EP2639179B1 - Screw cap with tamper-proof band - Google Patents
Screw cap with tamper-proof band Download PDFInfo
- Publication number
- EP2639179B1 EP2639179B1 EP13001147.1A EP13001147A EP2639179B1 EP 2639179 B1 EP2639179 B1 EP 2639179B1 EP 13001147 A EP13001147 A EP 13001147A EP 2639179 B1 EP2639179 B1 EP 2639179B1
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- EP
- European Patent Office
- Prior art keywords
- cam
- tamper
- screwed plug
- longitudinal axis
- plug 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.)
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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
- B65D41/32—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
- B65D41/3428—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 integrally connected to the closure by means of bridges
Definitions
- the invention relates to a screw cap made of resiliently elastic material, in particular of plastic, for containers, comprising at least one internal thread and at least one tamper-evident strip, which is at least partially connected to the underside of the screw with this, wherein the at least one tamper-evident strip at least one inside, cam-like Projection includes, which engages under a completely closed closure a covenant of the container.
- tamper-evident strips are used, which are connected to the underside of the closure via predetermined breaking points therewith.
- tamper-evident strip For fixing the tamper-evident strip on the containers, regardless of their starting material, such as plastic or glass, they have a mostly continuous circumferential, ring-like collar below the container thread.
- a collar here is a ring-like projection to understand, which is arranged circumferentially mostly below the container outer thread.
- the collar serves to fix the at least one tamper-evident strip or else to guide the container during the filling process.
- US2001 / 0015341 discloses a closure according to the preamble of claim 1. Accordingly, it is an object of the present invention to provide a screw cap which removes the applied force during screwing in such a way that the tamper-evident function is still completely intact after the closure is fully closed. Furthermore, the present invention has for its object to provide a cost-effective screw cap with tamper-evident function, regardless of the containers to be closed and the transfer rings arranged thereon.
- the screw cap has at least one tamper-evident strip, which is designed in one piece or also in several parts. Depending on the manufacturing process of the tamper-evident strip, for example, band-like, one-piece design. Furthermore, it is conceivable that the tamper-evident strip is designed in several parts and, in addition to the connection points to the closure cap, has further attachment points, by means of which, for example, the individual parts of the tamper-evident strip are detachably connected to each other.
- the at least one tamper-evident strip has on the circumference at least one recess, through which the at least one cam-like projection can be guided at least partially when force is applied during closing. This is especially beneficial since during the closure process according to the invention, contrary to the known screw caps from the prior art, the tamper-evident strip almost free of strain, preferably strain-free, over the federal government is feasible.
- the at least one inner, cam-like projection is at least partially passable upon application of force during screwing through at least one recess of the tamper-evident strip, so that the force acting on the cam-like projection force can be dissipated by the outward deflection or pivoting movement by the inventive design of the tamper evident strip ,
- the inner, cam-like projections are guided during screwing against the collar of the container and thus acted upon by a force. Due to the advantageous arrangement of corresponding recesses, this application of force to the cam-like projections causes their deflection outwards, at least partially, through the adjacently arranged recess. Thus, a derivative of the applied force.
- the cam-like projection is returned to its original position due to a restoring force and thus engages under the collar, all connections are still intact.
- the tamper evident strip is almost stretch and / or stress-free, preferably strain and / or stress-free, passed over the federal government, since the at least one cam-like projection is at least partially passed through the at least one recess and thus dissipates the resultant force.
- the connections between the tamper-evident strip and the screw cap are designed as predetermined breaking points, wherein the connections in the longitudinal direction preferably have a conical geometry. This is advantageous because a more predeterminable separation of the connections from the tamper evident strip or the screw cap is required. This makes it possible for almost all connections, preferably all connections, to tear off at the respectively tapered region of the contact surface.
- connections are preferably made wider at the respective common contact surface with the tamper-evident strip than at the corresponding common contact surface Contact surface with the screw cap.
- the connections taper conically in the direction of the screw cap.
- connections taper conically in the longitudinal direction in the direction of the tamper-evident strip in order to allow a predeterminable tear-off.
- all connections are of the same design and all taper conically in the longitudinal direction to the tamper evident strip or to the screw cap closure.
- the connections have a different geometrical design and, for example, have a conical taper, alternating with the tamper-evident strip and with the screw cap closure.
- the tamper-evident strip has at least one additional elevation, preferably 2 to 12 elevations, which extend in the longitudinal direction of the closure cap.
- These surveys have no common contact surface with the closure cap in the force-stress-free state of the screw closure according to the invention and are thus arranged at a distance therefrom.
- These additional surveys are proving to be advantageous, since they require a relieving of the connections and their premature, unwanted breakup is prevented.
- these additional elevations are fixedly arranged on the tamper-evident strip.
- the arrangement of the additional surveys is carried out depending on the size of the screw cap according to the invention.
- screw caps for containers with a small opening diameter it is conceivable, for example, that in each case circumferentially between two connections, such an additional, relieving elevation is arranged.
- additional, relieving elevation is arranged for larger opening diameters.
- additional, relief surveys are provided circumferentially between two connections.
- the additional, relieving elevations in the longitudinal direction of the screw closure according to the invention are designed to be shorter than the connections which connect the tamper evident strip and the screw cap detachably.
- the tamper evident strip has at least one cam-like projection, preferably two to four further cam-like projections, which are arranged at deflection substantially free of deflection.
- the tamper evident strip has at least one cam-like projection, preferably two to four further cam-like projections, which are arranged at deflection substantially free of deflection.
- two of these further cam-like projections are arranged diametrically opposite one another and engage under the collar of the container in the closed state.
- These further cam-like projections are fixedly disposed on the tamper evident strip inside and support this laterally. This is advantageous because these supporting cam-like projections hold and support the tamper-evident strip below the collar when opening the screw cap, so that the tamper-evident strip can not be guided upwards over the collar.
- the at least one cam-like projection can be guided at least partially radially outwardly through the at least one recess when it is acted upon during closing, wherein the recess is designed to be expandable when force is applied during the closing.
- the inner, cam-like projection which is fixedly arranged on the tamper-evident strip, has a common wall surface with the latter.
- This is particularly advantageous according to the invention since during the closing of the container thread circumferentially arranged collar applied to the inside, cam-like projection of the tamper-evident strip with a force such that it can be guided out through the recess and the tamper evident strip dimensionally stable, stress-free and / or remains strain-free and is not deformed or overstretched.
- the force resulting from the torque is deflected according to the invention, so that the connections, which are designed as predetermined breaking points, remain permanently intact during the closing.
- the at least one recess of the tamper-evident strip has at least two interconnected opening sections, preferably three interconnected opening sections.
- the screw cap has the same number of recesses as well as internal, cam-like projections.
- the opening portions of the recess are predetermined, preferably, the opening portions are formed leg-shaped. If there are two interconnected opening sections, they may be aligned, for example, in a tip-shaped manner upwards or downwards in the longitudinal direction of the screw closure according to the invention.
- the corresponding cam-like projection is also preferably formed pyramidal. Further, a round, semi-circular recess is also conceivable, which is concave upwards in the longitudinal direction or down in the longitudinal direction of the screw cap, wherein the cam-like projection is present here preferably ellipsoidal.
- longitudinal direction is to be understood as meaning the spatial extent in which the screw closure according to the invention has its greatest extent.
- This longitudinal direction is also determined by a longitudinal axis, which is preferably designed as a central center axis around which the screw closure according to the invention is preferably rotationally symmetrical.
- a first leg-shaped opening section and a third leg-shaped opening section are in continuous connection with one another via a second opening section and together have a U-shape.
- the inner, cam-like projection has a square or rectangular cross-section, so that the projection is at least partially feasible by force during screwing through the U-shaped opening.
- the U-shape can be open in the longitudinal direction upwards or downwards.
- the at least one tamper-evident strip preferably has 2-12 cam-like projections which are arranged radially inwardly with respect to a longitudinal axis. According to the cam-like projections are arranged diametrically opposite each other. Depending on the geometric design of the cam-like projections, these have a constant spacing from each other or else a varying spacing.
