EP4303149A2 - Bouchon imperdable présentant un angle d'ouverture stabilisé - Google Patents
Bouchon imperdable présentant un angle d'ouverture stabilisé Download PDFInfo
- Publication number
- EP4303149A2 EP4303149A2 EP23211240.9A EP23211240A EP4303149A2 EP 4303149 A2 EP4303149 A2 EP 4303149A2 EP 23211240 A EP23211240 A EP 23211240A EP 4303149 A2 EP4303149 A2 EP 4303149A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- screw cap
- bottle neck
- guarantee band
- cap
- closure
- 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.)
- Pending
Links
- 230000003313 weakening effect Effects 0.000 claims abstract description 89
- 230000008719 thickening Effects 0.000 claims description 30
- 230000035622 drinking Effects 0.000 abstract description 4
- 210000003739 neck Anatomy 0.000 description 134
- 238000005520 cutting process Methods 0.000 description 20
- 206010053648 Vascular occlusion Diseases 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 235000013361 beverage Nutrition 0.000 description 4
- 239000011295 pitch Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
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- 239000013502 plastic waste Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
- B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/72—Contents-dispensing means
- B65D5/74—Spouts
- B65D5/746—Spouts formed separately from the container
- B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
- B65D5/748—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being left inside the container after the opening
-
- 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
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/16—Devices preventing loss of removable closure members
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/10—Details of hinged closures
- B65D2251/1008—Means for locking the closure in open position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2401/00—Tamper-indicating means
- B65D2401/15—Tearable part of the closure
- B65D2401/30—Tamper-ring remaining connected to closure after initial removal
Definitions
- the present invention relates to a captive closure, consisting of a screw cap, which has at least one cylindrical cap jacket with an internal thread and a circumferential guarantee band at the lower, open end of the cap jacket, the guarantee band being connected to the lower edge of the cap jacket via at least one easily tearable weakening line , whereby the guarantee band remains inextricably connected to the cap jacket via retaining straps after tearing along the weakening lines.
- the present invention also relates to a combination of a container neck with an external thread and a corresponding screw cap.
- Plastic products and corresponding plastic waste especially in the form of so-called microplastics, which are formed from plastic waste through abrasion and decay, are increasingly the focus of public attention.
- the screw caps to which the present invention relates are also made of plastic, typically polyethylene or polypropylene.
- the deposit system that has also been introduced for disposable plastic bottles reduces the number of plastic bottles that end up in residual waste and are recycled instead; However, this does not prevent that in many cases the caps of the bottles are not screwed back onto the bottle after being emptied, but are disposed of separately or thrown away and thus end up in an uncontrolled manner into the environment and, for example, on shores and beaches into the sea.
- the so-called guarantee bands which are connected to the lower edge of a cap jacket via weak points, remain hanging on the bottle neck below a so-called pilferproof ring and already form a captive part of the closure.
- a pilferproof ring is typically an annular projection running underneath a bottle neck thread with a substantially flat or slightly conical underside, behind which radially inwardly projecting projections or parts of a guarantee band get caught, so that the guarantee band is held in place by the pilferproof ring when a screw cap is unscrewed tear the weak points provided between the guarantee band and the cap jacket.
- connection between the guarantee band and the cap jacket, which remains via the at least one retaining band is sufficiently long to be able to completely lift the screw cap from the bottle neck mouth and move it laterally or tilt it away from the bottle neck opening.
- Captive closures have therefore not yet been established in practice to a desirable extent.
- the present invention is therefore based on the object of designing a captive screw cap with a guarantee band in such a way that the screw cap, after being unscrewed and loosened from the bottle neck mouth, is folded away into a position that does not interfere with further use of the bottle and drinking or pouring from the bottle or tilted and can remain there without additional measures.
- the screw cap is also referred to here as a “cap”.
- retaining straps are formed by two weakening lines, each interrupted at least once in the circumferential direction, which run at an axial distance from one another and partially overlap alternately in the circumferential direction, with interruption sections of both weakening lines being bridged by the other weakening line at an axial distance.
- the weakening lines can be made by cuts or can also be produced by separating lines with webs that are already formed in the injection molding tool.
- the aforementioned interruption sections of the weakening lines are referred to below as "dividing webs".
- the separating web of the upper weakening line effectively forms an axial extension of the cylindrical cap jacket limited to a circumferential sector.
- the separating web of the lower weakening line forms an axial extension of a lower guarantee band section which is held stationary on the bottle neck.
- the "guarantee band” is understood to mean all sections on the lower edge of a closure cap jacket that are axially below or beyond the cap thread levels of the weakening line, which corresponds to the line referred to here as the upper weakening line.
- “Axial below” here also includes the inwardly and upwardly angled section of a so-called flex band, which forms an axial extension of the outer guarantee band section during the production of the closure cap, even if parts of this angled flex band section are located on the inside of the cap above the when folded up Levels of the upper weakening line can extend.
- both separators are considered to be part of the guarantee band as long as they lie below the level of the upper weakening line, even if the separator of the upper weakening line is fixed to the lower edge of the cap jacket remains connected and only detaches itself along the lower weakening line from the parts of the guarantee band that remain stationary on the bottle neck.
