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WO2001013758A1 - Dispositif mecanique et procede de formation d'un dome sur un baton de cosmetique - Google Patents

Dispositif mecanique et procede de formation d'un dome sur un baton de cosmetique Download PDF

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Publication number
WO2001013758A1
WO2001013758A1 PCT/EP2000/007928 EP0007928W WO0113758A1 WO 2001013758 A1 WO2001013758 A1 WO 2001013758A1 EP 0007928 W EP0007928 W EP 0007928W WO 0113758 A1 WO0113758 A1 WO 0113758A1
Authority
WO
WIPO (PCT)
Prior art keywords
canister
dome
former
elastomer
puck
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.)
Ceased
Application number
PCT/EP2000/007928
Other languages
English (en)
Inventor
Edward Ross Story
Daniel John Heinz
Gregory Alan Lathrop
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.)
Hindustan Unilever Ltd
Unilever NV
Original Assignee
Hindustan Lever Ltd
Unilever NV
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 Hindustan Lever Ltd, Unilever NV filed Critical Hindustan Lever Ltd
Priority to AU64422/00A priority Critical patent/AU6442200A/en
Publication of WO2001013758A1 publication Critical patent/WO2001013758A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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

Definitions

  • cosmetic stick products and other solidified products that are topically applied to the skin which are dome-shaped at one end, such as AP-DEO (antiperspirant- deodorant) sticks
  • AP-DEO antiperspirant- deodorant
  • canister which has a plastic dome cap at one end, with a molten AP-DEO liquid.
  • the AP-DEO liquid cools and hardens thereby forming a dome shape inside the plastic dome cap.
  • the plastic dome cap can then be left in place to form a part of the consumer's package of the AP-DEO stick. It would be removed by the consumer prior to use .
  • dome-shaped cosmetic product without using the above-mentioned plastic dome cap. Doing so would reduce the amount of packaging required in the preparation of the dome-shaped cosmetic stick product and would thereby reduce the cost of producing such a product. It would also be desirable to be able to quickly and inexpensively, change the shape, logo, decoration or other design on a cosmetic stick product. It would also be desirable to prepare a dome-shaped cosmetic stick product without a plastic dome cap, and in a manner such that the AP-DEO filled canisters are inexpensively carried down the packing line.
  • the present invention is related to processes and devices for preparing such dome-shaped cosmetic stick products, which processes and devices have the above- described advantages .
  • U.S. Patent 4,793,959 discloses a process for stamping detergent bars with a die member wherein said die member comprises a non-elastomeric part and an elastomeric part, the non-elastomeric part carrying the elastomeric part at a position to contact the bar during stamping to the exclusion of the non-elastomeric part.
  • U.S. Patent 5,269,997 discloses a method for stamping a blank plastic material which involves placing the blank plastic material between a pair of mating die halves wherein the two elastomeric septums are inserted , one across each die half, thereby substantially preventing the plastic material from adhering to the die halves .
  • U.S. Patent 5,229,059 discloses a process for shaping an end of a solid cosmetic stick such as a deodorant or antiperspirant.
  • the process includes the steps of filling a package body with a molten cosmetic , composition, solidifying the composition into stick form, heating a mold or package cap, elevating the stick to extend the package body opening, and contacting an end portion of the stick with the heated die or cap.
  • U.S. Patent 5,312,240 discloses an apparatus for shaping an end of a solid cosmetic stick such as a deodorant or antiperspirant.
  • the apparatus operates through a method that includes the steps of filling a package body with a molten cosmetic, composition, solidifying the composition into stick form, heating a mold or package cap, elevating the stick to extend the package body opening, and contacting an end portion of the stick with the heated die or cap.
  • U.S. Patent 4,518,553 discloses a process for producing a wax-like stick product by pouring molten ingredients into the open bottom of a container for the stick, cooling to partial solidification, heating to melt the upper surface, inserting a twist -up assembly in the open bottom which also closes the bottom, and cooling to solidify the stick product .
  • U.S. Patent 4,552,161 discloses a package for wax-like cosmetic stick product having a twist-up in the bottom of the package, the twist -up comprising a base, spindle and elevator, and a cap affixed to the package wherein said package is filled through the bottom through an opening in the elevator.
  • U.S. Patent 4,700,448 discloses a making a wax-like cosmetic stick having an improved contour on its upper surface, by filling at the open bottom of the case with the stick material in a molten state, the case having a cap which provides the contour, allowing the stick to partially solidify, while maintaining the upper surface molten, placing a push-up device in the bottom of the case, seating the push-up device against the upper molten surface, said push-up being designed to allow substantially all of the air to escape during seating, then allowing final solidification of the stick.
