EP0513001B1 - Lead for cosmetic pencil - Google Patents

Lead for cosmetic pencil Download PDF

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Publication number
EP0513001B1
EP0513001B1 EP90917293A EP90917293A EP0513001B1 EP 0513001 B1 EP0513001 B1 EP 0513001B1 EP 90917293 A EP90917293 A EP 90917293A EP 90917293 A EP90917293 A EP 90917293A EP 0513001 B1 EP0513001 B1 EP 0513001B1
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EP
European Patent Office
Prior art keywords
cosmetic
wax
filling
sleeve
refill
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.)
Expired - Lifetime
Application number
EP90917293A
Other languages
German (de)
French (fr)
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EP0513001A1 (en
Inventor
Thomas Weckerle
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Individual
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Individual
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Publication date
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Publication of EP0513001A1 publication Critical patent/EP0513001A1/en
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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
    • A45D40/16—Refill sticks; Moulding devices for producing sticks
    • 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
    • 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
    • A45D2040/0025—Details of lipstick or like casings
    • A45D2040/0031—Replacement of the stick
    • A45D2040/0043—Replacement of the stick by inserting the new stick at the upper, applying end of the casing

Definitions

  • the invention relates to a refill for a cosmetic stick made from a spreadable cosmetic mass intended for consumption and to a method for producing the cosmetic stick.
  • the refill is filled into a sleeve, from which it is pushed out according to its consumption with a stamp, which increasingly penetrates the sleeve by rotating a grip part of the cosmetic pencil relative to the sleeve and the rear Pushes the end of the mine in front of you.
  • the lead adheres to the inside of the sleeve to a greater or lesser extent, with higher adhesive forces occurring in particular with sleeves made of plastic.
  • the stamp which is provided with an external thread and whose outside diameter is somewhat smaller than the inside diameter of the sleeve, penetrates into the soft lead material, while the lead adheres to the inside wall of the sleeve.
  • the present invention has for its object to avoid such destruction of the mine, even if the aforementioned adhesive forces occur undiminished.
  • this proposal means a relatively small additional effort, which consists in filling wax to form the wax plug in a filling station. This can be done within the same filling station through a second supply line for the wax or in two successive filling stations, the cosmetic mass and then the wax being expediently filled in because of the difference in density.
  • the wax hardened into a plug acts like a piston made of solid material.
  • the stopper lies sealingly against the inner wall of the sleeve and can be easily pushed forward by the stamp screwing increasingly into the sleeve in the sleeve, displacement of the spreadable cosmetic composition behind the stopper being impossible.
  • cosmetic mass and wax plugs are used instead of being poured into a mold directly into the sleeve of the cosmetic pencil. In this way, there is no need to separately move the lead provided with the plug from the casting mold into the sleeve.
  • the method according to the invention or the use of the refill according to the invention enables in particular the use of cosmetic pencils with a simple structure, i.e. while avoiding another component, which has the function of the extension piston.
  • the stamp has at its front end such a component in the form of a cup which is open towards the front and into which the associated end of a refill made of soft cosmetic material is inserted.
  • This solution is disadvantageous both because of the larger number of its components and because of its complex assembly.
  • any wax that is solid at ambient temperature in particular hard wax, for example simple candle wax (paraffin), can be used as the material for the wax plug.
  • the wax is in the sleeve or in poured a special mold in the liquefied state, expediently directly on the liquid level of the cosmetic mass already filled. Since this has a higher density than the wax, there is no mixing of the two materials, so that the entire volume of the cosmetic composition is available for cosmetic use.
  • FIG. 1 shows a cosmetic stick 1 with a handle part 2, a stamp 3 accommodated therein, and a sleeve 4 which is rotatably but axially immovably received in the handle part.
  • the lead 5 is filled into the sleeve 4. It comprises the actual cosmetic composition 6 and in its rearward extension a plug 7 made of hard wax.
  • the end face 8 of the stamp 3 presses against the stopper 7, which pushes the soft cosmetic mass 6 in front of it like a piston, the further the stamp 3 screws into the interior of the sleeve 4.
  • the stamp 3 is arranged in the interior of the handle part 2 in a rotationally fixed but axially displaceable manner.
  • station I the soft cosmetic mass is filled into the sleeve 4.
  • station I the soft cosmetic mass is filled into the sleeve 4.
  • the outer end of the sleeve 4 is inserted into a corresponding bore in a casting mold 10.
  • a cannula 11 loaded with cosmetic mass which is shown in the retracted position, penetrates from this position through the bore of the internal thread 9 into the sleeve 4 up to a lower position shown in dash-dotted lines and, during its retraction movement upwards, takes care of the filling of the cosmetic mass 6.
  • the plug of hard wax is filled in, whereby the heated wax is applied in liquid form through a further cannula 12 to the liquid level of the cosmetic composition 6 in the lower filling position of the cannula 12, shown in dash-dot lines. Due to the lower density of wax, it does not mix with the cosmetic composition 6.
  • the sleeve 4 is mounted inside the handle part 2, as shown in FIG. 1; an annular bead 13 projecting inside the handle part 2 forms a snap connection with a corresponding annular groove 14 of the sleeve 4.