- This also applies analogously to the retaining straps, which are also below the level of the upper weakening line when the closure is closed, but do not remain in this position during and after opening.
- the guarantee band defined in this way consists of a part that remains stationary on the bottle neck, which - apart from rotation - remains immovable relative to the bottle neck, and of movable parts, such as the retaining straps and the upper separator, which are relative to the bottle neck when opened stationary part and the bottleneck are movable, but remain connected to the stationary part.
- the separating webs have ends in the circumferential direction, which are each connected to one of the ends of the retaining straps across their axial width.
- the separators have at least the same inner radius as the cap jacket.
- the axially downward-pointing free end face of the upper separating web is referred to as the lower edge, while the axial end region of the upper separating web surrounding the edge is referred to as the "edge".
- the sections of the weakening lines that overlap in the circumferential direction define the tethers as strip-shaped sections of the guarantee band that run in the circumferential direction between the weakening lines.
- the cylindrical cap jacket with internal thread defines an axis of the closure, and the bottle neck, onto which a corresponding screw cap is screwed, defines an axis of the bottle neck. When closed, these axes collapse.
- a sufficient axial distance of the weakening lines of, for example, at least 2 mm in their overlap area leads to sufficiently strong retaining straps that do not break up to a tensile force of 30 N and generally up to 40 N.
- a tensile force of 30 N and generally up to 40 N For an average consumer, and especially for children, it is therefore not easily possible to tear the screw cap off of the part of the guarantee band held under the pilferproof ring by tearing the retaining straps. This means that the cap, including the guarantee band, remains permanently attached to the bottle neck.
- each of the two weakening lines has exactly one separator and the centers of the two dividers are diametrically opposed to one another.
- the weakening lines have an axial distance from one another in their overlap areas.
- the two weakening lines when the closure is unopened, the two weakening lines remain at the same axial position along their entire circumferential extent, but at a different axial position between the two weakening lines.
- the axial position of the weakening lines can also vary along their course in the circumferential direction, as long as the retaining straps do not become too narrow and retain a sufficient tear strength of at least 30 N to preferably at least 40 N.
- the upper line of weakness defines a dividing line between the lower edge of the canopy and the guarantee band.
- the lower weakening line separates the guarantee band along a circumferential section into a lower and an upper guarantee band section, the upper guarantee band section being firmly connected to the cap jacket in the area of the interruption of the upper weakening line and otherwise defining a section of the dividing line between retaining bands and the lower guarantee band section.
- top and bottom are used here as they result from an orientation of the closure placed on the bottle neck of a vertically standing bottle.
- the separation of the guarantee band along the entire length of the weakening lines results in strip-shaped sections of the guarantee band being produced in the overlapping area of the weakening lines due to their axial distance, which are referred to here as retaining bands.
- These retaining straps connect the respective separating webs of the upper and lower weakening lines, these separating webs in turn forming a connection to the cap jacket or to the first guarantee band part, which is intended to remain stationary on a bottle neck.
- the separator of the lower weakening line determines the length of the retaining straps, but has no further function with regard to the stability of the open cap position. However, depending on the design, the separating strip of the upper weakening line (upper separating strip) contributes significantly to stabilizing the cap in a wide open state. As far as the “dividing strip” is mentioned below without further identification, this upper separating strip is always meant. This separator forms an axial extension of the cap jacket and is firmly connected to it.
- This separator in the circumferential direction are each connected to one of the ends of the retaining straps.
- the other end of the retaining straps is connected to the ends of the lower divider in the direction of movement
- the cap comes into a position after a pivoting movement of approx. 90 ° in which the cap is pivoted lower edge of the separator is moved radially inwards towards the bottle neck and the upper edge of the separator, which is directly adjacent to the cap jacket, is moved radially outwards away from the bottle neck.
- the retaining straps between the two separating webs are thereby twisted and hold the cap, or the separating web that axially extends the cap, in contact with the bottle neck.
- the lower edge of the separator or its lower edge is in contact with the bottle neck and forms a pivot point on the bottle neck, which, however, shifts in the axial direction during the pivoting movement on the bottle neck
- the retaining straps i.e. H. the length of the overlap areas of the two weakening lines, as well as the axial height and circumferential length of the separator, are designed so that any stretching of the bands remains in the elastic range and does not reach the yield point.
- the elastic restoring forces due to the torsion of these retaining straps are relatively small in comparison to the force that the retaining straps exert on the upper divider in the direction of the bottle neck,
- the specific restoring and stabilization forces caused depend on a whole series of interacting parameters, including, among other things, a certain axial width and the circumferential extent of the upper separating web fixed to the cap jacket , the difference between the outer radius of the bottle neck and the inner radius of the separator, which corresponds to the inner radius of the cap, as well as the circumferential extent of the weakening lines and the lower separator (and thus the length of the retaining straps).
- the separator of the upper weakening line expediently extends over a circumferential angle between 10° and 75°, preferably in the range between 20" and 60°.
- An angle in this range ensures that the separator is stable in itself and together with the cap jacket is folded over and when opening not only the cap jacket is bent over relative to the separator, and on the other hand this also ensures a sufficient force that holds the folded closure in its completely open position, for which the separator must have a certain minimum length in the circumferential direction.