  • U.S. Patent 4,377,549 discloses a method of finish forming thermoplastic surfaces wherein a die having a finishing surface complementary in contour to and conforming in surface finish to the selected contour and the surface finish of the thermoplastic surface is heated to a temperature between the softening and melting temperatures of the thermoplastic. The finishing surface of the die is pressed against the thermoplastic surface so that the thermoplastic is softened and flows to conform precisely to the contour and surface finish of the finishing surface of the die .
  • U.S. Patent 4,915,528 discloses a dispenser of the propel/repel type, typically used for solid stick deodorants .
  • U.S. Patent 4,899,977 discloses a method and apparatus for the manufacture of filler sticks for cosmetic sticks and the like.
  • U.S. Patent 4,605,330 discloses a dispensing container for solid stick-type products which is adapted to be bottom filled with molten solid stick-type product while in a completely assembled condition.
  • U.S. Patent 4,595,124 discloses a container for dispensing semi-solid products consisting of a cylindrical body having a rounded closed applicator end and an opposite open ended base.
  • U.S. Patent 4,545,696 discloses a deodorant case of the propel-repel type, which has a propel-repel assembly which is received in one end of the casing body.
  • U.S. Patent 4,298,036 discloses a dispenser for cosmetic stick solids which has among other elements a screw-on or snap-on cap which operates in conjunction with similar members on the mouth of the cylindrical container of the dispenser.
  • U.S. Patent 4,841,826 discloses a method and apparatus for shaping a solid body of soft material wherein the body is notched on one side, a rough cutter moves inwardly through the other side of the body to enter the closed end of the notch and sever the body material without breaking, and a finish cutter then removes relatively little material to produce a finish cut.
  • U.S. Patent 4,624,810 discloses a solid stick composition, in a container, which is moved through a protective tunnel wherein the stick is cooled to effect solidification, remelted to fill any void in the stick, and polished, by heating and cooling, with filtered air flowing through the tunnel to remove heat therefrom.
  • U.S. Patent 4,147,750 discloses a method for eliminating shrinkage cavities in cast cosmetic sticks and similar products which comprises preparing a wax-based applicator stick by pouring a melt of said wax-based material into a dispenser container, allowing said material to cool to a semi-solid state, inserting a tubular prong into the center of said mass, withdrawing the same to form a cavity and the flaming the mass to eliminate the cavity so formed.
  • U.S. Patent 2,879 548 discloses a method for filling lipstick containers which uses a removable lipstick mold and shaping mechanism which is receivable within the container but which is withdrawn therefrom after the lipstick substance has hardened into set form.
  • U.S. Patent 4,369,158 discloses a method for making a package for a wax-like cosmetic stick having a twist-up in the bottom of the package, the twist-up comprising a base, spindle and elevator, vents in both said base and elevator, and a cap fixed to the package.
  • the present invention relates to a device and process for preparing dome-shaped cosmetic stick products and hygienic stick products (such as an AP-DEO stick) without the use of a plastic dome cap which comprises filling a canister with a molten liquid cosmetic product.
  • the canister is fitted with the elastomeric former in place at one end of the canister.
  • the elastomeric former is removed after the cosmetic product hardens.
  • the process and device of the invention are useful in the preparation of AP-DEO sticks, especially where such AP-DEO sticks are initially made from high-solids content molten liquids.
  • the temperature of the puck is normally allowed to be at ambient temperature and the following parameters are desirably controlled:
  • the former can be part of a member designed to carry the canister or stick product down the manufacturing line.
  • This member is also known as a puck.
  • the invention also relates to a puck of modular design such that just the part of the puck that forms the dome can be changed (rather than the whole puck assembly) in order to change the shape, the logo, the decoration, or other design, of the cosmetic stick product, quickly and inexpensively.
  • the former within the puck of modular design is a low hardness elastomer and is of concave shape, usually, and is made to contact a canister prior to filling with liquid or semi-solid cosmetic product.
  • the part of it which contacts the liquid or semisolid cosmetic product can be replaced with another part, so as to change the shape, the logo, the decoration or other design.
  • a seal is usually formed between the canister and former. Flexible protuberances molded around the circumference of the former can form this seal . These protuberances can be many shapes as described below.
  • the elastomeric former can be of any formulation.
  • the specific elastomer will depend on the cosmetic product being formed, its properties and the production conditions.
  • the elastomer is of low hardness and has a surface that is not chemically or physically attracted to the cosmetic or AP-DEO material
  • Fillers can be used to modify the elastomeric material such that desirable properties such as tear resistance, low or high surface energies can be achieved.
  • a process for preparing a cosmetic stick composition which is shaped at one end, comprising a cosmetic material such as an AP-DEO material .
