CN205129714U - A instrument for dismantling piston rod - Google Patents
A instrument for dismantling piston rod Download PDFInfo
- Publication number
- CN205129714U CN205129714U CN201520770554.XU CN201520770554U CN205129714U CN 205129714 U CN205129714 U CN 205129714U CN 201520770554 U CN201520770554 U CN 201520770554U CN 205129714 U CN205129714 U CN 205129714U
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- Prior art keywords
- piston rod
- trapezoidal plate
- instrument
- dismantling
- cylinder
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Abstract
The utility model discloses an instrument for dismantling piston rod fixes first downthehole at a fixing device with the pneumatic cylinder, realizes fixed to the pneumatic cylinder, and the wire rope one end on the fixed pulley is connected with the shaft hole of piston rod, the other end and driving hook connect, and through the motion of driving lifting hook pulling wire rope, wire rope pulling piston rod moves, takes out in following the cylinder of pneumatic cylinder with the piston rod. After the cylinder is taken out to the tip of piston rod, a piston rod entering strutting arrangement's second is downthehole, a strutting arrangement is not only to piston rod played a supporting role, simultaneously play the guide effect to the motion of piston rod, a strutting arrangement makes the axis height of piston rod equal with the axis height of cylinder, avoid the in -process axis location that the piston rod was being taken out to take place the skew, thereby it leads to the emergence of the sealing member damage and the piston rod fish tail cylinder inner wall condition effectively to have avoided the tip of piston rod to bump with the cylinder.
Description
Technical field
The utility model relates to Machine Design and maintenance technique field, particularly a kind of instrument for dismantling piston rod.
Background technology
In the maintenance process of hydraulic cylinder, usually need piston rod to release from cylinder barrel, the seal damaging piston rod end in the extraction of piston rod and the situation scratching inner wall of cylinder are easy to occur, and use have an impact to the later stage of hydraulic cylinder.
Therefore, how to reduce in hydraulic cylinder maintenance process the generation of the situation damaged piston rod end seal and scratch inner wall of cylinder, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of instrument for dismantling piston rod, to reduce in hydraulic cylinder maintenance process the generation of the situation damaged piston rod end seal and scratch inner wall of cylinder.
For achieving the above object, the utility model provides following technical scheme:
For dismantling an instrument for piston rod, comprising:
Base;
Be fixed on the first fixture for the cylinder body of horizontal fixer cylinder pressure on described base, described first fixture be provided with the first hole coordinated with described hydraulic cylinder;
Being fixed on described base for supporting and first bracing or strutting arrangement of piston rod of the described hydraulic cylinder that leads, described first bracing or strutting arrangement being provided with the second hole coordinated with described piston rod, described second hole and described first hole coaxially arranged;
Be arranged on the fixed pulley on described base, the lower end height of described fixed pulley and the centre-height in described second hole contour, steel wire rope one end that described fixed pulley is arranged and the shaft hole matching of described piston rod, the other end of described steel wire rope is connected with travelling crane hook.
Preferably, above-mentioned for dismantling in the instrument of piston rod, the number of described first fixture is two.
Preferably, above-mentioned for dismantling in the instrument of piston rod, described first fixture is positioned at the two ends of described cylinder body.
Preferably, above-mentioned for dismantling in the instrument of piston rod, described first fixture comprises the first trapezoidal plate and the second trapezoidal plate, described first trapezoidal plate and described second trapezoidal plate are enclosed to form described first hole, described first trapezoidal plate and described second trapezoidal plate are bolted, and described first trapezoidal plate and described base are bolted.
Preferably, above-mentioned for dismantling in the instrument of piston rod, the side that described first trapezoidal plate and described second trapezoidal plate coordinate with described hydraulic cylinder is provided with rubber blanket.
