CN101802279A - Spinning frame with a tangential belt driving system for spindles - Google Patents
Spinning frame with a tangential belt driving system for spindles Download PDFInfo
- Publication number
- CN101802279A CN101802279A CN200880108011A CN200880108011A CN101802279A CN 101802279 A CN101802279 A CN 101802279A CN 200880108011 A CN200880108011 A CN 200880108011A CN 200880108011 A CN200880108011 A CN 200880108011A CN 101802279 A CN101802279 A CN 101802279A
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- belt
- axle
- motor
- fine spining
- another
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
- D01H1/241—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles driven by belt
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- General Details Of Gearings (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The present invention relates to a spinning frame with tangential movement system of the spindles (4a). The system provides spindle groups mechanically connected to one another for balancing the action of the motors (6) on the respective spindles and for which the belts (8,16) are unencumbered by structural obstacles, so as to facilitate their replacement.
Description
Technical field
The objective of the invention is a kind of fine spining machine that is used for obtaining the coil of wire from the coarse sand volume.
Background technology
As known, after finishing traction and reverse on rove, fine spining machine can be processed the rove volume that is used for obtaining from it the coil of wire.
For this reason, this fine spining machine comprises door frame, and the rove volume is suspended on this door frame, and the axis extension longitudinally of this door frame.
The downstream of rove volume is provided with draw-gear, and it comprises one group of cylinder with longitudinal extension part, and rove passes between this cylinder to be pulled.
In the downstream of draw-gear, on pedestal, be provided with a plurality of axles, these axles longitudinally axis are arranged in a row, and around their vertical axis rotation, the line that is pulled and reverses is wrapped on the axle.
In order to improve the productivity ratio of fine spining machine, present two relative creels usually, each creel is equipped with row's axle.
Move axle by belt shifter in the mode of rotating around vertical axis, wherein, this belt moves and engages the axle of two creels by motor.
The multiple solution that has the mobile device that is used for fine spining machine.
For example, some solutions are shown in the document EP 0400260 by same applicant and are shown in US 5,590, and 514, shown in US 4,944,144, WO 2007/039260, DE 2125597, DE 3441230, EP 202253 and the NL 7702799.
Yet this solution presents some shortcomings.
For example, some solutions present the shortcoming relevant with the performance of maintenance or maintenance operation.
In fact, the belt of mobile device is usually impaired, so need change it.
Damaged belt is easy to extract out from fine spining machine, yet, the new belt of making single closed annular spare can not be installed and maybe can install only very difficult and lose time, and this is because the existence of other gear of fine spining machine is a kind of obstacle for belt being inserted on the pedestal for the possibility of the axle that engages two creels.
For example, this just in time takes place on the fine spining machine in document NL 7702799, and wherein mobile belt forms and has the intentionally closed path of axle in it.
As a kind of alternative, it is possible that new open type belt is installed, in case that its location is just closed; Yet, under the sort of situation, exist the reliability of sizable waste of time and new belt lower equally, this is not present in the single-piece but is presented on two edges attached to each other.
On the other hand, other solution is because different at the stretching branch that is spurred by motor and the tension force that loosens between the branch and the most important thing is to produce on by the belt of the same branch that axle engaged, the result causes rotating speed different, common unacceptable axle, thereby causes presenting the shortcoming that can not effectively drive a large amount of axles.For example, this occurs in the fine spining machine described in the EP 0400260.
Some has also presented having differing heights and has engaged the shortcoming that belt is set on the surface of the axle in the zones of different thus.This means the different axles or the axle of inclination are set, this has sizable 26S Proteasome Structure and Function complexity.For example, this occurs in the fine spining machine described in document DE 3441230, EP 202 253 and the NL 7702799.
This need realize different axles or inclination axle, and this has significant structure or functional complexity.
Summary of the invention
The purpose of this invention is to provide a kind of fine spining machine that has the belt drive system that is used for axle, it should overcome the mentioned shortcoming about prior art when satisfying above-mentioned requirements.
