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EP0360712A1 - Apparatus for the zig-zag folding of a continuously fed flexible web of textile material - Google Patents

Apparatus for the zig-zag folding of a continuously fed flexible web of textile material Download PDF

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Publication number
EP0360712A1
EP0360712A1 EP89420357A EP89420357A EP0360712A1 EP 0360712 A1 EP0360712 A1 EP 0360712A1 EP 89420357 A EP89420357 A EP 89420357A EP 89420357 A EP89420357 A EP 89420357A EP 0360712 A1 EP0360712 A1 EP 0360712A1
Authority
EP
European Patent Office
Prior art keywords
rollers
carriage
movement
strip
belt
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
EP89420357A
Other languages
German (de)
French (fr)
Other versions
EP0360712B1 (en
Inventor
René Cheynet
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.)
J Cheynet et ses fils Ets SA
Cheynet et Fils SA
Original Assignee
J Cheynet et ses fils Ets SA
Cheynet et Fils 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
Application filed by J Cheynet et ses fils Ets SA, Cheynet et Fils SA filed Critical J Cheynet et ses fils Ets SA
Priority to AT89420357T priority Critical patent/ATE93813T1/en
Publication of EP0360712A1 publication Critical patent/EP0360712A1/en
Application granted granted Critical
Publication of EP0360712B1 publication Critical patent/EP0360712B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
    • B65H45/103—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by a carriage which reciprocates above the laying station

Definitions

  • the invention relates to an improved device for zig-zag folding of a flexible strip of textile material fed continuously.
  • the invention relates to the technical sector of machines and equipment for packaging flexible bands made of textile material such as ribbons and similar products.
  • Ribbons and other textile bands produced continuously on looms must be packaged.
  • an old method consists in folding them in a zig zag in a continuous movement back and forth determining lengths of bands.
  • a carriage made up of rotating rollers between which the flexible strip is introduced and which by its alternating movement forms a zig zag and continuously the ribbon is used on an entablature provided for this purpose.
  • the carriage is driven by the aforementioned reciprocating movement and thus makes it possible to obtain, in succession, predetermined strip lengths, as illustrated in FIG. 1.
  • the different lengths of tape must be sent in a package, while maintaining a certain presentation attire.
  • the problem posed is inherent in the nature of the textile band or ribbon which is flexible, foldable by definition. It consists, in holding the different lengths of tape, which tend to sag naturally.
  • the strip is thus introduced between a lower support plane and an upper support plane, while pushing means guide the strips in the strips thus defined.
  • the mechanism described in this patent is complex and does not allow easy adaptability of the system according to the width of the tape, even if there was the possibility of height adjustment of the means exerting the upper support.
  • rollers have only a role in driving and guiding the strip.
  • the object of the invention is to remedy these drawbacks.
  • the solution proposed by the invention is particularly original, simple to implement. It has many advantages in the quality of resistance of the different zig zag folds of the strip, the latter being distributed positively.
  • light items can be folded with the device, according to the invnetion.
  • the device is remarkable in that the improved device for the zig-zag folding of a strip of flexible material fed continuously, of the type comprising an entablature with a rear zone and means for distribution of the fabricated strip, a central zone arranged with a transverse slot allowing the alternating movement of a pair of rollers between which the strip is guided, the said rollers being placed on a carriage driven by means of controls of a transverse movement alternative opposite the aforementioned slot and thus authorizing at the exit of the rollers the crimping of a ribbon, and a front zone authorizing the reception and the evacuation of the parts of the ribbon folded continuously and their evacuation towards the zone packaging, the device further comprising means for pushing the portions of folded ribbons; the device being remarkable in that it comprises two assemblies comprising in particular two pinions, cooperating with a fixed rack arranged transverslament in the entablature, during the transverse movement of the carriage, said pinions cooperating with means associated with the rollers, said means consisting to
  • the device is remarkable in that the means acting on the rollers are freewheels, mounted in opposition.
  • the device according to the invention aims to ensure the zigzag folding of flexible strips, in particular of textile material, according to an automatic continuous setting. These measures is therefore positioned in a known manner on an entablature (1) successively having an area and means (2) for distributing the strip coming from a roll on which the strip has been wound during manufacture, or in bulk according to the prior modalities of this manufacturing.
  • the means (2) represents, without limitation, a guide for returning and presenting the strip to the rollers (4 and 5) for conveying the latter.
  • the central or substantially part of the entablature is arranged with a transverse slot (3) allowing the alternating movement of a pair of rollers (4 and 5), mounted in opposite rotation and between which the end of the strip is guided, then the strip itself, being zig zag folded.
  • the motor means authorizing the transverse movement of a support carriage (7) of the roller pair (4 and 5) are arranged in the lower part of the entablature and protected by protective plates.
  • the folded strip is then conveyed on the front part of the entablature, being guided longitudinally by profiles (6) fixed in any suitable manner.
  • the strip is conveyed towards the front of the entablature and falls into a wrapping or packaging provided for this purpose and not illustrated.
  • the device makes it possible to present the various successive folds of the strip in a vertical position or substantially, on edge and to maintain good hold during the entire advance of the folded strip towards its packaging.
  • the device has two essential features: -
  • a first feature consists in alternately making each of the rollers (4 and 5) positive, thus respecting the direction of travel of the strip, whatever the direction. movement of the carriage.
  • the other particularity consists in acting by means against the strands of the strip part opposite the output of the pair of distributing rollers (4-5) by ensuring pressurization and alternating tension of each of the half parts of strips which have just been executed, thus bringing back, still vertically, the parts of folded strips.
  • the device taken as a whole is first mounted on a carriage (7).
  • the latter comprises, for example, a sole (7-1) possibly U-shaped, and the ends of which are arranged at their upper part to receive support plates (7-2) supporting bearings (8).
  • the assembly can be made in one piece.
  • the bearings are guided along two slides (9 and 10) arranged transversely to the entablature.
  • the carriage can therefore be moved in a reciprocating and transverse movement, relative to the entablature, while being substantially opposite the transverse slot (3) formed on said entablature.
  • the carriage is associated by its lower part with appropriate control means known to those skilled in the art and which can, for example, and without limitation, be constituted by a system of connecting rods or cranks controlled by a motor ensuring the aforementioned back and forth movement.
  • the amplitude of movement of the carriage is adjustable in a known manner and is a function of the length of the plies of ribbons to be obtained.
  • the device is fixed to the carriage, advantageously, in the central and central part of the sole.
  • it comprises a support cap (11) for connecting the two assemblies associated with each of the rollers (4 and 5), said cap being secured by one or more connecting screws. (12) at the sole.
  • rollers are in a plane above the entablature and the other means, in the lower part protected by protective plates.
  • These means include mounted on a shaft (13) (14) corresponding to each roller (4-5), pinions (15) (16) capable of cooperating with a fixed rack (17) disposed on the frame of the entablature between the two slides and in the same plane of them.
  • a spacer and retaining block (18) guides said shafts and is held in position in a fixed plane, by a support structure (24) associated with the base of the carriage, by appropriate means.
  • Two freewheels (19-20) mounted in opposition are positioned on said shafts, above the spacer block, each in close relation with one of the rollers (4-5).
  • rollers (4-5) are each arranged above each free wheel, being indexed by appropriate means. These two rollers are in contact with one another, while a spacer plate (21) is mounted at the end of the rollers in a horizontal plane and ensures their protection and maintenance.
  • said plate receives rods (22-23) connecting and guiding said rollers (4 and 5), the end of said rods being associated with the aforementioned means to complete the mounting of the device.
  • This block is adjustable in height relative to the plane of the entablature, the height corresponding to the width of the ribbon. this avoids the movement or an unexpected movement of the ribbon, before it passes between the rollers (4-5).
  • the device according to the invention has means ensuring good resistance of the portions of ribbons bent in a zig zag and preventing its compaction or sagging.
  • the device thus comprises a means acting during the shaping of the folds of ribbons and alternately, depending on the position of the carriage and therefore of the rollers (4 and 5), on the portions of folded ribbons.
  • This action consists, in the exercise of a pressure and a temporary push, against the part of the ribbon folded and accompanying the direction of movement of the carriage.
  • This means consists of a belt (27), arranged at the outlet of the rollers (4 and 5), automatically accompanying the movement of the carriage, this, in order to keep the layers or parts of ribbons folded and to facilitate the release of the setting device. in fold, by a progressive advance movement of the ribbon conditioned in zig zag.
  • this belt is fixed at these ends (27-1) (27-2) on rods or axes (28), mounted in a fixed position on the entablature but, in a substantially advanced position, relative to the front plane rollers (4-5) thus giving an angulation ( ⁇ ).
  • two return axes (29-30) of the belt At the rear end of the entablature are arranged two return axes (29-30) of the belt, in a fixed position. Said belt is also guided, on either side, of each roller (4-5). Indeed, and in an original way, the spacer plate (21) fixed above each roller is arranged, to receive from its front ends, and in an eccentric plane with respect to the axis of the rollers, two return rods (31-32) fixed in a removable manner, by bolting or the like.
  • two protective plates (33-34) are provided on the front face of the above-mentioned device.
  • the means used are extremely simple, easy to implement.
  • the distance of the carriage's alternative movement will depend on the width of the folds of the ribbon.
  • the active length of the belt strands will naturally vary depending on the range of movement of the carriage.
  • the advantages of the device according to the invention are in particular the following: -
  • the textile band is positively distributed - Strips of different widths can be folded without changing the setting - Light items, such as lace, can be folded with this device -
  • the length of the belt can be adapted according to the needs and lengths of setting of the textile bands.
  • the belt is chosen from a solid and durable material, taking into account the large number of stresses, in deformation of the belt according to the cycles and speed of movement of the carriage.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

