EP0378488A1 - Dispenser for viscous products having a central cap opened by turning it - Google Patents

Dispenser for viscous products having a central cap opened by turning it Download PDF

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Publication number
EP0378488A1
EP0378488A1 EP90420008A EP90420008A EP0378488A1 EP 0378488 A1 EP0378488 A1 EP 0378488A1 EP 90420008 A EP90420008 A EP 90420008A EP 90420008 A EP90420008 A EP 90420008A EP 0378488 A1 EP0378488 A1 EP 0378488A1
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EP
European Patent Office
Prior art keywords
head
cover
skirt
dispenser
cap
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
EP90420008A
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German (de)
French (fr)
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EP0378488B1 (en
Inventor
Bernard Schneider
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.)
Albea Tubes France SAS
Original Assignee
Cebal SAS
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Publication date
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Publication of EP0378488A1 publication Critical patent/EP0378488A1/en
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Publication of EP0378488B1 publication Critical patent/EP0378488B1/en
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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/242—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving helically

Definitions

  • the invention relates to a creamy or pasty product dispenser, in which the central opening of the cover is controlled by the rotation of the cover.
  • the Applicant has sought to develop a distributor making it possible to avoid these drawbacks.
  • the oblique tabs supporting the plug are then fixed directly on the inside of said neck, sufficiently below its upper end so as to allow all of its cylindrical inner surface to be released, serving to engage the internal sealing skirt of the cover.
  • This very airy arrangement results in particular from the high ratio between the maximum diameter of passage of the product between the oblique tabs, that is to say at their lower ends, and the diameter of outlet of the product through said central opening of the cover, ratio usually from 1.7 to 3.5 and preferably from 2 to 3, and it makes it possible to dispense creams and pastes of viscosity ranging from 100 to 100,000 cP (100 to 100,000 mPa. s).
  • the position of the attachment of the oblique legs inside the neck plays an essential role here for the astonishing distribution results obtained.
  • these means of ascent consist of a pitch of male screw with several (n) threads offset circumferentially by 2 II / n carried by the outside of the head and in a female thread complementary to said (n) threads carried by the inside of a skirt of the intermediate cover between said internal skirt ensuring the seal and the external skirt of the cover.
  • the position of this female thread does not give any visible trace from the outside of the cover.
  • the inlet spacing of the threads corresponds to their circumferential spacing of 2 II / n, that is to say 120 ° for 3 threads, and at a step giving an opening-closing distance of the cover usually less than 1 turn and preferably between 1/3 and 1/4 of a turn, a so-called "quick" step is typically between 8 and 12 mm / turn.
  • This inlet spacing allows easy engagement of the threads by the corresponding hood threads.
  • This intermediate skirt of the hood which ensures the attachment and axial displacement of the cover by the cooperation of its female thread, usually hollow with the male thread of the head, is advantageously provided with an internal rib in relief, located above the hollow threads, the end of the head being -Even provided with a shoulder or outer rim under which said rib abuts, thus achieving the stop in the upper position of the cover or open position in the normal operation of the dispenser.
  • the same rib and outer rim can serve as a means of safety when the cover is inserted or against its involuntary removal, the rib having a rounded lateral surface and the rim of the head having an oblique lateral surface opposite this rounded surface, these two surfaces making an engagement with forcing of the hood on the head, followed by screwing the snap-fitting making the locking of the top position of the hood locking rib under the outer rim of the head.
  • the forcing in question corresponds to a tightening typically chosen between 0.05 and 0.25 mm to the radius, preferably between 0.08 and 0.15 mm to the radius. It is noted that then the engagement of the hood by passing this forcing is difficult for a young child, and that its disengagement, requiring the release of the stop rib of the hood, is then almost impossible.
  • the frustoconical lateral surface of the cap has an equal or slightly greater total cone angle (at most 10 °) so as to obtain good embedding and blocking of this plug in the opening carrying out the end of descent of the cover and the sealed closing of its opening or orifice.
  • the hood usually includes an outer skirt, only decorative. For questions of appearance and general behavior of the container, it preferably engages around a substantially cylindrical portion of the bottom of the head, for example with a play of 0.1 to 0.3 mm in diameter. This engagement can be used to make a dispenser opening indicator, in the form of a decoration, for example a coloring of said cylindrical portion, which is unmasked by unscrewing the hood from rising, and masked by its descent.
  • This outer skirt then improves the retention of the cover in the axis already arising from the interlocking with tightening of the internal skirt of the cover inside the head, and means of axial displacement of the cover.
  • the head usually made of plastic, can be fixed to the body or to the skirt by overmolding, welding or gluing, the body or the skirt being themselves made of plastic or metalloplastic material (externally made of plastic material) in both first cases.
  • the head fixed on the body or on the skirt can also be produced in a single molding operation.
  • the distributor of the invention has the following main advantages: simplicity of the device, excellent sealing, very good guiding of the cover, particularly in the case of 3 to 5 offset threads, without degradation of this guiding at during use.
  • the dispenser of the invention is used in the pharmaceutical, cosmetological, hygienic and food fields.
  • the device according to the invention comprises a distributor head 1 and a cover 2.
  • the head 1 is made of high density polyethylene 1 mm thick, overmolded on a skirt in medium density PE, 0.5 mm thick.
  • the cover is made of molded PP (polypropylene), 1.25 mm thick at the location of its outer skirt.
  • the head 1 comprises a disc or frustoconical plug 3, carried by three oblique supports 4 connected inside the neck 5, and of "transverse" width, that is to say in a direction perpendicular to an axial plane passing through the tab 4 considered, equal to 1.5 mm.
  • This neck 5 has an internal cylindrical end surface 6. It is bordered at its upper part by an outer rim 7, comprising an upper chamfer 8.
  • the external surface of the neck 5 carries three threads 9 of rectangular section, arranged at 120 ° one another.
  • the lower part of the head 1 is constituted by a cylindrical portion 10, connected to the upper part by a flared tapered portion 11.
  • the pad 3, the supports 4 and the neck 5 define large passages 12 through which the product escapes pasty or creamy content in the container during use.
  • the ventilated arrangement of the supports 4 allows the product to drop freely when the orifice 14 is closed by the patch 3, thus avoiding untimely exits of product coming from overpressures linked to internal throttles, exits which are observed with known devices.
  • the cover 2 comprises an upper cover 13, provided with a frustoconical opening 14, similar to the patch 3.
  • the cover has three internal skirts 15, intermediate 16 and external 17.
  • the internal skirt has an external cylindrical surface 18 which is forcedly supported inside the end surface 6 of the neck 5 providing an excellent seal.
  • the intermediate skirt 16 has on its internal surface a female thread 19 corresponding to the threads 9, which is surmounted by a circular stop ring 20, of substantially semi-circular section.
  • the external skirt 17 has an internal lower surface 21, which is interlocked with a clearance around the external surface of the envelope 10.
  • the outlet diameter of the orifice 14 is here 5 mm, and the product passage diameter at the bottom of supports 4 is 14 mm, the corresponding passage diameter / product outlet diameter ratio therefore being 2 , 8.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Specific Conveyance Elements (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Confectionery (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Abstract

