EP0696994B1 - Capuchon pour bouteille - Google Patents

Capuchon pour bouteille Download PDF

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Publication number
EP0696994B1
EP0696994B1 EP94916939A EP94916939A EP0696994B1 EP 0696994 B1 EP0696994 B1 EP 0696994B1 EP 94916939 A EP94916939 A EP 94916939A EP 94916939 A EP94916939 A EP 94916939A EP 0696994 B1 EP0696994 B1 EP 0696994B1
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EP
European Patent Office
Prior art keywords
cap
section
projections
projection
cap section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94916939A
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German (de)
English (en)
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EP0696994A1 (fr
Inventor
Dave Morris
Fred Gill
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.)
West Co Deutschland GmbH
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West Co Deutschland GmbH
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Filing date
Publication date
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Publication of EP0696994A1 publication Critical patent/EP0696994A1/fr
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Publication of EP0696994B1 publication Critical patent/EP0696994B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/32—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member
    • B65D45/322—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member the clamping device being an annular member moved axially to clamp the closure by using radial pressure
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure

Definitions

  • the invention relates to a closure cap for closing a bottle or similar container, which has a projecting outer annular bead in the region of its container opening, with an inner cap part which has a plurality of spring bars, each of which has a holding projection on the inside at its free end region for engaging behind the annular bead in a closed position have the closure cap, with an outer cap part which has a plurality of securing projections on the inside on its annular peripheral wall and which can be pushed onto the inner cap part against a deflection movement in such a way that the securing projections are located in the area of the spring bars in the closed position, and with a sealing element , which is arranged at least in regions between the edge region of the bottle or the like delimiting the container opening and the inner cap part, with on the outer cap part between the securing projections
  • a disengaging opening is provided and, after loosening a rotation lock, the outer and the inner cap part can be separated from one another by means of a rotary and a subsequent
  • crimp caps are often used to close infusion and transfusion bottles. These previously known crimp caps have a cup-shaped cap part in the starting position, which is placed on the bottle opening. Between the cup-shaped cap part and the edge region of the bottle that delimits the bottle opening, a stopper made of elastomeric material is provided as a sealing element, which is pressed into the bottle neck with its cross-section-adapted partial region. Around the crimp cap and the stopper it grips on the bottle neck fix, the free edge area of the sheet metal cap part is molded inwards and engages behind the flanged edge of the bottle protruding outwards on the bottle neck.
  • a circular and approximately centrally arranged piercing opening is provided, which is defined by corresponding predetermined breaking points in the cup-shaped cap part.
  • This piercing opening can be exposed by removing a cover part which is firmly connected to the portion of the pot-shaped cap part covering the piercing opening and is made of plastic material.
  • the flanging of the cup-shaped cap part must be broken open and the closure cap and the sealing element removed from the bottle.
  • sharp edges are often formed or exposed here, on which, for example, the medical personnel in the hospital can be injured.
  • a complete separation of the different materials is usually not readily possible with these previously known crimp caps, because at least on the cover part of the portion of the sheet metal cap part which covers the piercing opening in the closed position remains. This metal residue on the otherwise plastic part of the lid makes it difficult to recycle the plastic material.
  • a closure cap is already known, the individual cap parts of which are made entirely of plastic.
  • This cap is held on the bottle by several spring bars of an inner cap part, which grip under the flanged edge of the bottle with an inside retaining projection.
  • the inner cap part is secured in the under-grip position by an annular outer cap part encompassing it.
  • the outer cap part has a circumferential, internal securing projection which supports the spring bars of the inner cap part in the closed position of the closure cap. In this closed position, the securing projection of the outer cap part in turn engages radially outwardly projecting locking tongues on the inner cap part, so that the outer and the inner cap part are held immovably to one another in the axial direction.
  • a tear-open tab is provided on the outer cap part designed as a sliding ring, which is limited by two parallel and axially oriented predetermined breaking notches in the plastic material of the outer cap part .
  • a puncture opening is provided on the exposed front-side ceiling of the inner cap part, which is also defined by two concentric predetermined breaking channels.
  • weakening or predetermined breaking points have significant disadvantages.
  • the medical staff in the hospitals must destroy the known closure cap at these predetermined breaking points in order to be able to detach it from the bottle.
  • this creates sharp edges that often pose a risk of injury.
  • it In order to achieve the intended destructive demolition at such predetermined breaking points always with the same effort To be able to accomplish this reliably, it must also be ensured that the wall thickness of these weakening points remains constant over the entire service life of such a plastic injection mold. If the wall thickness of this weakening point increases due to wear of the tool or other disturbances influencing the production process, the cap can no longer be removed from the bottle or can only be removed with very great effort. If, on the other hand, the weakening point becomes too thin, the closure cap at this weakening point breaks during assembly on the corresponding bottle.
  • Such weakening points are produced by corresponding constrictions in the injection mold.
  • the polypropylene plastic provided for the production of the closure cap according to DE-A-40 15 510 has long molecular chains which undergo polarization when these constrictions flow through. Due to the alignment of the molecular chains, material fibers form in the area of the weakening points, which counteract breaking through of the plastic material itself and can make it considerably more difficult to separate the different cap parts.
  • the cap according to DE-A-40 15 510 must be mounted on a bottle neck in several steps.