- the cam-like projections may be parallelepiped-shaped, pyramidal, spherical-segment-like or also in any other polygonal spatial design.
- the projections are designed in such a way that the collar is completely engaged under full closure and that the collar rips open the cam-like projections in such a way that the predetermined breaking points between the closure cap and the tamper-evident strip tears open and the tamper-evident strip remains underneath the collar while the closure cap can be removed is.
- the cam-like projections thus preferably have a depth which corresponds to that of the collar.
- a preferably vertically arranged plane is spanned by the cross-sectional areas, which each have the largest, radial extent perpendicular to the longitudinal axis.
- At least one leg-shaped opening section intersects the spanned plane in a predeterminable cross-sectional area along its longitudinal axis and / or is arranged in a predeterminable cross-sectional area within this plane, wherein the cross-sectional area of the teat-like opening section is preferably arranged perpendicular to the longitudinal axis.
- any cap with the technical feature of the tamper evident strip according to the invention forms a screw cap according to the invention.
- ordinary screw caps or screw caps with child safety function can have a reliable, inventive tamper-evident function.
- the latter has a substantially constant torque during the application of force during the closure. This is advantageous, since thus no additional force acts on the connections / predetermined breaking points during the closing and breaks them up and cuts them. According to the invention, the substantially constant torque results in an intact tamper-evident function during the closure of the closure according to the invention.
- the screw cap according to the invention is advantageously designed in one piece and can preferably be produced from plastic materials of known methods.
- the screw cap is composed of plastics, plastic mixtures, composite materials such as fiber-reinforced plastics, thermoplastics, thermosetting plastics, polyethylene, polypropylene and / or a mixture thereof.
- a known from the prior art screw cap 2 is shown, wherein the left side of an outer side 4 and the right side corresponds to an inner cross section 6.
- the known screw cap 2 know a cap 8 with an internal thread 10.
- a tamper-evident strip 14 is arranged on the underside of the closure cap 8, which are detachably connected to the closure cap via a plurality of connections 16.
- the tamper evident strip 14 has a plurality of internal projections 18.
- Fig. 2 shows a screw cap 100 according to the invention, on the left side the outside 104 and on the right side a partial inside cross section 106 is shown.
- the tamper-evident strip 114 is arranged on the closure cap 108 via connections 116.
- the tamper-evident strip 114 has at least one recess 130, through which an inner, cam-like projection 118 arranged thereon can be guided at least partially under force application.
- a plurality of recesses 130 are provided, which are each U-shaped.
- Fig. 3 is a schematic cross section of a screw cap 100 according to the invention shown, wherein like reference numerals will not be described again.
- the screw cap 100 also has a receiving thread 112 onto which, for example, cannulas or syringes (not shown) can be screwed or onto which preferably metering inserts (not shown) for product removal the container can be arranged.
- a receiving thread 112 onto which, for example, cannulas or syringes (not shown) can be screwed or onto which preferably metering inserts (not shown) for product removal the container can be arranged.
- the screw cap 100 according to the invention can also be designed without such a receiving thread 112 in order to combine, for example, further application aids or sealing elements with the screw cap according to the invention.
- Fig. 4a shows a plan view of the tamper evident strip 114 along the section line BB 'of Fig. 3 , which is formed perpendicular to the longitudinal axis L.
- the tamper evident strip 114 is integrally formed.
- the tamper-evident strip 114 comprises at least one, preferably 2 to 12 and most preferably 4 to 8 inner, cam-like projections 118, wherein two cam-like projections 118 are arranged diametrically opposite each other.
- the cam-like projections 118 are oriented towards the longitudinal axis L. This is advantageous since a uniform expansion of the screw closure 100 according to the invention is caused in the production process during demoulding of the tool, and furthermore a uniform, firm seating of the cam-like projections 118 under the collar 24 (not shown) is provided.
- the tamper-evident strip 114 has the same number of recesses 130 corresponding to the number of cam-like projections 118.
- a recess 130 allows the inner, cam-like projection 118, disposed immediately adjacent thereto, to deflect outwardly during the application of force during the guiding of the cam-like projection 118 over the collar 24 (not shown).
- six inner, cam-like projections 118 are arranged directly adjacent to corresponding six recesses 130 and have a common wall region W.
- the orientation of the recesses 130 is in this case, for example, radially.
- the recesses 130 of a left-hand closure half 132 and a right-hand closure half 134 are advantageously arranged parallel to one another.
- the tamper evident strip 114 shows an exemplary recess 130 which is U-shaped.
- the U-shape is formed by a first opening portion 136, which via a second opening portion 138 is in a continuous connection with a third opening portion 140, conditionally.
- an inner, cam-like projection 118 is arranged and has with this a common wall region W.
- the three opening sections 136, 138, 140 of each recess 130 have a comparable geometric configuration.
- the individual opening sections 136, 138, 140 have different geometric dimensions and thus, for example, present different widths or heights.
- each cam-like projection 118 in the longitudinal direction L describes a curved curve with preferably a maximum curvature of maximum radial extent of each cam-like protrusion 118. These curvature maxima span a plane E which is perpendicular to the longitudinal axis L.
- at least one opening section 136 or 140 intersects in its extent along the longitudinal axis L the clamped plane E in a predeterminable cross-sectional area and / or is arranged within this plane E with a predeterminable cross-sectional area.
- both opening sections 136, 140 penetrate the plane E and end below this plane E. This is advantageous since the deflection is thus made possible, so that the cam-like projection 118 can be deflected outwardly during the guidance via the collar 24 (not shown) , Preferably spring, is and after completion of the application of force back to the starting position traceable, preferably Georgiafederbar, and the collar 24 (not shown) is completely under attack.
- the opening portions 136, 140 terminate just below the plane E, preferably 0.1 to 1.0 mm below the plane E.
- Fig. 4c shows a schematic illustration of the spring mechanism, while an internal projection 118 of a screw cap 100 according to the invention is guided over the collar 24 of a container, wherein the recess 130 as in Fig. 4b shown, U-shaped.
- the cam-like projection 118 is guided during the screwing in the longitudinal direction I against the collar 24.
- the recess 130 allows a deflection of the cam-like projection 118 outwardly through the recess 130 through, whereby the common wall area W undergoes a lateral deflection.
- the lateral deflection is due to the residual cross section of the cam-like projection 118.
- the cam-like projections 118 each have the same cross-section, so that a synchronous power dissipation is caused during the screwing. After completion of the application of force to the cam-like projection, ie after passing over the collar 24, the cam-like projection 118 is transferred back to its original position due to the geometrically determined resilience, so that the collar 24 is completely under attacked.
- Fig. 5 shows a three-dimensional view of a screw cap 100 according to the invention
- the outer side 104 is preferably formed groove-like, to allow improved grip during screwing.
- a further embodiment according to the invention of a screw cap 100 is shown, in which case the screw cap is designed as a child-resistant screw cap 100.
- the screw cap On the left side, the preferably grooved outer side 104 of the childproof screw closure 100 according to the invention is shown, whereas on the right side an inner cross section 106 is shown.
- An inventive child-resistant screw cap 100 has an outer cap 108a and an inner cap 108b, wherein the inner cap 108b has an internal thread 110.
- the at least one tamper-evident strip 114 is arranged over a multiplicity of connections 116.
- the tamper evident strip 114 preferably comprises a plurality of internal, cam-like projections 118, which at least partially, preferably completely, can be passed through the respective recesses 130.
- the recesses 130, their opening portions, as well as their functionality are according to the embodiment described in detail above in FIG Fig. 2 to 5 to this child-resistant embodiment of the screw cap 200 according to the invention analogously applicable.
- Fig. 7 is a correspondingly inventive childproof screw 100 spatially shown.
- Fig. 8a shows a cross-sectional portion of another embodiment of a screw cap 100 according to the invention, wherein the same components as in the previous embodiments will not be explained again.
- the illustrated cross-section section shows another inventive design of the tamper evident strip 114 of the screw according to the invention and is thus suitable for any screw caps with tamper evident.
