EP2583582B1 - Wiper with spring-loaded stripper lamellae - Google Patents

Description

The invention relates to a scraper according to the preamble of the main claim. Such a scraper is used for stripping excess cosmetic composition from an applicator, which has been immersed in the cosmetic composition and is then pulled out through the scraper from the cosmetics stock to apply a certain amount of the cosmetic preferably without blobbing. In particular, the invention relates to a scraper for applicators of mascara mass.

Various types of applicators have become known in the art. Most such scrapers are designed as at one end in the broadest sense frustoconical tapered sleeves or tubular body. The truncated cone-shaped portion forms a circumferentially encircling, usually completely self-contained or subdivided into closely adjacent circular segments wiper lip, approximately as the Fig. 13 exemplifies.

The US 4,390,298 discloses a scraper for an applicator, which has helical slots, while the helical slots snake completely around the scraper.

The US 210,872 has a container with an insert having vertically extending ribs.

The DE 197 44 181 A1 describes a cosmetic unit with a stripping device, which has a passage opening with slots that open tangentially into the passage opening, whereby a different shift of the individual segments is achieved.

When dimensioning such a wiper lip, considerable consideration must be given to the diameter of the handle, with which the actual applicator section, which consists predominantly of a bristle facing, is connected to the applicator handle. In many cases, especially when using applicators with bristle stock a conflict of objectives. Dimensioning the clear inside diameter of the wiper lip of such a wiper comparatively large, then sets the wiper when pulling out of the applicator no excessive resistance, but leaves a lot of cosmetic mass in the bristle trim. As soon as the clear diameter of the area enclosed by the wiper lip is made appreciably smaller than the diameter of the applicator handle, the actual applicator section is wiped off substantially more. At the same time, however, the resistance, which must be overcome when pulling out of the applicator by the scraper, significantly increased.

This conflict of objectives often results in the design of the applicator having to maintain a certain diameter ratio between the applicator handle and the bristle-bearing core of the applicator, which limits the design possibilities.

In view of this, the invention is based on the object to provide a scraper, in which the intensity of the stripping and the resistance, which the scraper opposes the withdrawal of the applicator or the actual applicator, are in a more favorable relationship to each other.

To solve this problem, the following feature combinations are proposed.

A scraper according to the invention has a holding section for securing the scraper to a cosmetics reservoir. This scraper is characterized by the fact that it has a number of scraper blades, which shift more than marginally, namely more than only 1/10 mm, in the circumferential direction alone under the influence of the forces resulting from the extraction of the applicator. From a more than insignificant shift in the circumferential direction can then be spoken, if the displacement of all or at least half of all wiper blades at their free end is more than only 1/10 mm. Ideally, a more than insignificant displacement is one which, at least in the absence of the cosmetic, can be perceived by the naked eye when the applicator cooperating with the wiper in accordance with its intended purpose is pulled through it.

In addition, the scraper according to the invention is characterized in that the center line of the scraper blades extend along helical lines and that each scraper blade, viewed in the projection in the direction of the longitudinal axis L, assumes an arc along the circumference, which is preferably less than or equal to the circular arc, The spanned by two thighs which is an angle of 50 ° between them.
In all this, the wiper blades are preferably rod-like, ie their extent in the longitudinal direction is substantially greater than their extent in the circumferential direction.

Preferably, the scraper on a number of stripping blades, which are each formed as rods whose extension in their longitudinal direction EL at least by a factor of 5, better at least by a factor of 10 is greater than their maximum extent EU in the circumferential direction.

In the context of another preferred development, it is provided that each wiper blade has an extension in the radial direction that is greater than its extent in the circumferential direction. Preferably, ER ≥ 1.3 X EU, and ideally ER ≥ 1.6 X EU.

Preferably, the wiper blades or the rods forming them each extend along a helical line. At the same time, it is preferably the case that the radial spacing of the wiper blades or rods relative to the imaginary longitudinal axis L of the wiper decreases as viewed from the proximal end of the wiper towards the distal end of the wiper. This orientation favors that the wiper blades or the rods forming them move in the circumferential direction and possibly also in the radially inward direction under the influence of the forces applied by the applicator.

Also preferred is an embodiment in which the wiper blades substantially completely obstruct the clear internal cross-section of the holding section 2 as viewed from the inside of the storage container. In this way can be achieved a very pronounced wiping effect, with favorable friction conditions.

