EP3461759A1 - Screw-type cap consisting of metal - Google Patents
Screw-type cap consisting of metal Download PDFInfo
- Publication number
- EP3461759A1 EP3461759A1 EP18196515.3A EP18196515A EP3461759A1 EP 3461759 A1 EP3461759 A1 EP 3461759A1 EP 18196515 A EP18196515 A EP 18196515A EP 3461759 A1 EP3461759 A1 EP 3461759A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- bead
- screw cap
- annular
- cap according
- 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.)
- Withdrawn
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Classifications
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- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0485—Threaded or like caps or cap-like covers secured by rotation with means specially adapted for facilitating the operation of opening or closing
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- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
- B65D41/0464—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements the screw-thread or the like being formed by conforming the cap-skirt to the thread or the like formation on a container neck
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- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
- B65D41/3438—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being formed separately but connected to the closure
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/348—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being rolled or pressed to conform to the shape of the container, e.g. metallic closures
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/348—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being rolled or pressed to conform to the shape of the container, e.g. metallic closures
- B65D41/349—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being rolled or pressed to conform to the shape of the container, e.g. metallic closures the tamper element being formed separately but connected to the closure
-
- 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
- B65D2401/00—Tamper-indicating means
- B65D2401/15—Tearable part of the closure
- B65D2401/35—Vertical or axial lines of weakness
Definitions
- the invention relates to a screw cap made of metal for closing containers, which are provided for this purpose with a thread at the opening, with a bead or curl at the lower edge or a lower annular bead, which is spaced from the lower edge inserted inside the shell wall and from the Surface projecting bead-shaped.
- Screw caps of the generic type are used to airtight containers, such as tubes, canned and beverage bottles and other bottles, which are provided for this purpose with a thread on the opening or an opening neck.
- Metal screw caps are made without thread. During the closing process, they are first pressed from above against the sealing surface, after which the thread is rolled on the side, with a quasi-copy of the thread being formed from the container neck of the opening into the cap.
- the caps used for beverage bottles are usually made of aluminum sheet and those for glasses made of tinplate.
- a tamper-evident ring is attached to the lower edge via connecting webs. This tamper-evident ring engages under a retaining ring on the neck of the beverage bottle opening.
- the cap can be turned with one hand via a ribbed upper edge of the cap and / or a corrugation on the outside of the tamper evident ring.
- a screw cap made of metal for closing containers with opening threads with a beading at the bottom known, wherein in the inside of the shell wall spaced an annular bead and is parallel to the beading incorporated so that an annular bead protrudes wave-shaped, with the beading a V forms a shaped annular channel.
- the threaded zone of the screw cap is provided above the annular bead.
- a plastic sealing element is provided with a formed over a weakening zone originality ring below the V-shaped annular channel, which engages under the retaining ring and tears off when opening the closure and remains on the container.
- a metal screw cap with tamper evident ring is known which engages under a retaining ring on the outside of a container mouth or opening neck.
- the retaining ring is made of plastic, preferably a polyolefin or the like., And is attached to the lower edge of the screw cap.
- the retaining ring is held by clamping action due to its elasticity on the screw, in particular snapped or locked and for this purpose has on its inside a circumferential groove which engages over a bead or curl at the bottom of the screw.
- the lower edge of the screw cap can be embedded in the securing ring during its production, in particular cast or injected.
- the securing ring consists of an annular body fastened to the screw cap and an annular bead engaging the retaining ring of the container mouth, in particular engaging under its retaining ring.
- Both parts are connected by webs or a weakening point, which has a circumferential uninterrupted material weakening or webs, which shear off when turning the screw, so that the annular bead remains at the opening neck of the container while the ring body remains on the screw cap.
- a plastic locking ring for a metallic screw cap for containers that has an upper ring anchorable by means of a projection to a bead provided at the lower edge of the cap, and a tearing over a first opening of the closure Having predetermined breaking line and holding webs with this associated lower ring, which engages under the thread provided under the container retaining ring.
- the wall of the lower ring part is provided with several, vertical predetermined breaking points having weakening zones.
- the holding webs are arranged in the middle between two adjacent weakening zones.
- the strength of the retaining webs is chosen so that they hold after the first opening of the SSverBankkappe separated at the predetermined breaking lines segments of the lower ring member, whereby the segments remain in a relation to their original position outwardly entangled position.
- the wall thickness of the lower ring part is reduced in the area of the holding webs.
- At least one annular bead is spaced apart and parallel to the bead, the curl or the lower annular bead in such a way that projects from the outside of the shell wall, an annular bead wavy, at least with the flanging in the inside of the jacket wall of the screw cap , the Einrollung or the lower annular bead forms a U-shaped annular channel, wherein above the annular bead, the threaded zone of the screw cap is provided.
- At least one protruding annular bead is thus additionally attached, which enables an extended use of the screw cap.
