EP0498760A1 - Emballage - Google Patents
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- Publication number
- EP0498760A1 EP0498760A1 EP92810042A EP92810042A EP0498760A1 EP 0498760 A1 EP0498760 A1 EP 0498760A1 EP 92810042 A EP92810042 A EP 92810042A EP 92810042 A EP92810042 A EP 92810042A EP 0498760 A1 EP0498760 A1 EP 0498760A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid
- compartment
- sealed
- packaging
- bottom part
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/34—Trays or like shallow containers
- B65D1/36—Trays or like shallow containers with moulded compartments or partitions
Definitions
- the present invention relates to a package containing a bottom part with one or more compartments and a peelable lid attached to the edge of the compartment or compartments, the lid being divided into lid segments, each lid segment covering a compartment and each lid segment sealed on the bottom part to the extent of the compartment and each cover segment can be peeled, peeled or peeled completely or partially according to the size of the compartment via the sealed seam.
- Packaging of this type is e.g. known as dinner bowls, and intended to hold food assortments.
- the individual compartments can be loaded with various filling goods, then closed with a lid and e.g. be sterilized.
- the lid is usually sealed on the flat surfaces provided for this purpose on the upper outer edge and any dividing webs that may be present. Thus, the entire contents are tightly sealed from the outside and the various contents in the various compartments are also sealed from one another.
- Packing units of this type if they have at least two chambers, are also known as multi-compartment trays.
- EP 0 386 416 describes an easy-to-open package with a sealed-on cover part and a lower part, a tear area being delimited in the cover part by a line of weakness.
- lines of weakness are located on the lid material within the sealed seams. The sealing seams remain intact during the opening process, the cover material tears along the weakening lines and releases the goods.
- This arrangement has the disadvantage that owing to the fact that cover material remains along the lower part edge flanges, unsightly dosage forms are created and a compartment can possibly only be emptied incompletely.
- lines of weakness tend not to tear and the tear line does not undesirably continue along the line of weakness, but rather in an uncontrolled manner across the cover material.
- a pack is known from DE-OS 26 45 922, the lower part of which consists of a PVC-PE film and the upper part of which is made of a cellophane-PE combination with a polyvinylidene chloride coating, the packaging being, for example, round and divided into two departments .
- the lid can only be opened with undue force, even if a pull tab is present. This is particularly the case when the materials and the connection between the base and lid have to withstand the sterilization conditions. Under certain circumstances, this also leads to a menu bowl slipping away from the consumer, which can have unforeseeable consequences. If the base part is thin, e.g. in the case of so-called unstable or semi-rigid packaging containers, the container can collapse when the lid is torn open or fold in the middle. The annoying consequences for the user are also foreseeable here.
- the object of the present invention is to propose a packaging which does not have the disadvantages mentioned and in particular enables sterilization treatment and later allows easy opening of a sealed lid.
- the top view of the packaging has a round or oval shape, that each lid segment contains a scribing aid, that the packaging can be sterilized and that the bottom part and the lid are polyolefin at least on the side facing the inside of the container - Or polyester layer.
- Such containers can contain, for example, a bottom part in the form of a bowl or cup.
- the base parts can be divided into compartments of any number and shape within the bowls or cup shape.
- the subdivision within the container can be done by molded or inserted webs.
- the webs can be made by deep drawing, casting, injection molding or folding in one step in the manufacture of the floor or by subsequently glued into the bottom part.
- the webs can be attached, for example, to form a triple container in a T or Y arrangement.
- Bottom parts with 2 to 12 compartments are preferred, containers with 2 to 4 compartments are particularly preferred and the containers generally have 2 or 3 compartments.
- the diameter or the maximum width and length is not critical per se and is normally 8-30 cm.
- the height of such floor parts depends on practical requirements and can be, for example, 1 to 20 cm. Bottom parts with an average diameter of 16-20 cm and 2-5 cm in height are preferred.
- the external dimensions are expediently also based on the circumstances, such as norms and standard sizes, for example in the case of food packaging, according to the device sizes which are used for further processing.
- the base parts and lids can, depending on their intended use, the desired strength and the selected type of deformation, be produced with the aid of various materials, such as, for example, from plastics, natural and artificial cellulosic materials, metal or from combinations, mixtures or laminates thereof.
- plastics can, for example, thermoplastic polymers on acetal, acrylic, amide, arylene sulfide, arylene sulfone, arylene carbonate, carbonate, cellulose, ester, imide, olefin, styrene and Vinyl halide base are called or represent suitable mixtures thereof.
- the bottom parts and lids have a polyolefin or polyester layer on the side facing the inside of the container.
