EP1266838A1 - Kunststoffverschlusskappe mit abtrennbarem Garantieband und Innendichtung - Google Patents

Kunststoffverschlusskappe mit abtrennbarem Garantieband und Innendichtung Download PDF

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Publication number
EP1266838A1
EP1266838A1 EP02019387A EP02019387A EP1266838A1 EP 1266838 A1 EP1266838 A1 EP 1266838A1 EP 02019387 A EP02019387 A EP 02019387A EP 02019387 A EP02019387 A EP 02019387A EP 1266838 A1 EP1266838 A1 EP 1266838A1
Authority
EP
European Patent Office
Prior art keywords
wall
cap
bottle
seal
closure cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02019387A
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German (de)
English (en)
French (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.)
Individual
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 EP1266838A1 publication Critical patent/EP1266838A1/de
Withdrawn legal-status Critical Current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
    • 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
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00—Bottles and jars
    • Y10S215/01—Fins

Definitions

  • caps are made of plastic for closing containers, especially of bottles, widely used.
  • Many embodiments of caps have a so-called guarantee tape, which is detachable and when opening the bottle from the cap is torn off. As long as the guarantee tape is in undamaged condition small webs is connected to the actual cap, this shows the original condition of the bottle contents. It is thus guaranteed that the Cap in the original condition attached to the bottle neck, preferably screwed on, is.
  • the guarantee tape comes under after filling and closing the Container a bulge or projection on the bottle neck.
  • the guarantee band remains on the bottle neck, and the cap can be completely unscrewed.
  • the most common plastic material for the body of the closure cap is currently Polypropylene (PP) used.
  • PP Polypropylene
  • the plastic PP is relatively hard, so that the function of the guarantee band is guaranteed.
  • the PP sealing cap is almost impossible with the help of a tool without visibly damaging them.
  • the height is a uniform 20 mm.
  • the guarantee tape made of PP sits firmly on the bottle neck and tears Attempts to open immediately.
  • bottles made of the plastic material PET or PEN.
  • the guarantee band of the closure cap ends with the one mentioned here, in the state of Technically usual PP embodiment about 2 mm above the retaining collar on Bottleneck.
  • the known cap has the disadvantage that it must be carried out in two parts.
  • the polypropylene material would be too hard for the sealing lips that cover the space between the Seal the bottle neck and the cap. This is particularly critical with PET bottles, which may have larger bumps or deformations than glass bottles.
  • the softer seal is made from ethylene vinyl acetate (EVA), i.e. two different injection molding processes are necessary and a subsequent one Assemble the two-part cap.
  • EVA ethylene vinyl acetate
  • one-piece caps are already made of polyethylene been proposed. This material is softer than the common polypropylene, and can therefore ensure the sealing function by designing the sealing system ensure if the cap is in one piece by a single injection molding process will be produced.
  • From US-PS 4 592 476 is a plastic cap according to the preamble of Claim 1 known, in which the detachable guarantee band in the direction of the central axis the cap is extended.
  • the guarantee band extends to Retaining collar of the container when the cap on the opening of the container sits and the guarantee tape grips under the bead or projection on the bottle neck.
  • EP 316 167 is the combination of a bottle and known a cap
  • the bottle is made of polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • the Cap is made of a thermoplastic resin such as Polyolephin made.
  • the cap has an annular shoulder 10 which is on the upper and outer Of the bottle neck.
  • the cap also has an annular Rib 13 on the inside of the shoulder 10 resiliently on the inner surface of the Bottleneck.
  • a cap for reusable PET bottles with an internally threaded cap wall, one the End wall and a cap on the cap wall subsequent guarantee band known.
  • the front wall has one towards the open end projecting, annular inner seal spaced from the cap wall, the Outside diameter tapers in the area of the free end towards this.
  • the closure cap is designed such that the inner seal one for Has cap facing bulge formed in the region of the free end, and that the bead encompasses the area which tapers in the outer diameter.
  • a closure cap for releasable closure of a container is known, the one corresponding to the container Has cap body.
  • the cap body and a seal act with the upper edge the container together to seal the container.
  • the cap has at least one, integrally formed on the cap body on the top of the Opposite container and which cooperates with the seal when closing.
