DE2017878A1 - Valve for atomizing liquid products under pressure - Google Patents

Description

The invention relates to a valve for atomizing or distributing liquid and / or paste-like products contained in a container under pressure, consisting of a cover capsule, a valve body and a dip tube. The invention· . refers vorzugsweise'auf the field of perfume and cosmetics industry, are very often often used in which a known valves for the distribution or atomization of liquid products under pressure and * The invention is concerned with certain improvements in custody eolehen valve mechanisms | di * significantly increase their application possibilities.

009844/0114

'ORlGlNALiINSPECTED

A 38 105 m

September 9, 197O ^ - sr

Most of these valves or those associated with these valves Arrangements that are commercially available are used to deliver the product in the form of an aerosol, i.e. as a fine mist atomize or distribute, but at least in the form of very small droplets. As a liquid product come in this context for example perfume waters such as eau de cologne, eau de toilette, perfume, sanitizing or soothing waters for the skin and the like in question. These products are in a container which is closed with a valve or with a valve head, namely the products are mixed with a propellant, which is very often a liquefied gas, for example butane or one of the gases known under the name Freon. You get in this context, however, only a satisfactory one Atomization when the product and the propellant are compatible, i.e. have properties that are not mutually exclusive interfere, and if, in addition, both the product and the propellant are miscible with one another under operating conditions, in order to achieve a homogeneous one to form stable mixture.

It is therefore not always possible, even not even desirable, to mix a propellant with a product to be atomized. "The main object or the aim of the invention is thus to be seen" to improve the valve types described above to such an extent that they can be used in the same way for the atomization under pressure of a product not mixed with a propellant, the propellant being enclosed inside the container in a certain delimited volume. The bsw improved in this way. Modified valves have the greatest possible applications in the "field of perfume production. Cosmetics, but also in pharmaceutical and drug-dealing areas"

ORIGiWÄL INSPECTED

A 38 105 m
a - 123
9 * ^. 1970.

A further object of the invention is to be seen in valves of the known type simply by adding one as possible to improve only a small number of parts, being these parts can be produced economically and in large series can..

Furthermore, the invention is still based on the object, to be sure to arrive at an improved design by adding further elements to a type of valve known per se, that however, the new elements can simply be removed again, so that the valve returns to its initial state very quickly can be restored to an original purpose serve if one so wishes.

The invention is thus based on a valve for atomization or distribution of liquid and / or pasty in one Containers contained products under bridge, consisting of a cover capsule, a valve body and a dip tube and is to solve the above-mentioned objects in that a see extending around a part of at least the valve body and enclosed with the outer surface of the valve body, intended for receiving a liquid propellant fluid Volume-forming wall is provided that the wall with the upper and lower part of the valve body or a part belonging to this is sealingly connected, that the wall with one of the volume into the interior of the container Opening valve flap is provided that the whole thing goes inside a container is insertable, and that the propellant fluid is preferably in the gaseous state from the closed volume into the Step over the inside of the container by lifting the valve flap can*

0 0.9844 / 01 U

ORiGlNAL INSPECTED

9.4.1970

Further advantages and properties of the present invention emerge from the following description, in which, based on the figures, the structure and mode of operation of exemplary embodiments the invention will be explained in more detail. It shows. '

Fig. 1 as a partial section through a central axis of a container with an improved Valve an embodiment of the invention,

Fig. 2 is a further partial section, also

along a central axis of a container with another embodiment of an improved valve according to the invention j

Figures 3-6 are enlarged detailed views

of four embodiments of a valve flap forming part of the invention,

7, 8 and 9 are partial sections of three exemplary embodiments another part of valves according to the invention.

In Fig. 1, the per se known, necessary for a valve parts are now shown, the valve in general is provided with the reference number 1. This valve 1 consists of a, placed on a container 3 and through Flanging with this connected capsule or cover part 2

0098U / 01U

ORIGINAL j INSPECTED

A 38 105
a- 123
9.4.1970

from a valve body 4, and from a dip tube 5 »which pressed into the lower part of the valve body 4 with the application of pressure and extends to the bottom of the container 3.