- polyolefins such as polyethylene, such as high density polyethylene (HDPE, density greater than 0.944 g / cm3), medium density polyethylene (MDPE, density 0.926-0.940 g / cm3), linear medium density polyethylene (LMDPE, density 0.926 -0.940 g / cm3), low density polyethylene LDPE, density 0.910-0.925 g / cm3) and linear Low density polyethylene (LLDPE, density 0.916-0.925 g / cm3), polypropylene, poly-1-butene, poly-3-methylbutene, poly-4-methylpentene and copolymers or coextrudates thereof, such as for example of polyethylene with vinyl acetate, acrylic acid , Methacrylic acid, acrylic esters, tetrafluoroethylene or polypropylene, as well as statistical copolymers, block copolymers or olefin polymer-elastomer mixtures.
- HDPE and polypropylene are preferred.
- Polyesters are, for example, polyalkylene terephthalates or polyalkylene isophthalates with alkylene groups or radicals with 2 to 10 carbon atoms or alkylene groups with 2 to 10 C atoms which are interrupted at least by an -O-, such as e.g. Polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate (polytetramethylene terephthalate), polydecamethylene terephthalate, poly-1,4-cyclohexyldimethylol terephthalate or polyethylene-2,6-naphthalene-dicarboxylate or polyalkylene terephthalate and polyalkylene isophthalate, e.g. 1 to 10 mol%, mixed polymers and terpolymers, as well as block polymers and grafted modifications of the above-mentioned substances.
- -O- such as e.g. Polyethylene terephthalate, polypropylene tere
- thermoplastics based on esters are expediently polyalkylene terephthalates with alkylene groups or radicals having 2 to 10 carbon atoms and polylaylene terephthalates, with alkylene groups or radicals having 2 to 10 carbon atoms which are interrupted by one or two -0-.
- thermoplastics based on esters are polyalkylene terephthalates with alkylene groups or radicals having 2 to 4 carbon atoms, and polyethylene terephthalates are very particularly preferred.
- the base parts can be produced from these plastics by, for example, casting, injection molding, deep-drawing or folding and can consist, for example, of polyolefins or polyesters.
- the base parts and lids can also be made of plastic-containing materials, e.g. Films, laminates, laminates or film composites containing the plastics mentioned are produced.
- the films as such or as part of a laminate can be uniaxially or biaxially stretched.
- a barrier layer against gases and vapors can also be provided.
- Metallic layers are e.g. Foils made of metal, such as copper, tin, preferably aluminum or aluminum alloys and in particular foils thereof in thicknesses of e.g. 3 to 400 ⁇ m, expediently 4 to 200 ⁇ m, preferably 4 to 100 ⁇ m and in particular 8 to 20 ⁇ m.
- metal such as copper, tin, preferably aluminum or aluminum alloys and in particular foils thereof in thicknesses of e.g. 3 to 400 ⁇ m, expediently 4 to 200 ⁇ m, preferably 4 to 100 ⁇ m and in particular 8 to 20 ⁇ m.
- barrier layers such as ceramic layers, contain, for example, oxides from the series of silicon oxides, aluminum oxides, iron oxides, nickel oxides, chromium oxides or lead oxides or mixtures thereof.
- the silicon oxides or aluminum oxides are expedient as ceramic layers.
- the silicon oxides can have the formula SiO x , where x preferably represents a number from 1 to 2, particularly preferably from 1.1 to 1.9 and in particular from 1.2 to 1.7.
- the aluminum oxides can have the formula Al y O z , where y / z is, for example, a number from 0.2 to 1.5 and preferably from 0.65 to 0.85.
- the ceramic layer is, for example, a vacuum thin-film technique, expediently based on electron beam evaporation or resistance heating or inductive heating from crucibles, e.g. on a plastic layer. Electron beam evaporation is preferred.
- the described methods can be carried out reactively and / or with ion support.
- the ceramic layer can have a thickness of, for example, 5 to 500 nm.
- Plastic barrier layers can, for example, consist of or contain polymers that are particularly gas and water vapor tight. Behave particularly favorably e.g. Polyvinylidene chlorides, polyolefins, polyvinyl chlorides, acrylonitrile copolymers or biaxially stretched polyethylene terephthalate or ethylene-vinyl alcohol.
- the thickness of the individual plastic films in film composites or laminates can be, for example, 8 to 2000 ⁇ m, preferably 10 to 600 ⁇ m and in particular 12 to 25 ⁇ m.
- Foil composites or laminates can have the layer structures known per se, such as e.g. containing at least two plastic layers, at least one plastic layer and at least one metal layer or containing at least one cellulose-containing layer and / or plastic layers and / or metallic layers.
- the bottom parts can also be made with outer layers of metal, for example aluminum, aluminum alloys, tin, tinplate and the like.
- the bottom parts can be produced with aluminum foil, aluminum tape or aluminum thin tape by deepening or folding.
- the bottom parts can also be made with outer layers of cellulose-containing materials such as paper, cardboard, cardboard, paper-containing molding compounds, etc.
- At least one printed, counterprinted or colored layer of a material e.g. a plastic film may be provided.
- At least one of the layers can be insulating and made of closed-cell plastic foam, e.g. made of polystyrene or other materials such as Crepe paper or similar consist.
- sealable layers or sealing layers can be used.
