EP0918023B1 - Dispositif pour le mélange extemporané de deux produits - Google Patents

Dispositif pour le mélange extemporané de deux produits Download PDF

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Publication number
EP0918023B1
EP0918023B1 EP98402672A EP98402672A EP0918023B1 EP 0918023 B1 EP0918023 B1 EP 0918023B1 EP 98402672 A EP98402672 A EP 98402672A EP 98402672 A EP98402672 A EP 98402672A EP 0918023 B1 EP0918023 B1 EP 0918023B1
Authority
EP
European Patent Office
Prior art keywords
container
product
volume
annular
cylinder
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
EP98402672A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0918023A1 (fr
Inventor
Vincent De Laforcade
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of EP0918023A1 publication Critical patent/EP0918023A1/fr
Application granted granted Critical
Publication of EP0918023B1 publication Critical patent/EP0918023B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3255—Containers provided with a piston or a movable bottom, and permitting admixture within the container
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3216—Rigid containers disposed one within the other
    • B65D81/3222—Rigid containers disposed one within the other with additional means facilitating admixture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00—Bottles and jars
    • Y10S215/08—Mixing

Definitions

  • the present invention relates to a device for the extemporaneous mixing of two products, used in particular for the production of a hair composition, such as a coloring or perming composition for the hair.
  • compositions resulting from a mixture are used extemporaneous of two products: a first product (the oxidant), generally under liquid form, and a second product (the dye) whose consistency can be liquid to pasty, or powdery.
  • a first product the oxidant
  • the dye the second product
  • a first product generally under liquid form
  • a second product the dye
  • a second product the dye
  • mixing devices generally consisting of a lower container containing the first product, from an upper container containing the second product, and surmounted by a dispensing tip, and a removable closure means capable of isolate the first container from the second.
  • Means of the trocar or rod type actuation are provided to, before use, expel the shutter, and allow the mixture to be produced. The mixture thus produced is then dispensed by exerting pressure on the deformable walls of the upper container.
  • the two containers are concentric, means allowing, with a view to producing the mixture of move a cylindrical skirt isolating the first product (contained in an area ring) of the second product (contained in a central area), so that put them in contact, and thus make the mixture.
  • Such devices are described notably in patent US-A-3,696,919, US-A-3,856,138 or EP 0 060 401.
  • mixtures involving at least one product with high viscosity such as a paste
  • a bowl For this purpose, the two components are introduced one by one into the bowl, and mixed using a adequate tool. The mixture obtained is then withdrawn using an applicator brush type, or with your fingers. This process is impractical to implement. because of the numerous manipulations to be carried out.
  • the price of separate packaging of components is relatively expensive.
  • such separate packaging is penalizing in terms of space.
  • a device for mixing extemporaneous of two products comprising a substantially volume container constant V, whose walls which circumscribe it delimit with means of separation, a first volume zone V1, containing a first product and a second volume zone V2 containing, separately from the first, a second product, said container comprising an opening delimited by a free edge of the container, to allow access to the mixture, said separation means being able, under the action of actuating means, to pass from a first position in which the volume V2 of the second zone is substantially equal to V-V1 at a second position in which the volume V2 of the second zone is substantially zero, and in which the two products are in contact with one the other so that they can be mixed.
  • said separation means pass from said first to second position without passing through said opening of the container.
  • the separation means do not cross a plane containing said opening.
  • the separation means pass from the first position to the second passing through a passage formed in the walls of the container, say out of the plane containing the opening. Mixing is much easier especially in the case of products with high viscosity.
  • the section of the opening is not affected by the presence of the separation means in the retracted position.
  • the opening section does not have to take into account the shape or dimensions of the separation means.
  • the separation means consist of a rigid or semi-rigid element.
  • the bottom of the second area is at fixed height or axial position.
  • the bottom of the second zone forms a fixed piston inside a movable separating element acting as a cylinder.
  • the bottom thus perfectly scrapes the interior walls of the element of separation, thus retaining all of the product inside the container initially in the second zone.
  • the bottom of the second area is surrounded, at least in part by a passage through the thickness of the walls of the container, and through which, passing from the first to the second position, the separation means move in sealed manner.
  • the movement is a sliding movement, i.e. simple translation, either in translation coupled with a rotation (movement helical).
  • the container is completely clear, which allows, for example with an appropriate tool to homogenize or to perfect the mixture.
  • the volume of the container is unchanged (to the nearest thickness separating element walls).
  • the presence of separation means, to contain the two products separately, does not generate, after placing in contact with products, dead volume or difficult to access area. Of this way, nothing in the volume defined by the container disturbs the operation homogenization of the mixture.