  • Figure 1 is a perspective view of a puck and canister in accordance with the invention.
  • Figure 2 is a cross-sectional front view of a puck according to the invention.
  • Figure 3 is a cross-sectional side view of a puck and canister according to the invention.
  • Figure 4 is a plan view of the puck according to Fig. 3 and the former.
  • Figure 5 is a cross section showing one canister wall engaged by the protuberances of a partially shown former
  • the invention relates to a former contained within a puck used for making a dome shape on one end of a cosmetic stick product.
  • the puck and former can be integral, that is the puck can be made entirely of elastomeric material.
  • the puck can be made of plastic or some similar material. Such a puck would be coated with elastomer.
  • the puck can be made of plastic or some similar material and have an elastomeric former inserted in it.
  • the present invention can use a puck with an elastomeric former.
  • the former is concave in its shape.
  • the puck former could also be any shape which is similar to a concave.
  • the former could be flat with a decoration cut into it or a decoration protruding from it. It will be understood that when the elastomeric puck assembly is discussed in this specification, that other concave like shapes are also being included within this term.
  • a purpose of the invention is to form or shape a dome on a cosmetic stick product, such as an AP-DEO stick product without the use of a plastic dome cap.
  • the concave shaped former contacts the empty canister to form a seal.
  • the canister is filled with liquid or semi- solid cosmetic product.
  • the former within the puck thereby forms a dome shaped top at one end of the cosmetic stick product.
  • the cosmetic product is allowed to harden.
  • the canister is raised from the former and removed from the puck resulting cosmetic product has a dome-shaped top.
  • the canister is reverted and the canister containing cosmetic material which has a dome shaped top proceeds down the packing line.
  • the temperature of the molten cosmetic material will vary depending upon the material in question. If it is an AP-DEO product, the temperature will range from about 40C to about 80C (about 100F to about 180F) or about 50C to about 80C (about 12 OF to about 180F) , most preferably, it will be about 50C (about 120F) .
  • Elastomers which can be used in the pucks of the invention can have a hardness of about 10 Shore A to about 100 Shore A or about 20 Shore A to about 50 Shore A.
  • the dome is formed when the canister is placed in the puck and fitted with the concave shaped former and then filled with liquid or semisolid cosmetic product.
  • the cosmetic product fills and hardens in the depression or space left by the former, it forms a dome.
  • a design or logo is printed into the dome-forming puck, then said design or logo will be made in the resulting dome that is formed in the cosmetic stick product.
  • the elastomer material of the puck allows the release of the cosmetic stick shaped product that is formed.
  • the canister is placed over the concave former that forms the dome .
  • the elastomeric former can protrude into the canister a minimal distance, if it is desired that the finished dome be above the canister opening.
  • the former can be inserted the height of the dome if is desirable that the top of the dome be situated level with the opening of the canister.
  • the distance the dome former is inserted into the canister determines the position of the dome in the finished canister.
  • the former is positioned between 4.75mm and 6.35mm (0.187 and 0.250 ") into the canister.
  • the interaction between the former and the canister is crucial in terms of reducing or eliminating leaks.
  • the flexible protuberances molded around the circumference of the insert ensure there is a seal between canister and former.
  • These protuberances or seals can be many shapes including hemispherical, "V or Saw tooth or angle shaped.
  • the size, quantity and dimension of the protuberance are determined in practice by the shape of the former and the viscosity of the cosmetic stick product.
  • the dome forming puck can also be of modular design.
  • Figures 2, 3, 4 and 5 show such a puck.
  • the puck has side walls 1 which interlock with a concave shaped elastomeric release former 2.
  • This dome forming puck operates as described above to put or mold dome shapes onto cosmetic stick products.
  • the canister 3 which contains the cosmetic product fits into the side walls 1 and as shown in Figure 5, there are protuberances 4 onto which the canister wall 1 is sealed.
  • Elastomeric release former 2 can have a logo or designed imprinted into it. This would impart said logo or design into the cosmetic stick product that is formed.
  • the elastomeric release former 2 can be switched with another such block having a different design. This can be done because the elastomeric former is in modular form so that the release block piece (the piece which forms the dome) can be changed with another release former. It will be understood that while Figure 2 shows a puck in schematic form and in 3 pieces, such a puck can be formed in 2 , 4, 5 etc. pieces.
  • the elastomeric release former 2 can so easily be changed, rapid, low cost changes of dome shape and design are made possible by the concave, modular pucks of the invention.
  • changes in dome shape and design had to be made by changing the plastic dome cap. This was expensive and slow to do, and this also involved the use of more packaging.
