EP3344559A1 - Getraenkedosenverschluss sowie doseneinheit aus getraenkedose und verschluss - Google Patents
Getraenkedosenverschluss sowie doseneinheit aus getraenkedose und verschlussInfo
- Publication number
- EP3344559A1 EP3344559A1 EP16724888.9A EP16724888A EP3344559A1 EP 3344559 A1 EP3344559 A1 EP 3344559A1 EP 16724888 A EP16724888 A EP 16724888A EP 3344559 A1 EP3344559 A1 EP 3344559A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- beverage
- closure
- end wall
- closure according
- retaining ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000013361 beverage Nutrition 0.000 title claims abstract description 152
- 238000007789 sealing Methods 0.000 claims description 59
- 230000035622 drinking Effects 0.000 claims description 39
- 239000003566 sealing material Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 241000238631 Hexapoda Species 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B65D51/00—Closures not otherwise provided for
- B65D51/007—Separate closure devices for reclosing opened cans or tins, e.g. beer cans
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
-
- 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
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0025—Upper closure of the 47-type
-
- 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
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0071—Lower closure of the 17-type
Definitions
- the invention relates to a resealable beverage can closure for attachment to a beverage can and a can unit of beverage can and attached beverage can closure.
- Beverage cans with a single closure are well known. Such cans have a sheath and a bottom, which merge into one another and are formed by deep drawing. The top of the can is formed by a separately manufactured end wall, which is welded to the rest of the can. In this end wall, which is usually like the rest of the aluminum can, a drinking opening is perforated by punching. This drinking opening can then be opened once. For opening, there are various opening mechanisms, wherein the wall portion around which the perforation passes, is usually pressed, so that the opening is exposed. In the case of beverage cans, a lever attached to the end wall, also called closure ring or pull tab, has prevailed.
- Beverage cans essentially have a standardized geometry, wherein the jacket is always made cylindrical over almost the entire axial height and at the bottom of the can a closed circumferential, annular bulge is provided, over which an annular base is formed.
- This annular bulge is important for a stackability, because the bulge sits inside of an upwardly projecting upper edge of the underlying can, which holds the can standing on the side.
- the jacket also has in the edge region to the end wall (welding area) a circumferential, lateral radially outwardly open annular groove below its aforementioned upper edge.
- the disadvantage is that such an exposable only once opening in the front wall can not be closed again and thus the entire contents of the box must be consumed at one time or degenerate.
- unnoticed by the exposed opening insects can penetrate into the can, whereby the risk that the insects are subsequently swallowed by the consumer.
- beverage manufacturers often have no interest in reclosing the can, because the closure mechanism makes the can more expensive, thus reducing profits and reducing overall consumption.
- the object of the invention is therefore to provide a resealable beverage can closure and a can unit made of beverage can and beverage can closure, through which the can end only once to open the drinking opening is resealable.
- the beverage can closure according to the invention should be easy to produce and, above all, reliably seal against the front wall of the can.
- a resealable beverage can closure which can be plugged onto a beverage can and has a base element which can be fastened on the canister and a cover which is attached to the main body and which can be reversibly reclosed to close the beverage can.
- the main body has a circumferential retaining ring for latching, that is snapping, in the annular groove in the edge region of the jacket of the can and integrally connected to the retaining ring, adjacent to a central opening in the body longitudinal webs to rest against the side wall laterally of the drinking opening.
- the central opening is designed around the drinking opening around and exposing it with the beverage can closure open, either for the first time opening the drinking opening in the front wall or after opening to empty the Beverage can.
- the longitudinal webs extend transversely to the retaining ring and connect substantially opposing retaining sections with each other, wherein in each case at least one free space is present between the longitudinal webs and the adjacent sections of the retaining ring. This space is, so to speak, a hole in the body. Between the longitudinal webs lies the central opening. On the other side of the respective longitudinal webs, the previously mentioned free space is then present, which ensures that in this area the retaining ring is exposed and is not coupled to an upper-side wall section of the main body.
