Classifications

• • 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
  • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
  • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
• • 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
  • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
  • B05B11/0072—A valve member forming part of an outlet opening
• • 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
  • B05B11/0089—Dispensing tubes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D83/00—Containers or packages with special means for dispensing contents
  • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
  • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
  • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
  • B65D83/205—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container
• • 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
  • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
  • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods
• • 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
  • B65D83/40—Closure caps

Definitions

• the present invention relates to a fluid dispensing head intended to be mounted on or associated with a dispensing member.
• the dispensing member comprises an actuating rod internally defining a discharge channel through which the fluid is conveyed to the dispensing head.
• the rod is axially movable back and forth along a longitudinal axis, generally vertical.
• the dispensing member may be in the form of a pump or a valve comprising a body inside which the actuating rod is displaceably mounted in a back and forth against a return spring which tends to return the actuating rod in a rest position.
• the dispensing head is thus associated with a pump or a valve to form a fluid dispenser also provided with a fluid reservoir from which the pump or valve withdraws fluid to be dispensed through the head.
• Such dispensing heads are frequently used in the fields of perfumery, cosmetics or even pharmacy.
• such dispensing heads comprise an axial coupling sleeve intended to be engaged on the free end of the actuating rod.
• the head also comprises a dispensing nozzle defining a nozzle channel connected to the connecting sleeve by a connecting channel.
• the tip includes a dispensing free end defining a dispensing orifice located at a downstream end of the tip channel. The other end of the tip is connected to the rest of the head.
• the head also includes a bearing surface on which axial pressure can be exerted to drive the actuating rod.
• the dispensing head therefore performs a push and dispensing function at a time. This kind of dispensing head is already known from the prior art.
• the dispensing head comprises a distribution nozzle inclined relative to the longitudinal axis of displacement. Due to the inclination of the dispensing nozzle, the dispensing head is difficult to manufacture: indeed, since this head is made by molding, the inclination of the tip requires a relatively complicated mold that is not movable along a single axis.
• the present invention aims to simplify the manufacture of such a dispensing head.
• Another object of the invention is to provide the dispensing head with a function of fluid applicator on an application surface.
• Another object is to guarantee the preservation of the fluid product inside the head, even close to the dispensing orifice.
• Yet another purpose is to simplify the assembly of such a dispensing head.
• Yet another goal is to achieve this dispensing head with a minimum number of component parts.
• the present invention provides a dispensing head intended to be mounted on the actuating rod of a fluid dispenser member, the rod being movable back and forth along an axis, the head comprising a bearing surface for moving the head and actuating the dispensing member, the head further comprising a dispensing nozzle internally defining a nozzle channel which opens outwardly at a dispensing orifice, said nozzle having an elongated configuration with a connecting end connected to the remainder of the head and a free end, the dispensing orifice being located near the free end, characterized in that the dispensing orifice is provided with means for internal shutter capable of selectively closing the dispensing orifice of the interior.
• the dispensing orifice has a definitive non-deformable or very little deformable shape, and it is the displacement of the closure member which makes it possible to define a passage for the fluid product coming from the nozzle channel.
• the closure member has an element dissociated from the dispensing orifice.
• the closure member is movable inside the dispensing nozzle so as to selectively seal the dispensing orifice of the interior.
• the dispensing orifice is located laterally along the length of the nozzle, the free end being closed.
• the lateral arrangement of the dispensing orifice makes it possible to use the nozzle as an applicator by receiving at least temporarily the dose of fluid dispensed by the dispensing head. This is not possible when the dispensing orifice is located at the free end of the nozzle.
• the nozzle channel contains an elastically deformable element that extends from the connecting end to the dispensing orifice at which it forms a closure member adapted to close the orifice in a sealed manner, said closure member being movable in a direction which is substantially perpendicular to the length of the tip.
