EP1697606B1 - Dispositif de blocage et de deblocage d'un mouvement d'actionnement, notamment pour serrure de surete, muni de moyens de blocage en cas de tronconnement du barillet - Google Patents

Dispositif de blocage et de deblocage d'un mouvement d'actionnement, notamment pour serrure de surete, muni de moyens de blocage en cas de tronconnement du barillet Download PDF

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Publication number
EP1697606B1
EP1697606B1 EP04742437A EP04742437A EP1697606B1 EP 1697606 B1 EP1697606 B1 EP 1697606B1 EP 04742437 A EP04742437 A EP 04742437A EP 04742437 A EP04742437 A EP 04742437A EP 1697606 B1 EP1697606 B1 EP 1697606B1
Authority
EP
European Patent Office
Prior art keywords
axial
key
block
stop
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04742437A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1697606A1 (fr
Inventor
Christophe Laurent Theillet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Assa Abloy France SAS
Original Assignee
Assa Abloy Cote Picarde SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Assa Abloy Cote Picarde SAS filed Critical Assa Abloy Cote Picarde SAS
Publication of EP1697606A1 publication Critical patent/EP1697606A1/fr
Application granted granted Critical
Publication of EP1697606B1 publication Critical patent/EP1697606B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0033—Cylinder locks and other locks with plate tumblers which are set by pushing the key in with floating plate tumblers, i.e. sliding or sliding and rotating in a plane
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E05B17/2092—Means responsive to tampering or attack providing additional locking

