ES2293573T3 - OPENING / CLOSING SYSTEM SEALED FOR PACKAGING BAGS. - Google Patents

OPENING / CLOSING SYSTEM SEALED FOR PACKAGING BAGS. Download PDF

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Publication number
ES2293573T3
ES2293573T3 ES05739457T ES05739457T ES2293573T3 ES 2293573 T3 ES2293573 T3 ES 2293573T3 ES 05739457 T ES05739457 T ES 05739457T ES 05739457 T ES05739457 T ES 05739457T ES 2293573 T3 ES2293573 T3 ES 2293573T3
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Spain
Prior art keywords
opening
cursor
layer
bag
closing system
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ES05739457T
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Spanish (es)
Inventor
Jean-Pierre Barbier
Eric Barbier
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Morance Soudure
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Morance Soudure
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Publication of ES2293573T3 publication Critical patent/ES2293573T3/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2532—Zipper or required component thereof having interlocking surface with continuous cross section
    • Y10T24/2534—Opposed interlocking surface having dissimilar cross section

Abstract

An opening/closing system, particularly for packaging bags, of the type that includes a planar base part defining at least in part an opening through itself, this base part includes guide means parallel to the opening and engaging with guide means belonging to a slider designed to close the opening or leave it open, which system is characterized in that, before the system is used for the first time, the opening is closed at least partly by a layer of material, and in that the slider includes a cursor directed toward the opening and capable of at least partly destroying the layer of material to open the opening when the slider is moved for the first time.

Description

Sistema de apertura/cierre estanco destinado a bolsas de embalaje.Watertight opening / closing system for packing bags

La presente invención se refiere a un sistema de apertura/cierre destinado en particular a unas bolsas de embalaje.The present invention relates to a system of opening / closing in particular for bags of packaging.

Es conocido por el documento FR 2 833 576 utilizar unos sistemas de apertura/cierre de bolsa de embalaje que comprenden una pieza de base plana que delimita por lo menos parcialmente una abertura a través de ella, comprendiendo esta pieza de base unos medios de guiado que cooperan con unos medios de guiado de una deslizadera que permite obturar la abertura o dejar libre esta, estando la pieza de base plana destinada ha ser fijada a la pared de la bolsa de tal manera que la abertura que delimita coincida con una abertura practicada en la pared de la bolsa.It is known from document FR 2 833 576 use a bag opening / closing system that they comprise a flat base piece that delimits at least partially an opening through it, comprising this base piece guiding means that cooperate with means of guided by a slide that allows you to seal the opening or leave free this, being the flat base piece intended to be fixed to the wall of the bag in such a way that the opening that delimits match an opening made in the wall of the bag.

Este tipo de sistema de apertura/cierre puede en particular ser fijado frente a un precorte que forma una banda separable cuando tiene lugar la primera utilización, asegurando este precorte así la inviolabilidad de la bolsa, pudiendo un usuario identificar inmediatamente si la bolsa ha sido ya abierta.This type of opening / closing system can in particular be fixed in front of a precut that forms a band separable when the first use takes place, ensuring this pre-cut the inviolability of the bag, allowing a user Identify immediately if the bag has already been opened.

Resulta sin embargo que este precorte presenta unos orificios que no garantizan una estanqueidad satisfactoria. Por otra parte, el sistema de apertura/cierre deja un paso no estanco a nivel de su abertura.It turns out however that this precut presents holes that do not guarantee satisfactory sealing. On the other hand, the opening / closing system leaves a step not waterproof at the level of its opening.

Buscándose la estanqueidad de la bolsa, por razones de conservación de su contenido por ejemplo, es preciso por lo tanto proceder a la colocación de un dispositivo suplementario, como un opérculo pegado o soldado y que puede ser retirado. Sin embargo, este tipo de dispositivo está situado en el exterior de la bolsa y puede ser fácilmente dañado.Looking for the tightness of the bag, by reasons of conservation of its content for example, it is necessary for therefore proceed to the placement of a supplementary device, as an opercle stuck or welded and that can be removed. Without However, this type of device is located outside the bag and can be easily damaged.

