CN1266020C - Friction-driven hoist - Google Patents

Friction-driven hoist Download PDF

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Publication number
CN1266020C
CN1266020C CN03800481.XA CN03800481A CN1266020C CN 1266020 C CN1266020 C CN 1266020C CN 03800481 A CN03800481 A CN 03800481A CN 1266020 C CN1266020 C CN 1266020C
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CN
China
Prior art keywords
guide rail
car
gear unit
elevator
steel cable
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Expired - Lifetime
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CN03800481.XA
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Chinese (zh)
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CN1518519A (en
Inventor
迪特马尔·金切尔
克劳斯·菲希特纳
斯特芬·曼
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Wittur SpA
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Wittur SpA
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Publication of CN1518519A publication Critical patent/CN1518519A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035Arrangement of driving gear, e.g. location or support
    • B66B11/0045Arrangement of driving gear, e.g. location or support in the hoistway

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

Disclosed is a friction-driven hoist comprising a cage guided between rails, rails which guide a counterload and are arranged diagonally from the rails guiding the cage, a set of carrying ropes on which the cage and the counterload are suspended via an idle pulley, and a drive unit formed at least by a gearless motor, a driving disk for the carrying ropes, and a brake. The axial length of the drive unit is larger than the diameter thereof. Preferably the inventive friction-driven hoist also comprises an opposite pulley to double-loop the driving disk with the carrying ropes. Only one side of the drive unit (4) is fixed to the inner cage rail (2i) while the opposite side thereof is fixed to the outer counterload rail (3a), the drive unit (4) being positioned in the clear space between said two rails (2i, 3a).

