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
  • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
  • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
  • B65D83/685—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head with one product being located in a chamber within, or forming part of, the dispensing head, e.g. for admixture during dispensing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
  • B05B11/0005—Components or details
  • B05B11/0078—Arrangements for separately storing several components
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
  • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
  • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
  • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
  • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
  • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
  • B05B7/244—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle
  • B05B7/2443—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge
  • B05B7/2445—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge and a secondary stream of carrying liquid being brought together in the container or putting the carried liquid under pressure in the container
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
  • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
  • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
  • B05B7/244—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle
  • B05B7/2448—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together after discharge
  • B05B7/2451—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together after discharge and a secondary stream of carrying liquid being brought together in the container or putting the carried liquid in the container

Definitions

• the present invention relates to a device for the simultaneous distribution of two products packaged separately according to the preamble of claim 1.
• the invention is particularly suitable for the application of certain products used in cosmetics, pharmacy or dermato-pharmacology.
• the invention relates in particular to products which, for reasons of stability cannot be brought into contact with each other, until the time of use.
• active agents such as vitamin C, A, or E, bicarbonate, fruit acids such as citric acid, to be distributed with a moisturizing product in the form of a gel, d 'a cream or cream gel.
• Patent FR-A-2 615 826 describes a device for the distribution of a mixture of pasty substance and at least one pasty additive, in particular in the form of a striated bead.
• the device comprises a container, in particular a tube with flexible walls, containing a first pasty product.
• the container is surmounted by a neck on which a dispensing head is mounted.
• the dispensing head has a body, an annular part of which forms a reservoir for a second product, capable of exiting through an outlet orifice, under the pressure of the first product.
• the body also defines a central passage for conveying the first product to said outlet orifice, so as to form a ridged bead comprising a little of the two products.
• the second product is contained in a central part of the body of the dispensing head, the first product being in turn conveyed by an annular passage.
• the respective flow rates of each of the products are determined to a large extent by the diameter of the neck of the container with flexible walls, and by the configuration of the body of the dispensing head, etc.
• the body containing the second product has an added bottom.
• the configuration of the bottom is such that it does not in any way modify the flow of product leaving the flexible-walled tube. It therefore has no impact on the respective flow rates of each product.
• a device comprising the characteristics of the preamble of claim 1 is known from document EP-A-0 737 629.
• the body consists of a single piece obtained from molding, in particular of a thermoplastic material such as polypropylene, a polyethylene terephthalate, a polyethylene, etc.
• a thermoplastic material such as polypropylene, a polyethylene terephthalate, a polyethylene, etc.
• the product A released pushes the product B through a movable piston. This prevents products A and B from being kept in contact with each other, which may be essential for certain pairs of products.
• the respective flow rates are determined at least in part, by a separate part of the body of the dispensing head, which part also ensures the tight assembly of the assembly on the hollow rod (pump or valve for example).
• This intermediate piece located between the container containing the first product and the reservoir containing the second product, makes it possible, if necessary, to considerably facilitate the molding of the body, and consequently to reduce the manufacturing cost thereof.
• the same body can be used to dispense pairs of products with different respective flow rates, simply by changing the intermediate mounting part.
• the intermediate part can also be obtained by molding, which molding is, in terms of cost, incommensurate with the additional cost which would be imposed on the manufacture of a head body mounted directly on the hollow rod and incorporating all the elements necessary for the distribution of the flows of product A in the head in order to modify the respective flow of each of the products.
• the possibilities of adjusting the respective flow rates are much more numerous than those which would be possible if the flow distributor formed an integral part of the body of the distribution head, and this, only by playing on the configuration of the channels, passages or orifices formed by the intermediate piece.
• the emptying of the device can be complete, whatever the ratio of the respective flow rates of each of the products.
• the body can be surmounted by an element closing said body and forming a bearing surface to allow actuation pressure to be exerted, the outlet orifice (s) being carried by said element.
• This element can be mounted by snapping, gluing, welding, or any other suitable means.
• the product A is pressurized in the first container, said dispensing member being formed of a valve.
• Product A can be pressurized by means of a liquefiable gas or not, or by means of a piston pushed by a gas for example.
• the distribution member consists of a manually operated pump.
• the product reservoir B can consist of an annular part of the body, the product A being conveyed to the second orifice via a central intake passage.
• the body has a fixed annular bottom defining at least one orifice for placing the body in communication with the hollow rod, the reservoir comprising a movable bottom in the form of an annular piston capable of moving axially under the thrust of product A said movable bottom being axially separated from the fixed bottom.
