EP0275794A1 - Schneidverfahren und Vorrichtung für eine gemusterte Stoffbahn - Google Patents

Schneidverfahren und Vorrichtung für eine gemusterte Stoffbahn Download PDF

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Publication number
EP0275794A1
EP0275794A1 EP87402992A EP87402992A EP0275794A1 EP 0275794 A1 EP0275794 A1 EP 0275794A1 EP 87402992 A EP87402992 A EP 87402992A EP 87402992 A EP87402992 A EP 87402992A EP 0275794 A1 EP0275794 A1 EP 0275794A1
Authority
EP
European Patent Office
Prior art keywords
fabric
piece
pattern
computer system
pieces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87402992A
Other languages
English (en)
French (fr)
Other versions
EP0275794B1 (de
Inventor
Jean-Marc Loriot
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.)
Vestra SA
Original Assignee
Vestra SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9342535&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0275794(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Vestra SA filed Critical Vestra SA
Priority to AT87402992T priority Critical patent/ATE64065T1/de
Publication of EP0275794A1 publication Critical patent/EP0275794A1/de
Application granted granted Critical
Publication of EP0275794B1 publication Critical patent/EP0275794B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • B26D5/005—Computer numerical control means
    • 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
    • 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
    • B26D2005/002—Performing a pattern matching operation

