CN100480007C - Production method of cutting die - Google Patents
Production method of cutting die Download PDFInfo
- Publication number
- CN100480007C CN100480007C CNB2006100331048A CN200610033104A CN100480007C CN 100480007 C CN100480007 C CN 100480007C CN B2006100331048 A CNB2006100331048 A CN B2006100331048A CN 200610033104 A CN200610033104 A CN 200610033104A CN 100480007 C CN100480007 C CN 100480007C
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- Prior art keywords
- cutting die
- cutting
- blade
- die plate
- preparation
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- 238000005520 cutting process Methods 0.000 title claims description 197
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000013138 pruning Methods 0.000 claims 1
- 238000003698 laser cutting Methods 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007688 edging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a die-cut knife mold and making method, which is characterized by the following: loading the die-cut blade on the knife mold board; displaying inclined plane among the joint of die-cut blades; coinciding the inclined plane tightly; joining the knife; setting the reinforced part under the joint part; inserting the blade and reinforced part in the knife mold board. The invention supports limits and protects the joint die-cut blade, which improves key part strength, precision, lifetime and product quality of knife mold board.
Description
Technical field
The present invention relates to a kind of preparation method of cutting die.
Background technology
Cutting die mainly is made up of cross cutting blade and cutting die plate, performance with mould and cutter, laminar raw material can be cut off or extrude folding vestige, concave-convex effect etc., the scope of application is extensive, can be used for all kinds of thin plates and the sheeting such as insulation board, leather of printed matter, plastic cement thin plate, electronic product.In the printing packaging industry, cross cutting is essential later process, its using method be with the cutting die clamping in the cross cutting sheet frame anchor clamps of die-cutting machine, the running by die-cutting machine is transported to the cross cutting platform with product, the cutting die pressurized is with the product die cutting moulding.The precision of cutting die has determined the quality of die cutting product, and precision is high more, and the quality of product is just good more behind the cross cutting.
The cutting die sheet material that uses in this field is the wooden many squeegees plywood or the composite plate of resin fibre and elastic force resin combination at present, adopts the method for laser cutting to process dress cutter linear slit, the blade of packing into then on sheet material.Cutter linear slit width is generally little 0.02～0.04 millimeter than blade thickness, when being installed, blade rely on external force that blade is pressed in the dress cutter seam, make the clamped and anticreep of blade, but the dress cutter seam surface of laser cutting leaves the carbon dust layer, increasing dress cutter seam with use and number of changing knife broadens, folder cutter dynamics can reduce, and particularly crossover location is more obvious, can swing at this locational blade during cross cutting.Simultaneously in the process of cross cutting, cutting die is done high-frequency reciprocating motion in equipment, cross cutting blade back pressurized, blade is cut on product, and the work top of product bottom is the base plate of high rigidity, so the stressed upright position of departing from of blade meeting, and the dress cutter seam surface of extruding cutting die plate makes dress cutter linear slit become big gradually.Cause the blade run-off the straight and out of plumb also has with the reason that is cut product surface: because wooden die cutting plate base material or other sheet material are because of making moist or location mode is improper deforms, when laser machine cutting dress cutter seam, produce dress cutter seam and be not orthogonal to the cutting die plate, cause back blade run-off the straight is installed.Blade tilts and to cause the blade vertical height to diminish, and the blade connection separates, and the place that should cut off be can't cut, and perhaps cuts off reluctantly and the otch section is crooked, problems such as paper silk, paper hair occur, has a strong impact on product quality.
Plugging in the cutting die between the blade is essential, adopts the method for blade and blade overlap joint in the past industry always, causes the durability of blade and mould-cutting precision poor than the integral knife blade of other positions, influences cross cutting quality and cutting die service life.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of cutting die, the technical problem that solve is to improve blade the plug into precision and the intensity of position, increases cutting die service life, improves institute's converted products quality.
The present invention is by the following technical solutions: a kind of preparation method of cutting die may further comprise the steps: one, adopt the method for machining to obtain the inclined-plane of plugging into of the required angle of plugging into of cross cutting blade; Two, blade is docked with the inclined-plane of plugging into of blade, the knife edge is engaged, form required cross cutting angle; Three, the blade bottom after will plugging into limits and is arranged in the reinforcement, is interference fits; Four, reinforcement is embedded with blade be arranged on the cutting die plate, be and closely cooperate.