- the tamper-evident strip 114 is detachably connected via connections 116 to the closure cap 108, wherein the connections 116 taper conically in the longitudinal direction I towards the closure cap 108. This is advantageous since, when force is applied during screwing on, the connections preferably break at the tapered, common contact surfaces with the closure cap 108. Of course, it is also conceivable that the connections 116 to the tamper evident strip 114 are tapered.
- the tamper evident strip 114 has relief protrusions 142 which are fixedly attached to the tamper evident strip 114 and extend longitudinally toward the closure cap 108 but have no common contact surface therewith and are spaced therefrom in the longitudinal direction I.
- Such elevations 142 prove to be advantageous since they support the closure cap 108 slightly against the tamper evident strip 114 and prevent unintentional premature breakage of the connections 116.
- the relieving elevations 142 are preferably arranged at a distance from the closure cap 108 in the longitudinal direction in such a way that, when this distance 144 is overcome, for example by application of force, the connections 116 remain intact and intact.
- Fig. 8b shows a plan view of a screw cap 100 according to the invention Fig. 8a along the line C-C '.
- the tamper-evident strip 114 has further cam-like projections 146, which are arranged diametrically opposite one another and are laterally substantially free of deflection when force is applied during closing.
- these further cam-like projections 146 which are fixedly arranged on the tamper evident strip 114 inside, no corresponding recesses 130 are arranged directly adjacent.
- Such cam-like projections 146 prove to be advantageous, since the tamper-evident strip 114 thereby underneath the Federal (not shown) is held and lateral guidance over the federal government is thus prevented.
- FIG. 9 shows a diagram of the torque curve J during the closure of a screw cap 100 according to the invention and of a screw cap 2 known from the prior art.
- the abscissa indicates the time course of the measuring time in seconds, whereas the ordinate represents the resulting force in Ncm.
- Curve P shows the torque curve of the torque for a screw cap known from the prior art with normal tamper evident strips. The curve P increases steadily from the beginning of the closure, to about 65 Ncm, and then drops abruptly. This curve corresponds to the transfer of the cam-like projections over the collar. Once the covenant has been crossed, the force application ends abruptly and the curve drops significantly.
- the curve T shows an almost constant application of force during the entire measuring time.
- the force acting during closing torque J and thus the application of force to the connections during the transfer of the cam-like projections on the collar a reduction in the application of force of up to 20%, preferably up to 40%, compared to the acting application of force in known closures of the prior art.
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Description
Die Erfindung beschreibt einen Schraubverschluss aus federnd elastischem Material, insbesondere aus Kunststoff, für Behältnisse, umfassend wenigstens ein Innengewinde und wenigstens einen Originalitätssicherungsstreifen, welcher zumindest teilweise an der Unterseite des Schraubverschlusses mit diesem verbunden ist, wobei der wenigstens eine Originalitätssicherungsstreifen wenigstens einen innen liegenden, nockenartigen Vorsprung umfasst, welcher bei vollständig verschlossenem Verschluss einen Bund des Behältnisses untergreift.The invention relates to a screw cap made of resiliently elastic material, in particular of plastic, for containers, comprising at least one internal thread and at least one tamper-evident strip, which is at least partially connected to the underside of the screw with this, wherein the at least one tamper-evident strip at least one inside, cam-like Projection includes, which engages under a completely closed closure a covenant of the container.
Aus dem Stand der Technik sind Schraubverschlüsse mit Originalitätssicherungsstreifen bekannt, welche zu Fälschungssicherung von beispielsweise Medikamenten oder Getränken eingesetzt werden, um den Originalverschlusszustand nach dem herstellerseitigen Abfüllprozess anzuzeigen.From the prior art screw caps with tamper evident strips are known, which are used to prevent forgery of, for example, drugs or drinks to indicate the original closure state after the manufacturer's filling process.
Bei bekannten Verschlüssen aus dem Stand der Technik werden Originalitätssicherungsstreifen verwendet, welche an der Unterseite des Verschlusses über Sollbruchstellen mit diesem verbunden sind. Zur Fixierung des Originalitätssicherungsstreifens an den Behältnissen, unabhängig von deren Ausgangsmaterial, wie beispielsweise Kunststoff oder Glas, weisen diese einen meist durchgängig umlaufenden, ringartigen Bund unterhalb des Behältergewindes. Wird nun ein Behältnis nach dem Befüllen mit derartigen bekannten Verschlüssen verschlossen, so bedingt der ringartige Bund während der Verschraubung eine Aufweitung des an der Unterseite des Verschlusses angeordneten Originalitätssicherungsstreifens, da innenliegende Vorsprünge ebenfalls über diesen Bund geführt werden müssen. Hierdurch wirkt ein erhöhtes Drehmoment insbesondere auf die Sollbruchstellen und führen somit häufig bereits während des herstellerseitigen Abfüllprozesses zu einer Verletzung bzw. zu einem Aufbrechen der Sollbruchstellen, wodurch die Originalitätssicherungsfunktion des Verschlusses verloren geht und die entsprechenden Behältnisse aussortiert werden müssen.In known closures from the prior art, tamper-evident strips are used, which are connected to the underside of the closure via predetermined breaking points therewith. For fixing the tamper-evident strip on the containers, regardless of their starting material, such as plastic or glass, they have a mostly continuous circumferential, ring-like collar below the container thread. Now, if a container is closed after filling with such known closures, so requires the annular collar during the screw widening of the arranged on the underside of the closure tamper evident strip, since internal projections must also be performed on this covenant. As a result, an increased torque acts in particular on the predetermined breaking points and thus often lead Already during the manufacturer's filling process to a breach or a breaking of the predetermined breaking points, whereby the tamper-evident function of the closure is lost and the corresponding containers must be sorted out.
Als Bund ist hierbei ein ringartiger Vorsprung zu verstehen, welcher umfangsseitig meist unterhalb des Behälteraußengewindes angeordnet ist. Der Bund dient zur Fixierung des wenigstens einen Originalitätssicherungsstreifens oder auch zur Führung des Behältnisses während des Abfüllprozesses.As a collar here is a ring-like projection to understand, which is arranged circumferentially mostly below the container outer thread. The collar serves to fix the at least one tamper-evident strip or else to guide the container during the filling process.
Diese Aufgabe wird gemäß den Merkmalen des Patentanspruches 1 gelöst. Weitere vorteilhafte Ausführungsformen ergeben sich aus den Unteransprüchen.This object is achieved according to the features of claim 1. Further advantageous embodiments will become apparent from the dependent claims.
Erfindungsgemäß weist der Schraubverschluss wenigstens einen Originalitätssicherungsstreifen auf, welcher einteilig oder auch mehrteilig ausgebildet ist. Je nach Herstellungsverfahren ist der Originalitätssicherungsstreifen beispielsweise bandartig, einteilig ausgebildet. Ferner ist denkbar, dass der Originalitätssicherungsstreifen mehrteilig ausgebildet ist und neben den Anbindungstellen zur Verschlusskappe weitere Anbindungsstellen aufweist, mittels welchen beispielsweise die einzelnen Teile des Originalitätssicherungsstreifens miteinander in lösbarer Verbindung stehen.According to the invention, the screw cap has at least one tamper-evident strip, which is designed in one piece or also in several parts. Depending on the manufacturing process of the tamper-evident strip, for example, band-like, one-piece design. Furthermore, it is conceivable that the tamper-evident strip is designed in several parts and, in addition to the connection points to the closure cap, has further attachment points, by means of which, for example, the individual parts of the tamper-evident strip are detachably connected to each other.