Definitions

  • the invention relates generally to safety locks.
  • the invention relates to a device for selectively locking and unlocking an actuating movement, applicable to a safety lock, this device comprising at least one elongate key carrying coding reliefs and a mechanism in which the key is introduced by a translational movement along a longitudinal axis to a stop position, this mechanism comprising a device for authenticating coding reliefs, a pumping device selectively adopting a link configuration in which the key is linked in rotation about the longitudinal axis to the actuating movement or a configuration of absence of connection in which the key and the actuating movement are not linked in rotation, and a cylinder in which are housed the authentication devices and pumping, the authentication device adopting in the key stop position and depending on the encoding reliefs of the key, a con authorization figuration in which the key is free to carry out an additional translation along the longitudinal axis from its stop position to a link position, ie a prohibition configuration in which the key is locked in translation of its position. stopping at its connecting position, the pumping device adopting respectively
  • the present invention aims to overcome the defect mentioned above.
  • the object of the invention is achieved with a locking and unlocking device according to claim 1.
  • the pumping device comprises a rear pump unit movable in axial translation relative to the barrel between the advanced and recessed positions. corresponding respectively to the connection configurations and absence of connection and a biasing member urging the block to its advanced position, the key passing from its stop position to its connecting position moving the rear pump block from its advanced position to its depressed position against the biasing of the return member, the means for blocking the pumping device blocking the rear pump block in the advanced position when the barrel is cut.
  • the barrel comprises a cylinder of longitudinal axis provided at one axial end before a key introduction orifice, a tamper-resistant block secured to a rear axial end of the cylinder opposite to the insertion orifice, and a longitudinal channel extending in the extension of the introduction orifice in which the authorization and pumping devices are arranged, the burglar block having an axial face towards which the rear pump block moves from its advanced position to its depressed position, the bar (60) being integral in axial translation of the rear pump block, and the movable locking member coming to interpose axially between the rear pump block and the axial face of the burglar block, when the bar is cut with the cylinder.
  • the bar extends along a radially outer portion of the cylinder.
  • the bar is disposed in a groove formed in a radially outer face of the cylinder.
  • the bar comprises a first axial portion axially translationally connected to the rear pump block and carrying a first backstop, a second axial portion normally connected to the first axial translation and carrying a second rear stop, and an elastic member, the first rear stop being in abutment on a bearing face of the rear pump block facing the axial face of the burglar block , the second rear stop being interposed between the first rear stop and this axial face, and the resilient member biasing the first and second stops axially in the direction of a mutual spacing, the second rear stop being disposed at a distance from said axial face in the advanced position of the rear pump block and comprising a flap which closes the housing of the movable blocking member, this second stop being spaced towards said axial face by the elastic member when the bar is cut to a spaced apart position in which the shutter no longer blocks the dwelling.
  • the first and second axial portions are integral in translation longitudinally by respective front sides opposite the first and second rear stops.
  • the means for blocking the pumping device comprise a resilient member urging the movable blocking member out of its housing when the flap does not close the housing.
  • the second rear stop in its spaced position is in abutment against the axial face of the burglar block, the movable blocking member coming to interpose between the second rear stop and the rear pump block.
  • the flap extends parallel to the longitudinal axis and is rigidly fixed by a first axial side to the second rear stop, this flap extending towards the first rear stop from said side, the movable locking member. intervening, when it leaves its housing, between a second axial side of the flap opposite the first and the rear pump block.
  • the housing is provided in the rear pump block.
  • the means for blocking the pumping device comprise at least two identical and parallel bars, diametrically opposite to the cylinder, and two movable locking members each cooperating with a bar.
  • the invention relates to a device for selectively locking and unlocking an actuating movement, applicable to a safety lock.
  • This device comprises at least one elongate key carrying coding reliefs, and a mechanism 10 in which the key is introduced by a translation movement along a longitudinal axis XX 'to a stop position.
  • This mechanism comprises an outer casing 20, shown on the Figures 4A and 4B , an authentication device 30 of the coding reliefs, a pumping device 40 selectively adopting a connection configuration in which the key is linked in rotation about the longitudinal axis XX 'to the actuating movement or an absence configuration link in which the key and the actuating movement are not connected in rotation, and a cylinder 50 in which are housed the authentication devices 30 and pumping 40.
  • the outer casing 20 has a generally cylindrical shape of longitudinal axis X-X 'and is fixed relative to the part on which the lock is mounted.
  • the cylinder 50 has a generally cylindrical shape and is disposed inside the envelope 20. It is free to rotate about the longitudinal axis XX 'relative to this envelope. It is pierced with a longitudinal channel 53 in which the key is introduced.
