CN201259778Y - Compression mold device for manufacturing double layer blue light CD - Google Patents
Compression mold device for manufacturing double layer blue light CD Download PDFInfo
- Publication number
- CN201259778Y CN201259778Y CNU2008201320632U CN200820132063U CN201259778Y CN 201259778 Y CN201259778 Y CN 201259778Y CN U2008201320632 U CNU2008201320632 U CN U2008201320632U CN 200820132063 U CN200820132063 U CN 200820132063U CN 201259778 Y CN201259778 Y CN 201259778Y
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- disc
- dynamic model
- center pit
- cover half
- blue light
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Abstract
The utility model provides a die mold device used for fabricating a double-layer blue compact disc. A stationary mold device is threaded in a central hole of a blue disc sheet on which a first information layer is molded, and adsorbs the disc sheet; glue used for forming second information layer pit lines is coated on the first information layer; a moveable mold device is threaded in a central hole of a master disc provided with a second information layer and absorbs the master disc; the moveable mold device is controlled to drive the master disc to move towards the stationary mold device until the moveable mold device contacts with the stationary mold device and is threaded into the central hole of the disc sheet; the central hole of the disc sheet is enabled to be concentric with the central hole of the master disc; the second information layer is pressed onto the glue and then the glue is solidified. During the pressing process of the die mold device, the centers of the master disc and the disc sheet are concentric all the time, which ensures that the first information layer and the second information layer of the compact disc are precisely concentric after the disc sheet and the master disc are pressed together, thereby improving readability of the compact disc.
Description
Technical field
The utility model relates to a kind of compression mold device that forms the optical data carrier Information Level, especially for the compression mold device that forms double-deck BD blue light disk second layer Information Level.
Background technology
The structure of BD (Blue-ray Disc, Blu-ray Disc) is 1.1mm substrate+0.1mm protective seam.When making double-deck BD Blu-ray Disc, at first produce 1.1mmBD blue light substrate with first information layer by the injection moulding and the sputtering process of standard, on the first information layer of BD substrate, be coated with the glue that does not also have curing that last layer can be used for forming second Information Level hole line then thinly, compress the mould that extrudes the second Information Level pit, make it that sclerosis back mold removal take place, on the BD substrate, just formed second Information Level.The last protective seam that forms thick 0.1mm has more just obtained complete BD blue light disk.
When pressing forms second Information Level of BD disc, be the mould that has Information Level that the information of stamper copies in second Information Level of BD disc fully, just need provide accurate press fit device.And in the prior art when pressing, be difficult to make stamper and BD disc substrates center to keep accurately concentric, thereby make second Information Level of pressing formation and the center decentraction of the two-layer information of first information layer, cause reading optical disc information.
In addition, in prior art pressing process, also there is following defective: be difficult to accurately control the pressing degree of depth; When pressing, be easy to generate bubble; And the distortion that causes stamper and BD disc because UV (Ultraviolet Rays, ultraviolet light) solidifies heat radiation.These all cause correctly reading optical disc information.
The utility model content
The utility model provides the compression mold device of making double-deck BD blue light disk, comprise: the cover half device, penetrate the center pit of the BD blue light disk of molded first information layer, and adsorb described disc, on described first information layer, coat the glue that is used to form second Information Level hole line; The dynamic model device penetrates the center pit of the stamper that has second Information Level, and adsorbs described stamper; Control device, controlling described dynamic model device drives described stamper and moves to described cover half device, contact and penetrate the center pit of described disc up to described dynamic model device and described cover half device, make the center pit of described disc concentric, and described second Information Level is pressed on the described glue with described stamper center pit; And the UV device, solidify described glue.
In addition, described dynamic model device can push the described cover half device with compression structure, and described dynamic model device is penetrated into the center pit of described disc, and described dynamic model device to penetrate the diameter of part of center pit identical with the diameter of described disc center pit; The part that perhaps will penetrate described stamper center pit is socketed in the outside that described cover half device penetrates the part of disc center pit, and described dynamic model device to penetrate the diameter of part of center pit identical with the diameter of described disc center pit.
