CN204309208U - A kind of injection mold - Google Patents
A kind of injection mold Download PDFInfo
- Publication number
- CN204309208U CN204309208U CN201420769364.1U CN201420769364U CN204309208U CN 204309208 U CN204309208 U CN 204309208U CN 201420769364 U CN201420769364 U CN 201420769364U CN 204309208 U CN204309208 U CN 204309208U
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- CN
- China
- Prior art keywords
- driving lever
- back segment
- front mould
- leading portion
- lever back
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of injection mold, comprise front mould, front mould fixed head, slide block lever body and rear mold, front mould is provided with through hole, and slide block lever body comprises: driving lever leading portion, and driving lever leading portion is fixed on front mould fixed head on the surface of front mould; And driving lever back segment, driving lever back segment is arranged in the through hole of front mould movably, and driving lever back segment connects with driving lever leading portion is detachable.When die sinking, driving lever back segment first exits product with driving lever leading portion, being separated with driving lever leading portion rests on front mould again, driving lever leading portion is then pulled open by front mould fixed head, define clear space between driving lever leading portion and driving lever back segment, external mechanical hand can pass through this space off-take point sprue channel, facilitates automation integrated formula and produces, do not need, by manually opening injection machine side plate off-take point sprue channel, to avoid manually injured.
Description
Technical field
The utility model relates to mould and manufactures field, is specifically related to a kind of injection mold.
Background technology
For the three-plate mold injection mold adopting cold runner point to enter to water, slide block driving lever 4 and spot pouring mouth runner 5 is provided with at mould inside, slide block driving lever 4 is fixed on front mould fixed head 2, during matched moulds cast, front mould 1 is installed on front mould fixed head 2, slide block driving lever 4 exposes in the cast cavity that encloses at front mould 1 and rear mold 7 through front mould 1, auxiliary front mould 1 and rear mold 7 note water shaping, now spot pouring mouth runner 5 inserts in front mould 1 from face in the face of front mould fixed head 2 of front mould 1, is inserted in cavity that front mould 1 and rear mold 7 be encircled into and waters liquid for injecting; As shown in Figure 1, after die sinking, rear mold 7 is fixed on rear mold fixed head 8 motionless, front mould 1 separates with rear mold 7, front mould fixed head 7 also separates with front mould 1, and now slide block driving lever 4 is between front mould 1 and front mould fixed head 2, and position slide block driving lever 4 is positioned at spot pouring mouth runner about 5 both sides as shown in Figure 1.
Spot pouring mouth runner 5 is young owing to watering, and waters liquid residual in runner, must be taken out cleaning after injecting glue completes, or the spot pouring mouth runner 5 more renewed.As shown in Figure 1, after die sinking, slide block driving lever 4 is positioned at the upper side and lower side of spot pouring mouth runner 5, and injection machine side plate is positioned at inboard and the outside of spot pouring mouth runner 5, and spot pouring mouth runner 5 is blocked by slide block driving lever 4 and injection machine side plate.
In order to off-take point sprue channel 5, current method is, open the side plate of injection machine by manually being taken out by spot pouring mouth runner 5, arm then will be stretched into injection machine inside by artificial taking-up, stretch into arm and there is very large security incident risk, hand is easily burned, weigh wounded, adopts manually to get spot pouring mouth runner 5 and increase production cost simultaneously, is also unfavorable for automated production.If carry out automated production, then capture by manipulator 6, but current slide block driving lever blocks the crawl path of manipulator 6, cannot realize automated production, therefore production efficiency is low.
Summary of the invention
The utility model provides a kind of injection mold with the separable slide block lever body of two-part.
