EP0169099A1 - Sealing closure for a container, especially for a centrifugal bucket - Google Patents

Sealing closure for a container, especially for a centrifugal bucket Download PDF

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Publication number
EP0169099A1
EP0169099A1 EP85401128A EP85401128A EP0169099A1 EP 0169099 A1 EP0169099 A1 EP 0169099A1 EP 85401128 A EP85401128 A EP 85401128A EP 85401128 A EP85401128 A EP 85401128A EP 0169099 A1 EP0169099 A1 EP 0169099A1
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EP
European Patent Office
Prior art keywords
container
cover
edge
closure device
shoulder
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.)
Withdrawn
Application number
EP85401128A
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German (de)
French (fr)
Inventor
Fernand Barbin
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.)
Jouan SA
Original Assignee
Jouan SA
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Filing date
Publication date
Application filed by Jouan SA filed Critical Jouan SA
Publication of EP0169099A1 publication Critical patent/EP0169099A1/en
Withdrawn legal-status Critical Current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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • B65D45/16—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped
    • B65D45/20—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped pivoted
    • B65D45/22—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped pivoted resilient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
    • B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
    • B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes

Definitions

  • the present invention relates to a sealed closure device, in particular for centrifuge pods, and also relates to the container provided with such a device.
  • Sealed centrifuge nacelles are known, the cover of which is screwed in the case of cylindrical nacelles or is fixed by means of screws. These devices require removing the basket from the centrifuge or using a tool to remove the tubes of treated product.
  • the opening and closing of the nacelles is possible without having to remove the latter from the centrifuge, which promotes the convenience of handling the products that the nacelles contain.
  • the nacelles being arranged so that their cover is directed towards the axis of the centrifuge.
  • the locking is effected automatically by the centrifugal force which applies the cover to the container, thus promoting the snap-fastening of the poorly closed blade.
  • the container will advantageously have a circular opening, this shape not requiring a particular positioning of the cover relative to the container and allowing a uniform positioning of the O-ring in its housing, which ensures that a good seal is obtained when closing .
  • the cover may be transparent, in order to verify, before opening the cover, that no incident has happened to the product tubes.
  • the elastic blades will advantageously be housed in grooves parallel to the axis of the container and formed on the internal wall of the latter, thus ensuring the lateral wedging of the blades.
  • a lug located at the lower part of the blades and coming into abutment against a corresponding shoulder of the container, will block any possibility of vertical translation upwards of said blades.
  • the fixing of the blades on the wall of the container will be ensured by a screw tightened in a thread provided in the thickness of the body of the container.
  • the inclination of the chamfer of the internal face of the edge of the cover is variable according to the hardness, the positioning and the size of the joint.
  • the closure device applies to a container 1, in particular what is called in the art a centrifuge basket.
  • This container has a cylindrical side wall and is open at one end.
  • the edge 2 which surrounds its opening has an annular guide surface 3 and an annular shoulder 4.
  • An O-ring 5 is placed in a groove of corresponding shape formed in the corner of the guide surface 3 and the shoulder 4.
  • the closure device comprises a cover 7 having a skirt 8 complementary to the guide surface 3.
  • the skirt 8 ensures the positioning and axial guidance of the cover 7 when the container is opened and closed.
  • the outer face 12 of the edge 9 has a concave curvature whose role will be explained later.
  • the closure device further comprises at least two elastic blades 13 fixed along the external lateral wall of the container in grooves 14 and tightened against the wall by screws 15.
  • Each blade is provided with a lug 16 which comes apply against a shoulder 17 of the container, thus blocking any possibility of vertical translation of the blades upwards, and relieving the screw 15 of any shearing force.
  • the blades 13 each have at the outer face 12 of the edge of the cover in place on the container, a fold 18 turned inward and surmounted by an oblique extension 19 (see also Figure 4). This fold 18 is intended to snap when the cover is closed on the concave curved face 12 of the edge of the cover.
  • the cover 7 is first guided axially via its skirt 8, by the annular guide surface 3 of the edge 2 of the container.
  • the raised edge 9 of the cover 7 sliding on the oblique extensions 19; causes the elastic blades 13 to flex outwards, until it has crossed the folds facing inwards 18.
  • the blades 13 are resiliently returned to their initial position and the folds 18 snap into place on the raised edge 9 of the cover, keeping the cover closed.
  • the chamfer 10 of the internal face of the edge of the cover is then applied under pressure to the O-ring 5 and the compression of the latter ensures the sealing of the cover-seal and seal-container junction.
  • the cover 7 can be removed by a simple manual pull on the oblique extensions 19 of the elastic blades in order to separate the fold 18 of the latter from the edge of the cover.
  • the latter is then elastically pushed by the seal 5 which relaxes to resume its form of rest.
  • the removal of the cover is further favored by the pressure of the oblique extensions 19, when the blades are returned to their initial position, acting laterally on the edge 9 of the cover and thus lifting the latter.
  • concentric ridges 20 arranged on the cover facilitate the exercise of manual pressure without hampering the view from the inside, and that the inclination of the chamfer 10 of the internal face of the cover is variable according to the hardness, the positioning and the size of the joint.
  • the elastic blades with hooking pleats can be fixed, no longer on the container, but on the lid by means, for example, of a rigid ring secured to the lid, supported on the edge of the latter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Centrifugal Separators (AREA)