  • a first step the elastomeric stopper is pressed into the bottle opening from above.
  • the inner cap part is then pressed from above onto the bottle opening and the stopper located thereon, the spring bars of this cap part being temporarily deflected outwards as they pass through the ring bead delimiting the bottle opening, in order then to spring into their relaxed grip position.
  • the outer cap part is then placed on the inner cap part pushed, thereby securing the spring bars in their under-grip or closed position.
  • a closure cap of the type mentioned at the outset which has an inner cap part and an annular outer cap part, these cap parts likewise being made of plastic.
  • a plurality of spring bars are provided on the inner cap part, each of which engages behind the annular bead provided on a bottle neck with a holding projection arranged at its free end region.
  • the outer cap part can be pushed onto the inner cap part.
  • a separate securing tab is provided as a rotation lock, which is welded on the outside to the inner cap part on the one hand and to the outer cap part on the other hand or the like.
  • this locking of the closure cap is complex and requires several additional manufacturing steps.
  • the cap has a lid part, which is designed as a tamper-evident closure for an end puncture of the inner cap part and is rotatably and releasably connected to the inner cap part, and that the rotation lock between the Has corresponding securing means cap parts, of which at least one securing means is provided on the outer cap part and the other securing means cooperating with it is provided on the cover part.
  • the cover part In the closed position of the closure cap according to the invention, the cover part is rotatably connected to the inner cap part on the one hand and to the outer cap part on the other.
  • the cover part thus secures the non-rotatable unit between it and the two cap parts.
  • the rotationally fixed connection between the inner and the outer cap part is at the same time canceled, so that these cap parts can be separated from one another relative to the inner cap part by means of a rotary and a subsequent axial sliding movement of the outer cap part.
  • This rotary-sliding movement allows the closure cap according to the invention to be detached from the bottle or similar container easily and without risk of injury.
  • the closure cap according to the invention consists essentially of only three parts, its manufacture and assembly are connected with little effort.
  • slightly loosening the Cover part of the two cap parts of the closure cap according to the invention can both cancel the rotation lock provided between the cap parts and expose the puncture opening provided on the end face of the inner cap part.
  • the contents contained in the bottle or similar container can thus be removed either by completely removing the closure cap or, for example, by means of a syringe cannula through the piercing opening of the inner cap part.
  • the inner cap part in the relaxed starting position has a clear inner diameter in the region of its holding projections, which corresponds at least approximately to the outer diameter of the ring bead of the bottle or the like and if the spring bars of the inner cap part by means of an axial relative movement of the inner and outer cap parts at least one run-up slope provided on the inner and / or on the outer cap part can be moved into their holding position which is spring-loaded relative to one another in the closed position.
  • the inner cap part Since the inner cap part has a clear diameter in its relaxed starting position, which corresponds at least approximately to the outer diameter of the ring bead of the bottle or the like, the inner cap part can be placed on the bottle practically without force when the closure cap according to the invention is assembled.
  • the spring bars provided on the inner cap part are only moved into their holding position when, for example, the outer cap part is pushed onto the inner cap part from below. Since the work steps required for assembling the closure cap according to the invention and in particular the sideways upward sliding movement provided for connecting the inner cap part to the outer cap part correspond to the usual mode of operation also with conventional crimp caps, the caps according to the invention can also be processed on conventional closure systems.
  • a preferred further development according to the invention which can be given protection independently, provides that the inner and the outer cap part are held in a preassembled pre-locking position by means of at least one projection provided between them, in which the spring bars are in their open position, and that Cap parts are movable by an axial relative movement of the outer cap part to the inner cap part in the closed position of the closure cap.
  • the closure cap which essentially consists of the inner cap part, the outer cap part and the lid part, can be delivered in a preassembled pre-locking position and placed on the infusion bottle. Subsequently, only an axial relative movement of the two cap parts is required in order to close the closure cap and the container which is sealed off from it.
  • This embodiment also favors the simple assembly of the closure cap according to the invention.
  • the cover part has at least one anti-rotation protrusion or the like which engages in a locking opening or similar recess in the outer cap part assigned to it in the closed position of the closure cap.
  • the securing means designed as a rotation locking projection is preferably integrally formed on the cover part.
  • at least one securing means, which interacts with the outer cap part and at least one with the inner cap part can be provided as a rotation lock on the cover part.
  • the low manufacturing cost of the closure cap according to the invention is favored, however, if the securing means provided on the cover part both the rotation lock between the cover part and the inner cap part and the Anti-rotation is assigned between the cover part and the outer cap part.
  • a further development according to the invention provides that the anti-rotation projection of the cover part engages in a locking opening or similar recess of the inner cap part in the closed position of the closure cap and that the recess of the cap parts assigned to the anti-rotation projection correspond to one another in a rotational position of these cap parts.
  • the cover part has at least one latching hook projecting on its flat side facing the inner cap part, preferably a plurality of latching hooks, which pass through the piercing opening of the inner cap part and with its free end protruding outwards or the like from the piercing opening reach behind the limiting edge area of the inner cap part.
  • the cover part is detachably held on the inner cap part by means of the latching hooks, without any weakening or predetermined breaking points between the cover part and the inner cap part that are difficult to break through.
  • the inner cap part is immovably connected to the outer cap part in the closed position if a locking projection is provided on the outside of each spring bar in its free end area, which is held in the closed position of the closure cap between two locking projections spaced apart in the sliding direction, which on the inside on the annular wall portion of the outer Cap part are arranged.
