EP2125354A1 - Procédé de fabrication d'un disque d'étanchéité et disque d'étanchéité - Google Patents

Procédé de fabrication d'un disque d'étanchéité et disque d'étanchéité

Info

Publication number
EP2125354A1
EP2125354A1 EP08735446A EP08735446A EP2125354A1 EP 2125354 A1 EP2125354 A1 EP 2125354A1 EP 08735446 A EP08735446 A EP 08735446A EP 08735446 A EP08735446 A EP 08735446A EP 2125354 A1 EP2125354 A1 EP 2125354A1
Authority
EP
European Patent Office
Prior art keywords
sealing disc
sealing
layer
layers
container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08735446A
Other languages
German (de)
English (en)
Inventor
Heinz-Rudolf Wiening
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfelder Kunststoffwerke Herm Meyer GmbH
Original Assignee
Alfelder Kunststoffwerke Herm Meyer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfelder Kunststoffwerke Herm Meyer GmbH filed Critical Alfelder Kunststoffwerke Herm Meyer GmbH
Publication of EP2125354A1 publication Critical patent/EP2125354A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/04—Discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/0018—Multiple-step processes for making flat articles ; Making flat articles the articles being pull-tap closure discs for bottles, jars or like containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/045—Discs
    • 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
    • B65D2251/0015—Upper closure of the 41-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
    • B65D2251/0093—Membrane
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041—Pull tabs
    • B65D2577/205—Pull tabs integral with the closure

