EP1097086A1 - Removable case for opening and closing a pressurized can provided with a frangible obturator - Google Patents

Removable case for opening and closing a pressurized can provided with a frangible obturator

Info

Publication number
EP1097086A1
EP1097086A1 EP98932223A EP98932223A EP1097086A1 EP 1097086 A1 EP1097086 A1 EP 1097086A1 EP 98932223 A EP98932223 A EP 98932223A EP 98932223 A EP98932223 A EP 98932223A EP 1097086 A1 EP1097086 A1 EP 1097086A1
Authority
EP
European Patent Office
Prior art keywords
case
cover
axis
opening
hem
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
EP98932223A
Other languages
German (de)
French (fr)
Other versions
EP1097086B1 (en
Inventor
Didier Martin
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.)
Akline
Original Assignee
Akline
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 Akline filed Critical Akline
Publication of EP1097086A1 publication Critical patent/EP1097086A1/en
Application granted granted Critical
Publication of EP1097086B1 publication Critical patent/EP1097086B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • B65D17/4014—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab and provided with attached means for reclosing or resealing
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/0014—Action for opening container pivot tab and push-down tear panel
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/0032—Reclosable openings the tab reclosing the opening
    • B65D2517/0034—Reclosable openings the tab reclosing the opening by means of the hand grip alone, e.g. rotating hand grip into opening
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/0059—General cross-sectional shape of container end panel
    • B65D2517/0061—U-shaped
    • 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
    • Y10S220/00—Receptacles
    • Y10S220/906—Beverage can, i.e. beer, soda

Definitions

  • the invention relates to a method for opening the frangible shutter of a container of the beverage can type according to the preamble of the first claim, using an insert case which can then be reused for closing said beverage can.
  • the process is particularly advantageous in that it provides numerous advantages in the manufacture and filling of beverage cans, as well as in their handling, storage and distribution.
  • a few devices for filling containers of this type comprising a cylindrical body, a bottom and a cover on which an opening with a generally sectoral dimension that is less than the dimension of the cover can be made, by means of a frangible shutter that is pushed back inside the container by the leverage effect provided by a pull tab held in the center and above said cover by a rivet.
  • a method of opening and filling the frangible shutter of a beverage can according to the preamble of the first claim, remarkable in that it eliminates the gripping or pulling tab at the time of the manufacture of the cover and before it is crimped onto the cylindrical box, to replace it with a connecting member capable of securing a removable case to the cover of the box while leaving it at least one degree of freedom to perform a rotational movement in the vertical plane, so that said case, lifted by its end close to the peripheral hemming crimp, can pivot around the connecting member lever on the central rivet and thus push 1 ' frangible shutter by means of the other end provided for this purpose with a reinforced leading edge.
  • the case which is used for opening and filling the beverage cans is arranged on the cover in a very simple manner; the case is in fact embedded on the connecting member by a simple vertical pressure, said member itself being shaped to be housed in a capture well located in the mass of the case so that the edge of attack at the front of said case comes to the right of the frangible shutter and that the rear part of the same case is at the right of the crimping hem, to initially constitute the pulling element intended to smash the shutter frangible, and if necessary, in a second step, the filling element by horizontal pivoting of the case around the rivet on a sector of angle of 180 °.
  • - Figure 2 corresponds to section II-II of the previous figure showing for the two variants, a vertical section of the characteristic elements of the case
  • - Figures 3 show three different variants of the connecting member between the case figs 1 and 2 and the cover of the box in the center of which said member is riveted; the figures show on the left the elevation view of each variant and on the right the left view,
  • FIG. 4 is a vertical sectional view schematically showing the mounting of a case in accordance with the first simplified variant of the method, on a box shown schematically and partially, and showing on torn off on a larger scale the detail of two executions d 'snap of the connecting member into the mass of the case,
  • FIGS. 8 and 9 are views in vertical section schematically showing the mounting of a removable case according to the most elaborate variant of the method on one connecting member riveted to the center of the cover of a box shown schematically and partially;
  • Figure 9 schematically shows the case in the clipped position on the peripheral hem after opening the frangible shutter, shown in Figure 8;
  • FIG. 10 represents the case of FIG. 9 after a rotation of 180 ° to cause it to be superimposed on the opening detailed in FIGS. 8 and 9.
  • Such containers generally comprise a cylindrical body usually obtained by stamping a flat blank made of mild steel or aluminum, a constriction 3 being posteriorly produced near the upper edge of said body on which a cover 4, also metallic, is fixed by perimeter crimping. forming a particularly advantageous peripheral hem 5 as will be said later; the cover 4 is in known manner provided with a frangible shutter 6, which once torn along a line of lesser resistance executed for this purpose, provides an opening 7 of generally sectoral shape, allowing the drink contained in the box to be consumed 2.
  • the cutting of the shutter 6 is generally carried out in the prior art by means of a pull tab usually comprising a grasping eye, made from a thin sheet by adequate folding.
  • This pull tab is secured to the box 2 by means of a rivet 8 in the center and above the cover 4 so that by lifting said tab, it drives the shutter 6 towards the interior of the container by effect of lever on the rivet 8, before naturally returning to a position slightly inclined with respect to its initial position.
  • the pull tab fitted to the previous solutions is omitted to be replaced by a removable case 1 as shown in Figures 1 and 2 according to two half-views each presenting an alternative embodiment.
  • This connecting member 9 essentially comprises a horizontal axis 90 maintained in a horizontal position slightly above the face upper cover 4 by a deformable connecting piece securing the axis 90 to cover 4
  • the axis 90 is such that it is able to collaborate with the case 1 provided for this purpose with a capture well in which the pin 90 is clipped or fitted to secure the case 1 to the cover 4 , as will be described later.
  • the axis 90 can be mounted on a deformable connecting piece 91, for example a metal identical to that of the cover, as shown in Figure 3a-left, that is ie on the opposite side of one frangible shutter 6 with respect to the rivet 8 or vice versa on the same side as shown in FIG. 3b-left, or else be directly coming from the rivet 8 by virtue of a vertical projection 92, FIG.
  • a deformable connecting piece 91 for example a metal identical to that of the cover, as shown in Figure 3a-left, that is ie on the opposite side of one frangible shutter 6 with respect to the rivet 8 or vice versa on the same side as shown in FIG. 3b-left, or else be directly coming from the rivet 8 by virtue of a vertical projection 92, FIG.
  • the connecting member 9 consists of a deformable element advantageously made of metal similar to that of the cover 4, having the general shape of an L whose vertical wing 91 of rectangular shape horizontally supports the axis 90 by its longitudinal edge the length of which is shorter than that of the axis 90 to create on either side of the wing 91 parts of protruding axes 93 and 94; the horizontal wing of the element is intended to secure the connecting member 9 to the cover 4 by means of a rivet 8 from which it comes ( Figure 3c) or which passes through ( Figure 3a and b) allowing rotation of the member centered on the rivet 8.
  • the case 1 in the general form of an angular sector (without this form is also mandatory) is preferably obtained by injecting a plastic material inside a mold intended to produce at high speed.
  • Each case 1 has one side upper 11 and a lower face 12 intended to come to bear on the cover 4, the two faces being joined by substantially vertical side walls 13 and 14 capable of forming a volume therebetween for receiving complementary members capable of cooperating closely with the axis 90 and its connection to the cover 4, to form a device allowing the opening and subsequent filling of the frangible shutter 6.
  • the capture well 10 has, according to a first embodiment, an entry zone 101 whose vertical section in the longitudinal plane of symmetry is advantageously triangular flared downwards and narrowing vertically to a throttle 15 surmounted by a cavity 102 of circular section capable of receiving the axis 90 of the connecting member 9 when the case is in contact with the cover; it goes without saying that the passage section of the constriction 15 is smaller than the diameter of the axis 90 so as to retain it in the cavity 102, after a passage in force through the constriction at the time of clipping.
  • the well 10 has an entry zone 101 with parallel vertical walls or advantageously inclined from bottom to top; each wall is provided at the axis of attachment of the axis 90 on its connecting piece 91, 92 with at least one flexible tongue 103, 104 extending substantially horizontally towards the other wall where it can, if necessary, lean vertically after being stressed from bottom to top by the axis 90 at the time of its penetration into the cavity 102, during assembly; the tongues 103 and 104 are dimensioned to come against the fixing line of the axis 90 on its support, and / or under the protruding parts 93, 94 of the axis 90 and resting on the facing wall, to constitute as much of vertical retaining elements of the axis 90 in the mass of the case 1.
  • the case 1 further comprises at one of its ends, an appendage 16 constituting a reinforced leading edge to act, as will be developed later, on the frangible shutter 6 which tears according to a line of least resistance to form a final opening 7.
  • an appendage 16 constituting a reinforced leading edge to act, as will be developed later, on the frangible shutter 6 which tears according to a line of least resistance to form a final opening 7.
  • means are provided for connecting the case to the crimping hem 5; such means are for example described in the European patent EP-0.558.422 already cited.
  • these connecting means 17 make it possible in particular to use the crimping hem 5 of the cover 4 on the box 2 as a rail for circularly guiding the case 1 when the latter is used for the filling of the opening 7 obtained by rotation of said case 1 around the rivet 8 bringing its lower face 12 to the right of the opening 7 to close it;
  • the lower face 12 of the case 1 is provided with a bulge 18 whose shape is substantially identical to the general shape of the opening 7 and the thickness sufficient to just fit into it and improve the filling; of course and as explained in the European patent, the connecting means 17 cooperating with the crimping hem 5 complete the compression of the bulge zone 18 inside the opening 7.
  • the entrance to the capture well 10 is disposed on the underside 12 of the case at a distance from the end comprising the connecting means 17 such that when they are on the hem 5, l the member 9 fits exactly into the well 10.
  • this first alternative embodiment of the case 1 firstly provides the function of opening the beverage can, for example delivered with its case 1 factory fitted after filling and crimping the cover 4 on the box 2; the user must then release the connecting means 17 from the hem 5 in order to drive the case 1 in a vertical rotation around the connecting member 9 secured to the center of the cover 4 thanks to the rivet 8.
  • the reinforced edge 16 comes to bear on the frangible shutter 6 which it smashes by leverage on the member 9.
  • the case 1 according to this second variant is generally identical to the case 1 of the previous variant, except for the connection part which cooperates with the body connection 9 and more especially with the axis 90 secured to the cover 4 by means of a central rivet 8.
  • the case 1 is provided with a capture well 20 arranged perpendicular to its longitudinal axis, but placed substantially in the center of the case 1 between its two ends 16 and 17 serving respectively as a leading edge 16 for detaching the frangible cover 6 and clipping means 17 on the crimping hem 5 as it was said in the previous variant.
  • the well 20, allowing the vertical embedding of the axis 90 when bringing the case 1 towards the cover 4, is associated with a translation channel 21 opening onto the well 20 and extending in a horizontal or inclined plane in the direction of the reinforced edge 16 over a distance such as the axis 90, penetrating into the well 20 and passing through the translation channel 21 by a retraction of the case in the direction of the crimping hem in a plane substantially parallel to the plane of the cover and along a radial of the latter, that is to say in front of the translation channel, when the rear connection means 17 are in position to clip onto the crimping hem 5.
  • the front end of the translation channel 21 in this variant exactly coincides with the position of the capture well 10 in the first variant, which is clearly shown by the two half-views of FIG. 1.
  • the translation channel 21 ensuring the radial movement of the case 1 after it has been mounted on the member 9 must be such that once engaged, the axis 90 can no longer escape from said channel and vertically secures the case 1 with the cover 4.
  • the depth of the grooves 22 is chosen to just embed the protruding parts 93 and 94 ( Figures 3) of the axis 90 relative to the connecting piece 91 of the axis 90.
  • the distance separating the two vertical blanks 24 of the translation channel 21 corresponds to the width of said connecting piece 91.
  • the capture well 20 can be improved, for example by giving it a flared entry which tapers to a longitudinal constriction, similar to the constriction 15 of the well 10, above which one opens into the translation channel 21 as described before.
  • the advantage of this execution is to be able to clip the case (1) in the center of the cover (4) before filling and crimping on the box (2), in a single vertical installation operation.
  • the box 2 as partially and schematically shown in FIG. 5 is prepared with a cover 4 provided with a frangible shutter 6 (shown in solid lines in all the figures), crimped on the box 2 after filling, which provides a hem peripheral 5 in elevation relative to the face of the cover 4.
  • the case 1 shaped according to the second variant is presented vertically along arrow ⁇ on the cover 4 so that the capture well 20 comes in line with the 'axis 90 horizontally arranged near the center of the cover 4 according to one of any of the variants detailed in FIGS. 3.
  • the lower face 12 and more specifically the bulge 18 of the case 1 is found in abutment on the cover 4 so that it is entirely included in the area delimited by the peripheral hem 5 in accordance in Figure 6; at this time, the connecting member 9 is fully implanted in the capture well 20 ensuring the necessary maintenance of the case on the beverage can 2 which can thus be stacked, stored and shipped in any manner already known.
  • the case 1 can be mounted on the connecting member 9 before the crimping of the cover 4, that is to say before filling, without interfering with the subsequent crimping operation.
  • This translation D will have the effect of displacing the axis 90 radially along the translation channel 21, the connecting element 91, 92 of the axis 90 sliding between the two lateral blanks 24 of said translation channel, and the projecting parts 93, 94 of the axis 90 passing through the two lateral grooves 22 emerging, as we have seen at the bottom of the capture well 20 and extending up to l 'before the translation channel 21 which abuts the axis 90 and thus secures the case 1 to the cover 4; the only possible movement is then a rotational movement in the direction of arrow E in FIG.
  • the bottom 23 of the translation channel 21 may have an inclination relative to the flat bottom of the bulge 18.
  • the inclination of the translation channel results from a slope given to the bottom 23 from the capture well 20 towards the center of the cover, that is to say towards the axis 90.
  • the case (1) is translated towards the peripheral hem 5 as indicated by the arrow D in the figure 7, it is progressively tightened between its bearing face and the upper face of the cover 4 so that at the time of filling (FIG. 10) the pressure of the case 1 on the opening 7 is substantially increased, at least when it is clipped onto hem 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Devices For Opening Bottles Or Cans (AREA)

