) | The method that environmentally friendly particieboard is produced using full Eucalyptus leftover pieces continuous hot-press | |
| CN101342723B (en) | Method for manufacturing sunflower artificial board of straw | |
| CN103192442B (en) | A kind of production method of medium density fibre board (MDF) | |
| CN106182328B (en) | The method that sieve method screens the production particieboard of the bark in full Eucalyptus leftover pieces twice | |
| US8541085B2 (en) | Bamboo composite board and beam product | |
| WO2010032080A1 (en) | Manufactured wood product and methods for producing the same | |
| CN104084997B (en) | Continuously shaped composite construction material and manufacture method thereof | |
| CN103878836B (en) | A kind of solid wood multi-layer structural slab production technology | |
| CN102172929B (en) | Technique for producing wood bundle board by using straws | |
| CN104493944A (en) | Processing method of P2 highlight panel | |
| CN102371603A (en) | Process for manufacturing high-strength laminated wood board | |
| CN105058540A (en) | Production method for whole bamboo or bamboo-wood composite veneer and floor laminated board | |
| CN101947799A (en) | Production method of laminated veneer lumber | |
| CN105150300A (en) | Production method and product for regeneration multilayer solid wood finger joint composite board | |
| CN215881943U (en) | Bamboo veneer oriented strand board | |
| CN101985219A (en) | Natural hollow-structure bamboo/wood composite board and manufacturing method thereof | |
| CN108162122A (en) | Oriented wood chipboard and orientation wood-based plate | |
| CN104960066B (en) | A kind of grass tree structural slab and its production technology | |
| CN101898381B (en) | Integrated board production process | |
| CN104552494A (en) | Manufacturing method for low-carbon and environmental-protection anti-deformation solid wood composite door frame | |
| CN203994101U (en) | Continuously shaped composite construction material | |
| CN204081386U (en) | Plane fibers vertical stratification floor base material | |
| CN105904568B (en) | Laminated wood board, manufacturing method thereof and cable reel manufactured by laminated wood board |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20190402 |