Preferably, above-mentioned for dismantling in the instrument of piston rod, second fixture comprises the 3rd trapezoidal plate and the 4th trapezoidal plate, described 3rd trapezoidal plate and described 4th trapezoidal plate are enclosed to form described second hole, described 3rd trapezoidal plate and described 4th trapezoidal plate are bolted, and described 3rd trapezoidal plate is fixedly connected with described base.
Preferably, above-mentioned for dismantling in the instrument of piston rod, the side that described 3rd trapezoidal plate and described 4th trapezoidal plate coordinate with described piston rod is provided with described rubber blanket.
Preferably, above-mentioned for dismantling in the instrument of piston rod, the first spiral lift be connected with described 3rd trapezoidal plate, described base is provided with the first installing hole coordinated with described first spiral lift, described first spiral lift is bolted on described base.
Preferably, above-mentioned for dismantling in the instrument of piston rod, described fixed pulley is fixed on described base by the second spiral lift, and described base is provided with the second installing hole coordinated with described second spiral lift, described second spiral lift and described base are bolted.
Preferably, above-mentioned for dismantling in the instrument of piston rod, one end of described steel wire rope and described shaft hole matching is provided with suspension hook.
As can be seen from technique scheme, the instrument for dismantling piston rod that the utility model provides, comprise base, first fixture, first bracing or strutting arrangement and fixed pulley, first fixture, first bracing or strutting arrangement and fixed pulley are all arranged on base, hydraulic cylinder is fixed in the first hole of the first fixture, realize fixing hydraulic cylinder, steel wire rope one end on fixed pulley is connected with the axis hole of piston rod, the other end is connected with travelling crane hook, steel wire rope is pulled to move by travelling crane hook, and then steel wire rope pulls piston rod movement, piston rod is extracted out in the cylinder barrel of hydraulic cylinder.After the end of piston rod extracts cylinder barrel out, piston rod enters in the second hole of the first bracing or strutting arrangement, first bracing or strutting arrangement is not only played a supporting role to piston rod, guide effect is played to the motion of piston rod simultaneously, first bracing or strutting arrangement makes the axis height of piston rod equal with the axis height of cylinder barrel, avoid the position, process axis that piston rod is being extracted out to offset, thus effectively prevent the end of piston rod and cylinder barrel and collide and cause seal to damage and piston rod scratches the generation of inner wall of cylinder situation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front view of the instrument for dismantling piston rod that Fig. 1 provides for the utility model embodiment;
The top view of the instrument for dismantling piston rod that Fig. 2 provides for the utility model embodiment;
The sectional view in A-A face in Fig. 1 that Fig. 3 provides for the utility model embodiment;
The sectional view in B-B face in Fig. 1 that Fig. 4 provides for the utility model embodiment.
1, base, 2, hydraulic cylinder, 21, piston rod, the 3, first fixture, the 4, first bracing or strutting arrangement, 5, fixed pulley, 51, steel wire rope, the 6, first spiral lift, the 7, second spiral lift.
Detailed description of the invention
The utility model discloses a kind of instrument for dismantling piston rod, to reduce in hydraulic cylinder maintenance process the generation of the situation damaged piston rod end seal and scratch inner wall of cylinder.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 4, the front view of the instrument for dismantling piston rod that Fig. 1 provides for the utility model embodiment; The top view of the instrument for dismantling piston rod that Fig. 2 provides for the utility model embodiment; The sectional view in A-A face in Fig. 1 that Fig. 3 provides for the utility model embodiment; The sectional view in B-B face in Fig. 1 that Fig. 4 provides for the utility model embodiment.
The utility model discloses a kind of instrument for dismantling piston rod, comprising base 1, first fixture 3, second fixture 4 and fixed pulley.
Base 1 is mainly played a supporting role to the first fixture 3, second fixture 4 and fixed pulley 5, the movement of the instrument for dismantling piston rod is realized by movable base 1, thus do not need to reinstall the instrument for dismantling piston rod, the hand labor intensity of the instrument installed for dismantling piston rod can be reduced to a certain extent.In the process of producing base 1, need the upper surface level ensureing base 1, by level meter, it is carried out to the measurement of levelness, and process according to measurement result.