Definitions

  • the present invention relates to a method and device for cutting parts from a sheet material whose pattern is periodically repetitive in one or two directions, such as a checkered fabric for example.
  • the pattern of the fabric is repetitive in two directions, for example in the case of a plaid fabric, it is preferable, from an aesthetic point of view, that the designs of the pattern correspond to the junctions between at least certain pieces.
  • a plaid jacket we seek to align the horizontal lines of the front with those of the sleeve, at the armhole.
  • it may be preferable not to interrupt the continuity of the lines of the checkered pattern in the case of a patch pocket or a pocket flap. Alignment of the pattern with certain parts of the outline of a part or symmetries in positioning the pattern between parts to be cut may also be desirable.
  • the pieces of fabric are cut in the following way: after having cut a reference piece, or after having fixed its position on the piece of fabric, one chooses on its outline and on the outline of a second piece of the so-called correspondence points, which will have to correspond once the pieces are sewn together, whether the fabric is plaid or not.
  • a template for example made of paper, is then placed on the piece of plaid fabric, the dimensions of the second piece, so that the patterns of the plaid fabric correspond at the level of said correspondence points, in order to obtain continuity. sought for the pattern after assembling the two parts.
  • the object of the present invention is to provide a method and device for positioning and cutting pieces in a fabric with tiles or similar patterns which does not require human intervention directly on the templates of the pieces or on the fabric, said device in most cases allowing full support for the positioning and cutting of said pieces from their shapes and a given cutting plane, to take into account among other constraints the need to match the patterns of the fabric a once the pieces are assembled, for example to make a garment.
  • the position of these parts being already determined on the piece of fabric for at least certain parts with a margin of an elementary half-pattern, comprises the following steps: - place the piece of fabric on a cutting table; - store in a computer system, in particular of the kind comprising at least one computer, loaded with appropriate software, the shapes, positions and orientations of the pieces to be cut, a margin corresponding to at least a half-pattern being reserved between the contours of said certain parts in one or two directions as well as the position of the points which must coincide on the parts after assembly; - for each correspondence of points, take a couple of images of said piece of fabric, each image being substantially centered on one of said points, using at least one camera connected to said computer system, placed above said piece of fabric, its coordinates in a reference linked to the
  • said images are digitized and captured by the computer system loaded by more elaborate software, and the computer system analyzes the pattern and itself assesses the corrections to be made to correct said shifts, to define the new cutting program. To do this, the computer system itself searches for the best possible correspondence between the patterns in the direction in which they must correspond.
  • the invention makes it possible to complete a process of cutting pieces in a fabric with periodic patterns in one or two dimensions, starting only from the shapes and orientations of these pieces and knowledge of matching points, as soon as the piece of fabric is placed on a cutting table.
  • a device for implementing the method of the present invention mainly comprises: - a video camera, matrix or linear, - a mobile support above a fixed table, a computer system, in particular of the type comprising at least one computer, - a computer terminal equipped with a control screen and an input accessory, - an image storage device.
  • the camera is secured to the mobile support and the computer system controls the position of said support.
  • Said camera is connected to the computer system by means of the image storage device, and the computer system can store images, coming from said camera, of a piece of fabric spread on the cutting table. . These images are associated by the computer system with the position of the camera above the piece of fabric.
  • the computer system has in memory a cutting plan indicating to it the shapes, orientations and positions of the pieces to be cut from the piece of fabric, relative to the cutting table or possibly relative to marks carried on the piece of fabric, as well as the compulsory correspondence point positions between the parts at assembly.
  • a margin of at least half a pattern is reserved around some of the pieces to be cut, in one or in two directions.
  • the computer system orders the camera to position itself above the piece of fabric so as to send it a first image of the fabric centered on a point of correspondence of a so-called reference piece with which the patterns of other pieces will be aligned.
  • the computer system then keeps this first image in memory, and orders the camera to move to the right of the corresponding correspondence point of another room.
  • the computer system stores the second image sent by the camera and displays on the control screen either the two superimposed images, with the possibility of adjusting the brightness of each image separately, or two half-images cut and juxtaposed on a line passing through the connecting points.
  • said computer system comprises two computers, a first computer which controls the position of the camera above the piece of fabric, and a second computer, connected to the first, which notably supports image processing and dialogue with the operator, or even the search for said correction.
  • the first computer can then be the one that also controls the path of a knife to cut the piece of fabric.
  • - Said at least one camera is fixed and sends to said computer system an overall image of at least part of said piece of fabric, said computer system extracting from said overall image said pairs of images; - Said at least one camera is moved above the piece of fabric.
  • FIG. 1 is a block diagram of a device according to the invention
  • - Figure 2 shows a cutting plane for the device according to the invention
  • - Figures 3a and 3b show displays of the screen of the device according to the invention.
  • a piece of fabric 1 is placed on a cutting table 2.
  • a matrix video camera 3 is secured to a mobile support 4 which can move above the cutting table.
  • the camera is connected to a computer 5 by means of an image storage device 6.
  • the mobile support 4 is connected to the computer so that the latter can control the position of the camera 3 above the cutting table 2.
  • a computer terminal 7 comprising a control screen 8, a keyboard 9 and an input accessory 10 is also connected to the computer 5.
  • the computer 5 can control the mobile support 4, and receives images of the piece of fabric from camera 3. Thanks to the image storage device, it can store the images of its choice in memory for further processing.
  • a cutting plane 11 has been drawn in a rectangular frame which can correspond to the format of the piece of fabric with a repeating pattern from which one will cut pieces. This is a simple case where only two pieces are to be cut, a first reference piece 12 and a second piece 13 materialized by their contours in the drawing. Once the two pieces are assembled, points A and B, respectively on the first piece and the second piece, must coincide for the assembly to be correct, regardless of the pattern of the fabric. Points A and B are called correspondence points. Margins 14, 15 of a half-pattern wide have been provided on either side of the second part 13, in one direction.
  • the information which is contained in the cutting plane of FIG. 2 is put in the memory of the computer 5.
  • the computer then orders the support 4 of the camera 5, which is directed perpendicularly towards the cutting table on which is spread. the piece of fabric 1, to come to place so that the camera takes a first image of the piece of fabric which is centered on the point of correspondence A.
  • the computer requests the support to place the camera above the correspondence point B, so that the camera can send it a second image of the piece of fabric which is centered on the correspondence point B
  • the computer then processes these two images for display on the control screen 8 of the terminal 7 of the computer.
  • FIG. 3a shows the display which a user of the device of FIG. 1 has in front of him to proceed with the precise positioning of the cutout of the piece 13 in the piece of fabric 1.
  • the computer displays on the left part of the screen 8 part of said first image, and on the right part of the screen part of said second image, as well as the contours of the two parts 12 and 13. Both image parts are juxtaposed on the screen and separated by a dividing line 16 passing through the two correspondence points A and B combined on the screen. Before the user intervenes, the patterns of the images of the piece of fabric do not generally correspond along the dividing line 16, as shown in FIG. 3a.
  • the user has the possibility of shifting the patterns from one of said image parts, here that on the right, until bringing them in correspondence along the separation line 16, as shown in Figure 3b.
  • the user can act either on the keyboard 9 or on the input accessory 10 of the computer.
  • the operator validates the correction using a key on the keyboard 9, and l computer then knows the correction that it must bring to the cutting plan to define a new cutting program such that the continuity of the pattern will be respected at the level of the assembly of the two parts.
  • control screen is no longer necessary because the computer, loaded with more sophisticated software, alone determines the corrections to be made.
  • a part can be repositioned in relation to two other parts, which means determining two corrections, in two different directions. For this, more than two images can be displayed on the screen.
  • the computer can control the cutting of this part, while continuing to correct the positioning of other parts, which represents an appreciable saving of time.
  • the device of the invention can be used to correct on the screen interactively or automatically the position or orientation of the pattern relative to the contours of the pieces to be cut. Corrections can be decided based on different aesthetic criteria such as the orientation of the pattern in relation to a seam, the search for symmetry in positioning the pattern in relation to an assembly between symmetrical pieces, or the place that must occupy the pattern on the piece to be cut.
  • the invention has been described with a view to cutting, but it also applies to other interventions on an object marked by a periodic or repetitive pattern, such as machining, marking, etc. of course applies to the work other materials by the fabric, such as all sheet or plate materials which have a repeating pattern in one or more directions.
  • the invention is also applicable to positioning and cutting in space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Control Of Cutting Processes (AREA)
  • Shovels (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP87402992A 1986-12-31 1987-12-28 Schneidverfahren und Vorrichtung für eine gemusterte Stoffbahn Expired - Lifetime EP0275794B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87402992T ATE64065T1 (de) 1986-12-31 1987-12-28 Schneidverfahren und vorrichtung fuer eine gemusterte stoffbahn.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8618490A FR2608960B1 (fr) 1986-12-31 1986-12-31 Procede et dispositif de decoupage d'un tissu a motif repetitif
FR8618490 1986-12-31

