WO1997036801A2 - Procede et dispositif pour le maintien et la generation d'une pression dans un distributeur de produit - Google Patents

Procede et dispositif pour le maintien et la generation d'une pression dans un distributeur de produit Download PDF

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Publication number
WO1997036801A2
WO1997036801A2 PCT/BE1997/000039 BE9700039W WO9736801A2 WO 1997036801 A2 WO1997036801 A2 WO 1997036801A2 BE 9700039 W BE9700039 W BE 9700039W WO 9736801 A2 WO9736801 A2 WO 9736801A2
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
passage
product
gas
spray
Prior art date
Application number
PCT/BE1997/000039
Other languages
English (en)
Other versions
WO1997036801A3 (fr
Inventor
Raymond Leonard Housen
Original Assignee
Belgium Spray Accessory Factory Naamloze Vennootschap
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
Priority claimed from BE9600282A external-priority patent/BE1010131A3/nl
Application filed by Belgium Spray Accessory Factory Naamloze Vennootschap filed Critical Belgium Spray Accessory Factory Naamloze Vennootschap
Priority to AU22819/97A priority Critical patent/AU2281997A/en
Priority to EP97915206A priority patent/EP0892747A2/fr
Priority to JP9534755A priority patent/JP2000507530A/ja
Publication of WO1997036801A2 publication Critical patent/WO1997036801A2/fr
Publication of WO1997036801A3 publication Critical patent/WO1997036801A3/fr

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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
    • 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
    • B65D83/66—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head
    • B65D83/663—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head at least a portion of the propellant being separated from the product and incrementally released by means of a pressure regulator