The dispenser for viscous products comprises a head (1) fixed to a body (100) or skirt (100) and a cap (2), this head (1) and this cap (2) comprising additional means (9, 19) of raising this cap (2) by the rotation of the said cap (2), this cap (2) having a central opening (14) and the head (1) comprising a stopper (3) carried by oblique lugs (4) fixed to the inside (5) of the head (1) and blocking this opening (14) in the low position of the cap (2), the head (1) and the cap (2) carrying additional sealing means (6, 15), characterised in that: a) the said sealing means consist of an internal skirt (15) of the cap (2) which inserts itself with a tightening action into the upper end of the head (1); b) and c) the oblique lugs (4) are fixed directly to the inside of the head (1), sufficiently low to liberate the engagement of the said internal skirt (15) in the head (1) during the operating of the cap (2). This dispenser is used in the pharmaceutical, cosmetic, hygiene and food fields. <IMAGE>

Description

L'invention concerne un distributeur de produit crémeux ou pâteux, dans lequel l'ouverture centrale du capot est commandée par la rotation du capot.The invention relates to a creamy or pasty product dispenser, in which the central opening of the cover is controlled by the rotation of the cover.

On connaît, par le brevet FR-B-2 574 377 (=US 4 690 304) un dispositif de bouchage d'un récipient à ouverture et fermeture commandées par la rotation d'un capot. Le soulèvement du picot venant obturer l'orifice central du capot ainsi que son abaissement sont commandés par l'interaction de crans ou ergots de la capsule-clapet portant le picot et de rampes internes du capot. L'étanchéité est réalisée par deux jupes concentriques de la capsule-clapet, l'une portant contre une jupe d'étanchéité du capot et l'autre portant contre l'intérieur de la bague du récipient. La double étanchéité utilisée entraîne des frottements et une étanchéité médiocre, les deux moyens d'étanchéité pouvant se contrarier. Par ailleurs, les rampes en creux du capot amincissent sa paroi latérale, donnant des défauts d'aspect en décoration. En outre, le coulissement des crans ou ergots dans les rampes présente un certain jeu, s'accentuant avec l'usure des ergots et se traduisant par un guidage médiocre du capot.We know from patent FR-B-2 574 377 (= US 4 690 304) a device for closing a container with opening and closing controlled by the rotation of a cover. The lifting of the spike closing the central opening of the cover as well as its lowering are controlled by the interaction of notches or lugs of the valve cap carrying the spike and of the internal ramps of the cover. Sealing is achieved by two concentric skirts of the valve cap, one bearing against a sealing skirt of the cover and the other bearing against the inside of the ring of the container. The double sealing used causes friction and poor sealing, the two sealing means being able to contradict each other. Furthermore, the recessed ramps of the hood thin its side wall, giving appearance defects in decoration. In addition, the sliding of the notches or lugs in the ramps has a certain play, increasing with the wear of the lugs and resulting in poor guidance of the cover.

La demanderesse a cherché à mettre au point un distributeur permettant d'éviter ces inconvénients.The Applicant has sought to develop a distributor making it possible to avoid these drawbacks.

EXPOSE DE L'INVENTIONSTATEMENT OF THE INVENTION

L'invention a pour objet, comme il est connu par le FR-B- 2 574 377, un distributeur de produit crémeux ou pâteux comportant une tête rigide fixée sur un corps ou jupe, ainsi qu'un capot, cette tête et ce capot comportant des moyens complémentaires de montée de ce capot par rotation dudit capot, ce capot portant une ouverture centrale et la tête comportant un bouchon porté par des pattes obliques d'extrémités inférieures fixées à l'intérieur de la tête et venant obturer cette ouverture en position basse du capot, la tête et le capot portant des moyens d'étanchéité complémentaires. Selon l'invention :

