CN202480344U - Secondary ejection mechanism and helical gear forming mold comprising the same - Google Patents
Secondary ejection mechanism and helical gear forming mold comprising the same Download PDFInfo
- Publication number
- CN202480344U CN202480344U CN2012201487092U CN201220148709U CN202480344U CN 202480344 U CN202480344 U CN 202480344U CN 2012201487092 U CN2012201487092 U CN 2012201487092U CN 201220148709 U CN201220148709 U CN 201220148709U CN 202480344 U CN202480344 U CN 202480344U
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- helical gear
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Abstract
The utility model relates to a secondary ejection mechanism and a helical gear forming mold comprising the same. The secondary ejection mechanism and the helical gear forming mold comprising the same comprises a lower fixing plate, a movable mold plate, a straight tooth molding insert, a pushing plate for a primary ejection action, a helical tooth molding insert connected with the pushing plate, an ejection plate arranged on the lower fixing plate and an ejector sleeve assembly for a secondary ejection action. A process space for movement of the ejection plate is arranged between the movable mold plate and the lower fixing plate, a movable mold is separated from a stationary mold first, the lower fixing plate drives the movable mold plate and the straight tooth molding insert to move, and the pushing plate, the helical tooth molding insert connected with the pushing plate and molding products do not move with the lower fixing plate. The straight tooth molding insert is separated from a straight tooth portion of the molding products, and the primary ejection action is achieved. The ejection plate drives the ejector sleeve assembly to achieve the secondary ejection action and the products are ejected, due to the facts that the ejector sleeve assembly used for ejection as a cylinder-shaped part, meanwhile, the ejector sleeve assembly drives the products to do rotation movement with a helical tooth molding portion of the helical tooth molding insert to eject helical tooth molding products, and damage of the helical gear caused by a direct ejection only with vertical force is avoided.
Description
[technical field]
The utility model relates to a kind of secondary ejecting mechanism and mould of mould, particularly a kind of secondary ejecting mechanism of beveled wheel mold and protective sleeve mould.
[background technology]
Helical gear is the gear that the tooth and the rotating shaft of gear become 0～an angle of 90 degrees, and helical gear not exclusively is a helical gear, and helical gear is because to have engagement property good, stable drive, and advantage such as noise is little has boundless application.
At present; The stripping means majority that the plastic beveled wheel injection mold is commonly used is design one rotating mechanism, mold cavity is fixed on the two-direction thrust bearing, during the demoulding because the package power effect; Plastic wraps in tightly and does rectilinear motion on the core; And die cavity rotates under goods profile of tooth ramp effect power, thereby makes goods deviate from die cavity smoothly, utilizes other release mode that product is released from core again.
The advantage of this stripping means is to guarantee the quality of product; Can when ejecting gear, the plastic gear not damaged, but its shortcoming is that mould structure is complicated because of thimble or department's tube; Mold cooling system the comparison difficulty is set, increased the mould difficulty of design.And the most important thing is that the product concentricity that adopts said method to produce is poor, main cause is the gap decision between rotating mechanism and the mould.
The helical gear of and gear thinner thickness little for the inclination angle, adopting the method that directly ejects is reasonable mode, this method is not only simple in structure, and the product concentricity of producing is better.
For not only having helical teeth but also having the duplicate gear of straight-tooth, it is impossible adopting the mode that once directly ejects, because straight-tooth can be stuck with mould when helical gear rotates.
Particularly, shaped article 15 is a helical gear as shown in Figure 6, includes two parts, and a part is a helical teeth part 150, and another part is the straight-tooth part 152 that is connected with helical teeth part 150.Straight-tooth part 152 is fit to directly eject, if 150 employings of helical teeth part directly eject then can damage helical teeth.
[utility model content]
The purpose of the utility model is exactly in order to solve the problem that prior art exists; A kind of beveled wheel mold with secondary ejecting mechanism has been proposed; Because this mould has secondary ejecting mechanism, so when the helical gear demoulding, can accomplish automatically, the beveled wheel mold of the utility model is simple in structure; Spend less than 20 for helical angle, and the duplicate gear of pitch face thinner thickness is very suitable.