The invention relates to an improved device for the zig-zag folding of a continuously fed web of flexible material, such as tape. According to the invention, the device comprises two units comprising, in particular, two pinions (15, 16) interacting with a fixed rack (17) arranged transversely in the table top, during the transverse movement of the carriage (7), the said pinions (15-16) interacting with means (19-20) which consist in making each of the rollers (4 and 5) alternately positive, respecting the direction in which the web unwinds, whatever the direction of movement of the carriage, and in that it comprises a means (27) acting during the shaping of the folds of the tapes, at the outlet of the rollers (4 and 5), and consisting in exerting an alternating temporary pressing and pushing action on each of the folded parts of the tapes, accompanying the direction of movement of the carriage. <IMAGE>

Description

L'invention a pour objet un dispositif perfectionné pour le pliage en zig zag d'une bande flexible en matériau textile amenée en continu.The invention relates to an improved device for zig-zag folding of a flexible strip of textile material fed continuously.

L'invention se rattache au secteur technique des machines et matériels de conditionnement de bandes flexibles en matériau textile du type rubans et produits similaires.The invention relates to the technical sector of machines and equipment for packaging flexible bands made of textile material such as ribbons and similar products.

Les rubans et autres bandes textiles fabriquées en continu sur des métiers, doivent être conditionnées dans des emballages. Pour ce faire, une méthode ancienne consiste à les plier en zig zag selon un mouvement continu en va et vient déterminant des longueurs de bandes. Pour ce faire, on utilise sur un entablement ménagé à cet effet, un chariot consitué de galets tournant entre lesquels la bande flexible est introduite et qui par son déplacement alterné met en forme de zig zag et en continu le ruban. Le chariot est animé du mouvement alterna­tif précité et permet ainsi d'obtenir en succession des lon­gueurs de bandes, prédeterminées, ainsi qu'illustré figure 1.Ribbons and other textile bands produced continuously on looms must be packaged. To do this, an old method consists in folding them in a zig zag in a continuous movement back and forth determining lengths of bands. To do this, a carriage made up of rotating rollers between which the flexible strip is introduced and which by its alternating movement forms a zig zag and continuously the ribbon is used on an entablature provided for this purpose. The carriage is driven by the aforementioned reciprocating movement and thus makes it possible to obtain, in succession, predetermined strip lengths, as illustrated in FIG. 1.

Les différentes longueurs de bande doivent être acheminées dans un emballage, tout en conservant une certaine tenue de présentation.The different lengths of tape must be sent in a package, while maintaining a certain presentation attire.

