CN201050029Y - Temporary airfield composite material road surface base plate - Google Patents
Temporary airfield composite material road surface base plate Download PDFInfo
- Publication number
- CN201050029Y CN201050029Y CNU2007200383076U CN200720038307U CN201050029Y CN 201050029 Y CN201050029 Y CN 201050029Y CN U2007200383076 U CNU2007200383076 U CN U2007200383076U CN 200720038307 U CN200720038307 U CN 200720038307U CN 201050029 Y CN201050029 Y CN 201050029Y
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- Prior art keywords
- backing plate
- core
- composite material
- resin
- bolt
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 35
- 229920005989 resin Polymers 0.000 claims abstract description 35
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 238000007711 solidification Methods 0.000 claims abstract description 11
- 230000008023 solidification Effects 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000011449 brick Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000002023 wood Substances 0.000 claims description 10
- 240000000233 Melia azedarach Species 0.000 claims description 9
- 240000007182 Ochroma pyramidale Species 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 244000055346 Paulownia Species 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920006305 unsaturated polyester Polymers 0.000 claims description 6
- 244000050510 Cunninghamia lanceolata Species 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 229920006387 Vinylite Polymers 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 238000009396 hybridization Methods 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000004382 potting Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000011162 core material Substances 0.000 abstract 4
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000579971 Terebridae Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009742 vacuum bag moulding Methods 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model relates to a interim airport combined material railway surface backing plate, it includes core (1), is equipped with panel (2) that fibre cloth layer and resin solidification formed at the both sides face of core (1), is equipped with anti-skidding coating (3) on the upper surface of panel (2), and open on the upper and lower surface of core (1) has recess (4), and the limit of connecting all around of characterized by backing plate is negative and positive connection limit, connects fixedly through bolt (11) after the negative and positive connection limit of adjacent backing plate docks. The utility model discloses the backing plate has negative and positive connection limit all around, and when two backing plates were assembled, negative and positive connection limit coincide mutually can, firm in connection, pass power reliably, the suggestion is assembled in whole place and is adopted the brick mode, can be used to the construction and the repair in interim airport and interim place, its characteristics are: the composite material has the advantages of light weight, high strength, high rigidity, corrosion resistance, peeling resistance, strong compression resistance and shear resistance of the core material, simple and rapid assembly, repeated use, no damage to site environment and industrial production.
Description
Technical field
The utility model relates to a kind of composite material sandwich structure road, opportunity airfield face backing plate and quick-assembling technology thereof of high-strength light, can be used for building the opportunity airfield fast or being used to build provisional place.
Background technology
In emergency circumstances, as: when disasters such as earthquake, flood take place, in order to finish disaster relief and rescue work rapidly, the ability that often must possess the provisional airport of quick construction, realize under the various site conditions, the material supply and personnel's transfer of remote districts arbitrarily, and under adverse circumstances, often lacking the concrete airdrome pavement engineering that time enough goes the standard of building, this has just proposed the task of research rush construction repairing with road, high-strength light opportunity airfield face backing plate.Traditional airfield pavement engineering adopts the mode of quick-hardening cement substantially, and construction is complicated, and the cycle is long, destroys nature place environment, can not adapt to sudden, allegro requirement, and this road face backing plate also can be used for defence construction simultaneously.Under abominable site condition,, or there are personnel to gather in addition, often need to build extensive provisional place, and existing mode can not reach quick rush construction substantially, not destroy site condition and reusable requirement if any main equipment, vehicle parking.
Summary of the invention
The purpose of this utility model then is at above-mentioned the deficiencies in the prior art, and a kind of civilian temporary air station composite material road face shim plate of being badly in need of with national defence is provided.
