EP0176108B1 - Closing device for a container - Google Patents

Closing device for a container Download PDF

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Publication number
EP0176108B1
EP0176108B1 EP85112340A EP85112340A EP0176108B1 EP 0176108 B1 EP0176108 B1 EP 0176108B1 EP 85112340 A EP85112340 A EP 85112340A EP 85112340 A EP85112340 A EP 85112340A EP 0176108 B1 EP0176108 B1 EP 0176108B1
Authority
EP
European Patent Office
Prior art keywords
cap
lid
cap lid
closure device
clearance
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
EP85112340A
Other languages
German (de)
French (fr)
Other versions
EP0176108A3 (en
EP0176108A2 (en
Inventor
Karl-Heinz Rosenthal
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.)
Aptar Dortmund GmbH
Original Assignee
Bielsteiner Verschlubtechnik GmbH
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 Bielsteiner Verschlubtechnik GmbH filed Critical Bielsteiner Verschlubtechnik GmbH
Priority to AT85112340T priority Critical patent/ATE49557T1/en
Publication of EP0176108A2 publication Critical patent/EP0176108A2/en
Publication of EP0176108A3 publication Critical patent/EP0176108A3/en
Application granted granted Critical
Publication of EP0176108B1 publication Critical patent/EP0176108B1/en
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
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/26—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts
    • B65D47/261—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement
    • B65D47/268—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement the valve member pivoting about an axis perpendicular to the container mouth axis
    • 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
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2006—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge formed by a rigid spout outlet opened by tilting of the spout outlet