Description

The friction-disc elevator
Technical field
The present invention relates to a kind of friction-disc elevator, have a car that between guide rail, guides, two guide rails that are used to guide balancing load that are provided with ground, car guide rail opposite slightly to the right or left, a cover passes through the steel cable of unsteady suspended car and balancing load thereon; One at least by the electrical motor of a gearless, a friction disc and the gear unit that drg is formed that steel cable is used, and the axial length of this gear unit is greater than its diameter; And also have one to be used to make the correspondence of the double winding friction disc of steel cable to take turns.
Background technology
For example, guide rail is not set there wherein by the known a kind of friction-disc elevator that has corresponding wheel of DE2441992A1.Microscler gear unit is positioned on the machine room basis that is provided with on the top layer in building, and this is not conform with hope sometimes.
The gear unit layout of known no machine room.In the such layout (EP0688735B1), gear unit constitutes disc type, and is assemblied on the vertical face of one of two guide rails car or balancing load.Following effect is so just arranged, and promptly the steel cable vertical power that friction disc is worked is transferred on the related guide rail, and this guide rail will bear all power thus.In a kind of structure, gear unit is assemblied on the auxiliary frame, and this auxiliary frame and guide rail are tightened under the situation of centre insertion damping element.This guide rail bears flexure stress thus.
According to EP0710618B1, the gear unit of a disc type is by a rack support and be placed on the upper end of one or more guide rails.This suspension load causes an eccentric load, and causes these guide rail bendings thus, so just makes to need an enhancing element that requires unfriendly.
According to EP0849209A1, the machine base of the gear unit of a disc type is screwed on the upper rail end face, and it must monolithically bear load thus.
According to EP1024105A1 and WO99/33742A1, a disc type gear unit that is bearing in the vibration damping on the frame is placed between all four guide rails of elevator in Knapsack structure mode (Rucksackbauweise).
The disc type gear unit has following shortcoming with regard to its larger axis to length with regard to the structure of minor diameter, and promptly it has a high rotor inertia, and must bear a higher driving torque.
In the layout (DE20021886U1) of another no machine room, its axial length is installed on the support that two additional distances are provided with abreast greater than the gear unit of its diameter, and this support is with in its elevator hoistway wall above terminal insertion or be bearing on the Wall bracket.According to a kind of structure, a support can move so abreast with respect to self, gear unit can be passed when Assembly ﹠Disassembly between the two stands move.Can set by another kind of structure, gear unit on the rack-mount and/or back plate, is placed in them on the guide rail upper end of car and/or balancing load again.Gear unit is outstanding with outside these guide rails thus.In addition, additional support and/or a back plate are essential, and gear unit can come device again after installing these guide rails.Car and balancing load do not have wheel flutter and do not have corresponding wheel ground and hang.
Also design a kind of elevator of Knapsack structure formula at this.Car guide rail and balancing load guide rail or balancing load spigot surface form each an angle point planar trapezoidal or rectangle in top view in this structure, so gear unit must be installed above the guide rail or between it at these.In a kind of Backpack type structure and since the off-centre of car hang bigger basically masterpiece use on these guide rails and car frame on.
According to DE19712646A1, electrical motor-change-speed box-gear unit is placed in one and puts on the cement concrete suspension column in the elevator hoistway with the floor ground co-altitude of the highest elevator parking place and with its integral body.Because the cement concrete suspension column that protrudes has just produced shortcoming.
Summary of the invention
Task of the present invention is, be to comprise that the elevator of the car of unsteady pulley that is non-knapsack mode and balance load suspension device installs the friction disc driving device of the gearless (Getriebelos) of an elongate structure, this installation is save the space cheap with expense, and between the guide rail that itself exists, there is not machine room, also just need not adjust elevator thus, make the steel cable of existence overcome possibly and twisting stress is taken guide rail to and car frame gets on not with bending.
Above-mentioned task solves by friction-disc elevator of the present invention, it has: the steel cable by float suspended car and balancing load and one are at least by not electrical motor, a friction disc and the gear unit that drg constituted that steel cable is used of belt driver gearless thereon for the guide rail that is used to guide balancing load that car that guides between guide rail, two and car guide rail diagonally opposing corner ground are provided with, a cover, and the axial length of this gear unit is greater than its diameter; And also have one two correspondence wheel that is used to make the double winding friction disc of steel cable, it is characterized in that only a side of gear unit is fixed in the car on the guide rail and its opposite side is fixed on the balancing load outer guide; And gear unit is located in the car in the clear space between the guide rail and balancing load outer guide.