Be fixed on the first fixture 3 for the cylinder body of horizontal fixer cylinder pressure 2 on base 1, first fixture 3 is provided with the first hole coordinated with hydraulic cylinder 2, the cylinder body of hydraulic cylinder 2 is fixed in the first hole of the first fixture 3, realize fixing the level of hydraulic cylinder 2, namely, after fixedly completing, hydraulic cylinder 2 is parallel with the upper surface of base 1;
Be fixed on base 1 for supporting the first bracing or strutting arrangement 4 with the piston rod 21 of guiding hydraulic cylinder 2, first bracing or strutting arrangement 4 is provided with the second hole coordinated with piston rod 21, second hole and the first hole coaxially arranged, first bracing or strutting arrangement 4 supports and guide effect 21, piston rod after piston rod 21 is extracted out, first bracing or strutting arrangement 4 makes the axis of piston rod 21 and cylinder body on the same line, thus ensure that the direction of motion of piston rod 21 when extracting out is identical with angle with direction of motion during its work with movement angle, thus can avoid the damage of piston rod 21 end seal and the generation scratching inner wall of cylinder situation,
Be arranged on the fixed pulley 5 on base 1, the lower end height of fixed pulley 5 and the centre-height in the second hole contour, steel wire rope 51 one end that fixed pulley 5 is arranged and the shaft hole matching of piston rod 21, the other end of steel wire rope 51 is connected with travelling crane hook, drive steel wire rope 51 to pull piston rod 21 to move by travelling crane hook, fixed pulley 5 and steel wire rope 51 play the effect of transmitting power.
The instrument of the dismounting piston rod that this programme provides, its power-equipment is travelling crane hook, one end that steel wire rope 51 is connected with travelling crane hook is mutually vertical with one end that piston rod 21 is connected with steel wire rope 51, the steel wire rope 51 be connected with piston rod 21 is horizontal wire rope, can pull piston rod 21 horizontal movement.
The specific works step of the instrument for dismantling piston rod that this programme provides is as follows:
Hydraulic cylinder 2 is fixed in the first fixture 3, makes hydraulic cylinder 2 horizontally disposed:
Be connected with the piston rod 21 of hydraulic cylinder 2 through the second hole steel wire rope 51 one end, travelling crane hook drives piston rod 21 horizontal movement until extracted out completely in cylinder barrel by piston rod 21.
Preferably, in the process of design, the distance between the first bracing or strutting arrangement 4 and the piston rod 21 of hydraulic cylinder 2 is 3-5cm.
In the process that piston rod 21 is extracted out, the direction of motion of piston rod 21 is identical with the axis direction of piston rod 21, the axis hole end of piston rod 21 enters the first bracing or strutting arrangement 4 through the second hole, now play a supporting role to the two ends of piston rod 21 in cylinder body and the second hole simultaneously, effectively avoid piston rod 21 that the inclination in off-axis direction occurs in the process of motion; After piston rod 21 extracts cylinder barrel out completely, the first bracing or strutting arrangement 4 still can play effective supporting role to piston rod 21, now needs staff, with hand, piston rod 21 is taken out the first bracing or strutting arrangement 4.
Cylinder body and piston rod 21 coaxially arranged, first hole and the second hole coaxially arranged, first hole coordinates with the outer wall dimension of hydraulic cylinder 2, second hole coordinates with the outer wall dimension of piston rod 21, after hydraulic cylinder 2 fixedly completes, the axis of hydraulic cylinder 2 and piston rod 21 all with the dead in line in the first hole and the second hole, and the lower end height of fixed pulley 5 is equal with the centre-height in the second hole, namely the steel wire rope 51 be connected with axis hole and the dead in line of piston rod 21, ensure the power on piston rod 21 of being applied to also with the axis of hydraulic cylinder 2 on the same line, the axis of the axis of piston rod 21 and hydraulic cylinder 2 can be ensured all the time on the same line in the process of twitching, thus effectively ensure that the inclination in offset axis direction can not occur piston rod 21 in the process of twitching.
