EP2259889B1 - Kappsägemaschine mit verbesserter schutzvorrichtung - Google Patents

Kappsägemaschine mit verbesserter schutzvorrichtung Download PDF

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Publication number
EP2259889B1
EP2259889B1 EP09722425A EP09722425A EP2259889B1 EP 2259889 B1 EP2259889 B1 EP 2259889B1 EP 09722425 A EP09722425 A EP 09722425A EP 09722425 A EP09722425 A EP 09722425A EP 2259889 B1 EP2259889 B1 EP 2259889B1
Authority
EP
European Patent Office
Prior art keywords
blade
work head
guard element
guard
machine
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.)
Not-in-force
Application number
EP09722425A
Other languages
English (en)
French (fr)
Other versions
EP2259889A1 (de
Inventor
Giuliano Tomesani
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.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
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 Black and Decker Inc filed Critical Black and Decker Inc
Priority to EP11155320A priority Critical patent/EP2343146B1/de
Publication of EP2259889A1 publication Critical patent/EP2259889A1/de
Application granted granted Critical
Publication of EP2259889B1 publication Critical patent/EP2259889B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/16—Saw benches
    • B27B5/165—Convertible sawing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws

Definitions

  • the present invention relates to a chop sawing machine for cutting a workpiece into section members, bars and the like.
  • chop sawing machines and in particular compound chop sawing machines, i.e. machines having two different work tables, an upper and a lower work table respectively, for carrying out cutting of section members, bars, wood laths for skirting boards and other artefacts, which are provided with means for rotation-translation of the work head relative to the work table.
  • compound chop sawing machines i.e. machines having two different work tables, an upper and a lower work table respectively, for carrying out cutting of section members, bars, wood laths for skirting boards and other artefacts, which are provided with means for rotation-translation of the work head relative to the work table.
  • These types of machines are generally used in situ, e.g. in building yards for cutting off the above mentioned artefacts.
  • These machines comprise a work head that is movable relative to the lower work table and manually operable by means of handle members; the work head is provided with a cutting member, generally a powered rotary blade, for carrying out the chopping and/or squaring operations on the pieces resting on the lower work table.
  • a cutting member generally a powered rotary blade
  • the upper region of the work head is substantially planar to define the upper work table provided with a slot from which the upper portion of the cutting member emerges for cutting the pieces positioned on the upper work table and rigidly fastened thereto by means of abutment elements and screw threaded fastener means.
  • the work head is rotatably associated with the lower work table relative to at least one rotation axis substantially parallel to the plane defined by the lower work table.
  • the work head can be slidably associated with the base for translation of same relative to the work table and therefore for carrying out the front cut of the pieces resting on the work table.
  • chop sawing machines which have straight guide means interposed between the work head and the base for performing the translational motion of the head along a direction substantially parallel to the lower work table.
  • the chop sawing machines of known type comprise guard means for protection of at least one blade portion exposed from the work head, which means is pivotally associated with the work head for progressive exposure of said blade during cutting of the workpiece.
  • the guard means comprises at least one first guard element for protection of the lower blade portion which is the farthest from the hinging point of the work head on the base and at least one second guard element for protection of the lower blade portion which is the closest to said hinging point, in the form of a plate disposed alongside the blade, for example.
  • the region concerned with said second guard element is the so-called end trimming region in which by a cut from the top with the lower portion of the blade that is the closest to the hinging point of the work head on the base, exactly said end trimming operations of special pieces such as laths for skirting boards and the like are carried out.
  • the invention aims at ensuring a good cut efficiency, above all in the so-called end trimming region of the workpieces, enabling wide sectors in the active portion of the cutting member to come into contact with the workpieces, irrespective of the angle of inclination of the cutting member to the lower work table and of the shape of the workpiece.
  • Another aim of the present invention is to provide a simple structure of relatively easy practical accomplishment, safe use and efficient operation, and also of relatively reduced cost, exhibiting a reduced bulkiness similar to that of a traditional radial chop sawing machine.
  • a chop sawing machine of the compound type for example, comprising a base 2 defining at least one work table 3 for support of at least one workpiece.
  • the work table 3 for instance, can be of the type rotating about a substantially vertical axis and having means for temporarily clamping the workpiece, of the vice type or the like for example, not shown in detail as it is of known type, as well as abutment means 4 for positioning the workpiece in a working region defined in the work table.