Abstract

A refill (5) for a cosmetic pencil (1) or the like comprises a spreadable cosmetic filling in a tubular sleeve (4) of the cosmetic pencil (1) capable of being gradually expulsed therefrom for use by means of a plunger (3), and is provided at its rear end with a wax plug (7) that acts as an expulsion piston, the cross-section of which corresponds to that of the refill (5).

Description

Die Erfindung betrifft eine Mine für einen Kosmetikstift aus einer streichfähigen für den Verbrauch bestimmten Kosmetikmasse und ein Verfahren zur Herstellung des Kosmetikstifts.The invention relates to a refill for a cosmetic stick made from a spreadable cosmetic mass intended for consumption and to a method for producing the cosmetic stick.

Bei einem bekannten Kosmetikstift (DE-PS 32 15 215) ist die Mine in eine Hülse eingefüllt, aus welcher sie entsprechend deren Verbrauch mit einem Stempel ausgeschoben wird, welcher durch Verdrehen eines Griffteils des Kosmetikstifts gegenüber der Hülse desselben zunehmend in diese eindringt und das rückwärtige Ende der Mine vor sich herschiebt. Je nach Abfüllmethode haftet die Mine mehr oder weniger stark an der Innenseite der Hülse, wobei höhere Adhäsionskräfte insbesondere bei Hülsen aus Kunststoff auftreten. Dabei kann es vorkommen, daß der mit einem Außengewinde versehene Stempel, dessen Außendurchmesser etwas kleiner ist als der Innendurchmesser der Hülse, in das weiche Minenmaterial eindringt, während die Mine an der Innenwand der Hülse haftet.In a known cosmetic pen (DE-PS 32 15 215) the refill is filled into a sleeve, from which it is pushed out according to its consumption with a stamp, which increasingly penetrates the sleeve by rotating a grip part of the cosmetic pencil relative to the sleeve and the rear Pushes the end of the mine in front of you. Depending on the filling method, the lead adheres to the inside of the sleeve to a greater or lesser extent, with higher adhesive forces occurring in particular with sleeves made of plastic. It can happen that the stamp, which is provided with an external thread and whose outside diameter is somewhat smaller than the inside diameter of the sleeve, penetrates into the soft lead material, while the lead adheres to the inside wall of the sleeve.

Demgegenüber liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine derartige Zerstörung der Mine zu vermeiden, selbst wenn die genannten Adhäsionskräfte unvermindert auftreten.In contrast, the present invention has for its object to avoid such destruction of the mine, even if the aforementioned adhesive forces occur undiminished.

Diese Aufgabe wird bei der genannten Mine dadurch gelöst, daß diese an ihrem rückwärtigen Ende durch einen Pfropfen aus Wachs od. dergl. bei Abkühlung auf Raumtemperatur erstarrendem Material verlängert ist, welcher einen Ausschubkolben bildet, dessen Querschnitt jenem der Mine entspricht.This object is achieved in the case of the mine in that it is extended at its rear end by a plug of wax or the like. When it cools to room temperature, the material solidifies, which forms an extension piston, the cross section of which corresponds to that of the mine.

