CN202683908U - Disc spring type upper anvil clamping, rotating, and quick-changing device pull-down type forging press - Google Patents
Disc spring type upper anvil clamping, rotating, and quick-changing device pull-down type forging press Download PDFInfo
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- CN202683908U CN202683908U CN 201220315316 CN201220315316U CN202683908U CN 202683908 U CN202683908 U CN 202683908U CN 201220315316 CN201220315316 CN 201220315316 CN 201220315316 U CN201220315316 U CN 201220315316U CN 202683908 U CN202683908 U CN 202683908U
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- anvil
- upper anvil
- forging press
- pull bar
- clamping
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Abstract
The utility model belongs to the technical field of forging equipment and discloses a disc spring type upper anvil clamping, rotating, and quick-changing device of a pull-down type forging press. The disc spring type upper anvil clamping, rotating, and quick-changing device of the pull-down type forging press at least comprises a disc spring type upper anvil clamping mechanism and an upper anvil rotating mechanism, and is fixed on an upper beam centre line, wherein the system is fixedly connected with a forging press upper beam. The upper anvil clamping mechanism at least comprises an upper anvil pressing down cylinder, a T-shaped pull rod, a disc spring set, a piston, a second nut, a sliding block, a support seat, and a gear with a key, wherein a T-shaped head end portion of the T-shaped pull rod is installed in a groove of an upper anvil connecting seat, and the T-shaped head end portion reciprocates up and down along a centre line of the upper anvil pressing down cylinder. The T-shaped pull rod is further provided with a gear with a key. The upper anvil rotating mechanism comprises a rack type piston rod arranged in an upper anvil rotating oil cavity in the system. The rack type piston rod is meshed with the gear with the key. According to the disc spring type upper anvil clamping, rotating, and quick-changing device of the pull-down type forging press, the three functions of upper anvil clamping, upper anvil rotating, and upper anvil quick-changing of the forging press are organically combined.
Description
Technical field
The utility model belongs to forging equipment technology field, is a kind of for anvil clamping, rotation and fast replacing device on the disk spring type of pull-down forging press.
Background technology
Existing pull-down forging press mostly is three beams, two pole structures.The press frame that is comprised of upper beam, underbeam and column pumps along the guider of built-in beam, realizes forging function.Upper beam lower surface center is equipped with anvil backing plate and upper anvil.Because the needs of Forging Technology, carrying out jumping-up, when pulling out, falling the Forging Technology such as circle, bending, alignment, usually needing to realize the rotation of anvil and need the different types of upper anvil of frequent especially.Existing pull-down forging press need to arrange at four angles of putting the beams in place anvil clamping, quick-changing mechanism on four groups, could realize that single upper anvil clamps, quick change function, but can't realize the function of anvil rotation.These apparatus structures are complicated, and the bulk that takies is huge, and the parts that relate to are a lot, make, install and the maintenance inconvenience, and equipment failure rate is high, has a strong impact on production efficiency; Simultaneously because the setting of these devices, greatly improved the complexity of press design, serious weakening the forging press intensity of putting the beams in place, shortened service life of press.The realization of upper anvil clamping, rotation and quick change function has become one of important symbol of forging press modernization level.
Simultaneously, the pull-down forging press is when work, and operating rate is fast, and the action frequency is high, forges the precision height, and conversion time is short, forges eccentric force the press part life is had a great impact, and anvil and upper anvil backing plate fit tightly in the requirement, reduce collision.
The utility model content
The purpose of this utility model provides a kind of for anvil clamping, rotation and fast replacing device on the disk spring type of pull-down forging press, it adopts the integrative-structure design to realize that anvil clamps on the forging press, upper anvil rotates and the combination of upper these three kinds of functions of anvil quick change, and it is simple in structure easy to use.