Abstract

A method and device for opening a drink can provided with a frangible obturator which can be pushed back inside the can using a tongue that is fixed in a horizontal position in the middle of the lid by means of a rivet on which the tongue can pivot as a lever to produce an opening which is later closed by a movable case that is adapted on the tongue which is pivoted around the river in order to move onto the opening.

Description

ETUI AMOVIBLE POUR L'OUVERTURE ET LE REBOUCHAGE D'UNE BOITE A BOISSON MUNIE D'UN OBTURATEUR FRANGIBLEREMOVABLE CASE FOR OPENING AND CAPPING A BEVERAGE BOX PROVIDED WITH A FRANGIBLE SHUTTER
L ' invention concerne un procédé pour 1 ' ouverture de 1 ' obturateur frangible d ' un récipient du type boîte à boisson conforme au préambule de la première revendication, utilisant un étui rapporté réutilisable ensuite pour la fermeture de ladite boîte à boisson. Le procédé est particulièrement intéressant en ce qu'il apporte de nombreux avantages dans la fabrication et le remplissage des boîtes à boisson, ainsi que dans leur manipulation, leur stockage et leur diffusion. On connaît déjà dans l'art antérieur quelques dispositifs de rebouchage de récipients de ce type comprenant un corps cylindrique, un fond et un couvercle sur lequel peut être pratiquée une ouverture de dimension globalement sectorielle inférieure à la dimension du couvercle, au moyen d'un obturateur frangible que l'on vient repousser à l'intérieur du récipient par l'effet de levier procuré par une languette de tirage maintenue au centre et au dessus dudit couvercle par un rivet.The invention relates to a method for opening the frangible shutter of a container of the beverage can type according to the preamble of the first claim, using an insert case which can then be reused for closing said beverage can. The process is particularly advantageous in that it provides numerous advantages in the manufacture and filling of beverage cans, as well as in their handling, storage and distribution. There are already known in the prior art a few devices for filling containers of this type comprising a cylindrical body, a bottom and a cover on which an opening with a generally sectoral dimension that is less than the dimension of the cover can be made, by means of a frangible shutter that is pushed back inside the container by the leverage effect provided by a pull tab held in the center and above said cover by a rivet.
Parmi les dispositifs de l'art antérieur, celui qui est décrit dans le brevet européen EP-0.558.422 est sans aucun doute le plus remarquable en ce qu ' il est constitué d'un étui monté de manière amovible sur ou autour de la languette de tirage, avant ou après l'ouverture d'une boîte cylindrique métallique comportant un couvercle muni d'un obturateur frangible, pour constituer une patte mobile pivotante autour du rivet maintenant la languette de tirage sur la partie supérieure du couvercle, cet étui venant d'une part s'encastrer sur ladite languette de tirage, et d'autre part grâce à des bords périphériques extérieurs convenablement conformés, se clipper autour de l'ourlet périphérique de sertissage du couvercle sur le corps cylindrique de la boîte, cet ourlet servant alors de rail extérieur pour faciliter les déplacements circulaires de l'étui au dessus du couvercle. Un avantage important de ce dispositif est que 1 ' étui amovible peut être disposé sur la boîte après le remplissage et le sertissage du couvercle, ce qui constituait un progrès important par rapport aux solutions antérieures.Among the devices of the prior art, that which is described in European patent EP-0.558.422 is undoubtedly the most remarkable in that it consists of a case removably mounted on or around the tongue. draw, before or after the opening of a cylindrical metal box having a cover provided with a frangible obturator, to constitute a movable tab pivoting around the rivet holding the pull tab on the upper part of the cover, this case coming from on the one hand to be embedded on said pull tab, and on the other hand thanks to suitably shaped external peripheral edges, to clip around the peripheral hem of crimping of the cover on the cylindrical body of the box, this hem then serving of external rail to facilitate circular movements of the case above the cover. An important advantage of this device is that the removable case can be placed on the box after the filling and crimping the cover, which was a significant improvement over previous solutions.
De manière à proposer au consommateur une boîte à boisson équipée d'emblée de son étui de rebouchage, une opération de pose était donc nécessaire avant la diffusion commerciale du produit ; cette opération de pose se décomposait en trois phases essentielles :In order to provide the consumer with a beverage can immediately equipped with its filling case, a fitting operation was therefore necessary before the commercial distribution of the product; this installation operation was broken down into three essential phases:
- levage de la languette de préhension sans déchirer l'obturateur frangible,- lifting of the gripping tab without tearing the frangible shutter,
- propulsion de l'étui amovible pour l'encastrer sur ou autour de ladite languette,- propulsion of the removable case to embed it on or around said tongue,
- clippage par pression verticale de l'étui sur l'ourlet de sertissage. Cette opération de pose, technologiquement possible et économiquement abordable, se heurte néanmoins à une première série d'inconvénients : elle nécessite des automates de pose, du type carroussel ou peigne qui doivent travailler à très haute cadence avec beaucoup de précision pour soulever la languette métallique dans une première phase, sans pour autant perforer l'obturateur frangible ; d'un autre côté, il est nécessaire que les automates de pose soient implantés dans les locaux de remplissage du fabricant de boisson, en outre, l'implantation de l'étui sur le couvercle de la boîte apporte une surépaisseur sur l'ourlet périphérique qui peut gêner le transport et le stockage de telles boîtes traditionnellement empilées les unes sur les autres.- clipping by vertical pressure of the case on the crimp hem. This laying operation, technologically possible and economically affordable, nevertheless encounters a first series of drawbacks: it requires automatic laying machines, of the carousel or comb type, which must work at very high speed with great precision to lift the metal tongue. in a first phase, without piercing the frangible shutter; on the other hand, it is necessary that the automatic dispensers are located in the filling premises of the beverage manufacturer, in addition, the establishment of the case on the lid of the box provides extra thickness on the peripheral hem which can hinder the transport and storage of such boxes traditionally stacked on top of each other.
Pour palier à tous ces inconvénients, il est proposé conformément à l'invention, un procédé d'ouverture et de rebouchage de l'obturateur frangible d'une boîte à boisson selon le préambule de la première revendication, remarquable en ce qu ' on supprime la languette de préhension ou de tirage au moment de la fabrication du couvercle et avant son sertissage sur la boîte cylindrique, pour la remplacer par un organe de liaison susceptible de solidariser un étui amovible au couvercle de la boîte tout en lui laissant au moins un degré de liberté pour effectuer un mouvement de rotation dans le plan vertical, afin que ledit étui, soulevé par son extrémité proche de l'ourlet périphérique de sertissage, puisse pivoter autour de l'organe de liaison en levier sur le rivet central et ainsi enfoncer 1 ' obturateur frangible au moyen de l'autre extrémité munie à cet effet d'un bord d'attaque renforcé.To overcome all these drawbacks, it is proposed according to the invention, a method of opening and filling the frangible shutter of a beverage can according to the preamble of the first claim, remarkable in that it eliminates the gripping or pulling tab at the time of the manufacture of the cover and before it is crimped onto the cylindrical box, to replace it with a connecting member capable of securing a removable case to the cover of the box while leaving it at least one degree of freedom to perform a rotational movement in the vertical plane, so that said case, lifted by its end close to the peripheral hemming crimp, can pivot around the connecting member lever on the central rivet and thus push 1 ' frangible shutter by means of the other end provided for this purpose with a reinforced leading edge.
Selon une première variante du procédé que 1 ' on vient de décrire, l'étui qui est utilisé pour l'ouverture et le rebouchage des boîtes à boisson est disposé sur le couvercle d'une manière très simple ; l'étui est en effet encastré sur l'organe de liaison par une simple pression verticale, ledit organe étant lui-même conformé pour se loger dans un puits de capture situé dans la masse de l'étui de telle façon que le bord d'attaque à l'avant dudit étui vienne au droit de 1 ' obturateur frangible et que la partie arrière du même étui soit au droit de l'ourlet de sertissage, pour constituer dans un premier temps l'élément de tirage destiné à défoncer l'obturateur frangible, et le cas échéant, dans un deuxième temps, l'élément de rebouchage par pivotement horizontal de l'étui autour du rivet sur un secteur d'angle de 180°.According to a first variant of the process that has just been described, the case which is used for opening and filling the beverage cans is arranged on the cover in a very simple manner; the case is in fact embedded on the connecting member by a simple vertical pressure, said member itself being shaped to be housed in a capture well located in the mass of the case so that the edge of attack at the front of said case comes to the right of the frangible shutter and that the rear part of the same case is at the right of the crimping hem, to initially constitute the pulling element intended to smash the shutter frangible, and if necessary, in a second step, the filling element by horizontal pivoting of the case around the rivet on a sector of angle of 180 °.
On comprend bien qu'une telle variante apporte d'indéniables avantages sur l'art antérieur en ce que la pose de l'étui en automatique, s'en trouve considérablement facilitée puisqu'il n'est plus nécessaire de soulever la languette ; il suffit d'une simple pression verticale pour amener l'étui sur la boîte et le clipper simultanément sur l'organe de liaison et l'ourlet de sertissage.It will be understood that such a variant brings undeniable advantages over the prior art in that the fitting of the case automatically, is considerably facilitated since it is no longer necessary to lift the tongue; a simple vertical pressure is enough to bring the case to the box and clip it simultaneously to the connecting member and the crimp hem.
Néanmoins, un tel procédé conduit à disposer un étui d'emblée sur l'ourlet de sertissage, il est proposé selon une autre variante particulièrement achevée de l'invention, de solidariser l'étui au couvercle en deux temps : d'abord, par une pression verticale de l'étui sur l'organe de liaison qui vient s'encastrer dans un puits de capture prévu dans la masse de l'étui, ensuite par une translation radiale dans un plan sensiblement horizontal parallèlement au couvercle amenant le bord d'attaque de 1 ' étui au droit de 1 ' obturateur frangible et la partie arrière de 1 ' étui à proximité de 1 ' ourlet périphérique afin, ici encore, de constituer dans un premier temps l'élément de tirage pour défoncer l'obturateur frangible, et le cas échéant, dans un deuxième temps, l'élément de rebouchage par un pivotement horizontal de 180° de l'étui autour du rivet.However, such a method results in having a case at the outset on the crimping hem, it is proposed according to another particularly completed variant of the invention, to secure the case to the cover in two stages: first, by a vertical pressure of the case on the connecting member which is embedded in a capture well provided in the mass of the case, then by a radial translation in a substantially horizontal plane parallel to the cover bringing the leading edge of the case to the right of the frangible shutter and the rear part of the case close to the peripheral hem in order, here again, to initially constitute the element of pulling to smash the frangible shutter, and if necessary, in a second step, the filling element by a horizontal pivoting of 180 ° of the case around the rivet.
Selon cette dernière variante, il ressort de nouveaux avantages qui sont cette fois liés au fait que l'étui qui peut être translaté radialement sur le couvercle peut entièrement stationner dans l'espace intérieur délimité par l'ourlet de sertissage et la face du couvercle. On comprend alors que l'étui ainsi disposé ne constitue plus une gêne pour l'outil de sertissage du couvercle, avec l'heureuse conséquence qu'il peut être monté sur le couvercle avant le sertissage.According to this last variant, new advantages emerge which are linked this time to the fact that the case which can be translated radially on the cover can entirely park in the interior space delimited by the crimping hem and the face of the cover. It is then understood that the case thus disposed no longer constitutes a nuisance for the crimping tool of the cover, with the happy consequence that it can be mounted on the cover before crimping.
