U.S. patent application number 11/695392 was filed with the patent office on 2007-10-04 for dosing valve and device for the output of a preferably cosmetic liquid.
This patent application is currently assigned to SEAQUIST PERFECT DISPENSING GMBH. Invention is credited to Swen Barenhoff, Bernhard Jasper.
Application Number | 20070228082 11/695392 |
Document ID | / |
Family ID | 38222074 |
Filed Date | 2007-10-04 |
United States Patent
Application |
20070228082 |
Kind Code |
A1 |
Jasper; Bernhard ; et
al. |
October 4, 2007 |
DOSING VALVE AND DEVICE FOR THE OUTPUT OF A PREFERABLY COSMETIC
LIQUID
Abstract
Proposed are a dosing valve and a device provided therewith for
the dosed output of a preferably cosmetic liquid. The dosing valve
is designed for pressurized filling between a cap and the dosing
valve. In order to increase the dosing volume in a simple manner,
an additional container connected to the dosing chamber of the
dosing valve is provided which is disposed on the valve housing
spaced away from the cap and/or has a section with an outer contour
which tapers toward the cap.
Inventors: |
Jasper; Bernhard; (Waltrop,
DE) ; Barenhoff; Swen; (Bonen, DE) |
Correspondence
Address: |
SHERIDAN ROSS P C
SUITE 1200
1560 BROADWAY
DENVER
CO
80202
US
|
Assignee: |
SEAQUIST PERFECT DISPENSING
GMBH
HildebrandstraBe 20
Dortmund
DE
44319
|
Family ID: |
38222074 |
Appl. No.: |
11/695392 |
Filed: |
April 2, 2007 |
Current U.S.
Class: |
222/402.1 ;
222/402.2 |
Current CPC
Class: |
B65D 83/54 20130101 |
Class at
Publication: |
222/402.1 ;
222/402.2 |
International
Class: |
B65D 83/00 20060101
B65D083/00 |
Foreign Application Data
Date |
Code |
Application Number |
Jun 30, 2006 |
DE |
10 2006 030 741.0 |
Apr 4, 2006 |
DE |
10 2006 016 064.9 |
Claims
1. Dosing valve for the dosed output of a preferably cosmetic
liquid under pressure, with a valve housing which forms a dosing
chamber of the dosing valve, wherein the valve housing can be
supported on the outlet side onto a cap for pressure-tight
attachment to a container storing the liquid and wherein the dosing
valve is designed for pressurized filling, with the dosing valve
having a rigid additional container which is connected to the
dosing chamber and enlarges same.
2. Dosing valve according to claim 1, wherein the additional
container is designed as a separate part.
3. Dosing valve according to claim 1, wherein the dosing valve has
at least one of the following: valve element, inlet valve or outlet
valve.
4. Dosing valve according to claim 1, wherein the additional
container is stuck, snapped or clamped onto the valve housing or
formed or injection-molded thereon.
5. Dosing valve according to claim 1, wherein the additional
container is connected inseparably to the valve housing,
particularly by means of welding, adhesion, press fit and/or form
fit.
6. Dosing valve according to claim 1, wherein the additional
container is designed in a single piece with the valve housing
and/or is injection-molded onto the valve housing.
7. Dosing valve according to claim 1, wherein the additional
container and/or the valve housing is/are designed to be at least
essentially rotationally symmetrical, cylindrical and/or
oblong.
8. Dosing valve according to claim 1, wherein the additional
container encloses, peripherally, cylindrically or radially, the
valve housing, an inlet port of the dosing valve and/or an
ascending duct which is adjacent thereto on the inlet side.
9. Dosing valve according to claim 1, wherein the additional
container is adjacent to the valve housing at the end of the valve
housing on the inlet side and/or the end of the valve housing
opposite the cap and extends away from the cap.
10. Dosing valve according to claim 1, wherein the additional
container is disposed or arranged only on the inlet side of the
valve housing and/or is spaced away from the cap.
11. Dosing valve according to claim 1, wherein the additional
container has a section with an outer contour which tapers to the
outlet-side end of the valve housing or toward the cap.
12. Dosing valve according to claim 1, wherein the additional
container has an ascending channel.