Publications (2)

Publication Number Publication Date
EP0275794A1 true EP0275794A1 (de) 1988-07-27
EP0275794B1 EP0275794B1 (de) 1991-06-05

Family

ID=9342535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87402992A Expired - Lifetime EP0275794B1 (de) 1986-12-31 1987-12-28 Schneidverfahren und Vorrichtung für eine gemusterte Stoffbahn

Country Status (7)

Country Link
US (1) US4905159A (de)
EP (1) EP0275794B1 (de)
JP (1) JPS63190071A (de)
AT (1) ATE64065T1 (de)
BR (1) BR8707161A (de)
DE (1) DE3770614D1 (de)
FR (1) FR2608960B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659899A1 (fr) * 1990-03-23 1991-09-27 Gravurex Procede pour effectuer automatiquement une operation sur des motifs realises dans une meme bande de materiau souple, et dispositif de mise en óoeuvre de ce procede.
EP0518473A2 (de) * 1991-05-02 1992-12-16 Gerber Garment Technology, Inc. System zum Zuschneiden von Kleidungsstücken mit rechnergestützter Ausrichtung von Zuschneidermustern
EP0577842A1 (de) * 1992-01-08 1994-01-12 SHIMA SEIKI MFG., Ltd. Verfahren und vorrichtung um die übereinstimmung von mustern zu erreichen in automatischen schneidmaschinen
FR2702781A1 (fr) * 1993-03-17 1994-09-23 Mitsubishi Electric Corp Machine de coupe et procédé de prélèvement des pièces y afférent.

