EP0716638B1 - Bouchon de fermeture - Google Patents

Bouchon de fermeture Download PDF

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Publication number
EP0716638B1
EP0716638B1 EP95920034A EP95920034A EP0716638B1 EP 0716638 B1 EP0716638 B1 EP 0716638B1 EP 95920034 A EP95920034 A EP 95920034A EP 95920034 A EP95920034 A EP 95920034A EP 0716638 B1 EP0716638 B1 EP 0716638B1
Authority
EP
European Patent Office
Prior art keywords
sealing
container
sealing lip
closure cap
lamella
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95920034A
Other languages
German (de)
English (en)
Other versions
EP0716638A1 (fr
Inventor
Frank Schellenbach
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.)
SCHELLENBACH, FRANK
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0716638A1 publication Critical patent/EP0716638A1/fr
Application granted granted Critical
Publication of EP0716638B1 publication Critical patent/EP0716638B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D41/0421—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 and combined with integral sealing means contacting other surfaces of a container neck

Definitions

  • the present invention relates to caps for closing Containers.
  • the present invention relates Screw caps for both reusable bottles (MW) and disposable bottles (EW) from the material PET as well as for GDB bottles that Contains beverages containing carbon dioxide.
  • caps for closing GDB beverage bottles to keep the discussion clear. It however, it is expressly pointed out that the present Invention not on caps for GDB beverage bottles is limited, but is suitable for any type of container, such as for example also for food containers (so-called Tupper goods).
  • the closure cap according to the invention is preferably both for reusable bottles (MW) as well as for disposable bottles (EW) from the Material PET can be used.
  • Caps with which beverage bottles or similar containers can be closed have found widespread use. she generally have to meet different requirements. To the the sealing of the beverage bottles or containers must be such achieved that the drink contained in them in the closed or locked state can not emerge from the container. If the containers to be sealed are liquids containing bottles, then this requirement is due to the viscosity of the liquid. Are the drinks contained in the bottles in addition, with a pressurized gas such. B. Carbonated, then the seal must also be be gastight to prevent the gas from escaping from the bottle.
  • point Closure caps a device for sealing of the vessel or container.
  • a well known method for Sealing consists in the use of an elastic sealing ring, such as used in mason jars. With this The method of manufacturing the sealing cap and sealing ring is made separately and assembled after manufacture. How easy to see is this method by making two components costly and laborious. Another disadvantage of this method is from the daily Application known: The rubber ring slips relatively easily and this prevents the reliable sealing of the container.
  • sealing rings have already been proposed as have been formed as an integral part of the closure cap, which has many advantages.
  • EP-A-0 580 369 Such an example is known from EP-A-0 580 369, which one relates to such a one-component bottle stopper.
  • the cap has one that extends inward from the cap body Sealing lip, which is an integral part of the sealing cap.
  • the back pressure of the inner surface of the Sealing cap provides a gas-tight seal of the container the sealing lip.
  • Avoiding the closure cap is a multitude of themselves provided radially inwardly extending grooves, which the gluing should avoid.
  • EP-A-0 580 369 there are also deviations of the tolerance limits of the sealing lip and the bottle neck dimensions taken into consideration.
  • a closure cap which has a wedge-shaped sealing lip is from FR-A-2 420 505 known. However, this cap does not provide a satisfactory seal.
  • the object of the invention is therefore to improve the sealing of a To allow the container through a cap without unnecessarily complicating the manufacture of such a closure cap or to make it more expensive.
  • the seal according to the present invention achieved in that a plurality of projections is provided, the one press the wedge-shaped sealing lip against the upper edge of the container, which creates a sealing zone in which the sealing lip with high pressure is pressed against the upper edge of the container.
  • the Projections according to claim 1 enable targeted positioning the sealing lip on the container rim under a high Edition print. This leads to a very good seal Closure process is made possible without the cap unnecessarily complicate.
  • Claim 2 describes a sealant according to another Embodiment which engages in the opening of the container.
