EP1130141A1 - Anlage zum Beliefern einer Zwirnmaschine mit Fasern, insbesondere Glasfasern - Google Patents

Anlage zum Beliefern einer Zwirnmaschine mit Fasern, insbesondere Glasfasern Download PDF

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Publication number
EP1130141A1
EP1130141A1 EP01200465A EP01200465A EP1130141A1 EP 1130141 A1 EP1130141 A1 EP 1130141A1 EP 01200465 A EP01200465 A EP 01200465A EP 01200465 A EP01200465 A EP 01200465A EP 1130141 A1 EP1130141 A1 EP 1130141A1
Authority
EP
European Patent Office
Prior art keywords
bobbins
runway
longitudinal
plant
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.)
Granted
Application number
EP01200465A
Other languages
English (en)
French (fr)
Other versions
EP1130141B1 (de
EP1130141A8 (de
Inventor
Marco Oci
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.)
Salmoiraghi SpA
Original Assignee
Salmoiraghi SpA
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 Salmoiraghi SpA filed Critical Salmoiraghi SpA
Publication of EP1130141A1 publication Critical patent/EP1130141A1/de
Publication of EP1130141A8 publication Critical patent/EP1130141A8/de
Application granted granted Critical
Publication of EP1130141B1 publication Critical patent/EP1130141B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
    • D01H9/182—Overhead conveying devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/064—Supplying or transporting cross-wound packages, also combined with transporting the empty core
    • 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
    • D01H1/18—Supports for supply packages
    • D01H1/183—Overhead suspension devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a plant for feeding twisting machines for fibres, in particular glass fibres, which operate on the fibre leaving first bobbins by twisting it and winding it in the form of second bobbins wound on spindles.
  • first bobbins In processing glass fibre, this is wound on large tubular supports to form first bobbins, which after various handling operations (transport, weighing, storage, drying, etc.) are placed on twisting machines where the fibre is unwound from the first bobbin and, after twisting and tensioning, rewound on a spindle to form a second bobbin, to acquire the desired technical properties enabling it to be used.
  • the present invention relates to the feeding of twisting machines, i.e. transporting the first bobbins to and loading them onto the twisting machines, removing the second bobbins from these machines and finally transporting these bobbins to a final station.
  • Said first bobbins are currently brought in proximity to the twisting machines by suitable carriages and, each time the twisting machine finishes a twisting cycle, these bobbins are transferred by the carriages onto the relative rotary supports of the twisting machine, while the second bobbins are withdrawn from the machine and placed on other carriages; the carriage with the second bobbins is then brought to a final station.
  • a further considerable drawback is the fact that the handling of the first and second bobbins by said transport carriages requires transport lines involving considerable overall floor space, creating obstacles and restraints to the movement of persons and objects, and requiring special complex protection systems against accidents caused by carriage movement.
  • An object of the present invention is to provide a plant for feeding twisting machines with bobbins which is able to overcome said drawbacks.
  • the plant of the invention is based on the fact of comprising:
  • the plant comprises:
  • said transfer car is arranged to receive, suspended on board, a manipulating machine on any longitudinal runway, to transfer it to the end of another longitudinal runway, and to release it thereon.
  • An important advantage of the invention is that the first bobbins are transferred from the transverse carriages to the twisting machines and the second bobbins are transferred from the machines to the carriages in a mechanized and automatic manner.
  • the plant of the invention is positioned spatially above the twisting machines at a distance therefrom and from the floor, such as to allow the free geometric arrangement of these machines on the floor and the free passage of personnel and vehicles on the floor, and in particular in produces neither encumbrances nor obstacles to the movement of personnel close to the twisting machines.
  • the personnel can follow the operation of the manipulating machines and transfer car at floor level from close by, in order to control their operation, or to be able to give best and most rapid attention to residual manual operations in sequence with the operation of the manipulating machine, ie the removal of the empty support of the first bobbins from the twisting machines and the insertion thereon of the empty supports for the second bobbins.
  • the invention is described in detail hereinafter with the aid of the accompanying figures which illustrate one embodiment thereof by way of non-limiting example.
  • Figure 1 is a general plan view of the entire plant.
  • Figure 2 is a particular section through Figure 1 on a generic vertical plane perpendicular to the longitudinal runways.
  • Figure 3 is an enlarged detail of Figure 1, showing a transfer car.