What this programme provided replaces dismantling piston rod manually by plant equipment for the instrument dismantling piston rod, the seal caused due to employee's maloperation can be effectively avoided to damage or scratch inner wall of cylinder, reduce hand labor intensity on the one hand, reduce the spoilage of oil cylinder on the other hand.
In order to ensure the fixed effect to hydraulic cylinder 2, the number of the first fixture 3 is two, can play fixation to the point of two on hydraulic cylinder 2, avoids the position that hydraulic cylinder 2 occurs in the process of twitching piston rod 21 to move.
In order to play stable fixing object to the two ends of the first fixture 3; first fixture 3 is positioned at the two ends of cylinder body; not only serve the object of fixing the first fixture 3, bed knife can be evenly distributed on the two ends of hydraulic cylinder 2 simultaneously, play the object of protection hydraulic cylinder 2.
In order to optimize technique scheme further, in a specific embodiment of the present utility model, first fixture 3 comprises the first trapezoidal plate and the second trapezoidal plate, first trapezoidal plate and the second trapezoidal plate are enclosed to form the first hole, now the inner wall shape in the first hole is hexagonal structure, can be fixed the cylinder body of the hydraulic cylinder 2 of sizes, improve the versatility of the first fixture 3;
First trapezoidal plate is bolted on base 1, the connection of the first trapezoidal plate and the second trapezoidal plate is with bolts, in the process of installing, first the first trapezoidal plate is fixed on base 1, then hydraulic cylinder 2 is placed in the groove of the first trapezoidal plate, finally the first trapezoidal plate is fixedly connected with the second trapezoidal plate, hydraulic cylinder 2 is pressed between the first trapezoidal plate and the second trapezoidal plate; First the bolt on the first trapezoidal plate and the second trapezoidal plate is turned in the process of dismounting, take off the second trapezoidal plate, then hydraulic cylinder 2 is taken off, finally the first trapezoidal plate is removed from base 1.
In order to avoid causing damage to the outer wall of hydraulic cylinder 2 in the process compressing hydraulic cylinder 2; the side that first trapezoidal plate and the second trapezoidal plate coordinate with hydraulic cylinder 2 is provided with rubber blanket; rubber blanket can absorb certain thrust, thus plays effective protective effect to hydraulic cylinder 2.
Accordingly, second fixture comprises the 3rd trapezoidal plate and the 4th trapezoidal plate, and the 3rd trapezoidal plate and the 4th trapezoidal plate are enclosed to form the second hole, and the second hole is polygonal hole, the fixing of different size piston rod 21 can be met, thus expand the scope of application of the second fixture.
3rd trapezoidal plate and the 4th trapezoidal plate are also bolted, in the process of installing, first the height of the 3rd trapezoidal plate is adjusted, make the center in the center in the second hole and the first hole on the axis of piston rod 21, then the 3rd trapezoidal plate is fixed on base 1, finally the 4th trapezoidal plate and the 3rd trapezoidal plate are bolted, form the second hole; When dismounting, first bolt on the 4th trapezoidal plate and the 3rd trapezoidal plate is turned on, the 4th trapezoidal plate is taken off, then piston rod 21 is taken out, finally the 3rd trapezoidal plate is dismantled from base 1.
The installation steps for the instrument dismantling piston rod that this programme provides are as follows:
Two the first trapezoidal plates are bolted on base 1, hydraulic cylinder 2 are placed in the groove of the first trapezoidal plate;
Adjust the height of the 3rd trapezoidal plate, make the center in the center in the first hole and the second hole on the same line, and the axis of this straight line and piston rod 21 on the same line;
Second trapezoidal plate and the first trapezoidal plate are bolted, hydraulic cylinder 2 is fixed in the first fixture, and the 4th trapezoidal plate is connected with the 3rd trapezoidal plate;
Fixed pulley 5 is fixed on base 1, the lower end height of fixed pulley 5 and the axis of piston rod 21 contour, steel wire rope 51 one end on fixed pulley 5 is connected with the axis hole of piston rod 21 through the second hole, and the other end is connected with travelling crane hook.