The position that reinforcement is installed on the cutting die plate of the present invention cuts out the installation site in advance.
Cutting die plate of the present invention be two-layer or two-layer more than, adopt bonding mode to form needed cutting die plate thickness.
When the reinforcement position is installed in cutting die plate cutting of the present invention, adopt from the method for every layer of positive and negative two sides cutting dress cutter seam.
Before cutting die plate cutting dress cutter seam of the present invention back, reinforcement and blade embed the cutting die plate, carry out bonding to double-deck or two-layer above cutting die plate.
Before cutting die plate cutting dress cutter seam of the present invention back, reinforcement and blade embed the cutting die plate, individual layer, the two-layer or two-layer above cutting die plate in bonding back are carried out bound edge.
Bonding after bound edge material of the present invention and the fusion of die cutting plate edge employing resin particle glue.
The equipment of bound edge of the present invention is full-automatic or semi-automatic taping machine.
Bound edge resin material width of the present invention is greater than the cutting die plate thickness, and bonding back taping machine will be pruned above the bound edge material of cutting die plate thickness automatically.
The method of the machining that the inclined-plane of blade connection of the present invention adopts is grinding or line cutting processing.
The position that blade after plugging into is installed on the monoblock type reinforcement of the present invention cuts out the installation site in advance.
The present invention compared with prior art, connection between the cross cutting blade is the inclined-plane, its butt joint back, inclined-plane tight connecting, the knife edge engages, the connection bottom is arranged in the reinforcement, blade after plugging into is limited in the reinforcement, reinforcement embeds with blade and is arranged in the cutting die plate, the position of cross cutting blade does not change in the cross cutting process, play support to the cross cutting blade of plugging into, spacing and protective effect, improve the key position intensity of cutting die plate, thereby improve the cutting die precision, life-span, improve the converted products quality, wooden die cutting plate or compound die cutting plate are adopted the resin material bound edge, prevent that effectively the cutting die plate is because of being subjected to humidity, variations in temperature, the distortion that reason produces such as deposit, beautify outward appearance; The method that adopts two-sided or multiaspect cutting dress cutter to be stitched into the compound die cutting plate for demanding cutting die improves precision, thereby further improves the quality of products.
Description of drawings
Fig. 1 is the prior art cutting die blade schematic diagram of plugging into.
Fig. 2 is the plug into sectional view of method of Fig. 1.
Fig. 3 is an A portion enlarged drawing among Fig. 2.
Fig. 4 is cutting die embodiment blade of the present invention (one) schematic diagram of plugging into.
Fig. 5 is a B portion enlarged drawing among Fig. 4.
Fig. 6 is the cutting die embodiment blade of the present invention vertical view of plugging into.
Fig. 7 is cutting die embodiment blade of the present invention (two) schematic diagram of plugging into.
Fig. 8 is a C portion enlarged drawing among Fig. 7.
Fig. 9 is a cutting die embodiment bound edge schematic diagram of the present invention.
Figure 10 is the vertical view behind the cutting die embodiment bound edge of the present invention.
Figure 11 is a D portion enlarged drawing among Figure 10.
Figure 12 is the sectional view behind the wooden die-cutting rule template cutting of the cutting die embodiment of the present invention dress cutter seam.
Figure 13 is the sectional view after the cutting dress cutter of cutting die embodiment two-layer compound die-cutting rule template of the present invention stitches.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
As shown in Figure 1, the cross cutting blade of cutting die refutes that to connect be that blade 2 is installed in the side of a straight knife sheet 1.As shown in Figures 2 and 3, be after blade 2 is plugged into blade 1 and have the cantilever-shaped of gap, fracture damage takes place in stressed through thousands of times in the cross cutting process often, has influence on quality, cost and the production cycle of producing product.For guaranteeing that material is cut off, the knife edge side of blade 2 and blade 1 is matched just can reach best effect, so the blade angle of plugging into has relatively high expectations, relevant equipment, mould also just requires higher, however this and be not easy to accomplish.
As Fig. 4, Fig. 5 and shown in Figure 6, after plugging into, the cross cutting blade is cross-shaped, blade 1,2,3,4 end need be worn into an angle of 90 degrees respectively according to plugging into, article four, be cross-shaped after the blade butt joint, cross-shaped blade is limited at reinforcement 5,6,7, in 8, blade connection bottom and reinforcement are interference fits, reinforcement is installed on the cutting die plate 9 with blade, reinforcement and cutting die plate closely cooperate, reinforcement thickness is lower than the height of blade, the cross cutting blade of this method butt joint can guarantee that knife edge summit engages, and guarantees during cross cutting that material is cut off.