Definitions

  • This invention refers to a method and a device for generating pressure in a spray can and the like, as well as to a spray can equipped with such device.
  • it refers to a method for generating pressure of the type whereby at least two products are brought into contact with each other in such a way that, by doing so, a gas is produced and, thereby, a gas pressure is created.
  • the aforementioned products are stocked in different compartments of a pouch.
  • the products by subsequently breaking the partition walls between the aforementioned compartments, are brought into contact with each other, as a result of which a gas is created in the pouch, expanding this pouch.
  • the expansion of the pouch is used to dispense the product present in the spray can, as well as for systematically breaking the partition walls of the subsequent compartments.
  • This technique shows as a less favourable characteristic that the pressure in the spray can is not constant, but fluctuates.
  • a gas production occurs which causes a press ⁇ ure increase.
  • the two subsequent compartments are only connected to each other as soon as the pouch has realized a definite expansion, whereby the pressure, however, is reduced.
  • the number of compart- ments is limited due to constructive causes, the afore ⁇ mentioned pressure fluctuations are relatively large.
  • This known technique also shows the disadvantage that the pouch with the compartments has to be assembled quite accurately in order to let the partitions between the compartments break at the right moments.
  • the invention aims at a method and device with which one or more of the aforementioned disadvantages can be excluded.
  • the invention concerns a method for generating pressure in a spray can, whereby at least two products are brought into contact with each other in such a way that, by doing so, a gas is produced and, thereby, a gas pressure is created, with the characteristic that the products are brought together via a passage, whereby the flow rate via this passage is commanded by means of a movable element which, in its turn, is controlled by the gas pressure prevailing around the device.
  • the flow rate of the passage is regulated by means of a pressure- reactive regulator, more particularly a pressure-reactive valve reacting progressively onto the pressure in the spray can, such that the passage is closed every time the pressure in the spray can has obtained a well-defined value, but is reopened as soon as the pressure decreases below the aforementioned value.
  • the passage is closed initially and, by means of the moving element, a remaining passage is created once, as a result of which the products concerned react completely.
  • the invention also refers to a device for the realization of the aforementioned method.
  • a device for the realization of the aforementioned method consists of a receptacle wherein a first of aforementioned two products is available; a closable or closed passage via which, by means of opening or realizing an open passage, the first product and the second product can be brought into contact with each other; and a movable element which can be controlled by means of the pressure surrounding the device and which performs the opening, and eventually closing, of the passage, respectively the production of such a passage.
  • the first product preferably is a liquid, ⁇ o that, for the movable element, use can be made of a valve.
  • This valve provides in that the liquid can leave the receptacle and come into contact with the second product.
  • the device comprises means which allow for placing the liquid under pressure in the receptacle, assisted by the pressure which is created in the spray can, such that no separate pressure means for the expulsion of the liquid are necessary.
  • these means are formed by a wall of the aforementioned receptacle which, to this aim, is manufactured from a slowly gas- permeable material.
  • the products which are brought into contact with each other via the passage can be the products which react with each other for the production of a gas, but may also be products which do not react with each other, but provoke a reaction.
  • the first product consists of a liquid acid
  • the second product consists of salt in solid condition.
  • the first product consists of a dissolvent, for example water
  • the second product consists of a dry composition of an acid and a salt, such, that a reaction with formation of a gas will be performed only when the acid and/or salt comes into dissolved condition by adding the first product to the second product.
  • the device is equipped with a pressure-reactive flow regulator which is manufac ⁇ tured in such a way that the passage is closed as soon as the pressure reaches a value which is higher than or equal to the dispensing pressure of the spray can for which the device is intended, and is closed at least also at a pressure which is smaller than or equal to atmos ⁇ pheric pressure.
  • a pressure-reactive flow regulator which is manufac ⁇ tured in such a way that the passage is closed as soon as the pressure reaches a value which is higher than or equal to the dispensing pressure of the spray can for which the device is intended, and is closed at least also at a pressure which is smaller than or equal to atmos ⁇ pheric pressure.
  • the invention also refers to a device for generating pressure in a spray can, whereby at least two products are brought into contact with each other such, that, by doing so, a gas is produced and, thereby, a gas pressure is created, characterized in that the first product consists of a dissolvent and the second product consists of a dry composition of salt and an acid, preferably in the shape of a block of compressed powder, regardless of the manner in which these products are brought together.
  • figure 1 schematically shows a spray can equipped with a device according to the invention
  • figure 2 shows a practical form of embodiment
  • figure 3, on a larger scale and in cross-section shows the part which is indicated by arrow F3 in figure 2
  • figure 4 shows a cross-section according to line IV- IV in figure 3
  • figures 5, 6 and 7, on a larger scale show the part which is indicated by F5 in figure 3, for different positions
  • figure 8 shows an alternative of the part which is indicated by F8 in figure 3
  • figure 9, in cross-section shows a variant of a device according to the invention