The purpose of this utility model can reach by following measure:
A kind of temporary air station composite material road face shim plate, it comprises core 1, be provided with the panel 2 that fiber layer of cloth and resin solidification form in the two sides of core 1, the upper and lower surface of core 1 has latticed groove 4, the intersection of groove 4 is provided with perforation 5 along the thickness direction of core 1, perforation is filled with resin column 6 in 5 or is filled with fiber and composite wood stock column 7 that resin solidification forms, or cut open along core 1 thickness direction, in cutting the position, space open, form resin web 8 or fiberfill fibers cloth therein behind the potting resin, cloth and resin form composite material web 9, the side all around that it is characterized in that backing plate is set to the yin and yang lian edge fit, two adjacent fillets are positive limit, other two adjacent fillets then are cloudy limit, on the yin and yang lian edge fit of the four side of backing plate, offer bolt hole 10, during adjacent two backing plate assembly units, wherein the cloudy fillet of the positive fillet of a backing plate and another piece backing plate is superimposed, and bolt hole 10 positions on it are corresponding to coincide.Described groove 3 can be pointed, rectangle, open-delta or other arbitrary shapes.Described yin and yang lian edge fit is the fillet of step, and the thickness that adjacent two backing plates connect its fillet place, back is identical with the integral thickness of backing plate.
Described backing plate is divided into long be the rectangle backing plate of wide twice, two kinds of specifications of as broad as long square backing plate.
The upper side of described panel 2 is provided with nonskid coating 3, and it is the compound of sand and resin.
Be penetrated with bolt 11 in the described bolt hole 10, bolt 11 is for being with circle, ellipse or rectangle nut up and down, and the centre is bolt, the T type bolt of cylindrical screw rod.
The material of described core 1 is Balsa wood, paulownia wood, China fir, oak, veneer, polyurethane foam, polyvinyl chloride foam or carbon foam.
The fiber layer of cloth that described panel 2 adopts comprises: single shaft to, twin shaft to or multiaxis to carbon fiber, glass fiber, aramid fiber or hybridization cloth, the resin that panel 2 adopts comprises: unsaturated polyester (UP), vinylite, epoxy resin or phenolic resins.The laying direction and the number of plies of described fiber layer of cloth can be adjusted as required flexibly, and the thickness of core 1 both sides panel 2 can unanimity also can be inconsistent.
During described backing plate assembly unit, the negative and positive of adjacent backing plate connect butt joint mutually, are brick form, pass bolt hole 10 by bolt 11 each piece backing plate is connected and fixed, and form the road face in opportunity airfield.
The utlity model has following advantage:
Compare with other products with the utility model temporary air station composite material road face shim plate, its maximum characteristics are: in light weight, the intensity height, rigidity is big, moistureproof, corrosion-resistant, antistripping, assembly unit are simple, convenient and rapid, reusable, can be used for the construction and the repairing in opportunity airfield, also can be used for the construction in large-scale provisional place.But this composite material road face backing plate suitability for industrialized production simultaneously can be produced the road face backing plate of different size (length, width and variable thickness) by instructions for use and place soil condition.
Description of drawings
Fig. 1 is one of temporary air station composite material road face shim plate structural representation.
Fig. 2 is two of a temporary air station composite material road face shim plate structural representation.
Fig. 3 is three of a temporary air station composite material road face shim plate structural representation.
Fig. 4 is the structural representation of temporary air station composite material road face shim plate fillet.
Fig. 5 is a temporary air station composite material road face shim plate assembly unit schematic diagram.
Fig. 6 is the structural representation after the temporary air station composite material road face shim plate assembly unit.
In the accompanying drawing: 1 is core, comprising: cork wood (Balsa wood, paulownia wood, China fir, oak, veneer etc.) or foam (polyurethane, polyvinyl chloride, carbon foam etc.); 2 is panel, is formed by fiber layer of cloth and resin solidification; 3 is nonskid coating; 4 is groove, comprising: pointed, rectangle, open-delta etc.; 5 is the perforation of filling up resin; 6 is resin column; 7 is the composite wood stock column; 8 is the resin web; 9 is the composite material web; 10 is bolt hole; 11 is bolt.