Abstract

The container comprises an annular guide surface (3) with the same axis as the container and an annular shoulder (4), an O-ring (5) disposed in the angle formed by the said guide surface and the said shoulder. The closure comprises a cover (7) with a skirt (8) with a shape which complements that of the guide surface (3), at least two elastic leaves (13) fixed on the wall of the container and comprising a hooking fold (18) permitting sealed locking of the said cover (7).

Description

La présente invention concerne un dispositif de fermeture étanche, notamment pour nacelles de centrifugeur, et concerne également le récipient muni d'un tel dispositif.The present invention relates to a sealed closure device, in particular for centrifuge pods, and also relates to the container provided with such a device.

On sait que l'opération de centrifugation de produit en biologie nécessite, en raison de la pathogénicité et de la non-certitude de l'aseptie des produits traités, un soin particulier quant à la protection du manipulateur et aux risques de propagation dans l'environnement.We know that the product centrifugation operation in biology requires, because of the pathogenicity and the uncertain certainty of the aseptic nature of the treated products, special care as to the protection of the handler and the risks of spread in the environment.

Ces produits sont normalement contenus dans des tubes disposés a raison d'un ou plusieurs dans des récipients ou nacelles logés dans la cuve du centrifugeur.These products are normally contained in tubes arranged one or more in containers or nacelles housed in the centrifuge tank.

Le risque de casse des tubes existe et nécessite que ces derniers soient enfermés dans des nacelles étanches afin d'éviter le risque de dispersion des produits à l'ouverture du centrifugeur.The risk of breakage of the tubes exists and requires that the latter be enclosed in sealed baskets in order to avoid the risk of dispersion of the products when the centrifuge is opened.

On connaît des nacelles étanches de centrifugeurs dont le couvercle se visse dans le cas de nacelles cylindriques ou se fixe au moyen de vis. Ces dispositifs obligent à sortir la nacelle du centrifugeur ou à utiliser un outil pour sortir les tubes de produit traité.Sealed centrifuge nacelles are known, the cover of which is screwed in the case of cylindrical nacelles or is fixed by means of screws. These devices require removing the basket from the centrifuge or using a tool to remove the tubes of treated product.

Par le brevet FR-A-409 429, on connaît un dispositif de fermeture, dans lequel l'appui du couvercle sur le récipient est réalisé en totalité sur le joint élastique. Ce dispositif ne peut assurer un positionnement précis du couvercle à la fermeture et, d'autre part, le joint doit contenir l'intégralité des efforts de compression de couvercle en fermeture. Un tel agencement ne peut convenir à une nacelle oe centrifugeur où les joints seraient soumis dans cette configuration à rude épreuve, supportant, d'une part, les vibrations de la centrifugation et, d'autre part, la force cen- trifuge importante s'appliquant au couvercle en régime maximal.From patent FR-A-409,429, a closing device is known, in which the support of the cover on the container is produced entirely on the elastic seal. This device cannot ensure precise positioning of the cover upon closing and, on the other hand, the seal must contain all of the compression efforts of the cover during closing. Such an arrangement cannot be suitable for a centrifuge nacelle in which the seals would be subjected in this severe test configuration, supporting, on the one hand, the vibrations of centrifugation and, on the other hand, the large centrifugal force s' applying to the cover at maximum speed.

