EP0441749A1 - Reel for winding a multi-layered product in band-form - Google Patents

Reel for winding a multi-layered product in band-form Download PDF

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Publication number
EP0441749A1
EP0441749A1 EP91810070A EP91810070A EP0441749A1 EP 0441749 A1 EP0441749 A1 EP 0441749A1 EP 91810070 A EP91810070 A EP 91810070A EP 91810070 A EP91810070 A EP 91810070A EP 0441749 A1 EP0441749 A1 EP 0441749A1
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EP
European Patent Office
Prior art keywords
studs
winding
coil according
reel
flanges
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.)
Withdrawn
Application number
EP91810070A
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German (de)
French (fr)
Inventor
René Descombes
Roger Trolliet
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.)
CETISA
CABLES CORTAILLOD SA
Original Assignee
CETISA
CABLES CORTAILLOD 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 CETISA, CABLES CORTAILLOD SA filed Critical CETISA
Publication of EP0441749A1 publication Critical patent/EP0441749A1/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types

Definitions

  • the present invention relates to a winding reel for a multilayer strip product, the layers of which are made integral by points, in particular for a flat electric cable to be laid under a floor covering, in particular under a carpet, and comprising a sheet of insulating material in which are coated at least three flat conductors arranged in parallel, and a conductive screen constituted by a conductive strip, electrically and mechanically connected by solder points to one of the flat conductors connected to earth.
  • the present invention proposes to overcome these drawbacks and to allow packaging on winding coils of such types of products and in particular flat cables commonly called cables under carpet.
  • the winding reel according to the invention is characterized in that it carries a support for winding the multilayer product comprising at least two studs having a winding surface at least partially cylindrical, with parallel axes and separated by a free intermediate space arranged to receive the substantially straight sections of this product arranged between the curved sections bypassing said studs.
  • said studs are mounted between two lateral flanges.
  • the lateral flanges preferably have a polygonal shape.
  • said studs are three in number and the lateral flanges are substantially triangular.
  • said studs are four in number and the lateral flanges are substantially square.
  • said pads advantageously have a height equal to the width of the multilayer product.
  • the coil comprises at least one lateral flange carrying two studs having the shape of a half-cylinder and being arranged symmetrically with respect to the central axis of said lateral flange.
  • the winding coil essentially comprises two lateral flanges 11 and 12 having substantially the shape of a triangle with rounded angles. These two flanges are held parallel to each other by three cylindrical studs 13, of circular section, arranged in a triangle.
  • a flat cable called "under-carpet" cable is wound on this coil, and more exactly around the studs 13.
  • This flat cable is a multilayer product since it consists of a thin sheet of insulating material 15a which coats flat conductors and a conductive screen 15b which is electrically and mechanically connected to the earth conductor coated inside the sheet 15a, in weld zones or points 15c. Apart from these connection points, the two strips formed by the thin sheet of insulating material in which the flat conductors are located, and the conductive strip which constitutes the screen, are free relative to one another.
  • the space provided between the studs 13 makes it possible to accommodate bulges in the inner strip, bulges which are generated due to the curvature of the studs 13.
  • the circumferential length of the strip section arranged inside is greater than the corresponding length of the outside strip. Since the two bands are connected by points which are for example about 50 cm apart, the length of the lower strip sections housed between two adjacent studs will be greater than the length of the corresponding sections of the upper strip. Since the space between the pads is free, these additional lengths can be accommodated in flexibility without this resulting in permanent deformation and damage to the cable.
  • Fig. 2 illustrates a variant in which the coil 10 ′ comprises two flanges respectively 11 ′ and 12 ′ having substantially the shape of a square with rounded angles. These flanges are connected on the one hand, by four cylindrical studs 13 ′ arranged in the corners of the coil, and on the other hand by a tubular element 14 ′ mounted in the center of the coil. A flat cable 15 is wound on this coil around the studs 13 ′.
  • Fig. 3 illustrates another embodiment of a 10 ⁇ coil comprising a single flange 11 ⁇ , but which could also include two, carrying two studs 13 ⁇ .
  • These studs have, in this example, the shape of solid half-cylinders. However, they could be hollowed out or the semi-cylindrical winding surface could have a different shape, preferably curved, to allow guidance and support without folding of the strip 15.
  • the lateral flange has an oblong shape, rounded at its two ends and has a central opening 14 ⁇ which allows the passage of a winding axis. This opening could be replaced by a tubular element integral with the flange.
  • the shape of the flanges which defines the shape of the coils, can be modified as well as the number of connection pads around which the product is wound.
  • the flanges can have any polygonal shape, preferably regular, and the number of studs is at least two.
  • These pads can be solid or hollow and have a cylindrical shape or consist of simple curved plates having a radius of curvature sufficient to allow the winding of the cable without forming a break in the winding area.

