EP0796812B1 - Method and device for winding a plurality of yarn batches simultaneously - Google Patents

Method and device for winding a plurality of yarn batches simultaneously Download PDF

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Publication number
EP0796812B1
EP0796812B1 EP97200735A EP97200735A EP0796812B1 EP 0796812 B1 EP0796812 B1 EP 0796812B1 EP 97200735 A EP97200735 A EP 97200735A EP 97200735 A EP97200735 A EP 97200735A EP 0796812 B1 EP0796812 B1 EP 0796812B1
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EP
European Patent Office
Prior art keywords
winding
carrier
packages
batches
stations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97200735A
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German (de)
English (en)
French (fr)
Other versions
EP0796812A1 (en
Inventor
Giorgio Colomberotto
Luciano Bertoli
Gianfranco Girardi
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.)
Savio Macchine Tessili SpA
Original Assignee
Savio Macchine Tessili SpA
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Filing date
Publication date
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Publication of EP0796812A1 publication Critical patent/EP0796812A1/en
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Publication of EP0796812B1 publication Critical patent/EP0796812B1/en
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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
    • D01H9/187—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 on individual supports, e.g. pallets
    • 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
    • B65H67/063—Marking or identifying devices for 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

  • This invention relates to yarn production by spinning-winding, ie a combined method of spinning and bobbin winding.
  • Winding generally has a much higher productivity than spinning, in that the yarn is wound at a much higher rate than the rate at which it is spun. For this reason a small number of winding stations is able to work the yarn produced in a large number of spinning stations, for example of a ring spinning machine, which produce a considerable number of yarn packages wound on tubes, which are unwound and then rewound onto a smaller number of larger-dimension bobbins after eliminating any defective or irregular pieces from the yarn.
  • This productivity difference between the two stages is such that one and the same winding machine is able to absorb the yarns produced by several spinning machines, and frequently to also operate on yarns of different type produced simultaneously by different spinning machines connected to the winding machine by continuous transport systems.
  • Spinning-winding requires the handling not only of the full packages between the spinning and winding stages and of the empty tubes returned from the winding to the spinning stages to form new packages, but also of a large number of irregular packages.
  • These irregular packages are generally in the form of tubes from which the wound yarn has not been withdrawn completely and from which the winding station is unable to recover further yarn, for example because it is not able to seize its end to continue winding, using the means with which it is provided.
  • special separate processing circuits are required for depleting or discharging them.
  • the packages Before the packages are fed to the winding stage they have to be arranged with their yarn end in a predetermined position, for example inserted into the tube on which they wound.
  • the winding station is then able by itself to seize the end from the packages and to initiate their winding by an automatic procedure without the intervention of operators.
  • each winding station is able to process fifty or more packages per hour, so that their overall handling involves thousands of pieces per hour.
  • One arrangement for handling packages and tubes which has encountered considerable favour for example as described in the patents FR-A- 1,571,158, JP-B-49-12128, DE-A- 3,235,442 and DE 3,213,253, consists of transferring them onto support carriers provided with a central vertical mandrel which retains them in an erect position, and moving the carrier into circulation between and within the machines, including during the preparation and unwinding stages.
  • the vehicle represented by the carrier is also very useful for simultaneously winding several batches of different yarns, because the packages can be distinguished from each other on the basis of the carrier which transports them and hence directed towards those stations of the winding machine specifically intended for each of the batches being worked.
  • the carriers carrying the packages or tubes are generally moved by moving the surface on which they rest, for example conveyor belts for rectilinear movements and rotary discs for circular movements.
  • Controlling the handling of material in winding machines is even more delicate and complex if several batches are worked simultaneously.
  • the present invention relates to a method and device for winding packaged yarn for the simultaneous processing of a plurality of yarn batches comprising feeding, working and handling full packages and depleted packages by means of said support carriers.
  • the type of package is identified on the basis of the carrier on which it is located for feeding, for example as described in Italian patent IT-A-1 282 058 in the name of Murata.
  • the winding machine is provided with carriers of different form, the packages of the different batches being loaded onto said different carriers.