The concrete technical scheme of the utility model is following:
The utility model provides a kind of secondary ejecting mechanism of helical gear mould; Comprise: bottom plate, the moving platen that is connected with bottom plate, be arranged in the said moving platen and with mold the straight-tooth moulding mold insert of waiting to eject product straight-tooth part, adjacent setting with moving platen and with said moving platen between form dynamic model second die joint carry out ejecting for the first time action and support waiting to eject on the product to carry out ejecting the second time department's cartridge module of action to separate straight-tooth moulding mold insert and is connected and to mold partly the helical teeth moulding mold insert of helical teeth of waiting to eject product, be arranged on liftout plate on the bottom plate, be fixed on the said liftout plate and pass said straight-tooth moulding mold insert with the push pedal of product, with said push pedal, be provided with the stroke space that liftout plate moves between said moving platen and the bottom plate.
In preferred embodiment, also comprise the pull bar that passes said moving platen and push pedal and when moulding, insert cover half.
In preferred embodiment; Said moving platen comprises stressed plate and the straight-tooth moulding mold insert fixed head that is mutually permanently connected; Said straight-tooth moulding mold insert and straight-tooth moulding mold insert fixed head are provided with and hold fixing card holding structure each other, the one side that said card holding structure places said straight-tooth moulding mold insert fixed head to be connected with said stressed plate.
In preferred embodiment, said stressed plate is fixedly connected with bottom plate through space bar.
In preferred embodiment, said straight-tooth moulding mold insert comprises the standing part that is fixedly connected with said moving platen that is mutually permanently connected and molds the moulding section of waiting to eject product straight-tooth part.
In preferred embodiment, said push pedal comprises push pedal main body that is provided with the side next-door neighbour of helical teeth moulding mold insert and the push pedal mold insert that is connected near straight-tooth moulding mold insert place one side with helical teeth moulding mold insert.
In preferred embodiment, said liftout plate comprises that the upper ejector plate of adjacent setting reaches liftout plate down.
In preferred embodiment, be provided with the stroke space of liftout plate motion between said moving platen and the bottom plate, said liftout plate is provided with the limited block of the said liftout plate stroke of restriction.
In preferred embodiment; Said department cartridge module comprises ejector pin and is set in the department's tube on the said ejector pin, the axle center that said ejector pin is fixed on the said bottom plate and when matched moulds, passes liftout plate, moving platen, straight-tooth moulding mold insert successively and wait to eject product.
A kind of helical gear mould comprises: the secondary ejecting mechanism of helical gear mould as stated.
Compared to prior art, the utility model beneficial technical effects is:
The secondary ejecting mechanism of above-mentioned helical gear mould and this mould; When dividing mould; At first dynamic model separates with die joint between the cover half, and the bottom plate of dynamic model continues to drive moving platen and the motion of straight-tooth moulding mold insert that is fixedly connected with it, does not move with bottom plate with the push pedal of bottom plate on-fixed connection; Thereby separate with second die joint between the moving platen; The helical teeth moulding mold insert that connects with push pedal does not move with bottom plate with push pedal and shaped article is reserved in the helical teeth moulding mold insert, and straight-tooth moulding mold insert partly separates with the straight-tooth of shaped article, realizes ejecting for the first time action; Be connected with the bottom plate on-fixed owing to liftout plate simultaneously; Liftout plate does not move with bottom plate and separates with bottom plate, thereby the department's cartridge module that is arranged on the liftout plate does relative motion with respect to bottom plate with push pedal, when dynamic model and the completion of cover half somatotype; The bottom plate stop motion; Push rod promotes liftout plate drive department cartridge module to carry out ejecting second time action product is ejected, on one side be that tubular spare pushes up owing to taking charge of jacket casing spare, rotate with helical teeth moulding mold insert helical teeth moulding section and the helical gear product is ejected Yi Bian drive product; That avoids having only vertical direction power directly ejects the damage helical gear, has well protected the quality of the product that molds
[description of drawings]
Fig. 1 is the structural representation of the helical gear mould of the utility model one embodiment;
Fig. 2 is the structural representation of other direction of the helical gear mould of the utility model one embodiment;
Fig. 3 is the sketch map of secondary ejecting mechanism closure state of the helical gear mould of the utility model one embodiment;
Fig. 4 ejects the sketch map under the state for the first time for the secondary ejecting mechanism of the helical gear mould of the utility model one embodiment;
Fig. 5 ejects the sketch map under the state for the second time for the secondary ejecting mechanism of the helical gear mould of the utility model one embodiment;
Fig. 6 is the helical gear structural representation of shaped article of the utility model one embodiment.