  • a) lesdits moyens d'étanchéité complémentaires consistent en une jupe interne du capot s'insérant avec serrage directement à l'intérieur de la surface cylindrique de la portion d'extrémité supérieure de la tête;
  • b) les extrémités inférieures des pattes obliques portant le bouchon sont fixées directement sur la surface intérieure de ladite tête, et non pas à l'intérieur d'une capsule-clapet intérieure à cette tête comme dans la structure connue par le document cité, cette disposition réalisant de plus bandes ouvertures de passage pour le produit ;
  • c) et les extrémités inférieures des pattes obliques sont fixées à l'intérieur de la tête à une distance de l'extrémité supérieure de cette tête supérieure à la distance de manoeuvre du capot, ou différence de niveau entre les positions d'ouverture et de fermeture complétes du distributeur, la jupe interne d'étanchéité du capot étant ainsi toujours engagée dans la surface intérieure de la tête en forme de goulot pendant les manoeuvres du capot.
The subject of the invention is, as is known from FR-B-2,574,377, a dispenser for a creamy or pasty product comprising a rigid head fixed to a body or skirt, as well as a cover, this head and this cover comprising additional means for mounting this cover by rotation of said cover, this cover carrying a central opening and the head comprising a plug carried by oblique tabs of lower ends fixed inside the head and closing this opening in position bottom of the cover, the head and the cover carrying additional sealing means. According to the invention:
  • a) said complementary sealing means consist of an internal skirt of the cover inserting with clamping directly inside the cylindrical surface of the upper end portion of the head;
  • b) the lower ends of the oblique legs carrying the stopper are fixed directly to the inner surface of said head, and not inside a valve cap inside this head as in the structure known from the cited document, this arrangement providing more passage openings for the product;
  • c) and the lower ends of the oblique legs are fixed inside the head at a distance from the upper end of this head greater than the operating distance of the cover, or difference in level between the open and complete closure of the dispenser, the internal sealing skirt of the cover thus being always engaged in the internal surface of the neck-shaped head during the maneuvers of the cover.

Une fois le capot engagé sur la tête du distributeur, l'étanchéité est ainsi réalisée de façon permanente et sûre par le contact avec serrage, habituellement de 0,05 à 0,25 mm au diamètre et mieux de 0,10 à 0,20 mm au diamètre, de la jupe interne du capot avec une surface intérieure cylindrique de la tête. La disposition inverse, c'est-à-dire l'emboîtage avec serrage d'une telle jupe interne du capot autour de l'extrémité supérieure de la tête ou goulot, ne conviendrait pas pour une bonne étanchéité, le goulot étant plus rigide qu'une telle jupe interne. De plus, une telle disposition inverse empêcherait l'utilisation préférentielle de la jupe intermédiaire décrite plus loin comme moyen d'arrêt de la montée axiale du capot.Once the cover is engaged on the distributor head, sealing is thus achieved permanently and securely by tightening contact, usually from 0.05 to 0.25 mm in diameter and better still from 0.10 to 0.20 mm in diameter, from the inner skirt of the hood with a cylindrical inner surface of the head. The reverse arrangement, that is to say the fitting with tightening of such an internal skirt of the cover around the upper end of the head or neck, would not be suitable for good sealing, the neck being more rigid than 'such an internal skirt. In addition, such a reverse arrangement would prevent the preferential use of the intermediate skirt described below as a means of stopping the axial rise of the cover.

Les pattes obliques supportant le bouchon sont alors fixées directement sur l'intérieur dudit goulot, suffisamment en-dessous de son extrémité supérieure de façon à laisser dégager toute sa surface intérieure cylindrique servant à l'engagement de la jupe interne d'étanchéité du capot. Avec ces pattes obliques longues et minces, habituellement au nombre de 3 à 5 et d'épaisseur transversale typiquement comprise entre 1 et 3 mm, on obtient une disposition très aérée favorisant le passage du produit vers l'ouverture de sortie et aussi son recul lors de la fermeture du capot, ce qui évite les débordements extérieurs de produit dûs à une compression lors de cette fermeture. Cette disposition très aérée résulte notamment du rapport élevé entre le diamètre maximal de passage du produit entre les pattes obliques, c'est-à-dire au niveau de leurs extrémités inférieures, et le diamètre de sortie du produit par ladite ouverture centrale du capot, rapport habituellement de 1,7 à 3,5 et de préférence de 2 à 3, et elle permet de distribuer facilement et sans débordement intempestif de produit des crèmes et pâtes de viscosité allant de 100 à 100 000 cP (100 à 100 000 mPa.s). La position de la fixation des pattes obliques à l'intérieur du goulot joue ici un rôle essentiel pour les résultats de distribution étonnants obtenus.The oblique tabs supporting the plug are then fixed directly on the inside of said neck, sufficiently below its upper end so as to allow all of its cylindrical inner surface to be released, serving to engage the internal sealing skirt of the cover. With these long and thin oblique legs, usually 3 to 5 in number and with a transverse thickness typically of between 1 and 3 mm, a very airy arrangement is obtained, favoring the passage of the product towards the outlet opening and also its recoil when the cover is closed, which avoids external product overflows due to compression during this closing. This very airy arrangement results in particular from the high ratio between the maximum diameter of passage of the product between the oblique tabs, that is to say at their lower ends, and the diameter of outlet of the product through said central opening of the cover, ratio usually from 1.7 to 3.5 and preferably from 2 to 3, and it makes it possible to dispense creams and pastes of viscosity ranging from 100 to 100,000 cP (100 to 100,000 mPa. s). The position of the attachment of the oblique legs inside the neck plays an essential role here for the astonishing distribution results obtained.

Pour le bon guidage du capot et la facilité de l'engagement de ses moyens complémentaires de montée, il est préférable que ces moyens de montée consistent en un pas de vis mâle à plusieurs (n) filets décalés circonférentiellement de 2 II/n porté par l'extérieur de la tête et en un pas de vis femelle complémentaire desdits (n) filets porté par l'intérieur d'une jupe du capot intermédiaire entre ladite jupe interne assurant l'étanchéité et la jupe externe du capot. La position de ce pas de vis femelle ne donne ainsi aucune trace visible depuis l'extérieur du capot.For the correct guiding of the cover and the ease of engagement of its complementary means of ascent, it is preferable that these means of ascent consist of a pitch of male screw with several (n) threads offset circumferentially by 2 II / n carried by the outside of the head and in a female thread complementary to said (n) threads carried by the inside of a skirt of the intermediate cover between said internal skirt ensuring the seal and the external skirt of the cover. The position of this female thread does not give any visible trace from the outside of the cover.