In addition, described control device is by the position measuring described dynamic model device and move and the deviation of desired location, and adjusts the movement position of described dynamic model device according to described deviation.
In addition, described control device can also be controlled the balance and the horizontal level of dynamic model device motion.
In addition, can also comprise: be arranged on the chamber wall on the described cover half device, and be arranged on the chamber wall on the described dynamic model device, contact the back and form seal chamber with chamber wall on being arranged on described cover half device, and form vacuum chamber by vacuumizing the back.
In addition, can also comprise: thermostat, detect the temperature of described stamper and described disc, and the adjustment of described stamper and described disc arrived the thermostat temperature of setting.
In addition, can also comprise: the cooling device that cools off described UV device.
Compared with prior art, when the utility model forms double-deck BD blue light disk second Information Level in pressing, can when pressing, keep the centres of stamper and BD disc substrates, thereby BD disc the 1st, 2 Information Levels that reach after the pressing are accurately concentric, improved the readability of disc.
Whole pressing process is to carry out under vacuum environment in the utility model, has avoided the generation of disc bubble, thereby has improved the yield rate of disc.
The utility model passes through the design thermostat, makes that whole pressing process is to carry out under constant temperature, has avoided because of UV solidifies the possibility that heat radiation causes the disc distortion, and carry out operation under isoperibol, can improve the uninterrupted working time and the stability of device.
Description of drawings
Fig. 1 illustrates the stamping method process flow diagram of making double-layer blue light disk in the utility model.
Fig. 2 illustrates the stamping method process flow diagram of making double-layer blue light disk in another embodiment of the utility model.
Fig. 3 illustrates the method flow diagram of control bonding accurcy in the utility model.
Fig. 4 illustrates the method flow diagram of avoiding producing bubble in the utility model.
Fig. 5 illustrates the method flow diagram that prevents the disc distortion in the utility model.
Fig. 6 illustrates the compression mold device structural drawing of making double-layer blue light disk in the utility model.
Fig. 7 illustrates the equipment structure chart of control bonding accurcy in the utility model.
Fig. 8 illustrates the equipment structure chart of avoiding producing bubble in the utility model.
Fig. 9 illustrates the equipment structure chart that prevents the disc distortion in the utility model.
Figure 10 illustrates the compression mold device embodiment that the utility model is made double-layer blue light disk.
Embodiment
Fig. 1 illustrates the stamping method of making double-deck BD blue light disk in the utility model, by the center positioning mechanism of design fixed half and moving half, to guarantee the centres of stamper and disc.This method comprises the steps:
In step 110, the cover half device is penetrated the center pit of the BD blue light disk of molded first information layer, and adsorb described disc, on first information layer, coat the glue that can be used for forming second Information Level hole line.
In step 120, the dynamic model device is penetrated the center pit of the stamper that has second Information Level, and adsorb described stamper.
In step 130, control described dynamic model device and drive described stamper and move to described cover half device, contact and penetrate the center pit of described disc up to described dynamic model device and described cover half device, make the center pit of described disc concentric with described stamper center pit.
In step 140, press to described second Information Level on the described glue and solidify described glue.
Come pressing to form double-deck BD blue light disk second Information Level with this method, can when pressing, keep the centres of stamper and BD disc substrates, thereby the BD disc first information layer and second Information Level that reach after the pressing are accurately concentric, improved the readability of disc.
Fig. 2 illustrates the stamping method of making double-deck BD blue light disk in another embodiment of the utility model.In step 130, described dynamic model device is penetrated the center pit of described disc, and make the center pit and the concentric step of described stamper center pit of described disc, can finish by following operation.
The cover half device is made compressible formula structure, when the dynamic model device when the cover half device moves, the extruding have the compression structure the cover half device, up to the center pit that the dynamic model device is penetrated into disc.At this moment, stamper and disc all position with the dynamic model device, because the dynamic model device is high concentricity part, therefore, being positioned the stamper of this part and the concentricity of disc can be guaranteed.