The specific embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments:
As shown in the figure, the utility model comprises the core 1 of cork wood or foam material, is equipped with the panel 2 that fiber layer of cloth and resin solidification form in the two sides of core 1, can lay nonskid coating 3 at the upper surface of panel 2.At core 1, can take some innovation configuration modes, strengthen resistance to compression, shearing resistance and the peeling resistance of core 1, as: the surface of core 1 can have latticed groove 4, also can be simultaneously be provided with perforation 5 along the thickness direction of core 1, potting resin forms resin column 6 or adopts the fiber sewing and form composite wood stock column 7 with resin solidification; Also can cut open along the thickness direction of core 1, potting resin forms resin web 8 or fiberfill fibers cloth, and forms composite material web 9 with resin solidification.
Aspect the assembling technique of temporary air station composite material road face shim plate, can make backing plate two adjacent fillets in advance is positive limit, other two adjacent fillets are cloudy limit, and on the fillet of four sides, have the bolt hole 10 of rectangle, and make the bolt hole 10 of relative positive fillet and cloudy fillet remain on the axis that is parallel to side.During two backing plate assembly units, the positive fillet of a backing plate and the cloudy fillet of another piece backing plate are superimposed, and make bolt hole 10 separately align, to have oval nut up and down, the centre is run through in the bolt hole 10 of rectangle for the bolt 11 of cylindrical screw rod, revolve then and turn 90 degrees, this moment, oval nut can block adjacent two backing plates up and down.Brick mode assembly unit is adopted in suggestion.
The specific embodiment of the present utility model is as follows:
Temporary air station composite material road face shim plate of the present utility model, it comprises the core 1 of paulownia wood material, two sides at core 1 all are equipped with panel 2, panel 2 is formed to glass fabric and phenolic resin curing by two-layer twin shaft, stick with paste the technology preparation by hand, panel 2 upper surfaces scribble the nonskid coating 3 of diamond dust and resin mixture.Be provided with the yin and yang lian edge fit around the backing plate, arrange three common round bolts hole 10 on every fillet, during assembly unit, adopt the bolt 11 through bolt holes 10 that are threaded bar to tighten and get final product.
Temporary air station composite material road face shim plate of the present utility model, it comprises the core 1 of polyvinyl chloride foam material, have the pointed groove 4 of quadrature arrangement in the upper and lower surface of core 1, and simultaneously in the intersection of groove along being provided with circular perforations 5 on the thickness direction of core 1, form resin column 6 behind the perfusion resin, two sides at core 1 all are equipped with panel 2, and panel 2 is formed by four layers of four-axial glass fabric and epoxy resin cure, prepares by vacuum guiding and forming technique.Be provided with the yin and yang lian edge fit around the backing plate, arrange four rectangle bolts hole 10 on every fillet, during assembly unit, to have oval nut up and down, middle revolve then to turn 90 degrees for the bolt 11 of cylindrical screw rod runs through the bolt hole 10 of rectangle, oval nut can block adjacent two backing plates about this moment.
Temporary air station composite material road face shim plate of the present utility model, it comprises the core 1 of polyurethane foam material, along cutting open on the thickness direction of core 1, cutting the position open is two-way quadrature, the vertical layout, and cutting position filled glass fiber cloth open, and fill up and form composite material web 9 behind the vinylite, all be equipped with panel 2 in the two sides of core 1, upper surface is equipped with three layers of four-axial glass fiber layer of cloth, and soffit is equipped with five layers of four-axial glass/carbon hybridization fiber layer of cloth.Be provided with the yin and yang lian edge fit around the backing plate, arrange three circular bolt holes 10 on every fillet, bolt hole 10 is positioned at the backing plate downside and is fixed with molded permanent nut, during assembly unit, T type bolt is tightened permanent nut get final product, brick mode assembly unit is adopted in the suggestion of whole place.