  • the actuation means the contact of the two products forming the mixture, is done automatically, as in liquid / liquid mixers, without requiring manual handling of the products to bring them into contact with each other.
  • the device includes in addition to a reduced number of parts, which from a cost point of view makes it perfectly competitive.
  • said container has a bottom, axially fixed, said actuating means being arranged to cause movement of the means of separation from the fixed bottom, substantially opposite to the opening, so as to release substantially all of said volume V.
  • said actuating means being arranged to cause movement of the means of separation from the fixed bottom, substantially opposite to the opening, so as to release substantially all of said volume V.
  • said container is in the form of a large "bowl" opening, means being provided for removably closing said opening.
  • Such means may include a screwed cover.
  • the separation means consist of a hollow cylinder disposed inside the container, and oriented axially so as to delimit a annular volume containing the first product, and a central volume containing the second product, said cylinder having a first open end, and a second end sealed with a fixed piston formed by a portion of said bottom fixed axially, said cylinder being able, by sliding tight around said fixed piston, move from a first position, substantially to inside said volume, in which it isolates the first product from the second, at a second position located substantially outside said volume, on one side of the bottom opposite to said opening.
  • the means for removably closing said opening also seal said first open end of the cylinder.
  • the open end of the hollow cylinder is located substantially in the plane of the free edge delimiting the opening, the hollow cylinder being closed by a self-sealing skirt.
  • said fixed bottom comprises an annular part and a central part forming said fixed piston, an annular space separating the annular part of the central part of the fixed bottom, so as to allow the cylinder to slide hollow around the fixed piston, means being provided for sealing between the hollow cylinder, and a free edge of said annular part of the bottom.
  • a sealing can be obtained by screwing, and / or by any other suitable means of elastomeric or other type of seal.
  • Said central part may consist of the transverse wall of a base central located on the side of the bottom opposite to the opening, and of axial height substantially equal to the axial height of the cylinder, said hollow cylinder being suitable to slide around said central base.
  • said annular part of the fixed bottom has an inner edge, able to cooperate by screwing with a helical thread provided on the outer surface of the cylinder, said actuating means being able to rotate said cylinder relative to said inner edge of so as to cause the cylinder to pass from the first position to the second.
  • a screwing contributes to ensuring a good seal between the hollow cylinder and the annular part of the bottom fixed axially.
  • said actuating means consist of a flange annular integral with the hollow cylinder, and arranged around the central base.
  • a such a collar may include fins, or other reliefs capable of promoting the handling.
  • said container can be mounted on at least two peripheral feet, fixed relative to the container, and arranged around the annular collar, the feet being angularly spaced apart from each other so to allow access to said actuating means, with a view to achieving the mixed.
  • Such feet can be arranged in a half-moon around the base central, and contribute with the base, to ensure good stability of the whole.
  • said central base has at an opposite end to said transverse wall, a base fixed to said feet, in particular by bonding, welding, or clipping.
  • the outer surface of the central base has a thread capable of cooperating sealingly with a thread corresponding provided on the inner surface of the hollow cylinder, the passage of the first position to second of the separation means being effected by placing in rotation of the central base relative to the hollow cylinder, means being designed to immobilize said hollow cylinder in rotation.
  • Such immobilization means may include at least one rib formed on the outer surface of the hollow cylinder, and capable of coming into engagement with at least one corresponding notch provided on the edge outside of said annular space.
  • the container can be mounted on an annular base surrounding the central base, said annular base being fixed relative to the container.
  • the annular base is obtained from molding with the container.
  • a thermoplastic material such as polypropylene or chloride polyvinyl.
  • the central base may have at one end opposite to said transverse wall, a base connected to said annular base, in particular by snap-fastening, so as to be free in rotation relative to said annular base, said base forming said means actuation.
  • said first and second products are intended for the preparation of a hair composition.
  • the first product can be a oxidant of liquid consistency
  • the second product being a colorant of liquid to pasty or powdery consistency.
  • said hair composition is a product with two components, the first product being a perming agent in liquid form, the second product being a thickener, in particular in the form of a powder.
  • the mixture forms an extremely viscous paste, applicable by hand or by means of a brush.
  • FIGs 1A-1C illustrate a first embodiment of the mixing device according to the invention.
  • the device according to this embodiment is in the form of a bowl 2 with a large opening 8, mounted on two feet 3, 4, obtained by molding with the bowl 2.
  • a hollow cylindrical skirt 5 which delimits with the walls 45 of the bowl, including with the bottom two zones 6, 7, isolated one from the other.
  • a first annular zone 7, of initial volume V1 contains a first product, in particular an oxidant in liquid form.
  • a second zone 6, central, initial volume V2 contains a second product, in particular a dye in the form of a cream or powder.
  • the overall volume of the bowl i.e.
  • V1 + V2 (to the thickness of the walls) is V.