Ein wesentlicher Punkt der Erfindung besteht darin, dass der wenigstens eine Originalitätssicherungsstreifen umfangsseitig wenigstens eine Ausnehmung aufweist, durch welche bei Kraftbeaufschlagung während des Verschließens der wenigstens eine nockenartige Vorsprung zumindest teilweise hindurch führbar ist. Dies ist besonders vorteilhaft, da während des erfindungsgemäßen Verschlussprozesses, entgegen den bekannten Schraubverschlüssen aus dem Stand der Technik, der Originalitätssicherungsstreifen nahezu dehnungsfrei, bevorzugt dehnungsfrei, über den Bund führbar ist. Der wenigstens eine innenliegende, nockenartige Vorsprung ist bei Kraftbeaufschlagung während der Verschraubung durch wenigstens eine Ausnehmung des Originalitätssicherungsstreifens zumindest teilweise hindurchführbar, so dass die auf den nockenartigen Vorsprung wirkende Kraft durch dessen nach außen gerichtete Auslenk- bzw. Schwenkbewegung durch die erfindungsgemäße Ausgestaltung des Originalitätssicherungsstreifens abführbar ist.An essential point of the invention is that the at least one tamper-evident strip has on the circumference at least one recess, through which the at least one cam-like projection can be guided at least partially when force is applied during closing. This is especially beneficial since during the closure process according to the invention, contrary to the known screw caps from the prior art, the tamper-evident strip almost free of strain, preferably strain-free, over the federal government is feasible. The at least one inner, cam-like projection is at least partially passable upon application of force during screwing through at least one recess of the tamper-evident strip, so that the force acting on the cam-like projection force can be dissipated by the outward deflection or pivoting movement by the inventive design of the tamper evident strip ,
Durch den erfindungsgemäßen Schraubverschluss werden die innenliegenden, nockenartigen Vorsprünge während des Verschraubens gegen den Bund des Behältnisses geführt und somit mit einer Kraft beaufschlagt. Durch die vorteilhafte Anordnung entsprechender Ausnehmungen bedingt diese Kraftbeaufschlagung der nockenartigen Vorsprünge deren Auslenkung nach außen, zumindest teilweise, durch die benachbart angeordnete Ausnehmung hindurch. Somit erfolgt eine Ableitung der einwirkenden Kraft. Mit Beendigung der Kraftbeaufschlagung, wenn also der wenigstens eine nockenartige Vorsprung über den Bund geführt ist, wird der nockenartige Vorsprung aufgrund einer Rückstellkraft wieder in seine Ausgangsposition zurückgeführt und untergreift somit den Bund, wobei alle Anbindungen weiterhin intakt sind. So wird erfindungsgemäß der Originalitätssicherungsstreifen nahezu dehnungs- und/oder spannungsfrei, bevorzugt dehnungs- und/oder spannungsfrei, über den Bund geführt, da der wenigstens eine nockenartige innenliegende Vorsprung zumindest teilweise durch die wenigstens eine Ausnehmung hindurchführbar ist und somit die resultierende Kraft abführt.By screw closure according to the invention, the inner, cam-like projections are guided during screwing against the collar of the container and thus acted upon by a force. Due to the advantageous arrangement of corresponding recesses, this application of force to the cam-like projections causes their deflection outwards, at least partially, through the adjacently arranged recess. Thus, a derivative of the applied force. Upon completion of the application of force, that is, if the at least one cam-like projection is guided over the collar, the cam-like projection is returned to its original position due to a restoring force and thus engages under the collar, all connections are still intact. Thus, according to the invention, the tamper evident strip is almost stretch and / or stress-free, preferably strain and / or stress-free, passed over the federal government, since the at least one cam-like projection is at least partially passed through the at least one recess and thus dissipates the resultant force.
Erfindungsgemäß sind die Anbindungen zwischen Originalitätssicherungsstreifen und Schraubverschlusskappe als Sollbruchstellen ausgebildet, wobei die Anbindungen in Längsrichtung bevorzugt eine konische Geometrie aufweisen. Dies ist vorteilhaft, da somit ein vorbestimmbarerer Abriss der Anbindungen von dem Originalitätssicherungsstreifen bzw. der Schraubverschlusskappe bedingt wird. So wird ermöglicht, dass nahezu alle Anbindungen, bevorzugt alle Anbindungen, an dem jeweils verjüngten Bereich der Kontaktfläche abreißen.According to the invention, the connections between the tamper-evident strip and the screw cap are designed as predetermined breaking points, wherein the connections in the longitudinal direction preferably have a conical geometry. This is advantageous because a more predeterminable separation of the connections from the tamper evident strip or the screw cap is required. This makes it possible for almost all connections, preferably all connections, to tear off at the respectively tapered region of the contact surface.
Die Anbindungen sind bevorzugt an der jeweiligen gemeinsamen Kontaktfläche mit dem Originalitätssicherungsstreifen breiter ausgebildet als an der entsprechenden gemeinsamen Kontaktfläche mit der Schraubverschlusskappe. Die Anbindungen verjüngen sich somit konisch in Richtung der Schraubverschlusskappe.The connections are preferably made wider at the respective common contact surface with the tamper-evident strip than at the corresponding common contact surface Contact surface with the screw cap. The connections taper conically in the direction of the screw cap.
Ferner ist denkbar, dass die Anbindungen sich in Längsrichtung in Richtung des Originalitätssicherungsstreifens konisch verjüngen, um einen vorbestimmbaren Abriss zu ermöglichen. Im einfachsten Fall sind alle Anbindungen gleich ausgebildet und verjüngen sich alle in Längsrichtung konisch zum Originalitätssicherungsstreifen bzw. zum Schraubkappenverschluss hin. Es ist allerdings auch denkbar, dass die Anbindungen unterschiedlich geometrisch ausgebildet sind und beispielsweise alternierend zum Originalitätssicherungsstreifen und zum Schraubkappenverschluss hin eine konische Verjüngung aufweisen.It is also conceivable that the connections taper conically in the longitudinal direction in the direction of the tamper-evident strip in order to allow a predeterminable tear-off. In the simplest case, all connections are of the same design and all taper conically in the longitudinal direction to the tamper evident strip or to the screw cap closure. However, it is also conceivable that the connections have a different geometrical design and, for example, have a conical taper, alternating with the tamper-evident strip and with the screw cap closure.
Bevorzugt weist der Originalitätssicherungsstreifen wenigstens eine zusätzliche Erhebung, bevorzugt 2 bis 12 Erhebungen auf, welche sich in Längsrichtung zur Verschlusskappe hin erstrecken. Diese Erhebungen weisen im kraftbeanspruchungsfreien Zustand des erfindungsgemäßen Schraubverschlusses keine gemeinsame Kontaktfläche mit der Verschlusskappe auf und sind somit von dieser beabstandet angeordnet. Diese zusätzlichen Erhebungen erweisen sich als vorteilhaft, da diese eine Entlastung der Anbindungen bedingen und deren frühzeitiges, ungewolltes Aufbrechen verhindert wird. Erfindungsgemäß sind diese zusätzlichen Erhebungen am Originalitätssicherungsstreifen fest angeordnet.Preferably, the tamper-evident strip has at least one additional elevation, preferably 2 to 12 elevations, which extend in the longitudinal direction of the closure cap. These surveys have no common contact surface with the closure cap in the force-stress-free state of the screw closure according to the invention and are thus arranged at a distance therefrom. These additional surveys are proving to be advantageous, since they require a relieving of the connections and their premature, unwanted breakup is prevented. According to the invention, these additional elevations are fixedly arranged on the tamper-evident strip.
Die Anordnung der zusätzlichen Erhebungen erfolgt je nach Größe des erfindungsgemäßen Schraubverschlusses. Bei Schraubverschlüssen für Behältnisse mit geringen Öffnungsdurchmesser ist beispielsweise denkbar, dass jeweils umfangsseitig zwischen zwei Anbindungen eine derartige zusätzliche, entlastende Erhebung angeordnet ist. Bei größeren Öffnungsdurchmessern ist auch denkbar, dass mehrere zusätzliche, entlastende Erhebungen umfangsseitig zwischen zwei Anbindungen vorgesehen sind.The arrangement of the additional surveys is carried out depending on the size of the screw cap according to the invention. In the case of screw caps for containers with a small opening diameter, it is conceivable, for example, that in each case circumferentially between two connections, such an additional, relieving elevation is arranged. For larger opening diameters is also conceivable that several additional, relief surveys are provided circumferentially between two connections.