Preferably, the tips of the wiper blades taper to an angle, ideally such that the circumferential extent of the space and, preferably, the radial extent of the radial ER are very small, being less than a quarter and preferably less than one fifth of the corresponding extension of the rod which is found at its proximal end. This enables the tips to deflect the bristle without much effort so that the bristles increasingly insert into the spaces between the wiper blades. At their end tapered scraper blades are therefore superior to their end "blunt cut" scraper blades.

In the context of another preferred embodiment, it is provided that the wiper has six or eight wiper blades, which are preferably distributed uniformly on the circumference of its holding portion. Such a number of wiper blades, especially when the wiper blades have only a limited extent in the direction of contact, ensure that the distance between the wiper blades is on the one hand dense enough to ensure effective stripping, and on the other hand enough distance between the adjacent wipers remains so These can move undisturbed in the circumferential direction under the influence of the forces exerted by the applicator when pulling out.

In the context of a particularly preferred embodiment, it is provided that the wiper blades are designed such that they exert more than negligible force, even in the radially inward direction, due to the forces which the applicator or its bristles exert on the applicator when it is pulled out be elastically bent and thereby also shift in a radially inward direction. From a more than insignificant shift in the radially inward direction can already be spoken in some, initially included in the scope of protection cases when the displacement of all or at least half of all Abstreiferlamellen at its free end more than 1/10 mm. In any case, if the displacement is more than 3/10 mm, it is in most cases more than insignificant. Ideally, a more than insignificant shift here is one that can be perceived with the naked eye, at least in the absence of the cosmetic, when the intended use of the scraper co-operating applicator is pulled through it.

In general, not only protection is desired for a scraper, but also for a cosmetic unit comprising an applicator and a reservoir, which is equipped with one of the above-described scrapers and preferably also with an applicator.

As an alternative to, and not necessarily, but preferably completely independent of the hitherto claimed also a cosmetic unit is claimed, which has a scraper for stripping the associated Kosmetikapplikators having a holding portion for fixing the scraper to a cosmetic reservoir, this further scraper is characterized in that it comprises a number of wiper blades, each formed so that adjacent wiper blades have at least 25% of their length in the longitudinal direction a distance in the circumferential direction which corresponds at least to the maximum extension of one of these wiper blades in the circumferential direction. Also designed in such a scraper blades produce a novel, very positive wiping effect, and indeed only by the large spaces between adjacent Abstreiferlammellen that cause each of the wiper blades very effective "excess" excess cosmetics from the Bostenbesatz "and can dissipate to the outside. This can be done by the wiper blades independently, without further demands on them, or instead in that they consist of such a flexible plastic material that realizes the basis of the first main claim underlying spring effect in such an embodiment, which significantly enhances the wiping effect , Preferably, adjacent scraper blades even at least along 50% or ideally even at least 70% of their extent in the longitudinal direction such a distance in the circumferential direction.

Preferably, the claimed wipers have a number of wiper blades, which are each designed so that their extent in their longitudinal direction by at least a factor of 5, better at least by a factor of 10 is greater than their maximum extent in the circumferential direction.

Further advantages, effects and design possibilities of the scraper according to the invention and claimed here and equipped with a respective scraper cosmetic units will become apparent from the following description of the embodiments, which are based on the Fig. 1 to 10 be explained.

The FIG. 1 shows a side view of a non-inventive scraper, installed in the neck of a bottle, which serves as a cosmetic reservoir.

The FIG. 2 shows a perspective side view of the scraper not according to the invention.

The FIG. 3 shows a perspective side view of the non-inventive scraper in a section along the longitudinal axis L.

The FIG. 4 shows a plan view of the embodiment not according to the invention seen from the interior of the reservoir ago.

The FIG. 5 shows a plan view of the non-inventive embodiment seen from outside the reservoir ago.

The FIG. 6 shows a side view of a second embodiment of the scraper according to the invention.

The FIG. 7 shows a perspective side view of the second embodiment of the scraper according to the invention.

The FIG. 8 shows a perspective side view of the second embodiment of the scraper according to the invention in a section along the longitudinal axis L.

The FIG. 9 shows a plan view of the first embodiment seen from the interior of the reservoir ago.