In order to be reduced in twitch piston rod 21 process in injury to piston rod 21, the side that the 3rd trapezoidal plate and the 4th trapezoidal plate coordinate with piston rod 21 is provided with rubber blanket, avoids the outer wall of the 3rd trapezoidal plate and the 4th trapezoidal plate scuffing piston rod 21.
In order to optimize technique scheme further, in a specific embodiment of the present utility model, the first spiral lift 6 be connected with the 3rd trapezoidal plate, base 1 is provided with the first installing hole coordinated with the first spiral lift 6, the first spiral lift 6 is bolted on base 1.First spiral lift 6 is passed base 1 by the first installing hole, then the first spiral lift 6 is bolted on base 1, finally the leading screw of the first spiral lift 6 and the 3rd trapezoidal plate is bolted.The Height Adjustment of the first bracing or strutting arrangement is regulated by the first spiral lift 6, spiral lift has the advantages such as self-locking property, precision location and speeds control, and can improve the positioning precision of the 3rd trapezoidal plate with respect to the mode that staff rule of thumb locates.
In order to improve the positioning precision of fixed pulley 5 and reduce the positioning difficulty of fixed pulley 5, fixed pulley 5 is fixed on base 1 by the second spiral lift 7, base 1 is provided with the second installing hole coordinated with the second spiral lift 7, the second spiral lift 7 is bolted with base 1.Second spiral lift 6 is bolted on base 1 by the second installing hole through base 1, and the leading screw of the second spiral lift 7 is connected with the installing plate bolt of fixed pulley 5.The Height Adjustment of fixed pulley is regulated by the second spiral lift 7, and spiral lift has the advantages such as self-locking property, precision location and speeds control, and can improve the positioning precision of the 3rd trapezoidal plate with respect to the mode that staff rule of thumb locates.
Conveniently the coordinating of steel wire rope 51 and piston rod 21, steel wire rope 51 is provided with suspension hook with one end of shaft hole matching, can facilitate the difficulty of steel wire rope 51 and shaft hole matching and dismounting.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. for dismantling an instrument for piston rod, it is characterized in that, comprising:
Base (1);
Be fixed on the first fixture (3) for the cylinder body of horizontal fixer cylinder pressure (2) on described base (1), described first fixture (3) be provided with the first hole coordinated with described hydraulic cylinder (2);
Be fixed on described base (1) for supporting and first bracing or strutting arrangement (4) of piston rod (21) of described hydraulic cylinder (2) of leading, described first bracing or strutting arrangement (4) is provided with the second hole coordinated with described piston rod (21), described second hole and described first hole coaxially arranged;
Be arranged on the fixed pulley (5) on described base (1), the lower end height of described fixed pulley (5) and the centre-height in described second hole contour, upper steel wire rope (51) one end of setting of described fixed pulley (5) and the shaft hole matching of described piston rod (21), the other end of described steel wire rope (51) is connected with travelling crane hook.
2. the instrument for dismantling piston rod according to claim 1, is characterized in that, the number of described first fixture (3) is two.
3. the instrument for dismantling piston rod according to claim 2, is characterized in that, described first fixture (3) is positioned at the two ends of described cylinder body.
4. the instrument for dismantling piston rod according to claim 1, it is characterized in that, described first fixture (3) comprises the first trapezoidal plate and the second trapezoidal plate, described first trapezoidal plate and described second trapezoidal plate are enclosed to form described first hole, described first trapezoidal plate and described second trapezoidal plate are bolted, and described first trapezoidal plate and described base (1) are bolted.
