CN201848958U - Hollow elastic ball molding machine - Google Patents
Hollow elastic ball molding machine Download PDFInfo
- Publication number
- CN201848958U CN201848958U CN2010201937540U CN201020193754U CN201848958U CN 201848958 U CN201848958 U CN 201848958U CN 2010201937540 U CN2010201937540 U CN 2010201937540U CN 201020193754 U CN201020193754 U CN 201020193754U CN 201848958 U CN201848958 U CN 201848958U
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- motor
- machine
- elastic force
- hollow elastic
- rotating shaft
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Abstract
The utility model discloses a hollow elastic ball molding machine which comprises a base body, an X-direction driving device, a Y-direction driving device and a mold device, wherein the X-direction driving device is arranged on the base body and drives an outer frame to rotate along with an X-direction rotating shaft through an X-direction motor; the Y-direction driving device is arranged on the outer frame and drives an inner frame to rotate along with a Y-direction rotating shaft through a Y-direction motor fixed on the outer frame, wherein the inner frame is movably arranged within the inner diameter range of the outer frame; and the mold device comprises a tray which can be fixed on the inner frame and a mold which can be fixed on the tray. After liquid raw materials are fed into the mold and the mold is closed and placed on the tray, the outer frame and the inner frame respectively rotate along an X-direction and a Y-direction, the raw materials are enabled to be evenly attached onto the inner wall surface of the mold and thereby a hollow elastic ball is molded. A plurality of ball molding machines can be arranged on one turntable to cooperate with working personnel to operate more efficiently.
Description
Technical field
The utility model relates to a kind of machine that possesses flexible hollow elastic force ball that is used for making.
Background technology
Common ball such as basketball, football is after utilizing the elastomeric material moulding, air injected to expand in the spheroid make spheroid produce elastic force; Another kind of then is to be solid by PU (polyamine fat) forming materials near the elastic force ball of toy character, utilizes the rubber-like character of material own that elastic force is provided.The elastic force ball of another hollow is also for utilizing the PU material to come moulding, and the space can be injected liquid according to need or insert ornament in the spheroid of its hollow, even can or form various appearance at internal face colored drawing pattern, the decorative pattern of spheroid.
The PU material that is used for making described elastic force ball is to be formed according to the special ratios mixing preparation by at least two kinds of liquid chemical raw materials, and this liquid material can produce chemical reaction after mixing, and is solidified into elastomer in a period of time gradually.Based on technology limitation, make wherein a kind of mode of hollow elastic force ball at present with the PU material, be the PU material to be coated mould inner surface come moulding; In the process, utilize mould on the spheroid of moulding, to reserve fluid and annotate mouth, inject spheroid, and then utilize that envelope mouth plug is crowded goes into fluid and annotate mouth and seal in the successive process gas or liquid being annotated mouth via this fluid.In the prior art, insert liquid PU material in the mould after, need by manually every mould constantly being overturn, make liquid PU material flow to each position of die cavity, simultaneously by being solidified into the rubber-like spheroid; Because the curing of PU material needs several minutes, so individual workman's output can't promote always, if take the increase of overall productivity into account, then cost of labor certainly will significantly increase.In addition, the operating type of manually-operated mould also can be because of the in poor shape of the difference of individual skill or the health at that time of working and cause spheroid problem in uneven thickness, spheroid in uneven thickness, the center of gravity that then can have influence on spheroid is not in the center, and the uneven influence of product quality is very big.
The utility model content
The purpose of this utility model is to provide a kind of restriction that can overcome the factor of material own, and can make the spheroid make-up machine of hollow elastic force ball in a large number.
A wherein feature of the present utility model, provide a kind of spheroid make-up machine that can make mould continue the hollow elastic force ball of rotation at two-dimensional directional, by in the lasting rotation of two-dimensional directional and the time difference of rotation, make to place the raw material in the mould to be distributed equably attached to the die cavity surface, final molding goes out hollow elastic force ball under the condition that does not need the manpower long-time operation.
Another feature of the present utility model provides a kind of electric connection structure with intention, makes that driving mould continues to be able to be powered constantly at the drive unit of two-dimensional directional rotation.
