EP1712508B1 - Device for the automatic doffing of bobbins in a crosswinding machine - Google Patents
Device for the automatic doffing of bobbins in a crosswinding machine Download PDFInfo
- Publication number
- EP1712508B1 EP1712508B1 EP06111731A EP06111731A EP1712508B1 EP 1712508 B1 EP1712508 B1 EP 1712508B1 EP 06111731 A EP06111731 A EP 06111731A EP 06111731 A EP06111731 A EP 06111731A EP 1712508 B1 EP1712508 B1 EP 1712508B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bobbin
- rolling chute
- rolling
- bobbins
- conveyor belt
- 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
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 49
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- 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
- B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
- B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
- B65H67/0411—Arrangements for removing completed take-up packages or for loading an empty core for removing completed take-up packages
-
- 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 device for the automatic doffing of bobbins in a crosswinding machine and for the substitution of a bobbin which has reached the pre-established dimensions, with a new tube around which the yarn coming from a feeding pirn is wound to form a new bobbin.
- crosswinding procedures essentially consist of unwinding operations of the yarn from feeding pirns, cleaning the yarn from possible faults and its crosswinding onto tubes, according to forms and dimensions which vary according to the destination of the yarn.
- the bobbins are normally cylindrical, or truncated-conical with a low conicity, if, on the contrary, the yarn is destined for feeding low-speed machines, the bobbins are truncated-conical with a higher conicity.
- the degree of conicity is selected so as to always ensure a correct unwinding of the bobbins during their final use, in the presence of more or less strong centrifugal forces.
- a crosswinding machine allows the contemporaneous crosswinding of a series of bobbins, i.e. it normally comprises a series of devices for the formation of bobbins, so-called crosswinding heads, positioned side by side, and served by at least one common service device, also called trolley, which can run along the whole crosswinding machine, positioning itself in correspondence with each crosswinding head and which effects, in an automated manner, various operations which are cyclically required by each crosswinding head, among which, in particular, the substitution of bobbins which have reached the pre-established dimensions with a new winding tube around which a new bobbin is formed.
- the doffing operation of a bobbin and its substitution envisages stopping the crosswinding head, cutting the yarn and withholding its end coming from the pirn, removing the bobbin which has reached the pre-established dimensions and substituting it with a new tube to which the yarn end coming from the pirn is fastened to restart the crosswinding.
- the removed bobbin is sent to a conveyor belt which runs along the crosswinding machine, to receive the completed bobbins coming from the various crosswinding heads.
- Doffing operations of a bobbin require the intervention of the common service device which, in cooperation with the devices already positioned on the crosswinding head, recovers the yarn end coming from the pirn, removes the completed bobbin, positions the new winding tube and arranges the yarn end on the new winding tube.
- the transfer of the bobbin to the conveyor belt is conveniently effected by rolling the bobbin along a tilted surface situated between the formation position of the bobbin and the position of the conveyor belt.
- a tilted surface situated between the formation position of the bobbin and the position of the conveyor belt.
- the rolling is facilitated by dividing the course of the bobbin towards the conveyor belt into several parts, with intermediate stops which prevent the bobbin from gaining speed while rolling and at the same time allowing its position to be adjusted.
- the division of the bobbin course is obtained by means of levers which can rotate around a rotation axis, between a position in which they intercept the bobbin along its run and a position in which they are lifted and let the bobbin pass. The levers can also be rotated so as to push the bobbin.
- a pertinent prior art reference is constituted by DE 19520132 A1 that discloses a rolling chute divided in two parts, a swinging plate 20 and a fixed chute 55, the swinging plate 20 being driven by an arm 38.
- the bobbin guide 41 has stopping means for the rolling bobbins on the chute 20 constituted by a guide arm 43 and a housing arm 42, that are independent fro:n the arm 38.
- DE 3842783 A1 is relevant to double twisting machines and discloses only a fixed cover plate 9 sloping downwards a conveyor belt 2 in the centre of the frame.