Erfindungsgemäß sind die zusätzlichen, entlastenden Erhebungen in der Längsrichtung des erfindungsgemäßen Schraubverschlusses kürzer ausgebildet als die Anbindungen, welche Originalitätssicherungsstreifen und Schraubverschlusskappe miteinander lösbar verbinden.According to the invention, the additional, relieving elevations in the longitudinal direction of the screw closure according to the invention are designed to be shorter than the connections which connect the tamper evident strip and the screw cap detachably.
Darüber hinaus ist denkbar, dass der Originalitätssicherungsstreifen wenigstens einen nockenartigen Vorsprung, bevorzugt zwei bis 4 weitere nockenartige Vorsprünge aufweist, welche bei Kraftbeaufschlagung im Wesentlichen auslenkungsfrei angeordnet sind. Bevorzugt sind jeweils zwei dieser weiteren nockenartigen Vorsprünge einander diametral gegenüberliegend angeordnet und untergreifen im geschlossen Zustand den Bund des Behältnisses. Diese weiteren nockenartigen Vorsprünge sind innenliegend am Originalitätssicherungsstreifen fest angeordnet und stützen diesen seitlich ab. Dies ist vorteilhaft, da diese abstützenden nockartigen Vorsprünge beim Öffnen des Schraubverschlusses den Originalitätssicherungsstreifen unterhalb des Bundes halten und abstützen, so dass der Originalitätssicherungsstreifen nicht über den Bund nach oben führbar ist.In addition, it is conceivable that the tamper evident strip has at least one cam-like projection, preferably two to four further cam-like projections, which are arranged at deflection substantially free of deflection. Preferably, in each case two of these further cam-like projections are arranged diametrically opposite one another and engage under the collar of the container in the closed state. These further cam-like projections are fixedly disposed on the tamper evident strip inside and support this laterally. This is advantageous because these supporting cam-like projections hold and support the tamper-evident strip below the collar when opening the screw cap, so that the tamper-evident strip can not be guided upwards over the collar.
Bei einer weiteren erfindungsgemäßen Ausführungsform ist der wenigstens eine nockenartige Vorsprung bei Kraftbeaufschlagung während des Verschließens zumindest teilweise radial nach außen durch die wenigstens eine Ausnehmung hindurchführbar, wobei die Ausnehmung bei Kraftbeaufschlagung während des Verschließens erweiterbar ausgebildet ist. Dies ist vorteilhaft, da somit die durch das beim Verschließen resultierende Drehmoment einwirkende Kraft zumindest teilweise radial nach außen abführbar ist und die Anbindungen bzw. Sollbruchstellen im Wesentlichen kraftbeaufschlagungsfrei bleiben. Somit ist eine Originalitätssicherungsfunktion bereits während des Verschließens gewährleistet, da die Anbindungen dauerhaft intakt bleiben, bevor das Behältnis erstmalig geöffnet wird.In a further embodiment according to the invention, the at least one cam-like projection can be guided at least partially radially outwardly through the at least one recess when it is acted upon during closing, wherein the recess is designed to be expandable when force is applied during the closing. This is advantageous since the force acting as a result of closing the closing torque can thus be dissipated at least partially radially outwards and the connections or predetermined breaking points remain substantially free of force. Thus, a tamper-evident function is already ensured during the closure, as the connections remain permanently intact before the container is opened for the first time.
Ein Wandungsbereich des Originalitätssicherungsstreifens, welcher zwischen zwei miteinander in Verbindung stehenden Öffnungsabschnitten angeordnet ist, ist gleichzeitig ein Wandungsbereich des innenliegenden, nockenartigen Vorsprungs. Dies ist vorteilhaft, da somit der innenliegende, nockenartige Vorsprung, welcher fest an dem Originalitätssicherungsstreifen angeordnet ist, eine gemeinsame Wandfläche mit diesem aufweist. Dies ist insbesondere erfindungsgemäß vorteilhaft, da während des Verschließens der unterhalb des Behältergewindes umlaufend angeordnete Bund den innen liegenden, nockenartigen Vorsprung des Originalitätssicherungsstreifens mit einer Kraft derart beaufschlagt, sodass dieser nach außen durch die Ausnehmung hindurch führbar ist und der Originalitätssicherungsstreifen formstabil, spannungsfrei und/oder dehnungsfrei bleibt und nicht deformiert bzw. überdehnt wird. Durch diese Hindurchführung des innenliegenden, nockenartigen Vorsprungs wird die durch das Drehmoment resultierende Kraft erfindungsgemäß abgelenkt, sodass die Anbindungen, welche als Sollbruchstellen ausgebildet sind, während des Verschließens dauerhaft intakt bleiben.A wall portion of the tamper-evident strip, which is disposed between two communicating opening portions, is at the same time a wall portion of the inside cam-like projection. This is advantageous because thus the inner, cam-like projection, which is fixedly arranged on the tamper-evident strip, has a common wall surface with the latter. This is particularly advantageous according to the invention, since during the closing of the container thread circumferentially arranged collar applied to the inside, cam-like projection of the tamper-evident strip with a force such that it can be guided out through the recess and the tamper evident strip dimensionally stable, stress-free and / or remains strain-free and is not deformed or overstretched. By this passage of the inner, cam-like projection, the force resulting from the torque is deflected according to the invention, so that the connections, which are designed as predetermined breaking points, remain permanently intact during the closing.
Bei einer weiteren vorteilhaften Ausführungsform weist die wenigstens eine Ausnehmung des Originalitätssicherungsstreifens wenigstens zwei miteinander verbundene Öffnungsabschnitte, bevorzugt drei miteinander verbundene Öffnungsabschnitte, auf. Dies ist vorteilhaft, da somit der Öffnungsquerschnitt der Ausnehmung je nach Anwendung unterschiedlich ausgebildet sein kann. Erfindungsgemäß weist der Schraubverschluss die gleiche Anzahl an Ausnehmungen wie auch an innenliegenden, nockenartigen Vorsprüngen auf. Je nach geometrischer Ausbildung der innen liegenden, nockenartigen Vorsprünge sind die Öffnungsabschnitte der Ausnehmung vorgegeben, bevorzugt sind die Öffnungsabschnitte schenkelförmig ausgebildet. Liegen zwei miteinander verbundene Öffnungsabschnitte vor, so können diese beispielsweise spitzenförmig nach oben oder nach unten in Längsrichtung des erfindungsgemäßen Schraubverschlusses ausgerichtet sein. Der korrespondierende nockenartige Vorsprung ist hierbei ebenfalls bevorzugt pyramidal ausgebildet. Ferner ist auch eine runde, halbkreisförmige Ausnehmung denkbar, welche konkav nach oben in Längsrichtung oder nach unten in Längsrichtung des Schraubverschlusses ausgebildet ist, wobei der nockenartige Vorsprung hierbei bevorzugt ellipsoidal vorliegt.In a further advantageous embodiment, the at least one recess of the tamper-evident strip has at least two interconnected opening sections, preferably three interconnected opening sections. This is advantageous, since thus the opening cross-section of the recess can be designed differently depending on the application. According to the invention, the screw cap has the same number of recesses as well as internal, cam-like projections. Depending on the geometric design of the inner, cam-like projections, the opening portions of the recess are predetermined, preferably, the opening portions are formed leg-shaped. If there are two interconnected opening sections, they may be aligned, for example, in a tip-shaped manner upwards or downwards in the longitudinal direction of the screw closure according to the invention. The corresponding cam-like projection is also preferably formed pyramidal. Further, a round, semi-circular recess is also conceivable, which is concave upwards in the longitudinal direction or down in the longitudinal direction of the screw cap, wherein the cam-like projection is present here preferably ellipsoidal.