Definitions

  • the invention relates to a closure device made of plastic for a container for flowable goods, on which a cover plate with a passage having a cap is attached, which has an upwardly open recess in which a cap cover is arranged as a closure member, on the underside of which support and Pivoting means are attached, by means of which the cap cover is supported non-rotatably about the central longitudinal axis of the closure device and can be pivoted about an axis perpendicular to the central longitudinal axis, and wherein stops are provided in the recess against which the cap cover rests in its closed or open position, one side of which serves as an actuator and the other side is provided with a laterally opening outlet opening, which is closed in the closed position of the cap lid by the upper edge of the recess in the cap under tension, the side of the cap lid serving for actuation in Sc locking position is at a distance above the cover plate forming the bottom of the recess.
  • Closure devices of the aforementioned known type are either screwed onto the spout or the neck of the container by means of a screw thread or connected to the container neck by means of a snap lock, with catch cams engaging under corresponding projections on the outside of the neck of the container so that the closure device sits tightly on the container .
  • the flowable material which can be dispensed with the aid of such closure devices can consist of liquids or small granular or spherical particles, such as, for.
  • pills containing pharmaceutical active ingredients, granular, dried or liquid spices or foods such as. B. Ketchup.
  • Such closure devices must therefore ensure a secure sealing of the container contents to the outside with a pleasing appearance.
  • Such closure devices are mass-produced articles, the economical manufacture of which must be ensured.
  • a closure device which consists of a rocker arm which is pivotably mounted in an upper recess of a cap at a distance above the cover plate of the cap.
  • the lateral outlet opening in this lever is connected via a channel extending partially in this lever in the open position of the rocker arm to a tubular outlet nozzle which projects from the cover plate of the cap and forms the passage for the contents of the container.
  • This outlet port is closed by a sealing cap with a plug arranged in it on the underside of the rocker arm in its closed position.
  • the rocker arm is provided with rounded projections on the sides which engage in corresponding lateral recesses in the parallel opposite side walls of the recess and form the pivot axis for the rocker arm.
  • the lever arm for actuating the rocker arm by exerting a downward pressure by means of the operator's finger is shorter than the other lever arm of the rocker arm associated with the outlet opening, so that the forces to be exerted on the rocker arm are unnecessarily high. Furthermore, it is not ensured that impurities can get into the recess in the cap under the lever-like closure and, as a result, come into contact with the contents of the container in the open position of the closure and possibly even into the container itself and / or hinder the unimpeded actuation of the closure.
  • the shape of the closure is extremely complicated, so that there are relatively high tool costs for the production of the closure.
  • Another disadvantage of this known closure is that the pretension for sealing the outlet opening in the closed position of the closure can only be achieved in that the distance of the outlet opening from the vertical central axis of the sealing cap provided on the underside of the lever-like closure for the outlet nozzle is somewhat larger is dimensioned as the distance of this central axis from the inner wall of the recess in the cap opposite the outlet opening in the closed position.
  • a closure cap for bottles for the controlled dispensing of liquids which consists of two parts molded from plastic, one of which is tightly attached to the bottle and the other one pivotably arranged in the cap Forms lid, which can be snapped into the closed or open position by finger pressure on the rear part of the lid.
  • An opening in the cap communicates with an outlet opening in the lid when it is in the open position. The connection is broken when the lid is closed.
  • the cover is provided on the underside with support and pivoting means, by means of which the cap cover cannot be rotated about the central longitudinal axis of the closure device, but pivots about an axis perpendicular to the central longitudinal axis is cash.
  • the cap sitting on the bottle has a recess in the top thereof for receiving the cap lid.
  • a pair of mutually opposed vertical wall portions in the recess of the cap have U-shaped bearing surfaces and arcuate ribs, the center of curvature of which is the axis of the U-shaped bearing surface.
  • Arc-shaped segments in connection with the bearing surfaces form the pivoting device for pivotally receiving and holding within the recess of the cap when the closure member is inserted into the cap.
  • the closure member has a downwardly extending central part with a pair of arcuate bearing parts which are formed on opposite sides and a pair of axial stub shafts.
  • the rounded lower edges of the arcuate bearing members engage in the rounded inner edges of the arcuate ribs of the cap and press the vertical wall parts of the cap elastically outwards and come to the lower Edges of the arcuate ribs to the system, which hold the closure member securely pivoted, the stub shafts sitting firmly in the bearing approaches of the cap.
  • the invention has for its object to improve a closure device of the aforementioned type in such a way that the closure member securely prevents the ingress of contaminants into the space between the closure member and the cap in any operating position of the closure member and easy actuation of the closure member at all times secure sealing of the outlet opening is ensured in the closed position.
  • the construction of the closure device should be as simple as possible, be able to be produced with the least possible amount of material and have a pleasing appearance. After all, the locking device should always be reliable.
  • the cap cover has a circumferential edge on its circumference, which projects downward and protrudes into the open recess of the cap, that the outer surface of the edge of the cap cover has the shape of a disk-shaped central spherical surface section, whose center of curvature is halfway up the disc-shaped spherical surface section on the pivot axis of the cap lid, that the lateral outlet opening is located directly below the underside of the cap lid, essentially in the upper half of the height of the lid rim, that the circumferential lid rim is elastic in the radial direction, that the cap wall at the upper edge of the recess is provided with a circumferential inner recess which is essentially dome-shaped and corresponding to the lid edge, so that the edge of the cap lid is in the corresponding dome-shaped recess d he cap wall is inserted with a snap fit under radial preload and is pivotally guided.
  • closure devices are illustrated which, as is known per se, can be screwed or placed onto the neck of a container (not shown) surrounding the opening by means of a thread or by means of a latching device, which preferably consist of plastic, but also of glass or metal can.
  • the container contains a flowable material, such as. B. liquid, cream-like, granulated, powder-like or similar substances that are used at the table, in the household or for cosmetic or industrial purposes.
  • a closure device 10 is shown, the closure cap 11 is provided with a coaxial fastening socket 12, which can be screwed tightly with an internal thread 13 onto a corresponding external thread on the container neck.
  • a coaxial fastening socket 12 which can be screwed tightly with an internal thread 13 onto a corresponding external thread on the container neck.
  • the closure cap 11 has a cover plate 14 which lies tightly on the opening of the neck of the container.
  • the cover plate 14 has in its center a passage opening 15, through the center of which the main axis x of the closure device extends and through which the container contents can pass into a recess 16 in the closure cap 11 lying above the cover plate 14.
  • the cap wall 18, which extends from the cover plate 14 to the upper edge 17 of the recess 16, has an inner undercut recess 26 which is concavely curved in the shape of a spherical cap and which thus corresponds to the central disc-shaped cutout of a spherical surface, whose axis of symmetry is the main axis x of the closure device.
  • a cap cover 19 is inserted in the region of its upper edge 17 and is provided with a circumferential cover edge 20 which extends into the recess.
  • the outer surface 20a of the lid edge 20 of the cap cover 19 corresponds to the shape of a disk-shaped, central spherical surface section, the center of curvature 21 of which is approximately half the height of the disk-shaped spherical surface section on a pivot axis y of the cap cover 19 and whose radius of curvature corresponds approximately to that of the spherical cutout 26.
  • the lid edge 20 there is a lateral outlet opening 22 directly below the underside of the cap cover 19 substantially in the upper half of the height of the lid edge 20. This ensures that the cap cover is also in its open position, not shown, in which the outlet opening 22 is above the upper edge 17 of the cap 11 is completely sealed against the upper edge 17, so that dust or other dirt particles have no possibility to penetrate between the cap lid 19 and the cap 11 into the recess 16.
  • the all-round tight contact of the outer surface of the lid edge 20 in the concave recess 26 of the recess 16 also ensures that dirt particles, which should have attached to the outer surface 20a of its edge 20 in the open position of the cap lid, in the region of the upper edge 17 of the recess 16 are stripped again when the cap lid 19 is closed.
  • the circumferential lid edge 20 is designed to be elastic in the radial direction and rests with radial prestress on the inner wall 18 of the recess 16 of the container cap, while the cap wall 18 surrounding the recess 16 is essentially rigid.
  • This elastic prestressing of the lid edge 20 with respect to the recess 26 of the recess 16 therefore achieves a secure sealing of the same with respect to the recess 26 extending over the entire circumference of the lid edge 20. Since an undercut inevitably results from the spherical cap-shaped recess 26 of the inner wall 18 of the recess 16, the captive nature of the cap lid 19 inserted into the container cap is ensured while at the same time ensuring its pivotability and its sealing with respect to the container cap.
  • the frictional resistance between the cap lid and the container cap is essentially always the same, so that irritations due to changing frictional resistance are excluded for the user.
  • support and pivoting means are attached to the underside of the cap cover 19, by means of which the cap cover cannot be rotated in the closure cap 11 relative to the bottom of the recess 16 formed by the cover plate 14, but is pivotally supported.
  • these support and pivoting means consist of a pair of support cheeks 23a, 23b, which extend parallel to the pivoting plane of the cap cover 19 at a distance from one another and are supported on the bottom of the recess 16 formed by the cover plate 14.
  • the free ends 23c of the support cheeks 23a, 23b resting on the cover plate 14 are staggered in a circular arc.
  • the center of curvature of the circular free ends 23c of the support cheeks 23a, 23b lies on the pivot axis y of the cap cover 19, the support point between the arcuate end 23c of the support cheeks 23a, 23b on the flat top of the cover plate 14 in each position of the cap cover 19 on the middle Cross-sectional plane of the closure device lies, which is indicated in Fig. 2 by the section line II. It can also be seen from FIG.
  • the support cheeks 23a, 23b extend with a larger part 23d from the underside of the side of the cap cover which is used to actuate the cap cover, thus facing away from the outlet opening 22, in the direction of the cover plate 14, but also with a smaller one Part 23e are connected to the underside of the cap cover 19 facing the outlet opening 22. Therefore, the support cheeks 23a, 23b intersect the cross-sectional plane extending through the pivot axis y of the cap cover 19 at right angles. At the same time, it can be seen that the top of the cap cover 19 and the lower edge of the circumferential, downward-facing cover edge 20 lie in planes which are arranged symmetrically to the pivot axis y, i.e. run at equal distances from each other parallel to each other.
  • guide means are provided for the support cheeks 23a, 23b of the cap cover 19.
  • these guide means consist of a pair of guide ribs 24a, 24b, which is arranged parallel to the pivoting plane of the cap cover 19.
  • One of the two guide ribs 24a, 24b is arranged close to one of the mutually opposite inner sides of the two support cheeks 23a, 23b.
  • the support cheeks 23a, 23b and the guide ribs 24a, 24b are arranged on diametrically opposite sides of the passage opening 15.
  • the main surfaces of the guide ribs 24a, 24b, which extend parallel to the pivoting plane of the cap cover 19, are trapezoidal, as shown in FIG. 2, and are narrower in the direction of the cap cover 19, the side of the guide ribs forming the smaller angle with the cover plate 14 being on the the actuation of the cap cover 19 serving side of the cover plate 14 of the recess 16.
  • the guide ribs and support cheeks form a guiding channel , by which an effective deflection of the flowable material entering through the passage opening 15 from the container into the recess 16 to the outlet opening 22 is achieved.
  • the spherical surface-shaped inner wall of the recess 16 extends to the flat upper side of the cover plate 14 which forms the bottom of the recess.
  • FIG. 1 shows that the flat cover plate extends from the outer surfaces of the guide ribs 24a, 24b extends on sections 14a, 14b over a width up to the transition region to the spherical surface-shaped inner wall, which corresponds approximately to the width of the support cheeks 23a, 23b.
  • the outer surfaces of the guide ribs 24a, 24b with the opposite spherical surface-shaped inner wall of the recess 16 form a groove-like guide tapering towards the point of support cheeks 23a, 23b on the cover plate 14, as shown in FIG.
  • a rib-shaped stop 25 for the lower edge of the lid edge 20 below the outlet opening 22 is further provided in the region of the side facing the outlet opening 22 when the cap lid 19 is in the closed position shown in FIG. 2.
  • the opening position of the cap lid 19, which is not shown in the drawings, is limited by the longer narrow side 24c of the trapezoidal support jaws associated with the actuating side of the cap lid 19, against which the lower edge of the lid edge 20 rests in the open position in such a way that the outlet opening 22 coincides with it its lower edge is just above the upper edge 17 of the cap 11.
  • This upper edge 17 of the closure cap 11 extends over approximately 180 ° on the side of the cap cover facing the outlet opening 22 at the same height and is cut out to one level up to the upper edge designated 17a on the rear side of the cap cover which serves to operate the cap cover , which is slightly larger than the height of the free cross section of the outlet opening 22. This also gives a certain limit to the pivotability of the cap cover when it is actuated while at the same time maintaining the seal between the cap cover and the spherical inner wall of the closure cap.
  • this first embodiment, shown in FIGS. 1 and 2 of a two-part closure device made of plastic is extremely simple in terms of construction and consequently requires only a minimal outlay on tool costs with the least possible use of material and, with a pleasing appearance, a complete sealing of the contact surfaces between the cap lid 19 and the cap 11 allows for easy operability of the cap lid.
  • a second embodiment of a closure device 100 for a container, not shown, preferably an elastic plastic container is shown.
  • This closure device corresponds in terms of essential features of the invention to the first embodiment, so that the differences are mainly dealt with below to avoid repetitions.
  • the closure device 100 consists of a closure cap 102, the inner wall of which is provided with longitudinal ribs 130 which, together with latching projections 131 arranged at a distance below it and at angular intervals from one another, enable the closure cap to be pressed onto the neck surrounding the opening of the container (not shown).
  • a screw connection between the closure cap and the container neck can naturally also be provided here, as in the embodiment in FIGS. 1 and 2.
  • annular groove 129 is provided in the closure cap 102, which is formed by the inner wall of the closure cap and by a cover plate 120 projecting downwards and sealingly engages as a plug 128 in the opening of the container.
  • the cover plate 120 there is a passage opening 119, above which a tubular outlet connection 103 for the flowable material extends in the container, the outlet connection 103 having an upper outlet opening 121 is provided.
  • a recess 109 At the upper end of the cap 102 there is a recess 109, the bottom of which is formed by the cover plate 120.
  • the recess 109 is closed at its upper end by a cap cover 104.
  • the cap cover is provided on its outer circumference with a cover edge 118 projecting into the recess 109, the outer surface 106 of which, as in the embodiment according to FIGS. 1 and 2, is convexly curved according to a central disk-shaped spherical surface cutout and in a concave inner recess 107 corresponding to this convex curvature is tightly guided in the inner wall of the cap 102.
  • the radius of the convex circumferential outer surface 106 corresponds approximately to its distance from an imaginary pivot axis 108 of the cap cover 104.
  • the curved outer surface 106 or the corresponding recess 107 correspond to a cap in the case of a cap cover 104 which is round in plan view.
  • the pivot axis 108 thus extends at right angles to the longitudinal axis of a lateral outlet opening 105 in the edge 118 of the cap cover 104 and extends around two diametrically opposite, parallel support cheeks 113, 114.
  • These support cheeks 113, 114 are vertically downward from the underside of the cap cover 104 and at a distance parallel to each other and are pivotally supported with their arcuate ends 115 in a correspondingly shaped recess 116 in the top of guide ribs 144a, 144b, which are symmetrical to the main longitudinal axis of the closure device from the cover plate 120 at a distance from the inner wall 117 of the recess 109 upright.
  • the radius of the circular-arc-shaped depressions 116 and the lower circular-arc-shaped ends 115 of the support cheeks 113, 114 corresponds approximately to the distance that they occupy the pivot axis 108.
  • a sealing cap 122 which sealingly engages over the upper outlet opening 121 of the tubular outlet connector 103 when the cap cover 104 is in the closed position shown in FIGS. 3 and 5.
  • the underside of the cap lid 104 is concentric within the sealing cap 122 and at a radial distance therefrom with a stopper 123 which tightly engages in the opening 121 of the outlet connector 103, while the outlet connector with its edge surrounding the outlet opening 121 into one of the sealing cap 122 and engages the plug 123 formed annular groove 124.
  • the annular groove 124 is surrounded by a cap jacket 125 which tightly engages over the outlet connection 103.
  • the cap jacket 125 is connected to the outlet opening 105 in the lid edge 118 via a radial overflow opening 126 and an adjoining radial overflow channel 127 on the underside of the cap cover plate 104.
  • the overflow opening 126 is closed in the closed position of the cap cover 104 by the outlet connector 103 which engages in the annular groove 124 between the stopper 123 and the cap jacket 125.
  • the outlet connection opens the overflow opening 126 for connection to the outlet connection 103 and the interior of the container.
  • a stop rib 111 protrudes from the cover plate 120 and the inner wall 110 on the side opposite the outlet opening 105 into the recess 109 and is provided with a protruding nose 112 at its inner end, so that, as FIGS. 3 and 4 show, a transverse groove is formed as a support for the lower edge of the lid edge 118 when the cap lid 104 is in the open position shown in FIG. 4.
  • the top of the cap lid 104 used for actuation is provided with a recess 132 for the finger of an operator in order to press the cap lid 104 down and to pivot it into the open position shown in FIG. 4.
  • the cap cover 104 is guided correctly in the spherical recess 107 in the inner wall 117 of the recess 109 and is centered relative to the pivot axis 108 by the circular bearing surfaces of the ends 115 or recesses 116 and is secured against rotation about the vertical main axis of the closure device.
  • the outlet opening 121 of the outlet port 103 is released, so that, for. B.
  • the cap cover 104 seals tightly against the spherical cap-shaped recess 107 of the inner wall 117 of the closure cap 102 even in the open state, so that the cap cover 104 is also protected against the ingress of contaminants from the outside during the subsequent pivoting movement into the closed position. This securing is ensured on the entire circumference of the cap cover in relation to the inner wall of the closure cap 102 in every operating position.
  • the wall of the two-part plastic closure cap 102 is also cut deeper here on the side opposite the outlet opening 105.
  • the upper edge of the closure cap 102 on the side of the pivot axis 108 opposite the outlet opening 105 is chamfered at an acute angle to the horizontal, so that, as the figures show, the circumference in both the open and the closed positions of the cap cover 104 Surface 106 of the same is always sealingly engaged with the inner wall of the cap, but pressing down this side of the cap lid 104 is facilitated.
  • the container cap is flush with the upper edge of the upper edge of the recess 109 in the closed position at the same height.
  • the lid edge 118 lies in an evenly sealing manner on its entire circumferential surface in every pivoted position with elastic radial bracing in the concave, undercut inner wall 117.
  • the frictional resistance that must be overcome to actuate the cap cover is therefore essentially always the same.

Abstract

A closure device for a container is described consisting of a cap for a container and a cap lid which is pivotably mounted on the cap. The cap lid has an encircling circumferential border which projects downwardly from the upper surface of the lid. The border is a curved spherical surface segment and the cap defines a cup-shaped recess which is complementary in shape to facilitate sealing. The center of curvature of the spherical surface segment is located on the pivot axis of the cap lid. A pair of supporting plates are formed on a base portion of the cap and are guided in the pivot plane of the cap lid by parallel guide ribs so that the cap is non-rotatably mounted and pivotably mounted reliably in the recess and is sealed in every operating position relative to the container cap.