  • figures 10 and 11, on a larger scale and for different positions show the part which i ⁇ indicated by F10 in figure 9
  • figures 12 and 13 show the bottom part of another two variants
  • figure ⁇ 14 to 16 show the device from figure 13 in different positions
  • figures 17 and 18 show another device according to the invention, for two different positions
  • figures 19 to 21 show a further form of embodiment, also for different positions.
  • the invention refers to a device l which can be installed in a spray can 2, allowing to create an excess pressure P in the container 3 of the spray can 2, such that the product 4 to be dispensed, present in the spray can, is expelled from the container 3, for example, by means of a dip tube 5, as soon as the usual valve 6 or similar is activated, more particularly, is opened by means of pressing a push-button 7.
  • the first product 8 to this end preferably consists of an acid in liquid condition, or of an acid dissolved in a liquid, for example, citric acid.
  • the second product 9 preferably consists of a salt, for example, calcium carbonate, barium carbonate, or sodium bicarbonate.
  • the device 1 for the generation of the gas 10 substantially consists of a receptacle ll wherein the first product 8 is situated; a passage 12 via which the first product 8 can come into contact with the second product 9; and a pressure-reactive flow regulator 13, with a movable element, such as a close-off valve, with which the passage 12, in function of the surrounding pressure around the device 1, thus, of the pressure in the container 3, is closed-off or not.
  • the pressure-reactive flow regulator 13, in this case, is of such nature that the passage 12 is closed-off as soon as the value of the pressure in the container 3 is higher t h an or equal to a pre-defined value, and is reopened as soon as a pressure decrease occurs in the container 3.
  • b y the aforementioned pre-defined value is equal to the necessary dispen ⁇ ing pressure.
  • the aforementioned products 8 and 9 must not each be placed within a receptacle. It is, however, sufficient that they are separated from each other and they can be brought together in a controlled manner by means of the pressure-reactive flow regulator. Principally, one of the two products, in this case, product 9, may be present freely in the container 3 of the spray can.
  • the container 3 In non-operative condition, the container 3 is filled with a defined quantity of product 4 to be dispensed and a quantity of gas 10 with which the container 3 is held under a pressure P.
  • the valve 6 When pressing the push-button 7, the valve 6 is opened and the product 4, via dip tube 5 and a dispensing opening 14, is expelled outwards and eventual ⁇ ly atomized.
  • the pressure in the container 3 decreases.
  • the pressure decrease is percepted by the pressure-reactive flow regulator 13 which hereby opens the passage 12.
  • the product 8 from the receptacle 12 comes into contact with product 9, which causes the generation of gas 10 and the restoration of pressure P.
  • the receptacle 11 is set under pressure by providing therein, along with the product 8, also a quantity of gas under pressure, with a pressure that is preferably higher than the dispensing pressure of the spray can.
  • the second product 9 is placed in a chamber 15 which connects to the aforementioned passage 12, which offers the advantage that the product 8, flowing out of the passage, directly comes into contact with product 9, which guarantees an immediate reaction.
  • the generated gas 10 can leave the chamber 15 via outlet openings 16.
  • the pressure-reactive flow regulator 13 consists of a pressure-reactive element 17 and a movable element cooperating with it, more particularly a valve 18, which is mounted in the passage 12.
  • the pressure-reactive element 17 can principally consist of any elastically compressible construction. In the given example, it consists of a housing 19, one wall of which is formed by a diaphragm 20, which can be moved under the influence of the pressure present in the spray can and consists, for example, of a thin corrugated steel plate. The reaction force during indentation of the diaphrag a 20 is substantially delivered by means of an elastic element 21 which is enclosed in the housing 19.
  • the housing 19 is gas-tight.
  • the elastic element 21 is to be formed by a piece of rubber or plastic tube which, in compressed condition, is to be enclosed into the housing 19 either straight or in wou.d-up condition.
  • the valve 18 preferably consists of a needle-shaped valve body 22 wherein a recess 23 is provided, and a valve seat 24 in which the valve body 22 can shift axially such, that the passage 12 is open when the recess 23 is located in front of valve seat 24.
  • valve seat 24 can consist of an O-ring mounted in the pas ⁇ age 12.
  • the valve body 22 at one end cooperates with the diaphragm 20 and can be fixed to it or not.
  • the receptacle 11 has a wall 25 which is manufactured from a material allowing a slow permeation of gas under application of a pressure difference.
  • This wall 25 must not be permeable for all gases, it is sufficient that it is permeable for the produced gas 10, first of all for carbon dioxide.
  • this wall 25 shall consist of semi ⁇ rigid material, for example polyurethane.
  • the wall 25 shall be manufactured relatively thin, for example, by means of a thermo-forming process. In order to give it nevertheless sufficient stability it may be provided with steps.
  • the configuration of the receptacle 11, the chamber 15 and the housing 19 is preferably as shown in figure 3, which means that the chamber 15 is situated between the receptacle 11 and the housing 19, that the valve 18 is arranged in the wall 26 between the receptacle 11 and the chamber 15 and that the diaphragm 20 is situated opposite to the wall 26 wherein the valve 18 is arranged.
  • the product 9 is preferably formed by a ring-shaped block of compressed salt, which is positioned around the valve body 22.
  • valve body 22 assumes a position as shown in figure 5, because the diaphragm 20 bulges upward. By this, the passage 12 is closed and the first product 8 cannot leave the receptacle 11.
  • a pressure can be applied which, for example, is somewhat higher than the normal dispensing pressure. This pressure effects onto the diaphragm 20, by which the valve body 22 shifts up to the position shown in figure 6.