The preparation method of above-mentioned composite material road tie plate is various, can adopt hand to stick with paste technology, vacuum bag moulding process, vacuum guiding and forming technique or the preparation of RTM moulding process, is example with vacuum guiding and forming technique and RTM moulding process:
A. open the groove 4 of quadrature arrangement (shape of groove can comprise: pointed, rectangle, open-delta etc.) in the upper and lower surface of cork wood (comprising: Balsa wood, paulownia wood, China fir, oak, veneer etc.) and foam (comprising: polyurethane, polyvinyl chloride, carbon foam etc.) core 1;
B. along the thickness direction perforation of the core 1 that ends groove, the hole is arranged in the intersection of groove, and perforation 5 is generally circle, also can be other shapes such as ellipse, square, rhombus;
C. wherein the b step also can be cut open on the thickness direction of foam (comprising: polyurethane, polyvinyl chloride, carbon foam etc.) and cork wood (comprising: Balsa wood, paulownia wood, China fir, oak, veneer etc.) core 1, on core 1 in-plane, can unidirectionally also can two-wayly or multidirectional cut open, the position of cutting open, size and quantity can be arranged arbitrarily according to stressed needs, on core 1 thickness direction, the shape of cutting open can vertically or tilt;
D. the core that disposes can be processed into certain size according to instructions for use and place soil condition;
E. with one or more layers cloth (comprising: single shaft to, twin shaft to or multiaxis to carbon fiber, glass fiber, aramid fiber and hybridization cloth etc.) be layed in the upper and lower surface of core 1, and integral body places vacuum bag or mould;
F. by vacuum guiding and forming technique or RTM moulding process resin (comprising: unsaturated polyester (UP), vinylite, epoxy resin, phenolic resins etc.) is circulated in vacuum bag or the mould;
G. as required, can be at normal temperature and pressure or HTHP etc. in particular cases with resin solidification, treat the resin solidification moulding after, take out member;
H. the upper surface at backing plate scribbles nonskid coating 3, and nonskid coating 3 is the compound of sand and resin;
I. at the yin and yang lian edge fit auger shell keyhole 10 all around of backing plate, adjacent backing plate adopts bolt 11 to link to each other, and brick mode is adopted in assembly form suggestion in whole place.
At this moment, but can obtain the temporary air station composite material road face shim plate of quick-assembling.Wherein: the kind of panel 2 and the number of plies, the kind of core 1 and thickness, the kind of resin, the shape of groove 3 and size, the layout and the aperture of perforation 5, the layout of web and size, the sand kind of nonskid coating 3, the number and the kind of bolt hole 10, bolt 11 all can be adjusted as required flexibly.
Claims (7)
1. temporary air station composite material road face shim plate, it comprises core (1), be provided with the panel (2) that fiber layer of cloth and resin solidification form in the two sides of core (1), the upper and lower surface of core (1) has latticed groove (4), the intersection of groove (4) is provided with perforation (5) along the thickness direction of core (1), perforation is filled with resin column (6) in (5) or is filled with fiber and composite wood stock column (7) that resin solidification forms, or cut open along core (1) thickness direction, in cutting the position, space open, form resin web (8) or fiberfill fibers cloth therein behind the potting resin, cloth and resin form composite material web (9), the side all around that it is characterized in that backing plate is set to the yin and yang lian edge fit, two adjacent fillets are positive limit, other two adjacent fillets then are cloudy limit, on the yin and yang lian edge fit of the four side of backing plate, offer bolt hole (10), during adjacent two backing plate assembly units, wherein the cloudy fillet of the positive fillet of a backing plate and another piece backing plate is superimposed, and the bolt hole on it (10) position is corresponding to coincide.
2. temporary air station composite material road face shim plate according to claim 1 is characterized in that described backing plate is divided into long be the rectangle backing plate of wide twice, two kinds of specifications of as broad as long square backing plate.
3. temporary air station composite material road face shim plate according to claim 1 is characterized in that the upper side of described panel (2) is provided with nonskid coating (3).
