DE1611956B1

DE1611956B1 - Resealable tin-shaped packaging container made of plastic, especially for butter pieces

Info

Publication number: DE1611956B1
Application number: DE19681611956
Authority: DE
Inventors: Auf Nichtnennung Antrag
Original assignee: Kalle GmbH and Co KG
Current assignee: Kalle GmbH and Co KG
Priority date: 1968-02-01
Filing date: 1968-02-01
Publication date: 1974-06-06

Description

Durch das Abdecken des Behälterinhalts durch die lose Abdeckfolie wird zum einen der licht- und luftempfindliche Behälterinhalt auch gegen den schädlichen Einfluß der beim Füllen des Behälters eindringenden unvermeidlichen Luft zwischen Schnappverschlußdeckel und Behälterinhalt ausgeschaltet und zum anderen durch Einklemmen der Einlegefolie zwischen Aufsetzrandfläche des Behälters und Schnappverschlußdeckelboden eine zusätzliche Abdichtung des Behälterinneren gegenüber der Außenluft und der Lichteinwirkung sowohl während der langen Zeit zwischen fabrikmäßiger Behälterfüllung bis zum tischfertigen Verbrauch des Behälterinhaltes als auch für die kürzere Dauer des tischfertigen Verbrauchs des Behälterinhaltes sichergestellt und darüber hinaus die schädliche und aufwendige Anwendung der Heißverklebung vermieden. By covering the contents of the container with the loose cover film on the one hand, the light- and air-sensitive container contents are also protected against the harmful ones Influence of the inevitable air that penetrates when filling the container between Snap-on lid and container contents switched off and on the other hand by jamming the insert film between the edge of the container and Snap-lock lid base an additional seal of the inside of the container against the outside air and the Exposure to light both during the long time between factory-filled container filling until the contents of the container are ready to serve as well as for the shorter duration the ready-to-use consumption of the container contents ensured and beyond the harmful and costly application of hot bonding avoided.

In der Zeichnung ist ein Ausführungsbeispiel des Gegenstandes der Erfindung schematisch dargestellt. In the drawing is an embodiment of the subject matter of Invention shown schematically.

Es zeigt F i g. 1 eine Ausführungsform des Behälters mit Unterteil und Schnappverschlußdeckel im vertikalen Schnitt, Fig.2 den gleichen Behälter in perspektivischer Ansicht, F i g. 3 den Schnappverschlußdeckel und dessen annähernd U-förmigen Falzrand im vertikalen Schnitt.It shows F i g. 1 shows an embodiment of the container with a lower part and snap-closure lid in vertical section, Fig.2 the same container in perspective view, F i g. 3 the snap-lock cover and its approximate U-shaped folded edge in vertical section.

Der Verpackungsbehälter besteht im wesentlichen aus dem rechteckigen, kastenartigen Unterteill, dessen horizontaler Querschnitt nach unten leicht verjüngt ist und am oberen Rand mit nach außen vorspringend gekröpften Seitenwandteilen 3 und nach oben anschließend mit einem nach außen umgebogenen Randflansch 2 versehen ist, um welchen der als Eindrückdeckel ausgebildete Schnappverschlußdekkiel 4 herumgreift und sich selbst durch Klemmwirkung hält. The packaging container consists essentially of the rectangular, box-like lower part, the horizontal cross-section of which tapers slightly downwards is and at the upper edge with outwardly projecting side wall parts 3 and then provided at the top with an outwardly bent edge flange 2 is around which the snap-lock keel 4, designed as a push-in cover, engages and holds itself by clamping action.