• the deformable element comprises a flexible pin adapted to deform in the nozzle channel under the effect of the fluid under pressure in said channel.
• the head comprises a substantially rigid inner core and a substantially flexible outer casing, the core being engaged in the casing, the casing forming the endpiece and the core forming the closure means.
• the core forms a body in sealed engagement in the casing, the core also forming an elongated flexible pin which extends from the body within the endpiece to the dispensing orifice at which it forms a closure member for the dispensing orifice, the pin being sufficiently thin and long to give it a certain elastic deformability.
• the body of the core defines a collar in sealed engagement in the casing and a connecting sleeve intended to be mounted on an actuating rod of a dispensing member, the body further forming a connection duct which connects the connecting sleeve to the tip channel.
• the bearing surface intersects the axis, the tip extending axially offset relative to the axis.
• the tip comprises an inner face facing the X axis and an outer face, the dispensing orifice being formed at the outer face.
• the tip comprises an inner cannula internally defining the tip channel, the cannula defining an outlet opening near the free end, a sheath that surrounds the cannula forming the dispensing orifice, the outlet opening of the cannula being separated from the dispensing orifice of the sheath by a sealing contact zone capable of being discarded and thus creating a passage in the opening and the orifice under the effect of the fluid product under pressure in said nozzle channel.
• the sheath is elastically deformable.
• the cannula is elastically deformable.
• the sheath rests in sealing contact against the cannula at least around the dispensing orifice.
• the outlet opening is formed at the free end of the cannula, while the dispensing orifice is formed laterally on the sheath, its free end being closed.
• the tip is elastically deformable and rests, at its dispensing orifice, against a closure member housed inside the nozzle.
• the dispensing member is formed by a preferably rigid pin, which extends into the tip channel and which is formed by the core.
• the dispensing orifice is selectively closed from the inside, either by the closure member formed at the free end of a flexible or rigid pin, or by the internal cannula in leaktight contact. around the dispensing orifice.
• these internal sealing means are implemented near the easily accessible free end of an elongated dispensing nozzle, and this without using additional parts other than those constituting the dispensing head.
• FIG. 1 is a vertical cross-sectional view through a dispensing head according to a first embodiment of the invention mounted on a dispensing member associated with a reservoir, the dispensing head being in the rest position; closed
• FIG. 2 is a view similar to that of FIG. 1 with the distribution head in the open dispensing position
• FIG. 3 is a diagrammatic view in vertical cross section through a dispensing head according to a second embodiment of the invention associated with a pump mounted on a reservoir,
• FIG. 4 is a side view of the assembly shown in FIG. 3;
• FIG. 5 is a view similar to that of FIG. 1 for a third embodiment of the invention, and
• Figure 6 is an exploded view of the head of Figure 5.
• the fluid dispensing heads according to the invention are of the "push" type which is pressed to control the dispensing of the fluid product.
• the dispensing head is mounted or associated with a dispensing member which may be a pump or a valve.
• the dispensing member is designated by the reference numeral 4.
• the dispensing head is designated by the reference numerals 1, 2 in FIGS. 1 and 2, since it consists of two distinct elements, namely a core 1 and an envelope 2, and by the reference numerals 1, 2, 3 in FIGS. 3 and 4, since it consists of a core 1 ', an envelope 2' and a sheath 3.
• the head comprises two pieces, namely a core 1 "and a shell 2".
• the dispensing member 4 comprises a body 40 forming a flange 41 engaged in a fixing ring 5.
• the dispensing member also comprises an actuating rod 43 movably mounted in va-and- comes inside the body 40.
• the actuating rod is biased to the rest position by a return spring (not shown).
• the actuating rod defines an internal delivery channel through which the fluid product pressurized in the pump body is forced to be dispensed through the dispensing head.
• the rod extends and moves along a longitudinal axis of actuation X which may be coincident with the axes of symmetry of the container, the ring and the body of the dispensing member.
• the fixing ring 5 comprises a holding housing 51 for the body 40 of the dispensing member 4 and a fixing ring 52 engaged on the neck 61 of a receptacle 6 defining an internal reservoir 60.
• the receptacle comprises a barrel substantially cylindrical inside which can slide a follower piston or scraper (not shown). This is a particular container in which the internal volume of the reservoir decreases as the product is dispensed by the dispenser member.
• other types of containers, fixed or variable capacity, can be used in the context of the invention.
• the type of dispensing member, fixing ring and container is not critical to the present invention. It is sufficient that the dispenser member is provided with a reciprocating actuating rod reciprocating and defining an internal discharge conduit.