  • This different form can consist of one or more grooves in the cylindrical surface of the carrier base, or magnetic metal ring inserts, or bar codes which are identical for all the carriers of a certain series provided with the machine.
  • the packages are distinguished only on the basis of the carrier which transports them, packages carried by the same type of carrier hence being indistinguishable from each other. This distinguishing is achieved by a sensor which identifies the marking on the carrier, discriminates it and then feeds a corresponding operating instruction for sorting.
  • This type of approach to the problem involves previously dividing the winding machine rigorously into a plurality of separate sections which are reached by suitably deviating the paths of the carriers in correspondence with doors which are opened or closed by the identification sensors.
  • the paths are discriminated on the basis of a geometrical constraint, for example they can be provided with deviator guides with plates positioned at the levels of the grooves, selection taking place on the basis of the coincidence or non-coincidence of groove levels on the base disc of the carrier and the level of the deviator plate.
  • the carriers or package tubes are provided with magnetic memory elements, such as electronic chips, on which an indication of the type of package fed to them is stored and then cancelled as required.
  • the machine selector elements operate on the basis of information recorded on each carrier which is cancelled and again recorded each time a package is loaded onto it.
  • This technical solution also requires the winding machine to be previously divided rigorously into a plurality of separate sections reached by suitably deviating the carrier paths in correspondence with accesses which are opened or closed on the basis of the identification read on the carrier. Each winding machine section is formed as a winder independent of the other sections and does not communicate with them.
  • the object of the present invention is to provide a device and method for automatically and simultaneously winding a plurality of yarn batches, which is free from the drawbacks of analogous devices of the known art.
  • the identifying element for the material circulating within the machine is a package and tube-carrying carrier which contains a memory chip - ie a recordable and readable integrated microcircuit - for encoding, on which an identification code for the individual carrier is permanently recorded in a manner which cannot be modified by the machine.
  • This guarantee of non-modification of the identification code for each carrier is provided, for example, by introducing into the chip program a password for any erasure or new recording on it.
  • Each carrier can be, and in practice is, physically identical to all the others, but contains in its chip its name, ie its own anagraphic code which distinguishes it from all the others. In its path within the machine, each carrier is hence distinguishable even from the carriers which carry the packages of its own batch.
  • the carrier structure can advantageously be provided with elastic retention and centering elements for the packages and tubes in accordance with the copending patent IT-A-1 282 058.
  • the carrier 1 transports the full package 2 wound on the tube 3 and is made to travel along the surface 4.
  • the chip 6, on which the identification code has preferably been recorded before its insertion into the carrier is inserted in a protected position.
  • Carrier identification is effected by a sensor 7 positioned a moderate distance from the carrier in transit in correspondence with a portion of the support surface 4 formed of non-ferromagnetic material.
  • the senor 7 consists of an antenna emitting an electromagnetic pulse which energizes the chip 6 so that it emits a response pulse corresponding to the code recorded on it and which distinguishes each carrier from the others.
  • the signal with the code of the carrier passing by the sensor 7 is transmitted along the line 8 to the machine control unit for the required processing.
  • Figure 2 shows the overall scheme of the winding machine comprising both the actual winding part R and the part A containing its auxiliary feed, preparation, undepleted package recycling and empty tube discharge units, together with the machine services and control units.
  • the winding machine is provided with a device for moving and positioning the packages being worked by urging them to slide on fixed support surfaces along a path defined by guides and deviators controlled in accordance with the pending European patent applications EP-A-0 721 910, EP-A-0 721 911 and EP-A-0 721 909 in the name of the present applicant, to which reference should be made for further details regarding handling and processing.
  • the remaining parts of the handling circuit for the package and tube-carrying carriers can be formed from conveyor belts or other handling means known in the art.
  • the circuit part 10 of the handling path is dedicated to feeding the full packages to the winding stations in which a plurality of thrust members 11 circulating along an endless path carry the carriers 1 with their packages 2 of the various batches, maintaining them readily available to those winding stations which require them.
  • the packages are shown black or white to indicate packages of different batches.
  • the path 10 hence represents the only path for feeding all the winding stations 12 for the various yarn batches.
