EP2396233A1 - Cover for opening and closing cans - Google Patents
Cover for opening and closing cansInfo
- Publication number
- EP2396233A1 EP2396233A1 EP10711827A EP10711827A EP2396233A1 EP 2396233 A1 EP2396233 A1 EP 2396233A1 EP 10711827 A EP10711827 A EP 10711827A EP 10711827 A EP10711827 A EP 10711827A EP 2396233 A1 EP2396233 A1 EP 2396233A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid
- lid part
- seal
- opening
- cover
- 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
- 239000004033 plastic Substances 0.000 claims abstract description 60
- 235000013361 beverage Nutrition 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 239000005060 rubber Substances 0.000 abstract description 3
- 239000003566 sealing material Substances 0.000 abstract 1
- 239000002966 varnish Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 230000035622 drinking Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000005028 tinplate Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
- B65D47/26—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts
- B65D47/261—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement
- B65D47/265—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement between planar parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
-
- 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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
- B65D47/26—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts
-
- 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
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape
- B65D7/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape of curved cross-section, e.g. cans of circular or elliptical cross-section
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
Definitions
- the invention relates to a lid for opening and closing cans, in particular beverage cans.
- Can lids with drinking opening systems are well known in the prior art.
- Today's beverage cans usually have a stay-on tab in which a marked by a scribe line oval portion of the lid is pressed with a riveted metal tab in the form of a ring inside the can.
- This drinking opening system has the disadvantage that, once it has been opened, it can not be closed again.
- the aim of the present invention is to further improve known hydration opening systems.
- the main objective of the present invention is to consider as much as possible all current production standards and criteria. In particular, a high cost efficiency followed by a pronounced product demarcation is aimed for. The fewer changes to the current standards are needed, the greater the savings potential. Therefore it is expedient to make all changes in one place of the production line (either in production or in production)
- BEST ⁇ TIGUNGSKOPSE Filling station The better approach is provided by the production step, as it is less frequent and better able to implement changes due to existing technical resources.
- the object of improving existing drinking opening systems solves a lid for opening and closing cans, in particular beverage cans, wherein it has an upper circular lid part and a lower lid part and by moving the lid parts relative to each other at least one through opening Both cover parts can be achieved, which is closed by movement of the cover parts relative to each other again. So it is possible not only to open the opened can, but also to close it again safely.
- the lower lid part may have at least one opening. This can already exist or only be created by the movement of the lid parts relative to one another. Thus, for example, an opening for the outflow of the liquid and another for ventilation may be provided.
- the opening and closing movement of the lid parts relative to each other can be generated by rotatably supporting the upper lid part on the lower lid part.
- a lateral shift is also conceivable.
- the invention uses folding mechanisms for can lids known from the prior art.
- One possibility for bending such a joint is described in WO 01/897 37 A1.
- a security fold can be bent in several steps.
- Other possibilities for bending such a joint can also be used.
- Another method is described, for example, in US Utility Model Application 09 / 578,044. Again, it describes how a can lid can be bent in several steps to a safety fold.
- Other methods known to those skilled in the art can be used to bend the fold.
- the standard folding technology used for the loop or ring can also be used to shape the bends of the upper lid part. These bends also serve to reinforce the lid to compensate for the lack of material on the sides and also as a mechanism for opening the closure.
- the folded structure of the upper lid part also has the following advantages with respect to overflowed liquid: the folded shape makes it easy to reach the surface of the lower lid part and to easily clean it from overflowed liquid at the filling station. Also, a liquid condensation after pasteurization can dry well.
- the lower lid part has an elevation which cooperates with a corresponding configuration of the upper lid part.
- This can have any shapes, for example in the form of a cylinder or a pyramid.
- the upper lid part can either have a corresponding elevation or a recess corresponding in shape.
- the elements can also act as a spacer between the lid parts.
- the upper lid part can be made of aluminum. However, the use of tinplate or plastic is also conceivable.
- Tinplate is a particularly suitable material due to its price and the general application advantages in the market. In this case, the smallest standard used material thickness of 0.16 mm would be sufficient. Due to the smaller radius of the upper lid part, this is inherently stiffer, which makes an even thinner diameter of 0.12 mm possible in tinplate.
- the upper lid part may have a recess.
- the recess can serve as an opening in the upper lid part.
- the upper cover part may have at least one circular segment-shaped recess. Also two circular segment-shaped recesses are conceivable. These can be arranged opposite each other.