5. the instrument for dismantling piston rod according to claim 4, is characterized in that, the side that described first trapezoidal plate and described second trapezoidal plate coordinate with described hydraulic cylinder (2) is provided with rubber blanket.
6. the instrument for dismantling piston rod according to claim 5, it is characterized in that, second fixture comprises the 3rd trapezoidal plate and the 4th trapezoidal plate, described 3rd trapezoidal plate and described 4th trapezoidal plate are enclosed to form described second hole, described 3rd trapezoidal plate and described 4th trapezoidal plate are bolted, and described 3rd trapezoidal plate is fixedly connected with described base (1).
7. the instrument for dismantling piston rod according to claim 6, is characterized in that, the side that described 3rd trapezoidal plate and described 4th trapezoidal plate coordinate with described piston rod (21) is provided with described rubber blanket (8).
8. the instrument for dismantling piston rod according to claim 7, it is characterized in that, the first spiral lift (6) be connected with described 3rd trapezoidal plate, described base (1) is provided with the first installing hole coordinated with described first spiral lift (6), described first spiral lift (6) is bolted on described base (1).
9. the instrument for dismantling piston rod according to claim 1, it is characterized in that, described fixed pulley (5) is fixed on described base (1) by the second spiral lift (7), described base (1) is provided with the second installing hole coordinated with described second spiral lift (7), described second spiral lift (7) and described base (1) are bolted.
10. the instrument for dismantling piston rod according to claim 1, is characterized in that, described steel wire rope (51) is provided with suspension hook with one end of described shaft hole matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770554.XU CN205129714U (en) | 2015-09-30 | 2015-09-30 | A instrument for dismantling piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770554.XU CN205129714U (en) | 2015-09-30 | 2015-09-30 | A instrument for dismantling piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205129714U true CN205129714U (en) | 2016-04-06 |
Family
ID=55615537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770554.XU Expired - Fee Related CN205129714U (en) | 2015-09-30 | 2015-09-30 | A instrument for dismantling piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205129714U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108481A (en) * | 2015-09-30 | 2015-12-02 | 莱芜钢铁集团有限公司 | Tool for detaching piston rod |
| CN110023038A (en) * | 2016-09-30 | 2019-07-16 | 米沃奇电动工具公司 | Power tool |
| CN111673413A (en) * | 2020-06-15 | 2020-09-18 | 中冶宝钢技术服务有限公司 | Temperature measurement cantilever dismounting and mounting mechanism, and temperature measurement cantilever mounting method and dismounting method |
| CN111823171A (en) * | 2020-08-25 | 2020-10-27 | 山东能源重装集团鲁南装备制造有限公司 | Disassembling device for double telescopic stand columns |
| CN112692771A (en) * | 2019-10-23 | 2021-04-23 | 中国石油化工股份有限公司 | Ring pipe axial-flow pump dismounting device |
-
2015
- 2015-09-30 CN CN201520770554.XU patent/CN205129714U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108481A (en) * | 2015-09-30 | 2015-12-02 | 莱芜钢铁集团有限公司 | Tool for detaching piston rod |
| CN110023038A (en) * | 2016-09-30 | 2019-07-16 | 米沃奇电动工具公司 | Power tool |
| CN110023038B (en) * | 2016-09-30 | 2021-12-14 | 米沃奇电动工具公司 | Power tool |
| CN112692771A (en) * | 2019-10-23 | 2021-04-23 | 中国石油化工股份有限公司 | Ring pipe axial-flow pump dismounting device |
| CN111673413A (en) * | 2020-06-15 | 2020-09-18 | 中冶宝钢技术服务有限公司 | Temperature measurement cantilever dismounting and mounting mechanism, and temperature measurement cantilever mounting method and dismounting method |
| CN111823171A (en) * | 2020-08-25 | 2020-10-27 | 山东能源重装集团鲁南装备制造有限公司 | Disassembling device for double telescopic stand columns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20170930 |