- the side of the base parts and / or lid directed towards the inside of the container have polyolefin or polyester layers. These layers can be made of sealable material qualities.
- Sealing layers can also be arranged between the base part and the lid. Such sealing layers can be arranged in different ways.
- edge areas or on the edge flanges and the web areas for support and sealing Sealing layers can be attached to the lid or also on the entire inside of the base part.
- the lid can have a sealing layer or a layer of sealing wax on the surface of the lid material that lies on the inside of the container. If necessary, the cover material can also have a sealing layer or varnish on the outside.
- the sealing layer or sealing wax on the inside of the cover can extend over its entire surface or can be present or applied only partially, in the area of the sealing to be carried out. Accordingly, it is possible that only the bottom part, in particular on the side facing the lid or the lid, in particular on the side facing the bottom part, or both bottom part and lid each have a sealing layer and / or a sealing wax.
- the sealing layers are known per se and can, for example, contain or consist of LLDPE, LDPE, MDPE, HDPE, polypropylene, polyethyleneterephthalate and heat seal lacquers and can for example have a thickness in the range from 1 to 100 ⁇ m.
- plastic films or layers with one another metal foils or layers with one another, ceramic layers or plastic films or layers and metal foils or layers with one another and with one another can be connected to one another with laminating adhesives and / or adhesion promoters.
- Suitable adhesion promoters are, for example, vinyl chloride copolymers, vinyl chloride-vinyl acetate copolymers, polymerizable polyesters, vinylpyridine polymers, vinylpyridine polymers in combination with epoxy resins, butadiene-acrylonitrile-methacrylic acid copolymers, phenolic resins, rubber derivatives, acrylic resins, acrylic resins with phenol or epoxy resins or organosilicon compounds, such as organosilanes.
- organosilanes examples include alkyltrialkoxysilanes with an amino functional group, alkyltrialkoxysilanes with an ester functional group, alkyltrialkoxysilanes with an aliphatic functional group, alkyltrialkoxysilanes with a glycidoxy functional group, Alkyltrialkoxysilane with methacryloxy functional group, and mixtures thereof.
- organosilanes examples include ⁇ -aminopropylenetriethoxysilane and N- ⁇ - (aminoethyl- ⁇ -aminopropyltrimethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltrimthoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, and ⁇ -methacryloxiloxylimethane compounds known in the art.
- EAA ethylene acrylic acid
- modified polyolefins are preferred.
- modified polyolefins are acid-modified polyolefins and accordingly plastics, formed by graft modification of a polyolefin with ethylenically unsaturated carboxylic acids or their anhydrides.
- base polymers of the polyolefins e.g. Low density polyethylene, medium density polyethylene, high density polyethylene, linear low density polyethylene, homopolypropylene, ethylene-propylene copolymers, polybutene-1, polypentene-1, butene-1-propylene, copolymers and butene-1-propylene-ethylene terpolymers to be named. Homopolypropylene and ethylene-propylene copolymers are preferred.
- Examples of the ethylenically unsaturated carboxylic acids or their anhydrides are acrylic acid, methacrylic acid, maleic acid, fumaric acid, crotonic acid, itaconic acid, citraconic acid, 5-norbornene-2,3-dicarboxylic acid, maleic anhydride, citraconic anhydride, 5-norbornene-2,3-dicarboxylic acid anhydride Tetrahydrophthalic anhydride. Maleic anhydride is preferred.
- the preferred modified polypropylene is an adduct of maleic anhydride and an ethylene-propylene copolymer. Dispersions of modified polyolefins are very particularly preferred. An example of a modified polypropylene dispersion is Morprime (trademark of Morton Chemical Division of Norton Norwich Products, Inc.).
- adhesion promoters are adhesives such as nitrile rubber-phenolic resins, epoxies, acrylonitrile-butadiene rubber, urethane-modified acrylics, polyester-co-polyamides, hot-melt polyesters, polyisocyanates crosslinked with hot-melt polyesters, polyisobutylene-modified styrene-butadiene-acid-mixed polymers, urethane-urethanes, mixed polymers and ethylene vinyl acetate copolymers.
- adhesives such as nitrile rubber-phenolic resins, epoxies, acrylonitrile-butadiene rubber, urethane-modified acrylics, polyester-co-polyamides, hot-melt polyesters, polyisocyanates crosslinked with hot-melt polyesters, polyisobutylene-modified styrene-butadiene-acid-mixed polymers, urethane-urethanes,
- the laminating adhesives can be solvent-containing or solvent-free and also contain water.
- examples are solvent-based or aqueous acrylate adhesives or solvent-free polyurethane adhesives.
- Laminating adhesives based on polyurethane are preferred.
- the present packaging also contains a lid.
- the lid can contain the same materials or be constructed using materials as mentioned above.
- base parts and lids can be made of the same materials and in the same embodiment. In practice, it may also be expedient to provide, for example, a rigid or semi-rigid base part and a lid in an easily bendable, i.e. for example, as a film or made of film tape to use.