- the inside edge of the opening can be angled. This applies both to an opening in the lower lid part and to an opening in the upper lid part. By bending a seal can be made when meshing the upper and lower lid part.
- a seal can also be arranged between the cover parts.
- a seal is understood to mean any means that is suitable for connecting the two cover parts.
- a coating as a seal is conceivable.
- rubber, plastic or suitable liquid agents such as adhesives and welding are possible.
- the seal can be designed so that it fits positively into the opening in the lower cover part. Finally, it can also be positively connected to the upper lid part.
- the seal has to withstand numerous loads such as vibrations during transport, pressure changes, changes in the contact area due to thermal expansion due to temperature changes.
- the production of a sealing ring is therefore very expensive, both in development and in production. Since this can lead to a significantly slower production and therefore can make it significantly more expensive, to strive to achieve the seal by other means ..
- Another aspect of the invention provides that the upper and lower cover parts are made of a hybrid composite material with a plastic layer.
- the plastic layer of the lower cover part comes to lie on that of the upper cover part, between the two cover parts.
- hybrid composite layer consisting, for example, half plastic and half tinplate or aluminum, it is possible to combine the advantages of different materials in different areas, so that they are reflected positively in the general performance characteristics.
- the two plastic sides have direct contact.
- the conical opening in the lower cover part forms a good sealing surface contact with the conical projection of the upper cover part.
- This contact area is later connected by heat or high frequency welding. The welding is focused on the environment of this area and applied only for a short moment after the installation of the second cover.
- This welded part is later broken by the user by pushing the hood-shaped structure on the upper lid part inwards, thus destroying the welded seal, so that the upper lid part can be rotated. This can also be achieved by a momentary pressure loss, which levels the two lid surfaces and allows easy turning of the upper lid part.
- the seal would be designed as part of the upper lid part.
- a projection on the upper lid part then has the identical negative shape of the upper part of the opening of the lower lid part.
- This curvature on the upper cover part connects in a fixed space with the hole on the lower cover part, with which it is welded later, wherein on the inside of a tear line is pressed.
- the plastic version without seal is opened in the same way as the version with seal.
- a further aspect of the invention relates to a method for producing a lid according to the invention, wherein the upper lid and the lower lid are manufactured separately and are connected together in a subsequent step.
- a final aspect of the invention relates to a method for connecting a lid according to the invention to a can base, wherein the prefabricated lid is connected to the can in a subsequent step.
- the filling part of the process line is not changed, thus maintaining the current filling speed.
- FIG. 1 shows a three-dimensional representation of the lid made of aluminum
- FIG. 2 shows a three-dimensional representation of the cover made of plastic
- FIG. 4 shows a section through the lower cover part with the fastening joint being marked
- FIG. 6 shows a section through a lower cover part, marking the opening area
- FIG. 7 shows a section through a lower cover part, marking the cut edge at the opening
- FIG. 9 shows the hook of an upper cover part made of aluminum
- FIG. 10 shows the hook of an upper cover part made of plastic
- FIG. 11 set elongation points of an upper cover part of an aluminum cover
- FIG. 12 set expansion points of an upper cover part of a plastic cover
- FIG. 13 shows the middle region of an aluminum cover
- FIG. 14 shows the middle region of a plastic lid
- FIG. 15 shows a section through an aluminum cover, with the marking of the opening area
- FIG. 16 shows a section through a plastic lid, with the marking of the opening area
- FIG. 17 is a three-dimensional representation of a lower cover part
- FIG. 18 shows a three-dimensional representation of the lid with an upper lid part made of plastic in the unopened state
- FIG. 19 shows a three-dimensional representation of the lid with an upper lid part made of plastic in the unsealed but closed state
- FIG. 20 shows a three-dimensional representation of the lid with an upper lid part made of plastic in the opened state
- FIG. 21 shows a three-dimensional representation of a deck with a top lid part made of plastic in an opened state for recycling
- FIG. 22 shows a three-dimensional representation of an upper cover part made of aluminum
- FIG. 23 shows a three-dimensional representation of a can with an "ad-on" design feature with a two-part upper plastic can lid
- FIG. 24 shows a three-dimensional representation of the outer edge part of the plastic can lid
- FIG. 25 shows a three-dimensional representation of the inner cover part of the plastic can lid
- FIG. 26 shows a three-dimensional representation of a small seal
- FIG. 27 shows a three-dimensional representation of a large seal
- FIG. 28 shows a three-dimensional representation of the lower can lid part with opened seals
- FIG. 29 shows a section through a lower cover part made of aluminum with a seal
- FIG. 30 a section through a lower cover part made of aluminum with a seal
- Figure 31 shows possible embodiments of the junction between the top
- FIG. 32 shows a representation of possible embodiments of the sealing mechanism between the upper cover part and the lower cover part at the drinking opening
- FIG. 33 a representation of possible embodiments of the guidance of the upper cover part to the lower cover part
- Figure 34 representations of the different closure variants in each case in the open and closed position.