According to preferred implementation of the present invention, the gravity axis of the vertical resultant of steel cable effect is by the predetermined zone of transverse section of section material by guide rail in the car and balancing load outer guide.The vertical resultant of steel cable effect imports in the elevator hoistway pit foundation plinth by guide rail in the car and balancing load outer guide.The vertical resultant of steel cable effect imports on one or more sidewalls of elevator hoistway by a supporting structure.Gear unit be designed to from supporting and be placed in the car on the bearing seat between the guide rail and balancing load outer guide.Bearing seat or two bearing seats directly constitute a torque-supporting that is used for gear unit.Gear unit is placed in the car on the auxiliary stand between the guide rail and balancing load outer guide.Gear unit is placed on the load bearing component, and load bearing component hingedly is fixed on by a torque-supporting torsional rigid ground and under the centre connects the situation of damping element in the car on the guide rail and balancing load outer guide.Gear unit is equipped with a suspension gear that is used for the car steel cable, and this suspension gear directly is fixed on gear unit, a load bearing component or a bearing seat of supporting.Gear unit is provided with in the superincumbent elevator parking zone or in the elevator hoistway top, and, be used for peripheral driving device at the clearance envelope between the guide rail in guide rail between the support of suspension gear that the car steel cable is used and corresponding wheel and in elevator hoistway sidewall, car and the balancing load.
The invention has the advantages that vertical steel cable power affacts on the guide rail of carrying like this, cause the gravity axis of the steel cable power of vertical effect to extend by the guide rail section cross-sectional plane.In addition, not only all can innerly or simple from the outside from elevator hoistway gear unit be installed with ground, saving space for the gear unit of self-supporting structure but also for the gear unit that is positioned on the auxiliary stand.
Description of drawings
Can further describe the present invention by means of embodiment.In the accompanying drawing:
Fig. 1 schematically illustrates the assembling of the gear unit of the automatic suspension in the elevator hoistway zone on top with lateral plan and birds-eye view;
Fig. 2 schematically illustrates the assembling of the gear unit on the auxiliary stand in the elevator hoistway zone on top with lateral plan;
Fig. 3 schematically illustrates the assembling of another gear unit that hangs automatically in the elevator hoistway zone on top with lateral plan.
The specific embodiment
In elevator shaft only, the guide rail 2 (2a, 2i) of the car guiding usefulness that is not shown specifically is installed and the lead guide rail 3 (3a, 3i) of usefulness of the balancing load that is not shown specifically by sidewall 1 symbology.These two balancing load guide rail 3a, 3i and sidewall 1 are installed on same distance ground at interval, and balancing load is parallel to sidewall 1 guiding thus.These guide rails 2,3 are seen basically each other diagonally opposing corner ground and are set up with meeting at right angles from above.Therefore imaginary line and the sidewall 1 that forms by car guide rail 2a, 2i constitutes an about right angle.Compare with 3i with guide rail 3a, guide rail 2i has a distance inequality with respect to sidewall 1, and guide rail 3a, 3i with respect to the distance of sidewall 1 less than the distance of guide rail 2i from sidewall 1.This shows that guide rail 2i is positioned in the imaginary line corner before that is formed by balancing load guide rail 3a, 3i in the car.
In lateral plan, illustrate car guide rail 2a, 2i and balancing load guide rail 3a, 3i.In birds-eye view, can see car guide rail 2a, 2i and balancing load guide rail 3a.The balancing load guide rail 3i that here can't see is shown in broken lines.This guide rail is shorter and smaller than other guide rail 2a, 2i, 3a.Guide rail 2i, 3i claim to be interior rail that because they are positioned at the inside, imaginary corner that is made of these guide rails, outer rail 2a, the 3a that is called for short so then is positioned at this outer end, imaginary corner and locates for simple reason.These guide rails 2a, 2i, 3a, 3i are that the guiding of T type, L type or special shape is with extraordinary section bar and have stable load usually.They neither in single-piece drawing form, can not be spliced by for example two single-rails yet.Balancing load guide rail 3a and car guide rail 2a, 2i prevent in the top quiveringly with respect to elevator hoistway top or the supporting of elevator hoistway wall.
Gear unit 4 is microscler structure, and electrical motor 4a, friction disc (Treibscheibe) 4b and a drg 4c of belt driver do not form by at least one.In an embodiment, this gear unit 4 with level attitude and parallel with sidewall 1 or settle so obliquely, is in the clear space between guide rail 2i, the 3a gear unit 4 in the upper zone of guide rail 2a, 2i, 3a, 3i.
Gear unit 4 is fixed on interior guide rail 2i of car and the balancing load outer guide 3a.Therefore the gravity axis 19 of the vertical resultant of steel cable effect is by extending that the guide rail section cross-sectional plane by guide rail 2i, 3a is constituted regionally.This regional with dashed lines marks.This has very big advantage, just guide rail 2i, 3a substantially perpendicularly, i.e. load-bearing on the guide rail longitudinal axis, and can not keep crooked and reverse therefore can be more elongated and saving in material thus.The power center of gravity of the vertical resultant of steel cable effect illustrates according to Fig. 1 is exemplary, is positioned on the F center of this mark vertical.Steel cable power is imported in the elevator hoistway pit foundation plinth that is not shown specifically.