- An embodiment can also be selected in which both the base part and the lid are made from a film or composite film.
- Such pouch-like packages can be supported by a support device, e.g. made of paper or cardboard, which are given any necessary inherent stability.
- inventions may be constructed using a semi-rigid or rigid base and a semi-rigid or rigid lid.
- the lid can be made of different materials in different thicknesses.
- lids Rigid or soft, deformable and, in particular, windable materials are available.
- lids can e.g. contain or consist of all the thermoplastics or plastics mentioned and consist, for example, of polyolefins or polyesters or contain these plastics.
- these covers can contain the barrier layers described above.
- Other lids can be constructed from cardboard, paper or cardboard layers which are covered with at least one metallic layer and / or plastic layer.
- a sealing layer can be applied on one or both sides of the cardboard, paper or cardboard layer, in particular as top layers of the respective composite.
- Films, film composites and laminates or laminates are particularly suitable for machine processing. To ensure that these materials remain windable, such films, film composites and laminates are generally from 8 to 1000 ⁇ m thick. Examples of this are sealable foils made of e.g. containing or consisting of high density polyethylene (HDPE), medium density polyethylene (MDPE), polypropylene, or polyethylene terephthalate, e.g. in a thickness in the range of 8 to 100 microns, suitably 10 to 70 microns and preferably 30 to 50 microns.
- HDPE high density polyethylene
- MDPE medium density polyethylene
- polypropylene polypropylene
- polyethylene terephthalate e.g. in a thickness in the range of 8 to 100 microns, suitably 10 to 70 microns and preferably 30 to 50 microns.
- lid materials can be film composites, built up from the inside out, optionally from a sealing layer, as mentioned above, a polyolefin or polyester layer, a barrier layer, as mentioned above, and in particular a layer of a film made of aluminum or an aluminum alloy with a thickness of for example 3 to 50 microns, suitably 4 to 20 microns and particularly suitably from 8 to 12 microns, or from a film, for example from a polyethylene terephthalate film, an oriented polyamide or polypropylene film or polyethylene film, which has at least one side with a ceramic coating, preferably an SiO x layer, as described above, and optionally further plastic layers or plastic laminates.
- a sealing layer as mentioned above, a polyolefin or polyester layer, a barrier layer, as mentioned above, and in particular a layer of a film made of aluminum or an aluminum alloy with a thickness of for example 3 to 50 microns, suitably 4 to 20 microns and particularly suitably from 8 to 12 microns, or from
- the outermost layer can in turn be a sealable layer or a colored, printed or counter-printed layer.
- the composite laminates as mentioned in the present description, can be produced in a manner known per se, for example by coating, coextrusion coating, laminating, counter-laminating or hot calendering.
- floor parts which have the following structure from the outside in: a polypropylene layer, a barrier layer made of ethyl vinyl alcohol and a polypropylene sealing layer, the thickness of the composite being able to vary between 0.5 and 2 mm.
- the barrier layer in this composite can also consist of an aluminum foil, for example in a thickness of 20 to 10 ⁇ m, or a barrier layer made of SiO x , where x represents a value of 1.2 to 1.7, can be applied to the plastic layer of polypropylene be.
- the lid material can be, for example, a lid tape made of an outer layer of polyethylene terephthalate with a thickness of 12 to 30 ⁇ m, an aluminum foil with a thickness of 20 to 50 ⁇ m and an inner layer, which is also a peeling layer, made of polypropylene from 20 to 50 ⁇ m be formed.
- Another exemplary cover tape contains, as an outer layer, an aluminum foil with a thickness of 50 to 100 ⁇ m and a polypropylene layer on the inside, which is simultaneously a peeling layer (peel layer) with a thickness of 20 to 50 ⁇ m.
- the individual layers mentioned above can be connected to one another in a manner known per se, for example by means of lacquer laminators and, if appropriate, pre-lacquer to form the corresponding laminates or composites.
- Rondelles which correspond to the base part to be closed can be produced from the cover materials by punching or cutting, optionally stacked and brought continuously or individually onto the base part and sealed cold or hot, welded or glued on.
- the lid material can also be processed into continuous material, sheets or wraps, the lid material being sealed or welded or glued to the bottom part continuously or step by step and essentially the edge contours to close the bottom parts of the respective bottom part are separated.
- the lid can be attached to the respective base parts by various methods, for example by heat or cold sealing, welding or gluing, with hot sealing being preferred. Furthermore, the lids can be divided into the segments in various ways.
- a lid can be sealed onto the bottom part, the sealing seam being sealed on the bottom part to form lid segments, depending on the extent of each compartment, and a weakening or separation in the form of a tear or separating line of the lid material between the individual lid segments.
- a lid can be sealed on the bottom part, the sealing seam being sealed on the bottom part to form lid segments, depending on the size of each compartment, and weaknesses or separations in the form of tear between the individual lid segments that form in the lid material - or dividing lines are available.