  • the problem of the invention is therefore a one-piece plastic closure, in particular to create from PE material that is filled on a filled with no special tolerance requirement Container can be placed, and at the same time the other, partially contradictory Requirements fulfilled, to be manufactured in a few steps and to be recyclable after use, as well as the guarantee function and the sealing function for the closed container to ensure equally reliable.
  • the inner seal is the plastic closure without any special tolerance requirements put on a filled container. Due to the one-piece training Plastic closure in a few steps by injection molding and from the Injection mold demouldable. By the same feature (a single plastic material, especially polyethylene), the plastic closure is recyclable even after use.
  • the Guarantee function for the closed container is reliably ensured that the funnel or bell-shaped extension of the guarantee band on the holding collar of the filled container does not sit underneath.
  • the sealing function for the locked Container is thereby reliably ensured that the funnel-shaped outer surface of the The inner seal rests on the container neck in an elastically pressable manner.
  • the plastic material of the one-piece cap has a strength in use, which is funnel-shaped extended guarantee band hard enough and at the same time for the funnel-shaped extended Inner seal is soft enough.
  • the undercuts on the guarantee band and on the The inner seal can be removed from the injection mold as long as it is warm Plastic material has not yet reached its durability.
  • the guarantee band in the direction of the central axis of the cap longer than the usual 20 mm.
  • a total height of 23.5 mm is for the Suitable to close the PET bottles that are currently common.
  • the guarantee band is sufficient this length up to the retaining collar and is firmly pressed onto this. It is then not possible to lift the guarantee band with a lever.
  • the lower end of the Guarantee bands can sit in a bell shape and then you cannot undermine what offers sufficient security even with the relatively soft PE material.
  • the Container a bottle (claim 6), which has a screw cap.
  • the bottle is preferably made of plastic material (claim 7).
  • the preferred Embodiments for the construction and use of the caps are said to be in However, claim 1 not limit invention.
  • the Claim 36 is based on a scale-like structure on the underside of a thin, wedge-shaped sealing lip directed.
  • a preferred embodiment of the Invention shown in axial step.
  • the shape of the cap is due to the Right hatching recognizable, the shape of the inside bottle neck through the Linksschraffur.
  • the cap is in one piece, i.e. the three annular sealing lips 8a, 10a, 15a, which are opposite to the edge of the bottle neck 1, are like the one below molded guarantee band 6 produced in a single operation by injection molding.
  • the Cap is shown in Fig. 1 in the state in which it is on the bottle neck 1 is screwed on tightly.
  • the detachable guarantee tape 5, 6 extends far according to the invention below and sits on a collar of bottle 1.
  • the holding collar serves the Container, here a PET bottle 1, to be suspended in a transport device during the Container 1 is filled and closed.
  • the molded guarantee band 6 can be relatively soft, it fits according to the invention firmly on the bottle neck and tears off immediately when the screw cap is opened.
  • the shape of the plastic cap 2 to 7 makes it the first time possible to meet the technical requirements of simple manufacture (one-piece Sealing cap), secure sealing function (soft material for sealing lips), easy opening (easy tearing of the guarantee tape as intended) and reliable guarantee function (guarantee band close to the container) at the same time fulfill.
  • the claims 9 and 10 relate to a closure cap, in particular for Reusable PET bottles, with an internally threaded cap wall, one the end wall closing the cap wall and one on the cap wall subsequent, at a predetermined breaking point tear-open annular guarantee band, wherein the end wall protrudes toward the open end and is spaced apart from the cap wall has an annular inner seal whose outer diameter is in the range of the free Tapered towards this end.
  • Bottles are basically screwable caps for closing Bottles, especially for closing so-called reusable bottles.
  • Such bottles are used for bottling beverages of all kinds, in particular also carbonated drinks are bottled. So it must be there used cap also the gas pressure created within the bottle withstand, must therefore be gas-tight with the bottle or against the bottle.