- GB patent 1443642 is relevant to a doffing device, travelling in front of the winding frame, that discharges and transports away the take-up bobbins.
- An objective of the present invention is therefore to ensure the correct rolling of the bobbin towards the conveyor belt, by proposing means capable of forming a series of stop and start points of the bobbin in its rolling, and reducing the number of necessary driving elements.
- a further objective of the present invention is to guarantee a greater productivity of the crosswinding machine through a greater operating factor.
- these show in particular a bobbin 1, a supporting arm of the bobbin, commonly called bobbin-holder arm 2, a driving and traversing cylinder 3 (which collaborates with the formation of the bobbin and whose presence and function have nothing to do with the specific object of the present invention), a conveyor belt 4 and a rolling chute 5, for allowing the bobbin 1 to roll by gravity from its formation position, on the bobbin-holder arm 2, to the conveyor belt 4.
- figure 1 a yarn (not shown), which is unwound from a pirn (not shown) and after passing through a series of devices whose function is to eliminate faults of the yarn itself, is wound around the bobbin 1.
- the yarn coming from the pirn is cut and the rotation of the bobbin 1 is interrupted.
- the bobbin-holder arm 2 is induced to release the bobbin 1, which falls onto the rolling chute 5 and is stopped by a stopping element 6, integral with the structure of the crosswinding head, which crosses the surface of the rolling chute 5 in correspondence with an opening 12.
- the constraint between the stopping element 6 and the structure of the crosswinding head can conveniently have a certain degree of elasticity, for example by supporting the stopping element 6 with an elastic lamella 13.
- the bobbin-holder arm 2 is lifted and, during its movement, engages the lower surface of the rolling chute 5, by exerting upward pressure on the same, with a counter-edge element 7.
- the rolling chute 5 is hinged on a rotation pin 8, integral with the structure of the crosswinding head, positioned under the rolling chute 5 in a shifted position towards the conveyor belt 4 with respect to the contact point between the rolling chute 5 and the counter-edge element 7 integral with the bobbin-holder arm 2.
- the pressure exerted by the counter-edge element 7 on the rolling chute 5 therefore causes a rotation of the rolling chute around the rotation pin 8, causing a difference in level between the two ends of the rolling chute 5 itself.
- the lifting of the portion of the rolling chute 5 on which the bobbin 1 is situated is such as to exceed the height of the stopping element 6, the bobbin 1 is released and, by force of gravity, begins rolling along the rolling chute 5, in the direction of the conveyor belt 4.
- the end of the rolling chute 5 facing the conveyor belt 4, consists of a flap 9, hinged around a hinge 10 and resting on a supporting counter-edge 11.
- a flap 9 hinged around a hinge 10 and resting on a supporting counter-edge 11.
- the bobbin-holder arm 2 is returned to its original position. Consequently, the rolling chute 5 also returns to its original position and the flap 9 rotates around the hinge 10 until it has formed an aligned position with the rolling chute 5.
- the position of the flap 9 is determined by the supporting counter-edge 11, which prevents the rotation of the flap 9 around the hinge 10 from continuing beyond the alignment position with the conveyor belt 4.
- the very weight of the portion of rolling chute 5 facing the formation position of the bobbin 1 is such that, without the pressure exerted by the counter-edge element 7 of the bobbin-holder arm 2, the rolling chute 5 automatically returns to its original position, also in the presence of the bobbin 1 on the end of its portion facing the conveyor belt.
- means can be provided for facilitating the return of the rolling chute 5 to its original position.
- the portion of rolling chute 5 facing the conveyor belt 4 is preferably slightly tilted towards the conveyor belt with respect to the remaining part, forming a slight difference in level which helps the rolling of the bobbin 1 towards the conveyor belt 4.
- the bobbin 1 begins to roll from a stop position and as the remaining distance to be covered by the bobbin 1 with said rolling movement, is short, the bobbin 1 is prevented from accelerating and gaining an undesired speed; the bobbin 1, on the contrary, is delicately positioned on the conveyor belt 4.