  • the machine 1 further comprises at least one work head 5, associated with base 2, which is movable relative to the work table 3; for example, the work head is pivotally associated with base 2 for rotation relative to at least one axis substantially parallel to the work table 3 according to a rotation R1, shown in the figure.
  • the work head 5 is provided with a circular blade 6 having a region at least partly exposed from the work head and rotating, through motor means 7 of a type known to a person skilled in the art, for carrying out cutting of the workpiece.
  • the work head 5 is for example pivotally associated with base 2 relative to two distinct rotation axes, i.e. a first axis orthogonal to the lying plane of the blade 6 for moving the work head close to/away from the work table 3 following the rotation R1 and a second axis parallel to said lying plane for inclination of the work head 5 and consequently the blade, to the work table 3, which rotation is identified by reference R2.
  • the work head 5 in the preferred embodiment shown in the figure, has an auxiliary work table 8 associated in an adjustable manner with the upper portion of the work head itself; the auxiliary work table is provided with a through slot from which the upper portion of blade 6 emerges for cutting a further piece.
  • the auxiliary work table 8 is adjustable as known to a person skilled in the art, being adjustable the distance between the auxiliary work table 8 and the hinging axis of blade 6 on the work head 5, so that it is possible to adjust the cut depth imparted to the further piece by the upper portion of blade 6 emerging from the auxiliary work table.
  • the work head 5 comprises guard means for at least an exposed portion of blade 6 from the work head 5.
  • the guard means is pivotally associated with the work head 5 for progressive exposure of blade 6 during cutting of the workpiece.
  • the guard means comprises at least one first guard element 9 for protection of the lower portion of blade 6 distal from the hinging point 10 of the work head 5 on base 2.
  • the first guard element 9 is for instance alternately movable between a retracted configuration in the work head 5, for releasing the lower active portion of blade 6 for engagement on the workpiece, and an extended configuration for covering at least said lower exposed portion.
  • the first guard element 9, in the particular embodiment shown in the figure, comprises at least one first and one second circular sector, 9a and 9b respectively, which are pivotally associated with the work head 5 around respective rotation axes substantially parallel to the rotation axis of blade 6.
  • the first and second circular sectors 9a and 9b comprise at least one first and one second plate respectively which have a lune-shaped conformation and are substantially disposed in coplanar relationship with blade 6 in the vicinity of the blade itself.
  • each plate has a peripheral edge which is turned up in a U-shaped configuration for holding the corresponding portion of blade 6.
  • the first and second circular sectors, 9a and 9b respectively, are interconnected with each other by mutual-drive means, at least partly overlapped, of known type.
  • the drive means comprises at least one stud 11 protruding in a transverse direction from at least one of the first and second plates, and that, through progressive opening of said plate, is progressively slidably guided within a guide 12 associated with the other of the first and second plates.
  • first circular sector 9a is pivotally associated with the work head 5 in coaxial relationship with blade 6 and comprises means 13 resting on the workpiece profile.
  • first guard element 9 is also possible, in which the second circular sector 9b is pivotally associated with the work head 5 coaxially with the blade itself, for example.
  • the guard means comprises at least one second guard element 14, pivotally associated with the work head 5, for protection of the lower portion of blade 6 proximal to the hinging point 10.
  • the machine 1 comprises displacement means 15 for the rotation fulcrum 16 of the second guard element 14.
  • the second guard element 14 is pivotally associated with the work head 5 with a rotation axis substantially parallel to the rotation axis of blade 6 and distinct therefrom.
  • the displacement means 15 comprises at least one interconnecting lever 17 interposed between the second guard element 14 and the work head 5.
  • the interconnecting lever 17 comprises at least one first end 17a pivotally associated with the work head 5 relative to an axis substantially parallel to the rotation axis of blade 6 and a second end 17b associated with the second guard element 14.
  • the interconnecting lever 17 can be pivotally associated with the work head 5 in coaxial relationship with blade 6, the first guard element 9 and the interconnecting lever 17 being counter-rotating for exposure of at least the active portion of the blade itself.
  • the second end 17b is pivotally associated with the second guard element 14.
  • the machine 1 further comprises removable locking means restraining rotation of at least one of the second guard element 14 and the interconnecting lever 17 and associated with at least one of the second guard element, the interconnecting lever and the work head 5.
  • the locking means in particular is of the automatic activation type upon positioning of the second guard element 14 in a configuration for protection of the lower portion of blade 6 proximal to the hinging point 10 and/or upon positioning of the work head 5 in a configuration moved close to and/or apart from the work table 3.
  • the removable locking means comprises at least one catch 18 associated with the interconnecting lever 17 and adapted to be housed in at least one housing seat 19 formed at least at one of the work head 5 and the base 2.