The FIG. 10 shows a plan view of non-inventive embodiment seen from outside the reservoir ago.

The FIGS. 11 and 12 illustrate the deformation behavior, which show the wiper blades of the two above-described embodiments under the influence of the forces generated by the applicator when pulling out on hand in general known state of the art, specifically, the example of a sealing plug for a tablet tube.

The Fig. 13 shows an annular scraper, as it is known from the prior art.

The Fig. 1 to 4 show a non-inventive embodiment.

How to get along well with the FIG. 1 recognizes the total stripper 1 called component of the first embodiment of a holding portion 2 and a number of wiper blades 3, which are attached to the distal, ie the interior of the reservoir side facing the holding portion and together form the actual wiper of this scraper. The outside diameter of this holding section is usually less than 10 mm where the wiper is used for mascara applicators. It follows that the scraper is altogether very delicate where it is used as a mascara scraper.

In this embodiment, the wiper blades are longer in the direction of the longitudinal axis L of the wiper than the holding portion. 2

Ideally, at least 6 or 8 wiper blades are provided along the circumference; in the majority of cases, more than 10 wiper blades do not make sense. In some cases, the scraper can be realized with less scraper blades, it has been found in experiments that in certain cases, for. B. 5 scraper blades can meet.

In general, for the subsequent use of the terms "distal" and "proximal", the distal side is the side facing the interior of the reservoir, while the proximal side is the side facing the removal opening of the reservoir.

The wiper blades 3 interact with the bristle stocking of the applicator as it is withdrawn from the cosmetic stock and thereby strip the excess of the cosmetic. Such wiping effect unfold the wiper blades at least to some extent in those cases in which the applicator is not equipped with a bristle trim, but for example with a sponge-like trimming.

The holding portion 2 is here, as it is preferred, formed as a circumferentially completely self-contained tubular body, by means of which the scraper 1 is fixed in the neck of the bottle, which serves as a cosmetic reservoir. For this purpose, the holding portion 2 is preferably provided with a collar-like stopper 4, which abuts against an end face of the bottle neck and thus limits the way by which the wiper 1 can be inserted into the neck of the bottle. As you can see, the holding section 2 is additionally equipped with at least one locking member 5 which engages with a corresponding locking member or a corresponding surface of the bottle neck.

The outer diameter of the holding portion 2 is usually adapted to the inner diameter of the neck provided for receiving his neck, so as to ensure a play-free fit of the scraper 1 in the radial direction. In this embodiment, the holding portion 2 has a substantially constant inner diameter. Depending on how this inner diameter in relation to the applicator diameter has been selected, the holding portion 2 either does not contribute to such a significant extent to the stripping or he makes a contribution by his faces 14 strip another part of the cosmetic mass or "comb out" of the bristle trim. The latter embodiment is preferred.

The scraper blades are not formed in this embodiment as shells forming a cylindrical or conical section, which naturally has a large area moment of inertia in the circumferential direction and therefore does not yield or only minimally at least in the circumferential direction. Instead, the wiper blades are formed as seen in the circumferential direction slender rods. Their extension in their longitudinal direction EL is at least a factor of 5, better at least by a factor of 10 greater than their maximum extent EU in the circumferential direction, cf. Fig. 2 ,

At the same time, each rod has an extent in the radial direction ER, which is greater than its extent in the circumferential direction EU. As a result, each rod provides greater resistance to bending in a radially outward direction than a bend directed approximately circumferentially. Preferably, apart from local defects and preferably even without exception: ER ≥ 1.3 X EU. Ideally, even ER ≥ 1.6 X EU applies. For the area of the distal end or "tip" of each rod, d. H. on the last 20% of the length of a bar, the condition mentioned is in no case mandatory.

Preferably, the extent of each bar in the circumferential direction EU along the major part of the length of a rod is substantially or even completely the same, ie "Thickness" of the rod, seen in the circumferential direction, is the same everywhere in the said range.

The bars are not straight, but each run along a helical line. In this case, the radial distance of the rods to the imaginary longitudinal axis L of the wiper decreases from the proximal end of the wiper toward the distal end of the wiper, cf. especially Fig. 4 ,

Even at its distal end, the rods preferably do not touch, but include a substantially circular clear cross section 7 between them. This clear cross section can be very small and then blocks the clear inner cross section of the holding portion 2 substantially completely. As far as the scraper according to the invention is used for stripping an applicator with bristle trim, it may preferably be such that the diameter of this clear cross section 7 substantially corresponds to the diameter of the core or the core from which project the bristles. Alternatively, the diameter of the clear cross section can be chosen to be relatively large and z. B. 80% to 120% of the diameter of the stem, which connects the applicator and its handle.

