EP3149229A1 - Spinning preparation machine - Google Patents
Spinning preparation machineInfo
- Publication number
- EP3149229A1 EP3149229A1 EP15725871.6A EP15725871A EP3149229A1 EP 3149229 A1 EP3149229 A1 EP 3149229A1 EP 15725871 A EP15725871 A EP 15725871A EP 3149229 A1 EP3149229 A1 EP 3149229A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- preparation machine
- spinning preparation
- sleeve
- solidifying agent
- roving
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
Definitions
- the present invention relates to a spinning preparation machine having at least one solidifying agent for producing a protective rotation roving from a fiber dressing supplied to the solidifying agent, with a drafting device upstream of the consolidating agent in a running direction of the roving for stretching the fiber composite before entering it into the solidifying agent, with a Solidifying agent in the said direction downstream winding device for winding the roving on a sleeve, and arranged in the region of the winding device and movably mounted traversing element for guiding the roving during winding onto the sleeve.
- the given protective rotation must on the one hand be so strong that a cohesion of the individual fibers is ensured during the individual winding or unwinding operations as well as corresponding transport processes between the respective machine types. On the other hand, it must be ensured despite the protective rotation that the roving can be further processed in a spinning machine - the roving must therefore continue to be delayable.
- flyers were used in the past, but their delivery speed due to occurring Centrifugal forces is limited. Therefore, there were already many suggestions to bypass the flyer or replace it with an alternative machine type.
- the solidification of the unconsolidated fiber structure described therein is effected by means of a solidifying agent, which causes no rotation, but a spiral looping of a sliver by one or more filament yarns, preferably monofilament Filamentgar- ne, which hold the fiber structure and give it its strength.
- the spirals of the individual filament yarns can be arranged in the same direction or in opposite directions. Preference is given to two filament yarns, which are arranged in opposite directions or cross over.
- the roving produced in this way is thus essentially composed of a sliver of parallelized staple fibers and one or more fine-denier filament yarns spirally wound around the sliver.
- the filament yarn can be applied to small, small diameter coils.
- the filament yarn is then pulled off the stationary bobbin and pulled through the bobbin axis together with the fiber bundle, the filament yarn being wound around the fiber web and the number of wraps withdrawn from the bobbin corresponding to the number of turns applied to the fiber web.
- the binding point should be determined by a suitable thread guide.
- WO 2009/086646 A1 Another method of producing roving is described in WO 2009/086646 A1, the method comprising the following steps: 1) providing a fiber composite in the form of two, preferably untwisted, fiber ribbons, 2) imparting S and Z rotations over alternating ones Areas of the two fiber ribbons, wherein portions of S and Z rotations on the respective sliver are separated by non-rotating portions; 3) merging the two slits provided with S and Z turns into a roving, the two slivers due to automatically reverse their tendency to reverse.
- the S and Z rotations can z.
- the fiber sliver by means of two elements of the solidifying agent used, which hold the respective sliver clamping, wherein at least one element, preferably both elements, the fiber sliver by a relative movement on its surface transverse to the sliver longitudinal direction on both sides alternately opposite rotations To give.
- the respective sliver is moved in sliver direction.
- the S and Z rotations can also be generated by means of an aerodynamic, in particular pneumatic, process.
- the alternating S and Z turns are also interrupted by changing areas without rotation.
- the two slivers provided in the same way with S and Z turns are finally brought together in the so-called merging point.
- the slivers begin to spin automatically, ie they wrap around each other. This so-called fraen maintains the S and Z rotations in the individual slivers, so that a self-stabilizing two-component roving arises.
- the regions without rotation in the first sliver should be offset longitudinally from the regions without rotation in the second sliver such that there are never two regions without rotation of the first and second slivers in the resulting sliver Roving next to each other, since the strength of the roving depends significantly on the phase position of the areas without rotation of the two slivers.
- the rovings are therefore, as described above, always brought together with the aid of the solidifying agent so that their areas are out of phase without rotation.
- the roving produced in this way finally has a higher strength compared to a non-twisted fiber composite, which is ultimately sufficient to wind the roving without misalignments on a spool and unwind from this again.
- Object of the present invention is therefore to propose a spinning preparation machine, which differs in this regard in a positive manner from the prior art.
- the spinning preparation machine is characterized in that the solidifying agent, which is preferably designed as an air spinning nozzle and operates according to the above-mentioned air spinning process, is arranged in a vertical direction between at least one input roller of the drafting system and the traverse element mounted in the vertical direction below in a side view of the spinning preparation machine ,
- the solidifying agent is thus placed in the side view between said input roller, preferably between all rollers of the drafting system, and the traversing element (wherein the traversing element is formed, the roving in an iridescent reciprocating motion, or an up and down movement during winding on to guide a sleeve).