13. Dosing valve according to claim 12, wherein the ascending
channel is designed in an annular ring shape and/or is disposed
within the additional container.
14. Device for the dosed output of a preferably cosmetic liquid,
with a container that is sealed by a cap for the liquid and a
dosing valve which is attached to the cap, wherein the dosing valve
is designed for pressurized filling, wherein the dosing valve has a
valve housing with a dosing chamber for the dosing of the liquid,
wherein the dosing valve has a rigid additional container which is
connected to the valve housing in order to enlarge the dosing
chamber.
15. Device according to claim 14, wherein the container can be
filled or is filled by means of pressurized filling with the liquid
and/or a propellant, particularly gas.
16. Device according to claim 14, wherein the container contains
one of the following: hairspray, hair lacquer, deodorant, foam,
gel, color spray, sun protection agent, skincare agent, cleaning
agent, cosmetic agent, air improver, construction foam or adhesive
in the form of a liquid.
17. Method for the manufacture of a dosing valve which is designed
for pressurized filling, with a valve housing and an additional
container disposed thereon, wherein the method comprises the
following steps: preparation of the valve housing with a dosing
chamber formed therefrom for a liquid or a mixture of liquid and
propellant; preparation of an additional container; and connection
of the additional container with the valve housing or an inlet port
of the valve housing for enlarging the dosing chamber.
18. Method according to claim 17, wherein the additional container
is mounted onto the valve housing or the inlet port.
19. Method according to claim 17, wherein the additional container
is snapped onto the valve housing or the inlet port.
20. Method according to claim 17, wherein the additional container
is clamped onto the valve housing or the inlet port.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Technical Field
[0002] The present invention relates to a dosing valve for the
output of a preferably cosmetic liquid and a device with such a
dosing valve and a method for the manufacture of such a dosing
valve.
[0003] In the invention, the term "cosmetic liquid" is to be
understood in its narrower meaning as cosmetics, hairspray, hair
lacquer, a deodorant, a foam, a gel, a color spray, a sun or
skincare agent or the like. In a broader sense, however, other body
care products, cleaning products or the like, and even suspensions
and fluids, particularly with gaseous phases, are also included.
Moreover, other liquids, for example air improvers, and
particularly technical liquids and fluids as well, such as rust
removers or the like, can be used. Nevertheless, for purposes of
simplification and in keeping with the emphasized utilization, the
term "cosmetic liquid" is often the only one used in the
following.
[0004] In order to fill containers with a cosmetic liquid under
pressure, besides the so-called "undercup" method in which the
filling takes place by lifting off or prior to the placement of a
lid with a valve onto the container, i.e. before the final sealing
of the container while bypassing the valve, the so-called "pressure
filling" method is being used with increasing frequency, in which
the filling takes place past the valve or its valve housing between
the cap and an output-side seal element of the valve--optionally
through the valve as well. The present invention only relates to
such dosing valves designed for pressurized filling.
[0005] 2. Related Art
[0006] A device for the dosed output and atomization of a cosmetic
liquid is known from WO 2005/123542 A1 and WO 2005/123543 A1,
respectively. The device has a container which contains liquid and
is sealed with a cap. A dosing valve with a movable valve element
in a valve housing is allocated to the cap. Together with the valve
housing, the valve element forms an inlet valve and an outlet
valve. The valve element is preferably provided with a stuck-on
spray head or the like for the output and atomization of the
liquid. By pressing down on the spray head, the valve element is
moved axially, hence first closing the inlet valve and subsequently
opening the outlet valve. Then the liquid, which preferably
contains a propellant, can escape from a dosing chamber and is
atomized by the connected spray head and emitted. The dosing valve
or device is designed for pressurized filling.
[0007] U.S. Pat. No. 3,131,834 A discloses a device for the dosed
release and, particularly, atomization of a pressurized liquid from
a container via a dosing valve. However, the device or dosing valve
is not designed for pressurized filling. Instead, the pressure
valve is designed for filling using the "undercup method." The
dosing valve is held by a cap which seals the container. It has an
inner valve housing which is enclosed peripherally by an additional
dosing chamber that is bounded by an outer wall that reaches to the
cap.