  • PET bottles have been on the market for some time now, but it is here is reusable plastic bottles, which in particular with a filling volume of 1.5 liters are offered. Due to considerable tolerances of the one in question Bottles in the area of the bottle mouth exist compared to those to be used Caps special sealing problems. Consequently, caps are here with special sealing measures required. On top of that, the ones in question PET bottles, especially when used multiple times, do not have perfect mouths and threads have more, especially since they are handled by consumers and fillers are mostly deformed or damaged.
  • the gas pressure building up the bottle is used in a particularly advantageous manner for pressing on the inner seal to the inside wall of the bottle, the one at the free end of the Internal seal formed bead due to the considerable distance from the end wall is pressed against the inside of the bottle with enormous pressure. Because of the relative wide engagement of the inner seal or the bead provided at the free end in the A bottle cannot slip off the bead at the bottle mouth, but rather is a the bead can slide somewhat along the inside of the bottle without the loss of sealing effect.
  • the closure cap according to the invention also by the features of claim 10 to be marked. Thereafter, the closure cap according to the invention is equipped such that the end wall in the area between the cap wall and the inner seal one of the End wall protruding, at least slightly inclined towards the inner seal has an annular wedge seal.
  • a sufficient seal between the cap and the Bottle to be closed can be realized in that between the inner seal and the cap wall due to its wedge-shaped configuration as a wedge seal designated seal is formed.
  • This seal is also circular and due to its tendency towards the inner seal towards screwing onto a bottle bent further towards the inner seal so that the wedge seal due to its inherent elasticity and the tension caused by the screwing firmly in the range of Bottle mouth touches the bottle.
  • the inner seal it is of further advantage if this on the side facing away from the cap wall runs approximately straight up to the bead.
  • the inner wall of the inner seal is approximately one overall forms an annular inner surface.
  • the inner seal is approximately arched into the bead, i.e. that of the cap wall facing side of the inner seal extends in the direction of the cap wall.
  • the inner seal tapers again approximately in a straight line in the outer diameter, causing one from the lower end of the inner seal to the outermost region of the bead extending wedge surface, by means of which the inner seal or the bead of the Inner seal can be inserted into the bottle mouth.
  • the inner seal is designed approximately by the amount of the bead protruding pressed inside and acts due to the material-specific elasticity due to the tension created a considerable pressure on the inside of the bottle Mouth area.
  • the bead is preferably dimensioned in this way and extends into the cap wall in such a way that the inner seal or bead is screwed on Condition - according to the tolerances on the one hand of the closure cap and on the other hand the Bottle mouth - with a given contact pressure against the inside of the bottle Area of the bottle mouth.
  • the previously mentioned first wedge seal is of such a type in a particularly advantageous manner positioned and dimensioned so that when the cap is screwed on prestressed system at the radius of the bottle neck, i.e. at the transition to the Bottle mouth, serves.
  • the first wedge seal at Screwing the cap bent towards the end wall and presses due to it Intrinsic elasticity and the resulting tension when screwed on to the Radius of the bottle neck or exactly at the transition into the bottle mouth, i.e. to the Edge between the end face of the bottle mouth and the inside wall of the bottle. at pressure builds up from the inside, the wedge seal becomes even closer to the bottle radius pressed so that the sealing effect is increased again due to the internal pressure.
  • the previously mentioned inner seal which is also due to the Pressure inside the bottle builds up above the pressure caused by the material reached contact pressure, i.e. reinforced, pressed against the inside of the bottle.
  • the first wedge seal can have a different shape, for example taper to the free end with essentially flat surfaces. Likewise, the surfaces of the first wedge seal on both sides be concave or convex. A Rounding the free end of the first wedge seal is also possible.
  • the second wedge seal can also be used for free Taper to the end with essentially flat surfaces, these on both sides Surfaces of the second wedge seal can also be made concave or convex.
  • the statements made on the first wedge seal also apply to the second wedge seal, see above that further explanations are unnecessary.
  • the cap wall is preferably in the upper cap Area, i.e. in the area shortly before the transition to the end wall, approximately radially or behind internally protruding circular seal for contact with the bottle outer wall having.
  • This can be in the sense of a cord seal or a sealing ring executed seal act, which is preferably an integral part of the Cap is.
