EP0079552A2 - Closure for bottles, especially for bottles of champagne - Google Patents

Closure for bottles, especially for bottles of champagne Download PDF

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Publication number
EP0079552A2
EP0079552A2 EP82110243A EP82110243A EP0079552A2 EP 0079552 A2 EP0079552 A2 EP 0079552A2 EP 82110243 A EP82110243 A EP 82110243A EP 82110243 A EP82110243 A EP 82110243A EP 0079552 A2 EP0079552 A2 EP 0079552A2
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EP
European Patent Office
Prior art keywords
thread
bottle
sealing
bottle neck
bottle stopper
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.)
Granted
Application number
EP82110243A
Other languages
German (de)
French (fr)
Other versions
EP0079552A3 (en
EP0079552B1 (en
Inventor
Hans Baumann
Ludger Hackmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RPC Bramlage GmbH
Original Assignee
Bramlage GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bramlage GmbH filed Critical Bramlage GmbH
Priority to AT82110243T priority Critical patent/ATE13408T1/en
Publication of EP0079552A2 publication Critical patent/EP0079552A2/en
Publication of EP0079552A3 publication Critical patent/EP0079552A3/en
Application granted granted Critical
Publication of EP0079552B1 publication Critical patent/EP0079552B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • 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
    • B65D41/28—Caps combined with stoppers

Definitions

  • the invention relates to a bottle stopper, in particular for champagne bottles, in which the closure body, which is formed in one piece from plastic, has a sealing shaft which enters into the bottle neck in the form of a stopper, which extends centrally from the bottom inner surface of a cap, the jacket wall of which is provided on its inner surface with projections which are in engagement to the external thread of the bottle neck.
  • a bottle stopper of this type is known from DE-OS 28 33 099.
  • the closure body which is formed in one piece from elastic plastic, carries lamellar projections on the inner surface of its jacket wall and oriented in the direction of assignment. The latter deform when the closure body is placed on the bottle neck. The catchy thread of the same is pressed into the strip-shaped projections from the narrow side thereof. This will unscrew the bottle cap.
  • the safety in use of such a bottle cap is particularly critical in the case of bottles filled with C02-containing liquids. A certain creep behavior of the plastic material used can lead to a gradual migration of the sealing shaft, despite the bulbous design of the sealing shaft sitting in the bottle neck. The largest cross-sectional diameter is in the area of the thread.
  • the object of the invention is to remedy this situation and to provide a generic bottle stopper which, while maintaining the advantageous one-piece structure and despite normal thread, provides an optimal, locking agent-free seal and in which the desired "plop" effect always occurs reliably.
  • the special design of the sealing shaft means that normal, ie, fully formed, threads can be used.
  • the connection between the closure body and the bottle neck is no longer based on a resetting clamping force between the two parts produced by material displacement, where one is also bound to a special choice of material (deformable and yet firm). Unscrewing the closure is easier because of the restoring force of the material due to increased friction on the thread.
  • the stopper-like closure body jumps off to produce the desired "plop" effect, since the sealing shaft has at least one transverse annular sealing rib projecting over the circumferential surface in an area which is in front of the thread area.
  • the multi-start thread has the advantage that the exit from the counter-thread of the bottle neck takes place without any tendency to tip, as can be assumed with a single-start thread.
  • the structural measure that was also taken that the inner wall of the hollow cover shaft is provided with a plurality of longitudinal corrugations results in a durable assignment of a filling core stiffening the sealing shaft from the inside and supporting the annular wall, for example in the form of a cork.
  • the inner surface of the jacket wall extends in three successive step sections, the middle of which carries the threads that extend as far as the base section on the floor serving as a support surface for the bottle neck.
  • the individual step sections are used in accordance with the stabilization requirements, in particular with regard to the selected spherical outer shape of the closure body: This results in a reduction in area for the step section forming the supporting surface, which leads to a kind of triangular lip.
  • the step section with a wider cross-section is used to create the deepest possible thread.
  • the last step section on the edge of the cap forms a thin-walled apron surrounding the bottle bead.
  • the inner wall of the bottle neck is cylindrical in shape at least over the immersion area of the sealing ring lying in front.
  • the bottle stopper 1 is designed as a spherical cap. It is realized as a one-piece closure body made of plastic.
  • a free-standing, cylindrical sealing shaft 3 extends centrally from the bottom inner surface 2 for plug-like entry into the opening 4 of the neck 5 of a bottle 6.
  • the sealing shaft 3 has a plurality of annular, equally high sealing ribs 7 protruding beyond its jacket or circumferential surface 3 '.
  • the inner wall 11' of the bottle neck 5 is of cylindrical design at least over the immersion area of the sealing ring 7 lying in front.
  • the latter run in the transverse plane EE and are arranged at a distance from one another which corresponds to at least one and a half times the width of a sealing rib 7.
  • Their cross section is semicircular in Fig. 1 and triangular in Fig. 2. It is an equal sided triangular shape, one side of the triangle rooted in the cylindrical peripheral surface 3 'of the sealing shaft 3.
  • the distribution of the individual sealing ribs 7 on the sealing shaft 3 is such that a plurality of sealing ribs 7 extend in the area of a thread 8 of the cap.
  • the latter is designed as an inward projection V on the inner surface 9 'of a jacket wall 9 concentrically surrounding the sealing shaft 3 and is in engagement with the corresponding external thread 10 on the neck 5 of a bottle, in particular a champagne bottle 6 (see FIG. 2).
  • the sealing shaft 3 protrudes beyond the projection V formed as a multi-start thread 8; at least one of the sealing ribs 7 is located at the level of the last, the bottle neck 5 facing thread 8 'or beyond it, that is on the projecting section A of the sealing shaft 3. This has the consequence that until the thread 8 emerges from the external thread 10 of the Bottleneck 5 tight closure is present.
  • the increased internal pressure due to the release of carbonic acid now presses the closure body. abruptly producing the desired "piopp" effect from the closed position. Since practically only one sealing rib 7 is in sealing engagement with the bottle neck at the time the thread emerges, the sealing ribs 7 arranged above it no longer occur, or not all, as a friction factor. The bottle mouth is suddenly released.
  • the multi-thread 8 and correspondingly designed external thread 10 ensure the necessary tilt-free displacement of the sealing shaft 3.
  • a two-start thread is sufficient, the thread extensions 8 "then being diametrically opposite one another.
  • a three-start helix thread is more favorable due to the three-point tap or thread outlet of the two threads to be obtained therefrom (FIG. 3).
  • the inner surface 9 'of the jacket wall 9 runs in three successive step sections.
  • the middle step section carries the multi-start thread 8.
  • the thread 8 extends to a support surface 13 formed by the next step section for the end ring surface 14 of the bottle neck 5.
  • the ring-shaped support surface 13 provides an additional seal of the cap on the bottle neck 5.
  • the support surface 13 is partially in one Ring groove 15 over. The latter concentrically surrounds the base of the sealing shaft 3. Due to the reduction in the area of the support surface 13, the sealing effect is increased. So there is a more lip-like projection.
  • the inner wall 16 of the hollow cylindrical sealing shaft 3 which is open towards the bottle neck 5 is provided with a plurality of longitudinal corrugations 16 1 .
  • the corresponding cavity serves as shown in FIG. 2 for receiving a cork 17, should such be desired in the case of high-quality bottle contents.
  • the corrugation contributes to its definition, which is further increased by the pressure on the inside of the bottle neck.
  • the inner wall 11 'of the bottle neck 5 is shown in broken lines.
  • the sealing shaft is reproduced in its physical shape in order to be able to reproduce the basic shape of the sealing ribs 7.
  • Fitting the bottle with the bottle stopper according to the invention is made easier by the measure that the outer edge of the sealing shaft 3 on the side of the assignment is chamfered at 18.
  • a corresponding chamfer 19 is located on the inner edge of the end ring. surface 14 of the bottle neck 5.
  • the grip of the bottle stopper is increased by vertically oriented corrugations 20 provided on the outside of the cap.
  • the corrugations 20 are interrupted at the level of the thread area, in that an annular rib 21 extends around the entire circumference of the ball, essentially in the area of the horizontal center plane of the ball. It represents an advantageous, stabilizing strapping due to the material accumulation going beyond the already increased wall thickness there.
  • the jacket wall 9 merges into a zone with a reduced cross section. This forms an apron 23 that completely or partially overlaps the collar 22 of the bottle neck.
  • the operator When the bottle is reclosed with the bottle stopper 1, the operator will first have to overcome a slight resistance, namely the resistance that is required to spend the lower sealing rib 7, which maintains the seal until the end, in the bottle neck. Only then does the three-start thread of the cap engage in the external thread of the bottle neck 5 when screwing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