  • Figure 3A is a section on the plane IIIA-IIIA of Figure 3, in which two transport carriages are positioned on the transfer car.
  • Figure 4 is an enlarged detail of Figure 2.
  • Figure 4A is a plan view of Figure 4 from above.
  • Figure 4B is an enlarged sectional detail of Figure 4.
  • Figure 5 is a vertical side elevation of a transport carriage.
  • the plant shown in the figures is provided for feeding a plurality of twisting machines (indicated by 90) of known type, arranged on the floor aligned along different parallel longitudinal rows.
  • the machines 90 operate by twisting fibres which they unwind from first bobbins 91 to then rewind them on a spindle 93 of vertical axis to form second bobbins 92.
  • the plant of the invention transfers first bobbins 91, of non-twisted fibre wound on a tubular support 910, in proximity to the machines 90 and loads them onto the appropriate horizontal transverse mandrels of the machines.
  • the first bobbins 91 are handled with the aid of a rigid support saddle 95, in the form of a plate arched as a saddle to sustain the tubular support 910, as this is not sufficiently rigid.
  • the plant of the invention also removes from the machines 90 the second bobbins 92 and transfers them into a final region (indicated overall by B in the figures), in which they are stored (or otherwise).
  • the plant of the invention comprises a plurality of parallel longitudinal overhead runways 10, positioned above and at a distance from the twisting machines 90, and each composed of a central longitudinal rail 11 and two lateral rails 12 positioned to the side of and at a distance from the central rail 11.
  • These rails 11, 12 are supported by brackets 101 fixed to overlying horizontal overhead beams 21 supported by columns 22 fixed to and possibly forming part of the cladding and roofing structure of the building in which the plant of the invention operates (see Figure 2 in particular).
  • the rails 11, 12 are positioned above and at a convenient vertical distance from the twisting machines 90, which are positioned on the floor and aligned to form long rows the longitudinal axis of which lies substantially in the vertical plane passing through the axis of the overlying longitudinal runway 10.
  • a first transverse overhead runway 15 is positioned along the initial end of the longitudinal runways 10, immediately downstream of the preliminary region A, while a second transverse overhead runway 16 is positioned along the final end of the same runways 10 (see Figure 1 in particular).
  • the bobbins 91 and 92 are handled with the aid of a plurality of self-propelled transport carriages 30, arranged to each transport a predetermined number of first bobbins 91 and second bobbins 92, and suspended movable along the runways 10 above and at a distance from the twisting machines 90.
  • the transport carriages 30 arrive at the plant of the invention from the preliminary region A where they are loaded with the first bobbins 91. After they have released the first bobbins 91 onto the machines 90, and have received the second bobbins 92, the carriages 30 are transferred to the final region B where they release the second bobbins 92. After this, the empty carriages are again transferred to the preliminary region A via an overhead return runway 19 directly connecting the final region B to the preliminary region A.
  • first transverse runway 15 there are positioned one or more points of entry 13 to the plant for the carriages 30 originating from the preliminary region A, one or more points of exit 14 from the plant being positioned along the second transverse runway 16 for the carriages which pass to the final region P.
  • Each transport carriage 30 comprises a substantially flat, central vertical support frame 31 carrying on its upper edge two upper wheels 32 of horizontal axis, of which one is driven by an electric motor 320, and by which the carriage 30 is suspended in a vertical position and can run along the central rail 11 (see Figures 4 and 5 in particular).
  • each bobbin 91 is supported by a saddle 95 having downwardly extending ribs 951 by which it rests on two prongs 33 while maintaining the central region within the tubular support 910 free (see F 5).
  • a horizontal lower base 34 carrying a plurality of upwardly facing projections 35 which fit into the spindles 93 of the second bobbins 92 to receive them.
  • At least one machine 40 suspended from and movable along the lateral rails 12, for manipulating the first bobbins 91 and second bobbins 92.
  • This machine 40 is movable along the same runway 10 together with the transport carriages 30 and is arranged to operate on the carriages 30 to transfer the first bobbins 91 from them to an underlying twisting machine 90 and transfer onto them the second bobbins 92 taken from the twisting machine 90.
  • Said machine 40 comprises a support frame 41 suspended from the two lateral rails 12 by motorized wheels 42.
  • the frame 41 runs external to the two sides of and below the transport carriages 30 suspended from the central rail 11. Specifically, when seen from the front (see Figure 4 in particular) it presents an H profile, which defines an upwardly facing upper concavity within which the carriages 30 run, and a downwardly facing lower cavity which runs above the twisting machine 90.