  • the winding stations 12 are indicated by dashed lines and positioned facing the return path of the packages of the circuit 10, above the passages 13 towards the path 14 for the return of the empty tubes or for the recycling of the non-depleted packages.
  • the packages locate themselves in waiting sites, in which the packages lie as stand-by for the package to be unwound, undergoing unwinding and undergoing discharged respectively, from which the depleted packages are removed along the path 14.
  • the packages are continuously in circulation and pass without distinction in front of all the winding stations, as the winding machine is not divided into separate sections for the various yarn batches.
  • each winding station 12 is provided with a deviator 15 which is operated, each time its waiting site has delivered its carrier with the full package to the following unwinding site and is hence free, to intercept the carrier with the package of the specific batch, to which it has been dedicated by a command transmitted by the winding machine control unit as programmed for its working campaign.
  • the winding stations 12 dedicated to the various batches can be divided in any manner, for example by alternating them with each other and dedicating the even stations to the white packages and the odd stations to the black packages. Dividing the machine into sections or groups is done only on the basis of a logic allotment of appurtenance without barriers and separations of physical type, as instead is the case in devices of the known art.
  • This division can be modified during the working campaign, for example if it is required to dedicate a greater number of stations to one yarn batch and a smaller number to the other batch. As described hereinafter this facility is very advantageous on occasion of the so-called end of batch.
  • Each winding station 12 is connected to the machine control unit, and is able to give and receive information and to consequently call any package 2 of the totality of packages passing in front of it, choosing the type of package which has been allotted to it and obviously discharging the carriers with depleted packages. This can happen, not only on the basis of the situation in the various sites of the winding station, but also taking account of particular spool distribution logics within the machine, for example by giving preference to those stations operating at greater linear speed or those stations which were the first to request the exchange, or finally those stations which are closest to completing the required bobbin yarn length, and so on.
  • This logic allotment enables a machine system to be achieved having the following characteristics:
  • the handling circuit of the winding machine according to the invention is described starting from the stations in which the packages are loaded onto the tubeless carriers which originate from the tube discharge unit 20.
  • Said tube discharge unit consists of a carrier intercepting member which bars its path on the conveyor belt and halts it, allowing the conveyor belt to slide under it, and a gripper member which moves on a vertical stepping conveyor analogous to that described in the said EP-A-463,695 in the name of the present applicant for transferring spinning machine packages, which withdraws the tubes, and consigns them to the rightward-travelling return conveyor line towards the spinning machine, not shown in the figure.
  • a suitable photoelectric cell sensor guard device allows the carriers to depart only after verifying that their tube has been removed.
  • the reader 21 reads the name of the discharged carrier and transmits it to the machine control unit. Following this reading, the preceding recording in the carrier/package batch electronic code table is erased and is renewed at the next stage of the machine circuit, consisting of the loading stations. If however the carrier presents itself with a non-depleted package, the tube is not removed from the carrier, its recording is not erased and it is allowed to pass through the loading stations towards the subsequent package preparation stations.
  • Said loading stations 22 and 23, for the packages indicated as type T (black) and S (white) respectively, but which could be in a much greater number for a greater number of yarn batches to be processed simultaneously, consist of gripper members which move on vertical stepping conveyors similar to the aforesaid, and carry the packages of their own batch to mount them onto the carriers travelling along the path 24 consisting for example of a rectilinear conveyor belt.
  • the packages are preferably mounted onto the carrier within a single loading segment, for example by delivering the packages of the two or more batches using transporting grippers which mount the packages onto their carrier.
  • the empty carrier in transit along the path 24 is halted at the loading station, a package is mounted on its respective mandrel, and at a site 25 within the segment it is identified by the code reader 26 which detects the name of the loaded carrier and transmits it to the machine control unit, together with the identification of the type of package on the basis of which of the two stations 22 or 23 has delivered to it the package T or S respectively.
  • the information "the carrier xxxx carries the package of type S" is used to form the electronic table showing the situation on board the machine.
  • these pairs of data are gradually transmitted to the machine central control unit to form a first association table of the type: CARRIER CODE PACKAGE TYPE 001 S 002 T 003 T 004 S ... . n T from which it is possible to unequivocally obtain the type (or batch) of package carried by each carrier in the cycle.