The laths forming the lamellae are not so close to each other that they are laterally supported against each other as soon as they are acted upon by forces acting in the circumferential direction. Instead, immediately adjacent bars in the circumferential direction hold a distance A from each other over most of their length that is at least 1.5 times, and preferably at least twice, the maximum extension EU that the respective bars have in the circumferential direction. In this way arises between each directly adjacent slats a generous gap. 8

When determining the maximum extent EU, that foot area is disregarded in which the bars pass into the holding section 2 with the formation of a fillet or throat, cf. Fig. 1 , In the region of the distal end of the rods, the distance A will as a rule fall below the dimension just given, cf. Fig. 1 and 4 , These figures also show that this distance A is undershot along approximately the last third or preferably only along the last quarter of adjacent bars.

The tips of the rods preferably extend to a point, ie there the local extent in the circumferential direction EU and preferably also the local extent in the radial direction ER assumes very small values. Namely in particular values that z. B. against "zero" or at least go against less than 1/5 of the corresponding extension, which is found at the proximal end of the rod, see. Fig. 4 ,

The scraper according to the invention plays its advantages in particular when stripping bristle-occupied applicators and in particular when stripping bristle-occupied Drahtkernapplikatoren. Nevertheless, it can also be of some advantage when stripping other applicators.

• Die Spitzen der durch die besagten Stäbe gebildeten Abstreiferlamellen liegen, solange sich der Applikator noch in seiner Verstauposition befindet, am Applikatorstiel an. Sobald der Applikator weit genug aus seiner Verstauposition herausgezogen worden ist, beginnen die besagten Spitzen der Abstreiferlamellen den Borstenbesatz zu kämmen. Hierdurch wird ein guter Teil der Borsten dazu veranlasst, sich jeweils in einen der Zwischenräume 8 einzulegen. Da auch die Zwischenräume 8 schraubenförmig gewunden sind und die Anwenderin den Applikator beim Herausziehen unwillkürlich festhält und so an einer Drehbewegung hindert, werden die zunächst in einem ersten Zwischenraum 8 zu liegen gekommenen Borsten im Zuge des weiteren Herausziehens des Applikators dazu gezwungen, unter der nächstliegenden Abstreiferlamelle "hindurchzurutschen" und sich in den benachbarten Zwischenraum einzulegen. Hierbei werden die Borsten spürbar abgestreift, indem ein Teil der bisher von ihnen mitgeführten Kosmetikmasse an der Abstreiferlamelle hängen bleibt und anschließend im Regelfall nach außen abgeführt wird. Je nach Auslegung der Abstreiferlamellen kann sich dieser Vorgang im Zuge des Herausziehens des Applikators mehrfach wiederholen. Vor diesem Hintergrund ist nachvollziehbar, dass man die Intensität, mit der der Applikator abgestreift wird, sehr gut auch über die Wahl der Länge der Abstreiferlamellen einstellen kann.

The scraper of the invention is preferably designed to behave as follows when stripping bristle-mounted applicators, and in particular wire-core applicators:

• The tips of the scraper blades formed by said rods lie on the applicator handle as long as the applicator is still in its stowed position. Once the applicator has been pulled far enough out of its stowed position, said tips of the stripper blades will begin to comb the bristle stock. This will be a good part causes the bristles to insert each in one of the spaces 8. Since the spaces 8 are helically wound and the user involuntarily holds the applicator when pulling out and thus prevents a rotational movement, the first bristles come to lie in a first gap 8 are forced in the course of further extraction of the applicator to under the nearest scraper blade "to slip through" and to insert in the adjacent space. In this case, the bristles are noticeably stripped by a part of the previously entrained by them cosmetic mass hanging on the wiper blade and is then discharged as a rule to the outside. Depending on the design of the wiper blades, this process can be repeated several times during the extraction of the applicator. Against this background, it is understandable that the intensity with which the applicator is stripped off can also be set very well by the choice of the length of the wiper blades.