  • the cylindrical skirt 5 has an open end 11 which, in the position illustrated in FIGS. 1A and 1B, i.e. before mixing, is substantially in the plane of the opening 8 delimited by the free edge 9 of the bowl.
  • a screwed cover 10 covers so removable opening 8, and also closes the opening defined by the end open 11.
  • a sealing skirt 26 formed by the cover 10 makes it possible to isolate sealingly the annular zone 7 of the central zone 6.
  • the end 12 opposite the open end 11 of the cylindrical skirt 5 is sealed off by a bottom consisting of an end wall 13 of a central base 14 arranged under the bowl.
  • a seal 19 can be provided at the vicinity of the end wall 13 so as to improve the tightness of the closure of the end 12.
  • the central base 14 is substantially tall identical to the height of the cylindrical skirt 5 and ends with a base formed of two portions 15, 16, connected to feet 3, 4, by gluing, welding or any other suitable technique, so as to immobilize the base in rotation 14. This forms an assembly capable of resting stably on a surface. plane.
  • the end 12 of the cylindrical skirt 5 is located outside of the bowl 2, under this, and ends in a part folded 90 ° outwards 24, carrying elements projecting radially, and forming an actuating flange 17.
  • the space between the feet 3, 4 allows the user to have access to the collar actuation, with a view to producing the mixture, as will be seen more in detail later.
  • the bottom of the bowl has a part annular 20, of which a free edge 21 is situated so as to delimit with the wall end 13 of the central base 14, an annular space 22 adapted to receive the skirt cylindrical 5.
  • a seal 18 can be provided between the annular part 20 of the bottom of the bowl and the folded part 24, so as to improve the sealing in the position of storage.
  • the outer surface of the cylindrical skirt has a helical thread 25, able to cooperate by screwing with the free edge 21 of the annular part of the bottom of bowl 2, so that when the flange 17 is rotated, the rotational movement of the cylindrical skirt 5, is accompanied by a movement of axial translation of the latter, until its open end 11 arrives substantially at the free edge 21 of the annular part of the bottom of the bowl.
  • the central zone 6 is of substantially zero volume.
  • the volume V of the bowl substantially identical to the initial volume, is completely free, that is, free of any protruding or raised element capable of creating volumes dead, harmful if necessary, to the homogenization of the mixture and / or its sample.
  • the feet 3 and 4 are in the form of half Moon.
  • FIG. 2A illustrates the operation of the mixer according to the invention.
  • the device is in the position illustrated in the figures previous.
  • the dye in the form of a cream is contained in the central zone 6, of volume V2.
  • the oxidant is in the annular part 7 of volume V1.
  • the two products are kept isolated from each other.
  • Bowl 2 is covered with screwed cover 10.
  • the user actuates the flange 17 so as to cause an axial movement of the cylindrical skirt 5, opposite the opening 8 of the bowl 2.
  • the end wall 13 of the central base 14 acts as a fixed piston, and retains the dye in the bowl, as the cylindrical skirt descends.
  • the fixed piston ensures perfect wiping of the internal walls of the skirt cylindrical 5, so that all the product contained in the central zone 6 is actually used for the mixture to be produced.
  • the volume V2 of the central part 6 decreases gradually until it is substantially equal to zero in the position illustrated in Figure 2B. In this position, in fact, the cylindrical skirt 5 is located entirely outside the bowl, which has a substantially internal surface continuous and smooth, free of any relief or hollow element able to interfere homogenization of the mixture and / or its sampling.
  • the overall volume of the bowl after mixing is substantially identical to its initial volume.
  • the cover has been removed.
  • the mixture can be homogenized with using a spatula for example, and taken and applied so conventional with a brush, or with your fingers, the free edge 9 of the bowl 2 can be used to wring out the brush.
  • FIGS. 1A-1C and 2A-2C The embodiment of Figures 3A-3C is in its form, slightly different of the embodiment which has just been discussed with reference to FIGS. 1A-1C and 2A-2C. However, its principle is identical.
  • the central base 14 carries on its outer surface a thread 30 capable of cooperating with a corresponding thread 31 provided on the inner surface of the skirt cylindrical 5.
  • the screw connection seals the end closure 12 of the cylindrical skirt 5.
  • the bowl 2 is mounted on an annular base 32.
  • the central base 14 is axially immobile and free in rotation relative to the annular base 32.
  • the base 14 has at its end opposite the end wall 13, a base consisting of a wall transverse 33 of which a flange 34 can be connected by snap-fastening on the end free of the annular base 32.
  • a seal 41 can be provided between the free edge 21 of the annular part 20 of the bottom of the bowl 2, and the skirt cylindrical 5, so as to perfect the tightness of the bowl at this location.
  • the user grasps the bowl by the rim 34, and drags it rotation with respect to the annular base 32.
  • the cylindrical skirt 5 is driven downwards, until it or substantially outside the bowl 2, in the position illustrated in FIG. 3C.
  • the end wall 13 of the base 14 acts as a fixed piston so as to retain the product contained at inside zone 6, in bowl 2.
  • the open end 11 of the cylindrical skirt 5 is substantially at the same level that the annular part 20 of the bottom of the bowl 2, as well as the end wall 13 of the base 14.
  • the mixture can, after removing the cover 10, be homogenized by means of a spatula or brush before being removed for application.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Specialized In Special Use (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Food-Manufacturing Devices (AREA)
EP98402672A 1997-11-24 1998-10-27 Dispositif pour le mélange extemporané de deux produits Expired - Lifetime EP0918023B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9714723 1997-11-24
FR9714723A FR2771383B1 (fr) 1997-11-24 1997-11-24 Dispositif pour le melange extemporane de deux produits

