CN203600561U - Double ejection angle core pulling device in sliding core - Google Patents
Double ejection angle core pulling device in sliding core Download PDFInfo
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- CN203600561U CN203600561U CN201320881092.XU CN201320881092U CN203600561U CN 203600561 U CN203600561 U CN 203600561U CN 201320881092 U CN201320881092 U CN 201320881092U CN 203600561 U CN203600561 U CN 203600561U
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Abstract
The utility model provides a double ejection angle core pulling device in a sliding core. The double ejection angle core pulling device comprises a sliding core (1), an angle core pulling part (2), an A ejection plate (3), a B ejection plate (4) and an unlocking block (5). The angle core pulling part is provided with an angle pulling guide block, the A ejection plate is provided with a product ejector rod and a push block, the B ejection plate is provided with a movable core ejector rod and a sliding spring bolt, the unlocking block is arranged at the side of a movable die support plate and is opposite to the sliding spring bolt, the angle core pulling part is arranged in the sliding core, the angle pulling guide block is fixed in the movable die support plate, and the sliding spring bolt is buckled on the upper end of the push block. According to the technical scheme of double ejection, when the device is used for demolding, the sliding spring bolt is used for driving the A ejection plate to drive the B ejection plate, the product ejector rod and the movable core ejector rod to respectively push a product and the sliding core to synchronously move at first, the angle pulling guide block is used for guiding the angle core pulling part to obliquely move to get out of a back-off structure of the product, and then, the unlocking block is used for unlocking the sliding spring bolt from the push block, the B ejection plate and the sliding core are stopped, and the A ejection plate continuously drives the product ejector rod to perform demolding on the product. The aims of simplifying the structure of an angle movable core pulling mold, reducing the cost and improving the efficiency are realized.
Description
Technical field
The utility model relates to the slant-top core-pulling stripper apparatus of injection mold, specifically refer to for injection mold, need the core slip ejection device of mould for injection-molded item, a kind of secondary being located in slide core that the back-off structure that simultaneously also needs the goods interior sidewall surface to be provided with is carried out the synchronous slant-top core-pulling demoulding pushes up oblique core-pulling device.
Background technology
For the slant-top core-pulling that has back-off structure injection-molded item, the slant-top core-pulling device of injection mold is only applicable to be arranged on fixed in-core.Need slide core ejection device for injection-molded item, also need the back-off structure that goods interior sidewall surface is provided with to carry out the injection mold of the synchronous demoulding of tiltedly loosing core simultaneously, be called for short the moving oblique pumping mode tool of core, prior art adopts built-in oil cylinder is set in slide core, by built-in oil cylinder before the die sinking of mould somatotype ejects, drive in advance the oblique pulling mechanism being located in slide core that the piece of tiltedly loosing core is loosed core out from the back-off structure of goods, afterwards, by the mechanism of the straight top slide core of mould, slide core being taken to goods ejects core and inserts, afterwards, by the mechanism of the straight top goods of mould, goods are ejected with slide core and departed from again, so, make mould structure complexity, die cost is high, demoulding efficiency is low, application and trouble rate is high, applicating maintenance cost is high, therefore, there is complex structure in prior art, cost is high, inefficient problems and shortcomings.