Unter Längsrichtung ist hierbei die räumliche Ausdehnung zu verstehen, in welcher der erfindungsgemäße Schraubverschluss seine größte Ausdehnung aufweist. Diese Längsrichtung wird zudem von einer Längsachse bestimmt, welche bevorzugt als zentrale Mittelachse ausgebildet, um welche der erfindungsgemäße Schraubverschluss bevorzugt rotationssymmetrisch ausgebildet ist.In this case, longitudinal direction is to be understood as meaning the spatial extent in which the screw closure according to the invention has its greatest extent. This longitudinal direction is also determined by a longitudinal axis, which is preferably designed as a central center axis around which the screw closure according to the invention is preferably rotationally symmetrical.
In einer weiteren erfindungsgemäßen Ausführungsform ist ein erster schenkelförmiger Öffnungsabschnitt und ein dritter schenkelförmiger Öffnungsabschnitt über einen zweiten Öffnungsabschnitt miteinander in durchgängiger Verbindung und weist zusammen eine U-Form auf. Dies ist vorteilhaft, wenn der innen liegende, nockenartige Vorsprung einen quadratischen oder rechteckigen Querschnitt aufweist, sodass der Vorsprung bei Kraftbeaufschlagung während des Verschraubens zumindest teilweise durch die U-förmige Öffnung durchführbar ist. Die U-Form kann in Längsrichtung nach oben oder aber auch nach unten geöffnet vorliegen. Durch diese U-Form wird die Rückstellkraft des wenigstens einen nockenartigen Vorsprungs bedingt. so dass dieser mit Beendigung der Kraftbeaufschlagung wieder durch die Ausnehmung rückhindurchführbar in seine Ausgangsposition ist und den Bund vollständig untergreift. Selbstverständlich ist diese Form nicht begrenzend, sondern kann beliebig erweitert werden. Bevorzugt ist die geometrische Ausgestaltung der Ausnehmung und somit auch der Öffnungsabschnitte dem jeweiligen innenliegenden, nockenartige Vorsprung angepasst, sodass dieser zumindest teilweise, bevorzugt gänzlich, während der Kraftbeaufschlagung des Verschließens durch die entsprechende Ausnehmung hindurch führbar ist.In a further embodiment according to the invention, a first leg-shaped opening section and a third leg-shaped opening section are in continuous connection with one another via a second opening section and together have a U-shape. This is advantageous if the inner, cam-like projection has a square or rectangular cross-section, so that the projection is at least partially feasible by force during screwing through the U-shaped opening. The U-shape can be open in the longitudinal direction upwards or downwards. By this U-shape, the restoring force of the at least one cam-like projection is conditional. so that this is with the completion of the application of force again through the recess rückhindurchführbar to its original position and the federal government completely undercut. Of course, this form is not limiting, but can be extended as desired. Preferably, the geometric configuration of the recess and thus also the opening portions of the respective inner, cam-like projection adapted so that it at least partially, preferably entirely, during the application of force to the closing through the corresponding recess can be guided.
Bei einer weiteren vorteilhaften Ausführungsform der Erfindung weist der wenigstens eine Originalitätssicherungsstreifen bevorzugt 2-12 nockenartige Vorsprünge auf, welche radial nach innen in Bezug auf eine Längsachse angeordnet sind. Erfindungsgemäß sind die nockenartigen Vorsprünge diametral einander gegenüber liegend angeordnet. Je nach geometrischer Ausbildung der nockenartigen Vorsprünge weisen diese zueinander eine konstante Beabstandung oder aber auch eine variierende Beabstandung auf.In a further advantageous embodiment of the invention, the at least one tamper-evident strip preferably has 2-12 cam-like projections which are arranged radially inwardly with respect to a longitudinal axis. According to the cam-like projections are arranged diametrically opposite each other. Depending on the geometric design of the cam-like projections, these have a constant spacing from each other or else a varying spacing.
Je nach zu verschließendem Behältnis können die nockenartigen Vorsprünge quaderförmig, pyramidal, kugelsegmentartig oder auch in jeglicher anderer polygonaler räumlicher Ausführung ausgebildet sein. Die Vorsprünge sind erfindungsgemäß derart ausgebildet, dass der Bund bei vollständigen Verschluss vollständig untergriffen wird und dass der Bund die nockenartigen Vorsprünge bei einem ersten Aufschrauben derart fixiert, dass die Sollbruchstellen zwischen Verschlusskappe und Originalitätssicherungsstreifen aufreißen und der Originalitätssicherungsstreifen unterhalt des Bundes verbleibt, während die Verschlusskappe abnehmbar ist. Bevorzugt weisen die nockenartigen Vorsprünge somit eine Tiefe auf, welche der des Bundes entspricht.Depending on the container to be closed, the cam-like projections may be parallelepiped-shaped, pyramidal, spherical-segment-like or also in any other polygonal spatial design. According to the invention, the projections are designed in such a way that the collar is completely engaged under full closure and that the collar rips open the cam-like projections in such a way that the predetermined breaking points between the closure cap and the tamper-evident strip tears open and the tamper-evident strip remains underneath the collar while the closure cap can be removed is. The cam-like projections thus preferably have a depth which corresponds to that of the collar.
Bei einer weiteren vorteilhaften Ausführungsform weisen die nockenartigen, innenliegenden Vorsprünge entlang der Längsachse eine von oben nach unten abnehmende Querschnittsfläche auf, welche bevorzugt senkrecht zur Längsachse angeordnet ist. Dies ist vorteilhaft, da somit die nockenartigen Vorsprünge über den Bund führbar sind unter gleichzeitiger Auslenkung durch die korrespondierenden Ausnehmungen. Die Auslenkung erfolgt hierbei reversibel, so dass eine ausreichende Rückstellkraft die nockenartigen Vorsprünge nach Auslenkung durch den ringartigen Bund wieder in ihre Ausgangsposition zurückführt und die nockenartigen Vorsprünge den Bund vollständig untergreifen.In a further advantageous embodiment, the cam-like, inner projections along the longitudinal axis on a decreasing from top to bottom cross-sectional area, which is preferably arranged perpendicular to the longitudinal axis. This is advantageous because thus the cam-like projections on the federal government can be guided with simultaneous deflection by the corresponding recesses. The deflection is reversible, so that a sufficient restoring force returns the cam-like projections after deflection through the annular collar back to its original position and the cam-like projections fully engage under the federal government.
Bei einer weiteren vorteilhaften Ausführungsform ist eine bevorzugt senkrecht angeordnete Ebene durch die Querschnittsflächen, welche jeweils die größte, radiale Ausdehnung senkrecht zur Längsachse aufweisen, aufgespannt. Dies ist vorteilhaft, da je nach Anordnung dieser Ebene in Längsrichtung die Rückstellkraft der nockenartigen Vorsprünge vorbestimmbar und einstellbar ist.In a further advantageous embodiment, a preferably vertically arranged plane is spanned by the cross-sectional areas, which each have the largest, radial extent perpendicular to the longitudinal axis. This is advantageous since, depending on the arrangement of this plane in the longitudinal direction, the restoring force of the cam-like projections can be predetermined and adjusted.
Bei einer weiteren vorteilhaften Ausführungsform schneidet wenigstens ein schenkelförmiger Öffnungsabschnitt in seiner Erstreckung entlang der Längsachse die aufgespannte Ebene in einer vorbestimmbaren Querschnittsfläche und/oder ist in einer vorbestimmbaren Querschnittsfläche innerhalb dieser Ebene angeordnet, wobei die Querschnittsfläche des schenkeiförmigen Öffnungsabschnitts bevorzugt senkrecht zur Längsachse angeordnet ist.In a further advantageous embodiment, at least one leg-shaped opening section intersects the spanned plane in a predeterminable cross-sectional area along its longitudinal axis and / or is arranged in a predeterminable cross-sectional area within this plane, wherein the cross-sectional area of the teat-like opening section is preferably arranged perpendicular to the longitudinal axis.
Somit bildet jede beliebige Verschlusskappe mit dem erfindungsgemäßen technischen Merkmal des Originalitätssicherungsstreifens einen erfindungsgemäßen Schraubverschluss. So können gewöhnliche Schraubverschlüsse oder auch Schraubverschlüsse mit Kindersicherungsfunktion eine verlässliche, erfindungsgemäße Originalitätssicherungsfunktion aufweisen.Thus, any cap with the technical feature of the tamper evident strip according to the invention forms a screw cap according to the invention. Thus, ordinary screw caps or screw caps with child safety function can have a reliable, inventive tamper-evident function.
