EP0597246B1 - Dispositif d'ouverture sur le couvercle d'un emballage de produits liquides - Google Patents

Dispositif d'ouverture sur le couvercle d'un emballage de produits liquides Download PDF

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Publication number
EP0597246B1
EP0597246B1 EP93116123A EP93116123A EP0597246B1 EP 0597246 B1 EP0597246 B1 EP 0597246B1 EP 93116123 A EP93116123 A EP 93116123A EP 93116123 A EP93116123 A EP 93116123A EP 0597246 B1 EP0597246 B1 EP 0597246B1
Authority
EP
European Patent Office
Prior art keywords
edge
projection
opening
pouring
pouring aperture
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
EP93116123A
Other languages
German (de)
English (en)
Other versions
EP0597246A3 (fr
EP0597246A2 (fr
Inventor
Dominique Arnauld
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP0597246A2 publication Critical patent/EP0597246A2/fr
Publication of EP0597246A3 publication Critical patent/EP0597246A3/fr
Application granted granted Critical
Publication of EP0597246B1 publication Critical patent/EP0597246B1/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
    • B65D47/0833—Hinges without elastic bias
    • B65D47/0847—Hinges without elastic bias located within a flat surface of the base element

Definitions

  • the invention relates to an opening device on the lid of an eluent pack, in which a pouring opening can be reclosed by a closure flap and is thereby openable in that the closure flap is pivotably and captively hinged at the end of the pouring opening opposite the pouring side by means of a hinge, at least the edge of the pouring opening being elastic deformable material and a projection from the lower edge of the closure flap is attached downwards in such a way that when it is opened it can be pulled over the edge of the pouring opening and is supported on the edge of the pouring opening while keeping the closure flap open.
  • plasticizer packs of which one pack e.g. is formed from a tube of paper coated with plastic, which has bottom and lid at both ends, the lid made of plastic without a carrier material, i.e. without paper, is molded onto the top edge of the paper tube.
  • This lid of the known package is essentially flat and has a pouring opening which extends approximately from the center of the lid to an outer edge and which is located in a so-called second inner plane which is at a short distance of e.g. 2 to 10 mm, preferably 5 mm, is located within the so-called first outer plane, which defines the outer surface of the lid of the pack.
  • the lid with opening device of this known package has been further developed in such a way that the closure flap of the opening device of the type described at the outset remains open at a certain angle after opening while pouring.
  • the latching means for keeping the known closure flap open are located in the area of the hinge on the side opposite the tip of the closure flap and have a latching bead protruding approximately vertically upwards from the flap and at a distance from this a protrusion protruding approximately vertically downwards on a Reinforcing rib is attached in the central area of the lid.
  • This latching device is in need of improvement insofar as the configuration of the latching bead, compliance with the distance from the nose, the configuration of the hinge, a reinforcement rib aligned in a certain way and other devices is very difficult to manufacture and requires expensive injection molding tools.
  • the known snap-in device can already be damaged by stacking the known packages on top of one another.
  • An opening device of the type mentioned at the outset is known from EP-A-0 004 075.
  • a locking tongue placed on the inner surface of a flap triangular in plan view so that it is perpendicular to the lid surface.
  • the flap is triangular in shape so that the rounded corner is the corner of the package which is square in plan view and at the opposite end of the flap a straight hinge cuts the lid at an angle.
  • the known opening device requires this triangular shape for the flap, because otherwise the locking tongue does not describe the desired arc when opening and closing the flap.
  • the known projection is tongue-shaped and deforms with each actuation of the flap with the risk of damage.
  • the object of the invention is therefore to provide the device for keeping the closure flap open in the opening position in an opening device of the type mentioned in such a way that this hold-open device is simple to produce and versatile and can be closed again more easily and without damage.
  • this object is achieved in that the edge of the pouring opening is more elastic than the projection, so that the edge of the pouring opening is deformed more than the projection.
  • the attachment of a projection is known to be simple.
  • the hold-open device according to the invention is therefore simple to manufacture and to design.
  • the projection can be moved past the yielding edge of the pouring opening without damage, so that the hold-open device can be easily and easily resealed.
  • the hinge of the locking tab can be versatile at different locations on the lid can be arranged with the result that the pouring jet can be guided over any point on the edge of the lid.
  • “below” means an essentially vertical direction, which - starting from the lid of the plastic packaging - is to be thought in the direction of the interior of the packaging.
  • the projection from the closure flap is set obliquely in the direction of the interior of the package. It protrudes downward from the closure flap in such a way that in the closed state, when the closure flap is parallel to the main plane of the cover, preferably horizontally, it cannot be seen from the outside.
  • the hinge of the closure flap can be a simple line of weakness or folded edge which extends in a straight line over the entire width of the top of the closure flap approximately in the central region of the cover.
  • This direction of the hinge is preferably perpendicular to the longitudinal center direction of the pouring opening, if this is assumed from the area of the hinge to the pouring spout or tip of the pouring opening.
  • the jet of the filling material also flows in the latter longitudinal direction of the pouring opening when pouring out.
  • the projection for the hold-open device can be pulled over the edge of the pouring opening without excessive stress.
  • the projection touches the edge of the pouring opening and can deform it without the risk of damage.