Definitions

  • the invention relates to a method of making a gasket having at least one outwardly projecting gripping tab wherein lower layers of the gasket are releasably connected to upper layers of the gasket and the upper layers can form a new temporary closure of an opening of a container. It also relates to a sealing disc for a container closure for use with a container having a peripheral edge bounded opening, the sealing disc consisting of several layers, of which the lower layers seal the opening of the container before the first opening of the container, the lower layers solvable are connected to upper layers of the sealing disc, the upper layers can form a renewed temporary closure of the opening of the container and the sealing disc has at least one outwardly projecting gripping tab.
  • the container opening is then closed with a screw cap or a similar element, which ensures the mechanical and stable closure outside the film. Destroyed on first use the user the film to access the contents of the container. Thereafter, he closes the container again, if he has not taken the entire contents. This reclosing happens, in which the screw cap is now screwed without the now destroyed and removed foil again to a corresponding counter screw on the container mouth. If necessary, the screw cap may close the opened contents, possibly for a period not as long as the original closure configuration, but also for a period of time satisfying the consumer, which he himself can control from now on.
  • the film which closes off the container contents is applied by means of induction sealing, as known, for example, from EP 0 717 710 B1.
  • induction sealing as known, for example, from EP 0 717 710 B1.
  • a complete sealing disc is applied, whose bottom layer forms the sealing layer.
  • a metallic second layer which as a rule consists of aluminum, which serves for the heat coupling and transmission during the induction process and optionally forms an additional mechanical protection.
  • the second layer is firmly connected to the first and in particular to conduct heat transfer.
  • further layered components of the sealing disc are provided, which remain in the cap when opening the screw or other rotary closure.
  • a constant problem with such well-proven and reliable closures is the initial opening by the user or consumer. Destroying this located at the first opening on the mouth of the container film by a knife or the user's fingers is not possible on the one hand with each container contents or hygienic and leaves on the other hand on the edge of the opening of the container remains of the film, which may affect the subsequent pouring or pouring the container contents.
  • the user is provided with a handle for removing the film.
  • This handle may, for example, as proposed in EP 1 181 21 1 B1 or WO 00/66453 A1, be an upwardly projecting fold on which the user then grasps and pulls off the sealing disc.
  • the sealing washer is provided with one or more smaller support tabs which prevent the grip tab from protruding too far into the screw threads.
  • Older proposals from DE 1 482 575 A1 and US Pat. No. 4,722,447 propose sealing disks with a plurality of outwardly projecting gripping lugs intended to effect a more symmetrical distribution of the problem. All these proposals do not lead to a reduction of the overall problem, but only more or less cleverly distribute the problems caused by the grip tab problems when applying the screw cap.
  • sealing disks with grip tabs in which the thickness of the grip tab is smaller than the thickness of the further surface regions of the sealing disc. This is achieved in that only one or a few of the multiple layers of the sealing disk also form the gripping tab.
  • the object of the invention is to propose a method for producing a sealing disc with a grip tab, with which at least a reduction of the problems occurring when screwing on becomes possible.
  • a further object of the invention is to propose a sealing disk with a grip tab, with which at least a reduction of the problems occurring when screwing on becomes possible.
  • the first object is achieved in a generic method in that first a film web is prepared consisting of layers corresponding to the upper layers of the sealing disc that are punched through holes in the film web that these holes are punched at a distance from the Distance later still tozustanzender complete sealing discs corresponds to that punched out holes have a shape, a size and a relative position to the later expedigesanzenden complete sealing discs, which include at least the full range of a grip tab, but do not protrude into the area that is responsible for the tightness of the sealing disc on the opening of the container that after this punching process, a further film web is connected to the first film web over the entire surface, wherein the second film web consists of layers corresponding to the lower layers of the sealing disc, which seal the opening of the container before the first opening of the container, and that of the two film webs composite entire film web are punched out complete sealing disks, wherein the region of the grip tab in each case falls in the region of the total film web, in which only material from one of the two film webs is
  • the second object is achieved with a generic sealing disc in that only one, more or all of the lower, the opening of the container before the first opening of the container tightly closing layers form the outwardly projecting gripping tab.
  • a production of the sealing discs is advantageously carried out by first preparing a film web consisting of layers corresponding to the upper layers, which are not involved in the formation of the grip tab, that are punched through holes in the film web that these holes at a distance be punched, which corresponds to the distance later
  • complete sealing discs that the punched out Holes have a shape, a size and a relative position to the complete sealing disks to be punched out later, which comprise at least the complete area of a gripping tab but do not protrude into the area responsible for the sealing of the sealing disk on the opening of the container, that after this punching process, a further film web is connected to the first film web over the entire surface, wherein the second film web consists of layers corresponding to the lower layers of the sealing disc which seal the opening of the container before the first opening of the container, that from the two film webs composite entire film web are punched out complete sealing disks, wherein the region of the grip tab in each case falls in the region of the total film web, in which only material from
  • the shape of the punched-out can also be oriented to the contour of the trainees handle and these nach- or pre-draw; it only has to reach out beyond the later grip tab in every direction. These cut-outs are oriented in such a way that the distances, shape and size fit exactly to the sealing washers to be produced.
  • Film web in particular a polyethylene or polypropylene web or a
  • Web with a cardboard carrier material optionally of several layers represents the, from the layer thickness forth, main component of the sealing disc and has in this state, now just regularly spaced, circular punched on.
  • This film web is now joined together with another film web over its entire surface.
