WO2017202606A1 - Procédé de production de sacs gonflables et dispositif pour découper des sacs gonflables dans une bande de tissu - Google Patents

Procédé de production de sacs gonflables et dispositif pour découper des sacs gonflables dans une bande de tissu Download PDF

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Publication number
WO2017202606A1
WO2017202606A1 PCT/EP2017/061119 EP2017061119W WO2017202606A1 WO 2017202606 A1 WO2017202606 A1 WO 2017202606A1 EP 2017061119 W EP2017061119 W EP 2017061119W WO 2017202606 A1 WO2017202606 A1 WO 2017202606A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric web
airbag
gas bags
cutting
laser
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.)
Ceased
Application number
PCT/EP2017/061119
Other languages
German (de)
English (en)
Inventor
Ralf Köhnen
Simon Valkenburg
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.)
Autoliv Development AB
Original Assignee
Autoliv Development AB
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 Autoliv Development AB filed Critical Autoliv Development AB
Publication of WO2017202606A1 publication Critical patent/WO2017202606A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • D06H7/24—Devices specially adapted for cutting-out samples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/083—Devices involving movement of the workpiece in at least one axial direction
    • B23K26/0838—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt
    • B23K26/0846—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt for moving elongated workpieces longitudinally, e.g. wire or strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0869—Devices involving movement of the laser head in at least one axial direction
    • B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • 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
    • B26D5/007—Control means comprising cameras, vision or image processing systems