As shown in Figure 7 and Figure 8, article three, when blade is plugged into, be positioned at the blade 10 on both sides, 12, half cutting angle of pressing the cross cutting angle respectively is to the highest summit of the knife edge, blade 11 in the middle of being positioned at according to the cross cutting angle at knife edge both sides cutting angle, after the cutting inclined-plane is docked, after plugging into like this, the knife edge links to each other, can form sharp keen wedge angle, guarantee that processed material is cut off, the cross cutting blade bottom after plugging into is loaded in the reinforcement 13, and blade connection bottom and reinforcement are interference fits, the shape that reinforcement 13 is installed insert groove is made according to the cross cutting angle and the knife number of blade, be embedded in the cutting die plate 14 after blade is installed, reinforcement and cutting die plate closely cooperate, and support and the blade of fixedly plugging into.
The present invention adopts machining process such as grinding or discharge processing, each bar blade is processed the angle of plugging into according to needed cross cutting angle, soon the vertical truncation surface of blade changes into along blade thickness and is processed into the inclined-plane, the inclined-plane arrives till the knife edge summit, the inclined-plane of blade is connected, after being plugged into, blade forms required cross cutting angle, can make the complete butt joint of the knife edge after blade is plugged into like this, adopt the connection of this method blade no longer to have the gap, the blade connection no longer ruptures, the knife edge engages problems such as bad.Simultaneously, for each blade that makes the inclined-plane butt joint can closely engage, increase the installation reinforcement on every side in blade connection bottom, the blade after plugging into is limited in the reinforcement, reinforcement embeds with blade and is arranged on the cutting die plate, and the position of cross cutting blade does not change in the cross cutting process.Because reinforcement thickness is lower than blade height; in the course of the work; the not direct pressurized of reinforcement; when cross cutting blade pressurized departs from the upright position; its active force can be applied on the reinforcement; the intensity of reinforcement is higher than the intensity of cutting die plate; stressed back is difficult for producing distortion and damage; play support to the cross cutting blade of plugging into; spacing and protective effect improves the key position intensity of cutting die plate, thus the quality and the service life of having improved cutting die; guarantee the crudy of product; reduced in the operating process because of engaging the bad damage that causes between the blade; links such as tool changing have promptly been saved cost, also increase work efficiency simultaneously.
In cutting die, the angle of plugging into of cross cutting blade decide according to the quantity of blade of plugging into, and blade docks sometimes becomes right-angled intersection, is that two or three cutter lines are plugged into into special angle sometimes.
Need cut out the installation site in advance at the position of cutting die plate installation reinforcement in the cutting die manufacturing process of the present invention, reinforcement can closely be inlayed wherein, play the local effect of strengthening and limiting blade position of die-cutting rule template, can when laser machine cutting dress cutter linear slit, finish synchronously.Reinforcement can adopt metal or nonmetallic materials to make, and for fixing product type, the angle of need plugging into is roughly some kinds of specific specifications, therefore can formulate industry standard, produces in batches, reduces production costs, and it is all very convenient to assemble maintenance.
The present invention can guarantee that the knife edge after blade is plugged into accurately docks, closely links to each other, keeps plugging into invariant position, and blade is located difficult swing to support than large tracts of land by reinforcement.Strengthen the blade durability, improve the key position intensity of cutting die plate, thereby improve cutting die precision, life-span.
As shown in Figure 9, be surrounded by the limit around the wooden die-cutting rule template 9, resin bound edge material 15 is shaped as coiled strip or strip material, width is the 22-26 millimeter, more bigger than cutting die plate 9 thickness, 2～3 millimeters of thickness have cut the cutting die plate 9 that the dress cutter stitches, bound edge adhesive glue material is a graininess molten resin glue 17, adopts full-automatic or semi-automatic melten gel taping machine during bound edge.Bound edge is finished automatically by equipment, send plate, send the bound edge material, molten resin glue, bonding, cut-out, front and back edging, Ping Xiu, refine up and down up and down, scrapes limit, polishing.For semiautomatic equipment, above-mentioned steps can be repeated in every limit; Full-automatic taping machine can disposablely be finished.As shown in figure 10, the cutting die plate 9 behind the bound edge has edging layer all around, and cutting die plate and dress cutter seam actual size can be determined as required.