In einer weiteren vorteilhaften Ausführungsform weist dieser bei Kraftbeaufschlagung ein im Wesentlichen konstantes Drehmoment während des Verschließens auf. Dies ist vorteilhaft, da somit keine zusätzliche Kraft während des Verschließens auf die Anbindungen/Sollbruchstellen wirkt und diese aufbricht und durchtrennt. Erfindungsgemäß führt das im Wesentlichen konstante Drehmoment zu einer intakten Originalitätssicherungsfunktion während des Verschließens des erfindungsgemäßen Verschlusses.In a further advantageous embodiment, the latter has a substantially constant torque during the application of force during the closure. This is advantageous, since thus no additional force acts on the connections / predetermined breaking points during the closing and breaks them up and cuts them. According to the invention, the substantially constant torque results in an intact tamper-evident function during the closure of the closure according to the invention.
Der erfindungsgemäße Schraubverschluss ist vorteilhaft einteilig ausgebildet und bevorzugt aus Kunststoffmitteln bekannter Verfahren herstellbar. Erfindungsgemäß ist der Schraubverschluss aus Kunststoffen, Kunststoffgemischen, Verbundwerkstoffen wie beispielsweise faserverstärkte Kunststoffe, thermoplastische Kunststoffe, duroplastische Kunststoffe, Polyethylen, Polypropylen und/oder einer Mischung hieraus zusammengesetzt.The screw cap according to the invention is advantageously designed in one piece and can preferably be produced from plastic materials of known methods. According to the invention the screw cap is composed of plastics, plastic mixtures, composite materials such as fiber-reinforced plastics, thermoplastics, thermosetting plastics, polyethylene, polypropylene and / or a mixture thereof.
Weitere vorteilhafte Ausführungen ergeben sich aus den beigefügten Zeichnungen.Further advantageous embodiments will become apparent from the accompanying drawings.
Darin zeigen:
- Fig. 1
- einen aus dem Stand der Technik bekannten Schraubverschluss;
- Fig. 2
- einen erfindungsgemäßen Schraubverschluss;
- Fig. 3
- einen schematischen Querschnitt eines erfindungsgemäßen Schraubverschlusses;
- Fig. 4a
- eine schematische Draufsicht auf einen Teil eines erfindungsgemäßen Schraubverschlusses;
- Fig. 4b
- einen schematischen Querschnittsausschnitt eines erfindungsgemäßen Schraubverschlusses;
- Fig. 4c
- eine schematische Veranschaulichung der Auslenkung;
- Fig. 5
- eine räumliche Darstellung eines erfindungsgemäßen Schraubverschlusses;
- Fig. 6
- eine weitere Ausführungsform eines erfindungsgemäßen Schraubverschlusses;
- Fig. 7
- eine dreidimensionale Darstellung einer weiteren Ausführungsform eines erfindungsgemäßen Schraubverschlusses;
- Fig. 8a
- eine weitere Ausführungsform eines erfindungsgemäßen Schraubverschlusses;
- Fig. 8b
- eine Draufsicht des in
Fig. 8a dargestellten erfindungsgemäßen Schraubverschlusses; und - Fig. 9
- ein Diagramm bezüglich des einwirkenden Drehmoments.
- Fig. 1
- a known from the prior art screw cap;
- Fig. 2
- a screw cap according to the invention;
- Fig. 3
- a schematic cross section of a screw cap according to the invention;
- Fig. 4a
- a schematic plan view of a portion of a screw cap according to the invention;
- Fig. 4b
- a schematic cross-sectional detail of a screw cap according to the invention;
- Fig. 4c
- a schematic illustration of the deflection;
- Fig. 5
- a spatial representation of a screw cap according to the invention;
- Fig. 6
- a further embodiment of a screw cap according to the invention;
- Fig. 7
- a three-dimensional view of another embodiment of a screw cap according to the invention;
- Fig. 8a
- a further embodiment of a screw cap according to the invention;
- Fig. 8b
- a top view of the in
Fig. 8a illustrated screw cap according to the invention; and - Fig. 9
- a diagram relating to the applied torque.
In
In
Der Originalitätssicherungsstreifen 114 weist entsprechend der Anzahl der nockenartigen Vorsprünge 118 die gleiche Anzahl an Ausnehmungen 130 auf. Erfindungsgemäß ermöglicht eine Ausnehmung 130 dem direkt benachbart dazu angeordneten, innenliegenden, nockenartigen Vorsprung 118 bei Kraftbeaufschlagung eine nach außen gerichtete Auslenkbewegung während des Führens des nockenartigen Vorsprungs 118 über den Bund 24 (nicht gezeigt). In dem in
Der entlang der Linie A-A' durchgeführte Längsschnitt ist in
Wie in
In
Der Originalitätssicherungsstreifen 114 ist hierbei über Anbindungen 116 mit der Verschlusskappe 108 in lösbarer Verbindung, wobei sich die Anbindungen 116 in Längsrichtung I zur Verschlusskappe 108 hin konisch verjüngen. Dies ist vorteilhaft, da somit bei Kraftbeaufschlagung während des Aufschraubens die Anbindungen bevorzugt an den verjüngten, gemeinsamen Kontaktflächen mit der Verschlusskappe 108 aufbrechen. Selbstverständlich ist ebenfalls denkbar, dass die Anbindungen 116 zum Originalitätssicherungsstreifen 114 hin verjüngend ausgebildet sind.The tamper-
Darüber hinaus weist der Originalitätssicherungsstreifen 114 entlastende Erhebungen 142 auf, welche fest an dem Originalitätssicherungsstreifen 114 angeordnet sind und sich in Längsrichtung I zu der Verschlusskappe 108 hin erstrecken, allerdings keine gemeinsame Kotaktfläche mit dieser aufweisen und von dieser in Längsrichtung I beabstandet angeordnet sind. Derartige Erhebungen 142 erweisen sich als vorteilhaft, da diese bei geringfügiger Kraftbeaufschlagung der Verschlusskappe 108 diese gegenüber dem Originalitätssicherungsstreifen 114 abstützen und ein ungewolltes, frühzeitiges Aufbrechen der Anbindungen 116 verhindern. Bevorzugt sind die entlastenden Erhebungen 142 in Längsrichtung derart von der Verschlusskappe 108 beabstandet angeordnet, dass bei Überwindung dieses Abstandes 144, beispielsweise durch Kraftbeaufschlagung, die Anbindungen 116 unversehrt und intakt bleiben.In addition, the tamper
Fig. 9 zeigt ein Diagramm des Drehmomentverlaufes J während des Verschließens eines erfindungsgemäßen Schraubverschlusses 100 sowie eines aus dem Stand der Technik bekannten Schraubverschlusses 2. An der Abszisse ist hierbei der Zeitverlauf der Messzeit in Sekunden angegeben, wohingegen die Ordinate die resultierende Kraft in Ncm wiedergibt. Kurve P zeigt den Kraftverlauf des Drehmoments für einen aus dem Stand der Technik bekannten Schraubverschluss mit normalen Originalitätssicherungsstreifen. Der Kurvenverlauf P nimmt von Beginn des Verschließens an stetig zu, bis auf etwa 65 Ncm, um dann abrupt abzufallen. Dieser Kurvenverlauf entspricht dem Überführen der nockenartigen Vorsprünge über den Bund. Ist der Bund überquert, endet auch schlagartig die Kraftbeaufschlagung und die Kurve fällt signifikant ab.9 shows a diagram of the torque curve J during the closure of a
Im Gegensatz hierzu zeigt die Kurve T während der ganzen Messzeit eine nahezu gleichbleibende Kraftbeaufschlagung. Erfindungsgemäß kann durch den erfindungsgemäßen Schraubverschluss das während des Verschließens wirkende Drehmoment J und somit auch die Kraftbeaufschlagung der Anbindungen während der Überführung der nockenartigen Vorsprünge über den Bund eine Reduzierung der Kraftbeaufschlagung von bis zu 20%, bevorzugt bis zu 40%, erreicht werden im Vergleich zu der wirkenden Kraftbeaufschlagung bei bekannten Verschlüssen aus dem Stand der Technik.In contrast, the curve T shows an almost constant application of force during the entire measuring time. According to the invention can be achieved by the screw closure according to the invention, the force acting during closing torque J and thus the application of force to the connections during the transfer of the cam-like projections on the collar a reduction in the application of force of up to 20%, preferably up to 40%, compared to the acting application of force in known closures of the prior art.
