CN203679638U - Three-point outer-circle rolling tool - Google Patents
Three-point outer-circle rolling tool Download PDFInfo
- Publication number
- CN203679638U CN203679638U CN201420045956.9U CN201420045956U CN203679638U CN 203679638 U CN203679638 U CN 203679638U CN 201420045956 U CN201420045956 U CN 201420045956U CN 203679638 U CN203679638 U CN 203679638U
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- hobboing cutter
- locating hole
- cutter group
- main frame
- support
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Abstract
The utility model discloses a three-point outer-circle rolling tool. The three-point outer-circle rolling tool comprises a tool handle, wherein the tool handle is provided with a main body frame, an upper hobbing cutter set is arranged on the upper portion of the main body frame and arranged on a telescopic mechanism capable of moving vertically, and two lower hobbing cutter sets are arranged on the lower portion of the main body frame and arranged symmetrically by making the axis of the upper hobbing cutter set as the symmetry axis; first machining locating holes and second machining locating holes are symmetrically formed in the lower portion of the main body frame, the first machining locating holes are formed adjacently, each second machining locating hole is formed in the outer side of the corresponding first machining locating hole, and the lower hobbing cutter sets are arranged in the corresponding first machining locating holes or the corresponding second machining locating holes respectively. The three-point outer-circle rolling tool has the advantages that the structure is simple, the installation positions of the lower hobbing cutter sets are selected according to the size of a machined part when the three-point outer-circle rolling tool is used, and the three-point outer-circle rolling tool has a very large machining range; during machining, the upper hobbing cutter set and the two lower hobbing cutter sets make simultaneous contact with the surface of the machined part to form three-point rolling, and machining efficiency is improved.
Description
Technical field
The utility model relates to the technical field of machine tool, especially refers to a kind of 3 cylindrical rolling depression cutters.
Background technology
Machine tooling refers to carries out raw-material processing and fabricating with lathe, and machine tooling can be divided into engine lathe processing and lathe in machining according to the difference of lathe.Along with the development of machine tooling technology, numerically controlled lathe has replaced engine lathe gradually.Use lathe in machining not only to improve the production effect of part, product, also improved the precision of processing, to meet the process requirements of become more meticulous processing and precision component.
Rolling depression cutter is the principle of utilizing mechanical presses, obtains bright and clean if a kind of machinery of the metal surface of mirror is without the plastic processing method of cutting.Rolling depression cutter can utilize the plastic deformation of metal at normal temperatures, thereby makes the nao-and micro relief of surface of the work planish the object that reaches change surface structure, mechanical property, shape and size.No matter with which kind of metal working tool process, always leave fine scraggly tool marks at piece surface, occur the staggered peak valley phenomenon rising and falling.
Rolling and processing is a kind of pressure polishing processing, be to utilize the cold plasticity feature of metal at normal temperature state, utilize rolling tool to apply certain pressure to surface of the work, make workpiece surface metal produce Plastic Flow, be filled in original residual indentation trough, reduce and reach surface of the work roughness value.Due to rolled top layer metal plastic deformation, textura epidermoidea's cold hardening and crystal grain are attenuated, form the fibrous of densification, and form residual stress layer, improve hardness and intensity, thereby improved wearability, corrosion resistance and the conformability of surface of the work.Roll extrusion is a kind of plastic processing method without cutting, and therefore this method can reach polishing processing and two kinds of objects of strengthening simultaneously, is that grinding, turning cannot be accomplished.