The technical solution of the utility model is: be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device, it is characterized in that: it is comprised of anvil clamp mechanism and upper anvil rotating mechanism on the dish spring group formula at least, and be fixedly mounted on the upper beam center line of forging press, native system is put the beams in place with forging press and is fixedly connected with; Upper anvil clamp mechanism comprises that at least anvil depresses cylinder, T-shaped pull bar, dish spring group, piston, the second nut, slide block, supporting base and band key gear, the T connector end of T-shaped pull bar is installed in the groove of anvil Connection Block, and depress the cylinder center line along upper anvil and pump, also be provided with band key gear on the T-shaped pull bar; Upper anvil rotating mechanism is to be provided with the rack-and-pinion piston rod in the upper anvil rotation oil pocket of native system, and rack-and-pinion piston rod and the engagement of band key gear drive T-shaped pull bar and make 90 ° of crankmotions.
On the described dish spring group formula anvil clamp mechanism it comprise that anvil depresses cylinder, T-shaped pull bar, piston, clutch shaft bearing, band key gear, the second bearing, slide block, dish spring group, supporting base and the second fairlead; Piston is arranged on anvil and depresses the upper anvil of cylinder and depress in the oil pocket, and can move up and down, the end of T-shaped pull bar is fixedly connected with piston, T-shaped pull bar passes clutch shaft bearing, band key gear, the second bearing, slide block, dish spring group, supporting base and the second fairlead after connecting piston successively, and by the second nut that they are fastening; Supporting base is seated on the forging press upper beam; The first fairlead is put the beams in place with forging press by bolt and is fixedly connected with, and the second fairlead is put the beams in place with forging press by the 3rd attachment screw and is fixedly connected with.
One of described dish spring group is sat up straight and is dropped on the supporting base, and the other end is pressed on the slide block; The decrement of the second nut control dish spring group makes by regulating the second nut that anvil and upper anvil backing plate fit tightly on the forging press.
A boss is arranged at the bottom that described upper anvil is depressed cylinder, and upper anvil is depressed cylinder and is fixedly connected with the forging press upper beam with the first nut by double-screw bolt.
Described rack-and-pinion piston rod is along the center line movement of upper anvil rotation oil pocket.
Characteristics of the present utility model are:
1, anvil clamp mechanism on the special-purpose dish spring group formula is set, guaranteed in forging press moves up and down frequently on the combining closely of anvil and upper anvil backing plate, the inertia when having overcome simultaneously upper anvil motion reduces the collision in the motion.
2, be provided with the anvil rotating mechanism, can be when forging workpiece while forging the school, the energy has been saved in the oxidation loss when the minimizing forging heats again.
3, have upper anvil quick change function, when the upper and lower anvil contact of forging press, depress the method that oil pocket leads to hydraulic oil by the anvil that makes progress, make T-shaped pull bar break away from upper anvil Connection Block, and drive anvil to be changed, the quick-replaceable of anvil in the realization by lower anvil mobile device.
Description of drawings
Below in conjunction with embodiment the utility model is further described.
Fig. 1 is that embodiment 1 is used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device and forging press syndeton schematic diagram;
Fig. 2 is clamping, the rotating mechanism schematic diagram of embodiment 2 dish spring group forms;
Fig. 3 is the A-A profile among Fig. 2;
Fig. 4 realizes upper anvil quick change function schematic diagram.
Among the figure: 101, be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device; 102, double-screw bolt; 103, the first nut; 104, put the beams in place; 105, key; 106, upper anvil backing plate; 107, the first attachment screw; 108, four equally distributed keys; 109, upper anvil Connection Block; 110, the second attachment screw; 111, upper anvil; 112, lower anvil; 201, upper anvil is depressed cylinder; 202, the second nut; 203, piston; 204, clutch shaft bearing; 205, band key gear; 206, rack-and-pinion piston rod; 207, the second bearing; 208, the first fairlead; 209, connecting bolt; 210, slide block; 211, dish spring group; 212, T-shaped pull bar; 213, supporting base; 214, the second fairlead; 215, the 3rd attachment screw; 301, the key of gear; 401, need the upper anvil Connection Block of replacing; 402, need the upper anvil of replacing; 403, need the lower anvil of replacing; 404, lower anvil mobile device; I, upper anvil are depressed oil pocket; Anvil rotation oil pocket on the A, first; Anvil rotation oil pocket on the B, second.