- the retaining ring Since the retaining ring thus has exposed clip-like sections in the region of the free spaces, the retaining ring is considerably more flexible in the circumferential direction than in embodiments in which the retaining ring circumferentially merges integrally into an upper wall of the base body which completely covers the end wall. Due to this higher flexibility of the retaining ring, this can be easily attached to the beverage can and above all provided with a larger undersize to Dosenau jointgeometrie. In addition, this undersize in the embodiment according to the invention less influence on the important sealing surfaces taken, which are formed in the present case by the longitudinal webs.
- the longitudinal webs can be stretched elastically to adapt to the re-bulging end wall and press against it.
- at least over 35%, in particular over at least 45%, of the circumferential length of the retaining ring adjoin open spaces, that is to say that in these sections the retaining ring is actually designed only as a clamp section and not above the upper one Edge merges into a frontal portion of the body.
- the longitudinal webs connecting transverse webs are provided.
- Longitudinal and transverse webs together form a closed circumferential, surrounding the drinking opening and applied to the end wall sealing ridge, which in turn surrounds the central opening or the central opening defined.
- the sealing effect between the beverage can closure and the beverage can is thus realized exclusively by contact on the end wall of the can.
- At least one transverse web can pass over its entire side edge in one piece via an intermediate portion in the retaining ring, so that in this area a portion (intermediate portion) of the main body from the retaining ring over the upper edge of the box to the part of the closure, which lies over the end wall.
- This part is in this case the crossbar.
- the beverage can closure is consequently stiffened, which allows to provide here other functions requiring a rigid geometry.
- the sealing web can be resilient relative to the retaining ring perpendicular to the plane defined by the retaining ring be formed to the retaining ring, that the sealing web presses with closed beverage can and outwardly arched end wall and with open beverage can and substantially flat end wall with bias against the end wall.
- the retaining ring lies with its lower Edge in a plane or defined in the mounted position by the annular groove a plane.
- the longitudinal webs and / or the transverse webs can extend arched to form the underside. This means that the longitudinal webs bulge in the initial state already in the direction of the end wall to realize a spring action, similar to a prestressed leaf spring, and to increase the pressure on the end wall where it springs back most when opening the can.
- the preferred embodiment of the invention provides that the sealing ridge lies completely below the upper edge of the can, to which the beverage can closure is snapped. He is thus in the depression formed between the upwardly projecting upper edge of the box and its end wall. This ensures that when stacking cans that are equipped with the beverage can closure according to the invention, no substantial increase in the stack height is accompanied.
- the cover can be connected via a pivot bearing, in particular a film hinge, with the base body, so that cover and body form an integral unit.
- the preferred embodiment of the invention provides that the beverage can closure according to the invention is made entirely of plastic.
- the pivot bearing may be provided in the region of the gap which is defined between the connecting ribs of the transverse web with the retaining ring. This also creates more space for the part of the lid, which is close to the hinge.
- the cover may also be releasably held on the base body in the closed position of the beverage can closure via a latching connection, that is, it is easy to open and close.
- a locking geometry of the locking body provided on the main body which cooperates with a corresponding locking geometry on the cover, can be formed on the intermediate section, which merges into a transverse web and into the retaining ring.
- this is of course provided on that crosspiece, which is integrally connected along its entire side edge over the intermediate portion with the retaining ring and thus forms a very stiff portion of the beverage can closure.
- the locking geometry of the locking body may be formed on the base body in the region of a longitudinal web, in particular on one of the two connecting ribs, with which each longitudinal web is connected to the retaining ring. Preferably in the region of the side facing away from the film hinge sides of the longitudinal webs.
- the lid may have on its underside facing the base adjacent longitudinal ribs, each longitudinal rib is associated with a longitudinal ridge and in the closed state of the beverage can closure sealingly cooperates with the longitudinal web, preferably sealingly abuts against it.
- a relatively narrow pressure surface or Andrücklippe is realized, which produces a better sealing effect than a wide rib.
- the lid has on its underside a closed circumferential, preferably defined by a circumferential rib contact surface, which cooperates in the closed state of the closure sealingly with the sealing web, preferably closed circumferentially rests on the sealing web.
- a closed circumferential preferably defined by a circumferential rib contact surface, which cooperates in the closed state of the closure sealingly with the sealing web, preferably closed circumferentially rests on the sealing web.