Rolling depression cutter, according to the difference of Working position, can be divided into cylindrical rolling depression cutter and internal rolling cutter.Existing cylindrical rolling depression cutter adopts uniform milled head on circular hobboing cutter head inwall and realizes rolling and processing, but the rolling depression cutter adjustable range of this spline structure is little, and the range of work is narrow, therefore often will prepare the rolling depression cutter of multiple sizes to meet the needs of processing.Another kind of cylindrical rolling and processing method is the rolling depression cutter that adopts single milled head, but its working (machining) efficiency is low, and single milled head easily causes application of force inequality, affects machining accuracy.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, provides simple in structure, 3 cylindrical rolling depression cutters of one that working (machining) efficiency is high, scope is wide.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of 3 cylindrical rolling depression cutters, include handle of a knife, wherein, handle of a knife is provided with main frame, the top of main frame is provided with hobboing cutter group, on this, hobboing cutter group is installed on the telescoping mechanism that can move up and down, and the bottom of main frame is provided with two lower hobboing cutter groups, and two lower hobboing cutter groups are symmetrical arranged take described upper hobboing cutter group place axis as symmetry axis; The bottom symmetry of main frame offers the first processing locating hole and the second processing locating hole, the adjacent setting of the first processing locating hole, and the second processing locating hole is arranged at the outside of corresponding the first processing locating hole, lower hobboing cutter group is installed on respectively in the first corresponding processing locating hole or the second processing locating hole.
The technical measures of optimizing also comprise:
Above-mentioned telescoping mechanism comprises support, telescopic oil cylinder, stretch out seat and expansion link, and telescopic oil cylinder is fixed on support, and this support is fixed on the top of main frame, the bottom of expansion link through support and with stretch out seat and be connected cooperation, upper hobboing cutter group is installed on stretches out on seat.
The number of above-mentioned telescopic oil cylinder is two, and two telescopic oil cylinders are arranged at intervals on described support, are provided with pouring orifice on telescopic oil cylinder.
Above-mentioned upper hobboing cutter group and lower hobboing cutter group form by pin, needle bearing, hobboing cutter wheel, plane bearing and pad, hobboing cutter wheel is placed on pin, needle bearing is placed between the inner peripheral surface and the outer peripheral face of pin of hobboing cutter wheel, plane bearing is placed in one end of hobboing cutter wheel, one end of plane bearing is affixed and coordinates with this end face, pad is placed between the other end of described plane bearing and the inwall of main frame, and the two ends of pin are placed through in the first processing locating hole or the second processing locating hole.
On above-mentioned main frame, be provided with governor motion, governor motion comprises adjusting support, adjusting screw(rod), adjusting nut, regulating spring and clamping screw, regulates on support and offers adjusting chute, and the head of handle of a knife is placed in this adjusting chute.
Above-mentioned adjusting nut is screwedly mounted on adjusting screw(rod), the bottom of this adjusting screw(rod) is from top to bottom through the top that regulates support, regulating spring is placed on the bottom of adjusting screw(rod), the upper end of this regulating spring offsets with regulating support, the upper surface of its lower end and handle of a knife offsets, and clamping screw is arranged on the sidewall that regulates support.
The number of above-mentioned clamping screw is three, and three clamping screws are arranged at intervals on the sidewall that regulates support.
Above-mentioned main frame is hook-shape structure, is formed for placing the opening of workpiece between upper hobboing cutter group and the bottom of main frame, and handle of a knife is installed on one end away from opening on main frame.
The bottom of above-mentioned main frame offers hobboing cutter groove, and lower hobboing cutter group is embedded in this hobboing cutter groove.
Above-mentioned upper hobboing cutter group is 4mm to 35mm with the range of work of the rolling depression cutter that the lower hobboing cutter group being installed in the first processing locating hole forms; Upper hobboing cutter group is 30mm to 50mm with the range of work of the rolling depression cutter that the lower hobboing cutter group being installed in the second processing locating hole forms.
A kind of 3 cylindrical rolling depression cutters of the present utility model, adopt the top of main frame to be provided with hobboing cutter group, and on this, hobboing cutter group is installed on the telescoping mechanism that can move up and down, and is symmetrically arranged with two lower hobboing cutter groups in the bottom of main frame; Add man-hour, upper hobboing cutter group and two lower hobboing cutter groups form 3 roll extrusion with the Surface Contact of workpiece simultaneously, have improved working (machining) efficiency, and have mutually formed and support between three contact points, are conducive to the raising of machining accuracy.