- This at least one additional ring can be embossed with a corrugation, so that the cap when unscrewing with the thumb and another finger of a hand can be detected over a large area, whereby a higher force transmission surface or friction surface is given to apply the necessary torque, the to loosen a relatively tight fitting cap when unscrewing is required.
- a further bead can be incorporated, so that a third bead-shaped ring is formed, which can be used in the same way.
- the ring formation significantly strengthens the screw cap, so that very thin sheet metal can be used for the production.
- the additional annular bead prevents retraction of the shell wall when rolling the screw.
- the reinforcing effect is also advantageous if a fixing ring of a tamper-evident ring or another marking ring is engaged in the annular channel. This engages relatively large area in the annular channel and is stored secured in both directions against thrust and train, so it requires no further fixing training.
- a large bearing surface is provided, which can be increased by intermeshing paired patterns, whereby a very high relative security against twisting is given and over the outer surface of this ring, a relatively high areal torque transmission is also ensured on the cap.
- this surface of the parts can of course also be smooth, which is advantageous if a ring from below on the flanging, Rolled or rolled the annular bead of a lower annular bead and engages in the annular flange.
- the surface of the annular flange can also be used as a grip surface. For this purpose, it may be roughened, knurled or embossed embossed.
- the height of the annular channel at least to the width of the bead or the width of the flange or of the curl such that an inserted ring or fixing ring has a visible conspicuous width.
- the above bead, the curl or the bead of the lower annular bead on the outside can protrude from the lateral surface by a height which is equal to the height of the protruding bead of parallel at least one upper annular bead or deviates therefrom and thereby defines the depth of the annular channel.
- the annular channel can be used for marking and can be printed, for example, with defined colors and contents. If a ring is to be inserted into the annular channel, it is expedient to produce it in such a shape-adapted from plastic, that it can engage by utilizing the inherent elasticity. If the ring is a tamper-evident ring, it should be locked in place before pressing the screw cap on the opening neck of the container, the fixing ring in the annular channel and thus connected via webs retaining ring a retaining ring on the outside of the opening neck with molded trigger fins or a trigger safety ring with an inward engage under the protruding edge, wherein the locking ring is disengageable when unscrewing the screw cap by turning.
- a weakening zone can be provided with segment cutouts on the retaining ring, which tear when unscrewing the cap and the segments to the outside release swiveling.
- a retaining ring in the wall of the opening neck and a groove be introduced annular, which has a stepped annular flange, which is engaged behind the trigger safety ribs or a trigger safety ring. If the retaining ring on the cap remains in the unscrewed state, the cap can be disposed of with the retaining ring.
- the connecting webs are formed as partitions or correspondingly formed weakening zones between the fixing ring and the retaining ring provided that shear off when turning the cap.
- the screw cap can also directly in extension at the bottom below the annular channel have a circumferentially extending perforation and a circlip with these introduced in the longitudinal direction incisions or predetermined breaking points forming weakening, which circlip is drawn to the lower wall portion around a crimping edge and at the bottom of the retaining ring and / or rests against the opening neck of the container.
- a circlip is z. B. from the DE 20 2004 016 649 U1 known and connected via connecting webs with the jacket wall of the cap, that the retaining ring segments, which are connected to each other via weakening zones and / or separating cuts, expose when unscrewing the cap to the outside.
- Other versions are also possible.
- the surface of the annular channel may have a specific embossing pattern and the inside of the ring or fixing ring may be provided with a corresponding surface which engages in the embossing pattern of the ring or fixing ring.
- the incorporated bead can have a round or a trapezoidal cross-sectional profile and the bead or the curl can be annular and have a rounded or trapezoidal surface.
- penetrations or beads projecting from the inner surface of the jacket wall can be incorporated into the jacket wall of the annular channel, and into the contour-adapted locking projections projecting on the inside on the ring or the fixing ring.
- the invention also includes such embodiments in which the ring or the tamper-evident ring is not designed as a snap-on ring, but is injection molded onto the screw cap in an injection mold.
- the locking lugs can also be mounted in the two-component injection process on the ring or fixing ring and stand out in color.
- Fig. 1 is a first embodiment of a screw cap 1 shown in metal, which is sealingly als impliedd as a cylindrical hollow body on a bottle neck of a bottle or on the opening neck on another container and is deformed by pressing the shell wall 2 provided on the bottle or opening neck external thread, when the bottle or container is filled.
- the closure cap 1 adjacent to the lid, a cap ring 11 which is provided with knurling ( Fig. 3 ) in order to provide sufficient support for the fingers applied when unscrewing the cap 1.
- a gasket is inserted into this in a known manner to ensure a hermetic airtight sealing of the container at its opening.
- the thread which is not shown, embossed in the shell wall, at the same time the cap is attached to the opening neck on the thread thereon.
- annular bead 3 and a bead 4 are provided in the lower portion in the jacket wall of the screw cap 1, running parallel to the edge 6, which are introduced by means of a rolling tool from the inside or formed by a crimping tool and the outside annular beads 7 of the Projecting plane of the lateral surfaces.