- a simple production of the beverage can closure according to the invention results from the fact that the beverage can closure is a 2-K injection molded part, wherein one component forms the base body and the lid and the other component, the seal or the seals.
- At least the longitudinal webs, preferably also additionally the transverse webs, from the top to the bottom have through holes. Through these holes extends the sealing material, which forms the seal at the top and which forms the seal at the bottom.
- these seals are integrally into each other, and it is achieved a positive connection of the seals against the rest of the beverage can closure.
- a particularly effective seal is achieved by a side seal surface extending around the central opening which is part of the seal and thus of the seal land and which extends substantially perpendicular to the central opening. This side sealing surface can interact with the contact surfaces, in particular the sides of the rib of the lid, in order to seal the beverage can closure tightly.
- the gasket may have a bottom provided between the side sealing surface and the central opening.
- a further sealing surface is provided, against which the contact surface can rest, whereby the sealing effect of the seal is further improved.
- the bottom may also be provided with a groove for improved fit of the lid to the seal, with portions of the side surface defining the groove on one side.
- the contact surface in the closed state of the beverage can closure sealingly against the side sealing wall partially rest, in particular on the central opening facing side of the side sealing wall partially abut.
- the seal has at least one extension which extends at least in sections below at least one of the longitudinal and / or transverse webs away from this longitudinal and / or transverse web, the extension being designed such that it projects into the depression of the end wall can intervene sealingly.
- the extension is formed for example in the portions of the seal, which are arranged in the mounted state of the beverage can closure above the recess.
- the contour of the extension is preferably complementary to the contour of the depression, in particular complementary to the drinking opening-side wall of the depression, so that the seal can also adapt to the end wall in the region of the depression and seal it.
- the beverage can closure in its closed state can have on its upper side a recess formed at least in circular segment sections. This depression serves to accommodate the aforementioned annular bulge of the can to form the footprint.
- the patch on the closure of the invention box is held laterally.
- predetermined, protruding contact points can be formed to support the bulge, so that the can stacked thereon is only at a few, predefined points on the closure according to the invention.
- This is also for sanitary purposes, because the area that may be contacted by the user with the mouth should not have previously been contacted by a patch box.
- the central opening in the base body should in particular be so large that the drinking opening and a closure ring provided on the end wall of the can for opening the drinking opening lie completely in the central opening.
- the central opening ensures that both the drinking opening is accessible and the opening mechanism on the can.
- the central opening has an elongated shape, the opening being wider at one longitudinal end than at the opposite longitudinal end.
- the longitudinal webs thus run in particular at an angle to each other or away from each other.
- the lid may be arched on its underside to the top to receive an actuated locking ring in the closed state of the beverage can closure. These locking rings are pulled up and bent once when opening. The locking rings usually remain attached to the front wall from an environmental point of view and thus stand further upwards than in the unactuated state. The lid thus formed also closes securely in a still attached to the front wall, but already actuated locking ring.
- the retaining ring goes over at its upper end into a section which extends over the jacket and the end wall connecting the upper edge of the box in the direction of the end wall and thus covering the upper edge of the box in sections.
- This section forms a drinking rim.
- the drinking rim should be located on that portion of the retaining ring which is closest to the drinking opening.
- this lip covers the drinking rim and exposes it when the beverage can closure is open.
- the invention further relates to a can unit of a beverage can of the aforementioned type, namely having a jacket and an end wall having a closed by a disposable closure drinking opening, wherein the jacket in the region of the end wall has a circumferential lateral annular groove.
- the can unit according to the invention comprises a beverage can closure according to the invention. This beverage can closure can be non-destructively detachable from the beverage can and thus used on a still full can.
- top and bottom refer to the state in which the beverage can closure is placed on a beverage can and the beverage can is horizontal, with the drinking opening facing up, on a base.