  • An embodiment according to the invention provides that for the rotationally secure guidance of the locking projections in the sliding direction between at least one of the pre-locking cams and the adjacent securing projection on both sides of the projections, a guide bar oriented in the sliding direction is provided, and that at least one of the two mutually associated guide bars is preferably up to approximately in the edge area of the outer cap part facing the cover part.
  • the rotation lock provided on the cover part engages in the corresponding recess of the outer cap part, so that the individual parts of the closure cap according to the invention are held against one another in a rotationally fixed manner as long as the cover part has not been removed from the inner cap part.
  • one of Embodiment according to the invention provided that the flank of the latching projections facing the cover part is arranged approximately at right angles to the longitudinal axis of the spring bar and that the opposite flank of each latching projection runs obliquely inwards towards the free end of the spring bar.
  • the easy assembly of the two cap parts is further favored if the flank facing the cover part, at least the securing projections facing the cover part, preferably in each case both mutually associated securing projections, are inclined inwards towards the container, and if the opposite flanks of at least the securing projections facing the cover part are preferably arranged approximately at right angles to the longitudinal axis of the annular wall section of the outer cap part.
  • the retaining projections of the spring bars are pressed particularly securely and firmly against the under-grip locking shoulder of the ring bead provided in the area of the bottle opening when the spring bars in the closed position also have the securing projection (securing projections) facing away from the lid part on its (their) inclined flank (s) a corresponding counter surface provided on the free end region of the spring bars.
  • a preferred embodiment according to the invention in which the cap material used can be recycled particularly well, provides that the inner cap part, the outer cap part and the cover part are made of plastic, preferably of polypropylene.
  • closure cap 1 which is provided for closing an infusion or transfusion bottle 2.
  • the closure cap 1 essentially consists of an inner cap part 3, an outer cap part 4 and a cover part 5.
  • the inner cap part 3 has an upper cover plate 6, to which four spring bars 7 arranged crosswise are integrally formed at right angles to the plate plane. Each of these spring bars 7 has at its free end region a holding projection 8 which is angled inwards and protrudes beyond the inside of its spring bar 7. In the closed position of the closure cap 1, the spring bars 7 engage or engage under the retaining shoulder 8 with the annular shoulder 9 of a ring bead 10 of the bottle 2 facing away from the closure cap 1.
  • the spring bars 7 are dimensioned such that between the cover plate 6 and the edge region delimiting the bottle opening Bottle 2 is the flange protruding outwards 11 of a stopper 12, which is designed as a sealing element and is pressed tightly into the bottle opening with its shape-adapted cylindrical partial region 13.
  • the outer cap part 4 of the closure cap 1 is essentially designed as an annular wall section.
  • a plurality of securing projections 14, 15 are provided on the inside in the annular wall section of the outer cap part 4.
  • the outer cap part 4 can be pushed onto the inner cap part 3 in such a way that in the closed position shown in FIG. 7 the securing projections 14, 15 are located at the free end region of the spring bars 7.
  • the inner cap part 3 In its relaxed starting position shown for example in FIGS. 5 and 6, the inner cap part 3 has a clear inner diameter which corresponds approximately to the outer diameter of the annular bead 10 of the bottle 2. In this relaxed starting position, the inner cap part 3 can be placed on the bottle opening practically without resistance.
  • a locking projection 16 is provided on the outside of each spring bar 7, the flank 17 of which facing the cover part is arranged approximately at right angles to the longitudinal axis of the spring bar 7.
  • the opposite flank 18 of each locking projection 16 extends obliquely inwards towards the free end of the spring web 7 in question.
  • a safety projection 14 is assigned to each of the spring bars 7, the width of which is adapted approximately to that of the spring bar 7.
  • the flank 19 of each of these securing projections 14 facing the lid part 5 is inclined inwards in the direction of the bottle 2, while the opposite flank 20 is arranged approximately at right angles to the longitudinal axis of the outer cap part 4.
  • a further securing projection 15 is provided, which is designed as a circumferential securing ring 15 and is formed here by the end region of the annular outer cap part 4 which faces the bottle and is inclined inwardly.
  • this protruding locking ring 15 of the outer cap part 4 facing away from the cover part 5 forms an inward bevel which, in the event of an axial relative movement of the cap parts 3, 4, simulates the spring bars 7 of the inner cap part 3 displaces and compresses inside.
  • the spring bars 7 have at their free end on the outside a corresponding oblique counter surface 21 which can slide inwards on the flank of the retaining ring 15 which faces the lid part 5 and faces obliquely inward towards the bottle 2.
  • the oblique flanks 18, 19 act on the mutually associated locking and securing projections 16, 14.
  • the distance between the securing projections 14 and the securing ring 15 is dimensioned such that the spring web 7 with its between the counter surface 21 and Locking projection 16 located portion in the closed position of the closure cap 1 is held axially immovably between the two locking projections 14, 15.
  • a pre-locking cam 22 is provided, which is also adapted in the circumferential direction to the width of the spring bar 7 in question.
  • the inner cap part 3 can first be pushed as far as necessary into the outer cap part 4, that the locking projections 16 are held on the spring bars 7 between the associated locking cam 22 and the adjacent securing projection 14 of the outer cap part 4. It is between the Vorrastnocken 22 and the Securing projection 14 formed a recess or recess in which the locking projection in question can engage. In this preassembled pre-locking position, the cap can be delivered to the consumer and placed there in this form on the bottle openings.
  • the closure cap 1 can be moved from the pre-locking position into the closed position by simply applying pressure, which runs laterally from below in the direction of the fixed cover part 5.
  • the closure cap 1 can be processed on the existing systems which are provided for aluminum crimping in crimp caps and which practically also have all the functions required for closing the closure cap 1 shown here.