In the valve body 4, a plunger 6 is mounted, which is pressed by a spring T under tension upwards. Of the The upper part of the plunger 6 is designed and forms a Channel 8 into which a radial hole 9 opens. At rest this hole is through a rubber seal 10, which is introduced at the lower part of the capsule 2 and the piston 6 is elastic locked, enclosed. In addition, further explanations are provided for details of this known type of valve 1 apart.

If you do not use the plunger 6 in'der Fig. 1 depicted pushers or push button down, then the product in the container 3 is through the driven out in the same prevailing pressure, it rises in the tube 5 upwards, flows through the valve body 4 and arrives finally through the radial hole 9 and the channel 8 after Outside. ,

According to the invention, a wall 11 is now provided which extends around the largest part of the valve body 4 and encloses a closed volume 12 with its surface is connected to the upper part of the valve body 4, by means of an annular, outwardly extending flange 13 which is inserted into the capsule, and between the latter and the upper edge of the container 3 is clamped and secured

009844 / 01U

ORiGiNALiNSPECTED

A 38 105 m
a - 123
9 · * ». 1970

is. In this way the flange 13, thanks to the capsule 2 and further conventional sealing means connected to the upper part of the valve body 4 in a tight, impenetrable manner.

In the same sealed impenetrable manner, the wall 11 with the lower part of the valve body 4 or more precisely connected to the immersion tube 5, which in this context is to be regarded as part of the valve body 4. To this end the wall 11 is provided at the bottom with an end base 14, which has an opening through which the tube 5 is inserted is under such tension that it is sufficient to make the implementation tight or impenetrable.

In this context, the immersion tube 5 is an extension of the valve body 4, so that the wall 11 is just as well, as shown in Fig. 1, also uff'den lower part of the Immersion tube 5 can close. The wall 11 is light in the illustrated Form as a tubular section with an outer flange 13 and a drilled bottom 14 made of plastic or Manufacture synthetic resin in a single piece by means of a pressing or casting process.

The wall 11 is generally with a type of flap or with a with 15 designated flap valve, which extends from the enclosed volume 12 in the direction of the interior of the container 3 opens. In the case of Fig. 1, the flap valve 15 consists of an opening or a hole -1-6, which has been drilled into the wall and consists of a ring made of elastic material, for example rubber, 17 » which opposite the hole 16 and around the tubular wall 11 is arranged.

009844/0114

ORlGiNAL INSPECTED

A 38 105 m

a - 123 ./■■.■■

9.4.1970 ψ -JT-

This ring 17 is in its upper part with an annular, s ^ ch outwardly extending flange 18 is provided, which is also is inserted into the capsule 2. The flange 18 rests directly on the upper edge of the container 3. He in turn wears the Flange 13 of tubular wall 11, on which in turn a seal, for example made of rubber, is placed.

The wall 11 is intended in the interior of the completed Volume 12 to contain or receive a propellant, namely the liquid phase of a suitable, liquefied gas.

This gas then partially evaporates and its vapor or Steam pressure then lifts the ring 17 of the flap valve 15. It finally passes through the hole 16 into the interior of the container 3, in which it expands until a pressure equilibrium is created there. As soon as you then depress the piston 6, is the product in the container 3 by the pressure driven outside, 'at the same time takes place in the volume 12 a new evaporation of gas, which in turn exits through the flap valve 15.

In this way, the product in the container 3 through the gaseous phase of the propellant is driven out, but it is never in contact with the liquid phase. So there that Propellant is actually stored in its liquid state in the interior of the wall 11, it also has only a reduced Requires space, so it only takes up a smaller volume. It then evaporates depending on the needs.

In this way it is no longer necessary that the liquid Propellant and the product represent two bodies that can form a homogeneous, stable mixture. It is only necessary

009844/0114

A 38 105 m
a - 123
9.4.1970

agile that the gaseous phase of the propellant cannot easily dissolve in the product, because in this Trap would quickly evaporate the entire liquid phase, and depending on how fast or how at all the dissolution of the gaseous phase takes place.