Summary of the invention
The problems and shortcomings that exist for above-mentioned prior art, the utility model adopts by slide core, tiltedly looses core, A top board, B top board, separate the device that lock dog forms, wherein, tiltedly loose core to be provided with and tiltedly take out guide pad, tiltedly take out clamping block, A top board is provided with goods push rod, pushing block, A sheet reset bar, and B top board is provided with moving core push rod, slip dead bolt, spring, B release link, it is corresponding with slip dead bolt that solution lock dog is located at dynamic model support plate side, slide core is positioned at core and inserts, core is inserted and is embedded in dynamic model support plate, tiltedly loose core and be located in slide core, tiltedly take out guide pad, tiltedly take out clamping block and be fixedly located in dynamic model support plate, the upper end of moving core push rod is connected with slide core, and slip dead bolt stretches out the upper end that is buckled in pushing block under the effect of spring, the lower end of B release link and A top board hook, when the demoulding, the tail fore-set pushing tow A top board of injection machine, first, the slided snap effect of dead bolt of A top board drives B top board synchronously to move up, goods push rod, moving core push rod promotes respectively goods, slide core synchronously moves up, meanwhile, being subject to tiltedly to take out guide pad guides, tiltedly loose core and upwards move right and to the inside indentation of slide core, laterally from the back-off structure of goods, extract out, subsequently, separate lock dog and touch slide lock gyrus lingulais contracting, slip dead bolt and pushing block are triped, B top board, slide core stops, once finish on top, A top board continues to drive alone goods push rod upwards to promote goods disengaging slide core, finish on secondary top, when reset, mould matched moulds, first, A sheet reset bar is promoted by cover half, drive A top board to reset downwards, subsequently, be subject to the hook of B release link, B top board resets downwards with A top board, slip dead bolt ejects the technical scheme of reset buckle pushing block, provide a kind of secondary being located in slide core to push up oblique core-pulling device, be intended to make the oblique pumping mode tool of core to avoid the drawback of built-in loose core of oil cylinder, the object of reach simplified structure, reduce costs, raising the efficiency.
The purpose of this utility model is achieved in that a kind of secondary being located in slide core pushes up oblique core-pulling device, comprise slide core, tiltedly loose core, A top board, B top board, separate lock dog, wherein: described slide core be above and peripheral side be provided with goods inside the block steel components of the identical profile of shape, the side of slide core is provided with to coordinate that settling tiltedly looses core and make oblique chute of loosing core motion and is called oblique pumping slot;
Described piece and the block steel components that tiltedly pumping rod forms of loosing core of serving as reasons of tiltedly loosing core; The described piece of loosing core is positioned at the upper end of tiltedly loosing core, and the left side of the piece of loosing core is provided with the profile identical with goods inner reverse fastener planform, and described oblique pumping rod is the body of rod below piece, that cross section is rectangular of loosing core described in being supported on that is tilted to the right from bottom to top; Tiltedly loose core to be also combined with and tiltedly take out guide pad, tiltedly take out clamping block, the described guide pad of tiltedly taking out is block steel components, and the center of tiltedly taking out guide pad is provided with the rectangular through-hole being tilted to the right from bottom to top and is called pilot hole; The described clamping block of tiltedly taking out is that left surface top is provided with and the steel components of the column wedge shape on described oblique pumping rod corresponding matching inclined-plane, and the left surface of tiltedly taking out clamping block is called wedge surface;
The steel components that described A top board is rectangular plate-like, is provided with goods push rod protruding upward, pushing block, A sheet reset bar, the steel components that described goods push rod, A sheet reset bar are cylindrical elongated rod shape above A top board; Described pushing block is that side-looking projection is concave shape, master looks the rectangular block steel components of projection, and the central indentation on pushing block concave shape top is called bealock, and described pushing block is fixedly connected on the left side above A top board;
Described B top board is the steel components that is fixedly connected with the rectangular plate-like forming by support plate with pressing plate, above B top board, be provided with moving core push rod protruding upward, below B top board, be provided with the B release link of downward protrusion, the left surface of B top board is provided with the slip dead bolt that elasticity is stretched out left; Described moving core push rod is cylindrical shaft-like steel components; Described B release link is interior hexagonal cylindrical hook bolt, and the interior hexagonal cylindrical head of B release link is called pull head; Described slip dead bolt is the steel components of overlooking rectangular bulk, the left surface of slip dead bolt is the inclined-plane being tilted to the right from bottom to top, slip dead bolt slides and is positioned at the resettlement groove that B top board left surface arranges, the right side of slip dead bolt is provided with the spring flexible for pushing tow, and described spring is cylindroid helical-coil compression spring;
The steel components that described solution lock dog is rectangular block shape, separates below lock dog and between right flank, is provided with the cambered surface of arc transition;
The core of mould is inserted and is embedded in dynamic model support plate, and slide core can slide up and down and be positioned at the chute that core is inserted, and tiltedly takes out guide pad, tiltedly takes out clamping block and be positioned at below slide core and with dynamic model support plate and be fixedly connected with; The piece of loosing core described in tiltedly loosing core slides and is positioned at the described oblique pumping slot of slide core, and the described oblique pumping rod of tiltedly loosing core is slided and is through in the described pilot hole of tiltedly taking out guide pad; The described wedge surface of tiltedly taking out clamping block be positioned at tiltedly loose core described in the loose core right flank of piece, when matched moulds state, tiltedly loose core for support locking; Moving core push rod upward sliding is through dynamic model support plate, and the upper end of moving core push rod is fixedly connected with below slide core; Separating lock dog protrudes and is fixed on dynamic model support plate left surface and corresponding with slip dead bolt downwards; Pushing block is positioned at the below of slip dead bolt, when matched moulds state, is buckled in the upper end of pushing block below slip dead bolt; The described bealock of pushing block is corresponding with solution lock dog; B release link is passed down through A top board, and the described pull head of B release link is hooked on below A top board.