  • the authentication device 30 adopts, in the key stop position and according to the coding reliefs of this key, or an authorization configuration in which the key is free to perform an additional translation backwards according to the longitudinal axis XX 'from its stop position to a connecting position, ie a prohibition configuration in which the key is locked in translation from its stop position to its connecting position.
  • This additional translation is commonly called pumping.
  • the authentication device 30 comprises a plurality of cylindrical linings 31 aligned longitudinally, a a plurality of pinions 32 and a plurality of transverse racks 33 each meshing with a pinion 32.
  • Each lining has a smooth radially outer face of a rear side and bearing longitudinal reliefs 311 of a front side.
  • the pinions 32 are mounted free to rotate on the outer smooth parts of the linings 31.
  • These pinions 32 bear on respective radially inner edges of the notches 321 of shapes corresponding to those of the longitudinal reliefs 311 of the liners .
  • the liners 31 are, relative to the barrel 50, free to rotate about the longitudinal axis X-X 'and in translation in a transverse direction.
  • the racks 33 are fixed relative to the cylinder 50.
  • the key When the key is inserted into the mechanism and adopts its stop position, it passes through aligned central orifices of the cylindrical liners 31.
  • the coding reliefs of the key cooperate with the edges of the orifices to move the liners 31 in a transverse direction and also to orient them in rotation about the axis X-X '.
  • the transverse displacement of the linings 31 drives the pinions 32 transversely, these pinions then rolling on the racks 33.
  • the angular positions around the axis XX 'of the linings 31 and the pinions 32 are in correspondence when the key is in the off position, which means that the longitudinal reliefs 311 of the linings 31 are opposite the notches 321 of corresponding forms of the gears 32.
  • the key drives the linings 31 in translation axially, the pinions 32 being fixed in translation relative to the barrel 50, so that the longitudinal reliefs 311 gaskets engage in the notches 321 of the gears.
  • the longitudinal reliefs 311 are not in correspondence with the notches 321, and the axial displacement of the liners 31 and the key is not possible.
  • the pumping device 40 adopts its connection configuration when the key occupies its connecting position, after pumping. It is then possible to turn the key inserted in the mechanism 10 to unlock or block the actuating movement. The key then drives the barrel 50 in rotation around the longitudinal axis X-X 'with respect to the casing 20.
  • the device comprises means for blocking the pumping device 40 in the absence of connection configuration when the cylinder 50 is cut off.
  • the pumping device 40 comprises a rear pump unit 41 movable in axial translation relative to the cylinder 50 between the advanced and recessed positions respectively corresponding to the connection and no connection configurations, and a return member, not shown. , soliciting the block towards its advanced position.
  • the rear pump unit 41 is disposed within the longitudinal channel 53 of the cylinder 50, on the rear side thereof.
  • the key from its stop position to its connecting position moves the rear pump unit 41 from its advanced position to its depressed position against the biasing of the return member, towards the rear of the cylinder 50 , the means to block the mechanism of pumping 40 blocking the rear pump block 41 in the advanced position when the barrel 50 is cut.
  • the barrel 50 comprises a cylinder 51 of longitudinal axis provided at one axial end before 511 of a key introduction orifice 518, a burglar block 52 integral with a rear axial end 512 of the cylinder 51 opposite to the insertion orifice 518, the longitudinal channel 53 extending rectilinearly in the extension of the insertion orifice 518, along the cylinder 51 and the burglar block 52, and being centered on the axis longitudinal X-X '.
  • the cylinder 51 consists of upper and lower half-shells 513 and 514 in the form of half-cylinder's whose contact plane defines the transverse direction.
  • the radially inner surfaces of the half-cylinders define the longitudinal channel 53, and carry a plurality of semicircular grooves 515 extending in planes mutually parallel and perpendicular to the longitudinal axis X-X '.
  • the different elements of the authentication device 30 are housed in the cylinder 51, between the two half-shells.
  • the pinions 32 are arranged in the grooves 515, the liners 31 being aligned along the central channel 53, in contact with each other, their central orifices being arranged in the extension of each other.
  • the racks 33 are arranged in transverse notches 516 formed in the radially outer surfaces of the half-shells 513 and 514, extending in the same planes as the semicircular grooves 515 and communicating with these grooves by passages, so that that the pinions 32 mesh the racks through these passages.
  • the barrel 50 also comprises protection flaps 54 arranged in front of the insertion orifice of the key 518, and a front pump block 55 interposed between the protective flaps 54 and the cylinder 51.
  • This front pump block 55 is moved axially by the key relative to the cylinder 51 when the key passes from its stop position to its position link.
  • the burglar block 52 has a generally cylindrical shape, of the same diameter as the cylinder 51, and is exactly in line with the cylinder.
  • It comprises a disc-shaped bottom plate 521 perpendicular to and centered on the longitudinal axis XX ', and two side plates 522 integral with an axial face 523 of the bottom plate 521 facing the cylinder 51 and extending in a plane perpendicular to the longitudinal axis X-X '.
  • the side plates 522 are identical and each have the shape of a cylinder sector of longitudinal axis X-X ', these plates being diametrically opposed on the axial face 523 in the transverse direction. These side plates 522 each extend over an arc of about 80 °. They have mutually spaced, mutually spaced upper longitudinal edges 524, and respective parallel and mutually spaced lower longitudinal edges 525.