  • guide strips 23 oriented in the sliding direction are provided on both sides of the securing projections 14 and the pre-locking cams 22, which extend approximately into the edge area of the outer cap part 4 facing the cover part 5. These guide strips 23 prevent twisting of the two cap parts 3, 4 until they are in the pre-locking position.
  • the cover part 5 engages in a shape-matched, open-ended recess 25 of the outer cap part 4 with a shaping or similar anti-rotation protrusion (24) projecting axially on the edge and serving as a rotation lock 31.
  • the locking projections 16 of the spring bars 7 are in their Figure 7 and 9 shown secured position.
  • the latching projections 16 can be rotated out of their engagement position by a rotational movement of the outer cap part 4 relative to the inner cap part 3 and moved into the region of the disengagement openings 26, each through the between two adjacent ones Securing projections 14 are provided and extending to the cover part 5 intermediate space are formed.
  • the cap parts 3, 4 can then be separated from one another and from the bottle 2 by a subsequent axial sliding movement indicated in FIG. 10 and can be recycled.
  • the flip-up lid part 5 which is designed as a tamper-evident closure for an end puncture opening 27 of the inner cap part 3, can be easily detached from the inner cap part 3.
  • it has at least one, in the closure cap shown here, a plurality of latching hooks 28 which protrude approximately centrally on its flat side facing the inner cap part 3.
  • the latching hooks 28 pass through the piercing opening 27 and, with their free ends angled outwards, engage behind the edge region of the inner cap part 3 which delimits the piercing opening 27.
  • the angled free end of the latching hooks 28, which can be formed, for example, by heat deformation, can be obtained from the inner cap part 3 Loosen slightly, but do not put it back on afterwards.
  • a locking pin 29 protrudes on the flat side of the cover part 5 and engages in a corresponding recess 30 of the inner cap part 3.
  • the piercing opening 27 on the inner cap part can be opened and the stopper 12 exposed in some areas in order to be able to remove the contents of the bottle in the bottle 2 by means of a cannula or a transfusion set.
  • the cap parts 3, 4 only have to be rotated relative to one another and then axially displaced in order to completely remove the cap 1 and to expose the bottle opening of the bottle 2 can. Even when the bottle 2 is completely opened and the closure cap 1 is removed, no sharp-edged edges are formed or exposed, on which the medical personnel could be injured, for example in a hospital.
  • FIG. 11 shows the preferred embodiment of a closure cap 1 'in an exploded view.
  • the closure cap 1 'according to FIG. 11 largely corresponds to the closure cap 1 shown in FIGS. 1 to 10.
  • the cover part 5 of the closure cap 1 ' also has a multiplicity of latching hooks 28 which are arranged in a circle with respect to one another, but not shown here, and which penetrate the likewise circular piercing opening 27 of the inner cap part 3 and which are angled outward in each case the free end engages behind the edge area of the inner cap part 3 which delimits this piercing opening 27.
  • an integrally formed or similar anti-rotation protrusion 34 is integrally formed on the inner end face of this cover part 5.
  • the inner cap part 3 has on its cover plate 6 in the region of each spring bar 7 a safety opening or similar recess 33 which is open at the edge.
  • the tab-shaped anti-rotation projection 34 and the recesses 33 are matched to one another in such a way that the anti-rotation projection 34 can engage in one of the recesses 33. Due to the anti-rotation protrusion 34 engaging in one of the recesses 33, the cover part 5 and the inner cap part 3 are connected to one another in a rotationally fixed and yet detachable manner.
  • the outer cap part 4 of the closure cap 1 ' also has on its inner circumference the securing projections 14, 15 and the pre-locking cam 22 connected upstream in the sliding direction.
  • a guide bar 23, 23 'oriented in the sliding direction is provided between a pre-locking cam 22 and the respectively adjacent securing projection 14 on both sides of these projections and cams (14, 22) in order to guide the locking projections 16 arranged on the spring bars 7 in the sliding direction. While the left guide bar 23 ′ in FIG. 11 is only arranged in the area between the pre-locking cam 22 and the adjacent securing projection 14, the guide bar 23 assigned to it and right in FIG. 11 extends approximately into the edge area of the outer cap part 4 facing the cover part 5.
  • Such a guide bar 23 reaching up to approximately the cover part 5 is provided on all projections 14, 22 on one and the same side. But only with a couple of the mutually assigned projections 14, 22 on both sides of these projections 14, 22, the guide strips 23, 23 'are provided, the remaining projections 14, 22 have this guide strip 23 extending to the cover part 5 only on one side.
  • the securing openings or similar recesses 33 of the inner cap part 3 are delimited by arcuate cap part projections 35. In the closed position of the closure cap 1 ', these projections 35 of the inner cap part 3 engage in the securing openings or similar recesses 36 in the outer cap part 4, each of which extends through the guide strips which are adjacent to one another and extend approximately into the edge region of the outer cap part 4 facing the cover part 5 23 can be limited.
  • the cap part projections 35 abut on the guide strips 23 and limit the further rotational movement.
  • the guide strips 23 come into contact with a shape-matched recess 37 in the cap part projections 35.
  • the anti-rotation protrusion 34 provided on the cover part 5 engages in the associated locking openings 33, 36 of the inner and outer cap parts 3, 4 in the closed position of the closure cap 1 ', one of the guide strips 23 is held in the corresponding recess 37 of the cap part projection 35.
  • the cap parts 3, 4 and the cover part 5 are connected to a rotationally fixed unit in this closed position of the closure cap 1 '.
  • the anti-rotation protrusion 34 on the cover part 5 also provides a securing means between the Cap parts 3, 4 provided rotation lock 31. By loosening the cover part 5, the rotation lock projection 34 can be removed from the securing opening 36 of the outer cap part 4 in order to release the rotation lock 31 between the cap parts 3, 4.
  • the cap parts 3, 4 can be easily and with little effort from the corresponding bottle or remove the same container.
  • the individual materials can be recycled practically according to type. Since the individual parts 3, 4, 5 of the closure caps 1, 1 'are made of plastic, preferably of polypropylene plastic, no further material, for example aluminum sheet, is obtained here.
  • the caps 1, 1 ' can be assembled or disassembled on an infusion or transfusion bottle or similar container with little effort.
  • the cap material used to produce the individual cap parts 3, 4, 5 can easily be separated from one another and can be recycled particularly well.