On a trouvé que dans le cas présent un nombre (n) de filets égal à 3 était particulièrement avantageux, la stabilité du capot pendant son mouvement de montée ou de descente étant toujours assurée, cela sans doute parce qu'il se produit à tout moment un équilibre entre trois petites zones de contact filet mâle/filet femelle correspondant correctement espacées. Si l'on s'écarte du système de guidage à 3 filets, on choisira ensuite par ordre de préférence 5 filets ou 4 filets. L'espacement d'entrée des filets, correspond à leur espacement circonférentiel de 2 II/n, soit de 120° pour 3 filets, et à un pas donnant une distance ouverture-fermeture du capot habituellement inférieure à 1 tour et de préférence comprise entre 1/3 et 1/4 de tour, un pas dit "rapide" étant typiquement compris entre 8 et 12 mm/tour. Cet espacement d'entrée permet un engagement facile des filetages par les filetages correspondants du capot.It was found that in the present case a number (n) of threads equal to 3 was particularly advantageous, the stability of the hood during its movement of raising or lowering being always ensured, this undoubtedly because it occurs at any time a balance between three small zones of male thread / corresponding female thread correctly spaced. If you deviate from the 3-thread guide system, you will then choose, in order of preference, 5 threads or 4 threads. The inlet spacing of the threads corresponds to their circumferential spacing of 2 II / n, that is to say 120 ° for 3 threads, and at a step giving an opening-closing distance of the cover usually less than 1 turn and preferably between 1/3 and 1/4 of a turn, a so-called "quick" step is typically between 8 and 12 mm / turn. This inlet spacing allows easy engagement of the threads by the corresponding hood threads.

Cette jupe intermédiaire du capot qui assure l'accrochage et le déplacement axial du capot par la coopération de son filetage femelle habituellement en creux avec le filetage mâle de la tête, est avantageusement munie d'une nervure intérieure en relief, située au-dessus des filets en creux, l'extrémité de la tête étant elle-même munie d'un épaulement ou rebord extérieur sous lequel ladite nervure vient buter , réalisant ainsi l'arrêt en position haute du capot ou position d'ouverture dans le fonctionnement normal du distributeur.This intermediate skirt of the hood which ensures the attachment and axial displacement of the cover by the cooperation of its female thread, usually hollow with the male thread of the head, is advantageously provided with an internal rib in relief, located above the hollow threads, the end of the head being -Even provided with a shoulder or outer rim under which said rib abuts, thus achieving the stop in the upper position of the cover or open position in the normal operation of the dispenser.

Les mêmes nervure et rebord extérieur peuvent servir de moyen de sécurité de l'introduction du capot ou contre son enlèvement involontaire, la nervure ayant une surface latérale arrondie et le rebord de la tête ayant une surface latérale oblique en regard de cette surface arrondie, ces deux surfaces réalisant un engagement avec forcement du capot sur la tête, suivi grâce au vissage de l'encliquetage réalisant le verrouillage de position haute de la nervure d'arrêt du capot sous le rebord extérieur de la tête.The same rib and outer rim can serve as a means of safety when the cover is inserted or against its involuntary removal, the rib having a rounded lateral surface and the rim of the head having an oblique lateral surface opposite this rounded surface, these two surfaces making an engagement with forcing of the hood on the head, followed by screwing the snap-fitting making the locking of the top position of the hood locking rib under the outer rim of the head.

Le forcement en question correspond à un serrage typiquement choisi entre 0,05 et 0,25 mm au rayon, de préférence entre 0,08 et 0,15 mm au rayon. On constate qu'alors l'engagement du capot en passant ce forcement est difficile pour un jeune enfant, et que son désengagement, demandant le désencliquetage de la nervure d'arrêt du capot, est alors quasiment impossible.The forcing in question corresponds to a tightening typically chosen between 0.05 and 0.25 mm to the radius, preferably between 0.08 and 0.15 mm to the radius. It is noted that then the engagement of the hood by passing this forcing is difficult for a young child, and that its disengagement, requiring the release of the stop rib of the hood, is then almost impossible.

Lorsque l'ouverture centrale du capot a une surface latérale tronconique, la surface latérale tronconique du bouchon a un angle total de cône égal ou légèrement plus fort (d'au plus 10°) de façon à obtenir un bon encastrement et un blocage de ce bouchon dans l'ouverture réalisant la fin de descente du capot et la fermeture étanche de son ouverture ou orifice.When the central opening of the cover has a frustoconical lateral surface, the frustoconical lateral surface of the cap has an equal or slightly greater total cone angle (at most 10 °) so as to obtain good embedding and blocking of this plug in the opening carrying out the end of descent of the cover and the sealed closing of its opening or orifice.

Le capot comporte habituellement une jupe extérieure, uniquement décorative. Pour des questions d'aspect et de tenue générale du récipient, elle s'engage de préférence autour d'une portion sensiblement cylindrique du bas de la tête, par exemple avec un jeu de 0,1 à 0,3 mm au diamètre. On peut se servir de cet engagement pour réaliser un témoin d'ouverture du distributeur, sous forme d'un décor, par exemple une coloration de ladite portion cylindrique, qui est démasqué par le dévissage de montée du capot, et masqué par sa descente. Cette jupe extérieure améliore alors le maintien du capot dans l'axe découlant déjà de l'emboîtement avec serrage de la jupe interne du capot à l'intérieur de la tête, et des moyens de déplacement axial du capot.The hood usually includes an outer skirt, only decorative. For questions of appearance and general behavior of the container, it preferably engages around a substantially cylindrical portion of the bottom of the head, for example with a play of 0.1 to 0.3 mm in diameter. This engagement can be used to make a dispenser opening indicator, in the form of a decoration, for example a coloring of said cylindrical portion, which is unmasked by unscrewing the hood from rising, and masked by its descent. This outer skirt then improves the retention of the cover in the axis already arising from the interlocking with tightening of the internal skirt of the cover inside the head, and means of axial displacement of the cover.