The specific embodiment
Embodiment 1
As shown in Figure 1, be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device 101 are installed in forging press upper beam 104 by double-screw bolt 102, the first nut 103 center.
Upper anvil backing plate 106 104 links together by key 105, the first attachment screw 107 with putting the beams in place.Upper anvil 111 links together by the second attachment screw 110 with upper anvil Connection Block 109.Four equally distributed keys 108 are set between upper anvil 111 and the upper anvil backing plate 106.
The T connector end that is used for the T-shaped pull bar 212 of anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device 101 is installed in the groove of anvil Connection Block 109, so that upper anvil 111 bottom surfaces and upper anvil backing plate 106 fit tightly together.
Embodiment 2
As shown in Figures 2 and 3, upper anvil is depressed cylinder 201 and is put the beams in place by double-screw bolt 102, the first nut 103 and forging press and 104 link together.
Adopt the upper anvil clamp mechanism of dish spring group form, T-shaped pull bar 212 links together by the second nut 202 and piston 203, clutch shaft bearing 204, the second bearing 207, band key gear 205, slide block 210, dish spring group 211 and supporting base 213, has guaranteed the uniformity of T-shaped pull bar 212 and the upper and lower motion of other parts.
The bottom of depressing cylinder 201 at upper anvil processes a boss, piston 203 is moved downward the effect of playing the limit journey.
The setting of clutch shaft bearing 204 and the second bearing 207, so that T-shaped pull bar 212 and band key gear 205 be in rotation process, piston 203, slide block 210, dish spring group 211 keep static, have reduced the wearing and tearing between the parts.
The first fairlead 208 is installed in by connecting bolt 209 and puts the beams in place on 104, for the upper and lower motion of slide block 210 provides guiding.
Supporting base 213 is seated on the upper beam 104.
The second fairlead 214 is installed in by the 3rd attachment screw 215 and puts the beams in place on 104, for the upper and lower motion of T-shaped pull bar 212 provides guiding.
With the key 301 that gear is set between key gear 205 and the T-shaped pull bar 212, guaranteed the uniformity of both rotations.In upper anvil is depressed the upper anvil rotation oil pocket of cylinder 201, arrange one with the rack-and-pinion piston rod 206 that is meshed with key gear 205, can rotating band key gear 205 and T-shaped pull bar 212 rotate.
To have realized upper anvil clamping, the rotation of upper anvil and upper this three functions of anvil quick change by following mode in the practical operation:
1, the realization of upper anvil clamping function:
The pull-down forging press is in the work engineering, operating rate is fast, the action frequency is high, the forging precision is high, conversion time is short, and forge eccentric force the press part life is produced a very large impact, this just needs upper anvil 111 closely to be connected with upper anvil backing plate 106, the collision of anvil 111 and upper anvil backing plate 106 or crack in the minimizing.
The utility model arranges the anvil clamp mechanism specially, by regulating the second nut 202, can change the decrement of dish spring group 211, so that dish spring group 211 upwards promotes the parts such as slide block 210, band key gear 205, piston 203, T-shaped pull bar 212 always, then the T connector end face of T-shaped pull bar 212 upwards promotes upper anvil Connection Block 109 always, upper anvil 111 links together by screw 110 with upper anvil Connection Block 109, so that upper anvil 111 is pressed on the anvil backing plate 106 always.Thereby guaranteed to put the beams in place 104 frequently in the upper and lower reciprocating motion process at press, upper anvil 111 fits tightly together with upper anvil backing plate 106, effectively overcome the motion inertia force of upper anvil 111 itself, collision in the minimizing between anvil 111 and the upper anvil backing plate 106 or crack, improve the kinematic accuracy of upper anvil 111, guaranteed the dimensional accuracy of forging; Also guarantee simultaneously the contact area of upper anvil 111 and upper anvil backing plate 106, improved the stressing conditions of each parts of forging press, the service life of having improved press.