Abstract

The present invention relates to a reel for winding a multi-layered product in band-form, the layers of which are connected by points. The reel (10) comprises two flanges (11 and 12) connected together by three hubs (drums), for example cylindrical hubs (drums) (13). The flanges are triangle-shaped and the hubs (drums) are arranged in the angles of this triangle. A tubular element (14) permitting the passage of a spindle is mounted at the centre of the reel. A cable (15) of the "under the mat"-type cable, comprising a layer (15a) of insulating material in which are arranged flat conductors and a conductive screen (15b) which is connected by point soldering (15c) to the earth conductor embedded in the insulating material, is wound around the hubs (drums) (13). This winding reel is particularly advantageous for flat cables laid under a floor covering, in particular under a mat or a carpet. <IMAGE>

Description

La présente invention concerne une bobine d'enroulement pour un produit multicouche en bande dont les couches sont rendues solidaires par points, notamment pour un câble électrique plat à poser sous un revêtement de sol, en particulier sous un tapis ou une moquette, et comprenant une nappe de matière isolante dans laquelle sont enrobés au moins trois conducteurs plats disposés parallèlement, et un écran conducteur constitué par une bande conductrice, électriquement et mécaniquement connectée par points de soudure à l'un des conducteurs plats relié à la terre.The present invention relates to a winding reel for a multilayer strip product, the layers of which are made integral by points, in particular for a flat electric cable to be laid under a floor covering, in particular under a carpet, and comprising a sheet of insulating material in which are coated at least three flat conductors arranged in parallel, and a conductive screen constituted by a conductive strip, electrically and mechanically connected by solder points to one of the flat conductors connected to earth.

Le conditionnement des produits multicouches longitudinalement non élastiques et dont les couches sont solidaires ponctuellement ou par zones distantes les unes des autres, s'effectue difficilement sur des bobines cylindriques conventionnelles. En effet, les longueurs circonférentielles des couches extérieure et intérieure par rapport à la courbure sont différentes. Il en résulte inévitablement des tractions et des compressions qui engendrent des déformations périodiques d'une ou de plusieurs couches, déformations qui se concrétisent sous la forme de plissements locaux. Dans le cas de câbles plats, ces déformations peuvent entraîner des dommages irréversibles tels que fissurations des couches d'isolation, amorces de rupture etc.The packaging of multilayer products which are longitudinally non-elastic and whose layers are attached punctually or in zones distant from each other, is difficult to carry out on conventional cylindrical coils. Indeed, the circumferential lengths of the outer and inner layers relative to the curvature are different. This inevitably results in pulls and compressions which generate periodic deformations of one or more layers, deformations which take the form of local folds. In the case of flat cables, these deformations can lead to irreversible damage such as cracking of the insulation layers, incipient fractures, etc.

La présente invention se propose de pallier ces inconvénients et de permettre le conditionnement sur des bobines d'enroulement de tels types de produits et notamment des câbles plats appelés couramment câbles sous tapis.The present invention proposes to overcome these drawbacks and to allow packaging on winding coils of such types of products and in particular flat cables commonly called cables under carpet.

Dans ce but, la bobine d'enroulement selon l'invention est caractérisée en ce qu'elle porte un support d'enroulement du produit multicouche comprenant au moins deux plots ayant une surface d'enroulement au moins partiellement cylindrique, d'axes parallèles et séparés par un espace intermédiaire libre agencé pour recevoir les tronçons sensiblement rectilignes de ce produit disposés entre les tronçons courbes contournant lesdits plots.For this purpose, the winding reel according to the invention is characterized in that it carries a support for winding the multilayer product comprising at least two studs having a winding surface at least partially cylindrical, with parallel axes and separated by a free intermediate space arranged to receive the substantially straight sections of this product arranged between the curved sections bypassing said studs.

Selon un mode de réalisation préféré, lesdits plots sont montés entre deux flasques latéraux.According to a preferred embodiment, said studs are mounted between two lateral flanges.

Les flasques latéraux ont de préférence une forme polygonale.The lateral flanges preferably have a polygonal shape.

Selon un premier mode de réalisation, lesdits plots sont au nombre de trois et les flasques latéraux sont sensiblement triangulaires.According to a first embodiment, said studs are three in number and the lateral flanges are substantially triangular.