Ce principe d'interposition d'un joint entre le bord d'un couvercle appliqué en fermeture sur un récipient est également décrit dans les brevets US-A-1 935 094 et FR-A-407 398.This principle of interposing a seal between the edge of a cover applied as a closure to a container is also described in patents US-A-1,935,094 and FR-A-407,398.

La présente invention vise à remédier à ces inconvénients et propose un dispositif de fermeture étanche pour un récipient, par exemple une nacelle de centrifugeur, dont le bord qui entoure son ouverture, présente du côté externe une réduction d'épaisseur de paroi, qui définit une surface annulaire de guidage de même axe que le récipient et un épaulement annulaire, un joint torique étant disposé dans l'angle formé par ladite surface de guidage et ledit épaulement, caractérisé en ce qu'il comprend :

  • - un couvercle comportant une jupe de forme complémentaire de la surface de guidage du récipient et se terminant par un bord périphérique relevé vers l'extérieur, ledit bord présentant, sur sa face interne, un chanfrein destiné à prendre appui sur le joint torique et une surface inférieure destinée à venir en appui sur ledit épaulement pour limiter la pénétration du couvercle sur le récipient, et, sur la face externe, une paroi à courbure concave, et
  • - au moins deux lames élastiques fixées sur la paroi externe du récipient parallèlement à son axe et présentant chacune un pli d'accrochage vers l'intérieur situé sensiblement au niveau dudit bord relevé du couvercle et qui se prolonge par une extension oblique vers le haut et vers l'extérieur.
The present invention aims to remedy these drawbacks and proposes a sealed closure device for a container, for example a centrifuge basket, the edge of which surrounds its opening, presents on the external side a reduction in wall thickness, which defines a annular guide surface of the same axis as the container and an annular shoulder, an O-ring being disposed in the angle formed by said guide surface and said shoulder, characterized in that it comprises:
  • a cover comprising a skirt of complementary shape to the guide surface of the container and ending in a peripheral edge raised towards the outside, said edge having, on its internal face, a chamfer intended to bear on the O-ring and a lower surface intended to come to bear on said shoulder to limit the penetration of the lid onto the container, and, on the external face, a wall with concave curvature, and
  • - at least two elastic blades fixed on the outer wall of the container parallel to its axis and each having an inward hooking pleat located substantially at said raised edge of the cover and which is extended by an oblique upward extension and outwards.

Il résulte de cette disposition que le couvercle du récipient se ferme et s'ouvre très facilement. Une simple pression sur le couvercle suffit à fermer le récipient.It follows from this arrangement that the container lid closes and opens very easily. A simple pressure on the lid is enough to close the container.

Cette disposition permet un serrage parfaitement reproductible car indépendant de l'utilisateur. Il n'y a donc pas de risque de serrage insuffisant ou trop important et la tenue des composants dans le temps est prolongée.This arrangement allows a perfectly reproducible tightening because independent of the user. There is therefore no risk of insufficient or excessive tightening and the resistance of the components over time is extended.

Dans le cas de nacelles de centrifugeur, l'ouverture et la fermeture des nacelles sont possibles sans avoir à retirer ces dernières du centrifugeur, ce qui favorise la commodité des manutentions des produits que les nacelles contiennent.In the case of centrifuge nacelles, the opening and closing of the nacelles is possible without having to remove the latter from the centrifuge, which promotes the convenience of handling the products that the nacelles contain.

Par ailleurs, les nacelles étant disposées de manière que leur couvercle soit dirigé vers l'axe du centrifugeur, en cas de fermeture incomplète d'un couvercle, le verrouillage est réalisé automatiquement par 1a force centrifuge qui applique le couvercle sur le récipient, favorisant ainsi l'encliquetage de la lame mal fermée.Furthermore, the nacelles being arranged so that their cover is directed towards the axis of the centrifuge. In the event of an incomplete closure of a cover, the locking is effected automatically by the centrifugal force which applies the cover to the container, thus promoting the snap-fastening of the poorly closed blade.