- FIG. 1 shows a perspective top view of a can unit according to the invention with a beverage can and a beverage can closure according to the invention attached thereto,
- FIG. 1 shows a perspective top view of a can unit according to the invention with a beverage can and a beverage can closure according to the invention attached thereto,
- FIG. 1 shows a perspective top view of a can unit according to the invention with a beverage can and a beverage can closure according to the invention attached thereto
- FIG. 2 is a perspective view of the beverage can closure according to the invention in the opened state
- FIG. 3 is a plan view of the opened beverage can closure according to FIG. 2;
- FIG. 4 shows a sectional view along the line IV-IV in FIG. 1 through a section of a longitudinal web
- FIG. 5 a longitudinal sectional view through a can unit according to the invention with beverage can stacked thereon
- FIG. 6 shows a perspective view of the can unit according to FIG. 1 according to the invention with the lid open
- Figure 7 is a perspective view of a second embodiment of the beverage can closure according to the invention in the open state.
- Figure 8 is a partial sectional view of a can unit according to the invention with the beverage can closure of Figure 7 in the closed state.
- FIG. 1 a can unit of a conventional, made of aluminum beverage can 10 and a plugged onto the beverage can 10 resealable, separately produced beverage can closure 12 is shown.
- the beverage can 10 essentially consists of a bottom 14 which, in FIG. 5, is based on an identical one placed on the can unit Beverage can 10 can be seen, an integrally adjoining predominantly circular cylindrical shell 16 and an end wall 18 which is recessed.
- the lateral surface 16 usually has in beverage cans to its upper end a frusto-conical portion 19, to which an upwardly peripheral edge region with an upper edge 20 of the can connects (see Figure 6), via which the jacket 16 and the end wall 18 connected to each other are. Opposite the upper edge 20, the end wall 18 is recessed.
- a drinking opening 22 is predefined by embossing, which can be closed or opened once by a one-time closure with an opening mechanism, for example a locking ring fastened to the end wall 18.
- the locking ring is also referred to as Pulltab.
- the end wall 18 also has a recess 23 which is provided between the rim 20 and the drinking opening 22.
- the recess 23 may have the shape of the rim 20 in plan view, but with a smaller radius than the edge 20. Also, the recess 23 surrounds the drinking opening 22 completely.
- the recess 23 may be formed as a groove.
- the jacket 16 near the upper edge 20 in the edge region has a closed circumferential lateral, in particular a cross-sectionally concave, radial annular groove 26.
- a beverage can closure 12 is attached or, in other words, clipped, which uses the annular groove 26 as a holder.
- the beverage can closure is an injection-molded part made of plastic, in particular polypropylene, with a base body 28 and a cover 32 integrally connected to the base body 28 via a film hinge 30.
- the main body comprises a closed circumferential clamp-shaped retaining ring 34, which, as can be clearly seen in FIGS. 2 and 5, is convexly curved on its radially inner side, preferably substantially complementary to the outer side of the annular groove 26.
- the retaining ring 34 has an overall elongated cross-sectional shape, seen in axial section, which runs essentially parallel to the axial direction, ie to the central axis of the circular-cylindrical section of the jacket 16.
- a closed circumferential sealing ridge Integrally connected to the retaining ring 34 is in the radial interior of the base body, a closed circumferential sealing ridge, which longitudinal ridges 36 includes extending laterally along the drinking opening 22 and the opening mechanism in the form of the closure ring 24. Characterized in that the drinking opening 22 is slightly wider at its end remote from the locking ring 24, resulting in total for the unit of drinking opening 22 and locking ring 24 is a slightly oval envelope. In order to allow access to the drinking opening 22 completely as well as the locking ring 24, the longitudinal webs 36 also slightly oblique to each other and define therebetween a central opening 38 which is aligned with the unit of drinking opening 22 and closure ring 24 and slightly larger than this unit as Figure 6 shows. The longitudinal webs 36 connect substantially opposite retaining ring portions 40 and 42 with each other. Transverse webs 44, 46 connect the two longitudinal webs 36 together and together with these form a circumferential sealing web.
- two connecting ribs 48 are provided, via which the transverse web 44 is integrally connected in sections at its radially outer side edge and the longitudinal web 36 merging into this region into the retaining ring 34.
- the connecting ribs 48 extend arcuately upwardly and eventually downwardly to the retaining ring 34 to form a receiving space 50 for the edge 20 and the edge region.
- a gap 52 is formed, which is designed as a void, without material.