  • the radially inner surfaces of the side plates 522 define an end portion of the longitudinal channel 53, in which the rear pump block 41 is disposed.
  • the bottom plate 521 is pierced at its center with a light 527.
  • the rear pump block 41 comprises a central block 411 disposed in the longitudinal channel 53, an actuating finger 412 protruding longitudinally rearwardly from the central block 411, upper and lower lugs 413 and 414 projecting from the central block 411 towards the half-shells upper and lower 513 and 514, and a front housing 415 dug in the central block 411 and facing the insertion port 518.
  • the actuating finger 412 is engaged in the light 527.
  • its free end is retracted inside the light 527, as illustrated in FIGS. Figures 4A and 4B , and in the depressed position of the rear pump block this free end comes out of the light 527 and protrudes from a rear side of the bottom plate 521, as shown in FIG. figure 1 . It is then able to rotate the actuating movement.
  • the upper lug 413 is engaged between the respective upper longitudinal edges 524 of the two lateral plates 522 and is guided in longitudinal translation by these edges when the rear pump unit moves from its advanced position to its depressed position.
  • the lower lug 414 is engaged between the respective lower longitudinal edges 525 of the two side plates 522 and is guided in longitudinal translation by these edges when the rear pump unit moves from its advanced position to its depressed position.
  • the end of the key is housed in the housing before 415 when the key is in its off position.
  • the end of the key presses on the bottom of the front housing 415, causing the displacement of the rear pump block 41 rearwardly, from its advanced position to its depressed position.
  • the barrel 50 finally comprises a pin 56, visible on the Figures 4B and 5B , rotating in rotation about the longitudinal axis XX 'the burglar block 52 and the rear pump block 41.
  • This pin 56 is engaged at its two opposite ends in a circular groove 21 formed on a radially inner face of the envelope 20, and extending in a plane perpendicular to the longitudinal axis X-X ', the length of the pin 56 corresponding to the diameter of the groove 21.
  • the pin 56 passes through the two side plates 522 of the burglar block 52 through circular holes 528, and passes through the central block 411 of the rear pump block 41 through an oblong hole 418.
  • the diameter of the circular holes 528 corresponds to the diameter of the pin. 56.
  • the oblong hole 418 is elongate in the longitudinal direction, so that the rear pump block 41 can move from its forward position to its depressed position.
  • the pin 56 extends at one end of the oblong hole 418 in the advanced position of the rear pump block 41 and at the opposite end of this hole in the depressed position of the block.
  • the means for blocking the pumping device comprise two bars 60 extending over the entire axial length of the cylinder 51 and integral in axial translation of the rear pump unit 41, and two movable locking members 71 normally arranged in housings 72 and cooperating with each other. with a bar, the movable members 71 being released from their respective housings 72 when the bars 60 are cut with the cylinder 51.
  • the movable members 71 are then interposed axially between the rear pump block 41 and the axial face 523 of the block par and -effraction 52 and prevent the translation of the rear pump unit 41 from its advanced position to its depressed position.
  • the movable blocking members 71 are typically balls.
  • the two bars 60 are identical and parallel, and are arranged diametrically opposite with respect to the cylinder 51.
  • the bar 60 has a general shape in ladder, flat. It comprises a first axial portion 61 linked in axial translation to the rear pump block 41 and carrying a first rear stop 62, a second axial portion 63 normally connected to the first axial translation and carrying a second rear stop 64, and an axial elastic member 65 biasing the first and second stops 62 and 64 axially in the direction of a mutual spacing.
  • the first axial portion 61 comprises a first longitudinal rod 611 and a plurality of mutually parallel bars 612 projecting from one side of the rod 611. to the second axial portion, the bars 612 being integrally formed with this rod. These bars 612 are distributed along the rod 611, one of them extending from the rear end of the rod and constituting the first rear stop 62, another extending from the end before the rod and constituting a first stop before 613.
  • the second axial portion 63 has a shape close to that of the first, and comprises a second longitudinal rod 631 parallel to the first rod 611 and disposed laterally relative thereto, and two mutually parallel bars projecting from the front and rear ends from the second longitudinal rod 631 to the first rod 611, these bars respectively constituting a second stop before 632 and the second rear stop 64. These bars are integral with the second longitudinal rod 631.
  • the first and second stops before 613 and 632 extend in the extension of one another, and have respective free ends in abutment against each other.
  • the free end of the first stop before 613 is cut in steps and has a recessed portion of the front side and a solid part of the rear side.
  • the free end of the second front stop 632 is also cut in steps and has conversely a solid part of the front side and a recessed part of the rear side. These free ends are nested one inside the other, the solid part of one filling the recessed part of the other.
  • the two front stops are thus integral in translation along the longitudinal axis X-X '.
  • the other bars 612 extend transversely to the second longitudinal rod 631.
  • the front pump block 55 comprises upper and lower lugs 551 similar to the upper and lower lugs 413 and 414 of the rear pump block 41.
  • the upper front lug 551 is engaged between on the one hand the front stops 613 and 632, and on the other hand the bar 612 closest to the first stop before 612. This lug has the front and rear of the flat faces in contact respectively with said stops before and with said bar 612.