Die Erfindung bezieht sich auf einen Flaschenverschluß, insbesondere für Sektflaschen, bei welchem der einstückig aus Kunststoff gebildete Verschlußkörper (1) einen stopfenartig in den Flaschenhals (5) eintretenden Abdichtungsschaft (3) besitzt, der zentrisch von der Bodeninnenfläche (2) einer Kappe ausgeht, deren Mantelwand (9) auf ihrer Innenfläche (9') mit Vorsprüngen (V) ausgestattet ist, die in Eingriff stehen zum Außengewinde (10) des Flaschenhalses (5), und schlägt zur Erzielung einer zuordnungsgünstigen, den erforderlichen Dichtschluß bringenden Bauform, die auch den vom Konsumenten gewünschten "Plopp"-Effekt bringt, vor, daß der Abdichtungsschaft (3) über den als mehrgängiges Gewinde (4) ausgebildeten Vorsprung (V) vorsteht und dort mindestens eine über seine Umfangsfläche (3') vorstehende, in einer Querebene (E-E) liegende ringförmige Abdichtungsrippe (7) besitzt, die auf Höhe des letzten Gewindeganges (8') oder jenseits desselben auf dem vorstehenden Abschnitt (A) liegt.

Figure imgaf001
The invention relates to a bottle stopper, in particular for champagne bottles, in which the closure body (1), which is formed in one piece from plastic, has a sealing shaft (3), which enters the bottle neck (5) like a stopper and extends centrally from the bottom inner surface (2) of a cap. whose jacket wall (9) on its inner surface (9 ') is equipped with projections (V) which are in engagement with the external thread (10) of the bottle neck (5), and strikes to achieve an assignable, the necessary tight closure, which also brings the "plop" effect desired by the consumer, that the sealing shaft (3) protrudes over the projection (V) designed as a multiple thread (4) and there at least one protruding in a transverse plane (3 ') over its peripheral surface (3') EE) has an annular sealing rib (7) lying at the level of the last thread turn (8 ') or beyond it on the projecting section (A).
Figure imgaf001

Description

Die Erfindung betrifft einen Flaschenverschluß, insbesondere für Sektflaschen, bei welchem der einstückig aus Kunststoff ausgebildete Verschlußkörper einen stopfenförmig in den Flaschenhals eintretenden Abdichtungsschaft besitzt, der zentrisch von der Bodeninnenfläche einer Kappe ausgeht, deren Mantelwand auf ihrer Innenfläche mit Vorsprüngen ausgestattet ist, die in Eingriff stehen zum Außengewinde des Flaschenhalses.The invention relates to a bottle stopper, in particular for champagne bottles, in which the closure body, which is formed in one piece from plastic, has a sealing shaft which enters into the bottle neck in the form of a stopper, which extends centrally from the bottom inner surface of a cap, the jacket wall of which is provided on its inner surface with projections which are in engagement to the external thread of the bottle neck.