  • a pressure is also built up in the space 27 of the receptacle 11. After a while, the pressures in the container 3 and in the space 27 equal each other.
  • pre ⁇ ure pa ⁇ sage means of another type can be applied.
  • the wall 25 is not permeable for gas and, as sche atic- ally shown in figure 3, a return valve 28 is applied allowing that the gas 10 from the container 3 can flow into the receptacle 11 when the pressure in the container 3 is higher than the pressure in the receptacle 11.
  • the elastic element 21 consists of a ring-shaped block from elastically compressible material, for example, foam plastic or rubber.
  • no elastic element 21 will be used, and the reactive force is only delivered by the the own elasticity of the diaphragm 20 and the gas pressure exerted thereon.
  • Figure 8 also shows that the valve body 22 may be fixed to the diaphragm 20, in this case by clamping in a seat 29 in the center of the diaphragm.
  • each of the outlet openings 16 can be provided with a return valve 30.
  • This may consist of an elastic band which is stretched over the outlet openings with very little tensioning force, such as, for example, the shown O-ring 31.
  • the generated gas 10 can escape, the products 4 and 9 , however, can not come into direct contact with each other which can be desirable in certain applications. In this manner, the product 9 also cannot spread itself in the container 3, for example, by solution in product 4. Hereby, the not yet reacted product 9 remains in the proximity of the passage 12 so that the release of a quantity of product 8 always results in an immediate generation of gas.
  • Such a return valve can also consist of a very small opening or a porous part in the wall of chamber 15, whereby this opening of this porous part allow that gas 10 can leave the chamber 15, but no liquid can penetrate in the opposite direction.
  • the second product 9 consists of a composition of components which, in undissolved condition, do not react with each other, in dissolved condition, however, will react with each other, whereas the first product 8 is formed by a dissolvent, for example water, with which one or both of the aforementioned components can be dissolved.
  • the device 1 shows a similar construction as the embodiment from figure 8. Conforming parts, then, are indicated with the same references.
  • the receptacle 11 is now filled with a liquid acid, it is now filled with a dissolvent, preferably water.
  • the product 9 preferably consists of a mixture of dry components which will react with each other when being dissolved in a liquid, more particularly in the product 8. More particularly is preferred that these components are compressed to a single block or similar.
  • the components can consist of a salt, on one hand, and an acid in dry condition, for example in the shape of grains and/or powder, on the other hand.
  • the device 1 from figure 8 is, analogous to the embodiments from figures 3 to 8, provided with a valve 18 which is controlled by means of a pressure-reactive element 17.
  • the pressure-reactive element 17, in this case, is formed by a compressible housing 19 which is not connected to the chamber 15 and consists of two metal diaphragmas 32- 33 which enclose a space 34 and are welded together by their edges.
  • valve 18 is shown the design of which differs from the one shown in figure 3.
  • the valve 18 shows a needle-shaped valve body
  • the closing members 35-36 consist of enlargements in the valve body 22 , whereas the valve seats 37-38 are formed by the edges, situated at opposite sides of the wall 26, of the passage 12 provided in this wall 26. Between the closing members 35- 36, recesses 39 can be provided in the valve body 22 in order to render the passage of liquid in the open position of the valve more easily.
  • valve body 22 is loaded by means of an elastic element, such as a bow 40, which provides for that the valve body 22 does not get off the pressure-reactive element 17.
  • the device 1 is subject to atmosperic conditions.
  • the pressure delivered by element 17, hereby, is such that the valve body 22 is pushed upward and a sealing of the passage 12 is obtained because the closing member 36 becomes situated against the valve seat 38.
  • FIG 12 a variant is shown whereby the passage 12 partially is formed by a hollow 42 in the valve body 22.
  • This hollow 42 gives out into the receptacle 11.
  • a radial opening 44 is provided which, by the movement of the valve body 22, is either situated opposite to a wall part 45 or opposite to a wall part 46 or opposite to an opening 47 giving out into chamber 15, whereby a sealing is obtained in the first two cases.
  • the functioning of the embodiment from figure 12 can be compared to the one from figure 9.
  • FIG. 13 to 16 a form of embodiment is represented with which a single generation of gas is provided.
  • This device which can be called a "One Shot" gas generator, provides for that after half of the lifetime of a spray can, the pressure in this spray can is increased again.
  • the pressure in the spray can thus, is not constant, but due to the fact that a pressure-reactive movable element, such as a valve, is used, the advantage is obtained that the moment in which the gas will be generated additionally, can be defined very precisely in function of the pressure in the spray can, which is not the case with the known devices using a pouch with compartments whereby the partition walls are broken down by destructing them.
  • the device 1 uses a motion system 48 which is basically formed by a wall part 49 in the shape of a diaphragm which delimits the chamber 15 and, by means of a well-defined pressure difference, can switch from position A to B and vice versa.
  • a motion system 48 which is basically formed by a wall part 49 in the shape of a diaphragm which delimits the chamber 15 and, by means of a well-defined pressure difference, can switch from position A to B and vice versa.
  • the motion system 48 cooperates with a movable element with which the passage 12 can be closed off, respectively opened, which, in this case, consists of a closing element, such as a valve 50.
  • This valve 50 shows a closing portion 51 which can be drawn downward out of the passage 12, but which, however, by means of an abat ent portion 52, is prevented from slipping out of the passage 12.
  • coupling means 53 are provided which allow for coupling the wall portion 49 to the valve 50.