A feature more of the present utility model is to provide a kind of die device that can conveniently install or take apart a die at described spheroid make-up machine, and this die device can also be changed fast according to the varying in size of elastic force ball of the moulding of wanting and be used for placing die needed tray.
Technological means of the present utility model, include a pedestal, an X to drive unit, a Y to a drive unit and a die device.Described X to drive unit comprise one be provided with X to the housing of rotating shaft and an X to motor, described X is to rotating shaft and is located at this pedestal rotationally, this X to motor and X to rotating shaft be respectively equipped with an X to driving component and an X to passive component, this X is connected with at least one first coupling assembling between passive component with X to driving component, drives described housing along with X rotates to rotating shaft by this X to motor.Described Y is to drive unit, comprise one be provided with Y to the inside casing of rotating shaft and a Y to motor, described inside casing is to be located in this housing inside diameter ranges rotationally, this Y to motor and Y to rotating shaft be respectively equipped with a Y to driving component and a Y to passive component, this Y is connected with at least one second coupling assembling between passive component with Y to driving component, drives described inside casing along with Y rotates to rotating shaft by this Y to motor.Described die device can be fixed in this inside casing.
As a kind of selection, the utility model is for the technological means of described X to drive unit, be X to be set to drive pulley to motor at X, and X is set to negative pulley wheel to rotating shaft at the X that is fixed in housing, and with belt connect this X to drive pulley and X to negative pulley wheel, make X drive housing along with X rotates to rotating shaft to motor.
As a kind of selection, the utility model is for the technological means of described Y to drive unit, can Y be set to drive pulley to motor at Y, and to rotating shaft negative pulley wheel is set at the Y that is located at inside casing and housing, and with belt connect this Y to drive pulley and Y to negative pulley wheel, make Y drive inside casing along with Y rotates to rotating shaft to motor.
As a kind of selection, the utility model can be provided with a power-supply controller of electric and an X to the motor speed regulator regularly at described pedestal, described housing then fixedly installs a Y to the motor speed regulator, power-supply controller of electric electrically connect simultaneously this X to motor speed regulator and Y to the motor speed regulator, X to motor speed regulator and Y to the motor speed regulator then electrically connect respectively X to motor and Y to motor; After providing current to described each speed regulator by this power-supply controller of electric, control respectively again X to motor or Y to motor running and rotating speed.Because housing and inside casing rotate constantly, in order to make the Y that is fixed in housing not be subjected to impeding of conductor wire and the power supply that obtains to continue to the motor speed regulator, this is novel for power-supply controller of electric and the Y electric connection structure to the motor speed regulator, be to be provided with insulated from each other to rotating shaft at described X, and can be with first conductive component and second conductive component of this X to the rotating shaft rotation, described Y electrically connects this first conductive component and second conductive component to the motor speed regulator respectively with first power line and second source line; Described power-supply controller of electric then combines first conducting strip and second conducting strip respectively with first conductor wire and second conductor wire, makes this first conducting strip electrically contact this first conductive component and second conductive component respectively with second conducting strip again.
The technological means of die device of the present utility model includes a mould and a tray, and this tray is provided with magnet, and described mould is provided with and can adsorbs fixing object mutually with this magnet; This can adsorb fixing object mutually with magnet can be metal fastener fixing when being used for the patrix of described mould and counterdie matched moulds.The internal diameter symmetry both sides of aforementioned inside casing are provided with bearing support, described tray can be fixed on this two bearing support, described mould can be fixed on this tray, this tray has the centre bore that can insert mould, on the tray magnet can be set, when mould was inserted this centre bore, the metal fastener of being located at mould can directly be attracted to this magnet and fix; Described magnet can also adsorb the tray of smaller szie, to be used for the less hollow elastic force ball of moulding.
The utility model further includes and is used for described tray is fixed in fixation kit on this bearing support; This fixation kit can be a kind of spring chuck of U-shaped.