Definitions

  • the present invention relates to a method with the features of the preamble of claim 1 and an apparatus having the features of the preamble of claim 9.
  • Airbags for motor vehicles are also referred to as airbags and are cut out of a two-ply fabric web.
  • the two webs of the fabric web are connected to each other according to a predetermined outer contour and at predetermined intermediate points, so that they have a defined outer geometry and different chambers with a defined geometry after the cutting.
  • inlet and connection nozzles are also provided on the gas bags, via which a gas generator can be connected to the gas bag and the gas flow generated by the gas generator can be introduced into the gas bag.
  • the connection of the two fabric layers can be effected by a one-piece weaving process (OPW-One Piece Woven), by fusing or gluing or by sewing on the two fabric webs.
  • the gas bags are woven in an endless, two-ply fabric web, which are connected simultaneously or subsequently.
  • the finished gas bags are then cut out of the fabric web by means of a laser cutting device, wherein the remaining sections of the fabric webs fall between the gas bags as a waste.
  • the fabric web is passed through the device by means of a suitable transport device, and in particular through the stationary laser cutting device drawn.
  • the laser cutting device one or more movable lasers are provided which are respectively directed onto the fabric web with their laser beam and can be driven by means of a drive device to move relative to the web of fabric moved past. Due to the movements of the laser relative to the moving fabric web, the gas bags are then cut out without contact.
  • the geometry of the cut-out airbag results from a superposition of the movement of the fabric web and of the laser.
  • the laser is moved along the outer contour of the airbag to be cut out over the stationary fabric web.
  • an optical detection device is provided, which is arranged in the direction of movement of the fabric web upstream of the laser device.
  • optical markings such as threads differing in color from the fabric of the fabric webs or also printed markers, are provided in the woven web, which mark the position of the respective airbag to be cut out in the web.
  • the identification device is designed and aligned in such a way that the markings are recognized without contact by the optical detection device, whereupon a corresponding control signal for activating the respective drive device of a laser is generated.
  • the drive device then drives the laser according to a predetermined movement sequence to a defined movement with respect to the past moving fabric web, whereby the gas bag is cut out of the fabric web according to a predetermined contour.
  • Such a device is known, for example, from EP 1 321 839 B1.
  • a plurality of identical gas bags arranged parallel to one another are simultaneously cut out with the laser cutting device from an overly wide fabric web, whereby a very high production capacity can be achieved.
  • a disadvantage of such a solution is that, if short-term other gas bags are to be manufactured with a different geometry, this is only possible by another fabric web is inserted with gas bags arranged in a different geometry, and the laser cutting device For cutting the other gas bags is accordingly converted or reprogrammed.
  • a method is proposed to solve the problem, in which different airbags are provided with a different shape in the fabric web, and the laser cutting device by a control device to a with respect to the shape of the cut out gas bag Gasbagindividualelleen cutting process is controlled.
  • the proposed solution makes it possible to produce gas bags with different shapes with reduced effort, by first being woven in a fabric web and then being cut out of the fabric web by means of the laser cutting device by means of the cutting process tailored to the shape of the gas bag ,
  • the step of the gas bag-individualized cutting out of the gas bag is of particular importance for the invention, since this means that the material already present in the fabric web is present.
  • existing different airbags are cut out by a specially tailored to the novel arrangement and shape of the airbags cutting process from the fabric web.
  • the gas bags may be arranged or woven in the fabric web in terms of shape and number in the sense of optimum area utilization and order entries in the fabric web, so that gas bags for vehicle types with a smaller number of pieces in a fabric web - Together with gas bags of a vehicle type with a large
  • the tissue web with the different gas bags is then introduced into the device with the laser cutting device and the gas bags are then cut out corresponding to the gas bag individually.
  • the hitherto required change of the fabric webs for the production of gas bags with a different shape is no longer required, whereby the production time can be significantly reduced.
  • different gas bags can be arranged so that the area utilization is greater and the cut of the fabric webs is lower.
  • both a different number and different types of gas bags can be arranged across the width of the fabric web and also different gas sacks in the longitudinal direction in the fabric web and cut out of it.
  • a storage unit with a plurality of data sets assigned to the various gas bags can be provided, wherein the laser cutting device is triggered by the call of a data record by the control device for cutting out an airbag.
  • the data records include corresponding gasbag-related data for controlling the drive device of the vehicle. so that it is moved in relation to the passing fabric web so that the respective airbag is cut out of the fabric web according to its woven, individual shape.
  • the data sets may be part of a production protocol of the fabric web in a previous manufacturing process.
  • the protocol is created during the production of the fabric web or includes information about which airbags are contained in which arrangement and sequence in the fabric web.
  • the datasets may additionally contain information on how the gas bags are woven, along which outer contour the gas bags are to be cut out of the fabric web, and how the gas bags are arranged and aligned in the fabric web.
  • a detection device arranged in relation to the direction of movement of the fabric web upstream of the laser cutting device be provided, and that the laser cutting device be controlled as a function of the signal of the identification device.
  • the type and outer shape of the gasket including its arrangement and orientation, can be actively and immediately detected in the fabric web before the fabric web enters the laser cutting device.
  • the shape, the orientation and the arrangement of the airbag in the fabric web can be detected by means of a web structure which changes over the surface of the web of fabric or striking color changes by the recognition device.
  • the data records can also be generated by a recognition of the shape of the airbag by the identification device and / or in dependence on a signal of the recognition process. be called from the memory unit.
