EP2505705B1 - Dispositif de conception de tricot et procédé de conception - Google Patents

Dispositif de conception de tricot et procédé de conception Download PDF

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Publication number
EP2505705B1
EP2505705B1 EP10833110.9A EP10833110A EP2505705B1 EP 2505705 B1 EP2505705 B1 EP 2505705B1 EP 10833110 A EP10833110 A EP 10833110A EP 2505705 B1 EP2505705 B1 EP 2505705B1
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EP
European Patent Office
Prior art keywords
data
pattern data
stitches
knit
converting
Prior art date
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Active
Application number
EP10833110.9A
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German (de)
English (en)
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EP2505705A4 (fr
EP2505705A1 (fr
Inventor
Kenji Nishida
Kazuhiro Ariura
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.)
Shima Seiki Mfg Ltd
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Shima Seiki Mfg Ltd
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Publication date
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Publication of EP2505705A1 publication Critical patent/EP2505705A1/fr
Publication of EP2505705A4 publication Critical patent/EP2505705A4/fr
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Publication of EP2505705B1 publication Critical patent/EP2505705B1/fr
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B37/00—Auxiliary apparatus or devices for use with knitting machines
    • D04B37/02—Auxiliary apparatus or devices for use with knitting machines with weft knitting machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
    • D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
    • D04B15/78—Electrical devices
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/24—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics

Definitions

  • the present invention relates to knit design, and particularly relates to conversion from pattern data (pattern paper data) to knitting data and the like.
  • Patent Literature 1 discloses generating outer shape data (data representing the knit structure) of a knitted fabric based on pattern data of the knitted fabric, and inputting design data such as intarsia or jacquard into the generated data.
  • Pattern data refers to length-based vector data for each part of a knitted fabric.
  • Patent Literature 2 discloses measuring the horizontal and vertical size of a stitch after finishing, and converting pattern data to data expressed in the number of stitches based on the measured size.
  • a knitted fabric is, for example, easily deformed by its own weight and the like. For example, a neck hole is easily widened by the weight of sleeves, and a thin knitted fabric such as a sleeve is easily stretched.
  • a shaping line In the next step performed after the pattern data has been converted to data expressed in the number of stitches, a shaping line has to be formed in order to perform increase or decrease.
  • fashion marks formed by increase or decrease have to be regularly and attractively arranged, and parts have to be provided with trim outlines.
  • a shaping line has to be set such that knitting is easily performed in consideration of efficiency in knitting by a flat knitting machine, strain on a yarn, and the like. Accordingly, considerable skill is required to form a shaping line.
  • the work is divided such that a designer generates pattern data and a knitting technician converts the data to data expressed in the number of stitches.
  • the present invention is directed to a knit design device that converts pattern data of a knitted fabric to data expressed in stitches, characterized by including:
  • the present invention is directed to a method for converting pattern data of a knitted fabric to data expressed in stitches using a knit design device, characterized by:
  • the present invention refers to a program for converting pattern data of a knitted fabric to data expressed in stitches using a knit design device, which program causes the knit design device to execute the steps of
  • first pattern data is generated as vector data.
  • This data represents a finished size (instructed size) of a part.
  • the first pattern data is data representing the shape of necessary parts, and there is no need to consider issues unique to a knitted fabric such as shrinking or stretching, deformation, and the like of a knitted fabric.
  • the first pattern data is converted to second pattern data as vector data representing a size in proportion to the number of stitches. In this manner, the problem in which it is impossible to obtain a size as instructed is solved through the process that converts the first pattern data to the second pattern data.
  • raster data representing the part in stitches is generated by converting the second pattern data to data expressed in the number of stitches of the part and forming a shaping line at a side end of the part.
  • the raster data is converted to knitting data by the knit design device or another design system.
  • the raster data is converted to knitting data of a knitted fabric by converting means.
  • the knit design device further includes editing means for modifying the shaping line by allowing the raster data to be edited in a state where the raster data and the second pattern data are displayed in a superimposed manner on a monitor. Accordingly, a configuration is obtained in which, when there are a large number of shaping lines corresponding to the second pattern data, an optimal shaping line is easily selected.
  • the knit design device further includes inverse converting means for inversely converting the raster data to the second pattern data. Accordingly, a configuration is obtained in which second pattern data of a design that has gained popularity in the market is obtained, and this information is used as a reference in the subsequent designing operations and in the determination as to which shaping line is to be formed from the second pattern data.
  • FIGS. 1 to 10 show a knit design device 2, a knit design method, and a knit design program according to an embodiment.
  • 4 denotes a bus
  • 6 denotes a CPU
  • 8 and 10 each denote a memory.
  • the memory 8 stores programs such as a knit design program
  • the memory 10 stores data such as design data and knitting data.
  • 12 and 16 each denote an interface.
  • the interface 12 is an interface with an external storage, and performs data exchange with an external storage 14 such as a CD-ROM or a USB memory.
  • the network interface 16 is connected to the Internet and the like. Knit design programs stored in the external storage 14 are stored in the memory 8.
  • the knit design device 2 is a computer that uses constituent elements from the bus 4 to the color printer 24 to realize constituent elements from a fabric pattern data generator 26 to an inverse converter 38.
  • the fabric pattern data generator 26 generates, as vector data, pattern data of a part of a knitted fabric such as a front body, a rear body, and a sleeve. For example, if a designer inputs an instructed size, an attribute, a type, and the like of a part from the keyboard 22 or the like, fabric pattern data (first pattern data) is generated.
  • Examples of the attribute of a part include a type of the part such as a front body, a rear body, and a sleeve, and a portion in the part such as an arm hole, a neck hole, and a rib hem.
  • the fabric pattern data represents each part, for example, in actual size. For example, at the same time as generation of the fabric pattern data, data indicating the material of a yarn used (e.g., the type and the thickness), the gauge of a flat knitting machine, the type of finishing, and the like are input. These sets of data may be input when converting the fabric pattern data to knit pattern data (second pattern data).
  • a knit pattern data generator 28 converts the fabric pattern data to knit pattern data (second pattern data), which is vector data representing the number of stitches.
  • This conversion uses a macro storage unit 30.
  • the macro storage unit 30 stores, for example, the shrinking or stretching ratio (shrinking ratio) in finishing process after knitting, the deformation ratio of each portion, and the like.
  • the shrinking ratio may be stored for each combination of material and finishing type, or may be stored simply for each finishing type. For example, regarding the deformation of each portion, a neck hole is easily widened because it is pulled by sleeves, and, regarding the deformation for each part type, a thin knitted fabric such as a sleeve is easily stretched.
  • the correction ratios for these deformations are stored in the macro storage unit 30. Note that which portion in a part corresponds to a neck hole and the like is indicated as an attribute of the part.
  • a large number of sets of data are generated for each knitted fabric size and for each body shape.
  • data indicating how to change the height and the width of the part is stored in the macro storage unit 30.
  • data indicating which size of which part is to be changed at which ratio according to the body shape is also stored in the macro storage unit 30.
  • the knit pattern data generator 28 converts the fabric pattern data to knit pattern data using the attribute and the size (instructed size) in the fabric pattern data, according to a macro stored in the macro storage unit 30.
  • a database may be used instead of the macro storage unit 30, a database may be used.
  • a raster data generator 32 converts the knit pattern data to data expressed in the number of stitches in the height direction and the width direction, and forms a shaping line at a side end of the part.