Preferably, the wiper blades are designed so that they are elastically bent in the circumferential direction by the forces exerted by the applicator or its bristles on them and thereby also shift in the circumferential direction. As a rule, this is accompanied by a displacement in the radially inward direction, at least in the region of the distal end of the wiper blades.

This tends to increase the contact pressure of the wiper blades on the applicator or its bristles, thus creating a quasi kind of "servo effect" - the intensity is stripped with, tends to increase by itself. This is done in many cases, without thereby Resistance to which the applicator is exposed when pulling out is significantly increased. Ideally, the wiper blades so contoured at its radially inward side and designed in terms of their elasticity so that the total existing contact area between the wiper blades and the applicator is increased by the displacement of the wiper blades in the circumferential direction.

For the sake of better illustration, the preferably occurring effect can be compared with the behavior of the following, generally known standard sealing plug for tablet tubes, which is used by many pharmaceutical manufacturers. For example, Ratiopharm GmbH, headquartered in Ulm, Germany, has been marketing its drug ASS + C effervescent tablets in Germany for years in tablet tubes that are provided with such a stopper. Such a plug show the FIGS. 11 and 12 ,

How best to hand on the Fig. 11 see, such a stopper is equipped with a spring element for rattle-free holding the full tablet charge of the tube. The said spring element consists of a number of rods, each extending along a helix extending along the peripheral surface of an imaginary cylinder. The bars open at the distal end of the plug into a circular ring. The rods are comparable to the scraper blades of the scraper according to the invention also formed by rods, while in the invention there is usually no counterpart to the annulus of the sealing plug and in the invention, the rods usually not along the peripheral surface of an imaginary cylinder, but along the Circumferential surface of a tapered towards the distal end of the scraper or provided with an otherwise decreasing diameter rotational body.

If one presses such a closure plug in the direction of its longitudinal axis, ie in the direction of Fig. 11 arrow together, then said rods shift in the circumferential direction, as well as the Fig. 11 clearly illustrated. This tends to reduce the inside diameter of the bounded by the rods, here initially cylindrical cavity. Exactly so behave preferably also the bars that form the wiper blades of the scraper according to the invention.

It is also noteworthy that the scraper constructed in accordance with this first embodiment, unlike the conventional solitary scrapers which operate with a scraper lip in contact with the applicator in an annular fashion, does not tend to seal the reservoir as much as possible during extraction. Instead, he always leaves a path over which 12 can flow from the Abstreifervorraum air in the reservoir, so that when pulling out of the applicator no disturbing negative pressure in the reservoir can build and disturbing for the reasons mentioned below "popping effect" in Essentially missing.

Moreover, it is noteworthy that the wiper blades, due to their radial distance from the imaginary longitudinal axis L of the wiper, decreasing towards its distal end, have a centering effect on the applicator when the applicator is reintroduced into the reservoir or wiper. The applicator is oriented almost by itself so that its bristle-occupied core passes substantially through the clear cross-section 7, rather than having to displace the wiper blades sustainably, thereby counteracting reintroduction of appreciable resistance.

Finally, for the sake of completeness, it should be pointed out that each wiper blade, viewed in the projection in the direction of the longitudinal axis L, assumes an arc along the circumference which is preferably less than or equal to the arc of a circle which is spanned by two legs that form an angle W of 50 ° between them.

The Fig. 6 to 10 show an embodiment of the invention.

This is characterized by the series connection of two Abstreiforgane. The first wiper member is formed by a number of wiper blades 3, which are designed with the exception of the differences described in more detail below, in accordance with what was previously said for the wiper blades of the first embodiment. The holding portion 2 is configured with the exception of the differences described in more detail below, in accordance with what has been said above for the holding portion of the first embodiment. Due to this, what has been said above for the first embodiment applies equally to the second embodiment, unless otherwise stated below.

Also in this second embodiment, the wiper blades are not formed as a cylindrical or conical portion forming shells that yield only minimally in the circumferential direction. Instead, they are once again designed as slender rods in the circumferential direction, for the dimensioning of which the above applies. The rods in their entirety constitute a first wiper member which acts on the applicator as explained above. The bars are not rectilinear in this embodiment, but each extend along a helical line. In this case, preferably also in this embodiment, the radial distance of the rods to imaginary longitudinal axis L of the scraper from the proximal end of the scraper towards the distal end of the scraper from, although much less strong than in the first embodiment, cf. Fig. 8 and Fig. 4 ,

The rods preferably also do not touch each other at their distal end, but enclose a substantially circular clear cross section 7 between them, but preferably do not obstruct the clear inner cross section of the holding section 2 to a minimum, leaving at least a 10% diameter, better at least 20% smaller than z. B. the core diameter of a bristle-occupied portion of the applicator.