  • the upper lug 413 of the rear pump block 41 is engaged between the first rear stop 62 and the bar 612 closest to this stop.
  • This lug has a bearing face 416 facing the burglar block 52, that is to say, rearward, on which the first rear stop 62 bears.
  • This bearing face is parallel to the axial face 523 of the burglar block 52.
  • the second rear stop 64 is interposed between the first rear stop 62 and the axial face 523 of the burglar block 52, at a distance from one and the other.
  • the first and second rear stops 62 and 64 respectively have a first rear face 621 and a second front face 641 facing each other, extending perpendicularly to the longitudinal axis X-X ', and each carrying a cylindrical stud 651. These studs are arranged in the extension of one another in the longitudinal direction.
  • the axial elastic member 65 is a helical spring fitted at its two opposite ends on the studs 651.
  • the second back stop 64 further comprises a flap 642 extending parallel to the longitudinal axis X-X '. This flap is rigidly fixed by a first axial side 643 on the second front face 641 of the stop and extends forward towards the first rear stop 62.
  • the two studs 651 are normally close to each other, the helical spring 65 then being compressed, as shown in FIG. Figure 4A . It will be noted that, despite the bias exerted by the spring, the second axial portion 63 is held in position relative to the first axial portion 61 by the second front stop 632 bearing on the upper front lug 551 and on the first front stop 613.
  • the flap 642 comes into contact with the first rear face 621 of the first rear stop 62 by a second axial side 644 opposite to the first.
  • the second axial side 644 is also in contact with a locking face 417 of the rear pump block 41 which is in the same plane as the second front face 641 of the second rear stop 64. This locking face 417 is turned towards the face axial 523 of the burglar block 52.
  • the housing 72 of the movable locking member 71 is formed in the central block 411 of the rear pump block 41. It has an opening normally closed by the flap 642.
  • the second rear stop 64 is disposed at a distance from the axial face 523 of the burglar block 52 in the advanced position of the rear pump block 41.
  • the front pump block 55, the packings 31, the bars 60, and the rear pump block 41 move jointly in translation towards the rear relative to the cylinder 51 and the burglar block 52.
  • the second rear stop 64 does not abut against the axial face 523 of the burglar block 52.
  • a rear portion of the second axial portion 63 is consequently disengaged from the front portion of this same second axial portion.
  • This rear portion is no longer held in position relative to the first axial portion 61 by the second front stop 632 and, as shown in FIG. Figure 5B , is spaced longitudinally rearward under the effect of the biasing of the coil spring 65, to a spaced position in which the second rear stop 64 bears on the axial face 523 of the tamper block 52.
  • the means for blocking the pumping device comprise an elastic member, not shown, urging the movable locking member 71 out of its housing 72 when the voucher 642 does not foreclose housing 72.
  • the opening of the housing 72 is disposed laterally with respect to the flap 642 and to the locking face 417, immediately behind this blocking face.
  • the movable locking member 71 leaves its housing 72 by a movement in a transverse direction and is interposed between the second axial side 644 of the flap and the locking face 417 of the rear pump block 41.
  • the diameter of the movable locking member 71 is chosen so that it fills substantially the entire gap between the flap 642 and the locking face 417. It is no longer possible to move the block rear pump 41 to the rear from its advanced position. When the block is biased towards the rear, the locking face 417 bears on the movable locking member 71, which itself bears on the flap 642, the latter being locked in translation since the second rear stop 64 is resting against the axial face 523 of the burglar block 52.
  • the bars are disposed at the periphery of the cylinder, on two diametrically opposite sides, and it is virtually impossible to cut the cylinder without cutting at least one of the bars.
  • the means for blocking the pumping mechanism are both simple and robust. They involve a small number of parts, and are therefore particularly economical. They adapt well to lock models currently developed, and can be incorporated without disrupting the design of these locks.
  • the device may comprise only one bar and a single locking member, or on the contrary more than two bars each cooperating with a movable locking member. These bars can be placed at different points of the cylinder, and not necessarily at the vertices of the half-shells.
  • the authentication device of the coding reliefs of the key may be different from the mechanism with gaskets and gables described above.
  • the blocking element of the rear pump block may have a different shape of a ball and be for example cubic or parallelepiped.
  • the housing of the movable blocking member may be provided elsewhere than on the rear pump block, for example in the side plates of the burglar block.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Lock And Its Accessories (AREA)
  • Closures For Containers (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
EP04742437A 2003-12-03 2004-04-05 Dispositif de blocage et de deblocage d'un mouvement d'actionnement, notamment pour serrure de surete, muni de moyens de blocage en cas de tronconnement du barillet Expired - Lifetime EP1697606B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314201A FR2863295B1 (fr) 2003-12-03 2003-12-03 Dispositif de blocage et de deblocage d'un mouvement d'actionnement, notamment pour serrure de surete, muni de de moyens de blocage en cas de tronconnement du barillet
PCT/FR2004/000844 WO2005066439A1 (fr) 2003-12-03 2004-04-05 Dispositif de blocage en cas de tronconnement du barillet, notamment pour seerure de surete