[0008] There is a need for a dosing valve that allows particularly
for the enlargement of the dosing volume as needed while having a
simple, cost-effective design.
SUMMARY OF INVENTION
[0009] One aspect of the invention consists in providing a dosing
valve and a device for the dosed output of a preferably cosmetic
liquid as well as the use of such a device and a method, wherein
the dosing volume of the dosing valve designed for pressurized
filling is enlarged with the use of a simple, cost-effective design
and, in particular, while making use of existing valve
constructions.
[0010] According to the proposal, the dosing valve has a fixed
additional container which is connected to the dosing chamber and
enlarges same.
[0011] According to a first aspect, the additional container is
disposed on the valve housing such that it is spaced away from the
cap.
[0012] According to a second, alternative or additional aspect, the
additional container has an outer contour in one section which
tapers toward the cap.
[0013] In this manner, an enlargement of the dosing chamber and
hence of the dosing volume of the dosing valve is achieved in a
simple manner, and the dosing valve is designed and suitable for
pressurized filling despite the additional container.
[0014] A further aspect of the present invention which can
optionally be implemented independently consists in providing the
additional container with an ascending channel. This is beneficial
in the event of the quick and/or complete emptying of the
additional container, even with an overall large dosing chamber and
dosing volume.
SHORT DESCRIPTION OF DRAWINGS
[0015] Further advantages, features, characteristics and aspects of
the present invention follow from the claims and the following
description of two preferred embodiments and dosing on the basis of
the drawing.
[0016] FIG. 1 shows a schematic representation of a first proposed
device with a proposed dosing valve for the dosed release of a
cosmetic liquid with opened inlet valve;
[0017] FIG. 2 shows a schematic sectional representation according
to FIG. 1 with closed inlet valve; and
[0018] FIG. 3 shows a schematic sectional representation of a
second proposed device with closed inlet valve.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENT
[0019] In the figures, the same reference symbols are used for same
or similar parts, equal or comparable characteristics and
advantages being achieved even if a repeated description is
omitted.
[0020] FIG. 1 shows in a schematic sectional representation a
proposed device 1 with a dosing valve 2 for the dosed release of a
preferably cosmetic liquid 3 in the sense named at the outset or
the like. Particularly, a release of the liquid 3 occurs via a
spray head (not depicted) which is connected to the dosing valve
2--preferably stuck thereon--for the atomization and output of the
liquid 3.
[0021] The liquid 3 is under pressure or can be placed under
pressure. Particularly, the liquid 3 contains a propellant,
preferably a volatile and/or combustible propellant, compressed
gas, carbon dioxide, or the like.
[0022] The dosing valve 2 has a valve housing 4 which forms a
dosing chamber 5 of the dosing valve 2.
[0023] Moreover, the dosing valve 2 has a movable valve element 6.
In the depicted embodiment, the valve element 6 is movably guided
axially--vertically in the representation according to FIG. 1--in
the valve housing 4 and forms on the output side a protruding
connecting piece 7 for connecting the spray head (not depicted) or
the like.
[0024] The dosing valve 2 has an inlet valve 8 on the inflow side
and an outlet valve 9 on the outflow side which are allocated to
the dosing chamber 5 and/or are formed, particularly, by the valve
element 6 and the valve housing 4.
[0025] Preferably, a return spring 10 is disposed in the valve
housing 4 or dosing chamber 5 which is allocated to the valve
element 6 and which pre-tensions the valve element 6 into the
non-actuated position depicted in FIG. 1, here in an upwards
direction. In the non-activated position, the outlet valve 9 is
closed and the inlet valve 8 is open. In this state, the dosing
chamber 5 is filled with the liquid 3 (this is not depicted in FIG.
1 for purposes of simplification).
[0026] Upon actuation of the dosing valve 2--which is to say the
pressing-down of the valve element 6 against the force of the
return spring 10--the inlet valve 8 is first closed and only
thereafter is the outlet valve 9 opened. In this actuated state,
which is depicted in FIG. 2, the liquid 3 located in the dosing
chamber 5 can be output via the opened outlet valve 9, flow out on
its own particularly due to the aforementioned propellant and be
sprayed or atomized, for example, by the spray head (not depicted)
connected to the connecting piece 7. Accordingly, upon each
actuation, the dosing valve 2 outputs only a certain, that is to
say dosed, quantity of liquid 3 which is determined by the volume
of the dosing chamber 5.