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JPH04240261A (ja) * 1991-01-24 1992-08-27 Hitachi Ltd 画像認識装置及び柄合せ裁断装置
US5319566A (en) * 1991-02-15 1994-06-07 Janome Sewing Machine Co., Ltd. Embroidering data production system
GB9216643D0 (en) * 1992-08-05 1992-09-16 Univ Loughborough Automatic operations on materials
US5530652A (en) * 1993-08-11 1996-06-25 Levi Strauss & Co. Automatic garment inspection and measurement system
US5768135A (en) * 1994-08-12 1998-06-16 Custom Clothing Technology Corporation Custom apparel manufacturing apparatus and method
US5508936A (en) * 1994-08-12 1996-04-16 Gerber Garment Technology, Inc. Garment marker system and method having computer assisted alignment with symmetric cloth patterns
FR2731595B1 (fr) * 1995-03-17 1997-06-06 Lectra Systemes Sa Procede pour la coupe automatique de pieces dans un tissu a motif
US5691923A (en) * 1995-04-25 1997-11-25 Levi Strauss & Co. Digital measuring system
US5790687A (en) * 1996-06-18 1998-08-04 Levi Strauss & Co. Method and apparatus for the optical determination of the orientation of a garment workpiece
DE19651954A1 (de) * 1996-12-13 1998-06-18 Bayer Bitterfeld Gmbh Vorrichtung zum Schneiden einer Streifenverpackung
US6434444B2 (en) 1997-03-12 2002-08-13 Gerber Technology, Inc. Method and apparatus for transforming a part periphery to be cut from a patterned sheet material
US6203879B1 (en) 1997-10-24 2001-03-20 Mannington Carpets, Inc. Repeating series of carpet tiles, and method for cutting and laying thereof
US6197400B1 (en) 1997-10-24 2001-03-06 Mannington Carpets, Inc. Repeating series of tiles
US6314334B1 (en) * 1998-04-07 2001-11-06 Measurecomp Method and automated system for analizing a surface area to provide a detailed material specification for fitting and cutting material to be disposed on the analized surface area
US6353770B1 (en) 1999-05-26 2002-03-05 Levi Strauss & Co. Apparatus and method for the remote production of customized clothing
DE10013344A1 (de) * 2000-03-17 2001-09-20 Horst Kind Gmbh Verfahren und Vorrichtung zum Führen eines Laserstrahls über ein Objekt
US6580962B2 (en) * 2001-08-10 2003-06-17 Gerber Technology, Inc. Method for aligning a spatial array of pattern pieces comprising a marker method
DE60217280T8 (de) * 2001-12-10 2008-02-21 Lectra Canada Inc., Montreal Vorrichtung zum Schneiden von Formen, welche in einer fortlaufenden Abfolge eines plattenförmigen Materials enthalten sind
DE10223375A1 (de) 2002-05-25 2004-04-01 Owayo Gmbh Verfahren zum Herstellen von bedruckten Bekleidungsstücken aus Stoff
US7079916B2 (en) * 2002-06-21 2006-07-18 Ultrashield, Llc. On demand mobile manufacture of vehicle protection application kits
WO2005065367A2 (en) * 2003-12-31 2005-07-21 3M Innovative Properties Company Maximation of yield for web-based articles
US7623699B2 (en) 2004-04-19 2009-11-24 3M Innovative Properties Company Apparatus and method for the automated marking of defects on webs of material
US20050256603A1 (en) * 2004-04-28 2005-11-17 Nathan Cloud System and apparatus for cutting out custom apparel patterns from fabric
US7542821B2 (en) * 2007-07-26 2009-06-02 3M Innovative Properties Company Multi-unit process spatial synchronization of image inspection systems
US20090028417A1 (en) * 2007-07-26 2009-01-29 3M Innovative Properties Company Fiducial marking for multi-unit process spatial synchronization
US8175739B2 (en) * 2007-07-26 2012-05-08 3M Innovative Properties Company Multi-unit process spatial synchronization
US7797133B2 (en) * 2008-09-10 2010-09-14 3M Innovative Properties Company Multi-roller registered repeat defect detection of a web process line
DE102008058561A1 (de) * 2008-11-21 2010-05-27 Caroline Glasow Verfahren zur Herstellung von zwei oder mehr Schnittteilen
JP4592808B1 (ja) * 2009-06-24 2010-12-08 有限会社ナムックス 裁断装置
DE102011108939A1 (de) 2011-07-29 2013-01-31 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verfahren zum Schneiden von Packungen
CN103640047A (zh) * 2013-11-25 2014-03-19 银川博聚工业产品设计有限公司 照片自动切割装置
DE102014017501A1 (de) * 2014-11-27 2016-06-02 Gunnar Held Verfahren zum Ausschneiden von Gegenständen aus einer zumindest teilweise zweilagigen Materialbahn mittels einer Schneidvorrichtung
US10750810B2 (en) * 2017-12-24 2020-08-25 Jo-Ann Stores, Llc Method of projecting sewing pattern pieces onto fabric
FR3097462B1 (fr) * 2019-06-21 2021-07-02 Lectra Procédé de placement de pièces destinées à être découpées de façon automatique dans un tissu à motif
CN112111613B (zh) * 2020-09-16 2022-03-29 杭州爱科科技股份有限公司 皮料的自动化裁剪方法、装置、系统及可读存储介质