- the input roller and the traversing element are arranged in the said side view on the same side of the solidifying agent.
- the roving learns here during operation of the spinning preparation machine after exiting the solidifying agent and before winding on the sleeve, a change in direction.
- the solidifying agent may be placed in a frontally accessible front area of a spinning preparation machine workstation (where the workstation comprises at least one drafting device, a solidifying means, a traversing element, and a winding device), while the drafting roller's input roller and the traversing element are positioned behind the solidifying means as viewed from the front are.
- the job requires in this case a relatively small footprint, since the said elements of the job are arranged one above the other.
- the spinning preparation machine comprises a plurality of workstations arranged next to one another, for example, then it is advantageous if all workstations are designed in accordance with the previous and following description.
- the said solidifying agent can be designed differently.
- the solidifying agent is suitable for producing the roving in the manner described in the above-mentioned publications WO 2009/086646 A1 and DE 24 47 715 A1.
- the spinning preparation machine is formed as an air spinning machine and the solidifying agent as an air spinning nozzle, by the protective rotation of the roving, as described above, is generated by means of vortex air flows (a section of a corresponding, designed as an air spinning machine, spinning preparation machine is described by way of example in the figure description).
- the spinning preparation machine has a take-off roller pair downstream of the solidifying agent in the mentioned running direction.
- the take-off roller pair comprises two take-off rolls, of which at least one can be set into rotary motion by means of a drive.
- the roving is guided by clamping between the two adjacently arranged and rotating take-off rolls and actively removed from the solidifying agent by the rotary movement of the take-off rolls. drawn. It is advantageous in this context, when the pair of take-off rollers is arranged in the above-mentioned side view of the spinning preparation machine in the vertical direction between at least the input roller of the drafting system and the same in the vertical direction below the traversing oscillating element.
- Said input roller and the traversing element are preferably arranged in the side view on the same side of the pair of withdrawal rollers, wherein the roving undergoes a change in direction during operation of the spinning preparation machine, which can be effected by the take-off roller pair.
- the change in direction is possible in that the roving is wound after passing through the take-off rolls of a winding device, which is located in the horizontal direction on the same side as the drafting system.
- the solidifying agent, the drafting and the traversing element in a front view of the job at least partially behind the pair of withdrawal rollers (or a take-off roller thereof) are arranged. In this case, the take-off roller pair is quickly and easily accessible from the front in order to be able to remove any existing fiber wraps.
- the spinning preparation machine comprises a sleeve transfer device which serves to transfer sleeves from a tube transporting device to the winding device and / or vice versa.
- the sleeve transfer device may comprise, for example, a tube gripper, which is connected to a control of the spinning preparation machine and which is designed to move a spooled sleeve from the winding device onto a transport path and an empty tube from a transport path into or onto the winding device, preferably to lift.
- the traversing element is arranged in said side view in the horizontal direction between the solidifying agent and the sleeve transfer device.
- the solidifying agent should be in a front accessible front area, it has been found useful to place the sleeve transfer device on a side of the work site away from the front area, preferably in the rear thereof, so that the coated tubes are "backward" (FIG. that is, in a direction away from the solidifying agent), where they can be transferred to a conveyor belt of a tube transporting device and transported to a predetermined location. It is also extremely advantageous if the winding device comprises at least one sleeve receptacle for, for example, non-positive and / or positive locking of one or more sleeves.
- the sleeve receptacle which is designed, for example, as a rotatable platform, is preferably arranged in the aforementioned side view in the horizontal direction between the sleeve transfer device and the traversing element.
- the roving is wound in this case on one side of the sleeve, wherein the sleeve transfer device is preferably located on a side facing away from this side second side of the sleeve receptacle. It may also be advantageous if the sleeve receptacle is arranged between the tube transfer device and the solidification agent and / or between the tube transfer device and the take-off roller pair.
- the sleeve receptacle of the winding device and / or the tube transfer device are arranged in the mentioned side view below the solidifying agent.
- the solidifying agent is in this case in an easily accessible position by an operator, wherein the drafting or individual drafting rollers thereof may be arranged above the solidifying agent in order to make them easily accessible.
- the roving between the solidifying agent and the traversing element or the winding device should at least partially downward or obliquely downward to the forces acting on the roving forces in this section and thus the risk of tearing the roving as low as possible hold.
- the sleeve receptacle, the traversing element, the solidification means and preferably also the named input roller of the drafting system are arranged on the same side of the sleeve transfer device in the aforementioned side view.