Der nach oben vorspringende Deckelfalzrand 5 bildet einen nach unten offenen sickenartigen Hohlraum 6, in den der nach außen umgebogene Randflansch 2 hineinpaßt, wobei sich der innere Schenkel des Deckelfalzrandes 5 nach dem oberen Seitenwandteil 3 des Behälters 1 übereinstimmend nach oben leicht konisch erweitert und sich gegen den Seitenwandteil 3 legt. Der äußere Schenkel 7 des nach oben vorspringenden Deckelfalzrandes 5 ist nach unten verlängert, nach innen bei 8 etwas eingedrückt und anschließend schräg nach außen verlaufend ausgebildet, so daß er sich mit der Eindrückung 8 federnd hinter den Randflansch 2 des Unterteils 1 legt und den Schnappverschlußdeckel durch federnde Klemmwirkung selbsttätig und lösbar auf dem Unterteil 1 hält. Die nach außen vorspringend gekröpften Seitenwandteile3 sind in ihrer vertikalen Breite mit der Schnappverschlußdeckeltiefe bzw. dem nach oben vorstehenden Deckelfalzrand 5 übereinstimmend ausgeführt. Zwischen dem Schnappverschlußdeckelboden 15 und der am unteren Ende des nach oben leicht konisch erweiterten Seitenwandteils 3 gebildeten Aufsetzfläche 9 ist eine Einlegefolie oder -platte 10 eingelegt, die mit einer zungenartigen Verlängerung 11 durch die Randdichtungsanordnung hindurch nach außen herausragt, so daß die Einlegefolie 10 die Dichtung zwischen dem inneren Schenkel des Falzrandes 5 des Schnappverschlußdeckels 4 und dem oberen Seitenwandteil des Unterteilsl vervollständigt und der Schnappverschlußdeckel 4 durch Ziehen an der Verlängerung 11 von dem Unterteil 1 abgehoben werden kann. Die zungenartige Verlängerung 11 wird vorzugsweise verstärkt ausgeführt und kann ebenso wie die Seitenwandteile 3 des Unterteils 1, die obere Schnappverschlußdeckelfläche und die Einlegefolie 10 mit Aufdrucken, bildlichen Darstellungen, Metallfarbenbedruckungen od. dgl. versehen werden. The upwardly projecting lid fold edge 5 forms a downward one open bead-like cavity 6 into which the edge flange 2 fits into it, the inner leg of the lid fold 5 after the upper Side wall part 3 of the container 1 correspondingly widened slightly conically upwards and lies against the side wall part 3. The outer leg 7 of the upwardly protruding Lid fold edge 5 is extended downwards, slightly indented inwards at 8 and then designed to run obliquely outwards, so that it is with the indentation 8 resiliently behind the edge flange 2 of the lower part 1 and the snap-lock cover Holds automatically and releasably on the lower part 1 by resilient clamping action. the outwardly protruding side wall parts3 are in their vertical width with the depth of the snap-lock cover or the cover fold edge protruding upwards 5 executed in accordance. Between the snap lock cover bottom 15 and the formed at the lower end of the upwardly slightly conically widened side wall part 3 Contact surface 9 is an insert film or plate 10 is inserted, which with a tongue-like Extension 11 protrudes outward through the edge seal arrangement, so that the insert film 10 forms the seal between the inner leg of the folded edge 5 of the snap closure cover 4 and the upper side wall part of the lower part 1 is completed and the snap-on lid 4 by pulling on the extension 11 from the base 1 can be withdrawn. The tongue-like extension 11 is preferably reinforced executed and, like the side wall parts 3 of the lower part 1, the upper Snap-lock cover surface and the insert film 10 with imprints, pictorial Representations, metal color printing or the like. Be provided.

Der Boden 12 des Unterteils 1 wird vorzugsweise durch eine oder mehrere von unten nach oben gerichtete Einprägungen 13 versteift. Zur Vermeidung von Lufträumen in dem mit einem entsprechenden Butterstück oder einem anderen Lebensmittelstück ausgefüllten Unterteil 1 in geschlossenem Zustand des Behälters werden dessen untere Ecken bei 14 abgerundet oder abgeschrägt. Der Unterteil des Behälters, der Schnappverschlußdeckel 4 und die Einlegefolie 10 werden aus dünnwandigem Kunststoff, wie z. B. PVC-Folie, durch Formen, Spritzen oder in anderer Weise hergestellt. The bottom 12 of the lower part 1 is preferably one or more from bottom to top facing embossings 13 stiffened. To avoid air spaces in the one with a corresponding piece of butter or another piece of food filled lower part 1 in the closed state of the container are its lower Corners at 14 rounded or beveled. The bottom of the container, the snap-on lid 4 and the insert film 10 are made of thin-walled plastic, such as. B. PVC film, manufactured by molding, injection or otherwise.