2, the realization of upper anvil spinfunction:
Because the needs of Forging Technology, the particularly alignment of bar or elongated forging, the utility model is provided with the anvil rotating mechanism, in forging process, high temperature bar or elongated forging occur bending and deformation easily, are provided with the anvil whirligig, can be in the hot following school, limit of forging, thereby reduce the forging heating times, reduce the oxidation consume of forging, energy savings.
When forging press upper beam 104 was positioned at the operating position, upper anvil 111 fitted tightly together with upper anvil backing plate 106; The upper anvil that upper anvil is depressed cylinder 201 is depressed the oil pocket I and is passed into high-voltage oil liquid, pushing piston 203 overcomes dish spring group 211 compression stresses and moves downward, then T-shaped pull bar 212, the second nut 202, gear 205, slide block 210 and clutch shaft bearing 204, the second bearing 207 etc. move down together, because T connector end face and the upper anvil Connection Block 109 of T-shaped pull bar 212 link together, upper anvil 111 also moves down, above anvil 111 bottom surfaces this moments throw off with the key 108 that is installed on upper anvil backing plate 106 surfaces; Then, upper anvil is depressed the upper anvil rotation oil pocket A feed liquor of cylinder 201, upper anvil rotation oil pocket B discharge opeing, thereby drive rack-and-pinion piston rod 206 along the center line movement of upper anvil rotation oil pocket, 206 driven wheels 205 of rack-and-pinion piston rod are rotated counterclockwise, because T-shaped pull bar 212 is connected by key 301 with gear 205, T-shaped pull bar 212 closely is connected with upper anvil Connection Block 109, upper anvil 111 links together again with upper anvil Connection Block 109, and then T-shaped pull bar 212 together rotates 90 ° with upper anvil 111; Going up afterwards anvil depresses the upper anvil of cylinder 201 and depresses the discharge opeing of oil pocket I, 211 elongations of dish spring group, pushing piston 203, T-shaped pull bar 212, gear 205 etc. move up, T-shaped pull bar 212 drives simultaneously anvil Connection Block 109 and moves up with upper anvil 111, go up at last anvil 111 bottom surfaces again with upper anvil backing plate 106 close contacts; Thereby finish the function of anvil rotation.Anvil 111 can half-twist in forging process, and productivity ratio that can the Effective Raise press reduces workman's labour intensity, energy savings.
3, the realization of upper anvil quick change function:
Because the diversity of forging ' s block dimension and shape may need simultaneously forging to be carried out jumping-up, pulls out, falls circle, bending, cut-out etc.; Modern factory management also requires forging press itself can realize automation, alleviates workman's labour intensity, and this just needs forging press that the anvil quick change function is set.
As shown in Figure 4, for the utility model is realized upper anvil quick change function schematic diagram, anvil 111 on forging press, when the anvil face of lower anvil 112 contacts, the upper anvil that upper anvil is depressed cylinder 201 is depressed the oil pocket I and is passed into high-voltage oil liquid, pushing piston 203 overcomes dish spring group 211 compression stresses and moves downward, drive T-shaped pull bar 212, the second nut 202, gear 205, slide block 210 and clutch shaft bearing 204, the second bearing 207 grades move down together, because upper anvil 111 is positioned on the lower anvil 112, so, along with T-shaped pull bar 212 continues to move down, its T connector end face separates with upper anvil Connection Block 109.Then, upper anvil is depressed the upper anvil rotation oil pocket A feed liquor of cylinder 201, upper anvil rotation oil pocket B discharge opeing, thus drive rack-and-pinion piston rod 206 along the center line movement of upper anvil rotation oil pocket.206 driven wheels 205 of rack-and-pinion piston rod are rotated counterclockwise, because T-shaped pull bar 212 is connected by key 301 with gear 205, T-shaped pull bar 212 can rotate 90 °.Upper anvil is depressed the upper anvil of cylinder 201 and is depressed the discharge opeing of oil pocket I, 211 elongations of dish spring group, and pushing piston 203, T-shaped pull bar 212, gear 205 etc. move up.Then, forging press upper beam 104 moves upward, until T-shaped pull bar 212 breaks away from anvil Connection Block 109 fully.Then, promoting lower anvil (112 and 403) by lower anvil mobile device 404 is moved to the