- the lid 1 made of aluminum in FIG. 1 consists of a lower lid part 2 and an upper lid part 3.
- Figure 2 shows a lid 21, partially constructed of plastic, with a lower lid part 22 made of aluminum and an upper lid part 23 made of plastic.
- FIG. 3 shows a section through the cover 1 made of aluminum from FIG. 1 with the lower cover part 2 and the upper cover part 3.
- the upper cover part 3 engages in a fixing joint 4 in the lower cover part 2.
- the opening 5 is present closed by a seal 6. This can be broken by pressure on the increase 7.
- the upper lid part 3 is rotatably mounted on the elevation 8 in the lower lid part 2.
- the elevation 8, which points upwards, allows a better adjustment of the lid. It could be further used as an organizing aid for the lower lid 2 when it needs to be aligned.
- the opening area to the opening 5 is marked.
- An angled wing 9 located there allows a larger sealing surface in a smaller space, in which he uses the vertical length. This design allows for possible pressure loss due to thermal expansion differences of the material, for example when using aluminum and plastic to minimize.
- An angled surface also provides more sealing surface and serves as an inner ring to increase the sealing effect.
- the cut edge 10 is marked on the opening 5.
- a flattened cut at this cutting edge 10 allows the seal to be held in place by providing resistance when the seal is pressed. This prevents the seal from slipping down.
- the flattened section 10 also allows an exact size adjustment, which is necessary for the good fit of the seal.
- FIG. 8 shows a cross section through a can lid 21 with a lower lid part 22 made of aluminum and an upper lid part 23 made of plastic.
- the upper lid part 23 engages in a fastening joint 24.
- a seal 26 is arranged in the drinking opening 25 in the drinking opening 25 in the drinking opening 25 in the drinking opening 25 in the drinking opening 25, a seal 26 is arranged. Again, a storage is achieved by the increase 28 in the lower lid part. An opening of the seal takes place here, however, by pushing in the T-shaped latching part 27.
- the upper lid part 23 can be easily removed after use, when the T-shaped latch member 27 is cut off the mounting tab 29 and then pushed out of the guide 30 becomes. It is then possible to compress the upper lid part 23 and thereby unhook it and thereby remove it.
- the upper lid part with a double hook to strengthen the attachment of the second cover part.
- a second mounting groove could be attached to the top of the lower lid part for this second hook.
- a triple spring in the upper cover part is conceivable to further strengthen the attachment of the second cover part.
- the upper lid part 3 or 23 in FIG. 11 made of aluminum and in FIG. 12 made of plastic can have cuts 12 or lower-material areas 32 at certain points in order to remove excessive stiffness which can prevent the upper lid part 3 or 32 successfully matches the lower lid.
- the cuts 12 or the poorer-material regions 32 can be arranged such that the relaxation acts only in one direction, in order to prevent the upper lid part 3, 23 from becoming unhooked.
- the upper lid part 3 or 23 of aluminum (Figure 13) or plastic ( Figure 14) has in the marked center region 13 and 33 has a rounded part, the upper lid part 3, 23 allowed, slightly above the increase 8 (see Figure 5) to slip.
- the upper lid part 3 shown in Figure 15 is the aluminum version. This is provided at the elevation 7 with cuts 14. These cuts 14 form a tong shape which later engages in a grooved flap on the gasket. As a result, this would be connected during assembly of the lid in the production of the upper lid part 3. To later through the To open the user, the hood 7 is pushed inwards, resulting in opening of the seal along a designated tear line.
- FIG 16 shows a variant of the lid 23 made of plastic. It is equipped with a mechanism similar to that on which it engages with the gasket except for the projection made by the gasket of the metal version. This allows the lid to be placed directly on the seal when mounted in the production line.
- the upper plastic lid 23 is mounted with the open latch 27 (shown here closed), which makes it possible to bend the lid, thereby simplifying assembly in the production line. If the latch 27 is engaged by the end user as illustrated herein to open the can, the lid will snap up during latching so that the seal is weakened to rupture. Should it not rupture, then this is in any case by turning the upper cover part 23 to accomplish.