Le problème posé est inhérent à la nature de la bande textile ou ruban qui est souple, pliable par définition. Il consiste, dans la tenue des différentes longueurs de bande, qui ont tendance à s'affaisser naturellement.The problem posed is inherent in the nature of the textile band or ribbon which is flexible, foldable by definition. It consists, in holding the different lengths of tape, which tend to sag naturally.

Cela est particulièrement génant pour la qualité du conditionnement.This is particularly annoying for the quality of the packaging.

On a donc tenté de trouver une solution satisfaisan­te à cette question et un dispositif a été décrit dans le brevet européen 62753. Ce brevet prévoit en particulier, des moyens de freinage exerçant une pression sur les bords longitu­dinaux de la bande avant pliage.An attempt has therefore been made to find a satisfactory solution to this question and a device has been described in European patent 62753. This patent provides in particular for braking means exerting pressure on the longitudinal edges of the strip before folding.

La bande est ainsi introduite entre un plan d'appui inférieur et un plan d'appui supérieur, tandis que des moyens poussoirs guident les bandes dans les bandes ainsi définies.The strip is thus introduced between a lower support plane and an upper support plane, while pushing means guide the strips in the strips thus defined.

Le mécanisme décrit dans ce brevet est complexe et ne permet pas une adaptabilité aisée du système en fonction de la largeur du ruban, même s'il y avait possibilité de réglage en hauteur des moyens exerçant l'appui supérieur.The mechanism described in this patent is complex and does not allow easy adaptability of the system according to the width of the tape, even if there was the possibility of height adjustment of the means exerting the upper support.

En outre les rouleaux n'ont qu'un rôle d'entraine­ment et de guidage de la bande.In addition, the rollers have only a role in driving and guiding the strip.

L'objet de l'invention vise à remédier à ces incon­vénients.The object of the invention is to remedy these drawbacks.

La solution proposée par l'invention est particuliè­rement originale, simple à mettre en oeuvre. Elle présente de nombreux avantages dans la qualité de tenue des différents pliages en zig zag de la bande, celle-ci étant distribuée positivement.The solution proposed by the invention is particularly original, simple to implement. It has many advantages in the quality of resistance of the different zig zag folds of the strip, the latter being distributed positively.

En outre, des articles légers, type dentelle, peu­vent être pliés avec le dispositif, selon l'invnetion.In addition, light items, lace type, can be folded with the device, according to the invnetion.

Selon une première caractéristique de l'invention, le dispositif est remarquable en ce que le dispositif per­fectionné pour le pliage en zig zag d'une bande en matériau flexible amenée en continu, du type comprenant un entablement avec une une zone arrière et des moyens de distribution de la bande fabriquée, une zone centrale agencée avec une fente transversale autorisant le déplacement alternatif d'un couple de galets entre lesquels est guidé la bande, les dits galets étant disposés sur un chariot animé par des moyens de commandes d'une mouvement transversal alternatif en regard de la fente précitée et autorisant ainsi à la sortie des galets la mise en pli d'un ruban , et d'une zone avant autorisant la réception et l'évacuation des parties du ruban plié en continu et leur évacuation vers la zone de conditionnement, le disposi­tif comprenant, en outre, des moyens de poussée des parties de rubans pliées ; le dispositif étant remarquable en ce qu'il comprend deux ensembles comprenant notamment deux pignons , coopérant avec une crémaillère fixe disposée transverslament dans l'entablement, lors du déplacement transversal du chariot , lesdits pignons coopérant avec des moyens associés aux galets , les dits moyens consistant à rendre positif alterna­ tivement chacun des galets en respectant le sens de défilement de la bande, quel que soit le sens de déplacement du chariot , et en ce qu'il comprend un moyen agissant pendant la mise en forme des plis des rubans, à la sortie des galets et consis­tant à exercer une pression et poussée temporaire alternées de chacune des parties des rubans mises en pli, en accompagnant le sens de déplacement du chariot.According to a first characteristic of the invention, the device is remarkable in that the improved device for the zig-zag folding of a strip of flexible material fed continuously, of the type comprising an entablature with a rear zone and means for distribution of the fabricated strip, a central zone arranged with a transverse slot allowing the alternating movement of a pair of rollers between which the strip is guided, the said rollers being placed on a carriage driven by means of controls of a transverse movement alternative opposite the aforementioned slot and thus authorizing at the exit of the rollers the crimping of a ribbon, and a front zone authorizing the reception and the evacuation of the parts of the ribbon folded continuously and their evacuation towards the zone packaging, the device further comprising means for pushing the portions of folded ribbons; the device being remarkable in that it comprises two assemblies comprising in particular two pinions, cooperating with a fixed rack arranged transverslament in the entablature, during the transverse movement of the carriage, said pinions cooperating with means associated with the rollers, said means consisting to make positive alterna each of the rollers respecting the direction of travel of the strip, whatever the direction of movement of the carriage, and in that it comprises a means acting during the shaping of the folds of the ribbons, at the exit of the rollers and consisting in exerting alternating pressure and temporary pushing of each of the parts of the folded ribbons, accompanying the direction of movement of the carriage.

Selon une autre caractéristique le dispositif est remarquable en ce que les moyens agissant sur les galets sont des roues libres, montées en opposition.According to another characteristic, the device is remarkable in that the means acting on the rollers are freewheels, mounted in opposition.

Ces carctéristiques et d'autres ressortiront bien de la suite de la description.These and other characteristics will become apparent from the following description.

Pour fixer l'objet de l'invention illustrée d'une manière non limitative aux figures des dessins où :

  • La figure 1 est une vue en perspective du dispositif selon l'invention positionné sur un entablement.
  • La figure 2 est une vue de dessus selon la figure 1.
  • La figure 3 est une vue partielle de l'entablement illustrant le positionnement du dispositif et de ses éléments constitutifs.
  • La figure 4 est une vue partielle arrière des moyens support des galets.
  • La figure 5 est une vue en coupe selon la ligne (5-­5) de la figure 4.
  • La figure 6 est une vue en coupe selon la ligne (6-­6) de la figure 5.
  • Les figures 7 et 8 sont des vues à carctères schéma­tiques illustrant le fonctionnement du dispositif selon l'in­vention et la mise en forme successive des plis.
To fix the subject of the invention illustrated in a nonlimiting manner in the figures of the drawings where:
  • Figure 1 is a perspective view of the device according to the invention positioned on an entablature.
  • Figure 2 is a top view according to Figure 1.
  • Figure 3 is a partial view of the entablature illustrating the positioning of the device and its constituent elements.
  • Figure 4 is a partial rear view of the roller support means.
  • Figure 5 is a sectional view along the line (5-5) of Figure 4.
  • Figure 6 is a sectional view along line (6-6) of Figure 5.
  • Figures 7 and 8 are schematic diagrams illustrating the operation of the device according to the invention and the successive shaping of the folds.

Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative illustré aux figures des dessins.In order to make the object of the invention more concrete, it is now described in a nonlimiting manner illustrated in the figures of the drawings.

Le dispositif selon l'invention vise à assurer le pliage en zigzag de bandes flexibles notamment en matériau textile, selon une mise en continu automatique. Ce dispositif est donc positionné de manière connue sur un entablement (1) présentant successivement une zone et des moyens (2) de distri­bution de la bande en provenance d'un rouleau sur lequel la bande a été enroulée lors de la fabrication, ou en vrac selon les modalités préalables de cette fabrication. Le moyen (2) représente de manière non limitative un guide de renvoi et de présentation de la bande vers les galets (4 et 5) d'achemine­ment de celle-ci.The device according to the invention aims to ensure the zigzag folding of flexible strips, in particular of textile material, according to an automatic continuous setting. These measures is therefore positioned in a known manner on an entablature (1) successively having an area and means (2) for distributing the strip coming from a roll on which the strip has been wound during manufacture, or in bulk according to the prior modalities of this manufacturing. The means (2) represents, without limitation, a guide for returning and presenting the strip to the rollers (4 and 5) for conveying the latter.

La partie centrale ou sensiblement de l'entablement est agencée avec une fente (3) transversale autorisant le déplacement alternatif d'un couple de galets (4 et 5) , montés en rotation opposée et entre lesquels est guidée l'extrémité de la bande, puis la bande elle-même, étant mise en pli en zig zag.The central or substantially part of the entablature is arranged with a transverse slot (3) allowing the alternating movement of a pair of rollers (4 and 5), mounted in opposite rotation and between which the end of the strip is guided, then the strip itself, being zig zag folded.

Les moyens moteurs autorisant le déplacement trans­versal d'un chariot support (7) du couple de galet (4 et 5) sont disposés dans la partie inférieure de l'entablement et protégés par des plaques de protection.The motor means authorizing the transverse movement of a support carriage (7) of the roller pair (4 and 5) are arranged in the lower part of the entablature and protected by protective plates.

Suite au mouvement alterné du chariot support, la bande pliée est alors acheminée sur la partie avant de l'enta­blement en étant guidée longitudinalement par des profilés (6) fixés de toute manière appropriée. Ainsi au fur et à mesure du pliage de la bande, celle-ci est acheminée vers l'avant de l'entablement et tombe dans un emballage ou conditionnement prévu à cet effet et non illustré.Following the alternating movement of the support carriage, the folded strip is then conveyed on the front part of the entablature, being guided longitudinally by profiles (6) fixed in any suitable manner. Thus, as the strip is folded, it is conveyed towards the front of the entablature and falls into a wrapping or packaging provided for this purpose and not illustrated.

Le dispositif, selon l'invention, permet de présen­ter les différents pliages successifs de la bande dans une postion verticale ou sensiblement, sur chant et de conserver une bonne tenue pendant toute l'avance de la bande pliée vers son conditionnement.The device, according to the invention, makes it possible to present the various successive folds of the strip in a vertical position or substantially, on edge and to maintain good hold during the entire advance of the folded strip towards its packaging.

A cet effet, le dispositif présente deux particula­rités essentielles :
- Une première particularité consiste à rendre posi­tif alternativement chacun des galets (4 et 5) en respectant ainsi le sens de défilement de la bande, quel que soit le sens de déplacement du chariot.
- L'autre particularité consiste à agir par des moyens contre les brins de la partie de bande en regard à la sortie du couple de galets (4-5)distributeurs en assurant une mise en pression et en tension alternée de chacune des demi parties de bandes venant d'être exécutées, ramenant ainsi, toujours à la verticale, les parties de bandes pliées.To this end, the device has two essential features:
- A first feature consists in alternately making each of the rollers (4 and 5) positive, thus respecting the direction of travel of the strip, whatever the direction. movement of the carriage.
- The other particularity consists in acting by means against the strands of the strip part opposite the output of the pair of distributing rollers (4-5) by ensuring pressurization and alternating tension of each of the half parts of strips which have just been executed, thus bringing back, still vertically, the parts of folded strips.

On décrit maintenant de manière plus détaillée, les différents moyens constitutifs de l'invention.The various constituent means of the invention will now be described in more detail.

Le dispositif pris dans son ensemble est tout d'abord monté sur un chariot (7). Ce dernier comprend, par exemple, une semelle (7-1) profilé en U éventuellement, et dont les extrémités sont agencées à leur partie supérieure pour recevoir des plaques d'appui (7-2) supportant des paliers (8).The device taken as a whole is first mounted on a carriage (7). The latter comprises, for example, a sole (7-1) possibly U-shaped, and the ends of which are arranged at their upper part to receive support plates (7-2) supporting bearings (8).

En variante l'ensemble peut être réalisé monobloc.As a variant, the assembly can be made in one piece.

Les paliers sont guidés le long de deux coulisses (9 et 10) disposées transversalement à l'entablement. Le chariot peut donc être déplacé dans un mouvement alternatif et trans­versal, par rapport à l'entablement, en étant sensiblement en regard de la fente transversale (3) formée sur ledit entable­ment.The bearings are guided along two slides (9 and 10) arranged transversely to the entablature. The carriage can therefore be moved in a reciprocating and transverse movement, relative to the entablature, while being substantially opposite the transverse slot (3) formed on said entablature.

