EP1966064A1 - Improved bag valve - Google Patents

Improved bag valve

Info

Publication number
EP1966064A1
EP1966064A1 EP06829882A EP06829882A EP1966064A1 EP 1966064 A1 EP1966064 A1 EP 1966064A1 EP 06829882 A EP06829882 A EP 06829882A EP 06829882 A EP06829882 A EP 06829882A EP 1966064 A1 EP1966064 A1 EP 1966064A1
Authority
EP
European Patent Office
Prior art keywords
pocket
valve
bag
valve according
folded
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
EP06829882A
Other languages
German (de)
French (fr)
Other versions
EP1966064B1 (en
Inventor
Alfons Jozef Fransen
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.)
Ecopack France SAS
Original Assignee
Ecopack France SAS
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 Ecopack France SAS filed Critical Ecopack France SAS
Priority to SI200630598T priority Critical patent/SI1966064T1/en
Priority to PL06829882T priority patent/PL1966064T3/en
Publication of EP1966064A1 publication Critical patent/EP1966064A1/en
Application granted granted Critical
Publication of EP1966064B1 publication Critical patent/EP1966064B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated
    • B65D83/62—Contents and propellant separated by membrane, bag, or the like
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action

Definitions

  • the invention relates to an improved pocket valve.
  • a pocket valve is used in a dispenser for a pressurized product such as an aerosol can.
  • a pocket valve comprises a flexible pouch of waterproof material which is for example manufactured by two superimposed synthetic layers and welded together at their circumference, leaving an opening which is closed by a valve allowing the bag to be filled with the desired product.
  • Such a pocket valve is often rolled up or folded, a bit like a cigar, and is held in the wrapped position by a label glued around the wound pocket valve.
  • This wound pocket valve is then introduced into a container with an opening which is plugged by the valve of the pocket valve.
  • the dispenser thus obtained by assembling the bag valve in the receptacle is then filled, on the one hand, with the product to be dispensed which is introduced into the pocket valve and on the other hand with a gas under pressure. which fills the space formed between the container and the pocket valve and serves as a source of pressure to dispense the product when the valve is operated by means of a pulverizer button mounted on the valve.
  • the label that holds the bag valve in the wound position is broken by the filling pressure of the product which causes the bag to swell while unwinding or unfolding the bag.
  • the length of the rolled pocket valve is chosen according to the height of the container so that the length is equal to the height of the container in order to be able to contain a maximum amount of product.
  • the length of the pocket valve is shortened as the bag fills because the bag swells and expands laterally, which has the disadvantage that the filled bag does not rely on the bottom of the container and that, therefore, the bag with the weight of the product is totally suspended from the valve, resulting in the bag is easily torn in case the dispenser is accidentally dropped.
  • the torsional weakening causes a faster rupture of the pocket when the distributor falls to the ground.
  • a disadvantage of using the tag to hold the bag valve in a wound position is that this tag interferes with the deployment of the bag, thereby causing a twist during the filling phase, resulting in a loss as described above.
  • the invention aims to avoid one or more of the aforementioned disadvantages and to provide a pocket valve that allows a certain filling of a dispenser comprising such a valve while reducing the risk of torsion and the risk of rupture of the pocket during the filling phase of the container or during an accidental fall of the filled dispenser.
  • an improved pocket valve which comprises a flexible bag made of waterproof material and which is provided with an opening closed by a valve to fill the bag with a desired product, the empty bag being wound or folded around a longitudinal axis and held in position wound, characterized in that the bag is provided with means for extending the bag during its filling with the desired product.
  • the shape of the upper portion of the empty and unrolled pouch is preferably tapered so that the width of the empty pouch decreases toward the location of the valve.
  • the shape of the pocket has the advantage of not hampering the movement of the unwinding or deployment of the bag during the filling phase.
  • Another way to achieve this advantage would be to fold the top corners of the pocket inward before winding the pocket.
  • the empty bag valve is held wrapped or folded by means of a label affixed around the bag, this tag having one or more transverse lines with spaced perforations.
  • These perforations have the effect that, during the filling phase, the label is torn at a specific location predetermined by the location of the perforations, thus reducing the risk of torsion of the bag during filling.
  • the risk of torsion of the pocket is also reduced by providing a rectangular self-adhesive label whose central portion is only partially provided with an adhesive, the adhesive being preferably provided in an hourglass-shaped zone.
  • the evacuation of the product during the use of the dispenser is made easier by the use of a dip tube whose length corresponds approximately to the length of the bag. the pocket and which is preferably fitted on a tip of the valve.
  • This dip tube has the advantage that it promotes the evacuation of the product during the use of the dispenser, even if the bag is not compressed in a symmetrical manner and that part of the product is trapped in a part of the separate pocket, because the dip tube creates a vent path through and around the dip tube.
  • the valve is preferably provided with two passages which are in communication with the interior of the pocket, one passage ending in the dip tube, the other passing into the pocket above the aforementioned tip.
  • the contour of the body of the valve is usually oval or diamond-shaped.
  • the length of the body contour of the valve is preferably as small as possible, but at least twice the width of said contour. This also to be able to pre-orient the contour of the body of the valve before welding in the pocket on the production lines of these valves-pockets.
  • the body of the valve comprises an inner part and an outer part, these parts being manufactured in two different materials, that is to say the inner part of impermeable synthetic material for liquefied gases and the outer part in a material suitable for welding the inner layer of the bag which is made of PE or PP material, or others.