The utility model provides a kind of injection mold, comprise front mould, front mould fixed head, slide block lever body and rear mold, front mould is removably mounted on front mould fixed head, rear mold is arranged on the opposite side of the relative front mould fixed head of front mould, front mould and rear mold enclose the cavity for pouring into a mould, front mould is provided with through hole, and during matched moulds, slide block lever body partially passes through through hole to expose in cavity auxiliary injecting glue shaping, and slide block lever body comprises:
Driving lever leading portion, driving lever leading portion is fixed on front mould fixed head on the surface of front mould;
And driving lever back segment, driving lever back segment is arranged in the through hole of front mould movably, and driving lever back segment connects with driving lever leading portion is detachable;
During matched moulds, driving lever leading portion and driving lever back segment are bonded together, and driving lever hindfoot portion exposes in the cavity that encloses at front mould and rear mold;
During die sinking, driving lever leading portion and driving lever back segment are separated, and form the clear space for capturing between driving lever leading portion and driving lever back segment.
Further, slide block lever body also comprises limit assembly, and limit assembly comprises spacer pin, and spacer pin is fixed on front mould; Driving lever back segment is provided with the stopper slot of preset strokes length, and the length direction of stopper slot is consistent with driving lever back segment moving direction in through-holes, and spacer pin is connected in stopper slot, is fixed on spacing for driving lever back segment on front mould.
Further, preset strokes length meets: stopper slot is when the limited pin in the end of driving lever leading portion is spacing, and described driving lever back segment exposes in the cavity that encloses at front mould and rear mold; Spacer pin be positioned at stopper slot spacing away from the limited pin in end of driving lever leading portion time, described driving lever back segment exits product, and forms the clear space for capturing with driving lever leading portion.
Further, limit assembly also comprises spacer pin fixed block, and spacer pin is fixed on front mould by spacer pin fixed block.
Preferably, limit assembly has two, and the face that two of driving lever back segment are relative is equipped with stopper slot, and two limit assemblies lay respectively at the both sides of driving lever back segment, connect respectively with stopper slot.
Further, slide block lever body also comprises coupling assembly, and coupling assembly comprises spring catch, and spring catch is fixed on driving lever back segment,
Driving lever leading portion is provided with projection towards the face of driving lever back segment, and driving lever back segment is provided with the protruding suitable groove with driving lever leading portion towards the face of driving lever leading portion,
The groove walls of driving lever back segment is provided with through hole, and spring catch exposes in groove through through hole in its natural state,
The projection of driving lever leading portion is provided with the groove for clamping spring catch.
Further, coupling assembly also comprises spring catch fixed block, and spring catch is fixed on driving lever back segment by spring catch fixed block.
Preferably, coupling assembly has two, and the both sides that driving lever back segment inwall is relative are equipped with through hole, and two coupling assemblings lay respectively at the both sides of driving lever back segment, connect respectively with through hole.
In other embodiments, the face of the relative driving lever back segment of driving lever leading portion is inlaid with magnet or iron block, and the face relative to driving lever leading portion is inlaid with the iron block suitable with driving lever leading portion or magnet to driving lever back segment.
The beneficial effects of the utility model are: the slide block lever body of the utility model injection mold is divided into driving lever leading portion and driving lever back segment, and driving lever leading portion can engage or be separated with driving lever back segment.When matched moulds is produced, driving lever leading portion and driving lever back segment engaged fit mould are produced; When die sinking, driving lever back segment first exits product with driving lever leading portion, being separated with driving lever leading portion rests on front mould again, driving lever leading portion is then pulled open by front mould fixed head, define clear space between driving lever leading portion and driving lever back segment, external mechanical hand can pass through this space off-take point sprue channel, facilitates automation integrated formula and produces, do not need, by manually opening injection machine side plate off-take point sprue channel, to avoid manually injured.
Accompanying drawing explanation
Fig. 1 is the injection mold die opening state structural representation of prior art;
Fig. 2 is the mould die opening state structural representation of a kind of injection mold of the utility model;
Fig. 3 is the explosive view of the slide block lever body of a kind of injection mold of the utility model;
Fig. 4 is the slide block lever body installation diagram of a kind of injection mold of the utility model;
Fig. 5 is the slide block pole jack connected structure schematic diagram of a kind of injection mold of the utility model;
Fig. 6 is the slide block pole jack isolating construction schematic diagram of a kind of injection mold of the utility model.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail below by detailed description of the invention
Embodiment one:
Please refer to Fig. 2, the present embodiment provides a kind of injection mold, comprises front mould 1, front mould fixed head 2, slide block lever body 3, spot pouring mouth runner 5, rear mold 7 and rear mold fixed head 8.