- the sleeve transfer device may, for example, be located on the side of the traversing element facing away from the solidifying agent and may be arranged in the region of a rear side of the corresponding workstation of the spinning preparation machine, with the rear side facing the front of the spinning preparation machine located in the region of the solidifying means. It is advantageous if the drafting in a transport direction thereof a guide for guiding the fiber composite is arranged upstream.
- the guide for the fiber structure preferably comprises a rail on which rests the fiber structure and thus receives a support in the vertical direction.
- the rail preferably comprises a rail on which rests the fiber structure and thus receives a support in the vertical direction.
- the feed and discharge sections preferably each form an end section of the guide, wherein the feed section should be arranged in the region of a container (in particular above the container) and the delivery section in the vicinity of the drafting device.
- the discharge section should be located in the immediate vicinity of an input roller of the drafting system in order to allow the most seamless possible transition between the guide and the drafting system.
- the feed section is placed higher than the delivery section, so that the guide forms a chute for the fiber structure.
- the tube transporting device comprises at least one transport path (eg in the form of a conveyor belt) for the transport of empty and / or roving-spun pods, wherein the transport path (s) at least partially between in a plan view of the spinning preparation machine the Zuurerab- cut the guide for the fiber structure and the drafting are arranged.
- transport path eg in the form of a conveyor belt
- the transport path (s) of the tube transporting device which is fixed, for example, on an indoor floor of the hall receiving the spinning preparation machine, may, for example, comprise a plurality of tube holders which serve to receive empty or coated tubes with the aid of the spinning preparation machine.
- the sleeve holders are movable, for example, by movement of the transport path (s) between the spinning preparation machine and one or more collection stations for the empty or insufflated sleeves, so that the spinning preparation machine can always be supplied with empty tubes and the spooled tubes can be transported away from the spinning preparation machine.
- the pods mentioned are in the plan view of the spinning preparation machine with the help of the transport path (s) between the feed section and the drafting system, so that the existing between feed section and drafting system is advantageously used for the partial housing of the transport path (s).
- the drafting device, the winding device, the sleeve transfer device and the guide are arranged at least partially behind the solidifying agent in a front view of the spinning preparation machine.
- this is easily accessible from the front. Residual fibers present in the solidifying agent can easily be removed from the solidifying agent following an unwanted interruption of the roving production.
- said transport path (s) run or extend in the mentioned front view behind the solidifying means, the winding device and the sleeve transfer device, so that they are or are accessible from the rear.
- the traversing element, the winding device and the sleeve transfer device have at least one common horizontal cutting plane.
- the said elements are therefore preferably placed next to each other and can be fixed on a common platform.
- said input roller of the drafting system and the solidification agent have a common cutting plane which intersects in said side view on the side facing away from the winding device of the solidifying agent with the cutting plane mentioned in the previous paragraph.
- the transport direction of the drafting system is in this case directed obliquely downwards in the direction of the front side of the spinning preparation machine.
- the above-mentioned sectional planes enclose an angle ⁇ whose magnitude lies between 85 ° and 20 °, preferably between 80 ° and 30 °.
- the transport direction of the drafting system is in this case down inclined, so that the roving is delivered obliquely downwards relative to the drafting device to the solidifying agent.
- FIG. 1 shows a side view of a spinning preparation machine according to the invention
- Figure 2 is a plan view of a spinning preparation machine according to the invention.
- Figure 1 shows a schematic side view of an inventive, standing on a hall floor 20, spinning preparation machine 1 in the form of an air spinning machine, which is used to produce roving 3.
- the spinning preparation machine 1 preferably comprises a drafting device 5 with a plurality of corresponding drafting rollers (only one of the two arranged in the entrance of the drafting 5 input rollers 9 is provided with a reference numeral), which is supplied with a fiber structure 4, for example in the form of a relined tape.
- the fiber structure 4 originates from a container 14 (for example a spinning can) and can be fed to the drafting device 5 via a guide 16, preferably after passing through a guide roller 21, the guide 16 being designed, for example, as an elongate profile can be.
- the guide 16 comprises a feed section 13 adjacent to the container 14, a dispensing section 19 adjacent to the drafting device 5 and a guide section 17 located therebetween in order to support the fiber structure 4 at least downwards.
- the spinning preparation machine 1 shown comprises a solidifying means in the form of an air-jet nozzle 2 spaced from the drafting unit 5 with an internal swirling chamber known from the prior art and therefore not shown and also likewise known and therefore likewise not shown in the vortex chamber projecting Garnsentelement in the form of a hollow spindle.