  • FIG. 1 is a perspective view of a vacuum bag valve according to the invention
  • Figure 2 shows the pocket valve of Figure 1 but introduced into the container of a product dispenser
  • FIG. 3 represents the pocket valve of FIG.
  • FIGS. 1 and 2 show an improved pocket valve 1 according to the invention, intended to be mounted in a container 2 of a product dispenser as shown in FIG.
  • the improved pocket valve 1 comprises a flexible bag 4 made of waterproof material which is provided with an opening which is closed by the body 5 of a valve 6 to fill the bag 4 with a desired product, the empty bag 4 being wound or folded around a longitudinal axis XX 'and held in the wound position by a label 7 glued around the wound pocket 4.
  • valve is fixed to the container 2 by means of a bowl 8 which serves as a cap for the container to create a closed compartment 9 between the container 2 and the bag 4 may contain a propellant.
  • the bag 4 After assembly of the bag valve 1 and the container 2, the bag 4 is filled under pressure with a desired product, while the compartment 9 is filled with a quantity of gas or liquefied gas.
  • the filling pressure of the product causes the bag 4 to swell, which causes the label 7 to break and the bag to unwind around the X-X 'axis as shown in FIG.
  • distributor 3 is completed as illustrated in Figure 3 by introducing a spray or dispensing head 10 which is mounted on the valve 6 by means of a valve stem 11 which allows the pressurized ejection of the propellant and the spraying or dispensing of the product when press the spray head 10.
  • the pocket valves are manufactured in series as shown in Figure 4 and are then cut from each other.
  • each pocket valve is manufactured by two layers 12 and
  • the two layers 12 and 13 and the bottom 14 are made in one piece folded in a certain way, but it is also possible that the layers 12 and 13 and the bottom 14 are separate pieces welded together.
  • the pockets 4 are in principle manufactured in series from a folded continuous strip which is passed under a welding machine which carries out the welds of the contours 15 with defined intervals at the location of the pockets 4 separations, the welds having a shape that widens upward to achieve pockets 4 whose upper portion is tapered so that the width of the empty bag 4 decreases towards the location of the valve 6.
  • the pockets 4 are separated by cutting.
  • the pockets 4 thus separated are then wound around the axis X-X 'according to the arrows Q, after having folded the flaps 16.
  • a label 7, or if necessary several labels, are then glued around each rolled pocket to keep it wound as shown in FIG.
  • the labels are rectangular and comprise one or more transverse lines 17 with perforations 18 spaced apart to facilitate breaking of the labels 7 when filling the pockets 4.
  • the label 7 is a self-adhesive label whose central portion is only partially provided with an adhesive 19, for example because the adhesive 19 is provided in a zone 20 of hourglass shape, against hourglass or other.
  • the construction of the valve 6 is shown in more detail in FIGS. 10 to 12.
  • the body 5 of the valve 6 is characterized by an oval-shaped or diamond-shaped contour whose length L is preferably at least twice the width M of the contour as shown in FIG. 12.
  • the valve 6 comprises a passage 21 for the discharge of the product out of the pocket 4 to the outside, the passage 21 being closable by a valve 22 which is housed in a chamber 23 formed by a portion of the passage 21 with a larger diameter. wide and whose rod 11 protrudes outwardly through a seal 24.
  • valve 22 At rest, the valve 22 is held against the seal 24 as shown in FIG. 10, so that an internal passage 25 of the valve 22 is closed in this position, while the passage 25 is opened when the stem 11 of the valve 22 is depressed to release the product via the passage 21 of the valve 6 as indicated by the arrows R in Figure 11.
  • the valve 6 is preferably provided with a tip 26 on which fits a plunger tube 27 which is in communication with the passage 21 of the valve 6 and whose length is less than or approximately equal to the length of the pocket 4.
  • valve 6 is provided with a second passage 28 which is in communication with the inside of the pocket 4, this passage 28 leading into the pocket 4 above the level of the tip 26.
  • These two passages 21 and 28 allow faster filling of the bag 4 with a product.
  • the body 5 of the valve 6 comprises an inner portion 29 and an outer portion 30 as shown in Figure 12, the two parts 29 and 30 being made of two different materials, that is to say that is, an inner part 29 made of impermeable synthetic material for liquefied gases and an outer part 30 in a material which is suitable for the use of a pocket 4 whose inner layer is made of PE or PP material or other weldable materials .
  • the wound pocket valve 1 is introduced, the gas is introduced above and around the valve, then the valve is fixed in the container 2 to plug the container. It is also possible that the gas is injected into the container to a synthetic plug, valve to others, which is located in the bottom of the container.
  • the bag 4 inflates and tears the label 7 at the location of the lines 17 of perforations 18.
  • the pocket 4 runs in the opposite direction of the arrows Q, while the flaps 16 fill with the product and unfold outwardly downwards, thereby allowing the pocket 4 to lengthen relative to the initial length, so that that the bottom 14 rests on the bottom 31 of the container 2.
  • the dimensions and the shape of the pocket valve 1 are preferably such that the vacuum bag valve 1 does not touch the bottom 31 of the container 2 when it is mounted in the container and the pocket 4 of the pocket valve 1 rests on the bottom 31 of the container 2 when the bag 4 is filled.
  • a pocket 1 wound or folded has a certain stiffness that could interfere with the introduction of the pocket valve 1 in the container 2 when it would be longer than the depth of the container because in this case the pocket valve 1 would hit the bottom of the container during its assembly. This could also damage the pocket valve.
  • FIG. 14 is a variant of a pocket valve 1 according to the invention which is obtained from the pocket valve in FIG. 13 which represents a two-layered pocket valve 12 and 13 superimposed being welded together at the their contours 15, and whose lower free end is folded in double like a flap 32, as shown with the arrow P 'in Figure 14, to reduce the length of the empty bag valve 1 and which is then wound or folded in the same way as in the previous figures.
  • the flap 32 thus folded can for example be held in position with a label 33 which comprises for example the same characteristics as a label 7.