De plus, un tel procédé simplifie la pose de l'étui et supprime des automates de pose sur les chaînes de remplissage ce qui évite en outre d'en perturber le déroulement ; le procédé permet également de réaliser une économie substantielle de métal tenant à la suppression partielle des languettes de tirage de 1 ' art antérieur et d'économiser une partie des opérations de pliage liées à cette même languette. Enfin, un tel procédé qui évite les surépaisseurs de plastique sur l'ourlet périphérique 1 ' étui étant provisoirement maintenu au centre du couvercle, est particulièrement avantageux pour le transport et le stockage des boîtes a boisson qui s'effectueront de manière habituelle.In addition, such a method simplifies the installation of the case and eliminates automatic dispensers on the filling chains, which furthermore avoids disturbing the course thereof; the method also makes it possible to achieve a substantial saving in metal due to the partial elimination of the pull tabs of the prior art and to save part of the folding operations linked to this same tab. Finally, such a method which avoids the excess thickness of plastic on the peripheral hem, the case being temporarily held in the center of the cover, is particularly advantageous for the transport and storage of the beverage cans which will be carried out in the usual manner.
On décrira ci-après deux variantes principales du dispositif mettant en oeuvre le procédé conforme à l'invention, données à titre d'exemples non limitatifs de l'invention pour mieux faire ressortir d'autres avantages et caractéristiques en références aux dessins sur lesquels : - la figure 1 représente suivant deux demi-vues de dessous deux variantes de l'étui amovible : la demi-vue de droite par rapport à 1 ' axe longitudinal de 1 ' étui correspond à une variante simplifiée et la demi-vue de gauche correspond à la variante la plus avantageuse de 1" invention,Two main variants of the device implementing the method according to the invention will be described below, given by way of nonlimiting examples of the invention to better highlight other advantages and characteristics with reference to the drawings in which: - Figure 1 shows in two half-views from below two variants of the removable case: the right half-view with respect to the longitudinal axis of the case corresponds to a simplified variant and the left half-view corresponds to the most advantageous variant of the invention,
- la figure 2 correspond à la coupe II-II de la figure précédente montrant pour les deux variantes, une coupe verticale des éléments caractéristiques de l'étui, - les figures 3 représentent trois variantes différentes de l'organe de liaison entre l'étui des figues 1 et 2 et le couvercle de la boîte au centre duquel ledit organe est riveté ; les figures montrent à gauche la vue en élévation de chaque variante et à droite la vue de gauche,- Figure 2 corresponds to section II-II of the previous figure showing for the two variants, a vertical section of the characteristic elements of the case, - Figures 3 show three different variants of the connecting member between the case figs 1 and 2 and the cover of the box in the center of which said member is riveted; the figures show on the left the elevation view of each variant and on the right the left view,
- la figure 4 est une vue en coupe verticale représentant schématiquement le montage d'un étui conformément à la première variante simplifiée du procédé, sur une boîte représentée schématiquement et partiellement, et montrant sur des arrachés à plus grande échelle le détail de deux exécutions d' encliquetage de l'organe de liaison dans la masse de l'étui,- Figure 4 is a vertical sectional view schematically showing the mounting of a case in accordance with the first simplified variant of the method, on a box shown schematically and partially, and showing on torn off on a larger scale the detail of two executions d 'snap of the connecting member into the mass of the case,
- les figures 5 à 10 sont des vues en coupe verticale représentant schématiquement le montage d'un étui amovible conformément à la variante la plus élaborée du procédé sur 1 ' organe de liaison riveté au centre du couvercle d'une boîte représentée schématiquement et partiellement ; la figure 9 montre schématiquement l'étui en position clippé sur l'ourlet périphérique après ouverture de l'obturateur frangible, représentée en figure 8 ; la figure 10 représente l'étui de la figure 9 après une rotation de 180° pour l'amener à se superposer sur l'ouverture détaillée sur les figures 8 et 9.- Figures 5 to 10 are views in vertical section schematically showing the mounting of a removable case according to the most elaborate variant of the method on one connecting member riveted to the center of the cover of a box shown schematically and partially; Figure 9 schematically shows the case in the clipped position on the peripheral hem after opening the frangible shutter, shown in Figure 8; FIG. 10 represents the case of FIG. 9 after a rotation of 180 ° to cause it to be superimposed on the opening detailed in FIGS. 8 and 9.
En référence aux figures, on décrira ci-après deux variantes préférées d'un étui amovible 1 mettant en oeuvre le procédé tel qu'exposé au dessus, pour l'ouverture et le rebouchage ultérieur de récipients du type boîte à boisson 2. De tels récipients comportent généralement un corps cylindrique habituellement obtenu par emboutissage d'un flan plat en acier doux ou en aluminium, un rétreint 3 étant postérieurement réalisé à proximité du bord supérieur dudit corps sur lequel on vient fixer un couvercle 4 également métallique par sertissage périmétrique formant un ourlet périphérique 5 particulièrement avantageux comme il sera dit plus loin ; le couvercle 4 est de manière connue pourvu d'un obturateur frangible 6, qui une fois déchiré suivant une ligne d'une moindre résistance exécuté à cet effet, procure une ouverture 7 de forme globalement sectorielle, permettant de consommer la boisson contenue dans la boîte 2. Le découpage de l'obturateur 6 est généralement opéré dans l'art antérieur au moyen d'une languette de tirage comprenant habituellement un oeillet de préhension, fabriquée à partir d'une tôle fine par pliage adéquat. Cette languette de tirage est solidarisée à la boîte 2 au moyen d'un rivet 8 au centre et au dessus du couvercle 4 de telle manière qu'en soulevant ladite languette, elle chasse l'obturateur 6 vers l'intérieur du récipient par effet de levier sur le rivet 8, avant de revenir naturellement à une position légèrement inclinée par rapport à sa position initiale. En référence aux figures 3 des dessins, et conformément à l'une des caractéristiques essentielles de l'invention, la languette de tirage équipant les solutions antérieures est supprimée pour être remplacée par un étui amovible 1 tel que représenté sur les figures 1 et 2 selon deux demi-vues présentant chacune une variante d' exécution.With reference to the figures, two preferred variants of a removable case 1 will be described below, implementing the method as set out above, for the opening and subsequent filling of containers of the beverage can type 2. Such containers generally comprise a cylindrical body usually obtained by stamping a flat blank made of mild steel or aluminum, a constriction 3 being posteriorly produced near the upper edge of said body on which a cover 4, also metallic, is fixed by perimeter crimping. forming a particularly advantageous peripheral hem 5 as will be said later; the cover 4 is in known manner provided with a frangible shutter 6, which once torn along a line of lesser resistance executed for this purpose, provides an opening 7 of generally sectoral shape, allowing the drink contained in the box to be consumed 2. The cutting of the shutter 6 is generally carried out in the prior art by means of a pull tab usually comprising a grasping eye, made from a thin sheet by adequate folding. This pull tab is secured to the box 2 by means of a rivet 8 in the center and above the cover 4 so that by lifting said tab, it drives the shutter 6 towards the interior of the container by effect of lever on the rivet 8, before naturally returning to a position slightly inclined with respect to its initial position. With reference to Figures 3 of the drawings, and in accordance with one of the essential characteristics of the invention, the pull tab fitted to the previous solutions is omitted to be replaced by a removable case 1 as shown in Figures 1 and 2 according to two half-views each presenting an alternative embodiment.
A la place de la languette de tirage, il est prévu un organe de liaison 9 maintenu au centre du couvercle 4 par un rivet 8. Cet organe de liaison 9 comporte essentiellement un axe horizontal 90 maintenu en position horizontale un peu au dessus de la face supérieure du couvercle 4 par une pièce de liaison deformable solidarisant l'axe 90 au couvercle 4 L'axe 90 est tel qu'il est apte à collaborer avec l'étui 1 muni à cet effet d'un puits de capture dans lequel vient se clipper ou s'encastrer l'axe 90 pour solidariser l'étui 1 au couvercle 4, comme il sera décrit plus loin.Instead of the pull tab, there is provided a connecting member 9 held in the center of the cover 4 by a rivet 8. This connecting member 9 essentially comprises a horizontal axis 90 maintained in a horizontal position slightly above the face upper cover 4 by a deformable connecting piece securing the axis 90 to cover 4 The axis 90 is such that it is able to collaborate with the case 1 provided for this purpose with a capture well in which the pin 90 is clipped or fitted to secure the case 1 to the cover 4 , as will be described later.
Conformément à des exécutions particulières représentées dans les figures 3, l'axe 90 peut être monté sur une pièce de liaison 91 deformable, par exemple un métal identique à celui du couvercle, telle que représentée sur la figure 3a-gauche, c'est-à-dire du côté opposé de 1 ' obturateur frangible 6 par rapport au rivet 8 ou inversement du même côté telle que représentée en figure 3b-gauche, ou encore être directement issue du rivet 8 grâce à une excroissance verticale 92, figure 3ç ; l'organe de liaison 9 est constitué d'un élément deformable avantageusement en métal analogue à celui du couvercle 4, ayant la forme générale d'un L dont l'aile verticale 91 de forme rectangulaire supporte horizontalement l'axe 90 par son bord longitudinal dont la longueur est plus courte que celle de l'axe 90 pour créer de part et d'autre de l'aile 91 des parties d'axes débordantes 93 et 94 ; l'aile horizontale de l'élément est destinée à solidariser l'organe de liaison 9 au couvercle 4 par le moyen d'un rivet 8 dont il est issu (figure 3ç) ou qui le traverse (figure 3a et b) permettant une rotation de 1 ' organe centrée sur le rivet 8.In accordance with particular embodiments shown in Figures 3, the axis 90 can be mounted on a deformable connecting piece 91, for example a metal identical to that of the cover, as shown in Figure 3a-left, that is ie on the opposite side of one frangible shutter 6 with respect to the rivet 8 or vice versa on the same side as shown in FIG. 3b-left, or else be directly coming from the rivet 8 by virtue of a vertical projection 92, FIG. 3c; the connecting member 9 consists of a deformable element advantageously made of metal similar to that of the cover 4, having the general shape of an L whose vertical wing 91 of rectangular shape horizontally supports the axis 90 by its longitudinal edge the length of which is shorter than that of the axis 90 to create on either side of the wing 91 parts of protruding axes 93 and 94; the horizontal wing of the element is intended to secure the connecting member 9 to the cover 4 by means of a rivet 8 from which it comes (Figure 3c) or which passes through (Figure 3a and b) allowing rotation of the member centered on the rivet 8.
Naturellement, on préférera l'une ou l'autre de ces exécutions ou leurs équivalents en fonction de critères de fabrication dans l'économie générale du dispositif de 1 ' inventio .Naturally, one or the other of these executions or their equivalents will be preferred according to manufacturing criteria in the general economy of the device of the inventio.
Selon une première variante mettant en oeuvre le procédé conforme à l'invention, et en référence aux demi- vues de droite des figures 1 et 2 , et à la figure 4 , l'étui 1 en forme générale de secteur angulaire (sans que cette forme ne soit d'ailleurs obligatoire) est préférentiellement obtenu par injection d'une matière plastique à 1 ' intérieur d ' un moule prévu pour produire à grande cadence. Chaque étui 1 comporte une face supérieure 11 et une face inférieure 12 destinée à venir en appui sur le couvercle 4, les deux faces étant réunies par des parois latérales 13 et 14 sensiblement verticales aptes à former entre-elles un volume pour recevoir des organes complémentaires susceptibles de coopérer étroitement avec l'axe 90 et sa liaison au couvercle 4, pour former un dispositif permettant l'ouverture et le rebouchage ultérieur de 1 ' obturateur frangible 6.According to a first variant implementing the method according to the invention, and with reference to the right half-views of FIGS. 1 and 2, and in FIG. 4, the case 1 in the general form of an angular sector (without this form is also mandatory) is preferably obtained by injecting a plastic material inside a mold intended to produce at high speed. Each case 1 has one side upper 11 and a lower face 12 intended to come to bear on the cover 4, the two faces being joined by substantially vertical side walls 13 and 14 capable of forming a volume therebetween for receiving complementary members capable of cooperating closely with the axis 90 and its connection to the cover 4, to form a device allowing the opening and subsequent filling of the frangible shutter 6.