[0027] When the dosing valve 2 is returned to the non-actuated
position, the outlet valve 9 is first closed and then the inlet
valve 8 is opened in order to allow liquid 3 to flow again into the
dosing chamber 5.
[0028] The valve element 6 and the valve housing 4 are each
preferably designed in a single piece and injection molded of
plastic, particularly of a relative hard or stiff plastic such as
polyamide or polyoxymethylene (POM).
[0029] In order to seal the inlet valve 8 in the closed state, a
seal element 11 is preferably provided in addition between the
valve element 6 and the valve housing 4 which is made of a softer
or more elastic material than the valve element 6 and the valve
housing 4. For example, the seal element 11 is injection molded
onto the valve element 6, preferably directly in the injection mold
used for the manufacture of the valve element 6 or in a separate
injection mold. Alternatively, the seal element 11 can also be
inserted, for example, as a pre-fabricated part into the injection
mold and the valve element 6 can be injection-molded thereon or the
seal element 11 can be stuck onto the pre-fabricated valve element
6.
[0030] The seal element 11 preferably has a lateral shoulder,
particularly a ring flange 12 or the like, for fixing on the valve
element 6, particularly where the shoulder or ring flange 12 is
disposed between an abutment for the return spring 10 on the valve
element 6 and the allocated end of the return spring 10 and is
fixed by same. This enables a secure fixing of the seal element 11
on the valve element 6, particularly even if the seal element 11 is
injection molded on the valve element 6, since with use of
different materials a separation of the seal element 11 from the
valve element 6 cannot always be completely ruled out.
[0031] It goes without saying that, as an alternative, the seal
element 11 can also be disposed in a corresponding manner on the
valve housing 4 and fixed thereupon.
[0032] The seal element 11 is preferably also injection molded,
particularly from a suitable elastomer, preferably from a
thermoplastic elastomer (TPE), a thermoplastic polyurethane (TPU)
or low-density polyethylene (LDPE) manufactured under high
pressure.
[0033] In the depicted embodiment, the outlet valve 9 has a
separate seal element 13 which is particularly designed in the
shape of a ring and is preferably held by the valve housing 4. The
separate seal element 13 provides a seal radially to a shaft
section of the valve element 6 or connecting piece 7. In the
non-actuated state depicted in FIG. 1, the outlet valve 9 is closed
so that, accordingly, no liquid 3 can exit from the dosing chamber
5 on the output side.
[0034] Upon actuation, the valve element 6 and the connecting piece
7, respectively, are displaced axially in such a manner that, after
the closing of the inlet valve 8, a radial feedthrough channel 14
is moved past the separate seal element 13 into the inside of the
valve housing 4 or into the dosing chamber 5, i.e. is released into
the dosing chamber 5 (this position is depicted in FIG. 2). In this
manner, the outlet valve 9 is opened, and liquid 3 can flow out of
the dosing chamber 5 through the feedthrough channel 14 into an
axial outlet channel 15 and through this and out of the connecting
piece 7 into the spray head (not depicted) or the like.
[0035] After actuation is completed, the valve element 6 is moved
again by the return spring 10 back into the initial position shown
in FIG. 1. In so doing, the outlet valve 9 is first closed and then
the inlet valve 8 is opened.
[0036] A cap 16 is allocated to the dosing valve 2 which bears or
holds the dosing valve 2. The cap 16 forms a seal of a container 17
of the device 1. Particularly, the container 17 can be closed or is
closed in a liquid-tight and gas-tight manner by the cap 16 so
that, after the pressurized filling explained at the outset, the
liquid 3 is stored under pressure or can be placed under pressure
in the container 17.
[0037] The cap 16 is joined to the container 17 in a conventional
manner, for example by means of crimping. In this way, a
corresponding opening of the container 17 is sealed.
[0038] The direction of actuation of the dosing valve 2 and/or the
direction of movement of the valve element 6 and/or the
longitudinal extension of the dosing valve 2 preferably run(s) in
the central axis of the particularly essentially disc-shaped cap
16.