Abstract

The bag valve for aerosol cans has a flexible bag (4) which is rolled around the valve (6) but elongates as it is filled. It has flaps (16) at the base which are folded inwards and is held in the rolled position by a label (7) with rupturable perforated lines (17).

Description

Valve à poche améliorée.Enhanced pocket valve.
L'invention concerne une valve à poche améliorée.The invention relates to an improved pocket valve.
Une valve à poche est utilisée dans un distributeur pour un produit sous pression comme par exemple une bombe aérosol.A pocket valve is used in a dispenser for a pressurized product such as an aerosol can.
D'une manière générale, une valve à poche comprend une poche flexible en matière étanche qui est par exemple fabriquée par deux couches synthétiques superposées et soudées ensemble à leur circonférence en laissant une ouverture qui est obturée par une valve permettant de remplir la poche avec le produit voulu.In general, a pocket valve comprises a flexible pouch of waterproof material which is for example manufactured by two superimposed synthetic layers and welded together at their circumference, leaving an opening which is closed by a valve allowing the bag to be filled with the desired product.
Une telle valve à poche est souvent enroulée ou repliée, un peu comme un cigare, et est maintenue en position enroulée par une étiquette collée autour de la valve à poche enroulée .Such a pocket valve is often rolled up or folded, a bit like a cigar, and is held in the wrapped position by a label glued around the wound pocket valve.
Cette valve à poche enroulée est ensuite introduite dans un récipient avec une ouverture qui est bouchonnée par la valve de la valve à poche.This wound pocket valve is then introduced into a container with an opening which is plugged by the valve of the pocket valve.
Le distributeur ainsi obtenu par assemblage de la valve à poche dans le récipient est ensuite rempli, d'une part, avec le produit à distribuer qui est introduit scus pression dans la valve à poche et, d'autre part, avec un gaz sous pression qui remplit l'espace formé entre le récipient et la valve à poche et qui sert de source de pression pour distribuer le produit quand la valve est actionnée au moyen d' un bouton pulvériseur monté sur la valve .The dispenser thus obtained by assembling the bag valve in the receptacle is then filled, on the one hand, with the product to be dispensed which is introduced into the pocket valve and on the other hand with a gas under pressure. which fills the space formed between the container and the pocket valve and serves as a source of pressure to dispense the product when the valve is operated by means of a pulverizer button mounted on the valve.
Pendant la phase de remplissage du produit, l'étiquette qui maintient la valve à poche en position enroulée est rompue par la pression de remplissage du produit qui fait gonfler la poche tout en déroulant ou en dépliant la poche.During the product filling phase, the label that holds the bag valve in the wound position is broken by the filling pressure of the product which causes the bag to swell while unwinding or unfolding the bag.
La longueur de la valve à poche enroulée est choisie en fonction de la hauteur du récipient de façon à ce que la longueur soit égale à la hauteur du récipient afin de pouvoir contenir une quantité maximale de produit.The length of the rolled pocket valve is chosen according to the height of the container so that the length is equal to the height of the container in order to be able to contain a maximum amount of product.
Seulement, pendant le remplissage du produit, la longueur de la valve à poche se raccourcit au fur et à mesure que la poche se remplit puisque la poche gonfle et se dilate latéralement, ce qui présente l'inconvénient que la poche remplie ne repose pas sur le fond du récipient et que de ce fait, la poche avec le poids du produit est totalement suspendue à la valve, ce qui entraîne que la poche se déchire facilement au cas où on laisse accidentellement tomber le distributeur.Only during the filling of the product, the length of the pocket valve is shortened as the bag fills because the bag swells and expands laterally, which has the disadvantage that the filled bag does not rely on the bottom of the container and that, therefore, the bag with the weight of the product is totally suspended from the valve, resulting in the bag is easily torn in case the dispenser is accidentally dropped.
Quand la poche se déroule pendant le remplissage du produit un autre problème se présente par le fait que la poche possède souvent deux coins supérieurs qui s'étendent latéralement et qui gênent le mouvement de déroulement par le contact de ses coins avec la paroi intérieure du récipient, ce qui fait que la poche reste tordue autour de la valve. D'une part, cette torsion de la poche provoque un affaiblissement de la poche qui peut entraîner la rupture de la poche par l'effet de la torsion même, ou par le fait que, à cause de la torsion, le volume de remplissage de la poche n'est pas suffisant pour contenir la quantité de produit injectée lors d'un remplissage automatisé.When the bag is unfolding during the filling of the product another problem arises in that the bag often has two laterally extending wedges which extend laterally and which impede the unwinding movement by the contact of its corners with the inner wall of the container. so that the pocket remains twisted around the valve. On the one hand, this torsion of the pocket causes a weakening of the pocket which can cause the rupture of the pocket by the effect of the torsion itself, or by the fact that, because of the torsion, the filling volume of the bag is not sufficient to contain the amount of product injected during automated filling.
D'autre part, l'affaiblissement par torsion provoque une rupture plus rapide de la poche quand le distributeur tombe par terre.On the other hand, the torsional weakening causes a faster rupture of the pocket when the distributor falls to the ground.
Un inconvénient lié à l'utilisation de l'étiquette pour maintenir la valve à poche en position enroulée est que cette étiquette gêne le déploiement de la poche, provoquant ainsi une torsion pendant la phase de remplissage, entraînant un affaiblissement comme décrit ci-avant.A disadvantage of using the tag to hold the bag valve in a wound position is that this tag interferes with the deployment of the bag, thereby causing a twist during the filling phase, resulting in a loss as described above.
L'invention a pour but d'éviter un ou plusieurs des inconvénients susdits et de procurer une valve à poche qui permet un remplissage certain d'un distributeur comprenant une telle valve tout en réduisant le risque de torsion et le risque de rupture de la poche lors de la phase de remplissage du récipient ou à l'occasion d'une chute accidentelle du distributeur rempli.The invention aims to avoid one or more of the aforementioned disadvantages and to provide a pocket valve that allows a certain filling of a dispenser comprising such a valve while reducing the risk of torsion and the risk of rupture of the pocket during the filling phase of the container or during an accidental fall of the filled dispenser.
Ce but est atteint selon l'invention par une valve à poche améliorée qui comprend une poche flexible fabriquée en matière étanche et qui est pourvue d' une ouverture obturée par une valve permettant de remplir la poche avec un produit voulu, la poche vide étant enroulée ou repliée autour d'un axe longitudinal et maintenue en position enroulée, caractérisé en ce que la poche est pourvue de moyens permettant l'allongement de la poche lors de son remplissage avec le produit voulu.This object is achieved according to the invention by an improved pocket valve which comprises a flexible bag made of waterproof material and which is provided with an opening closed by a valve to fill the bag with a desired product, the empty bag being wound or folded around a longitudinal axis and held in position wound, characterized in that the bag is provided with means for extending the bag during its filling with the desired product.
De cette façon on obtient que la poche, une fois remplie, repose sur le fond du récipient, ce qui diminue le risque de rupture de la poche lors d'une chute.In this way we obtain that the pocket, once filled, rests on the bottom of the container, which reduces the risk of rupture of the bag during a fall.
Ces moyens permettant l'allongement de la poche lors du remplissage sont avantageusement réalisés par le fait que le fond de la poche est plié vers l'intérieur de la poche vide en formant des rabats pouvant être rabattus vers le haut .These means allowing the lengthening of the bag during filling are advantageously achieved by the fact that the bottom of the bag is folded towards the inside of the empty bag by forming flaps that can be folded upwards.