As preferable selection, the utility model can also comprise a rotary machine, this rotary machine has the annular microscope carrier that can be driven in rotation, and annular microscope carrier can be the multilayer setting in vertical direction, aforesaid a plurality of spheroid make-up machine can be located on this annular microscope carrier, the rotary speed of annular microscope carrier can be set according to the speed of the curing of the raw material in the mould, allow mould when an ad-hoc location is transported to another ad-hoc location by annular microscope carrier, just be that raw material solidifies and to finish and can mold removal the time, use the cost that reduces the manpower operation.Described rotary machine includes a vertical main shaft, and this main shaft is provided with a rotating disk, and this rotating disk connects this annular microscope carrier with a plurality of ribs.
Description of drawings
Fig. 1 is for showing the forward sight floor map of spheroid shaping machine structure of the present utility model.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 overlooks under the state view after outer framework and internal frame body are driven in rotation for the spheroid make-up machine that shows utility model.
Fig. 4 is the three-dimensional exploded view of the primary clustering syntagmatic of demonstration die fixture of the present utility model.
Fig. 5 is the structure that shows after die fixture of the present utility model makes up, and mould is fixed on the sectional perspective schematic diagram on the tray.
Fig. 6 is for showing the embodiment section plan of mould structure of the present utility model.
Fig. 7 is for showing power-supply controller of electric of the present utility model and the X schematic diagram to the motor electric connection structure.
Fig. 8 for the housing that shows spheroid make-up machine of the present utility model and inside casing respectively X to Y to the schematic diagram that rotates simultaneously.
Fig. 9 for show the utility model with a plurality of spheroid make-up machine annular array be located at the embodiment schematic top plan view of a rotary machine.
Figure 10 can be located at a plurality of spheroid make-up machines the embodiment front-view schematic diagram of one rotary machine for showing the utility model with being multilayer and annular array.
The specific embodiment
Those skilled in the art below cooperate Figure of description that embodiment of the present utility model is done more detailed description, so that can implement after studying this specification carefully according to this.
At first consult Fig. 1 and Fig. 2, the spheroid make-up machine M of the hollow elastic force ball that the utility model provides, its preferred embodiment, be include a pedestal 1, an X to drive unit 2, a Y to a drive unit 3 and a die device 5.
Described pedestal 1 is " ㄩ " shape substantially and has and is positioned at relative side walls 11.X includes a housing 29 to drive unit 2, the two opposite outer of housing 29 is provided with an X respectively coaxially to rotating shaft 23, X then is provided with insulating element 27A to rotating shaft 23 outsides, this two X is matched with the bearing 25 that is located on pedestal 1 two side 11 respectively to rotating shaft 23, make X can on pedestal 1, rotate freely, also drive insulating element 27A simultaneously and rotate synchronously to rotating shaft 23; The X of one side to rotating shaft 23 be provided with an X to negative pulley wheel 24 as passive component, then be provided with regularly on the pedestal 1 one be provided with X to drive pulley 211 with as the X of driving component to motor 21, X is connected with belt 22 between negative pulley wheel 24 with X to drive pulley 211, X is able to drive X to rotating shaft 23 rotations via belt 22 when motor 21 runnings, and then makes housing 29 along with X rotates to rotating shaft 23.Y comprises relative both sides to drive unit 3 and is provided with the inside casing 35 of Y to rotating shaft 34A and 34B, with a Y who fixedly is located at housing 29 to motor 31, described inside casing 35 is located in the inside diameter ranges of housing 29 to rotating shaft 34A and 34B versatilely by Y; Y to motor 31 and Y to rotating shaft 34A be respectively equipped with a Y to drive pulley 311 and a Y to negative pulley wheel 33, Y is connected with at least one belt 32 between negative pulley wheel 33 with Y to drive pulley 311, and Y is driven inside casing 35 when motor 31 runnings be the center rotation with Y to rotating shaft 34A and 34B.
