EP1383405A1 - Dispenser for a cream-type material or material which can be deposited by applying it a surface - Google Patents

Dispenser for a cream-type material or material which can be deposited by applying it a surface

Info

Publication number
EP1383405A1
EP1383405A1 EP02735285A EP02735285A EP1383405A1 EP 1383405 A1 EP1383405 A1 EP 1383405A1 EP 02735285 A EP02735285 A EP 02735285A EP 02735285 A EP02735285 A EP 02735285A EP 1383405 A1 EP1383405 A1 EP 1383405A1
Authority
EP
European Patent Office
Prior art keywords
spindle
piston
region
space
shaped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02735285A
Other languages
German (de)
French (fr)
Other versions
EP1383405B1 (en
Inventor
Ulrike Danne
Norbert Höfel
Wolfgang Heukamp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to SI200230064T priority Critical patent/SI1383405T1/en
Publication of EP1383405A1 publication Critical patent/EP1383405A1/en
Application granted granted Critical
Publication of EP1383405B1 publication Critical patent/EP1383405B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0011—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container moved by a screw-shaft

Definitions

  • the invention relates to a dispensing device for a cream-shaped or ablating mass, with a space with a discharge opening for receiving and storing the mass, a spindle arranged axially and rotatably in the space, and a piston movable in the space along the spindle by rotating the same and a fixed slewing ring with a standing actuator for the spindle.
  • Such a dispenser device is known from DE 199 21 662 A1 by the applicant.
  • the actuating element for the spindle is formed by a gearwheel arranged outside the space in a fixed rotary connection to the spindle and at least one actuating button arranged on the dispenser device with an integrally formed tappet element, the at least one actuating button with a tappet element being relative to the gearwheel from a rest position into one End position and movable back is arranged that when the actuation button is actuated from the rest position to the end position, the tappet element engages with a tooth of the gearwheel and rotates it.
  • This dispenser device is held in the hand of the user and at least one actuation button is actuated, whereby the spindle is rotated by a predetermined angle of rotation, whereby the piston is moved to a certain extent in the longitudinal direction towards the dispensing opening and product can be dispensed from the dispenser device ,
  • Such dispensing devices are primarily used for dispensing creams or as a deodorant stick.
  • the mass is usually filled into the dispenser device itself, the piston then being in the lowest position.
  • the filling usually takes place from above, which means that it cannot be avoided that an empty space (dead volume) is created in the upper area.
  • This dead volume is predetermined by the height of the dispensing device and, if applicable, the Applicator shape, in particular the curvature of the applicator shape.
  • This applicator which is required when using the device for creams, is usually bounced or screwed on.
  • the dead volume can also be product-related, ie the product volume can decrease after the filling process, for example due to air bubbles that escape after filling.
  • the object of the invention is therefore to provide a solution with which the initial product delivery is considerably simplified, and nevertheless a small, precisely metered product delivery per actuation process is retained after the first product delivery.
  • the lower threaded area of the spindle adjacent to the actuating element can have a greater thread increase than the rest of the area of the spindle, which has the consequence that when the device is put into operation the first time the actuating element is actuated, the piston moves at a greater rate towards the dispensing opening is moved so that the dead volume is quickly overcome. After overcoming this dead volume, the piston then enters the area of the spindle with a smaller thread pitch, so that the desired low product dosage is guaranteed unchanged when the actuating element is actuated once.
  • the piston must be designed in such a way that it is suitable for interacting with the respective threaded area of the spindle, which can be achieved in different ways.
  • the dispenser device also offers the possibility of shifting the piston by a different amount in the longitudinal direction on its displacement path along the spindle, each time the actuating element is actuated, by providing a plurality of spindle regions with different thread pitches, as a result of which different metered quantities are dispensed.
  • This can be expedient, for example, if the product mass contained in the device has a layered structure and / or consists of different product components which are to be metered in different ways.
  • the displacement path of the piston in the end region is chosen to be larger in order to dispense more product at the end of the displacement path. This can be advantageous, for example, if the product properties deteriorate or deteriorate over time, so that a larger one is then automatically used when the device is largely empty Product quantity is delivered.
  • the first region of the spindle which is arranged closer to the actuating element has a larger thread pitch than the second region adjoining the first.
  • different thread shapes can be selected for the spindle, for example trapezoidal thread, sawtooth thread, metric iso thread, Whitworth thread and the like. However, a round thread is particularly preferably used.
  • the thread pitch of the first area is between 9 and 12, preferably 9, and that of the second area is approximately 4.5.
  • the piston has segment-shaped features on the inside with differently inclined contact surfaces for the thread pitches of the spindle. Three to five segments are preferably provided.
  • segment-shaped forms of the piston can be designed differently, for example diamond-shaped or rectangular. They have a particularly advantageous diamond-shaped design.
  • Fig. 11 in an enlarged view the lower region of the spindle.
  • the dispenser device designated by 1 in FIGS. 1 and 2 has an outer housing 2 with a removable cover 3 on the top side. Both the cover 3 and the housing 2 are cross-sectionally oval in the exemplary embodiment. Two openings are formed diametrically opposite each other in the side surfaces of the housing 2, each of which is penetrated by an actuation button 4 from the inside of the dispensing device 1. The surfaces of the actuating buttons 4 penetrating the openings are flush and their contours continue with the adjacent outer surfaces of the housing 2. As can best be seen from FIGS. 3 and 4, a space 5 is arranged inside the housing 2. This space 5 is delimited by side walls 6, which are also oval in cross section, and a bottom wall 7.
  • an all-round cantilever skirt 8 is formed on the side surfaces 6.
  • This apron 8 has at its ends facing the actuation buttons 4 a greater distance from the side walls 6 than on its long sides.
  • the apron 8 extends over an edge region 9 of the outer housing 2 in such a way that the space 5 is thereby fastened to the upper edge region of the housing 2.
  • the space 5 is thus inserted from above into the housing 2 having a bottom.
  • the apron 8 surrounds a delivery opening 10 of the room 5.
  • An opening is formed in the center of the bottom wall 7. This opening is surrounded by a first cylinder wall 11.
  • a second cylinder wall 12 surrounds this first cylinder wall 11 at a distance, the first cylinder wall 11 and the second cylinder wall 12 being connected to one another via an annular bottom surface 13.
