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
  • B65D83/42—Filling or charging means
  • B65D83/425—Delivery valves permitting filling or charging
• • 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
  • B65D83/206—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container comprising a cantilevered actuator element, e.g. a lever pivoting about a living hinge

Definitions

• the present invention relates to a valve for pressurized containers such as aerosol containers.
• Valves of this type are actuated by a plastic control button intended to be pressed by a finger of the user and carrying a nozzle whose free end is intended to be connected axially to the valve of the container.
• the nozzle has an internal channel communicated with ⁇ a transverse channel with respect to the nozzle channel and provided in the control knob.
• the channel of the control button opens to the outside through an outlet.
• the nozzle pushes in the nozzle of the valve and the product under pressure contained in the container is diffused towards the outside through the channel of the nozzle and that of the control button .
• the axial nozzle is generally molded in one piece with the control button.
• the assembly constituted by the control button and the nozzle can be part of a diffusing cap intended to be fixed by fitting on the upper part of the pressurized container.
• the main difficulty lies in the fact that the nozzle must be as rigid as possible so that it does not deform under the effect of the force applied to the control button and does not exert any harmful influence on the valve and especially to avoid any risk that the tight connection between the valve and the nozzle is altered during actuation of the control button.
• the thickness of the wall of the nozzle must be greater than that of the other walls of the diffuser cap. This difference in thickness of the walls causes difficulties during the injection molding of the diffusing caps and implies extended molding times, in particular because of the greater cooling times which are necessary.
• this tube In order to precisely define the axial position of this tube and to avoid any lateral displacement of the latter during assembly of the diffuser cap on the container and thus avoid damage to the nozzle of the valve, this tube is guided laterally by ribs formed in a sleeve surrounding this tube. The existence of this sleeve and these ribs seriously complicates the manufacture of the aforementioned diffuser cap.
• the object of the present invention is to remedy the drawbacks of known embodiments by creating a valve having optimal performance while being of simple and inexpensive construction.
• valve for pressurized containers contemplated by the invention is intended to be actuated by a control button which carries an axial nozzle intended to be tightly connected to the valve of the pressurized container.
• this valve is characterized in that it comprises a connection sleeve, one end of which is tightly connected to the valve and the other end of which is shaped so that it can be connected tight to the nozzle of the control button when mounting the actuating device on the container already under pressure. Because this connection sleeve is fixed to the valve, before mounting the rest of the actuating device, there is no risk of damaging the valve during the fitting between the nozzle and this sleeve. Thus, there is no need to guide this sleeve laterally, as in the case of the embodiment described in French patent 1,512,794.
• the nozzle of the actuation device can be relatively short, which facilitates lite the release of the actuating device and allows this nozzle to be produced with a smaller wall thickness than in the case of known embodiments.
• This thickness can be substantially identical to that of the other walls of the device, which makes it possible during manufacture to reduce consi ⁇ derably the cooling times.
• connection sleeve which is molded in a separate mold may have a greater wall thickness than that of the nozzle so as to avoid its deformation when the control button is actuated.
• connection sleeve can be variable depending on the distance between the end of the nozzle and the container valve.
• an identical actuation device can be provided for different containers whose upper domes which carry the valve have variable heights.
• connection sleeve comprises at its end an internal recess sealingly engaged on the nozzle of the valve and at its end an internal recess intended to receive the end of the nozzle of the button. ordered.
• connection sleeve is made of a relatively elastic plastic material such that the end of this sleeve can be fitted onto the nozzle by radial and elastic expansion of said end, without causing the depression of this nozzle.
• the device according to the invention can also be applied in the case where an annular opening is formed around the nozzle of the valve to allow the passage of the filling fluid under pressure from the container, by means of a filling head.
• the free edge of the skirt is adapted so as to be able to bear sealingly around the annular opening in order to limit the displacement of the nozzle of the valve towards the inside of the latter and allow the filling fluid to pass through said opening.
• connection sleeve thus has a double function: that of serving as a connection element suitable for various actuation devices and that of serving as a filling element in combination with its filling head.
• - Figure 1 is a longitudinal sectional view of a diffuser cap according to the invention, mounted on the upper part of a pressurized container;
• - Figure 2 is a longitudinal sectional view of the connection sleeve mounted on the nozzle of the container valve;
• FIG. 3 is a longitudinal section view on an enlarged scale of the connection sleeve
• FIG. 4 is a plan view along arrow IV of Figure 3;
• FIG. 5 is a view similar to Figure 2, the valve being in the open and fill position.
• the diffuser cap 1 molded by injection of plastic material comprises a cylindrical outer skirt 2 carrying at its upper part a control button 3 which has an inclined bearing surface 4.
• This control button 3 has an internal channel 5 which opens to the outside via a diffusion orifice 6.
• This control button 3 is connected near its diffusion orifice 6 to the outer skirt 2 by a plastic bridge 7.
• control button 3 pivots down around the articulation formed by the plastic bridge 7.
• the control button 3 also carries an axial nozzle 8 which has an internal channel 9 perpendicular to the channel 5 and communicating with the latter.