La tête, habituellement en matière plastique, peut être fixée sur le corps ou sur la jupe par surmoulage, par soudage ou par collage, le corps ou la jupe étant eux-mêmes en matière plastique ou métalloplastique (extérieurement en matière plastique) dans les deux premiers cas. On peut encore réaliser en une seule opération de moulage la tête fixée sur le corps ou sur la jupe.The head, usually made of plastic, can be fixed to the body or to the skirt by overmolding, welding or gluing, the body or the skirt being themselves made of plastic or metalloplastic material (externally made of plastic material) in both first cases. The head fixed on the body or on the skirt can also be produced in a single molding operation.

Par rapport au distributeur du brevet cité, le distributeur de l'invention présente les avantages principaux suivants : simplicité du dispositif, excellente étanchéité, très bon guidage du capot, particulièrement dans le cas de 3 à 5 filets décalés, sans dégradation de ce guidage au cours de l'utilisation.Compared to the distributor of the cited patent, the distributor of the invention has the following main advantages: simplicity of the device, excellent sealing, very good guiding of the cover, particularly in the case of 3 to 5 offset threads, without degradation of this guiding at during use.

Le distributeur de l'invention est utilisé dans les domaines pharmaceutique, cosmétologique, hygiénique et alimentaire.The dispenser of the invention is used in the pharmaceutical, cosmetological, hygienic and food fields.

L'invention sera mieux comprise à l'aide de l'exemple suivant illustré par les figures ci-après :

  • . la figure 1 représente en 1/2 coupe axiale, à droite la position du capot lors de sa première mise en place, à gauche la position de fermeture.
  • . la figure 2 représente en 1/2 coupe axiale à gauche la même position de fermeture du capot, et en 1/2 coupe du capot et vue extérieure de la tête du distributeur à droite, le capot en position d'ouverture.
The invention will be better understood with the aid of the following example illustrated by the figures below:
  • . Figure 1 shows in 1/2 axial section, on the right the position of the cover when it is first put in place, on the left the closed position.
  • . 2 shows in 1/2 axial section on the left the same position for closing the cover, and in 1/2 section of the cover and external view of the distributor head on the right, the cover in the open position.

Le dispositif selon l'invention comprend une tête 1 de distributeur et un capot 2. La tête 1 est en polyéthylène haute densité d'épaisseur 1 mm, surmoulée sur une jupe en PE moyen densité, d'épaisseur 0,5 mm. Le capot est en PP (polypropylène) moulé, d'épaisseur 1,25 mm à l'endroit de sa jupe extérieure. La tête 1 comporte une pastille ou bouchon tronconique 3, portée par trois supports obliques 4 raccordés à l'intérieur du goulot 5, et de largeur "transversale", c'est-à-dire selon une direction perpendiculaire à un plan axial passant par la patte 4 considérée, égale à 1,5 mm. Ce goulot 5 comporte une surface d'extrémité cylindrique interne 6. Elle est bordée à sa partie supérieure par un rebord extérieur 7, comportant un chanfrein supérieur 8. La surface externe du goulot 5 porte trois filets 9 de section rectangulaire, disposés à 120° les uns des autres. La partie inférieure de la tête 1 est constituée par une portion cylindrique 10, raccordée à la partie supérieure par une portion tronconique évasée 11. La pastille 3, les supports 4 et le goulot 5 délimitent de larges passages 12 par lesquels s'échappe le produit pâteux ou crémeux contenu dans le récipient lors de son utilisation.The device according to the invention comprises a distributor head 1 and a cover 2. The head 1 is made of high density polyethylene 1 mm thick, overmolded on a skirt in medium density PE, 0.5 mm thick. The cover is made of molded PP (polypropylene), 1.25 mm thick at the location of its outer skirt. The head 1 comprises a disc or frustoconical plug 3, carried by three oblique supports 4 connected inside the neck 5, and of "transverse" width, that is to say in a direction perpendicular to an axial plane passing through the tab 4 considered, equal to 1.5 mm. This neck 5 has an internal cylindrical end surface 6. It is bordered at its upper part by an outer rim 7, comprising an upper chamfer 8. The external surface of the neck 5 carries three threads 9 of rectangular section, arranged at 120 ° one another. The lower part of the head 1 is constituted by a cylindrical portion 10, connected to the upper part by a flared tapered portion 11. The pad 3, the supports 4 and the neck 5 define large passages 12 through which the product escapes pasty or creamy content in the container during use.

La disposition aérée des supports 4 laisse retomber librement le produit lors de la fermeture de l'orifice 14 par la pastille 3, évitant alors des sorties intempestives de produit provenant de surpressions liées à des étranglements intérieurs, sorties qui sont constatées avec les dispositifs connus.The ventilated arrangement of the supports 4 allows the product to drop freely when the orifice 14 is closed by the patch 3, thus avoiding untimely exits of product coming from overpressures linked to internal throttles, exits which are observed with known devices.

Le capot 2 comporte un voile supérieur 13, muni d'une ouverture tronconique 14, analogue à la pastille 3. Le capot comporte trois jupes interne 15, intermédiaire 16 et externe 17.The cover 2 comprises an upper cover 13, provided with a frustoconical opening 14, similar to the patch 3. The cover has three internal skirts 15, intermediate 16 and external 17.

La jupe interne comporte une surface cylindrique externe 18 qui s'appuie avec forcement à l'intérieur de la surface d'extrémité 6 du goulot 5 réalisant une excellente étanchéité.
La jupe intermédiaire 16 comporte sur sa surface interne un pas de vis femelle 19 correspondt aux filets 9, lequel est surmonté d'un jonc d'arrêt circulaire 20, de section sensiblement semi-circulaire.
La jupe externe 17 comporte une surface inférieure interne 21, qui s'encastre avec un jeu autour de la surface externe de l'enveloppe 10.The internal skirt has an external cylindrical surface 18 which is forcedly supported inside the end surface 6 of the neck 5 providing an excellent seal.
The intermediate skirt 16 has on its internal surface a female thread 19 corresponding to the threads 9, which is surmounted by a circular stop ring 20, of substantially semi-circular section.
The external skirt 17 has an internal lower surface 21, which is interlocked with a clearance around the external surface of the envelope 10.