Es conocido también utilizar unos dispositivos que permiten destruir la pared de la bolsa misma, en un punto que no comprende zona de debilidad. En particular se pueden citar los documentos US nº 5.167.608, US nº 6.652.436, US nº 6.273.607, EP 0485741.It is also known to use some devices that allow to destroy the wall of the bag itself, at a point that Does not include zone of weakness. In particular you can cite the US 5,167,608, US 6,652,436, US 6,273,607, EP 0485741.

En los dispositivos descritos citados anteriormente, el recorte resulta difícil puesto que la pared se sitúa retirada respecto a la abertura del dispositivo en la cual pasa el órgano de precorte. Por otra parte, la pared de la bolsa que debe asegurar el comportamiento de esta es por tanto resistente a este precorte.In the devices described above previously, trimming is difficult since the wall is places withdrawal with respect to the opening of the device in which Pass the precut organ. Moreover, the wall of the bag which must ensure the behavior of this is therefore resistant to this precut.

En consecuencia, la presente invención tiene por objeto proporcionar un sistema de abertura/cierre cuya estanqueidad está mejorada, no añadiendo dispositivo exterior suplementario sobre la bolsa y conservando la simplicidad de utilización y de fabricación de esta.Consequently, the present invention has as object to provide an opening / closing system whose sealing is improved, not adding extra external device on the bag and keeping the simplicity of use and of manufacture of this

A este fin, la presente invención tiene por objeto un sistema de apertura/cierre, en particular para bolsas de embalaje, que comprende una pieza de base plana que delimita por lo menos parcialmente una abertura a través de ella, comprendiendo esta pieza de base unos medios de guiado paralelamente a la abertura que coopera con unos medios de guiado de una deslizadera destinada a obturar o dejar libre la abertura, caracterizado porque la abertura, antes de la primera utilización, está obturada por lo menos parcialmente por una capa de material, y porque la deslizadera comprende un cursor orientado hacia la abertura que permite destruir por lo menos parcialmente la capa de material para liberar la abertura cuando tiene lugar el primer desplazamiento de la deslizadera.To this end, the present invention has for object an opening / closing system, in particular for bags of packaging, which comprises a flat base piece that delimits less partially an opening through it, comprising this base piece guiding means parallel to the opening which cooperates with a guide means of a slide intended to seal or leave the opening free, characterized in that the opening, before the first use, is blocked by less partially by a layer of material, and because the slider comprises a cursor oriented towards the opening that allows at least partially destroy the layer of material to release the opening when the first displacement of the slider

Estas disposiciones permiten alcanzar el objetivo mencionado anteriormente. La capa de material puede ser de resistencia determinada para un corte fácil, sin tener que asegurar el comportamiento de la bolsa. Esta capa de material está situada directamente en la abertura, asegurando una posición óptima para el corte.These provisions allow to reach the objective mentioned above. The material layer can be of determined resistance for easy cutting, without having to ensure The behavior of the stock market. This layer of material is located directly in the opening, ensuring an optimal position for the cut.

Ventajosamente, la capa de material sale de moldeo con la pieza de base.Advantageously, the material layer leaves molding with the base piece.

Según un modo de realización, la capa de material presenta una zona de debilidad en la que su espesor es más pequeño.According to one embodiment, the layer of material presents an area of weakness in which its thickness is more small.

Ventajosamente, la zona de debilidad está dispuesta sobre sensiblemente toda la longitud de la abertura.Advantageously, the weakness zone is arranged over substantially the entire length of the opening.

Según este modo de realización, un alojamiento para el cursor está practicado en la capa de material, siendo las dimensiones de este alojamiento ligeramente inferiores a las dimensiones del cursor, estando este montado a forzamiento en el alojamiento.According to this embodiment, a housing for the cursor it is practiced in the material layer, being the dimensions of this accommodation slightly smaller than dimensions of the cursor, being forcibly mounted on the accommodation.