- the annular bead 3 and the bead 4 are arranged away from each other so that they define a visible annular channel 8.
- the introduced annular bead 3 reinforces the shell wall 2 and prevents deformation and retraction when embossing the thread in the designated zone of the shell wall 2 above the annular bead 3.
- the pronounced beads 7 have the additional advantage that they are also used as a stamping zone so that the fingers when opening the screw cap 1 or when turning it can be applied slip-resistant. As a result, the grip of the screw cap 1 is substantially increased, so that they can be solved even with tightly fitting caps 1, without having to use auxiliary tools for this purpose.
- the annular channel 8 is bounded by the beads 7 or by the annular bead 3 and the bead 4.
- a bead can also form the boundary to annular channels arranged on both sides. They can be used multiple times, eg. B. for example color to be printed.
- the ink used may be, for example, a bright warning color and serve as an indication that the Content is poisonous. Batch and shelf life data can also be printed on this.
- the ring channel is suitable for marking with a wide variety of design features. Instead of such printing but also a ring made of plastic can be engaged, which performs this function. At the same time, such a ring can be provided with knurling on the outside and can be used for actuating the screw cap 1 if the contact pressure during engagement is appropriate.
- the surface can also be a rubberized layer.
- this annular channel 8 can also be used to receive a fixing ring 12 of a tamper-evident ring 10. This is pushed before putting the cap 1 on the opening neck of the container on the provided in the embodiment bead 4 from below, so that the fixing ring 12 can engage in the annular channel 8.
- the outer surface of the fixing ring 12 may have knurls to better be detected by the fingers of one hand when opening the screw cap 1. So that a security against rotation of the fixing ring 12 is given within the annular channel 8, on the inside of the fixing ring 12 also a corrugation or recesses may be provided in which engages a correspondingly contour-matched embossing in the annular channel 8.
- a retaining ring 13 is attached via connecting webs 9 or via a weakening zone, which engages with a retraction lock 15 a retaining ring, not shown, at the opening neck of the container and separating zones with predetermined breaking points or Having incisions between individual segments. It can be seen that when unscrewing the cap of the fixing ring 12 via the connecting webs 9 tries to turn the locking ring 13, which engages but under the retaining ring on the opening neck and tears at the predetermined breaking points. The segments are then placed outwardly visible to anyone and remain on the screw cap 1 and indicate that the screw cap 1 has already been opened.
- the retraction fuses 5 and the trigger safety ribs can be seen, which are arranged in the tamper evident ring 13 and engage with their edges under the retaining ring on the opening neck of the container when the screw cap 1 is pressed to close the container opening on the opening neck and the thread is rolled.
- Fig. 3 is different from Fig. 2 only a partial section through the screw cap 1 shown.
- the knurls on the upper cap ring 11 and on the latched fixing ring 12 are clearly visible.
- a weakening zone 14 can be seen in the tamper-evident ring 13, over which the ring is divided into segments.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Die Erfindung betrifft eine Schraubverschlusskappe (1) aus Metall zum Verschließen von Behältnissen, die hierfür mit einem Gewinde an der Öffnung versehen sind, mit einer Umbördelung (4) oder Einrollung am unteren Rand oder einer unteren Ringsicke, die beabstandet zur unteren Kante innenseitig in die Mantelwand eingebracht ist. Zur Erhöhung des Nutzens ist in die Innenseite der Mantelwand der Schraubverschlusskappe mindestens eine Ringsicke (3) beabstandet und parallel verlaufend zu der Umbördelung, der Einrollung oder zur unteren Ringsicke eingearbeitet, die aus der Außenseite der Mantelwand mit einem ringförmiger Wulst (7) wellenförmig vorsteht, der mindestens mit der Umbördelung, der Einrollung oder der unteren Ringsicke einen U-förmigen Ringkanal (8) bildet. Oberhalb des ringförmigen Wulstes ist die Gewindezone der Schraubverschlusskappe vorgesehen. The invention relates to a screw cap (1) made of metal for closing containers, which are provided for this purpose with a thread at the opening, with a flange (4) or curl at the lower edge or a lower annular bead, which is spaced from the lower edge inside the Shell wall is introduced. In order to increase the usefulness, at least one annular bead (3) is spaced apart from and parallel to the flanging, curling or lower annular bead which protrudes in a wave-like manner from the outside of the jacket wall with an annular bead (7). which forms a U-shaped annular channel (8) at least with the flanging, the curling or the lower ring bead. Above the annular bead, the threaded zone of the screw cap is provided.
Description
Die Erfindung betrifft eine Schraubverschlusskappe aus Metall zum Verschließen von Behältnissen, die hierfür mit einem Gewinde an der Öffnung versehen sind, mit einer Umbördelung oder Einrollung am unteren Rand oder einer unteren Ringsicke, die beabstandet zur unteren Kante innenseitig in die Mantelwand eingebracht ist und aus der Oberfläche wulstförmig vorsteht.The invention relates to a screw cap made of metal for closing containers, which are provided for this purpose with a thread at the opening, with a bead or curl at the lower edge or a lower annular bead, which is spaced from the lower edge inserted inside the shell wall and from the Surface projecting bead-shaped.