This purpose realizes by fine spining machine according to claim 1.Independent claims have been described the embodiment modification.
Description of drawings
Will be from below by more clearly displaying as an illustration and the description made of the mode of nonrestrictive example with reference to the accompanying drawings, wherein according to the feature of fine spining machine of the present invention and advantage:
Fig. 1 shows the stereogram according to the part of fine spining machine of the present invention;
Fig. 2 shows the stereogram of another part of the fine spining machine of Fig. 1;
Fig. 3 shows the floor map of the fine spining machine of Fig. 1 and Fig. 2;
Fig. 3 a and Fig. 3 b show the enlarged drawing of the part of Fig. 3;
Fig. 4, Fig. 4 a and Fig. 4 b show floor map and the relative enlarged drawing of fine spining machine according to the present invention according to another embodiment modification respectively;
Fig. 5, Fig. 5 a and Fig. 5 b show respectively according to fine spining machine according to the present invention according to the floor map of an embodiment modification again and enlarged drawing relatively;
Fig. 6 shows the floor map of fine spining machine according to the present invention according to the part of another embodiment modification;
Fig. 7 shows the floor map according to the part of the fine spining machine of another embodiment modification.
The specific embodiment
According to fine spining machine of the present invention axis X extension longitudinally substantially, and comprise the support door frame that is used to hang the rove volume that is intended to handle.This door frame extends being at a distance of higher height in the top area of fine spining machine with the stayed surface T of machine.
And this fine spining machine comprises the rove draw-gear, and it is located at the intermediate altitude place, comprises vertical setting and the cylinder of one group of coupling being suitable for rotating along they self axis.Rove passes between this is to cylinder, relies on the different rotating speeds of coupling cylinder and is drawn.
The fine spining machine that is provided with in the bottom section of machine also comprises a plurality of axles, its longitudinally axis X be arranged as a row, and have vertical axis Z, axle is suitable for rotating around this vertical axis.
Particularly, fine spining machine comprises the first creel 1a and the second creel 1b, this first creel 1a comprises the axle 4a of the first row 2a, and this second creel 1b comprises the axle 4b of the second row 2b, and the first creel 1a and the second creel 1b are along spaced apart perpendicular to the axis T of longitudinal axis X
Therefore the working region is limited between described creel 1a, the 1b.
Fine spining machine comprises at least one electro-motor 6 and forms the mobile belt 8 that is presented in the closed path on the belt plane.
For example, belt is flat and tangential, that is, and and along the direction engage spindle tangent with its pivot center.
According to preferred embodiment, the axle external engagement is in belt path (Fig. 3, Fig. 4 and Fig. 5), that is, they are arranged as with belt 8 tangent, are arranged at the outside in formed path thus.
According to the embodiment modification, the axle interior bonds is in belt path (Fig. 6), that is, they are arranged as with belt 8 tangent, is arranged at formed path thus in inside.
Fine spining machine also has the structural obstructions thing, and it is located in the working region, limits to be the obstacle part on the belt plane.
For example, draw-gear, and particularly its cylinder is supported by first post 10 in predetermined height, and first post 10 rest on the ground or on the base construction of fine spining machine, between creel 1a, 1b, and forms the structural obstructions thing; What described first cornice had a belt plane defines the obstacle part.
According to another example, the door frame that is used for rove volume higher height place by rest on the ground or the base construction of fine spining machine on second post support, between creel 1a, 1b and form the structural obstructions thing; Described second cornice has another obstacle part that defines on belt plane.
For fine spining machine, described obstacle part is in the outside in the path of mobile belt 8, to help its replacing.
In other words, belt path limits enclosed region and obstacle part in the outside of this enclosed region, so that belt is not arranged around the structural obstructions thing.
Particularly, fine spining machine comprises a pair of pulley 12 that departs from, and is used to make belt path to begin to depart from from motor.
Therefore belt path comprises active part 8a, and it engages with axle; Depart from part 8b, it engages with motor 6, and is included between the described deflection pulley 12; And returning part 8c, it is at active part 8a and depart between the part 8b.