• the presence of the piston is not essential, in particular when it is a question of dispensing products of very pasty consistency.
• the central intake passage can be raised relative to said fixed annular bottom and be carried by bridges of material spaced angularly around said orifice, and a first end of which is integral with the annular bottom, a second end being integral with the intake passage .
• the intermediate part distributes the product A in the form of a central flow of product A, opening both directly into the central supply passage, and under the annular piston, between the fixed bottom and the annular piston.
• the intermediate piece allows, by mounting on the hollow rod of small diameter, to allow the realization of a wider central passage.
• the intermediate part comprises a part situated opposite the inlet orifice being able to form a deflector for the product A so as to convey it both in the central intake passage and under the annular piston via lateral passages located between bridges of material supporting the deflector.
• the intermediate piece comprises a portion being capable of closing all or part of the orifice delimited by the fixed bottom, the product A being brought both into the passage of central supply and under the annular piston via lateral passages arranged between the fixed bottom and the intermediate piece, and opening into the body through orifices made in the fixed bottom, in the vicinity of the periphery of the body of the actuating means.
• the intermediate part makes it possible to pass the product A at the periphery, under the annular piston.
• This embodiment is advantageous in that it allows the evacuation of air, in particular in the case of a very viscous product A.
• the portion capable of closing the central orifice can be carried by one or more bridges of material spaced angularly, so as to allow the passage of the product A in the lateral passages.
• the reservoir for the second product B consists of a central part of the body, the first product A being conveyed to the second orifice via an annular supply passage surrounding all or part of the central reservoir.
• the intermediate piece has an inlet opening in communication with the hollow rod which is arranged so as to distribute the product A in the form of a central flow intended to push the product B and passages lateral to generate first lateral flows for the supply of the annular supply passage, said first lateral flows opening into the annular supply passage through slots or orifices formed in an annular bottom of said supply passage. This reduces the central flow under product B, to increase the passage of product A through the annular zone.
• Holes or slots may be provided in the central part of the body and opening onto the annular supply passage so as to generate second lateral flows to supply the annular supply passage. This increases the flow of product A leaving through the annular passage. Furthermore, upon priming, the piston evacuates the residual air located under it, through the slots or orifices in the central passage.
• the actuating means are mounted on a covering hoop.
• the covering band can be molded with the intermediate piece.
• the hoop and the actuation means are formed in a single piece obtained from molding, said hoop being connected to the actuation means by bridges of frangible material.
• the material bridges can be broken during the first use, which ensures the inviolability of the system.
• Product A can be contained in a pocket made of flexible material.
• a pocket made of flexible material.
• an aluminum sheet or a complex of several different materials is used.
• the pocket is contained inside a rigid or semi-rigid enclosure.
• the first and second ports can lead to a single outlet, or to two separate outlet.
• this can be closed by an elastically deformable member, capable of moving away under the pressure of the product so as to release said outlet orifice and allow the outlet of the product, and return to the closed position when the pressure stops.
• a lip made of elastomeric material is used.
• the B / A flow rate ratio varies depending on the products and applications. For example, the ratio of B / A flow rates varies between 5/95 and 50/50.
• the intermediate piece is mounted on the hollow rod via a sleeve, the hollow rod or the sleeve having, over at least part of the height of its external surface or its internal surface, ridges capable of allowing the evacuation of air. .
• This air evacuation function is particularly advantageous when the dispensing head is removable.
• the actuating means are force-fitted to the intermediate piece. Still other means can be used for mounting the actuating means on the intermediate piece.
• products A and B are cosmetic, pharmaceutical or dermato-pharmaceutical compositions.
• the assembly 1 illustrated in FIG. 1 comprises a pouch of flexible material 2, based on aluminum in particular inside of which is placed a first product A (in the form of a cream for example).
• Product A can be a hydrating product in the form of a gel in aqueous or hydro-alcoholic phase, a water-in-oil or oil-in-water cream, a cream gel, or an anhydrous phase.
• a free edge of the pocket is mounted by gluing or welding on a pocket head 3, which is mounted on the free edge of a rigid or semi-rigid enclosure 4, having at its bottom an air intake orifice 5.
• the pocket head 3 has an annular skirt 6 closed by an annular bottom 7, carrying a central chimney 8 in communication with the pocket, and on which is mounted a manually actuated pump 9.
• the pump 9 can be mounted by crimping, via a intermediate piece (not shown) which can be slammed inside the central chimney 8.
• the annular skirt 6 has on its outer surface, an annular edge 10 intended to come to bear on the free edge of the rigid or semi enclosure rigid 4, the skirt 6 being forcibly inserted into the opening of the enclosure 4.
• a dispensing head 13 is mounted on the pump rod 11 by means of an intermediate element 32 whose function and characteristics will be described in more detail below.
• the dispensing head comprises a body 14 of axis X, obtained by molding in one piece, in polypropylene for example.
• the body 14 delimits an annular zone 15, containing a second product B, for example an active ingredient, to be distributed in combination with the product contained in the bag 2.
• the product B can consist of a product in the anhydrous phase, a cream or gel, containing active ingredients such as vitamin C, A or E, bicarbonate or fruit acids.
• the body 14 has a fixed annular bottom 16 delimiting an axial opening 17.
• a central chimney 18 is carried by three legs 19 arranged regularly around the orifice 17, so as to allow the passage of the first product A between said tabs 19.