  • This second sealant has a shoulder on the inside of the Container rests, creating a second sealing zone.
  • the claim 3 relates to an embodiment that for the width of the Sealing lip has certain dimensions, which can be extensive Comparative tests have proven to be particularly advantageous.
  • the claim 4 relates to an embodiment, one for the Sealing particularly effective shape of the cap body claimed.
  • Claims 5 and 6 relate to exemplary embodiments that differ for sealing particularly effective properties of the Stress the sealing lip.
  • the claim 7 relates to an embodiment, one for the Sealing claimed particularly effective nature of the cap body.
  • the claims 8 and 9 relate to embodiments that one in With regard to the sealing effect, particularly advantageous shape of the Concern sealing lamella.
  • the claim 10 relates to a cap, according to which with the interacting surface of the container to be sealed Sealant a scale-like or structured surface having.
  • Such structuring has the advantage that it Interaction with the top of the container to be closed existing bumps to a tight fit of the sealant the top of the container leads.
  • Figure 1 is a cap for releasably closing a Bottle according to a currently preferred embodiment of the present Invention shown.
  • Embodiment relates to a screw closure for closing a bottle that may contain carbonated liquids.
  • the present Invention is not limited to screw caps for bottles.
  • Alternative embodiments relate, for example, to cans suitable for storing / freezing food. Mason jars, but also caps for containers that are not in the food sector can be used, such as paint buckets.
  • a cap is in its original form in one Sectional view shown.
  • the cap consists of a cap body 10, which is an upper ceiling part 18 and a substantially cylindrical Side part 19 includes.
  • the side part 19 extends essentially perpendicular from the plane of the ceiling part 18.
  • the transition from the Cover part 18 to the cylindrical side part 19 not abruptly (sharp-edged), but by means of a rounded transition part 20.
  • the ceiling part 18, the side part 19 and the transition part 20 are not separate elements are, but rather that they together form the cap body 10.
  • a screw thread 12 is formed, which as Closure mechanism is used by means of which the cap 10 on the to be closed container 100 is attached.
  • the screw thread 12 acts with a corresponding, paired screw thread 112 (see FIG. 2) together on the bottle 100. It becomes explicit noted that the screw thread 12 is not the only one possible locking mechanism for the container to be closed represents. All kinds of other types of known Locking mechanisms are also suitable, such as U-lock closures, noses or shoulders engaging in recesses, Etc.
  • the sealing lip 13 has a long one wedge-shaped shape.
  • the sealing lip In the idle state (i.e. in the state in which the Sealing cap does not close a container), the sealing lip extends 13 from the transition part 20 almost horizontally, preferably however with a slight inclination towards the center of the cap.
  • the Inclination 41 ° to 48 ° against the horizontal to prevent demolding facilitate (see Fig. 4).
  • the width B of the sealing lip 13 is preferably chosen so that the inner end of the sealing lip 13 in the closed state essentially flush with the upper one Bottle edge 104 closes (see FIG. 3).
  • the width B is preferably in Area between 3.8 and 4.5 cm. This ensures that the entire Top edge 104 of the bottle 100 through the circular in the cap body 10 encircling sealing lip 13 substantially completely applied is when the cap body 10 is screwed onto the bottle 12 is.
  • the wedge-shaped, long, thin sealing lip 13 fits in their profiling to different bottle necks if during of the closing process normal torques on the cap be exercised.
  • the sealing lip 13 can adapt to any radius of curvature to adjust.
  • the bottle neck of a reusable bottle is smaller at 20.7 mm than the disposable bottle, whose inner diameter is 21.6 mm.
  • the sealing lip 13 also lies inwards in the Bottleneck into it.
  • the closure cap according to the invention sits under all conceivable environmental conditions close to the Bottle.
  • the sealing lip 13 with a certain thickness profile to provide is indicated by the reference character D in Figure 1.
  • Extensive comparative tests in which the sealing behavior of the cap tested with different thickness sealing lips have shown that the sealing lip 13 preferably on their Root is 3/10 mm to 7/10 mm thick and at its tip a thickness of not more than 5/10 mm and not less than 2/10 mm should, and according to a particularly preferred embodiment between 2/10 mm and 4/10 mm.
  • These values have to be locked GDB glass bottles using standard plastic materials for the cap body 10 proved to be particularly advantageous.