And returning part 8c is parallel to active part 8a and extends, that is, they are crooked on this active part 8a along its pattern, depart from pulley 12 up to arrival.
According to the embodiment modification, the active part 8a of belt path engages the axle 4a of single creel 1a.This takes place when the axle group is in the center of this creel.
According to another embodiment modification, active part 8a engages axle 4a, the 4b (Fig. 2) of two creel 1a, 1b.
Preferably, fine spining machine comprises that the axle group that this axle wherein has a single creel has the axle group (Fig. 3) of two different creels with its central shaft.
According to the embodiment modification, fine spining machine comprises and connects belt 13 and only comprise that its central shaft has the axle group (Fig. 4) of single creel; In said embodiment, one group of creel and one group of other creel are by being connected belt 13 mechanical engagement.
According to an embodiment modification again, fine spining machine comprises that its central shaft has the axle group of single creel and creel and the axle component of other creel is left (Fig. 5).
According to preferred embodiment, motor 6 can be located along axis T, is used for this mobile belt that stretches.
For example, fine spining machine comprises motor plate 22, and motor 6 is integrally formed to this motor plate 22, and described plate moves and can be fixed in the desired position along axis T, and mobile belt 8 is used to stretch.
According to another embodiment, fine spining machine comprises that another electro-motor 14 and another move belt 16, and its axle with another motor 14 and predetermined quantity operatively engages, and is used for making their motions in the mode of rotating.For example, with regard to the same belt arrival that engages with axle drove as far as motor and by its, belt 16 directly cooperated with motor 14.Another motor 14, another belt 16 and other axle form another axle group.
Another moves belt 16 and preferably establishes at grade with mobile belt 8.
Axle group and another axle group mechanical connection are used for the action of balancing motor 6,14 on respective mandrels.
Particularly, the connection between the axle group realizes by means of the balance belt; For example, fine spining machine comprises equalizer pulley 18, and it engages with another belt 16 of another axle group; With balance belt 2, it cooperates with motor 6 and equalizer pulley 18, is used for the axle group is mechanically connected to another axle group.
Preferably, the balance belt is also in the outside of structural obstructions thing, and particularly, forms closed path in the outside of the obstacle part of first post 10 or second post.
Advantageously, all have the rotating speed that mechanical connection between the different axle groups of respective motors makes it possible to adjust whole fine spining machine axles, this is because the transmission of driving torque occurs between the connection group automatically according to the instantaneous needs of fine spining machine.
Preferably, equalizer pulley 18 can be located along axis T, and being used to stretch, another moves belt 16 or balance belt 20.
For example, fine spining machine comprises pulley plate 24, and pulley 18 is integrally formed to this pulley plate 24, and described plate moves and can be fixed in the desired position along axis T, and mobile belt 16 or balance belt 20 are used to stretch.
According to another embodiment modification, balance belt 20 engages with motor 6 and another motor 14.
According to preferred embodiment, the axle group comprises along isolated two of axis T and departs from pulley 12c, 12d (Fig. 7).
For example, depart from pulley 12d and approach this row's axle most, pulley 12c then is positioned at its far-end; Particularly, depart from the inside that pulley 12d is positioned at the desirable section that the line part branch by mobile belt 8 limits.
In other words, the straight active part 8a of the belt 8 that engages with axle 4a and straight returning part 8c is spaced and therefore limit a kind of section departs from pulley 12d near the axle location in this section.
In addition, according to preferred embodiment, motor 6 and equalizer pulley 18 are installed on single-motor plate 22.
And, preferably, depart from pulley 12,12c, 12d and in position be laterally or vertically adjustable, with their position of thickness optimization according to employed belt.
According to preferred embodiment, the position of pulley is to use the bolt guiding mechanism laterally promptly, along with axis T is adjustable.
Have originally, can overcome the shortcoming of known solution and satisfy the requirement in this field according to fine spining machine of the present invention.