Afin d'assurer ledit mouvement le chariot est asso­cié par sa partie inférieure à des moyens de commandes appro­priées connus de l'homme de l'art et pouvant, par exemple, et non limitativement, être constitué par un système de bielles ou manivelles commandés par un moteur assurant le mouvement de va et vient précité.In order to ensure said movement, the carriage is associated by its lower part with appropriate control means known to those skilled in the art and which can, for example, and without limitation, be constituted by a system of connecting rods or cranks controlled by a motor ensuring the aforementioned back and forth movement.

L'amplitude de déplacement du chariot est réglable de manière connue et est fonction de la longueur des plis de rubans à obtenir.The amplitude of movement of the carriage is adjustable in a known manner and is a function of the length of the plies of ribbons to be obtained.

Selon l'invention, le dispositif est fixé au cha­riot, avantageusement, dans la partie médiane et centrale de la semelle. Il comprend tout d'abord, un chapeau support (11) de liaison des deux ensembles associés à chacun des galets (4 et 5), ledit chapeau étant solidarisé par une ou des vis de liaison (12) à la semelle.According to the invention, the device is fixed to the carriage, advantageously, in the central and central part of the sole. First of all, it comprises a support cap (11) for connecting the two assemblies associated with each of the rollers (4 and 5), said cap being secured by one or more connecting screws. (12) at the sole.

A partir de ce chapeau sont disposés dans des plans parallèles et verticaux les moyens commandant et assurant le défilement de la bande de ruban, entre les galets (4 et 5).From this cap are arranged in parallel and vertical planes the means controlling and ensuring the travel of the strip of tape, between the rollers (4 and 5).

Les galets se trouvent dans un plan supérieur à l'entablement et les autres moyens, dans la partie inférieure protégée par des plaques de protection. Ces moyens comprennent montés sur un arbre (13) (14) correspond à chaque galet (4-5), des pignons (15) (16) susceptible de coopérer avec une crémail­lère fixe (17) disposée sur le bâti de l'entablement entre les deux coulisses et dans le même plan de celles-ci.The rollers are in a plane above the entablature and the other means, in the lower part protected by protective plates. These means include mounted on a shaft (13) (14) corresponding to each roller (4-5), pinions (15) (16) capable of cooperating with a fixed rack (17) disposed on the frame of the entablature between the two slides and in the same plane of them.

Un bloc (18) écarteur et de maintien assure le guidage desdits arbres et maintenu en position dans un plan fixe, par une structure porteuse (24) associée à la semelle du chariot, par des moyens appropriés. Deux roues libres (19-20) montées en opposition sont positionnées sur lesdits arbres, au dessus du bloc écarteur, chacune en étroite relation avec l'un des galets (4-5).A spacer and retaining block (18) guides said shafts and is held in position in a fixed plane, by a support structure (24) associated with the base of the carriage, by appropriate means. Two freewheels (19-20) mounted in opposition are positioned on said shafts, above the spacer block, each in close relation with one of the rollers (4-5).

Les galets (4-5) sont disposés chacun au dessus de chaque roue libre en étant indexés par des moyens appropriés. Ces deux galets sont en contact l'un de l'autre, tandis qu'une plaque entretoise (21) est montée en bout des galets dans un plan horizontal et assure leur protection et maintien.The rollers (4-5) are each arranged above each free wheel, being indexed by appropriate means. These two rollers are in contact with one another, while a spacer plate (21) is mounted at the end of the rollers in a horizontal plane and ensures their protection and maintenance.

En outre, ladite plaque reçoit des tiges (22-23) de liaison et de guidage desdits galets (4 et 5) , l'extrémité desdites tiges étant associée aux moyens précités pour complé­ter le montage du dispositif.In addition, said plate receives rods (22-23) connecting and guiding said rollers (4 and 5), the end of said rods being associated with the aforementioned means to complete the mounting of the device.

Selon une autre disposition, afin d'assurer le gui­dage du ruban se présentant à l'arrière des deux galets (4 et 5), il est prévu des tiges de guidage (25) verticales et paral­lèles montées à partir de la structure porteuse. Il est prévu, par ailleurs, et eventuellement, un bloc (26) coulissant le long des tiges, avec sur sa partie avant, un double profil inversé courbe, s'ajustant autour des parties de galets, curvilignes de lignes en regard.According to another arrangement, in order to guide the ribbon appearing at the rear of the two rollers (4 and 5), there are provided vertical and parallel guide rods (25) mounted from the support structure. It is also provided, and optionally, a block (26) sliding along the rods, with on its front part, a double curved inverted profile, adjusting around the curvilinear roller parts. of lines next to each other.

Ce bloc est réglable en hauteur par rapport au plan de l'entablement, la hauteur correspondant à la largeur du ruban. on évite, ainsi, le débattement ou un mouvement inopiné du ruban, avant son passage entre les galets (4-5).This block is adjustable in height relative to the plane of the entablature, the height corresponding to the width of the ribbon. this avoids the movement or an unexpected movement of the ribbon, before it passes between the rollers (4-5).

Ainsi qu'indiqué précédemment, le dispositif, selon l'invention présente des moyens assurant une bonne tenue des parties de rubans pliées en zig zag et évitant son tassement ou affaissement.As indicated above, the device according to the invention has means ensuring good resistance of the portions of ribbons bent in a zig zag and preventing its compaction or sagging.

Il ya lieu de se référer, plus spécifiquement, aux figures 1, 2, 7 et 8.Reference should be made, more specifically, to Figures 1, 2, 7 and 8.

Le dispositif comprend, ainsi, un moyen agissant pendant la mise en forme des plis de rubans et altérenativement, selon la position du chariot et donc des galets (4 et 5), sur les parties de rubans pliées. Cette action consiste, dans l'exercice d'une pression et d une poussée temporaire, contre la partie du ruban mise en pli et accompagnant le sens de déplacement du chariot.The device thus comprises a means acting during the shaping of the folds of ribbons and alternately, depending on the position of the carriage and therefore of the rollers (4 and 5), on the portions of folded ribbons. This action consists, in the exercise of a pressure and a temporary push, against the part of the ribbon folded and accompanying the direction of movement of the carriage.