  • the horizontal and vertical size of a stitch or the numbers of stitches per unit height and per unit width are input from the keyboard 22 or the like at any stage. If the horizontal and vertical size of a stitch is applied to the knit pattern data, the number of stitches of the part, that is, the number of stitches in each course in which stitches are arranged in the width direction and the number of courses in the height direction are determined. If the number of stitches is determined, whether increase or decrease is to be performed by how many stitches at which course is determined.
  • a shaping line is a line on which increase or decrease is to be performed.
  • increase or decrease is performed inside the part, and in which increase or decrease is performed at an end of the part. If increase or decrease is performed inside the part, a fashion mark appears at that location. Whether increase or decrease is to be performed inside the part or at an end of the part is input from the keyboard 22 or the like at any stage.
  • the raster data generator 32 forms a shaping line according to the shape (typically, a straight line) of the side end in the knit pattern data.
  • a shaping line is obtained by linking short line segments, and is in the shape of a curved line.
  • a shaping line that has regularly arranged fashion marks, that makes knitting by a flat knitting machine easy, and that has an attractive outline of the part is formed by the raster data generator 32 according to an empirical rule. Data representing the shape of a part in stitches is raster data.
  • a synthesizer 34 displays the raster data and the knit pattern data in a superimposed manner on the color monitor 18. In this state, an editor 35 enables the shaping line to be edited by a designer using the mouse 20, the keyboard 22, or the like.
  • Knitting data refers not only to data (knitting data in a narrow sense) that may directly drive a flat knitting machine but also to data (knitting data in a broad sense) that represents a type of stitch and may be edited and converted to the knitting data in the narrow sense by the knit design device 2 or the like.
  • the inverse converter 38 inversely converts the knitting data or raster data, from which the knitting data may be generated, to knit pattern data. Then, for example, in response to input from the designer, a combination of the knit pattern data and the raster data is added to the macro storage unit 30 or the like.
  • FIGS. 2 and 3 illustrate conversion from fabric pattern data to raster data.
  • fabric pattern data is input.
  • This data is vector data that represents the size of a part and that is generated at the fabric pattern data generator 26 by the designer inputting the instructed size of each portion in the part, the attribute of the part, the type of the part, the size of the part, the material, the gauge of a knitting machine, and the like. If this data is converted in consideration of the shrinking ratio in each portion or in each portion and knit structure, the deformation of a neck hole or sleeves after knitting, and the like, knit pattern data is obtained (Step 2).
  • the knit pattern data is vector data that represents the size in proportion to the number of stitches.
  • the data is developed into a plurality of sets of knit pattern data through correction to the height and the width according to the size and the body shape. This process is performed by the knit pattern data generator 28 using a macro stored in the macro storage unit 30.
  • the number of stitches per knitting height and the number of stitches per knitting width, or the horizontal and vertical size of a stitch is input. Furthermore, the raster data generator 32 converts the knit pattern data to data expressed in the number of stitches in the height direction and the width direction, and approximates the outer shape represented by the knit pattern data to a shaping line. In this manner, the raster data generator 32 generates raster data (Step 3). This data is data expressed in stitches, and, in Step 4, the raster data and the knit pattern data are displayed in a superimposed manner, so that the designer may modify the raster data.
  • Step 7 of FIG. 3 the knitting data of a popular design is converted to raster data. If the raster data has been stored, Step 7 may be omitted.
  • Step 8 the raster data is converted to knit pattern data. Then, the obtained data and the original knit pattern data are displayed, for example, in a superimposed manner on a color monitor or the like (Step 9). In this manner, which data is preferable as the knit pattern data is seen, and this information may be used as a reference in the subsequent designing operations.
  • the macro storage unit 30 or the raster data generator 32 stores the data as preferable exemplary knit pattern data (Step 10), this information may be used as a reference in the conversion to knit pattern data or raster data.
  • FIGS. 4 to 9 show the procedure of a designing operation.
  • FIG. 4 shows fabric pattern data 40, wherein 41 denotes a front body and 42 denotes a rear body, which respectively each show half the body, and 43 denotes a sleeve.
  • This data is converted to knit pattern data 50 in FIG 5 , wherein 51 denotes a front body, 52 denotes a rear body, and 53 denotes a sleeve.
  • the shape of the bodies, the shape of the arm holes, the shape of the neck hole, and the like have been changed.
  • FIG. 6 shows part of knit pattern data.
  • knit pattern data 60 is configured by sequentially connecting vectors. Note that a grid in the drawing represents a size corresponding to a stitch.
  • FIG. 7 shows formation of shaping lines 71 and 72 from knit pattern data 70, wherein two shaping lines 71 and 72 are displayed as candidates. The designer selects a preferable shaping line from among those displayed, and edits the data.
  • a left displayed image 80 shows an image from which a grid representing stitches has been omitted
  • a right displayed image 82 shows an image to which a grid representing stitches has been added.
  • 84 denotes knit pattern data that is data expressing a substantially straight line
  • 86 denotes a shaping line candidate corresponding thereto.
  • the pattern data 84 is typically data expressing a substantially straight line, but a flat knitting machine cannot perform increase or decrease exactly as expressed by this data.
  • Pattern data may have any inclined line, but there is limitation on an inclined line that may be used in a shaping line. Accordingly, the shaping line 86 is slightly different from the pattern data 84.
  • the shaping line 86 is formed according to an empirical rule stored in the raster data generator 32 such that increase or decrease is performed regularly using an easy method, the knitting is efficient, and an attractive outline is provided.
  • the designer may edit the shaping line 86 on the displayed images 80 and 82 in FIG 8 .
  • FIG. 9 shows an exemplary design, wherein a left view shows an example in which a knitting technician manually forms a shaping line from knit pattern data, and a right view shows an example in which the raster data generator 32 automatically forms a shaping line from the same knit pattern data.
  • a shaping line that is smoother and is less rough is obtained.
  • Knitting data of the knitted fabric that has gained popularity in the market is inversely converted to raster data, and the raster data is inversely converted to knit pattern data.
  • 100 denotes original knit pattern data
  • 102 denotes knit pattern data obtained by inversely converting raster data. It is seen that designing not as shown in the pattern data 100 but as shown in the pattern data 102 from the beginning is preferable. Furthermore, it is seen that, during conversion from the knit pattern data to the raster data, performing conversion once as shown in the pattern data 102 and then to the raster data is preferable. Such a rule is stored in the macro storage unit 30 or the raster data generator 32.
  • This embodiment provides the following effects.