As shown in figure 11, the common thickness of bound edge material of cutting die plate is 2～3 millimeters, and the color of material can be determined according to customer requirements, if adopt semi-automatic taping machine, then be trimmed to fillet, as finishing for full-automatic taping machine in edges and corners, then fillet forms naturally, can omit this step.
Common cutting die material is many squeegees plywood, price is lower, durability is relatively poor, because the tissue looseness of wooden boards, Si Zhou truncation surface particularly, easily because of wet environment absorbs the water in air distribution shape of changing, be subjected to the influence of surrounding environment and bend, differential expansion distortion etc. influences service life; Laser cutting has stayed the carbon dust layer of black for the cutting die panel edges, influence the presentation quality of cutting die plate, therefore wooden die-cutting rule template cuts out dress cutter seam by size after, increase the bound edge operation, make the cutting die plate around seal by resin material, prevent that the cutting die plate from too much absorbing humid air and deforming, make that also the outward appearance of cutting die plate is more attractive in appearance, the life-span of cutting die and precision all are improved.
As shown in figure 12, general cutting die plate is when cutting dress cutter seam, and because of various situations produce deflection, its deflection d1 as shown in FIG. unavoidably.If the cutting die plate thickness is reduced by half, then deflection reduces by half with thickness and reduces approximately half.As shown in figure 13, when the cutting die plate is made up of doubling plate, upper strata cutting die plate 9-1 begins to carry out laser cutting dress cutter seam from upper surface, and the cutting die plate 9-2 of lower floor up cuts dress cutter seam from the bottom surface, in the cutting cutting die plate 9-2 of the lower floor process, the pattern document turnover of cutting upper strata cutting die plate 9-1 promptly need be done mirror image, align two blocks of cutting die plates bonding then.Like this, the deflection d2 of dress cutter seam has reduced half, and the position of blade in dress cutter seam is more accurate, and blade is more accurate with respect to the perpendicularity of cutting die plate.Moreover, this method can make when cutting be hidden in inside away from the laser crude one side of cutter seam of getting one's things ready, and makes profile exquisite more attractive in appearance.In like manner, the composite plate that multi-layer sheet is formed, dress cutter seam precision will be higher, can adopt the form of multiple layer combination plate as required.By above improvement to the cutting die preparation method, the production technology, the precision that make cutting die make industry have had further raising.
General cutting die adopts the lamina of desired thickness directly to cut out dress cutter seam and makes, but because the factors such as distortion of laser cutting process or cutting die sheet material itself, might be in the seam of the dress cutter after the part produces cutting deflection, this will cause the cutting die precision to reduce, for this reason, for the higher cutting die of required precision, adopt the method control dress cutter seam precision of two-sided or multiaspect cutting dress cutter seam, make it vertical and cutting die plate.The common thickness of die-cutting rule template is 18 millimeters, the dress cutter seam that adopts laser cutting to go out can produce deflection with respect to monoblock cutting die board plane, the appearance of this situation will cause blade pack into out of plumb and cutting die plate behind the cutting die plate, also just be not orthogonal to the product that is cut during cross cutting, influence cross cutting quality and cutting die life-span; In addition, in the cutting die plate front of laser cutting, presentation quality is good, and from the another side of laser beam cutting die plate far away, the otch of dress cutter seam is more crude.Therefore under the situation that mould-cutting precision is had relatively high expectations, lower the thickness of die-cutting rule template, die cutting plate changed into cut dress cutter seam seam respectively by 2 layers 9 millimeters plate and be bonded, and respectively by positive and negative cutting dress cutter seam, the deflection of dress cutter seam is reduced by half, and the double-edged dress cutter seaming and cutting mouth of cutting die plate is all very attractive in appearance.
Claims (11)
1. the preparation method of a cutting die may further comprise the steps: one, adopt the method for machining to obtain the inclined-plane of plugging into of the required angle of plugging into of cross cutting blade; Two, blade is docked with the inclined-plane of plugging into of blade, the knife edge is engaged, form required cross cutting angle; Three, the blade bottom after will plugging into limits and is arranged in the reinforcement, is interference fits; Four, reinforcement is embedded with blade be arranged on the cutting die plate, be and closely cooperate.
2. the preparation method of cutting die according to claim 1 is characterized in that: the position that reinforcement is installed on the described cutting die plate cuts out the installation site in advance.