- the fiber structure 4 or at least part of the fibers of the fiber composite 4 is provided with a protective rotation by means of a vortex air flow generated in the vortex chamber by air nozzles.
- the air-spinning machine can moreover comprise a draw-off roller pair 15 for the roving 3 arranged downstream of the drafting device 5 in the transport direction T shown (the withdrawal unit is not absolutely necessary and, moreover, only shown in FIG.
- a winding device 6 which preferably serves to receive at least two sleeves 7 and by means of which the roving 3 can be wound on a sleeve 7, wherein the roving 3 in this case with the aid of a direction of the double arrow shown in Figure 1 and ago movable traversing element 8 is guided.
- the winding device 6 may in particular comprise a sleeve receptacle 12 rotatable by means of a drive (eg in the form of a platform), on which the sleeves 7 can be fixed by means of corresponding holding devices (not shown), the holding devices and thus also the respective ones Sleeves 7, preferably via separate drives, should be displaceable in a rotary motion.
- the spinning preparation machine 1 operates according to a special air spinning method.
- the fiber structure 4 is guided in the transport direction T via an inlet opening (not shown) into the swirl chamber of the air spinning nozzle 2.
- a protective rotation ie at least part of the fibers of the fiber composite 4 is detected by the vortex air flow, which is generated by appropriately placed spinning air channels.
- a part of the fibers is hereby pulled out of the fiber structure 4 at least a little bit and wound around the tip of the yarn formation element projecting into the vortex chamber.
- the fibers of the fiber composite 4 are withdrawn from the vortex chamber via an inlet opening of the yarn formation element and a withdrawal channel arranged inside the yarn formation element and adjoining the inlet opening.
- the free fiber ends are pulled on a spiral path in the direction of the inlet opening and loop as Umwindemaschinen around the central core fibers resulting in a roving 3 having the desired protection rotation.
- the roving 3 has by the only partial rotation of the fibers a delaying ability, the machine for the further processing of the roving 3 in a subsequent spinning machine, such as a ring spinning machine, is essential.
- a subsequent spinning machine such as a ring spinning machine
- conventional air-spinning devices impart to the fiber structure 4 such a strong rotation that the necessary distortion following the yarn production is no longer possible. This is also desirable in this case, since conventional air-spinning machines are designed to produce a finished yarn, which should usually be characterized by high strength.
- the roving 3 is wound on a sleeve 7 after leaving the air-jet nozzle 2 by means of the winding device 6. If the corresponding sleeve 7 is sufficiently spooled with roving 3, an exchange takes place through an empty sleeve 7, for which purpose the sleeve receptacle 12 is rotated about a preferably vertical axis of rotation until the empty sleeve 7 shown in FIG. 1 is in the position the bespulten sleeve 7 shown in Figure 1 and vice versa.
- a sleeve transfer device 0 is activated, which transfers the spooled sleeve 7 to a transport path 18 (for example in the form of a conveyor belt) a sleeve transport device 11, the sleeve 7 finally transported to a donor site, not shown.
- the corresponding transport path 18, of which several may be present, preferably comprises a plurality of sleeve holders 22, by means of which the sleeves 7 can be held during their transport.
- the sleeve transfer device 10 could of course also be dispensed with.
- the winding device 6 could also have only a holding device for a sleeve 7.
- the guide 16 shown does not have to be present forcibly, the fiber strand 4 in this case, for example, directly after leaving the container 14 (possibly with the interposition of a guide roller 21) is inserted into the drafting 5.
- the tube transport device 11 does not necessarily have to be present.
- the air-jet nozzle 2 is arranged in a side view of the spinning preparation machine 1 (which is preferably designed as an air-spinning machine) in the vertical direction between at least one inlet roller 9 of the drafting system 5 and the traversing element 8 mounted vertically below it. It is further provided that the input roller 9 and the traversing element 8 are arranged in the aforementioned side view on the same side of the air-jet nozzle 2, so that the roving 3 during operation of the spinning preparation machine 1 after exiting the air-jet nozzle 2 and before winding on the sleeve. 7 undergoes a change of direction.
- said input roller 9 of the drafting system 5 with the air spinneret 2 should have a common cutting plane which encloses an angle ⁇ with the horizontal, which is between 20 ° and 85 °, so that the transport direction of the drafting system 5 is inclined downwards.
- ⁇ an angle with the horizontal
- the running direction L of the roving 3 between the traversing element 8 and the air-spinning nozzle 2 (or the pair of take-off rollers 15) is directed downwards, at least in sections, so that the forces acting on the roving 3 in this area are especially small.