  • the housing seat 19 is made at a support body 20 in the vicinity of the hinging point 10; the support body 20 is pivotally associated with the work head 5 and the base 2 respectively, as known to a person skilled in the art, for rotation of the work head itself relative to the work table 3 according to two distinct rotation axes.
  • the first guard element 9 and second guard element 14 are adapted to move independently of each other.
  • the locking means are of such a nature that it is activated for locking of the interconnecting lever 17 of the first and second guard elements, 9 and 14 respectively, upon positioning of the work head 5 in the moved-apart configuration; therefore, the machine 1 when in this configuration is in a fully safe condition for the operator, with the lower cutting edge of the blade 6 completely enclosed by the first and second guard elements 9 and 14, when the work head 5 is in the configuration moved apart from the work table 3.
  • the second guard element 14 is for example in the form of a plate disposed parallel to the lower blade portion and proximal to the hinging point 10 of the work head on base 2.
  • the machine 1 comprises feeler means following the profile of the workpiece, which is associated with the end of the second guard element 14 opposite to the fulcrum of rotation 16, in particular with the plate end facing the workpiece itself.
  • the feeler means rests on the workpiece for pushing the second guard element 14 from the protection configuration to the configuration of exposing the lower portion of said blade proximal to the hinging point 10, against the action of spring means.
  • the spring means is in the form of a helical spring 22 for example and is directly interposed between the interconnecting lever 17 and the work head 5 for return of the interconnecting lever and therefore the second guard element 14, from the exposed to the protected configurations of the blade portion concerned with the second guard element.
  • the machine 1 comprises a pair of second guard elements 14 and a respective pair of said interconnecting levers 17 disposed on the opposite side relative to blade 6 for full protection of both the blade sides.
  • the work head 5 can further contemplate the presence of a third guard element for protection of the upper blade portion emerging from the slot formed in the auxiliary work table 8, the third guard element being not shown in the figure as known by itself.
  • the third guard element for example, consists of a casing which is rotatably or removably associated with the auxiliary work table 8 and is adapted to be fitted on the upper portion of blade 6 under non-use conditions of the latter, as known to those skilled in the art.
  • the work table further comprises a groove 23 for housing blade 6 which is formed in the work table and is disposed with its longitudinal axis substantially parallel to the lying plane of the blade itself.
  • the machine 1 can further comprise straight guide means for the work head 5, of known type or of the type being the object of a copending patent application of the same Applicant, which is associated with at least one of the work head 5 and the base 2 for translation of the work head relative to the work table 3, along a translation direction.
  • the translation direction is defined so as to be substantially parallel to the longitudinal axis of groove 23 and, therefore, to the lying plane of blade 6.
  • the work head 5 further comprises a slot 24 disposed in the vicinity of a lower blade portion close to the hinging point 10, this slot 24 being adapted to expose such a blade portion which in particular acts for carrying out working operations of the end trimming type, known to those skilled in the art.
  • Operation of the present invention is as follows. Therefore the machine 1 employed for execution of end trimming operations on workpieces through cutting from above by means of the blade 6 portion which is the closest to the hinging point 10, contemplates that the second guard element 14 will expose such a blade portion, through rotation relative to the work head around the fulcrum of rotation 16, gradually with the progress of the cutting operation.
  • the interconnecting lever 17 hinged on the work head 5 and the second guard element respectively progressively rotates as cutting advances, against the action of the helical spring 22.
  • Rotation of the interconnecting lever 17, in particular, allows displacement of the fulcrum of rotation 16 and consequently enables a further rotation of the second guard element 14 adapted to uncover a larger portion of blade 6 concerned with the workpiece end trimming operation.
  • the disclosed invention achieves the intended purposes and it is in particular pointed out that the chop sawing machine of the invention has a reduced bulkiness while at the same time enabling cutting operations, in particular end trimming operations, without the sizes of the workpieces being limited.
  • the above described chop sawing machine ensures a good cut efficiency, above all in the so-called workpiece end trimming region, allowing wide sectors of active portion of the cutting member to come into contact with the workpieces, irrespective of the angle of inclination of the cutting member to the lower work table and of the shape of the workpiece.
  • the invention as conceived allows a chop sawing machine to be obtained which has a simple structure, of relatively easy practical accomplishment, safe use and efficient operation, which in addition has a relatively reduced cost.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Turning (AREA)