Für die Herstellung der Mine bedeutet dieser Vorschlag einen verhältnismäßig geringen Mehraufwand, welcher darin besteht, daß in einer Befüllstation Wachs zur Ausbildung des Wachspfropfens eingefüllt wird. Dies kann innerhalb derselben Befüllstation durch eine zweite Zufuhrleitung für das Wachs oder in zwei aufeinanderfolgenden Befüllstationen erfolgen, wobei wegen des Dichteunterschieds zweckmäßig zuerst die Kosmetikmasse und danach das Wachs eingefüllt wird. Das zu einem Pfropfen ausgehärtete Wachs wirkt wie ein Kolben aus festem Werkstoff. Der Pfropfen liegt dichtend an der Innenwand der Hülse an und läßt sich leicht durch den sich zunehmend in die Hülse einschraubenden Stempel in der Hülse nach vorne schieben, wobei eine Verdrängung der streichfähigen Kosmetikmasse hinter den Pfropfen ausgeschlossen ist.For the production of the mine, this proposal means a relatively small additional effort, which consists in filling wax to form the wax plug in a filling station. This can be done within the same filling station through a second supply line for the wax or in two successive filling stations, the cosmetic mass and then the wax being expediently filled in because of the difference in density. The wax hardened into a plug acts like a piston made of solid material. The stopper lies sealingly against the inner wall of the sleeve and can be easily pushed forward by the stamp screwing increasingly into the sleeve in the sleeve, displacement of the spreadable cosmetic composition behind the stopper being impossible.

Nach einer besonders vorteilhaften Ausgestaltung der vorliegenden Erfindung werden Kosmetikmasse und Wachspfropfen statt zuerst in eine Gießform direkt in die Hülse des Kosmetikstifts eingefüllt. Auf diese Weise entfällt ein gesondertes Umsetzen der mit dem Pfropfen versehenen Mine aus der Gießform in die Hülse.According to a particularly advantageous embodiment of the present invention, cosmetic mass and wax plugs are used instead of being poured into a mold directly into the sleeve of the cosmetic pencil. In this way, there is no need to separately move the lead provided with the plug from the casting mold into the sleeve.

Das erfindungsgemäße Verfahren bzw. die Verwendung der erfindungsgemäßen Mine ermöglicht insbesondere den Einsatz von Kosmetikstiften mit einfachem Aufbau, d.h. unter Vermeidung eines weiteren Bauteils, welchem die Funktion des Ausschubkolbens zukommt. Bei einem bekannten Kosmetikstift (DE-PS 37 28 427) besitzt der Stempel an seinem vorderen Ende ein derartiges Bauteil in Form eines nach vorne offenen Körbchens, in welches das zugeordnete Ende einer aus weicher Kosmetikmasse bestehenden Mine hineingesteckt wird. Diese Lösung ist sowohl wegen der größeren Zahl ihrer Bauteile als auch wegen ihrer aufwendigen Montage nachteilig.The method according to the invention or the use of the refill according to the invention enables in particular the use of cosmetic pencils with a simple structure, i.e. while avoiding another component, which has the function of the extension piston. In a known cosmetic pen (DE-PS 37 28 427), the stamp has at its front end such a component in the form of a cup which is open towards the front and into which the associated end of a refill made of soft cosmetic material is inserted. This solution is disadvantageous both because of the larger number of its components and because of its complex assembly.

Während die streichfähige Komponente der Mine den bei Eyelinern bzw. Lidschattenstiften üblichen Kosmetikmassen entspricht, kommt als Werkstoff für den Wachspfropfen jedes beliebige bei Umgebungstemperatur feste Wachs, insbesondere Hartwachs, z.B. einfaches Kerzenwachs (Paraffin) in Frage. Das Wachs wird in die Hülse bzw. in eine spezielle Gießform in verflüssigtem Zustand eingefüllt, zweckmäßig direkt auf den Flüssigkeitsspiegel der bereits eingefüllten Kosmetikmasse. Da diese verglichen mit dem Wachs eine höhere Dichte besitzt, kommt es zu keiner Vermischung der beiden Werkstoffe, sodaß das gesamte Volumen der Kosmetikmasse für die kosmetische Anwendung zur Verfügung steht.While the brushable component of the lead corresponds to the cosmetic masses customary for eyeliners or eyeshadow sticks, any wax that is solid at ambient temperature, in particular hard wax, for example simple candle wax (paraffin), can be used as the material for the wax plug. The wax is in the sleeve or in poured a special mold in the liquefied state, expediently directly on the liquid level of the cosmetic mass already filled. Since this has a higher density than the wax, there is no mixing of the two materials, so that the entire volume of the cosmetic composition is available for cosmetic use.

Im folgenden wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnung erläutert. Es zeigt

Fig. 1
einen teilweise geschnittenen Kosmetikstift, in dessen Hülse eine erfindungsgemäße Mine eingefüllt ist und
Fig. 2
zwei Füllstationen zum Herstellen der erfindungsgemäßen Mine.
An exemplary embodiment of the invention is explained below with reference to the drawing. It shows
Fig. 1
a partially cut cosmetic stick, a refill according to the invention is filled into the sleeve and
Fig. 2
two filling stations for producing the mine according to the invention.