Schraubverschlusskappen der gattungsgemäßen Art dienen dazu, Behältnisse, wie Tuben, Konservengläser und Getränkeflaschen sowie andere Flaschen, luftdicht zu verschließen, die hierfür mit einem Gewinde an der Öffnung bzw. einem Öffnungshals versehen sind. Metallschraubverschlusskappen werden ohne Gewinde gefertigt. Beim Verschließvorgang werden sie zunächst von oben an die Dichtfläche gepresst, danach wird das Gewinde seitlich angerollt, wobei quasi eine Kopie des Gewindes vom Behälterhals der Öffnung in die Kappe geformt wird. Die für Getränkeflaschen verwendeten Verschlusskappen sind in der Regel aus Aluminiumblech gefertigt und die für Gläser aus Weißblech.Screw caps of the generic type are used to airtight containers, such as tubes, canned and beverage bottles and other bottles, which are provided for this purpose with a thread on the opening or an opening neck. Metal screw caps are made without thread. During the closing process, they are first pressed from above against the sealing surface, after which the thread is rolled on the side, with a quasi-copy of the thread being formed from the container neck of the opening into the cap. The caps used for beverage bottles are usually made of aluminum sheet and those for glasses made of tinplate.
Um eine Schraubverschlusskappe von einer Behälteröffnung abschrauben zu können, werden zur Erhöhung der Griffigkeit umlaufend in Längsrichtung der Kappe verlaufende Rändeln in die Mantelwand gedrückt. Bei einigen Schraubverschlüssen ist in Verlängerung am unteren Rand ein Originalitätsring über Verbindungsstege befestigt. Dieser Originalitätsring untergreift einen Haltering an dem Hals der Getränkeflaschenöffnung. Über einen geriffelten oberen Rand der Kappe und/oder eine Riffelung an der Außenseite des Originalitätssicherungsringes lässt sich die Kappe mit einer Hand drehen. Beim Abdrehen der Verschlusskappe reißen die am Umfang des Sicherungsringes vorgesehenen Schwächungszonen zwischen Segmentabschnitten auf. Die Segmentabschnitte werden über die Verbindungsstege für jedermann sichtbar ausgestellt und verbleiben am abgeschraubten Verschluss. Eine derartige Ausführung ist in der
Aus der
Aus der
Die einzelnen Schraubverschlusskappen sind oftmals derart fest auf dem Gewinde eines Öffnungshalses aufgerollt, dass die Riffelprägung den Fingern beim Öffnen des Verschlusses keinen ausreichenden Halt bieten, um das notwendige Drehmoment zum Aufschrauben ausüben zu können. Es ist deshalb eine Teilaufgabe der Erfindung, eine gattungsgemäße Schraubverschlusskappe derart weiterzubilden, dass die mit einer Riffelung versehenen umlaufenden Ringflächen so groß sind, dass sowohl ein Öffnen als auch Verschließen der Kappe mit den Fingern möglich ist, wenn ein erhöhtes Drehmoment erforderlich ist. Eine weitere Teilaufgabe besteht darin, den Nutzen einer Schraubverschlusskappe zu erhöhen und im Falle der Kombination mit einem Originalitätssicherungsring diesen auf einfache Weise gegen Verdrehen gesichert an der Kappe fixieren zu können.The individual screw caps are often so tightly rolled up on the thread of an opening neck that the corrugated embossing the fingers when opening the shutter does not provide sufficient support to exercise the necessary torque for screwing can. It is therefore a partial object of the invention to develop a generic screw cap in such a way that the circumferential annular surfaces provided with a corrugation are so large that both an opening and closing the cap with the fingers is possible if an increased torque is required. Another subtask is to increase the usefulness of a screw cap and, in the case of combination with a tamper-evident ring, fix it in a simple manner secured against rotation on the cap.
Die Aufgabe löst die Erfindung durch Ausgestaltung der Verschlusskappe gemäß der im Anspruch 1 angegebenen technischen Lehre. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen im Detail angegeben.The object is achieved by the invention by designing the cap according to the technical teaching given in
Gemäß der Lehre der Erfindung ist in die Innenseite der Mantelwand der Schraubverschlusskappe mindestens eine Ringsicke beabstandet und parallel verlaufend zu der Umbördelung, der Einrollung oder zur unteren Ringsicke derart eingearbeitet, dass aus der Außenseite der Mantelwand ein ringförmiger Wulst wellenförmig vorsteht, der mindestens mit der Umbördelung, der Einrollung oder der unteren Ringsicke einen U-förmigen Ringkanal bildet, wobei oberhalb des ringförmigen Wulstes die Gewindezone der Schraubverschlusskappe vorgesehen ist.According to the teachings of the invention, at least one annular bead is spaced apart and parallel to the bead, the curl or the lower annular bead in such a way that projects from the outside of the shell wall, an annular bead wavy, at least with the flanging in the inside of the jacket wall of the screw cap , the Einrollung or the lower annular bead forms a U-shaped annular channel, wherein above the annular bead, the threaded zone of the screw cap is provided.