  • An elastomer which is used in a puck of the invention is a polyurethane elastomer with a polyester backbone.
  • a specific nonlimiting example of an elastomer that is used in formers of the invention is composed of diphenylmethane diisocyanate and a polyester polyol made from hexandiol, neopentylglycol and adipic acid.
  • This elastomer can have a hardness of about 50 Shore A and is filled to around 30% volume with polymeric microspheres . The microspheres affect the bulk properties of the elastomer, increasing its resilience .
  • elastomers which may be used in devices of the invention are Natural rubbers, synthetic rubbers, polyurethanes, silicones or thermoplastic elastomers; more specifically, Viton 1 (the fluoro elastomer Viton a family) ; Viton 2 (fluoro elastomer Viton A family plus inert filler) ; HNBR (hydrogenated acrylonitrile rubber and polyurethanes) .
  • the elastomer to be used may be varied depending upon the sealing operation, the strength of the elastomer desired, and the chemical resistance required for the elastomer. Taking this into consideration, one skilled in the art would be able to select the correct elastomeric material to be used given the particular sealing operation to be carried out .
  • elastomeric according to the invention is meant a material as defined in ISO (Standard Organization) 1382 as an “elastomer,” or a “rubber.” Also included in the definition of “elastomeric” materials according to the invention are thermoplastic elastomers and copolymers and blends of elastomers, thermoplastic elastomers and rubbers.
  • Elastomers are defined as polymers with long flexible chains, independent in the raw material and transformed via vulcanizing or crosslinking agents which introduce crosslinks and form a crosslinked network structure.
  • the network structure retains the movement of the macro- molecular chain molecules and as a result returns rapidly to approximately its initial dimension and shape after deformation by a force release of the force.
  • Thermoplastic elastomers comprise amorphous and crystalline phases .
  • the amorphous phase has a softening range below ambient temperature and thus acts as an elastic spring while the crystalline segments whose softening range is above ambient temperature, act as cross-linking sites.
  • the elastomeric material according to the invention is selected from those classes described in American Society for Testing and Materials D1418 which include:
  • Unsaturated carbon chain elastomers including natural rubbers e.g. Standard Malaysian Rubber; butadiene e.g. "BUNA” type ex Bunaweke Huls; and butadiene acrylonitrile copolymer e.g.
  • Saturated carbon chain elastomers including ethylene-propylene types e.g. "Nordel” ex DuPont and fluorine-containing types e.g. "Viton” DuPont.
  • Substituted silicone elastomers including liquid silicone rubbers e.g. Silastic 9050/50 P (A+B) ex Dow Corning.
  • the insert or former is normally made by a process of molding .
  • a mold is constructed with a cavity shaped as the insert of Former.
  • the liquid elastomer is poured or pumped into the mold and is left for a period of time until the insert has cured.
  • the mold is left in an oven at an elevated temperature while curing.
  • the puck of the invention typically comprises a rigid material such as a polypropylene, a polyethylene or nylon. , but preferably polypropylene.
  • the puck is typically made by a standard injection molding process.
  • Said material is an elastomer.
  • This elastomer is selected so as to retain its shape and integrity at the temperatures of cosmetic stick formation.
  • the temperature of the AP-DEO material will range from about 50°C to about 80°C (about 120°F to about 180°F) .
  • the material which is used in the former must also in practical operation be able to easily release from the cosmetic stick product being molded. Such release properties can be hardness values which can typically fall within about 20 to about 50 Shore A.
  • Materials suitable as elastomeric coatings in the present invention will preferably have a modulus of elasticity in the range 0.1 to 50 Mpa, most preferably 1 to 35 Mpa .
  • a puck or former is typically made based upon the operating temperature of dome forming and the material of the molten cosmetic stick product.
  • the cosmetic stick product is an AP-DEO product, it can be, for example, Composition 11 of U.S. Patent 5,593,663, issued January 14, 1997, which is hereby incorporated by reference .
  • surface decoration is meant a uniform shape, smooth surface, a design such as a logo, trademark or the like.
  • Canisters with plastic domes and caps assembled are placed upside down in pucks.
  • the pucks are then conveyed to a filling machine where liquid material is injected into the canister.
  • the puck and canister are then fitted with the canister base and product elevation platform.
  • the puck and canister assembly is conveyed to the cooling tunnel through which it is passed slowly while cool air is blown over it - this can take 30-40 minutes.
  • the canister without the plastic dome cap is inserted into a puck and contacted with the former in the puck to form the seal. Beginning with conveyance to the filling machine, the steps that are detailed just above for the current packing line are then followed. As can be seen, the canister in the new process has no dome cap or over-cap. It is therefore required that the canister is over-capped after removal from the puck.