Claims (13)

  1. Kappsägemaschine (1), umfassend einen Sockel (2), der mindesten einen Arbeitstisch (3) zum Abstützen mindestens eines Werkstückes definiert, mindestens einen Arbeitskopf (5), der schwenkbar mit dem Sockel verbunden ist, im Verhältnis zum Arbeitstisch mindestens zwischen einer Anordnung, die nahe dem Arbeitstisch liegt, und einer Anordnung, die davon weg bewegt ist, beweglich ist und mit einem sich drehenden, kreisrunden Sägeblatt (6) ausgestattet ist, das mindestens teilweise aus dem Kopf herausragt und zum Schneiden des Werkstückes freiliegt, Schutzmittel (9, 14) zum Schützen mindestens eines freiliegenden Abschnittes des Sägeblattes gegen den Arbeitskopf, wobei die Schutzmittel schwenkbar mit dem Arbeitskopf verbunden sind, um das Sägeblatt während des Schneidens des Werkstückes fortschreitend freizulegen, wobei die Schutzmittel mindestens ein erstes Schutzelement (9) für den unteren Abschnitt des Sägeblatts umfassen, der entfernt vom Gelenkpunkt (10) des Arbeitskopfes am Sockel liegt, sowie mindestens ein zweites Schutzelement (14) zum Schutz des unteren Abschnittes des Sägeblatts, der nahe dem Gelenkpunkt liegt, wobei die Kappsägemaschine ferner Mittel zum Verlagern des Drehpunktes der Rotation (16) des zweiten Schutzelementes im Verhältnis zum Arbeitskopf (5) umfasst, dadurch gekennzeichnet, dass das erste Schutzelement (9) und das zweite Schutzelement (14) dafür eingerichtet sind, sich unabhängig voneinander zu bewegen.
  2. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass sie mindestens einen Hilfsarbeitstisch (8) zum Abstützen eines weiteren Werkstückes umfasst, der justierbar mit dem Arbeitskopf verbunden ist und höher als dieser angeordnet ist, wobei der Hilfsarbeitstisch mit mindestens einem Schlitz ausgestattet ist, aus welchem mindestens der obere Abschnitt des Sägeblatts zum Schneiden des weiteren Werkstückes herausragt.
  3. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Schutzelement schwenkbar mit dem Arbeitskopf verbunden ist, wobei seine Rotationsachse im Wesentlichen parallel zur Rotationsachse des Sägeblatts verläuft und von dieser verschieden ist.
  4. Maschine nach Anspruch 1 und einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Verlagerungsmittel mindestens einen verbindenden Schwenkhebel (17) umfassen, der zwischen dem zweiten Schutzelement und dem Arbeitskopf angeordnet ist.
  5. Maschine nach Anspruch 1 und einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der verbindende Schwenkhebel mindestens ein erstes Ende (17a) umfasst, das schwenkbar mit dem Arbeitskopf (5) im Verhältnis zu einer Achse verbunden ist, die im Wesentlichen parallel zur Rotationsachse des Sägeblatts verläuft, und ein zweites Ende (17b), das mit dem zweiten Schutzelement (14) verbunden ist.
  6. Maschine nach einem der vorhergehenden Ansprüche 4 oder 5, dadurch gekennzeichnet, dass der verbindende Schwenkhebel in koaxialem Verhältnis zum Sägeblatt schwenkbar mit dem Arbeitskopf verbunden ist, wobei das erste Schutzelement und der verbindende Schwenkhebel im Verhältnis zueinander gegendrehend sind, um mindestens den aktiven Abschnitt des Sägeblatts freizulegen.
  7. Maschine nach Anspruch 5 und einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Ende schwenkbar mit dem zweiten Schutzelement verbunden ist.
  8. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie ein entfernbares Sperrmittel (18) umfasst, um die Rotation mindestens des zweiten Schutzelements und/oder des verbindenden Schwenkhebels zu unterbinden, wobei das Sperrmittel mit mindestens dem zweiten Schutzelement und/oder dem verbindenden Schwenkhebel und/oder dem Arbeitskopf verbunden ist.
  9. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sperrmittel von der Art ist, die sich nach der Positionierung des zweiten Schutzelements in einer Anordnung zum Schutz des unteren Abschnittes des Sägeblatts nahe dem Gelenkpunkt und/oder nach der Positionierung des Arbeitskopfes in der im Verhältnis zum Arbeitstisch angenäherten und/oder wegbewegten Anordnung automatisch aktiviert.
  10. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Schutzelement Fühlermittel umfasst, die dem Profil des Werkstückes folgen und die gegenüber dem Drehpunkt der Rotation und dem Werkstück zugewandt mit dem Ende des zweiten Schutzelements verbunden sind, um das zweite Schutzelement entgegen der Wirkung eines Federmittels (22) von der Schutzanordnung in die Anordnung zu drücken, in der der untere Abschnitt des Sägeblatts nahe dem Gelenkpunkt freiliegt.
  11. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass der Arbeitskopf mindestens einen Schlitz (24) umfasst, der in der Nähe des unteren Abschnittes des Sägeblatt nahe dem Gelenkpunkt angeordnet ist, um den aktiven unteren Abschnitt des Sägeblatts nahe den Gelenkpunkt freizulegen.
  12. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie ein Paar der zweiten Schutzelemente (14) und ein Paar der verbindenden Schwenkhebel (17) umfasst, die im Verhältnis zum Sägeblatt an der gegenüberliegenden Seite angeordnet sind.
  13. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass die ersten und das zweiten Schutzelemente den unteren Rand des Sägeblatts vollständig umschließen, wenn sich der Arbeitskopf in der vom Arbeitstisch wegbewegten Anordnung befindet.
EP09722425A 2008-03-17 2009-03-06 Kappsägemaschine mit verbesserter schutzvorrichtung Not-in-force EP2259889B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11155320A EP2343146B1 (de) 2008-03-17 2009-03-06 Kappsägemaschine mit Schutzvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000007U ITMO20080007U1 (it) 2008-03-17 2008-03-17 Macchina troncatrice dotata di mezzi di protezione perfezionati.
PCT/IB2009/000491 WO2009115883A1 (en) 2008-03-17 2009-03-06 Chop sawing machine provided with improved guard means