Ein Flaschenverschluß dieser Art ist durch die DE-OS 28 33 099 bekannt. Der einstückig aus elastischem Kunststoff gebildete Verschlußkörper trägt an der Innenfläche seiner Mantelwand lamellenartig ausgebildete und in Zuordnungsrichtung orientierte Vorsprünge. Letztere verformen sich beim Aufsetzen des Verschlußkörpers auf den Flaschenhals. Das eingängige Gewinde desselben drückt sich von der Schmalseite der leistenförmigen Vorsprünge her in diese ein. Der Flaschenverschluß wird dadurch abschraubbar. Die Gebrauchssicherheit eines solchen Flaschenverschlusses ist vor allem bei mit C02-haltigen Flüssigkeiten gefüllten Flaschen kritisch. Durch ein gewisses Kriechverhalten des verwendeten Kunststoffmateriales kann es zu einem allmählichen Auswandern des Abdichtungsschaftes kommen, und zwar trotz bauchiger Ausbildung des im Flaschenhals sitzenden Abdichtungsschaftes. Der größte Querschnittsdurchmesser liegt im Bereich des Gewindes. Ab diesem Bereich nimmt der Durchmesser des Abdichtungsschaftes beständig ab, dies auch in der Richtung jenseits des Gewindes. Die faßartige bzw. mehr der Kugelform nachempfundene Ausbauchung begünstigt, die vom Innendruck her unterstützt, eine gewisse Kipp-Verlagerung des Flaschenverschlusses. Im Grunde ist man gezwungen, einen solchen Flaschenverschluß noch durch die klassischen Draht bzw. Metallbandsicherungen festzulegen. Vor allem geht aufgrund der erläuterten Ausgestaltung der beim Konsumenten beliebte sogenannte "Plopp"-Effekt verloren, wie er bei nicht im Wege der Schraubverbindung zugeordneten Flaschenverschlüssen überwiegend auftritt. Dieses lautstarke Abspringen des Verschlußkörpers ist beim erläuterten Vorläufer auch insofern zusätzlich behindert, als der Kappenrand eingezogen ist. Die Innenkante der Einziehung fluchtet mit den leistenartigen Vorsprüngen, in die sich ja das Gewinde des Flaschenhalses eindrücken soll. Der Kolben verfängt sich somit am Gewinde.A bottle stopper of this type is known from DE-OS 28 33 099. The closure body, which is formed in one piece from elastic plastic, carries lamellar projections on the inner surface of its jacket wall and oriented in the direction of assignment. The latter deform when the closure body is placed on the bottle neck. The catchy thread of the same is pressed into the strip-shaped projections from the narrow side thereof. This will unscrew the bottle cap. The safety in use of such a bottle cap is particularly critical in the case of bottles filled with C02-containing liquids. A certain creep behavior of the plastic material used can lead to a gradual migration of the sealing shaft, despite the bulbous design of the sealing shaft sitting in the bottle neck. The largest cross-sectional diameter is in the area of the thread. From this area, the diameter of the sealing shaft steadily decreases, also in the direction beyond the thread. The barrel-like or more spherical bulge favors, which supports the internal pressure, one certain tilt shifting of the bottle stopper. Basically, you are forced to fix such a bottle stopper using the classic wire or metal band locks. Above all, the so-called "plop" effect, which is popular with the consumer and which occurs predominantly in bottle closures not assigned by screw connection, is lost due to the explained design. This loud jumping off of the closure body is also hampered in the case of the predecessor described, insofar as the edge of the cap is retracted. The inner edge of the retraction is aligned with the strip-like projections into which the thread of the bottle neck is supposed to be pressed. The piston thus gets caught on the thread.

Aufgabe der Erfindung ist es, hier Abhilfe zu schaffen und einen gattungsgemäßen Flaschenverschluß anzugeben, der unter Beibehaltung des vorteilhaften einstückigen Aufbaues und trotz normalen Gewindes einen optimalen, sicherungsmittelfreien Dichtschluß bringt und bei dem auch der gewünschte "Plopp"-Effekt stets sicher auftritt.The object of the invention is to remedy this situation and to provide a generic bottle stopper which, while maintaining the advantageous one-piece structure and despite normal thread, provides an optimal, locking agent-free seal and in which the desired "plop" effect always occurs reliably.

Gelöst ist diese Aufgabe durch die im Anspruch 1 angegebene Erfindung.This object is achieved by the invention specified in claim 1.

Die Unteransprüche sind vorteilhafte Weiterbildungen des erfindungsgemäßen Flaschenverschlusses.The subclaims are advantageous developments of the bottle stopper according to the invention.