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  • Cosmetics (AREA)

Abstract

L'invention concerne un dispositif et un procédé permettant de préparer des produits de bâton de cosmétique (1) de forme arrondie, qui consiste à introduire un étui métallique (3) de forme concave constitué d'un élastomère de faible dureté (2), à laisser durcir le produit cosmétique de façon à former une partie arrondie à l'une des extrémités du bâton de cosmétique, et à retirer ledit étui métallique de forme concave.
PCT/EP2000/007928 1999-08-20 2000-08-14 Dispositif mecanique et procede de formation d'un dome sur un baton de cosmetique Ceased WO2001013758A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU64422/00A AU6442200A (en) 1999-08-20 2000-08-14 Mechanical device and process for forming a dome on a cosmetic stick

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15013699P 1999-08-20 1999-08-20
US60/150,136 1999-08-20

Publications (1)

Publication Number Publication Date
WO2001013758A1 true WO2001013758A1 (fr) 2001-03-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/007928 Ceased WO2001013758A1 (fr) 1999-08-20 2000-08-14 Dispositif mecanique et procede de formation d'un dome sur un baton de cosmetique

Country Status (2)

Country Link
AU (1) AU6442200A (fr)
WO (1) WO2001013758A1 (fr)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879548A (en) * 1955-07-20 1959-03-31 Coty Inc Method of filling lipstick containers
FR2443324A1 (fr) * 1978-12-04 1980-07-04 Bertin & Cie Dispositif permettant le moulage et le demoulage de produits divers
FR2468455A1 (fr) * 1979-10-30 1981-05-08 Charrin Denis Procede de moulage de produits fragiles a presentation soignee et de formes nouvelles et dispositif pour sa mise en oeuvre
US4377549A (en) 1981-05-11 1983-03-22 The Bendix Corporation Method for finish forming thermoplastic surfaces
US4518553A (en) 1983-09-22 1985-05-21 American Cyanamid Company Process for producing a wax-like stick product
US4552161A (en) 1983-09-16 1985-11-12 American Cyanamid Company Stick antiperspirant package and process
US4700448A (en) 1980-08-22 1987-10-20 American Cyanamid Company Process for the manufacture of a stick push-up device
US4793959A (en) 1987-01-26 1988-12-27 Lever Brothers Company Process for stamping a detergent bar
US5229059A (en) 1991-12-05 1993-07-20 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Process for forming a cosmetic stick
US5269997A (en) 1992-04-30 1993-12-14 The Procter & Gamble Company Method and apparatus for stamping plastic articles such as soap bars using elastomeric sheet separators
EP0578179A1 (fr) * 1992-07-07 1994-01-12 Asahi Denka Kogyo Kabushiki Kaisha Procédé pour la fabrication de rouge à fèvres et moule flexibles
EP0607092A1 (fr) * 1993-01-15 1994-07-20 René Viguier Dispositif pour le coulage et la mise en oeuvre de raisins de rouge à lèvres
DE4303563A1 (de) * 1993-02-08 1994-08-11 Hempel Matthias Verfahren zur Herstellung einer Mine, insbesondere Mal-, Schreib-, Markier- und Kosmetikstifte
FR2704403A1 (fr) * 1993-04-30 1994-11-04 Scee Rouge à lèvres échantillon à mécanisme élévateur simplifié permettant le coulage du raisin par le fond.