  • the second cylinder wall 12 is connected to the bottom surface 7 of the space 5, so that the second cylinder wall 12 and the bottom surface 13 together form a cup-shaped depression in the bottom surface 7.
  • An edge region 14 of the first cylinder wall 11 facing the space 5 is designed to be slightly inclined inwards and divided into individual segments by incisions. These segments rest on an undercut 15 of a spindle 16 which penetrates the opening and the space 5 and is arranged in the space 5 in a longitudinally axial and rotatable manner.
  • a gear 17 is arranged on the spindle 16 in a rotationally fixed manner, preferably the gear 17 is integrally formed on the spindle 16.
  • the area of the undercut 15 and the area of the gearwheel 17 facing the space 5 are spaced apart such that the spindle 16 is secured against longitudinal axial movement by the edge area 14 and the annular bottom surface 13 of the space 5.
  • a piston 18 is arranged within the space 5 and has a central opening 19 with a thread, which will be described in more detail below, by means of which it can be moved up and down in the space 5 by rotating the spindle 16.
  • the actuation buttons 4 have fastening webs 20 which are oriented in the direction of the discharge opening 10 and which represent the fastening of the actuation buttons 4 to the housing 2 in a manner which enables a rotational movement about an axis of rotation 21.
  • the axes of rotation 21 form the fulcrum of the actuation buttons 4 designed as levers.
  • the other side of the lever is formed by tappet elements 22, which are connected to the respective actuation element 4 via a respective fastening web 23.
  • the plunger elements 22 have a web-shaped or rod-shaped base body which is molded onto the fastening webs 23.
  • a nose 25 facing the gear 16 for engagement between individual teeth 24 of the gear 16 is formed on the base bodies.
  • a deflection web is formed on the end of the respective plunger element 22, which is not shown in the drawing.
  • DE 199 21 662 A1 discloses a comparable design of the plunger element 22.
  • the actuation buttons 4 with all their additional elements are preferably made in one piece from plastic.
  • the arrangement and mounting of the actuation buttons 4 on the axis of rotation 21 connected to the outer housing 2 is oriented such that in the rest position of the actuation buttons 4 shown in the drawings, the tappet elements 22 bear tangentially on the gearwheel 17, the lugs 25 in each of the two Teeth 24 of the gear 17 engage the space formed.
  • the user actuates the actuation buttons 4 in the direction of the arrows 26.
  • the tappet elements 22 are also moved in the direction of the arrows 26, their noses 25 strike teeth 24 of the Gear 17 and rotate this by a predetermined angle of rotation until the deflecting webs come into contact with the tappet deflector and the tappet elements 22 are deflected on the tappet deflectors due to their internal elasticity such that the lugs 25 disengage from the teeth 24 of the toothed wheel 16.
  • the dispensing opening 10 is closed by a cover element 27 with a web-shaped edge area sealingly against the side walls 6 and having a curved cover area. It is provided in the exemplary embodiment for dispensing cream or gel-like mass that the cover element 27 is provided with an opening 28 through which 1 product can escape when the dispensing device is actuated. If the dispensing device 1 is designed as a deodorant stick, no opening 28 is provided and the cover element 27 is removed together with the cover 3 from the dispensing opening 10 or the housing 2, it is then preferably firmly connected to the cover 3.
  • the spindle 16 has at least two regions with different thread pitches over its length.
  • a first region with a larger thread pitch is provided closer to the gear wheel 17, which is denoted by 16a, to which a second region with a smaller thread pitch adjoins, this region is denoted by 16b.
  • the respective threads are preferably designed as round threads, the thread pitch of the first region 16a is preferably approximately 9 and that of the second region 16b approximately 4.5.
  • segment-shaped features 31 are provided in the opening 19 of the piston 18 and are diamond-shaped. These segment-shaped features 31 each have differently inclined bearing surfaces 29, 30 for the spindle areas 16a, 16b with different thread pitches.
  • This embodiment of the spindle gear has the following advantage: the mass to be accommodated in space 5 is filled into the standing dispenser device 1 through the removal opening 28. For various reasons, it cannot be avoided that a dead space is created in the upper region below the cover element 27. This means that when the dispensing device 1 is actuated for the first time, no product is initially delivered, but rather it is only moved in the direction of the opening 28. Because the spindle area 16c with a larger thread pitch is initially used, the advance of the piston 18 is initially relatively large, in such a way that the actuation keys 4 only have to be actuated a few times until product is dispensed for the first time. A defined piston travel or a defined spindle rotation is generated by the respective key actuation.
  • the piston 18 then moves into the second spindle area 16b with a smaller thread pitch, with subsequent actuations of the actuation buttons 4, the piston 18 then moves only with little propulsion because the rotation of the spindle per actuation process of the buttons 4 is smaller due to the smaller pitch. As a result, only the desired small amount of product is released per actuation.
  • the spindle 16 can also have several regions with different pitches over its length if, for example, different propulsion speeds are to be achieved in a targeted manner, for example if the products are layered and are to be dispensed in different amounts and the like.
  • the actuating element for the spindle 16 is not formed by the actuating buttons 4 with an associated gear wheel, but in another way, e.g. as a bike or the like ..

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Confectionery (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Disclosed is a dispenser (1) for a cream-type material or material which can be deposited by applying it to a surface, comprising a chamber (5) with a discharge opening (10) for receiving and storing said material, a spindle which is rotationally and longitudinally-axially arranged in the chamber (5), a piston (18) which can move inside said chamber (5) along the spindle (16) by rotation thereof (18), and an actuating element (4) for the spindle, which is rotationally fixed to said spindle (16), said spindle (16) being provided with a least two regions (16a, 16b) having various thread pitches along the length thereof.

Description

Spendervorrichtung für eine cremeförmige oder durch Bestreichen einer Oberfläche sich abtragenden MasseDispensing device for a cream-shaped or ablative mass
Die Erfindung betrifft eine Spendervorrichtung für eine cremeförmige oder durch Bestreichen einer Oberfläche sich abtragenden Masse mit einem Raum mit Abgabeöffnung zur Aufnahme und Bevorratung der Masse, einer in dem Raum längsaxial und drehbar angeordneten Spindel, einem in dem Raum entlang der Spindel durch Drehen derselben bewegbaren Kolben und einem in fester Drehverbindung mit stehendem Betätigungselement für die Spindel.The invention relates to a dispensing device for a cream-shaped or ablating mass, with a space with a discharge opening for receiving and storing the mass, a spindle arranged axially and rotatably in the space, and a piston movable in the space along the spindle by rotating the same and a fixed slewing ring with a standing actuator for the spindle.