• the dispensing head in the first particular non-limiting embodiment of the invention shown in FIGS. 1 and 2 thus comprises a core 1 and an envelope 2.
• the core 1 is advantageously made of a substantially rigid material
• the envelope 2 is advantageously made in a relatively flexible and elastically deformable material.
• the core and shell may be made of conventional plastics such as polyethylene, polypropylene and elastomeric thermoplastics. The fact of making the dispensing head from a core and an envelope should not be considered as limiting.
• a dispensing head according to the invention can also be made in one piece, or in addition to two parts.
• the head comprises a core and an envelope.
• the core 1 is preferably made in one piece by plastic injection.
• the core 1 comprises a substantially cylindrical collar 11, the section of which is preferably circular.
• the collar 11 is closed at its upper end by a support plate 12 which extends inclined relative to the axis of the cylinder formed by the collar.
• the axis of the cylinder is coincident with the longitudinal axis of actuation X of the actuating rod 43.
• the support plate 12 is provided with a pin 15 which is project axially upwards along the axis X, but offset from this axis.
• the pin extends in the extension of the outer wall of the collar 11, as can be seen clearly in Figures 1 and 2.
• the pin is connected to the remainder of the body at its lower connecting end and defines an end free upper.
• the pin 15 is relatively thin and long so that it is elastically deformable, with a maximum amplitude at its free end.
• the pin forms at this location a closure member 16, for example in the form of a boss which protrudes laterally radially outwardly.
• Core 1 also forms a connecting sleeve 13 which internally forms an inlet conduit.
• the sleeve is of generally cylindrical shape with a cylinder axis which coincides with the axis X of the actuating rod once the dispensing head mounted on the actuating rod.
• the free end of the actuating rod 43 is engaged inside the sleeve 13.
• the inlet duct of the sleeve is extended by a connecting duct 14 which opens at the collar 11, just below the spindle. 15.
• the casing 2 is preferably made in one piece from a molded plastic material, such as thermoplastic elastomer.
• the envelope 2 comprises a skirt 21 which is substantially circular cylindrical.
• the skirt also extends along the X axis, once mounted on the rod.
• the skirt is closed at its upper end by a bearing wall 22 which forms an external bearing surface.
• the wall 22 extends inclined with respect to the axis X.
• the angle of inclination of the wall 22 with respect to the axis X can be of the order of 40 to 90 ° with respect to the X axis, that is to say relative to the vertical.
• the support wall may be horizontal or even relatively sloping.
• the bearing surface is intended for the application of a bearing force by means of one or more finger (s) of the hand.
• the bearing surface is centrally located on the X axis.
• the bearing wall 22 is located axially downstream of the axial inlet duct 113.
• the support wall 23 intersects the axis X.
• the pressing force exerted by the finger of the user will therefore be applied directly along the axis X, which ensures a good distribution of the force of support on the head during the distribution.
• the support wall although made of a flexible material, can not be deformed, since it is in contact with the support plate 12 formed by the rigid core 1.
• the support wall 22 forms a dispensing nozzle 23 which internally defines a nozzle channel 25. This nozzle
• the end piece 23 is axially inscribed in the skirt 21.
• the end piece does not protrude radially outwards with respect to the skirt, when one looks at the envelope from above or below along the X axis. This is a feature that can be protected regardless of whether the dispensing head is made in two pieces.
• a distribution head forming a bearing surface and an offset axial distribution endpiece which extends or is inscribed in the base skirt of the dispensing head.
• the tip extends axially allows a molding easy demoulding and assembly of the part. Indeed, using a single pin, one can mold the inside of the dispensing head. In addition, it can be performed in one piece.
• the axial orientation of the end piece inscribed in the skirt also allows easy and simple mounting of the core 1 inside the casing 2. This assembly can be achieved by engaging the core 1 in the casing 2 in a perfectly axial manner.
• the rigid collar 11 comes into sealing engagement inside the skirt 21 while the plate 12 comes into contact with the bearing wall 22.
• the end piece 23 also forms a dispensing orifice 26 which is located near the free end, but not at the free end. On the contrary, the orifice opens laterally below the free end on the face of the tip turned away from the X axis.
• the pin 15 is engaged in the channel 25 of the nozzle 23 so that its closure member 16 is located at the dispensing orifice 26.
• the spindle Due to the elastic deformability of the spindle, it is movable inside the end channel in a direction substantially perpendicular to the axis X. As a result, the shutter member can move in the direction of rotation. nozzle so as to hermetically seal the dispensing orifice from the inside.
• the tip 23, formed by the flexible envelope 2 has a certain flexibility or flexibility, despite the presence of the pin, since the latter is also flexible because of its length.
• the tip 23 advantageously has a flat shape of spatula. Indeed, the tip is wider tangentially than radially.