• a cap 20 is arranged so as to close the body 14 and to define a bearing surface 21 to allow actuation of the pump 9.
• the cap is mounted by snapping on the free edge of the body 14.
• the central chimney 18 is of axial height such that, in the mounted position of the cap 20, the central chimney is in contact with the internal surface of the transverse wall 27 of the cap forming the bearing surface 21.
• An elastomeric member 22 is disposed inside the cap , and defines with the body of the cap, an axial passage 23 in communication with the annular zone 15 via a slot or an orifice 24 formed in a transverse wall 28 of the cap, said axial passage 23 opening onto a radial passage 25, also in communication with the central chimney 18 via a slot or an orifice 26 formed in the wall of the central chimney 18, in the vicinity of its upper edge.
• the radial passage 25 opens onto a spout at which the elastomeric member forms a lip 29. In the rest position, the lip 29 is in elastic support on a corresponding edge formed by the transverse wall 27 of the plug 20, said edge forming a seat 30 for said lip 29. Under the product pressure, the lip 29 moves away from the seat 30 to let the product pass. When the pressure ceases, the lip 29 returns to seal against the rigid seat 30.
• the annular zone 15 is closed by a movable bottom forming a piston 31, capable, under the pressure of the product A, of pushing the product B in the direction of the orifice 24.
• the annular piston 31 is separated axially from the bottom 16, so allowing product A to pass into the annular space between the fixed bottom 16 and the piston, in order to push the latter.
• the dispensing head 13 is mounted on the pump rod 11, via an intermediate element 32, further playing the function of flow distributor.
• the intermediate element 32 comprises a transverse wall 39 connected to an annular edge 40, of external diameter slightly less than the internal diameter of the free edge of the body 14, so as to allow a force mounting of the body 14 on the intermediate element 32.
• the intermediate element carries in its center an axial chimney 33 forming an inner diameter sleeve capable of allowing it to be mounted in force on the pump rod 11.
• the axial chimney 33 opens onto an orifice 34, in communication with the hollow rod 11, and opens out opposite the central hole 17 delimited by the fixed bottom 16.
• a removable cover 36 covers the dispensing head.
• the dispensing head also comprises a covering hoop 42.
• the hoop 42 is obtained by molding with the body 14 of the dispensing head 13.
• the hoop 42 is mounted by snap-fastening on the pocket head 3
• the hoop is connected to the body by breakable tabs 43, in particular during the first use, guaranteeing the inviolability of the assembly before its first use.
• the user presses on the support surface 21 of the push button 13, which causes the pump rod 11 to sink and the product A to exit, through the hollow rod, via the orifice 34 of the intermediate element 32.
• the product A passes through the tabs 19 under the piston 31, which under pressure causes the product B to exit through the orifice 24 and the passage 23.
• the product B is thus routed in the radial passage 25.
• the product A passes through the central chimney 18 and opens into the radial channel 25, where it mixes with the product B.
• the thrust of the mixture causes the opening of the lip 29, said mixture leaving at the outlet orifice 35 delimited by the lip and the seat.
• the orifice (s) can open laterally as in the mode illustrated embodiment, or parallel to the axis of the device.
• the intermediate part used for mounting the dispensing head on the pump rod allows, in addition to sealing, to increase the flow of product A passing directly into the central channel 18, allowing to give the latter a wider section than that which it could have if the push button was mounted directly on the pump rod, in particular due to the requirements of molding and demolding.
• the effective product flow is reduced to push the piston 31 and let the product out B. This reduces the ratio of the flow rates B / A.
• the fragility of the central chimney is reduced.
• the intermediate element 32 carries, opposite the orifice 34, a deflector 37 carried by tabs 38 angularly spaced around the orifice 34.
• the flows of product A are illustrated in the drawing by the arrows.
• the deflector 37 breaks the flow of product A leaving the pump rod and increases the flow of said product A directed laterally under the piston, which increases the thrust applied to the piston, and therefore the quantity of product B distributed. This regulates the flow of product B at the start.
• orifices or slots 38 formed at the base of the central chimney 18, and located, before the first use, facing the piston 31, are released, as the piston rises.
• the internal surface of the skirt axial 33 carries vertical striations 41 to allow the evacuation of air during mounting of the dispensing head 13 on the pump rod.
• the ridges 41 extend over the entire height of the rod or of the axial skirt 33, with the exception of the upper end, so as to ensure a sealed bearing of the skirt on the hollow rod, over approximately 1 mm.
• the fixed bottom 16 of the body 14 is axially separated from the transverse wall 39 of the intermediate element 32. Furthermore, the orifice 17 is closed in leaktight fashion by a closure element 44 carried by legs spaced angularly 45.
• passages or orifices 46 are formed in the fixed bottom 16, in the vicinity of its periphery.
• the variant of FIG. 2C differs from the variant of FIG. 2B in that the element 44 does not completely block the orifice 17 of the bottom 16, so that part of the product passes all around the element 44 to be conveyed in the central channel 18, the rest of the product A passing under the fixed bottom 16 and opens under the piston 31 via the peripheral passages or orifices 46.
• the product flow is increased A in the central channel 18.
• the quantity of product passing through the annular space situated all around the element 44 depends on the width of the latter. By playing on this width, we play accordingly on the respective bit rates of each of the products A and B.
• the flows of product A are substantially identical to the flows of product A in the variant of the previous figure.
• the fixed bottom 16 of the body 14 has a profile having an axial recess, similar to that formed by the intermediate element 32, thus reducing the axial space present between the intermediate element 32 and the fixed bottom 16, and increasing the length of the path of the product A under the fixed bottom 16.
• the product A leaves the hollow rod 11 via the orifice 34 of the intermediate element 32, passes on the one hand, in the central chimney 18, all around the element 44, and on the other hand, under the fixed bottom 16, where it opens into the body 14 via the orifices or peripheral slots 46.