- cover segments can be sealed on the base part, each cover segment covering a compartment and the cover segments being sealed to the base part by forming a sealing seam along the circumference of each cover segment.
- the covers can be provided with weaknesses or separations in the form of tear or separating lines by mechanical, physical or chemical processes before they are sealed onto the respective base part.
- the tear or dividing lines in the cover should expediently correspond to the separating webs provided in the base part in the center and possibly following the edge flange.
- the weakenings in the cover material can be achieved by partial or complete weakening along the intended tear or separation line or partial or complete separation through the thickness of a film. In a film composite or laminate, individual or all layers can be weakened and / or be separated. If separations or weakenings are made to the lid material before sealing, it can be helpful to provide a support or adhesive device on the lid material to maintain the shape.
- This device can be, for example, a film, a film composite or a dimensionally stable substrate.
- the lid material can also first be sealed from the surface onto the base part along the edge flanges and webs and after the sealing, by means of mechanical, physical or chemical methods, for example in the middle of the webs and optionally along the edge flange of the respective base part, weakenings or separations in the form of tears - or dividing lines are attached.
- the sealing seams can be, for example, 1 to 6 mm, suitably 2 to 5 mm and preferably 2.5 to 3.5 mm wide around the edges of each cover segment.
- the sealing seams on the webs are preferably so wide that, if the lid material is separated or weakened after sealing, the tool tolerances of the separating device are taken into account and each side of a two-part sealing seam has the widths specified above. Double seal seams can also be provided on the webs in particular.
- the weakenings or separations can be carried out mechanically, such as cutting, punching or scoring with knives, physically by heat treatment, laser beams, electron beams, spark erosion, dissolving or swelling by means of solvents or by chemical reaction, for example by etching.
- the dividing or tear lines must be at least as deep and wide, resp. Tear-resistant should be selected so that only the cover segment in question is pulled off at the latest when the respective cover segment is removed from the base part.
- Complete separation of the cover segments is particularly preferred from each other to avoid tearing the peeled or adjacent lid segment.
- packaging is preferred, the lid of which is divided into the individual lid segments by weakening or severing the lid material, and lids which are divided into the individual lid segments by completely severing the lid material are particularly preferred.
- a preferred packaging according to the present invention has, as a sealed lid, an embodiment in which the lid has a profiled or recessed lid segment for each compartment or profiled or recessed individual lids are provided for each compartment.
- the embodiment and the processing, in particular the connection to the base part, are analogously based on the above statements.
- marking aids can be designed such that from the outside, the inside or also e.g. alternately from the outside and inside of the sealing seam, serrated or curved recesses in part of the width of the sealing seam over a relatively small length, e.g. 1 to 5 cm, not to be sealed. This measure is achieved by appropriately designed sealing tools.
- the marking aids can be located in a corner or in the middle of the outer edge of a compartment, or the marking aids can also be located, for example, in the area between two or more lid segments. are also located in the area between two or more lid segments.
- Packaging according to the present invention is also expedient, the sealed lid containing a tear-off tongue on at least one lid segment, preferably in the area of a tearing aid.
- the arrangement of the tab in the area and perpendicular to the marking tip is preferred.
- the tear-off tongues can also be designed such that the bottom part has a counter tongue opposite the tear-off tongue of the cover segment. With tear-off tongue and counter tongue, easy handling when opening the container is achieved. Instead of tongues, tabs or ring tabs can also be attached.
- the sealing seams can be applied in a manner known per se.
- the sealing can be done by heat, high frequency radiation or ultrasound and by means of sealing tools. Typical sealing temperatures are from 100 to 300 ° C and expedient from 150 to 250 ° C.
- the pressure of the sealing tools can be, for example, from 10 to 400 kg / cm2 and expediently from 40 to 150 kg / cm2.
- the sealing times can be from 0.2 to 3 seconds and expediently from 0.4 to 2 seconds.
- the sealing seams applied under these conditions can easily be peeled off, peeled off or peeled to form a cohesive or adhesive break. It can also be provided that the cover segments cannot be completely peeled off or peeled off by applying the weakening lines or dividing lines and / or sealing seams of different strengths.
- lid segments of the individual compartments probably release the compartment and its contents, but stick to the bottom part with part of the sealed seam.
- this can reduce a waste problem, namely that the lid segments are thrown away individually, or the compartments can be reclosable.
- the edge flange (11) delimits the base part and the webs (12, 13) divide the base part into a triple shell.
- the corresponding cover is outlined in FIG.
- the hatched areas (14) represent the sealed seams. Examples are given as (1) to (10) positions at which tear-off tabs or tear-off tabs can be attached. The positions are exemplary and in practice only one tear-off tongue and tear-open tab, and possibly also a retaining tab, are usually provided for each cover segment.
- the tear-off tabs (1, 4 and 7) are the preferred places of attachment, since there are small peeling forces necessary due to the tight radii (24) of the sealing seams or tip points (21, 27). Positions (2, 5) and (8) represent usable but not optimal positions. Positions (6) and (9) also represent suitable positions for tear-off tabs or tear-open tabs. Positions (1), for example, are preferred for handling.