[0039] The dosing valve 2 is preferably disposed in the middle of
the cap 16, particularly with the outlet side end of the valve
housing 4. Especially preferably, the valve housing 4 is situated
with one end area in a pot-like recess 18 of the cap 16 starting
from the inner container space or the liquid side. In this mounted
state, the dosing valve 2 or valve housing 4 tensions the seal
element 13 axially or on its front face against a ring section 19
of the recess 18 of the cap 16 which encloses the connecting piece
7. This leads to an axial seal and supplies the desired
gas-tightness between the dosing valve 2 or valve housing 4 on the
one hand and the cap 16, particularly its ring section 19 on the
other hand.
[0040] In the depicted embodiment, in order to make possible the
pressurized filling described at the outset, the seal element 13 is
preferably designed and/or positioned in such a manner that the
seal element 13 is deformed from the outside under a commensurately
large pressure load, that a desired filling between the cap 16,
particularly the ring section 19, and the seal element 13--i.e.
past the dosing valve 2 and its valve housing 4, respectively--can
take place.
[0041] In particular, the valve housing 4 is supported directly on
the cap 16 in order to pretension the seal element 13 in a defined
manner and to make a defined opening during pressurized filling
possible. Moreover, the valve housing 4 has corresponding outer
channels in the area of the cap 16 in order to make the pressurized
filling possible.
[0042] Preferably, at correspondingly high pressure, the device 1
is filled with a propellant (not depicted)--compressed or liquid
gas, for example. The liquid 3 is preferably filled into the
container 17 before the fitting of the cap 16. Alternatively,
however, this can also take place together with the pressurized
filling.
[0043] In addition, the dosing valve 2 can also optionally open
during pressurized filling due to the large forces occurring, which
is to say that filling can also take place through the dosing valve
2. This opening of the dosing valve 2 can be brought about, for
example, by corresponding axial widening of the valve housing 4 and
hence an opening of the inlet valve 8 in the non-actuated state
shown in FIG. 1.
[0044] The dosing valve 2 is preferably provided with an
inflow-side inlet or ascending duct 20--particularly a tube or the
like--which is connected, for example, to an inlet port 21 of the
dosing valve 2, particularly stuck into same and preferably held by
clamping. The inlet port 21 is preferably shaped to the valve
housing 4 or formed by same.
[0045] When the dosing valve 2 assumes the state again as shown in
FIG. 1 after output has been completed, the opening of the inlet
valve 8 results in liquid 3 flowing via the ascending duct 20 and
the open inlet valve 8 into the dosing chamber 5 and filling same.
This is brought about, particularly, by the pressure prevailing in
the inner space of the container.
[0046] According to the proposal, the dosing valve 2 has an
additional container 22 that is connected to the dosing chamber 5
and enlarging same. By means of the additional container 22, the
dosing volume--i.e. the volume of liquid 3 that is output per
actuation of the dosing valve 2--can be preferably increased to a
total of 10 to 50 ml or greater.
[0047] The additional container 22 is preferably disposed on the
valve housing 4 and/or inlet port 21 and preferably held
exclusively by same.
[0048] The additional container 22 is preferably spaced apart from
the cap 16. This is beneficial for unimpeded pressurized
filling.
[0049] In the depicted embodiment, the additional container 22 is
preferably constructed of several parts. Particularly, it displays
a lower part 23 and an upper part 24, which are connected to each
other tightly and pressure-tightly. Especially preferably, the two
parts 23, 24 are connected to each other in a locking, clamping
manner and/or through adhesion, welding or the like.
[0050] In the illustrated sample embodiment, the lower part 23 is
designed to be essentially cylindrical or hollow-cylindrical and is
connected at an axial end area 25 to a preferably flange-like area
26 of the upper part 24. Particularly, the two areas 25 and 26 are
welded to each other, for example by means of ultrasound welding.
In this case, the areas 25 and 26 preferably form continuous
annular surfaces in order to press the two parts 23 and 24 axially
together and, particularly, in order to be able to place on an
annular ultrasound head. Alternatively or in addition, the two
parts 23 and 24 or areas 25 and 26 can also reach radially above or
behind each other, for example forming a clamping and/or locking
connection or the like therebetween.