  • the recognition device drives off the surface of the fabric web and generates from the detected changes of the weaving structure or the surface the data records for the control of the subsequent laser cutting device.
  • the detection device can detect the type of airbag including the position in the fabric web only on the basis of distinctive points, whereupon then the associated record is called from the memory unit and the laser cutting device is driven accordingly.
  • the data records are only generated by the recognition device, this can compensate for an imbalance of the fabric web deviating from a desired position in the device since the position of the airbag to be cut out is detected directly before entering the laser cutting device and the data record is detected the basis of the detected actual position is generated. In this case, the record will be the same as the one that failed
  • the datasets relate to a fastening section of the respective airbag, and the outer contour of the airbag cut by the laser cutting device by a combination of the fixing section specified by the data record and a section of the outer edge of the airbag determined by the recognition of the identification device formed in the fabric web.
  • the fastening section is defined by the various fastening points of the airbag and the attachment tabs arranged thereon and is of particular importance, since the alignment of the attachment points and the relative position of the attachment points to each other must necessarily correspond to the predetermined dimensions, so that the airbag can be attached to the provided in the vehicle attachment points.
  • the outer contour of the gas bag is important for the attachment of secondary importance and only for the retention characteristic in the inflated state.
  • the outer contour is individually cut out here after the outer contour determined by the recognition device.
  • a hybrid cutting is realized from a mixture of a cutting process in accordance with predetermined data for the fastening section and correspondingly determined actual data for the remaining outer contour of the airbag.
  • the fastening section thus corresponds to the predetermined desired geometry, while the remaining outer contour following the fastening section is individually cut out of the fabric web as a function of the data determined by the detection device.
  • markings associated with the gas bags and individualized with respect to the shape of the gas bags may be provided on the fabric web, which are detected by the recognition device, the laser cutting device being associated with the marking for cutting one of the markings Airbag is controlled.
  • the marking can contain, for example, information about the type and shape of the airbag, which, for example, by means of a corresponding code, enables an assignment of a corresponding data record for cutting out the airbag.
  • the marking can, for example by its position itself, provide information about the position and orientation of the airbag in the tissue lane by being arranged in principle in a defined position and orientation to the gas bag.
  • the marking can also be assigned to the fastening section in a defined orientation and position, for example.
  • the marking is machine-readable and can be formed by a barcode or QR code and thus contain a multiplicity of machine-readable information. For example, information about the type of airbag, the production day, the production site, information about the airbag itself, such as tissue type, coating or the type of gas generator arranged therein, may be included in the marking.
  • the recognition device may preferably comprise a digital image processing device which converts the optical images into digitally processable data which can be further processed by means of a suitable evaluation unit and arithmetic unit.
  • FIG. 1 shows a device for cutting out gas bags from a fabric web
  • 3 shows a fabric web with different gas bags in a second embodiment; and 4 shows an airbag with different cutting lines.
  • FIG. 1 shows a device according to the invention in which a fabric web 1 is transported in the direction of movement B by means of a transport device 100.
  • the transport device 100 is here formed by a driven roller which winds the fabric web 1 after cutting and pulls it away from a supply roll through the device.
  • the fabric web 1 rests on a table 4 and can be seen in Figures 2 and 3 in various embodiments viewed from above.
  • the fabric web 1 is pulled in the device during the movement in the direction of movement B first by a recognition device 3 and then by a laser cutting device 2.
  • the recognition device 3 comprises a digital image processing device 8 with at least one or more digital cameras which are placed on the fabric web 1 are directed.
  • the laser cutting device 2 at least one laser 16 is provided with a drive device 17 which, when activated, emits a laser beam 18 directed onto the fabric web.
  • the laser beam 18 is dimensioned in terms of its energy density, taking into account the transport speed of the fabric web 1, in such a way that it cuts through the fabric of the fabric web 1.
  • the drive device 17 additionally comprises a guide of the laser 16 transversely to the direction of movement B of the fabric web 1.
  • the drive device 17 drives the laser 16 to move transversely to the direction of movement B of the fabric web 1. If this is favorable for the cutting process, however, the laser 16 can also be driven in addition to a movement in and against the direction of movement of the fabric web 1, which is particularly useful if the fabric web 1 does not have is continuously transported through the device, but instead stands still during the cutting process.
  • the laser beam 18 is moved by the controlled movement of the laser 16 in a vertical orientation over the stationary tissue web 1 or transversely to the web 1 pulled through under the laser 16.
  • controllable linear drives with corresponding guide devices can preferably be used as drive devices 17.
  • control device 5 with a control panel 7 and a memory unit 6 are provided.
  • the signals generated by the recognition device 3 are supplied to the control device 5, which processes these and in turn transmits control signals to the laser device 2.
  • the fabric web 1 in the embodiment of Figure 2 has a plurality of gas bags 9 with associated markings 13 and 14.
  • the gas bags 9 have either a first shape I or a second shape II and are arranged in the fabric web 1, that transverse to the longitudinal direction of the fabric web 1 always identical gas bags 9 are arranged. Furthermore, the gas bags 9 of the different shapes I and II in the longitudinal direction of the fabric web 1 are always arranged alternately.
  • the markings 13 and 14 are formed in each case individually with respect to the first form I or the second form II of the associated airbag 9, whereby the assignment of the marking 13 or 14 to the respective airbag 9 is defined by the defined airbag Position of the marker 13 or 14 is set to the airbag 9.