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP11155320.2 Division-Into 2011-02-22

Publications (2)

Publication Number Publication Date
EP2259889A1 EP2259889A1 (de) 2010-12-15
EP2259889B1 true EP2259889B1 (de) 2011-11-23

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP09722425A Not-in-force EP2259889B1 (de) 2008-03-17 2009-03-06 Kappsägemaschine mit verbesserter schutzvorrichtung
EP11155320A Not-in-force EP2343146B1 (de) 2008-03-17 2009-03-06 Kappsägemaschine mit Schutzvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11155320A Not-in-force EP2343146B1 (de) 2008-03-17 2009-03-06 Kappsägemaschine mit Schutzvorrichtung

Country Status (4)

Country Link
EP (2) EP2259889B1 (de)
AT (2) ATE534481T1 (de)
IT (1) ITMO20080007U1 (de)
WO (1) WO2009115883A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0908484D0 (en) * 2009-05-18 2009-06-24 Black & Decker Inc Mitre saw
DE102010039224A1 (de) * 2010-08-11 2012-02-16 Metabowerke Gmbh Kapp- und Tischkreissäge
CN108356775B (zh) * 2018-01-23 2024-01-16 苏州国量量具科技有限公司 量块夹具
DE102019200366A1 (de) 2019-01-14 2020-07-16 Festool Gmbh Sägeblattabdeckung, Anschlagseinheit und Tischsäge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742643Y2 (ja) * 1989-11-16 1995-10-04 リョービ株式会社 切断角度可変丸鋸装置
US5950514A (en) 1997-02-28 1999-09-14 Benedict Engineering Company Miter saw blade guards
DE29707664U1 (de) * 1997-04-28 1997-07-10 Huang Peter Schutzabdeckung für eine Hochleistungssäge
JP2005178281A (ja) * 2003-12-22 2005-07-07 Makita Corp 上部テーブル付卓上丸鋸

Also Published As

Publication number Publication date
ITMO20080007U1 (it) 2009-09-18
ATE545477T1 (de) 2012-03-15
EP2343146A1 (de) 2011-07-13
EP2259889A1 (de) 2010-12-15
ATE534481T1 (de) 2011-12-15
WO2009115883A1 (en) 2009-09-24
EP2343146B1 (de) 2012-02-15

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