left, can to move to 104 centers of upper beam be the heart among the T-shaped pull bar 212 so that be positioned in advance upper anvil 402 that the needs on the lower anvil 403 change, and upper anvil 111 and lower anvil 112 shift out the heart among the moving beam 104.Press upper beam 104 moves downward, until upper anvil backing plate 106 and the upper anvil 402 bottom surfaces applying that needs to change.Subsequently, the upper anvil that upper anvil is depressed cylinder 201 is depressed the oil pocket I and is passed into high-voltage oil liquid, promotes T-shaped pull bar 212 grades and moves down, until T-shaped pull bar 212 stretches among the anvil Connection Block 401 fully.Then, upper anvil is depressed the upper anvil rotation oil pocket B feed liquor of cylinder 201, upper anvil rotation oil pocket A discharge opeing, and rack-and-pinion piston rod 206 driven wheels 205 and T-shaped pull bar 212 clockwise rotate 90 °.Upper anvil is depressed the upper anvil of cylinder 201 and is depressed the discharge opeing of oil pocket I, 211 elongations of dish spring group, pushing piston 203, T-shaped pull bar 212, gear 205 etc. move up, T-shaped pull bar 212 again with upper anvil Connection Block 401 close contacts, and then the upper anvil 402 of need changing also can fit tightly with upper anvil backing plate 106.At this moment, press upper beam 104 can drive anvil 402 upper and lower reciprocating motions, carries out normal hammered work.Anvil quick change function in the realization has greatly reduced non-cutting time of free forging press hammered work, has improved automaticity and labor productivity, has reduced workman's labour intensity.
Described lower anvil mobile device 404 is by Driven by Hydraulic Cylinder, and the left end face of hydraulic cylinder piston rod is equipped with a hook-type part; Lower anvil 112 also is hook-shape structure with the both sides of the lower anvil 403 that needs to change.The mutual joining of hook-shape structure in the hook-shape structure on lower anvil 112 right sides and lower anvil 403 left sides of need changing needs the hook-shape structure on lower anvil 403 right sides changed and the mutual joining of hook-type part in lower anvil mobile device 404 left sides.When the hydraulic cylinder piston rod of anvil mobile device 404 stretches out instantly, the hook-type part promotion in its left side needs its right end face of the lower anvil 403 of replacing, the hook-shape structure in the left side of the lower anvil 403 that need change promotes its right end face of lower anvil 112, thereby anvil 112 is mobile to the left with the lower anvil 403 that needs to change under realizing; When the hydraulic cylinder piston rod of anvil mobile device 404 is retracted instantly, the hook-type part in its left side spurs the hook-shape structure on lower anvil 403 right sides that need replacing to the right, need the hook-shape structure in lower anvil 403 left sides of replacing to spur the hook-shape structure on lower anvil 112 right sides to the right, and then realize that lower anvil 112 and the lower anvil 403 that needs replacing move right.Lower anvil mobile device 404 is one of forging press independently important component part, and it and upper anvil clamping, rotation and quick-change system cooperatively interact, to realize lower anvil quick change function.
The parts that present embodiment is not described in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not one by one narration.
Claims (5)
1. be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device, it is characterized in that: it is comprised of anvil clamp mechanism and upper anvil rotating mechanism on the dish spring group formula at least, and be fixedly mounted on the upper beam center line of forging press, native system is fixedly connected with forging press upper beam (104); Upper anvil clamp mechanism comprises that at least anvil depresses cylinder (201), T-shaped pull bar (212), dish spring group (211), piston (203), the second nut (202), slide block (210), supporting base (213) and band key gear (205), the T connector end of T-shaped pull bar (212) is installed in the groove of anvil Connection Block (109), and depress cylinder (201) center line along upper anvil and pump, also be provided with band key gear (205) on the T-shaped pull bar (212); Upper anvil rotating mechanism is to be provided with rack-and-pinion piston rod (206) in the upper anvil rotation oil pocket of native system, and rack-and-pinion piston rod (206) and band key gear (205) engagement drive T-shaped pull bar (212) and make 90 ° of crankmotions.