Abstract

L'invention concerne un capuchon (1, 1') permettant de fermer une bouteille (2) ou autre récipient analogue qui comporte dans sa zone d'ouverture, une nervure annulaire (10) extérieure saillante. Le capuchon (1, 1') comporte une partie intérieure (3) munie de barrettes faisant ressort (7) qui enserrent par dessous la nervure (10) de la bouteille (2) lorsqu'elle fermée. Ces barrettes (7) peuvent être bloquées dans cette position par l'intermédiaire d'une partie extérieure (4) se présentant sous forme d'anneau coulissant. Afin de pouvoir monter un capuchon de ce type, sur une bouteille de perfusion ou de transfusion (2) et de l'enlever de ladite bouteille aussi facilement que possible et afin de pouvoir recycler dans de bonnes conditions le matériau plastique constituant le capuchon, il est prévu que la partie extérieure (4) comporte plusieurs parties saillantes de sécurité (14) sur sa périphérie, entre lesquelles se trouve une ouverture de déblocage (26). Lorsque le capuchon (1, 1') est fermé, la partie extérieure (4) et la partie intérieure (3) sont reliées, de façon qu'elles ne puissent pas tourner, au moyen d'au moins un système anti-rotation déblocable. Après déblocage du système anti-rotation, on peut séparer ces deux parties de capuchon l'une de l'autre en faisant tourner et en poussant ensuite dans le sens axial la partie extérieure du capuchon par rapport à la partie intérieure.

Claims (16)