Ventajosamente, el alojamiento está situado en uno de los extremos de la abertura, y el cursor está dispuesto frente a este alojamiento en la posición cerrada del cursor.Advantageously, the accommodation is located in one end of the opening, and the cursor is arranged in front of this housing in the closed position of the cursor.

La presente invención tiene también por objeto una bolsa de embalaje equipada, por lo menos en una de sus paredes, con un sistema de apertura/cierre descrito anteriormente.The present invention also aims at an equipped packing bag, at least on one of its walls, with an opening / closing system described above.

Ventajosamente, el sistema de apertura/cierre está fijado sobre la cara interna de una pared de la bolsa por la pieza base plana, estando la deslizadera situada por el lado de la base plana orientada hacia la pared, estando el sistema dispuesto frente a un precorte realizado en la pared.Advantageously, the opening / closing system it is fixed on the inner face of a wall of the bag by the flat base piece, the slide being located on the side of the flat base facing the wall, the system being arranged in front of a precut made on the wall.

La presente invención tiene también por objeto una película destinada a formar las paredes de una bolsa de embalaje, comprendiendo dicha película por lo menos un sistema de apertura/cierre.The present invention also aims at a film intended to form the walls of a bag of packaging, said film comprising at least one system of Opening close.

Ventajosamente, esta película está acondicionada en forma de bobina.Advantageously, this film is conditioned in the form of a coil.

La presente invención se comprenderá mejor con la lectura de la descripción siguiente, con referencia al plano anexo que representa un modo de realización de un dispositivo de apertura/cierre según invención.The present invention will be better understood with reading the following description, with reference to the plan annex representing an embodiment of a device opening / closing according to invention.

La figura 1 es una vista parcial de una bolsa sobre la cual está fijado un sistema de abertura/cierre según invención.Figure 1 is a partial view of a bag on which an opening / closing system is fixed according to invention.

La figura 2 en la vista en perspectiva explosionada parcial de un sistema de abertura/cierre según la invención, en sección parcial.Figure 2 in perspective view partial explosion of an opening / closing system according to the invention, in partial section.

La figura 3 es una vista por encima del sistema de la figura 2.Figure 3 is a view above the system of figure 2.

La figura 4 es una vista en sección según IV - IV de la figura 3.Figure 4 is a sectional view according to IV - IV of figure 3.

La figura 5 es una vista en sección según V - V de la figura 3.Figure 5 is a sectional view according to V-V of figure 3.

La figura 6 es una vista similar a la figura 5, estando el sistema representado en el curso de la primera apertura.Figure 6 is a view similar to Figure 5, the system being represented in the course of the first opening.

La figura 1 muestra una bolsa 2 que comprende dos paredes 3 fijadas una a la otra, comprendiendo una de estas paredes 3 un sistema de apertura/cierre 4 fijado sobre la cara interna de una abertura 5 de esta pared 3.Figure 1 shows a bag 2 comprising two walls 3 fixed to each other, comprising one of these walls 3 an opening / closing system 4 fixed on the face internal of an opening 5 of this wall 3.

Este sistema de apertura/cierre 4 puede ser, como se ha descrito en el documento FR 2 833 576, fijado frente ha un precorte que delimita una banda que posee unos extremos redondeados, que están recortados y que pueden así ser levantados y asidos para permitir la retirada de esta banda por tracción manual, delimitando la retirada de esta banda así la abertura 5 en la pared 3 de la bolsa 2.This opening / closing system 4 can be, as described in document FR 2 833 576, set against a precut that delimits a band that has ends rounded, which are trimmed and can thus be lifted and seized to allow the removal of this band by manual traction, delimiting the removal of this band thus the opening 5 in the wall 3 of the bag 2.

