WO2019162297A1 - Traceur à rouleaux - Google Patents

Traceur à rouleaux Download PDF

Info

Publication number
WO2019162297A1
WO2019162297A1 PCT/EP2019/054154 EP2019054154W WO2019162297A1 WO 2019162297 A1 WO2019162297 A1 WO 2019162297A1 EP 2019054154 W EP2019054154 W EP 2019054154W WO 2019162297 A1 WO2019162297 A1 WO 2019162297A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide rail
sheet
tool
transport drum
conveying direction
Prior art date
Application number
PCT/EP2019/054154
Other languages
German (de)
English (en)
Inventor
Dietmar Heil
Original Assignee
Jentschmann Ag
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 Jentschmann Ag filed Critical Jentschmann Ag
Publication of WO2019162297A1 publication Critical patent/WO2019162297A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/26—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed wherein control means on the work feed means renders the cutting member operative
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
    • B26F2210/12—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of fabrics

Definitions

  • the invention relates to a roller plotter and a method for processing a sheet with this roller plotter according to the preamble of claims 1 and 10.
  • the fabric is moved by means of a cylindrical transport drum in a conveying direction and processed by means of at least one tool.
  • tools are in particular cutting devices with a cold knife or an ultrasonic knife.
  • Other tools are e.g. Welding devices, in particular ultrasonic welding devices, which are designed to connect two layers of the fabric locally by supplying energy.
  • Roll plotters can be used in particular for editing
  • roller plotters are compact and space efficient. Therefore, with roller plotters and large-area fabrics on relatively narrow
  • roller plotters Another advantage of roller plotters is that certain processing steps such as cutting of longitudinal edges in the conveying direction during transport of the fabric can take place. The productivity and efficiency of role plotters are therefore comparatively high.
  • this tool For processing a fabric with a tool transversely to the conveying direction, this tool can e.g. be moved along a guide rail transversely to the conveying direction.
  • the conveying speeds of the fabric in the conveying direction and the tool must be transverse to the conveying direction according to a predetermined
  • Processing should be orthogonal to the conveying direction, for example, for separating a portion of the
  • the sheet may not be moved in the conveying direction.
  • Sheet is formed by energy supply, in particular along a longitudinal edge in the conveying direction can, for. a locally too high energy intake will decrease the quality of the seal or the affected one
  • the cutting tool is mounted on a carriage which is movable in a second direction orthogonal to the first direction.
  • the transport drum and the carriage can be controlled by a controller simultaneously. This makes it possible to cut the sheet according to stored sectional contours, which have both components in the first direction and in the second direction.
  • the conveying speed of the transport drum is adjusted according to the contour to be cut. For cutting orthogonal to the conveying direction must be controlled by a controller simultaneously.
  • the cutting tool e.g. a knife may additionally be rotated about an axis of rotation that is orthogonal to the first and second directions.
  • the knife can be aligned during cutting according to the respective cutting direction. This is also called a tangential knife.
  • An object of the present invention is to provide a roller plotter which enables efficient processing of fabrics with at least one tool
  • the invention is to provide a method for efficiently processing a sheet with such a roll plotter.
  • the roller plotter comprises a transport drum, which is mounted rotatably about a drive axis on a machine frame, and with which a sheet can be transported in a conveying direction.
  • the conveying direction is always orthogonal to the drive axis. at flexible and / or pliable fabrics, the conveying direction may have locally different directional components in the respective normal plane to the drive axis. This is particularly true when a portion of a sheet is wound around a portion of the lateral surface of the transport drum or rests against this.
  • a guide rail is arranged parallel to the transport drum.
  • the guide rail serves as a carrier on which at least one carriage with at least one tool can be moved transversely to the conveying direction.
  • the guide rail can be moved around the transport drum at least within a movement sector. It is preferably mounted by means of two pivoting arms coaxially to the transport drum pivotally mounted on the machine frame.
  • a conveyor drive the transport drum, a
  • Transport drum is movable around, as well as a
  • Carriage drive with which the at least one carriage is movable transversely to the conveying direction, are controlled by a common control.