Eine solche Spendervorrichtung ist aus DE 199 21 662 A1 der Anmelderin bekannt. Dabei ist das Betätigungselement für die Spindel von einem außerhalb des Raumes in fester Drehverbindung zu der Spindel angeordneten Zahnrad und wenigstens einer an der Spendervorrichtung angeordneten Betätigungstaste mit angeformtem Stößelelement gebildet, wobei die wenigstens eine Betätigungstaste mit Stößelelement derart relativ zu dem Zahnrad von einer Ruhestellung in eine Endstellung und zurück bewegbar angeordnet ist, dass bei Betätigung der Betätigungstaste von der Ruhe- in die Endstellung das Stößelelement in Eingriff mit einem Zahn des Zahnrades gelangt und dieses dreht. Diese Spendervorrichtung wird vom Benutzer in der Hand gehalten und es wird wenigstens eine Betätigungstaste betätigt, wodurch die Spindel um einen vorgegebenen Drehwinkel gedreht wird, wodurch der Kolben um ein gewisses Maß in Längsrichtung in Richtung zur Abgabeöffnung hin bewegt und Produkt aus der Spendervorrichtung abgegeben werden kann. Solche Spendervorrichtungen werden in erster Linie für die Abgabe von Cremes oder als Deo-Stick verwendet.Such a dispenser device is known from DE 199 21 662 A1 by the applicant. The actuating element for the spindle is formed by a gearwheel arranged outside the space in a fixed rotary connection to the spindle and at least one actuating button arranged on the dispenser device with an integrally formed tappet element, the at least one actuating button with a tappet element being relative to the gearwheel from a rest position into one End position and movable back is arranged that when the actuation button is actuated from the rest position to the end position, the tappet element engages with a tooth of the gearwheel and rotates it. This dispenser device is held in the hand of the user and at least one actuation button is actuated, whereby the spindle is rotated by a predetermined angle of rotation, whereby the piston is moved to a certain extent in the longitudinal direction towards the dispensing opening and product can be dispensed from the dispenser device , Such dispensing devices are primarily used for dispensing creams or as a deodorant stick.
Die Abfüllung der Masse erfolgt üblicherweise in die Spendervorrichtung selbst, wobei sich dann der Kolben in der untersten Stellung befindet. Die Abfüllung geschieht dabei üblicherweise von oben, wodurch sich nicht vermeiden läßt, dass bei der Abfüllung im oberen Bereich ein Leerraum (Totvolumen) entsteht. Dieses Totvolumen ist vorgegeben durch die Höhe der Spendervorrichtung und ggf. die Applikatorform, insbesondere die Wölbung der Applikatorform. Dieser Applikator, der bei Verwendung der Vorrichtung für Cremes benötigt wird, wird in der Regel aufgeprellt oder aufgeschraubt. Zusätzlich kann das Totvolumen auch produktbedingt sein, d.h. das Produktvolumen kann nach dem Einfüllvorgang abnehmen, z.B. durch Luftblasen, die nach dem Befüllen entweichen.The mass is usually filled into the dispenser device itself, the piston then being in the lowest position. The filling usually takes place from above, which means that it cannot be avoided that an empty space (dead volume) is created in the upper area. This dead volume is predetermined by the height of the dispensing device and, if applicable, the Applicator shape, in particular the curvature of the applicator shape. This applicator, which is required when using the device for creams, is usually bounced or screwed on. In addition, the dead volume can also be product-related, ie the product volume can decrease after the filling process, for example due to air bubbles that escape after filling.
Bedingt durch dieses Totvolumen zwischen der Abgabeöffnung und der Masse ist es notwendig, vor der ersten Anwendung die Betätigungstaste vielfach zu betätigen, um die Masse bis in den Bereich der Abgabeöffnung zu verschieben, da die Spindel und der Kolben so ausgelegt sind, dass bei einmaliger Betätigung der Betätigungstaste sich der Kolben nur geringfügig verschiebt und dadurch nur eine geringfügige, genau dosierte Produktmenge abgegeben wird. Die erstmalige Betätigung der Vorrichtung ist deshalb für den Benutzer sehr umständlich, bei bekannten Vorrichtungen dieser Art für cremeförmige Produkte ist es beispielsweise notwendig, die Betätigungstaste 50 bis 60 mal zu betätigen, bevor erstmalig Produkt austritt.Due to this dead volume between the discharge opening and the mass, it is necessary to press the actuation key several times before the first use in order to move the mass into the region of the discharge opening, since the spindle and the piston are designed so that they can be actuated once the actuation button, the piston moves only slightly and therefore only a small, precisely dosed amount of product is dispensed. The first actuation of the device is therefore very cumbersome for the user. In known devices of this type for cream-shaped products, for example, it is necessary to press the actuation button 50 to 60 times before the product emerges for the first time.
Um diesem unbefriedigenden Zustand abzuhelfen, könnte grundsätzlich die Gewindesteigung der Spindel vergrößert werden. Dies hätte jedoch die nachteilige Folge, dass auch nach der Überwindung des Totvolumens bei der weiteren Betätigung der Vorrichtung anschließend bei Betätigung der Betätigungstaste der Kolben um ein entsprechend großes Maß in Richtung zur Abgabeöffnung verschoben würde, so dass jeweils zu viel Produktmasse austräte. Die gewünschte geringe Produktdosierung bei einmaliger Betätigung der Betätigungstaste ließe sich dann nicht mehr realisieren.In order to remedy this unsatisfactory condition, the thread pitch of the spindle could in principle be increased. However, this would have the disadvantageous consequence that even after overcoming the dead volume when the device is actuated further, when the actuation button is actuated, the piston would be displaced by a correspondingly large amount in the direction of the dispensing opening, so that in each case too much product mass would escape. It would then no longer be possible to achieve the desired low product dosage when the actuation button was pressed once.
Aufgabe der Erfindung ist es deshalb, eine Lösung zu schaffen, mit der die erstmalige Produktabgabe wesentlich vereinfacht wird, und trotzdem nach erstmaliger Produktabgabe eine geringe, genau dosierte Produktabgabe pro Betätigungsvorgang erhalten bleibt.The object of the invention is therefore to provide a solution with which the initial product delivery is considerably simplified, and nevertheless a small, precisely metered product delivery per actuation process is retained after the first product delivery.