Description

Die Erfindung betrifft eine Verschlußvorrichtung aus Kunststoff für einen Behälter für fließfähiges Gut, auf dem eine eine Deckplatte mit einem Durchlaß aufweisende Kappe angebracht ist, die eine nach oben offene Aussparung aufweist, in der ein Kappendeckel als Verschlußorgan angeordnet ist, an dessen Unterseite Stütz- und Schwenkmittel angebracht sind, mittels welcher der Kappendeckel um die Mittellängsachse der Verschlußvorrichtung unverdrehbar und um eine Achse senkrecht zur Mittellängsachse schwenkbar abgestützt ist, und wobei in der Aussparung Anschläge vorgesehen sind, an denen der Kappendeckel in seiner Schließ- bzw. Öffnungsstellung anliegt, dessen eine Seite als Betätigungsglied dient und dessen andere Seite mit einer seitlich mündenden Auslaßöffnung versehen ist, die in der Schließstellung des Kappendeckels durch den oberen Rand der Aussparung in der Kappe unter Vorspannung verschlossen ist, wobei die zur Betätigung dienende Seite des Kappendeckels in Schließstellung sich im Abstand über der den Boden der Aussparung bildenden Deckplatte befindet.The invention relates to a closure device made of plastic for a container for flowable goods, on which a cover plate with a passage having a cap is attached, which has an upwardly open recess in which a cap cover is arranged as a closure member, on the underside of which support and Pivoting means are attached, by means of which the cap cover is supported non-rotatably about the central longitudinal axis of the closure device and can be pivoted about an axis perpendicular to the central longitudinal axis, and wherein stops are provided in the recess against which the cap cover rests in its closed or open position, one side of which serves as an actuator and the other side is provided with a laterally opening outlet opening, which is closed in the closed position of the cap lid by the upper edge of the recess in the cap under tension, the side of the cap lid serving for actuation in Sc locking position is at a distance above the cover plate forming the bottom of the recess.

Verschlußvorrichtungen der vorgenannten bekannten Gattung werden entweder mittels eines Schraubgewindes auf die Tülle oder den Hals des Behälters aufgeschraubt oder durch einen Rastverschluß mit dem Behälterhals verbunden, wobei Rastnocken entsprechende Vorsprünge auf der Außenseite des Halses des Behälters untergreifen, so daß die Verschlußvorrichtung dicht auf dem Behälter aufsitzt. Das mit Hilfe derartiger Verschlußvorrichtungen abgebbare fließfähige Gut kann aus Flüssigkeiten oder kleinen körnigen bzw. kugelförmigen Teilchen bestehen, wie z. B. Flüssigkeiten für die Körperpflege, pharmazeutische Wirkstoffe enthaltenden Pillen, kornartigen, getrockneten oder flüssigen Gewürzen oder Lebensmitteln, wie z. B. Ketchup. Vor allem bei flüssigem Gut muß vermieden werden, daß das flüssige Gut von außen vor seiner Verwendung mit fremden Stoffen in Berührung kommt und verunreinigt wird. Derartige Verschlußvorrichtungen müssen daher eine sichere Abdichtung des Behälterinhafts nach außen bei gefälligem Aussehen gewähleisten. Ferner sind derartige Verschlußvorrichtungen Massenartikel, deren wirtschaftliche Herstellung gewährleistet sein muß.Closure devices of the aforementioned known type are either screwed onto the spout or the neck of the container by means of a screw thread or connected to the container neck by means of a snap lock, with catch cams engaging under corresponding projections on the outside of the neck of the container so that the closure device sits tightly on the container . The flowable material which can be dispensed with the aid of such closure devices can consist of liquids or small granular or spherical particles, such as, for. As liquids for personal care, pills containing pharmaceutical active ingredients, granular, dried or liquid spices or foods, such as. B. Ketchup. In the case of liquid goods in particular, it must be avoided that the liquid goods come into contact with foreign substances from the outside and become contaminated before they are used. Such closure devices must therefore ensure a secure sealing of the container contents to the outside with a pleasing appearance. Furthermore, such closure devices are mass-produced articles, the economical manufacture of which must be ensured.

Aus dem U.S.-Patent 3 516 581 (Micallef) ist eine Verschlußvorrichtung bekannt, die aus einem Kipphebel besteht, der in einer oberen Aussparung einer Kappe im Abstand über der Deckplatte der Kappe kippbar gelagert ist. Die seitliche Austrittsöffnung in diesem Hebel ist über einen sich in diesem Hebel teilweise erstreckenden Kanal in der Offenstellung des Kipphebels mit einem rohrförmigen Austrittsstutzen verbunden, der von der Deckplatte der Kappe aufragt und den Durchlaß für den Dehälterinhalt bildet. Dieser Austrittsstutzen wird durch eine Dichtkappe mit einem darin angeordneten Stopfen an der Unterseite des Kipphebels in dessen Schließstellung verschlossen. Der Kipphebel ist mit seitlichen abgerundeten Vorsprüngen versehen, die in entsprechende seitliche Ausnehmungen in den sich parallel gegenüberliegenden Seitenwänden der Aussparung eingreifen und die Schwenkachse für den Kipphebel bilden. Der Hebelarm zur Betätigung des Kipphebels durch Ausübung eines abwärts gerichteten Drucks mittels des Fingers der Bedienungsperson ist kürzer als der der Auslaßöffnung zugeordnete andere Hebelarm des Kipphebels, so daß dadurch die auf den Kipphebel auszuübenden Kräfte unnötig hoch sind. Ferner ist nicht sichergestellt, daß Verunreinigungen in die Aussparung der Kappe unter dem hebelartigen Verschluß und infolgedessen in Berührung mit dem Behälterinhalt in der Offenstellung des Verschlusses sowie gegebenenfalls sogar in den Behälter selbst gelangen und/oder die ungehinderte Betätigung des Verschlusses behindern können. Schließlich ist die Form des Verschlusses außerordentlich kompliziert, so daß verhältnismäßig hohe Werkzeugkosten für die Herstellung des Verschlusses entstehen. Ein weiterer Nachteil dieses bekannten Verschlusses liegt darin, daß die Vorspannung zur Abdichtung der Auslaßöffnung in der Schließstellung des Verschlusses nur dadurch erzielt werden kann, daß der Abstand der Auslaßöffnung von der senkrechten Mittelachse der an der Unterseite des hebelartigen Verschlusses vorgesehenen Dichtkappe für den Austrittsstutzen etwas größer bemessen ist als der Abstand dieser Mittelachse von der der Auslaßöffnung in der Schließstellung gegenüberliegenden Innenwand der Aussparung in der Kappe. Dadurch tritt eine Verspannung des hebelartigen Verschlusses in der Schließstellung zwischen der Innenwand der Aussparung im Bereich der Auslaßöffnung des hebelartigen Verschlusses und dem Austrittsstutzen über die Dichtkappe an der Unterseite des Verschlusses auf, die zu einer erhöhten Reibung zwischen dem Verschluß und den zugehörigen Teilen der Kappe führt und damit das Verschwenken des hebelartigen Verschlusses in die Offenstellung erheblich erschwert.From US Patent 3,516,581 (Micallef) a closure device is known which consists of a rocker arm which is pivotably mounted in an upper recess of a cap at a distance above the cover plate of the cap. The lateral outlet opening in this lever is connected via a channel extending partially in this lever in the open position of the rocker arm to a tubular outlet nozzle which projects from the cover plate of the cap and forms the passage for the contents of the container. This outlet port is closed by a sealing cap with a plug arranged in it on the underside of the rocker arm in its closed position. The rocker arm is provided with rounded projections on the sides which engage in corresponding lateral recesses in the parallel opposite side walls of the recess and form the pivot axis for the rocker arm. The lever arm for actuating the rocker arm by exerting a downward pressure by means of the operator's finger is shorter than the other lever arm of the rocker arm associated with the outlet opening, so that the forces to be exerted on the rocker arm are unnecessarily high. Furthermore, it is not ensured that impurities can get into the recess in the cap under the lever-like closure and, as a result, come into contact with the contents of the container in the open position of the closure and possibly even into the container itself and / or hinder the unimpeded actuation of the closure. Finally, the shape of the closure is extremely complicated, so that there are relatively high tool costs for the production of the closure. Another disadvantage of this known closure is that the pretension for sealing the outlet opening in the closed position of the closure can only be achieved in that the distance of the outlet opening from the vertical central axis of the sealing cap provided on the underside of the lever-like closure for the outlet nozzle is somewhat larger is dimensioned as the distance of this central axis from the inner wall of the recess in the cap opposite the outlet opening in the closed position. As a result, tensioning of the lever-like closure occurs in the closed position between the inner wall of the recess in the region of the outlet opening of the lever-like closure and the outlet connection via the sealing cap on the underside of the closure, which leads to increased friction between the closure and the associated parts of the cap and thus considerably more difficult to pivot the lever-like closure into the open position.

Aus der US-A-3 734 359 ist eine Verschlußkappe für Flaschen für die gesteuerte Abgabe von Flüssigkeiten bekannt, die aus zwei aus Kunststoff geformten Teilen besteht, von denen der eine auf der Flasche dicht angebracht ist und der andere einen in der Kappe schwenkbar angeordneten Deckel bildet, der mit Schnappwirkung in die geschlossene oder offene Stellung mittels Fingerdruck auf den rückwärtigen Teil des Deckels gebracht werden kann. Eine Öffnung in der Kappe steht mit einer Auslaßöffnung im Deckel in Verbindung, wenn dieser sich in der offenen Stellung befindet. Die Verbindung ist unterbrochen, wenn der Deckel geschlossen ist. Der Deckel ist an der Unterseite mit Stütz- und Schwenkmitteln versehen, mittels welcher der Kappendeckel um die Mittellängsachse der Verschlußvorrichtung unverdrehbar, jedoch um eine Achse senkrecht zur Mittellängsachse schwenkbar ist. Dies wird konstruktiv dadurch erreicht, daß die auf der Flasche sitzende Kappe eine Vertiefung in der Oberseite derselben zur Aufnahme des Kappendeckels aufweist. Ein Paar sich parallel gegenüberliegender senkrechter Wandteile in der Vertiefung der Kappe weisen U-förmige Lagerflächen und bogenförmige Rippen auf, deren Krümmungsmittelpunkt die Achse der U-förmigen Lagerfläche ist. Bogenförmige Segmente in Verbindung mit den Lagerflächen bilden die Schwenkvorrichtung zur schwenkbaren Aufnahme und Halterung innerhalb der Vertiefung der Kappe, wenn das Verschlußorgan in die Kappe eingesetzt ist. Das Verschlußorgan weist einen sich abwärts erstreckenden mittleren Teil mit einem Paar bogenförmiger Lagerteile auf, die an gegenüberliegenden Seiten angeformt sind sowie ein Paar axialer Wellenstümpfe. Wird das Verschlußorgan in die Kappe durch Ausübung einer senkrecht gerichteten Kraft in die Kappe eingesetzt, greifen die abgerundeten unteren Ränder der bogenförmigen Lagerorgane in die abgerundeten Innenränder der bogenförmigen Rippen der Kappe ein und drücken die senkrechten Wandteile der Kappe elastisch nach außen und kommen an den unteren Rändern der bogenförmigen Rippen zur Anlage, die das Verschlußorgan sicher schwenkbar halten, wobei die Wellenstümpfe fest in den Lageransätzen der Kappe sitzen.From US-A-3 734 359 a closure cap for bottles for the controlled dispensing of liquids is known, which consists of two parts molded from plastic, one of which is tightly attached to the bottle and the other one pivotably arranged in the cap Forms lid, which can be snapped into the closed or open position by finger pressure on the rear part of the lid. An opening in the cap communicates with an outlet opening in the lid when it is in the open position. The connection is broken when the lid is closed. The cover is provided on the underside with support and pivoting means, by means of which the cap cover cannot be rotated about the central longitudinal axis of the closure device, but pivots about an axis perpendicular to the central longitudinal axis is cash. This is achieved structurally in that the cap sitting on the bottle has a recess in the top thereof for receiving the cap lid. A pair of mutually opposed vertical wall portions in the recess of the cap have U-shaped bearing surfaces and arcuate ribs, the center of curvature of which is the axis of the U-shaped bearing surface. Arc-shaped segments in connection with the bearing surfaces form the pivoting device for pivotally receiving and holding within the recess of the cap when the closure member is inserted into the cap. The closure member has a downwardly extending central part with a pair of arcuate bearing parts which are formed on opposite sides and a pair of axial stub shafts. If the closure member is inserted into the cap by exerting a vertical force in the cap, the rounded lower edges of the arcuate bearing members engage in the rounded inner edges of the arcuate ribs of the cap and press the vertical wall parts of the cap elastically outwards and come to the lower Edges of the arcuate ribs to the system, which hold the closure member securely pivoted, the stub shafts sitting firmly in the bearing approaches of the cap.