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DE3519806A1 (de) * 1985-02-01 1986-08-07 Investronica, S.A., Madrid Verfahren und vorrichtung zur anpassung der muster von zuschnitten vor dem schneiden aus bahnenfoermigem gemusterten material
EP0239665A2 (de) * 1986-04-02 1987-10-07 Investronica S.A. Verfahren und Vorrichtung zum automatischen Zuschneiden von gemustertem Textilmaterial

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US4758960A (en) * 1986-05-30 1988-07-19 Krauss Und Reichert Gmbh & Co. Kg Spezialmaschinenfabrik Method of cutting out faultless pattern pieces
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Publication number Priority date Publication date Assignee Title
DE2731741A1 (de) * 1976-08-25 1978-03-02 Cottbus Textilkombinat Verfahren und vorrichtung zur fehlerumgehung im zuschnitt
FR2548077A1 (fr) * 1983-06-30 1985-01-04 Gerber Scient Inc Appareil pour aider un operateur a resoudre les problemes poses par les defauts des etoffes
DE3519806A1 (de) * 1985-02-01 1986-08-07 Investronica, S.A., Madrid Verfahren und vorrichtung zur anpassung der muster von zuschnitten vor dem schneiden aus bahnenfoermigem gemusterten material
EP0239665A2 (de) * 1986-04-02 1987-10-07 Investronica S.A. Verfahren und Vorrichtung zum automatischen Zuschneiden von gemustertem Textilmaterial

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659899A1 (fr) * 1990-03-23 1991-09-27 Gravurex Procede pour effectuer automatiquement une operation sur des motifs realises dans une meme bande de materiau souple, et dispositif de mise en óoeuvre de ce procede.
EP0518473A2 (de) * 1991-05-02 1992-12-16 Gerber Garment Technology, Inc. System zum Zuschneiden von Kleidungsstücken mit rechnergestützter Ausrichtung von Zuschneidermustern
EP0518473A3 (de) * 1991-05-02 1994-04-06 Gerber Garment Technology Inc
EP0577842A1 (de) * 1992-01-08 1994-01-12 SHIMA SEIKI MFG., Ltd. Verfahren und vorrichtung um die übereinstimmung von mustern zu erreichen in automatischen schneidmaschinen
EP0577842A4 (en) * 1992-01-08 1994-08-10 Shima Seiki Mfg Pattern matching method and apparatus for automatic cutting machines
FR2702781A1 (fr) * 1993-03-17 1994-09-23 Mitsubishi Electric Corp Machine de coupe et procédé de prélèvement des pièces y afférent.

Also Published As

Publication number Publication date
BR8707161A (pt) 1988-08-16
US4905159A (en) 1990-02-27
DE3770614D1 (de) 1991-07-11
JPS63190071A (ja) 1988-08-05
ATE64065T1 (de) 1991-06-15
FR2608960B1 (fr) 1989-11-24
EP0275794B1 (de) 1991-06-05
FR2608960A1 (fr) 1988-07-01

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