As shown in Figure 2, rear mold fixed head 8, rear mold 7, front mould 1 and front mould fixed head 2 from left to right set gradually, and front mould fixed head 2 and rear mold fixed head 8 are respectively used to fixing front mould 1 and rear mold 7.Front mould 1 is provided with the through hole 11 mated with slide block lever body 3, slide block lever body 3 exposes front mould 1 through through hole 11 part and assists injecting glue shaping, front mould 1 is also provided with the multiple through holes mated with spot pouring mouth runner 5, spot pouring mouth runner 5 is poured into a mould by multiple through hole.After front mould 1 and rear mold 7 merge, form the cavity for pouring into a mould in the middle of front mould 1 and rear mold 7, slide block lever body 3 part is exposed in the cavity of cast, and subsidiary products is shaping.
For the injection mold that difference requires, the quantity of the slide block lever body 3 of setting is all not identical with position, and the present embodiment is described to have two slide block lever bodies 3, and two slide block lever bodies 3 lay respectively at spot pouring mouth runner 5 both sides.
The slide block lever body 3 of the present embodiment comprises driving lever leading portion 31 and driving lever back segment 32, consistent with the contour structures of slide block driving lever 4 of the prior art after driving lever leading portion 31 and driving lever back segment 32 merge.
Please refer to Fig. 2 and Fig. 3, driving lever leading portion 31 be fixed on front mould fixed head 2 relatively above 1 surface on, driving lever back segment 32 is arranged on front mould 1 movably, front mould 1 there is through hole 11, driving lever back segment 32 part is placed in through hole 11, driving lever back segment 32 can move in through-holes, driving lever leading portion 31 and driving lever back segment 32 are oppositely arranged, the face of the relative driving lever back segment 32 of driving lever leading portion 31 is provided with protruding 311, protruding 311 are preferably square projection, and it is semicircular groove 312 that the side of protruding 311 is provided with the cross section connected for driving lever back segment 32.Preferential, in order to make connection more firm, the present embodiment is equipped with groove 312 on the side that two of projection 311 of driving lever leading portion 31 are relative, realizes both sides and is fixedly connected simultaneously.Also can be a semi-circular recesses point in other embodiments, groove point just strictly must arrange its position on request, suitable with other connectors.
The face of the relative driving lever leading portion 31 of driving lever back segment 32 is provided with corresponding groove 322 protruding with driving lever leading portion 31, is square groove.In order to be fixedly connected with driving lever leading portion 31 both sides, two sidewalls of groove 322 are provided with two corresponding through holes, 323, two through holes 323 should align with the groove 312 of driving lever leading portion 31 projection 311 inserted in driving lever back segment 32 groove 322.Preferably, two through holes 323 are arranged on the center line of recess sidewall, align with the center of groove 312, make driving lever leading portion 31 and driving lever back segment 32 fix more steady.
In the present embodiment, slide block lever body 3 also comprises limit assembly 33, and limit assembly 33 is two, and two limit assemblies 33 are arranged on the both sides of driving lever back segment 32 respectively.Accordingly, two opposite faces that driving lever back segment 32 is consistent with its moving direction are provided with the stopper slot 321 presetting haul distance, the length direction of stopper slot 321 is consistent with the moving direction of driving lever back segment 32 in through hole 11.
Limit assembly 33 comprises spacer pin 331 and spacer pin fixed block 332, spacer pin fixed block 332 is fixed on the surface of front mould 1 relative to front mould fixed head 2, spacer pin 331 one end is fixed on spacer pin fixed block 332, the other end inserts in the stopper slot 321 of driving lever back segment 32, length direction along stopper slot 321 does moving relative to stopper slot 321, when moving to certain one end of length direction of stopper slot 321, the position of driving lever back segment 32 is limited.In other embodiments, limit assembly 33 also can only include spacer pin 331, and through hole 11 limit that spacer pin 331 is directly fixed on front mould 1 fixes driving lever back segment 32.