A cet effet, et conformément à cette première variante économique de l'étui 1, il est prévu un puits de capture 10 issu de la face inférieure 12 de l'étui 1, pour se prolonger verticalement dans la masse de l'étui symétriquement de part et d ' autre de son plan de symétrie longitudinal, pour former un réceptacle longitudinal d'axe perpendiculaire à l'axe de symétrie longitudinal de l'étui 1 coïncidant sensiblement avec un rayon du couvercle 4 ; un tel puits 10 est susceptible d'accueillir librement mais avec un jeu minimum, l'axe 90 qui peut ainsi s'y encastrer progressivement au fur et à mesure que l'on approche l'étui 1 de la surface du couvercle 4 par un mouvement de translation vertical tel que représenté par la flèche A de la figure 4.To this end, and in accordance with this first economic variant of the case 1, there is provided a capture well 10 coming from the lower face 12 of the case 1, to extend vertically in the mass of the case symmetrically of on either side of its longitudinal plane of symmetry, to form a longitudinal receptacle with an axis perpendicular to the longitudinal axis of symmetry of the case 1 substantially coinciding with a radius of the cover 4; such a well 10 is capable of receiving freely but with a minimum clearance, the axis 90 which can thus be gradually embedded therein as the case 1 is approached from the surface of the cover 4 by a vertical translational movement as shown by arrow A in Figure 4.
Conformément aux dessins, notamment de la figure 4, le puits de capture 10 présente selon une première exécution une zone d'entrée 101 dont la section verticale dans le plan de symétrie longitudinal est avantageusement triangulaire évasée vers le bas et se rétrécissant verticalement jusqu'à un étranglement 15 surmonté par une cavité 102 de section circulaire apte à recevoir l'axe 90 de l'organe de liaison 9 lorsque l'étui est au contact du couvercle ; il va de soi que la section de passage de l'étranglement 15 est plus faible que le diamètre de l'axe 90 de manière à le retenir dans la cavité 102, après un passage en force dans l'étranglement au moment du clippage.In accordance with the drawings, in particular in FIG. 4, the capture well 10 has, according to a first embodiment, an entry zone 101 whose vertical section in the longitudinal plane of symmetry is advantageously triangular flared downwards and narrowing vertically to a throttle 15 surmounted by a cavity 102 of circular section capable of receiving the axis 90 of the connecting member 9 when the case is in contact with the cover; it goes without saying that the passage section of the constriction 15 is smaller than the diameter of the axis 90 so as to retain it in the cavity 102, after a passage in force through the constriction at the time of clipping.
Selon une autre exécution détaillée sur le deuxième arraché de la figure 4, le puits 10 présente une zone d'entrée 101 à parois verticales parallèles ou avantageusement inclinées de bas en haut ; chaque paroi est munie au niveau de la ligne de fixation de l'axe 90 sur sa pièce de liaison 91,92 d'au moins une languette flexible 103,104 s 'étendant sensiblement horizontalement vers l'autre paroi où elle peut, le cas échéant, s'appuyer verticalement après avoir été sollicitée de bas en haut par l'axe 90 au moment de sa pénétration dans la cavité 102, lors du montage ; les languettes 103 et 104 sont dimensionnées pour venir contre la ligne de fixation de l'axe 90 sur son support, et/ou sous les parties débordantes 93,94 de l'axe 90 et en appui sur la paroi en regard, pour constituer autant d'éléments de retenue verticale de l'axe 90 dans la masse de l'étui 1.According to another detailed execution on the second cutaway in FIG. 4, the well 10 has an entry zone 101 with parallel vertical walls or advantageously inclined from bottom to top; each wall is provided at the axis of attachment of the axis 90 on its connecting piece 91, 92 with at least one flexible tongue 103, 104 extending substantially horizontally towards the other wall where it can, if necessary, lean vertically after being stressed from bottom to top by the axis 90 at the time of its penetration into the cavity 102, during assembly; the tongues 103 and 104 are dimensioned to come against the fixing line of the axis 90 on its support, and / or under the protruding parts 93, 94 of the axis 90 and resting on the facing wall, to constitute as much of vertical retaining elements of the axis 90 in the mass of the case 1.
L'étui 1 conformément à cette première variante comporte en outre à l'une de ses extrémités, un appendice 16 constituant un bord d'attaque renforcé pour agir, comme il sera développé plus loin, sur l'obturateur frangible 6 qui se déchire suivant une ligne de moindre résistance pour former une ouverture définitive 7. A l'autre extrémité de l'étui 1, on prévoit des moyens de liaison de l'étui sur l'ourlet de sertissage 5 ; de tels moyens sont par exemple décrits dans le brevet européen EP-0.558.422 déjà cité. On notera d'ailleurs que ces moyens de liaison 17 permettent notamment d'utiliser l'ourlet de sertissage 5 du couvercle 4 sur la boîte 2 comme rail pour guider circulairement l'étui 1 lorsque celui-ci est utilisé pour le rebouchage de l'ouverture 7 obtenu par rotation dudit étui 1 autour du rivet 8 amenant sa face inférieure 12 au droit de l'ouverture 7 pour l'obturer ; avantageusement, la face inférieure 12 de l'étui 1 est munie d'un renflement 18 dont la forme est sensiblement identique à la forme générale de l'ouverture 7 et l'épaisseur suffisante pour venir s'y encastrer juste et améliorer le rebouchage ; bien entendu et comme exposé dans le brevet européen, les moyens de liaison 17 coopérant avec l'ourlet de sertissage 5 viennent parfaire la compression de la zone de renflement 18 à l'intérieur de l'ouverture 7. Il est à noter que l'entrée du puits de capture 10 est disposée sur la face inférieure 12 de l'étui à une distance de 1 ' extrémité comportant les moyens de liaison 17 telle que lorsqu'ils sont sur l'ourlet 5, l'organe 9 s'encastre exactement dans le puits 10.The case 1 according to this first variant further comprises at one of its ends, an appendage 16 constituting a reinforced leading edge to act, as will be developed later, on the frangible shutter 6 which tears according to a line of least resistance to form a final opening 7. At the other end of the case 1, means are provided for connecting the case to the crimping hem 5; such means are for example described in the European patent EP-0.558.422 already cited. It will also be noted that these connecting means 17 make it possible in particular to use the crimping hem 5 of the cover 4 on the box 2 as a rail for circularly guiding the case 1 when the latter is used for the filling of the opening 7 obtained by rotation of said case 1 around the rivet 8 bringing its lower face 12 to the right of the opening 7 to close it; advantageously, the lower face 12 of the case 1 is provided with a bulge 18 whose shape is substantially identical to the general shape of the opening 7 and the thickness sufficient to just fit into it and improve the filling; of course and as explained in the European patent, the connecting means 17 cooperating with the crimping hem 5 complete the compression of the bulge zone 18 inside the opening 7. It should be noted that the entrance to the capture well 10 is disposed on the underside 12 of the case at a distance from the end comprising the connecting means 17 such that when they are on the hem 5, l the member 9 fits exactly into the well 10.
Ainsi constituée, cette première variante d'exécution de l'étui 1 procure d'abord la fonction d'ouverture de la boîte à boisson par exemple livrée avec son étui 1 monté en usine après remplissage et sertissage du couvercle 4 sur la boîte 2 ; l'utilisateur doit alors dégager les moyens de liaison 17 de l'ourlet 5 afin d'entraîner l'étui 1 dans une rotation verticale autour de l'organe de liaison 9 solidaire du centre du couvercle 4 grâce au rivet 8. Dans ce mouvement de rotation vertical, le bord renforcé 16 vient en appui sur l'obturateur frangible 6 qu'il défonce par effet de levier sur l'organe 9. Une fois l'obturateur 6 enfoncé à l'intérieur de la boîte 2, il suffit de rebasculer dans une rotation inverse l'étui 1 pour venir suivant flèche B de la figure 4 clipper l'étui 1 sur l'ourlet 5 au moyen de ses organes de liaison 17, l'étui 1 étant alors en position pour être utilisé en rebouchage après consommation du liquide contenu à 1 ' intérieur de la boîte 2 ; pour cela il suffira d'effectuer une rotation de 180° le long de l'ourlet 5 servant de guidage circulaire pour amener la zone de renflement 18 au droit de l'ouverture 7 et constituer un bouchage relativement efficace comme il a été dit précédemment.Thus constituted, this first alternative embodiment of the case 1 firstly provides the function of opening the beverage can, for example delivered with its case 1 factory fitted after filling and crimping the cover 4 on the box 2; the user must then release the connecting means 17 from the hem 5 in order to drive the case 1 in a vertical rotation around the connecting member 9 secured to the center of the cover 4 thanks to the rivet 8. In this movement of vertical rotation, the reinforced edge 16 comes to bear on the frangible shutter 6 which it smashes by leverage on the member 9. Once the shutter 6 pressed inside the box 2, it suffices to toggle back in a reverse rotation the case 1 to come along arrow B of FIG. 4 clip the case 1 on the hem 5 by means of its connecting members 17, the case 1 then being in position to be used for recapping after consumption of the liquid contained within the box 2; for this it will suffice to perform a rotation of 180 ° along the hem 5 serving as circular guide to bring the bulge area 18 to the right of the opening 7 and constitute a relatively effective closure as has been said previously.
En référence aux demi-vues de gauche des figures 1 et 2 et aux figures 5 à 10, il sera maintenant décrit une variante particulièrement efficace et préférée d'un étui amovible 1 mettant en oeuvre le procédé général conforme à 1' invention.With reference to the left half-views of FIGS. 1 and 2 and to FIGS. 5 to 10, a particularly effective and preferred variant of a removable case 1 will now be described implementing the general method according to the invention.
Dans sa structure générale 1 ' étui 1 conforme à cette deuxième variante est globalement identique a l'étui 1 de la variante précédente, sauf pour ce qui concerne la partie de liaison venant coopérer avec 1 ' organe de liaison 9 et plus spécialement avec l'axe 90 solidaire du couvercle 4 par le moyen d'un rivet central 8.In its general structure, the case 1 according to this second variant is generally identical to the case 1 of the previous variant, except for the connection part which cooperates with the body connection 9 and more especially with the axis 90 secured to the cover 4 by means of a central rivet 8.
Conformément aux vues de gauche des figures 1 et 2 montrant la partie ventrale de l'étui 1 et sa section au niveau du dispositif de liaison (figure 2), l'étui 1 est muni d'un puits de capture 20 disposé perpendiculairement à son axe longitudinal, mais placé sensiblement au centre de l'étui 1 entre ses deux extrémités 16 et 17 servant respectivement de bord d'attaque 16 pour détacher l'opercule frangible 6 et de moyen de clippage 17 sur l'ourlet de sertissage 5 comme il a été dit dans la variante précédente.In accordance with the views on the left of FIGS. 1 and 2 showing the ventral part of the case 1 and its section at the level of the connection device (FIG. 2), the case 1 is provided with a capture well 20 arranged perpendicular to its longitudinal axis, but placed substantially in the center of the case 1 between its two ends 16 and 17 serving respectively as a leading edge 16 for detaching the frangible cover 6 and clipping means 17 on the crimping hem 5 as it was said in the previous variant.
Selon une exécution préférée, le puits 20, permettant l'encastrement vertical de l'axe 90 lors du rapprochement de l'étui 1 vers le couvercle 4, est associé à un canal de translation 21 débouchant sur le puits 20 et s 'étendant dans un plan horizontal ou incliné en direction du bord renforcé 16 sur une distance telle que l'axe 90, pénétrant dans le puits 20 et empruntant le canal de translation 21 par un recul de l'étui en direction de l'ourlet de sertissage dans un plan sensiblement parallèle au plan du couvercle et suivant une radiale de celui-ci, soit en butée avant du canal de translation, lorsque les moyens de liaison arrière 17 sont en position pour se clipper sur l'ourlet de sertissage 5. On observera d'ailleurs que l'extrémité avant du canal de translation 21 dans cette variante, coïncide exactement avec la position du puits de capture 10 dans la première variante, ce que montrent bien les deux demi-vues de la figure 1.According to a preferred embodiment, the well 20, allowing the vertical embedding of the axis 90 when bringing the case 1 towards the cover 4, is associated with a translation channel 21 opening onto the well 20 and extending in a horizontal or inclined plane in the direction of the reinforced edge 16 over a distance such as the axis 90, penetrating into the well 20 and passing through the translation channel 21 by a retraction of the case in the direction of the crimping hem in a plane substantially parallel to the plane of the cover and along a radial of the latter, that is to say in front of the translation channel, when the rear connection means 17 are in position to clip onto the crimping hem 5. We will observe besides the front end of the translation channel 21 in this variant, exactly coincides with the position of the capture well 10 in the first variant, which is clearly shown by the two half-views of FIG. 1.