La forme de la partie supérieure de la poche vide et déroulée est de préférence conique de façon à ce que la largeur de la poche vide diminue vers l'emplacement de la valve .The shape of the upper portion of the empty and unrolled pouch is preferably tapered so that the width of the empty pouch decreases toward the location of the valve.
Ainsi, la forme de la poche a l'avantage de ne pas gêner le mouvement du déroulement ou du déploiement de la poche pendant la phase de remplissage.Thus, the shape of the pocket has the advantage of not hampering the movement of the unwinding or deployment of the bag during the filling phase.
Une autre manière de réaliser cet avantage serait de replier les coins supérieurs de la poche vers l'intérieur avant d'enrouler la poche.Another way to achieve this advantage would be to fold the top corners of the pocket inward before winding the pocket.
La valve à poche vide est maintenue enroulée ou repliée au moyen d'une étiquette collée autour de la poche, cette étiquette comportant une ou plusieurs lignes transversales avec des perforations espacées. Ces perforations ont l'effet que, lors de la phase de remplissage, l'étiquette se déchire à un endroit bien précis prédéterminé par l'emplacement des perforations, réduisant ainsi le risque de torsion de la poche pendant le remplissage.The empty bag valve is held wrapped or folded by means of a label affixed around the bag, this tag having one or more transverse lines with spaced perforations. These perforations have the effect that, during the filling phase, the label is torn at a specific location predetermined by the location of the perforations, thus reducing the risk of torsion of the bag during filling.
Le risque de torsion de la poche est réduit aussi en prévoyant une étiquette autocollante rectangulaire dont la partie centrale est seulement partiellement pourvue d'un adhésif, l'adhésif étant pourvu de préférence dans une zone à forme de sablier.The risk of torsion of the pocket is also reduced by providing a rectangular self-adhesive label whose central portion is only partially provided with an adhesive, the adhesive being preferably provided in an hourglass-shaped zone.
Dans le cas où la poche serait quand même tordue après remplissage de la poche, l'évacuation du produit lors de l'usage du distributeur est rendu plus facile par l'utilisation d'un tube plongeur dont la longueur correspond approximativement à la longueur de la poche et qui est de préférence emboîté sur un embout de la valve.In the case where the bag is still twisted after filling the bag, the evacuation of the product during the use of the dispenser is made easier by the use of a dip tube whose length corresponds approximately to the length of the bag. the pocket and which is preferably fitted on a tip of the valve.
Ce tube plongeur a l'avantage qu'il favorise l'évacuation du produit pendant l'utilisation du distributeur, même si la poche n'est pas comprimée d'une manière symétrique et qu'une partie du produit est emprisonnée dans une partie de la poche séparée, car le tube plongeur crée un chemin d'évacuation à travers et autour du tube plongeur.This dip tube has the advantage that it promotes the evacuation of the product during the use of the dispenser, even if the bag is not compressed in a symmetrical manner and that part of the product is trapped in a part of the separate pocket, because the dip tube creates a vent path through and around the dip tube.
Dans le cas du tube plongeur, la valve est de préférence pourvue de deux passages qui sont en communication avec l'intérieur de la poche, un passage aboutissant dans le tube plongeur, l'autre passage aboutissant dans la poche au-dessus de l'embout susmentionné.In the case of the dip tube, the valve is preferably provided with two passages which are in communication with the interior of the pocket, one passage ending in the dip tube, the other passing into the pocket above the aforementioned tip.
Cela favorise le remplissage rapide de la poche puisque le produit est injecté par un passage supplémentaire vis-à-vis des distributeurs existants qui n'ont qu'un seul passage.This promotes the rapid filling of the bag since the product is injected by an additional passage vis-à-vis the existing distributors that have only one pass.
Pour éviter des fuites à l'endroit où la poche est fixée à la valve, le contour du corps de la valve est d'habitude de forme ovale ou de forme de diamant. Pour réduire l'effet de torsion de la poche sur la valve, la longueur du contour du corps de la valve est de préférence le plus petit possible, mais au moins le double de la largeur dudit contour. Ceci aussi pour avoir la possibilité de bien pré-orienter le contour du corps de la valve avant le soudage dans la poche sur les lignes de production de ces valves-à-poches.To avoid leakage where the bag is attached to the valve, the contour of the body of the valve is usually oval or diamond-shaped. To reduce the twisting effect of the pocket on the valve, the length of the body contour of the valve is preferably as small as possible, but at least twice the width of said contour. This also to be able to pre-orient the contour of the body of the valve before welding in the pocket on the production lines of these valves-pockets.
Selon une réalisation préférée, le corps de la valve comprend une partie intérieure et une partie extérieure, ces parties étant fabriquées en deux matières différentes, c'est-à-dire la partie intérieure en matière synthétique imperméable pour des gaz liquéfiés et la partie extérieure en une matière convenant à la soudure de la couche intérieure de la poche qui est fabriquée en matière PE ou PP, ou d'autres.According to a preferred embodiment, the body of the valve comprises an inner part and an outer part, these parts being manufactured in two different materials, that is to say the inner part of impermeable synthetic material for liquefied gases and the outer part in a material suitable for welding the inner layer of the bag which is made of PE or PP material, or others.
Cela permet d'utiliser des gaz liquéfiés comme gaz propulseur tout en conservant la possibilité de bien fixer la poche à la valve. L'avantage de pouvoir utiliser des gaz liquéfiés pour éjecter le produit pendant l'utilisation du distributeur, est que la pression de compression reste constante et ne diminue quasi pas lorsque la quantité du produit et la quantité des gaz diminuent.This allows the use of liquefied gases as a propellant while maintaining the ability to secure the pocket to the valve. The advantage of being able to use liquefied gases to eject the product during the use of the dispenser is that the compression pressure remains constant and hardly decreases when the amount of the product and the amount of gas decreases.
Pour plus de clarté, quelques exemples de réalisation d'une valve à poche améliorée selon l'invention sont décrites ci- après à titre illustratif et non restrictif, référence étant faite aux dessins annexés dans lesquels:For the sake of clarity, some examples of embodiment of an improved pocket valve according to the invention are described below by way of illustration and not restrictive, reference being made to the appended drawings in which:
la figure 1 est une vue en perspective d'une valve à poche vide selon l'invention; la figure 2 représente la valve à poche de la figure 1 mais introduite dans le récipient d'un distributeur de produit; la figure 3 représente la valve à poche de la figureFigure 1 is a perspective view of a vacuum bag valve according to the invention; Figure 2 shows the pocket valve of Figure 1 but introduced into the container of a product dispenser; FIG. 3 represents the pocket valve of FIG.
1, mais après remplissage avec un produit; les figures 4 et 5 représentent deux phases pendant La production d'une valve à poche selon la figure 1; les figures 6 et 7 représentent des coupes respectivement selon les lignes VI-VI et VII-VII de la figure 5; la figure 8 représente une autre phase de production de la valve à poche selon la figure 1; la figure 9 représente l'étiquette indiquée par F9 dans la figure 1, mais dépliée; la figure 10 représente, à échelle agrandie, la partie indiquée par FlO dans la figure 6 ; la figure 11 représente la même vue que celle de la figure 10, mais dans une autre position ; la figure 12 est une coupe selon la ligne XII-XII de la figure 10; les figures 13 et 14 représentent une réalisation différente d'une valve à poche selon l'invention. Dans les figures 1 et 2 est représentée une valve à poche 1 améliorée selon l'invention, prévue pour être montée dans un récipient 2 d' un distributeur de produit comme représenté dans la figure 2.1, but after filling with a product; Figures 4 and 5 show two phases during the production of a pocket valve according to Figure 1; Figures 6 and 7 show sections respectively along the lines VI-VI and VII-VII of Figure 5; FIG. 8 represents another production phase of the pocket valve according to FIG. 1; Figure 9 shows the label indicated by F9 in Figure 1, but unfolded; Figure 10 shows, on an enlarged scale, the portion indicated by FlO in Figure 6; Figure 11 shows the same view as that of Figure 10, but in another position; Figure 12 is a section along the line XII-XII of Figure 10; Figures 13 and 14 show a different embodiment of a pocket valve according to the invention. FIGS. 1 and 2 show an improved pocket valve 1 according to the invention, intended to be mounted in a container 2 of a product dispenser as shown in FIG.