  • This second film web has in particular the aluminum layer and the sealing layer, which are to be destroyed later during the first opening and were previously used for induction sealing.
  • This second film web is not yet punched before this joining.
  • the sealing disks are now punched out so that the grip flanges, which project outwards, fall precisely into the small circular cut-outs of the first film web.
  • the resulting overall sealing discs are thus composed over their main component of time from layers of both film webs, while the grip tab consists only of the material of the second film web.
  • the total mass and total thickness of the handle tab significantly reduced overall.
  • the grip tab is so much thinner than the other components of the gasket. Compared to the traditional grip bottle, it takes much less volume and is also much lighter. This means that the gripping bottle according to the invention is much easier to accommodate in the screw cap than before, since less volume must be considered and the very thin, few layers having grip tab can also be kept more easily out of the range of threads. It should also be remembered that the lower number of layers makes it easier to bend the grip tab in relation to the entire sealing washer.
  • the functionality of the grip tab is completely unchanged.
  • the user is at the first opening exactly the available, which he could already use in conventional grip bottles, namely a grip tab that can be easily grasped and in the application of a tensile force to completely release the intended for the first opening and to be destroyed layers is possible.
  • the grip tab contains the lower layers in the identical, respective layer thickness, as in the main component of the sealing disc.
  • the lower layers have a layer which contains an adhesion promoter and which forms the separation layer to the upper layers, and if the layer with the adhesion promoter over the entire area covers the underlying layer also in the region of the grip tab.
  • the adhesion promoter can significantly increase the tensile strength of the layer suitable for induction sealing, in particular consisting of aluminum. This is especially relevant in the area of the grip bottle, which, as mentioned, is designed to be very thin in relation to the rest of the sealing disk.
  • the layer with the adhesion promoter has a polymer separation layer.
  • a polymer separation layer can be much more defined and thus more clearly define the resulting tear strength of the gasket, in particular in the area of the grip tab, as if this is done with wax or a similar material.
  • the layer with the adhesion promoter consists of a polyolefin, in particular of a polypropylene or of a low-density polyethylene (LDPE).
  • LDPE low-density polyethylene
  • the layer with the adhesion promoter is about 20 microns to 40 microns thick.
  • Such a layer has been found to be particularly effective and effective.
  • a further embodiment is provided in addition to the inventive design of the grip tab, in which adjacent to both sides of the grip tab on the circumference of the sealing disc two slightly inwardly projecting recesses are provided, which represent recesses in all layers of the sealing disc, and in which the recesses protrude only so far inward in the direction of the center of the sealing disc, that when the sealing disc is placed on the opening of the container, the tightness of the closure is not impaired.
  • the sealing disks according to the invention can in particular be constructed such that the upper layers have one or more layers of polypropylene and / or polyethylene and / or cardboard. Moreover, it is further desirable if the lower layers comprise a sealing layer adjacent to the peripheral edge of the container, a layer suitable for induction sealing, in particular metallic, in particular aluminum, and one or more adhesion-promoting and, when the closure is opened, the connection of lower layers having upper layers separating layers. With such constructed sealing discs, the functionality is particularly safe to ensure.
  • the sealing disc according to the invention with a gripping tab produces a tamper-indicating seal insert.
  • a peelable (peelable) induction sealing of untreated glass as well as plastic containers made of polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET) and polyvinyl chloride (PVC) is possible.
  • the sealing foil is equipped with a grip tab for easier opening of the sealed container. It is easily possible to equip the sealing film with customer-related logos or logos and print, so with a print that indicates the manufacturer of the contents of the container so sealed.
  • the preferably used form of lamination between the sealing film and the carrier material of the sealing disk can come into effect, in particular, if free rotation of the sealing disk is provided behind a holding bead in the container closure. It can then be ensured a correct separation between the sealing film and the carrier material of the sealing disc when opening the sealed container.
  • FIG. 1 shows a perspective view of a container with a container mouth with a sealing disk with a grip tab
  • Figure 2 is a view of a sealing disc with handle tab, seen from above;
  • Figure 3 is a schematic view of corresponding film webs in the inventive production of the sealing discs.
  • FIG. 4 shows a representation similar to FIG. 3 in a later method step.
  • the container mouth illustrated in FIG. 1 shows the region of an opening 11 of a container 10. It can be a bottle, a container for agrochemicals, a container to be closed in an aroma-tight manner, for example for instant coffee, or the like.
  • the opening 1 1 is surrounded by a peripheral edge 12.
  • the rim 12 is generally circular.
  • a sealing disk 20 consisting of several layers 21, 22, 23, 24 is located on this opening 11, which is closed off at the top and at the side by a screw cap main body 50.
  • the disk 20 begins first with a sealing layer 21.
  • This sealing layer 21 is followed by an induction layer 22, usually made of aluminum.
  • This induction layer 22 ensures that heat generated by induction in the layer 22 is transferred to the sealing layer 21 and this is thus firmly sealed on the edge 12 of the opening 1 1 of the container 10 during the production or packaging process of the container 10.
  • the layer 23 follows the induction layer 22.
  • the layer 23 has, for example, adhesion promoters and / or release layers, which connect the lower layers 21 and 22 with the further layers lying above the layer 23 or permit separation during an opening process.
  • a polymer separating layer is preferably used as adhesion promoter.
  • a polymer separation layer With a polymer separation layer a definite adhesion can be achieved, which can be calculated very well in advance. It should be noted that this layer must be temporarily adhesive, but in a rotary movement in the case of an opening operation, however, a separation of the underlying layers 21 and 22 must allow from the overlying and discussed below layers.
  • a layer 24 This layer is also referred to as a seal part.
  • the reseal part 24 or this layer 24 are located on an originally sealed container 10 directly on the layer 23rd