  • the required information such as data describing the geometry of the machining contour and / or data from
  • Speed profiles of the drive motors are suitably stored in a memory.
  • Transport direction and be stored transversely to the conveying direction.
  • These coordinate values can be e.g. as absolute values with respect to a reference position and / or relative values with respect to coordinates of one of
  • the sheet and the respective tool are positioned relative to each other prior to machining so that the position of the tool coincides with a reference point of the sheet. Thereafter, the sheet is processed according to the stored data from the reference position.
  • any contour along which the sheet is using a particular tool is using a particular tool
  • Each speed profile defines the speed or speed of each of the motors in
  • Sheets are defined by the velocity profiles of those engines that support the tool and / or the tool
  • the relative movement of the tool and of the sheet comprises the following components of motion: a) movement of the sheet in or against the sheet
  • Optimized speed profiles ensure efficient processing of the fabric with one or more tools, taking into account quality specifications.
  • parameters are eg type of tool; Type of fabric; Machining contour, in particular coordinates of points along the
  • Portions in the conveying direction and transversely thereto may e.g. be given as functions in dependence of one or more such parameters.
  • Such functions may e.g. be defined by function values at several nodes, where these nodes by values of one of
  • Tool-specific data from applicable tools such as For example, the maximum allowable relative speed stored in the processing of one or more types of fabrics.
  • such data may be for one
  • data of the reference sheet may be stored, for example, by stored
  • the controller comprises a calculation module which is designed to calculate optimized speed profiles for controlling all required motors from stored contour data. It can be used for the processing of the fabric in compliance with
  • Constraints required time e.g. by means of
  • Secondary conditions are in particular values and functions which limit the usable maximum speed of at least one of the motors.
  • This calculation of velocity profiles may be e.g. in an initialization process before starting to process a sheet.
  • the velocity profiles may be e.g. in an initialization process before starting to process a sheet.
  • Velocity profiles e.g. for given
  • Time intervals are calculated continuously during the processing of a fabric.
  • a minimization of the processing time can be achieved in particular by maximizing the conveying speed or the average speed of the transport drum and / or by simultaneously processing the sheet with a plurality of tools. This ensures a high efficiency in the processing of the fabric.
  • tools which are arranged on a pivotable about the transport drum guide rail the component of the relative velocity in the conveying direction is composed of the proportion with which the
  • Transport drum promotes the fabric and the
  • Tool and the fabric in the conveying direction can thus be effected by two independently controllable motors.
  • the controller can control the rail drive coordinated with the rotational movement of the transport drum so that the tool moves in the conveying direction as fast as that
  • Transport direction is transported. As a rule, no reduction of the conveying speed is required.
  • the relative speed in the conveying direction is zero when the rotational speed with which the guide rail is moved around with the tool around the transport drum, and the rotational speed of the transport drum have the same direction of rotation and amount to match.
  • Turning the transport drum may be for tools on the guide rail one of the conveying speed
  • Deviating relative speed can be specified in the conveying direction. This is particularly advantageous if no or only a small relative speed in the conveying direction is possible for the processing of a sheet with a tool transversely to the conveying direction, otherwise the processing speed would be too high transverse to the conveying direction. In this case, the
  • Sheet with other tools e.g. are arranged on another guide rail is still possible.
  • At least one transverse to the conveying direction carriage be arranged a cutting blade.
  • Tool can be a sheet during transport in Be separated along a cut line orthogonal to the conveying direction conveying direction.
  • Ultrasonic sonotrode or another tool may be arranged. With this tool, a sheet can be processed without significant reduction of the conveying speed along contour sections, the one
  • the sheet without changing the direction of rotation of the transport drum along along
  • Contour sections are processed, which are aligned opposite to the conveying direction. The share of
  • Relative speed in the conveying direction is negative in these contour sections.
  • the pivoting of the guide rail can be used not only during the processing of a sheet.