- the separating web of the lower weakening line which is diametrically opposite the separating web of the upper weakening line, can extend over a circumferential angle between, for example, 120° and 200°, preferably between 170° and 190°, the difference in the circumferential angles of the upper and lower separating webs being the length of the Retaining straps are defined that extend between the remaining part of the guarantee band and the cap jacket.
- the width of the separating web remaining on the cap jacket should preferably be at least half the width of the entire, intact, i.e. H. Guarantee band that has not yet been separated along the weakening lines, so that the torsion of this relatively wide section compared to the rest of the guarantee band causes a corresponding difference in diameter and length between the radially inner, lower edge of the separator and the upper edge of the separator that attaches to the screw cap.
- the minimum width of the retaining straps measured in the axial direction depends, among other things, on the specific plastic material used and also on the wall thickness of the retaining straps.
- the minimum distance between the weakening lines, which defines the minimum width of the retaining straps, should therefore be greater than 1 mm, preferably greater than 2 mm and in particular greater than 2.3 mm in one embodiment.
- An upper limit is set by the width of the guarantee band.
- the retaining straps which are effectively formed as the sections of the guarantee band running between the dividing lines, then have sufficient tear strength to prevent the screw cap from being violently torn off from the guarantee band - at least by children's hands.
- the retaining straps are preferably tear-resistant up to a tensile force of at least 30 N, preferably at least 40 N.
- the combination according to the invention of a bottle neck with an external thread and a closure is characterized in that the outer diameter of the bottle neck above a pilferproof ring, the inner diameter of the guarantee band, as well as the width, the circumferential extent and any thickening of the upper one Separator bars are coordinated with one another in such a way that after unscrewing and then folding over the screw cap, the free lower edge of the separator bar engages with the bottle neck.
- the retaining straps are twisted slightly.
- the tilt or fold angle is defined here as the angle between the axis of the bottle neck (which coincides with the closure axis when the bottle or container neck is closed by the closure) and the closure axis in the folded state.
- a small difference in diameter ensures that the lower edge of the separator, which is firmly connected to the lower edge of the cap jacket and is located above the pilferproof ring after the screw cap is unscrewed, engages with the bottle neck even at a relatively small tilt angle and even after When the dead center is exceeded, a force caused by this intervention acts between the bottle neck and the separating bar, which holds and stabilizes the folded screw cap in the wide open position.
- the pilferproof ring has a profile which is defined by a lower flank, which extends in an axial section at at least 80 ° to the bottle neck axis, an area of maximum diameter and an upper flank, which extends at an angle of inclination ⁇ 90° relative to the bottle neck axis and below the thread of the bottle neck merges into the outer bottle neck diameter.
- the upper flank or a section of the bottle neck extends above the upper flank of the profile of the pilferproof ring at least into one or up to an axial position which is reached by the lower edge (11a) of the upper separating web when the screw cap is folded to its maximum position.
- This section has a larger outer diameter than the bottle neck (20) without a thread profile or in the thread base.
- the flank Due to the small angle of the upper flank, the flank has a large axial extent and the area of a diameter defined by this flank, which is larger than the above-mentioned bottle neck diameter, can easily extend beyond the opening and folding of a screw cap from the lower edge of the Extend the area covered by the divider.
- cylindrical neck section of the container neck on which the cylindrical external thread is provided, can generally have a slightly (approx. 0.3 - 0.8 mm) larger diameter below the thread and above the pilferproof ring than above it, which results in an even larger diameter leads to a tighter engagement between the lower edge of the upper separator and the bottle neck and thus tends to further increase the tilt angle between the bottle neck axis and the axis of the closure
- another parameter of the closure can be taken into account in order to ensure a sufficiently large and stable folding angle of the closure in the open state, namely the radial thickness of the upper separator at its lower edge.
- the separating web of the upper weakening line has a radial thickening at least on its free lower edge.
- this lower edge in the closed state is thickened radially outwards.
- This thickening then lies above the pilferproof ring on the bottle neck after the screw cap has been opened and folded over.
- This thickening on the separator compensates for at least part of the difference in radius between the bottle neck and the inner radius of the upper separator, which, as explained above, is also enlarged due to the deeper thread.
- the radial thickening is provided on the outside of the separator and at least at one or two positions in the area of its lower edge. After the cap has been folded over by more than 90°, the radial thickening rests on the bottle neck or on the upper flank of the pilferproof ring.
- the radial thickening on the divider thus forces the area of the divider that lies radially within the thickening - in relation to the cap - radially further outwards, especially at its lower edge with respect to the bottle neck, which effectively means that the part of the divider that is intended without the thickening assumes exactly the same position and angular position as with a smaller radius difference between the bottle neck and the inside of the separator.
- the wall thickness of the separator is up to 1 mm due to a radial thickening of its lower edge, with “thickening” meaning the radial projection of this area beyond the otherwise cylindrical surface of the guarantee band.
- this thickening is between 0.2 and 0.7 mm, in particular 0.2 to 0.4 mm.
- the wall thickness of the guarantee band - apart from the weakening lines - is essentially constant and equal to the wall thickness of the cap jacket.