Durch die Erfindung wird also mindestens eine vorstehende Ringsicke zusätzlich angebracht, was einen erweiterten Nutzen der Schraubverschlusskappe ermöglicht. Dieser mindestens eine zusätzliche Ring kann mit einer Riffelung geprägt sein, sodass die Verschlusskappe beim Abschrauben mit dem Daumen und einem weiteren Finger einer Hand großflächiger erfasst werden kann, wodurch eine höhere Kraftübertragungsfläche bzw. Reibfläche gegeben ist, um das notwendige Drehmoment aufbringen zu können, das zum Lösen einer relativ fest sitzenden Verschlusskappe beim Abschrauben erforderlich ist. Selbstverständlich kann auch eine weitere Sicke eingearbeitet sein, sodass ein dritter wulstförmiger Ring entsteht, der in gleicher Weise benutzt werden kann.By means of the invention, at least one protruding annular bead is thus additionally attached, which enables an extended use of the screw cap. This at least one additional ring can be embossed with a corrugation, so that the cap when unscrewing with the thumb and another finger of a hand can be detected over a large area, whereby a higher force transmission surface or friction surface is given to apply the necessary torque, the to loosen a relatively tight fitting cap when unscrewing is required. Of course, a further bead can be incorporated, so that a third bead-shaped ring is formed, which can be used in the same way.
Die Ringausbildung verstärkt darüber hinaus die Schraubverschlusskappe wesentlich, sodass für die Herstellung sehr dünnes Blech verwendet werden kann. Weiterhin verhindert die zusätzliche Ringsicke ein Einziehen der Mantelwand beim Anrollen des Schraubprofils. Die Verstärkungswirkung ist aber auch dann von Vorteil, wenn in den Ringkanal ein Fixierring eines Originalitätssicherungsringes oder ein anderer Markierungsring eingerastet wird. Dieser rastet relativ großflächig in den Ringkanal ein und ist darin in beide Richtungen gegen Schub und Zug gesichert gelagert, sodass es keiner weiteren fixierender Ausbildungen bedarf. Des Weiteren ist eine große Auflagefläche gegeben, die durch ineinandergreifende gepaarte Muster erhöht werden kann, wodurch eine sehr hohe relative Sicherheit gegen Verdrehen gegeben ist und über die Außenfläche dieses Ringes eine relativ hohe flächenhafte Drehmomentübertragung auf die Verschlusskappe ebenfalls sichergestellt ist.In addition, the ring formation significantly strengthens the screw cap, so that very thin sheet metal can be used for the production. Furthermore, the additional annular bead prevents retraction of the shell wall when rolling the screw. However, the reinforcing effect is also advantageous if a fixing ring of a tamper-evident ring or another marking ring is engaged in the annular channel. This engages relatively large area in the annular channel and is stored secured in both directions against thrust and train, so it requires no further fixing training. Furthermore, a large bearing surface is provided, which can be increased by intermeshing paired patterns, whereby a very high relative security against twisting is given and over the outer surface of this ring, a relatively high areal torque transmission is also ensured on the cap.
Wenn keine Griffigkeit oder kein Prägemuster an der Oberfläche der Umbördelung, der Einrollung oder an dem durch die unteren Ringsicke gebildeten Wulst gewünscht ist, kann dies Oberfläche der Teile selbstverständlich auch glatt ausgebildet sein was von Vorteil ist, wenn ein Ring von unten über die Umbördelung, Einrollung oder den ringförmigen Wulst einer unteren Ringsicke geschoben wird und in den Ringflansch einrastet. Die Fläche des Ringflansches kann aber auch als Grifffläche genutzt werden. Zu diesem Zweck kann sie aufgeraut, gerändelt oder mit einem Griffmuster geprägt ausgeführt sein.If no grip or embossing pattern on the surface of the bead, the curl or on the bead formed by the lower annular bead is desired, this surface of the parts can of course also be smooth, which is advantageous if a ring from below on the flanging, Rolled or rolled the annular bead of a lower annular bead and engages in the annular flange. The surface of the annular flange can also be used as a grip surface. For this purpose, it may be roughened, knurled or embossed embossed.
