EP0778225A2 - Aerosol-Behälter für Proben - Google Patents

Aerosol-Behälter für Proben Download PDF

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Publication number
EP0778225A2
EP0778225A2 EP96402219A EP96402219A EP0778225A2 EP 0778225 A2 EP0778225 A2 EP 0778225A2 EP 96402219 A EP96402219 A EP 96402219A EP 96402219 A EP96402219 A EP 96402219A EP 0778225 A2 EP0778225 A2 EP 0778225A2
Authority
EP
European Patent Office
Prior art keywords
cup
valve
valve body
container
container according
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
EP96402219A
Other languages
English (en)
French (fr)
Other versions
EP0778225B1 (de
EP0778225A3 (de
Inventor
Vincent De Laforcade
Franck Lacout
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.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9513412A external-priority patent/FR2741047B1/fr
Priority claimed from FR9605918A external-priority patent/FR2741048B1/fr
Priority claimed from FR9609651A external-priority patent/FR2748460A1/fr
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0778225A2 publication Critical patent/EP0778225A2/de
Publication of EP0778225A3 publication Critical patent/EP0778225A3/de
Application granted granted Critical
Publication of EP0778225B1 publication Critical patent/EP0778225B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • 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
    • B65D83/64—Contents and propellant separated by piston
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0217—Containers with a closure presenting stacking elements
    • B65D21/0223—Containers with a closure presenting stacking elements the closure and the bottom presenting local co-operating elements, e.g. projections and recesses
    • 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
    • B65D83/38—Details of the container body