  • the marking 13 or 14 is always arranged in the direction of movement B of the fabric web 1 downstream on the right-hand end side of the associated airbag 9.
  • the markers 13 and 14 are formed here by a bar code which has a plurality of Information about the associated airbag 9 contains.
  • the barcode may contain information about the type and exterior shape of the associated airbag 9.
  • FIG. 3 shows an alternative embodiment of a fabric web 1 with different gas bags 9 in different forms I to V.
  • the individual gas bags 9 are each assigned a gas bag-individualized marking 13.
  • three different gas bags 9 with the shapes I to III are arranged transversely to the longitudinal direction of the fabric web 1.
  • four gas bags 9 of two different forms IV and V are provided, which are arranged alternately in the transverse direction and in particular aligned so that they engage with their outer shapes, so that the surface of the fabric web 1 optimized for the use of the gas bags 9 is exploited.
  • outer lines of the adjoining airbags 9 can thereby be superimposed so that the length of the cutting lines to be cut with the laser 16 can be shortened.
  • the cut lines can be placed on top of one another, whereby a certain, non-inflatable supernatant on one of the gas bags 9 can be accepted if the two connecting lines of the two fabric layers of the various gas bags defining the inflatable geometries do not lie on top of each other ,
  • the arrangement and shapes of the various gas bags 9 in the fabric web 1 are determined by the upstream weaving process, wherein the selection of the various types of gas bags 9 to be woven and their arrangement in the fabric web 1 was made in accordance with a specification of an optimized production process ,
  • gas bags 9 with smaller numbers in a fabric web 1 can be used with other gas passages. 9 for larger numbers of vehicles arranged and cut in the device and manufactured without the fabric web 1 would have to be replaced for the preparation of the various gas bag 9.
  • previously unused areas of the fabric web 1 can be used for arranging and producing smaller gas bags 9, thereby further increasing the production capacity and reducing the waste.
  • the gas bag-individualized cutting out of the gas bags 9 takes place in a first step in that the fabric web 1 with the gas bags 9 arranged therein is moved through the recognition device 3.
  • the surface of the tissue web 1 is scanned by the digital camera of the image processing device 8, which then converts the scanned images into digital data, which are fed to the control device 5 via a signal line.
  • the detection device 3 can detect both the outer contours and connecting lines within an airbag 9 and generate therefrom a corresponding data record which is fed to the control device 5. Alternatively, the recognition device 3 can also scan only the markings 13, 14 associated with the gas bags 9 and generate a corresponding signal from this and feed it to the control device 5.
  • a signal is then transmitted to the storage unit 6 in the control device 5 and a gas-bag-related data set stored there is forwarded to the control device 5, which then transmits a corresponding drive signal to the laser cutting device 2.
  • a gas-bag-related data set stored there is forwarded to the control device 5, which then transmits a corresponding drive signal to the laser cutting device 2.
  • detected outer contour of the Gassa- ckes 9 are further processed in the control device 5 itself and used to control the laser cutting device 2 without the call of a separate record.
  • the identification device 3 and the laser cutting device 2 thus form, together with the intermediate control device 5 and the storage unit 6, a device which enables gas bag individualized cutting out of the gas bags 9 from the fabric web 1, which in turn optimizes the gas bags 9 in the fabric web 1 can be arranged.
  • the detection device 3 can also be dispensed with by supplying to the control device 5 a data record associated with the fabric web 1 with the gas bags 9 arranged thereon, which data is e.g. is produced during the production of the fabric web 1 and contains the necessary information for a gas bag individualized cutting out of the gas bags 9.
  • the proposed solution offers the possibility of producing different gas bags 9 with a significantly reduced effort, since the previously required change of the fabric webs 1 deleted.
  • the operator can additionally enter data manually via the control panel 7 of the control device 5.
  • the control device 5 can also be networked with a control device, not shown, of a weave, so that the required data about the types, the position and the arrangement of the airbags 9 contained in the fabric web 1 can be transmitted directly.
  • FIG. 4 shows an airbag 9 which has been cut out of the fabric web 1 by means of a hybrid cutting according to the invention.
  • the outer contour of the airbag 9 sets composed of a mounting portion 20 and an outer edge.
  • the fastening section 20 comprises a plurality of fastening tabs 19 with fastening openings 15 arranged therein, which must be positioned in a defined orientation and arrangement relative to each other for fastening the gas bag 9 to a vehicle so that the gas bag 9 can be fastened in the vehicle.
  • a marking 12 is provided on the attachment section 20 at a defined position.
  • the cutting line to be cut by the laser 16 for the fixing portion 20 is shown by a broken line 11.
  • the other outer edge is in its shape for the attachment of minor importance. For this reason, the outer edge is detected by the recognition device 3 by utilizing changes in the weave pattern, radii or other changes in the surface that are present in the tissue and stored as a data record.
  • the intersection of the outer edge is shown as a dotted line 10.
  • the outer edge should be cut out as the airbag 9 lies in the fabric web 1, the airbag 9 becomes in the region of the fastening section 20 is cut by a record stored in the storage unit 6, which is selected by the recognition of the mark 12 on the mounting portion 20.
  • the control device 5 thus controls the laser device 2 for cutting the fastening section 20 according to a predetermined data record, so that the outer contour of the airbag 9 in the region of the fastening section 20 in each case corresponds to the predetermined outer contour of the fastening section 20.
  • the orientation and the beginning of the attachment portion 20 can in the fabric web 1 additionally be defined by the orientation and the position of the marking 12 in the fabric web.
  • the further outer edge of the gas bag 9 is cut in a gas bag-individualized manner as a function of the edge detected by the recognition device 3.
  • further arithmetic operations can be carried out in the control device 5, such as, for example, an averaging, by which the line 10 to be cut of the outer edge is aligned with the attachment portion 20.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Textile Engineering (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Air Bags (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