  • the situation is updated, the table forming the main instrument for distributing the packages to their bobbin winding stations.
  • the carrier xxxx with the package of type S mounted thereon proceeds along the path 24 and is transported to the preparation and end-seeking stations 30, 31, which correspond to two alternative paths 32 and 33 respectively, by way of a deviator positioned at the end of the path 24 and not shown in the figure for simplicity, which operates on the basis of which of the two stations 22 and 23 has delivered the package to it.
  • each of these preparation stations is dedicated to a specific yarn batch of the two being processed, because the optimized preparation procedure would require working parameters which differ according to the characteristics of the yarn batches being worked.
  • the two alternative paths through the preparation stations 30 and 31 enable a certain reserve of carriers to be built up, already provided with packages for the circuit 10 feeding the winding stations.
  • the preparation stations 30 and 31 for the packages S and T are made to operate using methods and devices known to the art, for example in accordance with the method described in European patent application EP-A-463,695 in the name of the present applicant, to which reference should be made for greater details.
  • it consists of scanning the foot and surface of the packages with suction ports for seizing the yarn end while maintaining the package rotating in the opposite direction to the winding direction, followed by exploration with a hook member while the package rotates in the winding direction, then using a curved suction port to grip the thus traced and separated yarn end, then cutting it to size and inserting it by suction into the tube.
  • the success of this operation is indicated by a suitable sensor which indicates that the yarn end has been engaged and provides the enabling signal for the procedure to continue.
  • the package After its successful preparation, the package proceeds towards the winding machine along the path 32' and 33' for the packages of S type and T type respectively, to form the queue of packages ready and waiting for loading onto the winding machine R. If the preparation has not been successful, the packages concerned are fed along the parking path 34 for the packages waiting to be prepared by hand. This feed to parking is effected by deviators positioned in the paths 32 and 33, of known type and consequently not shown in the figure for simplicity.
  • each of the two paths 32' and 33' along which the queues of ready and waiting packages are positioned there are two distributors 35 and 36, which are opened alternatively to release only one package at a time of the batch requested by the delivery site 37, into which a carrier carrying the package is urged by the distributor 35 or 36.
  • FIG. 3 shows the structure and operation of the alternatively opening carrier distributors 35 and 36.
  • the two members 35 and 36 each consisting of a horizontal plate 101 and 102 of half-moon shape with its concavity facing said paths.
  • the plates 101, 102 are pivoted on vertical pins 103, 104 and can rotate in the horizontal plane into two alternative positions defined by limit stops not shown in the figure for simplicity, namely the rest position (full lines) in which carrier passage is blocked, and the release position (dashed lines) in which the first carrier of the blocked queue is left free.
  • the conveyor belt 110 which is maintained in continuous movement in the direction of the arrow c, to move the carriers towards the circuit 10, to its loading position 37.
  • the conveyor belt 110 has a width 1 sufficient to involve in its movement both the paths 32' and 33'.
  • a return spring 111, 112 tends to maintain the plates 101, 102 in their rest position shown by full lines, a single-acting pneumatic piston 113, 114 overcoming the traction of the spring 111, 112 when fed with pressurized fluid, to rotate the plate 101, 102 in the direction of the arrow a.
  • the distributor 35, 36 operates as follows.
  • the carriers 1' and 1" of each of the two types of package being processed are at rest in the queue along the path 32', 33', blocked by the interference with the end 115, 116 of the plate 101, 102, whereas the conveyor belt 110 sides below them in the direction of the arrow c.
  • the situation is that shown by full lines.
  • the piston 113, 114 (one or the other) is fed with pressurized fluid, to cause the plate 101, 102 to rotate in the direction of the arrow a, to attain the configuration shown by dashed lines.
  • the two carriers 1' and 1" of the queue along the path 32', 33' for the two batches move in the direction of the arrow c, dragged by the underlying conveyor belt 110, in accordance with a command fed by the central control unit of the machine, relating to one or alternatively the other batch.
  • the yarn 1' proceeds freely towards the loading position 37, but the next carrier 1" moves only as far as its position shown by dashed lines, where it is blocked by interference with the end 117, 118 of the plate 101, 102.
  • a package with the relative carrier is delivered from said loading position on the basis of the preset logic in the machine control unit for controlling the deliveries.
  • the package delivered to the circuit 10 can be of the same batch as that of the last package delivered to the winding stations 12, or that of the last carrier from which the empty tube was removed at the location 20.