Particularly, can replace belts damaged or wearing and tearing with whole belt easily and apace according to fine spining machine of the present invention, because this whole belt arrangement becomes not surround the part of structural obstructions thing.
And the rotating speed of axle is regulated by the mechanical engagement between the different axle groups.
This favourable aspect also influences the cheapness manufacturing of fine spining machine, because it does not use the electronic system of the costliness that is used for speed synchronizationization.
And axle is structurally identical from one another, because they are in identical some place and belt engaged.
In other words, need not in the face of having an axle that is located at the bearing in the zones of different so that the power that applies by belt always with coaxial bearing.
And advantageously, the permanent elongation that absorbs belt again is possible, and it changes with the position of motor or the position of equalizer pulley.
In addition, advantageously, belt can be tightened up with simple, correct and effective and efficient manner.
According to another favourable embodiment, the position of pulley can be suitable for the thickness of employed belt, thus optimizational function.
According to another favourable aspect, even with situation that the quantity of the axle of prior-art devices is compared under, the quantity of axle is very many usually, with situation that described known devices is compared under, this belt also bears lower tension force, also present less size, this is because required driving torque is distributed between a plurality of motors.
Clearly be, in order to overcome shortcoming concrete and that follow, one of ordinary skill in the art can make a change above-mentioned fine spining machine and adjust, and all changes and adjustment all drop in the protection domain defined in the claims.
Claims (19)
1. fine spining machine, described fine spining machine longitudinally axis (X) has main extension, and described fine spining machine comprises:
First creel (1a) and second creel (1b), described first creel (1a) comprises along tactic first row's (2a) of described longitudinal axis axle (4a), described second creel (1b) comprises along tactic second row's (2b) of described longitudinal axis axle (4b), described first creel and described second creel limit the working region along spaced apart perpendicular to the axis of pitch (T) of described longitudinal axis (X) between described creel;
Electro-motor (6) and mobile belt (8), described electro-motor (6) and described mobile belt (8) form the closed path that is positioned on the belt plane, described belt is directly engaged by described motor and engages with the axle of predetermined quantity, be used for making their motions in the mode of rotating, described motor, described belt and described axle form the axle group thus;
At least one first post (10) or at least one second post, described first post is used for the carry-over pinch rolls of draw-gear, described second post is used for the door frame of rove volume usefulness, described first post (10) and described second post are positioned in the described working region, on described belt plane, limit the obstruction portion branch, wherein, described obstacle partly is positioned at the outside of described belt path;
Another electro-motor (14) and another move belt (16), described another electro-motor (14) and described another move belt (16) and are directly engaged by another motor and engage with other axle of predetermined quantity, be used for making their motions in the mode of rotating, described another motor, described another belt and described other axle form another axle group thus, wherein, described another moves belt and described mobile belt setting at grade
Described axle group and described another axle group mechanical connection are used for the action of the described motor of balance on respective mandrels.
2. fine spining machine according to claim 1 comprises:
Equalizer pulley (18), described another belt engaged of described equalizer pulley (18) and described another axle group;
Equalizer pulley (20), described equalizer pulley (20) engages with described motor and described equalizer pulley, is used for described axle group and described another axle group mechanical connection.
3. fine spining machine according to claim 1 comprises:
Equalizer pulley (20), described equalizer pulley (20) engages with described motor (6) and with described another motor (14), is used for described axle group and described another axle group mechanical connection.
4. according to claim 2 or 3 described fine spining machines, wherein, described equalizer pulley (18) can be located along described axis of pitch (T), and can be fixed in the desired location.
5. according to each the described fine spining machine in the aforementioned claim, comprise a pair of pulley (12,12c, 12d) that departs from, wherein, described belt path comprises active part (8a), departs from part (8b) and returning part (8c), described active part (8a) engages with described axle, the described part (8b) that departs from engages and is included in described departing between the pulley with described motor, and described returning part (8c) is in described active part and described departing between the part.
6. fine spining machine according to claim 5, wherein, described active part and described returning part extend to described working region in the periphery.