• the diffuser cap 1 further comprises a cylindrical internal skirt 10, the free edge of which has a rib 11 allowing the diffuser cap to be fixed to the annular bead 12 of the mounting cup 13 provided at the top of the upper dome. 7 laughing 14 of container 15.
• the actuating device comprises a connection sleeve (18) one of which (18b) of the ends is tightly connected to the valve and the other end (18a) of which is shaped so as to be able to be connected in a sealed manner to the nozzle (8) of the control button when the actuating device is mounted on the container already under pressure.
• connection sleeve (18) comprises at its end (18b) an internal recess (19b) engaged in a sealed manner on the nozzle (17) of the valve and at its end (18a), an internal recess (19a ) intended to receive the ex ⁇ end (8a) of the nozzle of the control button (3).
• the side wall of the nozzle 8 is not thicker than that of the other walls of the diffuser cap and in particular that of the outer skirt 2.
• the length of the nozzle (8) is less than two thirds of the distance between the base (21) of this nozzle and the end of the stem (17) of the valve , in the device mounting position.
• connection sleeve (8) has a diameter less than that of its internal recess (19b), but substantially equal to the diameter of the internal channel (9) of the nozzle (8) of the button. control (3).
• the diffuser cap 1 can be made of a relatively rigid plastic material such as polypropylene. On the other hand, it is advantageous that
• connection sleeve 18 is made of a more flexible and elastic plastic material such as polyethylene, so that the end (18b) of this sleeve can be fitted onto the nozzle (17) by radial and elastic expansion of said end without cause this sprinkler to sink.
• connection sleeve 18 is molded in a mold different from that of the diffuser cap 1, there is no disadvantage in making the wall of this sleeve with a thickness greater than that of the wall of the nozzle 8, in order to obtain the optimal mechanical characteristics.
• annular opening (26) is formed around the nozzle (17) of the valve to allow the passage of the filling fluid under pressure from the container, by means of a filling head ( 27), the sleeve 18, comprises an outer skirt (22) surrounding its end (18b) adjacent to the valve (16) and determining an annular space
• the free edge (25) of the skirt (22) is adapted so as to be able to press in a sealed manner around the annular opening (26) to limit the displacement of the nozzle (17) of the valve towards the 'interior thereof and allow the passage of the filling fluid in the opening (26).
• connection sleeve (18) can be adapted to perform a multitude of functions.
• valve nozzle 17 When its end 19b is fixed to the valve nozzle 17, the valve can either be actuated by a downward push exerted on the shoulder 28, at the 9 by means of a part suitable for this purpose, or actuate the valve by a lateral thrust exerted on the outer surface of the sleeve 18 (in the case of a pivoting valve).
• the internal channel 20 of the sleeve 18 can be relatively wide in all cases where it is desired to obtain a high spraying speed. However, the upper part 20a of this channel can be narrowed to obtain specific spraying or dispersion characteristics.
• the upper part 18a of the sleeve has a recess 19 which can receive a multitude of different additional actuating devices.
• this évide ⁇ ment 19a_ can be adapted to receive the nozzle of the valve of another pressure vessel. In this case, it is possible to fill the first container from another container.
• Diffuser caps like the one shown in Figure 1, can be easily mounted on the valve, since the end 8a. of their nozzle 8 is adapted to allow a sealed socket with the recess 19a of the connection sleeve 18.
• connection and pivoting zone is relatively distant from the sensitive zone of the valve, so that the harmful effect due to any defect in alignment between the nozzle 8 and the sleeve 18 decreases with increasing length of the sleeve.
• the increase in the length of the sleeve 18 also has the advantage that it reduces the length of the axial nozzle 8 of the diffuser cap, which makes it possible to obtain the optimal molding conditions for this diffuser cap.
• the thickness of the wall of the nozzle 8 is equal to that of the other walls of the diffuser cap, the cooling times are considerably reduced compared to the case of conventional devices.
• the dome 14 of the containers can have a variable height, it has hitherto been necessary to produce as many different molds for the diffusing caps as there are different heights for the aforementioned dome.
• diffusers caps pre ⁇ feeling a short nozzle 8 and of constant length, adaptable to all containers by means of connection sleeves 18 of variable length, can be made.
• These can be molded in molds of very simple construction, since these sleeves are constituted by
• OMFI 11 a body of revolution.
• the channel 20 of the sleeve 18 and the channel 9 of the nozzle 8 are relatively short, it is possible, thanks to the invention, to reduce the diameter of the molding rods used to make these channels . It is thus possible to reduce the "dead volume" of these channels by more than 50%, which makes it possible to increase the diffusion performance of the assembly constituted by the control button, the nozzle and the connection sleeve.
• the nozzle 8 instead of having a male end piece may include a female connector which can be adapted to a complementary male fitting formed on the adjacent end of the sleeve.
• the end of the sleeve will have a male connector.
• the invention does not only apply to diffusing caps but also to all valve actuating devices for pressurized containers which include a control button provided with a nozzle intended to be connected to the valve.

Applications Claiming Priority (2)

Publications (1)

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ID=9284935

Family Applications (1)

Country Status (10)

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Family Cites Families (3)

• 1983
  • 1983-01-14 FR FR8300519A patent/FR2539330B1/fr not_active Expired
• 1984
  • 1984-01-11 ZA ZA84221A patent/ZA84221B/xx unknown
  • 1984-01-12 DE DE8400769U patent/DE8400769U1/de not_active Expired
  • 1984-01-13 EP EP84900395A patent/EP0131596A1/fr not_active Withdrawn
  • 1984-01-13 JP JP59500485A patent/JPS60500209A/ja active Pending
  • 1984-01-13 BR BR8404704A patent/BR8404704A/pt unknown
  • 1984-01-13 ES ES528844A patent/ES8501256A1/es not_active Expired
  • 1984-01-13 WO PCT/FR1984/000010 patent/WO1984002695A1/fr not_active Application Discontinuation
  • 1984-01-13 AU AU24161/84A patent/AU2416184A/en not_active Abandoned
  • 1984-01-13 IT IT19152/84A patent/IT1173026B/it active

Non-Patent Citations (1)

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