In addition, the holding section 2 is formed in this embodiment so that it tapers towards the container inside and a circumferentially self-contained, circular wiper lip 13 is formed, which provides a second, downstream wiper member 10. For this purpose, the holding portion 2 is formed conically at its container inside end.

Preferably, the wiper lip thus formed additionally has a conical chamfer on the last piece of its outer circumference. From this chamfer or from the last piece of its outer periphery of the holding section are the scraper blades, which are molded onto the holding portion 2.

Due to the fact that the applicator section is first stripped off the first stripping element 9 in the course of extraction by the scraper, it reaches the second stripping element 10 with significantly lower loading than is the case with a single-stage scraper. As a result, the inclination of the applicator is reduced, the reservoir of the cosmetic container seal in the area of the wiper lip 13 as far as possible against air supply from the region of the Abstreifervorraums 12. In this way, the otherwise always imminent danger is reduced that in the reservoir when pulling out of the applicator creates a significant negative pressure that collapses abruptly as soon as the applicator has passed the circular wiper lip 13 almost completely and then to the acoustically and haptically unsightly "Plopp Effect "or even leads to an outward squirting out of cosmetic mass.

Due to this, the applicator according to the invention can preferably be omitted, for. B. in the side wall of the holding section 2 one of the most not unproblematic because to provide for clogging bypass openings provided that are to serve for venting the reservoir. On the contrary, if you dimension the wiper lip 13 so that it rests in the stowed position with a slight radial bias on the stem of the applicator, then you get a the interior of the reservoir reliably sealing scraper, which causes the stored cosmetic the scraper even then can not happen if the cosmetics unit is stored, for example, at higher temperatures in the head stand, which can occur involuntarily in a handbag.

Preferably, the wiper in both embodiments is an integrally injection molded from a single plastic component.

As part of a third, not figuratively illustrated Ausführungsbeipiels is provided that the scraper is sprayed from two different plastics. Thus, the mechanically only slightly stressed holding section of a comparatively undemanding and correspondingly inexpensive Be sprayed plastic on which the high loads exposed scraper blades are molded from a different, higher-quality or more elastic plastic.

The scrapers described here are comparatively easy to manufacture despite their comparatively complicated geometry. This is especially true if one carries out the wiper blades without undercuts in the direction of the longitudinal axis L, so that the elasticity and deformability of the wiper blades can be used to extract them in the direction of the longitudinal axis L from their shape-giving mold cavities without sharing these mold cavities to have to.

Regardless of the claims made in the context of this application also protection is claimed for a scraper 1, which is characterized in that the scraper blades 3 are designed such that they by the forces that the applicator or its bristles when pulling out of the applicator on them exercise, even in the circumferential direction more than slightly insignificantly bent and thereby also in the circumferential direction and / or in radially inward direction, preferably so that the wiper blades 3 create more tightly against the applicator, the displacement preferably more than only 1 / 10 mm and ideally more than 2.5 / 10 mm. For further embodiment, the scraper claimed hereby can also be configured as provided by the main claim or the dependent claims in the context of this application.

In addition, independent protection, regardless of the previously established claims, also claimed for a cosmetic unit with a scraper for stripping the associated cosmetics applicator, which has a holding section 2 for Setting the scraper 1 to a cosmetic reservoir, wherein the scraper 1 has a number of scraper blades 3, which are each formed so that adjacent scraper blades 3 along at least 25%, preferably along at least 50% of their extension in the longitudinal direction EL have a distance in the circumferential direction which corresponds at least to the maximum extent EU of one of these wiper blades 3 in the circumferential direction, wherein each of the wiper blades 3 preferably has a center line extending along a helical line. Again, a combination with the expressly set forth in this application main and dependent claims is possible.