Naturellement, le canal de translation 21 assurant le mouvement radial de 1 ' étui 1 après son montage sur l'organe 9 doit être tel qu'une fois engagé, l'axe 90 ne puisse plus s'échapper dudit canal et solidarise verticalement l'étui 1 au couvercle 4. Pour cela il est prévu sur chaque flan 24 délimitant verticalement le canal 21, une rainure 22 élargissant latéralement le fond 23 du canal 21 sur une hauteur équivalente ou légèrement supérieure au diamètre de l'axe 90, donnant au canal 21, une section verticale transverse en forme de T.Naturally, the translation channel 21 ensuring the radial movement of the case 1 after it has been mounted on the member 9 must be such that once engaged, the axis 90 can no longer escape from said channel and vertically secures the case 1 with the cover 4. For this, there is provided on each blank 24 vertically delimiting the channel 21, a groove 22 laterally widening the bottom 23 of the channel 21 to an equivalent height or slightly greater than the diameter of the axis 90, giving the channel 21 a vertical T-shaped transverse section.
La profondeur des rainures 22 est choisie pour encastrer juste les parties débordantes 93 et 94 (figures 3) de l'axe 90 par rapport à la pièce de liaison 91 de l'axe 90. Avantageusement, la distance séparant les deux flans verticaux 24 du canal de translation 21 correspond à la largeur de ladite pièce de liaison 91. Enfin il est clair que les rainures 22 débouchent en fond du puits de capture 20, ce qui permet à l'axe 90 après son déplacement vertical au moment de 1 ' encastrement de l'étui 1 sur le couvercle 4, d'entrer dans les rainures latérales 22 pour permettre une translation radiale à l'étui en direction de l'ourlet le sertissage 5 sur lequel il sera ultérieurement clippé, comme il sera expliqué dans les lignes qui suivent en référence aux figures 5 à 10.The depth of the grooves 22 is chosen to just embed the protruding parts 93 and 94 (Figures 3) of the axis 90 relative to the connecting piece 91 of the axis 90. Advantageously, the distance separating the two vertical blanks 24 of the translation channel 21 corresponds to the width of said connecting piece 91. Finally, it is clear that the grooves 22 open at the bottom of the capture well 20, which allows the axis 90 after its vertical displacement at the time of embedding from the case 1 on the cover 4, to enter the lateral grooves 22 to allow a radial translation to the case in the direction of the hem, the crimping 5 onto which it will be later clipped, as will be explained in the lines which follow with reference to Figures 5 to 10.
Il va de soit que, à l'instar de la première variante, le puits de capture 20 peut être perfectionné par exemple en lui donnant une entrée évasée allant en s 'amenuisant jusqu'à un étranglement longitudinal, analogue à l'étranglement 15 du puits 10, au dessus duquel on débouche dans le canal de translation 21 tel que décrit avant . L'avantage de cette exécution est de pouvoir clipper l'étui (1) au centre du couvercle (4) avant remplissage et sertissage sur la boîte (2), en une seule opération de pose verticale.It goes without saying that, like the first variant, the capture well 20 can be improved, for example by giving it a flared entry which tapers to a longitudinal constriction, similar to the constriction 15 of the well 10, above which one opens into the translation channel 21 as described before. The advantage of this execution is to be able to clip the case (1) in the center of the cover (4) before filling and crimping on the box (2), in a single vertical installation operation.
La boîte 2 telle que représentée partiellement et schématiquement en figure 5 est préparée avec un couvercle 4 muni d'un obturateur frangible 6 (figuré en trait plein sur toutes les figures), serti sur la boîte 2 après son remplissage, ce qui procure un ourlet périphérique 5 en surélévation par rapport à la face du couvercle 4. L'étui 1 conformé selon la seconde variante d'exécution, est présenté verticalement suivant flèche Ç sur le couvercle 4 de telle manière que le puits de capture 20 vienne au droit de l'axe 90 horizontalement disposé à proximité du centre du couvercle 4 selon 1 ' une quelconque des variantes détaillées aux figures 3.The box 2 as partially and schematically shown in FIG. 5 is prepared with a cover 4 provided with a frangible shutter 6 (shown in solid lines in all the figures), crimped on the box 2 after filling, which provides a hem peripheral 5 in elevation relative to the face of the cover 4. The case 1 shaped according to the second variant, is presented vertically along arrow Ç on the cover 4 so that the capture well 20 comes in line with the 'axis 90 horizontally arranged near the center of the cover 4 according to one of any of the variants detailed in FIGS. 3.
Selon cette première approche verticale, la face inférieure 12 et plus spécifiquement le renflement 18 de l'étui 1 se retrouve en appui sur le couvercle 4 de telle sorte qu ' il soit entièrement compris dans 1 ' aire délimitée par 1 ' ourlet périphérique 5 conformément à la figure 6 ; à cet instant, l'organe de liaison 9 est entièrement implanté dans le puits de capture 20 assurant le maintien nécessaire de l'étui sur la boîte à boisson 2 qui peut ainsi être empilée, stockée et expédiée de toute manière déjà connue. A noter d'ailleurs que l'étui 1 peut être monté sur l'organe de liaison 9 avant le sertissage du couvercle 4, c'est-à-dire avant remplissage, sans gêner pour autant l'opération de sertissage ultérieur.According to this first vertical approach, the lower face 12 and more specifically the bulge 18 of the case 1 is found in abutment on the cover 4 so that it is entirely included in the area delimited by the peripheral hem 5 in accordance in Figure 6; at this time, the connecting member 9 is fully implanted in the capture well 20 ensuring the necessary maintenance of the case on the beverage can 2 which can thus be stacked, stored and shipped in any manner already known. Note also that the case 1 can be mounted on the connecting member 9 before the crimping of the cover 4, that is to say before filling, without interfering with the subsequent crimping operation.
Conformément à la figure 7 , lorsque 1 ' on veut consommer le liquide contenu dans la boîte 2 il convient alors de détacher l'opercule 6 en utilisant bien entendu l'étui 1 conformément au procédé de l'invention. Selon les figures 7 et 8, pour l'ouverture de la boîte 2, l'opérateur devra saisir l'extrémité de l'étui 1 la plus proche de 1 ' ourlet 5 , la soulever légèrement pour échapper la surélévation dudit ourlet 5 et imprimer une translation dans le sens de la flèche D, figure 7. Cette translation D aura pour effet de déplacer radialement l'axe 90 le long du canal de translation 21, l'élément de liaison 91,92 de l'axe 90 coulissant entre les deux flans latéraux 24 dudit canal de translation, et les parties débordantes 93,94 de l'axe 90 empruntant les deux rainures latérales 22 débouchant, comme on l'a vu au fond du puits de capture 20 et s 'étendant jusqu'à l'avant du canal de translation 21 où vient en buter l'axe 90 et vient ainsi solidariser l'étui 1 au couvercle 4 ; le seul mouvement possible est alors un mouvement de rotation dans le sens de la flèche E de la figure 8 ; lorsque cette rotation est prolongée verticalement, le bord d'attaque renforcé 16 de l'étui 1 vient alors au contact de la zone frangible de l'obturateur 6 et par effet de levier autour de l'organe deformable 9 maintenu par le rivet 8, l'obturateur 6 est repoussé à l'intérieur de la boîte conformément à la flèche F de la figure 8. Bien entendu, l'obturateur 6 ainsi repoussé reste en cette position et procure l'ouverture 7 pour la consommation du liquide. Pour mieux dégager l'ouverture 7, l'étui 1, conformément à la figure 9, est ensuite repoussé par une rotation inverse suivant la flèche G de la figure 9 et clippé sur l'ourlet 5 au moyen des organes de liaison 17 comme décrit plus haut. On observera que ce clippage sur l'ourlet 5 s'impose puisqu'à défaut l'étui 1 resterait en position inclinée tenant à la déformation de la pièce de liaison 91,92 sollicitée dans le mouvement de la figure 8 au moment de l'ouverture de l'obturateur. Enfin et utilisant alors l'ourlet 5 comme rail de guidage, l'utilisateur qui souhaite reboucher momentanément la boîte 2 pour une consommation ultérieure, pourra amener par une simple rotation horizontale autour du rivet 8 selon la flèche R de la figure 10, l'étui 1 au droit de l'ouverture 7 dans laquelle le renflement 18 viendra s ' encastrer procurant un rebouchage pratiquement étanche ne dépendant finalement que de la compression de l'étui sur 1 ' ouverture 7.In accordance with Figure 7, when one wants to consume the liquid contained in the box 2 then it is necessary to detach the cover 6 of course using the case 1 according to the method of the invention. According to Figures 7 and 8, for the opening of the box 2, the operator must grasp the end of the case 1 closest to the hem 5, lift it slightly to escape the raised height of said hem 5 and print a translation in the direction of arrow D, FIG. 7. This translation D will have the effect of displacing the axis 90 radially along the translation channel 21, the connecting element 91, 92 of the axis 90 sliding between the two lateral blanks 24 of said translation channel, and the projecting parts 93, 94 of the axis 90 passing through the two lateral grooves 22 emerging, as we have seen at the bottom of the capture well 20 and extending up to l 'before the translation channel 21 which abuts the axis 90 and thus secures the case 1 to the cover 4; the only possible movement is then a rotational movement in the direction of arrow E in FIG. 8; when this rotation is extended vertically, the reinforced leading edge 16 of the case 1 then comes into contact with the frangible zone of the shutter 6 and by leverage around the member deformable 9 held by the rivet 8, the shutter 6 is pushed back inside the box in accordance with the arrow F in FIG. 8. Of course, the shutter 6 thus pushed back remains in this position and provides the opening 7 for liquid consumption. To better clear the opening 7, the case 1, in accordance with FIG. 9, is then pushed back by a reverse rotation according to the arrow G in FIG. 9 and clipped onto the hem 5 by means of the connecting members 17 as described upper. It will be observed that this clipping on the hem 5 is essential since, failing this, the case 1 would remain in the inclined position due to the deformation of the connecting piece 91.92 urged in the movement of FIG. 8 at the time of the shutter opening. Finally and then using the hem 5 as guide rail, the user who wishes to temporarily close the box 2 for later consumption, can bring by a simple horizontal rotation around the rivet 8 according to the arrow R of FIG. 10, the case 1 to the right of the opening 7 in which the bulge 18 will be fitted, providing a practically sealed filling, depending ultimately only on the compression of the case on the opening 7.
Selon une dernière caractéristique de l'invention, il est possible d'augmenter la compression du rebouchage ; a cet effet, le fond 23 du canal de translation 21 peut présenter une inclinaison par rapport au fond plat du renflement 18. L'inclinaison du canal de translation résulte d'une pente donnée au fond 23 depuis le puits de capture 20 vers le centre du couvercle, c'est-à-dire vers l'axe 90. De cette façon, au fur et à mesure que l'étui (1) est translaté vers l'ourlet périphérique 5 tel qu'indiqué par la flèche D en figure 7, il subit progressivement un serrage entre sa face d'appui et la face supérieure du couvercle 4 de sorte qu'au moment du rebouchage (figure 10) on augmente sensiblement la pression de l'étui 1 sur l'ouverture 7, du moins lorsque celui-ci est clippé sur l'ourlet 5. Il est bien évident que toutes combinaisons différentes des variantes d'exécution telles que décrites ci-avant utilisant par exemple les diverses formes d'organes de liaison liées au couvercle ou à l'étui, ou d'autres solutions équivalentes non décrites, ne sortiraient pas de 1 ' invention pour autant que la nouvelle variante mette en oeuvre le procédé conforme à 1 ' invention ; ce serait notamment le cas où 1 ' on remplacerait l'axe 90 par une sphère attachée au rivet 8 coopérant avec un puits de capture et, le cas échéant, un canal de translation par exemple tubulaire. According to a last characteristic of the invention, it is possible to increase the compression of the filling; for this purpose, the bottom 23 of the translation channel 21 may have an inclination relative to the flat bottom of the bulge 18. The inclination of the translation channel results from a slope given to the bottom 23 from the capture well 20 towards the center of the cover, that is to say towards the axis 90. In this way, as the case (1) is translated towards the peripheral hem 5 as indicated by the arrow D in the figure 7, it is progressively tightened between its bearing face and the upper face of the cover 4 so that at the time of filling (FIG. 10) the pressure of the case 1 on the opening 7 is substantially increased, at least when it is clipped onto hem 5. It is obvious that all different combinations of the variant embodiments as described above using for example the various forms of connecting members linked to the cover or to the case, or other equivalent solutions not described, would not come out not the invention as far as the new variant implements the process according to the invention; this would be particularly the case where one would replace the axis 90 by a sphere attached to the rivet 8 cooperating with a capture well and, if necessary, a translation channel, for example tubular.