The bottom symmetry of main frame offers the first processing locating hole and the second processing locating hole, when use, according to the size Selection of workpiece, lower hobboing cutter group is installed in the first processing locating hole or the second processing locating hole, make this rolling depression cutter there is the very large range of work, be applicable to the processing of different outside diameter workpieces.
On main frame, be provided with governor motion, this governor motion comprises adjusting support, adjusting screw(rod), adjusting nut, regulating spring and clamping screw; When adjusting, first loosening clamping screw, then make adjusting screw(rod) increase or decline by screwing adjusting nut, compression or release regulation spring simultaneously, thereby make main frame move on the whole or move down, the movement of realization body frame vertical direction, so that the center of calibration processing.
Instantly when hobboing cutter group is installed in the first processing locating hole, the range of work of this rolling depression cutter is 4mm to 35mm, instantly when hobboing cutter group is installed in the second processing locating hole, the range of work of this rolling depression cutter is 30mm to 50mm, therefore the range of work of this rolling depression cutter is 4mm to 50mm, the range of work is large, overcomes the little shortcoming of the existing rolling depression cutter range of work.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is another visual angle perspective view of the present utility model;
Fig. 3 is that master of the present utility model looks sectional structure schematic diagram;
Fig. 4 is that sectional structure schematic diagram is looked on a left side of Fig. 3;
Fig. 5 is I portion enlarged drawing in Fig. 4;
Fig. 6 is that Fig. 1 is to one of workpiece process schematic diagram;
Fig. 7 is the two process schematic diagrames of Fig. 1 to workpiece.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Structural representation of the present utility model as shown in Figure 1 to Figure 7 shows the,
Reference numeral is wherein: handle of a knife 1, main frame 2, hobboing cutter groove 2a, opening 21, upper hobboing cutter group 31, lower hobboing cutter group 32, telescoping mechanism 4, support 41, telescopic oil cylinder 42, pouring orifice 42a, stretch out seat 43, expansion link 44, the first processing locating hole 51, the second processing locating hole 52, pin 61, needle bearing 62, hobboing cutter wheel 63, plane bearing 64, pad 65, governor motion 7, regulate support 71, regulate chute 71a, adjusting screw(rod) 72, adjusting nut 73, regulating spring 74, clamping screw 75, small diameter workpiece 81, larger diameter workpiece 82.
As shown in Figures 1 to 5,
A kind of 3 cylindrical rolling depression cutters of the present utility model, include handle of a knife 1, wherein, handle of a knife 1 is provided with main frame 2, the top of main frame 2 is provided with hobboing cutter group 31, on this, hobboing cutter group 31 is installed on the telescoping mechanism 4 that can move up and down, and the bottom of main frame 2 is provided with 32, two lower hobboing cutter groups 32 of two lower hobboing cutter groups and is symmetrical arranged take described upper hobboing cutter group 31 place axis as symmetry axis; The bottom symmetry of main frame 2 offers the first processing locating hole 51 and the second processing locating hole 52, the adjacent setting of the first processing locating hole 51, and the second processing locating hole 52 is arranged at the outside of corresponding the first processing locating hole 51, lower hobboing cutter group 32 is installed on respectively in the first corresponding processing locating hole 51 or the second processing locating hole 52.
In the first processing locating hole 51 or the second processing locating hole 52, lower hobboing cutter group 32 can not be installed simultaneously, need determine according to the size of workpiece the installation site of lower hobboing cutter group 32; In Fig. 1 and Fig. 2, lower hobboing cutter group 32 is installed in the first processing locating hole 51, and lower hobboing cutter group 32 is installed on the effect of the second processing locating hole 52 when interior and dots in the drawings.