- Attaching a tear-off tongue or tear-open tab at position (10) is one way of dispensing with one or more marginal tear-open tongues or tear-open tabs. This can be valuable for practical or aesthetic reasons. It is also possible to choose the position (10) so large that the underlying web of the bottom part must be chosen to be sufficiently large that the tear-open tabs or tear-open tabs of each compartment can be provided at the position (10).
- Marking aids (25, 28) are also shown as examples in FIG.
- the marking aid (25) has serrated recesses arranged on one side in the width of the sealing seam, and recesses arranged on both sides in the width of the sealing seam in the case of the marking aid (28).
- the dividing or tear lines (15, 16) which divide the cover into the cover segments or open, it is advisable to run in the center of the bar seam or double seal seam.
- the present invention also relates to the use of packaging according to the invention for accommodating different fill goods in separate compartments and for separately removing the different fill goods.
- the packaging is suitable for holding all kinds of filling goods, but especially for holding food.
- the food can be filled raw or in a form ready for consumption.
- the packaging is sterilized, for example in the range of the standard sterilization conditions at 121 ° C - 130 ° C, 2.2 bar - 3.5 bar and for 30 seconds to 30 Minutes.
- the filled packaging can be stored at room temperature, refrigerated or frozen and warmed before use, e.g. be heated in a water bath or to boiling temperature.
- each lid segment can be used individually, e.g. according to the removal order.
- a bottom part, as shown in Figure 1, made of a polypropylene shell with 10 mm wide webs and 5 mm wide edge flange is filled with filling material and a lid made of polypropylene-aluminum composite at 220 ° C, 6 bar pressure, (40 kg / cm2) sealed for 0.75 sec.
- the sealed container is sterilized for 30 minutes at 121 ° C and 2.2 bar back pressure.
- the fracture pattern shows a uniform cohesive fracture.
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- Mechanical Engineering (AREA)
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- Packages (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH332/91A CH683175A5 (de) | 1991-02-04 | 1991-02-04 | Verpackung. |
CH332/91 | 1991-02-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0498760A1 true EP0498760A1 (fr) | 1992-08-12 |
EP0498760B1 EP0498760B1 (fr) | 1997-09-03 |
Family
ID=4184610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92810042A Expired - Lifetime EP0498760B1 (fr) | 1991-02-04 | 1992-01-23 | Emballage |
Country Status (6)
Country | Link |
---|---|
US (1) | US5353985A (fr) |
EP (1) | EP0498760B1 (fr) |
CA (1) | CA2060120A1 (fr) |
CH (1) | CH683175A5 (fr) |
DE (1) | DE59208835D1 (fr) |
ES (1) | ES2109328T3 (fr) |
Cited By (7)
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GB2271983A (en) * | 1992-11-03 | 1994-05-04 | Swiss Pack Limited | Containers |
FR2721491A1 (fr) * | 1994-06-28 | 1995-12-29 | Rescaset Sa | Assiette jetable pour plats cuisinés, à oreille de désoperculage. |
EP0721899A1 (fr) * | 1995-01-11 | 1996-07-17 | W.R. Grace & Co.-Conn. | Emballage avec couvercle en feuille rétractable |
EP0855343A1 (fr) * | 1997-01-24 | 1998-07-29 | L'oreal | Conditionnement pour produit liquide à semi liquide |
WO1998056686A1 (fr) * | 1997-06-10 | 1998-12-17 | Techy International S.A. | Emballage avec couvercle pelable ayant une zone d'ancrage et procede d'emballage |
AT500344A3 (de) * | 2004-01-29 | 2006-01-15 | Soremartec Sa | Behälter für lebensmittelprodukte |
EP2206658A1 (fr) * | 2009-01-13 | 2010-07-14 | Huhtamäki Oyj | Emballage |
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US5888599A (en) * | 1993-04-19 | 1999-03-30 | E. I. Du Pont De Nemours And Company | Multi-layer lidding film having improved heat seal properties and methods relating thereto |
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US5531347A (en) * | 1995-03-17 | 1996-07-02 | Goulding; Charles T. | Pastry supporting cup cover |
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US5637366A (en) * | 1995-06-07 | 1997-06-10 | Qpf, Inc. (Delaware Corporation) | Polyester-containing biaxially-oriented polypropylene films and method of making the same |