LIST OF REFERENCE NUMBERS

1

scraper

2

holding section

3

Abstreiferlamelle

4

collar-type stop

5

detent member

7

clear cross section

8th

Space between two wiper blades

9

first wiper

10

second wiper

11

tapered chamfer

12

Abstreifervorraum

13

circular wiper lip

14

stripping end face of the holding portion

A

Distance between two bars or scraper blades

EL

Extension of the rods or wiper blades in the longitudinal direction

EU

Extension of the bars or wiper blades in the circumferential direction

HE

Extension of the rods or wiper blades in the radial direction

P

exemplified path through which air can flow into the reservoir

L

longitudinal axis

W

angle

Claims (11)

1. Wiper (1) to wipe a cosmetic applicator with a holding section (2) to position the wiper (1) on a cosmetic reservoir, in which context the wiper (1) manifests a number of wiper lamellae (3) which move more than only inconsiderably, viz. more than only 1/10 mm in their circumferential direction, of their own accord under the influence of the forces originating as a result of pulling the applicator out and in which context each wiper lamella manifests a middle line running along a helix, wherein each wiper lamella, looking in the projection in the direction of the longitudinal axis L, makes an arc along the circumference, which is preferably smaller than or equal to the circular arc which is tensed by two legs incorporating an angle of 50° between themselves.
2. Wiper (1) in accordance with Claim 1, wherein the wiper (1) manifests a number of wiper lamellae (3), each of which has been formed as a rod, the extension of which in their longitudinal direction (EL) is at least a factor of 5, even better at least a factor of 10 larger than its maximum extension (EU) in the circumferential direction.
3. Wiper (1) according to one of the aforementioned claims, wherein each wiper lamella (3) manifests an extension in a radial direction (ER) which is larger than its extension in the longitudinal direction (EU), in which context ER ≥ 1.3 X EU preferably and ER ≥ 1.6 X EU ideally holds.
4. Wiper (1) according to Claim 2, wherein each of the rods runs along a helix, in which context the radial distance of the rods to the conceptual middle line of the wiper (1) preferably becomes smaller from the proximal end of the wiper (1) to the distal end of the wiper (1).
5. Wiper (1) according to one of the previous claims, wherein the wiper lamellae (3), looking from the inside of the reservoir, do not block the clear cross-section of the holding section (2), but leave a clear cross-section free, the diameter of which is at least 20% smaller than the core diameter of a section of the applicator manifesting bristles.
6. Wiper (1) according to one of the previous claims, wherein the tips of the wiper lamellae (3) taper off, preferably such that the local extension in the circumferential direction (EU) and preferably also the local extension in a radial direction (ER) assume very small figures, which are less than ¼ and preferably less than 1/5 of the matching extension which is to be found at the proximal end of the rod.
7. Wiper (1) according to one of the previous claims, wherein the wiper (1) manifests six or eight wiper lamellae (3), preferably arranged with an even distribution on the circumference of its holding section.
8. Wiper (1) according to one of the previous claims, wherein the wiper lamellae (3) have been designed such that they are also elastically bent more than only inconsiderably in a circumferential direction as a result of the forces which the applicator or its bristles exercise on it when the applicator is pulled out and which thus move in a circumferential direction and/or in a radially inward direction, viz. such that the wiper lamellae (3) have tighter contact to the applicator, in which context the move amounts to more than only 1/10 mm in each case, ideally more than only 2.5/10 mm.
9. Cosmetic unit with a reservoir for cosmetic mass and an applicator as well as a wiper (1) according to one of the previous claims.
10. Cosmetic unit with a wiper (1) according to one of the previous claims to wipe the matching cosmetic applicator, manifesting a holding section (2) to position the wiper (1) on a cosmetic reservoir, wherein the wiper (1) manifests a number of wiper lamellae (3), each of which has been formed such that neighbouring wiper lamellae (3) manifest a distance in a circumferential direction equivalent to at least the maximum extension (EU) of one of these wiper lamellae (3) along at least 25%, preferably along 50% of its extension in a longitudinal direction, in which context each of the wiper lamellae (3) preferably possesses a middle line running along a helix.
11. Cosmetic unit according to Claim 10, wherein the wiper manifests a number of wiper lamellae (3), each of which has been formed such that their extension in their longitudinal direction (EL) is at least a factor of 5, even better at least a factor of 10 larger than their maximum extension (EU) in a circumferential direction.

Images