Demgegenüber liegt der Erfindung die Aufgabe zugrunde, eine Verschlußvorrichtung der eingangs erwähnten bekannten Gattung so zu verbessern, daß das Verschlußorgan das Eindringen von Verunreinigungen in den Raum zwischen dem Verschlußorgan und der Kappe in jeder Betriebsstellung des Verschlußorgans sicher verhindert und eine leichte Betätigung des Verschlußorgans bei stets sicherer Abdichtung der Auslaßöffnung in der Schließstellung gewährleistet ist. Darüber hinaus soll die Verschlußvorrichtung in ihrem Aufbau möglichst einfach sein, mit einer geringstmöglichen Menge an Werkstoff herstellbar sein und ein gefälliges Aussehen haben. Schließlich soll die Verschlußvorrichtung jederzeit betriebssicher sein.In contrast, the invention has for its object to improve a closure device of the aforementioned type in such a way that the closure member securely prevents the ingress of contaminants into the space between the closure member and the cap in any operating position of the closure member and easy actuation of the closure member at all times secure sealing of the outlet opening is ensured in the closed position. In addition, the construction of the closure device should be as simple as possible, be able to be produced with the least possible amount of material and have a pleasing appearance. After all, the locking device should always be reliable.

Die Erfindung löst diese Aufgabe durch die Kombination der Merkmale, daß der Kappendekkel an seinem Umfang einen umlaufenden Rand aufweist, der nach unten vorsteht und in die offene Aussparung der Kappe hineinragt, daß die Außenfläche des Randes des Kappendeckels die Form eines scheibenförmigen mittleren Kugelflächenausschnitts aufweist, dessen Krümmungsmittelpunkt in halber Höhe des scheibenförmigen Kugelflächenausschnitts auf der Schwenkachse des Kappendeckels liegt, daß die seitliche Auslaßöffnung sich unmittelbar unter der Unterseite des Kappendeckels im wesentlichen in der oberen Hälfte der Höhe des Deckelrandes befindet, daß der umlaufende Deckelrand in radialer Richtung elastisch ausgebildet ist, daß die Kappenwand am oberen Rand der Aussparung mit einer umlaufenden, im wesentlichen dem Deckelrand entsprechend kalottenförmig gestalteten, inneren Ausnehmung versehen ist, daß der Kappendeckel mit seinem Rand in der entsprechenden, kalottenförmigen Ausnehmung der Kappenwand mit Schnappsitz unter radialer Vorspannung abdichtend eingesetzt und schwenkbar geführt ist.The invention solves this problem by combining the features that the cap cover has a circumferential edge on its circumference, which projects downward and protrudes into the open recess of the cap, that the outer surface of the edge of the cap cover has the shape of a disk-shaped central spherical surface section, whose center of curvature is halfway up the disc-shaped spherical surface section on the pivot axis of the cap lid, that the lateral outlet opening is located directly below the underside of the cap lid, essentially in the upper half of the height of the lid rim, that the circumferential lid rim is elastic in the radial direction, that the cap wall at the upper edge of the recess is provided with a circumferential inner recess which is essentially dome-shaped and corresponding to the lid edge, so that the edge of the cap lid is in the corresponding dome-shaped recess d he cap wall is inserted with a snap fit under radial preload and is pivotally guided.

Nachstehend ist die Erfindung anhand der schematischen Zeichnung von Ausführungsbeispielen näher erläutert. Es zeigen:

  • Fig. 1 einen sich durch die Hauptquerschnittsebene erstreckenden Schnitt nach Linie I - 1 einer ersten Ausführungsform einer Verschlußvorrichtung gemäß der Erfindung in Fig. 2;
  • Fig. 2 einen durch die Mittellängsebene sich erstreckenden Schnitt nach Linie 11 - II in Fig. 1;
  • Fig. 3 eine andere Ausführungsform einer Verschlußvorrichtung gemäß der Erfindung in einem Mittellängsschnitt nach Linie 111 - 111 in Fig. 5 in Schließstellung;
  • Fig. 4 die Verschlußvorrichtunggemäß Fig. 3 in Öffnungsstellung, und
  • Fig. 5 die Ansicht eines mittleren Längsquerschnitts gemäß Linie V - V in Fig. 3.
The invention is explained in more detail below with reference to the schematic drawing of exemplary embodiments. Show it:
  • 1 shows a section extending through the main cross-sectional plane along line I-1 of a first embodiment of a closure device according to the invention in FIG. 2;
  • 2 shows a section extending through the central longitudinal plane along line 11 - II in FIG. 1;
  • 3 shows another embodiment of a closure device according to the invention in a central longitudinal section along line 111-111 in FIG. 5 in the closed position;
  • Fig. 4 shows the closure device according to Fig. 3 in the open position, and
  • 5 shows the view of a central longitudinal cross section along line V - V in FIG. 3.

In den Fig. sind Verschlußvorrichtungen veranschaulicht, die, wie an sich bekannt, mittels eines Gewindes oder mittels einer Rastvorrichtung auf den die Öffnung umgebenden Hals eines nicht gezeigten Behälters aufgeschraubt oder aufgesetzt werden können, der vorzugsweise aus Kunststoff, aber auch aus Glas oder Metall bestehen kann. Der Behälter enthält ein fließfähiges Gut, wie z. B. flüssige, cremeartige, granulierte, pulverartige oder ähnliche Substanzen, die bei Tisch, im Haushalt oder für kosmetische oder industrielle Zwecke, Verwendung finden.In the figures, closure devices are illustrated which, as is known per se, can be screwed or placed onto the neck of a container (not shown) surrounding the opening by means of a thread or by means of a latching device, which preferably consist of plastic, but also of glass or metal can. The container contains a flowable material, such as. B. liquid, cream-like, granulated, powder-like or similar substances that are used at the table, in the household or for cosmetic or industrial purposes.

In den Fig. 1 und 2 ist eine Verschlußvorrichtung 10 gezeigt, deren Verschlußkappe 11 mit einem koaxialen Befestigungsstutzen 12 versehen ist, welcher mit einem Innengewinde 13 auf ein entsprechendes Außengewinde auf dem Behälterhals dicht aufgeschraubt werden kann. Daneben besteht natürlich die Möglichkeit, bei aus Kunststoff hergestellten Behältern gegebenenfalls die Verschlußkappe ganzteilig mit dem Behälter aus Kunststoff gleichzeitig herzustellen oder die Verschlußkappe in anderer Weise mit dem Behälter fest zu verbinden.1 and 2, a closure device 10 is shown, the closure cap 11 is provided with a coaxial fastening socket 12, which can be screwed tightly with an internal thread 13 onto a corresponding external thread on the container neck. In addition, there is of course the possibility, in the case of containers made of plastic, to produce the closure cap in one piece with the plastic container at the same time, or to firmly connect the closure cap to the container in another way.

Die Verschlußkappe 11 weist eine Deckplatte 14 auf, welche auf der Öffnung des Behälterhalses dicht aufliegt. Die Deckplatte 14 weist in ihrer Mitte eine Durchlaßöffnung 15 auf, durch deren Mitte sich die Hauptachse x der Verschlußvorrichtung erstreckt und durch die der Behälterinhalt in eine über der Deckplatte 14 liegende Aussparung 16 in der Verschlußkappe 11 übertreten kann. Die sich von der Deckplatte 14 zum oberen Rand 17 der Aussparung 16 erstreckende Kappenwand 18 derselben weist eine innere kugelkalottenförmig konkav gekrümmte hinterschnittene Ausnehmung 26 auf, die somit dem mittleren scheibenförmigen Ausschnitt einer Kugelfläche entspricht, dessen Symmetrieachse die Hauptachse x der Verschlußvorrichtung ist.The closure cap 11 has a cover plate 14 which lies tightly on the opening of the neck of the container. The cover plate 14 has in its center a passage opening 15, through the center of which the main axis x of the closure device extends and through which the container contents can pass into a recess 16 in the closure cap 11 lying above the cover plate 14. The cap wall 18, which extends from the cover plate 14 to the upper edge 17 of the recess 16, has an inner undercut recess 26 which is concavely curved in the shape of a spherical cap and which thus corresponds to the central disc-shaped cutout of a spherical surface, whose axis of symmetry is the main axis x of the closure device.

In diese Kugelflächenausschnittförmige Ausnehmung 26 der Aussparung 16 ist im Bereich ihres oberen Randes 17 ein Kappendeckel 19 eingesetzt, der mit einem sich in die Aussparung erstreckenden umlaufenden Deckelrand 20 versehen ist.In this recess 26, which is in the form of a spherical surface, of the recess 16, a cap cover 19 is inserted in the region of its upper edge 17 and is provided with a circumferential cover edge 20 which extends into the recess.