  • the edge returns to its previous state after the closure flap has been fully opened, so that the projection is supported on the edge of the pouring opening when the handle is released.
  • the hold-open device has fully developed its function.
  • the opening device can also be reclosed without difficulty despite the new hold-open device.
  • the user can bring the closure flap from the open position into the closed position by light pressure, and here the projection can be pushed over the edge of the pouring opening in an analogous manner when closing. If the closure flap is again in the closed position, the protrusion is arranged inside the packaging, namely directly below the closure flap, so that it cannot be damaged from the outside and is not visible.
  • the protrusion and the fastening edge for the protrusion located on the closure tab also consist of the plastic from which the entire cover is injection molded
  • Design of the protrusion-side parts is chosen so that when the parts are touched and slide against one another, namely the projection on the one hand and the edge of the pouring opening on the other hand, whenever the closure flap is brought into the open position or vice versa from the latter into the closed position, the edge of the pouring opening is deformed more than the projection. This makes it easy to reclose the opening device because the projection presses past the edge of the pouring opening in a particularly inexpensive and dimensionally stable manner.
  • edge of the pouring opening located in the region of the hinge is made thinner than the other, substantially U-shaped to substantially V-shaped edge of the pouring device when looks at them from above and perpendicular to their plane.
  • the front edge of the pouring opening in particular in the region of the front pouring tip at the spout-side end of the pouring opening, is therefore thicker and stiffer than at the rear, ie as in the region of the hinge.
  • Such a thinner design of an edge part at the rear compared to the front can be achieved very easily by slanting the injection mold. The thinner edge part then bends more easily, as is well understood.
  • the projection on the edge of the closure flap is inclined from its center to the outside.
  • the tube of the pack has an essentially vertical longitudinal center axis, against which the projection is inclined in the sense of the last-mentioned feature.
  • the projection at the edge of the closure flap thus encloses an angle with the tube axis of the packaging, which is in the range from 0 to 30 °, preferably 5 to 20 °, and in a particularly preferred embodiment is approximately 15 °.
  • the invention is advantageously further developed in that at least one pin-shaped projection is attached to each side of the hinge and in the vicinity thereof.
  • the design of the projection as a pen has proven to be particularly simple and reliable in practice. Nevertheless, the projection can also be given the shape of a bead, a needle, a raised hemisphere or an edge.
  • it is expedient to arrange the projection in the vicinity of the hinge as was already provided in a similar manner in the known snap-in device with the two interlocking parts (locking bead and nose).
  • the straight-line hinge described at the outset which extends over the width of the closure flap, has one side at the beginning of the width and the other side at the end of the line extending transversely across the closure flap. In this sense, there is a protrusion at one end of the straight elongate hinge and the other protrusion is at the opposite end.
  • the edge of the pouring opening is inclined at least in the area of the hinge with respect to the plane of the pouring opening towards the inside of the package.
  • the projection can be inclined outwards.
  • the edge of the pouring opening can also be inclined at a similar angle to the tube axis. This results in a particularly good stabilization when keeping open, because the projection, which can preferably have the shape of a horn, then comes to rest vertically on a support surface when the locking tab is in the open position. Despite this very stable hold-open position, reclosing is very easy because the pin-shaped or horn-shaped projection can be easily pushed past this obliquely positioned edge of the pouring opening.
  • the opening device according to the invention with the measures described above is particularly expedient if, according to the invention, the cover is essentially flat and made of plastic.
  • Thermoplastics as is known per se, are particularly suitable for this.
  • the essentially flat cover is arranged perpendicular to the longitudinal central axis 1 of the tube of the pack, not shown, this tube axis 1 being shown in dash-dot lines in FIG. 1 and perpendicularly on the dashed line of the hinge 2; but is also perpendicular to the longitudinal center axis 3 of the pouring opening 4, which is also shown in dashed lines.
  • FIG. 2 shows the edge 5 of the pouring opening 4, which is approximately boat-shaped in plan view and which is arranged parallel under the edge 6 of the closure flap 7.
  • the lid shown has an outer first plane 8 and a second inner plane 9 which is offset at a distance a from it downwards in the direction of the tube axis 1 and in which the pouring edge 10 lies, which is close to the tip 11 of the Pouring opening 4 is located on the pouring side.
  • a horn-like or pin-like projection 12 is shown attached to the lower edge 6 of the locking tab 7 on each side thereof.
  • this pin-shaped projection 12 is almost invisible in the direction of the interior of the package.
  • the pin-shaped projection 12 is set at an angle of 10 ° with respect to the tube axis 1 and stands vertically on the likewise inclined edge 5 of the pouring opening 4 in the open position in FIG. 2.
  • the edge 5 of the pouring opening 4 thus supports the closure tab 7, which is in the open position according to FIG. 2, via the pin-shaped projection 12.
  • the locking tab 7 pivots clockwise around the hinge 2 when looking in the direction of the straight-line hinge, i.e. in the figures shown from the front left to the rear right.
  • the pin-shaped projection 12 is held essentially in position, while the edge 5 of the pouring opening 4 is deformed in the area of the hinge 2, so that the projection 12 can be pressed past the edge 5.
  • the edge 5 of the pouring opening 4 is again in its manufacturing configuration and is in turn able to support the closure tab 7 in the position of FIG. 2 in the open position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Secondary Cells (AREA)
  • Telephone Function (AREA)