Definitions

  • the invention relates to a new pressurized container, the body of which consists of the assembly of a valve body and a valve holder cup.
  • a pressurized container In the case of products distributed in a pressurized container, while it is easy to prepare small packagings which respect the original formula, the economic criterion which the sample must satisfy is currently not respected. Indeed, a pressurized container, even a small one, requires, to function, a certain number of essential elements, which are the container body, that is to say a tin can or aluminum, on the walls from which a varnish is deposited and on the neck of which is crimped a valve, by means of a valve-holder cup, as well as a distribution means connected to the valve.
  • the technique for manufacturing pressurized cans does not make it possible to make cans small enough to correspond to the volume of a test dose, ie 3.5 ml to 8 ml approximately.
  • the work of crimping the metal crimping the valve holder cup, on the container body, on the one hand, and around the valve, on the other hand
  • This manufacturing constraint therefore conditions the size of the valve holder cup and therefore the volume of the container, which is necessarily greater than a dose of use.
  • the invention also relates to a new pressurized device for the distribution of liquid or creamy products, such as for example cosmetic, food, pharmaceutical products.
  • a pressurized device consists of a container body, on which possibly fits a cover; on the neck of this container is crimped a valve via a valve holder cup, a distribution means connected to the valve is provided; the container body and the cup define a reservoir cavity; the valve consists of a valve body, a valve control rod which passes through the valve body, a seal and a return system which presses the valve control rod against the seal, l 'assembly being held in place by crimping the valve holder cup; the valve control rod is surmounted by a push button.
  • the container body In the container body are arranged a product to be dispensed and a means of propulsion.
  • the means of propulsion can be a compressed gas directly in contact with the product in the container body.
  • a plunger member is attached to the valve.
  • flexible bag we are often faced with problems of compatibility with the formula and the solidity of the material constituting the bag, which must be flexible and waterproof at the same time. If a piston is used to separate the gas from the product, there are sealing problems along the contact surfaces between the piston and the inner wall of the container body.
  • the gas filling orifice must be distinct from that of the formula: the filling of the gas is often done by an orifice located at the bottom of the container, closed by a rubber stopper.
  • This configuration requires rework during manufacture: opening the gas filling orifice, fitting the pocket or the piston, fitting the plug. It is also expensive because of the complexity of the filling process: filling of the product and then of the gas.
  • document EP-A-561292 discloses dispensing devices using as a means of propulsion a cellular material with closed cells. A gas is trapped in the cells of the cellular material.
  • This document describes devices in which the product is placed in a flexible bottle, inside the container body. The cellular material is placed in this container body in contact with and outside the flexible bottle. The foam material is connected to a thumb wheel. Before actuating the valve via a push button, the user must store energy in the cellular material by actuation of the wheel. The gas contained in the cellular material is then put under mechanical pressure and transmits this pressure to the bottle and its contents: by actuation of the valve the product can then be dispensed.
  • this device has several drawbacks: this device has a high number of parts; these parts require very fine adjustment (no screws, tightness) and are sophisticated, therefore this device is very expensive.
  • the energy storage by mechanical compression of the cellular material is done in small quantities: the user must turn the dial to store the energy corresponding to about a dose of use before actuating the push button. The need for this double action makes the device complex and unattractive to the busy consumer.
  • the bottle in which the product is contained has the shape of a bellows, also, even if it is compressed to the maximum under the action of the cellular material, this bottle cannot be emptied completely and a low rate of return is obtained.
  • the first object of the invention is a pressurized container comprising a cup, a valve provided with a valve body, a valve control rod surmounted by a push button possibly including a diffusion means, a seal. and a return system, the cup and the valve body cooperating with each other to form, on the one hand, a reservoir cavity capable of containing a product to be dispensed and a propellant element, on the other hand, a valve cavity , a passage being arranged between the reservoir cavity and the valve cavity.
  • the cup and the valve body cooperate in leaktight manner at their ends to form the body of the container.
  • the cup and the valve body comprise complementary hooking elements, for example means capable of snap-fastening or complementary profiles which, once assembled, are welded together by any means known to those skilled in the art. trade, such as, for example, rotary welding or gluing.
  • the hooking elements can also consist of complementary threads, so that the valve body and the cup can be tightly screwed onto one another.
  • valve body which has, on its circumference, said hooking elements and a cup comprising an outer skirt, which has, at its end, said hooking elements complementary to those of the body valve, this cooperation defining the body of the container.
  • a cup which has, on its circumference, hooking elements and a valve body comprising an outer skirt, which has, at its end, hooking elements complementary to those of the cup.
  • a cup and a valve body each comprising an outer skirt, the two skirts comprising complementary fastening elements.
  • the valve body and the cup cooperate with each other to define a valve cavity inside the container.
  • the valve body and possibly the cup each comprise an inner skirt.
  • the internal skirts of the valve body and of the cup fit into one another over all or part of their height to delimit the cavity of the valve.
  • the internal diameter of the internal skirt of the cup is substantially equal to the external diameter of the internal skirt of the valve body.
  • the upper surface of the inner skirt of the valve body advantageously presses on the seal by pressing it against the rim of the cup, which encircles the passage of the valve control rod. The valve is then sealed.