Die Außenfläche 20a des Deckelrandes 20 des Kappendeckeis 19 entspricht der Form eines scheibenförmigen, mittleren Kugelflächenausschnitts, dessen Krümmungsmittelpunkt 21 etwa in halber Höhe des scheibenförmigen Kugelflächenausschnitts auf einer Schwenkachse y des Kappendeckeis 19 liegt und dessen Krümmungsradius etwa demjenigen der kugelausschnittförmigen Ausnehmung 26 entspricht.The outer surface 20a of the lid edge 20 of the cap cover 19 corresponds to the shape of a disk-shaped, central spherical surface section, the center of curvature 21 of which is approximately half the height of the disk-shaped spherical surface section on a pivot axis y of the cap cover 19 and whose radius of curvature corresponds approximately to that of the spherical cutout 26.

In dem Deckelrand 20 befindet sich eine seitliche Auslaßöffnung 22 unmittelbar unterhalb der Unterseite des Kappendeckeis 19 im wesentlichen in der oberen Hälfte der Höhe des Deckelrandes 20. Dadurch ist gewährleistet, daß der Kappendeckel auch in seiner nicht dargestellten Öffnungsstellung, in der die Auslaßöffnung 22 sich oberhalb des oberen Randes 17 der Verschlußkappe 11 befindet, vollständig gegenüber dem oberen Rand 17 abgedichtet ist, so daß Staub oder andere Schmutzteilchen keine Möglichkeit haben, zwischen dem Kappendeckel 19 und der Verschlußkappe 11 in die Aussparung 16 einzudringen. Die allseits dichte Anlage der Außenfläche des Deckelrandes 20 in der konkaven Ausnehmung 26 der Aussparung 16 stellt auch sicher, daß Schmutzteilchen, die sich in der Öffnungsstellung des Kappendeckels an die Außenfläche 20a seines Randes 20 angesetzt haben sollten, im Bereich des oberen Randes 17 der Aussparung 16 wieder beim Schließen des Kappendeckels 19 abgestreift werden. Hierzu trägt wesentlich bei, daß der umlaufende Deckelrand 20 in radialer Richtung elastisch ausgebildet ist und mit radialer Vorspannung an der Innenwand 18 der Aussparung 16 der Behäfterkappe anliegt, während die die Aussparung 16 umgebende Kappenwand 18 im wesentlichen starr ausgebildet ist. Durch diese elastische Vorspannung des Deckelrandes 20 gegenüber der Ausnehmung 26 der Aussparung 16 wird daher eine sich über den gesamten Umfang des Deckelrandes 20 erstrekkende sichere Abdichtung desselben gegenüber der Ausnehmung 26 erreicht. Da sich aus der kugelkalottenförmigen Ausnehmung 26 der Innenwand 18 der Aussparung 16 zwangsläufig eine Hinterschneidung ergibt, ist die Unverlierbarkeit des in die Behälterkappe eingesetzten Kappendeckels 19 unter gleichzeitiger Gewährleistung seiner Schwenkbarkeit und seiner Abdichtung gegenüber der Behälterkappe gewährleistet. Der Reibungswiderstand zwischen Kappendeckel und Behätterkappe ist im wesentlichen stets derselbe, so daß Irritationen durch wechselnden Reibungswiderstand für den Benutzer ausgeschlossen sind.In the lid edge 20 there is a lateral outlet opening 22 directly below the underside of the cap cover 19 substantially in the upper half of the height of the lid edge 20. This ensures that the cap cover is also in its open position, not shown, in which the outlet opening 22 is above the upper edge 17 of the cap 11 is completely sealed against the upper edge 17, so that dust or other dirt particles have no possibility to penetrate between the cap lid 19 and the cap 11 into the recess 16. The all-round tight contact of the outer surface of the lid edge 20 in the concave recess 26 of the recess 16 also ensures that dirt particles, which should have attached to the outer surface 20a of its edge 20 in the open position of the cap lid, in the region of the upper edge 17 of the recess 16 are stripped again when the cap lid 19 is closed. A major contributor to this is that the circumferential lid edge 20 is designed to be elastic in the radial direction and rests with radial prestress on the inner wall 18 of the recess 16 of the container cap, while the cap wall 18 surrounding the recess 16 is essentially rigid. This elastic prestressing of the lid edge 20 with respect to the recess 26 of the recess 16 therefore achieves a secure sealing of the same with respect to the recess 26 extending over the entire circumference of the lid edge 20. Since an undercut inevitably results from the spherical cap-shaped recess 26 of the inner wall 18 of the recess 16, the captive nature of the cap lid 19 inserted into the container cap is ensured while at the same time ensuring its pivotability and its sealing with respect to the container cap. The frictional resistance between the cap lid and the container cap is essentially always the same, so that irritations due to changing frictional resistance are excluded for the user.

Um die schwenkbare Führung des Kappendeckels 19 in der kugelkalottenförmigen Innenwand der Aussparung 16 sicherzustellen, sind an der Unterseite des Kappendeckels 19 Stütz- und Schwenkmittel angebracht, mittels welcher der Kappendeckel gegenüber dem von der Deckplatte 14 gebildeten Boden der Aussparung 16 in der Verschlußkappe 11 unverdrehbar, aber schwenkbar abgestützt ist. Diese Stütz- und Schwenkmittel bestehen bei der Ausführungsform in Fig. 1 und 2 aus einem Paar Stützwangen 23a, 23b, die sich zur Schwenkebene des Kappendeckels 19 parallel im Abstand voneinander erstrecken und sich auf dem von der Decklatte 14 gebildeten Boden der Aussparung 16 abstützen.In order to ensure the pivotable guidance of the cap cover 19 in the spherical cap-shaped inner wall of the recess 16, support and pivoting means are attached to the underside of the cap cover 19, by means of which the cap cover cannot be rotated in the closure cap 11 relative to the bottom of the recess 16 formed by the cover plate 14, but is pivotally supported. In the embodiment in FIGS. 1 and 2, these support and pivoting means consist of a pair of support cheeks 23a, 23b, which extend parallel to the pivoting plane of the cap cover 19 at a distance from one another and are supported on the bottom of the recess 16 formed by the cover plate 14.

Wie aus Fig. 2 ersichtlich ist, sind die freien, auf der Deckplatte 14 aufliegenden Enden 23c der Stützwangen 23a, 23b kreisbogenförmig gestaftet. Der Krümmungsmittelpunkt der kreisförmigen freien Enden 23c der Stützwangen 23a, 23b liegt auf der Schwenkachse y des Kappendeckeis 19, wobei der Abstützpunkt zwischen dem bogenförmigen Ende 23c der Stützwangen 23a, 23b auf der ebenen Oberseite der Deckplatte 14 in jeder Stellung des Kappendeckeis 19 auf der mittleren Querschnittsebene der Verschlußvorrichtung liegt, die in Fig. 2 durch die Schnittlinie I-I angedeutet ist. Ferner ist aus Fig. 2 ersichtlich, daß sich die Stützwangen 23a, 23b mit einem größeren Teil 23d von der Unterseite der der Betätigung des Kappendeckels dienenden, der Auslaßöffnung 22 somit abgekehrten Seite des Kappendeckels in Richtung zur Deckplatte 14 erstrekken, aber auch mit einem kleineren Teil 23e mit der der Auslaßöffnung 22 zugekehrten Unterseite des Kappendeckels 19 verbunden sind. Daher schneiden die Stützwangen 23a, 23b die durch die Schwenkachse y des Kappendeckels 19 verlaufende Querschnittsebene rechtwinklig. Gleichzeitig ist erkennbar, daß die Oberseite des Kappendeckeis 19 und die untere Kante des umlaufenden, abwärts gerichteten Deckelrandes 20 in Ebenen liegen, die symmetrisch zur Schwenkachse y angeordnet sind, d.h. in jeweils gleichen Abständen von dieser parallel zueinander verlaufen.As can be seen from FIG. 2, the free ends 23c of the support cheeks 23a, 23b resting on the cover plate 14 are staggered in a circular arc. The center of curvature of the circular free ends 23c of the support cheeks 23a, 23b lies on the pivot axis y of the cap cover 19, the support point between the arcuate end 23c of the support cheeks 23a, 23b on the flat top of the cover plate 14 in each position of the cap cover 19 on the middle Cross-sectional plane of the closure device lies, which is indicated in Fig. 2 by the section line II. It can also be seen from FIG. 2 that the support cheeks 23a, 23b extend with a larger part 23d from the underside of the side of the cap cover which is used to actuate the cap cover, thus facing away from the outlet opening 22, in the direction of the cover plate 14, but also with a smaller one Part 23e are connected to the underside of the cap cover 19 facing the outlet opening 22. Therefore, the support cheeks 23a, 23b intersect the cross-sectional plane extending through the pivot axis y of the cap cover 19 at right angles. At the same time, it can be seen that the top of the cap cover 19 and the lower edge of the circumferential, downward-facing cover edge 20 lie in planes which are arranged symmetrically to the pivot axis y, i.e. run at equal distances from each other parallel to each other.

Um eine Ausrichtung des Kappendeckels 19 in seiner Schwenkebene, also die Unverdrehbarkeit des Kappendeckeis, zu gewährleisten, sind Führungsmittel für die Stützwangen 23a, 23b des Kappendeckels 19 vorgesehen. Diese Führungsmittel bestehen bei der Ausführungsform gemäß Fig. 1 und 2 aus einem Paar Führungsrippen 24a, 24b, das zur Schwenkebene des Kappendeckels 19 parallel angeordnet ist. Je eine der beiden Führungsrippen 24a, 24b ist jeweils dicht an einer der sich parallel gegenüberliegenden Innenseiten der beiden Stützwangen 23a, 23b angeordnet. Durch diese Anlage der Innenflächen der Stützwangen 23a, 23b an den Außenflächen der Führungsrippen 24a, 24b ist somit eine gleitende Führung der Stützwangen und damit des Kappendeckels 19 in der Schwenkebene desselben gewährleistet, die eine willkürliche oder unwillkürliche Verdrehung des Kappendeckels während des Gebrauchs der Verschlußvorrichtung sicher verhindert. Infolgedessen bleibt die Ausgießrichtung für das fließfähige Gut des Behälters stets erhalten, die gegebenenfalls durch geeignete Kennzeichnungen auf dem Kappendeckel 19 für die Bedienungsperson erkennbar ist.In order to ensure alignment of the cap cover 19 in its pivoting plane, that is to say the non-rotatability of the cap cover, guide means are provided for the support cheeks 23a, 23b of the cap cover 19. In the embodiment according to FIGS. 1 and 2, these guide means consist of a pair of guide ribs 24a, 24b, which is arranged parallel to the pivoting plane of the cap cover 19. One of the two guide ribs 24a, 24b is arranged close to one of the mutually opposite inner sides of the two support cheeks 23a, 23b. This arrangement of the inner surfaces of the support cheeks 23a, 23b on the outer surfaces of the guide ribs 24a, 24b thus ensures a sliding guidance of the support cheeks and thus of the cap cover 19 in the pivoting plane thereof, which ensures an arbitrary or involuntary rotation of the cap cover while the closure device is in use prevented. As a result, the pouring spout remains tion for the flowable material of the container always received, which can be recognized by suitable labels on the cap lid 19 for the operator.