Als vorteilhaft hat sich erwiesen, die Höhe des Ringkanals mindestens der Breite des Wulstes oder der Breite der Umbördelung bzw. der Einrollung derart anzupassen, dass ein eingesetzter Ring oder Fixierring eine sichtbare auffällige Breite aufweist. Die vorstehende Umbördelung, die Einrollung oder der Wulst der unteren Ringsicke außenseitig können aus der Mantelfläche um eine Höhe vorstehen, die gleich der Höhe des vorstehenden Wulstes der parallel verlaufenden mindestens einen oberen Ringsicke ist oder hiervon abweicht und hierdurch die Tiefe des Ringkanals definiert.It has proved to be advantageous to adapt the height of the annular channel at least to the width of the bead or the width of the flange or of the curl such that an inserted ring or fixing ring has a visible conspicuous width. The above bead, the curl or the bead of the lower annular bead on the outside can protrude from the lateral surface by a height which is equal to the height of the protruding bead of parallel at least one upper annular bead or deviates therefrom and thereby defines the depth of the annular channel.
Auch ist es erfindungsgemäß vorgesehen, dass der Ringkanal zur Markierung verwendet werden kann und beispielsweise mit definierten Farben und Inhalten bedruckt sein kann. Wenn ein Ring in den Ringkanal eingesetzt werden soll, so ist es zweckmäßig, diesen derart formangepasst aus Kunststoff herzustellen, dass er unter Ausnutzung der Eigenelastizität einrasten kann. Wenn der Ring ein Originalitätssicherungsring ist, so sollte vor dem Aufdrücken der Schraubverschlusskappe auf den Öffnungshals des Behälters der Fixierring in den Ringkanal eingerastet sein und der damit über Stege verbundene Sicherungsring einen Haltering an der Außenseite des Öffnungshalses mit angeformten Abzugssicherungsrippen oder einem Abzugssicherungsring mit einer nach innen vorstehenden Kante untergreifen, wobei der Sicherungsring beim Abschrauben der Schraubverschlusskappe durch Drehen ausstellbar ist. Hierzu kann eine Schwächungszone mit Segmentfreischnitten am Sicherungsring vorgesehen sein, die beim Abschrauben der Verschlusskappe aufreißen und die Segmente nach außen schwenkend freigeben. Zur Rückzugssicherung kann anstelle eines Halteringes in die Wand des Öffnungshalses auch eine Nut ringförmig eingebracht sein, die einen stufenförmigen Ringflansch aufweist, der von den Abzugssicherungsrippen oder einem Abzugssicherungsring hintergriffen wird. Wenn der Sicherungsring an der Verschlusskappe im abgeschraubten Zustand verbleibt, kann die Verschlusskappe mit dem Sicherungsring entsorgt werden. Es gibt aber auch Anwendungen bei denen es gewünscht ist, dass der Sicherungsring am Flaschenkörper verbleibt. In solchen Fällen sind die Verbindungsstege als Trennstege ausgebildet oder entsprechend ausgebildete Schwächungszonen zwischen dem Fixierring und dem Sicherungsring vorgesehen, die beim Abdrehen der Verschlusskappe abscheren.It is also provided according to the invention that the annular channel can be used for marking and can be printed, for example, with defined colors and contents. If a ring is to be inserted into the annular channel, it is expedient to produce it in such a shape-adapted from plastic, that it can engage by utilizing the inherent elasticity. If the ring is a tamper-evident ring, it should be locked in place before pressing the screw cap on the opening neck of the container, the fixing ring in the annular channel and thus connected via webs retaining ring a retaining ring on the outside of the opening neck with molded trigger fins or a trigger safety ring with an inward engage under the protruding edge, wherein the locking ring is disengageable when unscrewing the screw cap by turning. For this purpose, a weakening zone can be provided with segment cutouts on the retaining ring, which tear when unscrewing the cap and the segments to the outside release swiveling. To retreat, instead of a retaining ring in the wall of the opening neck and a groove be introduced annular, which has a stepped annular flange, which is engaged behind the trigger safety ribs or a trigger safety ring. If the retaining ring on the cap remains in the unscrewed state, the cap can be disposed of with the retaining ring. But there are also applications where it is desired that the retaining ring remains on the bottle body. In such cases, the connecting webs are formed as partitions or correspondingly formed weakening zones between the fixing ring and the retaining ring provided that shear off when turning the cap.
Die Schraubverschlusskappe kann aber auch unmittelbar in Verlängerung am unteren Rand unterhalb des Ringkanals einen in Umfangsrichtung verlaufenden Perforationsabschnitt sowie einen Sicherungsring mit in diesen in Längsrichtung eingebrachten Einschnitten oder Sollbruchstellen bildende Schwächungsrillen aufweisen, welcher Sicherungsring mit dem unteren Wandabschnitt um eine Bördelkante gezogen ist und an der Unterseite des Halteringes und/oder an dem Öffnungshals des Behälters anliegt. Ein solcher Sicherungsring ist z. B. aus der
Grundsätzlich kann die eingearbeitete Sicke ein rundes oder ein trapezförmiges Querschnittsprofil aufweisen und die Umbördelung oder die Einrollung ringförmig vorgesehen sein und eine gerundete oder trapezförmige Oberfläche aufweisen. Auch können in die Mantelwand des Ringkanals Durchbrüche oder aus der Innenfläche der Mantelwand vorstehende Sicken eingearbeitet sein, in die konturenangepasste, innenseitig am Ring oder dem Fixierring vorstehende Arretierungsansätze eingreifen.In principle, the incorporated bead can have a round or a trapezoidal cross-sectional profile and the bead or the curl can be annular and have a rounded or trapezoidal surface. Also, penetrations or beads projecting from the inner surface of the jacket wall can be incorporated into the jacket wall of the annular channel, and into the contour-adapted locking projections projecting on the inside on the ring or the fixing ring.