Le récipient aura avantageusement une ouverture circulaire, cette forme ne nécessitant pas un positionnement particulier du couvercle par rapport au récipient et permettant une mise en place uniforme du joint torique dans son logement, ce qui assure l'obtention d'une bonne étanchéité à la fermeture.The container will advantageously have a circular opening, this shape not requiring a particular positioning of the cover relative to the container and allowing a uniform positioning of the O-ring in its housing, which ensures that a good seal is obtained when closing .

Le couvercle pourra être transparent, afin de vérifier, avant l'ouverture du couvercle, qu'aucun incident n'est arrivé aux tubes de produit.The cover may be transparent, in order to verify, before opening the cover, that no incident has happened to the product tubes.

Les lames élastiques seront avantageusement logées dans des rainures parallèles à l'axe du récipient et formées sur la paroi interne de celui-ci, assurant ainsi le calage latéral des lames. Un ergot situé à la partie inférieure des lames et venant en butée contre un épaulement correspondant du récipient, bloquera toute possibilité de translation verticale vers le haut desdites lames. La fixation des lames sur la paroi du récipient sera assurée par une vis serrée dans un taraudage prévu dans l'épaisseur du corps du récipient.The elastic blades will advantageously be housed in grooves parallel to the axis of the container and formed on the internal wall of the latter, thus ensuring the lateral wedging of the blades. A lug located at the lower part of the blades and coming into abutment against a corresponding shoulder of the container, will block any possibility of vertical translation upwards of said blades. The fixing of the blades on the wall of the container will be ensured by a screw tightened in a thread provided in the thickness of the body of the container.

Enfin, l'inclinaison du chanfrein de la face interne du bord du couvercle est variable en fonction de la dureté, du positionnement et de la taille du joint.Finally, the inclination of the chamfer of the internal face of the edge of the cover is variable according to the hardness, the positioning and the size of the joint.

L'invention sera à présent décrite à l'aide d'un exemple de réalisation non limitatif en regard des dessins annexés sur lesquels :

  • - la figure 1 est une vue en coupe transversale d'un dispositif de fermeture selon l'invention ;
  • - la figure 2 est une vue de dessus de ce dispositif ;
  • - la figure 3 est une vue en coupe transversale du bord du couvercle; et
  • - la figure 4 est une vue en perspective d'une lame élastique faisant partie du dispositif selon l'invention.
The invention will now be described with the aid of a nonlimiting exemplary embodiment with reference to the appended drawings in which:
  • - Figure 1 is a cross-sectional view of a closure device according to the invention;
  • - Figure 2 is a top view of this device;
  • - Figure 3 is a cross-sectional view of the edge of the cover; and
  • - Figure 4 is a perspective view of an elastic blade forming part of the device according to the invention.

Le dispositif de fermeture, comme représenté à la figure 1 s'applique à un récipient 1, notamment ce qui est appelé dans la technique une nacelle de centrifugeur. Ce récipient comporte une paroi latérale cylindrique et est ouvert à une extrémité. Le bord 2 qui entoure son ouverture comporte une surface annulaire de guidage 3 et un épaulement annulaire 4. Un joint torique 5 est disposé dans une gorge de forme correspondante formée dans l'angle de la surface de guidage 3 et de l'épaulement 4.The closure device, as shown in FIG. 1, applies to a container 1, in particular what is called in the art a centrifuge basket. This container has a cylindrical side wall and is open at one end. The edge 2 which surrounds its opening has an annular guide surface 3 and an annular shoulder 4. An O-ring 5 is placed in a groove of corresponding shape formed in the corner of the guide surface 3 and the shoulder 4.

Avec référence plus particulièrement à la figure 3, le dispositif de fermeture comprend un couvercle 7 présentant une jupe 8 complémentaire de la surface de guidage 3.With more particular reference to FIG. 3, the closure device comprises a cover 7 having a skirt 8 complementary to the guide surface 3.

La jupe 8 assure le positionnement et guidage axial du couvercle 7 à l'ouverture et à la fermeture du récipient.The skirt 8 ensures the positioning and axial guidance of the cover 7 when the container is opened and closed.