La valve à poche améliorée 1 comprend une poche flexible 4 fabriquée en matière étanche qui est pourvue d'une ouverture qui est obturée par le corps 5 d'une valve 6 permettant de remplir la poche 4 avec un produit voulu, la poche 4 vide étant enroulée ou repliée autour d'un axe longitudinal X-X' et maintenue en position enroulée par une étiquette 7 collée autour de la poche 4 enroulée.The improved pocket valve 1 comprises a flexible bag 4 made of waterproof material which is provided with an opening which is closed by the body 5 of a valve 6 to fill the bag 4 with a desired product, the empty bag 4 being wound or folded around a longitudinal axis XX 'and held in the wound position by a label 7 glued around the wound pocket 4.
Dans le cas représenté, la valve est fixée au récipient 2 au moyen d'une cuvette 8 qui sert de bouchon pour le récipient afin de créer un compartiment 9 clos entre le récipient 2 et la poche 4 pouvant contenir un gaz propulseur.In the case shown, the valve is fixed to the container 2 by means of a bowl 8 which serves as a cap for the container to create a closed compartment 9 between the container 2 and the bag 4 may contain a propellant.
Après assemblage de la valve à poche 1 et du récipient 2, la poche 4 est remplie sous pression avec un produit voulu, tandis que le compartiment 9 soit remplie avec une quantité de gaz ou de gaz liquéfié.After assembly of the bag valve 1 and the container 2, the bag 4 is filled under pressure with a desired product, while the compartment 9 is filled with a quantity of gas or liquefied gas.
La pression de remplissage du produit fait gonfler la poche 4, ce qui entraîne la rupture de l'étiquette 7 et le déroulement de la poche autour de l'axe X-X' comme représenté dans la figure 3.The filling pressure of the product causes the bag 4 to swell, which causes the label 7 to break and the bag to unwind around the X-X 'axis as shown in FIG.
Après remplissage, le distributeur 3 est complété comme illustré à la figure 3 en introduisant une tête de pulvérisation ou de distribution 10 qui est montée sur la valve 6 au moyen d'une tige de soupape 11 qui permet l'éjection sous pression du gaz propulseur et la pulvérisation ou la distribution du produit quand on appuie sur la tête de pulvérisation 10.After filling, distributor 3 is completed as illustrated in Figure 3 by introducing a spray or dispensing head 10 which is mounted on the valve 6 by means of a valve stem 11 which allows the pressurized ejection of the propellant and the spraying or dispensing of the product when press the spray head 10.
Généralement, les valves à poche sont fabriquées en série comme représenté dans la figure 4 et sont ensuite découpées l'une de l'autre.Generally, the pocket valves are manufactured in series as shown in Figure 4 and are then cut from each other.
Comme représenté plus en détail dans les figures 5 à 7, chaque valve à poche est fabriquée par deux couches 12 etAs shown in more detail in FIGS. 5 to 7, each pocket valve is manufactured by two layers 12 and
13 superposée en matière synthétique étanche et par un fond13 superimposed synthetic waterproof material and a bottom
14 pliée en double et intercalée entre ces deux couches 12 et 13, les deux couches 12 et 13 et le fond étant soudés ensemble au niveau de leurs contours 15 à l'endroit où ils sont en contact mutuel, pour former deux rabats 16 pouvant être rabattus extérieurement vers le haut comme indiqué par les flèches P.14 folded in double between these two layers 12 and 13, the two layers 12 and 13 and the bottom being welded together at their contours 15 at the point where they are in mutual contact, to form two flaps 16 which can be folded outwards as indicated by the arrows P.
Dans le cas de l'exemple des figures, les deux couches 12 et 13 et le fond 14 sont réalisés en une seule pièce pliée d'une certaine manière, mais il se peut aussi que les couches 12 et 13 et le fond 14 sont des pièces séparées soudées ensemble.In the case of the example of the figures, the two layers 12 and 13 and the bottom 14 are made in one piece folded in a certain way, but it is also possible that the layers 12 and 13 and the bottom 14 are separate pieces welded together.
Comme illustré dans la figure 4, les poches 4 sont en principe fabriquées en série à partir d'une bande continue pliée que l'on fait défiler en dessous d'une machine à souder qui réalise les soudures des contours 15 avec des intervalles bien déterminés à l'endroit des séparations des poches 4, les soudures ayant une forme qui s'élargit vers le haut pour réaliser des poches 4 dont la partie supérieure est conique de façon à ce que la largeur de la poche 4 vide diminue vers l'emplacement de la valve 6.As illustrated in FIG. 4, the pockets 4 are in principle manufactured in series from a folded continuous strip which is passed under a welding machine which carries out the welds of the contours 15 with defined intervals at the location of the pockets 4 separations, the welds having a shape that widens upward to achieve pockets 4 whose upper portion is tapered so that the width of the empty bag 4 decreases towards the location of the valve 6.
Après soudure, les poches 4 sont séparées par découpage.After welding, the pockets 4 are separated by cutting.
Les poches 4 ainsi séparées sont ensuite enroulées autour de l'axe X-X' suivant les flèches Q, après avoir rabattu les rabats 16.The pockets 4 thus separated are then wound around the axis X-X 'according to the arrows Q, after having folded the flaps 16.
Une étiquette 7, ou dans le cas échéant plusieurs étiquettes, sont ensuite collées autour de chaque poche enroulée pour la maintenir enroulée comme indiquée dans la figure 1.A label 7, or if necessary several labels, are then glued around each rolled pocket to keep it wound as shown in FIG.
Comme indiqué dans la figure 9, les étiquettes sont rectangulaires et comportent une ou plusieurs lignes transversales 17 avec des perforations 18 espacées pour faciliter la rupture des étiquettes 7 lors du remplissage des poches 4.As indicated in FIG. 9, the labels are rectangular and comprise one or more transverse lines 17 with perforations 18 spaced apart to facilitate breaking of the labels 7 when filling the pockets 4.
L' étiquette 7 est une étiquette autocollante dont la partie centrale est seulement partiellement pourvue d'un adhésif 19, par exemple parce que l'adhésif 19 est pourvu dans une zone 20 à forme de sablier, contre sablier ou autre.The label 7 is a self-adhesive label whose central portion is only partially provided with an adhesive 19, for example because the adhesive 19 is provided in a zone 20 of hourglass shape, against hourglass or other.
La construction de la valve 6 est montrée plus en détail dans les figures 10 à 12. Le corps 5 de la valve 6 est caractérisé par un contour de forme ovale ou de forme de diamant dont la longueur L est de préférence au moins le double de la largeur M du contour comme indiquée dans la figure 12.The construction of the valve 6 is shown in more detail in FIGS. 10 to 12. The body 5 of the valve 6 is characterized by an oval-shaped or diamond-shaped contour whose length L is preferably at least twice the width M of the contour as shown in FIG. 12.
La valve 6 comprend un passage 21 pour l'évacuation du produit hors de la poche 4 vers l'extérieur, le passage 21 pouvant être obturé par une soupape 22 qui est logée dans une chambre 23 formée par une partie du passage 21 à diamètre plus large et dont la tige 11 dépasse vers l'extérieur à travers d'un joint 24.The valve 6 comprises a passage 21 for the discharge of the product out of the pocket 4 to the outside, the passage 21 being closable by a valve 22 which is housed in a chamber 23 formed by a portion of the passage 21 with a larger diameter. wide and whose rod 11 protrudes outwardly through a seal 24.