Claims

REVENDICATIONS
1 - Procédé d' ouverture et de rebouchage d ' un récipient du type boîte à boisson (2) formée d'un corps cylindrique (3) normalement métallique sur lequel est serti un couvercle (4) pourvu d'un obturateur frangible ( 6 ) qui peut être déchiré selon une ligne de moindre résistance exécutée à cet effet, et partiellement repoussé à l'intérieur de la boîte (2) au moyen d'une languette de tirage maintenue à plat au centre du couvercle (4) par un rivet (8) de telle manière que par relevage d'une extrémité de ladite languette, l'autre extrémité pivotant en levier sur le rivet ( 8 ) vienne détacher partiellement ledit obturateur frangible ( 6 ) pour procurer une ouverture (7) ultérieurement rebouchée par un étui amovible ( 1 ) que 1 ' on adapte sur ou autour de la languette de tirage et que 1 ' on pivote autour du rivet ( 8 ) pour l'amener au dessus de l'ouverture (7) et la coiffer, ledit étui (1) comportant des moyens (17) connus pour se clipper sur l'ourlet périphérique de sertissage (5) du couvercle (4) sur le corps (3) de le boîte (2), servant accessoirement de rail extérieur dans ses déplacements circulaires, caractérisé en ce qu'on supprime la languette de préhension ou de tirage au moment de la fabrication du couvercle (4) et avant son sertissage sur la boîte cylindrique ( 3 ) , pour la remplacer par un organe de liaison (9) susceptible de solidariser un étui amovible (1) au couvercle (4) de la boîte tout en lui laissant au moins un degré de liberté pour effectuer un mouvement de rotation dans le plan vertical afin que ledit étui (1) soulevé par son extrémité (17) proche de l'ourlet périphérique (5) de sertissage, puisse pivoter autour de l'organe de liaison (9), en levier sur le rivet central (8) et ainsi enfoncer l'obturateur frangible (6) au moyen de l'autre extrémité munie à cet effet d'un bord d'attaque renforcé (16).1 - Method for opening and filling a container of the beverage can type (2) formed of a cylindrical body (3) normally metallic on which is crimped a cover (4) provided with a frangible shutter (6) which can be torn along a line of least resistance executed for this purpose, and partially pushed back inside the box (2) by means of a pull tab held flat in the center of the cover (4) by a rivet ( 8) in such a way that by lifting one end of said tab, the other end pivoting as a lever on the rivet (8) partially detaches said frangible shutter (6) to provide an opening (7) subsequently recapped with a case removable (1) which is fitted on or around the pull tab and which is pivoted around the rivet (8) to bring it above the opening (7) and cover it, said case (1 ) comprising means (17) known for clipping onto the perimeter hem crimping spherical (5) of the cover (4) on the body (3) of the box (2), incidentally serving as an outer rail in its circular movements, characterized in that the gripping or pulling tab is removed at the time of the manufacture of the cover (4) and before it is crimped onto the cylindrical box (3), to replace it with a connecting member (9) capable of securing a removable case (1) to the cover (4) of the box while leaving it at least one degree of freedom to perform a rotation movement in the vertical plane so that said case (1) lifted by its end (17) close to the peripheral hem (5) of crimping, can pivot around the connecting member (9), lever on the central rivet (8) and thus push the frangible shutter (6) by means of the other end provided for this purpose with a reinforced leading edge (16).
2 - Procédé selon la revendication 1 caractérisé en ce que l'étui (1) est solidarisé au couvercle (4) par une pression verticale sur l'organe de liaison (9) conformé pour se clipper dans un puits de capture (10) de l'étui (1) disposé pour que d'une part le bord d'attaque (16) dudit étui (1) soit au droit de l'obturateur frangible (6) et d'autre part la partie arrière du même étui ( 1 ) soit au droit de 1 ' ourlet de sertissage (5) afin de constituer dans un premier temps l'élément de tirage pour défoncer l'obturateur frangible (6) et, le cas échéant, constituer dans un deuxième temps, l'élément de rebouchage par pivotement horizontal de 180° de l'étui (1) autour du rivet (8).2 - Method according to claim 1 characterized in that the case (1) is secured to the cover (4) by vertical pressure on the connecting member (9) shaped to clip into a capture well (10) of the case (1) arranged so that on the one hand the leading edge (16) of said case (1) is in line with the frangible shutter (6) and on the other hand, the rear part of the same case (1) is in line with the crimping hem (5) in order to initially constitute the pulling element for smashing the frangible shutter (6) and, if necessary if necessary, constitute in a second step, the filling element by horizontal pivoting of 180 ° of the case (1) around the rivet (8).
3 - Procédé selon la revendication 1 caractérisé en ce que l'étui (1) est solidarisé au couvercle (4) d'abord par une pression verticale sur l'organe de liaison (9) qui vient s'encastrer dans un puits de capture (20) de l'étui (1), ensuite par une translation radiale dans le plan horizontal parallèlement au couvercle (4), ladite translation amenant le bord d'attaque (16) de l'étui (1) au droit de l'obturateur (6) et la partie arrière (17) de l'étui (1) à proximité de l'ourlet (5) afin de constituer dans un premier temps l'élément de tirage pour défoncer l'obturateur frangible (6) et, le cas échéant, constituer dans un deuxième temps, l'élément de rebouchage par pivotement horizontal de 180° de l'étui (1) autour du rivet ( 8 ) . 4 - Procédé selon la revendication 3 caractérisé en ce que l'étui (1), tout en restant solidaire du couvercle (4), peut être translaté radialement dans le plan du couvercle (4) depuis une position "avant ouverture" telle que l'étui (1) reste entièrement enfermé à l'intérieur de l'espace délimité par l'ourlet périphérique (5), jusqu'à une position "après ouverture" dans laquelle les moyens de clippage (17) prévus à l'arrière de l'étui (1) viennent se clipper sur l'ourlet (5) servant de guide circulaire pour l'étui (1) dans un mouvement de rotation autour du rivet central (8) pour venir se superposer sur l'ouverture (7) et ainsi 1 'obturer. 5 - Dispositif d'ouverture et de rebouchage d'un récipient du type boîte à boisson (2) formé de façon connue d'un corps cylindrique (3) par exemple en métal embouti, sur lequel est serti un couvercle (4) pourvu d'un obturateur frangible ( 6 ) qui peut être déchiré selon une ligne de moindre résistance exécutée à cet effet, par des moyens solidaires du couvercle (4) pour former une ouverture ( 7 ) qui pourra être ultérieurement rebouchée par un étui amovible (1) venant la recouvrir en se clippant sur l'ourlet de sertissage (5) du couvercle (4) sur la boîte (2), par des moyens de liaison (17) connus par ailleurs, dispositif mettant en oeuvre l'un des procédés conformes à 1 ' une quelconque des revendications 1 à 4 caractérisé en ce que les moyens pour déchirer l'obturateur (6) sont constitués par l'étui (1) muni à cet effet, à l'avant, d'un bord d'attaque renforcé (16) et d'un organe de liaison (9) dudit étui (1) au couvercle (4), la liaison entre l'étui (1) et le couvercle (4) étant obtenue par la coopération d'un axe horizontal (90) fixé à proximité du centre du couvercle (4) et un peu au dessus de celui-ci, par un élément de liaison (91,92) deformable qui est riveté au centre dudit couvercle (4) et d'au moins un encastrement (10,20) prévu dans la masse de l'étui (1) muni de moyens (15,22) aptes à recevoir l'axe (90) et le retenir.3 - Method according to claim 1 characterized in that the case (1) is secured to the cover (4) first by a vertical pressure on the connecting member (9) which comes to be embedded in a capture well (20) of the case (1), then by a radial translation in the horizontal plane parallel to the cover (4), said translation bringing the leading edge (16) of the case (1) to the right of the shutter (6) and the rear part (17) of the case (1) near the hem (5) in order to constitute, in a first step, the pulling element to break down the frangible shutter (6) and, if necessary, constitute in a second step, the filling element by horizontal pivoting of 180 ° of the case (1) around the rivet (8). 4 - Method according to claim 3 characterized in that the case (1), while remaining integral with the cover (4), can be translated radially in the plane of the cover (4) from a position "before opening" such that l case (1) remains fully enclosed within the space delimited by the peripheral hem (5), to a position "after opening" in which the clipping means (17) provided at the rear of the case (1) clip onto the hem (5) serving as a circular guide for the case (1) in a rotational movement around the central rivet (8) so as to be superimposed on the opening (7) and thus seal it. 5 - Device for opening and filling a container of the beverage can type (2) formed in a known manner of a cylindrical body (3), for example of stamped metal, on which a cover (4) provided with '' a frangible shutter (6) which can be torn along a line of least resistance executed for this purpose, by means integral with the cover (4) to form an opening (7) which can be subsequently filled with a removable case (1) from covering it by clipping onto the crimping hem (5) of the cover (4) on the box (2), by connecting means (17) known elsewhere, device implementing one of the methods in accordance with 1 'any one of claims 1 to 4 characterized in that the means for tearing the shutter (6) consist of the case (1) provided for this purpose, at the front, with a reinforced leading edge (16) and a connecting member (9) of said case (1) to the cover (4), the connection between the case ( 1) and the cover (4) being obtained by the cooperation of a horizontal axis (90) fixed near the center of the cover (4) and a little above it, by a connecting element (91,92 ) deformable which is riveted to the center of said cover (4) and at least one recess (10,20) provided in the mass of the case (1) provided with means (15,22) capable of receiving the axis ( 90) and retain it.
6 - Dispositif selon la revendication 5 caractérisé en ce que l'encastrement est un puits de capture (10), dont 1 ' axe longitudinal est perpendiculaire à 1 ' axe de symétrie longitudinal de l'étui (1) coïncidant avec un rayon du couvercle ( 4 ) , s ' étendant verticalement et symétriquement de part et d ' autre du plan de symétrie longitudinal de 1 ' étui ( 1 ) depuis son entrée sur la face inférieure (12) de l'étui (1) et disposé à bonne distance de telle manière que lorsque les moyens de liaison (17) sont engagés sur l'ourlet de sertissage (5), l'organe de liaison (9) coïncide avec le puits (10) et en ce qu'on prévoit au fond du puits (10) des moyens de retenue verticale (15) de l'organe (9) assurant une solidarisation de l'étui (1) au couvercle (5).6 - Device according to claim 5 characterized in that the embedding is a capture well (10), the longitudinal axis of which is perpendicular to the longitudinal axis of symmetry of the case (1) coinciding with a radius of the cover (4), extending vertically and symmetrically on either side of the longitudinal plane of symmetry of the case (1) from its entry on the underside (12) of the case (1) and disposed at a good distance in such a way that when the connecting means (17) are engaged on the crimping hem (5), the connecting member (9) coincides with the well (10) and in that there is provision at the bottom of the well (10) retaining means vertical (15) of the member (9) ensuring the attachment of the case (1) to the cover (5).