Selon un autre mode de réalisation lesdits plots sont au nombre de quatre et les flasques latéraux sont sensiblement carrés.According to another embodiment, said studs are four in number and the lateral flanges are substantially square.

D'une manière préférentielle lesdits plots ont avantageusement une hauteur égale à la largeur du produit multicouche.Preferably, said pads advantageously have a height equal to the width of the multilayer product.

Selon une autre forme de réalisation, la bobine comporte au moins un flasque latéral portant deux plots ayant la forme d'un demi-cylindre et étant disposés symétriquement par rapport à l'axe central dudit flasque latéral.According to another embodiment, the coil comprises at least one lateral flange carrying two studs having the shape of a half-cylinder and being arranged symmetrically with respect to the central axis of said lateral flange.

La présente invention sera mieux comprise en référence à la description d'un mode de réalisation et du dessin annexé dans lequel :

  • la fig. 1 représente une vue en perspective d'une première forme de réalisation d'une bobine d'enroulement selon l'invention,
  • la fig. 2 représente une vue en perspective d'une deuxième forme de réalisation avantageuse d'une bobine d'enroulement selon l'invention, et
  • la fig. 3 représente une vue de face d'une autre forme de réalisation d'une bobine selon l'invention.
The present invention will be better understood with reference to the description of an embodiment and the accompanying drawing in which:
  • fig. 1 represents a perspective view of a first embodiment of a winding reel according to the invention,
  • fig. 2 represents a perspective view of a second advantageous embodiment of a winding reel according to the invention, and
  • fig. 3 shows a front view of another embodiment of a coil according to the invention.

En référence à la fig. 1, la bobine d'enroulement comporte essentiellement deux flasques latéraux 11 et 12 ayant sensiblement la forme d'un triangle à angles arrondis. Ces deux flasques sont maintenus parallèlement entre eux par trois plots cylindriques 13, de section circulaire, disposés en triangle. Un élément tubulaire 14, dont l'axe passe par le centre de gravité des flasques latéraux, est relié à ces derniers pour permettre le passage d'un axe autour duquel on peut faire tourner la bobine. Dans l'exemple représenté, un câble plat dit câble" sous-tapis" est enroulé sur cette bobine, et plus exactement autour des plots 13. Ce câble plat est un produit multicouche étant donné qu'il se compose d'une nappe mince de matière isolante 15a qui enrobe des conducteurs plats et d'un écran conducteur 15b qui est relié électriquement et mécaniquement au conducteur de terre enrobé à l'intérieur de la nappe 15a, en des zones ou points de soudure 15c. Hormis ces points de liaison, les deux bandes constituées par la nappe mince de matière isolante dans laquelle se trouvent les conducteurs plats, et la bande conductrice qui constitue l'écran, sont libres l'une par rapport à l'autre. L'espace ménagé entre les plots 13 permet d'accueillir des renflements de la bande intérieure, renflements qui sont générés en raison de la courbure des plots 13. En effet, dans la zone d'enroulement autour de ces plots, la longueur circonférentielle du tronçon de bande disposé à l'intérieur est supérieure à la longueur correspondante de la bande extérieure. Etant donné que les deux bandes sont reliées par points qui sont par exemple distants d'environ 50 cm, la longueur des tronçons de bande inférieure logés entre deux plots adjacents sera supérieure à la longueur des tronçons correspondants de la bande supérieure. Etant donné que l'espace entre les plots est libre, ces longueurs supplémentaires peuvent être accueillies en flexibilité sans qu'il en résulte des déformations permanentes et des dommages causés au câble.With reference to fig. 1, the winding coil essentially comprises two lateral flanges 11 and 12 having substantially the shape of a triangle with rounded angles. These two flanges are held parallel to each other by three cylindrical studs 13, of circular section, arranged in a triangle. A tubular element 14, the axis of which passes through the center of gravity of the lateral flanges, is connected to the latter to allow the passage of an axis around which the coil can be rotated. In the example shown, a flat cable called "under-carpet" cable is wound on this coil, and more exactly around the studs 13. This flat cable is a multilayer product since it consists of a thin sheet of insulating material 15a which coats flat conductors and a conductive screen 15b which is electrically and mechanically connected to the earth conductor coated inside the sheet 15a, in weld zones or points 15c. Apart from these connection points, the two strips formed by the thin sheet of insulating material in which the flat conductors are located, and the conductive strip which constitutes the screen, are free relative to one another. The space provided between the studs 13 makes it possible to accommodate bulges in the inner strip, bulges which are generated due to the curvature of the studs 13. In fact, in the winding zone around these studs, the circumferential length of the strip section arranged inside is greater than the corresponding length of the outside strip. Since the two bands are connected by points which are for example about 50 cm apart, the length of the lower strip sections housed between two adjacent studs will be greater than the length of the corresponding sections of the upper strip. Since the space between the pads is free, these additional lengths can be accommodated in flexibility without this resulting in permanent deformation and damage to the cable.