  • a passage is arranged between the reservoir cavity and the valve cavity.
  • the internal skirts of the cup and of the valve body each have at least one notch, these notches being associated with a circular chamfer of one or the other of the skirts, along the periphery of the contact surface. between the skirts and possibly to a groove over the entire height of the contact surface between the skirts, all of these cutouts (groove, chamfer, notches) defining said passage of the product, and possibly of gas, between the reservoir cavity and the valve cavity.
  • the containers according to the invention make it possible to distribute all kinds of products: lotions, creams, foams, milks ...
  • the container according to the invention so that the gas and the product are separated or, in the second case, mixed in a single reservoir cavity.
  • a reservoir cavity consisting of two sealed cavities, one containing the product, the other the gas, the wall separating these two cavities being capable of transmitting the pressure gas from one cavity to another.
  • the wall between the two cavities can be rigid, such as a piston, or flexible, such as a flexible pocket, a bellows or an element of cellular material.
  • the valve body and the cup are made of thermoplastic material.
  • These two elements can be made of the same material or of two different chemically compatible materials in order to be able to be welded together or of two chemically incompatible materials, assembled by screwing, gluing or snap-fastening.
  • the materials which can be used in the present invention there may be mentioned, for example, the family of polyolefins, such as polypropylene, polyethylene and copolymers of ethylene and propylene, the family of polyacetals, such as polyoxyethylene; polyethylene terephthalate, polymethyl methacrylate can also be used, the polymer used in the invention may contain fillers such as, for example, silica, glass fibers, carbon fibers.
  • fillers such as, for example, silica, glass fibers, carbon fibers.
  • the thickness of the walls of the cup and of the valve holder, and in particular of the skirts, are adapted by a person skilled in the art to resist the pressure of the propellant gas.
  • valve control rod can be of any type known to a person skilled in the art, such as for example an emerging rod, a female rod, whether it is with axial displacement or with lateral displacement, the latter type of valve being also called "Tilt".
  • the return means may in a known manner be a spring or any compressible or elastically deformable material which can be housed in the valve cavity.
  • the cup may include a circular groove.
  • This groove makes it possible to use a push button of standard format which is positioned in said groove.
  • this groove gives more resistance to the cup.
  • the containers according to the invention are particularly advantageous when they are produced in the form of aerosol containers for sampling from one to a few doses of use of a product, because they compensate for an absence of this type of packaging satisfying the economic requirements of market.
  • their use is in no way limited to the distribution of samples: the containers according to the invention can be produced in formats of all sizes, for which the person skilled in the art knows how to adapt the nature and the thickness of the material in order to give the container the necessary resistance.
  • the invention also relates to a set of pressurized containers comprising several containers as described above, each container having a cavity in the bottom of its valve body and a complementary cylindrical stud located on the cover of this container.
  • This stud and this cavity make it possible to join together at least two containers by fitting the stud of the first into the cavity of the second.
  • the second object of the invention is new pressurized devices for dispensing a product comprising a reservoir cavity, a valve placed at the top of the reservoir cavity, a distribution means connected to the valve and a pressurization means, characterized in that that the pressurizing means consists of an element of closed cell foam material, the element of foam material and the product are placed in the reservoir cavity and subjected to a permanent and uniform pressure, so that the device distributes the product when the valve is actuated.
  • uniform pressure is meant that the pressure is identical at all points in the reservoir cavity at a given time.
  • Such a device makes it possible to avoid mixing of the gas with the product to be dispensed and to avoid gas leaks.
  • the duration of use of the device is extended.
  • the pressure inside the device can be adapted to the viscosity of the product to be dispensed.
  • Such a device makes it possible to pressurize a product, without risk of pollution of the product by gas and without pollution of the atmosphere.
  • this device has only a small number of mechanical parts in common use and its manufacture is simple, it is therefore inexpensive. Its use is simple. The device is not very fragile and does not involve any risk of the cells bursting due to clumsy use.
  • the means of compression is retained inside the device after complete return of the product, this device can therefore be reused several times provided that it is recharged with product. Such a device thus makes it possible to save on the cost of the packaging and its possible reprocessing.
  • a foam material usable in the present invention consists of a multitude of cells filled with gases included in a deformable matrix, such as for example a polyolefin foam, elastomer or any other type of thermoplastic material, rubber foam, Buna , Neoprene, silicone or any other material.
  • the gas can be any gas that can be compressed or liquefied at working pressures, such as for example nitrogen, or it can simply be air.
  • the cells When the alveolar material is compressed, the cells are also compressed, they thus store a reserve of energy to pressurize the product. When the valve of the pressurized device is actuated, the cells expand and the product is returned.
  • the gas present in the cells is retained there and cannot escape from it. This avoids the problems of leaks and mixing with the product.
  • the cells of the cellular material are never subjected to mechanical pressure, but to hydraulic pressure: inside the device, the element of cellular material is in direct contact of the product which is subjected to the same pressure as the gas. There is therefore no risk of cells bursting. This element of cellular material can therefore be used a very large number of times.
  • the element of cellular material used as a means of pressurization in the devices according to the invention is advantageously of shape complementary to that of the reservoir cavity, and preferably, of generally cylindrical shape.