• the product pushes the piston 31, and on the other hand passes into the central channel 18 via orifices or slots 47 formed in the lower part of the central chimney 18, in the vicinity of the fixed bottom.
• part of the product A passes substantially directly into the supply channel 18, while another part passes first under the piston 31 before passing into the supply channel 18.
• the respective flow rates of the products A and B are modified. In reality, the number of variants is unlimited and allows very fine adjustments to be made to the ratio B /AT.
• the body 114 of the dispensing head 113 has a central passage 118 in which is placed the product B.
• the central passage 118 has its bottom closed by a movable bottom 131 acting as a piston.
• the body 114 defines an annular zone 115 intended for the passage of the product A.
• the body is closed in its upper part by a cap 200 of which an inclined surface 210 defines a bearing surface for the actuation of a valve 105 surmounting a container 104 of aerosol can type, containing product A.
• the valve is surmounted by a valve stem 103.
• the cap 200 has two channels 250, 251, opening onto two adjacent outlet orifices 350, 351.
• the first channel 251 is in communication with the central channel 118 via an orifice 126.
• the second channel 250 is in communication with the annular zone via an orifice 124.
• the two outlet orifices 350, 351 are located in close proximity to one another so as to facilitate the simultaneous collection of the two products distributed.
• the annular zone has a fixed annular bottom 116 pierced with an annular slot 146, or with a plurality of slots or orifices regularly arranged on the periphery of the bottom 116.
• a hoop 142 is integral with the body and has a free edge 101 capable, during the actuation of the valve 105 to slide inside a skirt 102 mounted by snap on the edge of the container 104.
• the body 114 of the dispensing head 113 is mounted on the valve stem 103 via an element intermediate 132 also acting as a flow distributor for product A, so as to determine the flow rate ratio B / A.
• the intermediate element 132 comprises a transverse plate 139 carrying an axial skirt 133 forming a sleeve of suitable diameter to allow it to be mounted in force on the valve stem 103.
• the axial skirt 133 opens onto an outlet orifice 134 disposed opposite the movable piston 131.
• the body 114 of the dispensing head 113 is forcibly mounted on the intermediate element 132, by means of a side skirt 140, cooperating in leaktight manner with the internal surface of the edge free from the body 114, said plate 139 being in contact with the fixed annular bottom 116.
• the upper surface of the transverse plate 139 has channels 150 extending radially from the orifice 134 to the periphery of the element 132 so to be in communication with the annular passage 115 via the slots or orifices 146.
• the channels are evenly spaced over the entire surface of the element 132.
• the user presses on the surface 210, causing the valve rod 103 to sink.
• the pressurized product leaves via the hollow rod 103 and opens into the body 114 of the dispensing head 113 through the orifice 134 formed in the plate 139 of the intermediate element 132.
• a first part of the product A pushes the central piston 131 and causes the product B to exit through the outlet orifice 351.
• the other part of the product A passes through the radial channels 150, under the annular bottom 116, and opens into the annular passage 115, via the slots or orifices 146.
• the product A leaves simultaneously with the product B through the outlet orifice 350.
• the valve stem 103 returns by elastic return, in the closed position, which interrupts the distribution of the products A and B.
• the mounting of the dispensing head 113 on the valve stem 103, via an intermediate element 132 makes it possible to freely choose the respective sections of the central channel 118 and of the annular passage 115, regardless of the section of the valve stem 103.
• the ratio of the respective flow rates is adjusted, in particular by varying the dimensions and the number of radial passages 150 and orifices 146.
• the intermediate element 132 is extended radially by a skirt, obtained by molding with the element 132, and forming a covering hoop 142.
• the element 132 consists of two parts 153, 154, force-fitted one over the other.
• the first part 153 comprises an annular transverse plate 139 on the external surface of which the radial channels 150 are formed.
• the external edge of the annular plate 139 is connected to the hoop 142 via a vertical edge 140 whose external diameter is slightly less than the internal diameter from the lower edge of the body 114, so as to allow a force fitting of the body 114 on the intermediate element 132.
• the internal edge of the annular plate 139 is connected to a raised central portion 151, via an edge 152 whose external diameter is slightly smaller than the internal diameter of the central passage 118 so as to be forced into said central passage.
• the raised central portion is pierced in its center with an orifice 134.
• the part 153 is force-fitted on a second part 154 having in its center a bore to be force-fitted on the valve stem 103.
• a space 155 is provided between the part 152 and the part 153 so as to form for the product an expansion chamber at the outlet of the valve 105.
• the product A leaves the valve stem 103, and opens into the expansion chamber 155.
• Part of the product A leaves under the central piston 131 via the orifice 134, so as to push a quantity of product B towards the outlet orifice 351.
• a part of the product A directed in the central passage 118 passes into the annular zone 115 through orifices or slots 157 arranged in the lower part of the central chimney 118.
• the orifices 157 may, before the first use, be located opposite the piston, and disengage after the piston has risen by a certain axial height.
• the other part of the product A passes through the radial channels 150, between the intermediate part 132 and the fixed bottom 116, and opens into the annular zone 115 via the slots or orifices 146.
• the product A exits through the outlet port 350.
• the possibilities of adjustment are endless by varying the size, the number, and the configuration of the passages, orifices or other elements constituting the intermediate element 132.
• the respective flow rates of products A and B are also determined to a certain extent by the configuration of the outlet channels of products A and B.
• These outlet channels may include, for example, restrictions or the like. elements capable of modifying the flow of outgoing products.