7 - Dispositif selon la revendication 6 caractérisé en ce que le puits de capture (10) présente une zone d'entrée (101) dont la section verticale dans le plan de symétrie verticale de l'étui (1) est triangulaire, c'est- à-dire évasée vers le bas et se rétrécissant vers le haut jusqu'à un étranglement (15) surmonté par une cavité (102) de section circulaire apte à recevoir l'axe (90) de l'organe de liaison (9) lorsque l'étui est au contact du couvercle, la section de passage de l'étranglement (15) étant plus faible que le diamètre de l'axe (90) de manière à le retenir dans la cavité (102) après un passage en force dans l'étranglement (15) au moment du clippage. 8 - Dispositif selon la revendication 6 caractérisé en ce que le puits (10) présente une zone d'entrée (101) à parois verticales, parallèles ou avantageusement inclinées de bas en haut, chaque paroi étant munie au niveau de la ligne de fixation de l'axe (90) sur sa pièce de liaison (91,92) d'au moins une languette flexible (103,104) s ' étendant sensiblement horizontalement vers l'autre paroi où elle peut, le cas échéant, s'appuyer verticalement après avoir été sollicitée de bas en haut par l'axe 90 au moment de sa pénétration dans la cavité (102) lors du montage, les languettes flexibles (103 et 104) étant dimensionnées pour venir sous les parties débordantes (93,94) de l'axe (90) et en appui sur la paroi en regard.7 - Device according to claim 6 characterized in that the capture well (10) has an inlet area (101) whose vertical section in the vertical plane of symmetry of the case (1) is triangular, that is - ie flared downwards and narrowing upwards until a throttle (15) surmounted by a cavity (102) of circular section capable of receiving the axis (90) of the connecting member (9) when the case is in contact with the cover, the passage section of the constriction (15) being smaller than the diameter of the axis (90) so as to retain it in the cavity (102) after a force passage in the constriction (15) at the time of clipping. 8 - Device according to claim 6 characterized in that the well (10) has an inlet zone (101) with vertical walls, parallel or advantageously inclined from bottom to top, each wall being provided at the level of the fixing line of the axis (90) on its connecting piece (91,92) of at least one flexible tongue (103,104) extending substantially horizontally towards the other wall where it can, if necessary, be supported vertically after having been biased from bottom to top by the axis 90 at the time of its penetration into the cavity (102) during assembly, the flexible tabs (103 and 104) being dimensioned to come under the projecting parts (93, 94) of the axis (90) and resting on the facing wall.
9 - Dispositif selon la revendication 6 caractérisé en ce que le puits de capture (10) présente une zone d'entrée (101) dont les parois sont inclinées du bas vers le haut et munies au niveau de la ligne de solidarisation de l'axe (90) sur sa pièce de liaison (91,92) de languettes flexibles s 'étendant sensiblement horizontalement d'une paroi vers l'autre de telle sorte qu'après avoir été sollicitées de bas en haut par l'axe 90 au moment de sa pénétration dans la cavité (102) lors du montage, elles puissent venir contre la ligne de solidarisation de l'axe (90) sur son support pour constituer un élément anti-retour.9 - Device according to claim 6 characterized in that the capture well (10) has an inlet zone (101) whose walls are inclined from the bottom up and provided at the line of attachment of the axis (90) on its connecting piece (91, 92) of flexible tongues extending substantially horizontally from one wall towards the other so that after having been stressed from bottom to top by the axis 90 at the time of its penetration into the cavity (102) during assembly, they can come against the line of securing of the axis (90) on its support to constitute a non-return element.
10 - Dispositif selon la revendication 5 caractérisé en ce que l'encastrement prévu dans l'étui (1) est formé : - d'un puits de capture (20) de l'organe de liaison (9) sensiblement disposé au centre de l'étui (1), ledit puits (20) dont l'axe longitudinal est perpendiculaire à 1 ' axe de symétrie longitudinal de 1 ' étui coïncidant avec un rayon du couvercle (4), s 'étendant verticalement et symétriquement de part et d'autre du plan de symétrie longitudinal de 1 ' étui depuis la face inférieure (12) où il débouche sur une hauteur et selon des dimensions telles que lorsque ledit étui est au contact du couvercle (4) l'axe 90 soit totalement engagé dans la masse de l'étui, des moyens étant prévus pour le retenir verticalement, et10 - Device according to claim 5 characterized in that the recess provided in the case (1) is formed: - a capture well (20) of the connecting member (9) substantially disposed in the center of the 'case (1), said well (20) the longitudinal axis of which is perpendicular to the longitudinal axis of symmetry of the case coinciding with a radius of the cover (4), extending vertically and symmetrically on either side other from the longitudinal plane of symmetry of the case from the lower face (12) where it opens out to a height and according to dimensions such that when said case is in contact with the cover (4) the axis 90 is fully engaged in the mass of the case, means being provided for retaining it vertically, and
- d'un canal de translation (21) ouvert sur la face inférieure (12) de l'étui (1) et s 'étendant dans son axe longitudinal, vers l'avant de l'étui (1) depuis le puits (20) au fond duquel il débouche sur largeur égale à la longueur de l'élément de liaison (91,92) de l'axe (90), deux rainures latérales (22) venant élargir le fond (23) du canal (21) symétriquement par rapport à l'axe longitudinal de 1 ' étui pour coïncider totalement avec le fond du puits (20) dans lequel elles débouchent, la hauteur desdites rainures (22) étant égale au diamètre de 1 ' axe ( 9 ) et la profondeur prévue pour contenir les parties débordantes (93,94) dudit axe (90), la longueur du canal de translation (21) étant ajustée pour que lorsque l'axe (90) est en butée avant dans les rainures (22), les moyens de clippage (17) à l'arrière de l'étui (1) se situent au droit de l'ourlet de sertissage (5).- A translation channel (21) open on the underside (12) of the case (1) and extending in its longitudinal axis, towards the front of the case (1) from the well (20 ) at the bottom of which it opens onto a width equal to the length of the connecting element (91, 92) of the axis (90), two lateral grooves (22) extending the bottom (23) of the channel (21) symmetrically with respect to the longitudinal axis of the case to completely coincide with the bottom of the well (20) into which they open, the height of said grooves (22) being equal to the diameter of the axis (9) and the depth provided for contain the protruding parts (93, 94) of said axis (90), the length of the translation channel (21) being adjusted so that when the axis (90) is in front abutment in the grooves (22), the clipping means (17) behind the case (1) are located to the right of the crimp hem (5).
11 - Dispositif selon la revendication 10 caractérisé en ce que le puits de capture 20 présente une entrée évasée sur la face (12) de l'étui (1) s 'amenuisant de bas en haut jusqu'à un étranglement longitudinal au dessus duquel débouche le canal de translation (21), formant un élément de retenue verticale de l'axe 90 après encastrement dans le puits 20.11 - Device according to claim 10 characterized in that the capture well 20 has a flared inlet on the face (12) of the case (1) tapering from the bottom up to a longitudinal throttle above which opens the translation channel (21), forming a vertical retaining element of the axis 90 after embedding in the well 20.
12 - Dispositif selon l'une quelconque des revendications 10 ou 11 caractérisé en ce que le fond (23) du canal de translation (21) et des rainures (22) s'inclinent vers l'avant de l'étui (1) c'est-à-dire que la distance du fond du puits (20) à la face inférieure (12) de l'étui est plus grande que la distance du fond (23) du canal (21) à la même face (22) prise à l'autre extrémité du canal (21), l'inclinaison étant choisie en fonction de la compression de rebouchage souhaitée.12 - Device according to any one of claims 10 or 11 characterized in that the bottom (23) of the translation channel (21) and grooves (22) tilt towards the front of the case (1) c that is to say that the distance from the bottom of the well (20) to the underside (12) of the case is greater than the distance from the bottom (23) of the channel (21) to the same face (22) taken at the other end of the channel (21), the inclination being chosen as a function of the desired filling compression.
13 - Dispositif selon l'une quelconque des revendications 5 à 12 caractérisé en ce que la face inférieure (12) de l'étui (1) est munie d'un renflement (18) de forme légèrement supérieure à l'ouverture (7) du couvercle (4) lorsque l'obturateur (6) est enfoncé.13 - Device according to any one of claims 5 to 12 characterized in that the lower face (12) of the case (1) is provided with a bulge (18) of shape slightly greater than the opening (7) of the cover (4) when the shutter (6) is pressed.
14 - Dispositif selon l'une quelconque des revendications 5 à 13 caractérisé en ce que l'élément de liaison (9) supportant l'axe (90) est constitué soit d'un élément (91) en L dont l'aile verticale supporte l'axe horizontal (90) solidarisé par son aile horizontale au centre du couvercle (4) par un rivet (8) autour duquel l'axe (90) peut pivoter, soit d'une patte (92) directement issue d'un rivet (8) placé au centre du couvercle (4). 14 - Device according to any one of claims 5 to 13 characterized in that the connecting element (9) supporting the axis (90) consists of either an element (91) in L whose vertical wing supports the horizontal axis (90) secured by its horizontal wing in the center of the cover (4) by a rivet (8) around which the axis (90) can pivot, or by a tab (92) directly from a rivet (8) placed in the center of the cover (4).
EP98932223A 1998-06-17 1998-06-17 Removable case for opening and closing a pressurized can provided with a frangible obturator Expired - Lifetime EP1097086B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR1998/001271 WO1999065780A1 (en) 1998-06-17 1998-06-17 Removable case for opening and closing a pressurized can provided with a frangible obturator