- the lower lid part 2 shown in Figure 17 can be used both for the aluminum version of the lid 1 and for the plastic version of the lid 21 (see Figures 1 and 2).
- This has the attachment joint 4 (or 24), the drinking opening 5 and two elevations 8 and 8 "for storage of the upper lid part.
- an upper cover part 23 made of plastic is placed on the lower cover part 22, so that together they form the cover 21. If the cover 21 is to be opened, the latching part 27 is pressed into the guide 30, so that the seal ruptures. Now, the upper lid part 23 can be rotated on the lower lid part 22, wherein the opening 25, as shown in Figure 20, is exposed. After use of the can, as shown in Figure 21, the latching member 27 are removed after severing the tab 29 and so the upper lid portion 23 are completely detached from the lower lid portion 22.
- the upper lid part 3 made of aluminum shown in Figure 22 can be placed on the lower lid part 2 shown in Figure 17. Also, this can then be rotated on the lower lid part 3 after breaking the seal.
- the wings 15 and 15 ' provide a gripping surface.
- FIG. 23 shows a complete can 40, which is provided with a can body 41 with a two-part upper plastic lid 42.
- An outer plastic ring 43 (see also Fig. 24 for a depiction of deia) is secured to the upper nozzle edge 44 (see Fig. 28), an inner lid portion 45 (see Figs a detail also figure 25), which covers the upper can lid from above, can then be pressed down in the plastic ring 43 about the can edge 44.
- the inner plastic part 45 snaps into the outer lid edge on its inner side. 47 (see Figures 26 and 27) in the cover part 45 and are permanently connected to it .Also, the seals are simultaneously pierced by a sharp edge around the opening of the cover 48.
- the seals 46, 47 with a predetermined breaking point Now, you can use the can 40. If it is rotated by 90 °, it opens, it is turned back, closes This design of the lid allows riveting and a clear visual indication once the lid has been opened.
- the upper lid part can be designed in one piece.
- the upper lid part would be locked in the filling station in the seal and fixed there until it is torn open by turning. This also serves as a "tamper proofing mechanism.
- This version can be used with both materials, plastic and aluminum.
- the functional point is located directly above the point to be opened, where the functional position of the cover, which is located above the seal, is located Part separated from the lid This part is small compared to the proportions of the opening
- the mold is pushed inwards to break the seal, the seal snaps into the part and the part snaps into a lower recess in the lid.
- a further embodiment has a curvature over the opening, wherein the material is so thin that the curvature can be pressed in with the thumb.
- the seal is connected to insertion openings in the curvature.
- the indentation of the vault opens the seal and also serves as a "tamper proof".
- This construction variant can also be used with both materials, plastic and aluminum.
- the lower lid part 2 shown in FIG. 29 and FIG. 30 each has a seal here in different variants ⁇ and ⁇ '.
- the can lid 51 in FIG. 31a consists of a lower lid part 52 and an upper lid part 53.
- the lower lid part 52 corresponds to a standard can lid.
- This has a fastening joint 54 into which a hook 55 of the upper cover part 53 engages.
- the hook 55 of the upper lid member 53 is folded to increase the stability. Also, the rotation of the hook 55 in the joint 54 is improved.
- Figure 31b the same lid 51 is shown again in three-dimensional representation.
- the can lid 61 in FIG. 31c again consists of a lower lid part 62 corresponding to the normal can lid and an upper lid part 63. However, this time a second hook 65 is provided next to the first hook 64 on the upper lid part 63 in order to better fit the upper lid part 63 to fix.
- the bend on the outer edge 66 allows more flexible movement in this area. This may be helpful since this area is stiffer because of the proximity to other structures on top lid portion 63.
- the upper lid part 73 next to the hook 74 has a lateral indentation 75, which is in contact with the mounting joint 76 of the lower lid part 72, so as to laterally slip the upper lid part 73 to prevent.
- the upper lid portion 73 has a groove 77 which provides another fastening point of attachment. This cooperates with a further groove 78 on the lower cover part 72.
- the grooves 77 and 78 serve as a guide rail for attachment and for lifting the upper lid part 73, if they are not mounted continuously to the full extent.
- the lower lid part 82 has an inwardly directed fastening joint 83, which itself acts like a hook.