One can now also see an important advantage made possible by the invention. The valve 1 described above is of the type known per se, which can be used for ejecting or atomizing a homogeneous mixture of product and liquefied propellant. It is therefore only necessary: _s at the moment of use to add the tubular part 11, which is provided with a hole 16 and a ring 17, so that the valve 1 improved in this way can be used to atomize a product outside.zu bring, which is constantly separated from the liquid phase of the propellant. In this way, no change whatsoever is necessary on the container itself. Nor does any change need to be made to the valve 1, because if the tubular part 11 and the ring 17 are removed, the valve can again serve its original purpose.

If, in the case of FIG. 1, the container 3 has been filled up to a level by means of a product to be sprayed, then a certain amount of a propellant is poured into the tubular part 11 which is already connected to the immersion tube 5, or this is filled with it. Finally, the assembly of the valve 1 improved in this way is ended and the capsule 2 is connected to the container 3 by flanging or folding.

In Fig. 2 is a valve IA as a further embodiment

0098U / 01U '

A 38 105 m
a - 123
9.4.1970

shown which is improved according to the invention and which can be filled under pressure. In this embodiment the parts that are similar or identical to those of the valve 1 are provided with the same reference numerals.

In the valve body ¹ J is located at a distance L from the lower surface of the plunger 6 removed an opening or passage 19 which can be closed by said piston. 6 Furthermore, the rubber seal located in the capsule 2 and located above the flange 13 is provided with an apron-shaped extension or with a downwardly pointing annular part 20 which surrounds the upper part of the valve body 4. Under the apron-shaped extension 20 is one. Lateral opening 21 is provided so that the apron-shaped extension 20 in connection with this opening 21 plays the role of a flap valve which can open towards the inside of the tubular part 11. After filling the container 3 with the product in this embodiment and has placed the valve IA thereon and firmly connected it by flanging, one can proceed to fill the tubular part 11 with liquid gas. For this purpose, the piston 6 is pressed down a distance L so that it closes the opening or the passage 19; the liquid phase of the propellant is then injected through the channel 8 under pressure. This propellant lifts the apron-shaped part 20 and fills the tubular part. After this filling process, a pressure prevails in the volume 12 during the entire service life of the container 3, which presses the apron-shaped extension 20 or the part covering the opening 21 against it and also makes it impossible for the propellant to escape.

A 38 105 m
a - 123
9Λ. 1970

lent. Likewise, any access of the product, which rises through the immersion tube 5 and the valve body H during each actuation step, into the volume 12 is made impossible as a result of the overpressure prevailing therein.

In the embodiment of FIG. 2, the upper part of the plunger is 6 is provided with an actuating pressure part 22. The displacement that these latter perform with respect to the capsule 2 can, is set to a V.'ert 1, x ^ elcher less than the distance L, so that in this way in normal operation of the plunger 6, the opening 19 cannot be closed or covered.

It should be pointed out that in this case too, the valve IA represents a conventional, so-called metering valve, which is filled under pressure and which, due to the improvements brought about by the invention, opens up new application possibilities, namely by simply adding, as above already stated, a tubular part 11 which is provided with a flap valve 15, this arrangement being suitable for being introduced through the opening of a container 3. 7, 8 and 9 show further possible embodiments of the tubular part 11 and examples of contouring in connection with a valve body. In all three cases, the tubular part surrounding the valve body 4 is closed off ^{by a bottom part I 1 J.} In the exemplary embodiments of FIGS. 7 and 8, starting from the bottom part, a sleeve or an inner socket * J0 is provided, which is pierced by a channel 31 from one end to the other. In FIG. 7, the free end of the connecting piece 30 has a reduced diameter so that it fits exactly into the lower opening of the valve body.