  • This seal could be in the sense of a sealing bead towards the inside rounded and dimensioned so that they are under tension when screwed on rests on the outside of the bottle.
  • Guarantee tape closes to the cap wall on the side facing away from the front wall and has a first predetermined breaking point.
  • This Guarantee band is however problematic in that when opening the bottle, i.e. when unscrewing the Closure cap, the guarantee band first broken and used by numerous users is torn off the cap altogether. After use, i.e. after emptying the Bottle, this torn guarantee band often migrates into that Bottle interior, from which it is difficult due to its curved design is removable. During the cleaning process of the bottle, those that get inside the bottle can be removed Guarantee tapes cannot be rinsed out. So-called bottle inspection machines do not recognize these tapes, which often means that such old - used - Put the guarantee bands in a drink that has been refilled into the reusable bottle. Complaints are preprogrammed here.
  • This second predetermined breaking point could be arranged such that it is the first predetermined breaking point is approximately opposite, so that the guarantee tape when torn - after tearing the first Predetermined breaking point - due to the second predetermined breaking point tearing open in two equally long halves is divisible.
  • the guarantee band cannot be made in one piece, but instead tear off only in two parts, namely in two short pieces. This comes from the The two short parts resulting from the entire guarantee band can easily be extracted from the Rinse the bottle through the relatively narrow bottle mouth so that it does mentioned problem is solved.
  • the closure cap is made in one piece.
  • Polyethylene is particularly suitable, especially since this plastic is readily available to one Recycling process can be supplied.
  • the closure cap according to the invention Finally, it is essential that these are made exclusively from the same material can be that intended seals are required, so none Material combinations with regard to the front wall, cap wall and inside the Cap.
  • 1a, 2a and 3a together show an embodiment of an inventive Cap for reusable PET bottles 1, with an internal thread 2 Cap wall 3, an end wall 4 closing the cap wall 3 and one to the cap wall 3, which can be torn open at a predetermined breaking point 5 circular guarantee band 6, 6a, the end wall 4 one to the open end protruding annular inner seal 7, 7a spaced apart from the cap wall 3, has, whose outer diameter tapers in the region of the free end.
  • the inner seal 7a has a facing towards the cap wall 3a Bead 8a formed area of the free end.
  • the bead 8a includes the Outer diameter tapering area 9a.
  • Figures 1a and 2a further show that the end wall 4 in the area between Cap wall 3 and inner seal 7 projecting from the end wall 4 for Has inner seal 7 inclined first annular wedge seal 10a
  • the inner seal 7 runs approximately on the side facing away from the cap wall 3 rectilinear to the bulge 8. Runs on the side facing the cap wall 3 the inner seal 7 approximately in an arc shape up to the bead 8, that is to say into the bead 8, and from there tapers again approximately linearly in the outer diameter.
  • the Bead 8 is dimensioned in this way or extends in such a way towards the cap wall 3, that the inner seal 7 or the bead 8 in the screwed state with a predetermined Contact pressure against the bottle inner wall 11 in the area of the bottle mouth 12a suppressed.
  • Fig. 2a shows particularly clearly that the first wedge seal 10a positioned and is dimensioned so that it is screwed on to the prestressed system on the radius or on the inner edge 13a of the bottle neck 14a or at the transition into the Bottle mouth 12a is used.
  • This first wedge seal 10a runs towards the free end essential flat surfaces pointed.
  • FIG. 1a and 2a also clearly show that in the area between the cap wall 3 and inner seal 7 in the transition between cap wall 3 and end wall 4 one of the End wall 4 or from the cap wall 3, inclined towards the inner seal 7 second annular wedge seal 15, 15a is provided.
  • the second wedge seal 15, As shown in FIG. 2a, 15a is positioned and dimensioned such that it is in the screwed state to the prestressed system on the end face 16a of the Bottle mouth 12a also serves as the second wedge seal 15a to the free end down to a point with flat surfaces.
  • Figures 1a and 2a further show that the cap wall 3 in the upper region, i.e. in the Area shortly before the transition to the end wall 4, one approximately radially or inwards protruding annular seal 17a for contact with the bottle outer wall 18a having.
  • This seal 17a is in the sense of a sealing bead towards the inside, i.e. to Bottle outer wall 18a, rounded.
  • the seal 17a is as shown in FIG Fig. 2a dimensioned such that they are under tension on the in the screwed state Bottle outer wall 18a abuts.