- the edge of the upper lid portion 84 is flat and has a rolled edge 85 to allow smooth rotation. Further, it has a V-shaped opening 86 which acts as a spring. If the V-shaped opening 86 is pressed together with the index finger and the thumb, the radius of the upper cover part 84 is reduced, thus enabling a slight rotation. With the smaller radius of the upper lid portion 84, this migrates along the mounting joint 83 upwards.
- the lower cover part of the can lid 91 has as fastening joint 94 an inwardly directed beading edge 93 with a groove 95 which serves as a guide for the upper lid part 96.
- the groove 97 on the upper lid portion 96 increases the rigidity and establishes a constant distance between the lid portions to prevent locking during rotation of the upper lid portion 96.
- the lower lid part 102 has a grooved shape 103, on which two inner plastic lid parts 104 have the functional elements and snap into the lower lid part 102.
- the toothed shape 103 of the lower lid portion 102 prevents the lid from slipping on the connecting surface.
- the arrangement of the toothing so far below the upper cover part 105 allows mounting without prior alignment, since there is always only a small distance to the next locking position.
- the two inner lid parts are provided with a snap-in device 106, which can be designed differently depending on the shape and the needs. If this extends along the radius', this can also serve as a guide rail, which can vary in height to accomplish a lifting of the inner upper lid portion 104.
- the latch can serve as a security seal which is broken when the lid is rotated.
- the second upper lid part 107 merely serves to provide a better gripping surface when turning. However, it is not necessary for the functioning since all functional components are located on the two inner cover parts.
- the lower lid part 112 is closed by a plastic mold 113 that locks into the opening of the lower lid part 112.
- the seal 113 has a number of tabs 114 with teeth that engage in a hook 11 also with teeth on the inner lid portion 116.
- the inner upper lid member 116 is latched onto the upper lid 116 in the upper position.
- the inner upper lid part 116 is pressed down to a second low position and snaps into the recess 117 a.
- the seal engages in the inner upper cover part and is torn or cut by the cutting device 118.
- the conventional can body 121 has a flanged edge 122 on the closed side of the can.
- the second can lid 123 is attached prior to filling the can and a conventional simple lid 124 closes the can after filling.
- the lower can lid 132 has a lowered plane 133 on which the functional elements are located. This has the advantage that by placing the functional elements on a lowered plane, the stack height used in previous conventional systems can be maintained.
- the lower lid part 142 has an opening 143 whose edges 144 are folded inwards. These rounded edges 144 make a close contact with the cone 145 on the upper lid part, thereby achieving a seal. The seal is broken when the upper lid member 146 is rotated. Until opened by the user, the edge resting on the cone forms a complete seal.
- the lower lid part 152 has an opening 153 with the rim 154 folded upwards. This may be advantageous to prevent the liquid in the can from coming into contact with the open cut edge of the metal. Together with the tight fit of the cone 155 on the upper lid portion 156 is achieved until breaking a gas-tight seal.
- the lower cover part 162 has a fold 163 in order to increase the rigidity of this area and at the same time the sealing surface. Sealing may be achieved by using a residual plastic composite material which is bonded in the contact area by heat or high frequency welding.
- a double fold 173 on the lower lid part 172 forms, with a double cone 174 in the upper lid part 175, an expansion of the sealing surface (compare Figure 32d).
- a larger amount of rotation is ensured when rotating and lifting the upper lid portion 184 (see FIG. 32e).
- the lower cover part 192 has an opening 193 with a groove 194.
- a seal 195 can be arranged.
- Another bead 196 prevents slippage or slippage of the seal 195.
- the can lid 201 in FIG. 32e is separated from the lower can lid 202 and the upper can lid 203 by an elevation in the middle (not shown), the distance of the two lid parts 202 and 203 from each other outwards decreases with the radius , In addition, the pressure on the lid, when closed, also decreases with the radius starting from the center (i.e., the pressure in the center is higher than the sides).
- the asymmetrical shape of the cone 204 and the fold 205 here compensates.
- the lower lid part 212 remains covered with the original surface of the lid. It is partly truncated, but not complete, so that material stops to serve as a hinge for the broken material.
- the break can be either a tear line 213 or a cut 214 protected by a seal. The seal breaks once it has been opened.
- the lid 211 is opened by rotating the upper lid member 215 over the elevation 216, pushing the rounded edge 217 on the upper lid member up and over the elevation 216, pushing it downwardly and breaking the seal.
- the lower lid portion 222 has a series of perforations 223, 224 and 225, which is covered by a soft seal 226. Due to the small diameter of the openings, the pressure on the seal is sufficient reduced so that it holds without further attachment. In addition, the lid, which will close the can later, acts as an additional support for the seal.