  • These coupling means 53 consist in the represented example of a snap-on coupling with hook-shaped coupling parts 54 which can engage behind a coupling part 55.
  • valve body 22 may occur, for example, up to the position which is represented in figure 15.
  • valve 50 takes a position as represented in figure 16.
  • FIGS 17 and 18 a variant is shown whereby the passage 12 is provided with a closure 57 which can be pushed away by means of a movable element 56.
  • This closure 57 consists of a closing plate 58 which is clamped in a seat 59.
  • the movable element 56 consists of a valve stem with an extremity 60 with which the passage 12 can be closed off.
  • the lower extremity 61 of the valve stem cooperates with a pop-over system 62 with a bent wall portion 63 which can, surpassing a dead point, be popped over towards the inside, respectively outside.
  • valve stem is positioned centrally by means of a recess 64 in the extremity 61 which cooperates with a deformation 65 in the wall portion 63, as well as by means of an elastically bendable flange 66 which is present around the valve stem and reaches up to the circumference of chamber 15.
  • This elastic flange 66 simultaneously exerts a reversing force upon the valve ste when this latter is pushed into the direction of passage 12.
  • the device In an atmospheric environment, the device is in a condition as represented in figure 17.
  • dissolvent for example water
  • dissolvent flows from the receptacle 11 through the passage 12 and through openings 67 which are provided in the flange 66.
  • this dissolvent comes into contact with the components of product 9, as a result of which these, as aforementioned, will react to a gas. They react until all of product 8 or 9 is used up.
  • a pressure increase is created in chamber 15 and container 3, as a result of which a second load of pressure gas becomes available.
  • FIG. 19 to 21 another variant is represented, whereby use is made of a movable element, more particularly a valve 68 with a hollow valve stem 69 with, on one hand, an inlet 70 which can cooperate with the wall 26, and an outlet 71 which ends up into chamber 15 and which can be closed off by means of a movable wall portion 63 which is executed analogous to wall portion 63 in the embodiment from figures 17 and 18.
  • a movable element more particularly a valve 68 with a hollow valve stem 69 with, on one hand, an inlet 70 which can cooperate with the wall 26, and an outlet 71 which ends up into chamber 15 and which can be closed off by means of a movable wall portion 63 which is executed analogous to wall portion 63 in the embodiment from figures 17 and 18.
  • this device 1 is in a condition as represented in figure 19.
  • the wall portion 63 pops back into the position of figure 19, as a result of which the liquid of receptacle 11 can flow, via the valve stem 69, into chamber 15, with the result that gas is created.
  • a movable element consisting of a pressure-reactive valve which provides for that the passage 12 is opened at a well-defined pressure decrease and subsequently remains open
  • a movable element which, by its movement, forms a passage not present up to then.
  • a needle or similar is intended which makes a perforation between receptacle 11 and chamber 15.
  • the complete device 1 can be put into a gas-tight extendable pouch before installation in container 3. In this manner, any contact between, on one hand, the product 4 and, on the other hand, the products 8 and 9 and the gas 10 can be excluded.
  • the compact design of the device 1, with only one quantity of product 8 and one quantity of product 9, offers the advantage that with a relatively small device 1, however, a large quantity of gas can be produced, compared to the known embodiments whereby the products are arranged in several compartments.
  • the invention is especially suited for applications whereby the gas 10 is not only used to exert a pressure upon the product 4, but also has to mix with the product 4 to be dispensed, for example for causing a foam formation in the case of a product to be foamed.
  • the device 1 will contain such a quantity of products 8-9 to be reacted that the generated gas 10 can as well provide for the dispensation of the product 4 as for provision of the foaming effect.
  • the aforementioned device 1 can as well be arranged loosely in container 3 as mounted fixedly herein.
  • the device 1 is not only intended for the application in classic spray cans but can be applied in all kinds of dispensing containers whereby the product to be dosed is expelled under pressure.
  • the present invention is in no way limited to the forms of embodiment described by way of example and represented in the figures, but the aforementioned method and device can be realized according to different variants without leaving the scope of the invention.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un procédé pour générer une pression dans une bombe à aérosol et similaire, où au moins deux produits (8-9) sont amenés en contact mutuel et, ce faisant, produisent un gaz générant une pression. Le procédé a ceci de particulier, que les produits (8-9) sont amenés en contact mutuel par un passage (12), dans lequel le débit est commandé au moyen d'un élément mobile (18-50-56-68), ce dernier étant, à son tour, commandé par la pression de gaz régnant autour du dispositif.
PCT/BE1997/000039 1996-04-02 1997-04-01 Procede et dispositif pour le maintien et la generation d'une pression dans un distributeur de produit WO1997036801A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU22819/97A AU2281997A (en) 1996-04-02 1997-04-01 Method and apparatus for maintaining and generating a pressure within a roduct dispenser
EP97915206A EP0892747A2 (fr) 1996-04-02 1997-04-01 Procede et dispositif pour le maintien et la generation d'une pression dans un distributeur de produit
JP9534755A JP2000507530A (ja) 1996-04-02 1997-04-01 製剤のディスペンサー内に圧力を発生させて保持する方法と装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE9600282A BE1010131A3 (nl) 1996-04-02 1996-04-02 Werkwijze en inrichting voor het genereren van druk in een spuitbus en dergelijke, en spuitbus die met zulke inrichting is uitgerust.
BE9600282 1996-04-02
BE9600778A BE1010074A6 (nl) 1996-04-02 1996-09-17 Werkwijze en inrichting voor het genereren van druk in een spuitbus en dergelijke, en spuitbus die met zulke inrichting is uitgerust.
BE9600778 1996-09-17