US6221191B1 (en) | 1996-06-07 | 2001-04-24 | Qpf, L.L.C. | Polyester-containing biaxially-oriented polypropylene films and method of making the same |
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US6555190B1 (en) * | 1997-11-06 | 2003-04-29 | Honeywell International Inc. | Films with UV blocking characteristics |
US6698650B2 (en) * | 1998-02-06 | 2004-03-02 | Easycarton Limited | Opening means for gable top container |
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US6899249B2 (en) * | 2001-10-26 | 2005-05-31 | Fresh Advantage, Inc. | Tray for storing and transporting products |
US7124883B1 (en) | 2001-12-13 | 2006-10-24 | Timothy Frederick Thomas | Dual-lid cigarette container and method of packaging cigarettes |
WO2003106277A1 (fr) * | 2002-06-12 | 2003-12-24 | Sonoco Development, Inc. | Joint de serti metallise pour contenant en une couche |
US6769227B2 (en) | 2002-07-23 | 2004-08-03 | Cryovac, Inc. | Package including a lidstock laminate |
US7083818B2 (en) * | 2002-08-16 | 2006-08-01 | Apio, Inc. | Party tray |
DE10258585A1 (de) * | 2002-12-16 | 2004-07-08 | Henkel Kgaa | Portioniertes Wasch-oder Reinigungsmittel |
ITMI20020582U1 (it) * | 2002-12-16 | 2004-06-17 | Ferri Franco | Struttura di contenitore realizzato in un corpo unico a comparti multi pli particolarmente per alimenti da consumare direttamente |
US20040118852A1 (en) * | 2002-12-19 | 2004-06-24 | Cryovac, Inc. | Film fracture feature for peelable multilayer package lid |
US20040118904A1 (en) * | 2002-12-19 | 2004-06-24 | Sonoco Development, Inc. | Composite container having a hermetically sealed polymeric sleeve |
US8915395B2 (en) * | 2003-09-23 | 2014-12-23 | Gerry Gersovitz | Multi-compartment container |
US20110284550A1 (en) | 2010-05-18 | 2011-11-24 | Gerry Gersovitz | Multi-Compartment Containers |
US11225357B2 (en) | 2003-09-23 | 2022-01-18 | Gerry Gersovitz | Multi-compartment container |
FR2867758B1 (fr) * | 2004-03-17 | 2007-05-04 | Carrefour Sa | Emballage longue conservation et procede pour obtenir un tel emballage |
US20060269174A1 (en) * | 2005-05-27 | 2006-11-30 | Huffer Scott W | Easy open pouch with energy activation |
US20070048414A1 (en) * | 2005-08-23 | 2007-03-01 | Glydon James A | Package for marketing visibly distinct variations of an edible product |
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FR2904299B1 (fr) * | 2006-07-27 | 2008-09-19 | Bongrain Sa | Emballage notamment pour produit alimentaire comportant un opercule souple surmonte d'un couvercle. |
ITMI20062220A1 (it) * | 2006-11-20 | 2008-05-21 | Consorzio Latterie Virgilio So | Contenitore per alimenti |
DE102007024510B3 (de) * | 2007-05-24 | 2008-09-11 | Jenoptik Automatisierungstechnik Gmbh | Verfahren und Vorrichtung zur Herstellung einer Sollbruchlinie in ein Fahrzeuginnenverkleidungsteil |
DE102007038458A1 (de) * | 2007-08-14 | 2009-02-19 | Tesa Ag | Verbundelement |
US10407214B2 (en) | 2010-05-18 | 2019-09-10 | Gerry Gersovitz | Multi-compartment containers |
EP2889230A1 (fr) * | 2010-12-22 | 2015-07-01 | Colgate-Palmolive Company | Emballage d'articles d'hygiène buccale et son procédé d'utilisation |
JP5767839B2 (ja) * | 2011-03-28 | 2015-08-19 | 凸版印刷株式会社 | 前処理器具 |
US20140072674A1 (en) * | 2012-09-10 | 2014-03-13 | Nova Chemicals Inc. | Leak-proof containers, made from expandable thermoplastic resin beads |
ES2746066T3 (es) | 2013-03-14 | 2020-03-04 | Hollister Inc | Envase para producto médico |
USD734165S1 (en) | 2013-03-14 | 2015-07-14 | Hollister, Inc. | Catheter package |
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USD764943S1 (en) | 2014-06-04 | 2016-08-30 | Hollister Incorporated | Catheter package |
USD746152S1 (en) | 2014-06-04 | 2015-12-29 | Hollister Incorporated | Catheter package |
JP2017177579A (ja) * | 2016-03-30 | 2017-10-05 | 株式会社細川洋行 | 易剥離性シーラントフィルム |
US10232983B2 (en) * | 2017-05-25 | 2019-03-19 | Ramin Mobarhan | Meal tray |
USD809934S1 (en) | 2017-08-15 | 2018-02-13 | Fivestar Gourmet Foods, Inc. | Tray |
US11472620B2 (en) | 2019-07-12 | 2022-10-18 | Church & Dwight Co., Inc. | Multi-chambered package |
USD907009S1 (en) | 2019-09-20 | 2021-01-05 | Apple Inc. | Case with earphones |