But also the vertical resultant of steel cable effect might be led on one or more sidewalls of elevator hoistway by a unshowned supporting structure.
In a preferred layout, gear unit 4 is placed between two guide rail 2i, the 3a from supporting ground (selbsttragend).In the form of implementation of this automatic suspension, in car, there is not direct connection between guide rail 2i and the balancing load outer guide 3a.Gear unit 4 is born the function of tie-beam.This schematically illustrates in the lateral plan by Fig. 1 and Fig. 3.On the other hand, also can be placed on the auxiliary stand 5 that is fixed between two guide rail 2i and the 3a according to Fig. 2 gear unit 4.
For drive motor (gear unit) 4 is fixed on guide rail 2i and the 3a, the bearing seat 6,7 additional according to Fig. 1 to 3 is fixed on guide rail 2i and the 3a.These bearing seats 6,7 are made up of the supporting structure that is tightened or is welded on guide rail 2i and the 3a by known way.
In order to bear vertical power and, gear unit 4 flexibly to be bearing on the bearing seat 6,7 by the horizontal force that torque produced of gear unit.For this reason in the present embodiment, rubber accessory 8,9 is used as damping element.According to Fig. 1, the load bearing component 16,17 of the back plate form of gear unit 4 usefulness is connected with in the centre under the situation of rubber accessory 8,9 and is placed on the bearing seat 6,7.
These two load bearing components 16,17 also can be the component part of the gear unit 4 that automatically hangs in an advantageous manner, or according to the back plate 4d of captiveing joint with gear unit 4 of an independent perforation of forecast scheme configuration that is shown specifically among Fig. 3.
In embodiment according to Fig. 1, load bearing component 16 by a torque-supporting 10 torsional rigids be fixed on the car guide rail 2i.Torque-supporting 10 is positioned at car guide rail 2i next door, and wherein rubber accessory 11,12 provides to car guide rail 2i with to the flexible fastening of gear unit 4.
According to particularly advantageous structure, one of bearing seat 6,7 directly constitutes or two bearing seats 6,7 directly constitute torque-supporting to gear unit 4.
Car and balancing load interconnect by the steel cable that a cover is not shown specifically with " floating-pulley-suspension (Lose-Rolle-Aufhaengung) ".Be to enlarge the steel rope cornerite, steel cable from following through friction disc 4b, again walk around corresponding wheel (Gegenscheibe) 13, get back to friction disc 4b once more, twine friction disc again, then just continue to extend downwards.Big steel rope cornerite drives and braking force is vital for improving especially than the friction disc of minor diameter the time.The advantage of little friction disc is that driving torque is little and can select thinner steel cable.Simultaneously by selecting a plurality of thinner steel cables.In addition, the supposition compressive load per unit area between steel cable and friction disc reduces owing to having enlarged the steel cable surface.
In according to Fig. 1 embodiment, corresponding wheel 13 is fixed on gear unit 4 from one's body or on load bearing component 16 by a support 14.One end of this cover steel cable is suspended in the suspension gear 15.This suspension gear is installed on the bottom surface of gear unit 4 or on load bearing component 17 aptly.
It has been favourable from elevator hoistway guide rail 2a, 2i, 3a, 3i inner or that firmly install from the outside that gear unit 4 is installed in.4 need of gear unit are placed on the bearing seat 6,7 for this reason.
Driving device around the clearance envelope that exists between the guide rail 3i in guide rail 2i between the support 14 of the steel cable suspension gear 15 of car and corresponding wheel 13 and in elevator hoistway sidewall 1, car and the balancing load can be used in an advantageous manner for example is used for connection box, frequency converter, brake controller and/or separate ventilation device.
According to Fig. 2, identical in the figure parts are provided with the Reference numeral identical with Fig. 1, and gear unit 4 is not to be installed in to supporting certainly between the interior guide rail 2i of balancing load outer guide 3a and car, but is placed on the auxiliary stand 5.This auxiliary stand is placed on the bearing seat 6,7 by rubber accessory 8,9.Drg 4c is placed on the side of electrical motor 4a.The built on stilts ground of the friction disc 4b of gear unit 4 (fliegend) supporting, this also just makes and is easy to the suit steel cable.Opposite with the embodiment that presses Fig. 1, the steel cable suspension gear of bearing seat 7 and car 15 merges becomes a unique member, and the support 14 of corresponding wheel 13 is fixed on the auxiliary stand 5 rather than is fixed on the gear unit 4.
According to the embodiment of Fig. 3, identical in the figure parts are provided with the Reference numeral identical with Fig. 1, are with embodiment difference according to Fig. 1, and promptly driving device 4 replenishes back plate 4d, and this back plate is the fixedly constituent elements of gear unit 4.Gear unit 4 is placed on the bearing seat that is equipped with rubber accessory 8,96,7 of guide rail 3a, 2i to supporting between the guide rail 2i in balancing load outer guide 3a and car certainly.The support 14 of corresponding wheel 13 and the steel cable suspension gear 15 of car are fixed on the bottom surface of back plate 4d of gear unit 4.But the steel cable suspension gear 15 of car equally also can be fixed on the bearing seat 7 or with 7 one-tenth single-piece ground of bearing seat and constitute.
One of bearing seat 6,7 or two bearing seats 6,7 are additionally born the effect of the torque-supporting of gear unit 4.
In a kind of flexible program, the friction-disc elevator also can be designed to not have corresponding wheel 13.

