EP0545143B1 - Sealing lid - Google Patents
Sealing lid Download PDFInfo
- Publication number
- EP0545143B1 EP0545143B1 EP92119674A EP92119674A EP0545143B1 EP 0545143 B1 EP0545143 B1 EP 0545143B1 EP 92119674 A EP92119674 A EP 92119674A EP 92119674 A EP92119674 A EP 92119674A EP 0545143 B1 EP0545143 B1 EP 0545143B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid
- container
- vessel
- cutting line
- sealing
- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000004806 packaging method and process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Images
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
- 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
- B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
- B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
- B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
- B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
- B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
-
- 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
- B65D2577/2075—Lines of weakness or apertures
- B65D2577/2091—Lines of weakness or apertures in cover
Definitions
- the invention relates to a lid for sealing onto a preferably bowl-shaped vessel provided with an edge flange.
- the invention has for its object to design a lid of the type mentioned so that the food packaged in the container can be heated in the closed state and still there is no danger to the container or the lid by the water vapor generated.
- the lid is provided at least at one point on its circumference with three cutting lines, one of which introduces both sides of the sealing seam from the bottom facing the vessel and the third at a short distance from the inner bottom from the top and that the lid is off one between its two surfaces and parallel to these fissile material.
- the cutting lines each extend at least to the middle of the lid material.
- the lid is made of cardboard and is coated so that it can be sealed on its underside, at least in the area of the sealing seam to be produced.
- Cardboard material can be split relatively easily, so that the steam valve can be opened easily; however, the sealable coating ensures that the lid is securely closed with the vessel.
- a tab is formed on the lid in the region of the three cutting lines, which tab projects beyond the edge of the vessel.
- This protruding flap can be easily grasped and the splitting of the lid can thus be accomplished particularly easily.
- FIG. 1 denotes a flat lid which is intended for sealing onto a container provided with an edge flange.
- a flap 2 is formed on this cover 1, on the inner boundary line of which a cutting line 3 is provided from the underside.
- the cover 1 also has a cutting line 4, which is also introduced from below and is at a distance from the outer edge.
- a further cutting line 5 runs over the corner of the lid provided with the rag, this third cutting line being introduced into the lid from above.
- the lid 1 is sealed onto a bowl-shaped vessel 6 which has an edge flange 7 which serves to produce the sealed seam between the lid and the vessel.
- the tab 2 protrudes over this edge flange 7 and serves as a handle for opening the packaging formed from container and lid.
- All three cutting lines 3, 4 and 5 protrude slightly further than the middle of the material thickness into the lid 1, so that when tearing open with the aid of the flap 2 a secure material splitting takes place approximately in the middle of the lid material.
- FIGS. 4 and 5 A lid 1 thus split is shown in FIGS. 4 and 5.
- the complete rag and the upper half of the lid section delimited by the innermost cutting line 5 are removed, whereby a section of the cutting line 4 is exposed, so that steam arising in the interior of the vessel can escape.
- a central section of the cover 1 can be cut out along the section line 4, the sealing seam between the cover and the edge flange remaining.
- Cardboard which is coated with a sealable plastic at least in the area of the sealing seam, has proven particularly useful as the material for the lid. For special filling goods, however, it is advisable to coat the entire inside of the lid with such a plastic.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Closures For Containers (AREA)
- Package Specialized In Special Use (AREA)
- Sealing Material Composition (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Materials For Medical Uses (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Deckel zum Aufsiegeln auf ein mit einem Randflansch versehenes, vorzugsweise schalenförmiges Gefäß.The invention relates to a lid for sealing onto a preferably bowl-shaped vessel provided with an edge flange.
Werden in einem derartigen Gefäß verpackte Lebensmittel erwärmt, so ist es zweckmäßig die Lebensmittel im Gefäß zu belassen und den Deckel verschlossen zu halten, da sonst der Inhalt während des Erhitzens herausspritzt. Beim Erhitzen entsteht jedoch Wasserdampf, der im Extremfall das Gefäß zum Zerplatzen bringt.If food packaged in such a container is heated, it is advisable to leave the food in the container and to keep the lid closed, otherwise the contents will spurt out during heating. When heated, however, water vapor is generated, which in extreme cases causes the vessel to burst.
Der Erfindung liegt die Aufgabe zugrunde, einen Deckel der genannten Art so auszugestalten, daß die im Gefäß verpackten Lebensmittel im geschlossenen Zustand erhitzt werden können und trotzdem keine Gefahr für das Gefäß bzw. den Deckel durch den entstehenden Wasserdampf besteht.The invention has for its object to design a lid of the type mentioned so that the food packaged in the container can be heated in the closed state and still there is no danger to the container or the lid by the water vapor generated.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Deckel wenigstens an einer Stelle seines Umfanges mit drei Schnittlinien versehen ist, von denen je eine beiderseits der Siegelnaht von der dem Gefäß zugekehrten Unterseite und die dritte in geringem Abstand von der inneren unteren von der Oberseite her eingbracht ist, und daß der Deckel aus einem zwischen seinen beiden Oberflächen und parallel zu diesen spaltbaren Material besteht.This object is achieved in that the lid is provided at least at one point on its circumference with three cutting lines, one of which introduces both sides of the sealing seam from the bottom facing the vessel and the third at a short distance from the inner bottom from the top and that the lid is off one between its two surfaces and parallel to these fissile material.