. 009844 / 01H. · '

INSPECTED

A 38 105 m
a - 123
9th ^. 1970

In FIG. 8, the free end of the connecting piece 30 has an enlarged one Bore on so that the lower part of the valve body 4 can fit exactly into the nozzle.

In both FIGS. 7 and 8, the dip tube 5 is in the channel 31 introduced, which is slightly enlarged in its lower part.

In the embodiment of FIG. 9, the height of the connecting piece 30 is drastically reduced, ie it hardly represents more than a reinforcement of the base 11. This reinforcement of the base is provided with an opening such that the lower part of the valve body k . Fits exactly into this and still extends outside of the tubular part 11. The immersion tube 5 is then let into the valve body k.

The exemplary embodiments of FIGS. 7, 8 and 9 have further advantages. In the exemplary embodiments of FIGS. 1 and 2, the immersion tube 5 runs completely through the bottom part 1 * 1 of the tubular part 11. In fact, however, this immersion tube 5 often has an outer, dentilh irregular surface which is elongated during the erection or spraying process grooves is provided -... These grooves cause leakage of the liquid phase of the propellant, which ^ is included iii the tubular part 11 Further, the dip tube 15 must pass through the Eodenteil Ik "and are then adjusted in the lower part of the valve body 4 and used . This double assembly of the tube 5 is not easy to produce with an automatic assembly machine; so that simple assembly would be preferable for a machine to be made to assemble the parts. In FIGS. 7, 8 and 9, the part 11 with the valve body 4

9-844 / 0114 _ßAD

A 38 105 m
a - 123
9.4.1970

and the immersion tube 5 is connected either to the part 11 (see FIGS. 7 and 8) or to the valve body k (see the Pig. 9). The double connection or the double assembly is suppressed in this way and replaced by a simple assembly.

Thanks to the invention, valves that could previously only be used for the atomization or distribution of products can thus are miscible with a liquid propellant, quickly modified or changed to such an extent that they are also subject to atomization of products which cannot be mixed with a liquid propellant. These products can be a liquid, a paste, a foam or something else.

Furthermore, the flap valve 15, which is not defined by the invention, can also be realized in other ways. The exemplary embodiments of FIGS. 3 and 6 show variations of such a flap valve.

In Fig. 3, the rubber ring 17 opposite the hole 16 has a, hemispherical projection 23, which fits very well on the hole edges.

In Fig. K a circular groove 2k is provided in the wall 11, the hole 16 is drilled in the bottom of this groove 2k. The ring 17 tyeist an inner bulge 25 which is designed so that / comes into contact with the edges of the groove or the recess 2 k and rests on them.

In FIG. 5, a ring 26 made of metal is connected to the outer surface of the wall 11. This ring 26 has an elastic ilebel part 27, which extends in an elongated direction extends to opposite the hole 16. The opposite of hole 16

ORIGINAL INSPECTED

A 38 105 m
a - 123
9.4.1970

overlying part of the lever is provided with a bulge 28, which plays the role of a cover for the hole 16.

Finally, in FIG. 6 this is drilled into the wall 11 Hole 16 outwardly from a conical, outwardly extending Surrounding part 29, which eventually ends in an annular area of very small size. The lower soft part of a Ring 17 made of rubber acts with this annular surface together and plays the role of a flap.

Of course, others are within the scope of the invention Embodiments that do not necessarily have to correspond to the examples shown are possible

0008 4 4/0114

Claims (1)