Claims (10)

1. friction-disc elevator, have: the steel cable by float suspended car and balancing load and one are at least by the electrical motor of a gearless, a friction disc and the gear unit that drg constituted that steel cable is used thereon for the guide rail that is used to guide balancing load that car that guides between guide rail, two and car guide rail diagonally opposing corner ground are provided with, a cover, and the axial length of this gear unit is greater than its diameter; And also have a correspondence wheel that is used to make the double winding friction disc of steel cable, it is characterized in that only a side of gear unit (4) is fixed in the car that guide rail (2i) is gone up and its opposite side is fixed on the balancing load outer guide (3a); And gear unit (4) is located in the described car in the clear space between the guide rail (2i) and balancing load outer guide (3a).
2. according to the described friction-disc elevator of claim 1, it is characterized in that the gravity axis (19) of the vertical resultant of steel cable effect is by the predetermined zone of transverse section of section material by guide rail in the car (2i) and balancing load outer guide (3a).
3. according to the described friction-disc elevator of claim 2, it is characterized in that the vertical resultant of steel cable effect imports in the elevator hoistway pit foundation plinth by guide rail (2i) in the car and balancing load outer guide (3a).
4. according to the described friction-disc elevator of claim 2, it is characterized in that the vertical resultant of steel cable effect imports on one or more sidewalls of elevator hoistway by a supporting structure.
5. according to the described friction-disc elevator of claim 1, it is characterized in that, gear unit (4) be designed to from supporting and be placed in the car on the bearing seat (6,7) between the guide rail (2i) and balancing load outer guide (3a).
6. according to the described friction-disc elevator of claim 5, it is characterized in that a bearing seat (6 or 7) or two bearing seats (6,7) directly constitute a torque-supporting that is used for gear unit (4).
7. according to the described friction-disc elevator of claim 1, it is characterized in that gear unit (4) is placed in the car on the auxiliary stand (5) between the guide rail (2i) and balancing load outer guide (3a).
8. according to the described friction-disc elevator of claim 1, it is characterized in that, gear unit (4) is placed on the load bearing component (16,17), and load bearing component (16,17) hingedly is fixed on guide rail in the car (2i) and the balancing load outer guide (3a) by torque-supporting (10) torsional rigid ground and under the situation of centre connection damping element (8,9).
9. according to the described friction-disc elevator of claim 1, it is characterized in that, gear unit (4) is equipped with a suspension gear (15) that is used for the car steel cable, and this suspension gear directly is fixed on gear unit (4), a load bearing component (17) or a bearing seat (7) of supporting.
10. according to the described friction-disc elevator of claim 1, it is characterized in that, gear unit (4) is provided with in the superincumbent elevator parking zone or in the elevator hoistway top, and, be used for the driving device of periphery at the clearance envelope between the guide rail (3i) in guide rail (2i) between the support (14) of suspension gear (15) that the car steel cable is used and corresponding wheel (13) and elevator hoistway sidewall (1), car in and the balancing load.
CN03800481.XA 2002-02-07 2003-01-25 Friction-driven hoist Expired - Lifetime CN1266020C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10205170.4 2002-02-07
DE10205170A DE10205170B4 (en) 2002-02-07 2002-02-07 Traction elevator