EP0686468A1 (fr) * 1994-06-07 1995-12-13 BUREAU D'ETUDES LAGROST, Société Anonyme dite : Procédé et dispositif pour le moulage d'objets en un matériau à bas point de fusion
DE4445231A1 (de) * 1994-12-17 1996-06-20 Schwan Stabilo Schwanhaeusser Verfahren zum Gießen einer Kosmetikmine eines Kosmetikstiftes und Vorrichtung zur Durchführung des Verfahrens
WO1998011194A1 (fr) * 1996-09-13 1998-03-19 Unilever Plc Procede d'estampage de pains de detergent

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879548A (en) * 1955-07-20 1959-03-31 Coty Inc Method of filling lipstick containers
FR2443324A1 (fr) * 1978-12-04 1980-07-04 Bertin & Cie Dispositif permettant le moulage et le demoulage de produits divers
FR2468455A1 (fr) * 1979-10-30 1981-05-08 Charrin Denis Procede de moulage de produits fragiles a presentation soignee et de formes nouvelles et dispositif pour sa mise en oeuvre
US4700448A (en) 1980-08-22 1987-10-20 American Cyanamid Company Process for the manufacture of a stick push-up device
US4377549A (en) 1981-05-11 1983-03-22 The Bendix Corporation Method for finish forming thermoplastic surfaces
US4552161A (en) 1983-09-16 1985-11-12 American Cyanamid Company Stick antiperspirant package and process
US4518553A (en) 1983-09-22 1985-05-21 American Cyanamid Company Process for producing a wax-like stick product
US4793959A (en) 1987-01-26 1988-12-27 Lever Brothers Company Process for stamping a detergent bar
US5229059A (en) 1991-12-05 1993-07-20 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Process for forming a cosmetic stick
US5312240A (en) 1991-12-05 1994-05-17 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Apparatus for forming a cosmetic stick
US5269997A (en) 1992-04-30 1993-12-14 The Procter & Gamble Company Method and apparatus for stamping plastic articles such as soap bars using elastomeric sheet separators
EP0578179A1 (fr) * 1992-07-07 1994-01-12 Asahi Denka Kogyo Kabushiki Kaisha Procédé pour la fabrication de rouge à fèvres et moule flexibles
EP0607092A1 (fr) * 1993-01-15 1994-07-20 René Viguier Dispositif pour le coulage et la mise en oeuvre de raisins de rouge à lèvres
DE4303563A1 (de) * 1993-02-08 1994-08-11 Hempel Matthias Verfahren zur Herstellung einer Mine, insbesondere Mal-, Schreib-, Markier- und Kosmetikstifte
FR2704403A1 (fr) * 1993-04-30 1994-11-04 Scee Rouge à lèvres échantillon à mécanisme élévateur simplifié permettant le coulage du raisin par le fond.
EP0686468A1 (fr) * 1994-06-07 1995-12-13 BUREAU D'ETUDES LAGROST, Société Anonyme dite : Procédé et dispositif pour le moulage d'objets en un matériau à bas point de fusion
DE4445231A1 (de) * 1994-12-17 1996-06-20 Schwan Stabilo Schwanhaeusser Verfahren zum Gießen einer Kosmetikmine eines Kosmetikstiftes und Vorrichtung zur Durchführung des Verfahrens
WO1998011194A1 (fr) * 1996-09-13 1998-03-19 Unilever Plc Procede d'estampage de pains de detergent

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Publication number Publication date
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