- the thickening can also extend over the entire guarantee band section below the separating web, d, h to the lower edge of the guarantee band and in particular also along the entire circumference of a lower guarantee band section below a line, and between the upper and lower weakening lines and at a distance from these lie. This simplifies production in an injection mold and in particular also the creation of the lower weakening line compared to a variant which has a radial thickening limited to only an area along the lower edge of the separating web.
- the radial thickening of the upper separator is particularly noticeable with larger thread depths on the bottle neck beyond 1.3 mm, such as threads of the widely used standard type PCO1881.
- the thickening has a stabilizing effect on the folded position of the open cap and holds it Axis of the screw cap when open is tilted by more than 120, preferably by more than 140 ° relative to the bottle neck axis.
- the closure part below the cap jacket is additionally divided into the elements stationary part, retaining straps and separating webs
- both dimensions are in the range of 2 - 3 mm.
- an axial width of approximately 2 - 3 mm remains for the stationary outer guarantee strap section.
- any axial variation in the course of the weakening lines along their circumferential extent would also be limited to an axial area of a maximum of 1 mm wide. This would not change the basic function of a closure according to the invention and is therefore not discussed in detail here.
- the stationary part also forms a flexible band with the outer stationary section already described and a part folded inwards and upwards, which engages with the pilferproof ring of a bottle neck.
- the closure is designed for use on an opening nozzle of a cardboard packaging.
- Such a screw cap for cardboard packaging has a closure base with a circumferential flange on which can be connected in a sealed manner to the surface of a cardboard packaging, as well as a cylindrical pouring spout adjoining the flange, which has an upper external and a lower internal opening, a screw cap with an internal thread, that can be screwed onto an external thread of the pouring spout, a cutting ring arranged in the pouring spout, which has at least one cutting edge projecting axially inwards on its lower edge, and an axial lifting and driving device on the cutting ring and the screw cap, which has one on the inside of the Screw cap attached driver and an axial lifting device which, when rotating the screw cap in the opening direction, moves the cutting ring axially in the direction of the lower opening and in the circumferential direction and thereby makes an at least partially circular cut in the container surface.
- the object on which the invention is based is also achieved in that the screw cap has a circumferential guarantee band on the lower edge of its cap jacket, which with an inner projection engages behind a pilferproof ring on the outside of the pouring spout below the pouring thread, the guarantee band being connected by two separate, partially circumferential and partially overlapping and non-crossing cuts in the circumferential direction are partially divided and partially separated from the jacket of the screw cap, so that in the areas of the cuts overlapping in the circumferential direction, a tether is formed from parts of the guarantee band, which is the one from the External thread loosened screw cap holds on to the lower part of the guarantee band that remains divided on the closure.
- the cutting ring has on its outside a second external thread which is in the opposite direction to the external thread of the pouring spout and which engages with a matching second internal thread on the inside of the pouring spout,
- the second internal thread and the second external thread can have a greater pitch than the internal thread of the screw cap and the external thread of the pouring spout, with the factor between the different pitches preferably being at least 1.5
- the driver of the screw cap can be designed as a lifting cam with a surface or edge inclined to the closure axis and an element of the cutting ring can be designed as a cam follower, and radially overlapping guide elements can be provided on the outside of the cutting ring and on the inside of the pouring spout, the guide elements at the beginning of an opening rotation of the screw cap, only allow an axial movement of the cutting ring and only after reaching a predetermined axial position of the cutting ring allow the cutting ring to be taken along in the circumferential direction and limit further axial movement,
- the closure according to the invention consists of a screw cap 10 with a guarantee band, the screw cap 10 essentially consisting of a cap jacket 2 and a head plate 1, which closes the cylindrical cap jacket 2 at the top. At the lower end of the cap jacket 2 there is a guarantee band 3, which cannot be completely separated from the screw cap 10 in the closure according to the invention.
- Usual screw caps with a guarantee band only have a single weakening line, which, unlike the weakening line 13 shown here, runs without interruption along the entire circumference of the screw cap 10 and represents the dividing line between the screw cap 10 and the guarantee band 3.
- a weakening line can generally be a circumferential, uniform material weakening, which can be created, for example, by an incision that does not completely penetrate the material of the guarantee band 3 or the transition to the cap jacket 2, or it can be an incision that completely penetrates the wall thickness of the guarantee band 3 Incision, which is interrupted at individual points by easily breakable bridges.
- the Figure 2 is side view of the shutter Figure 1 to recognize and Figure 3 shows a development of the guarantee band 3 over 360°, ie the ends of the guarantee band shown on the right and left at 0° and 360°, respectively, abut each other and hang together, so that the guarantee band has a ring shape overall.
- the separation in this development representation divides the divider 12 into two parts, although it is actually a single, connected divider.
- the interruption lines 13, 14 are of different lengths, but are arranged so that they overlap the separating web 11 or 12 of the other weakening line. It is expedient if the centers of the separating webs 11, 12 are diametrically opposite one another, as in the present case at 0° and 180° Figure 3 .
- the retaining straps 15, 16 formed in the overlap area of the weakening line form a substantially tear-resistant connection between the interruption areas 11, 12 .
- the interruption area 11 is connected to the lower edge of the screw cap and the interruption area 12 is connected to the part of the guarantee band 3 that remains in its original position and is located below the weakening line 14.