- the rolling chute 5 can be equipped with one or more raised side edges (not shown), in particular on the side of the rolling chute 5 towards which the conicity of the bobbin is facing.
- This expedient already used also for devices produced according to the known art, helps to prevent the bobbins from effecting a curvilinear trajectory during their rolling, which would induce them to be in a transversal position with respect to the direction towards the conveyor belt.
Landscapes
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
- The present invention relates to a device for the automatic doffing of bobbins in a crosswinding machine and for the substitution of a bobbin which has reached the pre-established dimensions, with a new tube around which the yarn coming from a feeding pirn is wound to form a new bobbin.
- As is known, crosswinding procedures essentially consist of unwinding operations of the yarn from feeding pirns, cleaning the yarn from possible faults and its crosswinding onto tubes, according to forms and dimensions which vary according to the destination of the yarn. If the yarn is destined for feeding highspeed machines, the bobbins are normally cylindrical, or truncated-conical with a low conicity, if, on the contrary, the yarn is destined for feeding low-speed machines, the bobbins are truncated-conical with a higher conicity. The degree of conicity is selected so as to always ensure a correct unwinding of the bobbins during their final use, in the presence of more or less strong centrifugal forces.
- A crosswinding machine allows the contemporaneous crosswinding of a series of bobbins, i.e. it normally comprises a series of devices for the formation of bobbins, so-called crosswinding heads, positioned side by side, and served by at least one common service device, also called trolley, which can run along the whole crosswinding machine, positioning itself in correspondence with each crosswinding head and which effects, in an automated manner, various operations which are cyclically required by each crosswinding head, among which, in particular, the substitution of bobbins which have reached the pre-established dimensions with a new winding tube around which a new bobbin is formed.
- In particular, the doffing operation of a bobbin and its substitution envisages stopping the crosswinding head, cutting the yarn and withholding its end coming from the pirn, removing the bobbin which has reached the pre-established dimensions and substituting it with a new tube to which the yarn end coming from the pirn is fastened to restart the crosswinding. The removed bobbin is sent to a conveyor belt which runs along the crosswinding machine, to receive the completed bobbins coming from the various crosswinding heads.
- Doffing operations of a bobbin require the intervention of the common service device which, in cooperation with the devices already positioned on the crosswinding head, recovers the yarn end coming from the pirn, removes the completed bobbin, positions the new winding tube and arranges the yarn end on the new winding tube.
- The transfer of the bobbin to the conveyor belt is conveniently effected by rolling the bobbin along a tilted surface situated between the formation position of the bobbin and the position of the conveyor belt. In relation to the higher or lower conicity and dimension of the bobbin to be doffed and transferred to the conveyor belt, particular attention should therefore be paid to ensure that the rolling of the bobbins is effected without the risk of going the wrong way or stopping along the course of the conveyor belt, and that the bobbins themselves are deposited on the conveyor belt without any form of impact.
- According to the known art, in particular with reference to European patents
EP282105 EP285186 - The above solution is extremely effective but it depends on a series of moving organs, each equipped with specific driving means, with the consequent necessity of frequent repair and maintenance stoppages of the moving parts.
- A pertinent prior art reference is constituted by
DE 19520132 A1 that discloses a rolling chute divided in two parts, a swinging plate 20 and a fixed chute 55, the swinging plate 20 being driven by an arm 38. The bobbin guide 41 has stopping means for the rolling bobbins on the chute 20 constituted by a guide arm 43 and a housing arm 42, that are independent fro:n the arm 38. -
DE 3842783 A1 is relevant to double twisting machines and discloses only afixed cover plate 9 sloping downwards aconveyor belt 2 in the centre of the frame.
GB patent 1443642 - An objective of the present invention is therefore to ensure the correct rolling of the bobbin towards the conveyor belt, by proposing means capable of forming a series of stop and start points of the bobbin in its rolling, and reducing the number of necessary driving elements.