- the winding device 6, the tube transfer device 10 and the traversing element 8 can be placed next to one another and here below the air-jet nozzle 2 and the drafting device 5.
- a tube transporting device 11 with corresponding transport track (s) 18 is present, it is advantageous if these are arranged at least partially between the feed section 13 of the guide 16 and the drafting device 5 in a plan view of the spinning preparation machine 1 shown in FIG.
- the transport track (s) 18 should in this case be supported in the area of said hall floor 20 be so that they are located in the side view of the spinning preparation machine 1 shown in Figure 1 below the guide 16 or are.
- the transport path (s) 18 is / are arranged between the feed section 3 of the guide 16 or the container 14 and the delivery section 9 of the guide 16, the guide 16 being the transport path (s) 18 bridged like a bridge.
- the fiber structure 4 is in this case guided from behind over the transport path (s) 18 and finally arrives in the front area of the spinning preparation machine 1 into the drafting device 5 and finally into the airspinning nozzle 2.
- the winding device 6, the traversing element 8 and the sleeve transfer device 10 can be arranged laterally of the drafting device 5 and / or the air-jet nozzle 2. In this case, there is a particularly space-saving arrangement of the individual elements.
- the drafting device 5, the air-jet nozzle 2 and also the guide 16 should be placed above the winding device 6, the traversing element 8, the sleeve transfer device 10 and / or the transport path (s) 18 in order to utilize the clearance above the latter elements.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00798/14A CH709694A1 (en) | 2014-05-26 | 2014-05-26 | Spinning preparation machine for preparing a roving. |
PCT/IB2015/000646 WO2015181597A1 (en) | 2014-05-26 | 2015-05-07 | Spinning preparation machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3149229A1 true EP3149229A1 (en) | 2017-04-05 |
EP3149229B1 EP3149229B1 (en) | 2018-05-02 |
Family
ID=53274767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15725871.6A Not-in-force EP3149229B1 (en) | 2014-05-26 | 2015-05-07 | Spinning preparation machine |
Country Status (7)
Country | Link |
---|---|
US (1) | US10378126B2 (en) |
EP (1) | EP3149229B1 (en) |
JP (1) | JP6767882B2 (en) |
CN (1) | CN106460252B (en) |
CH (1) | CH709694A1 (en) |
TR (1) | TR201810343T4 (en) |
WO (1) | WO2015181597A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH709605A1 (en) * | 2014-05-08 | 2015-11-13 | Rieter Ag Maschf | A textile machine for the production of roving, as well as a corresponding method for operating the textile machine. |
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FR846593A (en) * | 1938-11-25 | 1939-09-20 | Device intended to give twist to the spinning preparation bits | |
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JPS5959925A (en) * | 1982-09-28 | 1984-04-05 | Toyoda Autom Loom Works Ltd | Ending in bind spinning device |
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CA2005018A1 (en) * | 1988-12-12 | 1990-06-12 | Elbert F. Morrison | Vacuum spinning of roving |
DE4113636A1 (en) * | 1991-04-26 | 1992-10-29 | Fritz Stahlecker | Air jet spinning units - have overhead sliver feed from card cans situated behind the frame |
DE4122463A1 (en) * | 1991-07-06 | 1993-01-07 | Stahlecker Fritz | SPIDER |
AT408668B (en) * | 1994-06-23 | 2002-02-25 | Rieter Ag Maschf | RING SPIDER AND RING SPIDER |
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-
2014
- 2014-05-26 CH CH00798/14A patent/CH709694A1/en not_active Application Discontinuation
-
2015
- 2015-05-07 US US15/313,430 patent/US10378126B2/en not_active Expired - Fee Related
- 2015-05-07 CN CN201580027734.1A patent/CN106460252B/en not_active Expired - Fee Related
- 2015-05-07 EP EP15725871.6A patent/EP3149229B1/en not_active Not-in-force
- 2015-05-07 JP JP2016569763A patent/JP6767882B2/en not_active Expired - Fee Related
- 2015-05-07 TR TR2018/10343T patent/TR201810343T4/en unknown
- 2015-05-07 WO PCT/IB2015/000646 patent/WO2015181597A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10378126B2 (en) | 2019-08-13 |
US20170096753A1 (en) | 2017-04-06 |
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JP6767882B2 (en) | 2020-10-14 |
EP3149229B1 (en) | 2018-05-02 |
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CN106460252B (en) | 2019-07-30 |
CH709694A1 (en) | 2015-11-30 |
CN106460252A (en) | 2017-02-22 |
TR201810343T4 (en) | 2018-09-21 |
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