Diese Aufgabe wird bei einer Spendervorrichtung der eingangs bezeichneten Art erfindungsgemäß dadurch gelöst, dass die Spindel über ihrer Länge wenigstens zwei Bereiche mit unterschiedlicher Gewindesteigung aufweist.This object is achieved in a dispenser device of the type described in the introduction solved according to the invention in that the spindle has at least two areas with different thread pitch over its length.
Mit einer derart gestalteten Spendervorrichtung ist es möglich, dem vorgenannten Problem abzuhelfen. So kann gezielt der an das Betätigungselement angrenzende untere Gewindebereich der Spindel eine größere Gewindesteigerung aufweisen als der übrige Bereich der Spindel, was zur Folge hat, dass bei der Ingebrauchnahme der Vorrichtung bei den erstmaligen Betätigungen des Betätigungselementes der Kolben mit einem größeren Vorschub in Richtung zur Ausgabeöffnung bewegt wird, so dass das Totvolumen schnell überwunden wird. Nach Überwindung dieses Totvolumens gelangt dann der Kolben in den Bereich der Spindel mit kleinerer Gewindesteigung, so dass die gewünschte geringe Produktdosierung bei jeweils einmaliger Betätigung des Betätigungselementes unverändert gewährleistet ist. Es versteht sich, dass der Kolben so ausgelegt sein muss, dass er jeweils zum Zusammenwirken mit dem jeweiligen Gewindebereich der Spindel geeignet ist, was auf unterschiedliche Weise realisierbar ist.With a dispenser device designed in this way, it is possible to remedy the aforementioned problem. For example, the lower threaded area of the spindle adjacent to the actuating element can have a greater thread increase than the rest of the area of the spindle, which has the consequence that when the device is put into operation the first time the actuating element is actuated, the piston moves at a greater rate towards the dispensing opening is moved so that the dead volume is quickly overcome. After overcoming this dead volume, the piston then enters the area of the spindle with a smaller thread pitch, so that the desired low product dosage is guaranteed unchanged when the actuating element is actuated once. It goes without saying that the piston must be designed in such a way that it is suitable for interacting with the respective threaded area of the spindle, which can be achieved in different ways.
Neben den vorgeschilderten Vorteilen bietet die erfindungsgemäße Spendervorrichtung ferner die Möglichkeit, beim Vorsehen mehrerer Spindelbereiche mit unterschiedlicher Gewindesteigung den Kolben auf seinem Verschiebeweg entlang der Spindel bei jeweils einmaliger Betätigung des Betätigungselementes um ein unterschiedliches Maß in Längsrichtung zu verschieben, wodurch unterschiedliche Dosiermengen abgegeben werden. Dies kann beispielsweise dann zweckmäßig sein, wenn die in der Vorrichtung enthaltene Produktmasse schichtförmig aufgebaut ist und/oder aus verschiedenen Produktbestandteilen besteht, welche in unterschiedlicher Weise dosiert werden sollen. Ferner kann auch vorgesehen sein, dass aufgrund einer höheren Steigerung der Gewindespindel im freien Endbereich der Spindel der Verschiebeweg des Kolbens im Endbereich größer gewählt wird, um am Ende des Verschiebeweges mehr Produkt abzugeben. Dies kann beispielsweise dann von Vorteil sein, wenn die Produkteigenschaften sich im Laufe der Zeit verschlechtern bzw. nachlassen, so dass dann automatisch bei weitgehend entleerter Vorrichtung eine größere Produktmenge abgegeben wird.In addition to the advantages outlined above, the dispenser device according to the invention also offers the possibility of shifting the piston by a different amount in the longitudinal direction on its displacement path along the spindle, each time the actuating element is actuated, by providing a plurality of spindle regions with different thread pitches, as a result of which different metered quantities are dispensed. This can be expedient, for example, if the product mass contained in the device has a layered structure and / or consists of different product components which are to be metered in different ways. Furthermore, it can also be provided that, due to a higher increase in the threaded spindle in the free end region of the spindle, the displacement path of the piston in the end region is chosen to be larger in order to dispense more product at the end of the displacement path. This can be advantageous, for example, if the product properties deteriorate or deteriorate over time, so that a larger one is then automatically used when the device is largely empty Product quantity is delivered.
In besonders vorteilhafter Ausgestaltung ist vorgesehen, dass der erste näher zum Betätigungselement hin angeordnete Bereich der Spindel eine größere Gewindesteigung als der zweite, an den ersten angrenzende Bereich aufweist. Auf diese Weise ist es möglich, bei der erstmaligen Inbetriebnahme der Vorrichtung das vorgeschilderte Problem des Totvolumens durch eine geringe Anzahl von Betätigungen der Betätigungstaste handhabungsfreundlich zu überwinden.In a particularly advantageous embodiment, it is provided that the first region of the spindle which is arranged closer to the actuating element has a larger thread pitch than the second region adjoining the first. In this way, when the device is started up for the first time, it is possible to overcome the above-described problem of dead volume by handling the actuation button with a small number of operations.
Grundsätzlich können unterschiedliche Gewindeformen für die Spindel gewählt werden, beispielsweise Trapezgewinde, Sägezahngewinde, metrische Isogewinde, Whitworthgewinde und dergleichen. Besonders bevorzugt wird jedoch ein Rundgewinde verwendet.In principle, different thread shapes can be selected for the spindle, for example trapezoidal thread, sawtooth thread, metric iso thread, Whitworth thread and the like. However, a round thread is particularly preferably used.
Wenn die Spindel zwei Bereiche mit unterschiedlichen Gewindesteigungen aufweist, um die Problematik des Totvolumens zu lösen, ist vorgesehen, dass die Gewindesteigung des ersten Bereiches zwischen 9 und 12, vorzugsweise 9, und die des zweiten Bereiches etwa 4,5 beträgt.If the spindle has two areas with different thread pitches in order to solve the problem of dead volume, it is provided that the thread pitch of the first area is between 9 and 12, preferably 9, and that of the second area is approximately 4.5.