A 38 105 m a - 123
9 ". 4.1970 Claims before Valve for atomizing or distributing liquid and / or pasty products contained in a container under pressure, consisting of a cover capsule, a valve body and an immersion tube, characterized in that one around part of at least the valve body. (H) sichjerstreckenden and forming with the outer surface of the valve body ⁽¹ O a closed, intended for containing a liquid propellant fluid volume (12) wall (11) is provided, DAFL the wall with the upper and the lower part of the valve body or a to this belonging part (5) is sealingly connected, that the wall (11) is provided with a valve flap (15) opening out of the volume (12) into the container interior, that the whole can be introduced into the interior of a container (3) , and that the propellant fluid, preferably in the gaseous state, can pass from the closed volume (12) into the interior of the container (3) by lifting the valve flap (15). 2. Valve according to claim 1, characterized in that a substantial part of the valve body ( ¹ I) is surrounded by a sleeve (11) fixedly connected to it at one end, that the other end of the sleeve by a bottom part (I ¹ I) is completed that there is a bore in the bottom part through which the immersion tube (5) extends in a sealed manner to the bottom of the container (3), that the closed ', volume (12) of this sleeve (11) and the valve body ( ¹ O is formed and aß dl © Ventilk.Oappe (15) is in the sleeve (11), 009844/01 H ■ " ORIGINAL INSPECTED A 38 105 m ^a 123 ^ p 9.4.1970 "■ _ ■ - ■ - v> r - ■■ 3. Valve according to claim 1, characterized in that the closed volume (12) through a part of at least the outer surface of the valve body and through one with its upper end by means of an annular outer flange (13) in the cover capsule (2) and introduced the upper edge of the container (3) resting, ^ tubular part (11) is formed that the lower part (I ¹ I) of the tubular part is provided with an opening that the sealed immersion tube (5) extends through this opening and that the valve flap (15) is preferably located in the side wall of the tubular part (11). , 4. Valve according to one or more of claims 1-3, characterized in that the valve body (H) is a fillable under pressure and with a lateral opening (21) provided arrangement that the opening (21) is in the interior of the Closed volume (12) opening valve flap (20) is assigned that the valve body (4) has a plunger (6) assigned to a flow opening (19) within the valve body, that the plunger (6) above the cover capsule (2) with a Pressure part (22) can be connected, and that the free path of the pressure part with respect to the cover capsule is less than the path length of the plunger (6) between its outermost seat and the flow opening (19). 5. Valve according to one of Claims 1 - H, characterized in that the valve flap (15) consists of a hole (16) drilled in the wall (11) and a ring made of elastic material (17 ) consists. 009844 / 01U ORIGI MAL INSPECTED τ- A 38 105 m
a - 123
9.4.1970 6. Valve according to claim 5, characterized in that the elastic Ring (17) opposite the hole (16) with a projection (23) resting against the edges of the hole (16) is provided. 7. Valve according to claim 5, characterized in that an annular hat (2 * 1) is milled into the outer surface of the wall (11) is that at the bottom of the groove a hole (16) through the wall (11) is provided and that opposite the groove (24) a ring (17) made of elastic material around the i -. 'Application (11) is wrapped around and that the ring has an inner bulge (25) which with the edges of the groove (24) in connection stands. 8. Valve according to claim 5, characterized in that the valve flap (15) consists of a hole drilled through the wall (11) that a ring (26) on the outer surface of the wall (11) is attached that an elastic lever (27) extends from the ring, the free end of which is opposite the. Hole (16) is provided with a closure part (28). 9. Valve according to one of claims 5-7, characterized in that the ring (17) made of elastic material on his upper end is equipped with an annular outer flange (18), v / which fits into the cover capsule (2) between: " the upper edge of the container (3) and the annular flange (13) of the tubular part (11). 10. Valve according to one of claims 5, 6, 8 and 9, characterized in that that the hole (16) provided in the wall (11) is provided from the outside with a raised conical part (29), 0098U / 01U ORIGINAL INSPECTED A 38 105 m
a - 123
9.4.1970. which in an annular surface of very small extent ends. 11. Valve according to claim 1, characterized in that the Valve body (*}) sealed by the lower part of the basin (l4) the wall (11) extends. . 12. Valve according to claim 1 and / or 2, characterized in that that from the lower cover part (1.4). the wall (11) a The sleeve (30) extends upwards into the interior of the wall (11), that the free end of this sleeve is connected to the valve body (4) and a channel (31) to extend the lower Has opening of the valve and that the immersion tube (5) is introduced irr the lower part of the channel (31) (Fig. 7). ORIGINALINSPECTED 009844/01 U ---