In embodiment, telescoping mechanism 4 comprises support 41, telescopic oil cylinder 42, stretches out seat 43 and expansion link 44, telescopic oil cylinder 42 is fixed on support 41, this support 41 is fixed on the top of main frame 2, the bottom of expansion link 44 through support 41 and with stretch out seat and 43 be connected cooperation, upper hobboing cutter group 31 is installed on stretches out on 43.Thereby telescopic oil cylinder 42 is controlled the upper and lower activity of expansion link 44, hobboing cutter group 31 and two lower hobboing cutter groups 32 are contacted simultaneously with workpiece, and pass through the amount of feeding of the controlled working of telescopic oil cylinder 42.Be installed on the upper hobboing cutter group 31 of stretching out on seat 43 and can rotate certain angle.
In embodiment, the number of telescopic oil cylinder 42 is two, and two telescopic oil cylinders 42 are arranged at intervals on described support 41, are provided with pouring orifice 42a on telescopic oil cylinder 42.
In embodiment, upper hobboing cutter group 31 and lower hobboing cutter group 32 form by pin 61, needle bearing 62, hobboing cutter wheel 63, plane bearing 64 and pad 65, hobboing cutter wheel 63 is placed on pin 61, needle bearing 62 is placed between the inner peripheral surface and the outer peripheral face of pin 61 of hobboing cutter wheel 63, plane bearing 64 is placed in one end of hobboing cutter wheel 63, one end of plane bearing 64 is affixed and coordinates with this end face, pad 65 is placed between the other end of described plane bearing 64 and the inwall of main frame 2, and the two ends of pin 61 are placed through in the first processing locating hole 51 or the second processing locating hole 52.
In embodiment, on main frame 2, be provided with governor motion 7, governor motion 7 comprises adjusting support 71, adjusting screw(rod) 72, adjusting nut 73, regulating spring 74 and clamping screw 75, regulates on support 71 and offers and regulate chute 71a, and the head of handle of a knife 1 is placed in this adjusting chute 71a.
In embodiment, adjusting nut 73 is screwedly mounted on adjusting screw(rod) 72, the bottom of this adjusting screw(rod) 72 is from top to bottom through the top that regulates support 71, regulating spring 74 is placed on the bottom of adjusting screw(rod) 72, the upper end of this regulating spring 74 offsets with regulating support 71, the upper surface of its lower end and handle of a knife 1 offsets, and clamping screw 75 is arranged on the sidewall that regulates support 71.
In embodiment, the number of clamping screw 75 is three, and three clamping screws 75 are arranged at intervals on the sidewall that regulates support 71.
Adjusting by governor motion 7 can real main frame 2 entirety on move or move down, thereby regulate the upright position of main frame 2, and then realize the adjusting to machining center position.
In embodiment, main frame 2 is hook-shape structure, is formed for placing the opening 21 of workpiece between upper hobboing cutter group 31 and the bottom of main frame 2, and handle of a knife 1 is installed on one end away from opening 21 on main frame 2.
In embodiment, the bottom of main frame 2 offers hobboing cutter groove 2a, and lower hobboing cutter group 32 is embedded in this hobboing cutter groove 2a.
In embodiment, upper hobboing cutter group 31 is 4mm to 35mm with the range of work that is installed on the rolling depression cutter that the lower hobboing cutter group 32 in the first processing locating hole 51 forms; Upper hobboing cutter group 31 is 30mm to 50mm with the range of work that is installed on the rolling depression cutter that the lower hobboing cutter group 32 in the second processing locating hole 52 forms.This rolling depression cutter can be processed the workpiece in 4mm to 50mm scope, and the range of work is large.
Operation principle: machining state figure as shown in Figure 6 to 7.
Before processing: the outside diameter of first measuring workpiece, in the time that processing diameter is 4mm to 35mm, it is small diameter workpiece 81, as shown in Figure 6 two lower hobboing cutter groups 32 are installed on respectively in the first processing locating hole 51, in the time that processing diameter is 30mm to 50mm, be larger diameter workpiece 82, as shown in Figure 7 two lower hobboing cutter groups 32 be installed on respectively in the second processing locating hole 52.
Cutter is fixed: with lathe cutter saddle compression handle of a knife 1, whole cutter is fixed on knife rest plate.