7. according to claim 5 or 6 described fine spining machines, wherein, described returning part is parallel to described active part and extends.
8. according to each the described fine spining machine in the claim 5 to 7, wherein, described active part only engages the axle of single creel.
9. according to each the described fine spining machine in the claim 5 to 7, wherein, described active part engages the axle of described two creels.
10. according to each the described fine spining machine in the claim 5 to 9, wherein, described to depart from pulley (12c, 12d) spaced apart along described axis of pitch (T), makes one of described pulley approach described row's axle most.
11. fine spining machine according to claim 10, wherein, described active part (8a) and described returning part (8c) limit section, and the described pulley (12d) that departs from that approaches described row's axle most is at least partially housed in the described section.
12. according to each the described fine spining machine in the aforementioned claim, wherein, described axle is arranged at the outside of described belt path.
13. according to each the described fine spining machine in the claim 1 to 11, wherein, described axle is arranged at the inside of described belt path.
14. each the described fine spining machine according in the claim 2 to 13 comprises pulley plate (24), described pulley (18) is integrally formed to described pulley plate (24), and described plate moves and can be fixed in the desired position along described axis of pitch (T).
15. each the described fine spining machine according in the aforementioned claim comprises:
The rove draw-gear, described rove draw-gear is positioned at the upstream of described axle;
16. each the described fine spining machine according in the aforementioned claim comprises:
Support door frame, described support door frame is used for hanging the rove volume along described longitudinal axis;
17. according to each the described fine spining machine in the aforementioned claim, wherein, described motor can be along described axis of pitch (T) location, described mobile belt is used to stretch.
18. fine spining machine according to claim 17 comprises the motor plate, described motor (6) is integrally formed to described motor plate, and described plate moves along described axis of pitch (T).
19. a fine spining machine, described fine spining machine be axis (X) extension longitudinally substantially, comprising:
First creel (1a) and second creel (1b), described first creel (1a) comprises along tactic first row's (2a) of described longitudinal axis axle (4a), described second creel (1b) comprises along tactic second row's (2b) of described longitudinal axis axle (4b), described first creel and described second creel limit the working region thus along spaced apart perpendicular to the axis of pitch (T) of described longitudinal axis (X) between described creel;
Electro-motor (6) and mobile belt (8), described electro-motor (6) and described mobile belt (8) form the closed path that is positioned on the belt plane, the mode that described belt is operatively moved by described motor and engages with rotation with the axle of some makes their motions, and described motor, described belt and described axle form the axle group thus;
At least one first post (10) or at least one second post, described first post is used for the carry-over pinch rolls of draw-gear, described second post is used for the door frame of rove volume usefulness, described first post (10) and described second post are positioned in the described working region, and on described belt plane, limit the obstruction portion branch, wherein, described obstacle partly is positioned at the outside of described belt path;
Another electro-motor (14) and another move belt (16), described another electro-motor (14) and described another move belt (16) and operatively move by described another motor and engage with other axle of predetermined quantity, be used for making their motions in the mode of rotating, described another motor, described another belt and described other axle form another axle group thus, wherein, described another moves belt and described mobile belt location at grade
