EP1858767A1 - Aufreissdeckel und verfahren zu dessen herstellung - Google Patents
Aufreissdeckel und verfahren zu dessen herstellungInfo
- Publication number
- EP1858767A1 EP1858767A1 EP06705386A EP06705386A EP1858767A1 EP 1858767 A1 EP1858767 A1 EP 1858767A1 EP 06705386 A EP06705386 A EP 06705386A EP 06705386 A EP06705386 A EP 06705386A EP 1858767 A1 EP1858767 A1 EP 1858767A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat
- sealable
- tear
- coating
- cover 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 78
- 239000011248 coating agent Substances 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000006223 plastic coating Substances 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 17
- 239000007858 starting material Substances 0.000 claims description 17
- -1 polypropylene Polymers 0.000 claims description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000011888 foil Substances 0.000 description 8
- 239000000969 carrier Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001360 synchronised 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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
- B65D17/501—Flexible tape or foil-like material
- B65D17/502—Flexible tape or foil-like material applied to the external part of the container wall only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/001—Action for opening container
- B65D2517/0013—Action for opening container pull-out tear panel, e.g. by means of a tear-tab
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/0058—Other details of container end panel
- B65D2517/0059—General cross-sectional shape of container end panel
- B65D2517/0061—U-shaped
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/0058—Other details of container end panel
- B65D2517/008—Materials of container end panel
- B65D2517/0082—Coated or laminated metal
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
- B65D2517/5002—Details of flexible tape or foil-like material
- B65D2517/5013—Details of flexible tape or foil-like material the tape covering almost the whole of the container end panel
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
- B65D2517/5002—Details of flexible tape or foil-like material
- B65D2517/5024—Material
- B65D2517/5027—Single layer
- B65D2517/5029—Single layer and connected to container by local areas of adhesive
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
- B65D2517/5002—Details of flexible tape or foil-like material
- B65D2517/5024—Material
- B65D2517/5032—Laminated
- B65D2517/5035—Laminated and connected to container by local areas of adhesive
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
- B65D2517/504—Details of preformed openings
- B65D2517/5043—Details of preformed openings provided with a flange
- B65D2517/5051—Up-turned flange, i.e. extending away from container
- B65D2517/5054—Up-turned flange, i.e. extending away from container rolled or folded back, e.g. to avoid sharp edges
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
- B65D2517/5072—Details of hand grip, tear- or lift-tab
- B65D2517/5083—Details of hand grip, tear- or lift-tab with means facilitating initial lifting of tape, e.g. lift or pull-tabs
Definitions
- the invention relates to a tear-open lid having a cover ring with a removal opening covered by a tear-open film, wherein the cover ring and tear-off film are detachably connected to one another in a connection area by means of heat-sealable plastic coating along the edge of the removal opening. Furthermore, the invention relates to a container with a tear-open lid. Furthermore, the invention relates to a method for producing a tear-open lid, in which a tear-open foil is fastened by means of heat sealing by means of a heat-sealable material to a lid ring with removal opening.
- covers for can or box-type packaging as cover rings permanently fastened on top of the packaging, in particular of metal, which form a removal opening which, until the first use of the contents of the package, is interrupted by a heat-sealable seal on the cover ring. especially metal foil, is closed.
- Such covers can be referred to as a tear-open lid.
- An additional lid made of plastic arranged above the metal lid makes the packaging can be re-sealed during the period of use.
- the cover ring is known to be made from a fully coated starting material, wherein a hot-sealable polypropylene coating or polypropylene-containing coating is applied over the entire surface on the upper side of the starting material intended for heat-sealing the tearable film. This coating makes the work steps in the deformation of the cover ring with. From WO 01/07330 it is known to apply the heat-sealable, full-surface coating of the cover ring only after the deformation has been carried out.
- the invention is based on the object to improve a tear-open lid of the type mentioned.
- the heat-sealable layer is limited to the edge of the removal opening or only on the connection area and thus is essentially limited to the actual sealing area, in which the lid ring and the tear-open are connected, a significant amount of Heisssiegelmateri- can be saved as. Furthermore, it has been found that the heat sealable coating material is unfavorable in the deformation of the lid outside the seal area and is often injured, for example, during flanging. Outside the sealing area, however, a different coating of the lid can be provided, for example a coating of PET (polyethylene terephthalate), which is already known in the art as underside coating (ie the filling in the container facing coating).
- PET polyethylene terephthalate
- the PET coating in the connection area or on the edge of the removal opening lie below the heat-sealable coating or be recessed there.
- the heat-sealable coating is preferably a polypropylene layer or a polypropylene-containing layer, but it is also possible to use other heat-sealable materials.