- a free space 56 is provided in the main body 28 between this and its directly opposite retaining ring portion 54, so that there is no material between the longitudinal web 36 and the retaining ring 34 here.
- the transverse web 46 is connected over the entire length of its radially outer side edge, also in the region of the transition to the longitudinal webs 36, with the retaining ring 34, via an intermediate portion 53, so that this part of the closure is relatively stable.
- the lid 32 is pivotable about the film hinge 30 and may be the central
- a locking contour 58 wedge-shaped in cross-section is formed, which leads downwards to an undercut (see FIG. 5).
- the lid 32 in turn has a corresponding locking geometry 60 with an outwardly projecting edge which can engage behind the locking geometry 58.
- the intermediate portion 53 extends upwardly and finally in an arc back down to the upper end of the retaining ring 34 and also has a receiving space 50 between it and the retaining ring 34, in which the edge 20 and the edge region can be accommodated.
- This intermediate portion 53 which connects the cross bar 44 with the retaining ring 34, will act as a drinking rim 59 in its middle section when the beverage can is opened and drunk out of it, because the can contents flow out via this drinking rim 59.
- the lid 32 has a, as can be clearly seen in Figures 1 and 5, radially projecting lip 62, which covers the drinking edge 59 upwards in the closed state of the beverage can closure.
- the lip 62 protrudes radially in sections so far outwards that, in the closed state, it protrudes laterally beyond the retaining ring 34 and thus can act as a control surface for opening the closure.
- the longitudinal webs 36 preferably also the transverse webs 44, have from the top to the bottom through holes 64, of which only some are provided in Figure 2 with reference numerals. Through these holes 64, it is possible to soft sealing material in a 2-K injection molding process to the webs 36, 44, 46 to inject and to connect them positively with these.
- annular circumferential seal 68 and 70 Namely on both the top and on the underside of the sealing ridge runs an annular circumferential seal 68 and 70 (see Figure 4), wherein the seals 68, 70 integrally merge into each other through the holes 64, because the holes 64 are filled by the sealing material.
- the difference between Figures 2 and 4 in the region of the webs 36, 44, 46 shows where the circumferential seals 68, 70 are positioned.
- the seal 70 is provided substantially identically on the underside of the sealing ridge.
- the lid 32 has on its base body 28 facing bottom, which can be seen in Figures 2 and 3, a closed circumferential narrow rib 71 with longitudinal ribs 72 which come in abutment on the seal 68 on the longitudinal webs 36 in the closed state, and Transverse ribs 74, which in turn rest on the seal 68 in the region of the transverse webs 44, 46.
- the circumferential rib 71 on the sealing ridge more precisely on the seal 68 of the sealing ridge and compresses it.
- the illustrated embodiment is designed so that the lid 32 in the closed state of the closure does not cover the free spaces 56, so that the longitudinal ribs 72 define the lateral end portions of the lid 32 in this area.
- the lid 32 is arched on its underside to the top, ie. H. formed by the ribs 72, 74 a downwardly open receiving space 80 (see Figure 5) which is so large that it can receive an actuated locking ring 24 in the closed state of the beverage can closure.
- the lid presses with the circumferential rib 71 and in the seal 68 to seal liquid-tight, and also pushes the seal 70 at the bottom of the sealing ridge closed circumferentially against the top of the end wall 18 and is deformed, so also Here a seal against leakage of liquid is created.
- the end wall 18 in Figure 5 is shown substantially flat, it should be emphasized that due to the pressure of the contents of the beverage can before the first opening of the same, the end wall 18 bulges upward, so that the circumferential line of contact on the end wall top, along the seal 70th is present, may be slightly offset in height to the position in Figure 5.
- the sealing ridge against the retaining ring 34 is perpendicular to the plane defined by the retaining ring E and thus in the vertical direction (when mounted box) resiliently on the retaining ring 34th appropriate. This ensures that the sealing bar presses with closed beverage can and outwardly curved end wall 18 as well as the opened beverage can and substantially flat end wall 18 with bias against the end wall 18.
- the longitudinal webs 36 may extend arcuately downward toward the underside, as indicated by a broken line in FIG. 2.