- the can lid 221 is opened by some cones with punched holes 227, 228 and 229 (see Figure 32k). These have a cut edge that hits the exposed rubber seal. Once these cones 227, 228 and 229 are aligned with the openings 223, 224 and 225, they snap in and the cut takes place. Through the resulting openings then liquid can flow. The severed plastic sticks to the main seal 226 and is pushed aside only by the cones 227, 228 and 229. Due to the small size of the holes, this structure prevents insects from getting inside the can.
- FIGS. 32 and 32 show the use of a seal 234.
- FIG. 321 shows the seal in its original form before it is installed in the cover 231.
- the seal 234 is shaped to easily fit within the opening 235 in the lower lid portion 232 for later tight welding at that location to achieve sealing.
- the seal 234 has a predetermined breaking point 236, which will be postponed when the elevation 237 is pressed down on the upper cover part 233. This pressure is transferred via the projection 238 on the seal 234, whereby this is torn open.
- the upper cover part 233 has openings 239, in which tongue-shaped tabs 240 engage the seal.
- the can lid 241 in Figure 32 o again consists of a lower lid part 242 and an upper lid part 243.
- the seal 244 is integrated in the upper lid part.
- the upper lid part 243 which is made of plastic, is shown separately in FIG. 32n.
- This original shape of the seal allows the sealing part 245 to be easily adapted to the shape of the opening 246 in the lower cover part 242.
- the seal is later welded to the lower cover part 242 to allow a secure seal.
- the plastic gasket 253 is surrounded by a rib-shaped structure 254 which locks into a fixed position when pushed down.
- the lower part of the seal 255 breaks off.
- the upper part of the seal cooperates with the lower part of the seal to close the can again.
- a seal 264 is snapped into the opening of the lower cover part 262.
- the gasket has a tear line 265 and a rod shape 266.
- the upper plastic part 267 engages a rib-shaped structure 268 in the upper lid part 263. It continues to snap down to a position which allows the seal to be connected to the plastic part by the rod-shaped structure 265.
- the plastic part with its cutting edge 269 breaks through the seal 264.
- the conical cutting tip 269 simultaneously protects the cutting region of the seal 264 and the seal 264 with respect to the cover surface.
- FIG. 33a shows a three-dimensional representation of the lower cover part 272 and the upper cover part 273. These can be seen as a cover 271 in cross-section in FIG. 33b.
- the lower lid portion 272 has a single upwardly projecting ramp 274 located at the center of the lower lid portion 272. When the upper lid part 273 is rotated, the ramp 274 pushes against the corner 275 of the upper lid part 273 and lifts it upwards. A 180 ° rotation brings the lid parts 273 and 272 back to the starting position.
- the lower lid member 282 has at least one ramp 283 facing upward and attached to the outer periphery of the lid.
- the upper lid portion 284, however, has a ramp 285 facing down.
- the lower part 292 again has two ramps 293 and 294.
- This time configured differently is the upper part 295, which has openings 296 and 297 at the corresponding points of the ramps. If the upper lid part 295 is rotated so that the openings no longer come to rest over the ramps, the two lid parts are separated from each other.
- the embodiment variant 301 shown in FIGS. 33g and 33h has two ramps 303 and 304 in the lower cover part 302. These push against the open side 306 of the upper lid portion 305 when it is rotated, and lift the two lid parts apart.
- the lower cover part 312 has a three-sided elevation 313.
- the upper lid part 317 has a smaller opening 314, a larger opening 315 and a closed cap 316, and also an elevation 318. With the help of the three-sided elevations 313, 318 so each of these functional elements by turning the upper lid portion 317 with the opening 319 in the lower lid part 312 are brought into coincidence.
- a hard plastic seal 324 is used in the opening 325 of the lower lid part 322.
- the seal 324 has a tear line 328.
- the upper lid portion 323 has an elevation 329 which has tabbed holes 327 which cooperate with the tabs 330 with teeth as the elevation 329 is forced downwardly. As a result, the gasket is stretched so that it travels at the intended tear line 328. The torn seal remains connected to the top 323 and serves as a closure to reseal the can after opening.
- the upper lid portion 334 has a central part which cooperates with the elevation 333 in the lower lid portion 332.
- the elevation 336 jumps from convex to concave.
- the two fold Flaps 337 and 337 slightly outwardly and hold upper lid portion 334 upwardly, in this upper position, the can can only be closed, but not sealed, to seal the can, the two flaps 337 and 337 " original position, whereupon the upper lid portion 334 engages.