Publications (2)

Publication Number Publication Date
EP0918023A1 EP0918023A1 (fr) 1999-05-26
EP0918023B1 true EP0918023B1 (fr) 2000-07-19

Family

ID=9513712

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98402672A Expired - Lifetime EP0918023B1 (fr) 1997-11-24 1998-10-27 Dispositif pour le mélange extemporané de deux produits

Country Status (7)

Country Link
US (1) US6148995A (es)
EP (1) EP0918023B1 (es)
JP (1) JP3024110B2 (es)
AR (1) AR012757A1 (es)
DE (1) DE69800222T2 (es)
ES (1) ES2150811T3 (es)
FR (1) FR2771383B1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806271B1 (fr) 2000-03-17 2002-05-03 Oreal Dispositif pour le melange extemporane d'au moins deux produits
FR2870829B1 (fr) 2004-05-26 2008-08-29 Oreal Dispositif pour le melange d'au moins deux composants
EP2310293B1 (fr) * 2008-02-05 2012-07-04 L'Oréal Tête de tube et méthode de réalisation
US8210187B1 (en) * 2010-03-25 2012-07-03 Lava Industries, Inc. Cosmetic powder dispenser
CN110918041B (zh) * 2019-12-03 2021-06-18 齐鲁理工学院 一种微纳米溶胶速配反应瓶体装置及其使用方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781141A (en) * 1951-11-06 1957-02-12 Lucien Pierre Edouard Apparatus for the simultaneous preservation of two different products out of contact with each other in the interior of a container
CH356405A (fr) * 1959-08-24 1961-08-15 Sealanco Limited Récipient
US3255926A (en) * 1965-02-09 1966-06-14 Modern Lab Inc Compartmented pressurized dispensing device
US3696919A (en) 1970-10-08 1972-10-10 Colgate Palmolive Co Double container with mixing means
US3856138A (en) 1973-05-31 1974-12-24 Shionogi & Co Compartmentalized container
DE3109921A1 (de) * 1981-03-14 1982-09-23 Wella Ag, 6100 Darmstadt Zwei-komponenten-verpackung fuer schuettbare medien
DE3411194A1 (de) * 1984-03-27 1985-10-10 Kurt 7551 Bischweiler Fanelsa Kartusche
US4944419A (en) * 1989-05-08 1990-07-31 Chandler John W Compartmentalized refuse container
DE4004028C2 (de) * 1990-02-10 2001-06-07 Schlafhorst & Co W Verfahren und Vorrichtung zum Bilden einer Fadenreserve auf einer Kreuzspule
DE69107361T2 (de) * 1990-06-15 1995-10-12 Fernandes Santos Sastre Physiotherapiegerät.
JPH09202331A (ja) * 1996-01-25 1997-08-05 Akio Oyaji 飲料包装方法及び包装容器

Also Published As

Publication number Publication date
DE69800222D1 (de) 2000-08-24
ES2150811T3 (es) 2000-12-01
AR012757A1 (es) 2000-11-08
FR2771383B1 (fr) 1999-12-31
US6148995A (en) 2000-11-21
JP3024110B2 (ja) 2000-03-21
DE69800222T2 (de) 2001-04-26
FR2771383A1 (fr) 1999-05-28
JPH11236079A (ja) 1999-08-31
EP0918023A1 (fr) 1999-05-26

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