Claims

Claim: Reclosable can-shaped packaging container Made of plastic, especially for pieces of butter, consisting of a lower part and a press-in lid, of those in the closed state of the container the laterally protruding, with an outwardly bent edge flange equipped upper side wall part of the Lower part and the inner leg of the bead-like cavity that is open at the bottom The folded Dekkelfalzrandes of the push-in cover lie flat on top of each other and the outer leg of the Dekkelfalzrandes in cooperation with the edge flange of the lower part forms a resilient closure, characterized in that the container lower part (1) has a horizontal Aufsetzrandfläche (9) and that in the closed state of the packaging container between the horizontal contact edge surface (9) of the lower part and the bottom (15) of the push-in cover (4) one in size with the bottom (15) matching flat cover and sealing film (10) with to the outside through the Tongue-like extension (11) protruding through the edge sealing arrangement is clamped is.

The invention relates to a resealable can-shaped Packaging containers made of plastic, in particular for pieces of butter, consisting of Lower part and push-in lid, of which in the closed state of the container the laterally protruding, equipped with an outwardly bent edge flange upper side wall part of the lower part and the inner leg of the open at the bottom Sink-like cavity bent lid fold edge of the press-in lid flat lie on top of each other and the outer leg of the lid fold edge in cooperation forms a resilient lock with the edge flange of the lower part.

Butter or other edible fats are usually made in non-fat Paper or foil packaged in certain weights and brought onto the market. The wrapping material is relatively thin and tears during transport or in the process low mechanical stress easily, so that harmful oxygen of the Air can get into the packaged goods or swell them out. The packaging is also not dimensionally stable, so that they deform with their content and become unsightly can be. When the contents of the container are used up, they must be removed from the packaging and put on the table in other containers.

There are already thin-walled packaging containers made of plastic film with a snap-in cover designed as a push-in cover of the type mentioned at the beginning Art has been suggested to address the aforementioned shortcomings of conventional envelope paper packages to weaken or avoid and the goods in the packaging container on the To be able to bring a table (German utility model 1790 772).

However, these suggestions guarantee failure an additional cover and Sealing agent does not have the required airtight seal during the Storage of the goods in them until they are opened for the first time and after they have been repeatedly opened Opening and closing the container still has the required light tightness while the contents of the container are being used on the table.

The air-tightness required until the contents of the container are used up According to another proposal, the containers were only sealed by heat sealing of the lid with the container reached, but this is again detrimental to the repeated Closure of the container as airtight as possible after opening and tearing it open for the first time The heat seal had an effect by removing the heat seal areas after they had been torn open no longer an airtight closure of the container with the self-holding effect of the Allow snap cap closure. In addition, the aforementioned bonds naturally form no protection against incidence of light before and during table use '(German utility model 1932185, 1 957 679 and 1 967 152).

According to a further proposal (US Pat. No. 3,301464) is for Avoidance of the above defects instead of the local hot glue one with the container base sealed film provided after the initial opening are detached and then clamped as a loose film between the lid and the lower part shall be. Apart from the possible damage to the product due to the heat of the seal, there is the shortcoming in this embodiment that, since the film is not flat = but also laterally surrounding the lid base and overlapping the lower part at the top three-dimensional structure is designed, due to this spatial shape easily a, torn or at least a wrinkling of the film when the Foil done after table use.

The object of the invention is to eliminate the shortcomings of the known Container and accordingly the creation of a container which meets all requirements does better justice to practice than the previous containers of this type and with Idem the contents of the container from all external harmful influences, such as air and light, both during the time between the factory closing of the filled container until the table-ready consumption of the container contents as well as during the table-ready process Consumption of the container filling is exempt.

This problem is solved by omitting the hot bonding a container of this type in that the container lower part has a horizontal Aufsetzrandfläche has and that in the closed state of the packaging container between the horizontal contact edge surface of the lower part and the bottom of the push-in cover a flat covering and sealing foil of the same size as the floor with tongue-like ones protruding outward through the edge sealing arrangement Extension is pinched.