  • FIGS. 1a and 3a together show that the guarantee tape 6, 6a is a second Has predetermined breaking point 19a.
  • the second predetermined breaking point 19a lies on the first predetermined breaking point 5 opposite, so that the guarantee tape 6 when torn - after tearing the first Predetermined breaking point 5 - due to a tearing open of the second predetermined breaking point 19a in approximately two equally long heap 20, 21 is divisible.
  • closure cap is made in one piece and made of plastic, namely polyethylene.
  • the closure cap according to the invention is preferably both for Reusable bottles (MW) and disposable bottles (EW) made of PET usable.
  • Caps with which beverage bottles or similar containers are closed can meet different requirements. First, the seal the beverage bottles or containers can be reached so that the contained in them The beverage cannot escape from the container when it is closed or locked. If the containers to be sealed are bottles containing liquids, then this requirement is determined by the viscosity of the liquid. Are they in the Bottled drinks also with a pressurized gas such as. B. Carbon dioxide added, then the seal must also be gas-tight to the Prevent gas from escaping from the bottle.
  • the seal according to the embodiment "b” is achieved in that a corrugated ribbed structure is provided, which the sealant specifically against Presses the top edge of the container, creating a sealing zone in which the Sealant is pressed at high pressure against the top edge of the container.
  • the Structure according to claim 24 enables targeted positioning of the Sealing lip on the edge of the container under a high contact pressure. This one very Good sealing leading sealing process is made possible without the sealing cap to complicate unnecessarily.
  • Figure 1b is a cap for releasably closing a bottle according to one presently preferred embodiment of the present invention.
  • the in The embodiment described in detail below relates to a screw closure for Cap a bottle that may contain carbonated liquids.
  • the present invention is not limited to Screw caps for bottles is limited.
  • Alternative embodiments relate to for example cans that are suitable for storing / freezing food. Mason jars, but also caps for containers that are not in the food sector be used. such as paint buckets.
  • a closure cap is shown in its initial form in a sectional view.
  • the closure cap consists of a cap body 10b, which has an upper cover part 18b and comprises a substantially cylindrical side part 19b.
  • the side part 19b extends in substantially perpendicular from the plane of the ceiling part 18b.
  • the transition from the ceiling part 18b to the cylindrical side part 19b not abruptly (sharp-edged), but by means of a rounded Transition part 20b.
  • the Ceiling part 18b, side part 19b and transition part 20b are not separate elements, but rather that they together form the cap body 10b.
  • a screw thread 12b is formed, which as Closure mechanism serves by means of which the closure cap 10b on the sealing container 100 is attached.
  • the screw thread 12b acts with a corresponding, paired screw threads 112 (see FIG. 2b) on the bottle 100 together. It is expressly pointed out that the screw thread 12b is not the only possible locking mechanism for the container to be closed represents. All possible other types of locking mechanisms known per se are also suitable, such as clip fasteners which engage in recesses Nose or shoulders, etc.
  • the present invention on the side part 20b inside a sealant in the form of a radially circumferential sealing lip 13, 13b provided.
  • the sealing lip 13 has a long one wedge-shaped shape.
  • the sealing lip 13 In the idle state (i.e. in the state in which the closure cap does not have one Closes container), the sealing lip 13 extends almost from the transition part 20b horizontal, but preferably with a slight inclination towards the center of the Cap.
  • the inclination is 41 ° up to 48 ° against the horizontal to facilitate demolding (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. 3b).
  • the width B is preferably in the range between 3.8 and 4.5 cm. This ensures that the entire top edge 104 of the bottle 100 through the Circularly circumferential sealing lip 13 essentially completely in the cap body 10b is applied when the cap body 10b is screwed onto the bottle.
  • the wedge-shaped, long, thin sealing lip 13 adapts in its profile different bottle necks if normal during the closing process Torques are exerted on the cap.
  • the profile of the sealing lip 13 can adapt to any radius of curvature.
  • the bottom line is the invention Cap close to the bottle under all conceivable environmental conditions.
  • the above-described inclination of the sealing lip 13 in its rest position is adapted to the inclination of the surface 104 of the bottle 100 from the horizontal plane, as can be seen in detail in FIG. 2b.
  • the upper edge 104 of the bottle 100 has an inclination (shown here for the sake of illustration for reasons of enlargement) out of the horizontal plane H, which is indicated by S.