The utility model is fixed on pedestal 1 with a power-supply controller of electric 4 and an X to motor speed regulator 42, and a Y is fixed on housing 29 with Y to motor 31 to motor speed regulator 43; Power-supply controller of electric 4 electrically connects to motor speed regulator 42 with X, and X electrically connects to motor 21 to 42 in motor speed regulator and X; Power-supply controller of electric 4 electrically connects to motor speed regulator 43 with Y again, and Y electrically connects to motor 31 to 43 in motor speed regulator and Y.Power-supply controller of electric 4 provide current to X to motor speed regulator 42 and Y to motor speed regulator 43, and then control respectively X to motor 21 and Y to motor 31 runnings, rotate simultaneously with inside casing 35 to drive housing 29, it rotates form such as Fig. 3 and shown in Figure 8.
Join shown in Figure 7, because Y is along with housing 29 rotations to motor speed regulator 43, power-supply controller of electric 4 then is fixed on the pedestal 1, if directly adopt power line that power-supply controller of electric 4 is electrically connected to motor speed regulator 43 with Y, then power line will certainly twine impaired because of the rotation of housing 29; Therefore, in order to make power-supply controller of electric 4 and Y between motor speed regulator 43, be continued to electrically connect, better embodiment of the present utility model, be to be provided with at least one first conductive component 26A and the second conductive component 26B at insulating element 27A, between the first conductive component 26A and the second conductive component 26B, and isolated with insulating element 27 respectively between described conductive component and other assembly and the housing, the first conductive component 26A and the second conductive component 26B can be rotated to rotating shaft 23 with X.Y electrically connects the first conductor wire 28A and the second conductor wire 28B to motor speed regulator 43, and the first conductor wire 28A and the second conductor wire 28B then electrically connect the first conductive component 26A and the second conductive component 26B respectively; 4 of power-supply controller of electric combine the first conducting strip 44A and the second conducting strip 44B respectively with the first power line 41A and second source line 41B, make again this first conducting strip 44A and the second conducting strip 44B respectively the outer surface of this first conductive component 26A of Elastic Contact and the second conductive component 26B to finish electric connection, therefore, even X rotates constantly to rotating shaft 23, also can permanently keep power-supply controller of electric 4 and the electric connection of Y to motor speed regulator 43.
Fig. 4 to Fig. 6 is for showing the structure of this novel die device 5, this die device 5 provides in the inside diameter ranges that is located at inside casing 35, it can comprise the mould 51 of the inside diameter ranges that can be installed on inside casing 35, and mould 51 fit structure (not shown) with inside casing 35 internal diameters own are located in utilization allows mould be directly fixed on inside casing; This die device 5 also can comprise the tray 52 that the bearing support 53, on the internal diameter symmetry both sides of being located at inside casing 35 can be fixed on this two bearing support 53, and a mould 51 that can be fixed on this tray 52.Described tray 52 can be circle, its relative both sides are provided with ear 522, central authorities have a centre bore 521 that is used for putting mould 51, above the tray 52 around the centre bore 521 a plurality of magnet 55 are set, when two ears 522 of tray 52 are positioned on the bearing support 53, can utilize the spring chuck 54 that takes the shape of the letter U that fixing (as shown in Figure 5) clamped with bearing support 53 by ear 522, in the time will changing the tray that possesses the different size centre bore, then spring chuck 54 is extracted, reclamped fixing getting final product after to be replaced the finishing.Described mould 51 is made up of patrix 51A and counterdie 51B, the periphery of counterdie 51B is provided with a plurality of metal fasteners 511, behind patrix 51A and counterdie 51B matched moulds, can utilize described fastener 511 to fasten the flange 512 of patrix and counterdie, upper and lower mould driving fit is fixed.When mould 51 is placed the centre bore 521 of tray 52, the flange 512 that makes mould simultaneously is above the tray of centre bore 521 peripheries, and fastener 511 is held fixing by magnet 55, therefore, mould 51 can be driven by housing 29 and inside casing 35 and continue rotation at two-dimensional directional, is covered with die cavity inner surface (as shown in Figure 6) equably up to the PU raw material 7 that places mould inside.