Operation principle and beneficial effect
When the demoulding, upwards pushing tow A top board of the tail fore-set of injection machine, first, the slided snap effect of dead bolt of A top board drives B top board synchronously to move up, goods push rod, moving core push rod promotes respectively goods, slide core synchronously moves up, meanwhile, being subject to tiltedly to take out guide pad guides, tiltedly loose core and upwards move right and to the inside indentation of slide core, the profile of piece of loosing core described in tiltedly loosing core is laterally extracted out from the back-off structure of goods, subsequently, separate lock dog shake-up slip dead bolt bounces back in B top board, slip dead bolt and pushing block are triped, B top board, slide core stops mobile, eject for the first time complete, A top board continues to drive alone goods push rod upwards to promote goods disengaging slide core, eject for the second time complete,
When reset, mould matched moulds, first, A sheet reset bar is promoted by cover half, drives A top board to reset downwards, and subsequently, the described pull head of B release link hooks A top board, and B top board is together resetted downwards with A top board, and when B top board resets, slip dead bolt ejects reset of card and fastens pushing block.
This device, makes the oblique pumping mode tool of core avoid using the drawback of built-in loose core of oil cylinder, has simplified mould structure, has reduced die cost, has improved operating efficiency when mould is applied.
Above-mentioned, the utility model adopts by slide core, tiltedly looses core, A top board, B top board, separate the device that lock dog forms, wherein, tiltedly loose core to be provided with and tiltedly take out guide pad, tiltedly take out clamping block, A top board is provided with goods push rod, pushing block, A sheet reset bar, and B top board is provided with moving core push rod, slip dead bolt, spring, B release link, it is corresponding with slip dead bolt that solution lock dog is located at dynamic model support plate side, slide core is positioned at core and inserts, core is inserted and is embedded in dynamic model support plate, tiltedly loose core and be located in slide core, tiltedly take out guide pad, tiltedly take out clamping block and be fixedly located in dynamic model support plate, the upper end of moving core push rod is connected with slide core, and slip dead bolt stretches out the upper end that is buckled in pushing block under the effect of spring, the lower end of B release link and A top board hook, when the demoulding, first, the snap effect of slip dead bolt, A top board drives B top board and goods push rod, moving core push rod promotes respectively goods, slide core synchronously moves up, now, tiltedly take out tiltedly loose core oblique movement extracting out to the inner indentation of slide core of guide pad guiding from the back-off structure of goods, subsequently, separating lock dog touches slip dead bolt make to slide dead bolt and pushing block and trips, B top board, slide core stops, A top board continues to drive goods push rod to promote the technical scheme that goods depart from the secondary top of slide core, overcome prior art and had complex structure, cost is high, inefficient problems and shortcomings, a kind of secondary being located in slide core providing pushes up oblique core-pulling device, make the oblique pumping mode tool of core avoid using the drawback of built-in loose core of oil cylinder, reach simplified structure, reduce costs, the object of raising the efficiency.
Accompanying drawing explanation
Fig. 1 is that the master that a kind of secondary being located in slide core of the present utility model pushes up oblique core-pulling device looks sectional structure schematic diagram;
Fig. 2 is that a kind of secondary being located in slide core of the present utility model pushes up oblique core-pulling device, is operated in 2 principle schematic that eject for the first time tense of extracting out from the back-off structure of goods of tiltedly loosing core;
Fig. 3 is that a kind of secondary being located in slide core of the present utility model pushes up oblique core-pulling device, is operated in A top board 3 and continues to drive goods push rod 31 to promote the principle schematic that ejects for the second time tense that goods depart from slide core 1.