La présente invention concerne un procédé permettant de découper des sacs gonflables (9) dans une bande de tissu (1), procédé selon lequel il est prévu un dispositif de transport (100) pour transporter la bande de tissu (1) dans une direction de déplacement (B) et un dispositif de découpe au laser (2) comportant au moins un laser (16) qui émet un faisceau laser (18) dirigé sur la bande de tissu sous l'effet d'une activation pour découper les sacs gonflables (9), plusieurs sacs gonflables (9) de forme différente (I à V) étant prévus dans la bande de tissu (1) et le dispositif de découpe au laser (2) étant piloté pour effectuer une opération de coupe individualisée des sacs gonflables en termes de forme de sac gonflable (9) à découper. La présente invention concerne en outre sur un dispositif pour produire des sacs gonflables (9).
PCT/EP2017/061119 2016-05-24 2017-05-10 Procédé de production de sacs gonflables et dispositif pour découper des sacs gonflables dans une bande de tissu Ceased WO2017202606A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016208981.1 2016-05-24
DE102016208981.1A DE102016208981B4 (de) 2016-05-24 2016-05-24 Verfahren zur Herstellung von Gassäcken

Publications (1)

Publication Number Publication Date
WO2017202606A1 true WO2017202606A1 (fr) 2017-11-30

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ID=58692508

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/061119 Ceased WO2017202606A1 (fr) 2016-05-24 2017-05-10 Procédé de production de sacs gonflables et dispositif pour découper des sacs gonflables dans une bande de tissu

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DE (1) DE102016208981B4 (fr)
WO (1) WO2017202606A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2022053554A1 (fr) * 2020-09-09 2022-03-17 Hefa Holding Gmbh Procédé et dispositif de contrôle qualité automatisé pour des installations de découpe de matériaux flexibles

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US4901359A (en) * 1985-12-14 1990-02-13 Durkopp System Technik Gmbh Method and apparatus for automatically cutting material in standard patterns
WO1991017028A1 (fr) * 1990-04-30 1991-11-14 Krauss U. Reichert Gmbh + Co. Kg Spezialmaschinenfabrik Procede de decoupage d'une piece
EP1321839B1 (fr) 2001-12-10 2007-01-03 Lacent Technologies Inc. Système pour découper des motifs présents sur une ligne continue de matériau en bande
KR20150078872A (ko) * 2013-12-31 2015-07-08 코오롱인더스트리 주식회사 직물의 재단 방법
EP2911807A1 (fr) * 2012-10-25 2015-09-02 Oxford Performance Materials, Inc. Procédé d'encollage de fibres et articles manufacturés à partir de celles-ci

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US5333111A (en) * 1991-05-02 1994-07-26 Gerber Garment Technology, Inc. Garment cutting system having computer assisted pattern alignment
FR2731595B1 (fr) * 1995-03-17 1997-06-06 Lectra Systemes Sa Procede pour la coupe automatique de pieces dans un tissu a motif
JP3417345B2 (ja) * 1999-06-10 2003-06-16 豊田合成株式会社 エアバッグ構成部品用の原反およびエアバッグの縫製準備方法
CN1929926A (zh) 2004-02-25 2007-03-14 王子制纸株式会社 涂布片制造方法
US20070202262A1 (en) * 2004-04-06 2007-08-30 Automotive Safety Components International Gmbh & Process For Producing Coated Portions Of Woven Fabric

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Publication number Priority date Publication date Assignee Title
US4901359A (en) * 1985-12-14 1990-02-13 Durkopp System Technik Gmbh Method and apparatus for automatically cutting material in standard patterns
WO1991017028A1 (fr) * 1990-04-30 1991-11-14 Krauss U. Reichert Gmbh + Co. Kg Spezialmaschinenfabrik Procede de decoupage d'une piece
EP1321839B1 (fr) 2001-12-10 2007-01-03 Lacent Technologies Inc. Système pour découper des motifs présents sur une ligne continue de matériau en bande
EP2911807A1 (fr) * 2012-10-25 2015-09-02 Oxford Performance Materials, Inc. Procédé d'encollage de fibres et articles manufacturés à partir de celles-ci
KR20150078872A (ko) * 2013-12-31 2015-07-08 코오롱인더스트리 주식회사 직물의 재단 방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022053554A1 (fr) * 2020-09-09 2022-03-17 Hefa Holding Gmbh Procédé et dispositif de contrôle qualité automatisé pour des installations de découpe de matériaux flexibles
EP4211302A1 (fr) * 2020-09-09 2023-07-19 Hefa Holding Gmbh Procédé et dispositif de contrôle qualité automatisé pour des installations de découpe de matériaux flexibles
EP4211302B1 (fr) * 2020-09-09 2025-10-22 Hefa Holding Gmbh Procédé et dispositif de contrôle qualité automatisé pour des installations de découpe de matériaux flexibles

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DE102016208981B4 (de) 2019-04-18
DE102016208981A1 (de) 2017-11-30

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