Le diamètre de sortie de l'orifice 14 est ici de 5 mm, et le diamètre de passage du produit au niveau du bas de supports 4 est de 14 mm, le rapport correspondant diamètre de passage/diamètre de sortie du produit étant donc de 2,8.The outlet diameter of the orifice 14 is here 5 mm, and the product passage diameter at the bottom of supports 4 is 14 mm, the corresponding passage diameter / product outlet diameter ratio therefore being 2 , 8.

En position d'engagement (fig. 1 , à droite); le bouchon est engagé par translation, puis rotation "en vissant" dans la partie supérieure des filets 9. La poursuite du mouvement de rotation permet au jonc d'arrêt 20 de franchir l'épaulement 7 avec forcement, grâce au chanfrein 8. Le vissage peut être poursuivi jusqu'à fermeture complète de l'ouverture 14 (fig. 1, à gauche) par la pastille 3.
Lors du dévissage, l'ouverture 14 du bouchon est libérée et le bouchon est retenu en position haute par le jonc d'arrêt 20 qui s'appuie sur l'épaulement 7 (fig. 2, à droite). En forçant la rotation "en dévissant"à cet endroit, il est possible de désolidariser le bouchon 2 du corps du distributeur 1, mais ceci échappe à une utilisation normale du distributeur.In the engagement position (fig. 1, right); the plug is engaged by translation, then rotation "by screwing" in the upper part of the threads 9. The continuation of the movement of rotation allows the stop ring 20 to cross the shoulder 7 with forcing, thanks to the chamfer 8. The screwing can be continued until when the opening 14 is completely closed (fig. 1, left) by the pad 3.
When unscrewing, the opening 14 of the plug is released and the plug is retained in the high position by the retaining ring 20 which rests on the shoulder 7 (fig. 2, on the right). By forcing the rotation "by unscrewing" at this location, it is possible to separate the plug 2 from the body of the distributor 1, but this escapes normal use of the distributor.

Cette opération n'est pas utilisée lors de l'usage courant du distributeur, le capot n'étant mu qu'entre les positions de fermeture (fig. 2, à gauche) et d'ouverture (fig. 2, à droite).This operation is not used during normal use of the dispenser, the cover being moved only between the closed (fig. 2, left) and open (fig. 2, right) positions.

De nombreux essais de distributions et fermetures successives ont été faits avec des distributeurs selon l'exemple ci-dessus contenant une crème hydratante de viscosité 6000 cp. Il n'y a pas eu de débordement de crème à l'extérieur de l'orifice de sortie 14 contrairement à ce qui est observé avec les distributeurs connus.Numerous successive dispensing and closing tests were carried out with dispensers according to the example above containing a moisturizer with a viscosity of 6000 cp. There was no overflow of cream outside the outlet orifice 14 contrary to what is observed with known distributors.

Claims (10)