  • the guide rail can also be pivoted to a maintenance position, e.g. allows easy attachment and removal of tools.
  • FIG. 1 is a simplified representation of a
  • Figure 2 is a simplified cross-section of a
  • FIG. 3 shows a cross-section of the roller plotter in FIG.
  • Figure 4 shows a sheet with machining contours.
  • the roller plotter shown by way of example in FIG. 1 comprises an electronic control 1 and a transport drum 3 controlled by the control 1, which
  • a respective pivot arm 10 is mounted coaxially to the transport drum 3 about the drive axis Al pivotally mounted on the machine frame 5.
  • Each of the pivot arms 10 comprises a leg which projects radially beyond the transport drum 3.
  • a guide rail 7 extends spaced and parallel to the transport drum 3 between the two legs of the pivot arms 10. The two ends of the guide rail 7 are connected to the legs of the pivot arms 10.
  • the guide rail 7 can be at a constant distance from Transport drum 3 are pivoted about the drive axis Al.
  • the guide rail 7 is additionally mounted pivotably about a parallel to the drive axis Al aligned rail axis A2 on the pivot arms 10 so that they can take at least two different pivot positions.
  • Such pivotal positions are e.g. at least one
  • the rail axis A2 may be e.g. be arranged in cross section within the guide rail 7 and / or in the region of the center of mass of the guide rail. 7
  • pivot arms 10 guides for at the ends of the guide rail. 7
  • arranged slide 7a include. This allows a guided displacement of the guide rail 7 along the legs of the pivot arms 10 and thus radially with respect to the transport drum 3. As a result, the distance between the transport drum 3 and the guide rail 7 can be changed.
  • the guide rail 7 always remains parallel to the transport drum 3 aligned.
  • One or more carriages 9 are on the guide rail 7 in the direction of the rail axis A2, ie parallel to
  • At least one tool 21 by means of a tool holder 19 is preferably detachably or exchangeably attached to each carriage 9.
  • Tool holder 19 and / or the tool holder 19 on the respective carriage 9 may be fixed.
  • the tools 21 or the tool holders 19 are rotatably mounted about an associated axis of rotation A3, A3 '.
  • This axis of rotation A3, A3 ' is preferably
  • Figure 2 shows a cross section of a part of such a roller plotter, the arrangement in a first
  • Swivel position of the swing arm 10 is shown by solid lines and in a second pivot position by dotted lines. In the second pivotal position are the
  • a supply roll 11 of a sheet 13 is rotatably mounted in the lower front region.
  • the conveying direction of the sheet 13 is represented by arrows PI.
  • a front strip section of the fabric 13 is guided around the transport drum 3 from below in such a way that it wraps around it over an angular range of preferably more than 180 °.
  • a precise, slip-free conveying of the fabric 13 is favored. This can be ensured for example by means of guide drums 15a, 15b, the input side and
  • These guide drums 15a, 15b may be passively rotatably mounted on the machine frame 5.
  • one or both of these guide drums 15a, 15b can be actively driven by the controller 1 in a controlled manner.
  • the controller 1 By specifying the rotational speed of at least one of the guide drums 15a, 15b in function of
  • the distance of the tools 21, 21 'to the transport drum 3 can be changed between a further from the transport drum 3 remote position and a working position for processing the sheet 13. If the guide rail 7, 1 is mounted on the machine frame 5, that their distance to the transport drum 3 can be changed, all can at this
  • Guide rail 7, 7 'arranged tools 21, 21' are moved simultaneously in the working position or in the rest position.
  • tool holders 19, 19 ' can be attached to the respective carriages 9, 9', e.g. by means of the
  • Control 1 controllable drives in particular by means of spindle drives so arranged to be movable so that they are attached to the tools 21, 21 'to
  • Transport drum 3 can move away or from the transport drum 3.
  • the tool holder 19 in the solid lines
  • first pivot position of the pivot arm 10 in the rest position.
  • second pivotal position of the pivot arm 10 ' the tool carrier 19' is shown in the working position.
  • Tools 21, 21 'to other tool holders 19, 19' adjusted or brought into positions with predetermined radial positions with respect to the drive axis Al.
  • a tool 21, 21 ' such as a pinch roller is resiliently held on such a tool holder 19, 19', in this way, for example, the pressing force can be set, controlled or regulated, with which the pressure roller the fabric 13 against the
  • Transport drum 3 presses.
  • FIG. 3 shows a cross section of a part of a
  • the guide rail 7 is in turn pivotable about the transport drum 3 by means of pivoting arms 10 around
  • Machine frame 5 stored. Parallel to the guide rail 7 and the transport drum 3, a rotatable about a rotational axis A4 brush roller 23 is arranged.
  • the brush roller 25 preferably extends over the entire width of the transport drum 3.