Publications (2)

Publication Number Publication Date
WO1997036801A2 true WO1997036801A2 (fr) 1997-10-09
WO1997036801A3 WO1997036801A3 (fr) 1997-12-04

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PCT/BE1997/000039 WO1997036801A2 (fr) 1996-04-02 1997-04-01 Procede et dispositif pour le maintien et la generation d'une pression dans un distributeur de produit

Country Status (6)

Country Link
EP (1) EP0892747A2 (fr)
JP (1) JP2000507530A (fr)
AU (1) AU2281997A (fr)
BE (1) BE1010074A6 (fr)
CA (1) CA2250752A1 (fr)
WO (1) WO1997036801A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0930095A1 (fr) * 1998-01-16 1999-07-21 The Procter & Gamble Company Dispositif pour la génération de gaz avec une chambre inondable
EP0994042A1 (fr) * 1998-03-03 2000-04-19 Osaka Shipbuilding Co., Ltd. Produit d'aerosol et procede de fabrication de celui-ci
EP1871689A1 (fr) * 2005-04-08 2008-01-02 Multi-Vet Ltd. Diffuseur d'aerosol a effet venturi utilisant un agent propulseur a base de reactif
GB2544113A (en) * 2015-11-09 2017-05-10 Aer Beatha Ltd Canister
BE1024585B1 (nl) * 2017-04-03 2018-04-12 Gojara Bvba Drukverpakking met drukregelinrichting in de bodem
CN115504103A (zh) * 2022-10-19 2022-12-23 广州市展惟工业科技有限公司 一种高安全性的自增压喷雾存储装置

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
AUPP211298A0 (en) * 1998-03-03 1998-03-26 Dinco Trading Pty Ltd Pressure regulating device for pressurised vessel
JP7295855B2 (ja) * 2017-11-27 2023-06-21 シーカ テクノロジー アクチェンゲゼルシャフト ２成分型加圧缶
AU2018373926B2 (en) * 2017-11-27 2024-03-14 Sika Technology Ag Two-component pressurized can