Zufolge solcher Ausgestaltung ist ein gattungsgemäßer Flaschenverschluß von insbesondere erhöhtem Gebrauchswert geschaffen: Durch die besondere Ausgestaltung des Abdichtungsschaftes kann mit normalem, d. h. fertiggeformtem Gewinde gearbeitet werden. Die Verbindung von Verschlußkörper und Flaschenhals beruht nicht mehr auf einer durch Materialverdrängung erzeugten Rückstell-Klemmkraft zwischen beiden Teilen, wo man auch an eine besondere Materialwahl gebunden ist (verformbar und doch fest). Das Abschrauben des Verschlusses ist leichter, da die auf der Rückstellkraft des Materiales beruhende erhöhte Reibung am Gewinde unterbleibt. Sobald der Gewindebereich durchlaufen ist, springt der stopfenartige Verschlußkörper unter Erzeugung des gewünschten "Plopp"-Effekts ab, da der Abdichtungsschaft in einem Bereich, der dem Gewindebereich vorgelagert ist, mindestens eine über die Umfangsfläche vorstehende, querliegende ringförmige Abdichtungsrippe besitzt. Diese kann sich direkt an den Gewindebereich anschließen; es kann aber auch noch ein gewisser Abstand dazu eingehalten werden. Das mehrgängige Gewinde hat den Vorteil, daß der Austritt aus dem Gegengewinde des Flaschenhalses ohne jede Kipptendenz erfolgt, wie dies bei einem eingängigen Gewinde zu unterstellen ist. Eine solche, wenn auch geringe Neigungslage des Abdichtungsschaftes, führt im Verein mit Fertigungstoleranzen zu einem unerwünschten Entweichen von C02, so daß der gewünschte "Plopp"-Effekt entfällt. Dadurch, daß mehrere Abdichtungsrippen sowohl innerhalb des mit dem Gewinde überlappenden Bereichs als auch außerhalb des Bereichs des Gewindes vorgesehen sind, liegt eine den erwähnten Toleranzen noch besser Rechnung tragende Ausgestaltung vor. Die weiterhin getroffene bauliche Maßnahme, daß die Innenwand des hohlen .Abdeckschaftes mit mehreren Längsriffeln versehen ist, ergibt sich eine haltbare Zuordnung eines den Abdichtungsschaft von innen her aussteifenden, dessen Ringwand abstützenden Füllkernes, bspw. in Form eines Korkens. Zudem ist es von Vorteil, daß die Innenfläche der Mantelwand in drei hintereinanderliegenden Stufenabschnitten verläuft, von denen der mittlere die Gewindegänge trägt, die bis zum als Abstützfläche für den Flaschenhals dienenden, bodeninnenseitigen Stufenabschnitt reichen. Die einzelnen Stufenabschnitte sind den stabilisatorischen Erfordernissen entsprechend genutzt, insbesondere im Hinblick auf die gewählte kugelförmige Außenform des Verschlußkörpers: So ergibt sich für den die Abstützfläche bildenden Stufenabschnitt eine Flächenverringerung, die zu einer Art dreieckigen Lippe führt. Hierdurch ist eine wirksame zusätzliche Dichtung von außen her erzielt. Der querschnittsbreitere Stufenabschnitt ist für die Schaffung eines möglichst tiefen Gewindes genutzt. Der letzte, kappenrandseitige Stufenabschnitt dagegen bildet eine den Flaschenwulst umgebende, dünnwandigere Schürze. Schließlich ist es noch von Vorteil, daß die Innenwand des Flaschenhalses mindestens über den Eintauchbereich des zuvorderst liegenden Abdichtungsringes zylinderförmig gestaltet ist.As a result of such a design, a generic bottle stopper of particularly high utility value is created: the special design of the sealing shaft means that normal, ie, fully formed, threads can be used. The connection between the closure body and the bottle neck is no longer based on a resetting clamping force between the two parts produced by material displacement, where one is also bound to a special choice of material (deformable and yet firm). Unscrewing the closure is easier because of the restoring force of the material due to increased friction on the thread. As soon as the thread area has been run through, the stopper-like closure body jumps off to produce the desired "plop" effect, since the sealing shaft has at least one transverse annular sealing rib projecting over the circumferential surface in an area which is in front of the thread area. This can connect directly to the thread area; a certain distance from it can also be maintained. The multi-start thread has the advantage that the exit from the counter-thread of the bottle neck takes place without any tendency to tip, as can be assumed with a single-start thread. Such, albeit slight, inclination of the sealing shaft, in combination with manufacturing tolerances, leads to an undesired escape of C02, so that the desired "plop" effect is eliminated. Characterized in that several sealing ribs are provided both within the area overlapping with the thread and outside the area of the thread, there is an embodiment which takes account of the tolerances mentioned even better. The structural measure that was also taken that the inner wall of the hollow cover shaft is provided with a plurality of longitudinal corrugations results in a durable assignment of a filling core stiffening the sealing shaft from the inside and supporting the annular wall, for example in the form of a cork. In addition, it is advantageous that the inner surface of the jacket wall extends in three successive step sections, the middle of which carries the threads that extend as far as the base section on the floor serving as a support surface for the bottle neck. The individual step sections are used in accordance with the stabilization requirements, in particular with regard to the selected spherical outer shape of the closure body: This results in a reduction in area for the step section forming the supporting surface, which leads to a kind of triangular lip. This provides an effective additional seal from the outside. The step section with a wider cross-section is used to create the deepest possible thread. The last step section on the edge of the cap forms a thin-walled apron surrounding the bottle bead. Finally, it is also advantageous that the inner wall of the bottle neck is cylindrical in shape at least over the immersion area of the sealing ring lying in front.