Described axle group and described another axle group mechanical connection are with the action of the described motor of balance belt (20) balance on their respective mandrels by means of the formation closed path, and described obstacle partly is positioned at the outside in the described path of described balance belt.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IT2007/000681 WO2009040839A1 (en) | 2007-09-28 | 2007-09-28 | Spinning frame with a belt driving system for moving spindles |
| ITPCT/IT2007/000681 | 2007-09-28 | ||
| PCT/IB2008/053866 WO2009040734A1 (en) | 2007-09-28 | 2008-09-23 | Spinning frame with a tangential belt driving system for spindles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101802279A true CN101802279A (en) | 2010-08-11 |
| CN101802279B CN101802279B (en) | 2011-07-20 |
Family
ID=39493254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801080114A Active CN101802279B (en) | 2007-09-28 | 2008-09-23 | Spinning frame with a tangential belt driving system for spindles |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2191049B1 (en) |
| CN (1) | CN101802279B (en) |
| AT (1) | ATE499468T1 (en) |
| BR (1) | BRPI0817193A2 (en) |
| DE (1) | DE602008005166D1 (en) |
| WO (2) | WO2009040839A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792736A (en) * | 2018-08-01 | 2020-02-14 | 卓郎捷克有限责任公司 | Drive belt and transfer unit for two drive belts arranged in series |
| CN112805422A (en) * | 2018-10-02 | 2021-05-14 | 马佐里机器纺织股份公司 | Spinning machine with belt tensioning system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094268B (en) * | 2009-12-11 | 2014-12-24 | 太平洋机电(集团)有限公司 | Separate transmission device for front and back row bobbins of roving machine |
| IT201900003983A1 (en) * | 2019-03-19 | 2020-09-19 | Marzoli Machines Textile Srl | STRAP YARN |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610785A1 (en) * | 1976-03-15 | 1977-09-29 | Uniroyal Luxembourg | RING TWISTING MACHINE |
| US4090348A (en) * | 1976-07-19 | 1978-05-23 | Spintex, Inc. | Spinning or twisting machine ring drive |
| DE3441230A1 (en) * | 1984-11-10 | 1986-05-15 | Zinser Textilmaschinen Gmbh, 7333 Ebersbach | Machine for producing twisted or twined threads |
| WO1986002958A1 (en) * | 1984-11-10 | 1986-05-22 | Zinser Textilmaschinen Gmbh | Tangential belt control for spinning loom or twister |
| DE3580044D1 (en) * | 1985-05-25 | 1990-11-08 | Zinser Textilmaschinen Gmbh | TANGENTIAL BELT DRIVE. |
| IT1229408B (en) * | 1989-06-01 | 1991-08-08 | Marzoli & C Spa | APPARATUS FOR THE CONTROL OF THE SPINDLES, THROUGH TANGENTIAL CLUTCH, ON RING THREADERS, SUSCEPTABLE TO LOCK THE SPOOLS. |
| DE19501626C1 (en) * | 1995-01-20 | 1996-05-23 | Zinser Textilmaschinen Gmbh | Ring spinning machine with spindles driven by at least one tangential belt |
| CN2486567Y (en) * | 2001-07-27 | 2002-04-17 | 东台纺织机械有限责任公司 | Head stock speed reducing driver for spinning frame |
| CN2632103Y (en) * | 2003-07-07 | 2004-08-11 | 东台纺织机械有限责任公司 | Ring throstle spindle transmission |
-
2007
- 2007-09-28 WO PCT/IT2007/000681 patent/WO2009040839A1/en active Application Filing
-
2008
- 2008-09-23 CN CN2008801080114A patent/CN101802279B/en active Active
- 2008-09-23 WO PCT/IB2008/053866 patent/WO2009040734A1/en active Application Filing
- 2008-09-23 AT AT08807770T patent/ATE499468T1/en not_active IP Right Cessation
- 2008-09-23 DE DE602008005166T patent/DE602008005166D1/en active Active
- 2008-09-23 BR BRPI0817193-9A patent/BRPI0817193A2/en active IP Right Grant
- 2008-09-23 EP EP08807770A patent/EP2191049B1/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792736A (en) * | 2018-08-01 | 2020-02-14 | 卓郎捷克有限责任公司 | Drive belt and transfer unit for two drive belts arranged in series |
| CN112805422A (en) * | 2018-10-02 | 2021-05-14 | 马佐里机器纺织股份公司 | Spinning machine with belt tensioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2191049B1 (en) | 2011-02-23 |
| ATE499468T1 (en) | 2011-03-15 |
| EP2191049A1 (en) | 2010-06-02 |
| WO2009040839A1 (en) | 2009-04-02 |
| WO2009040734A1 (en) | 2009-04-02 |
| CN101802279B (en) | 2011-07-20 |
| BRPI0817193A2 (en) | 2015-07-21 |
| DE602008005166D1 (en) | 2011-04-07 |
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