  • the brush roller 23 may e.g. be rotatably mounted on at least two lateral roller supports 25, which are connected to the guide rail 7.
  • the roll supports 25 are motorized
  • a terminal block 27 is arranged.
  • the clamping strip 27 preferably extends over the entire width of the transport drum 3.
  • the terminal strip 27 may comprise one or more sections which extend over only a respective portion of the width of the transport drum 3.
  • the terminal strip 27 is held by means of at least one strip carrier 29 on the guide rail 7.
  • the rail carrier 29 is mounted on the guide rail 7 in a motor-displaceable or electromagnetically displaceable manner.
  • the strip carrier 29 is resiliently formed.
  • Transport drum 3 can be changed.
  • the controller 1 can pretend at least one position of the terminal block 27, in which the sheet 13 of the terminal block 27 with a certain clamping force against the
  • Transport drum 3 is pressed, and at least one further layer in which the terminal strip 27 is arranged spaced from the fabric 13 and thus exerts no force on the fabric 13.
  • the at least one tool 21 is arranged in the conveying direction between the brush roller 23 and the terminal block 27. If a sheet 13 is to be processed orthogonal to the conveying direction with the tool 21, the
  • the rotating brush roller 23 can ensure that the sheet 13 at the
  • Transport drum 3 is applied, and that the
  • Processing point of the fabric 13 is as free as possible of tensile forces.
  • Terminal block 27 withdrawn.
  • the fabric 13 or the two separate sections of the fabric 13 can be further promoted by rotating the transport drum 3.
  • the advancing portion of the sheet 13 by the opposite direction of rotation to the transport drum 3 further rotating brush roller 23 held on the transport drum 3.
  • Transport drum 3 is taken, the brush roller 23 can be withdrawn.
  • At least one of the two pivot arms 10 may comprise a toothed drive wheel or pinion 31, which meshes with an adjacent sprocket 33 on the respective side of the machine frame 5.
  • both pivot arms 10 each comprise a pinion gear 31.
  • Sprockets 33 is preferably formed on the inside.
  • the sprockets 33 preferably extend only over a portion of a full circle, as shown in FIG. This allows a more compact structure of the role plotter.
  • Swivel arms 10 each arranged a motor for driving the associated pinion 31. These motors are operated synchronously. Due to the two-sided drive can
  • the Further tools 21 may also be arranged on a tool carrier 19", which is connected directly to the guide rail 7 "or the machine frame 5.
  • this tool carrier 19" can be mounted on the
  • Drive drum 3 is moved radially in the direction of the axis A3 "between a rest position and a working position and / or rotated about the axis A3".
  • the further guide rail 7 " is arranged stationarily on the machine frame 5.
  • the second guide rail 7" could be movably connected to the machine frame 5 analogously to the first guide rail 7.
  • a guide drum 15b, 15c is arranged upstream of and downstream of the tool 21 ", these guide drums 15b, 15c being drivable, for example
  • the guide drums 15b, 15c may be relative to
  • Transport drum 3 controlled by the controller 1 to be motorized displaced. Thereby, the distance between the guide drums 15b, 15c and the
  • Transport drum 3 is changed and adjusted, for example, according to the thickness of the sheet 13 to be processed.
  • the pressing force with which the fabric 13 is pressed by the guide drums 15b, 15c against the transport drum 3 can thus be changed.
  • the arrangement and guidance of the fabric 13 at the processing site can be improved. at Demand, the sheet 13 at the
  • Processing location e.g. by specifying appropriate positive or negative values for the speeds of the
  • Guide drums 15a, 15b defined depending on the speed of the transport drum 3 are tightened. This is particularly advantageous in multilayer and / or
  • elastically deformable sheets 13 such as e.g.
  • Sheet 13 transverse to the conveying direction prevent the guide drums 15b, 15c from sliding away portions of the sheet 13. Separated sections are securely held in contact with the transport drum 3.
  • FIG. 4 shows, by way of example, a fabric 13 that can be used with a roll plotter during transport in
  • Conveying direction is processed by a plurality of tools 21, 21 ", in which case the following work steps are carried out: a) Creation of three parallel wave-shaped
  • the processing of the sheet 13 may e.g.
  • the following process steps include:
  • the transport drum 3 conveys the fabric 13 at a constant rotational speed in the conveying direction indicated by the arrow PI.
  • the laterally arranged slitters continuously cut the
  • the guide rail 7 is pivoted at the same speed as that of the transport drum 3.
  • the cross cutter cuts the fabric 13 along the front transverse edge 41.
  • an ultrasonic sonotrode for sealing the cut edge could also be arranged in the cross cutter. Thereafter, the carriage 9 with the ultrasonic sonotrodes transversely to the conveying direction and optionally the pivotable guide rail 7 in