- the arcuate curvature of the longitudinal webs 36 ensures that the longitudinal webs 36 can go along this movement distance. This arcuate curvature can of course be realized by additional application of material or a corresponding thickening of the seal 70 in the central portion of the longitudinal webs 36.
- Beverage cans have to be stackable. Beyond that, the beverage can closure should hardly be accompanied by an additional stack height in order to achieve acceptance by the filler.
- the beverage can closure in the closed state on its upper side formed at least in circle segment sections recess 90 into which an opening provided on the bottom 14 of the box, annular bulge 92 protrudes, whereby the patch on the can 10 Can is held sideways as desired.
- the bulge 92 forms the standing surface or the standing ring surface of each can.
- contact points 94 are provided in the region of the recess 90 predefined contact points 94 in the form of upper sides of small projections, wherein preferably three or four such contact points 94 are present. They prevent, for example, that the bulge rests against the lip 62. Due to the free spaces 56 and the gap 52 of the retaining ring 34 is over large
- Circumferential sections preferably over more than 45% of its circumference, not with the rest, d. H. connected to the inner portion of the body 28 and can be stretched here in the circumferential direction regardless of the rest of the closure plastically as a clamping ring or strap.
- the retaining ring 34 has a relation to the annular groove 26 clear undersize, which generates a tension on the longitudinal webs 36 when the beverage can closure is placed. Thus, the pressure forces of the longitudinal webs 36 are increased at the top of the end wall 18.
- the convex shape of the inner side of the retaining ring 34 allows the closure to be easily slipped on or pushed onto the edge 20 from above, as FIG. 5 shows. The forces to push or attach are thereby applied by the user without further notice.
- the beverage can closure can also be withdrawn nondestructively from the beverage can 10 upwards and plugged onto the next beverage can 10. He is so reusable.
- FIGS. 7 and 8 show a further embodiment of the can unit or beverage can closure 12. This embodiment substantially corresponds to the first embodiment, so that only the differences will be discussed below. The same and functionally identical parts are given the same reference numerals.
- the gasket 68 extends partially further upward in the second embodiment than in the first embodiment. Thus, in the second embodiment, the gasket 68 partially engages the connecting ribs 48 and the intermediate portion 53. The gasket 68 may even extend so far that it partially even surmounted the edge 20 of the beverage can 10 in height when the beverage can closure 12 is mounted on the beverage can 10.
- the seal 68 has a step 95 which defines a side sealing surface 96 oriented towards the central opening 38.
- the side sealing surface 96 extends substantially perpendicular to the plane E and extends completely around the central opening 38.
- the gasket 68 has a bottom 98. Also, a groove (not shown) may be formed in the bottom 98, wherein portions of the side sealing surface 96 may form one side of the wall of the groove.
- the pressing surfaces or sealing surfaces on the lid 32 are in the second embodiment on the outside, i. formed on the side facing away from the central opening 38 in the closed state of the rib 71 and the longitudinal ribs 72 and the transverse ribs 74.
- the rib 71 is disposed in the closed state between the central opening 38 and the side sealing surface 96 and sealingly abuts the side sealing surface 96 laterally.
- the seal 68 can also be compressed in this case.
- the sealing connection between the rib 71 and the side sealing surface 96 extends perpendicular to the plane defined by the retaining ring E and thus in the vertical direction (when mounted box), the compound remains liquid-tight even when the lid 32 or the rib 71 is moved in the vertical direction relative to the seal 68.
- These slight relative movements can occur when 12 beverage cans 10 are re-sealed with carbonated drinks with the beverage can closure, whereby pressure builds up within the beverage can closure 12, which easily deforms the lid 32.
- the rib 71 can also come into contact with the bottom 98 in a sealing manner, whereby the sealing effect is improved.
- the rib 71 can engage in the groove.
- the side sealing surface 96 is not formed on a step 95, but the seal 68 has a different projection, edge, edge or the like, on which the side sealing surface 96 is provided.
- the seal 70 also has an extension 99 which extends below parts of the webs 36, 44, 46 further down.
- the extension 99 has a contour which is adapted to the recess 23 so that it projects into the recess 23.