Claims (5)

  1. Dispositif de conception de tricot (2) convertissant des données de motif d'un tissu tricoté en données exprimées en mailles, caractérisé par :
    des premiers moyens de génération de données de motif (26) pour recevoir l'information d'entrée d'une taille finie de chaque partie d'untissu tricoté, et générer des premières données de motif (40) de la partie sous forme de données vectorielles représentant la taille introduite ;
    des deuxièmes moyens de génération de données de motif (28) pour convertir les premières données de motif (40) de chaque partie en deuxièmes données de motif (50, 60, 70, 84) sous forme de données vectorielles représentant une taille en proportion d'un nombre de mailles ;et
    des moyens de génération de données de balayage de trame (32) pour générer des données de balayage de trame représentant chaque partie en mailles en convertissant les deuxièmes données de motif (50, 60, 70, 84) de la partie en données exprimées en nombre de mailles et en formant une ligne de mise en forme (71, 72, 86) au niveau d'une extrémité latérale de la partie.
  2. Dispositif de conception de tricot (2) selon la revendication 1, caractérisé en outre par des moyens de conversion (36) pour convertir les données de balayage de trame en données de tricotage d'un tissu tricoté.
  3. Dispositif de conception de tricot (2) selon la revendication 1, caractérisé en outre par des moyens d'édition (35) pour modifier la ligne de mise en forme (71, 72, 86) en permettant aux données de balayage de trame d'être éditées dans un état où les données de balayage de trame et les deuxièmes données de motif (50, 60, 70, 84) sont affichées d'une manière superposée sur un moniteur (18).
  4. Dispositif de conception de tricot (2) selon l'une quelconque des revendications1 à 3, caractérisé en outre par des moyens de conversion inverse (38) pour réaliser une conversion inverse des données de balayage de trame en les deuxièmes données de motif (50, 60, 70, 84).
  5. Procédé pour convertir des données de motif d'un tissu tricoté en données exprimées en mailles en utilisant un dispositif de conception de tricot (2), caractérisé par :
    faire en sorte que le dispositif de conception de tricot (2) réalise les étapes consistant à
    recevoir une information d'entrée d'une taille finie de chaque partie d'un tissu tricoté, et générer des premières données de motif (40) de la partie sous forme de données vectorielles représentant la taille introduite,
    convertir les premières données de motif (40) de chaque partie en deuxièmes données de motif (50, 60, 70, 84) sous forme de données vectorielles représentant une taille en proportion d'un nombre de mailles, et
    générer des données de balayage de trame représentant chaque partie en mailles en convertissant les deuxièmes données de motif (50, 60, 70, 84) de la partie en données exprimées en nombre de mailles et en formant une ligne de mise en forme (71, 72, 86) au niveau d'une extrémité latérale de la partie.
EP10833110.9A 2009-11-26 2010-11-17 Dispositif de conception de tricot et procédé de conception Active EP2505705B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009269209 2009-11-26
PCT/JP2010/070441 WO2011065263A1 (fr) 2009-11-26 2010-11-17 Dispositif de conception de tricot, procédé de conception, et programme de conception

Publications (3)

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EP2505705A1 EP2505705A1 (fr) 2012-10-03
EP2505705A4 EP2505705A4 (fr) 2015-04-29
EP2505705B1 true EP2505705B1 (fr) 2016-07-27

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EP10833110.9A Active EP2505705B1 (fr) 2009-11-26 2010-11-17 Dispositif de conception de tricot et procédé de conception

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EP (1) EP2505705B1 (fr)
JP (1) JP5632389B2 (fr)
KR (1) KR101356987B1 (fr)
CN (1) CN102666955B (fr)
WO (1) WO2011065263A1 (fr)

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KR101690527B1 (ko) 2014-03-18 2016-12-28 가부시키가이샤 시마세이키 세이사쿠쇼 니트 디자인 시스템과 니트 디자인 방법

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JP6120792B2 (ja) * 2014-03-18 2017-04-26 株式会社島精機製作所 ニットデザインシステムとニットデザイン方法
JP5980273B2 (ja) * 2014-07-14 2016-08-31 株式会社島精機製作所 縄柄の編成方法、編地のデザインシステム、および記憶媒体
WO2017183374A1 (fr) * 2016-04-22 2017-10-26 株式会社島精機製作所 Procédé de classement et système de classement pour un produit tricoté
EP3358059B1 (fr) * 2017-02-01 2021-11-03 KARL MAYER STOLL R&D GmbH Procédé de production de données de commande d'un métier à mailles jetées
CN108960381A (zh) * 2018-06-08 2018-12-07 北京三快在线科技有限公司 标识编织方法、装置、电子设备、存储介质及编织标识
JP7204583B2 (ja) * 2019-06-12 2023-01-16 株式会社島精機製作所 ニットデザインシステム
JP7370269B2 (ja) * 2020-02-06 2023-10-27 株式会社島精機製作所 ニット製品のグレーディング方法とグレーディングシステム
CN117779334B (zh) * 2024-02-28 2024-05-07 张家港市金龙腾针织机械有限公司 一种用于电脑横机的选针花型变换控制系统

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Publication number Priority date Publication date Assignee Title
KR101690527B1 (ko) 2014-03-18 2016-12-28 가부시키가이샤 시마세이키 세이사쿠쇼 니트 디자인 시스템과 니트 디자인 방법

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CN102666955B (zh) 2014-03-05
EP2505705A4 (fr) 2015-04-29
JP5632389B2 (ja) 2014-11-26
EP2505705A1 (fr) 2012-10-03
KR20120074322A (ko) 2012-07-05
CN102666955A (zh) 2012-09-12
JPWO2011065263A1 (ja) 2013-04-11
KR101356987B1 (ko) 2014-01-29
WO2011065263A1 (fr) 2011-06-03

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