- A further objective of the present invention is to guarantee a greater productivity of the crosswinding machine through a greater operating factor.
- These objectives according to the present invention are achieved by providing a device for the automatic doffing of bobbins in a crosswinding machine as specified in
claim 1. - Further characteristics of the device according to the invention are indicated in the subsequent dependent claims.
- The present invention is now described, for illustrative and non-limiting purposes, according to one of its preferred embodiments, with particular reference to
figures 1-5 of the enclosed drawings which schematically show some of the devices of a crosswinding head during a succession of operating phases. - With reference to the figures, these show in particular a
bobbin 1, a supporting arm of the bobbin, commonly called bobbin-holder arm 2, a driving and traversing cylinder 3 (which collaborates with the formation of the bobbin and whose presence and function have nothing to do with the specific object of the present invention), aconveyor belt 4 and arolling chute 5, for allowing thebobbin 1 to roll by gravity from its formation position, on the bobbin-holder arm 2, to theconveyor belt 4. - Under operating conditions,
figure 1 , a yarn (not shown), which is unwound from a pirn (not shown) and after passing through a series of devices whose function is to eliminate faults of the yarn itself, is wound around thebobbin 1. - In correspondence with the detection of the formation of the pre-established dimensions of the
bobbin 1, or, in any case, in correspondence with a command for changing thebobbin 1,figure 2 , the yarn coming from the pirn is cut and the rotation of thebobbin 1 is interrupted. The bobbin-holder arm 2 is induced to release thebobbin 1, which falls onto therolling chute 5 and is stopped by a stoppingelement 6, integral with the structure of the crosswinding head, which crosses the surface of therolling chute 5 in correspondence with anopening 12. In order to prevent the contact between thebobbin 1 and thestopping element 6 from being too brusque, the constraint between thestopping element 6 and the structure of the crosswinding head can conveniently have a certain degree of elasticity, for example by supporting the stoppingelement 6 with anelastic lamella 13. - The bobbin-
holder arm 2 is lifted and, during its movement, engages the lower surface of therolling chute 5, by exerting upward pressure on the same, with acounter-edge element 7. - With reference to
figure 3 , therolling chute 5 is hinged on arotation pin 8, integral with the structure of the crosswinding head, positioned under therolling chute 5 in a shifted position towards theconveyor belt 4 with respect to the contact point between therolling chute 5 and thecounter-edge element 7 integral with the bobbin-holder arm 2. The pressure exerted by thecounter-edge element 7 on therolling chute 5 therefore causes a rotation of the rolling chute around therotation pin 8, causing a difference in level between the two ends of therolling chute 5 itself. When the lifting of the portion of therolling chute 5 on which thebobbin 1 is situated is such as to exceed the height of thestopping element 6, thebobbin 1 is released and, by force of gravity, begins rolling along therolling chute 5, in the direction of theconveyor belt 4. - The end of the
rolling chute 5 facing theconveyor belt 4, consists of aflap 9, hinged around ahinge 10 and resting on a supportingcounter-edge 11. As a result of the rotation of therolling chute 5 around therotation pin 8, its end containing theflap 9 is lowered, the supportingcounter-edge 11 forcing theflap 9 to rotate around thehinge 10, forming an angled position with respect to therolling chute 5. With particular reference tofigure 4 , this shows how theflap 9 thus forms an obstacle for the movement of thebobbin 1 and between theflap 9 itself and therolling chute 5, a V-shaped housing and alignment seat is formed for thebobbin 1. - Subsequently, with reference to