  • All layers 21, 22, 23, 24 of the sealing disc 20 are connected to each other, including the layers 21, 22, 23 with each other very firmly, as they should no longer be separated from each other and need.
  • the total thickness of the layers 21, 22 and 23 is very low in relation to the other container and also opening dimensions, usually in relation to the thickness of the layer 24 of the Reseal part.
  • FIG. 1 is in no way true to scale here.
  • the connection between the layers 23 and 24 dissolves. This can be done in various ways. It is expedient to keep the upper layer 24 freely rotatable in the closure, ie the screw cap 50, but to hold it there approximately by projections or cams, so that upon rotation of the screw cap 50, the layers 24 are pulled vertically upwards and thus from the Layers 21 to 23 are separated.
  • the sealing disc 20 is shown separately again. It can be seen from above on the sealing disc, so that the largest part of the area to be seen is occupied by the top of the layer 24. This surface is approximately circular, so that it fits exactly on the opening 11 of the container 10, thus covering the edge 12.
  • the grip tab 30 projects beyond this circular area. It does not have the layer 24 on its upper side, but here the observer looks at the layer 23 or at the induction layer 22, in any case at the uppermost layer of the lower layer package. Also visible are two slight recesses left and right on the circumference next to the handle tab 30, the recesses 36 and 37 represent. These with shaped, toward the center of the sealing disc 20 projecting recesses are used in a possible embodiment to avoid unintentional tearing of the sealing disc 20 in the grip tab 30 and a possible defined behavior of the entire sealing disc 20, for example, when peeling from the container edge 12 support.
  • transitional shapes are selected from the circular area towards the grip tab 30 instead of the two slight indentations. So it has proven in tests, here left and right next to the handle tab 30 in a curved line without indentation in the shape of the handle latch. This curved line has a small radius.
  • this annular bearing surface 33 is within the range (as viewed from the center of the sealing disc 20) occupied by the elements of the grip tab 30 and the adjacent recesses 36, 37.
  • FIG. 3 schematically shows two film webs 40 and 42. It can be seen that the first film web 40 is almost full-surface and circular punched while the second sheet 42 is supplied without punching.
  • the film web 40 is, for example, a polyethylene layer or a web of a cardboard carrier material. This is an approximately 0.8 mm to 3 mm thick, for example 1, 6 mm thick, opaque, usually white layer from which later the material of the Reseal Mrs 24 will be.
  • the film web 42 consists of the material from which later the layers 21, 22 and 23 of the finished sealing disc 20 are. Among others, it is the
  • Induction layer 22 made of aluminum, the main component.
  • This second film 42 is substantially thinner and only about 20 microns to 80 microns thick. It can be seen from this, how large the advantage according to the invention is. Since now the grip tab 30 will only consist of material of the thickness of the film 42, instead of material of the thickness of the combined films 40 and 42, over 95% of the volume will continue to fall.
  • the aluminum induction layer 22 stabilizes the region of the grip tab 30 so well that the thickness of the second film 42 or of the layer 22 can even be reduced to 12 ⁇ m.
  • a further layer can be inserted, in particular a layer of polyethylene terephthalate (PET), which may for example have a thickness of 12 microns and also serves to reinforce.
  • PET polyethylene terephthalate
  • This preferably transparent layer may also cover the aluminum layer 22 upwards and additionally protect a print of a logo or lettering applied to the aluminum layer or induction layer 22 and at the same time be visible to let.
  • the printing can be provided especially on the area of the grip tab 30 or else on the entire area of the layer 22.
  • the layer 23 with the adhesion promoter has in particular a polymer separation layer.
  • Polymer separator layers are particularly suitable for providing a defined and predictable increase in tear strength of the aluminum layer 22. Due to the full-surface coverage of the polymer, in particular the grip tab is reinforced in its tensile strength and can thus withstand the additional loads that can occur in an optional kinking in the windings of the screw thread.
  • polystyrene resin As a polymer, in particular a polyolefin has been found suitable in experiments.
  • polypropylenes or LDPE ie low density polyethylenes, have been found to be suitable materials for increasing the tear resistance of the aluminum layer 22 through the adhesion promoter layer 23.
  • the bonding agent now has a double task. On the one hand it causes the temporary connection of the lower layers 21, 22, 23 with the upper portion of the layer 24 of the Recealteils the sealing disc 20, on the other hand, the same adhesive layer 23 leads to an improvement in tear strength especially in the area of the handle tab 30 and in the area in that the grip tab 30 is connected to the circular main component of the sealing disc 20.
  • FIG. 4 shows a further situation after the foils 40 and 42 are connected to one another. Now the sealing discs are punched out of the foil.
  • the sealing discs are punched so that the main component of the generally circular sealing disc 20 in a full-surface, non-perforated region of the film combination of the films 40 and 42, so that a full-surface and undisturbed Gasket 20 with the superimposed layers 21, 22, 23 and 24 also comes about.
  • the grip tab 30 thus contains only the layers of the film 42, ie the layers 21, 22 and 23 with the induction layer 22.
  • the grip tab 30 thus has approximately only a thickness of about one tenth of the main component of the entire sealing disc 20th
  • the sealing disc 20, namely the grip tab 30, is thereby improved in its tensile strength. Tests have shown that the provision of adhesion promoter on the aluminum layer 22 in this area can just specifically improve the tear resistance.
  • the prescribed orientation and arrangement of the sealing disks on the film web of the films 40 and 42 can be practically implemented, since all sealing disk punched holes and all holes can be made at the same distances and the same orientation relative to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un disque d'étanchéité (20) et un disque d'étanchéité (20) avec au moins une languette de prise (30) saillante vers l'extérieur. Les couches inférieures (21, 22, 23) du disque d'étanchéité (20) sont assemblées de manière détachable à des couches supérieures (24) du disque d'étanchéité (20). Les couches supérieures (24) peuvent former une fermeture provisoire renouvelée d'une ouverture (11) d'un récipient (10).
EP08735446A 2007-03-21 2008-03-20 Procédé de fabrication d'un disque d'étanchéité et disque d'étanchéité Withdrawn EP2125354A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007014084A DE102007014084B3 (de) 2007-03-21 2007-03-21 Verfahren zur Herstellung einer Dichtscheibe mit nach außen vorspringender Grifflasche
PCT/EP2008/053379 WO2008113855A1 (fr) 2007-03-21 2008-03-20 Procédé de fabrication d'un disque d'étanchéité et disque d'étanchéité

Publications (1)

Publication Number Publication Date
EP2125354A1 true EP2125354A1 (fr) 2009-12-02

Family

ID=39466056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08735446A Withdrawn EP2125354A1 (fr) 2007-03-21 2008-03-20 Procédé de fabrication d'un disque d'étanchéité et disque d'étanchéité

Country Status (3)

Country Link
EP (1) EP2125354A1 (fr)
DE (1) DE102007014084B3 (fr)
WO (1) WO2008113855A1 (fr)

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DE102009016312B3 (de) * 2009-04-06 2010-07-15 Alfelder Kunststoffwerke Herm. Meyer Gmbh Dichtscheibe mit Lasche
DE102011106768B4 (de) 2011-05-12 2018-10-04 Alfelder Kunststoffwerke Herm. Meyer Gmbh Dichtscheibe mit Lasche
DE202011050481U1 (de) * 2011-06-17 2012-09-20 Alfelder Kunststoffwerke Herm. Meyer Gmbh Verschlusssiegel
DE102012006934B3 (de) 2012-04-05 2013-07-18 Alfelder Kunststoffwerke Herm. Meyer Gmbh Dichtscheibe zur Induktionsversiegelung eines Behälters
US11414253B2 (en) 2012-07-11 2022-08-16 Mark Gayer Multi-portion removable cover apparatus and related methods
DE102013015581B3 (de) * 2013-09-20 2014-10-02 Alfelder Kunststoffwerke Herm. Meyer Gmbh Dichtscheibe zur lnduktionsversiegelung eines Behälters
KR102653019B1 (ko) 2016-10-28 2024-03-29 셀리그 실링 프로덕츠, 아이엔씨. 단일 알루미늄 조작 방지 탭 시일 부재
US11866242B2 (en) 2016-10-31 2024-01-09 Selig Sealing Products, Inc. Tabbed inner seal
US11708198B2 (en) 2018-07-09 2023-07-25 Selig Sealing Products, Inc. Grip enhancements for tabbed seal
US11254481B2 (en) 2018-09-11 2022-02-22 Selig Sealing Products, Inc. Enhancements for tabbed seal
CN115003607A (zh) * 2019-11-29 2022-09-02 赛利格密封产品公司 无箔带舌片密封件

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