- the cone 347 of the upper cover part 343 has an asymmetrical shape with an elevation 344.
- the cone 347 is welded to the wall 345 by welding a plastic layer of a hybrid plastic and metal laminate material.
- the asymmetric elevation 344 is forced from concave to convex, the sealed seal opens and allows gas to escape.
- the upper lid part 343 and the lower lid part 342 are separated from each other so far that the turning of the upper lid part 343 becomes easier.
- a plastic seal 354 is attached to the lower lid part 352.
- This has a latching device 355, which will later cooperate with the upper cover part 353.
- the upper cover part 353 has a latching device 356, which is connected to a tab 357 with the upper cover part 353.
- the lower lid portion 362 has a greatly outwardly-curved opening 363. This secures the seal 364.
- the connection between the cone 365 of the upper lid part 366 and the seal 364 is interrupted when the protrusion 367 is pressed from the concave position in Figure 34f to the convex position 34g.
- the lower lid part 372 remains covered with the original surface of the lid.
- the area under the side wall has a tear line 373 or is partially cut 374, but not completely severed so that material stops to serve as a hinge for the broken material.
- the lid 371 is opened by the upper lid part 375 is rotated over the elevation 376, wherein the edge 377 is pushed on the upper lid part on and over the elevation 376.
- the inner ring 384 of the upper lid portion 383 exerts sufficient pressure on the seal 385 so that the can lid 381 shown in FIGS. 34j and 34k is tightly closed.
- the inner ring 384 protects the elastic seal from expanding at extreme pressures. Once the lid 381 is opened, the opened wall of the cones 385, 386, 387 pushes so tightly into the seal 385 that no liquid can get in between.
- the upper part 394 of the seal 395 when pressed into its final position, exerts a lateral pressure on the wall 396 of the opening edge and thus forms a seal.
- the top portion 394 of the gasket also cuts the actual gasket at the intended tear line 398.
- the broken portion 397 of the gasket integrates with the top portion 394.
- the lower lid portion 402 has an inwardly bent edge 403.
- the upper lid portion 403 in turn has an inverted cone 404 which is slightly larger than the inner edge of the opening 405. Due to the larger circumference, the upper lid part 403 snaps in and the can is tightly closed. By using a plastic-metal coating material, the contact of the two metal lid parts can be prevented.
- the can is opened by pushing down the elevation 406 from its concave ( Figure 34n) into a convex shape ( Figure 34 o).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009008395 | 2009-02-11 | ||
PCT/EP2010/000906 WO2010091885A1 (en) | 2009-02-11 | 2010-02-11 | Cover for opening and closing cans |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2396233A1 true EP2396233A1 (en) | 2011-12-21 |
EP2396233B1 EP2396233B1 (en) | 2013-08-28 |
EP2396233B9 EP2396233B9 (en) | 2014-04-23 |
Family
ID=42109875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10711827.5A Active EP2396233B9 (en) | 2009-02-11 | 2010-02-11 | Cover for opening and closing cans |
Country Status (3)
Country | Link |
---|---|
US (2) | US20120273490A1 (en) |
EP (1) | EP2396233B9 (en) |
WO (1) | WO2010091885A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT510271B1 (en) | 2010-10-15 | 2012-03-15 | Xolution Gmbh | METHOD FOR PRODUCING FILLED AND RECYCLABLE PRESSURE TANKS |
USD795693S1 (en) | 2012-08-10 | 2017-08-29 | Daniel A Zabeleta | Axially oriented peripheral sidewalled beverage container lid |
USD1033215S1 (en) | 2012-08-10 | 2024-07-02 | Daniel A. Zabaleta | Container lid comprising frustum shaped sidewall and seaming chuck receiving radius |
US8985371B2 (en) | 2012-08-10 | 2015-03-24 | Daniel A. Zabaleta | Resealable beverage containers and methods of making same |
USD1033216S1 (en) | 2012-08-10 | 2024-07-02 | Daniel A. Zabaleta | Container cap having frustum shaped sidewall segment enabling nesting |
US9637269B1 (en) | 2012-08-10 | 2017-05-02 | Daniel A. Zabaleta | Resealable container lid and accessories including methods of manufacturing and use |
US8844761B2 (en) | 2012-08-10 | 2014-09-30 | Daniel A. Zabaleta | Resealable beverage containers and methods of making same |
USD828753S1 (en) | 2012-08-10 | 2018-09-18 | Daniel A Zabaleta | Axially oriented peripheral sidewalled beverage container lid |
US10968010B1 (en) | 2012-08-10 | 2021-04-06 | Daniel A Zabaleta | Resealable container lid and accessories including methods of manufacture and use |
DE102013104226B4 (en) * | 2013-04-25 | 2015-09-10 | Jürgen Sooth | Resealable can end wall, end wall unit and box |
DE202013105078U1 (en) | 2013-11-11 | 2014-03-06 | Walter Bock | Container closure and beverage can with such |
US11685572B2 (en) * | 2019-05-31 | 2023-06-27 | Resolute Patents, Llc | Re-closeable cap for a can |
Family Cites Families (20)
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US2961133A (en) * | 1957-11-27 | 1960-11-22 | Robert W Ankney | Dispenser closures |
DE1966305U (en) | 1967-03-29 | 1967-08-17 | Jaco Praezision Dr Jaeniche | CLOSURE FOR SPREADER. |
DE1966305C3 (en) | 1969-08-01 | 1975-09-18 | Gruppo Lepetit S.P.A., Mailand (Italien) | 4-deoxyrifamycin SV derivatives and processes for their preparation |
JPS4876685A (en) * | 1971-11-23 | 1973-10-15 | ||
US4127212A (en) * | 1977-01-28 | 1978-11-28 | Waterbury Nelson J | Vendable reclosable beverage container |
DE3840251C2 (en) * | 1987-11-30 | 2000-10-12 | Nickolaus Englert | Beverage container closure |
US5205430A (en) * | 1992-07-02 | 1993-04-27 | Valyi Emery I | Plastic container closure |
US5692633A (en) * | 1996-01-02 | 1997-12-02 | Hullko Corporation | Beverage container lid |
US6158608A (en) * | 1996-09-18 | 2000-12-12 | Cetoni Umwelttechnologie Entwicklungsgesellschaft Mbh | Container, in particular a drinks can, and lid for such a container |
DE19643487A1 (en) | 1996-09-18 | 1998-03-19 | Cetoni Umwelttech Entw Gmbh | Container, as well as closure for such a container |
US6234336B1 (en) * | 1996-11-01 | 2001-05-22 | Metal Container Corporation | Stay-on-tab container closure having tear panel with no contour features on the upper surface |
AU722976B2 (en) * | 1997-02-17 | 2000-08-17 | Michael N. Cagan | Drinks can lid with closure cap |
DE69809567T2 (en) | 1997-02-17 | 2004-04-01 | N. Michael Cagan | LID COVER FOR BEVERAGE BOX WITH OUTER CAP |
DE20004152U1 (en) * | 2000-03-08 | 2001-07-19 | Ackermann, Bruno, 55268 Nieder-Olm | Can with screw cap |
US6428261B1 (en) | 2000-05-24 | 2002-08-06 | Crown Cork & Seal Technologies Corporation | Method of forming a safety can end |
FR2820407A1 (en) * | 2001-02-08 | 2002-08-09 | Voogd Crespy Nathalie Chris De | Cap for resealing can comprises disk with dispensing outlet which is fitted over ring pull rivet and rotated to seal can |
DE10291934D2 (en) * | 2001-05-05 | 2004-04-29 | Advanced Technology Ind Inc | Container lid and container |
US20040140237A1 (en) * | 2002-01-25 | 2004-07-22 | Brownewell Donald L. | Metal container and method for the manufacture thereof |
WO2005056400A1 (en) * | 2003-12-12 | 2005-06-23 | James Lee Gardiner | Reclosable cap for a beverage container |
JP2007030157A (en) * | 2005-06-20 | 2007-02-08 | Elpida Memory Inc | Polishing device and method |
-
2010
- 2010-02-11 WO PCT/EP2010/000906 patent/WO2010091885A1/en active Application Filing
- 2010-02-11 US US13/497,547 patent/US20120273490A1/en not_active Abandoned
- 2010-02-11 EP EP10711827.5A patent/EP2396233B9/en active Active
-
2015
- 2015-01-23 US US14/603,529 patent/US9586735B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2010091885A1 * |
Also Published As
Publication number | Publication date |
---|---|
US9586735B2 (en) | 2017-03-07 |
WO2010091885A1 (en) | 2010-08-19 |
EP2396233B9 (en) | 2014-04-23 |
US20120273490A1 (en) | 2012-11-01 |
US20150298874A1 (en) | 2015-10-22 |
EP2396233B1 (en) | 2013-08-28 |
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