[specific embodiment]
For the purpose, technical scheme and the advantage that make utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explain the utility model, be not used for limiting the utility model.
Embodiment
Extremely shown in Figure 5 like Fig. 1; The secondary ejecting mechanism 102 of the helical gear mould of the utility model one embodiment comprises: bottom plate 20, the moving platen 40 that is connected with bottom plate 20, be arranged in the moving platen 40 and with mold the straight-tooth moulding mold insert 60 of waiting to eject product straight-tooth part, with moving platen 40 adjacent settings and with moving platen 40 between form dynamic model second die joint carry out ejecting for the first time action and be connected with the push pedal 80 that separates straight-tooth moulding mold insert 60 and product, with institute push pedal 80 and mold partly the helical teeth moulding mold insert 30 of helical teeth of waiting to eject product, be arranged on liftout plate 50 on the bottom plate 20, be fixed on the liftout plate 50 and pass straight-tooth moulding mold insert 60 and support and waiting to eject on the product to carry out ejecting the second time department's cartridge module 70 of action.Be provided with between moving platen 40 and the bottom plate 20 and supply liftout plate 50 to eject the stroke space 502 of motion.
To shown in Figure 2, moving platen 40 comprises stressed plate 42 and the straight-tooth moulding mold insert fixed head 44 that is mutually permanently connected like Fig. 1.Straight-tooth moulding mold insert fixed head 44 is used for fixing straight-tooth moulding mold insert 60.Straight-tooth moulding mold insert 60 is provided with straight-tooth moulding mold insert fixed head 44 and holds fixing card holding structure 66 each other.The one side that card holding structure 66 places straight-tooth moulding mold insert fixed head 44 to be connected with stressed plate 42, and fixing through stressed plate 42.
Further, stressed plate 42 is fixedly connected with bottom plate 20 through space bar 90.
As shown in Figure 1, the secondary ejecting mechanism 102 of the helical gear mould of this enforcement also comprises down plugs in the pull bar 96 that passes space bar 90, stressed plate 42 and straight-tooth moulding mold insert fixed head 44 and push pedal 80 successively and when moulding, insert cover half.
To shown in Figure 5, further, straight-tooth moulding mold insert 60 comprises the standing part 602 that is fixedly connected with stressed plate 42 and straight-tooth moulding mold insert fixed head 44 and molds the moulding section 604 of waiting to eject product straight-tooth part like Fig. 1.Standing part 602 and moulding section 604 are fixedly connected through fixture.
As shown in Figure 1, push pedal 80 comprises push pedal main body 802 that is provided with the side next-door neighbour of helical teeth moulding mold insert 30 and the push pedal mold insert 804 that is connected near straight-tooth moulding mold insert 60 place one sides with helical teeth moulding mold insert 30.
To shown in Figure 2, further, liftout plate 50 comprises that the upper ejector plate 52 of adjacent setting reaches liftout plate 54 down like Fig. 1.Upper ejector plate 52 is provided with the limited block 56 of restriction liftout plate 50 movement travels.