  • the support frame 41 comprises two vertical sidepieces 43, each consisting of a flat framepiece, which are joined together by a flat horizontal central framepiece 44.
  • the wheels are motorized by a single motor 420, carried by the frame 41, to transmit movement to all the wheels 42 via a transmission system comprising belts 421 which substantially follow the H profile of the frame 41.
  • the rails 11 and 12 are positioned at a suitable height from the factory floor, in relation to the height of the machine 40 and of the carriage 30, such that the lower ends of these (and in particular of the machine 40 given that it projects downwards below the carriage 30) are suspended at a greater height, with a suitable margin of safety, than the machines 90 and the personnel moving around the machines 90.
  • two frames 45 movable vertically along the support frame 41, between an upper position (shown on the left part of Figure 4) in which they are parallel and adjacent to the sidepieces 43 and to the lateral sides of the transport carriage 30 and a lower position (shown on the right part of Figure 4) in which they face the lateral sides of the twisting machine 90.
  • Each movable frame 45 defines a pair of vertical rails 451 with which a carriage 46 is associated, engaging and sliding along these rails by means of slide blocks 461.
  • Each carriage 46 is raised and lowered by a pair of belts 462 which pass about pulleys 463 carried by a shaft 465 driven by a motor 464.
  • the carriage 46 in moving, drags with it the relative movable frame 45; when the carriage 46 is in its upper position it also retains the frame 45 in an upper position.
  • the frame 45 halts with its upper end portion engaged with the lower end portion of the sidepiece 43 (as shown on the right part of Figure 4); the carriage 46 slides however further downwards along the frame 45.
  • the frame 45 hence acts as an upwardly retractable guide for the carriage 46.
  • Each carriage 46 carries two superposed rows of means for manipulating the bobbins 91 and 92.
  • the upper row of means comprises a plurality of transverse horizontal arms 47 projecting towards the centre of the machine 40, each carried by a member 471 engaged with and slidable along a respective horizontal transverse support rod 48 projectingly fixed to the carriage 46.
  • Each member 471 is movable forwards and rearwards in a horizontal direction, by the action of a belt passing endlessly about two pulleys 473, one of which is pivoted to the carriage 46 and the other is pivoted to the front end of the respective support rod 48.
  • the rear pulleys 473 are driven by a motor 474.
  • each member 471 there is also fixed, in a lower position, a respective cylinder-piston unit 49 of horizontal transverse axis, carrying at the front end of its rod a thrust plate 491, arranged to act on the rear end of the bobbin 91 hanging on the respective arm 47.
  • each arm 47 is able to penetrate through the hollow support 910 of a first bobbin 91 positioned on the transport carriage 30, in particular in the central upper free region between the two prongs 33 which support the relative saddle 95, to raise it slightly in order to disengage it from the prongs 33 and then lower it and transfer it with a similar but opposite movement onto the relative support means of the twisting machine 90; the cylinder-piston unit also acts during this transfer, to push the bobbin 91 forward.
  • the carriage 46 carries a plurality of gripper means 51 projecting towards the centre of the machine 40 and movable in a transverse direction, to grip the upper end of the spindle 93 of the second bobbins 92 to transfer them from the twisting machine 90 to the transport carriage 30.
  • each carriage 46 there are projectingly fixed two respective horizontal transverse support rods 52, along which two members 521, joined together by a crosspiece 522, are slidable by engagement.
  • This latter carries, projectingly fixed thereto, a plurality of arms 53, to the ends of which are fixed the gripper means 51 which act as clamps operated by respective cylinder-piston units 511.
  • each gripper means 51 is able to grip the upper end of a spindle 93 of a second bobbin 92 positioned on the machine 90 and raise it in order to engage it, by its lower end, on a respective projection 35 on the carriage 30.
  • first transverse runway 15 there is associated at least one self-propelled transfer car 61, suspended from and movable along said runway 15, to receive, suspended on board, the transport carriages 30 at the entry point 13, to transfer them to the initial end of any longitudinal runway 10, and to release them onto this runway 10.
  • the second transverse runway 16 there is associated at least one self-propelled transfer car 62, identical with the car 61, and suspended from and movable along said runway 16, to receive, suspended on board, the transport carriages 30 at the final end of any longitudinal runway 10, to transfer them to said exit point 14, and to release them thereonto.
  • Each transfer car 61, 62 is also able to receive, suspended on board, a machine 40 at any longitudinal runway 10, to transfer it to the end of another longitudinal runway 10, and to release it thereonto.
  • Each transfer car 61, 62 comprises a flat horizontal frame 63 provided with wheels 64 which are driven by a motor 640 and by which it engages and runs on two rails 17, which constitute the transverse runways 15 and 16.