Um auf einfache Weise zu ermöglichen, dass der Kolben mit den verschiedenen Bereichen der Spindel funktionsmäßig zusammenwirkt, ist vorteilhaft vorgesehen, dass der Kolben innenseitig segmentförmige Ausprägungen mit unterschiedlich geneigten Auflageflächen für die Gewindesteigungen der Spindel aufweist. Dabei sind vorzugsweise drei bis fünf Segmente vorgesehen.To enable the piston to functionally interact with the various areas of the spindle in a simple manner, it is advantageously provided that the piston has segment-shaped features on the inside with differently inclined contact surfaces for the thread pitches of the spindle. Three to five segments are preferably provided.
Die segmentförmigen Ausprägungen des Kolbens können unterschiedlich gestaltet sein, beispielsweise rautenförmig oder rechteckig. Ganz besonders vorteilhaft sind sie rautenförmig gestaltet.The segment-shaped forms of the piston can be designed differently, for example diamond-shaped or rectangular. They have a particularly advantageous diamond-shaped design.
Die Erfindung ist nachstehend anhand der Zeichnung beispielhaft näher erläutert. Diese zeigt in: Fig. 1 und 2 Seitenansichten einer erfindungsgemäßen Spendervorrichtung,The invention is explained in more detail below with reference to the drawing. This shows in: 1 and 2 side views of a dispenser device according to the invention,
Fig. 3 einen Schnitt längs der Linie lll-lll in Figur 1 ,3 shows a section along the line III-III in FIG. 1,
Fig. 4 einen Schnitt längs der Linie IV-IV in Figur 2,4 shows a section along the line IV-IV in FIG. 2,
Fig. 5 eine Draufsicht auf den Kolben der Vorrichtung,5 is a plan view of the piston of the device,
Fig. 6 eine Seitenansicht des Kolbens,6 is a side view of the piston,
Fig. 7 ein vergrößertes Detail B gemäß Figur 5,7 shows an enlarged detail B according to FIG. 5,
Fig. 8 einen Längsschnitt durch den Kolben,8 shows a longitudinal section through the piston,
Fig. 9 ein vergrößertes Detail D der Figur 8,9 is an enlarged detail D of Figure 8,
Fig. 10 die Spindel der Vorrichtung undFig. 10, the spindle of the device and
Fig. 11 in vergrößerter Darstellung den unteren Bereich der Spindel.Fig. 11 in an enlarged view the lower region of the spindle.
Die in den Figuren 1 und 2 mit 1 bezeichnete Spendervorrichtung weist ein äußeres Gehäuse 2 mit einem oberseitigen abnehmbaren Deckel 3 auf. Sowohl der Deckel 3 als auch das Gehäuse 2 sind beim Ausführungsbeispiel querschnittlich von ovaler Grundfläche. In den Seitenflächen des Gehäuses 2 sind diametral gegenüberliegend zwei Öffnungen ausgebildet, welche von der Innenseite der Spendervorrichtung 1 her von jeweils einer Betätigungstaste 4 durchdrungen sind. Die die Öffnungen durchdringenden Oberflächen der Betätigungstasten 4 schließen bündig und deren Konturen fortsetzend mit den angrenzenden Außenflächen des Gehäuses 2 ab. Wie am besten aus den Figuren 3 und 4 hervorgeht, ist innerhalb des Gehäuses 2 ein Raum 5 angeordnet. Dieser Raum 5 wird von im Querschnitt ebenfalls ovalförmig ausgebildeten Seitenwänden 6 sowie einer Bodenwand 7 begrenzt. An der der Bodenwand 7 abgewandten Seite ist an den Seitenflächen 6 eine umlaufend auskragende Schürze 8 angeformt. Diese Schürze 8 weist an ihren den Betätigungstasten 4 zugerichteten Enden einen größeren Abstand zu den Seitenwänden 6 auf als an ihren Längsseiten. Die Schürze 8 greift über einen Randbereich 9 des äußeren Gehäuses 2, derart, dass der Raum 5 dadurch am oberen Randbereich des Gehäuses 2 befestigt ist. Der Raum 5 ist somit von oben in das einen Boden aufweisende Gehäuse 2 eingeschoben. Die Schürze 8 umgibt eine Abgabeöffnung 10 des Raumes 5.The dispenser device designated by 1 in FIGS. 1 and 2 has an outer housing 2 with a removable cover 3 on the top side. Both the cover 3 and the housing 2 are cross-sectionally oval in the exemplary embodiment. Two openings are formed diametrically opposite each other in the side surfaces of the housing 2, each of which is penetrated by an actuation button 4 from the inside of the dispensing device 1. The surfaces of the actuating buttons 4 penetrating the openings are flush and their contours continue with the adjacent outer surfaces of the housing 2. As can best be seen from FIGS. 3 and 4, a space 5 is arranged inside the housing 2. This space 5 is delimited by side walls 6, which are also oval in cross section, and a bottom wall 7. On the side facing away from the bottom wall 7, an all-round cantilever skirt 8 is formed on the side surfaces 6. This apron 8 has at its ends facing the actuation buttons 4 a greater distance from the side walls 6 than on its long sides. The apron 8 extends over an edge region 9 of the outer housing 2 in such a way that the space 5 is thereby fastened to the upper edge region of the housing 2. The space 5 is thus inserted from above into the housing 2 having a bottom. The apron 8 surrounds a delivery opening 10 of the room 5.