Un usuario puede por tanto, cuando tiene lugar la primera utilización, quitar la banda por tracción manual, y después abrir y cerrar la bolsa utilizando el sistema de apertura/cierre 4.A user can therefore, when it takes place the first use, remove the belt by manual traction, and then open and close the bag using the system opening / closing 4.

Como muestra mas particularmente la figura 1, el sistema de apertura/cierre 4,comprende, una pieza de base 7 plana que delimita por lo menos parcialmente una abertura 8 a través de ella, comprendiendo esta pieza de base 7 unos medios de guiado 10 paralelamente a la abertura que coopera con unos medios de guiado 12 de una deslizadera 9 que permite obturar o dejar libre la abertura 8.As Figure 1 shows more particularly, the opening / closing system 4, comprises a flat base part 7 which delimits at least partially an opening 8 through it, comprising this base piece 7, guiding means 10 parallel to the opening that cooperates with guiding means 12 of a slide 9 that allows to seal or free the opening 8.

La abertura 8, antes de la primera utilización, está obturada por una capa de material 13 salida de moldeo con la pieza de base 7, como se ha ilustrado en las figuras 2 a 6.The opening 8, before the first use, it is sealed by a layer of material 13 molding outlet with the base piece 7, as illustrated in figures 2 to 6.

La deslizadera 9 comprende un cursor 14, orientado hacia la abertura 8 que permite destruir por lo menos parcialmente la capa de material 13 para liberar la abertura 8.Slider 9 comprises a cursor 14, oriented towards the opening 8 which allows to destroy at least partially the layer of material 13 to release the opening 8.

Un alojamiento 15 para el cursos 14 está practicado en la capa de material 13, siendo las dimensiones de este alojamiento 15 ligeramente inferiores a las dimensiones del cursor 14,estando montado a forzamiento en el alojamiento.Accommodation 15 for courses 14 is practiced in the layer of material 13, the dimensions of this being  housing 15 slightly smaller than cursor dimensions 14, being forcibly mounted in the housing.

El cursor está situado en un extremo de la deslizadera cuando esta está en la posición de cierre de la abertura 8, y el alojamiento 15 está situado también en un extremo de la abertura 8.The cursor is located at one end of the slider when it is in the opening position of the opening  8, and the housing 15 is also located at one end of the opening 8.

Al fin de facilitar la destrucción de la capa de material 13 por el cursor 14, la capa de material presenta una zona de debilidad 16 en la que su espesor es mas pequeño.In order to facilitate the destruction of the layer of material 13 by cursor 14, the material layer has a zone of weakness 16 in which its thickness is smaller.

Esta zona de debilidad 16 se extiende sobre sensiblemente toda la longitud de la abertura 8.This area of weakness 16 extends over substantially the entire length of the opening 8.

Ventajosamente, el cursor 14 permite también llegar a tope contra el extremo 17 de la abertura 8 opuesto al que presenta el alojamiento 15, a fin de limitar la carrera del cursor 14.Advantageously, the cursor 14 also allows butt against the end 17 of the opening 8 opposite to the one presents the housing 15, in order to limit the cursor stroke 14.

La capa de material 13 permite asegurar la estanqueidad de la abertura 8.El alojamiento 15 es de dimensiones inferiores al cursor 14, garantizando la colocación a forzamiento de este cursor también la estanqueidad a nivel del alojamiento, que puede ser así pasante.The layer of material 13 allows to ensure the tightness of the opening 8.The housing 15 is of dimensions lower than cursor 14, guaranteeing the forced placement of this cursor also the tightness at the housing level, which It can be like this intern.

El cursor 14, en este modo de realización, presenta una forma paralelepipédica que permite una realización simple y permite un contacto eficaz contra las paredes del alojamiento 15, para asegurar una buena estanqueidad. Pueden ser utilizadas otras formas de este cursor en una variante, en particular unas formas en bisel que favorecen la destrucción de la capa de material 13. La forma de alojamiento 15 está en este caso adaptada para presentar una forma complementaria.The cursor 14, in this embodiment, it presents a parallelepipedic form that allows an embodiment simple and allows effective contact against the walls of the accommodation 15, to ensure a good seal. They may be used other forms of this cursor in a variant, in particular bevel shapes that favor the destruction of the layer of material 13. The housing form 15 is in this case adapted to present a complementary form. 