Ce moyen consiste, en une courroie (27), disposée en sortie des galets (4 et 5), accompagnant automatiquement le mouvement du chariot, ceci, afin de maintenir les couches ou parties de rubans pliées et de faciliter le dégagement du dispositif de mise en pli, par un mouvement d'avance progressif du ruban conditionné en zig zag.This means consists of a belt (27), arranged at the outlet of the rollers (4 and 5), automatically accompanying the movement of the carriage, this, in order to keep the layers or parts of ribbons folded and to facilitate the release of the setting device. in fold, by a progressive advance movement of the ribbon conditioned in zig zag.

Plus spécifiquement, cette courroie est fixée à ces extrémités (27-1) (27-2) sur des tiges ou axes (28), montés à position fixe sur l'entablement mais, dans une position sensiblement avancée, par rapport au plan avantdes galets (4-5) en donnant ainsi une angulation (α).More specifically, this belt is fixed at these ends (27-1) (27-2) on rods or axes (28), mounted in a fixed position on the entablature but, in a substantially advanced position, relative to the front plane rollers (4-5) thus giving an angulation (α).

A l'extrémité arrière de l'entablement, sont dispo­sés deux axes de renvoi (29-30) de la courroie, à position fixe. Ladite courroie est également guidée, de part et d'au­tre, de chaque galet (4-5). En effet, et de manière originale, la plaque entretoise (21) fixée au dessus de chaque galet est agencée, pour recevoir à partir de ses extrémités avant, et dans un plan excentré par rapport à l'axe des galets, deux tiges de renvoi (31-32) fixées de manière démontable, par boulonnage ou similaire.At the rear end of the entablature are arranged two return axes (29-30) of the belt, in a fixed position. Said belt is also guided, on either side, of each roller (4-5). Indeed, and in an original way, the spacer plate (21) fixed above each roller is arranged, to receive from its front ends, and in an eccentric plane with respect to the axis of the rollers, two return rods (31-32) fixed in a removable manner, by bolting or the like.

Ainsi, la courroie est guidée dans l'intervalle for­mé, entre chaque tige (31-32) et son galet en regard. On com­prend bien de ce fait que par suite du mouvement alternatif du chariot, la courroie va être animée naturellement, d'un mouve­ment de déplacement, suivant le chariot, ainsi qu'il apparait aux figures 7 et 8.Thus, the belt is guided in the gap formed, between each rod (31-32) and its facing roller. It is therefore clear from this fact that as a result of the reciprocating movement of the carriage, the belt will naturally be animated, with a movement of displacement, following the carriage, as it appears in FIGS.

En outre, il est prévu deux plaques de protection (33-34), sur la face avant du dispositif précité.In addition, two protective plates (33-34) are provided on the front face of the above-mentioned device.

Ces plaques sont fixées par boulonnage sur la plaque entretoise (21). Ces plaques protègent et obturent les zones de renvoi de la courroie près des galets (4 et 5) et permettent, en outre, un guidage du ruban à la sortie des galets.These plates are fixed by bolting to the spacer plate (21). These plates protect and seal the return areas of the belt near the rollers (4 and 5) and also allow the ribbon to be guided at the exit of the rollers.

Ainsi, de par le montage précité de la courroie, on comprend que des brins (27-3) de celle ci entre leur zone de fixation à leur extrémités et les tiges de renvoi associées au montage des galets (4 et 5), vont avoir une action positive sur les parties de rubans mis en forme de plis. L'angulation ( ) va permettre alternativement selon le sens de déplacement du chariot l'action positive d'un brin de la courroie sur les plis formés du ruban. Cette action va se réaliser par l'effet d'une force progressive de poussée, qui aura tendance à ramener les plis de rubans les uns contre les autres et de les maintenir droits et ainsi éviter leur affaissement.Thus, from the aforementioned mounting of the belt, it is understood that strands (27-3) thereof between their attachment zone at their ends and the return rods associated with the mounting of the rollers (4 and 5), will have a positive action on the parts of ribbons in the form of folds. The angulation () will allow alternately depending on the direction of movement of the carriage the positive action of a strand of the belt on the folds formed from the ribbon. This action will be carried out by the effect of a progressive pushing force, which will tend to bring the folds of ribbons against each other and keep them straight and thus prevent them from sagging.

Par ailleurs, l'exercice de cette force de poussée donnée alternativement par les brins de courroie, provoque directement la poussée progressive des plis de rubans le long de la goulotte de distribution, située à l'avant de l'entable­ment. Les actions répétées, à chaque pas et tassement du cha­riot, ont pour résultat de faire obtenir une parfaite tenue du ruban.Furthermore, the exercise of this pushing force given alternately by the belt strands, directly causes the progressive pushing of the ribbon plies along the distribution chute, located at the front of the entablature. The repeated actions, at each step and compaction of the carriage, result in obtaining a perfect hold of the ribbon.

Les moyens utilisés sont extrèmement simples, fa­ciles à mettre en oeuvre.The means used are extremely simple, easy to implement.

La distance de déplacement alternatif du chariot sera fonction de la largeur des plis du ruban. La longueur active des brins de la courroie, variera naturellement en fonction de l'amplitude de déplacement du chariot.The distance of the carriage's alternative movement will depend on the width of the folds of the ribbon. The active length of the belt strands will naturally vary depending on the range of movement of the carriage.

Les avantages du dispositif selon l'invention sont notamment les suivants :
- La bande textile est distribuée positivement
- Les bandes de largeur différentes peuvent être pliées sans modification de réglage
- Les articles légers, du type dentelle, peuvent être pliés avec ce dispositif
- La longueur de la courroie peut être adaptée en fonction des besoins et des longueurs de mise en plis des bandes textiles.The advantages of the device according to the invention are in particular the following:
- The textile band is positively distributed
- Strips of different widths can be folded without changing the setting
- Light items, such as lace, can be folded with this device
- The length of the belt can be adapted according to the needs and lengths of setting of the textile bands.

En cas de grande longueur il suffirait de déplacer la position des points fixes de la courroie.In case of great length it would be enough to move the position of the fixed points of the belt.

La courroie est choisie dans un matériau solide et durable, compte-tenu, du grand nombre de sollicitation, en déformation de la courroie selon les cycles et vitesse de déplacement du chariot.The belt is chosen from a solid and durable material, taking into account the large number of stresses, in deformation of the belt according to the cycles and speed of movement of the carriage.