Im Zentrum der Bodenwand 7 ist eine Öffnung ausgebildet. Diese Öffnung ist von einer ersten Zylinderwand 11 umgeben. Eine zweite Zylinderwand 12 umgibt diese erste Zylinderwand 11 mit Abstand, wobei die erste Zylinderwand 11 und die zweite Zylinderwand 12 über eine kreisringförmige Bodenfläche 13 miteinander verbunden sind. Die zweite Zylinderwand 12 ist mit der Bodenfläche 7 des Raumes 5 verbunden, so dass die zweite Zylinderwand 12 und die Bodenfläche 13 zusammen eine napfförmige Vertiefung der Bodenfläche 7 ausbilden. Ein dem Raum 5 zugewandter Randbereich 14 der ersten Zylinderwand 11 ist leicht nach innen geneigt ausgebildet und in einzelne Segmente durch Einschnitte unterteilt. Diese Segmente liegen an einer Hinterschneidung 15 einer Spindel 16 an, welche die Öffnung und den Raum 5 durchdringt und in dem Raum 5 längsaxial und drehbar angeordnet ist. Auf ihrer dem Raum 5 abgewandten Seite ist an der Spindel 16 ein Zahnrad 17 drehfest angeordnet, vorzugsweise ist das Zahnrad 17 an die Spindel 16 angeformt. Der Bereich der Hinterschneidung 15 und die dem Raum 5 zugewandte Fläche des Zahnrades 17 sind derart beabstandet, dass die Spindel 16 durch den Randbereich 14 und die kreisringförmige Bodenfläche 13 des Raumes 5 gegen längsaxiale Bewegung gesichert ist.An opening is formed in the center of the bottom wall 7. This opening is surrounded by a first cylinder wall 11. A second cylinder wall 12 surrounds this first cylinder wall 11 at a distance, the first cylinder wall 11 and the second cylinder wall 12 being connected to one another via an annular bottom surface 13. The second cylinder wall 12 is connected to the bottom surface 7 of the space 5, so that the second cylinder wall 12 and the bottom surface 13 together form a cup-shaped depression in the bottom surface 7. An edge region 14 of the first cylinder wall 11 facing the space 5 is designed to be slightly inclined inwards and divided into individual segments by incisions. These segments rest on an undercut 15 of a spindle 16 which penetrates the opening and the space 5 and is arranged in the space 5 in a longitudinally axial and rotatable manner. On its side facing away from the space 5, a gear 17 is arranged on the spindle 16 in a rotationally fixed manner, preferably the gear 17 is integrally formed on the spindle 16. The area of the undercut 15 and the area of the gearwheel 17 facing the space 5 are spaced apart such that the spindle 16 is secured against longitudinal axial movement by the edge area 14 and the annular bottom surface 13 of the space 5.
Ein Kolben 18 ist innerhalb des Raumes 5 angeordnet und weist eine zentrale Öffnung 19 mit nachfolgend noch näher beschriebenem Gewinde auf, mittels welcher er durch Drehbewegung der Spindel 16 in dem Raum 5 auf- und abbewegbar ist.A piston 18 is arranged within the space 5 and has a central opening 19 with a thread, which will be described in more detail below, by means of which it can be moved up and down in the space 5 by rotating the spindle 16.
Die Betätigungstasten 4 weisen in Richtung auf die Abgabeöffnung 10 ausgerichtete Befestigungsstege 20 auf, die die Befestigung der Betätigungstasten 4 am Gehäuse 2 in einer eine Drehbewegung um eine Drehachse 21 ermöglichender Weise darstellen. Die Drehachsen 21 bilden den Drehpunkt der als Hebel ausgebildeten Betätigungstasten 4. Die andere Seite des Hebels wird von Stößelelementen 22 gebildet, die über einen jeweiligen Befestigungssteg 23 mit dem betreffenden Betätigungselement 4 verbunden sind. Die Stößelelemente 22 weisen einen steg- oder stabförmigen Grundkörper auf, der an den Befestigungsstegen 23 angeformt ist. An den Grundkörpern ist eine mit ihrer Spitze dem Zahnrad 16 zum Eingriff zwischen einzelne Zähne 24 des Zahnrades 16 zugewandte Nase 25 angeformt. Mit weiterem Abstand zu den jeweiligen Befestigungsstegen 23 als die jeweilige Nase 25 ist endseitig an dem jeweiligen Stößelelement 22 ein Abweissteg ausgebildet, was zeichnerisch nicht näher dargestellt ist. Hierzu wird auf die Offenbarung der DE 199 21 662 A1 Bezug genommen, welche eine vergleichbare Ausbildung des Stößelelementes 22 offenbart. Diese Abweisstege ragen mit abgewinkelter Erstreckung in zur Spitze der Nase 25 entgegengesetzter Richtung aus der Fläche der Stößelelemente 22 hervor.The actuation buttons 4 have fastening webs 20 which are oriented in the direction of the discharge opening 10 and which represent the fastening of the actuation buttons 4 to the housing 2 in a manner which enables a rotational movement about an axis of rotation 21. The axes of rotation 21 form the fulcrum of the actuation buttons 4 designed as levers. The other side of the lever is formed by tappet elements 22, which are connected to the respective actuation element 4 via a respective fastening web 23. The plunger elements 22 have a web-shaped or rod-shaped base body which is molded onto the fastening webs 23. A nose 25 facing the gear 16 for engagement between individual teeth 24 of the gear 16 is formed on the base bodies. At a further distance from the respective fastening webs 23 than the respective nose 25, a deflection web is formed on the end of the respective plunger element 22, which is not shown in the drawing. For this purpose, reference is made to the disclosure of DE 199 21 662 A1, which discloses a comparable design of the plunger element 22. These deflection webs protrude from the surface of the plunger elements 22 with an angled extension in the opposite direction to the tip of the nose 25.
Die Betätigungstasten 4 mit all ihren zusätzlichen Elementen sind vorzugsweise aus Kunststoff einteilig hergestellt. Die Anordnung und Lagerung der Betätigungstasten 4 an der mit dem äußeren Gehäuse 2 verbundenen Drehachse 21 ist derart ausgerichtet, dass in der in den Zeichnungen dargestellten Ruhestellung der Betätigungstasten 4 die Stößelelemente 22 tangential am Zahnrad 17 anliegen, wobei die Nasen 25 jeweils in den von zwei Zähnen 24 des Zahnrades 17 gebildeten Zwischenraum eingreifen.The actuation buttons 4 with all their additional elements are preferably made in one piece from plastic. The arrangement and mounting of the actuation buttons 4 on the axis of rotation 21 connected to the outer housing 2 is oriented such that in the rest position of the actuation buttons 4 shown in the drawings, the tappet elements 22 bear tangentially on the gearwheel 17, the lugs 25 in each of the two Teeth 24 of the gear 17 engage the space formed.
