EP2436627A2 - Procédé d'enroulement et machine de découpage de rouleaux - Google Patents

Procédé d'enroulement et machine de découpage de rouleaux Download PDF

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Publication number
EP2436627A2
EP2436627A2 EP11182444A EP11182444A EP2436627A2 EP 2436627 A2 EP2436627 A2 EP 2436627A2 EP 11182444 A EP11182444 A EP 11182444A EP 11182444 A EP11182444 A EP 11182444A EP 2436627 A2 EP2436627 A2 EP 2436627A2
Authority
EP
European Patent Office
Prior art keywords
winding
web
longitudinal
rolls
interrupted
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.)
Withdrawn
Application number
EP11182444A
Other languages
German (de)
English (en)
Other versions
EP2436627A3 (fr
Inventor
Lars Malindretos
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2436627A2 publication Critical patent/EP2436627A2/fr
Publication of EP2436627A3 publication Critical patent/EP2436627A3/fr
Withdrawn legal-status Critical Current

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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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/4149—Winding slitting features concerning supply of cores
    • B65H2301/41493—Winding slitting features concerning supply of cores integrated core cutter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/449—Features of movement or transforming movement of handled material
    • B65H2301/4493—Features of movement or transforming movement of handled material intermittent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/43—Rider roll construction
    • B65H2404/431—Rider roll construction involving several segments in axial direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/31—Tensile forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/50—Vibrations; Oscillations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines

Definitions

  • the invention relates to a winding method in which a material web, in particular a paper or board web, unwound from a parent roll and divided to form finished rolls in a longitudinal separation process along its direction and wound up again, at least two forming during a winding process finished rolls are produced side by side in a common winding bed under the influence of winding rollers, wherein the forming finished rolls and the winding rollers treating them form parts of a common winding system.
  • the invention relates to a slitter-winder, which has an unwinding device for a master roll, in which a material web, preferably a paper or board web, can be unwound from a mother roll, Furthermore, a longitudinal dividing section comprises, in which the material web is separable in the longitudinal direction and a take-up device comprising a winding bed in which at least two finished side by side positionable finished rolls under the influence of winding rollers are formed, and form the forming finished rolls and the winding rollers treating them parts of a common winding system.
  • Paper webs are produced in relatively large widths of up to more than 11 m in a paper machine.
  • the production is almost endless.
  • the machine direction of the paper machine defines the longitudinal direction for all machines and devices located in the paper factory and the transverse direction perpendicular thereto in the horizontal plane.
  • the longitudinal direction X-direction, the transverse direction as Y-direction and the height direction perpendicular to a plane defined by these two directions are referred to as Z-direction.
  • the paper web produced is wound in full width onto a winding core. This winding core is replaced cyclically, usually during production. The resulting web-wide winding is commonly referred to as mother roll.
  • the paper web wound on a mother roll has to be cut into a plurality of parallel partial webs whose widths are suitable for the respective later user. These widths can vary greatly from case to case, so that the division of the paper web is usually made according to an individually definable pattern.
  • the partial webs are then wound into so-called partial web or finished rolls and issued together as a so-called roll throw.
  • the pattern can be changed from roll throw to roll throw.
  • the slitting and winding is conveniently done in a single machine, which is widely referred to as a slitter-winder.
  • a slitter rewinder consists of a unwinding device, a cutting section and a roll-up device, wherein the cutting section has a number of mostly disc-shaped cutters adapted to the possible divisions.
  • the person skilled in the art distinguishes between two basic types of construction, namely the support roller and the back-up roller. This also applies if at least one of the winding rolls forming part of the winding process - ie partial web rolls or finished rolls - is replaced by a belt which revolves around rolls.
  • Characteristic of the roll carrier type which is of sole interest for the present application, is a retractor, in which the entire roll throw in a winding bed, which consists of two support rollers, is wound on winding tubes.
  • the winding tubes of the roller throw can be held by means of tensioning or guiding heads or, in rarer cases, through winding shafts inserted into the winding tubes.
  • the rolls are wound up together, as a complete throw. As a rule, this is done by means of a circumferential winding, for which purpose at least one of the two support rollers can be driven. If a winding shaft is used, a center winding or a combination of both can also take place. In general, additional pressure rollers are used, which provide in the initial stage of each winding for a desired level of winding hardness and should take over the course of the winding process often stabilizing tasks.
  • Winding diameter of about 800 mm to 1100 mm have reached or run through.
  • the object of the invention is achieved in that the longitudinal separation process is interrupted at least once during the winding process and resumed.
  • Essential to the invention is therefore the interruption of an already within the same winding process exerted longitudinal separation process and its resumption.
  • the longitudinal separation process is interrupted for a period of time that does not directly contact the beginning or end of the winding process. It is particularly advantageous if the interruption during the main winding phase, ie after the acceleration phase at the beginning and before the deceleration phase at the end of the winding process is carried out because the vibration critical winding phases often fall into this area or at least initiated in this area. However, it may also be advantageous if, during the acceleration phase, in particular towards its end or during the deceleration phase, in particular during the initiation period the deceleration phase, the method according to the invention is used, since it can sometimes come to violent roll swings in these periods, which is then usually initiated by Bruzugschwankache and can quickly be dangerous.
  • a method of this kind can certainly comprise a daily production at which only some of the roller sets to be manufactured, for example, in a clock cycle of approximately 5 to 15 minutes, are stabilized by a brief interruption of the longitudinal separation process between adjacent partial web rolls.
  • the longitudinal separation process is interrupted shortly before or when a critical natural frequency of the winding system or at least part of the winding system is reached.
  • the longitudinal separation process is particularly advantageously interrupted and resumed at a web speed greater than 800 meters per minute, preferably greater than 1200 meters per minute, more preferably greater than 1500 meters per minute.
  • the manufacturing process can be operated particularly effectively. It is preferred that when interrupting and resuming the longitudinal separation process, the currently applied web speed is reduced by not more than about 10% ... 15%. Most preferably, the web speed is maintained even in the usual tolerance ranges and can then in modern slitter machines at full production speed 2500 Meter per minute, 2800 meters per minute or even up to about 3000 meters per minute.
  • the longitudinal separation process comprises a plurality of individual separation processes distributed in parallel over time and over the CD direction of the material web and only a part of the individual separation processes is interrupted in a time-overlapping manner.
  • the finished rolls to be joined are selected according to format and position in the winding bed such that a single interruption and resumption of the longitudinal cutting process is sufficient to avoid reaching critical vibration states of a part of the winding system or the winding system over the entire winding process.
  • the forming finished rolls are wound on a common winding tube or each own winding tubes.
  • the necessary separation process can be elegantly integrated into the overall production process.
  • the ejection process from the slitter-winder offers a good opportunity to separate the interconnected finished rolls, as very targeted and appropriately sized forces can be applied to the individual web rolls or in a suitable manner to the entire roll throw.
  • Another opportunity for this results in the generally following the ejection process singling process.
  • the roles for better handling for example, for attaching labels, to facilitate quality control or for better removal are isolated.
  • the related finished rolls under application of targeted separation mechanisms, for example, with the help of a sharp separating knife or separating plate, a wire, by means of laser beam, water jet or by means of compressed air. separates.
  • the effort associated with the particular separation method to be selected is to be set in relation to the requirements to be placed on the separating seam. For example, it may be important to determine whether the finished roll once again undergoes edge trimming for a later user, for example a printing company, or whether it should possibly be used to the edge, for example printed.
  • the object of the invention is achieved in that the longitudinal dividing part is designed such that the longitudinal separation process can be interrupted and taken up again during the winding process.
  • partial web rolls forming side by side in a common winding bed can be connected to one another on a diameter range which is spaced from the diameter of the winding core and the final diameter of the finished roll.
  • the partial web rolls during the winding process in a geometrically very favorable area are interconnected and thus highly stabilized.
  • the longitudinal dividing section is designed such that the separation or cutting offset below 1.0 mm, preferably below 0.5 mm, most preferably below 0.2 mm.
  • the longitudinal dividing section is designed in such a way that the longitudinal dividing process can be interrupted and resumed within 1.5 seconds, preferably within 1.0 seconds, very particularly preferably within less than 10.11 or 100th of a second.
  • the longitudinal separation section is designed such that the longitudinal separation process is at a web speed of more than 800 meters per minute, preferably of more than 1200 meters per minute, very preferably more than 1500 meters per minute interruptible and resumable.