  • the element of cellular material used in the present invention can be manufactured in a known manner by extrusion or by cutting from a block of closed cell cellular material. To cut a cylinder of cellular material, it is necessary to compress it before cutting. By this process, after cutting and decompression, an element of cellular material with slightly concave lateral contours, as described in EP-A-561292. When such an element is placed in a device according to the invention, the product is housed between the concavity and the walls of the container. A slightly lower restitution rate is therefore obtained than that which can be obtained with a cylinder with perfectly straight contours.
  • a cylinder of cut honeycomb material has cells open around its edges, while an extruded cylinder does not. Consequently, it is preferred to use a cylinder of cellular material obtained by extrusion.
  • the devices according to the invention make it possible to distribute all kinds of products in the form of solution, emulsion, gel: lotions, creams, self-foaming compositions, milks, gels.
  • the element of cellular material is of larger dimensions (height, diameter) than those of the reservoir cavity so that when the reservoir cavity is closed, a precompression of the element of cellular material is obtained in order to still have energy available when there is little product left in the device.
  • the invention relates to pressurized devices for dispensing a product comprising a container body, the container body defining the reservoir cavity, a valve comprising a valve body separate from the body container, a dispensing means connected to the valve and a pressurizing means, characterized in that the pressurizing means consists of an element of closed cell foam material, the element of foam material and the product are placed in the reservoir cavity and subjected to a permanent and uniform pressure, so that the device distributes the product when the valve is actuated.
  • the valve can be crimped to the neck of the container in a known manner by means of a valve-carrying cup, the container body and the cup defining the reservoir cavity.
  • the device according to the invention is provided with a valve made of elastomeric material comprising latching means able to cooperate with the neck of the container body as described in French patent application n ° 95-14175 .
  • the device according to this embodiment is provided with a push button connected to the valve.
  • This push-button may include a diffusion means, chosen for example from a nozzle, a grid, a porous dome.
  • the device according to this embodiment may include a dip tube connected to the valve body.
  • a pressurized container as described above, comprising a cup, a valve provided with a valve body, a valve control rod possibly surmounted by a push button possibly comprising a diffusion means, a seal and a return system, the cup and the valve body cooperating with each other to form, on the one hand, a reservoir cavity capable of containing a product to be dispensed and a means propulsion, on the other hand a valve cavity, a passage being arranged between the reservoir cavity and the valve cavity, the propelling means consisting of an element of cellular material.
  • the valve body crosses the reservoir cavity over its entire height and constitutes a plunger member.
  • the piece of cellular material has over its entire height a central cylindrical orifice in which is housed the plunger member.
  • the device does not include a plunger member
  • a central orifice in the element of cellular material when the device is mounted, the element of cellular material is introduced into the reservoir cavity.
  • the element of cellular material is usually of a height greater than or equal to the height of the reservoir cavity.
  • the valve When the valve is placed at the top of the reservoir cavity, for example when the valve is crimped at the top of the container body, the walls of which define the reservoir cavity, using a valve holder cup, the valve exerts mechanical compression on the top of the element of cellular material. The cells subjected to compression burst, the element of cellular material is deformed in its upper part. Product can then be lodged in this deformation. Gas is diffused in the reservoir cavity and will mix with the product.
  • a central orifice can be provided in the element of cellular material, into which the valve can be introduced even when the device does not include a plunger member.
  • Figure 1 is a longitudinal sectional view of a pressurized container according to the invention.
  • the cutting plane is chosen to visualize the passage between the cavities.
  • FIGS. 2 and 3 are views in longitudinal section of aerosol cans according to the invention comprising means of distribution different from that of FIG. 1.
  • Figure 4 is a longitudinal sectional view of another embodiment of a pressurized container according to the invention, provided with a female valve.
  • Figures 5 and 6 are views in longitudinal section of aerosol cans according to the invention, the reservoir cavity is divided in two by a piston.
  • Figure 7 is a longitudinal sectional view of a pressurized container according to the invention, the reservoir cavity is divided in two by a pocket mounted on a coil.
  • FIGS. 8A to 8C are views in longitudinal section of a pressurized container according to the invention, the reservoir cavity of which comprises a ring of cellular foam.
  • FIGS. 9A and 9B are views in longitudinal section of an alternative embodiment of a pressurized container according to the invention and an assembly of pressurized containers, according to this variant, assembled.
  • the push-buttons are not shown, in order to facilitate understanding of these figures.
  • FIGS. 10A and 10B show, in longitudinal section, a pressurized device according to a variant of the invention comprising a cylinder of alveolar material with closed cells as a means of propulsion, this device being provided with a plunger member.
  • FIGS. 11A and 12A represent a cylinder of cellular material used in the present invention, in cross section, before its introduction into the reservoir cavity.
  • Figures 11B, 11C, 12B and 12C show two variants of the pressurized device according to the invention in cross section.
  • Figures 11B and 11C are cross sections along the plane II-II of the device shown in Figures 10A and 10B respectively.
  • a pressurized container according to Figure 1 of generally cylindrical shape, consists of a cover 1 slammed on a cup 3.1. This cup cooperates with the valve body 3.2 to form, on the one hand, an annular cavity 3.3, containing the product 3.7 and the propellant gas, and on the other hand, the cavity of the valve 3.9. Inside it are: an emerging valve control rod 3.4, a gasket 3.5 and a spring 3.6, which together with the valve body constitute the valve itself.