Described dynamic model device can be to be in different planes by the cover half device is expressed to disc, be about to disc and break away from described cover half device, thereby disc directly is socketed on the dynamic model device, and promptly to penetrate the diameter of part of center pit identical for the diameter of disc center pit and dynamic model device.Also can be that cover half device and dynamic model device are combined as a whole, and the part that makes the dynamic model device penetrate the stamper center pit is socketed in the outside that the cover half device penetrates the part of disc center pit, be socketed on the dynamic model device thereby realize disc carried out the transition to, this moment the disc center pit diameter and dynamic model device to penetrate the diameter of part of center pit identical.Wherein, described dynamic model device can be the structure of band tapering convex, also can be to be other structures on plane with cover half device surface of contact, described plane be shaped as circle, ellipse, triangle, square, trapezoidal, polygon etc.
Certainly, described cover half device also can adopt non-compression structure, and the part that can penetrate the dynamic model device stamper center pit this moment is socketed in the outside that the cover half device penetrates the part of disc center pit.Certainly, those skilled in the art also can expect other implementation.
In embodiment of the present utility model, described mode just is used to illustrate the utility model, should not understand restriction of the present utility model.Those skilled in the art should be out of shape and revise in view of the above accordingly, but all should cover in the protection domain of this claim.
Fig. 3 illustrates the method flow diagram of control bonding accurcy in the utility model.In step 130, carry out the operation of control bonding accurcy in the following manner.But described operation is not limited to this, and those skilled in the art should make other distortion and modification in view of the above, all should cover in this claim protection domain.
Measure the position that described dynamic model device moves and the deviation of desired location, and adjust the movement position of described dynamic model device, so that accurately control the positional precision of pressing according to described deviation.Preferably, when described dynamic model device with after described cover half device contacts, control described dynamic model device and slowly move, to penetrate the center pit of described disc.Such as, finish by synchronous band and screw drive cooperation.The measuring accuracy of described control device can reach 0.001mm, is preferably clock gauge.
In addition, when the position that the described dynamic model device of control moves, can also control the balance and consistent horizontal level of dynamic model device motion simultaneously.Such as, finish by the cooperation of guide rod and screw rod, by moving up and down of guide rod guiding dynamic model device, guarantee the balance and consistent horizontal level of dynamic model device motion, and move up and down by screw drive drive dynamic model device.
Fig. 4 illustrates the method flow diagram that the utility model avoids producing bubble.In step 130, when described dynamic model device contacts with described cover half device, also comprise following operation:
Described dynamic model device and cover half device are formed an annular seal space, vacuumize the formation vacuum chamber, avoid producing bubble thus, thereby improved the yield rate of disc by the mouth of pipe.
Fig. 5 illustrates the method flow diagram that prevents the disc distortion in the utility model.In step 140, solidify the operation of described glue, also comprise: detect the temperature of described stamper and described disc, and the adjustment of described stamper and described disc is arrived the thermostat temperature of setting,, prevent the disc distortion with the optimum condition solidified glue.And under isoperibol, carry out operation, can improve the uninterrupted working time and the stability of device.
According to the compression mold device of making double-deck BD blue light disk that provides on the other hand of the present utility model, the structural drawing of this equipment comprises as shown in Figure 6: cover half device, dynamic model device, control device and UV device.
The center pit of the BD blue light disk that the cover half device penetrates first information layer molded, and adsorb described disc, on first information layer, coat the glue that can be used for forming second Information Level hole line.The dynamic model device penetrates the center pit of the stamper that has second Information Level, and adsorbs described stamper.Control device is controlled described dynamic model device and is driven described stamper and move to described cover half device, contact and penetrate the center pit of described disc up to described dynamic model device and described cover half device, make the center pit of described disc concentric, and described second Information Level is pressed on the described glue with described stamper center pit.The UV device solidifies described glue.
In embodiment of the present utility model, described dynamic model device can penetrate the center pit of described disc in the following manner, but described mode just is used to illustrate the utility model, should not understand restriction of the present utility model.Those skilled in the art should be out of shape and revise in view of the above accordingly, but all should cover in the protection domain of this claim.