- the extension 99 abuts the radially inner wall of the recess 23 and thus seals the receiving space 80 of the beverage can closure 12 from further.
- the seal 70 is thus not only in the flat area of the end wall 18 on the end wall 18, but follows the contour of the end wall 18 in the region of the recess 23, in particular along the trinkö réelles remedyen wall of the recess 23. In this way, the sealing surface between the Front wall 18 and the beverage can closure 12 further increases and improves the sealing effect.
- extension 99 may have a completely complementary shape to the recess 23 and thereby completely fill the recess 23.
- the extension 99 is provided in the second embodiment on the seal 70 in the areas of the transverse webs 44, 46 and in the areas of the connecting ribs 48 at the ends of the longitudinal webs 36. These areas are in the mounted state above the recess 23. In addition, these areas are not contiguous, so that the extension 99 is made of several parts.
- the side sealing surface 96 is provided on the seal 70 and / or the extension 99 extends from the seal 68.
- the seals 68, 70 in addition to their connection through the holes 64 also on the inside of the longitudinal and transverse webs 36, 44, ie the central opening 38 side facing integrally into each other. It is also conceivable that the seals 68, 70 merge into one another only on this inner side.
- a respective locking contour 58 is provided on the sections of the retaining ring 34 at which the ends of the longitudinal webs 36 remote from the film hinge 30 are connected to the retaining ring 34. In this way, the locking contours 58 are not arranged in the region of the drinking edge 59.
- the locking contours 58 are perpendicular to the plane E from the retaining ring 34 and have an undercut or notch 100 on.
- the lid 32 in turn has corresponding locking geometries 60 with outwardly projecting edges 102 which can engage in the indentations 100.
- edges 102 are resiliently formed relative to the remaining lid 32, for example, characterized in that elongated openings 104 are provided in the lid 32 on the inside of the edges 102.
- the individual features of the described embodiments can be combined with each other arbitrarily.
- the type of locking can be chosen independently of the shape of the seal.
- the extension 99 is independent of the other features.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015108403.1A DE102015108403B3 (de) | 2015-05-28 | 2015-05-28 | Getränkedosenverschluss sowie Doseneinheit aus Getränkedose und Verschluss |
PCT/EP2016/061638 WO2016188980A1 (de) | 2015-05-28 | 2016-05-24 | Getraenkedosenverschluss sowie doseneinheit aus getraenkedose und verschluss |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3344559A1 true EP3344559A1 (de) | 2018-07-11 |
EP3344559C0 EP3344559C0 (de) | 2024-04-03 |
EP3344559B1 EP3344559B1 (de) | 2024-04-03 |
Family
ID=55974974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16724888.9A Active EP3344559B1 (de) | 2015-05-28 | 2016-05-24 | Getraenkedosenverschluss sowie doseneinheit aus getraenkedose und verschluss |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3344559B1 (de) |
DE (1) | DE102015108403B3 (de) |
WO (1) | WO2016188980A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RS61973B1 (sr) * | 2018-12-17 | 2021-07-30 | Re Lid Eng Ag | Sistem za zatvaranje konzerve za piće |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5353942A (en) * | 1993-08-03 | 1994-10-11 | Oscar Dominguez | Device for covering a container opening |
DE20104649U1 (de) * | 2001-03-15 | 2001-06-13 | Italiaander, Gisela, 88239 Wangen | Öffenbarer und verschließbarer Aufsatz für Getränkedosen |
FR2875481B1 (fr) * | 2004-09-20 | 2009-01-30 | Jean Baptiste Pariat | Dispositif d'hygiene destine a equiper un recipient du type cannette et cannette equipee du dispositif |
-
2015
- 2015-05-28 DE DE102015108403.1A patent/DE102015108403B3/de active Active
-
2016
- 2016-05-24 EP EP16724888.9A patent/EP3344559B1/de active Active
- 2016-05-24 WO PCT/EP2016/061638 patent/WO2016188980A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2016188980A1 (de) | 2016-12-01 |
EP3344559C0 (de) | 2024-04-03 |
DE102015108403B3 (de) | 2016-06-09 |
EP3344559B1 (de) | 2024-04-03 |
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