Elle se termine par un bor-1 9 relevé vers l'extérieur présentant un chanfrein 10 et une surface d'appui 11. Le chanfrein s'applique en pression en position fermée sur toute la périphérie du joint 5, réalisant ainsi l'étanchéité de la fermeture. La mise en appui de la surface inférieure 11 contre l'épaulement 4 détermine l'enfoncement maximal du couvercle.It ends with a bor-1 9 raised towards the outside having a chamfer 10 and a bearing surface 11. The chamfer is applied in pressure in the closed position over the entire periphery of the joint 5, thus making the seal of the closure. The pressing of the lower surface 11 against the shoulder 4 determines the maximum depression of the cover.

La face externe 12 du bord 9 présente une courbure concave dont le rôle sera expliqué ultérieurement.The outer face 12 of the edge 9 has a concave curvature whose role will be explained later.

Le dispositif de fermeture comporte en outre au moins deux lames élastiques 13 fixées le long de la paroi latérale externe du récipient dans des rainures 14 et serrées contre la paroi par des vis 15. Chaque lame est pourvue d'un ergot 16 qui vient s'appliquer contre un épaulement 17 du récipient, bloquant ainsi toute possibilité de translation verticale des lames vers le haut, et déchargeant la vis 15 de tout effort de cisaillement.The closure device further comprises at least two elastic blades 13 fixed along the external lateral wall of the container in grooves 14 and tightened against the wall by screws 15. Each blade is provided with a lug 16 which comes apply against a shoulder 17 of the container, thus blocking any possibility of vertical translation of the blades upwards, and relieving the screw 15 of any shearing force.

Les lames 13 présentent chacune au niveau de la face externe 12 du bord du couvercle en place sur le récipient, un pli 18 tourné vers l'intérieur et surmonté d'une extension oblique 19 (voir aussi figure 4). Ce pli 18 est destiné à s'encliqueter lors de la fermeture du couvercle sur la face à courbure concave 12 du bord du couvercle.The blades 13 each have at the outer face 12 of the edge of the cover in place on the container, a fold 18 turned inward and surmounted by an oblique extension 19 (see also Figure 4). This fold 18 is intended to snap when the cover is closed on the concave curved face 12 of the edge of the cover.

Lors de son engagement sur le récipient, le couvercle 7 est d'abord guidé axialement par l'intermédiaire de sa jupe 8, par la surface annulaire de guidage 3 du bord 2 du récipient. Au cours de ce mouvement, le bord relevé 9 du couvercle 7 glissant sur les extensions obliques 19; fait fléchir les lames élastiques 13 vers l'extérieur, jusqu'à ce qu'il ait franchi les plis tournés vers l'intérieur 18. A ce moment les lames 13 sont rappelées élastiquement vers leur position initiale et les plis 18 viennent s'encliqueter sur le bord relevé 9 du couvercle, maintenant le couvercle en fermeture. Le chanfrein 10 de la face interne du bord du couvercle est alors appliqué en pression sur le joint torique 5 et la compression de ce dernier assure l'étanchéité de la jonction couvercle-joint et joint-récipient.During its engagement on the container, the cover 7 is first guided axially via its skirt 8, by the annular guide surface 3 of the edge 2 of the container. During this movement, the raised edge 9 of the cover 7 sliding on the oblique extensions 19; causes the elastic blades 13 to flex outwards, until it has crossed the folds facing inwards 18. At this time the blades 13 are resiliently returned to their initial position and the folds 18 snap into place on the raised edge 9 of the cover, keeping the cover closed. The chamfer 10 of the internal face of the edge of the cover is then applied under pressure to the O-ring 5 and the compression of the latter ensures the sealing of the cover-seal and seal-container junction.