Es ist ersichtlich, daß die Stützwangen 23a, 23b und die Führungsrippen 24a, 24b auf diametral gegenüberliegenden Seiten der Durchlaßöffnung 15 angeordnet sind. Die sich parallel zur Schwenkebene des Kappendeckels 19 erstrekkenden Hauptflächen der Führungsrippen 24a, 24b sind, wie Fig. 2 zeigt, trapezförmig gestaltet und werden in Richtung des Kappendeckels 19 schmaler, wobei die den kleineren Winkel mit der Deckplatte 14 bildende Seite der Führungsrippen sich auf der der Betätigung des Kappendeckels 19 dienenden Seite der Deckplatte 14 der Aussparung 16 befindet. Dadurch daß ein wesentlicher Teil des Querschnitts der Aussparung 16 in der Ebene der Führungsrippen 24a, 24b von diesen selbst sowie ein weiterer Teil des Querschnitts der Aussparung durch die Stützwangen 23a, 23b im Bereich ihrer Ebenen ausgefüllt wird, bilden die Führungsrippen und Stützwangen gewissermaßen einen Leitkanal, durch den eine wirksame Hinlenkung des durch die Durchlaßöffnung 15 aus dem Behälter in die Aussparung 16 eintretenden fließfähigen Gutes zur Auslaßöffnung 22 erreicht wird.It can be seen that the support cheeks 23a, 23b and the guide ribs 24a, 24b are arranged on diametrically opposite sides of the passage opening 15. The main surfaces of the guide ribs 24a, 24b, which extend parallel to the pivoting plane of the cap cover 19, are trapezoidal, as shown in FIG. 2, and are narrower in the direction of the cap cover 19, the side of the guide ribs forming the smaller angle with the cover plate 14 being on the the actuation of the cap cover 19 serving side of the cover plate 14 of the recess 16. Due to the fact that a substantial part of the cross section of the recess 16 in the plane of the guide ribs 24a, 24b is filled by them themselves and a further part of the cross section of the recess by the support cheeks 23a, 23b in the area of their planes, the guide ribs and support cheeks form a guiding channel , by which an effective deflection of the flowable material entering through the passage opening 15 from the container into the recess 16 to the outlet opening 22 is achieved.

Wie aus Fig. 1 und 2 ersichtlich ist, erstreckt sich die kugelflächenausschnittförmige Innenwandung der Aussparung 16 bis zu der ebenen Oberseite der den Boden der Aussparung bildenden Deckplatte 14. Dabei zeigt Fig. 1, daß die ebene Deckplatte sich von den Außenflächen der Führungsrippen 24a, 24b auf Abschnitten 14a, 14b auf einer Breite bis zu dem Übergangsbereich zu der kugelflächenausschnittförmigen Innenwandung erstreckt, die etwa der Breite der Stützwangen 23a, 23b entspricht. Infolgedessen bilden die Außenflächen der Führungsrippen 24a, 24b mit der gegenüberliegenden kugelflächenförmigen Innenwandung der Aussparung 16 eine sich zum Auflagepunkt der Stützwangen 23a, 23b auf der Deckplatte 14 hin verjüngende nutartige Führung, wie Fig. 1 zeigt, die ein seitliches Ausweichen der Stützwangen bei Ausübung eines größeren Druckes auf den Kappendeckel 19 verhindert. Infolgedessen ist sichergestellt, daß, auch unter Berücksichtigung des kuge/flächenförmigen Querschnitts der Innenwand für den Kappendeckel 19, auch die Ausübung großer Betätigungskräfte auf den Kappendeckel 19 die einwandfreie Lage und sichere Funktion des Kappendeckels nicht beeinträchtigen können.1 and 2, the spherical surface-shaped inner wall of the recess 16 extends to the flat upper side of the cover plate 14 which forms the bottom of the recess. FIG. 1 shows that the flat cover plate extends from the outer surfaces of the guide ribs 24a, 24b extends on sections 14a, 14b over a width up to the transition region to the spherical surface-shaped inner wall, which corresponds approximately to the width of the support cheeks 23a, 23b. As a result, the outer surfaces of the guide ribs 24a, 24b with the opposite spherical surface-shaped inner wall of the recess 16 form a groove-like guide tapering towards the point of support cheeks 23a, 23b on the cover plate 14, as shown in FIG. 1, which shows a lateral deflection of the support cheeks when exercising greater pressure on the cap lid 19 prevented. As a result, it is ensured that, even taking into account the spherical / sheet-like cross section of the inner wall for the cap cover 19, the exertion of large actuating forces on the cap cover 19 cannot impair the correct position and safe function of the cap cover.

In der Aussparung 16 der Verschlußkappe 11 ist ferner im Bereich der der Auslaßöffnung 22 zugekehrten Seite ein rippenförmiger Anschlag 25 für die Unterkante des Deckelrandes 20 unterhalb der Auslaßöffnung 22 vorgesehen, wenn sich der Kappendeckel 19 in der in Fig. 2 gezeigten Schließstellung befindet.In the recess 16 of the closure cap 11, a rib-shaped stop 25 for the lower edge of the lid edge 20 below the outlet opening 22 is further provided in the region of the side facing the outlet opening 22 when the cap lid 19 is in the closed position shown in FIG. 2.

Die Öffnungsstellung des Kappendeckels 19, die in den Zeichnungen nicht gezeigt ist, wird durch die der Betätigungsseite des Kappendekkels 19 zugeordnete längere Schmalseite 24c der trapezförmigen Stützbacken begrenzt, an die sich die Unterkante des Deckelrandes 20 in der Öffnungsstellung derart anlegt, daß die Auslaßöffnung 22 mit ihrem unteren Rand gerade oberhalb des oberen Randes 17 der Verschlußkappe 11 liegt.The opening position of the cap lid 19, which is not shown in the drawings, is limited by the longer narrow side 24c of the trapezoidal support jaws associated with the actuating side of the cap lid 19, against which the lower edge of the lid edge 20 rests in the open position in such a way that the outlet opening 22 coincides with it its lower edge is just above the upper edge 17 of the cap 11.

Dieser obere Rand 17 der Verschlußkappe 11 erstreckt sich über etwa 180° auf der der Auslaßöffnung 22 zugekehrten Seite des Kappendekkeis auf gleicher Höhe und ist bis zu dem mit 17a bezeichneten oberen Rand an der der Bedienung des Kappendeckels dienenden hinteren Seite des Kappendeckels auf einer Höhe ausgeschnitten, die wenig größer ist als die Höhe des freien Querschnitts der Auslaßöffnung 22. Hierdurch ist ebenfalls eine gewisse Begrenzung der Verschwenkbarkeit des Kappendeckeis bei dessen Betätigung unter gleichzeitiger Aufrechterhaltung der Abdichtung zwischen Kappendeckel und kugelflächenförmiger Innenwand der Verschlußkappe gegeben.This upper edge 17 of the closure cap 11 extends over approximately 180 ° on the side of the cap cover facing the outlet opening 22 at the same height and is cut out to one level up to the upper edge designated 17a on the rear side of the cap cover which serves to operate the cap cover , which is slightly larger than the height of the free cross section of the outlet opening 22. This also gives a certain limit to the pivotability of the cap cover when it is actuated while at the same time maintaining the seal between the cap cover and the spherical inner wall of the closure cap.

Es ist ersichtlich, daß diese erste, in den Fig. 1 und 2 gezeigte Ausführungsform einer zweiteiligen Verschlußvorrichtung aus Kunststoff im konstruktiven Aufbau außerordentlich einfach ist und infolgedessen bei geringstmöglichem Materialeinsatz nur einen geringen Aufwand an Werkzeugkosten erfordert und bei einem gefälligen Aussehen eine vollständige Abdichtung der Berührungsflächen zwischen dem Kappendeckel 19 und der Verschlußkappe 11 bei einer leichten Bedienbarkeit des Kappendeckels ermöglicht.It can be seen that this first embodiment, shown in FIGS. 1 and 2, of a two-part closure device made of plastic is extremely simple in terms of construction and consequently requires only a minimal outlay on tool costs with the least possible use of material and, with a pleasing appearance, a complete sealing of the contact surfaces between the cap lid 19 and the cap 11 allows for easy operability of the cap lid.

In den Fig. 3, 4 und 5 ist eine zweite Ausführungsform einer Verschlußvorrichtung 100 für einen nicht dargestellten Behälter, vorzugsweise einen elastischen Kunststoffbehälter gezeigt. Diese Verschlußvorrichtung stimmt hinsichtlich wesentlicher Erfindungsmerkmale mit der ersten Ausführungsform überein, so daß zur Vermeidung von Wiederholungen nachstehend hauptsächlich auf die Unterschiede eingegangen wird. Die Verschlußvorrichtung 100 besteht aus einer Verschlußkappe 102, deren Innenwandung mit Längsrippen 130 versehen ist, die zusammen mit im Abstand darunter sowie in Winkelabständen voneinander auf gleicher Höhe angebrachten Rastvorsprüngen 131 ein Aufpressen der Verschlußkappe auf den die Öffnung des nicht gezeigten Behälters umgebenden Hals ermöglichen. In Abweichung von dem dargestellten Ausführungsbeispiel kann naturgemäß auch hier, wie bei der Ausführungsform in Fig. 1 und 2, eine Schraubverbindung zwischen der Verschlußkappe und dem Behälterhals vorgesehen sein. Für das obere Ende des Behälterhalses ist in der Verschlußkappe 102 eine Ringnut 129 vorgesehen, die von der Innenwand der Verschlußkappe und von einer Deckplatte 120 nach unten vorstehenden Ringkragen gebildet ist, der als Stopfen.128 in die Öffnung des Behälters abdichtend eingreift.3, 4 and 5, a second embodiment of a closure device 100 for a container, not shown, preferably an elastic plastic container is shown. This closure device corresponds in terms of essential features of the invention to the first embodiment, so that the differences are mainly dealt with below to avoid repetitions. The closure device 100 consists of a closure cap 102, the inner wall of which is provided with longitudinal ribs 130 which, together with latching projections 131 arranged at a distance below it and at angular intervals from one another, enable the closure cap to be pressed onto the neck surrounding the opening of the container (not shown). In deviation from the illustrated embodiment, a screw connection between the closure cap and the container neck can naturally also be provided here, as in the embodiment in FIGS. 1 and 2. For the upper end of the neck of the container, an annular groove 129 is provided in the closure cap 102, which is formed by the inner wall of the closure cap and by a cover plate 120 projecting downwards and sealingly engages as a plug 128 in the opening of the container.