  • the inclination or shape of the sealing lip 13 is preferably adapted to the selected surface shape of the container to be closed.
  • the sealing lip 13 is preferably 3/10 mm to 7/10 mm thick at its root and a thickness of no more than 5 at its tip / 10 mm and should not be less than 2/10 mm, and according to a particularly preferred embodiment between 2/10 mm and 4/10 mm.
  • These values have proven to be particularly advantageous for GDB glass bottles to be closed using the usual plastic materials for the cap body 10b.
  • Correspondingly scaled values result for other caps, which have to close larger or smaller containers.
  • the sealing lip 13 has a special scale-like structure (Fig. 4) that interacts with the bumps on the top edge 104 of the bottle 100, so to seal the bottle better.
  • the sealant is arranged in a preferred embodiment so that a Chamber 33 between the ceiling part 18b and the side part 19b of the closure body and the thin, wedge-shaped sealing lip 13, that is, seen from the sealing lip above outside, arises.
  • This chamber 33 provides room for adaptation to various Bottle neck diameter ready and thus supports a secure seal of the respective Container.
  • FIG. 4 is another particularly preferred embodiment of the closure cap shown in which the sealant according to the teaching of the invention on the Inner surface 18 'has a wavy structure, with individual concentric arranged annular shoulders 34a-f run around the ceiling part 18b. Furthermore points the inner surface 18 'of the cap has a slope of 0.5 ° to 3 ° with respect to Horizontal and is wavy ribbed, as can be seen from Fig. 4. These shoulders 34 are arranged such that the sealing lip 13 on them in the closed state rests and is pressed by it against the upper edge 104 of the bottle 100.
  • the distance between shoulders 34a-f is preferably chosen so that they are all on top edge 104 rest on the bottle 100; in other words, the radius Rs becomes the most concentric circumferential shoulders preferably chosen so that the outermost shoulder 34a (Fig. 4) or 14b (Fig. 1b) is adjacent to the outer edge of the bottle 100, whereas the innermost shoulder 34f (Fig. 4) or 15 (Fig. 1) adjacent to the inside edge of the bottle 100 is located.
  • the radius Rs is concentric shoulders 34a-f in the range of 16.5 mm to 18.5 mm, the radius Rs of the concentrically rotating shoulder 15b at 17.5 mm.
  • the shoulders 14b and 15b 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. 2b), a uniform pressure is set on the upper edge 104 of the bottle 100 in the closed state.
  • the heights of the shoulders 34 in this embodiment are selected according to the invention in such a way that the sealant, as it were, clings to the upper edge 104 of the bottle 100 and seals it securely.
  • the shoulders 34a-f in this embodiment Like the two shoulders 14b and 15b of the embodiment shown in FIG.
  • an elastic lamella 16, 16b extending perpendicularly from the ceiling part 18b is also provided, which extends vertically downwards in the idle state (cf. FIG. 1b).
  • 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 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.
  • Teaching is the sealing lamella 16 with a shoulder 17, 17b equipped, the highest point in the idle state of the cap body 10b in Essentially on a cylinder surface along with the free end of the Sealing lip 13 is located.
  • the radius of the shoulder 17 is preferably 0.25 mm and is selected so that the sealing lamella 16 from the highest point of the shoulder 17 to the top the slat 16 runs at an angle a.
  • Extensive comparative tests have shown that the angle ⁇ should preferably be no more than 35 ° and no less than 25 °, and according to a particularly preferred embodiment should have 28 °.
  • the shoulder 17b acts Sealing lamella 16b with the inside of the bottle 100 in the closed state together, by actuating the locking mechanism 12b the sealing lamella 16b is deflected from its rest position and bent towards the inside of the bottle.
  • the small effective surface of the Sealing lamella 16b (which is essentially through the tip region of the shoulder 17b is specified) a comparatively high sealing pressure is reached, which is caused by the Return torque of the deflected sealing lamella 16b is defined.
  • the closure flap according to the invention can be made from different materials become. If the sealant 11 (together with the shoulders 14b and 34a-f and the elastic slat 16b) provided as an integral part of the cap, suitable especially polyethylene as a cap material.
EP02019387A 1998-03-03 1999-03-03 Kunststoffverschlusskappe mit abtrennbarem Garantieband und Innendichtung Withdrawn EP1266838A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19808926 1998-03-03
DE19808926 1998-03-03
EP99930900A EP1117596B1 (de) 1998-03-03 1999-03-03 Behälter mit einer kunststoffverschlusskappe mit abtrennbarem garantieband und innendichtung