Au repos, la soupape 22 est maintenue appliquée contre le joint 24 comme indiquée dans la figure 10, de façon à ce qu'un passage interne 25 de la soupape 22 est obturé dans cette position, tandis que le passage 25 soit ouvert lorsque la tige 11 de la soupape 22 est enfoncée pour faire sortir le produit via le passage 21 de la valve 6 comme indiqué par les flèches R dans la figure 11.At rest, the valve 22 is held against the seal 24 as shown in FIG. 10, so that an internal passage 25 of the valve 22 is closed in this position, while the passage 25 is opened when the stem 11 of the valve 22 is depressed to release the product via the passage 21 of the valve 6 as indicated by the arrows R in Figure 11.
La valve 6 est de préférence munie d'un embout 26 sur lequel s'emboîte un tube plongeur 27 qui est en communication avec le passage 21 de la valve 6 et dont la longueur est inférieure ou correspond approximativement à la longueur de la poche 4.The valve 6 is preferably provided with a tip 26 on which fits a plunger tube 27 which is in communication with the passage 21 of the valve 6 and whose length is less than or approximately equal to the length of the pocket 4.
Dans l'exemple des figures, la valve 6 est pourvue d'un deuxième passage 28 qui est en communication avec l'intérieur de la poche 4, ce passage 28 aboutissant dans la poche 4 au-dessus du niveau de l'embout 26. Ces deux passages 21 et 28 permettent un remplissage plus rapide de la poche 4 avec un produit.In the example of the figures, the valve 6 is provided with a second passage 28 which is in communication with the inside of the pocket 4, this passage 28 leading into the pocket 4 above the level of the tip 26. These two passages 21 and 28 allow faster filling of the bag 4 with a product.
Selon une particularité de l'invention, le corps 5 de la valve 6 comprend une partie intérieure 29 et une partie extérieure 30 comme représenté dans la figure 12, les deux parties 29 et 30 étant fabriquées en deux matières différentes, c'est-à-dire une partie intérieure 29 en matière synthétique imperméable pour des gaz liquéfiés et une partie extérieure 30 dans une matière qui convient pour l'utilisation d'une poche 4 dont la couche intérieure est fabriquée en matière PE ou PP ou d'autres matières soudables .According to a feature of the invention, the body 5 of the valve 6 comprises an inner portion 29 and an outer portion 30 as shown in Figure 12, the two parts 29 and 30 being made of two different materials, that is to say that is, an inner part 29 made of impermeable synthetic material for liquefied gases and an outer part 30 in a material which is suitable for the use of a pocket 4 whose inner layer is made of PE or PP material or other weldable materials .
L'utilisation d'une valve à poche 1 selon l'invention pour réaliser un distributeur de produit 3 est comme suite.The use of a pocket valve 1 according to the invention for producing a product dispenser 3 is as follows.
La valve à poche 1 enroulée est introduite, le gaz est introduit au dessus et autour de la valve, puis la valve est fixée dans le récipient 2 pour bouchonner le récipient. II est possible aussi que le gaz est injecté dans le récipient vers un bouchon synthétique, valve au autres, qui est situé dans le fond du récipient.The wound pocket valve 1 is introduced, the gas is introduced above and around the valve, then the valve is fixed in the container 2 to plug the container. It is also possible that the gas is injected into the container to a synthetic plug, valve to others, which is located in the bottom of the container.
Ensuite une quantité de produit à distribuer bien déterminée est injectée sous pression dans la poche 4 à travers les passages 21 et 28 qui permettent le remplissage rapide de la poche 4.Then a quantity of product to distribute well determined is injected under pressure into the pocket 4 through the passages 21 and 28 which allow the rapid filling of the pocket 4.
Par la pression d'injection, la poche 4 gonfle et déchire l'étiquette 7 à l'endroit des lignes 17 de perforations 18. La poche 4 se déroule en sens inverse des flèches Q, tandis que les rabats 16 se remplissent avec le produit et se déplient extérieurement vers le bas, permettant ainsi l'allongement de la poche 4 par rapport à la longueur initiale, de manière à ce que le fond 14 repose sur le fond 31 du récipient 2.By the injection pressure, the bag 4 inflates and tears the label 7 at the location of the lines 17 of perforations 18. The pocket 4 runs in the opposite direction of the arrows Q, while the flaps 16 fill with the product and unfold outwardly downwards, thereby allowing the pocket 4 to lengthen relative to the initial length, so that that the bottom 14 rests on the bottom 31 of the container 2.
Les dimensions et la forme de la valve à poche 1 sont de préférence tel que la valve à poche 1 vide ne touche pas le fond 31 du récipient 2 quand elle est montée dans le récipient et que la poche 4 de la valve à poche 1 repose sur le fond 31 du récipient 2 quand la poche 4 est remplie.The dimensions and the shape of the pocket valve 1 are preferably such that the vacuum bag valve 1 does not touch the bottom 31 of the container 2 when it is mounted in the container and the pocket 4 of the pocket valve 1 rests on the bottom 31 of the container 2 when the bag 4 is filled.
De ce fait l'introduction de la valve à poche vide dans le récipient n'est pas gênée par la longueur de la valve à poche .As a result, the introduction of the empty bag valve into the container is not impeded by the length of the bag valve.
En effet une poche 1 enroulée ou repliée a une certaine raideur qui pourrait gêner l'introduction de la valve à poche 1 dans le récipient 2 quand celle-ci serait plus longue que la profondeur du récipient car dans ce cas la valve à poche 1 heurterait le fond du récipient lors de son montage. On risquerait alors aussi d'abîmer la valve à poche .Indeed a pocket 1 wound or folded has a certain stiffness that could interfere with the introduction of the pocket valve 1 in the container 2 when it would be longer than the depth of the container because in this case the pocket valve 1 would hit the bottom of the container during its assembly. This could also damage the pocket valve.
Grâce à la construction de l'étiquette 7 et de la forme conique de la poche 4, le déroulement de la poche 4 n'est pratiquement pas gêné par l'étiquette ou par le frottement de la poche 4 contre la paroi intérieure du récipient 2. La figure 14 est une variante d'une valve à poche 1 selon l'invention qui est obtenue à partir de la valve à poche dans la figure 13 qui représente une valve à poche à deux couches 12 et 13 superposées étant soudées ensemble au niveau de leurs contours 15, et dont l'extrémité libre inférieur est pliée en double comme un rabat 32, comme représenté avec la flèche P' dans la figure 14, afin de réduire la longueur de la valve à poche 1 vide et qui ensuite est enroulée ou repliée de la même façon que dans les figures précédentes.Thanks to the construction of the label 7 and the conical shape of the bag 4, the unwinding of the bag 4 is practically unaffected by the label or by the friction of the bag 4 against the inner wall of the container 2 . FIG. 14 is a variant of a pocket valve 1 according to the invention which is obtained from the pocket valve in FIG. 13 which represents a two-layered pocket valve 12 and 13 superimposed being welded together at the their contours 15, and whose lower free end is folded in double like a flap 32, as shown with the arrow P 'in Figure 14, to reduce the length of the empty bag valve 1 and which is then wound or folded in the same way as in the previous figures.
Le rabat 32 ainsi plié peut par exemple être maintenu en position avec une étiquette 33 qui comprend par exemple les mêmes caractéristiques qu'une étiquette 7.The flap 32 thus folded can for example be held in position with a label 33 which comprises for example the same characteristics as a label 7.
Lors du remplissage d'une telle valve à poche 1, le rabat 32 replié sera déplie en sens inverse pour se reposer sur le fond 31 du récipient, tout en déchirant l'étiquette 33.When filling such a pocket valve 1, the flap 32 folded unfolded in the opposite direction to rest on the bottom 31 of the container, while tearing the label 33.
Il est évident que l'invention n'est nullement limitée aux exemples décrits ci-avant mais que de nombreuses modifications peuvent être apportées à la valve à poche décrite ci-avant sans sortir du cadre de l'invention telle que définie dans les revendications suivantes. It is obvious that the invention is not limited to the examples described above but that many modifications can be made to the pocket valve described above without departing from the scope of the invention as defined in the following claims .