  • Relatively short lengths of rail 71 and 72 are suspendedly fixed, perpendicular to the rails 17, on the lower face of the frame 63 at a lower level than the rails 17; two rails 71 are provided to each support a suspended transport carriage 30 and are positioned a distance apart such as to enable two carriages 30 to be loaded simultaneously onto the car 61, 62. Two rails 72 are also provided, positioned outwards of the rails 71, to suspendedly support a manipulating machine 40.
  • a central guide 65 fixed by columns 652 to the frame 63, and presenting a pair of guide recesses 651 into which a number of idle wheels 66, of vertical axis, positioned on the lower base 34 of each carriage 30 are fitted.
  • This guide serves to restrain the carriages 30 loaded onto the car 61, 62 against lurching in a direction parallel to the rails 17.
  • the central rail 11 and one of the rails 12 is electrified, the carriages 30 and the machines 40 which run on them possessing suitable devices in sliding contact with the electrified rails, to power the electric motors mounted on them.
  • One of the rails 17 in the transverse runways is also electrified, to power the motors provided on the car 61, 62.
  • the plant of the invention comprises automatic control means which determine the following operation.
  • the transport carriages 30 are loaded with first bobbins 91 in the preliminary region A and from here they arrive at the entry points 13 positioned facing the transverse runway 15 where they are loaded, in particular two at a time, onto a transfer car 61 positioned on the runway 15. They are transferred by this car 61 from the entry point 13 to a longitudinal runway 10, on which they are brought above one of the twisting machines 90 which is terminating or has terminated the winding of bobbins with twisted fibre and requires the second bobbins 92 to be removed in order to be fed with further first bobbins 91.
  • the car 61 moves into the entry point 13, in such a position as to align one of its rails 71 with the rail 131 of the entry point 13; then the carriage 30 positioned in 13 rises onto the carriage 61 and this moves slightly along the runway 15 to align its other rail 71 with the rail 131 and receive on board a second carriage 30 positioned in 13.
  • the car 61 then moves to the initial end of the programmed longitudinal runway 10 where, aligning both the rails 71 one at a time with the central rail 11, releases both the carriages 30 onto the runway 10. Finally, the car 61 returns to the entry point 13 to receive further carriages 30.
  • a manipulating machine 40 is also moved above this latter along the same longitudinal runway 10. This machine, operating on one transport carriage 30 at a time, transfers the first bobbins 91 from the carriages 30 to the twisting machine 90 and withdraws the just completed second bobbins 92 from the twisting machine 90 and fits them onto the projections 35 on the carriages 30.
  • the arms 47 operate first to take the first bobbins 91 together with the relative support saddles 95 from the prongs 33 positioned on both faces of the carriage 30; the arms 47 are then lowered to the level of the machine 90 and the bobbins 91 are transferred onto the support means of the machine 90 by the action of the cylinder-piston units 49 which urge the bobbins 91 onto the said means, so releasing them from their support on the saddles 95, which instead remain engaged by the arms 47; the arms 47 are then returned to their upper position where they return the saddles 95 (now without the bobbins 91) onto their supporting prongs 33.
  • the gripping means 51 then withdraw the second bobbins 92 from the machine 90 and arrange them on the carriage 30, fitted onto the projections 35.
  • the transport carriage 30 loaded with these second bobbins 92 originating from the twisting machine are moved to the final end of the longitudinal runway 10, where, by means of the transfer car 62 of the second transverse runway 16, they are transferred to an exit point 14, in the same manner in which the transfer car 61 of the first transverse runway 15 operates.
  • the bobbin manipulating machine 40 is transferred to another machine 90 positioned on the same longitudinal runway 10 or on another runway 10. Transfer from one to another longitudinal runway 10 is effected by a transfer car 61 or 62, in the same manner in which the carriages 30 are transferred.
  • the plant of this invention is advantageously suitable for operation with a high degree of automatic control and data memorization by means of a central computer connected to all the machine PCs and to a general computer which also oversees the upstream and downstream regions; in particular, for each second bobbin it enables the characteristic data (count, quality, etc.) of the first bobbin, from which its yarn originates, to be recorded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP01200465A 2000-02-25 2001-02-09 Anlage zum Beliefern einer Zwirnmaschine mit Fasern, insbesondere Glasfasern Expired - Lifetime EP1130141B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000RE000012A IT1318324B1 (it) 2000-02-25 2000-02-25 Impianto per alimentare macchine ritorcitrici per fibre, inparticolare fibre di vetro.
ITRE000012 2000-02-25