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US3178075A (en) * 1964-03-19 1965-04-13 George M Riedl Pressurized container
EP0439287A1 (fr) * 1990-01-26 1991-07-31 Ccl Industries Inc. Méthode et dispositif pour maintenir une pression à l'intérieur d'un dispensateur
EP0446973A1 (fr) * 1990-02-09 1991-09-18 Jaico C.V. Cooperatieve Vennootschap Capsule pressurisée pour bombe aérosole
FR2689866A1 (fr) * 1992-04-09 1993-10-15 Oreal Procédé pour réaliser un mélange extemporane d'au moins deux composants, liquides ou pâteux, et bidon pressurisé pour mettre en Óoeuvre un tel procédé.
FR2690142A1 (fr) * 1992-04-17 1993-10-22 Oreal Récipient pressurisé, en particulier boîtier aérosol, pour la distribution sous pression d'un composant liquide ou pâteux.
WO1996037245A1 (fr) * 1995-05-22 1996-11-28 Elan Medical Technologies Limited Dispositif d'alimentation en liquide a regulation par retroaction

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Publication number Priority date Publication date Assignee Title
US3178075A (en) * 1964-03-19 1965-04-13 George M Riedl Pressurized container
EP0439287A1 (fr) * 1990-01-26 1991-07-31 Ccl Industries Inc. Méthode et dispositif pour maintenir une pression à l'intérieur d'un dispensateur
EP0446973A1 (fr) * 1990-02-09 1991-09-18 Jaico C.V. Cooperatieve Vennootschap Capsule pressurisée pour bombe aérosole
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FR2690142A1 (fr) * 1992-04-17 1993-10-22 Oreal Récipient pressurisé, en particulier boîtier aérosol, pour la distribution sous pression d'un composant liquide ou pâteux.
WO1996037245A1 (fr) * 1995-05-22 1996-11-28 Elan Medical Technologies Limited Dispositif d'alimentation en liquide a regulation par retroaction

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EP0930095A1 (fr) * 1998-01-16 1999-07-21 The Procter & Gamble Company Dispositif pour la génération de gaz avec une chambre inondable
WO1999036169A1 (fr) * 1998-01-16 1999-07-22 The Procter & Gamble Company Generateur de gaz muni d'un sas
EP0994042A1 (fr) * 1998-03-03 2000-04-19 Osaka Shipbuilding Co., Ltd. Produit d'aerosol et procede de fabrication de celui-ci
EP0994042A4 (fr) * 1998-03-03 2006-09-20 Osaka Shipbuilding Produit d'aerosol et procede de fabrication de celui-ci
EP1871689A1 (fr) * 2005-04-08 2008-01-02 Multi-Vet Ltd. Diffuseur d'aerosol a effet venturi utilisant un agent propulseur a base de reactif
EP1871689A4 (fr) * 2005-04-08 2008-10-15 Multi Vet Ltd Diffuseur d'aerosol a effet venturi utilisant un agent propulseur a base de reactif
GB2544113A (en) * 2015-11-09 2017-05-10 Aer Beatha Ltd Canister
GB2544113B (en) * 2015-11-09 2018-05-23 Aer Beatha Ltd Canister
US10543975B2 (en) 2015-11-09 2020-01-28 Aer Beatha Limited Canister and valve
BE1024585B1 (nl) * 2017-04-03 2018-04-12 Gojara Bvba Drukverpakking met drukregelinrichting in de bodem
CN115504103A (zh) * 2022-10-19 2022-12-23 广州市展惟工业科技有限公司 一种高安全性的自增压喷雾存储装置
CN115504103B (zh) * 2022-10-19 2024-05-14 广州市展惟工业科技有限公司 一种高安全性的自增压喷雾存储装置

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CA2250752A1 (fr) 1997-10-09
JP2000507530A (ja) 2000-06-20
EP0892747A2 (fr) 1999-01-27
BE1010074A6 (nl) 1997-12-02
AU2281997A (en) 1997-10-22
WO1997036801A3 (fr) 1997-12-04

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