In der Deckplatte 120 befindet sich eine Durchlaßöffnung 119, oberhalb welcher sich ein rohrförmiger Austrittsstutzen 103 für das fließfähige Gut in dem Behälter erstreckt, wobei der Austrittsstutzen 103 mit einer oberen Austrittsöffnung 121 versehen ist.In the cover plate 120 there is a passage opening 119, above which a tubular outlet connection 103 for the flowable material extends in the container, the outlet connection 103 having an upper outlet opening 121 is provided.

Am oberen Ende der Verschlußkappe 102 befindet sich eine Aussparung 109, deren Boden von der Deckplatte 120 gebildet wird. Die Aussparung 109 ist an ihrem oberen Ende durch einen Kappendeckel 104 verschlossen. Der Kappendeckel ist an seinem Außenumfang mit einem in die Aussparung 109 ragenden Deckelrand 118 versehen, dessen Außenfläche 106, wie bei der Ausführungsform gemäß Fig. 1 und 2, gemäß einem mittleren scheibenförmigen Kugelflächenausschnitt konvex gekrümmt und in einer dieser konvexen Krümmung entsprechenden konkaven inneren Ausnehmung 107 in der Innenwand der Verschlußkappe 102 dicht geführt ist. Der Radius der konvexen umlaufenden Außenfläche 106 entspricht etwa ihrem Abstand von einer imaginären Schwenkachse 108 des Kappendeckels 104. Die gekrümmte Außenfläche 106 bzw. die entsprechende Ausnehmung 107 entsprechen bei einem in Draufsicht runden Kappendeckel 104 einer Kalotte. Die Schwenkachse 108 erstreckt sich somit im rechten Winkel zur Längsachse einer seitlichen Auslaßöffnung 105 im Rand 118 des Kappendeckels 104 und verläuft um zwei sich diametral gegenüberliegende, parallele Stützwangen 113, 114. Diese Stützwangen 113, 114 stehen von der Unterseite des Kappendeckels 104 senkrecht nach unten sowie im Abstand parallel zueinander vor und sind mit ihren kreisbogenförmigen Enden 115 jeweils in einer entsprechend geformten Vertiefung 116 in der Oberseite von Führungsrippen 144a, 144b schwenkbar abgestützt, die von der Deckplatte 120 im Abstand von der Innenwand 117 der Aussparung 109 symmetrisch zur Hauptlängsachse der Verschlußvorrichtung senkrecht aufragen. Der Radius der kreisbogenförmigen Vertiefungen 116 und der unteren kreisbogenförmigen Enden 115 der Stützwangen 113, 114 entspricht etwa dem Abstand, den diese gegenüber der Schwenkachse 108 einnehmen.At the upper end of the cap 102 there is a recess 109, the bottom of which is formed by the cover plate 120. The recess 109 is closed at its upper end by a cap cover 104. The cap cover is provided on its outer circumference with a cover edge 118 projecting into the recess 109, the outer surface 106 of which, as in the embodiment according to FIGS. 1 and 2, is convexly curved according to a central disk-shaped spherical surface cutout and in a concave inner recess 107 corresponding to this convex curvature is tightly guided in the inner wall of the cap 102. The radius of the convex circumferential outer surface 106 corresponds approximately to its distance from an imaginary pivot axis 108 of the cap cover 104. The curved outer surface 106 or the corresponding recess 107 correspond to a cap in the case of a cap cover 104 which is round in plan view. The pivot axis 108 thus extends at right angles to the longitudinal axis of a lateral outlet opening 105 in the edge 118 of the cap cover 104 and extends around two diametrically opposite, parallel support cheeks 113, 114. These support cheeks 113, 114 are vertically downward from the underside of the cap cover 104 and at a distance parallel to each other and are pivotally supported with their arcuate ends 115 in a correspondingly shaped recess 116 in the top of guide ribs 144a, 144b, which are symmetrical to the main longitudinal axis of the closure device from the cover plate 120 at a distance from the inner wall 117 of the recess 109 upright. The radius of the circular-arc-shaped depressions 116 and the lower circular-arc-shaped ends 115 of the support cheeks 113, 114 corresponds approximately to the distance that they occupy the pivot axis 108.

An der Unterseite des Kappendeckeis 104 befindet sich eine Dichtkappe 122, welche die obere Austrittsöffnung 121 des rohrförmigen Austrittsstutzens 103 abdichtend übergreift, wenn sich der Kappendeckel 104 in der in den Fig. 3 und 5 gezeigten Schließstellung befindet. Die Unterseite des Kappendeckels 104 ist innerhalb der Dichtkappe 122 konzentrisch und in radialem Abstand von dieser mit einem Stopfen 123 versehen, der in die Öffnung 121 des Austrittsstutzens 103 dicht eingreift, während der Austrittsstutzen mit seinem die Austrittsöffnung 121 umgebenden Rand in eine von der Dichtkappe 122 und dem Stopfen 123 gebildete Ringnut 124 eingreift. Die Ringnut 124 ist von einem Kappenmantel 125 umgeben, der den Austrittsstutzen 103 dicht übergreift. Der Kappenmantel 125 ist über eine radiale Überströmöffnung 126 und einen sich daran anschließenden radialen Überströmkanal 127 an der Unterseite des Kappendeckeis 104 mit der Auslaßöffnung 105 in dem Deckelrand 118 verbunden. Die Überströmöffnung 126 ist in Schließstellung des Kappendeckels 104 durch den in die Ringnut 124 zwischen dem Stopfen 123 und dem Kappenmantel 125 eingreifenden Austrittsstutzen 103 verschlossen. Der Austrittsstutzen gibt in Offenstellung des Kappendeckels 104 die Überströmöffnung 126 für eine Verbindung mit dem Austrittsstutzen 103 und dem Innern des Behälters frei.On the underside of the cap cover 104 there is a sealing cap 122 which sealingly engages over the upper outlet opening 121 of the tubular outlet connector 103 when the cap cover 104 is in the closed position shown in FIGS. 3 and 5. The underside of the cap lid 104 is concentric within the sealing cap 122 and at a radial distance therefrom with a stopper 123 which tightly engages in the opening 121 of the outlet connector 103, while the outlet connector with its edge surrounding the outlet opening 121 into one of the sealing cap 122 and engages the plug 123 formed annular groove 124. The annular groove 124 is surrounded by a cap jacket 125 which tightly engages over the outlet connection 103. The cap jacket 125 is connected to the outlet opening 105 in the lid edge 118 via a radial overflow opening 126 and an adjoining radial overflow channel 127 on the underside of the cap cover plate 104. The overflow opening 126 is closed in the closed position of the cap cover 104 by the outlet connector 103 which engages in the annular groove 124 between the stopper 123 and the cap jacket 125. In the open position of the cap cover 104, the outlet connection opens the overflow opening 126 for connection to the outlet connection 103 and the interior of the container.

Eine Anschlagrippe 111 steht von der Deckplatte 120 sowie der Innenwand 110 an der der Auslaßöffnung 105 gegenüberliegenden Seite in die Aussparung 109 vor und ist mit einer aufragenden Nase 112 an ihrem inneren Ende versehen, so daß, wie Fig. 3 und 4 zeigen, eine Quernut als Auflage für die Unterkante des Dekkelrandes 118 gebildet wird, wenn sich der Kappendeckel 104 in der in Fig. 4 gezeigten Öffnungsstellung befindet. Den Anschlag für den Kappendeckel 104 in seiner Schließstellung bildet, wie Fig. 3 zeigt, die obere Stirnseite der Austrittsöffnung 121 des Austrittsstutzens 103.A stop rib 111 protrudes from the cover plate 120 and the inner wall 110 on the side opposite the outlet opening 105 into the recess 109 and is provided with a protruding nose 112 at its inner end, so that, as FIGS. 3 and 4 show, a transverse groove is formed as a support for the lower edge of the lid edge 118 when the cap lid 104 is in the open position shown in FIG. 4. The stop for the cap cover 104 in its closed position, as shown in FIG. 3, forms the upper end face of the outlet opening 121 of the outlet connector 103.

Die zur Betätigung dienende Oberseite des Kappendeckels 104 ist mit einer Vertiefung 132 für den Finger einer Bedienungsperson versehen, um den Kappendeckel 104 nach unten zu pressen und in die in Fig. 4 gezeigte geöffnete Stellung zu schwenken. Der Kappendeckel 104 ist bei dieser Schwenkbewegung einwandfrei in der kalottenartigen Ausnehmung 107 in der Innenwand 117 der Aussparung 109 geführt und gegenüber der Schwenkachse 108 durch die kreisbogenförmigen Lagerflächen der Enden 115 bzw. Vertiefungen 116 zentriert und gegenüber einer Verdrehung um die senkrechte Hauptachse der Verschlußvorrichtung gesichert. In dieser Öffnungsstellung wird die Austrittsöffnung 121 des Austrittsstutzens 103 freigegeben, so daß, z. B. durch Ausüben von Druck auf die elastischen Wände des Kunststoffbehäfters, der Behälterinhalt durch den Austrittsstutzen 103, die Überströmöffnung 126, den Überströmkanal 127 aus der Auslaßöffnung 105 austreten kann, deren Unterkante mit der Oberkante des Kappenrandes abschließt. Wie ersichtlich, dichtet der Kappendeckel 104 auch in geöffnetem Zustand dicht gegenüber der kugelkalottenförmigen Ausnehmung 107 der Innenwand 117 der Verschlußkappe 102 ab, so daß auch bei der anschließenden Schwenkbewegung in die Schließstellung der Kappendeckel 104 gegenüber einem Eindringen von Verunreinigungen von außen geschützt ist. Diese Sicherung ist auf dem gesamten Umfang des Kappendeckels gegenüber der Innenwand der Verschlußkappe 102 in jeder Betriebsstellung gewährleistet.The top of the cap lid 104 used for actuation is provided with a recess 132 for the finger of an operator in order to press the cap lid 104 down and to pivot it into the open position shown in FIG. 4. During this pivoting movement, the cap cover 104 is guided correctly in the spherical recess 107 in the inner wall 117 of the recess 109 and is centered relative to the pivot axis 108 by the circular bearing surfaces of the ends 115 or recesses 116 and is secured against rotation about the vertical main axis of the closure device. In this open position, the outlet opening 121 of the outlet port 103 is released, so that, for. B. by exerting pressure on the elastic walls of the plastic container, the container contents through the outlet port 103, the overflow opening 126, the overflow channel 127 can emerge from the outlet opening 105, the lower edge of which closes with the upper edge of the cap edge. As can be seen, the cap cover 104 seals tightly against the spherical cap-shaped recess 107 of the inner wall 117 of the closure cap 102 even in the open state, so that the cap cover 104 is also protected against the ingress of contaminants from the outside during the subsequent pivoting movement into the closed position. This securing is ensured on the entire circumference of the cap cover in relation to the inner wall of the closure cap 102 in every operating position.