       \newpage\ newpage

En el modo de realización representado, la deslizadera comprende en cada uno de sus extremos, una lengüeta de asido 18, que facilita la toma por un usuario.In the embodiment shown, the Slider comprises at each of its ends, a tongue of Asido 18, which facilitates the taking by a user.

Es también posible realizar la capa de material aplicándola después de la fabricación de la pieza de base. Sin embargo, esta solución complica considerablemente la fabricación y aumenta el coste de esta pieza.It is also possible to make the material layer applying it after the manufacture of the base piece. Without However, this solution considerably complicates manufacturing and Increase the cost of this piece.

La figura 6 permite ilustrar la destrucción de la capa de material 13 cuando tiene lugar en la primera apertura del sistema 4.Figure 6 illustrates the destruction of the layer of material 13 when it takes place at the first opening of the system 4.

Es ventajoso equipar la película destinada a formar las paredes de una bolsa de embalaje con unos sistemas de apertura 4 descritos más arriba antes de conformar las bolsas 3. En particular, esta película puede ser acondicionada en forma de bobinas que son a continuación utilizables en máquinas conocidas de fabricación de bolsas.It is advantageous to equip the film intended for form the walls of a packing bag with some systems of opening 4 described above before forming the bags 3. In In particular, this film can be conditioned in the form of coils that are then usable in known machines of bag making

Desde luego, la invención no se limita a la forma de realización preferida descrita anteriormente, a título de ejemplo no limitativo; la misma comprende por el contrario todas las variantes de realización en el marco de las reivindicaciones siguientes.Of course, the invention is not limited to preferred embodiment described above, by way of non-limiting example; on the contrary it includes all the variants of embodiment in the context of the claims following.

Claims (10)