Aforementioned is the spheroid make-up machine M of a separate unit, and still, in order further to promote output, the utility model can be as Fig. 9 and the rotary machine 6 that provides shown in Figure 10, and a plurality of spheroid make-up machine M are located on this rotary machine 6; Described rotary machine 6 includes a vertical main shaft 64, and main shaft 64 is combined with a rotating disk 63, and rotating disk 63 is horizontally disposed with a plurality of ribs 62 in the radial arrangement mode, and 62 on described rib is provided with an annular microscope carrier 61 jointly; Described annular microscope carrier 61 can be provided with a plurality of as shown in figure 10, and axially establishing at various height along this main shaft 64.Aforesaid a plurality of spheroid make-up machine M is located on this annular microscope carrier 61, main shaft 64 drives rotation by the motor (not shown), and then drive 61 rotations of annular microscope carrier, the rotary speed of annular microscope carrier 61 can be set according to the speed of the curing of the PU raw material in the mould 51, allow mould when an ad-hoc location is transported to another ad-hoc location by annular microscope carrier, just be that raw material solidifies and to finish and can mold removal the time, use the cost that reduces the manpower operation.
The above only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; therefore; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.
Claims (15)
1. the spheroid make-up machine of a hollow elastic force ball is characterized in that, includes:
One pedestal;
One X is to drive unit, comprise one be provided with X to the housing of rotating shaft and an X to motor, described X is to rotating shaft and is located at this pedestal rotationally, this X to motor and X to rotating shaft be respectively equipped with an X to driving component and an X to passive component, this X is connected with at least one first coupling assembling between passive component with X to driving component, drives described housing along with X rotates to rotating shaft by this X to motor;
One Y is to drive unit, comprise one be provided with Y to the inside casing of rotating shaft and a Y to motor, described inside casing is to be located in this housing inside diameter ranges rotationally, this Y to motor and Y to rotating shaft be respectively equipped with a Y to driving component and a Y to passive component, this Y is connected with at least one second coupling assembling between passive component with Y to driving component, drives described inside casing along with Y rotates to rotating shaft by this Y to motor;
One die device can be fixed in this inside casing.
2. the spheroid make-up machine of hollow elastic force ball as claimed in claim 1 is characterized in that, described X to driving component and X to passive component be respectively X to drive pulley and X to negative pulley wheel, described first coupling assembling is a belt.
3. the spheroid make-up machine of hollow elastic force ball as claimed in claim 1 or 2 is characterized in that, described Y to driving component and Y to passive component be respectively Y to drive pulley and Y to negative pulley wheel, described second coupling assembling is a belt.
4. the spheroid make-up machine of hollow elastic force ball as claimed in claim 1 is characterized in that described X is fixed on this pedestal to motor, and described Y is fixed on this housing to motor.
5. the spheroid make-up machine of hollow elastic force ball as claimed in claim 1, it is characterized in that, described housing is fixedly provided with the Y that electrically connects to motor with this Y to the motor speed regulator, this pedestal then is fixedly provided with a power-supply controller of electric, and one and the X that electrically connects to motor of this X to the motor speed regulator, by this power-supply controller of electric provide current to X to motor speed regulator and Y to the motor speed regulator, and then control X to motor and Y to motor running and rotating speed.
6. the spheroid make-up machine of hollow elastic force ball as claimed in claim 5, it is characterized in that, described power-supply controller of electric and Y are to the electric connection structure of motor speed regulator, be to be provided with insulated from each other to rotating shaft at described X, and can be with first conductive component and second conductive component of this X to the rotating shaft rotation, described Y electrically connects this first conductive component and second conductive component to the motor speed regulator respectively with first conductor wire and second conductor wire, described power-supply controller of electric then combines first conducting strip and second conducting strip respectively with first power line and second source line, makes this first conducting strip electrically contact this first conductive component and second conductive component respectively with second conducting strip again.
7. the spheroid make-up machine of hollow elastic force ball as claimed in claim 1 is characterized in that, described die device comprises a mould and a tray, and this tray is provided with magnet, and described mould is provided with and can adsorbs fixing object mutually with this magnet.
8. the spheroid make-up machine of hollow elastic force ball as claimed in claim 7 is characterized in that, describedly can adsorb fixing object mutually with this magnet, is metal fastener fixing when being used for the patrix of described mould and counterdie matched moulds.