Fig. 1 zeigt einen Kosmetikstift 1 mit einem Griffteil 2, einem darin aufgenommenen Stempel 3, sowie einer drehbar aber axial unverschieblich im Griffteil aufgenommenen Hülse 4. In die Hülse 4 ist die Mine 5 eingefüllt. Sie umfaßt die eigentliche Kosmetikmasse 6 und in deren rückwärtiger Verlängerung einen Pfropfen 7 aus Hartwachs. Die Stirnfläche 8 des Stempels 3 drückt gegen den Pfropfen 7, welcher wie ein Kolben die weiche Kosmetikmasse 6 vor sich herschiebt, je weiter sich der Stempel 3 in das Innere der Hülse 4 hineinschraubt. Zu diesem Zweck ist der Stempel 3 im Inneren des Griffteils 2 drehfest jedoch axial verschieblich angeordnet. Durch Verdrehen des Griffteils 2 gegenüber der Hülse 4 schraubt sich der Stempel 3 mit seinem Außengewinde zunehmend durch die Gewindebohrung 9 der Hülse 4 in deren Inneres hinein.1 shows a cosmetic stick 1 with a handle part 2, a stamp 3 accommodated therein, and a sleeve 4 which is rotatably but axially immovably received in the handle part. The lead 5 is filled into the sleeve 4. It comprises the actual cosmetic composition 6 and in its rearward extension a plug 7 made of hard wax. The end face 8 of the stamp 3 presses against the stopper 7, which pushes the soft cosmetic mass 6 in front of it like a piston, the further the stamp 3 screws into the interior of the sleeve 4. For this purpose, the stamp 3 is arranged in the interior of the handle part 2 in a rotationally fixed but axially displaceable manner. By rotating the grip part 2 relative to the sleeve 4, the stamp 3 with its external thread increasingly screws through the threaded bore 9 of the sleeve 4 into its interior.

Fig. 2 zeigt ein Verfahren zur Herstellung der Mine 5 in zwei aufeinander folgenden Füllstationen. In Station I wird die weiche Kosmetikmasse in die Hülse 4 eingefüllt. Zu diesem Zweck wird die Hülse 4 mit ihrem äußeren Ende voraus in eine entsprechende Bohrung einer Gießform 10 hineingesteckt. Eine mit Kosmetikmasse beaufschlagte Kanüle 11, welche in der zurückgezogenen Stellung gezeigt ist, dringt aus dieser Position durch die Bohrung des Innengewindes 9 in die Hülse 4 ein bis zu einer strichpunktiert gezeichneten unteren Stellung und besorgt, während ihrer Rückzugsbewegung nach oben, das Einfüllen der Kosmetikmasse 6.2 shows a method for producing the mine 5 in two successive filling stations. In station I, the soft cosmetic mass is filled into the sleeve 4. For this purpose, the outer end of the sleeve 4 is inserted into a corresponding bore in a casting mold 10. A cannula 11 loaded with cosmetic mass, which is shown in the retracted position, penetrates from this position through the bore of the internal thread 9 into the sleeve 4 up to a lower position shown in dash-dotted lines and, during its retraction movement upwards, takes care of the filling of the cosmetic mass 6.

In der nachfolgenden Station II erfolgt das Einfüllen des Pfropfens aus Hartwachs, wobei das erhitzte Wachs in flüssiger Form durch eine weitere Kanüle 12 auf den Flüssigkeitspiegel der Kosmetikmasse 6 in der strichpunktiert gezeichneten unteren Füllstellung der Kanüle 12 aufgebracht wird. Infolge der geringeren Dichte von Wachs unterbleibt dessen Vermischen mit der Kosmetikmasse 6. Nach dem Befüllen in den beiden Füllstationen wird die Hülse 4 im Inneren des Griffteils 2 montiert, so wie in Fig. 1 dargestellt; ein im Inneren des Griffteils 2 vorspringender Ringwulst 13 bildet dabei eine Schnappverbindung mit einer entsprechenden Ringnut 14 der Hülse 4.In the following station II, the plug of hard wax is filled in, whereby the heated wax is applied in liquid form through a further cannula 12 to the liquid level of the cosmetic composition 6 in the lower filling position of the cannula 12, shown in dash-dot lines. Due to the lower density of wax, it does not mix with the cosmetic composition 6. After filling in the two filling stations, the sleeve 4 is mounted inside the handle part 2, as shown in FIG. 1; an annular bead 13 projecting inside the handle part 2 forms a snap connection with a corresponding annular groove 14 of the sleeve 4.