  • the emerging rod 3.4 includes an outlet orifice 3.4.1 and cooperates with a push button 2.
  • the seal 3.5 is an independent part of the cup 3.1, but according to a variant of the invention, the seal can be a part secured to the upper plate 3.1.6 of the cup, made by bi-injection of a elastomeric material during the manufacture of the cup, with the same positioning as the independent seal 3.5.
  • the push-button consists of a nozzle 2.1 and a central channel 2.2 comprising a radial part 2.2.1 and an axial part 2.2.2, the nozzle 2.1 being mounted at the end of the radial part, the emerging rod 3.4 positioned in the axial part of the channel.
  • the skirt 2.3, external, cylindrical, of the push button 2 is bent and enters a circular groove 3.1.2 of the upper plate 3.1.6 of the cup 3.1.
  • the cup 3.1 has, among other things, in the center of its upper plate 3.1.6, an orifice 3.1.3, through which the emerging rod 3.4 passes, an external skirt 3.1.4 and an internal skirt 3.1.5, coaxial, the plate 3.1.6 being substantially oriented perpendicular to these skirts.
  • one or more ribs 3.1.4.2 can be added to the internal face of the outer skirt 3.1.4 in order to strengthen the resistance of the walls 3.1.4 to internal pressure.
  • the outer skirt 3.1.4 has, in its lower part, a profile 3.1.4.1, here in the form of a chamfer, suitable for accommodating an additional profile 3.2.1, also chamfered, coming from the body 3.2 of the valve; these two profiles are welded.
  • the bottom of the valve body 3.2 has a rounded annular profile 3.2.3 and a cylindrical cavity 3.2.4.
  • the cavity of the valve 3.9 is advantageously chosen with a height suitable for allowing the accommodation of a spring 3.6 of standard format.
  • the cavity 3.2.4 is complementary to the cavity 3.9 of the valve, it corresponds to the difference in height between the cavity 3.3 and the cavity 3.9 of the valve.
  • cylindrical cavity 3.2.4 can come to fit a complementary cylindrical stud located on the cover 1 of a second container according to the invention in order to secure at least two containers between them (see FIGS. 9A and 9B).
  • a possibility of assembling the containers according to the invention is particularly judicious, because it facilitates the storage and the handling of these containers and allows them to be stored, in luggage for example, occupying a minimum of space and without risking scatter them.
  • the containers can contain the same product or products of different natures
  • the inner skirt 3.1.5 of the cup has an internal diameter corresponding substantially to that of the seal 3.5 and a height substantially identical to that of the cavity 3.3.
  • the lower surface 3.1.5.4 of the inner skirt of the cup is welded to the bottom of the valve body. This weld gives greater resistance to the entire container, in particular better resistance to gas pressure. This welding can be carried out by any means known to those skilled in the art, such as, for example, ultrasonic, mirror welding, rotational welding, gluing.
  • On the internal periphery of the skirt 3.1.5 is located a chamfer 3.1.5.2.
  • a notch 3.1.5.3 is also provided in the internal periphery of the bottom of the skirt 3.1.5; this notch breaks the continuity of the weld between the internal skirt and the valve body.
  • Profile 3.2.3 is designed so that the bottom of the valve body has a concavity turned towards the inside of the cavity 3.3. Thus, when little product remains, it is placed around the internal skirt of the valve body and can be dispensed. This profile allows better depletion of the product compared to a container which would be provided with a flat bottom. Such a profile also gives greater resistance to pressure to the entire container.
  • the valve body 3.2 has on its circumference a profile 3.2.1 complementary to that already described 3.1.4.1; this profile allows centering of the valve body and the cup during assembly and is welded to part 3.1.4.1 of the cup.
  • the profiles 3.2.1 and 3.1.4.1 respectively of the valve body and the cup, may have complementary threads, so that the valve body and the cup are screwed in. one over the other.
  • the two profiles 3.2.1 and 3.1.4.1 can also be designed so that they snap onto each other.
  • the valve body has an internal skirt 3.2.2 whose external diameter is substantially equal to the internal diameter of the internal skirt 3.1.5 of the cup and these two elements are welded. On the upper edge of this skirt 3.2.2 is placed a sealing ring 3.2.2.1.
  • this skirt 3.2.2 On the external lateral face of this skirt 3.2.2, over its entire height is provided a groove 3.2.2.2 and on the upper edge of this skirt is located a notch 3.2.2.3. According to a variant of the invention, the groove 3.2.2.2 can also be cut out from the inner face of the inner skirt of the cup.
  • the pressurized container is then filled through the valve: by pressing on the emerging rod 3.4, the orifice 3.4.1 emerges from the seal, the product, under pressure, fills the first cavity 3.9 defined by the inner skirt of the valve body , through the notch 3.2.2.3, descends along the groove 3.2.2.2 by the chamfer 3.1.5.2 then by the notch 3.1.5.3 and fills the cavity 3.3.
  • the push button and the cover are then mounted on the emerging rod and on the cup respectively.
  • the product When the push button is pressed, the product follows the reverse path to that described for filling the container and is sprayed on passing through the nozzle 2.1.
  • This container is designed for head-up use.
  • notch 3.1.5.3 provision can be made for the notch 3.1.5.3 to be placed at the same level as the notch 3.2.2.3., The chamfer 3.1.5.2 also being located at the upper edge of the inner skirt of the body. valve. According to this variant, no groove is provided for 3.2.2.2. in the skirt 3.2.2. internal of the valve body. Such a container is used upside down.
  • the container according to Figure 1 is intended for the distribution of hairspray, hair lotion, perfume.
  • the container shown in Figure 2 differs from that shown in Figure 1 by the presence of a grid 202.1.1, at the outlet of the radial channel 202.2.1 belonging to the push button 202, in place of the nozzle 2.1 of Figure 1.
  • This grid is more particularly suitable for the distribution of products in the form of foams (shaving foam or styling).
  • the container shown in Figure 3 differs from the two previous containers by the absence of diffusion means at the end 302.1.2 of the radial channel 302.2.1 of the push button 302. This container is intended for the delivery of a toothpaste or shoe polish.