Publications (2)

Publication Number Publication Date
EP1697606A1 EP1697606A1 (fr) 2006-09-06
EP1697606B1 true EP1697606B1 (fr) 2010-06-30

Family

ID=34586278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04742437A Expired - Lifetime EP1697606B1 (fr) 2003-12-03 2004-04-05 Dispositif de blocage et de deblocage d'un mouvement d'actionnement, notamment pour serrure de surete, muni de moyens de blocage en cas de tronconnement du barillet

Country Status (7)

Country Link
EP (1) EP1697606B1 (es)
AT (1) ATE472651T1 (es)
DE (1) DE602004027944D1 (es)
ES (1) ES2347960T3 (es)
FR (1) FR2863295B1 (es)
PT (1) PT1697606E (es)
WO (1) WO2005066439A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2466039B1 (en) * 2010-12-17 2019-01-23 Talleres De Escoriaza, S.A. Security device for lock cylinder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT206874Z2 (it) * 1985-11-25 1987-10-12 Turatti Mario Dispositivo antifurto bloccasterzo per autoveicoli
FR2833638B1 (fr) * 2001-12-13 2004-07-30 Fichet Serrurerie Batiment Fsb Dispositif de blocage et de deblocage d'un mouvement d'actionnement, notamment pour serrure de surete

Also Published As

Publication number Publication date
EP1697606A1 (fr) 2006-09-06
DE602004027944D1 (de) 2010-08-12
FR2863295A1 (fr) 2005-06-10
ATE472651T1 (de) 2010-07-15
PT1697606E (pt) 2010-09-29
FR2863295B1 (fr) 2006-03-10
ES2347960T3 (es) 2010-11-26
WO2005066439A1 (fr) 2005-07-21

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