Publications (3)

Publication Number Publication Date
EP1130141A1 true EP1130141A1 (de) 2001-09-05
EP1130141A8 EP1130141A8 (de) 2001-11-28
EP1130141B1 EP1130141B1 (de) 2003-12-10

Family

ID=11453857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01200465A Expired - Lifetime EP1130141B1 (de) 2000-02-25 2001-02-09 Anlage zum Beliefern einer Zwirnmaschine mit Fasern, insbesondere Glasfasern

Country Status (4)

Country Link
EP (1) EP1130141B1 (de)
AT (1) ATE256209T1 (de)
DE (1) DE60101397D1 (de)
IT (1) IT1318324B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007036335A1 (de) * 2005-09-27 2007-04-05 Autefa Automation Gmbh Zuführverfahren und zuführeinrichtung für vorlagespulen
ITMI20121517A1 (it) * 2012-09-14 2014-03-15 Salmoiraghi S P A Dispositivo automotore su monorotaia aerea perfezionato per la movimentazione verticale di carrelli in particolare per trasportare bobine di filato o similari

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0448530A2 (de) * 1990-03-20 1991-09-25 GUALCHIERANI SYSTEM s.a.s. di Sergio Gualchierani & C. Mittel zum Zuführen voller Spulen und zum Entfernen leerer Hülsen von einer kontinuierlich arbeitenden Spinnmaschine
DE19621151A1 (de) * 1995-05-16 1996-11-21 Salmoiraghi Srl Vorrichtung zum Transportieren von Garnspulen
DE19620265A1 (de) * 1995-05-22 1996-11-28 Salmoiraghi Srl Vorrichtung zum Entfernen von Garnspulen aus einer Sammelstation
FR2742167A1 (fr) * 1995-12-11 1997-06-13 Icbt Valence Procede de cavage d'une machine textile, retordeuse notamment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0448530A2 (de) * 1990-03-20 1991-09-25 GUALCHIERANI SYSTEM s.a.s. di Sergio Gualchierani & C. Mittel zum Zuführen voller Spulen und zum Entfernen leerer Hülsen von einer kontinuierlich arbeitenden Spinnmaschine
DE19621151A1 (de) * 1995-05-16 1996-11-21 Salmoiraghi Srl Vorrichtung zum Transportieren von Garnspulen
DE19620265A1 (de) * 1995-05-22 1996-11-28 Salmoiraghi Srl Vorrichtung zum Entfernen von Garnspulen aus einer Sammelstation
FR2742167A1 (fr) * 1995-12-11 1997-06-13 Icbt Valence Procede de cavage d'une machine textile, retordeuse notamment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007036335A1 (de) * 2005-09-27 2007-04-05 Autefa Automation Gmbh Zuführverfahren und zuführeinrichtung für vorlagespulen
ITMI20121517A1 (it) * 2012-09-14 2014-03-15 Salmoiraghi S P A Dispositivo automotore su monorotaia aerea perfezionato per la movimentazione verticale di carrelli in particolare per trasportare bobine di filato o similari
WO2014041475A1 (en) * 2012-09-14 2014-03-20 Salmoiraghi S.P.A. Improved self-propelled device on overhead monorail for the vertical movement of carriages in particular for transporting yarn bobbins or the like

Also Published As

Publication number Publication date
ATE256209T1 (de) 2003-12-15
DE60101397D1 (de) 2004-01-22
EP1130141B1 (de) 2003-12-10
EP1130141A8 (de) 2001-11-28
ITRE20000012A1 (it) 2001-08-25
IT1318324B1 (it) 2003-08-25

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