Described cover half device can have the compression structure, when the dynamic model device when the cover half device moves, the extruding have the compression structure the cover half device, up to the center pit that the dynamic model device is penetrated into disc.Stamper and disc all position with the dynamic model device, because the dynamic model device is high concentricity part, therefore, being positioned the stamper of this part and the concentricity of disc can be guaranteed.Wherein, described dynamic model device can be the structure of band tapering convex, also can be to be other structures on plane with cover half device surface of contact, described plane be shaped as circle, ellipse, triangle, square, trapezoidal, polygon etc.Described dynamic model device can be to be in different planes by the cover half device is expressed to disc, is about to disc and breaks away from described cover half device, thereby disc directly is socketed on the dynamic model device.Also can be that cover half device and dynamic model device are combined as a whole, and the part that makes the dynamic model device penetrate the stamper center pit be socketed in the outside that the cover half device penetrates the part of disc center pit, be socketed on the dynamic model device thereby realize disc carried out the transition to.
Certainly, described cover half device also can adopt non-compression structure, and the part that can penetrate the dynamic model device stamper center pit this moment is socketed in the outside that the cover half device penetrates the part of disc center pit.Certainly, those skilled in the art also can expect other implementation.
In embodiment of the present utility model, described control device can be carried out the dynamic model device in the following manner and move to the cover half device, but described mode just is used to illustrate the utility model, should not understand restriction of the present utility model.Those skilled in the art should be out of shape and revise in view of the above accordingly, but all should cover in the protection domain of this claim.
Described control device can be by measuring the position that described dynamic model device moves and the deviation of desired location, and adjust the movement position of described dynamic model device according to described deviation.In addition, when described control device penetrates the center pit of described disc at the described dynamic model device of control, can drive described dynamic model device and move slowly.Such as, finish by synchronous band and screw drive cooperation.Described control device is preferably clock gauge.
In addition, when described control device contacts with described cover half device at the described dynamic model device of control, can control the balance and consistent horizontal level of dynamic model device motion simultaneously.Such as, finish by the cooperation of guide rod and screw rod, by the motion of guide rod guiding dynamic model device, guarantee the balance and consistent horizontal level of dynamic model device motion, and drive the motion of dynamic model device by screw drive.
Fig. 7 illustrates the equipment structure chart of avoiding producing bubble in the utility model, also comprises: be arranged on the chamber wall on the described dynamic model device, and be arranged on the chamber wall on the described cover half device.
Describedly be arranged on the chamber wall on the described dynamic model device and be arranged on chamber wall on the described cover half device, contact the back with described cover half device at described dynamic model device and form seal chamber, and, avoid producing bubble thus, thereby improved the yield rate of disc by vacuumizing back formation vacuum chamber.
Fig. 8 illustrates the equipment structure chart that prevents the disc distortion in the utility model, also comprise: thermostat is used to detect the temperature of described stamper and described disc, and the adjustment of described stamper and described disc is arrived the thermostat temperature of setting, with the optimum condition solidified glue, prevent the disc distortion.Under isoperibol, carry out operation, can improve equipment uninterrupted working time and stability.The preferred waterway pipe of described thermostat provides thermostatted water to keep the constant temperature of press moulding mechanism by waterway pipe.
Fig. 9 illustrates the equipment structure chart of cooling UV device in the utility model, and also comprise: cooling device is used to cool off described UV device.Can be by constantly sending cold wind so that reach the effect of cooling UV lamp to the UV device.Perhaps other modes that can expect by those skilled in the art are cooled off described cooling device, so that UV lamp operate as normal, guaranteeing that pressing mold is working properly carries out.
Describe the embodiment of the utility model compression mold device in detail below in conjunction with Figure 10.