To shown in Figure 5, further, department's cartridge module 70 comprises ejector pin 72 and is set in the department's tube 74 on the ejector pin 72 like Fig. 1.The axle center that ejector pin is arranged on the bottom plate and when matched moulds, passes upper ejector plate 52, following liftout plate 54, stressed plate 42, straight-tooth moulding mold insert 60 successively and wait to eject product 15.
To shown in Figure 2, the helical gear mould 100 of the utility model one embodiment comprises the secondary ejecting mechanism 102 of above-mentioned helical gear mould like Fig. 1.The secondary ejecting mechanism 102 of above-mentioned helical gear mould comprises: bottom plate 20; The moving platen 40 that is connected with bottom plate 20; Be arranged in the moving platen 40 and and wait to eject product straight-tooth straight-tooth moulding mold insert 60 partly to mold; With moving platen 40 adjacent settings and with moving platen 40 between form dynamic model second die joint carry out ejecting for the first time action to separate the push pedal 80 of straight-tooth moulding mold insert 60 and product; Be connected and mold the helical teeth moulding mold insert 30 of the helical teeth part of waiting to eject product with institute push pedal 80; Be arranged on the liftout plate 50 on the bottom plate 20; Be fixed on the liftout plate 50 and pass straight-tooth moulding mold insert 60 and support and waiting to eject on the product to carry out ejecting for the second time department's cartridge module 70 of action.Be provided with between moving platen 40 and the bottom plate 20 and supply liftout plate 50 to eject the stroke space 502 of motion.
The helical gear mould 100 of the utility model one embodiment also comprises cover half 106.Cover half 106 comprises solid plate 160, stripper plate 162, upper mounted plate 164, runner plate 166 and fixed die insert 168 etc.During matched moulds, leave the space between solid plate 160 and the push pedal 80.
Extremely shown in Figure 4 like Fig. 3; After the product injection mo(u)lding is accomplished; Divide mould; Injection machine drives the dynamic model motion, and dynamic model separates with die joint between the cover half, and the bottom plate 20 of dynamic model continues to drive the space bar 90, stressed plate 42, straight-tooth moulding mold insert fixed head 44 and the straight-tooth moulding mold insert 60 that are fixedly connected with it and moves.Thereby and not therewith motion and separate second die joint that forms between push pedal 80 and the straight-tooth moulding mold insert fixed head 44 with straight-tooth moulding mold insert fixed head 44 and separate of the push pedal 80 that is connected with bottom plate 20 on-fixeds; The helical teeth moulding mold insert 30 that connects with push pedal 80 does not move with bottom plate 20 yet; Shaped article is reserved in the helical teeth moulding mold insert 30 simultaneously; Thereby straight-tooth moulding mold insert 60 partly separates with the straight-tooth of shaped article, realizes ejecting for the first time action.Simultaneously owing to following liftout plate 54 is connected with bottom plate 20 on-fixeds; Liftout plate does not separate with bottom plate 20 with bottom plate 20 motions; Thereby the department's cartridge module 70 that is arranged on the liftout plate does relative motion with respect to bottom plate 20 with push pedal 80; When dynamic model with after cover half separates, down fixing 20 plate stop motions, push rod promotes down liftout plate 54 and upper ejector plate 52 drive departments tins 74 to carry out ejecting the second time action product is ejected; Because being tubular spare, upwards pushes up on one side by department's tube; Drive on one side product and rotate with helical teeth moulding mold insert helical teeth moulding section and the helical gear product is ejected, that avoids having only vertical direction power directly ejects the damage helical gear, has well protected the quality of the product that molds.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.
Claims (10)
1. the secondary ejecting mechanism of a helical gear mould; It is characterized in that; Comprise: bottom plate, the moving platen that is connected with bottom plate, be arranged in the said moving platen and with mold the straight-tooth moulding mold insert of waiting to eject product straight-tooth part, adjacent setting with moving platen and with said moving platen between form dynamic model second die joint carry out ejecting for the first time action and support waiting to eject on the product to carry out ejecting the second time department's cartridge module of action to separate straight-tooth moulding mold insert and is connected and to mold partly the helical teeth moulding mold insert of helical teeth of waiting to eject product, be arranged on liftout plate on the bottom plate, be arranged on the said liftout plate and pass said straight-tooth moulding mold insert with the push pedal of product, with said push pedal, be provided with the stroke space that liftout plate moves between said moving platen and the bottom plate.