La fig. 2 illustre une variante dans laquelle la bobine 10′ comporte deux flasques respectivement 11′ et 12′ ayant sensiblement la forme d'un carré avec des angles arrondis. Ces flasques sont reliés d'une part, par quatre plots cylindriques 13′ disposés dans les angles de la bobine, et d'autre part par un élément tubulaire 14′ monté au centre de la bobine. Un câble plat 15 est enroulé sur cette bobine autour des plots 13′.Fig. 2 illustrates a variant in which the coil 10 ′ comprises two flanges respectively 11 ′ and 12 ′ having substantially the shape of a square with rounded angles. These flanges are connected on the one hand, by four cylindrical studs 13 ′ arranged in the corners of the coil, and on the other hand by a tubular element 14 ′ mounted in the center of the coil. A flat cable 15 is wound on this coil around the studs 13 ′.

La fig. 3 illustre une autre forme de réalisation d'une bobine 10˝ comportant un seul flasque 11˝, mais qui pourrait également en comporter deux, portant deux plots 13˝. Ces plots ont, dans cet exemple, la forme de demi-cylindres pleins. Néanmoins, ils pourraient être évidés ou la surface d'enroulement semi- cylindrique pourrait avoir une forme différente, de préférence courbe, pour permettre un guidage et un appui sans pliure de la bande 15. Le flasque latéral a une forme oblongue, arrondie à ses deux extrémités et comporte une ouverture centrale 14˝ qui permet le passage d'un axe d'enroulement. Cette ouverture pourrait être remplacée par un élément tubulaire solidaire du flasque.Fig. 3 illustrates another embodiment of a 10˝ coil comprising a single flange 11˝, but which could also include two, carrying two studs 13˝. These studs have, in this example, the shape of solid half-cylinders. However, they could be hollowed out or the semi-cylindrical winding surface could have a different shape, preferably curved, to allow guidance and support without folding of the strip 15. The lateral flange has an oblong shape, rounded at its two ends and has a central opening 14˝ which allows the passage of a winding axis. This opening could be replaced by a tubular element integral with the flange.

Il est évident que l'invention n'est pas limitée aux formes de réalisation décrites mais peut subir différentes modifications et se présenter sous diverses variantes évidentes pour l'homme de l'art. En particulier, la forme des flasques, qui définit la forme des bobines, peut être modifiée ainsi que le nombre des plots de liaison autour desquels le produit est enroulé. Les flasques peuvent avoir une forme polygonale quelconque, de préférence régulière, et le nombre des plots est au moins égal à deux. Ces plots peuvent être pleins ou creux et avoir une forme cylindrique ou être constitués de simples plaques incurvées ayant un rayon de courbure suffisant pour permettre l'enroulement du câble sans former une cassure dans la zone d'enroulement.It is obvious that the invention is not limited to the embodiments described but can undergo different modifications and come in various variants obvious to those skilled in the art. In particular, the shape of the flanges, which defines the shape of the coils, can be modified as well as the number of connection pads around which the product is wound. The flanges can have any polygonal shape, preferably regular, and the number of studs is at least two. These pads can be solid or hollow and have a cylindrical shape or consist of simple curved plates having a radius of curvature sufficient to allow the winding of the cable without forming a break in the winding area.

Claims (7)