1. Distributeur de produit crémeux ou pâteux comportant une tête rigide (1) fixée sur un corps (100) ou jupe (100) ainsi qu'un capot (2), cette tête (1) et ce capot (2) comportant des moyens complémentaires (9,19) de montée de ce capot (2) par rotation dudit capot (2), ce capot (2) portant une ouverture centrale (14) et la tête (1) comportant un bouchon (3) porté par des pattes obliques (4) d'extrémités inférieures fixées à l'intérieur (5) de la tête (1) et venant obturer cette ouverture (14) en position basse du capot (2), la tête (1) et le capot (2) portant des moyens d'étanchéité complémentaires (6,15), caractérisé en ce que : a) lesdits moyens d'étanchéité (6,15) consistent en une jupe interne (15) du capot (2) s'insérant avec serrage directement à l'intérieur de la surface intérieure cylindrique (6) de la portion d'extrémité supérieure de ladite tête (1) ; b) lesdites extrémités inférieures desdites pattes obliques (4) sont fixées directement sur la surface intérieure de la dite tête (1), réalisant de grandes ouvertures de passage pour le produit ; c) lesdites extrémités inférieures desdites pattes (4) sont fixées sur l'intérieur de la tête (1) à une distance de l'extrémité supérieure de cette tête (1) supérieure à la distance de manoeuvre dudit capot (2), ladite jupe interne (15) étant ainsi toujours engagée dans la surface intérieure (6) de la tête (1) pendant les manoeuvres du capot (2). 1. Distributor of creamy or pasty product comprising a rigid head (1) fixed on a body (100) or skirt (100) as well as a cover (2), this head (1) and this cover (2) comprising means complementary (9,19) of mounting of this cover (2) by rotation of said cover (2), this cover (2) carrying a central opening (14) and the head (1) comprising a plug (3) carried by lugs obliques (4) of lower ends fixed inside (5) of the head (1) and closing this opening (14) in the lower position of the cover (2), the head (1) and the cover (2) bearing additional sealing means (6,15), characterized in that: a) said sealing means (6,15) consist of an internal skirt (15) of the cover (2) inserted with clamping directly inside the cylindrical internal surface (6) of the upper end portion of said head (1); b) said lower ends of said oblique tabs (4) are fixed directly to the inner surface of said head (1), making large passage openings for the product; c) said lower ends of said legs (4) are fixed on the inside of the head (1) at a distance from the upper end of this head (1) greater than the operating distance of said cover (2), said skirt internal (15) being thus always engaged in the internal surface (6) of the head (1) during the maneuvers of the cover (2). 2. Distributeur selon la revendication 1, dans lequel le rapport entre le diamètre maximal de passage du produit entre lesdites pattes obliques (4) et le diamètre de sortie de ladite ouverture centrale (14) du capot (2) est compris entre 1,7 et 3,5.2. Dispenser according to claim 1, wherein the ratio between the maximum diameter of passage of the product between said oblique tabs (4) and the outlet diameter of said central opening (14) of the cover (2) is between 1.7 and 3.5. 3. Distributeur selon la revendication 1, dans lequel lesdits moyens complémentaires de montée du capot consistent en un pas de vis à plusieurs (n) filets (9) décalés circonférentiellement de 2 II/n porté par l'extérieur de la tête (1) et en un pas de vis femelle (19) complémentaire desdits (n) filets (9) porté par l'intérieur d'une jupe (16) du capot (2), intermédiaire entre ladite jupe interne (15) et la jupe externe (17) dudit capot (2).3. Dispenser according to claim 1, in which said complementary means for mounting the cover consist of a thread with several (n) threads (9) offset circumferentially by 2 II / n carried by the outside of the head (1) and in a female thread (19) complementary to said (n) threads (9) carried by the inside of a skirt (16) of the cover (2), intermediate between said internal skirt (15) and the external skirt (17) of said cover (2). 4. Distributeur selon la revendication 2, dans lequel les (n) filets (9) sont au nombre de 3.4. Distributor according to claim 2, in which the (n) threads (9) are 3 in number. 5. Distributeur selon l'une quelconque des revendications 3 ou 4 dans lequel le pas des filets (9) est de 8 à 12 mm/tour.5. Distributor according to any one of claims 3 or 4 wherein the pitch of the threads (9) is 8 to 12 mm / revolution. 6. Distributeur selon l'une quelconque des revendications 1 ou 4, dans lequel la tête (1) comporte à son extrémité un rebord extérieur (7), la jupe intermédiaire (16) portant intérieurement une nervure d'arrêt (20) qui vient buter sous ledit rebord (7) en position haute du capot (2).6. Dispenser according to any one of claims 1 or 4, wherein the head (1) has at its end an outer rim (7), the intermediate skirt (16) internally carrying a stop rib (20) which comes abut under said flange (7) in the top position of the cover (2). 7. Distributeur selon la revendication 5, dans lequel ledit rebord extérieur (7) de la tête (1) comporte une surface latérale oblique et dans lequel la dite nervure d'arrêt (20) du capot (2) comporte une surface latérale arrondie, ces deux surfaces latérales réalisant un engagement avec forcement du capot (2) sur la tête (1) suivi de l'encliquetage de ladite nervure (20) en-dessous dudit rebord extérieur (7) de la tête (1) au début du vissage du capot (2).7. A dispenser according to claim 5, in which said outer rim (7) of the head (1) has an oblique lateral surface and in which said stop rib (20) of the cover (2) has a rounded lateral surface, these two lateral surfaces making an engagement with forcing of the cover (2) on the head (1) followed by the snapping of said rib (20) below said outer rim (7) of the head (1) at the start of screwing of the cover (2). 8. Distributeur selon la revendication 7, dans lequel ledit rebord extérieur (7) de la tête (1) et ladite nervure d'arrêt (20) de la jupe intermédiaire (16) du capot (2) réalisent entre elles un serrage de 0,05 à 0,25 mm au rayon et de préférence de 0,08 à 0,15 mm au rayon.8. The dispenser of claim 7, wherein said outer edge (7) of the head (1) and said stop rib (20) of the intermediate skirt (16) of the cover (2) achieve between them a tightening of 0 0.05 to 0.25 mm on the radius and preferably 0.08 to 0.15 mm on the radius. 9. Distributeur selon la revendication 1, dans lequel le capot (2) a une jupe externe (17) dont le bas s'engage autour d'une portion sensiblement cylindrique (10) de la tête (1) en position de fermeture, cette portion (10), qui porte un décor témoin de l'ouverture, étant démasquée par le dévissage du capot (2).9. A dispenser according to claim 1, in which the cover (2) has an external skirt (17) the bottom of which engages around a substantially cylindrical portion (10) of the head (1) in the closed position, this portion (10), which bears a decoration showing the opening, being unmasked by unscrewing the cover (2). 10. Distributeur selon la revendication 1, dans lequel la tête (1) est en matière plastique et le corps (100) ou jupe (100) sont en matière plastique ou métalloplastique, la tête (1) étant fixée sur ce corps (100) ou cette jupe (100) par surmoulage.10. The dispenser of claim 1, wherein the head (1) is plastic and the body (100) or skirt (100) are plastic or metalloplastic, the head (1) being fixed on this body (100) or this skirt (100) by overmolding.
EP90420008A 1989-01-06 1990-01-04 Dispenser for viscous products having a central cap opened by turning it Expired - Lifetime EP0378488B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8900292 1989-01-06
FR8900292 1989-01-06

Publications (2)

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EP0378488A1 true EP0378488A1 (en) 1990-07-18
EP0378488B1 EP0378488B1 (en) 1994-03-09

Family

ID=9377638

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EP90420008A Expired - Lifetime EP0378488B1 (en) 1989-01-06 1990-01-04 Dispenser for viscous products having a central cap opened by turning it

Country Status (12)