[0051] Alternatively or in addition to the spacing from the cap 16,
the additional container 22 or its upper part 24 preferably has a
section 27 with an outer contour which tapers toward the cap 16.
This, again, is beneficial for pressurized filling that is as
unimpeded as possible.
[0052] The section 27 tapering toward the cap 16 is preferably
designed to be conical or bullet-shaped. However, other
configurations and shapes are also possible here.
[0053] Particularly, in order to avoid an impeding of the
pressurized filling due to the formation of a restricted point, a
provision is made that the additional container 22 neither seals
nor reduces the pot-like recess 18 of the cap 16 on the inside end
facing the annular section 19 and, particularly, the annular space
formed there between the valve housing 4 and the recess 18.
[0054] Especially preferably, the additional container 22 adjoins
the valve housing 4 exclusively on the inlet-side of the valve
housing 4 and/or on the side thereof opposite the cap 16 and
preferably extends from there exclusively away from the cap 16.
[0055] Preferably, the additional container 22 and/or the valve
housing 4 is/are essentially rotationally symmetrical, cylindrical
and/or oblong in design.
[0056] The additional container 22 preferably encloses the valve
housing 4, the inlet port 21 and/or the ascending duct 20
peripherally, annularly, cylindrically and/or radially.
[0057] The additional container 22 preferably consists of the same
material as the valve housing 4 or of a material which is
compatible therewith.
[0058] A particular advantage of the proposed enlargement of the
dosing volume of the dosing valve 2 by means of the additional
container 22 consists in the fact that the actual construction of
the dosing valve 2 remains more or less unchanged. Particularly, it
is possible to use the additional container 22 only for a variant
of the dosing valve 2 with an enlarged dosing volume. Essential
parts such as the valve element 6, the valves 8, 9 and the seal
elements 11, 13 remain completely unchanged here. The valve housing
4 merely requires a relatively minor modification in order to bring
about the necessary fluid connection between the inner space of the
additional container 22 and the dosing chamber 5. Particularly, the
valve housing 4 has at least one connecting channel 28 for this
purpose, preferably several connecting channels 28 distributed over
its entirety, in order to achieve a sufficient flow cross-section.
Depending on the flow cross-section, the output behavior of the
dosing valve 2--particularly the output duration or output rate
with open dosing valve 2--can also be influenced or set.
[0059] The additional container 22 changes nothing about the
function and use of the dosing valve 2. On the contrary, the dosing
chamber 5 additionally made available by the additional container
22, just like the dosing chamber 5 located exclusively in the valve
housing 4, is filled with the liquid 3 and propellant and the like
in the non-actuated state depicted in FIG. 1 and finally emptied
together with the dosing chamber 5 upon actuation according to FIG.
2.
[0060] Especially preferably, the additional container 22 is has a
fluid connection to the valve housing 4 or its dosing chamber 5 in
such a manner that a good filling and emptying takes place with the
liquid 3. Particularly, the additional container 22 has a fluid
connection for this purpose to the end of the dosing valve 2
opposite the outlet valve 9, to the valve housing 4 or to the
dosing chamber 5.
[0061] With the use of a modification, a provision can be made to
make it possible to selectively open and interrupt the fluid
connection between the additional container 22 and the dosing
chamber 5. This can occur, for example, by means of a valve (not
depicted) or through corresponding construction by twisting the
additional container 22 relative to the valve housing 4 for the
selective releasing and blocking of the connecting channels 24.
[0062] In the depicted embodiment, the additional container 22 is
preferably designed at least essentially as a double-walled hollow
cylinder.
[0063] In the depicted embodiment, the additional container 22 or
its lower part 23 preferably has one or more, particularly
preferably radial, ribs or intermediate walls 29 which reinforce
and/or divide the additional container 22.
[0064] The volume of the additional container 22 is preferably at
least as large as the volume of the dosing chamber 5 formed solely
by the valve housing 4, especially preferably at least twice as
large or larger by a factor of 5 or even larger.