• the fact of making the tip 23 in the form of a flat spatula, advantageously elastically deformable, makes it possible to use the nozzle as a fluid product applicator for applying and / or spreading the fluid product on a surface of application.
• the perfectly or substantially axially offset orientation of the tip with advantageously a bearing surface perfectly centered on the axis makes it possible to obtain good accuracy in locating the distribution and application of the fluid product on an application surface.
• the lower end of the skirt 21 extends inside a bushing 53 formed by the fixing ring 5.
• the actuating rod 43 is not visible.
• the dispensing head comprises three constituent elements, namely a core 1 ', an envelope 2' and a sheath 3.
• the core 1 can be made of a relatively rigid plastic material and comprises, just as in the first embodiment, a connecting sleeve 13 engaged with the free end of the actuating rod 43.
• the core also comprises a collar 11 which concentrically surrounds the connecting sleeve 13.
• the collar 11 is extended by a support plate 12 at which opens the inlet duct formed by the sleeve 13.
• the support plate also forms a groove 14 'which will define a connecting conduit.
• the core also forms a truncated pin 15 'in which the groove 14' also extends.
• the envelope 2 ' can be made of a relatively flexible or substantially rigid material.
• the envelope 2 ' also comprises a skirt 21 which is closed by a wall 22 which rests on the support plate. This wall 22 also intersects the axis X.
• the envelope also comprises an internal cannula 23 'which extends axially offset with respect to the axis X. This inner cannula 23' comprises an outlet opening 24 'at the from its free upper end.
• the body is engaged in the envelope 2 'in the same manner as in the first embodiment.
• a difference lies in the fact that the connecting conduit is here formed by the groove 14 'which is completed by the envelope.
• the truncated pin 15 'does not extend to the free end of the cannula 23'.
• the sheath 3 constitutes an additional element that can be made of a substantially rigid material or relatively flexible.
• the sheath 3 comprises an anchor skirt 31 which engages around the casing 2. From this anchoring skirt 31, the sheath forms a bearing surface 32 on which the user can exert an axial pressure. along the axis X.
• the sheath also comprises a kind of sleeve or sleeve 33 which extends around the inner cannula 23 '.
• This sleeve 33 is closed at its upper end 34, but forms a dispensing orifice 36 which opens laterally or radially on the side which is opposite to the axis X.
• the cannula 23 is in intimate contact with the inner wall of the sleeve 33 so that they together form a sealed contact area all around the dispensing orifice 36. This corresponds to the rest position.
• a passage is created between the cannula 23' and the cuff 34 so that the fluid product finds an exit path to the
• This output passage may be created because the cannula 23 'and / or the sleeve 34 are elastically deformable.
• the cannula 23 'and the sheath 3 are elastically deformable so as to confer some flexibility or flexibility to the tip.
• FIG. 5 and 6 there is shown a third embodiment for a dispensing head according to the invention, which can be considered as a variant of the first embodiment of Figures 1 and 2.
• This head comprises a core 1 "and an envelope 2".
• the core forms a spindle 15 "which is preferably relatively rigid.
• This spindle is engaged in the end-piece 23" formed by the envelope, but does not deform or almost not inside the mouthpiece, because of its rigidity. On the contrary, it is the tip 23 "which is deformable.
• the pin 15" closes the dispensing orifice 26 with its free end which forms a closure member 16. This organ 16 comes into sealing engagement around the dispensing orifice within the tip channel.
• the sealed contact is broken when the pressure in the channel exceeds a threshold.
• Another difference with the first embodiment lies in the fact that the connecting conduit is formed between the core and the envelope.
• Another particularity lies in the anchor heel 27 of the envelope 27 engaged in the housing 17 of the core. This heel improves the maintenance of the envelope on the core. It may also be noted that it is the core which forms the skirt which extends up to around the fixing ring 5.
• the dispensing orifice which is advantageously made laterally, is closed from the inside by a closure member which is movable inside the nozzle in a direction substantially perpendicular to the X axis with respect to the dispensing orifice.

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)
• Nozzles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35207486

Family Applications (1)

Country Status (6)

Families Citing this family (9)

Family Cites Families (13)

• 2005
  • 2005-04-08 FR FR0503542A patent/FR2884157B1/fr not_active Expired - Fee Related
• 2006
  • 2006-04-03 WO PCT/FR2006/050287 patent/WO2006106256A2/fr not_active Application Discontinuation
  • 2006-04-03 EP EP06726298A patent/EP1871536A2/de not_active Withdrawn
  • 2006-04-03 US US11/910,676 patent/US7828177B2/en not_active Expired - Fee Related
  • 2006-04-03 CN CN200680015673A patent/CN100574897C/zh not_active Expired - Fee Related
  • 2006-04-03 BR BRPI0609747-2A patent/BRPI0609747A2/pt not_active IP Right Cessation

Non-Patent Citations (1)

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