Please refer to Fig. 3, the length of stopper slot 321 should meet: during matched moulds, driving lever back segment 32 moves to extreme position along the through hole 11 of front mould 1 to rear mold 7 direction, stopper slot 321 stops near end (i.e. the top of shown position) the limited pin 331 of driving lever leading portion 31, now driving lever back segment 32 can stretch in the cavity that front mould 1 and rear mold 7 enclose, and built-in length reaches preset requirement, subsidiary products is shaping; During die sinking, driving lever back segment 32 moves to extreme position along the through hole 11 of front mould 1 to front mould fixed head 2 direction, stopper slot 321 stops away from end (namely shown position bottom) the limited pin 331 of driving lever leading portion 31, now driving lever back segment 32 and driving lever leading portion 31 are separated, and the clog-free space that both are formed is greater than the cross section of manipulator 6 and spot pouring mouth runner 5, meet manipulator off-take point sprue channel 5, and driving lever back segment 32 must depart from product, the taking-up of injection molding product can not be affected.
Please refer to Fig. 5 and Fig. 6, in the present embodiment, slide block lever body 3 also comprises coupling assembly 34, and coupling assembly 34 is two, coupling assembly 34 comprises spring catch 341 and spring catch fixed block 342, spring catch fixed block 342 is fixed on the relative both sides of driving lever back segment 32, because coupling assembly 34 is fixed on driving lever back segment 32, so must be in staggered distribution with limit assembly 33, namely limit assembly 33 and coupling assembly 34 are interspersed on four sides of driving lever back segment 32, one end of spring catch 341 is fixed on spring catch fixed block 342, the other end is through the through hole 323 of driving lever back segment 32.Spring catch 341 is under the nature not being subject to External Force Acting, and it exposes in the groove 322 of driving lever back segment 32.In other embodiments, coupling assembly 34 also can only include spring catch 341, spring catch 341 is directly fixed on driving lever back segment 32, and spring catch 341 itself has telescopic resilience function, only needs head to expose in its natural state in the groove 322 of driving lever back segment 32.
Please refer to Fig. 3 and Fig. 4, the main operational principle of the present embodiment is: when matched moulds is produced, front mould 1 is installed on front mould fixed head 2, the projection 311 of driving lever leading portion 31 is inserted in driving lever back segment 32 groove, spring catch 341 snaps in the groove 312 of driving lever leading portion 31 projection 311, driving lever leading portion 31 and driving lever back segment 32 are fixed together, and driving lever back segment 32 is pushed into that to be used for subsidiary products between front mould 1 and rear mold 7 shaping by driving lever leading portion 31, now driving lever leading portion 31 and driving lever back segment 32 are bonded together; During die sinking, front mould 1 and rear mold 4 are separately, front mould fixed head 2 separates with front mould 1 simultaneously, front mould fixed head 2 drives driving lever front end 31 to move, driving lever leading portion 31 applies pulling force to driving lever back segment 32, driving lever back segment 32 is pulled out product, and driving lever back segment 32 moves along the through hole 11 of front mould 1 to front mould fixed head 2 direction.To be fixed on front mould 1 due to spacer pin 331 and to insert in the stopper slot 321 of driving lever back segment 32, therefore, when driving lever back segment 32 moves along the through hole 11 of front mould 1 to front mould fixed head 2 direction, spacer pin 331 is along the length direction of stopper slot 321, move from the one end near driving lever leading portion 31 to the one end away from driving lever leading portion 31, when spacer pin 331 moves to the end that stopper slot 321 moved on to away from driving lever leading portion 31 one end (in Fig. 3, stopper slot 321 bottom), spacer pin 331 pairs of driving lever back segments 32 carry out spacing, driving lever back segment 32 cannot continue front mould fixed head 2 direction and move, because driving lever back segment 32 is limited, and driving lever leading portion 31 also has the pulling force of front mould fixed head 2, groove 312 pairs of spring catch 341 of driving lever leading portion 31 projection 311 apply pressure, this pressure is axial vertical with spring catch 341, the head contacted with groove 312 due to spring catch 341 is hemispherical, therefore spring catch 341 is extruded and shrinks back, when spring catch 341 be extruded shrink back depart from groove 312 time, driving lever leading portion 31 and driving lever back segment 32 are just separated, clear space is formed between front mould 1 and front mould fixed head 2, manipulator 6 can directly be stretched in this space and off-take point sprue channel 5.