Weitere Vorteile und Einzelheiten des Gegenstandes der Erfindung sind nachstehend anhand eines zeichnerisch veranschaulichten Ausführungsbeispieles näher erläutert. Es zeigt:

  • Fig. 1 den erfindungsgemäß ausgebildeten Flaschenverschluß im Vertikalschnitt, vergrößert,
  • Fig. 2 den Verschluß mit zugehörigem Flaschenhals, baulich gegenüber Fig. 1 etwas abgewandelt und stärker vergrößert und
  • Fig. 3 eine Innenansicht in die den Flaschenverschluß bildende Kappe gemäß Fig. 2.
Further advantages and details of the subject matter of the invention are explained in more detail below with reference to an exemplary embodiment illustrated in the drawings. It shows:
  • 1 the bottle stopper designed according to the invention in vertical section, enlarged,
  • Fig. 2 shows the closure with the associated bottle neck, structurally modified somewhat compared to Fig. 1 and enlarged and
  • 3 is an interior view of the cap forming the bottle stopper according to FIG. 2.

Der Flaschenverschluß 1 ist als kugelförmige Kappe gestaltet. Er ist als einstückig aus Kunststoff gefertigter Verschlußkörper realisiert.The bottle stopper 1 is designed as a spherical cap. It is realized as a one-piece closure body made of plastic.

Zentrisch von der Bodeninnenfläche 2 geht ein freistehend angeordneter, zylindrischer Abdichtungsschaft 3 aus zum stopfenartigen Eintritt in die Öffnung 4 des Halses 5 einer Flasche 6.A free-standing, cylindrical sealing shaft 3 extends centrally from the bottom inner surface 2 for plug-like entry into the opening 4 of the neck 5 of a bottle 6.

Zur Erzielung des erforderlichen Dichtschlusses besitzt der Abdichtungsschaft 3 mehrere über seine Mantel- bzw. Umfangsfläche 3' vorstehende ringförmige, gleichhohe Abdichtungsrippen 7. Die Innenwand 11' des Flaschenhalses 5 ist mindestens über den Eintauchbereich des zuvorderst liegenden Abdichtungsringes 7 zylinderförmig gestaltet. Letztere verlaufen in Querebene E-E und sind in einem Abstand zueinander angeordnet, der mindestens der anderthalbfachen Breite einer Abdichtungsrippe 7 entspricht. Ihr Querschnitt ist in Fig. 1 halbkreis- und in Fig. 2 dreieckförmig. Es handelt sich um eine gleichseitige Dreiecksform, wobei die eine Seite des Dreiecks in der zylindrischen Umfangsfläche 3' des Abdichtungsschaftes 3 wurzelt.In order to achieve the required tight closure, the sealing shaft 3 has a plurality of annular, equally high sealing ribs 7 protruding beyond its jacket or circumferential surface 3 '. The inner wall 11' of the bottle neck 5 is of cylindrical design at least over the immersion area of the sealing ring 7 lying in front. The latter run in the transverse plane EE and are arranged at a distance from one another which corresponds to at least one and a half times the width of a sealing rib 7. Their cross section is semicircular in Fig. 1 and triangular in Fig. 2. It is an equal sided triangular shape, one side of the triangle rooted in the cylindrical peripheral surface 3 'of the sealing shaft 3.

Die Verteilung der einzelnen Abdichtungsrippen 7 auf dem Abdichtungsschaft 3 ist dergestalt, daß sich mehrere Abdichtungsrippen 7 im Bereich eines Gewindes 8 der Kappe erstrecken. Letzteres ist als einwärtsgerichteter Vorsprung V auf der Innenfläche 9' einer den Abdichtungsschaft 3 konzentrisch umgebenden Mantelwand 9 ausgebildet und steht in Eingriff mit dem korrespondierenden Außengewinde 10 am Hals 5 einer Flasche, insbesondere Sektflasche 6 (vergl. Fig. 2).The distribution of the individual sealing ribs 7 on the sealing shaft 3 is such that a plurality of sealing ribs 7 extend in the area of a thread 8 of the cap. The latter is designed as an inward projection V on the inner surface 9 'of a jacket wall 9 concentrically surrounding the sealing shaft 3 and is in engagement with the corresponding external thread 10 on the neck 5 of a bottle, in particular a champagne bottle 6 (see FIG. 2).

Der Abdichtungsschaft 3 steht über den als mehrgängiges Gewinde 8 ausgebildeten Vorsprung V vor; mindestens eine der Abdichtungsrippen 7 befindet sich auf Höhe des letzten, dem Flaschenhals 5 zugewandten Gewindeganges 8' oder jenseits desselben, also auf dem vorstehenden Abschnitt A des Abdichtungsschaftes 3. Dies hat zur Folge, daß bis zum Austritt des Gewindes 8 aus dem Außengewinde 10 des Flaschenhalses 5 Dichtschluß vorliegt. Der durch das Freiwerden von Kohlensäure erhöhte Innendruck preßt nun den Verschlußkörper. schlagartig unter Erzeugung des gewünschten "Piopp"-Effekts aus der Verschlußstellung. Da zum Zeitpunkt des Gewindeaustritts praktisch nur noch eine Abdichtungsrippe 7 in Dichteingriff mit dem Flaschenhals steht, treten die darüber angeordneten Abdichtungsrippen 7 nicht mehr, bzw. nicht mehr alle, als Reibungsfaktor auf. Es kommt zu einer schlagartigen Freigabe der Flaschenmündung.The sealing shaft 3 protrudes beyond the projection V formed as a multi-start thread 8; at least one of the sealing ribs 7 is located at the level of the last, the bottle neck 5 facing thread 8 'or beyond it, that is on the projecting section A of the sealing shaft 3. This has the consequence that until the thread 8 emerges from the external thread 10 of the Bottleneck 5 tight closure is present. The increased internal pressure due to the release of carbonic acid now presses the closure body. abruptly producing the desired "piopp" effect from the closed position. Since practically only one sealing rib 7 is in sealing engagement with the bottle neck at the time the thread emerges, the sealing ribs 7 arranged above it no longer occur, or not all, as a friction factor. The bottle mouth is suddenly released.