- the invention is further based on the object to provide a method for producing tear-open.
- the heat-sealable coating is applied to the edge or in the connection region either on the already preformed or finished molded lid ring prior to application and sealing of the film or applied to the later forming the edge or connecting region region of the undeformed starting material.
- the heat-sealable coating is applied in the case of a preformed cover ring in a targeted manner also via the special edge flanging (so-called "retort curl") of the removal opening.
- the heat-sealable coating can be applied to the metallically bright lid ring or the metallically bare starting material (which may be a metal-coated metal), or the heat-sealable coating can be applied to an already non-metallic coated lid ring or non-metallic coated starting material. be deposited material, wherein the non-metallic coating is not heat sealable and eg a PET coating is.
- Figure 1 is a schematic side view of an apparatus for conveying and producing lids; Figures 2 to 8 sectors of metal lids for explaining the production thereof;
- FIG. 9 shows a further preferred embodiment of a conveying device
- FIG. 10 shows the coating of starting material for the cover ring or the tear-open foil with heat-sealable material
- FIG. 11 shows the coating of a cover ring with heat-sealable material
- FIG. 12 shows the coating of another embodiment of the cover ring with heat-sealable material
- FIG. 13 shows a coated cover ring before the application of the tear-off film
- FIG. 14 shows a tear-open film coated in the marginal area with heat-sealable material
- Figure 15 is a sectional view of an embodiment of the tear-open lid.
- FIG. 1 shows a schematic side view of a known device 1, which has a plurality of processing stations 3 to 8 and a further station 9 on a machine frame 2.
- a conveyor 10, 13, 14 conveys the cover parts or the finished cover with tear-off foil in the conveying direction, which is indicated by the arrow C, from the beginning of the device at the stack 11 to the end of the device, where the lid on slides in the shelves 16 or 17 pass. From the stack 11 lid parts are stacked in a known manner and get into the conveyor.
- the latter has two long rails 10, each of which is arranged individually on the side of the cover parts or cover, which cover parts or covers lying on shelves 10 'or in stations 3 to 9 when lifting the rods 10 by means of the drive 14 in direction A. lift it upwards and then move it forwards by a forward movement in the direction of the arrow B (rectified like the arrow C) by the crank drive 13. Thereafter, the rods are moved in the direction of arrow A downwards with the lid parts or lids are in turn stored on their filing points. The rods 10 are then moved below the storage positions in the direction of arrow B against the arrow C to the rear then perform the process described again.
- the cover parts or covers rest between their transport on their storage positions or are located in the processing stations and are processed there.
- FIG. 2 shows stacked metal lid blanks 20 as an example of lid parts as they are present in the stack 11.
- These blanks 20 are for example round metal discs of eg 11 cm diameter. Of course, other basic forms, such. B. ⁇ square or rectangular discs and other diameters readily possible.
- the blanks 20 are already preformed in a processing machine, not shown, at its edge as shown in Figure 2. According to one embodiment of the present invention, they may already be suitably heat-sealably coated in only one area or, according to another embodiment, they are only coated in one area in a subsequent step. Both will be explained in more detail later. In the figure 2 and the following figures, only one sector of the entire disc is shown in each case to simplify the drawings.
- an opening (removal opening of the lid) is punched into the disc by punching with top and bottom tool, which can be seen in Figure 3, in which the edge of the opening is designated 21 and the punched round Disc with 27.
- This disc arrives as waste into the container 12 of FIG. 1.
- the stamping processing station 3 is driven by a drive 15, as is also the case with the other stations.
- the edge 21 is pulled downwards, as a result of which the course 22 of the edge shown in FIG. 3 is achieved.
- the metal foil 25 can also be provided on its underside with a heat-sealable plastic layer over its entire surface.
- the required film blank 25 is usually punched in the station 5 from a wide film web and placed over the central recess of the cover ring and the film is pressed by the heat sealing station at the edge of the round recess of the part 20 under heat, so that the film 25 with the metal cover ring 20 'is tightly connected by melting and subsequent cooling of the plastic layer.
- This process is basically known and will not be explained here.
- a cooling processing station 7 may be provided for cooling. In the
- the film 25 is provided with an embossment 24 ( Figure 7), and it is further the edge 22 crimped to the finished edge 23.
- a test which is usually a density test for on the
- Cover applied release liner 25 includes. If the foil is fastened tightly to the rest of the metal lid, the lid reaches into the receptacle 16 for the finished lid. If a leak is detected, the lid passes over the other slide shown in the waste container 17.