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
In figure: slide core 1, tiltedly loose core 2, tiltedly take out guide pad 21, tiltedly take out clamping block 22, A top board 3, goods push rod 31, pushing block 32, A sheet reset bar 33, B top board 4, moving core push rod 41, slip dead bolt 42, spring 421, B release link 43, separate that lock dog 5, dynamic model support plate 01, core insert 02, top plate guide post 03, base plate 04, tail fore-set 05.
The specific embodiment
Consult Fig. 1～Fig. 3, a kind of secondary being located in slide core of the present utility model pushes up oblique core-pulling device, comprise slide core 1, tiltedly loose core 2, A top board 3, B top board 4, separate lock dog 5, wherein: described slide core 1 for above and peripheral side be provided with goods inside the block steel components of the identical profile of shape, the side of slide core 1 is provided with and coordinates that settling tiltedly looses core 2 makes oblique chute of loosing core motion and be called oblique pumping slot;
Described 2 piece and the block steel components that tiltedly pumping rod forms of loosing core of serving as reasons of tiltedly loosing core; The described piece of loosing core is positioned at 2 the upper end of tiltedly loosing core, and the left side of the piece of loosing core is provided with the profile identical with goods inner reverse fastener planform, and described oblique pumping rod is the body of rod below piece, that cross section is rectangular of loosing core described in being supported on that is tilted to the right from bottom to top; Tiltedly loosing core 2 is also combined with and tiltedly takes out guide pad 21, tiltedly takes out clamping block 22, and the described guide pad 21 of tiltedly taking out is for block steel components, tiltedly takes out guide pad 21 center and is provided with the rectangular through-hole being tilted to the right from bottom to top and is called pilot hole; The described clamping block 22 of tiltedly taking out is provided with and the steel components of the column wedge shape on described oblique pumping rod corresponding matching inclined-plane for left surface top, and the left surface of tiltedly taking out clamping block 22 is called wedge surface;
The steel components that described A top board 3 is rectangular plate-like, is provided with goods push rod 31 protruding upward, pushing block 32, A sheet reset bar 33, the steel components that described goods push rod 31, A sheet reset bar 33 are cylindrical elongated rod shape above A top board 3; Described pushing block 32 is for side-looking projection is concave shape, master looks the rectangular block steel components of projection, and the central indentation on pushing block 32 concave shape tops is called bealock, and described pushing block 32 is fixedly connected on A top board 3 left side above;
Described B top board 4 is for being fixedly connected with the steel components of the rectangular plate-like forming with pressing plate by support plate, above B top board 4, be provided with moving core push rod 41 protruding upward, below B top board 4, be provided with the B release link 43 of downward protrusion, the left surface of B top board 4 is provided with the slip dead bolt 42 that elasticity is stretched out left; Described moving core push rod 41 is cylindrical shaft-like steel components; Described B release link 43 is interior hexagonal cylindrical hook bolt, and the interior hexagonal cylindrical head of B release link 43 is called pull head; Described slip dead bolt 42 is for overlooking the steel components of rectangular bulk, the left surface of slip dead bolt 42 is the inclined-plane being tilted to the right from bottom to top, slip dead bolt 42 slides and is positioned at the resettlement groove that B top board 4 left surfaces arrange, the right side of slip dead bolt 42 is provided with the spring 421 flexible for pushing tow, and described spring 421 is cylindroid helical-coil compression spring;
The steel components that described solution lock dog 5 is rectangular block shape, separates below lock dog 5 and between right flank, is provided with the cambered surface of arc transition;
The core of mould is inserted and 02 is embedded in dynamic model support plate 01, and slide core 1 can slide up and down and be positioned at core 02 the chute of inserting, and tiltedly takes out guide pad 21, tiltedly takes out clamping block 22 and be positioned at below slide core 1 and with dynamic model support plate 01 and be fixedly connected with; Tiltedly loose core 2 described in the piece of loosing core slide and be positioned at the described oblique pumping slot of slide core 1,2 the described oblique pumping rod of tiltedly loosing core is slided and is through in the described pilot hole of tiltedly taking out guide pad 21; The described wedge surface of tiltedly taking out clamping block 22 be positioned at tiltedly loose core 2 described in the loose core right flank of piece, when matched moulds state, tiltedly loose core 2 for support locking; Moving core push rod 41 upward slidings are through dynamic model support plate 01, and the upper end of moving core push rod 41 is fixedly connected with below slide core 1; Separating lock dog 5 protrudes and is fixed on dynamic model support plate 01 left surface and corresponding with slip dead bolt 42 downwards; Pushing block 32 is positioned at the below of slip dead bolt 42, when matched moulds state, is buckled in the upper end of pushing block 32 below slip dead bolt 42; The described bealock of pushing block 32 is corresponding with solution lock dog 5; B release link 43 is passed down through A top board 3, and the described pull head of B release link 43 is hooked on below A top board 3.