- 22
- Schraubverschluss (Stand der Technik)Screw cap (prior art)
- 44
- Außenseiteoutside
- 66
- InnenquerschnittInternal cross-section
- 88th
- Verschlusskappecap
- 1010
- Innengewindeinner thread
- 1414
- OriginalitätssicherungsstreifenTamper strip
- 1616
- Anbindungen/SollbruchstellenConnections / breaking points
- 1818
- nockenartiger Vorsprungcam-like projection
- 2020
- Behältniscontainer
- 2222
- Außengewindeexternal thread
- 2424
- BundFederation
- 100100
- erfindungsgemäßer SchraubverschlussScrew closure according to the invention
- 104104
- Außenseiteoutside
- 106106
- InnenquerschnittInternal cross-section
- 108108
- Verschlusskappecap
- 108a108a
- äußere Verschlusskappeouter cap
- 108b108b
- innere Verschlusskappeinner cap
- 110110
- Innengewindeinner thread
- 112112
- Aufnahmegewindereceiving thread
- 114114
- OriginalitätssicherungsstreifenTamper strip
- 116116
- Anbindungen/SollbruchstellenConnections / breaking points
- 118118
- nockenartiger Vorsprungcam-like projection
- 130130
- Ausnehmungrecess
- 132132
- linke Verschlusshälfteleft half of the closure
- 134134
- rechte Verschlusshälfteright half of the closure
- 136136
- erster Öffnungsabschnittfirst opening section
- 138138
- zweiter Öffnungsabschnittsecond opening section
- 140140
- dritter Öffnungsabschnittthird opening section
- 142142
- Erhebungsurvey
- 144144
- Abstanddistance
- 146146
- weiterer nockenartiger Vorsprunganother cam-like projection
- LL
- Längsachselongitudinal axis
- II
- Längsrichtunglongitudinal direction
- Ee
- Ebenelevel
- PP
- Kurvenverlauf Drehmoment (Stand der Technik)Curve curve torque (prior art)
- TT
- Kurvenverlauf Drehmoment erfindungsgemäßer VerschlussCurve curve Torque according to the invention
- JJ
- Drehmomenttorque
Claims (10)
- Screwed plug (100) of spring-elastic material, in particular of plastic, for containers (20), comprising an internal thread (110) and at least one originality-guarantee strip (114) which is connected at least partially to the screwed plug (100) on the underside thereof, wherein the at least one originality-guarantee strip (114) comprises at least one inner protrusion (118) which, when the plug is fully closed, engages below a collar (24) of a container (20), wherein the originality-guarantee strip (114) on the periphery has at least one recess (130) by means of which, on force application during closure, the at least one protrusion (118) is able to be lead through at least in part, characterized in that the at least one protrusion (118) is cam-like and an outer wall region (W) of the originality-guarantee strip (114) is simultaneously an outer wall region (W) of the at least one inner cam-like protrusion (118).
- Screwed plug according to claim 1, characterized in that on force application during closure, the at least one cam-like protrusion (118) is able to be lead through at least partially radially to the outside by means of the at least one recess (130), wherein the recess (130) is configured expandable on force application during closure.
- Screwed plug according to claim 1 or 2, characterized in that the wall region (W) of the originality-guarantee strip, which is simultaneously a wall region of an inner cam-like protrusion, is arranged between two mutually connected opening portions (136, 140) which form the recess (130).
- Screwed plug according to claim 3, characterized in that the at least one recess (130) of the originality-guarantee strip (114) has three mutually connected opening portions (136, 38, 140).
- Screwed plug according to claim 4, characterized in that a first leg-like shaped opening portion (136) and a third leg-like shaped opening portion (140) are mutually continuously connected and together preferably have a U-shape.
- Screwed plug according to at least one of the preceding claims, characterized in that the at least one originality-guarantee strip (114) preferably comprises 2 - 12 cam-like protrusions (118) which are arranged radially towards the inside relative to a longitudinal axis (L).
- Screwed plug according to claim 6, characterized in that the cam-like protrusions (118) have a cross-section face which decreases from top to bottom along the longitudinal axis (L) and is preferably arranged perpendicular to the longitudinal axis (L).
- Screwed plug according to claim 7, characterized in that a plane (E) arranged preferably perpendicular to the longitudinal axis (L) is spanned by the cross-section faces which each have the largest radial extension perpendicular to the longitudinal axis (L).
- Screwed plug according to claim 8, characterized in that at least one leg-like shaped opening portion (136, 140) in its extension along the longitudinal axis (L) intersects the spanned plane (E) in a predefinable cross-section face and/or is arranged in a predefinable cross-section face within this plane (E), wherein the cross-section face of the leg-like shaped opening portion (136, 140) is preferably arranged perpendicular to the longitudinal axis (L).
- Screwed plug according to at least one of the preceding claims, characterized in that on force application, this has a substantially constant torque (J) during closure.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210005039 DE102012005039B3 (en) | 2012-03-15 | 2012-03-15 | screw |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2639179A1 EP2639179A1 (en) | 2013-09-18 |
EP2639179A8 EP2639179A8 (en) | 2013-10-23 |
EP2639179B1 true EP2639179B1 (en) | 2015-09-16 |
Family
ID=47915388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13001147.1A Not-in-force EP2639179B1 (en) | 2012-03-15 | 2013-03-07 | Screw cap with tamper-proof band |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2639179B1 (en) |
DE (1) | DE102012005039B3 (en) |
DK (1) | DK2639179T3 (en) |
ES (1) | ES2556005T3 (en) |
HU (1) | HUE026266T2 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2223748A (en) * | 1988-09-09 | 1990-04-18 | Metal Closures Group Ltd | Closures |
DE4212627A1 (en) * | 1992-04-15 | 1993-10-28 | Mouldtec Pvg Ag Meilen | Plastics screw-on cap for bottles with originality ring - has circumferentially spaced-out detent tongues on ring protruding radially inwards and engaging behind bead on bottle neck to ensure accurate positioning. |
AU683857B2 (en) * | 1992-11-13 | 1997-11-27 | Beeson And Sons Limited | Improvements relating to a tamper evident ring for a container closure |
JP3177804B2 (en) * | 1993-06-16 | 2001-06-18 | 日本クラウンコルク株式会社 | Synthetic resin container lid |
AUPQ365899A0 (en) * | 1999-10-26 | 1999-11-18 | Amcor Packaging (Australia) Pty Ltd | A tamper evident closure |
-
2012
- 2012-03-15 DE DE201210005039 patent/DE102012005039B3/en not_active Expired - Fee Related
-
2013
- 2013-03-07 ES ES13001147.1T patent/ES2556005T3/en active Active
- 2013-03-07 EP EP13001147.1A patent/EP2639179B1/en not_active Not-in-force
- 2013-03-07 DK DK13001147.1T patent/DK2639179T3/en active
- 2013-03-07 HU HUE13001147A patent/HUE026266T2/en unknown
Also Published As
Publication number | Publication date |
---|---|
HUE026266T2 (en) | 2016-06-28 |
DK2639179T3 (en) | 2016-01-04 |
EP2639179A8 (en) | 2013-10-23 |
DE102012005039B3 (en) | 2013-07-04 |
EP2639179A1 (en) | 2013-09-18 |
ES2556005T3 (en) | 2016-01-12 |
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