The cover half device comprises: adsorption hole 2, vacuum pipe 4, centralized positioning axle 3, transparency silica glass 12, briquetting 22, base 23, fixed mechanism 24, jackscrew 26 and latch mechanism 25.The dynamic model device comprises: locating shaft core 6, vacuum pipe 7, guide rod 8, screw rod 10, be with 17 synchronously, screw rod 18, vacuum pipe 13, Constant-temp. pipeline 20 and control device 15,19.
The molded BD blue light substrate 1 of first information layer, after crossing the glue that also not have curing that one deck can be used for forming second Information Level hole line, spin coating is placed on the adsorption hole 2 of cover half, adsorption hole 2 is the holes that are evenly distributed on the quartz glass 12, come the sorption disc by negative pressure of vacuum, wherein vacuum pipe 4 is used for providing negative pressure of vacuum to adsorption hole 2.When regulating cover half device levelness, can unclamp fixed screw 24, adjusting jackscrew 26 is adjusted levelness, locks again after adjustment is finished to get final product.
The center pit that the locating shaft core 6 of dynamic model device penetrates stamper mould stamper 5 positions, and stamper 5 is adsorbed on the locating shaft core 6 by vaccum suction pipe 7.Whole dynamic model device moves downward along guide rod 8 under drive unit drives, and wherein drive unit is a driving source with servomotor 9 preferably, by screw rod 10 transmissions.Stop to descend when the dynamic model device drops to the position of setting, the chamber wall 11 of dynamic model device forms a seal chamber with the briquetting 22 of cover half device, transparency silica glass 12 and base 23, vacuumizes by vacuum pipe 13, finally forms a vacuum chamber 14.Wherein, briquetting is used for pressing quartz glass; Base is used for carrying quartz glass and briquetting.The locating shaft of cover half device, briquetting, quartz glass, base are assembled into an overall fixed on fixed mechanism, and by fixed mechanism the cover half device are fixed on the equipment substrate 27.
Wherein, whether the dynamic model device down to the position of setting, can by control device preferably clock gauge 15 test the position of decline and the deviation of desired location, and can adjust the position that moves up and down of dynamic model device according to deviation.After forming vacuum cavity, the beginning fine motion under drive unit drives of dynamic model device is downward, and wherein drive unit is a driving source with servomotor 16 preferably, by synchronous band transmission 17 and screw rod 18 transmissions.In this process, drive stamper 5 and centralized positioning axle core 6 together down, when moving downward certain distance, the centralized positioning axle 3 of the locating shaft 6 contact cover half devices of dynamic model device, because locating shaft 3 is compressible formula, when the dynamic model device continued to move downward, its locating shaft 6 was depressed locating shaft 3, penetrates the disc center simultaneously.At this moment, all with centralized positioning axle 6 location, because centralized positioning axle 6 is high concentricity part, therefore, being positioned the stamper of this part and the concentricity of disc can be guaranteed for stamper and disc.
In this process, the information of stamper 5 is pressed on the glue layer of BD blue light substrate 1, and whether the degree of depth of pressing this moment reaches desired location, and availability control unit preferably clock gauge 19 is measured.When the dynamic model device is worked up and down,, regulate the distance that the dynamic model device moves up and down by regulating the revolution of servomotor.After the pressing, the UV lamp 21 of opening installation under substrate 27, UV lamp 21 is fixing by UV holder 28, and provides cooling air by cooling device 29, to reduce the temperature of UV lamp.See through 12 pairs of BD blue light disks of transparency silica glass glue and be cured, inflate by 13 pairs of cavitys of vacuum pipe after finishing, the BD blue light disk after the taking-up pressing.
In the overall process that press moulding mechanism starts, thermostat and cooling device 29 are all in running; Wherein, the preferred waterway pipe 20 of thermostat provides thermostatted water to keep the constant temperature of press moulding mechanism by thermostat.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (7)
1. make the compression mold device of double-layer blue light disk, comprising:
The cover half device penetrates the center pit of the blue light disk of molded first information layer, and adsorbs described disc, coats the glue that is used to form second Information Level hole line on described first information layer;
The dynamic model device penetrates the center pit of the stamper that has second Information Level and adsorbs described stamper;
The UV device solidifies described glue;
It is characterized in that, also comprise:
Control device, controlling described dynamic model device drives described stamper and moves to described cover half device, contact and penetrate the center pit of described disc up to described dynamic model device and described cover half device, make the center pit of described disc concentric, described second Information Level is pressed on the described glue with described stamper center pit.