Inversement, le couvercle 7 peut être retiré par une simple traction manuelle sur les extensions obliques 19 des lames élastiques afin d'écarter le pli 18 de ces dernières du bord du couvercle. Ce dernier est alors poussé élastiquement par le joint 5 qui se détend pour reprendre sa forme de repos. L'enlèvement du couvercle est encore favorisé par la pression des extensions obliques 19, lors du rappel des lames à leur position initiale, agissant latéralement sur le bord 9 du couvercle et soulevant ainsi ce dernier.Conversely, the cover 7 can be removed by a simple manual pull on the oblique extensions 19 of the elastic blades in order to separate the fold 18 of the latter from the edge of the cover. The latter is then elastically pushed by the seal 5 which relaxes to resume its form of rest. The removal of the cover is further favored by the pressure of the oblique extensions 19, when the blades are returned to their initial position, acting laterally on the edge 9 of the cover and thus lifting the latter.

On notera que des stries concentriques 20 disposées sur le couvercle facilitent l'exercice de la pression manuelle sans gêner la vision de l'intérieur, et que l'inclinaison du chanfrein 10 de la face interne du couvercle est variable suivant la dureté, le positionnement et la taille du joint.It will be noted that concentric ridges 20 arranged on the cover facilitate the exercise of manual pressure without hampering the view from the inside, and that the inclination of the chamfer 10 of the internal face of the cover is variable according to the hardness, the positioning and the size of the joint.

Il va de soi que de nombreuses variantes de réalisation peuvent être apportées au dispositif de fermeture dans le cadre de l'invention. Ainsi, les lames élastiques avec plis d'accrochage peuvent être fixées, non plus sur le récipient, mais sur le couvercle par l'intermédiaire, par exemple, d'un anneau rigide solidaire du couvercle, appuyé sur le bord de ce dernier.It goes without saying that many alternative embodiments can be made to the closure device within the framework of the invention. Thus, the elastic blades with hooking pleats can be fixed, no longer on the container, but on the lid by means, for example, of a rigid ring secured to the lid, supported on the edge of the latter.

Claims (6)

1 - Dispositif de fermeture étanche pour un récipient (1), par exemple une nacelle de centrifugei:r , dont le bord (2) qui entoure son ouverture, présente du côté externe une réduction d'épaisseur de paroi, qui définit une surface annulaire de guidage (3) de même axe que le récipient et un épaulement annulaire (4), un joint torique (5) étant disposé dans l'angle formé par ladite surface de guidage et ledit épaulement, ledit dispositif comprenant un couvercle (7) comportant une jupe (8) de forme complémentaire de la surface de guidage (3) du récipient et se terminant par un bord périphérique (9) relevé vers l'extérieur avec une paroi 12 à courbure concave et au moins deux lames élastiques 13 fixées sur la paroi externe du récipient parallèlement à son axe. et présentant chacune un pli d'accrochage (18) vers l'intérieur situé sensiblement au niveau du bord relevé (9) du couvercle et qui se prolonge par une extension oblique (19) vers le haut et vers l'extérieur, caractérisé en ce que ledit bord (9) présente sur sa face interne un chanfrein (10) destiné à prendre appui sur le joint torique (5) et une surface inférieure (11) destinée à venir en appui sur ledit épaulement (4) pour limiter la pénétration du couvercle (7) sur le récipient.1 - Sealing closure device for a container (1), for example a centrifuge basket: r, the edge (2) of which surrounds its opening, presents on the external side a reduction in wall thickness, which defines an annular surface guide (3) of the same axis as the container and an annular shoulder (4), an O-ring (5) being arranged in the angle formed by said guide surface and said shoulder, said device comprising a cover (7) comprising a skirt (8) of complementary shape to the guide surface (3) of the container and ending with a peripheral edge (9) raised towards the outside with a wall 12 with concave curvature and at least two elastic blades 13 fixed on the outer wall of the container parallel to its axis. and each having an inward hooking pleat (18) located substantially at the raised edge (9) of the cover and which is extended by an oblique extension (19) upwards and outwards, characterized in that that said edge (9) has on its internal face a chamfer (10) intended to bear on the O-ring (5) and a lower surface (11) intended to bear on said shoulder (4) to limit the penetration of the cover (7) on the container. 2 - Dispositif de fermeture selon la revendication 1, caractérisé en ce que l'inclinaison du chanfrein (10) de la face interne du bord du couvercle varie en fonction de la dureté, du positionnement et de la dimension du joint (5).2 - Closure device according to claim 1, characterized in that the inclination of the chamfer (10) of the internal face of the edge of the cover varies according to the hardness, the positioning and the dimension of the seal (5). 3 - Dispositif de fermeture selon l'une des revendications 1 ou 2, caractérisé en ce que lesdites lames élastiques (13) sont logées dans des rainures (14) parallèles à l'axe du récipient et formées sur la paroi externe de celui-ci, lesdites lames étant pourvues à leur partie inférieure d'un ergot (16) venant en butée contre un épaulement (17) tourné vers le bas dudit récipient.3 - Closure device according to one of claims 1 or 2, characterized in that said elastic blades (13) are housed in grooves (14) parallel to the axis of the container and formed on the outer wall thereof , said blades being provided at their lower part with a lug (16) abutting against a shoulder (17) facing downwards of said container. 4 - Dispositif de fermeture selon l'une des revendications précédentes, caractérisé en ce que la jupe (8) et le chanfrein (10) du bord (9) du couvercle (7) sont circulaires.4 - Closure device according to one of the preceding claims, characterized in that the skirt (8) and the chamfer (10) of the edge (9) of the cover (7) are circular. 5 - Dispositif de fermeture selon l'une des revendications précédentes, caractérisé en ce que le couvercle (7) est transparent.5 - Closure device according to one of the preceding claims, characterized in that the cover (7) is transparent. 6 - Récipient comportant un dispositif de fermeture étanche selon l'une des revendications 1 à 5.6 - Container comprising a sealed closure device according to one of claims 1 to 5.
EP85401128A 1984-06-15 1985-06-07 Sealing closure for a container, especially for a centrifugal bucket Withdrawn EP0169099A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8409435A FR2565941B1 (en) 1984-06-15 1984-06-15 SEALED CLOSING DEVICE FOR A CONTAINER, IN PARTICULAR A CENTRIFUGAL NACELLE
FR8409435 1984-06-15