Durch das mehrgängige Gewinde 8 und entsprechend gestaltete Außengewinde 10 ist die erforderliche kippfreie Verlagerung des Abdichtungsschaftes 3 sichergestellt. Im allgemeinen genügt ein zweigängiges Gewinde, wobei die Gewindeausläufer 8" dann diametral einander gegenüberliegen. Günstiger ist ein dreigängiges Steilgewinde zufolge des hieraus zu gewinnenden Dreipunkt-Abgriffs bzw. Gewindeaustritts der beiden Gewinde (Fig. 3).The multi-thread 8 and correspondingly designed external thread 10 ensure the necessary tilt-free displacement of the sealing shaft 3. In general, a two-start thread is sufficient, the thread extensions 8 "then being diametrically opposite one another. A three-start helix thread is more favorable due to the three-point tap or thread outlet of the two threads to be obtained therefrom (FIG. 3).

Die Innenfläche 9' der Mantelwand 9 verläuft in drei hintereinanderliegenden Stufenabschnitten. Der mittlere Stufenabschnitt trägt das mehrgängige Gewinde 8. Oberhalb des Gewindes, d. h. in Richtung der Bodeninnenfläche 2 gesehen, reicht das Gewinde 8 bis zu einer vom nächsten Stufenabschnitt gebildeten Abstützfläche 13 für die Stirnringfläche 14 des Flaschenhalses 5. Die ringförmige Abstützfläche 13 bringt eine zusätzliche Abdichtung der Kappe auf dem Flaschenhals 5. Die Stützfläche 13 geht teilflächig in eine Ringnut 15 über. Letztere umgibt konzentrisch den Fuß des Abdichtungsschaftes 3. Aufgrund der Flächenverringerung der Abstützfläche 13 ist der Dichteffekt noch erhöht. So liegt ein mehr lippenartiger Vorsprung vor.The inner surface 9 'of the jacket wall 9 runs in three successive step sections. The middle step section carries the multi-start thread 8. Above the thread, i. H. Seen in the direction of the bottom inner surface 2, the thread 8 extends to a support surface 13 formed by the next step section for the end ring surface 14 of the bottle neck 5. The ring-shaped support surface 13 provides an additional seal of the cap on the bottle neck 5. The support surface 13 is partially in one Ring groove 15 over. The latter concentrically surrounds the base of the sealing shaft 3. Due to the reduction in the area of the support surface 13, the sealing effect is increased. So there is a more lip-like projection.

Die Innenwand 16 des hohl zylindrisch ausgebildeten, zum Flaschenhals 5 hin offenen Abdichtungsschaftes 3 ist mit mehreren Längsriffeln 161 versehen. Die entsprechende Höhlung dient gemäß Fig. 2 zur Aufnahme eines Korkens 17, sollte ein solcher bei hochwertigem Flascheninhalt gewünscht sein. Die Riffelung trägt zu seiner Festlegung bei, die zudem noch durch die schafteinwärts gerichtete Druckbelastung im Flaschenhals vergrößert wird.The inner wall 16 of the hollow cylindrical sealing shaft 3 which is open towards the bottle neck 5 is provided with a plurality of longitudinal corrugations 16 1 . The corresponding cavity serves as shown in FIG. 2 for receiving a cork 17, should such be desired in the case of high-quality bottle contents. The corrugation contributes to its definition, which is further increased by the pressure on the inside of the bottle neck.

Beim dargestellten Ausführungsbeispiel ist die Innenwand 11' des Flaschenhalses 5 strichpunktiert dargestellt. Demgegenüber ist der Abdichtungsschaft in seiner körperlichen Form wiedergegeben, um das Profi) der Abdichtungsrippen 7 in der Grundform wiedergeben zu können. Beim auftretenden Preßsitz ergibt sich die natürliche Deformierung bzw. ein Flacherdrücken der Rippen.In the illustrated embodiment, the inner wall 11 'of the bottle neck 5 is shown in broken lines. In contrast, the sealing shaft is reproduced in its physical shape in order to be able to reproduce the basic shape of the sealing ribs 7. When the press fit occurs, the natural deformation or flattening of the ribs results.

Das Bestücken der Flasche mit dem erfindungsgemäßen Flaschenverschluß ist erleichtert durch die Maßnahme, daß die zuordnungsseitige Außenkante des Abdichtungsschaftes 3 bei 18 gefast ist. Eine entsprechende Fasung 19 befindet sich an der Innenkante der Stirnring- . fläche 14 des Flaschenhalses 5.Fitting the bottle with the bottle stopper according to the invention is made easier by the measure that the outer edge of the sealing shaft 3 on the side of the assignment is chamfered at 18. A corresponding chamfer 19 is located on the inner edge of the end ring. surface 14 of the bottle neck 5.

Die Griffigkeit des Flaschenverschlusses wird durch außen an der Kappe vorgesehene, vertikal ausgerichtete Riffeln 20 erhöht. Unterbrochen sind die Riffeln 20 auf Höhe des Gewindebereichs, indem dort eine Ringrippe 21 um den ganzen Kugelumfang verläuft, und zwar im wesentlichen im Bereich der horizontalen Kugelmittelebene. Sie stellt eine vorteilhafte, stabilisierend wirkende Umreifung dar zufolge der über die dortige schon vergrößerte Wandungsdicke hinausgehende Materialanhäufung.The grip of the bottle stopper is increased by vertically oriented corrugations 20 provided on the outside of the cap. The corrugations 20 are interrupted at the level of the thread area, in that an annular rib 21 extends around the entire circumference of the ball, essentially in the area of the horizontal center plane of the ball. It represents an advantageous, stabilizing strapping due to the material accumulation going beyond the already increased wall thickness there.