9. as the spheroid make-up machine of claim 7 or 8 described hollow elastic force balls, it is characterized in that described tray has the centre bore that can supply this mould to be placed in one.
10. as the spheroid make-up machine of claim 7 or 8 described hollow elastic force balls, it is characterized in that, further include and be used for this tray is fixed in fixation kit on this bearing support.
11. the spheroid make-up machine of hollow elastic force ball as claimed in claim 10 is characterized in that, described fixation kit is a kind of spring chuck of U-shaped.
12. the spheroid make-up machine of hollow elastic force ball as claimed in claim 1 is characterized in that, further comprises a rotary machine, this rotary machine has the annular microscope carrier that can be driven in rotation, and a plurality of described spheroid make-up machines are located on this annular microscope carrier.
13. the spheroid make-up machine of hollow elastic force ball as claimed in claim 12 is characterized in that, described rotary machine includes a vertical main shaft, and this main shaft is provided with a rotating disk, and this rotating disk connects this annular microscope carrier with a plurality of ribs.
14. the spheroid make-up machine of hollow elastic force ball as claimed in claim 13 is characterized in that, described annular microscope carrier has a plurality of, and along the different height of being axially disposed within of this main shaft.
15. the spheroid make-up machine of hollow elastic force ball as claimed in claim 1 is characterized in that, further comprises bearing support, a tray that can be fixed on this bearing support of being located at this inside casing, and a mould that can be fixed on this tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201937540U CN201848958U (en) | 2010-05-18 | 2010-05-18 | Hollow elastic ball molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201937540U CN201848958U (en) | 2010-05-18 | 2010-05-18 | Hollow elastic ball molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201848958U true CN201848958U (en) | 2011-06-01 |
Family
ID=44091369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201937540U Expired - Fee Related CN201848958U (en) | 2010-05-18 | 2010-05-18 | Hollow elastic ball molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201848958U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240458A (en) * | 2010-05-14 | 2011-11-16 | 龙门县佳茂聚氨酯橡胶有限公司 | Sphere forming machine for hollow elastic sphere |
| CN107791425A (en) * | 2017-12-01 | 2018-03-13 | 肖玲丽 | A kind of production system of polyurethane table tennis |
| WO2018082124A1 (en) * | 2016-11-02 | 2018-05-11 | 东莞市聚成福环保材料有限公司 | Hollow elastic ball production process and centrifugal molding machine thereof |
| CN111043476A (en) * | 2019-12-30 | 2020-04-21 | 江西核工业测绘院 | Laser radar mapping equipment and damping assembly thereof |
| CN113878774A (en) * | 2021-09-23 | 2022-01-04 | 伟达塑胶工业（南通）有限公司 | PVC body-building sphere rotational molding process |
-
2010
- 2010-05-18 CN CN2010201937540U patent/CN201848958U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240458A (en) * | 2010-05-14 | 2011-11-16 | 龙门县佳茂聚氨酯橡胶有限公司 | Sphere forming machine for hollow elastic sphere |
| WO2018082124A1 (en) * | 2016-11-02 | 2018-05-11 | 东莞市聚成福环保材料有限公司 | Hollow elastic ball production process and centrifugal molding machine thereof |
| CN107791425A (en) * | 2017-12-01 | 2018-03-13 | 肖玲丽 | A kind of production system of polyurethane table tennis |
| CN111043476A (en) * | 2019-12-30 | 2020-04-21 | 江西核工业测绘院 | Laser radar mapping equipment and damping assembly thereof |
| CN111043476B (en) * | 2019-12-30 | 2021-03-23 | 江西核工业测绘院集团有限公司 | Laser radar mapping equipment and damping assembly thereof |
| CN113878774A (en) * | 2021-09-23 | 2022-01-04 | 伟达塑胶工业（南通）有限公司 | PVC body-building sphere rotational molding process |
| CN113878774B (en) * | 2021-09-23 | 2022-08-02 | 伟达塑胶工业（南通）有限公司 | PVC body-building sphere rotational molding process |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20130518 |