Claims (5)

  1. Refill (5) for a cosmetic pencil (1) or the like consisting of a spreadable cosmetic filling (6), which is introduced into a tubular sleeve (4) of the cosmetic pencil (1), in order to be gradually expelled therefrom for use by means of a plunger (3), characterised in that at its rear end, the refill (5) is extended by a plug (7) of wax or similar material which solidifies when cooled to room temperature, which forms an expulsion piston, whereof the cross-section corresponds to that of the refill (5).
  2. Method for producing a refill according to Claim 1, characterised in that on the one hand the cosmetic filling (6) and on the other hand the wax forming the plug (7) are respectively introduced in liquified form in succession into a mould.
  3. Method according to Claim 2, characterised in that the mould is connected for filling to two separate filling stations, one for the cosmetic filling (5), the other for the wax.
  4. Method according to Claim 2, characterised in that first of all the cosmetic filling (5), then the wax is introduced into the mould.
  5. Method according to Claim 2, characterised in that the sleeve (4) is used as the mould for the cosmetic pencil.
EP90917293A 1990-11-29 1990-11-29 Lead for cosmetic pencil Expired - Lifetime EP0513001B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1990/002049 WO1992009220A1 (en) 1990-11-29 1990-11-29 Refill for cosmetic pencils

Publications (2)

Publication Number Publication Date
EP0513001A1 EP0513001A1 (en) 1992-11-19
EP0513001B1 true EP0513001B1 (en) 1994-05-04

Family

ID=8165539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90917293A Expired - Lifetime EP0513001B1 (en) 1990-11-29 1990-11-29 Lead for cosmetic pencil

Country Status (4)

Country Link
EP (1) EP0513001B1 (en)
JP (1) JPH05502804A (en)
DE (1) DE59005650D1 (en)
WO (1) WO1992009220A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19504057C1 (en) * 1995-02-08 1996-01-04 Georg Linz Fabrik Moderner Sch Applicator for cosmetics in form of pen

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1941997A (en) * 1997-03-17 1998-10-12 Hokoku Plastics Mfg., Co., Ltd. Container for letting out rod-like content
JP4266797B2 (en) * 2003-12-11 2009-05-20 花王株式会社 Stick-shaped cosmetic with a medium dish
FR2869511B1 (en) * 2004-04-30 2006-07-14 Oreal PACKAGING AND APPLICATION DEVICE HAVING A DEVICE FOR REMOVING THE APPLICATION SURFACE
DE202006009892U1 (en) 2006-06-24 2007-11-08 H & M Gutberlet Gmbh Cosmetic product exchange unit for a base pen module of a cosmetic pen and set of such a cosmetic product exchange unit and a plurality of base pen modules
FR2944680B1 (en) * 2009-04-24 2012-06-08 Tokiwa Corp CONTAINER FOR EXTRUSION OF OBJECT IN BATON AND COSMETIC PRODUCT.
IT201700094966A1 (en) * 2017-08-22 2019-02-22 Cosmatic S R L Casting mold of make-up pencils
WO2020206340A1 (en) * 2019-04-04 2020-10-08 Coty Inc. Customizable lip coloring product

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502716A (en) * 1947-03-04 1950-04-04 Metalite Inc Lipstick container
GB915112A (en) * 1958-02-04 1963-01-09 Doleo Sa A refill of a ball point writing means
US3279999A (en) * 1964-07-02 1966-10-18 Lehn & Fink Products Corp Lipsticks
DE3215215C2 (en) * 1982-04-23 1985-11-14 Peter 8123 Peißenberg Weckerle Cosmetic pen
EP0272293A1 (en) * 1986-06-19 1988-06-29 The Spatz Corporation Eyeliner pencils
DE3916670A1 (en) * 1989-05-23 1990-11-29 Schwan Stabilo Schwanhaeusser APPLICATION DEVICE FOR COSMETIC APPLICATIONS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19504057C1 (en) * 1995-02-08 1996-01-04 Georg Linz Fabrik Moderner Sch Applicator for cosmetics in form of pen

Also Published As

Publication number Publication date
JPH05502804A (en) 1993-05-20
WO1992009220A1 (en) 1992-06-11
EP0513001A1 (en) 1992-11-19
DE59005650D1 (en) 1994-06-09

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