  • the numerical ratio between the packages of the different batches being worked in the circuit 10 of the machine section R is maintained substantially constant.
  • a sensor 38 for example a photoelectric cell sensor, which indicates the arrival of an empty circuit position at the site, or of a thrust member 11 without a carrier, and causes the distributor 35 or 36 to operate, or controls it in accordance with the described control logic.
  • the packages hence loaded into the handling circuit 10 are maintained in continuous circulation and pass in front of all the machine winding stations 12, gradually filling the empty positions of the circuit 10 with new packages to maintain them occupied to the maximum possible extent.
  • Each of said stations 12 is provided with a code reader 39 positioned to read the name of the carrier arriving in front of its winding station (or head).
  • the readers 39 are connected to the winder control unit, for example by a serial line, and exchange information with it in real time, receiving the enabling commands for operation.
  • each winding head 12 in which the waiting site is without a waiting package having delivered it to the unwinding site - in the embodiment of Figure 2 the second and last heads from left to right are without them - maintains its reader 39 active to "read" the identifying codes for the carriers in transit, consults via the control unit the aforedescribed carrier/package association table and, if the arriving carrier carries a package of the batch to which the head in question is dedicated, receives the enabling signal to activate the device for taking in a new package via its carrier deviator 15.
  • each winding head and the other machine processing units can read, add or change information in the association table for the packages conveyed to the transporter carriers.
  • the conveyor 14 carries the depleted packages towards the selector device 51, which is able to distinguish between packages discharged from the winding heads because of lack of yarn-end gripping, half packages, unclean tubes or finally clean tubes.
  • This device is known in the art and consists for example of a mechanical feeler member which feels the tube surface and which, if a residual winding of yarn about it is detected, is halted by it at a certain distance or at a certain height, as for example described in Italian patent IT-A-1 171 873 (US-A-4 598 869) in the name of Murata.
  • the deviator 52 deviates the clean tubes and the packages still to unwind along the path 53, whereas the half packages and the unclean tubes - ie those tubes with a winding residue which it is no longer worth unwinding - are fed along the path 54.
  • a tube cleaning device 55 is located along the path 54.
  • This device is known in the art and consists for example of a tube withdrawal mechanism which withdraws it temporarily from its carrier, carries it to a cutting member which explores a generating line on the frusto-conical surface of the tube to cut away the residual wound yarn and then relocates the tube on the carrier.
  • the paths 34, 53 and 54 rejoin the main feed path 24 by way of stop and selective alternative release devices 56, 57 and 58, which respectively release towards the device 20 either the packages to be recycled and the clean tubes from the path 53, or the tubes cleaned along the path 54 by the device 55, or finally those packages of the path 34 which have been manually worked by operators.
  • the procedure of feeding one carrier at a time from the queue of waiting carriers along said paths is controlled by the control unit by virtue of the code management logic stored in it.
  • the structure and operation of the devices 56, 57, 58 are analogous to that described, by way of non-limiting example, for the devices 35 and 36 for delivering the carriers to the circuit 10, in the position 37.
  • the carriers fed to the path 24 from one of the three described paths encounter a selector device 60 analogous to the device 51 which recognizes on the carrier in the position 61 those packages to be allowed to pass to return to the cycle for using the yarn wound on them, and distinguishes them from the empty tubes to be withdrawn by the device 20 which follows in the circuit.
  • the facility for modifying the distribution of the winding heads between the two batches without mechanical or electrical modifications but merely by giving a suitable instruction to the machine control unit, enables those winding heads which have attained the set bobbin yarn length to be excluded from processing the batch which is about to finish, for example the packages S, and to be gradually assigned to processing a different batch, which can for example be the batch T already being processed in the other winding heads or be a new batch V, U ....
  • the residual packages S can be reserved for completing those bobbins not yet completed on the remaining winding heads which are still processing the batch S.
  • the termination of the batch S does not give rise to incomplete bobbins, the processing change taking place gradually and without down times, precisely because there is no rigid division of the machine into sectors.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Basic Packing Technique (AREA)
EP97200735A 1996-03-18 1997-03-12 Method and device for winding a plurality of yarn batches simultaneously Expired - Lifetime EP0796812B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI960524 1996-03-18
IT96MI000524A IT1283270B1 (it) 1996-03-18 1996-03-18 Procedimento e dispositivo di roccatura contemporanea di una pluralita di partite di filato