2. be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device described in according to claim 1, it is characterized in that: on the described dish spring group formula anvil clamp mechanism it comprise that anvil depresses cylinder (201), T-shaped pull bar (212), piston (203), clutch shaft bearing (204), band key gear (205), the second bearing (207), slide block (210), dish spring group (211), supporting base (213) and the second fairlead (214); Piston (203) is arranged on anvil and depresses the upper anvil of cylinder (201) and depress in the oil pocket (I), and can move up and down, the end of T-shaped pull bar (212) is fixedly connected with piston (203), T-shaped pull bar (212) passes clutch shaft bearing (204), band key gear (205), the second bearing (207), slide block (210), dish spring group (211), supporting base (213) and the second fairlead (214) after connecting piston (203) successively, and by the second nut (202) that they are fastening; Supporting base (213) is seated on the forging press upper beam (104); The first fairlead (208) is fixedly connected with by bolt and forging press upper beam (104), and the second fairlead (214) is fixedly connected with by the 3rd attachment screw (215) and forging press upper beam (104).
3. be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device described in according to claim 2, it is characterized in that: one of described dish spring group (211) is sat up straight and is dropped on the supporting base (213), and the other end is pressed on the slide block (210); The decrement of the second nut (202) control dish spring group (211) fits tightly anvil on the forging press (111) and upper anvil backing plate (106) by regulating the second nut (202).
4. be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device described in according to claim 2, it is characterized in that: a boss is arranged at the bottom that described upper anvil is depressed cylinder (201), and upper anvil is depressed cylinder (201) and is fixedly connected with by double-screw bolt (102) and the first nut (103) and forging press upper beam (104).
5. be used for anvil clamping on the disk spring type of pull-down forging press, rotation and fast replacing device described in according to claim 1, it is characterized in that: described rack-and-pinion piston rod (206) is along the center line movement of upper anvil rotation oil pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315316 CN202683908U (en) | 2012-07-02 | 2012-07-02 | Disc spring type upper anvil clamping, rotating, and quick-changing device pull-down type forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315316 CN202683908U (en) | 2012-07-02 | 2012-07-02 | Disc spring type upper anvil clamping, rotating, and quick-changing device pull-down type forging press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683908U true CN202683908U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220315316 Withdrawn - After Issue CN202683908U (en) | 2012-07-02 | 2012-07-02 | Disc spring type upper anvil clamping, rotating, and quick-changing device pull-down type forging press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202683908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773395A (en) * | 2012-07-02 | 2012-11-14 | 中国重型机械研究院有限公司 | Disk spring type upper anvil clamping, rotating and rapid exchanging system for pull-down type forging press |
-
2012
- 2012-07-02 CN CN 201220315316 patent/CN202683908U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773395A (en) * | 2012-07-02 | 2012-11-14 | 中国重型机械研究院有限公司 | Disk spring type upper anvil clamping, rotating and rapid exchanging system for pull-down type forging press |
| CN102773395B (en) * | 2012-07-02 | 2015-01-28 | 中国重型机械研究院有限公司 | Disk spring type upper anvil clamping, rotating and rapid exchanging system for pull-down type forging press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710032 Shaanxi province Xi'an Weiyang Dongyuan Road No. 209 Patentee after: China National Heavy Machinery Research Institute Co., Ltd. Address before: 710032 Shaanxi province Xi'an Weiyang Dongyuan Road No. 209 Patentee before: China National Heavy Machinery Research Institute Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20150128 |
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| RGAV | Abandon patent right to avoid regrant |