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un traceur comportant un tambour de transport (3) et un rail de guidage (7) pouvant pivoter tout autour du tambour de transport (3). Au moins un outil (21) avec lequel la structure plane (13) est travaillée le long d'un contour prédéterminé est monté sur le rail de guidage (7). Lors du traitement de la structure plane (13), le mouvement relatif de l'outil (21) et de la structure plane (13) est déterminé dans une direction de transport par les mouvements de la structure plane (13) et de l'outil dans de la direction de transport ou à l'opposé de ladite direction de transport.
PCT/EP2019/054154 2018-02-23 2019-02-20 Traceur à rouleaux WO2019162297A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00222/18A CH714676A2 (de) 2018-02-23 2018-02-23 Rollenplottersystem.
CH00222/18 2018-02-23

Publications (1)

Publication Number Publication Date
WO2019162297A1 true WO2019162297A1 (fr) 2019-08-29

Family

ID=65516621

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2019/054147 WO2019162291A1 (fr) 2018-02-23 2019-02-20 Système de table traçante à rouleaux
PCT/EP2019/054154 WO2019162297A1 (fr) 2018-02-23 2019-02-20 Traceur à rouleaux

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/054147 WO2019162291A1 (fr) 2018-02-23 2019-02-20 Système de table traçante à rouleaux

Country Status (2)

Country Link
CH (1) CH714676A2 (fr)
WO (2) WO2019162291A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188170A (en) * 1986-03-20 1987-09-23 Gerber Garment Technology Inc Method and apparatus for cutting parts from pieces of irregularly shaped and sized sheet material
EP0276027A2 (fr) 1982-07-26 1988-07-27 Gerber Scientific Products, Inc. Dispositif pour couper des feuilles
WO2000020312A1 (fr) * 1998-10-02 2000-04-13 North Sails Group Procede continu pour la fabrication d'une voile tridimensionnelle
WO2016006007A1 (fr) * 2014-07-10 2016-01-14 Camoga S.P.A. Dispositif pour la détection, le marquage et la coupe du cuir

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1000996A6 (nl) * 1987-10-15 1989-05-30 Ceuster Ludo De Wagentje voor een z.g. snijder-plotter.
US6843155B2 (en) * 1998-06-15 2005-01-18 William J. Slyne Pattern cutting
WO2014130747A1 (fr) * 2013-02-20 2014-08-28 Provo Craft & Novelty, Inc. Machine de coupe électronique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276027A2 (fr) 1982-07-26 1988-07-27 Gerber Scientific Products, Inc. Dispositif pour couper des feuilles
GB2188170A (en) * 1986-03-20 1987-09-23 Gerber Garment Technology Inc Method and apparatus for cutting parts from pieces of irregularly shaped and sized sheet material
WO2000020312A1 (fr) * 1998-10-02 2000-04-13 North Sails Group Procede continu pour la fabrication d'une voile tridimensionnelle
WO2016006007A1 (fr) * 2014-07-10 2016-01-14 Camoga S.P.A. Dispositif pour la détection, le marquage et la coupe du cuir

Also Published As

Publication number Publication date
WO2019162291A1 (fr) 2019-08-29
CH714676A2 (de) 2019-08-30

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