Claims (5)

  1. Dispositif d'ouverture, sur le couvercle d'un emballage pour produits liquides, dans lequel un bec verseur (4) peut être refermé par une patte de fermeture (7), et peut être ouvert par le fait que la patte de fermeture (7) est articulée d'une manière pivotante et imperdable, à l'aide de la charnière (2), à l'extrémité du bec verseur (4) opposée au côté versement, auquel cas au moins le bord (5) du bec verseur (4) est constitué d'un matériau pouvant subir une déformation élastique, et une saillie (12) est rapportée en saillie vers le bas, à partir du bord inférieur (6) de la patte de fermeture (7), de façon à pouvoir être tirée, lors de l'ouverture, au-delà du bord (5) du bec verseur (4), et à s'appuyer, la patte de fermeture (7) étant maintenue en ouverture, sur le bord (5) du bec verseur (4), caractérisé en ce que le bord (5) du bec verseur (4) est plus élastique que la saillie (12), de façon que le bord (5) du bec verseur (4) subisse une déformation plus grande que la saillie (12).
  2. Dispositif d'ouverture selon la revendication 1, caractérisé en ce que la saillie (12) est rapportée au bord (6) de la patte de fermeture (7) d'une manière inclinée vers l'extérieur à partir de son milieu.
  3. Dispositif d'ouverture selon la revendication 1 ou 2, caractérisé en ce qu'au moins une saillie (12) en forme de broche est rapportée sur chaque côté de la charnière (2) et au voisinage de cette dernière.
  4. Dispositif d'ouverture selon l'une des revendications 1 à 3, caractérisé en ce que le bord (5) du bec verseur (4) est disposé d'une manière inclinée vers l'intérieur de l'emballage au moins dans la zone de la charnière (2), par rapport au plan du bec verseur (4).
  5. Dispositif d'ouverture selon l'une des revendications 1 à 4, caractérisé en ce que le couvercle est essentiellement plan et est constitué d'un matériau plastique.
EP93116123A 1992-10-13 1993-10-06 Dispositif d'ouverture sur le couvercle d'un emballage de produits liquides Expired - Lifetime EP0597246B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3197/92 1992-10-13
CH3197/92A CH685550A5 (de) 1992-10-13 1992-10-13 Oeffnungsvorrichtung am Deckel einer Fliessmittelpackung.