Landscapes

• 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)
• Closures For Containers (AREA)
• Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
• Details Of Rigid Or Semi-Rigid Containers (AREA)
• Basic Packing Technique (AREA)
• Confectionery (AREA)
• Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
• General Preparation And Processing Of Foods (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=9511793

Family Applications (1)

Country Status (9)

Families Citing this family (63)

Family Cites Families (12)

• 1997
  • 1997-10-03 FR FR9712348A patent/FR2769299B1/fr not_active Expired - Fee Related
• 1998
  • 1998-09-11 DE DE69811031T patent/DE69811031T2/de not_active Expired - Lifetime
  • 1998-09-11 EP EP98402249A patent/EP0906873B1/fr not_active Expired - Lifetime
  • 1998-09-11 ES ES98402249T patent/ES2191914T3/es not_active Expired - Lifetime
  • 1998-09-30 CN CN98120582A patent/CN1099360C/zh not_active Expired - Fee Related
  • 1998-10-01 AR ARP980104896A patent/AR016942A1/es unknown
  • 1998-10-01 CA CA002245988A patent/CA2245988C/fr not_active Expired - Fee Related
  • 1998-10-02 JP JP28165698A patent/JP3411509B2/ja not_active Expired - Fee Related
  • 1998-10-05 US US09/166,130 patent/US6116466A/en not_active Expired - Fee Related

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