3. the preparation method of cutting die according to claim 2 is characterized in that: described cutting die plate be two-layer or two-layer more than, adopt bonding mode to form needed cutting die plate thickness.
4. the preparation method of cutting die according to claim 3 is characterized in that: when the reinforcement position is installed in described cutting die plate cutting, adopt from the method for every layer of positive and negative two sides cutting dress cutter seam.
5. the preparation method of cutting die according to claim 4 is characterized in that: before described cutting die plate cutting dress cutter seam back, reinforcement and blade embed the cutting die plate, carry out bonding to double-deck or two-layer above cutting die plate.
6. the preparation method of cutting die according to claim 5 is characterized in that: before described cutting die plate cutting dress cutter seam back, reinforcement embed the cutting die plate with blade, individual layer, bonding back bilayer or two-layer above cutting die plate are carried out bound edge.
7. the preparation method of cutting die according to claim 6 is characterized in that: bonding after described bound edge material and the fusion of die cutting plate edge employing resin particle glue.
8. the preparation method of cutting die according to claim 7, it is characterized in that: described equipment for wrapping is full-automatic or semi-automatic taping machine.
9. the preparation method of cutting die according to claim 8 is characterized in that: described bound edge resin material width is greater than the cutting die plate thickness, and bonding back taping machine will surpass the bound edge material pruning of cutting die plate thickness automatically.
10. the preparation method of cutting die according to claim 9 is characterized in that: the method for the machining that the inclined-plane of described blade connection adopts is grinding or line cutting processing.
11. the preparation method of cutting die according to claim 10 is characterized in that: the position that the blade after plugging into is installed on the described monoblock type reinforcement cuts out the installation site in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100331048A CN100480007C (en) | 2006-01-16 | 2006-01-16 | Production method of cutting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100331048A CN100480007C (en) | 2006-01-16 | 2006-01-16 | Production method of cutting die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1803414A CN1803414A (en) | 2006-07-19 |
| CN100480007C true CN100480007C (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100331048A Expired - Fee Related CN100480007C (en) | 2006-01-16 | 2006-01-16 | Production method of cutting die |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101067161B1 (en) * | 2010-01-06 | 2011-09-22 | 대구텍 유한회사 | Cutting inserts for internal grooving and toolholders for them |
| CN102248557A (en) * | 2011-04-06 | 2011-11-23 | 昆山市三和兴激光刀模有限公司 | Novel manufacturing process of cutting die |
| TW201302404A (en) * | 2011-07-07 | 2013-01-16 | Jyh-Chyang Hwang | Steel rule die assembly and manufacture thereof |
| CN111633763B (en) * | 2020-06-03 | 2021-10-26 | 浙江茂林竹木工艺有限公司 | Bamboo sheet corner cutting machine for bamboo summer sleeping mat |
| CN111993661B (en) * | 2020-08-25 | 2022-07-15 | 烟台正海科技股份有限公司 | Laminating forming method of explosion-proof film for touch screen |
| CN112123449A (en) * | 2020-09-11 | 2020-12-25 | 浙江凯实激光科技股份有限公司 | Die cutting plate with mortise and tenon plug-in blade assembly and eagle-mouth-free butt joint blade assembly |
| CN113305939B (en) * | 2021-04-22 | 2023-03-31 | 东莞市益松数控科技有限公司 | Composite cutter template and preparation method thereof |
-
2006
- 2006-01-16 CN CNB2006100331048A patent/CN100480007C/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 制作平压平模切板. 刘尊忠.中国包装报，第6期. 2001 |
| 制作平压平模切板. 刘尊忠.中国包装报，第6期. 2001 * |
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| CN1803414A (en) | 2006-07-19 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yue Wohing Laser Mould (Shenzhen) Company Limited Assignor: Jiang Hexing Contract record no.: 2011990000864 Denomination of invention: Production method of cutting die Granted publication date: 20090422 License type: Exclusive License Open date: 20060719 Record date: 20110905 |
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Effective date of registration: 20180814 Address after: 515000 Jinhu West Road, Shantou, Shantou, Guangdong Patentee after: Shantou and Xinlong laser knife mold Co., Ltd. Address before: 518117 B17 building, first Labor Industrial Zone, Baoan District West Township, Shenzhen, Guangdong Patentee before: Jiang Hexing |
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| 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: 20090422 Termination date: 20210116 |