  • FIGS. 1 and 2 are given by way of example, but any other means of distribution known to those skilled in the art, such as a porous dome such as described in French patent FR-2713060.
  • the container shown in Figure 4 has a cup 403.1 and a valve body 403.2, a spring 403.6, a seal 403.5 and a valve control rod 403.4.
  • valve control rod 403.4 which is of the female type, and into which the end of the push button 402 will be inserted; by the fact that the groove 403.2.2.2 is cut on the inner face of the internal skirt 403.1.5 of the cup and not in the internal skirt 403.2.2 of the valve body.
  • the product can then pass from the cavity 403.3 to the distribution channel 402.2.2, via the channel 403.2.2.2, from the notch 403.2.2.3, from a slot 402.4 formed at the end of the push button 402 and the chamfer 403.1.5.2.
  • the operation of this container is the same as that of the preceding containers.
  • the container shown in Figure 5 differs from that of Figure 1 by the relative arrangement of the internal skirts of the cup 503.1.5 and the valve body 503.2.2, by the presence of a piston 505 and an orifice ball filling 506.
  • the internal skirt of the valve body 503.2.2 has a height substantially equivalent to that of the cavity 503.8.1 of the valve and has a shoulder 503.1.6 on its upper edge, on which the lower edge rests 503.2 .4 of the internal skirt 503.1.5 of the cup.
  • a passage is formed between the cavity 503.8, capable of containing the product, and the cavity of the valve 503.8.1 by cutting out a notch 503.2.2.3 in the internal skirt of the valve body and, opposite this notch, a notch 503.1.5.3 of a chamfer 503.1.5.2 and a groove 503.2.2.2 in the internal skirt of the cup.
  • the annular piston 505 separates the reservoir cavity into two cavities: one 503.8 capable of containing the product, the other 503.9 capable of containing the gas.
  • the piston 505 is provided at its ends with means 505.2 and 505.3 of the sealing lip type allowing its sealed positioning respectively on the external skirt 503.1.4 of the cup and on the internal skirt 503.2.2 of the valve body. This means that the gas and the product do not mix.
  • the piston is mobile and can move the along a vertical axis (XX), passing through the valve control rod, while remaining positioned against the two skirts.
  • the piston 505 is further provided with a profile 505.1 allowing it to match the internal walls of the upper plate 503.1.6 of the cup, in order to be able to empty the cavity 503.8 as completely as possible when it moves towards the upper part container, when in use, under gas pressure.
  • the ball orifice 506 consists of a cylindrical orifice 506.1 and a ball 506.2, of diameter greater than that of the orifice, so that, when the ball is forced into the orifice, it seal it tightly. This ball orifice 506 is placed in the bottom 503.2.3 of the valve body.
  • the piston Before filling the container of FIG. 5, the piston is pressed against the cup.
  • the product is introduced into the cavity 503.8 in the same way as in the container of FIG. 1 (via the valve control rod).
  • the gas is introduced through the orifice 506.1, then the latter is closed by the ball 506.2 which is forced in.
  • the container shown in Figure 6 differs from that of Figure 1 by the presence of an annular piston 605 in the reservoir cavity, which delimits the latter in a product cavity 603.8 in its lower part and a cavity 603.9 able to contain the gas in its upper part.
  • the arrangement of the piston is opposite to that of FIG. 5: the profile 605.1 of the piston is designed to match the internal profile 603.2.3 of the bottom 603.2.3 of the valve body.
  • the ball orifice 606 is located in the upper part of the cup, in order to allow gas filling of the cavity 603.9.
  • the piston 605 is placed against the bottom 603.2.3 of the valve body, then the product is introduced into the cavity 603.8 via the valve, as in the other receptacles and the compressed gas is introduced through the ball orifice 606 before it is closed.
  • the container shown in Figure 7 differs from that of Figure 1 by the presence of a deformable pocket 708 fixed to a coil 707, cylindrical, in the reservoir cavity 703.3, of the same axis XX as the internal skirt of the valve body 703.2.2 and the cup 703.1.5, by the modified arrangement of the skirt 703.1.5 of the cup 703.1 and by the presence of a ball orifice 706 in the valve body.
  • the skirt 703.1.5 of the cup is of a height less than that of the reservoir cavity 703.3.
  • the cylindrical coil 707 has in its lower part 707.5 an internal diameter substantially equal to the external diameter of the internal skirt 703.2.2 of the valve body, so that the internal skirt of the valve body is placed inside the coil and is in leaktight contact with it over its entire lower part 707.5.
  • the coil On the rest of its height 707.4, the coil has an internal diameter equal to the external diameter of the internal skirt 703.1.5 of the cup, so that in its upper part 707.4, the coil tightly encloses the internal skirt 703.1. 5 of the cup, itself slipped around the skirt 703.2.2 of the valve body.
  • the coil 707 In its upper and lower parts, the coil 707 has two annular weld pads 707.1 and 707.2 respectively. On its outer surface, the coil 707 has anti-prisoner grooves 707.4.4. These grooves make it possible to prevent part of the product from being blocked in a part of the bag when the latter is empty and is pressed against the spool.
  • the pocket 708 consists of 2 parallel sheets 708.1 and 708.2 welded together by an annular weld 708.3, and welded to the coil by the welding pads 707.1 and 707.2.
  • the pocket-coil assembly forms a sealed cavity, in communication with the cavity of the valve 703.9 via the opening 707.3 and the chamfer 703.1.5.2 of the coil 707, of the groove 703.2.2.2. cut over the entire height of the internal skirt 703.1.5 of the cup and the notch 703.2.2.3 on the upper edge of the internal skirt of the valve body.
  • the pocket 708 is welded to the coil 707, and the assembly is threaded onto the internal skirt of the cup, then the valve body is positioned and welded to the cup.
  • the valve allows, after assembly of the entire container, to evacuate the pocket 708, then fill it with product.
  • the gas is introduced into the reservoir cavity 703.3 through the ball orifice 706 before it is closed.
  • a pressurized container according to FIGS. 8A to 8C consists of a cup 840.1 on which a cover can be fitted (not represented).
  • This cup cooperates with the valve body 840.2 to form, on the one hand, an annular reservoir cavity 840.3, containing a product 840.7 and into which a ring of cellular material 840.8 as shown in FIG. 11A has been introduced, and on the other hand, the valve cavity 840.9.
  • an emerging valve control rod 840.4, a seal 840.5 and a spring 840.6 which together with the valve body constitute the valve itself.