- the interruption areas 12 and 11 are each connected to one another by remaining retaining straps 15, 16, which are created by the overlapping sections of the two weakening lines 13, 14, so that effectively the screw cap 10 is connected via the retaining straps 15, 16 to the lower section of the guarantee strap and thus remains connected to the bottleneck and is therefore captive.
- Figure 4A If the screw cap is unscrewed sufficiently far from the thread of the bottle neck, the screw cap can be removed or tilted away to the side, as shown in Figure 4B is shown.
- Figure 4C shows a state in which the screw cap 10 is already more than 90° relative to the starting position in Figure 4A tilted or folded over.
- the tilt angle is defined as the angle between the axis 50 of the container neck and the axis 50 'of the cylindrical internal thread of the cap jacket 2, which coincide in the closed state of the closure on the bottle neck, while in the case of the open closure according to Figure 4C the axes 50, 50' have been tilted relative to one another by approximately 150°, starting from the closed position.
- the interruption area 11 which simply represents a relatively stable, axial extension of the cap jacket 2 due to the connection to the cap jacket.
- This divider 11 will also be in In the form of a tab-like extension, it tilts together with the stable closure jacket and has in Figure 4C a horizontal position (perpendicular to the axis 50) has already been slightly exceeded, with the retaining straps 15, 16 being twisted accordingly.
- the lower edge 11a of the separating web 11 engages with the outside of the bottle neck 20, since the edge 11a is smaller due to the tilting of the screw cap and also due to its axial displacement beyond the pilferproof ring 21 and due to the twisting of the retaining straps 15, 16 Radius is forced as in the condition according to Figure 4A .
- the two retaining straps 15, 16 are twisted and the axial displacement of the upper separating web 11 of the guarantee band also leads to an effective reduction in the diameter of the guarantee band including the separating web 11, especially in the area of the lower edge 11a.
- the cap skirt is sufficiently far away from the bottle neck opening so that liquid is poured out of the bottle as well as directly out of the bottle can be drunk without the screw cap still attached to the neck of the bottle having a disruptive effect.
- the screw cap 10 is preferably tilted in such a way that it is in a sufficiently stable position and the cap jacket 2 has the maximum possible distance from the bottle neck opening.
- the pilferproof ring 21 on the bottle neck 20 can, among other things, be designed in such a way that the screw cap 10 is pressed radially outwards when folded over, thereby causing a greater torsion of the retaining straps 15, 16 and consequently an increase in the tilt angle.
- the profile of the pilferproof ring 21 is essentially triangular.
- the profile in this case can also be described as nose-shaped.
- a lower flank 22 of the pilferproof ring extends almost perpendicular to the axis of the container neck 50.
- this lower flank 22 converges with an upper flank 24 in an area of the maximum diameter.
- the area of the maximum diameter is designed here as a rounded edge, which is also referred to here as a ridge 23 running between the lower flank 22 and the upper flank 24.
- the upper flank 24 is at the in Figure 6A Embodiment shown is significantly flatter than the lower flank compared to the bottle neck 20. In this case, the upper flank extends at an angle of approximately 30° to the axis of the container neck 50.
- the tilt angle is approximately 150°.
- the pilferproof ring 21 has such a profile according to the invention or the bottle neck above the pilferproof ring has corresponding additional elements.
- the profile is designed similar to a trapezoid, with the lower flank 22 extending almost perpendicular to the axis of the container neck 50 and the upper flank 24 extending at an angle of approximately 45 ° to the axis of the container neck 50.
- the area of maximum diameter 23 extends axially upwards to such an extent that the separating web 11 remains largely below the upper flank 24 and is thus pressed radially outwards and, in turn, the tilt angle of the bottle neck 20 when it rests on the smaller (outer) diameter d Screw cap 10 enlarged
- FIG. 8B Another alternative is in Figure 8B shown.
- the bottle neck here has an annular projection 26 which is arranged circumferentially above the upper flank 24 of the pilferproof ring 21 on the bottle neck.
- the axial position of the projection 26 is matched to the closure or the screw cap with the separating web 11 in such a way that it or its lower edge 11a abuts against the projection 26 from below and the screw cap is thus held at the bottom in the immediate vicinity of the pilferproof ring.
- the bands 15 could pull the upper separator and thus the entire screw cap slightly upwards until the edge of the separator abuts the thread.
- Figure 9 shows a further screw cap according to the present invention, partially shown in section.
- the screw cap 10 has the guarantee band 3 on its lower edge and a detail A of the lower region of the screw cap shown in section, including the part of an associated bottle neck 20, is shown as an enlarged detail Figure 9A shown separately.
- the screw cap 10 in the Figures 9, 9A and 10, 10A is the one in the Figures 5 and 6A screw cap shown is already very similar, with the exception of the fact that at least the separator 11 has a radial thickening 11b on its lower edge, which in the present case also extends axially below and at the level of the thickening of the separator 11 over the entire circumference of the guarantee band 3 .
- the guarantee band has a greater wall thickness below an imaginary line that lies between the upper and lower weakening lines and at a distance from them than in the case of Figures 5 and 6 ,
- the thickening 11b at the lower edge of the separating web 11, has the purpose of keeping the opened screw cap wide open even when using a thread with a thread depth of more than 1.3 mm, as shown, for example Figure 10 is shown.