Ferner umfasst die Erfindung auch solche Ausführungsformen, bei denen der Ring oder der Originalitätsring nicht als aufrastbarer Ring ausgebildet ist, sondern in einer Spritzgießform an die Schraubverschlusskappe angespritzt ist. Die Arretierungsansätze können dabei auch im Zweikomponenten-Spritzverfahren an dem Ring oder Fixierring angebracht sein und sich farblich abheben.Furthermore, the invention also includes such embodiments in which the ring or the tamper-evident ring is not designed as a snap-on ring, but is injection molded onto the screw cap in an injection mold. The locking lugs can also be mounted in the two-component injection process on the ring or fixing ring and stand out in color.
Die Erfindung wird nachfolgend anhand der in den Zeichnungen dargestellten Ausführungsbeispiele ergänzend erläutert.The invention will be explained in the following with reference to the embodiments illustrated in the drawings.
In den Zeichnungen zeigen:
-
Fig.1 eine Schraubverschlusskappe ohne Gewindegänge mit einem erfindungsgemäß vorgesehenen Ringkanal im unteren Bereich, -
Fig.2 eine Schraubverschlusskappe im Schnitt mit einem erfindungsgemäß vorgesehenen Ringkanal, in welchen ein Fixierring an einem Originalitätsring aus Kunststoff eingerastet ist und -
Fig.3 die inFig.2 dargestellte Schraubverschlusskappe im Teilschnitt mit Rändeln.
-
Fig.1 a screw cap without threads with an inventively provided annular channel in the lower area, -
Fig.2 a screw cap in section with an inventively provided annular channel, in which a fixing ring is locked to a tamper evident ring made of plastic and -
Figure 3 in theFig.2 illustrated screw cap in the partial section with knurling.
In
Erfindungsgemäß sind im unteren Abschnitt in der Mantelwand der Schraubverschlusskappe 1, parallel zur Kante 6 verlaufend, eine Ringsicke 3 und eine Umbördelung 4 vorgesehen, die mittels eines Rollwerkzeuges von der Innenseite her eingebracht bzw. durch ein Bördelwerkzeug geformt sind und außenseitig ringförmige Wulste 7 aus der Ebene der Mantelflächen hervorstehen lassen. Die Ringsicke 3 und die Umbördelung 4 sind derart voneinander entfernt angeordnet, dass sie einen sichtbaren Ringkanal 8 begrenzen. Die eingebrachte Ringsicke 3 verstärkt die Mantelwand 2 und verhindert eine Verformung und ein Einziehen beim Prägen des Gewindes in der dafür vorgesehenen Zone der Mantelwand 2 oberhalb der Ringsicke 3. Die ausgeprägten Wulste 7 haben darüber hinaus den Vorteil, dass sie ebenfalls als Prägezone mit verwendet werden können, sodass die Finger beim Öffnen der Schraubverschlusskappe 1 oder beim Zudrehen derselben rutschhemmend angesetzt werden können. Hierdurch wird die Griffigkeit der Schraubverschlusskappe 1 wesentlich erhöht, sodass auch bei festsitzenden Verschlusskappen 1 diese sich lösen lassen, ohne Hilfswerkzeuge hierfür benutzen zu müssen.According to the invention, an
Der Ringkanal 8 wird durch die Wulste 7 bzw. durch die Ringsicke 3 und die Umbördelung 4 begrenzt. Es können aber auch zwei oder mehrere solcher Ringkanäle parallel verlaufend vorgesehen sein, wobei eine Sicke auch die Begrenzung zu beidseitig angeordneten Ringkanälen bilden kann. Sie können mehrfach genutzt werden, z. B. zur Markierung beispielsweise farbig bedruckt sein. Die verwendete Druckfarbe kann beispielsweise eine leuchtend warnende Farbe sein und als Hinweis dienen, dass der Inhalt giftig ist. Hierauf können auch Chargen- und Haltbarkeitsdaten aufgedruckt werden. Der Ringkanal eignet sich zur Markierung mit unterschiedlichsten Gestaltungsmerkmalen. Anstelle einer solchen Bedruckung kann aber auch ein Ring aus Kunststoff eingerastet werden, der diese Funktion wahrnimmt. Ein solcher Ring kann zugleich an der Außenseite mit Rändeln versehen sein und bei entsprechendem Kontaktdruck beim Einrasten zur Betätigung der Schraubverschlusskappe 1 verwendet werden. Die Oberfläche kann auch eine gummierte Schicht sein.The
In weiterer Ausgestaltung kann dieser Ringkanal 8, wie aus
In
- 1.1.