4. temporary air station composite material road face shim plate according to claim 1, it is characterized in that being penetrated with in the described bolt hole (10) bolt (11), bolt (11) is for being with circle, ellipse or rectangle nut up and down, and the centre is bolt, the T type bolt of cylindrical screw rod.
5. temporary air station composite material road face shim plate according to claim 1, the material that it is characterized in that described core (1) are Balsa wood, paulownia wood, China fir, oak, veneer, polyurethane foam, polyvinyl chloride foam or carbon foam.
6. temporary air station composite material road face shim plate according to claim 1, it is characterized in that the fiber layer of cloth that described panel (2) adopts comprises: single shaft to, twin shaft to or multiaxis to carbon fiber, glass fiber, aramid fiber or hybridization cloth, the resin that panel (2) adopts comprises: unsaturated polyester (UP), vinylite, epoxy resin or phenolic resins.
7. temporary air station composite material road face shim plate according to claim 1, when it is characterized in that described backing plate assembly unit, the negative and positive of adjacent backing plate connect butt joint mutually, be brick form, pass bolt hole (10) by bolt (11) each piece backing plate is connected and fixed, form the road face in opportunity airfield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200383076U CN201050029Y (en) | 2007-06-18 | 2007-06-18 | Temporary airfield composite material road surface base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200383076U CN201050029Y (en) | 2007-06-18 | 2007-06-18 | Temporary airfield composite material road surface base plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050029Y true CN201050029Y (en) | 2008-04-23 |
Family
ID=39336511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200383076U Expired - Fee Related CN201050029Y (en) | 2007-06-18 | 2007-06-18 | Temporary airfield composite material road surface base plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050029Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528988A (en) * | 2011-12-20 | 2012-07-04 | 四川兴达明科机电工程有限公司 | Process for manufacturing bearing pad on surface of sensor |
| CN103452027A (en) * | 2013-09-16 | 2013-12-18 | 南京工业大学 | Composite material backing plate |
| CN105691630A (en) * | 2016-01-27 | 2016-06-22 | 陈小燕 | Integrated blanket for aircraft to take off from or land on snowfield |
| CN111501468A (en) * | 2020-04-27 | 2020-08-07 | 广东中帆建设有限公司 | Fabricated road structure and construction process |
| CN114571749A (en) * | 2022-01-24 | 2022-06-03 | 国电联合动力技术有限公司 | Three-dimensional reinforced prefabricated part of wind power blade and preparation method thereof |
-
2007
- 2007-06-18 CN CNU2007200383076U patent/CN201050029Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528988A (en) * | 2011-12-20 | 2012-07-04 | 四川兴达明科机电工程有限公司 | Process for manufacturing bearing pad on surface of sensor |
| CN103452027A (en) * | 2013-09-16 | 2013-12-18 | 南京工业大学 | Composite material backing plate |
| CN105691630A (en) * | 2016-01-27 | 2016-06-22 | 陈小燕 | Integrated blanket for aircraft to take off from or land on snowfield |
| CN111501468A (en) * | 2020-04-27 | 2020-08-07 | 广东中帆建设有限公司 | Fabricated road structure and construction process |
| CN114571749A (en) * | 2022-01-24 | 2022-06-03 | 国电联合动力技术有限公司 | Three-dimensional reinforced prefabricated part of wind power blade and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI BOHONG ENERGY-SAVING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NANJING UNIVERSITY OF TECHNOLOGY Effective date: 20120926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210009 NANJING, JIANGSU PROVINCE TO: 200040 JING AN, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120926 Address after: 3905, room 200040, SOHO, Donghai Plaza, 299 Tongren Road, Shanghai, Jingan District Patentee after: SHANGHAI BOHONG ENERGY-SAVING TECHNOLOGY Co.,Ltd. Address before: 210009 Nanjing City, Jiangsu Province, the new model road No. 5 Patentee before: Nanjing Tech University |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20150618 |
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| EXPY | Termination of patent right or utility model |