Claims (8)

-1- Dispositif perfectionné pour le pliage en zig zag d'une bande en matériau flexible amenée en continu, du type comprenant un entablement (1) avec une une zone arrière et des moyens (2) de distribution de la bande fabriquée, une zone centrale agen­cée avec une fente (3) transversale autorisant le déplacement alternatif d'un couple de galets (4 et 5) entre lesquels est guidée la bande, les dits galets étant disposés sur un chariot (7) animé par des moyens de commandes d'une mouvement transver­sal alternatif en regard de la fente précitée et autorisant ainsi à la sortie des galets (4 et 5) la mise en pli d'un ruban , et d'une zone avant autorisant la réception et l'évacuation des parties du ruban plié en continu et leur évacuation vers la zone de conditionnement, le dispositif comprenant, en outre, des moyens de poussée des parties de rubans pliées ; le dispo­sitif étant caractérisé en ce qu'il comprend deux ensembles comprenant notamment deux pignons (15-16), coopérant avec une crémaillère fixe (17) disposée transverslament dans l'entable­ment, lors du déplacement transversal du chariot (7), lesdits pignons (15-16) coopérant avec des moyens (19-20) associées aux galets (4 et 5), les dits moyens (19-20) consistant à rendre positif alternativement chacun des galets (4 et 5) en respec­tant le sens de défilement de la bande, quel que soit le sens de déplacement du chariot , et en ce qu'il comprend un moyen (27) agissant pendant la mise en forme des plis des rubans, à la sortie des galets (4 et 5) et consistant à exercer une pression et poussée temporaire alternées de chacune des parties des rubans mises en pli, en accompagnant le sens de déplacement du chariot.-1- Improved device for zig-zag folding of a strip of flexible material fed continuously, of the type comprising an entablature (1) with a rear zone and means (2) for distributing the manufactured strip, a zone central unit arranged with a transverse slot (3) authorizing the alternating movement of a pair of rollers (4 and 5) between which the strip is guided, the said rollers being arranged on a carriage (7) driven by control means for a reciprocating transverse movement opposite the aforementioned slot and thus authorizing at the exit of the rollers (4 and 5) the setting of a ribbon, and a front zone authorizing the reception and the evacuation of the parts of the folded ribbon continuously and their evacuation to the packaging area, the device further comprising means for pushing the portions of folded ribbons; the device being characterized in that it comprises two assemblies comprising in particular two pinions (15-16), cooperating with a fixed rack (17) disposed transverslament in the entablature, during the transverse movement of the carriage (7), said pinions ( 15-16) cooperating with means (19-20) associated with the rollers (4 and 5), the said means (19-20) consisting in making each of the rollers (4 and 5) positive alternately while respecting the direction of travel of the strip, whatever the direction of movement of the carriage, and in that it comprises means (27) acting during the shaping of the folds of the ribbons, at the exit of the rollers (4 and 5) and consisting in exerting alternating temporary pressure and pushing of each of the parts of the folded ribbons, accompanying the direction of movement of the carriage. -2- Dispositif selon la revendication 1, carctérisé en ce que les moyens (19-20) agissant sur les galets (4 et 5) sont des roues libres, montées en opposition.-2- Device according to claim 1, characterized in that the means (19-20) acting on the rollers (4 and 5) are freewheels, mounted in opposition. -3- Dispositif selon les revendications 1 et 2 ensemble, carac­térisé en ce que les deux ensembles comprennent un chapeau (11), support de liaison fixé au chariot et à partir duquel sont disposés des arbres (13-14) correspondant à chaque galet (4-5), des pignons (15-16), un bloc écarteur (18) et de main­tien et guidage desdits arbres, associé à une structure por­teuse (24), solidaire du chariot, deux roues libres (19-20) disposées au dessus du bloc écarteur, chacun en étroite rela­tion avec l'un des galets (4-5), une plaque entretoise (21) supérieure de liaison desdits galets, ladite plaque recevant des tiges (22-23) de liaison, associées aux moyens précités.-3- Device according to claims 1 and 2 together, characterized in that the two assemblies include a cap (11), connection support fixed to the carriage and from which are arranged shafts (13-14) corresponding to each roller ( 4-5), pinions (15-16), a spacer block (18) and for holding and guiding said shafts, associated with a support structure (24), integral with the carriage, two free wheels (19-20) arranged at above the spacer block, each in close relation with one of the rollers (4-5), an upper spacer plate (21) connecting said rollers, said plate receiving rods (22-23) connecting, associated with the aforementioned means . -4- Dispositif selon la revendication 3, caractérisé en ce qu'il comprend à l'arrière des galets (4-5) des tiges de gui­dage (25) verticales et parallèles montées à partir de la structure porteuse et entre lesquelles est introduit, préala­blement, la bande flexible ; sur lesdites tiges, étant monté coulissant et réglable en hauteur, un bloc profilé (26).-4- Device according to claim 3, characterized in that it comprises at the rear of the rollers (4-5) vertical and parallel guide rods (25) mounted from the support structure and between which is introduced, beforehand, the flexible strip; on said rods, being slidably mounted and adjustable in height, a profiled block (26). -5- Dispositif selon la revendication 1, caractérisé en ce que le dit moyen agissant pour la mise en forme des plis de rubans ou bandes selon la position du chariot est une courroie (27) dont les extrémités sont à position fixe et susceptible d'une déformation selon un mouvement de va et vient , en relation avec le mouvement de déplacement alternatif du chariot.-5- Device according to claim 1, characterized in that said means acting for the shaping of the folds of ribbons or bands according to the position of the carriage is a belt (27) whose ends are in a fixed position and capable of a deformation according to a back and forth movement, in relation to the reciprocating movement of the carriage. -6- Dispositif selon la revendication 5, caractérisé en ce que les extrémités fixes de la courroie (27) sont disposées sur l'entablement sur des axes (28) dans un plan sensiblement en avant par rapport au plan avant des galets (4-5) et donnant une angulation ( ), ladite courroie étant, en outre, guidée par les axes de renvoi (29-30) disposés fixes dans la partie arrière de l'entablement, ladite courroie étant assujettie à une déforma­tion cyclique, en fonction du déplacement du chariot par des moyens (31-32) associés au mouvement dudit chariot.-6- Device according to claim 5, characterized in that the fixed ends of the belt (27) are arranged on the entablature on axes (28) in a plane substantially forward relative to the front plane of the rollers (4- 5) and giving an angulation (), said belt being, moreover, guided by the return axes (29-30) arranged fixed in the rear part of the entablature, said belt being subject to cyclic deformation, depending on the movement of the carriage by means (31-32) associated with the movement of said carriage. -7- Dispositif selon les revendications 3 et 6 ensemble, carac­térisé en ce que les dits moyens (31-32) sont fixés sur la plaque entretoise (21), disposée au dessus et en liaison des galets (4-5) ; les dits moyens étant des tiges de renvoi, définissant avec les galets, un intervalle de passage de la courroie.-7- Device according to claims 3 and 6 together, characterized in that said means (31-32) are fixed on the spacer plate (21), disposed above and in connection with the rollers (4-5); said means being return rods, defining with the rollers, a belt passage interval. -8- Dispositif selon la revendication 7, caractérisé en ce que les brins (27-3) de la courroie définis entre la zone de fixation des extrémités de celle-ci et les tiges de renvoi (31-­32) associées au montage des galets (4-5) exercent une action positive sur les plis formés de la bande.-8- Device according to claim 7, characterized in that the strands (27-3) of the belt defined between the zone for fixing the ends of the latter and the return rods (31-32) associated with the mounting of the rollers (4-5) exert a positive action on the folds formed from the strip.
EP89420357A 1988-09-22 1989-09-21 Apparatus for the zig-zag folding of a continuously fed flexible web of textile material Expired - Lifetime EP0360712B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89420357T ATE93813T1 (en) 1988-09-22 1989-09-21 DEVICE FOR FOLDING A FLEXIBLE WEB OF TEXTILE MATERIAL WITH CONTINUOUS FEED IN ZIGZAG.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8812709 1988-09-22
FR8812709A FR2636614B1 (en) 1988-09-22 1988-09-22 IMPROVED DEVICE FOR ZIG-ZAG FOLDING OF A FLEXIBLE STRIP OF TEXTILE MATERIAL, CONTINUOUSLY PROVIDED