Publications (2)

Publication Number Publication Date
EP0796812A1 EP0796812A1 (en) 1997-09-24
EP0796812B1 true EP0796812B1 (en) 2000-01-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97200735A Expired - Lifetime EP0796812B1 (en) 1996-03-18 1997-03-12 Method and device for winding a plurality of yarn batches simultaneously

Country Status (5)

Country Link
EP (1) EP0796812B1 (zh)
CN (1) CN1075028C (zh)
DE (1) DE69701159T2 (zh)
ES (1) ES2141573T3 (zh)
IT (1) IT1283270B1 (zh)

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CN107954272B (zh) * 2016-10-18 2020-11-27 村田机械株式会社 纱线卷绕设备
CN108639861A (zh) * 2018-06-05 2018-10-12 青岛宏大纺织机械有限责任公司 自动络筒机托盘止动和放行装置
DE102019110295A1 (de) 2019-04-18 2020-10-22 Saurer Spinning Solutions Gmbh & Co. Kg Kreuzspulen herstellende Textilmaschine
DE102020122952A1 (de) * 2020-09-02 2022-03-03 Trützschler GmbH & Co Kommanditgesellschaft Verfahren zum Betreiben eines Kannenwechslers, Kannenwechsler und Textilmaschine
IT202000030203A1 (it) * 2020-12-09 2022-06-09 Savio Macch Tessili Spa Apparato di movimentazione spole e tubetti per un impianto tessile, ed impianto tessile comprendente tale apparato
DE102021107062A1 (de) 2021-03-22 2022-09-22 Saurer Spinning Solutions Gmbh & Co. Kg Spinnkops- und Hülsentransportsystem für eine automatische Spulmaschine

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IT1261670B (it) * 1992-05-22 1996-05-29 Murata Machinery Ltd Sistema di alimentazione di bobine.
EP0593808A1 (de) * 1992-10-22 1994-04-27 W. SCHLAFHORST AG & CO. Vorrichtung zum Transport von auf Textilmaschinen hergestellten oder zu bearbeitenden Textilspulen und/oder Leerhülsen
DE4309582A1 (de) * 1993-03-24 1994-09-29 Schlafhorst & Co W Automatische Spulmaschine, die mehrere, teilweise gemeinsame Transportwege aufweisende Transportschleifen für Textilspulen besitzt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022106040A1 (de) 2022-03-16 2023-09-21 Rieter Automatic Winder GmbH Verfahren und Vorrichtung zum Betreiben einer Spulmaschine

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ITMI960524A1 (it) 1997-09-18
EP0796812A1 (en) 1997-09-24
IT1283270B1 (it) 1998-04-16
ES2141573T3 (es) 2000-03-16
DE69701159D1 (de) 2000-02-24
ITMI960524A0 (zh) 1996-03-18
CN1163855A (zh) 1997-11-05
CN1075028C (zh) 2001-11-21
DE69701159T2 (de) 2000-07-13

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