2. the secondary ejecting mechanism of helical gear mould as claimed in claim 1 is characterized in that, also comprises the pull bar that passes said moving platen and push pedal and when moulding, insert cover half.
3. the secondary ejecting mechanism of helical gear mould as claimed in claim 1; It is characterized in that; Said moving platen comprises stressed plate and the straight-tooth moulding mold insert fixed head that is mutually permanently connected; Said straight-tooth moulding mold insert and straight-tooth moulding mold insert fixed head are provided with and hold fixing card holding structure each other, the one side that said card holding structure places said straight-tooth moulding mold insert fixed head to be connected with said stressed plate.
4. the secondary ejecting mechanism of helical gear mould as claimed in claim 3 is characterized in that, said stressed plate is fixedly connected with bottom plate through space bar.
5. like the secondary ejecting mechanism of claim 1 or 3 or 4 described helical gear moulds; It is characterized in that; Said straight-tooth moulding mold insert comprises the standing part that is fixedly connected with said moving platen and molds the moulding section of waiting to eject product straight-tooth part that said standing part and said moulding section are mutually permanently connected.
6. the secondary ejecting mechanism of helical gear mould as claimed in claim 1; It is characterized in that said push pedal comprises push pedal main body that is provided with the side next-door neighbour of helical teeth moulding mold insert and the push pedal mold insert that is connected near straight-tooth moulding mold insert place one side with helical teeth moulding mold insert.
7. the secondary ejecting mechanism of helical gear mould as claimed in claim 1 is characterized in that, said liftout plate comprises that the upper ejector plate of adjacent setting reaches liftout plate down.
8. like the secondary ejecting mechanism of the said helical gear mould of claim 7, it is characterized in that said liftout plate is provided with the limited block of the said liftout plate stroke of restriction.
9. the secondary ejecting mechanism of helical gear mould as claimed in claim 1; It is characterized in that; Said department cartridge module comprises ejector pin and is set in the department's tube on the said ejector pin, the axle center that said ejector pin is fixed on the said bottom plate and when matched moulds, passes liftout plate, moving platen, straight-tooth moulding mold insert successively and wait to eject product.
10. a helical gear mould is characterized in that, comprising: like the secondary ejecting mechanism of any said helical gear mould of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201487092U CN202480344U (en) | 2012-03-31 | 2012-03-31 | Secondary ejection mechanism and helical gear forming mold comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201487092U CN202480344U (en) | 2012-03-31 | 2012-03-31 | Secondary ejection mechanism and helical gear forming mold comprising the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202480344U true CN202480344U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201487092U Expired - Lifetime CN202480344U (en) | 2012-03-31 | 2012-03-31 | Secondary ejection mechanism and helical gear forming mold comprising the same |
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| Country | Link |
|---|---|
| CN (1) | CN202480344U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990877A (en) * | 2012-10-12 | 2013-03-27 | 宁波意中模塑有限公司 | Rack-type speed-multiplying secondary ejecting device |
| CN103121252A (en) * | 2013-03-13 | 2013-05-29 | 健大电业制品（昆山）有限公司 | Thread barrel pushing-out mold |