Es ist ersichtlich, daß die Wand der zweiteiligen, aus Kunststoff bestehenden Verschlußkappe 102 auch hier auf der der Auslaßöffnung 105 gegenüberliegenden Seite tiefer eingeschnitten ist. Tatsächlich ist die Oberkante der Verschlußkappe 102 auf der der Auslaßöffnung 105 gegenüberliegenden Seite der Schwenkachse 108 nach unten in einem spitzen Winkel zur Horizontalen abgeschrägt, so daß, wie die Figuren zeigen, sowohl in der Öffnungs- als auch in der Schließstellung des Kappendeckels 104 die Umfangsfläche 106 desselben stets mit der Innenwand der Kappe abdichtend in Eingriff steht, jedoch ein Abwärtsdrücken dieser Seite des Kappendeckels 104 erleichtert wird. Ferner ist ersichtlich, daß die Behälterkappe in der Schließstellung mit der Oberkante des oberen Randes der Aussparung 109 auf gleicher Höhe bündig abschließt. Auch bei dieser zweiten Ausführungsform der Verschlußvorrichtung liegt der Deckelrand 118 in jeder Schwenklage mit elastischer radialer Verspannung in der konkaven, hinterschnittenen Innenwand 117 auf seiner gesamten Umfangsfläche gleichmäßig abdichtend an. Der Reibungswiderstand, der zur Betätigung des Kappendeckels überwunden werden muß, ist daher im wesentlichen immer gleich.It can be seen that the wall of the two-part plastic closure cap 102 is also cut deeper here on the side opposite the outlet opening 105. In fact, the upper edge of the closure cap 102 on the side of the pivot axis 108 opposite the outlet opening 105 is chamfered at an acute angle to the horizontal, so that, as the figures show, the circumference in both the open and the closed positions of the cap cover 104 Surface 106 of the same is always sealingly engaged with the inner wall of the cap, but pressing down this side of the cap lid 104 is facilitated. It can also be seen that the container cap is flush with the upper edge of the upper edge of the recess 109 in the closed position at the same height. In this second embodiment of the closure device as well, the lid edge 118 lies in an evenly sealing manner on its entire circumferential surface in every pivoted position with elastic radial bracing in the concave, undercut inner wall 117. The frictional resistance that must be overcome to actuate the cap cover is therefore essentially always the same.

Claims (19)

1. Closure device made of plastic for a container for free-flowing substance, on which is attached a cap (11; 102) having a cover plate (14; 120) with a port (15; 119), which cap has an upwardly open clearance (16; 109), in which a cap lid (19; 104) closure part is arranged to whose underside support and pivot means are attached by means of which the cap lid (19; 104) is supported in such a way that it cannot rotate but can pivot, with stops (25, 24c; 121, 111, 112) being provided in the clearance (16; 109), against which stops (25, 24c; 121, 111, 112) the cap lid (19; 104) bears in its closing or opening position, one side of which closure part acts as an actuating member and the other side of which is provided with a laterally opening outlet opening (22; 105) which, in the closing position of the cap lid (19; 104) is closed under pretension by the upper edge (17) of the clearance (16; 109) in the cap (11, 102), with the cap lid side used for actuation being located, in the closing position, at a distance above the cover plate (14; 120) forming the base of the clearance (16; 109), characterized by the combination of features in the cap lid 19; 104), at its periphery, has an encircling border (20; 118) which projects downward and into the open clearance (16; 109) of the cap (11; 102), wherein the outer surface (20a; 106) of the border (20; 118) of the cap lid (19; 104) has the form of a disk-shaped, central spherical surface segment, the centre of curvature of which is located on the pivot axis of the cap lid (19; 104) at about half the height of the disk-shaped spherical surface segment, that the lateral outlet opening (22; 105) is located directly beneath the underside of the cap lid (19; 104) essentially in the upper half of the height of the lid border (20; 118), that the encircling lid border (20; 118) is made elastic in the radial direction, that the cap wall (18; 117), at the upper edge of the clearance (16, 109), is provided with an encircling, inner recess (26; 107) which is essentially formed in a cup shape corresponding to the lid border (20; 118), that the cap lid (19; 104), with its border (20; 118), is inserted in sealing manner with snap seating under radial pretension and pivotably guided in the corresponding cup shaped recess (26; 107) of the cap wall (18; 117).
2. Closure device according to Claim 1, characterized in that the upper side of the cap lid (19; 104) and the edge of the encircling, downwardly directed lid border (20; 118) lie in planes which run parallel to one another.
3. Closure device according to Claim 1, characterized in that the upper side of the cap lid (19; 104) is concavely curved at least at the side located for actuating the cap lid.
4. Closure device according to Claim 1, characterized in that the centre of curvature of the spherical-surface segment-shaped border (20; 118) is located on the centre longitudinal axis of the closure device.
5. Closure device according to Claim 1, characterized in that the support and pivot means at the underside of the cap lid (19; 104) consist of a pair of supporting plates (23a, 23b; 113, 114) which extend parallel to the pivot plane of the cap lid (19; 104) and are supported in sliding manner in the cap (11; 102) on the base of the clearance (16; 109).
6. Closure device according to Claim 5, characterized in that the free supporting plate ends lying on the base of the clearance run in a curved manner.
7. Closure device according to Claim 6, characterized in that the ends (23c; 115) of the supporting plates (23a, 23b; 113, 114) are made in a circular shape, with the centre of curvature of the circular shaped ends of the supporting plates being located on the pivot axis of the cap lid (19; 104).
8. Closure device according to Claim 5, characterized in that an essential part (23d) of the supporting plates (23a, 23b) extends from the underside of the side used for actuating the cap lid (19), and in that a smaller part (23e) of the supporting plates (23a, 23b) is connected to the underside of the cap lid (19) facing towards the outlet opening (22), so that the supporting plates intersect at a right angle the main cross-section plane running through the pivot axis of the cap lid (19).
9. Closure device according to Claim 5, characterized in that guide means are arranged for the supporting plates (23a, 23b; 113, 114) of the cap lid (19; 104) on the base of the clearance (16; 109).
10. Closure device according to Claim 9, characterized in that the guide means consist of a pair of guide ribs (24a, 24b; 144a, b) which are arranged parallel to the pivot plane of the cap lid (19, 104).
11. Closure device according to Claim 10, characterized in that each guide rib (24a, 24b) is arranged parallel next to one of the opposite inner sides of the two supporting plates (23a, 23b).
12. Closure device according to Claim 10, characterized in that a port hole (15) is arranged between the two guide ribs (24a, 24b) in the centre of the cover plate (14).
13. Closure device according to Claim 10, characterized in that the main surfaces of the guide ribs (24a, 24b) extending parallel to the pivot plane of the cap lid (19) are formed in a trapezoidal shape and taper in the direction of the cap lid (19), with the side (24c) of the guide ribs (24a, 24b) forming the smaller angle with the cover plate (14) being located on the side of the clearance (16) used for actuating the cap lid (19) and a stop forming the border (20) of the cap lid (19) in the opening position of the latter.
14. Closure device according to Claim 1, characterized in that the spherical-surface-segment-shaped inner recess (26) in the clearance (16) for locating the cap lid (19) continues as far as the flat base of the clearance (16).
15. Closure device according to Claim 10, characterized in that the outer sides of the trapezoidal shaped guide ribs (24a, 24b) extend at a distance parallel to the transition area between the base of the clearance (16) and the spherical-surface- segment-shaped clearance (16), which distance approximately corresponds to the thickness of a supporting plate (23a, 23b).
16. Closure device according to Claim 1, characterized in that a stop (25) for the border (20) of the cap lid (19), in the closing position of the latter, is provided on the inner wall of the clearance (16) facing toward the outlet opening (22).
17. Closure device according to Claim 1, characterized in that the supporting plates (113, 114) have circular shaped ends (115), to which correspond circular shaped cavities (116) in the upper side of a pair of guide ribs (144a, b) which projects upward from the cover plate (120).
18. Closure device according to Claim 1, characterized in that the stop for the cap lid (104) in the closing position consists of a discharge pipe (103) forming the port in the cover plate (120), and in that a sealing cap (122) and a closure plug (123) are arranged at the underside of the cap lid (104), which closure plug is arranged concentrically at a radial distance inside the sealing cap (122), while forming an axial annular groove (124) for locating the upper end of the discharge pipe (103) in the closing position of the cap lid (104).
19. Closure device according to Claim 18, characterized in that a radial transfer channel (127) is provided in the sealing cap (122), which transfer channel connects the annular groove (124) between the sealing cap (122) and the closure plug (123) to the outlet opening (105) and is closed by the upper end of the discharge pipe (103) in the closing position of the cap lid (104).
EP85112340A 1984-09-28 1985-09-27 Closing device for a container Expired - Lifetime EP0176108B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85112340T ATE49557T1 (en) 1984-09-28 1985-09-27 CLOSING DEVICE FOR A CONTAINER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843435782 DE3435782A1 (en) 1984-09-28 1984-09-28 TIP LOCK FOR CONTAINERS
DE3435782 1984-09-28

Publications (3)

Publication Number Publication Date
EP0176108A2 EP0176108A2 (en) 1986-04-02
EP0176108A3 EP0176108A3 (en) 1987-10-21
EP0176108B1 true EP0176108B1 (en) 1990-01-17

Family

ID=6246696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85112340A Expired - Lifetime EP0176108B1 (en) 1984-09-28 1985-09-27 Closing device for a container

Country Status (6)

Country Link
US (1) US4645086A (en)
EP (1) EP0176108B1 (en)
AT (1) ATE49557T1 (en)
DE (2) DE3435782A1 (en)
ES (1) ES287261Y (en)
ZA (1) ZA857303B (en)

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Also Published As

Publication number Publication date
ES287261U (en) 1985-12-01
US4645086A (en) 1987-02-24
EP0176108A3 (en) 1987-10-21
ES287261Y (en) 1987-04-01
DE3435782C2 (en) 1988-02-04
DE3575406D1 (en) 1990-02-22
DE3435782A1 (en) 1986-04-03
EP0176108A2 (en) 1986-04-02
ZA857303B (en) 1986-05-28
ATE49557T1 (en) 1990-02-15

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