Publications (2)

Publication Number Publication Date
EP1097086A1 true EP1097086A1 (en) 2001-05-09
EP1097086B1 EP1097086B1 (en) 2003-09-03

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EP98932223A Expired - Lifetime EP1097086B1 (en) 1998-06-17 1998-06-17 Removable case for opening and closing a pressurized can provided with a frangible obturator

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US (1) US6763963B1 (en)
EP (1) EP1097086B1 (en)
JP (1) JP3796652B2 (en)
AT (1) ATE248754T1 (en)
AU (1) AU744397B2 (en)
CA (1) CA2334995C (en)
DE (1) DE69817885T2 (en)
ES (1) ES2207842T3 (en)
WO (1) WO1999065780A1 (en)

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Also Published As

Publication number Publication date
ES2207842T3 (en) 2004-06-01
WO1999065780A1 (en) 1999-12-23
CA2334995A1 (en) 1999-12-23
ATE248754T1 (en) 2003-09-15
AU744397B2 (en) 2002-02-21
CA2334995C (en) 2005-11-29
EP1097086B1 (en) 2003-09-03
JP2002518258A (en) 2002-06-25
AU8219998A (en) 2000-01-05
US6763963B1 (en) 2004-07-20
DE69817885D1 (en) 2003-10-09
JP3796652B2 (en) 2006-07-12
DE69817885T2 (en) 2004-07-15

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