  • the emerging rod 840.4 is intended to cooperate with a push button not shown.
  • the cup 840.1 has, inter alia, in the center of its upper plate 841.1, an orifice 842.1, through which the emerging rod 840.4 passes, an outer skirt 843.1 and an inner skirt 844.1, coaxial, the plate 841.1 being oriented substantially perpendicular to these skirts.
  • the outer skirt 843.1 has, in its lower part, a profile 845.1, suitable for accommodating a complementary profile 841.2 coming from the body 840.2 of the valve; these two profiles are welded ( Figure 8C).
  • the inner skirt 844.1. of the cup has an internal diameter corresponding substantially to that of the seal 840.5 and a height substantially identical to that of the cavity 840.3.
  • the lower surface 846.1 of the internal skirt of the cup is welded to the bottom of the valve body (FIG. 8C).
  • a chamfer 848.1 On the inner periphery of the skirt 844.1 is located a chamfer 848.1.
  • a notch 847.1 is also provided in the internal periphery of the bottom of the skirt 844.1; this notch breaks the continuity of the weld between the internal skirt and the valve body.
  • the valve body 840.2 has on its circumference the profile 841.2 complementary to that already described 845.1; this profile allows the centering of the valve body and the cup during assembly and is welded to part 845.1 of the cup.
  • the valve body has an internal skirt 845.2 whose external diameter is substantially equal to the internal diameter of the internal skirt 844.1 of the cup and these two elements are welded.
  • FIGS. 8A and 8B The assembly of the pressurized container as shown in FIG. 8C is shown in FIGS. 8A and 8B: first of all, the spring 840.6 was assembled around the emerging rod 840.4, then the seal 840.5, in the space defined by the inner body skirt valve; then the ring 840.8 and the cup 840.1 are positioned and the cup is welded to the valve body 840.2 at the end of the skirts.
  • the pressurized container is then filled through the valve: by pressing on the emerging rod 840.4, the product, under pressure, fills the first cavity 840.9 defined by the inner skirt of the valve body, passes through the notch 848.2, descends along groove 846.2 by chamfer 848.1 then by notch 847.1 and fills the cavity 840.3.
  • a push button and a cover, not shown, can then be mounted on the emerging rod and on the cup respectively.
  • the product follows the reverse path to that described for filling the device.
  • the ring When injecting the product, the ring is further compressed when the product arrives through the orifices 847.1 located at the bottom of the cavity 840.3, the ring is pushed upwards. It follows that the container thus formed has a multi-position operation.
  • FIGS. 9A and 9B are shown respectively a pressurized container and a set of pressurized containers comprising a first 90a, a second 90b and a third 90c containers in accordance with FIG. 1.
  • this stacking can be carried out with containers of the others figures.
  • the bottom of the valve body 93.2 of the container has a cavity 93.2.4 into which fits a complementary cylindrical stud 91.1 located on the cover 91 of another container in order to secure two containers together.
  • the bottom of the valve body 93.2a, 93.2b of the receptacles shown in FIG. 9B has a cavity 93.2.4a, respectively 93.2.4b into which a cylindrical stud 91.1b, respectively 91.1c complementary located on the cover 91b, 91c of another container in order to secure two containers together.
  • the device shown in Figures 10A and 11B comprises a container body 101 on which may optionally fit a cover (not shown); on the neck of this container is crimped a valve 102 by means of a valve-holder cup 103; the container body and the cup define a reservoir cavity 101.1; the valve consists of a valve body 102.1, a valve control rod 102.2 which passes through the valve body, a seal 102.3 and a spring 102.4 which presses the valve control rod 102.2 against the joint 102.3, the assembly being held in place by crimping the valve holder cup 103.
  • a dip tube 107 is fixed to the valve.
  • a cylinder 105 of Plastazote: matrix in polyolefin and nitrogen was introduced into the cavity 101.1, through the opening of the container body 101.
  • FIG. 11A we see the element 125 of cellular material of cylindrical shape comprising a cylindrical orifice 126 in its center, before its introduction into the reservoir cavity of the device.
  • FIG. 12A we see an element 135 of cellular material of cylindrical shape, solid, which can be used in place of the cylinder 125 in a device according to the invention not comprising a plunger member.
  • FIG. 10A we see the cylinder 105 of closed cell cellular material which has been introduced into the reservoir cavity 101.1 of the container body 101.
  • the external diameter of the cylinder 105 is provided larger than the internal diameter of the container body 101, in order to obtain a lateral pre-compression of the element of cellular material in order to have more energy available for the last parts of the product.
  • a cylindrical central orifice 106 is provided in the cylinder 105, the dip tube 107 coming to be housed in this orifice.
  • FIGS. 10B and 11C a device according to the invention ready for use: this device differs from that shown in FIGS. 10A and 11B by the fact that a product 119 has been introduced by force through valve 112, which resulted in lateral and longitudinal compression of the cylinder of cellular material 115.
  • the compression is of the hydraulic type, that is to say in three dimensions, over the entire volume of the element of cellular material 115.
  • the internal diameter of the orifice 116 is then slightly increased relative to the diameter of orifice 106 shown in FIG. 10A.
  • the cylinder of cellular material 115 is therefore free to move along the dip tube 117 as a function of its relative density with respect to the product.
  • On the valve control rod 112.2 is placed a push button 114.
  • FIG. 12B we see the cylinder of cellular material 145 which is placed in the container 141, then in FIG. 11C, we see this same cylinder 155 in hydraulic compression in the container 151 into which the product 159 has been introduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Nozzles (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
EP96402219A 1995-11-13 1996-10-16 Aerosol-Behälter Expired - Lifetime EP0778225B1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FR9513412A FR2741047B1 (fr) 1995-11-13 1995-11-13 Nouveau dispositif pressurise unidose
FR9513412 1995-11-13
FR9605918 1996-05-13
FR9605918A FR2741048B1 (fr) 1995-11-13 1996-05-13 Nouveau recipient pressurise unidose
FR9609651A FR2748460A1 (fr) 1996-05-13 1996-07-31 Nouveau dispositif pressurise comprenant un element en materiau alveolaire comme moyen de pressurisation
FR9609651 1996-07-31