figure 5 , the bobbin-holder arm 2 is returned to its original position. Consequently, therolling chute 5 also returns to its original position and theflap 9 rotates around thehinge 10 until it has formed an aligned position with therolling chute 5. In particular, the position of theflap 9 is determined by the supportingcounter-edge 11, which prevents the rotation of theflap 9 around thehinge 10 from continuing beyond the alignment position with theconveyor belt 4. - In particular, the very weight of the portion of
rolling chute 5 facing the formation position of thebobbin 1 is such that, without the pressure exerted by thecounter-edge element 7 of the bobbin-holder arm 2, therolling chute 5 automatically returns to its original position, also in the presence of thebobbin 1 on the end of its portion facing the conveyor belt. As an alternative or in addition to this expedient, means can be provided for facilitating the return of therolling chute 5 to its original position. - The portion of
rolling chute 5 facing theconveyor belt 4 is preferably slightly tilted towards the conveyor belt with respect to the remaining part, forming a slight difference in level which helps the rolling of thebobbin 1 towards theconveyor belt 4. In particular, as thebobbin 1 begins to roll from a stop position and as the remaining distance to be covered by thebobbin 1 with said rolling movement, is short, thebobbin 1 is prevented from accelerating and gaining an undesired speed; thebobbin 1, on the contrary, is delicately positioned on theconveyor belt 4. - In order to optimize the use of the device, object of the present invention, with bobbins of the conical type, the
rolling chute 5 can be equipped with one or more raised side edges (not shown), in particular on the side of therolling chute 5 towards which the conicity of the bobbin is facing. This expedient, already used also for devices produced according to the known art, helps to prevent the bobbins from effecting a curvilinear trajectory during their rolling, which would induce them to be in a transversal position with respect to the direction towards the conveyor belt. - It is evident how, through the solution proposed, the control of the movement rate of the
bobbin 1 towards theconveyor belt 4 is entrusted to a single mechanism already equipped with its single drive, thus achieving the pre-established objectives. - The present invention is described, for illustrative and non-limiting purposes, according to its preferred embodiments, however, variations and/or modifications can obviously be applied by experts in the field, included in the protection scope, as defined in the enclosed claims.
Claims (4)
- A device for the automatic: doffing of bobbins (1) in a crosswinding machine, of the type comprising a rolling chute (5) on which the bobbin (1) is free to roll towards a conveyor belt (4), said rolling chute (5) being hinged around a rotation pin (8), around which it can rotate varying the level difference between its ends, characterized in that a flap (9) being hinged to the end of said rolling chute (5) facing the conveyor belt (4), whose portion facing the conveyor belt (4) slides on a fixed supporting counter-edge (11), and further
characterized in that the raising of the end of the rolling chute (5) facing the formation position of the bobbin (1) leads to a lowering of its opposite end and the end of the flap (9) hinged thereto, said flap (9) being forced to rotate around the hinge (10) by the constraint consisting of saic supporting counter-edge (11), forming an angled position with respect to the rolling chute (5) and together with this forming a depression, in correspondence with the hinge (10). - The device for the automatic doffing of bobbins in a crosswinding machine according to claim 1, characterized in that the raising of the end of the rolling chute (5) facing the formation position of the bobbin (1) is caused by the direct action of a counter-edge element (7) integral with the bobbin-holder arm (2) .
- The device for the automatic doffing of bobbins in a crosswinding machine according to claim 1, characterized in that the return of the end of the rolling chute (5) facing the formation position of the bobbin (1) to the position it occupies during the bobbin formation phases, is caused by the difference in weight between the portions cf the rolling chute (5) opposing the rotation pin (8), or by the direct action of a counter-edge element (not shown) integral with the bobbin-holder arm (2) or by recalling means.