  1. Capuchon (1, 1') pour fermer une bouteille (2) ou un récipient analogue qui présente dans la région de son ouverture de récipient un bourrelet annulaire extérieur (10) en saillie, avec une partie intérieure de capuchon (3) qui possède plusieurs nervures élastiques (7) qui présentent chacune dans leur région terminale libre, sur le côté intérieur, une saillie de retenue (8) pour s'engager derrière le bourrelet annulaire (10) dans une position fermée du capuchon (1, 1'), avec une partie extérieure de capuchon (4) qui présente sur sa paroi périphérique annulaire, sur le côté intérieur, plusieurs saillies de blocage (14) et qui, afin d'empêcher un mouvement d'excursion des nervures élastiques (7), peut être enfilée sur la partie intérieure de capuchon (3) de telle sorte que les saillies de blocage (14) se trouvent dans la région des nervures élastiques en position fermée, et avec un élément d'étanchéité (12) qui est disposé au moins pour partie entre la région de bord de la bouteille (2) ou analogue qui délimite l'ouverture du récipient et la partie intérieure de capuchon (3), une ouverture respective de libération (26) étant prévue entre les saillies de blocage (14) sur la partie extérieure de capuchon (4), et la partie extérieure et la partie intérieure de capuchon (4, 3) pouvant, après avoir libéré un dispositif de blocage en rotation (31), être séparées l'une de l'autre au moyen d'un mouvement de rotation, suivi d'un mouvement de coulissement axial, de la partie extérieure de capuchon (4) par rapport à la partie intérieure de capuchon (3), caractérisé en ce que le capuchon (1, 1') présente une partie de couvercle (5), qui est conçue comme fermeture d'origine pour une ouverture à percer frontale (27) de la partie intérieure de capuchon (3) et qui est assemblée en solidarité de rotation et de manière détachable à la partie intérieure de capuchon (3), et en ce que le dispositif de blocage en rotation (31) présente des moyens de blocage mutuellement correspondants entre les parties de capuchon (3, 4), dont au moins un (25, 36) est prévu sur la partie extérieure de capuchon (4), tandis que l'autre moyen de blocage (24, 34), coopérant avec lui, est prévu sur la partie de couvercle (5).
  2. Capuchon selon la revendication 1, caractérisé en ce que la partie intérieure de capuchon (3) possède en position initiale relâchée, dans la région de ses saillies de retenue (8), un diamètre intérieur de passage qui correspond au moins approximativement au diamètre extérieur du bourrelet annulaire (10) de la bouteille (2) ou analogue, et en ce que les nervures élastiques (7) de la partie intérieure de capuchon (3) peuvent être, par un déplacement axial relatif entre la partie intérieure et la partie extérieure de capuchon (3, 4), au moyen d'au moins une rampe montante prévue sur la partie intérieure et/ou sur la partie extérieure de capuchon (3, 4), déplacées dans leur position de retenue où elles sont, en position fermée, rabattues les unes vers les autres.
  3. Capuchon selon la revendication 1 ou 2, caractérisé en ce que la partie intérieure et la partie extérieure de capuchon (3, 4) sont, au moyen d'au moins une saillie prévue entre elles, maintenues dans une position préassemblée de pré-crantage dans laquelle les nervures élastiques (7) se trouvent dans leur position ouverte, et en ce que les parties de capuchon (3, 4) peuvent être déplacées dans la position fermée du capuchon (1, 1') par un mouvement axial relatif de la partie extérieure de capuchon (4) par rapport à la partie intérieure de capuchon (3).
  4. Capuchon selon une des revendications 1 à 3, caractérisé en ce que la partie de couvercle (5) possède au moins une saillie de blocage en rotation (24, 34) qui, en position fermée du capuchon (1, 1'), s'engage dans une ouverture associée de blocage (25, 36) ou évidement analogue de la partie extérieure de capuchon (4).
  5. Capuchon selon une des revendications 1 à 4, caractérisé en ce que la saillie de blocage en rotation (34) de la partie de couvercle (5) s'engage, en position fermée du capuchon (1'), dans une ouverture de blocage ou évidement analogue (33) de la partie intérieure de capuchon (3), et en ce que les évidements (33, 36) des parties de capuchon (3, 4) qui sont associés à la saillie de blocage en rotation (34) correspondent entre eux dans une position de rotation de ces parties de capuchon (3, 4).
  6. Capuchon selon une des revendications 1 à 5, caractérisé en ce que la partie de couvercle (5) est assemblée en solidarité de rotation à la partie intérieure de capuchon (3).
  7. Capuchon selon une des revendications 1 à 6, caractérisé en ce que la partie de couvercle (5) présente au moins une patte de crantage dépassant sur son côté plat tourné vers la partie intérieure de capuchon (3), et de préférence plusieurs pattes de crantage (28), qui traversent l'ouverture à percer (27) de la partie intérieure de capuchon (3) et qui, par leur extrémité libre en saillie coudée vers l'extérieur ou analogue, s'engagent derrière la région de bord de la partie intérieure du capuchon (3) qui délimite l'ouverture à percer (27).
  8. Capuchon selon une des revendications 1 à 7, caractérisé en ce qu'une saillie de crantage (16) est prévue sur le côté extérieur sur chaque nervure élastique (7) dans sa région terminale libre, saillie qui, en position fermée du capuchon (1, 1'), est maintenue entre deux saillies de blocage (14, 15) mutuellement distantes dans la direction de coulissement, qui sont disposées sur le côté intérieur sur la région de paroi annulaire de la partie extérieure de capuchon (4).
  9. Capuchon selon une des revendications 1 à 8, caractérisé en ce qu'un ergot de pré-crantage (22) est prévu avant les saillies de blocage (14, 15) mutuellement associées, dans la direction de coulissement, et en ce que les nervures élastiques (7) de la partie intérieure de capuchon (3) sont, en position préassemblée de pré-crantage du capuchon (1, 1'), maintenues par leur saillie de crantage (16) entre cet ergot de pré-crantage (22) et la saillie de blocage voisine (14) de la partie extérieure de capuchon (4).
  10. Capuchon selon une des revendications 1 à 9, caractérisé en ce qu'afin de guider sans risque de rotation les saillies de crantage (16) dans la direction de coulissement, une glissière de guidage respective (23, 23'), orientée dans la direction de coulissement, est prévue de part et d'autre des saillies (14, 22) entre au moins un des ergots de pré-crantage (22) et la saillie de blocage voisine (14), et en ce qu'au moins une des deux glissières de guidage (23) mutuellement associées s'étend de préférence environ jusque dans la région de bord de la partie extérieure de capuchon (4) qui est tournée vers la partie de couvercle (5).
  11. Capuchon selon une des revendications 1 à 10, caractérisé en ce qu'une glissière de guidage respective (23), s'étendant environ jusque dans la région de bord de la partie extérieure de capuchon (4) qui est tournée vers la partie de couvercle (5), est prévue sur le même côté que toutes les saillies (14, 22), et en ce que deux glissières voisines parmi ces glissières de guidage (23) s'étendant vers la partie de couvercle (5) délimitent une ouverture de blocage ou évidement analogue (36) de la partie extérieure de capuchon (4).
  12. Capuchon selon une des revendications 1 à 11, caractérisé en ce que le flanc (17) des saillies de crantage (16) qui est tourné vers la partie de couvercle est disposé approximativement perpendiculairement à l'axe longitudinal de la nervure élastique (7), et en ce que le flanc opposé (18) de chaque saillie de crantage (16) s'étend en oblique vers l'intérieur en direction de l'extrémité libre de la nervure élastique (7).
  13. Capuchon selon une des revendications 1 à 12, caractérisé en ce que les flancs (19), dirigés vers la partie de couvercle (5), d'au moins les saillies de blocage (14) tournées vers la partie de couvercle (5), de préférence chaque fois des deux saillies de blocage (14, 15) mutuellement associées, sont inclinés en oblique vers l'intérieur en direction du récipient (2), et en ce que les flancs opposés (20) d'au moins les saillies de blocage (14) tournées vers la partie de couvercle (5) sont de préférence disposés approximativement perpendiculairement à l'axe longitudinal de la région de paroi annulaire de la partie extérieure de capuchon (4).
  14. Capuchon selon une des revendications 1 à 13, caractérisé en ce que les nervures élastiques (7), en position fermée, sollicitent la ou les saillies de blocage opposées à la partie de couvercle (5), sur leur flanc oblique (19), par une contre-surface correspondante (21) prévue dans la région terminale libre des nervures élastiques (7).
  15. Capuchon selon une des revendications 1 à 14, caractérisé en ce que la saillie de blocage (15) opposée à la partie de couvercle (5) est réalisée sous forme d'anneau de blocage entourant.
  16. Capuchon selon une des revendications 1 à 15, caractérisé en ce que la partie intérieure de capuchon (3), la partie extérieure de capuchon (4) et la partie de couvercle (5) sont réalisées en matière plastique, de préférence en matériau synthétique à base de polypropylène.
EP94916939A 1993-05-06 1994-05-05 Capuchon pour bouteille Expired - Lifetime EP0696994B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4314923 1993-05-06
DE4314923A DE4314923C2 (de) 1993-05-06 1993-05-06 Verschlußkappe zum Verschließen einer Flasche
PCT/EP1994/001452 WO1994026613A1 (fr) 1993-05-06 1994-05-05 Capuchon pour bouteille

Publications (2)

Publication Number Publication Date
EP0696994A1 EP0696994A1 (fr) 1996-02-21
EP0696994B1 true EP0696994B1 (fr) 1996-12-27

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EP94916939A Expired - Lifetime EP0696994B1 (fr) 1993-05-06 1994-05-05 Capuchon pour bouteille

Country Status (6)

Country Link
US (1) US5678718A (fr)
EP (1) EP0696994B1 (fr)
JP (1) JPH09501375A (fr)
DE (2) DE4314923C2 (fr)
HK (1) HK1007129A1 (fr)
WO (1) WO1994026613A1 (fr)

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US9549873B2 (en) 2012-02-02 2017-01-24 Becton Dickinson Holdings Pte. Ltd. Adaptor for coupling to a medical container
US9668939B2 (en) 2012-02-02 2017-06-06 Becton Dickinson Holdings Pte. Ltd. Adaptor for coupling with a medical container
US10532005B2 (en) 2012-02-02 2020-01-14 Becton Dickinson Holdings Pte. Ltd. Adaptor for coupling to a medical container
US10751252B2 (en) 2012-02-02 2020-08-25 Becton Dickinson Holdings Pte. Ltd. Adaptor for coupling with a medical container
US10966903B2 (en) 2012-02-02 2021-04-06 Becton Dickinson Holdings Pte. Ltd. Adaptor for coupling to a medical container

Also Published As

Publication number Publication date
DE4314923C2 (de) 1998-08-27
HK1007129A1 (en) 1999-04-01
DE59401411D1 (de) 1997-02-06
US5678718A (en) 1997-10-21
JPH09501375A (ja) 1997-02-10
DE4314923A1 (de) 1994-11-10
WO1994026613A1 (fr) 1994-11-24
EP0696994A1 (fr) 1996-02-21

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