Related Parent Applications (1)

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EP99930900A Division EP1117596B1 (de) 1998-03-03 1999-03-03 Behälter mit einer kunststoffverschlusskappe mit abtrennbarem garantieband und innendichtung

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EP1266838A1 true EP1266838A1 (de) 2002-12-18

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EP02019387A Withdrawn EP1266838A1 (de) 1998-03-03 1999-03-03 Kunststoffverschlusskappe mit abtrennbarem Garantieband und Innendichtung
EP99930900A Expired - Lifetime EP1117596B1 (de) 1998-03-03 1999-03-03 Behälter mit einer kunststoffverschlusskappe mit abtrennbarem garantieband und innendichtung

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US (1) US6338414B1 (da)
EP (2) EP1266838A1 (da)
JP (1) JP2001503359A (da)
CN (1) CN1208219C (da)
AT (1) ATE301081T1 (da)
AU (1) AU723140B2 (da)
BR (1) BR9904821A (da)
CA (1) CA2286584C (da)
DE (2) DE19909308B8 (da)
DK (1) DK1117596T3 (da)
ES (1) ES2247811T3 (da)
ID (1) ID22675A (da)
TR (1) TR199902714T1 (da)
WO (1) WO1999044896A2 (da)

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EP3677527A4 (en) * 2017-08-31 2021-05-05 Betapack, S.A.U. LID FOR CONTAINERS WITH IMPROVED SEALING
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CN208377410U (zh) * 2018-06-25 2019-01-15 厦门德冠科技有限公司 一种密封盖
JP7347938B2 (ja) * 2019-02-27 2023-09-20 日本クロージャー株式会社 樹脂製容器口部とプラスチックキャップとの組み合わせ
WO2020179607A1 (ja) * 2019-03-07 2020-09-10 日本山村硝子株式会社 合成樹脂製キャップ
JP2021084662A (ja) * 2019-11-28 2021-06-03 株式会社クレハ 樹脂製容器

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NL7612729A (nl) * 1975-11-19 1977-05-23 Ziristor Ab Sluiting voor een houder.
US4592476A (en) 1984-06-19 1986-06-03 Japan Crown Cork Co., Ltd. Combination of a container and a closure
EP0316167A2 (en) 1987-11-11 1989-05-17 Dainippon Ink And Chemicals, Inc. Combination of synthetic resin bottle and closure therefor
EP0536082A1 (de) 1991-10-04 1993-04-07 Crown Cork AG Verschlusskappe aus Kunststoff und Werkzeug zu ihrer Herstellung
WO1993024386A1 (de) 1992-05-27 1993-12-09 Schekra Verpackungs Gmbh & Co. Kg Verschlusskappe
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WO2008040602A1 (de) * 2006-10-02 2008-04-10 Schellenbach, Philip Verschluss
RU2449933C2 (ru) * 2006-10-02 2012-05-10 Филип ШЕЛЛЕНБАХ Укупорочный элемент
US8950610B2 (en) 2006-10-02 2015-02-10 Frank Schellenbach Closure

Also Published As

Publication number Publication date
WO1999044896A2 (de) 1999-09-10
DE19909308B8 (de) 2004-09-02
DK1117596T3 (da) 2005-11-21
TR199902714T1 (xx) 2000-09-21
AU723140B2 (en) 2000-08-17
WO1999044896B1 (de) 2000-01-13
ATE301081T1 (de) 2005-08-15
DE19909308B4 (de) 2004-05-19
AU3909399A (en) 1999-09-20
ES2247811T3 (es) 2006-03-01
JP2001503359A (ja) 2001-03-13
ID22675A (id) 1999-12-09
EP1117596B1 (de) 2005-08-03
CA2286584A1 (en) 1999-09-10
CA2286584C (en) 2006-08-01
EP1117596A2 (de) 2001-07-25
CN1256674A (zh) 2000-06-14
WO1999044896A3 (de) 1999-12-09
DE59912364D1 (de) 2005-09-08
CN1208219C (zh) 2005-06-29
DE19909308A1 (de) 1999-09-30
BR9904821A (pt) 2000-08-29
US6338414B1 (en) 2002-01-15

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