1. Sistema de apertura/cierre (4), en particular para bolsas (2) de embalaje, que comprende una pieza de base (7) plana que delimita por lo menos parcialmente una abertura (8) a través de ella, comprendiendo esta pieza de base (7) unos medios de guiado (10) paralelamente a la abertura (8) que cooperan con unos medios de guiado (12) de una deslizadera (9) destinada a obturar o dejar libre la abertura (8), caracterizado porque la abertura (8), antes de la primera utilización, está obturada por lo menos parcialmente por una capa de material (13), y porque la deslizadera (9) comprende un cursor (14) orientado hacia la abertura (8) que permite destruir por lo menos parcialmente la capa de material (13) para liberar la abertura (8) cuando tiene lugar el primer desplazamiento de la deslizadera (9).1. Opening / closing system (4), in particular for packing bags (2), comprising a flat base part (7) that at least partially delimits an opening (8) through it, this part comprising base (7) guiding means (10) parallel to the opening (8) that cooperate with guiding means (12) of a slide (9) intended to seal or free the opening (8), characterized in that the opening (8), before the first use, is at least partially sealed by a layer of material (13), and because the slider (9) comprises a cursor (14) oriented towards the opening (8) which can be destroyed by at least partially the layer of material (13) to release the opening (8) when the first movement of the slide (9) takes place. 2. Sistema (4) según la reivindicación 1, caracterizado porque la capa de material (13) sale de moldeo con la pieza de base (7).2. System (4) according to claim 1, characterized in that the layer of material (13) comes out of molding with the base piece (7). 3. Sistema (4) según las reivindicaciones 1 y 2, caracterizado porque la capa de material (13) presenta una zona de debilidad (16) en la que su espesor es más pequeño.3. System (4) according to claims 1 and 2, characterized in that the layer of material (13) has a weakness zone (16) in which its thickness is smaller. 4. Sistema (4) según la reivindicación (3), caracterizado porque la zona de debilidad (16) está practicada sobre sensiblemente toda la longitud de la abertura (8).System (4) according to claim (3), characterized in that the area of weakness (16) is practiced over substantially the entire length of the opening (8). 5. Sistema (4) según una de las reivindicaciones 1 a 4, caracterizado porque un alojamiento (15) para el cursor (14) está practicado en la capa de material (13), siendo las dimensiones de este alojamiento (15) ligeramente inferiores a las dimensiones del cursor (14),estando este montado a forzamiento en el alojamiento (15).System (4) according to one of claims 1 to 4, characterized in that a housing (15) for the cursor (14) is made in the material layer (13), the dimensions of this housing (15) being slightly lower to the dimensions of the cursor (14), being forcibly mounted in the housing (15). 6. Sistema (4) según la reivindicación (5), caracterizado porque está situado en uno de los extremos de la abertura (8), y el cursor (14) está dispuesto frente este alojamiento (15) en la posición cerrada del cursor (14).System (4) according to claim (5), characterized in that it is located at one of the ends of the opening (8), and the cursor (14) is arranged in front of this housing (15) in the closed position of the cursor ( 14). 7. Bolsa de embalaje (2) equipada en por lo menos una de sus paredes (3) con un sistema de apertura/cierre (4) según una de las reivindicaciones 1 a 6.7. Packing bag (2) equipped in at minus one of its walls (3) with an opening / closing system (4) according to one of claims 1 to 6. 8. Bolsa (2) según la reivindicación (7), caracterizada porque el sistema de apertura/cierre (4) está fijado sobre la cara interna de una pared (3) de la bolsa (2) por la pieza de base plana (7), estando la deslizadera (9) situada por el lado de la base plana (7) orientado hacia la pared (3), estando el sistema (4) dispuesto frente a un precorte realizado en la pared (3).8. Bag (2) according to claim (7), characterized in that the opening / closing system (4) is fixed on the inner face of a wall (3) of the bag (2) by the flat base part (7 ), the slide (9) being located on the side of the flat base (7) facing the wall (3), the system (4) being arranged in front of a precut made in the wall (3). 9. Película destinada a formar las paredes de una bolsa de embalaje, comprendiendo dicha película por lo menos un sistema de apertura/cierre (4) según una de las reivindicaciones 1 a 6.9. Film intended to form the walls of a packaging bag, said film comprising at least one opening / closing system (4) according to one of claims 1 to 6. 10. Película según la reivindicación (9), caracterizada porque está acondicionada en forma de bobina.10. Film according to claim (9), characterized in that it is conditioned in the form of a coil.
ES05739457T 2004-03-18 2005-03-16 OPENING / CLOSING SYSTEM SEALED FOR PACKAGING BAGS. Active ES2293573T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0402799A FR2867756B1 (en) 2004-03-18 2004-03-18 SEALED OPEN / CLOSE SYSTEM FOR PACKAGING BAGS
FR0402799 2004-03-18

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ES2293573T3 true ES2293573T3 (en) 2008-03-16

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US (1) US20070211968A1 (en)
EP (1) EP1725134B1 (en)
AT (1) ATE373968T1 (en)
DE (1) DE602005002633T2 (en)
ES (1) ES2293573T3 (en)
FR (1) FR2867756B1 (en)
WO (1) WO2005099504A1 (en)

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WO2010149863A1 (en) * 2009-06-25 2010-12-29 Morance Soudure System for opening/closing a flexible packaging bag

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Also Published As

Publication number Publication date
US20070211968A1 (en) 2007-09-13
WO2005099504A1 (en) 2005-10-27
DE602005002633T2 (en) 2008-07-17
FR2867756B1 (en) 2008-05-23
ATE373968T1 (en) 2007-10-15
FR2867756A1 (en) 2005-09-23
EP1725134B1 (en) 2007-09-26
EP1725134A1 (en) 2006-11-29
DE602005002633D1 (en) 2007-11-08

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