DE1482675A1 - Dispenser for liquids - Google Patents

Description

Dispenser for liquids

The invention relates to the dispenser of liquid substances, such as milk, creams, jellies and pastes with a pressure that is above atmospheric pressure, and relates in particular to atomizers for perfumes, detergents, facial tonics and the like and dispensers for toothpaste, beauty creams and jellies, shaving creams and other cosmetics and dispensers and atomizers for care products, sanitary and pharmaceutical products, dietetic foods and foods and the like.

Bs are output devices or dispensers of different kinds for the listed substances known, but they are too expensive and generally impractical because they are not refillable, among others, by the user, Me Most of these devices require gases that are either mixed with the dispensed substances are or

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■ it is in contact with them or a plunger in one Press the cylinder filled with the material to be dispensed or compress a deformable pocket containing the substance. Other known dispensing devices use the pressure of a spring to actuate a piston that moves the fabric towards a cylinder pushes a dispensing orifice controlled by a valve. Still others consist of a suction and Pressure pump that is cumbersome and relatively prone to failure. If the substance is to be atomized, this is only done properly at a certain minimum pressure, which is not guaranteed in the various known devices.

The invention has the task of providing a device for dispensing liquid substances under pressure. admit, the device being robust, simple, cheap and user refillable.

The device aar dispensing of liquid substances with a certain minimum pressure, which is above atmospheric air pressure, is designed according to the invention as a compressible, removable container, the Entleeruingsöff-

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The output is controlled by a dispensing valve, which is normally controlled by means of its actuating element Is held in the closed position, and by pressure means, which are at least suitable during the dispensing of the substance, a compression pressure on the container to exert at least the certain minimum pressure Surface unit corresponds.

The collapsible container can be more advantageous Way be designed as a bellows and the actuator of the valve can be axially movable, including the valve to open against the direction of compression of the container.

The RUckstelladttel of the actuator can from a to the minimum output pressure of a divisible or set spring exist * with the container in a housing with Movable bottom is housed, which rests against the wall of the container, while the upper end of the container is fixed is connected to the actuator of the valve, and that Valve at the top. fixed in such a way that it can be moved freely with it * The container can also be housed in a housing with a movable base, which rests against the wall of the container and is constantly under

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the action of a spring is supported on the solid bottom of the housing and presses the movable bottom in sight on the upper part of the housing with a force that corresponds to at least the minimum output pressure per surface unit when the container is completely flat, with the on valve body attached to the upper end of the container is firmly connected to the upper part of the housing and the actuator Aea valve emerges from the housing.

The actuator of the valve can be an outflow channel have for the substance contained in the container and be formed in one piece with a dispensing head, the serves as a counter bearing when compressing the container and be provided with an atomizer nozzle or the like can.

An essential advantage of the invention is that it is filled or to be filled with a substance to be dispensed. to ~ - has squeezable containers that can be easily refilled. The containers can be easily and cheaply made from plastic or thin metal. In those cases where the reload container is supplied by the manufacturer

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filled with the substance to be dispensed; are "can be protected this up to the moment of the actuation of the device before hui tzutritt, vas volatile particularly in sterile" .sid substances is advantageous

The invention is explained in more detail on the basis of exemplary embodiments explained. In the attached drawings shows:

Fig. 1 is a partially sectioned schematic View of a fluid atomizer according to the invention in the cow division;

Pig. 2 is a view similar to Pig * 1, which is the atomizer shows in the actuated position;

Pig. 3 is a schematic, shown partially in section View of another nebulizer according to the invention;

Pig «4 has a similar view to Pig. 3 »the the atomizer shows in the actuated position;

Pig »5 is a partially sectioned schematic view of an atomizer according to a further embodiment of the invention and

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Pig. 6 is a schematic sectional teilveise illustrated view of a variant of the sprayer according to Pig. 1.

The one in Pig. The device shown in FIGS. 1 and 2 has a tubular metal housing 1 on which a cover 2 is fastened by three bayonet locks 3, which are each formed by a projection of the housing 1 and a recess in the cover 2. Above the cover 2 sits a rappe 4 which, when the atomizer is not in use, protects the atomizer head 5 with the atomizer nozzle 6, which sits on the actuating shaft 7 of a valve 8 inserted in the middle of the cover 2. The valve 8 opens when the actuating shaft 7 is depressed axially. However, this valve can also be designed in such a way that it opens under the action of a twist resulting from a pressure exerted laterally or at an angle on the actuator. For the embodiment shown, it is of no importance which of the known types of valve are used.