Im Anwendungs- bzw. Benutzungsfall betätigt der Verwender die Betätigungstasten 4 in Richtung der Pfeile 26. Dadurch werden die Stößelelemente 22 ebenfalls in Richtung der Pfeile 26 bewegt, schlagen mit ihren Nasen 25 an Zähnen 24 des Zahnrades 17 an und drehen dieses um einen vorgegebenen Drehwinkel, bis die Abweisstege vor den Stößelabweiser stoßen und die Stößelelemente 22 aufgrund ihrer inneren Elastizität derart an den Stößelabweisem abgelenkt werden, dass die Nasen 25 außer Eingriff mit den Zähnen 24 des Zahnrades 16 gelangen. Durch die von der Bewegung aus der Ruhestellung in die Endstellung der Betätigungstasten 4 erfolgter Drehung des Zahnrades 17 wird gleichzeitig die damit drehfest verbundene Spindel 15 gedreht und der Kolben 18 um ein gewisses Maß in Richtung auf die Abgabeöffnung zubewegt.In use, the user actuates the actuation buttons 4 in the direction of the arrows 26. As a result, the tappet elements 22 are also moved in the direction of the arrows 26, their noses 25 strike teeth 24 of the Gear 17 and rotate this by a predetermined angle of rotation until the deflecting webs come into contact with the tappet deflector and the tappet elements 22 are deflected on the tappet deflectors due to their internal elasticity such that the lugs 25 disengage from the teeth 24 of the toothed wheel 16. As a result of the rotation of the gearwheel 17 from the movement from the rest position into the end position of the actuation buttons 4, the spindle 15 connected to it in a rotationally fixed manner is rotated at the same time and the piston 18 is moved to the discharge opening to a certain extent.
Die Abgabeöffnung 10 ist mit einem mit einem stegförmigen Randbereich dichtend an den Seitenwänden 6 anliegenden und einen gewölbten Deckelbereich aufweisenden Deckelelement 27 verschlossen. Dabei ist beim Ausführungsbeispiel für die Abgabe von creme- oder gelförmiger Masse vorgesehen, dass das Deckelelement 27 mit einer Öffnung 28 versehen ist, durch welche bei Betätigung der Spenden/orrichtung 1 Produkt austreten kann. Wenn die Spendervorrichtung 1 als Deostick ausgebildet ist, ist keine Öffnung 28 vorgesehen und das Deckelelement 27 wird zusammen mit dem Deckel 3 von der Abgabeöffnung 10 bzw. dem Gehäuse 2 abgenommen, es ist dann vorzugsweise fest mit dem Deckel 3 verbunden.The dispensing opening 10 is closed by a cover element 27 with a web-shaped edge area sealingly against the side walls 6 and having a curved cover area. It is provided in the exemplary embodiment for dispensing cream or gel-like mass that the cover element 27 is provided with an opening 28 through which 1 product can escape when the dispensing device is actuated. If the dispensing device 1 is designed as a deodorant stick, no opening 28 is provided and the cover element 27 is removed together with the cover 3 from the dispensing opening 10 or the housing 2, it is then preferably firmly connected to the cover 3.
Wie am besten aus den Figuren 10 und 11 hervorgeht, weist die Spindel 16 über ihrer Länge wenigstens zwei Bereiche mit unterschiedlicher Gewindesteigung auf. Beim Ausführungsbeispiel ist näher zum Zahnrad 17 hin ein erster Bereich mit einer größeren Gewindesteigung vorgesehen, welcher mit 16a bezeichnet ist, an welchen ein zweiter Bereich mit kleinerer Gewindesteigung angrenzt, dieser Bereich ist mit 16b bezeichnet. Dabei sind vorzugsweise die jeweiligen Gewinde als Rundgewinde ausgebildet, die Gewindesteigung des ersten Bereiches 16a beträgt vorzugsweise etwa 9 und die des zweiten Bereiches 16b etwa 4,5.As can best be seen from FIGS. 10 and 11, the spindle 16 has at least two regions with different thread pitches over its length. In the exemplary embodiment, a first region with a larger thread pitch is provided closer to the gear wheel 17, which is denoted by 16a, to which a second region with a smaller thread pitch adjoins, this region is denoted by 16b. The respective threads are preferably designed as round threads, the thread pitch of the first region 16a is preferably approximately 9 and that of the second region 16b approximately 4.5.
Wie am besten aus den Figuren 7 bis 9 hervorgeht, sind in der Öffnung 19 des Kolbens 18 drei segmentförmige Ausprägungen 31 vorgesehen, die rautenförmig ausgebildet sind. Diese segmentförmigen Ausprägungen 31 weisen jeweils unter- schiedlich geneigte Auflageflächen 29, 30 für die Spindelbereiche 16a, 16b mit unterschiedlicher Gewindesteigung auf.As can best be seen from FIGS. 7 to 9, three segment-shaped features 31 are provided in the opening 19 of the piston 18 and are diamond-shaped. These segment-shaped features 31 each have differently inclined bearing surfaces 29, 30 for the spindle areas 16a, 16b with different thread pitches.
Diese Ausgestaltung des Spindelgetriebes hat folgenden Vorteil: Die im Raum 5 aufzunehmende Masse wird durch die Entnahmeöffnung 28 in die stehende Spendervorrichtung 1 abgefüllt. Dabei läßt es sich aufgrund verschiedener Ursachen nicht vermeiden, dass im oberen Bereich unterhalb des Deckelelementes 27 ein Totraum entsteht. Dies führt dazu, dass bei der erstmaligen Betätigung der Spendervorrichtung 1 zunächst kein Produkt, sondern dieses nur in Richtung zur Öffnung 28 bewegt wird, abgegeben wird. Dadurch, dass zunächst der Spindelbereich 16c mit größerer Gewindesteigung im Einsatz ist, ist der Vorschub des Kolbens 18 zunächst relativ groß, derart, dass die Betätigungstasten 4 nur einige Male betätigt werden müssen, bis erstmals Produkt abgegeben wird. Dabei wird durch die jeweilige Tastenbetätigung jeweils ein definierter Kolbenweg bzw. eine definierte Spindeldrehung erzeugt. Der Kolben 18 wandert dann in den zweiten Spindelbereich 16b mit geringerer Gewindesteigung, bei nachfolgenden Betätigungen der Betätigungstasten 4 bewegt sich dann der Kolben 18 nur noch mit geringem Vortrieb, weil durch die geringere Steigung die Drehung der Spindel pro Betätigungsvorgang der Tasten 4 kleiner ist. Dadurch wird nur die gewünschte geringe Produktmenge pro Betätigungsvorgang abgegeben.This embodiment of the spindle gear has the following advantage: the mass to be accommodated in space 5 is filled into the standing dispenser device 1 through the removal opening 28. For various reasons, it cannot be avoided that a dead space is created in the upper region below the cover element 27. This means that when the dispensing device 1 is actuated for the first time, no product is initially delivered, but rather it is only moved in the direction of the opening 28. Because the spindle area 16c with a larger thread pitch is initially used, the advance of the piston 18 is initially relatively large, in such a way that the actuation keys 4 only have to be actuated a few times until product is dispensed for the first time. A defined piston travel or a defined spindle rotation is generated by the respective key actuation. The piston 18 then moves into the second spindle area 16b with a smaller thread pitch, with subsequent actuations of the actuation buttons 4, the piston 18 then moves only with little propulsion because the rotation of the spindle per actuation process of the buttons 4 is smaller due to the smaller pitch. As a result, only the desired small amount of product is released per actuation.