- Figure 13 shows an embodiment of a
- Cover ring for a tear-open lid may be shaped to be similar or identical to the cover rings or tear-open covers illustrated in FIGS. 2 to 8.
- the cover ring is now completely visible and also the removal opening 25 ', which is subsequently covered by the tear-open film 25 by being sealed onto the cover ring.
- the heat-sealable coating is now provided only at the edge of the removal opening and in particular only in the actual connection region between cover ring and tear-open film, which is shown in FIG. 13 by a strip 62 of heat-sealable plastic material.
- Corresponding heat sealable coating materials are known in the art and are used for sealing the Tear-off film used commercially.
- One of them different plastic coating which thus forms the sole plastic coating of the top of the lid ring outside the edge of the removal opening or the connection area, for example, may be a coating of PET (polyethylene terephthalate).
- PET polyethylene terephthalate
- Such a non-heat-sealable layering can, of course, additionally also be located in the edge or connection region, but then lies below the heat-sealable coating 62.
- the underside of the cover ring which is not visible in FIG. 13, can also be provided with such a coating that is different from the heat-sealable coating and in particular also be provided with a PET coating.
- the starting material 60 is a metal sheet, which may be provided with a metallic coating, for example.
- a plastic coating of a not intended for heat sealing plastic material which is, for example, the mentioned PET coating.
- This coating can be provided on both sides of the starting material 60 or the metal sheet 60, so in particular completely on the upper side visible in the figure and / or also over the entire surface on the underside which is not visible in the figure.
- the heat-sealable plastic coating in particular polypropylene coating, is then applied to the starting material 60 in such a way that it lies at the edge of the removal opening 25 'or in the connection region in the case blank 20 or lid ring 20' formed from the starting material 60.
- this in turn is represented by the band-shaped plastic layer 62, which can be sprayed on, for example, by means of movable nozzles 61, or which can also be applied as a finished band.
- the cover blank 20 is then shaped and then the cover ring 20 'and the finished cover according to FIGS. 2 to 8.
- the fastening of the tear-open film 25 by heat sealing is then carried out in the manner known in principle.
- FIGS. 11 and 12 show other embodiments for applying the heat-sealable coating or for forming the cover ring.
- the heat-sealable coating 62 is applied to the already preformed cover ring 20 ', in which the removal opening is already formed and the edge of the removal opening has been flanged.
- this is a simple flanging 66
- a special flanging has been selected, which is known under the term "retort-curl”.
- this flanging 67 the cut edge formed by the formation of the removal opening, in which any sheet metal coating is no longer intact, is crimped upwards and inwards, as can be seen from FIG.
- the heat-sealable coating 62 is applied to the edge 68 of the removal opening, for example by a corresponding nozzle 63, which is stationarily arranged above the rotating cover ring, or which drivingly moves along the edge of the stationary cover ring.
- the coating 62 covers the flanging region, so that the cut edge is likewise enclosed by the coating.
- the coating can cover substantially the entire edge 68 of the removal opening, as shown with the coating 62 of FIG. 12, or the coating can also be made less wide, so that it essentially covers only the connection area over which the tear-off foil is attached.
- an additional non heissgueelfä- on the lid ring be provided, for example, a PET coating, which covers the lid ring at the not covered by the heat-sealable coating 62 points, which may also be under the heat-sealable coating 62, however.
- the heat-sealable coating 62 does not extend over the entire upper side of the cover ring, as has hitherto been the case in the prior art.
- the underside of the respective cover ring can also be provided with a non-heat-sealable coating, preferably again a PET coating.
- the shaped outer edge 64 for fastening the finished lid to a container in a manner known per se can accordingly be embodied in various known ways and will not be explained in any more detail here.
- FIG. 15 shows the embodiment of FIG. 12 with the tear-off film 25 already fastened.
- the same reference symbols designate the same elements again, in particular the heat-sealable coating 62, which extends over the retort curl 67.
- the heat-sealable coating 62 at the edge of the removal opening can also extend over the actual connection region which is defined by the cover-like region of tear-open film and edge 68, which is indicated by the part 62 'of the heat-sealable coating is slightly projecting over the connection area and is located on the edge 68 outside the connection area.
- the surface 70 of the cover with the cover ring 20 'can be provided with a coating, in particular a PET coating, which can also extend below the heat-sealable coating 62 on the edge 68.
- the bottom 69 may be provided with such or another plastic coating, which are preferably already provided on the flat starting material.
- the heat-sealable coating 62 can be applied as a finished tape, instead of being applied by means of the nozzles 63.
- FIG. 14 further shows an embodiment in which a heat-sealable coating in the form of a marginal egg on the tear-open film 25 on the underside - Tigen coating 65, in particular the band-shaped coating 65 is applied.
- This coating can be provided instead of or in addition to the heat-sealable coating 62 of the cover ring and results in the finished compound according to Figure 15 for substantially the same result, in which the heat sealable coating 62 only on the edge 68 or in the connection area between cover ring and Tear-open film is located.
- the width of the coating 65 of the tear-open film can be selected so that a retort curl 67 is covered. It is also possible for both coatings 62 to be provided on the cover ring and 65 on the tear-open film.
- the application of the coating 65 to the underside of the tear-open film can take place according to FIG. 10, in which case the starting material 60 is just the material of the tear-open film which is subsequently punched out of the starting material 60, including the tear-open tab 71.
- FIG. 9 shows a perspective view of a conveying device 30 according to a preferred embodiment.
- This conveying device 30 is designed to convey ceiling-shaped objects of the kind described.
- the conveyor device in turn serves for cyclically conveying the lid parts or covers to the individual processing stations, which are preferably the previously described processing stations for lid production and the sketchStation 9. These stations are not shown in Figure 9, but it is clear to the skilled person, like this can arrange along the conveyor to perform the respective processing.
- a further conveying device 30 ' is arranged next to the conveying device 30. This can be driven by the same drive 33, 37 or have its own drive. Further conveying devices could be provided in order to increase the total number of conveyed lid parts or lids.
- the cover parts or covers can be conveyed at high speeds of, for example, 200 objects per minute and with reproducible sub-steps between the stations. It also results in a flexible concept for a large format range of the items or lid, which can range from 50 to 200 mm in diameter with round lids and can also accommodate various rectangular formats, eg for the common fish cans.
- the conveyor is also designed as a compact module for single-track or multi-track as shown.
- the conveying device has two toothed belts 31 and 32, which in particular lie with their surfaces in the same planes, that is coplanar, and which are guided at the beginning and at the end of the conveyor via pulleys 34, 36, so that an endless belt drive in the necessary for the number of processing stations length.
- the stepwise, synchronized with the processing stations timing belt movement is effected by a stepping motor or servomotor, which drives the toothed belt by sprockets, as can be seen in the figure with the motor 33 and the drive axle 38. If further conveying devices, such as the conveying device 30 ', are provided, their toothed belts can be driven by the same motor via further drive axes or have their own motor drive.
- the motor 33 is controlled by a control 37 for making the stepwise advancing movement of the toothed belts, which controller 37 controls either an entire control of the lid manufacturing process.
- Device is that controls the processing stations and the station 9, or which control 37 is a control only for the conveyor, which communicates with a parent control for the lid manufacturing device.
- the motor 33 and the other drive components for the toothed belts are arranged on a machine frame 35, which is indicated in the figure only by the feet 35.
- On the toothed belt drivers are fixed, which are generally designated 40 in Figure 9, wherein the opposing drivers of the toothed belts 31 and 32 form a receptacle for the respective object.
- this receptacle formed by the drivers 40 is moved along the conveying path and in the direction of the illustrated arrow C from the input side of the conveying device, which is located on the motor side, to the outlet side at the deflection roller 36.
- a cover 50 is provided in each case above the toothed belt and over the drivers 40, which cover in each case the toothed belt and a part of the driver. In the field of processing stations, this cover 50 each has a recess 52 which allows removal of the objects from the drivers 40 so that the object can be lifted from the carriers and processed in the station and subsequently returned to the driver.
- the drivers may also be magnetically configured, which may also prevent lifting of the articles during the conveying step when the article is at least partially made of a magnetically-durable material.
- the distance of the toothed belt 31 and 32 is adjustable to one another, whereby the Distance of the opposing driver 40 of the two toothed belt is adjustable in order to adapt the conveyor to different article sizes can.
- transverse connections 58 can be provided in the conveying device, which allow a simple adjustment of the spacing of the toothed belt from one another.
- the drive shaft 38 is configured to allow this distance adjustment.
- the distances between the drivers 40 on the respective toothed belt are given by the pitch of the toothed belt and the Mitauerbefest Trent. This distance can be changed to adapt to the object size preferably in such a way that the toothed belts are exchanged for a set of other toothed belts with carriers 40 fixed at a different distance from each other.
- the toothed belt can be adjusted to one another by adjusting the distance and, by exchanging the toothed belt with differently spaced drivers, the desired large receiving area for objects can be created. In this way, a conversion to different object sizes for all drivers can be done simultaneously in a simple and rapid manner.
- the described manufacturing steps for the tear-open lids and the corresponding conveyors and workstations are only to be understood as preferred examples and serve as an aid to understanding the invention. This can, of course, also be carried out in the case of tear-off decals which have been produced deviating from the production explained.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Closing Of Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH4532005 | 2005-03-17 | ||
| PCT/CH2006/000146 WO2006097005A1 (de) | 2005-03-17 | 2006-03-13 | Aufreissdeckel und verfahren zu dessen herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1858767A1 true EP1858767A1 (de) | 2007-11-28 |
| EP1858767B1 EP1858767B1 (de) | 2018-05-02 |
Family
ID=36297215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06705386.8A Expired - Lifetime EP1858767B1 (de) | 2005-03-17 | 2006-03-13 | Aufreissdeckel und verfahren zu dessen herstellung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080223856A1 (de) |
| EP (1) | EP1858767B1 (de) |
| ES (1) | ES2670943T3 (de) |
| PT (1) | PT1858767T (de) |
| WO (1) | WO2006097005A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2184237B1 (de) * | 2008-11-10 | 2013-02-27 | Crown Packaging Technology, Inc | Behälterverschluss und Verfahren für dessen Herstellung |
| TWI570024B (zh) * | 2009-05-13 | 2017-02-11 | 四國化工機股份有限公司 | Method for manufacturing food - filled sealed containers |
| CH701925A1 (de) * | 2010-07-06 | 2011-03-15 | Soudronic Ag | Aufreissdeckel sowie Vorrichtung und Verfahren zu seiner Herstellung sowie Behälter mit einem solchen. |
| WO2012143322A1 (en) * | 2011-04-20 | 2012-10-26 | Crown Packaging Technology, Inc. | Method for forming a metal closure |
| CH709571A1 (de) * | 2014-04-29 | 2015-10-30 | Soudronic Ag | Verfahren und Vorrichtung zur Herstellung von Aufreissdeckeln sowie ein Aufreissdeckel. |
| BR202014021077U2 (pt) * | 2014-07-18 | 2016-04-26 | Edilberto Acacio Da Silva | disposição construtiva introduzida em embalagem |
| CH716413A1 (de) * | 2019-07-18 | 2021-01-29 | Soudronic Ag | Verfahren und Vorrichtung zur Herstellung von Aufreissdeckeln sowie Aufreissdeckel. |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2199528A (en) * | 1936-09-16 | 1940-05-07 | Crown Can Company | Method of making container closures |
| US4213324A (en) * | 1978-07-21 | 1980-07-22 | Usm Corporation | Punch press and method for making can ends with closures |
| US4546873A (en) * | 1981-05-15 | 1985-10-15 | The Broken Hill Proprietary Company Limited | Article retention system for transfer equipment |
| CH654542A5 (de) * | 1982-04-05 | 1986-02-28 | Sandherr Packungen Ag | Verschlussdeckel fuer sterilisierbare dosen. |
| GB2237259B (en) * | 1989-07-10 | 1993-12-08 | Metal Box Plc | Container closure |
| DE29609130U1 (de) * | 1996-05-21 | 1997-09-18 | Rasselstein Hoesch GmbH, 56564 Neuwied | Leicht zu öffnender Dosendeckel |
| DE10022553C1 (de) * | 2000-05-10 | 2001-07-05 | Rasselstein Hoesch Gmbh | Verfahren zum Herstellen eines Ringteils aus Blech für einen Dosendeckel |
| US7055713B2 (en) * | 2002-11-12 | 2006-06-06 | Sonoco Development, Inc. | Easy-opening closure for retortable container |
| CH705057B1 (de) * | 2003-05-13 | 2012-12-14 | Soudronic Ag | Bearbeitungseinrichtung und Verwendung derselben zur Herstellung von Deckeln mit Aufreissfolie. |
| DE10338445B4 (de) * | 2003-08-19 | 2007-02-08 | IMPRESS Metal Packaging S.A., Crosmières | Deckelring mit geneigtem Flachsteg |
-
2006
- 2006-03-13 EP EP06705386.8A patent/EP1858767B1/de not_active Expired - Lifetime
- 2006-03-13 WO PCT/CH2006/000146 patent/WO2006097005A1/de not_active Ceased
- 2006-03-13 PT PT67053868T patent/PT1858767T/pt unknown
- 2006-03-13 ES ES06705386.8T patent/ES2670943T3/es not_active Expired - Lifetime
- 2006-03-13 US US11/908,817 patent/US20080223856A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006097005A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006097005A1 (de) | 2006-09-21 |
| ES2670943T3 (es) | 2018-06-04 |
| US20080223856A1 (en) | 2008-09-18 |
| EP1858767B1 (de) | 2018-05-02 |
| PT1858767T (pt) | 2018-07-12 |
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