Unterhalb des Gewindes 8 geht die Mantelwand 9 in eine querschnittsverringerte Zone über. Diese bildet eine den Bund 22 des Flaschenhalses ganz oder teilweise überfangende Schürze 23.Below the thread 8, the jacket wall 9 merges into a zone with a reduced cross section. This forms an apron 23 that completely or partially overlaps the collar 22 of the bottle neck.

Beim Wiederverschließen der Flasche mit dem Flaschenverschluß 1 wird der Handhabende zunächst einen geringen Widerstand überwinden müssen, und zwar den Widerstand, der erforderlich ist, die bis zuletzt die Abdichtung aufrechterhaltende untere Abdichtungsrippe 7 in den Flaschenhals zu verbringen. Erst dann greift beim Verschrauben das dreigängige Gewinde der Kappe in das Außengewinde des Flaschenhalses 5 ein.When the bottle is reclosed with the bottle stopper 1, the operator will first have to overcome a slight resistance, namely the resistance that is required to spend the lower sealing rib 7, which maintains the seal until the end, in the bottle neck. Only then does the three-start thread of the cap engage in the external thread of the bottle neck 5 when screwing.

Alle in der Beschreibung erwähnten und in der Zeichnung dargestellten neuen Merkmale sind erfindungswesentlich, auch soweit sie in den Ansprüchen nicht ausdrücklich beansprucht sind.All the new features mentioned in the description and shown in the drawing are essential to the invention, even if they are not expressly claimed in the claims.

Claims (6)

1. Flaschenverschluß, insbesondere für Sektflaschen, bei welchem der einstückig aus Kunststoff ausgebildete Verschlußkörper einen stopfenartig in den Flaschenhals eintretenden Abdichtungsschaft besitzt, der zentrisch von der Bodeninnenfläche einer Kappe ausgeht, deren Mantelwandung auf ihrer Innenfläche mit Vorsprüngen ausgestattet ist, die in Eingriff stehen zum Außengewinde des Flaschenhalses, dadurch gekennzeichnet, daß der Abdichtungsschaft (3) über den als mehrgängiges Gewinde (4) ausgebildeten Vorsprung (V) vorsteht und dort mindestens eine über seine Umfangsfläche (3') vorstehende, in einer Querebene (E-E) liegende ringförmige Abdichtungsrippe (7) besitzt, die auf Höhe des letzten Gewindeganges (8') oder jenseits desselben auf dem vorstehenden Abschnitt (A) liegt.1. Bottle stopper, in particular for champagne bottles, in which the closure body, which is formed in one piece from plastic, has a sealing shaft entering the bottle neck like a stopper, which extends centrally from the bottom inner surface of a cap, the jacket wall of which is provided on its inner surface with projections which engage with the external thread of the bottle neck, characterized in that the sealing shaft (3) protrudes beyond the projection (V) designed as a multiple thread (4) and there at least one annular sealing rib (7) projecting over its peripheral surface (3 ') and lying in a transverse plane (EE) ), which is at the level of the last thread (8 ') or beyond it on the projecting section (A). 2. Flaschenverschluß nach Anspruch 1, dadurch gekennzeichnet, daß mehrere Abdichtungsrippen (7) sowohl innerhalb des mit dem Gewinde (8) überlappenden Bereichs als auch außerhalb des Bereichs des Gewindes (8) vorgesehen sind.2. Bottle stopper according to claim 1, characterized in that a plurality of sealing ribs (7) are provided both within the area overlapping with the thread (8) and outside the area of the thread (8). 3. Flaschenverschluß nach Anspruch 1, dadurch gekennzeichnet, daß die Innenwand (16) des hohlen Abdichtungsschaftes (3) mit mehreren Längsriffeln (16') versehen ist.3. Bottle stopper according to claim 1, characterized in that the inner wall (16) of the hollow sealing shaft (3) is provided with a plurality of longitudinal corrugations (16 '). 4. Flaschenverschluß nach Anspruch 1, dadurch gekennzeichnet, daß die Innenfläche (9') der Mantelwand (9) in drei hintereinanderliegenden Stufenabschnitten verläuft, von denen der mittlere die Gewindegänge (8) trägt, die bis zu einem, als bodeninnenwandseitige Abstützfläche (13) für den Flaschenhals (3) dienenden Stufenabschnitt reichen, der teilweise in eine Ringnut (15) am Fuß des Abdichtungsschaftes (3) übergeht.4. Bottle stopper according to claim 1, characterized in that the inner surface (9 ') of the casing wall (9) extends in three successive step sections, of which the middle carries the threads (8), up to one, as a bottom inner wall side support surface (13) enough for the bottle neck (3) serving step section, which partially merges into an annular groove (15) at the foot of the sealing shaft (3). 5. Flaschenverschluß nach den Ansprüchen 1 und 4, dadurch gekennzeichnet, daß die Außenform des Verschlußkörpers (1) kugelförmig gestaltet ist.5. Bottle stopper according to claims 1 and 4, characterized in that the outer shape of the closure body (1) is spherical. 6. Flaschenverschluß nach Anspruch 1, dadurch gekennzeichnet, daß die Innenwand (11') des Flaschenhalses (5) mindestens über den Eintauchbereich des zuvorderst liegenden Abdichtungsringes (7) zylinderförmig gestaltet ist.6. Bottle stopper according to claim 1, characterized in that the inner wall (11 ') of the bottle neck (5) is cylindrical at least over the immersion area of the sealing ring (7) lying in front.
EP82110243A 1981-11-11 1982-11-06 Closure for bottles, especially for bottles of champagne Expired EP0079552B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82110243T ATE13408T1 (en) 1981-11-11 1982-11-06 BOTTLE STOPPER, ESPECIALLY FOR SPARKLING BOTTLES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3144731 1981-11-11
DE19813144731 DE3144731A1 (en) 1981-11-11 1981-11-11 BALL CAP THERMOPLASTIC PLASTIC FOR BOTTLES WITH CO (DOWN ARROW) 2 (LOW ARROW) LIQUIDS - LIKE e.g. SPARKLING WINE