Bobine d'enroulement pour un produit multicouche en bande dont les couches sont rendues solidaires par points, notamment pour un câble électrique plat à poser sous un revêtement de sol, en particulier sous un tapis ou une moquette, et comprenant une nappe de matière isolante (15a) dans laquelle sont enrobés au moins trois conducteurs plats disposés parallèlement, et un écran conducteur (15b) constitué par une bande conductrice, électriquement et mécaniquement connectée par points de soudure à l'un des conducteurs plats reliés à la terre, caractérisée en ce qu'elle porte un support d'enroulement du produit multicouche comprenant au moins deux plots (13) ayant une surface d'enroulement au moins partiellement cylindrique, d'axes parallèles et séparés par un espace intermédiaire libre agencé pour recevoir les tronçons sensiblement rectilignes de ce produit, disposés entre les tronçons courbes contournant lesdits plots.Winding coil for a multi-layer strip product, the layers of which are made integral by points, in particular for a flat electric cable to be laid under a floor covering, in particular under a carpet or carpet, and comprising a sheet of insulating material ( 15a) in which are coated at least three flat conductors arranged in parallel, and a conductive screen (15b) constituted by a conductive strip, electrically and mechanically connected by solder points to one of the flat conductors connected to the earth, characterized in that that it carries a winding support for the multilayer product comprising at least two studs (13) having a winding surface at least partially cylindrical, with parallel axes and separated by a free intermediate space arranged to receive the substantially rectilinear sections of this product, arranged between the curved sections bypassing said studs. Bobine selon la revendication 1, caractérisée en ce que lesdits plots (13, 13′) sont montés entre deux flasques latéraux (11, 12; 11′, 12′) .Coil according to claim 1, characterized in that said studs (13, 13 ′) are mounted between two lateral flanges (11, 12; 11 ′, 12 ′). Bobine selon la revendication 2, caractérisée en ce que les flasques latéraux (11, 12; 11′, 12′) ont une forme polygonale.Coil according to claim 2, characterized in that the lateral flanges (11, 12; 11 ′, 12 ′) have a polygonal shape. Bobine selon la revendication 3, caractérisée en ce que lesdis plots (13) sont au nombre de trois et en ce que les flasques latéraux (11, 12) sont sensiblement triangulaires.Coil according to claim 3, characterized in that the said studs (13) are three in number and in that the lateral flanges (11, 12) are substantially triangular. Bobine selon la revendication 3, caractérisée en ce que lesdits plots (13′) sont au nombre de quatre et en ce que les flasques latéraux (11′, 12′) sont sensiblement carrés.Coil according to claim 3, characterized in that said studs (13 ′) are four in number and in that the lateral flanges (11 ′, 12 ′) are substantially square. Bobine selon la revendication 1, caractérisée en ce que lesdits plots (13, 13′) ont une hauteur égale à la largeur du produit multicouche.Coil according to claim 1, characterized in that said studs (13, 13 ′) have a height equal to the width of the multilayer product. Bobine selon la revendication 1, caractérisée en ce qu'elle comporte au moins un flasque latéral portant deux plots ayant la forme d'un demi-cylindre et étant disposés symétriquement par rapport à l'axe central dudit flasque latéral.Coil according to claim 1, characterized in that it comprises at least one lateral flange carrying two studs having the shape of a half-cylinder and being arranged symmetrically with respect to the central axis of said lateral flange.
EP91810070A 1990-02-05 1991-01-30 Reel for winding a multi-layered product in band-form Withdrawn EP0441749A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9001437 1990-02-05
FR9001437A FR2657859B1 (en) 1990-02-05 1990-02-05 WINDING COIL FOR A MULTI-LAYERED TAPE PRODUCT.

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EP0441749A1 true EP0441749A1 (en) 1991-08-14

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EP (1) EP0441749A1 (en)
FR (1) FR2657859B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0751087A1 (en) * 1995-06-30 1997-01-02 Larry J. Kuzik Apparatus and method for winding, transporting, and unwinding conveyor belts

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1168551A (en) * 1956-09-03 1958-12-10 Samtband Ges Ewald Goecke & Co Dispenser for narrow width tapes
FR1563226A (en) * 1968-02-23 1969-04-11
US3540669A (en) * 1967-08-22 1970-11-17 Kalle Ag Process and apparatus for stacking or storing delicate thin webs of material
US4219928A (en) * 1979-05-25 1980-09-02 Thomas & Betts Corporation Flat cable and installing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1168551A (en) * 1956-09-03 1958-12-10 Samtband Ges Ewald Goecke & Co Dispenser for narrow width tapes
US3540669A (en) * 1967-08-22 1970-11-17 Kalle Ag Process and apparatus for stacking or storing delicate thin webs of material
FR1563226A (en) * 1968-02-23 1969-04-11
US4219928A (en) * 1979-05-25 1980-09-02 Thomas & Betts Corporation Flat cable and installing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0751087A1 (en) * 1995-06-30 1997-01-02 Larry J. Kuzik Apparatus and method for winding, transporting, and unwinding conveyor belts
AU707333B2 (en) * 1995-06-30 1999-07-08 Larry J. Kuzik Apparatus and method for winding, transporting, and unwinding conveyor belt

Also Published As

Publication number Publication date
FR2657859A1 (en) 1991-08-09
FR2657859B1 (en) 1992-05-07

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