The present embodiment, when die sinking, driving lever back segment 32 first exits product with driving lever leading portion 31, being separated with driving lever leading portion 31 rests on front mould 1 again, driving lever leading portion 31 is then pulled open by front mould fixed head 2, one section of clear space has just been separated between driving lever leading portion 31 and driving lever back segment 32, external mechanical hand 6 can stretch into off-take point sprue channel 5 between front mould 1 and front mould fixed head 2 by space, facilitate automation integrated formula to produce, do not need, by manually opening injection machine side plate off-take point sprue channel 5, to avoid manually injured.
Embodiment two:
The difference of the present embodiment and embodiment one is at the connecting mode with driving lever leading portion 31 and driving lever back segment 32.
The injection mold that the present embodiment provides, the face of the relative driving lever back segment 32 of driving lever leading portion 31 is inlaid with magnet or iron block, and on driving lever back segment 32, the face of relative driving lever leading portion 31 is provided with the iron block suitable with driving lever leading portion 31 or magnet.Together with driving lever leading portion 31 and driving lever back segment 32 are fixed mutually by magnet, under the effect of spacer pin 341, driving lever leading portion 31 is separated with driving lever back segment 32 and forms clog-free space, achieves equally and dodges manipulator 6 and capture spot pouring mouth runner 5.
Above content is in conjunction with concrete embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (9)
1. an injection mold, comprise front mould (1), front mould fixed head (2), slide block lever body (3) and rear mold (7), described front mould (1) is removably mounted on described front mould fixed head (2), described rear mold (7) is arranged on the opposite side of the relative front mould fixed head (2) of front mould (1), described front mould (1) and rear mold (7) enclose the cavity for pouring into a mould, described front mould (1) is provided with through hole (11), during matched moulds, described slide block lever body (3) partially passes through through hole (11) to expose in described cavity auxiliary injecting glue shaping, it is characterized in that, described slide block lever body (3) comprising:
Driving lever leading portion (31), described driving lever leading portion (31) is fixed on described front mould fixed head (2) on the surface of front mould (1);
And driving lever back segment (32), described driving lever back segment (32) is arranged in the through hole (11) of front mould (1) movably, and described driving lever back segment (32) connects with described driving lever leading portion (31) is detachable;
During matched moulds, described driving lever leading portion (31) and driving lever back segment (32) are bonded together, and described driving lever back segment (32) partially passes through through hole (11) exposes in the cavity that encloses at described front mould (1) and rear mold (7);
During die sinking, described driving lever leading portion (31) and driving lever back segment (32) are separated, and form the clear space for capturing between described driving lever leading portion (31) and driving lever back segment (32).
2. injection mold as claimed in claim 1, it is characterized in that, described slide block lever body (3) also comprises limit assembly (33), and described limit assembly (33) comprises spacer pin (331), and described spacer pin (331) is fixed on front mould (1); Described driving lever back segment (32) is provided with the stopper slot (321) of preset strokes length, the length direction of described stopper slot (321) is consistent with the moving direction of driving lever back segment (32) in through hole (11), described spacer pin (331) is connected in described stopper slot (321), is fixed on spacing for driving lever back segment (32) on front mould (1).
3. injection mold as claimed in claim 2, it is characterized in that, described preset strokes length meets: when stopper slot (321) is spacing near the limited pin in the end (331) of driving lever leading portion (31), and described driving lever back segment (32) is exposed in the cavity that encloses at front mould (1) and rear mold (7); Spacer pin (331) be positioned at stopper slot (321) spacing away from the limited pin in the end (331) of driving lever leading portion (31) time, described driving lever back segment (32) exits product, and forms the clear space for capturing with driving lever leading portion (31).