- The device for the automatic doffing of bobbins in a crosswinding machine according to claim 1, characterized in that it comprises a stopping element (6), integral with the structure of the crosswinding head, which, when the end of the rolling chute (5) facing the formation position of the bobbin (1) is not sufficiently raised, crosses the surface of the rolling chute (5) in correspondence with an opening.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000630A ITMI20050630A1 (en) | 2005-04-13 | 2005-04-13 | PROVIDED FOR AUTOMATIC ROCKS IN A ROCKER |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1712508A1 EP1712508A1 (en) | 2006-10-18 |
EP1712508B1 true EP1712508B1 (en) | 2008-06-18 |
Family
ID=36687966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06111731A Not-in-force EP1712508B1 (en) | 2005-04-13 | 2006-03-27 | Device for the automatic doffing of bobbins in a crosswinding machine |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060230737A1 (en) |
EP (1) | EP1712508B1 (en) |
CN (1) | CN100560460C (en) |
AT (1) | ATE398596T1 (en) |
DE (1) | DE602006001481D1 (en) |
IT (1) | ITMI20050630A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011105431A (en) * | 2009-11-16 | 2011-06-02 | Murata Machinery Ltd | Winding machine |
DE102013018985A1 (en) | 2013-11-13 | 2015-05-13 | Saurer Germany Gmbh & Co. Kg | Method for carrying out a cross-bobbin change at a workstation of a textile machine producing cross-wound bobbins as well as textile machines producing cross-wound bobbins. |
CN107352325A (en) * | 2017-08-03 | 2017-11-17 | 上海海石花纺织机械设备有限公司 | Cylinder yarn unloads yarn and buffers laborsaving slideway mechanism |
CN109179083B (en) * | 2018-09-28 | 2023-08-04 | 陕西华燕航空仪表有限公司 | Yarn roll rolling-out device |
CN112093583B (en) * | 2020-09-24 | 2022-09-20 | 陕西华燕航空仪表有限公司 | Spinning bobbin positioning device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3879925A (en) * | 1973-12-05 | 1975-04-29 | Toyoda Automatic Loom Works | Rotary doffer in automatic doffing apparatus |
DE2506362C2 (en) * | 1975-02-14 | 1992-01-02 | Stahlecker, Fritz, 7347 Bad Überkingen | Open-end spinning machine |
IT1100423B (en) * | 1978-11-29 | 1985-09-28 | Alberto Pietro | AUTOMATIC MACHINE FOR THE CONTINUOUS REALIZATION OF FABRIC ROLLS |
IT1197301B (en) * | 1986-09-29 | 1988-11-30 | Savio Spa | Yarn winder donning appts. |
IT1202589B (en) * | 1987-02-27 | 1989-02-09 | Savio Spa | DEVICE AND PROCEDURE FOR THE AUTROMATIC REMOVAL OF THE SPOOLS IN A WINDING MACHINE |
DE3842783C2 (en) * | 1988-12-20 | 1993-10-14 | Saurer Allma Gmbh | Upward twisting machine, especially double wire twisting machine |
US5459990A (en) * | 1993-10-14 | 1995-10-24 | Tns Mills, Inc. | Facility and method for producing yarn |
DE19520132A1 (en) * | 1995-06-01 | 1996-12-05 | Schlafhorst & Co W | Cross wound bobbin doffer |
DE19608789A1 (en) * | 1996-03-07 | 1997-09-18 | Rieter Ingolstadt Spinnerei | Spinning machine with a sleeve magazine |
DE19750726A1 (en) * | 1997-11-15 | 1999-05-20 | Schlafhorst & Co W | Method for operating a textile machine producing cross-wound bobbins and device for such a textile machine |
-
2005
- 2005-04-13 IT IT000630A patent/ITMI20050630A1/en unknown
-
2006
- 2006-03-27 EP EP06111731A patent/EP1712508B1/en not_active Not-in-force
- 2006-03-27 AT AT06111731T patent/ATE398596T1/en not_active IP Right Cessation
- 2006-03-27 DE DE602006001481T patent/DE602006001481D1/en not_active Expired - Fee Related
- 2006-03-27 US US11/389,814 patent/US20060230737A1/en not_active Abandoned
- 2006-04-13 CN CNB2006100736326A patent/CN100560460C/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20060230737A1 (en) | 2006-10-19 |
ATE398596T1 (en) | 2008-07-15 |
EP1712508A1 (en) | 2006-10-18 |
ITMI20050630A1 (en) | 2006-10-14 |
CN100560460C (en) | 2009-11-18 |
DE602006001481D1 (en) | 2008-07-31 |
CN1847129A (en) | 2006-10-18 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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