Operation principle and beneficial effect
When the demoulding, upwards pushing tow A top board 3 of the tail fore-set 05 of injection machine, first, the slided snap effect of dead bolt 42 of A top board 3 drives B top board 4 synchronously to move up, goods push rod 31, moving core push rod 41 promotes respectively goods, slide core 1 synchronously moves up, meanwhile, being subject to tiltedly to take out guide pad 21 guides, tiltedly loose core and 2 upwards move right and to the inside indentation of slide core 1, tiltedly loose core 2 described in the loose core profile of piece laterally from the back-off structure of goods, extract out, subsequently, separate lock dog 5 and touch slip dead bolt 42 to the interior retraction of B top board 4, slip dead bolt 42 is triped with pushing block 32, B top board 4, slide core 1 stops mobile, eject for the first time complete, A top board 3 continues to drive alone goods push rod 31 upwards to promote goods disengaging slide core 1, eject for the second time complete,
When reset, mould matched moulds, first, A sheet reset bar 33 is promoted by cover half, drive A top board 3 to reset downwards, subsequently, the described pull head of B release link 43 hooks A top board 3, B top board 4 is together resetted downwards with A top board 3, and when B top board 4 resets, slip dead bolt 42 ejects reset of card and fastens pushing block 32.
This device, makes the oblique pumping mode tool of core avoid using the drawback of built-in loose core of oil cylinder, has simplified mould structure, has reduced die cost, has improved operating efficiency when mould is applied.
Claims (1)
1. the secondary being located in slide core pushes up oblique core-pulling device, comprise slide core (1), tiltedly loose core (2), A top board (3), B top board (4), separate lock dog (5), it is characterized in that: described slide core (1) for above and peripheral side be provided with goods inside the block steel components of the identical profile of shape, the side of slide core (1) is provided with to coordinate and settles tiltedly loose core (2) to make oblique chute of loosing core motion to be called oblique pumping slot;
Described tiltedly loose core (2) piece and the block steel components that tiltedly pumping rod forms of loosing core of serving as reasons; The described piece of loosing core is positioned at tiltedly the upper end of loose core (2), the loose core left side of piece is provided with the profile identical with goods inner reverse fastener planform, and described oblique pumping rod is the body of rod below piece, that cross section is rectangular of loosing core described in being supported on that is tilted to the right from bottom to top; Tiltedly loose core (2) be also combined with and tiltedly take out guide pad (21), tiltedly take out clamping block (22), the described guide pad (21) of tiltedly taking out is block steel components, and the center of tiltedly taking out guide pad (21) is provided with the rectangular through-hole being tilted to the right from bottom to top and is called pilot hole; The described clamping block (22) of tiltedly taking out is provided with and the steel components of the column wedge shape on described oblique pumping rod corresponding matching inclined-plane for left surface top, and the left surface of tiltedly taking out clamping block (22) is called wedge surface;
The steel components that described A top board (3) is rectangular plate-like, above A top board (3), be provided with goods push rod (31) protruding upward, pushing block (32), A sheet reset bar (33), the steel components that described goods push rod (31), A sheet reset bar (33) are cylindrical elongated rod shape; Described pushing block (32) is for side-looking projection is concave shape, master looks the rectangular block steel components of projection, the central indentation on pushing block (32) concave shape top is called bealock, and described pushing block (32) is fixedly connected on A top board (3) left side above;