[0065] According to a first variation of the embodiment, the
additional container 22 is designed as a separate part,
particularly an injection-molded part, and/or is designed to be
rigid. It is then preferably mounted and snapped onto the valve
housing 4 and/or the inlet port 21 for example, by means of a
snap-in bracket, snap-in shoulder, radial shoulder 30 formed
outside on the connecting port 21, or another snap-in recess--or
clamped on, or molded on or injected in place.
[0066] In the depicted embodiment, the additional container 22 is
preferably held primarily by the inlet port 21--particularly by a
snap-in and/or press fit. Alternatively or in addition, the
additional container 22 or its upper part 24 has a connecting area
31 adjacent in particular to the section 27 which, particularly,
has a hollow cylindrical or tube-like shape and is pushed up onto
the valve housing 4. The connecting area 31 may be used for
additional supporting of the additional container 22 at the valve
housing 4.
[0067] Especially preferably, the connecting area 31 is connected
to the valve housing 4 in a pressure-tight or at least largely
gas-tight manner, for example by means of a radial press fit and
possibly in addition by means of a seal or the like (not
depicted).
[0068] Moreover, a pressure-tight and, particularly, gas-tight seal
is formed between the additional container 22 or its lower part 23
and the connecting port 21, optionally by means of a seal or solid
connection.
[0069] In this manner, the desired fluid connection of the
additional container 22 to the dosing chamber 5 or to the at least
one connecting channel 28 is made possible.
[0070] Preferably, the additional container 22 is inseparably
connected to the valve housing 4, particularly through welding,
adhesion, force fit and/or form fit.
[0071] According to a variation of the embodiment that is not
depicted, the additional container 22 is formed in a single piece
with the dosing valve 2 or valve housing 4 or injection-molded
thereon or formed thereon in some other manner.
[0072] FIG. 3, in a schematic section corresponding to FIG. 2,
shows a second embodiment of the proposed device 1 and the proposed
valve 2, respectively. In the following, only essential differences
vis-a-vis the first embodiment are emphasized, so that the previous
explanations and comments are preferably to be considered as being
corresponding or supplementary.
[0073] In order to support an at least essentially complete
emptying of the additional container 22 upon opening of the outlet
valve 9 and/or to optimize the output behavior--particularly with
respect to the discharge rate--the additional container 22,
according to a second embodiment, is preferably provided with at
least one ascending channel 33. In the depicted example, the
ascending channel 33 is formed between a preferably
hollow-cylindrical or tube-shaped section 32 and the preferably
hollow-cylindrical or tube-shaped inner wall 34 of the additional
container 22 or lower part 23. The ascending channel 33 is hence
particularly designed as an annular channel. The ascending channel
33 extends axially from the at least one connecting channel 28 at
least essentially to the other end of the additional container 22
or lower part 23, preferably in the axial direction with respect to
the ascending duct 20 or the direction of motion of the valve
element 6.
[0074] The volume of the ascending channel 33 is preferably as
small as possible. Accordingly, the radial spacing of the section
32 to the inner wall 34 is relatively small. Particularly, the
remaining volume of the additional container 22 is many times
larger than the volume of the ascending channel 33.
[0075] In the depicted example, the ascending channel 33 encloses
the inner wall 34, the ascending duct 20 and the connecting port
21. However, the ascending channel 33 can also be designed in
another manner, for example merely as an ascending duct or by
several individual channels or the like.
[0076] Alternatively, the ascending channel 33 can also run along
or adjacent to the outer wall of the additional container 22 or be
formed therein.
[0077] The ascending channel 33 leads, particularly, to a more
complete and/or faster emptying of the additional container 22
during the output of liquid 3.
[0078] The proposed device 1 or the proposed dosing valve 3 can be
used quite universally, for example for filling with foam or
filling with a defined, relatively large quantity of liquid 3 or a
foam or the like formed therefrom.
INDUSTRIAL USE
[0079] The dosing valve according to the present invention can be
used universally, particularly in order to emit in a dosed manner,
and preferably atomize, a hairspray, a hair lacquer, a deodorant, a
foam, a gel, a color spray, a sun protection agent, a skincare
agent, a cleaning agent, a cosmetic agent, an air improver, a
construction foam or an adhesive. Especially preferably, the dosing
valve is used for the dosing of larger volumes.
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