| CN103660189A (en) * | 2013-12-26 | 2014-03-26 | 深圳市海翔铭实业有限公司 | Demoulding structure for plastic helical gear injection molding |
| CN105538407A (en) * | 2015-12-15 | 2016-05-04 | 东莞朗诚微电子设备有限公司 | Product separation method and structure in circuit frame separation mold of integrated circuit |
| CN106696208A (en) * | 2017-03-03 | 2017-05-24 | 深圳创维精密科技有限公司 | Rotating demoulding type mould |
| CN106965387A (en) * | 2017-01-12 | 2017-07-21 | 宁波职业技术学院 | A kind of nib cavity injection mold structure |
| CN107020726A (en) * | 2017-05-12 | 2017-08-08 | 珠海格力大金精密模具有限公司 | Preceding round brush mould |
| CN107984709A (en) * | 2017-12-11 | 2018-05-04 | 来素霞 | A kind of injection mold that can efficiently demould |
| CN111231244A (en) * | 2020-02-12 | 2020-06-05 | 东莞力浦精密电子有限公司 | Helical gear injection mold and helical gear |
| CN114248403A (en) * | 2021-12-17 | 2022-03-29 | 浙江工商职业技术学院 | Die and forming method |
| CN115056442A (en) * | 2022-07-01 | 2022-09-16 | 运怡（北京）医疗器械有限公司 | Demoulding device and demoulding method of PEEK gear injection mould |
-
2012
- 2012-03-31 CN CN2012201487092U patent/CN202480344U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990877A (en) * | 2012-10-12 | 2013-03-27 | 宁波意中模塑有限公司 | Rack-type speed-multiplying secondary ejecting device |
| CN103121252A (en) * | 2013-03-13 | 2013-05-29 | 健大电业制品（昆山）有限公司 | Thread barrel pushing-out mold |
| CN103660189A (en) * | 2013-12-26 | 2014-03-26 | 深圳市海翔铭实业有限公司 | Demoulding structure for plastic helical gear injection molding |
| CN105538407A (en) * | 2015-12-15 | 2016-05-04 | 东莞朗诚微电子设备有限公司 | Product separation method and structure in circuit frame separation mold of integrated circuit |
| CN106965387B (en) * | 2017-01-12 | 2019-01-22 | 宁波职业技术学院 | A kind of pen tip cavity injection mold structure |
| CN106965387A (en) * | 2017-01-12 | 2017-07-21 | 宁波职业技术学院 | A kind of nib cavity injection mold structure |
| CN106696208A (en) * | 2017-03-03 | 2017-05-24 | 深圳创维精密科技有限公司 | Rotating demoulding type mould |
| CN107020726A (en) * | 2017-05-12 | 2017-08-08 | 珠海格力大金精密模具有限公司 | Preceding round brush mould |
| CN107020726B (en) * | 2017-05-12 | 2022-10-21 | 珠海格力大金精密模具有限公司 | Front rolling brush forming die |
| CN107984709A (en) * | 2017-12-11 | 2018-05-04 | 来素霞 | A kind of injection mold that can efficiently demould |
| CN111231244A (en) * | 2020-02-12 | 2020-06-05 | 东莞力浦精密电子有限公司 | Helical gear injection mold and helical gear |
| CN114248403A (en) * | 2021-12-17 | 2022-03-29 | 浙江工商职业技术学院 | Die and forming method |
| CN115056442A (en) * | 2022-07-01 | 2022-09-16 | 运怡（北京）医疗器械有限公司 | Demoulding device and demoulding method of PEEK gear injection mould |
| CN115056442B (en) * | 2022-07-01 | 2024-03-12 | 运怡（北京）医疗器械有限公司 | Demolding device and demolding method for PEEK gear injection mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ZHAOWEI MACHINERY + ELECTRONICS CO., LTD. Free format text: FORMER OWNER: LI HAIZHOU Effective date: 20130227 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130227 Address after: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Shenzhen, Guangdong, Baoan District Patentee after: Shenzhen Zhaowei Machinery & Electronics Co., Ltd. Address before: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Shenzhen, Guangdong, Baoan District Patentee before: Li Haizhou |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong Patentee after: Shenzhen mechatronics, mechatronics and Limited by Share Ltd Address before: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong Patentee before: Shenzhen Zhaowei Machinery & Electronics Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
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| CX01 | Expiry of patent term |