4. injection mold as claimed in claim 3, it is characterized in that, described limit assembly (33) also comprises spacer pin fixed block (332), and described spacer pin (331) is fixed on front mould (1) by spacer pin fixed block (332).
5. injection mold as claimed in claim 4, it is characterized in that, described limit assembly (33) has two, the face that two of described driving lever back segment (32) are relative is equipped with stopper slot (321), described two described limit assemblies (33) lay respectively at the both sides of driving lever back segment (32), connect respectively with stopper slot (321).
6. injection mold as claimed in claim 5, it is characterized in that, described slide block lever body (3) also comprises coupling assembly (34), and described coupling assembly (34) comprises spring catch (341), described spring catch (34) is fixed on described driving lever back segment (32)
Described driving lever leading portion (31) is provided with projection (311) towards the face of driving lever back segment (32), and described driving lever back segment (32) is provided with the groove (322) suitable with driving lever leading portion (31) protruding (311) towards the face of driving lever leading portion (31),
Groove (322) wall of described driving lever back segment (32) is provided with through hole (323), and described spring catch (341) exposes in groove (322) through through hole (323) in its natural state,
The projection (311) of described driving lever leading portion (31) is provided with the groove (312) for spring catch described in clamping (341).
7. injection mold as claimed in claim 6, it is characterized in that, described coupling assembly (34) also comprises spring catch fixed block (342), and spring catch (341) is fixed on driving lever back segment (32) by described spring catch fixed block (342).
8. injection mold as claimed in claim 7, it is characterized in that, described coupling assembly (34) has two, the both sides that described driving lever back segment (32) inwall is relative are equipped with through hole (323), described two coupling assemblings (34) lay respectively at the both sides of driving lever back segment (32), connect respectively with through hole (323).
9. injection mold as claimed in claim 5, it is characterized in that, the face of the relative driving lever back segment (32) of described driving lever leading portion (31) is inlaid with magnet or iron block, the face of the relative driving lever leading portion (31) of described driving lever back segment (32) is inlaid with the iron block suitable with driving lever leading portion (31) or magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769364.1U CN204309208U (en) | 2014-12-09 | 2014-12-09 | A kind of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769364.1U CN204309208U (en) | 2014-12-09 | 2014-12-09 | A kind of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204309208U true CN204309208U (en) | 2015-05-06 |
Family
ID=53131540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420769364.1U Withdrawn - After Issue CN204309208U (en) | 2014-12-09 | 2014-12-09 | A kind of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204309208U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526967A (en) * | 2014-12-09 | 2015-04-22 | 深圳天珑无线科技有限公司 | Injection mould |
| CN105946168A (en) * | 2016-06-07 | 2016-09-21 | 安徽省华晟塑胶股份有限公司 | Plastic part processing equipment |
| CN107538691A (en) * | 2017-09-18 | 2018-01-05 | 苏州亮宇模具科技有限公司 | Shell injection mold on medical treatment detection capsule endoscope robot |
| CN108688066A (en) * | 2018-04-12 | 2018-10-23 | 利辛县宏天建材有限责任公司 | A kind of high-efficiency high-accuracy injection mold of hole irrigation formula |
-
2014
- 2014-12-09 CN CN201420769364.1U patent/CN204309208U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526967A (en) * | 2014-12-09 | 2015-04-22 | 深圳天珑无线科技有限公司 | Injection mould |
| CN105946168A (en) * | 2016-06-07 | 2016-09-21 | 安徽省华晟塑胶股份有限公司 | Plastic part processing equipment |
| CN107538691A (en) * | 2017-09-18 | 2018-01-05 | 苏州亮宇模具科技有限公司 | Shell injection mold on medical treatment detection capsule endoscope robot |
| CN107538691B (en) * | 2017-09-18 | 2023-09-19 | 苏州亮宇模具科技有限公司 | Medical treatment detects capsule endoscope robot upper housing injection mold |
| CN108688066A (en) * | 2018-04-12 | 2018-10-23 | 利辛县宏天建材有限责任公司 | A kind of high-efficiency high-accuracy injection mold of hole irrigation formula |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150506 Effective date of abandoning: 20170503 |