Machining center regulates: then utilize governor motion 7 to regulate workpiece centre: first loosening clamping screw 75, make adjusting screw(rod) 72 rise or decline by screwing adjusting nut 73 again, compression or release regulation spring 74, make lower hobboing cutter group 32 contact with the bottom of workpiece simultaneously; Regulate again telescopic oil cylinder 42 that expansion link 44 is declined, contact with the top of workpiece thereby drive is installed on upper hobboing cutter group 31 declines of stretching out on seat 43.
Add man-hour: upper hobboing cutter group 31 and two lower hobboing cutter groups 32 contact with 3 of workpieces, 3 processing simultaneously, have increased working (machining) efficiency.Three hobboing cutter groups coordinate with workpiece is tangent.
This rolling depression cutter has processing mode:
One, workpiece is as driving link, and upper hobboing cutter group 31 and lower hobboing cutter group 32 are as driven member.Workpiece first rotates, and drives the hobboing cutter wheel 63 in upper hobboing cutter group 31 and lower hobboing cutter group 32 to rotate rolling and processing by itself and upper hobboing cutter group 31 and contacting of lower hobboing cutter group 32.
Two, upper hobboing cutter group 31 is as driving link, and workpiece and lower hobboing cutter group 32 are as driven member.Hobboing cutter wheel 63 in upper hobboing cutter group 31 first rotates, then rotation that drives workpiece that contacts with work piece surface by it, then drive the hobboing cutter wheel 63 in lower hobboing cutter group 32 to rotate rolling and processing by contacting between workpiece and lower hobboing cutter group 32.
In the time of 63 wearing and tearing of hobboing cutter wheel, upper hobboing cutter group 31 can turn an angle and compensate.In the time running into stepped ramp type workpiece, also upper hobboing cutter group 31 can be rotated to certain angle, make the back chipping efficiency of workpiece better.
Most preferred embodiment of the present utility model is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from scope of the present utility model.
Claims (10)
1. 3 cylindrical rolling depression cutters, include handle of a knife (1), it is characterized in that: described handle of a knife (1) is provided with main frame (2), the top of described main frame (2) is provided with hobboing cutter group (31), on this, hobboing cutter group (31) is installed on the telescoping mechanism (4) that can move up and down, the bottom of described main frame (2) is provided with two lower hobboing cutter groups (32), and the lower hobboing cutter group (32) described in two is symmetrical arranged take described upper hobboing cutter group (31) place axis as symmetry axis; The bottom symmetry of described main frame (2) offers the first processing locating hole (51) and the second processing locating hole (52), the described adjacent setting of the first processing locating hole (51), and the second processing locating hole (52) is arranged at the outside of corresponding the first processing locating hole (51), described lower hobboing cutter group (32) is installed on respectively in corresponding the first processing locating hole (51) or the second processing locating hole (52).
2. a kind of 3 cylindrical rolling depression cutters according to claim 1, it is characterized in that: described telescoping mechanism (4) comprises support (41), telescopic oil cylinder (42), stretches out seat (43) and expansion link (44), described telescopic oil cylinder (42) is fixed on support (41), this support (41) is fixed on the top of main frame (2), the bottom of described expansion link (44) is connected cooperation through support (41) and with stretching out (43), and described upper hobboing cutter group (31) is installed on stretches out on seat (43).
3. a kind of 3 cylindrical rolling depression cutters according to claim 2, it is characterized in that: the number of described telescopic oil cylinder (42) is two, it is upper that two telescopic oil cylinders (42) are arranged at intervals at described support (41), on described telescopic oil cylinder (42), is provided with pouring orifice (42a).
4. a kind of 3 cylindrical rolling depression cutters according to claim 3, it is characterized in that: described upper hobboing cutter group (31) and lower hobboing cutter group (32) are by pin (61), needle bearing (62), hobboing cutter wheel (63), plane bearing (64) and pad (65) form, described hobboing cutter wheel (63) is placed on pin (61), needle bearing (62) is placed between the hobboing cutter wheel inner peripheral surface of (63) and the outer peripheral face of pin (61), described plane bearing (64) is placed in one end of hobboing cutter wheel (63), one end of plane bearing (64) is affixed and coordinates with this end face, described pad (65) is placed between the other end of described plane bearing (64) and the inwall of main frame (2), the two ends of described pin (61) are placed through in the first processing locating hole (51) or the second processing locating hole (52).