2. make the compression mold device of double-layer blue light disk according to claim 1, wherein:
The described cover half device that the extruding of described dynamic model device has the compression structure penetrates into the center pit of described disc with described dynamic model device, and described dynamic model device to penetrate the diameter of part of center pit identical with the diameter of described disc center pit; The part that perhaps will penetrate described stamper center pit is socketed in the outside that described cover half device penetrates the part of disc center pit, and described dynamic model device to penetrate the diameter of part of center pit identical with the diameter of described disc center pit.
3. make the compression mold device of double-layer blue light disk according to claim 1, wherein:
Described control device is by the position measuring described dynamic model device and move and the deviation of desired location, and adjusts the movement position of described dynamic model device according to described deviation.
4. make the compression mold device of double-layer blue light disk according to claim 1, wherein:
Described control device is also controlled the balance and the horizontal level of described dynamic model device motion.
5. make the compression mold device of double-layer blue light disk according to claim 1, also comprise:
Be arranged on the chamber wall on the described cover half device, and
Be arranged on the chamber wall on the described dynamic model device, be used for be arranged on described cover half device on the chamber wall contact the back and form seal chamber, and form vacuum chamber by vacuumizing the back.
6. make the compression mold device of double-layer blue light disk according to claim 1, also comprise: thermostat, detect the temperature of described stamper and described disc, and the adjustment of described stamper and described disc arrived the thermostat temperature of setting.
7. make the compression mold device of double-layer blue light disk according to claim 1, also comprise: the cooling device that cools off described UV device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201320632U CN201259778Y (en) | 2008-08-04 | 2008-08-04 | Compression mold device for manufacturing double layer blue light CD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201320632U CN201259778Y (en) | 2008-08-04 | 2008-08-04 | Compression mold device for manufacturing double layer blue light CD |
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| Publication Number | Publication Date |
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| CN201259778Y true CN201259778Y (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201320632U Expired - Fee Related CN201259778Y (en) | 2008-08-04 | 2008-08-04 | Compression mold device for manufacturing double layer blue light CD |
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| CN (1) | CN201259778Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113353A1 (en) * | 2010-03-19 | 2011-09-22 | 东莞宏威数码机械有限公司 | Blue-ray disk stamping equipment |
-
2008
- 2008-08-04 CN CNU2008201320632U patent/CN201259778Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113353A1 (en) * | 2010-03-19 | 2011-09-22 | 东莞宏威数码机械有限公司 | Blue-ray disk stamping equipment |
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Legal Events
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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: Henan Kairui Digital Co., Ltd. Assignor: Dongguan Hongwei Digital Machinery Co., Ltd. Contract fulfillment period: 2009.11.20 to 2017.11.19 Contract record no.: 2010410000007 Denomination of utility model: Compression mold device for manufacturing double layer blue light CD Granted publication date: 20090617 License type: Exclusive license Record date: 20100126 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.11.20 TO 2017.11.19; CHANGE OF CONTRACT Name of requester: HENAN KAIRUI DIGITAL CO., LTD. Effective date: 20100126 |
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| EM01 | Change of recordation of patent licensing contract |
Change date: 20121227 Contract record no.: 2010410000007 Assignee after: Henan Kerry Digital Co., Ltd. Assignee before: Henan Kairui Digital Co., Ltd. |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: HE'NAN KERRY DIGITAL CO., LTD. Free format text: FORMER OWNER: DONGGUAN HONGWEI DIGITAL MACHINERY CO., LTD. Effective date: 20130701 |
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Free format text: CORRECT: ADDRESS; FROM: 523081 DONGGUAN, GUANGDONG PROVINCE TO: 455000 ANYANG, HENAN PROVINCE |
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