Inside the housing 1 is a substance to be atomized Containing container 9, which is designed as a tubular bellows, screwed onto the body of the valve 8 in a sealing manner

The bottom of the container 9 rests on a pressure plate 10 which

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is under the action of a spring 11, which is on the ground of the Sehäuses 1 is supported to the container 9 in sighting to be able to compress the valve 8.

Near its opening, the housing 1 has a constriction 12 which is intended to prevent that the pressure plate is pushed out 10 of the spring 11 out of the housing 1 when it is opened to take out to the tank 9 to refill the device when the container 9 is compressed completely flat, the spring 11 can, for example, still exert a force which corresponds approximately to a pressure of 3 kg / cm of the substance inside the container 9.

In order to use the atomizer, it is sufficient to remove the lid 2 to be removed from the housing 1, a container 9 filled with the liquid to be atomized is placed on the valve 8 unscrew the spring 11 by pushing in the To push the container 9 back into the housing 1, to fasten the cover 2 again on the opening of the housing 1 and with to press a finger 13 on the atomizer head 5, wherein the housing 1 is held in the hand or rests on a base 14 (FIG. 2).

In the embodiment according to FIG. 3, the bottom of the container rests

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ters 9 directly on the ground, the housing 1 and the Valve 8 sits on the collar of the container 9. The atomizer head 5, which consists of a plastic, ends with it a flange 15 »with slight friction on the inside ·» Surface of the housing 1 slides »that it holds. The atomizer head 5 is covered by a decorative cap 16 made of metal, which is provided with a hole opposite the atomizing nozzle 6.

In the valve 8 shown in FIGS. 3 and 4, the actuating shaft is 7 for opening the valve is formed in one piece with the atomizer head 2, but is also used for this embodiment any other push-in valve is suitable provided it opens only when the the container 9 pressing against the bottom of the housing 1 actuating shaft exerts a pressure, for example a Pressure of the substance contained in the container 9 can correspond to at least about 4 kg / cm.

In the variant shown in FIG. 4, the housing 1 slides in the decorative cap 16, the gentle friction preventing the housing 1 from sliding out in a known manner is ensured by small beads 17. Here the container is simply on a sealing, conical push-in end

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of the valve 8 attached. It can be refilled by the user at will, vährend uer container of the device according to Fig filled. 3 and is supplied together with its valve from the manufacturer, which excludes any contamination of the contents,

The atomizers of Figures 3 and 4 are used as is is shown in FIG. The atomizer is taken between thumb and forefinger 13 or 18, with the one on the atomizer head 2 and the other under the bottom of the housing 1. For atomizing the contained in the container 9 Liquid opens the valve 8 only when the pressure inside the container for proper atomization sufficient, d. H. in the illustrated known atomizer nozzle 6 with a swirl effect at a pressure of at least 4 kg / cm.

In the nebulizer shown in Fig. 5, the container is 9 just press on the body of the ». Valve 8 screwed on, the actuating shaft 7 of which is seated in the atomizer head 2. The decorative cap 16 is held by a mounting part 19 which calibrates the beam when it is dispensed.

Puncture and use of this spray device are the same

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Chen vie with the atomizers according to Fig. 3 and 4, vobei one Fingers or the thumb lies directly on the bottom of the container 9.

To push in the opening shaft 7 of the valve 8 he » The necessary force is provided by the closing spring 20 of the valve and is determined by the type of distribution desired, such as atomization or more or less strong and thick jet as well as the more or less large ions are at least the ones to be sprayed adapted to liquid substance.

The apparatus shown in Fig. 6 veist rohrförraiges a metal housing 1 _f to which a lid 2 is screwed on, fits over a cap 4, a spray head 5 protects when not in use with vortex effect atomization nozzle 6. The operating shaft 7 of the valve 8 is formed integrally with the head 5 and slides freely in egg) ner axial opening of the lid 2. The valve 8 is a per se known pressure valve and can beispielsveise by the company aerosol .research Company under the trade name Separate "AR 74" related * The valve 8 is inserted into a stopper 21, in the center of which the neck of a bellows container 9 is screwed in a sealing manner. The container 9 is constantly under the pressure of a spring 11 which is transmitted to it by a Zviselenplatte 10.