USD941161S1 (en) * | 2020-06-29 | 2022-01-18 | Church & Dwight Co., Inc. | Multi-chambered package |
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DE2645922A1 (de) * | 1976-10-12 | 1978-04-13 | Sengewald Kg Karl H | Packung, insbesondere fuer kaese |
FR2409916A1 (fr) * | 1977-11-23 | 1979-06-22 | Meiji Seika Co | Recipient d'emballage a plusieurs compartiments ouvrables separement |
WO1981002416A1 (fr) * | 1980-02-21 | 1981-09-03 | Multivac Haggenmueller Kg | Emballage pourvu d'un couvercle a plusieurs couches |
EP0242252A1 (fr) * | 1986-03-19 | 1987-10-21 | Societe Alsacienne D'aluminium | Opercule pour la fermeture d'un récipient tel qu'un pot de yaourt ayant un rebord périphérique à son entrée |
EP0338488A2 (fr) * | 1988-04-20 | 1989-10-25 | Idemitsu Petrochemical Co. Ltd. | Structure multicouche, récipient et couvercle faciles à ouvrir |
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EP0398316A1 (fr) * | 1989-05-16 | 1990-11-22 | Terumo Kabushiki Kaisha | Conditionnement pour un récipient médical |
EP0437856A2 (fr) * | 1990-01-16 | 1991-07-24 | Idemitsu Petrochemical Co. Ltd. | Composites multicouches et récipients à ouverture facile |
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- 1991-02-04 CH CH332/91A patent/CH683175A5/de not_active IP Right Cessation
-
1992
- 1992-01-17 US US07/822,633 patent/US5353985A/en not_active Expired - Fee Related
- 1992-01-23 ES ES92810042T patent/ES2109328T3/es not_active Expired - Lifetime
- 1992-01-23 DE DE59208835T patent/DE59208835D1/de not_active Expired - Fee Related
- 1992-01-23 EP EP92810042A patent/EP0498760B1/fr not_active Expired - Lifetime
- 1992-01-28 CA CA002060120A patent/CA2060120A1/fr not_active Abandoned
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FR2409916A1 (fr) * | 1977-11-23 | 1979-06-22 | Meiji Seika Co | Recipient d'emballage a plusieurs compartiments ouvrables separement |
WO1981002416A1 (fr) * | 1980-02-21 | 1981-09-03 | Multivac Haggenmueller Kg | Emballage pourvu d'un couvercle a plusieurs couches |
EP0242252A1 (fr) * | 1986-03-19 | 1987-10-21 | Societe Alsacienne D'aluminium | Opercule pour la fermeture d'un récipient tel qu'un pot de yaourt ayant un rebord périphérique à son entrée |
EP0338488A2 (fr) * | 1988-04-20 | 1989-10-25 | Idemitsu Petrochemical Co. Ltd. | Structure multicouche, récipient et couvercle faciles à ouvrir |
US4909411A (en) * | 1989-02-13 | 1990-03-20 | Showa Denko Kabushiki Kaisha | Container |
EP0398316A1 (fr) * | 1989-05-16 | 1990-11-22 | Terumo Kabushiki Kaisha | Conditionnement pour un récipient médical |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2271983A (en) * | 1992-11-03 | 1994-05-04 | Swiss Pack Limited | Containers |
FR2721491A1 (fr) * | 1994-06-28 | 1995-12-29 | Rescaset Sa | Assiette jetable pour plats cuisinés, à oreille de désoperculage. |
EP0721899A1 (fr) * | 1995-01-11 | 1996-07-17 | W.R. Grace & Co.-Conn. | Emballage avec couvercle en feuille rétractable |
US6739113B1 (en) | 1995-01-11 | 2004-05-25 | Cryovac, Inc. | Package with shrink film lidstock |
EP0855343A1 (fr) * | 1997-01-24 | 1998-07-29 | L'oreal | Conditionnement pour produit liquide à semi liquide |
FR2758795A1 (fr) * | 1997-01-24 | 1998-07-31 | Oreal | Conditionnement pour produit liquide a semi-liquide |
US6003673A (en) * | 1997-01-24 | 1999-12-21 | L'oreal | Packaging unit for a liquid to semi-liquid product |
WO1998056686A1 (fr) * | 1997-06-10 | 1998-12-17 | Techy International S.A. | Emballage avec couvercle pelable ayant une zone d'ancrage et procede d'emballage |
BE1011681A5 (fr) * | 1997-06-10 | 1999-12-07 | Techy Int Sa | Emballage et procede d'emballage. |
AT500344A3 (de) * | 2004-01-29 | 2006-01-15 | Soremartec Sa | Behälter für lebensmittelprodukte |
AT500344B1 (de) * | 2004-01-29 | 2006-06-15 | Soremartec Sa | Behälter für lebensmittelprodukte |
EP2206658A1 (fr) * | 2009-01-13 | 2010-07-14 | Huhtamäki Oyj | Emballage |
Also Published As
Publication number | Publication date |
---|---|
EP0498760B1 (fr) | 1997-09-03 |
CH683175A5 (de) | 1994-01-31 |
US5353985A (en) | 1994-10-11 |
CA2060120A1 (fr) | 1992-08-05 |
DE59208835D1 (de) | 1997-10-09 |
ES2109328T3 (es) | 1998-01-16 |
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