- the upper weakening line 13 is because of the cutting plane Figure 9 not present in the area of the separating web 11.
- the separating web 11 is therefore continuously connected to the cap jacket 2.
- the axial position of the upper weakening line would be approximately at the level of the maximum diameter of the pilferproof ring 21.
- the fastening part of the guarantee band is formed by a flexible band.
- This consists of a radially inner, upwardly folded part 3a and a radially outer flexible band section 3b, which remains stationary on the bottle neck even after the closure has been opened.
- Figure 10A shows an enlarged detail of the closure in the opened position according to.
- Figure 10 shows, the radial thickening 11b, which rests here in the area of the transition between the upper flank of the pilferproof ring 21 and the bottle neck section above, causes the imaginary radially inner part 11c of the separating web 11 (which corresponds to a separating web without thickening), and in particular its lower edge of the bottle neck 20 is pressed more radially outwards than if the thickening 11b were not present.
- the screw cap 10 remains in a stable, folded position, for example by 140°, despite the deeper thread profile.
- FIGS 11 - 15 each show the same embodiment of a closure for cardboard packaging, in particular beverage cartons, and are therefore described in connection with one another.
- Figure 1 on average and in Figure 4 in an external view a lower closure part which is designated overall by 40 and consists of a flange 31 with a pouring spout 32 attached to it.
- the pouring spout has an upper opening and a lower opening, not visible here, which, when the closure is on a cardboard packaging, is initially closed by the surface of the cardboard material to prevent any contamination of the container contents.
- the flange 1 is glued or welded onto a cardboard 45, the welding presuming that the cardboard material 45 is provided with a suitable surface coating (e.g. polyethylene).
- a suitable surface coating e.g. polyethylene
- the lower part 40 of the closure has an external thread 42 onto which the internal thread 41 of a screw cap 10 can be screwed.
- the pouring spout 40 also has a further internal thread 31, into which a matching external thread of a cutting ring 35 engages, which also projects axially and in the closed state
- Figure 1 has cutting elements 33 lying directly above the surface of the cardboard 45.
- a driver 34 engages with a matching counterpart 36 on the cutting ring 35 when the screw cap is rotated in the opening direction.
- the guarantee band shows how best to get in Figure 2 recognizes two cutting lines 18, 19, either through weakened material of the guarantee band 30 or, as in the present case, are defined by continuous cuts which are only interrupted by further easily breakable bridges 36 which tear open when the screw cap is opened.
- the lower cutting line 18 and the upper cutting line 19 overlap each other, in the present case along a circumferential angle of approximately 120 °, and each have a lower interruption section 12 and an upper interruption section 11.
- the easily breakable bridges 6 tear first and very quickly, indicating that the closure has been rotated at least once through a small angle in the opening direction, which may be sufficient for the cutting elements to pierce the cardboard material 45.
- the length of the retaining straps 15,16 ie the length of the overlapping areas of the cutting lines, is according to Figure 4 adjusted so that the lower edge of the upper interruption section 11 is in engagement with the outside of the pouring spout 40 when the screw cap 20 is open and folded by approximately 150 ° and the retaining straps 15, 16 are under tension, so that this position of the screw cap is affected by the train the retaining straps and the contact of the lower edge of the interruption section 11 is held by the screw cap 40, even if the pouring spout is tilted in any direction together with the corresponding container.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Clamps And Clips (AREA)
- Ceramic Engineering (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018128886.7A DE102018128886A1 (de) | 2018-11-16 | 2018-11-16 | Unverlierbarer Verschluss |
DE102019120725 | 2019-07-31 | ||
PCT/EP2019/080338 WO2020099200A1 (fr) | 2018-11-16 | 2019-11-06 | Dispositif de fermeture imperdable présentant un angle d'ouverture stabilisé |