  • Caps that seal larger or smaller containers have correspondingly scaled values.
  • sealing lip 13 has a special scale-like Structure on that with the bumps on the top edge 104 of the Bottle 100 interacts to better seal the bottle to effect.
  • the cap body 10 consisted of a single element with which the Sealing lip 13 is integrally formed.
  • the sealing lip 13 on a separate, annular element form and this in the cap body 10 as needed to use.
  • the fixation of this preferably flexible ring can either by jamming or gluing.
  • Such an embodiment has the Advantage that the sealant 11, 13, 16 also as "Retrofit kit" can be inserted into existing screw caps.
  • the sealing means 11 is arranged that a chamber 33 between the ceiling part 18 and the Side part 19 of the closure body and the thin, wedge-shaped sealing lip, seen from the sealing lip on the top outside.
  • This chamber 33 provides scope for adaptation to different bottle neck diameters ready and thus supports a secure seal of the respective container.
  • the sealing means 11 according to the teaching according to the invention has an undulating structure on the inner surface 18 ', with individual concentrically arranged, annular projections 34a-f running around the ceiling part 18.
  • the inner surface 18 'of the closure cap has a slope of 0.5 ° to 3 ° with respect to the horizontal and is corrugated in a wave-like manner, as can be seen in FIG. 4.
  • These projections 34 are arranged such that the sealing lip 13 rests on them in the closed state and is pressed by them against the upper edge 104 of the bottle 100.
  • the distance between the projections 34a-f is preferably chosen so that they all rest on the upper edge 104 of the bottle 100; in other words, the radius R S of the concentrically circumferential protrusions is preferably selected so that the outermost protrusion 34a (Fig. 4) or 14 (Fig. 1) is adjacent to the outer edge of the bottle 100, whereas the innermost protrusion 34f (Fig. 4) or 15 (Fig. 1) adjacent to the inner edge of the bottle 100.
  • the radius R S of the concentrically rotating projections 34a-f is in the range from 16.5 mm to 18.5 mm
  • the radius R S of the concentrically rotating projection 15 is 17.5 mm.
  • the projections 14 and 15 have different heights H 1 , H 2 .
  • the height difference H 2 - H 1 is chosen according to the invention such that, taking into account the gradient S of the bottle surface 104 (see FIG. 2), a uniform pressure is set on the upper edge 104 of the bottle 100 in the closed state.
  • the heights of the projections 34 in this embodiment are selected according to the invention in such a way that the sealant 11, as it were, clings to the upper edge 104 of the bottle 100 and seals it securely.
  • the projections 34a-f in this embodiment like the two projections 14 and 15 of the embodiment shown in FIG.
  • an elastic lamella 16 extending perpendicularly from the ceiling part 18 is also provided, which extends vertically downwards in the idle state (cf. FIG. 1).
  • the sealing lamella 16 also runs concentrically to the center line M of the cap body, the inner edge having a radius R 1 and the outer edge having a radius R 2 .
  • the radii R 1 and R 2 are selected such that the sealing lamella 16 extends immediately adjacent to the sealing lip 11 in the idle state; according to a particularly preferred embodiment, the radius R 1 is 15.4 mm and radius R 2 is 16.8 mm.
  • the sealing lamella 16 is included equipped with a shoulder 17, the highest point of which is at rest of the cap body 10 essentially on a cylinder surface is located together with the free end of the sealing lip 13.
  • the radius of the shoulder 17 is preferably 0.25 mm and is chosen so that the sealing lamella 16 from the highest point of the shoulder 17 to Tip of the slat 16 runs at an angle ⁇ .
  • the angle ⁇ preferably no longer should be 35 ° and not less than 25 °, and according to one especially preferred 28 °.
  • the shoulder acts 17 of the sealing lamella 16 with the inside of the bottle 100 in closed state together, by pressing the Locking mechanism 12 the sealing lamella 16 from its rest position is deflected and bent towards the inside of the bottle.
  • a comparatively high sealing pressure reached by the restoring moment of the deflected Sealing lamella 16 is defined.
  • the closure flap according to the invention can be made of different materials getting produced. If the sealant 11 (together with the Projections 14 and 34a-f and the elastic lamella 16) as an integral Provided part of the cap, polyethylene is particularly suitable as cap material. If the sealant 11 as separate provided to be manufactured, can for the cap body 10th Tinplate is used, and for that on a sealing ring attached sealant 11 or 10 for the cap body polyethylene.