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This embodiment is very similar to that shown in FIGS. 1 and 2, from which it differs essentially in that the valve can slide freely in the cover 2. Venn the pressure exerted by the spring 11 is weaker than the counteracting pressure that is required to make the opening of the valve 8 by pushing down the head 5 to ensure against the action of the valve spring 20, the valve 8 does not open, but is due to its pressed free mobility into the interior of the housing 1, pulling the spring 11 back until the head 5 strikes the cover 2 .

On the other hand, under normal conditions, i. i.e. when the The pressure exerted on the spring 11 is greater than that of the spring 2Ö the pressure opposite to the depression of the head 5, the valve 8 remains under the action of the spring 11 against depressed the lid 2 and opens under the force of the depressed head 5.

This device thus ensures functional reliability if the spring is covered or damaged 11

The invention is not restricted to the exemplary embodiments described and illustrated; rather, the specialist

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man given the opportunity to implement further variants within the framework of the invention. For example, the spring 11 can be replaced by any other gate direction that can exert a corresponding pressure on the container 9, in particular a pneumatic device. The atomizer head 5 can be replaced by a simple dispenser head, which the substance either in the form of a jet or dispenses drop by drop »

The invention includes everything that is contained in the description and / or shown in the drawing is, including what deviates from the specific exemplary embodiments, is obvious to a person skilled in the art

Patent claims:

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Claims (9)

Berlin, August 27, 1965 E j e c t ο r e t S. A., Senf (Switzerland) Patent claims: 1. Device for dispensing liquid substances with a certain Minimum pressure that is above atmospheric pressure is characterized by a compressible, removable ■ '■ j Baren liquid container '(■ $), whose emptying opening is controlled by a dispensing valve (8), which is normally held in the closed position by restoring means of its actuator (7) and by pressure means that are suitable at least during the dispensing of the substance a compression pressure on the Exercise container (9), which corresponds to at least the certain minimum pressure per surface unit. 2. Apparatus according to claim 1, characterized in that the container (9) is designed as a tubular PaHanbal ^ is. 3. Apparatus according to claim 1 and 2, characterized! 90 9 829/00 7 1 that the actuator (7) of the valve (8) is axially movable / is to move the valve in the direction of the rompriraierungsrichtung of the container (9) in the opposite direction to open. 4. Apparatus according to claim 3, characterized in that the restoring means of the actuating member (7) of the valve (8) on a spring (20) set to the minimum output pressure of the container (S) is best. 5. Apparatus according to claim 4, characterized in that the container (9) is housed in a housing (1) with movable »bottom, which rests against the wall of the container» while the obex-e end of the container (9) is fixed with the actuator (7) of the valve (8) is connected and the valve is attached to the upper end of the container so that it is movable together with this, 6. Device according to one of claims 1 to 4 _r, characterized in that the container (9) is housed in a housing (1) with a movable base (10) which rests against the wall of the container and constantly the action of a Spring (11) is exposed, which is supported on the fixed bottom of the container and pushes the movable bottom (10) upwards with respect to the housing (i), namely rait 909829/0071 a craft »which per surface unit at least the minimum output pressure corresponds, -renn the container (9) completely is compressed flat with the body of the valve (8) attached to the top of the container tight is connected to the upper part of the housing (1) and the Actuating member (7) of the valve emerges from the housing. 7. Device according to claim 6, characterized in that the valve (8) is detachably connected to the upper part (2) of the housing (1) and the upper part of the housing on the one hand as a stop for the spring-loaded valve body and on the other hand serves as a stop for the actuating head (5) of the valve (8) to prevent the valve from opening when the The pressure exerted by the spring (113 on the container (9)) is less than the counteracting resistance of the closing spring (20) of the valve is. 8. Apparatus according to claim 4 or 5, characterized in that the actuating member (7) of the valve (8) has an AusstrSmkanal £ Vcc the substance contained in the Behäl »r (9) and is integrally formed with a dispensing head which is used as a Gogan bearing is used for pressing the container with 2 & saraai. 9. Apparatus according to claim 8, characterized «that the 909829/0071 . ^BAD ° KtGlNAl * away Actuating element (7) of the valve (8) rides an atomizer nozzle (6) is firmly connected. Pd / Ho - 17 056/57 909829/007 1