EP19802116.4A EP3880574B1 (fr) | 2018-11-16 | 2019-11-06 | Dispositif de fermeture imperdable présentant un angle d'ouverture stabilisé |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19802116.4A Division-Into EP3880574B1 (fr) | 2018-11-16 | 2019-11-06 | Dispositif de fermeture imperdable présentant un angle d'ouverture stabilisé |
EP19802116.4A Division EP3880574B1 (fr) | 2018-11-16 | 2019-11-06 | Dispositif de fermeture imperdable présentant un angle d'ouverture stabilisé |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4303149A2 true EP4303149A2 (fr) | 2024-01-10 |
EP4303149A3 EP4303149A3 (fr) | 2024-03-13 |
Family
ID=68542613
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP23211240.9A Pending EP4303149A3 (fr) | 2018-11-16 | 2019-11-06 | Bouchon imperdable présentant un angle d'ouverture stabilisé |
EP19802116.4A Active EP3880574B1 (fr) | 2018-11-16 | 2019-11-06 | Dispositif de fermeture imperdable présentant un angle d'ouverture stabilisé |
EP24166258.4A Pending EP4403486A1 (fr) | 2018-11-16 | 2019-11-06 | Bouchon imperdable présentant un angle d'ouverture stabilisé |
EP21195586.9A Active EP3995410B1 (fr) | 2018-11-16 | 2019-11-06 | Combinaison d'un col de récipient et d'une fermeture imperdable à angle d'ouverture stabilisé |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19802116.4A Active EP3880574B1 (fr) | 2018-11-16 | 2019-11-06 | Dispositif de fermeture imperdable présentant un angle d'ouverture stabilisé |
EP24166258.4A Pending EP4403486A1 (fr) | 2018-11-16 | 2019-11-06 | Bouchon imperdable présentant un angle d'ouverture stabilisé |
EP21195586.9A Active EP3995410B1 (fr) | 2018-11-16 | 2019-11-06 | Combinaison d'un col de récipient et d'une fermeture imperdable à angle d'ouverture stabilisé |
Country Status (8)
Country | Link |
---|---|
US (2) | US20220002021A1 (fr) |
EP (4) | EP4303149A3 (fr) |
CN (1) | CN113015683A (fr) |
BR (1) | BR112021007456A2 (fr) |
DE (1) | DE202019005974U1 (fr) |
ES (1) | ES2974521T3 (fr) |
PL (1) | PL3995410T3 (fr) |
WO (1) | WO2020099200A1 (fr) |
Families Citing this family (25)
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US11312544B2 (en) * | 2020-03-30 | 2022-04-26 | ThisCap, Inc. | Cap for container |
EP4303149A3 (fr) | 2018-11-16 | 2024-03-13 | BERICAP Holding GmbH | Bouchon imperdable présentant un angle d'ouverture stabilisé |
US20220106081A1 (en) * | 2019-01-30 | 2022-04-07 | Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | A cap for closing a container, a combination of a cap and a neck |
WO2020182854A1 (fr) | 2019-03-11 | 2020-09-17 | Alpla Werke Alwin Lehner Gmbh & Co. Kg | Fermeture de contenant et contenant |
ES2799100A1 (es) | 2019-06-10 | 2020-12-14 | Nypro Inc | Tapón y caño amarrados |
BR112021013048A2 (pt) | 2019-07-22 | 2022-04-19 | Sacmi | Tampa para um recipiente, combinação de uma tampa e um gargalo do recipiente e seu método de produção |
MX2021010594A (es) | 2019-07-22 | 2021-09-23 | Sacmi | Tapa para cerrar un recipiente, una combinacion de una tapa y un cuello. |
CA3156175A1 (fr) | 2019-09-30 | 2021-04-08 | Berry Global, Inc. | Fermeture pouvant etre retenue |
CN114746343A (zh) * | 2019-11-29 | 2022-07-12 | Sig技术股份公司 | 纸板/塑料复合包装件的带有用于牢固地紧固螺旋盖的锚环的可重新密封的倾倒元件 |
US20210221572A1 (en) * | 2020-01-16 | 2021-07-22 | Closure Systems International Inc. | Package with tethered closure |
US11718450B2 (en) * | 2020-01-24 | 2023-08-08 | Betapack, S.A.U. | Capping device intended to be fixed on the neck of a container and an assembly comprising a container and a capping device |
EP3854716A1 (fr) * | 2020-01-27 | 2021-07-28 | Elopak GmbH | Dispositif de fermeture pour un emballage à base de papier ou de carton |
CN116490440A (zh) | 2020-09-23 | 2023-07-25 | 萨克米伊莫拉机械合作社合作公司 | 用于容器的盖 |
US20220371785A1 (en) * | 2021-05-24 | 2022-11-24 | Richard D. Lohrman | Modified Sidewall of Tethered Closure |
IT202100017879A1 (it) * | 2021-07-07 | 2023-01-07 | Affaba & Ferrari S R L | Tappo compatto ad apertura rapida e assieme tappo e imboccatura di contenitore |
WO2023285491A1 (fr) * | 2021-07-12 | 2023-01-19 | Rosti Group AB | Fermeture en plusieurs parties |
US20230055070A1 (en) * | 2021-08-19 | 2023-02-23 | Closure Systems International Inc. | One-piece closure |
TWI807437B (zh) * | 2021-09-30 | 2023-07-01 | 宏全國際股份有限公司 | 切割連結蓋 |
WO2023081880A1 (fr) * | 2021-11-08 | 2023-05-11 | Silgan White Cap LLC | Saillie sur le col d'un récipient |
SE2251023A1 (en) | 2022-09-05 | 2024-03-06 | Modulpac Ab | Bottle closure and bottle provided with such closure |