- SchraubverschlusskappeScrew type
- 2.Second
- Mantelwandshell wall
- 3.Third
- Ringsickeannular bead
- 4.4th
- Umbördelungbeading
- 5.5th
- Rückzugssicherung, AbzugssicherungsrippeRetirement security, deduction guarantee rib
- 6.6th
- Kanteedge
- 7.7th
- Wulstbead
- 8.8th.
- U-förmigen RingkanalU-shaped annular channel
- 9.9th
- Verbindungsstegconnecting web
- 10.10th
- OriginalitätssicherungsringTamper evident ring
- 11.11th
- Kappenringcap ring
- 12.12th
- Fixierringfixing
- 13.13th
- Originalitätsringoriginality ring
- 14.14th
- Schwächungszonezone of weakness
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202017105826.3U DE202017105826U1 (en) | 2017-09-26 | 2017-09-26 | Screw cap made of metal |
DE102017122242.1A DE102017122242B3 (en) | 2017-09-26 | 2017-09-26 | Screw cap made of metal |
Publications (1)
Publication Number | Publication Date |
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EP3461759A1 true EP3461759A1 (en) | 2019-04-03 |
Family
ID=63720492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18196515.3A Withdrawn EP3461759A1 (en) | 2017-09-26 | 2018-09-25 | Screw-type cap consisting of metal |
Country Status (1)
Country | Link |
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EP (1) | EP3461759A1 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7304636A (en) * | 1972-04-05 | 1973-10-09 | ||
DE2233305A1 (en) | 1972-07-06 | 1974-01-31 | Bender Werke Gmbh | SCREW CAP WITH ORIGINAL LOCKING RING |
FR2291915A2 (en) | 1974-11-19 | 1976-06-18 | Astra Plastique | Closure for syrup bottle with threaded neck - has tear off ring extension in foil cap to prevent cap sticking on threads |
DE2723115B1 (en) * | 1977-05-23 | 1978-12-07 | Alexander Keller | Metal cap for bottles or the like. Vessels |
EP0155329A1 (en) * | 1984-03-13 | 1985-09-25 | VAW Folien-Verarbeitung GmbH | Protection ring of protecting metallic closures for bottles, wide-recked or similar containers |
DE8801445U1 (en) * | 1988-02-05 | 1989-06-08 | Vaw Folien-Verarbeitung Gmbh, 5012 Bedburg, De | |
DE3909858C3 (en) | 1988-10-05 | 1995-09-21 | Alcoa Gmbh Verpackwerke | Circlip made of plastic for a screw cap for containers |
DE202004016649U1 (en) | 2004-10-28 | 2005-03-03 | Rauh Gmbh & Co. Blechwarenfabrikations Kg | Closure cap for bottle mouth has ring bead with circumferential perforated section with slits and webs whose rotational point has larger mean diameter than retaining ring for easier opening |
WO2017158450A1 (en) * | 2016-03-14 | 2017-09-21 | Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | Apparatus and method for injection moulding a cap with a tamperproof ring |
-
2018
- 2018-09-25 EP EP18196515.3A patent/EP3461759A1/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7304636A (en) * | 1972-04-05 | 1973-10-09 | ||
DE2233305A1 (en) | 1972-07-06 | 1974-01-31 | Bender Werke Gmbh | SCREW CAP WITH ORIGINAL LOCKING RING |
FR2291915A2 (en) | 1974-11-19 | 1976-06-18 | Astra Plastique | Closure for syrup bottle with threaded neck - has tear off ring extension in foil cap to prevent cap sticking on threads |
DE2723115B1 (en) * | 1977-05-23 | 1978-12-07 | Alexander Keller | Metal cap for bottles or the like. Vessels |
EP0155329A1 (en) * | 1984-03-13 | 1985-09-25 | VAW Folien-Verarbeitung GmbH | Protection ring of protecting metallic closures for bottles, wide-recked or similar containers |
DE8801445U1 (en) * | 1988-02-05 | 1989-06-08 | Vaw Folien-Verarbeitung Gmbh, 5012 Bedburg, De | |
DE3909858C3 (en) | 1988-10-05 | 1995-09-21 | Alcoa Gmbh Verpackwerke | Circlip made of plastic for a screw cap for containers |
DE202004016649U1 (en) | 2004-10-28 | 2005-03-03 | Rauh Gmbh & Co. Blechwarenfabrikations Kg | Closure cap for bottle mouth has ring bead with circumferential perforated section with slits and webs whose rotational point has larger mean diameter than retaining ring for easier opening |
WO2017158450A1 (en) * | 2016-03-14 | 2017-09-21 | Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | Apparatus and method for injection moulding a cap with a tamperproof ring |
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