Publications (3)

Publication Number Publication Date
EP0778225A2 true EP0778225A2 (de) 1997-06-11
EP0778225A3 EP0778225A3 (de) 1997-07-09
EP0778225B1 EP0778225B1 (de) 1998-07-08

Family

ID=27253121

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EP96402219A Expired - Lifetime EP0778225B1 (de) 1995-11-13 1996-10-16 Aerosol-Behälter

Country Status (9)

Country Link
US (2) US5988453A (de)
EP (1) EP0778225B1 (de)
JP (1) JP2898253B2 (de)
AR (1) AR004561A1 (de)
BR (1) BR9604520A (de)
CA (1) CA2190179C (de)
DE (1) DE69600409T2 (de)
ES (1) ES2120276T3 (de)
MX (1) MX9605457A (de)

Cited By (8)

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US6168335B1 (en) 1998-08-18 2001-01-02 Arich, Inc. Applicator and dispensing device using same
DE102007014603A1 (de) 2007-03-23 2008-09-25 Basf Se Verfahren des Transports einer aus einem Lagerbehälter entnommenen flüssigen Monomerenphase im Tank eines Tankwagens oder eines Tankschiffs
DE102007014606A1 (de) 2007-03-23 2008-09-25 Basf Se Verfahren zur Lagerung einer unter den Bedingungen der Lagerung flüssigen Monomerenphase
WO2013082680A2 (en) 2011-12-05 2013-06-13 Resilux Plastic container for packing of filling product under pressure, and method for the manufacture thereof
BE1020615A5 (nl) * 2011-12-05 2014-01-07 Resilux Behouderverpakking voor verpakking onder druk van vulgoed i.h.b. half vloeibaar, en werkwijze hiervoor.
BE1025052B1 (nl) * 2012-10-10 2018-10-05 Tradidec Nv Behouder voor verpakking onder druk van continuüm vulproduct, en productiewerkwijze hiervoor
CN109242327A (zh) * 2018-09-20 2019-01-18 姜龙训 疫苗管理系统
CN110949878A (zh) * 2020-02-21 2020-04-03 福清市茂顺包装有限公司 一种气体喷雾化妆品包装瓶

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US6464111B2 (en) * 1995-11-13 2002-10-15 L'oreal Dispenser containing a product and dispensing method
DE69600409T2 (de) * 1995-11-13 1998-10-29 Oreal Aerosol-Behälter
DE29717034U1 (de) * 1997-09-23 1999-01-28 Wischerath Josef Gmbh Co Kg Spenderpumpe, Spender und Spender-Baukastensystem
FR2791328B1 (fr) 1999-03-24 2001-06-01 Oreal Ensemble de conditionnement et de distribution pressurisee, de type a piston et procede de montage d'un tel ensemble
DE102007049614B4 (de) * 2007-03-15 2015-03-05 Aptar Dortmund Gmbh Abgabevorrichtung
US20080302827A1 (en) * 2007-06-06 2008-12-11 Gerrish Donald L Spray dispenser
ES2436002T3 (es) 2008-06-20 2013-12-26 Aptar Dortmund Gmbh Dispositivo de distribución
DE102008038654B4 (de) 2008-08-12 2019-09-19 Aptar Dortmund Gmbh Abgabekopf mit schwenkbarem Ventilelement
DE102009030627B4 (de) * 2009-06-25 2020-03-12 Aptar Dortmund Gmbh Ventil und Abgabevorrichtung
KR101598120B1 (ko) * 2013-06-25 2016-02-26 (주)연우 압출식 화장품 용기
MX2017012916A (es) 2015-04-06 2018-01-15 Johnson & Son Inc S C Sistemas abastecedores.

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6168335B1 (en) 1998-08-18 2001-01-02 Arich, Inc. Applicator and dispensing device using same
DE102007014603A1 (de) 2007-03-23 2008-09-25 Basf Se Verfahren des Transports einer aus einem Lagerbehälter entnommenen flüssigen Monomerenphase im Tank eines Tankwagens oder eines Tankschiffs
DE102007014606A1 (de) 2007-03-23 2008-09-25 Basf Se Verfahren zur Lagerung einer unter den Bedingungen der Lagerung flüssigen Monomerenphase
EP3095731A1 (de) 2011-12-05 2016-11-23 Resilux N.V. Kunststoffbehälter zum verpacken von füllgut unter druck und verfahren zur herstellung davon
WO2013082680A3 (en) * 2011-12-05 2013-11-21 Resilux Plastic container for packing of filling product under pressure, and method for the manufacture thereof
BE1020615A5 (nl) * 2011-12-05 2014-01-07 Resilux Behouderverpakking voor verpakking onder druk van vulgoed i.h.b. half vloeibaar, en werkwijze hiervoor.
WO2013082680A2 (en) 2011-12-05 2013-06-13 Resilux Plastic container for packing of filling product under pressure, and method for the manufacture thereof
AP3924A (en) * 2011-12-05 2016-12-06 Resilux Plastic container for packing of filling product under pressure, and method for the manufacture thereof
EA030100B1 (ru) * 2011-12-05 2018-06-29 Резилюкс Способ изготовления пластиковой тары для упаковки фасуемого продукта под давлением
BE1025871B1 (nl) * 2011-12-05 2019-07-26 Tradidec Nv Kunststofbehouder voor verpakking onder druk van vulgoed, en werkwijze voor het vervaardigen hiervan
BE1025052B1 (nl) * 2012-10-10 2018-10-05 Tradidec Nv Behouder voor verpakking onder druk van continuüm vulproduct, en productiewerkwijze hiervoor
CN109242327A (zh) * 2018-09-20 2019-01-18 姜龙训 疫苗管理系统
CN110949878A (zh) * 2020-02-21 2020-04-03 福清市茂顺包装有限公司 一种气体喷雾化妆品包装瓶
CN110949878B (zh) * 2020-02-21 2020-09-11 安徽铭装塑业有限公司 一种气体喷雾化妆品包装瓶

Also Published As

Publication number Publication date
US6227417B1 (en) 2001-05-08
CA2190179C (fr) 2001-02-13
JP2898253B2 (ja) 1999-05-31
EP0778225B1 (de) 1998-07-08
MX9605457A (es) 1997-08-30
AR004561A1 (es) 1998-12-16
ES2120276T3 (es) 1998-10-16
JPH09169372A (ja) 1997-06-30
DE69600409T2 (de) 1998-10-29
US5988453A (en) 1999-11-23
BR9604520A (pt) 1998-06-23
DE69600409D1 (de) 1998-08-13
CA2190179A1 (fr) 1997-05-14
EP0778225A3 (de) 1997-07-09

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