Publications (3)

Publication Number Publication Date
EP0597246A2 EP0597246A2 (fr) 1994-05-18
EP0597246A3 EP0597246A3 (fr) 1994-12-28
EP0597246B1 true EP0597246B1 (fr) 1997-12-03

Family

ID=4250761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116123A Expired - Lifetime EP0597246B1 (fr) 1992-10-13 1993-10-06 Dispositif d'ouverture sur le couvercle d'un emballage de produits liquides

Country Status (8)

Country Link
US (1) US5791508A (fr)
EP (1) EP0597246B1 (fr)
JP (1) JP3496032B2 (fr)
AT (1) ATE160749T1 (fr)
CH (1) CH685550A5 (fr)
DE (1) DE59307782D1 (fr)
GR (1) GR3025900T3 (fr)
NZ (1) NZ248928A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD412265S (en) * 1998-08-17 1999-07-27 Hall Jr Charles E Container lid having a double-pour spout
US6523713B1 (en) * 1999-12-14 2003-02-25 Double “H” Plastics, Inc. Stackable hinged container lid having detents
ATE277823T1 (de) * 2000-05-30 2004-10-15 Tetra Laval Holdings & Finance Öffnungsvorrichtung für eine verpackung für fliessfähige lebensmittel sowie mit derselben versehene verpackung
US6382743B1 (en) 2001-03-19 2002-05-07 Go-Plastics Inc. Door-hinging system for news-stands
US6932249B1 (en) 2003-02-26 2005-08-23 Owens-Illinois Closure Inc. Toggle-action dispensing closure, package and method of making
US20040195238A1 (en) * 2003-04-01 2004-10-07 Spring Usa Corporation Hinged pot cover
US8517212B2 (en) 2011-05-05 2013-08-27 Sonoco Development, Inc. Overcap for a container
CN103640778A (zh) * 2013-11-22 2014-03-19 中山环亚塑料包装有限公司 一种倒液口防漏型塑料盖
WO2022217766A1 (fr) * 2021-04-16 2022-10-20 佛山印象包装有限公司 Capuchon supérieur de disque

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262606A (en) * 1963-07-29 1966-07-26 Neil S Waterman Container closure
US3372832A (en) * 1966-06-17 1968-03-12 Yeater Thomas Removable cover for containers
US3675812A (en) * 1970-05-13 1972-07-11 Clark Mfg Co J L Plastic cover with hinged closure and molding dies therefor
US3737066A (en) * 1971-09-15 1973-06-05 J Ames Container construction
US4103804A (en) * 1975-10-06 1978-08-01 Fournier E P Clamp action sealing device for tab opening cans
DE2810624A1 (de) * 1978-03-11 1979-09-20 Henkel Kgaa Schuettdeckel zu einem behaelter fuer pulverprodukte
US4144985A (en) * 1978-05-22 1979-03-20 Ethyl Development Corporation Closure fastening means
US4361250A (en) * 1981-06-26 1982-11-30 J. L. Clark Manufacturing Co. Plastic container closure
IT8353532V0 (it) * 1983-06-30 1983-06-30 Ferrero Spa Contenitore per piccoli oggetti particolarmente pastiglie e simili prodotti dolciari
US4874103A (en) * 1986-10-01 1989-10-17 Winfield Corporation Receptacle for receiving infectious waste material
US4858793A (en) * 1988-08-22 1989-08-22 Packaging Corporation Of America Pour spout closure
US4915268A (en) * 1988-11-02 1990-04-10 Pittway Corporation Closure with dispensing applicator
US4949865A (en) * 1990-01-02 1990-08-21 Williams Industries, Inc. Container lid with integral stopper
US5125525A (en) * 1990-10-15 1992-06-30 Terence Tucker Protective cap for beverage containers
US5203467A (en) * 1990-10-15 1993-04-20 Terence Tucker Protective cap with seal for beverage container

Also Published As

Publication number Publication date
CH685550A5 (de) 1995-08-15
NZ248928A (en) 1995-04-27
GR3025900T3 (en) 1998-04-30
EP0597246A3 (fr) 1994-12-28
DE59307782D1 (de) 1998-01-15
ATE160749T1 (de) 1997-12-15
US5791508A (en) 1998-08-11
JPH06345081A (ja) 1994-12-20
JP3496032B2 (ja) 2004-02-09
EP0597246A2 (fr) 1994-05-18

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