Claims (10)

  1. Un capuchon pour fermer de manière réversible un récipient :
    a) un corps du bouchon (10) conçu de manière complémentaire au récipient (100) à fermer et comprenant une partie supérieure (18), une face verticale (19) et une zone de transition (20) couplant la partie supérieure (18) à la face verticale (19),
    b) un mécanisme de fermeture (12) sur les cotés (19) qui ferme de manière réversible le récipient (100) avec le corps du capuchon (10);
    c) des moyens d'étanchéité (13,14,15) co-agissant avec le bord supérieur (104) du récipient (100), dans lesquels les moyens d'étanchéité (13,14,15) comprennent un joint à lèvres (13) circulaire qui est incliné vers le bas à partir de la zone de transition (20), ainsi qu'une avancée circulaire vers l'intérieur de la partie supérieure (18) apte à interagir avec la partie supérieure du joint à lèvres (13), caractérisé en ce que,
    d) le joint à lèvres (13) est cunéiforme et
    e) une multiplicité d'avancées concentriques formant une structure ondulée (14, 15 i; 34 a-f) coopère avec le joint à lèvres (13), pour laquelle les hauteurs des avancées augmentent en direction du centre ou, avec une hauteur relativement constante, la zone intérieure de la partie supérieure (18) est inclinée vers le bas en direction du centre du capuchon (10).
  2. Un capuchon suivant la revendication 1, caractérisé en ce qu'une lamelle élastique (16) est pourvue et s'étend essentiellement perpendiculairement de la partie intérieure du corps du capuchon (10) vers l'ouverture du récipient (100), ladite lamelle (16) comprenant un épaulement (17) qui met en jeu la partie intérieure du récipient (100) lorsque le mécanisme de fermeture (12) est activé.
  3. Un capuchon suivant la revendication 1 ou 2, caractérisé en ce que le joint à lèvres (13) a une largeur (B) qui correspond essentiellement à l'épaisseur (D) du bord supérieur (104) du récipient (100).
  4. Un capuchon suivant la revendication 1 à 3, caractérisé en ce que la partie supérieure (18) a une inclinaison de 0,5° à 3°.
  5. Un capuchon suivant une des précédentes revendications, caractérisé en ce que le joint à lèvres cunéiforme (13) a une extrémité libre et à l'autre extrémité une zone plus épaisse et en ce que l'épaisseur (D) du joint à lèvres (13) à l'éxtremité soit comprise dans un domaine entre 2/10 mm et 4/10 mm et à sa base dans un domaine entre 3/10 mm et 7/10 mm.
  6. Un capuchon suivant une des précédentes revendications, caractérisé en ce que le joint à lèvres cunéiforme (13) est inclinée de 41° à 48° par rapport au plan horizontal.
  7. Un capuchon suivant une des précédentes revendications, caractérisé en ce qu'une chambre (33) est aménagée entre le mince joint à lèvres cunéiforme (13) et la partie supérieure (18).
  8. Un capuchon suivant les revendications 2 à 7, caractérisé en ce que la face intérieure de la lamelle de scellement (16) fasse un angle (α) en accord avec la face extérieure créant un lien entre l'éxtremité de la lamelle de scellement (16) et l'épaulement (17), pour laquelle le dit angle (α) se trouve dans un domaine entre 25° et 30°.
  9. Un capuchon suivant les revendications 2 à 8, caractérisé en ce que la face intérieure de la lamelle de scellement (16) fasse un angle (α) en accord avec la face extérieure créant un lien entre l'éxtremité de la lamelle de scellement (16) et l'épaulement (17), pour laquelle le dit angle (α) est de 28°.
  10. Un capuchon suivant une des précédentes revendications, caractérisé en ce que le joint à lèvres (13) dispose d'une structure en écaille (15) co-agissant avec la face supérieure (104) du récipient (100).
EP95920034A 1994-07-20 1995-05-12 Bouchon de fermeture Expired - Lifetime EP0716638B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4425675 1994-07-20
DE4425675A DE4425675C3 (de) 1994-07-20 1994-07-20 Verschlußkappe
PCT/EP1995/001816 WO1996002430A1 (fr) 1994-07-20 1995-05-12 Bouchon de fermeture

Publications (2)

Publication Number Publication Date
EP0716638A1 EP0716638A1 (fr) 1996-06-19
EP0716638B1 true EP0716638B1 (fr) 1999-12-08

Family

ID=6523678

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95920034A Expired - Lifetime EP0716638B1 (fr) 1994-07-20 1995-05-12 Bouchon de fermeture

Country Status (15)