Described B top board (4) is for being fixedly connected with the steel components of the rectangular plate-like forming with pressing plate by support plate, above B top board (4), be provided with moving core push rod (41) protruding upward, below B top board (4), be provided with the B release link (43) of downward protrusion, the left surface of B top board (4) is provided with the slip dead bolt (42) that elasticity is stretched out left; Described moving core push rod (41) is cylindrical shaft-like steel components; Described B release link (43) is interior hexagonal cylindrical hook bolt, and the interior hexagonal cylindrical head of B release link (43) is called pull head; Described slip dead bolt (42) is for overlooking the steel components of rectangular bulk, the left surface of slip dead bolt (42) is the inclined-plane being tilted to the right from bottom to top, slip dead bolt (42) slides and is positioned at the resettlement groove that B top board (4) left surface arranges, the right side of slip dead bolt (42) is provided with the spring flexible for pushing tow (421), and described spring (421) is cylindroid helical-coil compression spring;
The steel components that described solution lock dog (5) is rectangular block shape, separates below lock dog (5) and between right flank, is provided with the cambered surface of arc transition;
The core of mould insert (02) be embedded in dynamic model support plate (01), slide core (1) can slide up and down and be positioned at the core chute of (02) of inserting, and tiltedly takes out guide pad (21), tiltedly takes out clamping block (22) and be positioned at below slide core (1) and with dynamic model support plate (01) and be fixedly connected with; Tiltedly loose core (2) described in the piece of loosing core slide and be positioned at the described oblique pumping slot of slide core (1), the described oblique pumping rod of tiltedly loose core (2) is slided and is through in the described pilot hole of tiltedly taking out guide pad (21); The described wedge surface of tiltedly taking out clamping block (22) be positioned at tiltedly loose core (2) described in the loose core right flank of piece, when matched moulds state for support locking tiltedly loose core (2); Moving core push rod (41) upward sliding is through dynamic model support plate (01), and the upper end of moving core push rod (41) is fixedly connected with below slide core (1); Separating lock dog (5) protrudes and is fixed on dynamic model support plate (01) left surface and corresponding with slip dead bolt (42) downwards; Pushing block (32) is positioned at the below of slip dead bolt (42), when matched moulds state, is buckled in the upper end of pushing block (32) below slip dead bolt (42); The described bealock of pushing block (32) is corresponding with solution lock dog (5); B release link (43) is passed down through A top board (3), and the described pull head of B release link (43) is hooked on below A top board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881092.XU CN203600561U (en) | 2013-12-18 | 2013-12-18 | Double ejection angle core pulling device in sliding core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881092.XU CN203600561U (en) | 2013-12-18 | 2013-12-18 | Double ejection angle core pulling device in sliding core |
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| Publication Number | Publication Date |
|---|---|
| CN203600561U true CN203600561U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881092.XU Withdrawn - After Issue CN203600561U (en) | 2013-12-18 | 2013-12-18 | Double ejection angle core pulling device in sliding core |
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| CN (1) | CN203600561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707468A (en) * | 2013-12-18 | 2014-04-09 | 宁海胜利模具有限公司 | Secondary oblique-ejection core-pulling device in slide core |
| CN104802368A (en) * | 2015-04-07 | 2015-07-29 | 宁波双林模具有限公司 | Core-pulling device for narrow-located short-distance clamping buckle of injection mold |
-
2013
- 2013-12-18 CN CN201320881092.XU patent/CN203600561U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707468A (en) * | 2013-12-18 | 2014-04-09 | 宁海胜利模具有限公司 | Secondary oblique-ejection core-pulling device in slide core |
| CN103707468B (en) * | 2013-12-18 | 2015-11-25 | 宁海胜利模具有限公司 | A kind of oblique core-pulling device in secondary top be located in slide core |
| CN104802368A (en) * | 2015-04-07 | 2015-07-29 | 宁波双林模具有限公司 | Core-pulling device for narrow-located short-distance clamping buckle of injection mold |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20151125 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |