EP1633646B1 - Bouchon a couvercle deverrouillable et a rappel elastique - Google Patents

Bouchon a couvercle deverrouillable et a rappel elastique Download PDF

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Publication number
EP1633646B1
EP1633646B1 EP04767273A EP04767273A EP1633646B1 EP 1633646 B1 EP1633646 B1 EP 1633646B1 EP 04767273 A EP04767273 A EP 04767273A EP 04767273 A EP04767273 A EP 04767273A EP 1633646 B1 EP1633646 B1 EP 1633646B1
Authority
EP
European Patent Office
Prior art keywords
base
lid
stopper according
hinge
container
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
EP04767273A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1633646A1 (fr
Inventor
Bertrand Barre
Xavier Gibert
Francis Lepage
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.)
Zebra Co
Original Assignee
Zebra Co
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 Zebra Co filed Critical Zebra Co
Publication of EP1633646A1 publication Critical patent/EP1633646A1/fr
Application granted granted Critical
Publication of EP1633646B1 publication Critical patent/EP1633646B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0828—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards the open position only
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/10—Details of hinged closures
    • B65D2251/1016—Means for locking the closure in closed position
    • B65D2251/1041—The closure having a part penetrating in the dispensing aperture and retained by snapping over integral beads or projections
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/10—Details of hinged closures
    • B65D2251/1066—Actuating 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/20—Sealing means

Definitions

  • the present invention relates to the closure of a container, in particular single-use or disposable, whose internal volume may contain a content (or a load) likely to flow, so liquid, fluid, or pasty.
  • the present invention relates to a cap to be mounted on a container as previously defined, particularly in a sealed manner vis-à-vis the contents of said container.
  • the invention also relates to a container comprising or integrating such a cap, empty or full, that is to say filled with a content as defined above.
  • the present invention relates to a cap of the type previously described, substantially improving its opening ergonomics, in that it allows with one hand, and the gripping of the container and the complete opening of the cap, for example to access directly with the mouth of the user at the orifice or outlet mouth of the base.
  • the predetermined unlocking force which must be exerted between the cover and the base, is taken into account in order to disengage the cover relative to the base, and to release the stress on the hinge towards the position of lid return.
  • the cap further comprises positive unlocking means between the base and the cover, arranged to be manually actuated by exerting an antagonistic force between the base and the cover, at least equal to the unlocking force means for holding the lid in its folded position.
  • the invention it becomes possible to grip the container with its cap with one hand, and with a finger of the latter, for example the thumb, to actuate the positive unlocking means, to automatically lead to the completely open position, and free from any hindrance to its access with the mouth for example, the outlet port of the base.
  • the present invention also presents, by way of example, the following technical characteristics.
  • the hinge comprises at least two hinge strands located on either side of the web or the piece of viscoelastic material, for example elastomer, which have been molded with the cover and the base.
  • each articulating strand comprises a median part and two articulation zones on either side of the median part.
  • the possible adhesion of the two hinge strands respectively to the two lateral faces of the viscoelastic web makes it possible to structure the hinge and to give it, in particular, torsional and tensile strength, and this with very little thermo material. -plastic.
  • the base comprises an air inlet, separate from the exhaust duct, adapted to introduce air into the container in response to the evacuation of its contents through the outlet orifice.
  • this air inlet comprises at least one outer groove formed on the base, which extends at the intersection thereof, with a substantially radial plane, extending, on one side at least to from the foot of the exhaust duct, and on the other side on the duct to the level of the outlet.
  • the viscoelastic part joining the cover and the base consists of a web extending between two ends, directly bonded, for example by adhesion, respectively to the base and the cover.
  • This web is for example obtained by molding or bi-material injection, respectively of a thermoplastic material for obtaining in one piece at least the base and the cover, and optionally the hinge strands, and a elastomeric material for obtaining the web.
  • the plug 1 according to the present invention, shown in Figures 1 to 4, comprises, in a manner known per se, a base 2, a lid 3 mounted articulated on the base 2, and a hinge with elastic return 4 which allows pivoting about a fictitious axis of the cover 3 on the base 2, determined by the hinge means described below.
  • the base 2 is for example cylindrical and is intended to be mounted for example by screwing, or by any other mounting means, removable or irremovable, on a neck 6a of a container 6 as shown partially in Figure 2.
  • the base 2 is attached to the neck 6a of the container 6 by clipping elements 7, or even by an internal thread which cooperates with the neck.
  • the mounting means retained to ensure a seal between the cap 1 and the container 6, vis-à-vis its contents.
  • the base 2 has a discharge conduit 8 which communicates with the internal volume of the container 6 to evacuate the contents of this container when the lid 3 is open.
  • the duct 8 extends between a foot 9 integral with the base 2 and an opposite outlet orifice 10.
  • the base 2 is formed of an annular flange 12 which extends substantially transversely to the longitudinal axis XX of the container 6, and of a skirt 13 which extends towards the container 6, parallel to the neck of this container .
  • the foot 9 of the exhaust duct 8 is thus integral with the annular flange 12 of the base.
  • the shape of the base 2 is also adapted, for example, to a direct access by the mouth of the user to the outlet port 10.
  • the lid 3 is hingedly mounted on the base 2 and more precisely on the annular rim 12 of this base, between a fully open position as shown in FIGS. 1 and 2, in which the outlet orifice 10 of the duct 8 is entirely released, and a folded position in which this outlet port 10 of the conduit 8 is closed.
  • the lid 3 has a concave shape whose concavity is turned in the direction of the annular flange 12 of the base 2, and has an inner face 15.
  • Shut-off means 16 project from the inner face 15 to close the door. outlet orifice 10 of the duct 8 when the lid 3 is in the folded position on the base 2.
  • the hinge with elastic return 4 is formed of a thin web 50 of elastomeric material, which extends between the edge of the cover 3 and the skirt 13 of the base 2, at a level close to that defined by the annular flange 12 This hinge 4 is constrained when the lid 3 is in the folded position on the base 2, and urges this cover towards its open position, and in particular completely open.
  • the stopper comprises holding means, which are either snug or hard-fitting clamping means, or snap-fastening means as described below. .
  • the plug 1 further has positive unlocking means 22 for unlocking the cover 3 from the base 2, these means 22 being actuated manually by the user to cause a counterforce, able to disengage said means keeping.
  • All the constituent parts of the base 2 are made of material together and are made of a plastic material such as polypropylene or else polyethylene.
  • the lid 3 is in one piece and is made of the same plastic as that of the base 2, so that the lid 3 is also made of polypropylene or even polyethylene. Only the web 50 of the hinge 4 is made of an elastomeric plastic material, so as to obtain the elastic return effect in the open position of the lid 3.
  • closing the lid 3 on the base 2 is obtained safely, while the opening of the cap 3 is obtained thanks to the positive unlocking means 22 which generate an opposing force directed opposite the container 6, to allow the disengagement of the holding means, and this makes the automatic return to the open position of the lid 3 by means of the hinge with elastic return 4.
  • this counterforce, exerted between the base 2 and the cover 3 is at least equal to the force required for unlocking the holding means (18, 20) of the cover in its folded position on the base , and therefore for the disengagement of the cover relative to the base, and then the release of the biasing of the hinge to the return position.
  • the unlocking means 22 consist of an elastically deformable flap 23 and at least one ramp 24 integral with the cover 3.
  • the deformable flap 23 has a first end 26 which is integral with the skirt 13 of the base 2, being integral with it, and a second end 27 which is free and which is intended to slide on the ramp 24 to generate the antagonistic force required for unlocking the holding means 18, 20.
  • the deformation of the flap 23 consists of a centripetal tilting of the latter, around the fixed end 26, to move the free end 27 towards the center of the cap, against an elastic return of said flap to its position d origin, integrated into the perimeter of the skirt 13.
  • the ramp 24 is oriented towards the outside of the plug 1 and opposite the base 2, so as to define a diverging surface upwardly and outwardly in the folded position of the cover 3 (see FIG. ).
  • the cover 3 has three ramps 24 which are each defined at the ends of three flanges 28, which each protrude from the inner face 15 of the cover 3 being spaced from each other.
  • the distance between the first and third of these flanges is substantially equal to the width of the deformable flap 23, so that the free end 27 of this flap simultaneously supports all ramps 24 carried by these flanges.
  • the deformable flap 23 and the ramps 24 are located diametrically opposite the elastic return hinge 4.
  • the deformable flap 23 extends in the continuity of the volume defined by the skirt 13.
  • the flap 23 is implanted at a narrowing of this skirt 13, and is spaced from the walls of this skirt so as to be transversely deformed. to the XX axis of the cap.
  • the flap 23 is connected to the walls of the skirt 13 only at its first end 26, which is a kind of tilting axis for this flap.
  • this free end 27 is preferably beveled so as to define a contact surface between this end and the ramps 24.
  • the ramp 24 can be carried by the flap 23, while the lid 3 carries a straight portion located opposite to slide on this ramp.
  • Each of the ramps 24 is arranged in relation to the free end 27 of the shutter 23, not only to transform the manual thrust on said shutter into antagonistic force, as defined above, but also to overtake, still under the effect of manual thrust. , the relative position of the ramps 24 in sliding contact with the free end 27 of the flap 23, in which the cover 3 is in its folded position, but is disengaged with respect to the base 2, that is to say after unlocking the holding means (18, 20).
  • the holding means comprise clipping means 18 carried by the cover 3, and complementary clipping means 20 carried by the base 2, to cooperate mutually.
  • the clipping means 18 may be implanted in any place of the plug, for example on the flap 23, the base 2 or on the cover 3, but are preferably in this case carried by the closure means 16 intended to close the duct 8.
  • the complementary clipping means 20 are carried by the inner face 11 of the duct 8, at the outlet orifice 10.
  • the closure means 16 of the conduit 8 consist of a tubular element 32 which is integral with the inner wall 15 of the lid 3. This tubular element 32 extends over a small height relative to the overall dimensions of the lid 3 and has an outside diameter substantially equal to the inside diameter of the duct 8.
  • the clipping means 18 take the form of a peripheral annular flange 34 which extends outside the tubular element 32, at its free end, while the complementary clipping means 20 consist of a annular bead 36 which extends on the inner wall 11 of the duct 8, at the outlet orifice 10.
  • the annular flange 34 and the annular bead 36 each bear a bevel so as to facilitate their mutual clipping when the lid 3 is folded down on the base 2. Their respective location is also adapted so that the clipping of the bead in the flange is obtained when the free end 27 of the flap 23 comes into contact with the ramps 24 of the cover 3.
  • these ramps 24 are extended by a flange 38 which extends substantially transversely to the axis XX to abut against the free end 27 of the deformable flap 23.
  • these clipping means constituted by the bead 36 and the flange 34 can maintain the lid in the locked position, but also allow to seal the closure of the conduit 8, with respect to the contents of the container 6.
  • This seal is reinforced by adapting the rigidity of the walls of the tubular element 32 relative to the walls of the duct 8.
  • the rigidity of the tubular element 32 is less than that of the duct 8. This difference in rigidity is obtained thanks to different thicknesses of these walls, insofar as they are constituted by the same material, or else thanks to ribs.
  • the holding means (18, 20) may be simply interlocking clamping means of the tubular element 32 in the duct 8, this element being of outside diameter slightly greater than the inside diameter of the duct 8.
  • the tubular element may be of frustoconical shape.
  • the hinge 4 has on both sides of the web 50 of elastomeric material, two strands 41 and 42 which are contiguous and adhere respectively to the two lateral faces of the web, and which extend between the cover 3 and the base 2. These strands are integral with the cover 3 and the base 2.
  • the two strands 41 and 42 are made of polypropylene or polyethylene and are of a much smaller section than that of the web 50 of the hinge 4, in a ratio of about one-tenth. This avoids the creep of the material and allows the hinge 4 to keep its elastic return effect, even when the lid 3 is placed in the folded position on the base 2 for a long time.
  • the strands are also thin.
  • the plug is obtained by molding or bi-material injection, respectively of a thermoplastic material for obtaining in one piece at least the base 2, the lid 3 and the strands 41 and 42, and an elastomeric material to obtain the veil 50.
  • This hinge 4 is adapted to cause the pivoting of the cover 3 to its open position, over an angular stroke equal to at least 150 ° relative to the folded position.
  • the cap 1 has guide means 45 to accompany the pivoting of the lid 3 from its open position to its folded position.
  • These guide means consist of two tabs 46 and 47 which delimit two cradles on the base 2, and two bosses 48 and 49 on the lid 3, of complementary shape to the cradles.
  • the two tabs 46 and 47 are integral with the annular flange 12 of the base 2, on either side of the two strands 41 and 42. They define a fictitious axis of rotation for receiving on the base 2 the two bosses 48 and 49 of the cover 3, at the end of travel of the cover 3 towards its folded position.
  • the two bosses 48 and 49 are integral with the edge of the lid 3, corresponding to said two cradles 46 and 47.
  • a plug 1 as described above is obtained, in the fully open position shown in FIG. 2, directly by bi-injection, on the one hand from the plastic material, for example thermoplastic, constituting in a single piece of the base 2, 3 and the hinge arms 41 and 42, and secondly the elastomeric material constituting the web 50.
  • the web 50 takes the form of a tongue, whose end 50a integral with the lid 3 is housing and is fixed in adhesion flat in a corresponding depression 51 formed from the outer surface of said cover, and whose other end 50b integral with the base 2 has a edge or straight edge in permanent contact and adhesive with the skirt 13 of said base.
  • the two ends 50a and 50b of the web 50 in the form of a tongue each have a straight edge in contact with a corresponding straight edge formed in the skirt 13 of the base 2, or at the bottom of the depression 51 on the lid 3.
  • an air inlet is formed in the base 2.
  • This air inlet consists of at least one through hole 60.
  • two orifices 60 are formed through in the rim annular 12 of this base 2. The air can thus enter the container when the liquid contained inside is discharged through the outlet port 10.
  • the lid 3 has closure means 61 which are distinct from the closure means 16, and which make it possible to close the through orifices 60 when the lid is in the folded position.
  • the closure means 61 take the form of a cylindrical finger integral with the inner face 15 of the cover 3, and which has a free end 62.
  • the through holes 60 are housed in a recessed relief 65 formed in the annular flange 12 of the base 2.
  • This relief 65 is of cylindrical shape whose depth is small compared to the dimensions of the base 2. It has cylindrical walls 66 and a bottom 67.
  • the orifices 60 are formed in the walls 66 transversely to the axis XX of the cap, and are preferably located on the part of these walls which is opposite a groove 70 described herein. -after. Air can thus enter the container 6 without passing through the mouth of the user.
  • the free end 62 of the finger 61 cooperates by interlocking (FIG. 4), and in a sealed manner with respect to the contents of the container, with the cylindrical walls 66 of the recessed relief.
  • interlocking FIG. 4
  • the sealing of the orifices 60 also makes it possible to maintain a certain gas pressure in the container. the container, which is particularly advantageous before the first use of the contents of the container, especially in the case of a carbonated beverage.
  • the recessed relief 65 is located in the vicinity of the foot 9 of the duct 8, and a groove 70 is formed on the outer wall of the duct 8.
  • the groove 70 extends over the entire height of the duct 8, so that it opens into the recessed relief 65 at a lower end 71, and opens out in the vicinity of the outlet orifice 10 at the end. 72.
  • the inadvertently escaping liquid is automatically directed toward this groove since the through holes 60 are located opposite.
  • This groove 70 not only makes it possible to guide to the mouth of the user any drops of liquid that could accidentally escape through the through holes 60, but also to make air enter the container 6 via the mouth of the user, through the upper end 72 of the groove 70.
  • the third embodiment of the invention shown in FIG. 11 differs from the second embodiment in that at least two sets, in this case three sets, each consisting of several external grooves 70 as described above, are offset angularly relative to each other, around the axis of the exhaust duct 8.
  • tamper-proof means of the plug that is to say before its commissioning, are also provided between the base 2 and the cover 3; they are not represented since they are not within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Bag Frames (AREA)
EP04767273A 2003-06-06 2004-06-07 Bouchon a couvercle deverrouillable et a rappel elastique Expired - Lifetime EP1633646B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306867A FR2855815B1 (fr) 2003-06-06 2003-06-06 Bouchon a couvercle deverrouillable et a rappel elastique
PCT/FR2004/001407 WO2004110889A1 (fr) 2003-06-06 2004-06-07 Bouchon a couvercle deverrouillable et a rappel elastique

Publications (2)

Publication Number Publication Date
EP1633646A1 EP1633646A1 (fr) 2006-03-15
EP1633646B1 true EP1633646B1 (fr) 2007-12-12

Family

ID=33443193

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04767273A Expired - Lifetime EP1633646B1 (fr) 2003-06-06 2004-06-07 Bouchon a couvercle deverrouillable et a rappel elastique

Country Status (8)

Country Link
US (1) US8308022B2 (zh)
EP (1) EP1633646B1 (zh)
CN (1) CN1826270B (zh)
AT (1) ATE380759T1 (zh)
DE (1) DE602004010654T2 (zh)
ES (1) ES2298812T3 (zh)
FR (1) FR2855815B1 (zh)
WO (1) WO2004110889A1 (zh)

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DE102014204831B4 (de) 2014-03-14 2020-06-18 Aptar Radolfzell Gmbh Austragkopf für einen Spender, Spender mit Austragkopfund Verfahren zur Herstellung eines Austragkopfes
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US6460712B2 (en) * 2001-02-02 2002-10-08 Seaquist Closures Foreign, Inc. One-piece tamper-evident closure system with a resealable, hinged lid

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US8308022B2 (en) 2012-11-13
ATE380759T1 (de) 2007-12-15
CN1826270B (zh) 2010-04-28
FR2855815B1 (fr) 2006-03-17
ES2298812T3 (es) 2008-05-16
WO2004110889A1 (fr) 2004-12-23
CN1826270A (zh) 2006-08-30
US20070000955A1 (en) 2007-01-04
EP1633646A1 (fr) 2006-03-15
FR2855815A1 (fr) 2004-12-10
DE602004010654T2 (de) 2008-12-11
DE602004010654D1 (de) 2008-01-24

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