Natürlich ist die Erfindung nicht auf das dargestellte Ausführungsbeispiel beschränkt, weitere Ausgestaltungen sind möglich, ohne den Grundgedanken zu verlassen. So kann die Spindel 16 über ihrer Länge auch noch mehrere Bereiche mit unterschiedlichen Steigungen aufweisen, wenn beispielsweise gezielt unterschiedliche Vortriebsgeschwindigkeiten erreicht werden sollen, z.B., wenn es sich um schichtartig aufgebaute Produkte handelt, die in unterschiedlicher Dosiermenge abgegeben werden sollen und dgl. mehr. Ferner kann auch vorgesehen sein, dass das Betätigungselement für die Spindel 16 nicht von den Betätigungstasten 4 mit zugeordnetem Zahnrad gebildet wird, sondern auf andere Weise, z.B. als Rad oder dgl.. Of course, the invention is not limited to the exemplary embodiment shown, further configurations are possible without departing from the basic idea. For example, the spindle 16 can also have several regions with different pitches over its length if, for example, different propulsion speeds are to be achieved in a targeted manner, for example if the products are layered and are to be dispensed in different amounts and the like. Furthermore, it can also be provided that the actuating element for the spindle 16 is not formed by the actuating buttons 4 with an associated gear wheel, but in another way, e.g. as a bike or the like ..

Claims

Ansprüche: Expectations:
1. Spenden/orrichtung für eine cremeförmige oder durch Bestreichen einer Oberfläche sich abtragenden Masse mit einem Raum mit Abgabeöffnung zur Aufnahme und Bevorratung der Masse, einer in dem Raum längsaxial und drehbar angeordneten Spindel, einem in dem Raum entlang der Spindel durch Drehen derselben bewegbaren Kolben und einem in fester Drehverbindung mit der Spindel stehenden Betätigungselement für die Spindel, dadurch gekennzeichnet, dass die Spindel (16) über ihrer Länge wenigstens zwei Bereiche (16a, 16b) mit unterschiedlicher Gewindesteigung aufweist.1.Dispensing device for a cream-shaped or ablating mass with a space with a discharge opening for receiving and storing the mass, a spindle arranged axially and rotatably in the space, a piston movable in the space along the spindle by rotating the same and an actuating element for the spindle which is in a fixed rotary connection with the spindle, characterized in that the spindle (16) has at least two regions (16a, 16b) with different thread pitches over its length.
2. Spenden/orrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der erste näher zum Betätigungselement hin angeordnete Bereich (16a) der Spindel (16) eine größere Gewindesteigung aufweist als der zweite, an den ersten angrenzende Bereich (16b).2. Dispensing device according to claim 1, characterized in that the first region (16a) of the spindle (16) arranged closer to the actuating element has a larger thread pitch than the second region (16b) adjacent to the first.
3. Spendervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die beiden Spindelbereiche (16a, 16b) jeweils ein Rundgewinde aufweisen.3. Dispenser device according to claim 1 or 2, characterized in that the two spindle areas (16a, 16b) each have a round thread.
4. Spenden/orrichtung nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, dass die Gewindesteigung des ersten Bereiches (16a) etwa 9 und die des zweiten Bereiches (16b) etwa 4,5 beträgt.4. Dispensing device according to claim 1 or one of the following, characterized in that the thread pitch of the first region (16a) is approximately 9 and that of the second region (16b) is approximately 4.5.
5. Spendervorrichtung nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, dass der Kolben (18) innenseitig segmentförmige Ausprägungen (31) mit unterschiedlich geneigten Auflageflächen (29,30) für die Gewindesteigungen (16a, 16b) der Spindel (16) aufweist.5. Dispenser device according to claim 1 or one of the following, characterized in that the piston (18) with segment-shaped features (31) on the inside has differently inclined bearing surfaces (29,30) for the thread pitches (16a, 16b) of the spindle (16).
6. Spenden/orrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Kolben (18) drei bis fünf segmentförmige Ausprägungen (31) aufweist.6. Donation / device according to claim 5, characterized in that the piston (18) has three to five segment-shaped forms (31).
7. Spendervorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die segmentförmigen Ausprägungen (31) des Kolbens (18) rautenförmig ausgebildet sind. 7. Dispenser device according to claim 5 or 6, characterized in that the segment-shaped features (31) of the piston (18) are diamond-shaped.
EP02735285A 2001-05-02 2002-04-23 Dispenser for a cream-type material or material which can be deposited by applying it a surface Expired - Lifetime EP1383405B1 (en)

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DE10121381 2001-05-02
DE10121381A DE10121381C1 (en) 2001-05-02 2001-05-02 Screw-action dispenser for applying streak of viscous creme has screw spindle with fine pitch thread over most of its length and short length of coarse thread at bottom
PCT/EP2002/004450 WO2002087384A1 (en) 2001-05-02 2002-04-23 Dispenser for a cream-type material or material which can be deposited by applying it a surface

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IL158686A0 (en) 2004-05-12
RU2003134950A (en) 2005-02-27
DE50201789D1 (en) 2005-01-20
US20040206783A1 (en) 2004-10-21
US7389894B2 (en) 2008-06-24
CZ295809B6 (en) 2005-11-16
CN100508823C (en) 2009-07-08
CZ20032974A3 (en) 2004-01-14
AU2002310869B2 (en) 2006-05-25
ATE284634T1 (en) 2005-01-15
UA74261C2 (en) 2005-11-15
SK13532003A3 (en) 2004-03-02
DE10121381C1 (en) 2002-10-24
WO2002087384A1 (en) 2002-11-07
PL193217B1 (en) 2007-01-31
AR033877A1 (en) 2004-01-07
RU2306095C2 (en) 2007-09-20
PL366824A1 (en) 2005-02-07
CN1505485A (en) 2004-06-16
ES2232755T3 (en) 2005-06-01
EP1383405B1 (en) 2004-12-15
SK286099B6 (en) 2008-03-05

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