Publications (3)

Publication Number Publication Date
EP0079552A2 true EP0079552A2 (en) 1983-05-25
EP0079552A3 EP0079552A3 (en) 1983-10-12
EP0079552B1 EP0079552B1 (en) 1985-05-22

Family

ID=6146095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110243A Expired EP0079552B1 (en) 1981-11-11 1982-11-06 Closure for bottles, especially for bottles of champagne

Country Status (3)

Country Link
EP (1) EP0079552B1 (en)
AT (1) ATE13408T1 (en)
DE (2) DE3144731A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564804A1 (en) * 1984-05-28 1985-11-29 Vaw Folien Verarb Gmbh Closing stopper for pressurised containers
FR2607786A1 (en) * 1986-12-04 1988-06-10 Mennesson Dominique System for stopping bottles allowing the discharge of gases contained in the latter
FR2621048A1 (en) * 1987-09-30 1989-03-31 Syntex Inc APPARATUS FOR MAINTAINING IN CONTACT WITH A LIQUID MEDIUM A BIOLOGICAL SAMPLE ON A SUPPORT
US5071766A (en) * 1987-09-30 1991-12-10 Syntex (U.S.A.) Inc. Cell culture vial
WO2005061342A1 (en) * 2003-11-27 2005-07-07 Georg Menshen Gmbh & Co. Kg Container closure comprising a sealing stopper
CN101830313A (en) * 2010-05-04 2010-09-15 吴申龙 Leakage-proof water bottle
WO2011014727A1 (en) * 2009-07-31 2011-02-03 Colgate-Palmolive Company Closure for a container
WO2011162642A3 (en) * 2010-06-24 2012-02-23 Vihorev Dmitry Vladimirovich Chambered cap with reinforcing ribs and hook
EP4410700A1 (en) 2023-02-06 2024-08-07 UAB Baltic caps Bottle stopper

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732112A1 (en) * 1987-09-24 1989-04-13 Pfefferkorn & Co BOTTLE STOPPER, ESPECIALLY FOR SPARKLING BOTTLES WITH SCREW THREADED MOUTH
DE102016102574B3 (en) 2016-02-15 2017-04-06 Pfefferkorn & Co Gmbh Bottle cap with tubular lamellar seal
LT7078B (en) 2022-12-22 2024-07-25 Baltic caps, UAB Stopper for the botlle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001659A (en) * 1959-10-16 1961-09-26 Lok Seal Inc Bottle closure with cork
FR2092736B1 (en) * 1970-06-12 1973-10-19 Liege Ste Francaise
FR2306896A1 (en) * 1975-04-07 1976-11-05 Grussen Jean Screw cap for bottle contg. gaseous liq. - has rim turned under bottle thread by internal cap ribs to prevent loosening of cap
DE2614538A1 (en) * 1976-04-03 1977-10-06 Consumers Glass Co Ltd Resealable wine bottle stopper - has cylindrical portion with male thread fitting inside neck of bottle

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564804A1 (en) * 1984-05-28 1985-11-29 Vaw Folien Verarb Gmbh Closing stopper for pressurised containers
FR2607786A1 (en) * 1986-12-04 1988-06-10 Mennesson Dominique System for stopping bottles allowing the discharge of gases contained in the latter
FR2621048A1 (en) * 1987-09-30 1989-03-31 Syntex Inc APPARATUS FOR MAINTAINING IN CONTACT WITH A LIQUID MEDIUM A BIOLOGICAL SAMPLE ON A SUPPORT
US4845038A (en) * 1987-09-30 1989-07-04 Syntex (U.S.A) Inc. Cell culture vial
US5071766A (en) * 1987-09-30 1991-12-10 Syntex (U.S.A.) Inc. Cell culture vial
WO2005061342A1 (en) * 2003-11-27 2005-07-07 Georg Menshen Gmbh & Co. Kg Container closure comprising a sealing stopper
WO2011014727A1 (en) * 2009-07-31 2011-02-03 Colgate-Palmolive Company Closure for a container
US8534510B2 (en) 2009-07-31 2013-09-17 Colgate-Palmolive Company Closure for a container
CN101830313A (en) * 2010-05-04 2010-09-15 吴申龙 Leakage-proof water bottle
WO2011162642A3 (en) * 2010-06-24 2012-02-23 Vihorev Dmitry Vladimirovich Chambered cap with reinforcing ribs and hook
EP4410700A1 (en) 2023-02-06 2024-08-07 UAB Baltic caps Bottle stopper

Also Published As

Publication number Publication date
DE3263784D1 (en) 1985-06-27
EP0079552A3 (en) 1983-10-12
EP0079552B1 (en) 1985-05-22
DE3144731A1 (en) 1983-06-09
ATE13408T1 (en) 1985-06-15

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