Claims

Revendications . Claims.
1. Valve à poche améliorée qui comprend une poche flexible (4) fabriquée en matière étanche et qui est pourvu d'une ouverture obturée par une valve (6) permettant de remplir la poche (4) avec un produit voulu, la poche (4) vide étant enroulée ou repliée autour d'un axe longitudinal (X-X') et maintenue en position enroulée, caractérisée en ce que la poche (4) est pourvue de moyens permettant l'allongement de la poche (4) lors de son remplissage avec le produit voulu.An improved pocket valve which comprises a flexible bag (4) made of waterproof material and which is provided with an opening closed by a valve (6) for filling the bag (4) with a desired product, the bag (4). ) empty being wound or folded around a longitudinal axis (X-X ') and held in the wound position, characterized in that the pocket (4) is provided with means for extending the pocket (4) during its filling with the desired product.
2. Valve à poche selon la revendication 1, caractérisée en ce que la poche (4) est pourvue d'un fond (14) plié vers l'intérieur de la poche (4) vide en formant des rabats (16) pouvant être rabattus vers le haut.2. Pocket valve according to claim 1, characterized in that the pocket (4) is provided with a bottom (14) folded towards the inside of the empty bag (4) forming flaps (16) which can be folded down. to the top.
3. Valve à poche selon la revendication 1 ou 2, caractérisée en ce que la poche (4) est fabriquée par deux couches superposées (12, 13) et un fond (14) plié en double et intercalé entre ces deux couches (12, 13), les deux couches (12, 13) et le fond (14) étant soudés ensemble au niveau de leurs contours (15) à l'endroit ou ils sont en contact mutuel, pour former deux rabats (16) pouvant être rabattus vers le haut.3. Pocket valve according to claim 1 or 2, characterized in that the pocket (4) is manufactured by two superimposed layers (12, 13) and a bottom (14) folded in duplicate and interposed between these two layers (12, 13), the two layers (12, 13) and the bottom (14) being welded together at their contours (15) at the point where they are in mutual contact, to form two flaps (16) which can be folded towards the top.
4. Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce que la forme de la partie supérieure de la poche (4) vide et déroulée soit conique de façon à ce que la largeur de la poche (4) vide diminue vers l'emplacement de la valve (6). 4. Pocket valve according to any one of the preceding claims, characterized in that the shape of the upper part of the bag (4) empty and unwound is tapered so that the width of the empty bag (4) decreases towards the location of the valve (6).
5. Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce que les coins supérieurs de la poche (4) sont repliés vers l'intérieur avant que la poche (4) soit enroulée ou repliée.Pocket valve according to one of the preceding claims, characterized in that the upper corners of the pocket (4) are folded inwards before the pocket (4) is rolled up or folded.
6. Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce que la poche (4) de la valve à poche (1) vide est maintenue enroulée ou repliée au moyen d'une étiquette (7) collée autour.6. Pocket valve according to any one of the preceding claims, characterized in that the pocket (4) of the empty bag valve (1) is kept wound or folded by means of a label (7) glued around.
7. Valve à poche selon la revendication 6, caractérisée en ce que l'étiquette (7) comporte une ou plusieurs lignes (17) transversales avec des perforations (18) espacées.Pocket valve according to Claim 6, characterized in that the label (7) has one or more transverse lines (17) with spaced perforations (18).
8. Valve à poche selon la revendication 6 ou '', caractérisée en ce que l'étiquette (7) est une étiquette autocollante rectangulaire dont la partie centrale est seulement partiellement pourvue d'un adhésif (19).8. Pocket valve according to claim 6 or ' ', characterized in that the label (7) is a rectangular self-adhesive label whose central portion is only partially provided with an adhesive (19).
9. Valve à poche selon la revendication 8, caractérisée en ce que l'adhésif (19) est pourvu dans une zone (20) à forme de sablier, contre sablier ou autres.9. Pocket valve according to claim 8, characterized in that the adhesive (19) is provided in a zone (20) hourglass-shaped, hourglass or other.
10. Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comprend un tube plongeur .10. Pocket valve according to any one of the preceding claims, characterized in that it comprises a dip tube.
11. Valve à poche selon la revendication 10, caractérisée en ce que la valve (6) est munie d'un embout (26) pour la fixation du tube plongeur (27). 11. Pocket valve according to claim 10, characterized in that the valve (6) is provided with a nozzle (26) for fixing the dip tube (27).
12. Valve à poche selon la revendication 10 ou 11, caractérisée en ce que la longueur du tube plongeur (27) correspond approximativement à la longueur de la poche.Pocket valve according to claim 10 or 11, characterized in that the length of the dip tube (27) corresponds approximately to the length of the pocket.
13. Valve à poche selon la revendication 11 ou 12, caractérisée en ce que la valve (6) est pourvue de deux passages (21, 28) qui sont en communication avec l'intérieur de la poche (4), un passage (21) aboutissant dans le tube plongeur (27), l'autre passage (28) aboutissant dans la poche (4) au-dessus de l'embout (26) susmentionné .Pocket valve according to Claim 11 or 12, characterized in that the valve (6) is provided with two passages (21, 28) which are in communication with the interior of the pocket (4), a passage (21 ) ending in the plunger tube (27), the other passage (28) leading into the pocket (4) above the aforementioned tip (26).
14. Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce que le contour du corps (5) de la valve (6) est de forme ovale ou de forme de diamant dont la longueur (L) est le plus petit possible, mais au moins le double de la largeur (M) du contour.14. Pocket valve according to any one of the preceding claims, characterized in that the contour of the body (5) of the valve (6) is oval or diamond-shaped whose length (L) is the smallest possible, but at least twice the width (M) of the contour.
15. Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps (5) de la valve (6) comprend une partie intérieure (29) et une partie extérieure (30), les parties (29, 30) étant fabriquées en deux matières différentes, c'est-à-dire la partie intérieure (29) en matière synthétique imperméable pour des gaz liquéfiés et la partie extérieure (30) en une matière convenant à la soudure d'une couche intérieure de la poche (4) fabriquée en matière PE ou PP ou d'autres matières soudables et ou collables. Pocket valve according to one of the preceding claims, characterized in that the body (5) of the valve (6) comprises an inner part (29) and an outer part (30), the parts (29, 30 ) being made of two different materials, ie the inner part (29) of impervious synthetic material for liquefied gases and the outer part (30) of a material suitable for welding an inner layer of the pocket (4) made of PE or PP material or other weldable and bondable materials.
16.- Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce que las dimensions et la forme de la valve à poche (1) sont telles que la valve à poche (1) vide ne touche pas le fond (31) du récipient (2) quand elle est montée dans le récipient (2) et que la poche (4) de la valve à poche (1) repose sur le fond (31) du récipient (2) quand la poche (4) est remplie.16.- pocket valve according to any one of the preceding claims, characterized in that the dimensions and shape of the pocket valve (1) are such that the empty pocket valve (1) does not touch the bottom (31). ) of the container (2) when it is mounted in the container (2) and that the pocket (4) of the bag valve (1) rests on the bottom (31) of the container (2) when the bag (4) is filled.
17. Valve à poche selon l'une quelconque des revendications précédentes, caractérisée en ce que l'extrémité libre de La poche (4) est pliée en double pour former un rabat (32) afin de réduire la longueur de la valve à poche (1) vide enroulée ou repliée.Pocket valve according to one of the preceding claims, characterized in that the free end of the pocket (4) is folded in two folds to form a flap (32) to reduce the length of the pocket valve ( 1) empty rolled up or folded.
18.- Valve à poche selon la revendication 17, caractérisée en ce que le rabat (32) est maintenu en place par une étiquette (33) . 18.- pocket valve according to claim 17, characterized in that the flap (32) is held in place by a label (33).
EP06829882A 2005-12-30 2006-12-28 Improved valve bag Not-in-force EP1966064B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200630598T SI1966064T1 (en) 2005-12-30 2006-12-28 Improved valve bag
PL06829882T PL1966064T3 (en) 2005-12-30 2006-12-28 Improved valve bag