  • the manufacturing process can be operated particularly effectively. It is preferred that when interrupting and resuming the longitudinal separation process, the currently applied web speed is reduced by not more than about 10% ... 15%. Most preferably, the web speed of 2500 meters per minute, 2800 meters per minute or even to about 3000 meters maintainable.
  • a web stabilization device is provided in the region of the longitudinal separating device.
  • Such a web stabilization device may comprise, for example, a guide track in which the present web train is particularly durable. It is also conceivable that the web is supported during the interruption of the longitudinal separation process, for example by rollers which form a nip immediately in front of and / or behind the parting line in order to reliably avoid cracking.
  • the slitter-winder has a separating device by means of which the finished rolls interconnected in the winding bed can be separated in the winding bed or outside the winding bed.
  • a separating device outside the winding bed is initially preferred for economic reasons, since so the Changing time, which is necessary for the output of the finished set of rolls and for the preparation of the new winding process, is very easy to maintain and the productivity of the roll winding device can be brought to a high level.
  • the outlet bevel already described in connection with the embodiment of the method according to the invention is designed arcuate, whereby transverse forces are automatically effective on the connections when rolling out the finished rolls.
  • a separator for the defined cutting relationship separation design is preferred in most cases, and in some cases unavoidable.
  • Such a separating device may in this case have a plurality of separating units which are preferably positionable in the cutting section of the slitter-winder along the Y direction, similar to the separating units, generally consisting of upper knife and pot knife.
  • separation media are then defined and undefined cutting, that is sanded or with abrasive bodies occupied blades or wires in question.
  • thermal separation devices such as laser cutting devices.
  • a pressurized fluid jet for example a jet of water or air, can also be used.
  • the separating device consists of two sub-devices, which are arranged on opposite peripheral regions of the finished rolls to be separated. Both partial devices preferably have a plurality of units which can be positioned along the Y-direction, which units can preferably be positioned synchronously with one another and can be brought into operative connection with one another.
  • the units of a subdevices form the actual separation units and can be designed as just described.
  • the units of the other sub-devices are designed as relatively narrow pressurizing means, by means of which on the parting lines between two adjacent finished rolls can be acted upon. In this way, the region of the parting line inclined towards the separating unit is widened and the areas of the winding layer (s) which connect the finished rolls are stretched so that ideal separation conditions are present.
  • Such a separating device can also be combined with the dispensing device by means of which the finished roll sets can be removed from the winding bed.
  • FIG. 1 In a highly schematic manner, a slitter-winder 1 according to the invention is shown, which has an unwinding device 2 in the left-hand image area, in which a paper or board web M can be unwound from a mother roll 3.
  • the paper or board web M is then guided by a longitudinal separation section 4, which is realized in the example shown as a longitudinal cutting device with positionable in y-direction format selection knife pairs 23, each pair of knives 23 by a driven disc-shaped upper or cutting blade 16 and a revolving lower - or pot knife 17 is formed.
  • the longitudinal cutting section 4 is bounded in the x-direction by a front and a rear guide roller 11, which can of course also consist of individual segments.
  • the paper or board web M is then in a further course in a, formed from two axially parallel support rollers 18,19, formed winding bed 6 feasible in the y-direction frontally juxtaposed partial web or finished rolls 7 are formed.
  • At least one of the two support rollers 18, 19 can be driven.
  • both support rollers 18,19 are driven and are connected via a common control and / or regulating device 20 in connection.
  • a common control and / or regulating device 20 in connection.
  • the speed in the running direction x of the paper or board web M first support roller 18 and the second support roller 19 is torque-controlled.
  • an elastic storage at least one support roller 18,19 is conceivable.
  • the Axles 21, 22 of the support rollers 18, 19 may be mounted at different height levels in the z direction.
  • the support rollers 18,19 may have different diameters.
  • at least one of the two support rollers 18, 19 also one, on the paper or board web M becoming effective
  • Coating or sheathing for example, while the other support roller 18, 19 is formed as a steel roller. Furthermore, at least one of the support rollers 18, 19 may comprise a passive or active damping or a repayment element.
  • these advantageous embodiments are known to the person skilled in the art and are not shown here in detail for reasons of clarity.
  • winding cores 15 'arranged in alignment one behind the other are to correspond in their axial extent to the spacing of two adjacent pairs of blades 23 of the longitudinal dividing section 4.
  • the cores 15 ' may preferably consist of cardboard or plastic.
  • the most common diameter parameters in the market are 75 mm and 150 mm.
  • the illustrated roll slitting machine 1 has a pressure roller device 24.
  • this consists of a plurality of pressure roller segments 25 arranged one behind the other in the y direction and together on a traverse 26 movable in the z direction.
  • these pressure roller segments 25 can also act together or independently laterally along the circumference U of themselves be forming Operabahn- or finished rolling 7 be displaced.
  • the support rollers 18, 19 and the Antikwalzensegmente 25 of Andruckwalzen listening 24 are collectively referred to as winding rollers, by means of the Operabahn- or finished rolling 7 are formed and during each winding process together with these form a winding system 8, in mutually outgoing vibrations mutually Act.
  • vibrations can arise for a variety of reasons and usually negatively impact each other negatively on the winding process and the winding result.
  • the maximum winding speed V is limited by vibrations occurring, and occasionally, especially in simpler paper or board grades, certain quality losses are already accepted.
  • At least a part of the indicators responsible for these oscillations is due to a certain mutual freedom of movement of the part-track or finished rolls 7 forming side by side in the winding bed 6.
  • At least two of the at least two partial web or finished rolls 7 forming side by side are connected to one another for the further course of the winding process during the winding process by a brief interruption of the longitudinal cutting process.
  • the length of the section 27 can always be the same.
  • the longitudinal dividing section 4 of the slitter-winder 1 is designed such that the length of the section or sections 27 can be selected.
  • the length of the respective section 27 corresponding to the instantaneous diameter D of the forming Operabahn- or finished rolling 7 and the current winding speed V is adaptable such that a compound of the adjacent sub-web roles 7 over 1 to 20 winding layers, preferably over 1 to 10 winding layers, very preferably over 2 to 5 winding layers results.
  • the winding layers do not have to be reached in integer steps.
  • the winding layers are not completely connected in itself, but that the longitudinal separation process is interrupted in short successive periods and resumed. In such a trained, in FIG.
  • FIG. 2 an exemplary embodiment of a longitudinal separation section 4 is shown, which according to the description to FIG. 1 is designed as a pair of knives 23.
  • the disc-shaped cutting blade 16 stands for rapid mobility with two electromagnets 29 in operative connection and is seen in the z direction between two predetermined by the two electromagnets 29 positions switchable, the cutting blade 16 is in a position P within the paper or board web M to be separated and in the other Position P 'is outside an operative connection with the material web M to be separated. In order to prevent collisions with the pot knife 17 this is laterally,
  • FIG. 1 shown ejector devices 14, of which in the illustrated side view, only the foremost is recognizable, along the Y direction corresponding to the individual longitudinal separation devices of the longitudinal separation section 4 can be positioned and act when ejecting, that is to say exactly when ejecting or rolling, the finished rolls 7 on the joints between two adjacent and inventively connected finished rolls 7.
  • This tension the joints and can in a suitable manner to form a particularly accurate and clean separation or cutting edge of each other be separated. It is economically advantageous that by the temporal overlap of the ejection process and the separation process no additional production time is needed and a high efficiency of the slitter-winder 1 is ensured.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
EP11182444A 2010-09-30 2011-09-23 Procédé d'enroulement et machine de découpage de rouleaux Withdrawn EP2436627A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010041700A DE102010041700A1 (de) 2010-09-30 2010-09-30 Wickelverfahren und Rollenschneidmaschine