Publications (2)

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EP0360712A1 true EP0360712A1 (en) 1990-03-28
EP0360712B1 EP0360712B1 (en) 1993-09-01

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EP89420357A Expired - Lifetime EP0360712B1 (en) 1988-09-22 1989-09-21 Apparatus for the zig-zag folding of a continuously fed flexible web of textile material

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EP (1) EP0360712B1 (en)
AT (1) ATE93813T1 (en)
DE (1) DE68908821T2 (en)
ES (1) ES2047145T3 (en)
FR (1) FR2636614B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991012194A1 (en) * 1990-02-08 1991-08-22 Ets. J. Cheynet Et Ses Fils Improved device for zigzag folding of a continuous tape
GB2359310A (en) * 2000-02-17 2001-08-22 Leeds Dyers Ltd Cloth folding apparatus
CN109957957A (en) * 2019-03-15 2019-07-02 浙江大学 Device and method of automatic folding machine based on embedded system
CN113306767A (en) * 2021-05-26 2021-08-27 深圳市浩达电路有限公司 Finishing device is used in production of mechano-electronic engineering resistance

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107758015A (en) * 2016-08-16 2018-03-06 谭红卫 A kind of automatic folding machine of resistance braid

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE1141610B (en) * 1953-11-12 1962-12-27 Richard Kauschka Folding device for material webs
CH462087A (en) * 1966-03-16 1968-09-15 Montforts Fa A Device for vertical table movement in a laying machine for web-shaped material, in particular for textile webs
DE2225941A1 (en) * 1972-05-27 1973-12-13 Krantz H Fa Cuttle motion - for stacking fabrics etc with fabric drawn at same speed as cuttle motion
FR2434774A1 (en) * 1978-09-02 1980-03-28 Krauss & Reichert Gmbh Co Kg FABRIC FOLDER
EP0062753B1 (en) * 1981-04-09 1987-06-16 Hans Affüpper Device for the zig-zag loop folding of a continuously fed flexible web

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1141610B (en) * 1953-11-12 1962-12-27 Richard Kauschka Folding device for material webs
CH462087A (en) * 1966-03-16 1968-09-15 Montforts Fa A Device for vertical table movement in a laying machine for web-shaped material, in particular for textile webs
DE2225941A1 (en) * 1972-05-27 1973-12-13 Krantz H Fa Cuttle motion - for stacking fabrics etc with fabric drawn at same speed as cuttle motion
FR2434774A1 (en) * 1978-09-02 1980-03-28 Krauss & Reichert Gmbh Co Kg FABRIC FOLDER
EP0062753B1 (en) * 1981-04-09 1987-06-16 Hans Affüpper Device for the zig-zag loop folding of a continuously fed flexible web

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991012194A1 (en) * 1990-02-08 1991-08-22 Ets. J. Cheynet Et Ses Fils Improved device for zigzag folding of a continuous tape
US5211621A (en) * 1990-02-08 1993-05-18 Ets J. Cheynet Et Ses Fils Device for zigzag folding of a countinuous tape
GB2359310A (en) * 2000-02-17 2001-08-22 Leeds Dyers Ltd Cloth folding apparatus
CN109957957A (en) * 2019-03-15 2019-07-02 浙江大学 Device and method of automatic folding machine based on embedded system
CN109957957B (en) * 2019-03-15 2023-06-27 浙江大学 Device and method for automatic folding machine based on embedded system
CN113306767A (en) * 2021-05-26 2021-08-27 深圳市浩达电路有限公司 Finishing device is used in production of mechano-electronic engineering resistance
CN113306767B (en) * 2021-05-26 2022-09-27 湖南龙建达电子科技有限公司 Finishing device is used in production of mechano-electronic engineering resistance

Also Published As

Publication number Publication date
FR2636614A1 (en) 1990-03-23
FR2636614B1 (en) 1991-10-31
ES2047145T3 (en) 1994-02-16
EP0360712B1 (en) 1993-09-01
DE68908821T2 (en) 1994-04-21
DE68908821D1 (en) 1993-10-07
ATE93813T1 (en) 1993-09-15

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