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0554155A FR2895735B1 (en) 2005-12-30 2005-12-30 IMPROVED POCKET VALVE
PCT/EP2006/012564 WO2007077003A1 (en) 2005-12-30 2006-12-28 Improved bag valve

Publications (2)

Publication Number Publication Date
EP1966064A1 true EP1966064A1 (en) 2008-09-10
EP1966064B1 EP1966064B1 (en) 2009-12-30

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ID=36997804

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Application Number Title Priority Date Filing Date
EP06829882A Not-in-force EP1966064B1 (en) 2005-12-30 2006-12-28 Improved valve bag

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US (1) US8196620B2 (en)
EP (1) EP1966064B1 (en)
JP (1) JP5039056B2 (en)
KR (1) KR20080096500A (en)
CN (1) CN101356102B (en)
AT (1) ATE453586T1 (en)
AU (1) AU2006332121B2 (en)
BR (1) BRPI0620770A2 (en)
CA (1) CA2635627C (en)
DE (1) DE602006011507D1 (en)
ES (1) ES2338465T3 (en)
FR (1) FR2895735B1 (en)
HK (1) HK1128269A1 (en)
MX (1) MX2008008471A (en)
PL (1) PL1966064T3 (en)
PT (1) PT1966064E (en)
RU (1) RU2410307C2 (en)
SI (1) SI1966064T1 (en)
WO (1) WO2007077003A1 (en)
ZA (1) ZA200805258B (en)

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Also Published As

Publication number Publication date
RU2410307C2 (en) 2011-01-27
MX2008008471A (en) 2008-09-26
DE602006011507D1 (en) 2010-02-11
FR2895735B1 (en) 2008-04-18
CN101356102A (en) 2009-01-28
WO2007077003A1 (en) 2007-07-12
ATE453586T1 (en) 2010-01-15
BRPI0620770A2 (en) 2011-11-22
JP2009522173A (en) 2009-06-11
HK1128269A1 (en) 2009-10-23
CA2635627C (en) 2013-07-30
ZA200805258B (en) 2009-04-29
US20080314475A1 (en) 2008-12-25
RU2008131283A (en) 2010-02-10
AU2006332121B2 (en) 2011-12-01
JP5039056B2 (en) 2012-10-03
AU2006332121A1 (en) 2007-07-12
CA2635627A1 (en) 2007-07-12
ES2338465T3 (en) 2010-05-07
FR2895735A1 (en) 2007-07-06
PT1966064E (en) 2010-03-17
KR20080096500A (en) 2008-10-30
SI1966064T1 (en) 2010-04-30
CN101356102B (en) 2011-10-05
WO2007077003A8 (en) 2008-09-04
US8196620B2 (en) 2012-06-12
EP1966064B1 (en) 2009-12-30
PL1966064T3 (en) 2010-06-30

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