Publications (2)

Publication Number Publication Date
EP2436627A2 true EP2436627A2 (fr) 2012-04-04
EP2436627A3 EP2436627A3 (fr) 2012-06-13

Family

ID=44719443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11182444A Withdrawn EP2436627A3 (fr) 2010-09-30 2011-09-23 Procédé d'enroulement et machine de découpage de rouleaux

Country Status (2)

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EP (1) EP2436627A3 (fr)
DE (1) DE102010041700A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106966218A (zh) * 2017-05-09 2017-07-21 浙江步昌服饰股份有限公司 一种改良型商标分切装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110788910B (zh) * 2019-11-06 2021-08-27 无锡品知信息科技有限公司 一种切片机用刀片收纳装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944150A (en) * 1974-07-18 1976-03-16 Phylpat, Inc. Apparatus and a method for slitting and winding elongated sheets of material into rolls
DE4130799A1 (de) * 1990-09-19 1992-03-26 Dienes Werke Laengsschneidemaschine mit elektrischem stellantrieb fuer die messeranordnung
DE29714312U1 (de) * 1997-08-11 1998-09-24 Wilhelm Bilstein KG Spezialfabrik für Rundmesser und Plattenventile, 51491 Overath Messerhalter für Kreismesser mit Handschutz

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106966218A (zh) * 2017-05-09 2017-07-21 浙江步昌服饰股份有限公司 一种改良型商标分切装置

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DE102010041700A1 (de) 2012-04-05
EP2436627A3 (fr) 2012-06-13

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