Publications (2)

Publication Number Publication Date
CN1518519A CN1518519A (en) 2004-08-04
CN1266020C true CN1266020C (en) 2006-07-26

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Application Number Title Priority Date Filing Date
CN03800481.XA Expired - Lifetime CN1266020C (en) 2002-02-07 2003-01-25 Friction-driven hoist

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EP (1) EP1472170B1 (en)
CN (1) CN1266020C (en)
AT (1) ATE352511T1 (en)
AU (1) AU2003206638A1 (en)
DE (2) DE10205170B4 (en)
ES (1) ES2277059T3 (en)
WO (1) WO2003066498A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10348151A1 (en) * 2003-10-13 2005-05-19 Wittur Ag Drive system for narrow machine rooms has drive mechanism, opposite pulley, cable fixtures and/or additional deflection pulleys on elevator car
ATE348782T1 (en) * 2003-10-13 2007-01-15 Wittur Ag DRIVE SYSTEM FOR NARROW ENGINE SPACES
FI20031718A0 (en) 2003-11-24 2003-11-24 Kone Corp Elevator suspension system
DE102005002607A1 (en) * 2005-01-20 2006-08-10 System Antriebstechnik Dresden Gmbh Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof
DK1698581T3 (en) * 2005-03-01 2011-11-07 Ind Montanesas Electricas Mecanicas S L Machine, lifting system and machine roomless elevator

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JPS5048646A (en) * 1973-09-07 1975-04-30
FI95689C (en) * 1994-06-23 1996-03-11 Kone Oy Elevator machinery
FI96198C (en) * 1994-11-03 1996-05-27 Kone Oy Pinion Elevator
US5899300A (en) * 1996-12-20 1999-05-04 Otis Elevator Company Mounting for an elevator traction machine
DE19712646C2 (en) * 1997-03-26 2000-07-13 Heinzerling Gmbh Rope hoist
EP0905081B1 (en) * 1997-09-26 2003-01-08 Kabushiki Kaisha Toshiba Positioning of drive unit in an elevator shaft
JP2001527016A (en) * 1997-12-23 2001-12-25 インベンテイオ・アクテイエンゲゼルシヤフト Cable elevator with drive pulley
FI111622B (en) * 1999-01-27 2003-08-29 Kone Corp Drive wheel lift and flywheel operation
KR100444936B1 (en) * 2000-05-26 2004-08-18 미쓰비시덴키 가부시키가이샤 Elevator device
DE20021886U1 (en) * 2000-12-23 2001-03-15 Ziehl Abegg Gmbh & Co Kg Traction sheave elevator with a backpack-style elevator car

Also Published As

Publication number Publication date
AU2003206638A1 (en) 2003-09-02
DE10205170A1 (en) 2003-08-28
ES2277059T3 (en) 2007-07-01
EP1472170B1 (en) 2007-01-24
DE10205170B4 (en) 2005-07-21
ATE352511T1 (en) 2007-02-15
CN1518519A (en) 2004-08-04
WO2003066498A1 (en) 2003-08-14
EP1472170A1 (en) 2004-11-03
DE50306373D1 (en) 2007-03-15

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Granted publication date: 20060726