5. a kind of 3 cylindrical rolling depression cutters according to claim 4, it is characterized in that: on described main frame (2), be provided with governor motion (7), described governor motion (7) comprises adjusting support (71), adjusting screw(rod) (72), adjusting nut (73), regulating spring (74) and clamping screw (75), on described adjusting support (71), offer and regulate chute (71a), the head of described handle of a knife (1) is placed in this adjusting chute (71a).
6. a kind of 3 cylindrical rolling depression cutters according to claim 5, it is characterized in that: described adjusting nut (73) is screwedly mounted on adjusting screw(rod) (72), the bottom of this adjusting screw(rod) (72) is from top to bottom through the top that regulates support (71), described regulating spring (74) is placed on the bottom of adjusting screw(rod) (72), the upper end of this regulating spring (74) offsets with regulating support (71), the upper surface of its lower end and handle of a knife (1) offsets, and described clamping screw (75) is arranged on the sidewall that regulates support (71).
7. a kind of 3 cylindrical rolling depression cutters according to claim 6, it is characterized in that: the number of described clamping screw (75) is three, the clamping screw (75) described in three is arranged at intervals on the sidewall that regulates support (71).
8. a kind of 3 cylindrical rolling depression cutters according to claim 7, it is characterized in that: described main frame (2) is hook-shape structure, between described upper hobboing cutter group (31) and the bottom of main frame (2), be formed for placing the opening (21) of workpiece, described handle of a knife (1) is installed on the upper one end away from opening (21) of main frame (2).
9. a kind of 3 cylindrical rolling depression cutters according to claim 8, it is characterized in that: the bottom of described main frame (2) offers hobboing cutter groove (2a), described lower hobboing cutter group (32) is embedded in this hobboing cutter groove (2a).
10. a kind of 3 cylindrical rolling depression cutters according to claim 9, is characterized in that: described upper hobboing cutter group (31) is 4mm to 35mm with the range of work of the rolling depression cutter that the lower hobboing cutter group (32) being installed in the first processing locating hole (51) forms; Described upper hobboing cutter group (31) is 30mm to 50mm with the range of work of the rolling depression cutter that the lower hobboing cutter group (32) being installed in the second processing locating hole (52) forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045956.9U CN203679638U (en) | 2014-01-24 | 2014-01-24 | Three-point outer-circle rolling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045956.9U CN203679638U (en) | 2014-01-24 | 2014-01-24 | Three-point outer-circle rolling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679638U true CN203679638U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045956.9U Withdrawn - After Issue CN203679638U (en) | 2014-01-24 | 2014-01-24 | Three-point outer-circle rolling tool |
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| Country | Link |
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| CN (1) | CN203679638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722343A (en) * | 2014-01-24 | 2014-04-16 | 宁波市精恒凯翔机械有限公司 | Three-point outer circle rolling cutter |
| CN105345393A (en) * | 2015-11-10 | 2016-02-24 | 宁波市精恒凯翔机械有限公司 | Roll-finishing machine tool |
-
2014
- 2014-01-24 CN CN201420045956.9U patent/CN203679638U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722343A (en) * | 2014-01-24 | 2014-04-16 | 宁波市精恒凯翔机械有限公司 | Three-point outer circle rolling cutter |
| CN103722343B (en) * | 2014-01-24 | 2015-12-09 | 宁波市精恒凯翔机械有限公司 | A kind of 3 cylindrical rolling depression cutters |
| CN105345393A (en) * | 2015-11-10 | 2016-02-24 | 宁波市精恒凯翔机械有限公司 | Roll-finishing machine tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20151209 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |