EP0401234B1 - Dispositif de plissage et de couture de plis - Google Patents

Dispositif de plissage et de couture de plis Download PDF

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Publication number
EP0401234B1
EP0401234B1 EP89901947A EP89901947A EP0401234B1 EP 0401234 B1 EP0401234 B1 EP 0401234B1 EP 89901947 A EP89901947 A EP 89901947A EP 89901947 A EP89901947 A EP 89901947A EP 0401234 B1 EP0401234 B1 EP 0401234B1
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EP
European Patent Office
Prior art keywords
ledges
pair
strips
folding
pairs
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.)
Expired - Lifetime
Application number
EP89901947A
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German (de)
English (en)
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EP0401234A1 (fr
Inventor
Hermann Taddicken
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.)
Eisele Apparate- U Geratebau GmbH
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Eisele Apparate- U Geratebau GmbH
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Publication of EP0401234A1 publication Critical patent/EP0401234A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for
    • D05B35/08—Work-feeding or -handling elements not otherwise provided for for ruching, gathering, casing, or filling lace, ribbons, or bindings; Pleating devices; Cuttlers; Gathering feet; Crimpers; Curlers; Rufflers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06J—PLEATING, KILTING OR GOFFERING TEXTILE FABRICS OR WEARING APPAREL
    • D06J1/00—Pleating, kilting or goffering textile fabrics or wearing apparel

Definitions

  • the invention relates to a device according to the preamble of patent claim 1.
  • a device of this type is known from DE-PS 24 28 598.
  • a folding shaft is provided for the formation of folds from two rods arranged parallel to one another, one end of which projects freely in the sewing direction, into which a loop which is wrapped and sewn around the two rods is drawn in to form a double fold by means of a folding sword. It can be drawn into the folding shaft to a greater or lesser depth so that the depth of the folds can be varied.
  • the rods can be designed as thin but stable wires or thin, narrow, strip-shaped spatulas. They are arranged together with a stop determining the loop width and the workpiece clamp which transports the double fold for sewing through the stitch formation point of a sewing machine on a slide which can be moved relative to the needle. The rods can also be moved out of the area of the workpiece in order to make it easier to insert and remove the workpiece.
  • a device for the simultaneous formation of several folds is known from cer DE-OS 34 05 721.
  • This device is used as a workpiece holder for sewing devices for sewing the edge zones of feed and outer fabric in the tip and side corner area of a tie and is equipped with three articulated clamping plates to clamply hold the lining and the outer fabric in connection with a tensioning device between the clamping plates, the middle plate on its side facing the outer fabric having a central folding sword and lateral webs for forming a middle fold and two side folds for receiving outer fabric fullness is formed.
  • the workpiece clamp is equipped on the upper plate, which clamps the outer fabric, with folding slides for folding and holding down the side gussets formed on the side corners, which, together with the clamping plates, clamp the materials to be sewn at the edge zones.
  • Folded edges are formed on supports elastically connected to the upper clamping plate.
  • the folded edges come into contact with the outer fabric on both sides of the webs following the formation of the middle fold.
  • the folding edges provided between the tip and the side corner region are designed such that they come into contact with the outer fabric when the upper clamping plate is lowered following the formation of the middle fold before the other folding edges are put on. Since the folding processes take place one after the other, the result is that the fabric or the additional width is drawn in from defined points in the blank part to the folds. Additional pneumatically actuated slides are provided to flatten the gussets after they have been formed.
  • This known device is only used to form simple folds on workpieces of uniform size provided in which the folds are always formed in the same place.
  • DE-PS 26 29 117 should be mentioned, by means of which a folding device arranged in the area of the stitch formation point of a sewing machine with a plurality of folding plates arranged at a distance from one another is known, each in pairs with a fork-shaped folding slide to form each a multiple fold cooperate, several of which are formed one after the other, for example on the edge of curtains, the fork-shaped folding slides being moved in opposite directions.
  • Each multiple fold consists of two single folds that are arranged in mirror image to one another at a lateral distance and are covered by a common central part. In this folded state, the multiple fold is fixed by needles which can be moved in height and which, after lowering a printing tape which transports the area of the multiple fold through the sewing station, are pulled out of the latter on the multiple fold.
  • the invention has for its object to design a device according to the preamble of claim 1 such that a double fold and several single folds can be formed simultaneously on a workpiece and can also be laid flat with the folding tools.
  • the advantage of the invention is that folds of different shapes can be formed in a relatively simple manner and can be brought into a position required for fixing by sewing. It is possible to first pull out a double fold in the middle of the workpiece, for example a blouse or shirt back part, by folding in the hinge-like strips of the first pair of strips, the fabric being pulled easily and freely from the outside by the then not yet closed outer folding tools will then pull out the single folds laterally from the middle double fold by transferring the hinge-connected strips into the stretched position and finally lay all folds together by appropriate relative movements of the strips of all pairs of strips.
  • the constructive design of the strips of the first and third pair of strips for holding the folding tools and the training of the folding tools and the training of the folding tools according to claim 3 allow the folding tools to be repositioned and supplemented in a simple manner, thus increasing the distance between the folds and their number change.
  • the measure according to claim 4 serves to secure the position of the folding tools.
  • the arrangement of the hinge-like strips on a separate holder on the handlebar according to claim 5 is a particularly simple solution to make the strips movable between the stretched and a kinked position and relative to the other pairs of strips.
  • the links compensate for the distance between the articulation points that changes when pivoting about the hinge axis.
  • the carriage is movable with the pairs of strips carrying the folding tools as indicated in claim 8.
  • the overall system is arranged on a frame (1) in which a plurality of wide endless conveyor belts (2) and a narrow endless conveyor belt (3) are guided over rotatably mounted rollers (4), FIG. 8.
  • An upper endless conveyor belt (5) which is driven synchronously with the lower conveyor belts (2, 3), works with the narrow conveyor belt (3) to move a workpiece (W) past the stitch formation point of a sewing machine (6), FIG. 1.
  • the conveyor belt (5) is guided on one side of the frame (1) around a deflection roller (7), FIGS. 1 and 8, which is rotatably mounted on a mounting rail (8).
  • the lower run of the conveyor belt (5) is under the action of pressure rollers (9) on levers (10), which are pivotally mounted at intervals on the mounting rail (8) and each with a tension spring ( 11) are biased against the lower run of the conveyor belt (8).
  • an angle (12) is attached to which a pneumatic cylinder (13) is attached, the piston rod (13a) of which can be moved under the lower run of the conveyor belt (5).
  • two vertical smoothing rods (14, 15) each with a clamp (16, 17), (Fig. 2), attached through a hole in two guide blocks (18, 19) on one with the Frame post (20, 21) firmly connected cross strut (22) are carried out.
  • Two pneumatic cylinders (23, 24) are also attached to the cross strut (22), the piston rods (25 and 26) of which are attached to the mounting rail (8).
  • the pneumatic cylinders (23, 24) serve to raise and lower the area of the conveyor belt (5) located on the right of the piston rod (13a) of the pneumatic cylinder (13) above the folding station in FIG. 1.
  • the lower strand of the upper conveyor belt (5) which engages with the workpiece is towards the sewing machine (6) around a roller (28) which is rotatably mounted on a frame structure (27) of the frame (1) provided for the arrangement of guide rollers roller (29) mounted behind the stitch formation point of the sewing machine (6) upwards, via further rollers (30 to 33) around a pneumatically operable chain separator (34) down again for engagement with the workpiece (W) behind the chain separator (34) , from there as an upper run around a roller (35) in an inclined upward direction around a further roller (36) to the right-hand side with reference to FIG.
  • a slide (48) is provided for attaching the folding tools, their carriers and drive devices, which is mounted on two slide rods (49, 50) attached to the frame posts (20, 21) perpendicular to the transport and sewing direction, arrow V, FIG. 1 a pneumatic cylinder (51) attached to the frame (1) is displaceable, the piston rod (52) of which engages on a web (53) of the slide (48). Two adjusting rings (54, 55 and 56, 57) are attached to each slide rod (49, 50) to limit the sliding movement of the slide (48).
  • a vertical slide rod (58, 59) is made through holes in the carriage (48) near its side ends.
  • a carrier 60 or 61
  • the piston rod (64) of the pneumatic cylinder (62) is connected to a shoulder (65) of the carrier (60) and the piston rod (66) of the pneumatic cylinder (63) is connected to a shoulder (67) of the carrier (61).
  • an adjusting ring (68) is attached to the slide rod (58) and an adjusting ring (69) is attached to the slide rod (59).
  • a set screw (74, 75) for adjusting the height of the slide rods (58, 59) is located in the free end of each flat bar (72, 73) provided with a threaded bore. screwed, the lower, not shown end is designed as a pin and protrudes into a support bearing (76, 77) in the carriage (48).
  • the widened front ends (60a, 61a) of the carriers (60, 61) which are adjacent to the conveyor belts (2, 3, 5) are connected by two horizontally oriented rods (78, 79) which are spaced apart and on which two sliding pieces ( 80, 81) are slidably arranged.
  • Three pairs of strips of strips (86, 87; 88, 89; 90, 91) of approximately rectangular cross-section arranged above one another serve as carriers for the folding tools of the device.
  • the first pair of strips (86, 87) is connected in the middle in a hinge-like manner by a bolt (92), to which the piston rod (94), which is provided at the end with a receiving head (93) for the bolt (92), fastens one to the frame (1) Pneumatic cylinder (94a) attacks.
  • the outer end of the strips (86, 87) is connected to a holding rail (97) by a link (95 or 96).
  • the piston rod (99) engages one pneumatic cylinder (100) each via a fork head (98).
  • the pneumatic cylinders (100) are arranged at the angles (82 and 83).
  • FIG. 11 there is a hole on the bar (86) for carrying out the Hinge pin (92) having plate (101) and on the bar (87) a cranked, also a hole for the passage of the hinge pin (92) having plate (102) attached.
  • the bar (88) is near one end by several screws (103) (Fig. 10) on the flat iron piece (84) and the slide (80) and the bar (89) is also by screws (103) on the flat iron piece (85) and attached to the slider (81).
  • a horizontal guide web (104) (FIG. 9) for a groove (105) in the strips (88, 89) is provided on the vertical leg of the bracket (82, 83).
  • the strips (90, 91) of the third pair of strips have a groove (106) (FIG. 9) on the underside into which a guide web (107) formed on them engages.
  • the strips (86, 87) of the first and the strips (90, 91) of the third pair of strips there are a number of horizontal bores (108) and an equal number of the bore diameter corresponding vertical slots (109) are provided.
  • Z-shaped folding tools (110 and 112) and two straight folding bars (111) are provided to form folds by twisting them twice at an angle.
  • the folding tools (110) are inserted in the desired number and at the desired spacing of the side folds (SF) to be formed with one horizontal leg into a bore (108) in the strips (90, 91) of the third pair of strips.
  • the middle part is received in a vertical slot (109) so that it cannot rotate, and the horizontal leg of the folding tools (110) protruding from the strips (90, 91) serves as a folding sword.
  • the straight folding bars (111) fitted into bores at the opposite ends of the strips (88, 89) serve as folding swords when forming the middle double fold (DF).
  • each folding sword (110, 111) Two of the Z-shaped folding tools (112) are provided for interacting with each folding sword (110, 111), which also have a horizontal leg in a bore (108) and a central slot in a vertical slot (109) to prevent rotation the strips (86, 87) of the first pair of strips are inserted, while their other horizontal leg protrudes from the strips (86, 87) and serves as a holder for the fabric
  • U-shaped plates (113) are used, one of which is applied to the strips (90, 91) from above is pushed over the middle part of the folding tools (110) in the slots (109) and onto the strips (86, 87) from below over the middle part of the folding tools (112) in the slots (109).
  • a thrust roller (114) is rotatably mounted on the angles (82, 83) and the flat iron pieces (84, 85).
  • Two pneumatic cylinders (115) are provided for opposing displacement of the strips (88, 89) of the second pair of strips.
  • the end of the housing of a pneumatic cylinder (115) is on the carrier (60) and that other end of the housing of the other pneumatic cylinder (115) attached to the carrier (61).
  • the piston rod (116) of one pneumatic cylinder (115) engages on the slide (80) to which the strip (86) is attached and the piston rod (116) of the other pneumatic cylinder (115) on the slide (81) on which the Bar (87) is attached.
  • Two pneumatic cylinders (117) are provided for opposing displacement of the strips (90, 91) of the third pair of strips.
  • the end of the housing of one of them is attached to the front end (60a) of the carrier (60) and the end of the housing of the other pneumatic cylinder (117) to the front end (61a) of the carrier (61).
  • the piston rod (118) of one pneumatic cylinder (117) engages the bar (90) and the piston rod (118) of the other pneumatic cylinder (117) engages the bar (91).
  • a pneumatic cylinder (119, FIG. 2) arranged on the frame (1) is provided, the piston rod (120) of which is clamped with the rods (78, 79) and clamped (121 ) is connected to them
  • a workpiece (W) is then inserted between the protruding legs of the folding tools (110 and 111) on the one hand and the protruding legs of the folding tools (112) on the other hand, as can be seen in FIG. 3, whereupon the pair of strips (86, 87) connected by a hinge is passed through the piston rod (94) of the pneumatic cylinder (94a) moves from the extended position shown in Fig. 3 to a kinked position shown in Fig. 4, the folding swords (110, 111) and the holder (112) perform a relative movement, so that the the two middle folds of the double folds (DF) are pulled out deeper than the side folds (SF).
  • the length of the fabric required for the folds is pulled from the outside without hindrance because the workpiece (W) the outer folding tools (110 and 112) wrapped at a small angle of wrap, so the friction is much less than if all the folds were pulled out to the same depth at the same time e in the subject of the application enables the processing of longer or larger workpieces with a plurality of folds.
  • the first pair of strips (86, 87) is then brought into the extended position according to FIG. 5 by corresponding compressed air control of the pneumatic cylinders (94a and 100). Subsequently, the second and third pair of strips (88/89, 90/91) are descended by appropriate actuation of the pneumatic cylinders (62, 63 and 119) and at the same time by the pneumatic cylinders (94a and 100) the first pair of strips (86/87) moved upward so that the protruding horizontal legs of the folding tools (112) maintain their height with respect to the workpiece support surface and the second and third pairs of strips (88/89 and 90/91) are moved towards the first pair of strips (86/87).
  • the strips (88, 89) of the second and the strips (90 and 91) of the third pair of strips are each moved in opposite directions by the pneumatic cylinders (115 and 117), namely the strips (88, 89) from one another from the outside to and the strips (90, 91) from the inside away from each other, as indicated by the arrows (122 to 125) in Fig. 6.
  • the individual folds drawn out in the vertical direction, shown in FIG. 5, are flattened out in the described movement sequences of the three pairs of strips (86/87, 88/89, 90/91) in such a way that the two individual folds in the middle move towards one another by 90 ° to a double fold (DF, Fig. 7) and the individual folds on both sides of the double fold (DF) are each 90 ° outwards to the side folds (SF, Fig. 7).
  • the folding process is now complete.
  • a so-called fitting part (P) is then placed on the flat folds (DF and SF) and the mounting rail (8) with the part of the upper conveyor belt (5) located above the folding station is lowered and activated by actuating the pneumatic cylinders (23, 24) the piston rod (13a) of the pneumatic cylinder (13) is withdrawn.
  • the workpiece (W) provided with folds (DF and SF) is pressed together with the fitting part (P) through the lower run of the conveyor belt (5) by the pressure rollers (9) onto the lower conveyor belt (3).
  • the carriage (48) with the entire folding device on the slide rods (49, 50) is then moved transversely to the workpiece transport direction, arrow V, FIG. 1, into the initial position determined by the adjusting rings (54, 56). or rest position shifted, the folding tools (110, 111, 112) being pulled out of the folds (DF and SF) and the strips (88, 89; 90, 91) of the second and third pairs of strips being actuated appropriately by the pneumatic cylinders (115, 117 ) are also shifted into their starting position shown in FIG. 3
  • the conveyor belts (2, 3, 5) are now switched on and the workpiece (W) with the fitting part (P) in the direction of the arrow (V, Fig. 1) through the sewing station for sewing the folded workpiece (W) to the fitting part (P) transported.
  • Light barriers for switching the sewing machine (6) and the thread chain separator (34) on and off can be arranged in the transport path, so that the sewing machine (6) and the thread chain separator (34) are switched on and off depending on the workpiece.
  • the conveyor belts and the sewing machine can also be switched off depending on the workpiece.
  • the part of the upper conveyor belt (5) located above the folding station can be moved through the piston rods (25, 26) of the pneumatic cylinder (23 or . 24) raised to the position shown in Fig. 1 and the folding device with the frame (48) through the pneumatic cylinder (51) on the slide rods (49, 50) transversely to the transport direction, arrow V, Fig.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

Des outils de plissage servent à former simultanément et à aplatir dans une pièce de tissu un pli double (DF) et une pluralité de plis simples (SF) latéralement espacés de ce premier. Les outils de plissage sont soutenus sur trois paires de planchettes superposées (86/87; 88/89; 90/91), dont la première est formée par deux planchettes (86, 87) mutuellement reliées par une charnière et mobiles entre une position droite et une position pliée. Les planchettes (88/89; 90/91) des deuxième et troisième paires se déplacent toujours en sens inverse l'une de l'autre et des planchettes de l'autre paire. Ces planchettes (88/89; 90/91) de la deuxième et de la troisième paire de planchettes portent chacune au moins une lame de plissage (111 ou 110), alors que la première paire de planchettes porte les dispositifs de retenue correspondants (112). La position relative de la première paire de planchettes (86/87) par rapport aux deux autres paires de planchettes (88/89; 90/91) est modifiable. Le dispositif est utile pour fabriquer des articles caractérisés par une pluralité de plis de formes diverses, par exemple le dos de corsages et de chemisiers.

Claims (8)

1. Dispositif pour former et coudre des pliages sur des pièces découpées, à l'aide d'outil de pliage, formés de deux supports disposés à distance l'un de l'autre, pour les pièces découpées, et d'une lame de pliage, déplaçable entre les supports, et avec un dispositif de transport, pour saisir et faire passer les pièces découpées pliées à l'emplacement de formation du point de couture d'un poste de couture, caractérisé en ce que sont prévus, comme supports pour les outils de pliage, trois couples de bandes (86/87;88/89;90/;91) superposées, dont le premier présente deux bandes (86,87) reliées frontalement à la façon d'une charnière, déplaçables en hauteur, entre la position étendue, dans une première position en hauteur, en passant par une position d'inflexion et la position étendue dans une deuxième position en hauteur, en ce que les bandes (88/89;90/91) des deuxième et troisième couple de bandes portent, chacune, au moins une lame de pliage (111, respectivement 110) et les bandes (86,87) du premier couple de bandes portent les couples de supports (112) spécifiques associés et les bandes des deuxième et troisième couple de bandes étant déplaçables l'une par rapport à l'autre et par rapport aux bandes de l'autre couple, en sens inverse'et simultanément, en ce que les lames de pliage (111) du deuxième couple (88,89), avec les couples de supports (112) associés du premier couple de bandes (86,87), servent à former un double pli (DF), composé de deux plis simples, à placer à plat l'un sur l'autre, sur une partie médiane, tandis que les lames de pliage (110), disposées à distance sur le côté des outils de pliage pour le double pli (DF), du troisième couple de bandes (90,91), avec les couples de support (112) associés du premier couple de bandes (86,87), servent à former des plis simples (SF), à placer à plat, inversés l'un par rapport à l'autre, la distance entre le premier couple de bandes (86/87) et la distance entre le premier couple de bande (86/87) les deux autres couples de bandes (88/89;90/;91) étant modifiables de la valeur d'une profondeur de pli.
2. Dispositif selon la revendication 1, caractérisé en ce que la deuxième position en hauteur du premier couple de bandes (86/87) qui porte le couple de supports (12) se trouve en dessous de la première position en hauteur.
3. Dispositif selon les revendications 1 et 2, caractérisé en ce que les premier et troisième couple de bandes (86/87 et 90/91) présentent, sur la face longitudinale tournée vers une bande de pressage (5), susceptible d'être descendue sur le produit à plier, du dispositif de transport, plusieurs rainures (109) perpendiculaires, d'où partent, chaque fois, un perçage transversal servant à enficher des outils de pliages (support 112, lame de pliage 110, respectivement 111) à forme sensiblement en Z, dont la nervure de liaison entre leurs branches horizontale est logeable dans les rainures (109), et dont la branche faisant saillie des bandes (86,91) agit sur le produit à plier.
4. Dispositif selon la revendication 3, caractérisé en ce que les bandes des premier (86/87) et troisième (9091) couples de bandes, avec leurs outils de pliage (110,112) disposés dessus, sont partiellement recouvertes par des tôles de sécurité (113) à section transversale en forme de U.
5. Dispositif selon l'une ou plusieurs des revendications 1 à 4, caractérisé en ce que chaque couple de bandes (86/87) relié à la façon d'une charnière est relié, aux extrémités libres, à une glissière de maintien (97) déplaçable par rapport aux autres couples de bandes (88/89;90/91), au moyen d'un bras articulé (95,96).
6. Dispositif selon l'une ou plusieurs des revendications 1 à 5, caractérisé en ce que les couples de bande (86/87;88/89;90/91) sont disposés sur des supports (60,61) déplaçables en hauteur par rapport à la surface de pose du produit à plier.
7. Dispositif selon l'une ou plusieurs des revendications 1 à 6, caractérisé en ce que les bandes (90,91) du troisième couple de bandes présentent une rainure de guidage (106) inférieure pour une nervure de guidage (107), sur les bandes (88,89) du deuxième couple de bandes.
8. Dispositif selon l'une ou plusieurs des revendications 1 à 7, caractérisé en ce que tous les couples de bandes (86/87;88/89;90/91), avec les outils de pliage (110;111;112) sont déplaçables, conjointement avec un chariot (48), transversalement à la direction de couture, entre une position de repos et une position d'application.
EP89901947A 1988-02-12 1989-02-02 Dispositif de plissage et de couture de plis Expired - Lifetime EP0401234B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3804376 1988-02-12
DE3804376A DE3804376C1 (fr) 1988-02-12 1988-02-12

Publications (2)

Publication Number Publication Date
EP0401234A1 EP0401234A1 (fr) 1990-12-12
EP0401234B1 true EP0401234B1 (fr) 1992-06-03

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EP89901947A Expired - Lifetime EP0401234B1 (fr) 1988-02-12 1989-02-02 Dispositif de plissage et de couture de plis

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US (1) US5080030A (fr)
EP (1) EP0401234B1 (fr)
JP (1) JPH03502411A (fr)
KR (1) KR920000852B1 (fr)
DE (2) DE3804376C1 (fr)
ES (1) ES2013001A6 (fr)
WO (1) WO1989007675A1 (fr)

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JP3798298B2 (ja) * 2000-12-01 2006-07-19 株式会社瑞光 回転装置、着用物品の搬送方法およびウェブの搬送方法
JP4949691B2 (ja) * 2006-02-01 2012-06-13 ユニ・チャーム株式会社 シート状構造体の製造システム及び製造方法
JP4949690B2 (ja) * 2006-02-01 2012-06-13 ユニ・チャーム株式会社 シート状構造体の製造システム及び製造方法

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ES2013001A6 (es) 1990-04-16
KR900700678A (ko) 1990-08-16
EP0401234A1 (fr) 1990-12-12
US5080030A (en) 1992-01-14
DE58901610D1 (de) 1992-07-09
WO1989007675A1 (fr) 1989-08-24
DE3804376C1 (fr) 1989-07-13
KR920000852B1 (ko) 1992-01-30
JPH03502411A (ja) 1991-06-06

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