Publications (1)

Publication Number Publication Date
EP0169099A1 true EP0169099A1 (en) 1986-01-22

Family

ID=9305092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401128A Withdrawn EP0169099A1 (en) 1984-06-15 1985-06-07 Sealing closure for a container, especially for a centrifugal bucket

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Country Link
EP (1) EP0169099A1 (en)
FR (1) FR2565941B1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR409429A (en) * 1900-01-01
FR407398A (en) * 1909-06-22 1910-02-26 Louis Auguste Le Bourhis New closure device for the sterilization of canned household foods, boxes, verrines, earthenware, pottery
GB216342A (en) * 1923-06-01 1924-05-29 Waldo Edward Braden Improvements in or relating to closure means for jars
US1631522A (en) * 1925-08-25 1927-06-07 Culver Bevan Fruit Jar Company Cap-fastening means for preserving jars
US1812673A (en) * 1928-06-06 1931-06-30 Hazel Atlas Glass Co Jar closure
DE528707C (en) * 1931-07-02 Max Bergmann Seal, especially for canning jars
US1935094A (en) * 1931-09-21 1933-11-14 Richard F Krause Coffee container
US3567113A (en) * 1969-03-18 1971-03-02 Us Air Force Miniature, portable, self-powered, high speed, clinical centrifuge

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR409429A (en) * 1900-01-01
DE528707C (en) * 1931-07-02 Max Bergmann Seal, especially for canning jars
FR407398A (en) * 1909-06-22 1910-02-26 Louis Auguste Le Bourhis New closure device for the sterilization of canned household foods, boxes, verrines, earthenware, pottery
GB216342A (en) * 1923-06-01 1924-05-29 Waldo Edward Braden Improvements in or relating to closure means for jars
US1631522A (en) * 1925-08-25 1927-06-07 Culver Bevan Fruit Jar Company Cap-fastening means for preserving jars
US1812673A (en) * 1928-06-06 1931-06-30 Hazel Atlas Glass Co Jar closure
US1935094A (en) * 1931-09-21 1933-11-14 Richard F Krause Coffee container
US3567113A (en) * 1969-03-18 1971-03-02 Us Air Force Miniature, portable, self-powered, high speed, clinical centrifuge

Also Published As

Publication number Publication date
FR2565941A1 (en) 1985-12-20
FR2565941B1 (en) 1987-03-20

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