EP4361063A1 (fr) * | 2022-10-28 | 2024-05-01 | BERICAP Holding GmbH | Fermeture munie d'un maillon et d'une paroi de guidage pour un récipient |
SE2251498A1 (en) * | 2022-12-20 | 2024-06-21 | Emballator Vaexjoe Ab | A cap for a bottle with a threaded portion for securing the cap to the bottle |
PL73288Y1 (pl) * | 2023-02-28 | 2024-01-15 | Nowak Andrzej P H U P Nowex | Nakrętka z pierścieniem gwarancyjnym |
PL443927A1 (pl) * | 2023-02-28 | 2023-08-14 | Nowak Andrzej P.H.U.P. Nowex | Nakrętka z pierścieniem gwarancyjnym |
PL73289Y1 (pl) * | 2023-02-28 | 2024-01-15 | Nowak Andrzej P H U P Nowex | Nakrętka z pierścieniem gwarancyjnym |
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US5360126A (en) * | 1992-12-21 | 1994-11-01 | Zapata Industries, Inc. | Tamper-evident plastic closure with 2-tier bridge arrangement |
US5960992A (en) * | 1995-10-03 | 1999-10-05 | International Paper Company | Aseptic brick package spout |
IT1290079B1 (it) * | 1997-03-14 | 1998-10-19 | Tetra Laval Holdings & Finance | Dispositivo di apertura richiudibile per confezioni per prodotti alimentari versabili |
US7261226B2 (en) * | 2001-12-12 | 2007-08-28 | Portola Packaging, Inc. | Closure having rotatable spout and axially movable stem |
DE60311274T2 (de) * | 2003-11-18 | 2007-08-30 | Tetra Laval Holdings & Finance S.A. | Wiederverschliessbare Öffnungsvorrichtung für Packungen aus versiegelter Folie für ausgiessbare Nahrungsmittel |
CN1830730A (zh) * | 2005-01-01 | 2006-09-13 | 郭永军 | 铰接式防盗瓶盖 |
DE102006016113B3 (de) * | 2006-04-04 | 2007-08-23 | Sig Technology Ag | Wiederverschließbares Ausgießelement für Karton/Kunststoff-Verbundpackungen |
CA2691526A1 (fr) * | 2007-06-22 | 2008-12-31 | Si Joong Kwon | Contenant pourvu d'un bouchon anti-perte et anti-rotation |
AU2008311561B2 (en) * | 2007-10-10 | 2012-01-19 | Best Cap Co., Ltd | Container with anti-loss and anti-idle-rotation cap |
DE102007057863A1 (de) * | 2007-11-29 | 2009-06-04 | Sig Technology Ag | Selbstöffnendes und wiederverschließbares Ausgießelement aus Kunststoff zur Applikation auf einer Packung für Flüssigkeiten |
JP2013517995A (ja) * | 2010-01-25 | 2013-05-20 | グリーンキャップ カンパニー リミテッド | 栓紛失および空回転防止容器 |
US9108774B2 (en) * | 2010-01-28 | 2015-08-18 | Si Joong Kwon | Stopper for packaging container |
KR20100029797A (ko) * | 2010-02-19 | 2010-03-17 | 양두영 | 안전용기 캡 |
CN102700822A (zh) * | 2012-05-15 | 2012-10-03 | 李红彪 | 瓶盖 |
JP5948181B2 (ja) * | 2012-08-03 | 2016-07-06 | 日本クロージャー株式会社 | 合成樹脂製容器蓋 |
CH708556A2 (de) * | 2013-09-05 | 2015-03-13 | Deltona Innovations Ag | Selbstöffnender Kunststoffverschluss. |
US9776779B2 (en) | 2014-03-10 | 2017-10-03 | Phillip John Campbell | Closure with spring loaded tether docking |
KR101744846B1 (ko) * | 2016-11-14 | 2017-06-08 | 양복주 | 다목적 친환경캡 |
EP3784585B9 (fr) | 2018-04-26 | 2023-10-04 | Obrist Closures Switzerland GmbH | Moyen de fermeture |
EP4303149A3 (fr) | 2018-11-16 | 2024-03-13 | BERICAP Holding GmbH | Bouchon imperdable présentant un angle d'ouverture stabilisé |
-
2019
- 2019-11-06 EP EP23211240.9A patent/EP4303149A3/fr active Pending
- 2019-11-06 CN CN201980075323.8A patent/CN113015683A/zh active Pending
- 2019-11-06 ES ES21195586T patent/ES2974521T3/es active Active
- 2019-11-06 US US17/280,787 patent/US20220002021A1/en not_active Abandoned
- 2019-11-06 EP EP19802116.4A patent/EP3880574B1/fr active Active
- 2019-11-06 DE DE202019005974.1U patent/DE202019005974U1/de active Active
- 2019-11-06 WO PCT/EP2019/080338 patent/WO2020099200A1/fr unknown
- 2019-11-06 PL PL21195586.9T patent/PL3995410T3/pl unknown
- 2019-11-06 BR BR112021007456-2A patent/BR112021007456A2/pt not_active IP Right Cessation
- 2019-11-06 EP EP24166258.4A patent/EP4403486A1/fr active Pending
- 2019-11-06 EP EP21195586.9A patent/EP3995410B1/fr active Active
-
2022
- 2022-11-25 US US17/994,210 patent/US20230090849A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3995410A1 (fr) | 2022-05-11 |
CN113015683A (zh) | 2021-06-22 |
EP3880574B1 (fr) | 2024-07-10 |
EP4403486A1 (fr) | 2024-07-24 |
PL3995410T3 (pl) | 2024-06-24 |
WO2020099200A1 (fr) | 2020-05-22 |
DE202019005974U1 (de) | 2023-09-28 |
ES2974521T3 (es) | 2024-06-27 |
US20230090849A1 (en) | 2023-03-23 |
US20220002021A1 (en) | 2022-01-06 |
EP3995410C0 (fr) | 2024-02-14 |
EP3880574A1 (fr) | 2021-09-22 |
EP4303149A3 (fr) | 2024-03-13 |
BR112021007456A2 (pt) | 2021-07-20 |
EP3995410B1 (fr) | 2024-02-14 |
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