Country Link
EP (1) EP0716638B1 (fr)
CN (1) CN1042118C (fr)
AT (1) ATE187405T1 (fr)
AU (1) AU677124B2 (fr)
CZ (1) CZ285047B6 (fr)
DE (2) DE4425675C3 (fr)
DK (1) DK0716638T3 (fr)
ES (1) ES2142480T3 (fr)
GR (1) GR3032894T3 (fr)
HU (1) HU217999B (fr)
PL (1) PL178296B1 (fr)
PT (1) PT716638E (fr)
RU (1) RU2106293C1 (fr)
SK (1) SK36496A3 (fr)
WO (1) WO1996002430A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19705717A1 (de) * 1997-02-14 1998-08-20 Bericap Gmbh & Co Kg Kunststoffschraubverschluß
AUPO788597A0 (en) 1997-07-14 1997-08-07 Closures And Packaging Services Limited Closure
US6338414B1 (en) * 1998-03-03 2002-01-15 International Packaging Engineering Plastic closing cap with a separable safety seal and inner seal
DE102006047023B4 (de) * 2006-10-02 2010-02-25 Fabian Schellenbach Verschluss
US20090032488A1 (en) * 2007-07-30 2009-02-05 Owens-Illinois Closure Inc. Ceremonial plug closure and package
AU2009260868B2 (en) * 2008-04-30 2015-07-02 Closure Systems International, Inc. Tamper-evident package with improved opening performance
USD747201S1 (en) 2013-09-18 2016-01-12 Bericap Closure
FR3015442B1 (fr) 2013-12-24 2016-02-05 Bericap Dispositif de bouchage articule avec indicateur de premiere ouverture
USD833278S1 (en) 2014-09-03 2018-11-13 Bericap Closure for a container
CN107131144A (zh) * 2017-06-20 2017-09-05 江苏斯别特制泵有限公司 一种特殊大功率潜水轴流泵密封盖
CN109625581B (zh) * 2018-12-24 2023-01-17 深圳市科安硅胶制品有限公司 一种新型分装瓶
US20220234789A1 (en) * 2019-06-07 2022-07-28 Creanova Universal Closures Limited Closure
WO2023172163A1 (fr) * 2022-03-09 2023-09-14 Михаил МЕДВЕДЕВ Dispositif de fermeture sous vide de boîtes de conserve

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT274657B (de) * 1967-05-31 1969-09-25 Ernst Dipl Kfm Ing Feichtinger Verschluß bzw. Dichteinlage für Gefäße
US3516565A (en) * 1967-07-10 1970-06-23 Anchor Hocking Corp Gasketed metal closure cap
IE43771B1 (en) * 1975-06-13 1981-05-20 Metal Closures Group Ltd Improvements in and relating to closures
GB1596355A (en) * 1978-03-22 1981-08-26 Metal Closures Group Ltd Capping machinery
US4392055A (en) * 1981-08-24 1983-07-05 Owens-Illinois, Inc. Bottle finish and closure combination with venting slots
EP0093690A1 (fr) * 1982-05-04 1983-11-09 Crown Obrist AG Fermeture pour récipient
GB2120219B (en) * 1982-05-17 1985-10-02 Metal Closures Group Plc Closures for containers
US4450973A (en) * 1982-09-28 1984-05-29 Thurston Toeppen Closure for pressurized containers
EP0109631A3 (fr) * 1982-11-17 1985-07-31 Walter Wiedmer Fermeture à vis en matière élastique pour récipient
US4896782A (en) * 1989-02-13 1990-01-30 Sunbeam Plastics Corporation Closure with insert for enhanced sealing
EP0460813A3 (en) * 1990-05-25 1992-03-11 Tredegar Molded Products Company Threaded closure with integral sealing means
DE9106951U1 (fr) * 1991-06-06 1991-09-19 Schott Glaswerke, 6500 Mainz, De
DE9208290U1 (fr) * 1992-06-25 1992-08-13 Zuechner Verpackungen Gmbh & Co., 3370 Seesen, De
EP0580369B1 (fr) * 1992-07-21 1996-06-05 CarnaudMetalbox plc Fermeture en matière plastique en une pièce

Also Published As

Publication number Publication date
RU2106293C1 (ru) 1998-03-10
DE59507384D1 (de) 2000-01-13
PT716638E (pt) 2000-05-31
HUT74468A (en) 1996-12-30
CN1042118C (zh) 1999-02-17
HU217999B (hu) 2000-05-28
HU9600687D0 (en) 1996-05-28
DE4425675A1 (de) 1996-01-25
PL313519A1 (en) 1996-07-08
DE4425675C3 (de) 2001-02-15
DK0716638T3 (da) 2000-05-29
AU2563995A (en) 1996-02-16
CZ81796A3 (cs) 1999-02-17
WO1996002430A1 (fr) 1996-02-01
CZ285047B6 (cs) 1999-05-12
CN1134136A (zh) 1996-10-23
PL178296B1 (pl) 2000-04-28
GR3032894T3 (en) 2000-07-31
DE4425675C2 (de) 1996-08-14
ATE187405T1 (de) 1999-12-15
EP0716638A1 (fr) 1996-06-19
SK36496A3 (en) 1996-10-02
ES2142480T3 (es) 2000-04-16
AU677124B2 (en) 1997-04-10

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