Country Link
EP (1) EP0378488B1 (en)
JP (1) JPH02233371A (en)
AT (1) ATE102569T1 (en)
CA (1) CA2007175C (en)
DE (1) DE69007131T2 (en)
DK (1) DK0378488T3 (en)
ES (1) ES2049954T3 (en)
FI (1) FI94118C (en)
IE (1) IE64266B1 (en)
IS (1) IS1579B (en)
NO (1) NO900045L (en)
PT (1) PT92787B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121249A1 (en) * 1991-06-27 1993-01-14 Alcina Cosmetic Dr Kurt Wolff Bottle cap with spout and seal - has sidewall opening forming outlet and sealing portion sliding axially
US5199605A (en) * 1989-01-06 1993-04-06 Cebal Creamy or pasty product dispenser with a rotationally controlled aperture in the cap and with safety means against uncontrolled opening
WO1993022212A1 (en) * 1992-05-04 1993-11-11 Createchnic Ag Central sealing-pin closure
EP0690008A3 (en) * 1994-07-01 1997-02-26 Duering Ag Threaded bottle closure
WO1998023494A1 (en) * 1996-11-25 1998-06-04 Diseño Industrial Mago, S.L. Sealed closure cap
ES2152790A1 (en) * 1997-11-07 2001-02-01 Diseno Ind Mago S L Carbonated drink container or bottle sealed closure cap
EP2431294A1 (en) * 2010-09-16 2012-03-21 DB Design GmbH Rotary closure for cosmetic containers
US9359115B1 (en) * 2014-11-21 2016-06-07 Berlin Packaging, Llc Push pull container closure
US10016044B2 (en) 2013-04-16 2018-07-10 Glaxosmithkline (china) Investment Co. Ltd Applicator head for fluid material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030078284A (en) * 2002-03-29 2003-10-08 김영호 Opening and shutting device for bottle cap

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US3263851A (en) * 1964-05-14 1966-08-02 American Can Co Container closure
US3735905A (en) * 1971-01-25 1973-05-29 American Can Co Precision neck construction for center lock captive closure
DE2709665A1 (en) * 1977-03-05 1979-01-25 Henkel Kgaa Bottle cap with adjustable opening - has ring of holes around round tapering stopper which fits inside bottle neck
US4179052A (en) * 1977-09-16 1979-12-18 Lever Brothers Company Container cap
US4383623A (en) * 1981-03-17 1983-05-17 Ethyl Products Company Dispensing closure with stationary axial plug
FR2574377A1 (en) * 1984-12-07 1986-06-13 Morel Simone Device for stopping a tube, bottle or other container with opening and closing controlled by the rotation of the top cap
FR2600978A1 (en) * 1986-05-12 1988-01-08 Astra Plastique DISPENSING CAP WITH ROTATING CAP FOR PASTA PRODUCTS

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JPS519550Y2 (en) * 1971-02-06 1976-03-13
JPS5521935U (en) * 1978-07-31 1980-02-13
EP0187567B1 (en) * 1984-12-07 1989-08-02 Simone Morel Obturating device for tubes, flasks and other containers, the opening and closing of which are controlled by rotation

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Publication number Priority date Publication date Assignee Title
US3263851A (en) * 1964-05-14 1966-08-02 American Can Co Container closure
US3735905A (en) * 1971-01-25 1973-05-29 American Can Co Precision neck construction for center lock captive closure
DE2709665A1 (en) * 1977-03-05 1979-01-25 Henkel Kgaa Bottle cap with adjustable opening - has ring of holes around round tapering stopper which fits inside bottle neck
US4179052A (en) * 1977-09-16 1979-12-18 Lever Brothers Company Container cap
US4383623A (en) * 1981-03-17 1983-05-17 Ethyl Products Company Dispensing closure with stationary axial plug
FR2574377A1 (en) * 1984-12-07 1986-06-13 Morel Simone Device for stopping a tube, bottle or other container with opening and closing controlled by the rotation of the top cap
FR2600978A1 (en) * 1986-05-12 1988-01-08 Astra Plastique DISPENSING CAP WITH ROTATING CAP FOR PASTA PRODUCTS

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5199605A (en) * 1989-01-06 1993-04-06 Cebal Creamy or pasty product dispenser with a rotationally controlled aperture in the cap and with safety means against uncontrolled opening
DE4121249A1 (en) * 1991-06-27 1993-01-14 Alcina Cosmetic Dr Kurt Wolff Bottle cap with spout and seal - has sidewall opening forming outlet and sealing portion sliding axially
WO1993022212A1 (en) * 1992-05-04 1993-11-11 Createchnic Ag Central sealing-pin closure
US5501377A (en) * 1992-05-04 1996-03-26 Createchnic Ag Central sealing pin cap
EP0690008A3 (en) * 1994-07-01 1997-02-26 Duering Ag Threaded bottle closure
WO1998023494A1 (en) * 1996-11-25 1998-06-04 Diseño Industrial Mago, S.L. Sealed closure cap
US6328174B1 (en) 1996-11-25 2001-12-11 Diseno Industrial Mago. S.L. Sealed closure cap
ES2152790A1 (en) * 1997-11-07 2001-02-01 Diseno Ind Mago S L Carbonated drink container or bottle sealed closure cap
EP2431294A1 (en) * 2010-09-16 2012-03-21 DB Design GmbH Rotary closure for cosmetic containers
US10016044B2 (en) 2013-04-16 2018-07-10 Glaxosmithkline (china) Investment Co. Ltd Applicator head for fluid material
EP2986530B1 (en) * 2013-04-16 2018-09-19 Glaxosmithkline (china) Investment Co., Ltd Applicator head
US9359115B1 (en) * 2014-11-21 2016-06-07 Berlin Packaging, Llc Push pull container closure

Also Published As

Publication number Publication date
FI94118C (en) 1995-07-25
NO900045L (en) 1990-07-09
EP0378488B1 (en) 1994-03-09
FI94118B (en) 1995-04-13
IE64266B1 (en) 1995-07-26
CA2007175A1 (en) 1990-07-06
IE900046L (en) 1990-07-06
DE69007131T2 (en) 1994-07-21
PT92787B (en) 1996-01-31
ATE102569T1 (en) 1994-03-15
DE69007131D1 (en) 1994-04-14
CA2007175C (en) 1997-06-10
DK0378488T3 (en) 1994-04-05
PT92787A (en) 1990-07-31
ES2049954T3 (en) 1994-05-01
FI900076A (en) 1990-07-07
IS3534A7 (en) 1990-07-07
FI900076A0 (en) 1990-01-05
JPH02233371A (en) 1990-09-14
IS1579B (en) 1995-06-08
NO900045D0 (en) 1990-01-05

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