Dadurch ist es möglich, den durch diese drei Schnittlinien begrenzten Abschnitt des Deckels vor dem Erhitzen abzuspalten und damit den entstehenden Wasserdampf entweichen zu lassen. Ein Herausspritzen von Teilen des Lebensmittels ist dabei nicht zu befürchten, da der dem Füllgut zugewandte untere Teil des Deckelmaterials nicht herausgelöst wird.This makes it possible to split off the section of the lid delimited by these three cutting lines before heating and thus to let the water vapor escape. Splashing out of parts of the food is not to be feared since the lower part of the lid material facing the filling material is not detached.
Sehr vorteilhaft ist es auch, wenn erfindungsgemäß die Schnittlinien jeweils wenigstens bis zur Mitte des Deckelmaterials reichen.It is also very advantageous if, according to the invention, the cutting lines each extend at least to the middle of the lid material.
Damit wird ein sicheres Aufspalten des Deckelmaterials gewährleistet.This ensures safe splitting of the lid material.
Eine weitere vorteilhafte Ausgestaltung der Erfindung liegt darin, daß der Deckel aus Karton hergestellt ist und wenigstens im Bereich der herzustellenden Siegelnaht auf seiner Unterseite siegelfähig beschichtet ist.Another advantageous embodiment of the invention is that the lid is made of cardboard and is coated so that it can be sealed on its underside, at least in the area of the sealing seam to be produced.
Kartonmaterial läßt sich verhältnismäßig leicht spalten, so daß das Öffnen des Dampf-Ventils leicht durchzuführen ist; durch die siegelfähige Beschichtung wird aber gleichzeitig ein sicherer Verschluß des Deckels mit dem Gefäß gewährleistet.Cardboard material can be split relatively easily, so that the steam valve can be opened easily; however, the sealable coating ensures that the lid is securely closed with the vessel.
Ebenfalls sehr vorteilhaft ist es, wenn gemäß der Erfindung im Bereich der drei Schnittlinien ein Lappen am Deckel angeformt ist, welcher über den Rand des Gefäßes hinausragt.It is also very advantageous if, according to the invention, a tab is formed on the lid in the region of the three cutting lines, which tab projects beyond the edge of the vessel.
Dieser überstehende Lappen kann leicht erfaßt und damit das Aufspalten des Deckels besonders einfach bewerkstelligt werden.This protruding flap can be easily grasped and the splitting of the lid can thus be accomplished particularly easily.
In der Zeichnung ist die Erfindung anhand eines Ausführungsbeispiels veranschaulicht. Dabei zeigen:
- Fig.1
- eine Draufsicht auf einen flachliegenden Deckel, der mit Schnittlinien versehen ist,
- Fig.2
- eine Draufsicht eines Teils einer Verpackung, die aus einem mit dem Deckel nach Fig.1 verschlossenen schalenförmigen Gefäß gebildet ist,
- Fig.3
- einen Vertikalschnitt durch den in Fig.2 dargestellten Abschnitt der Verpackung,
- Fig.4
- eine Draufsicht auf den Fig.2 entsprechenden Abschnitt der Verpackung mit einem herausgetrennten Abschnitt des Deckels und
- Fig.5
- einen Vertikalschnitt durch den in Fig.4 gezeigten Verpackungsabschnitt.
- Fig. 1
- a plan view of a flat lid, which is provided with cutting lines,
- Fig. 2
- 2 shows a plan view of part of a packaging which is formed from a bowl-shaped vessel closed with the lid according to FIG. 1,
- Fig. 3
- 3 shows a vertical section through the section of the packaging shown in FIG. 2,
- Fig. 4
- a plan view of the Fig.2 corresponding section of the package with a section of the lid removed and
- Fig. 5
- a vertical section through the packaging section shown in Figure 4.
Mit 1 ist in Fig.1 ein ebener Deckel bezeichnet, der zum Aufsiegeln auf einen mit Randflansch versehenen Behälter bestimmt ist. An diesen Deckel 1 ist ein Lappen 2 angeformt, an dessen innerer Begrenzungslinie von der Unterseite her eine Schnittlinie 3 vorgesehen ist. Darüber hinaus weist der Deckel 1 eine ebenfalls von unten her eingebrachte mit Abstand vom äußeren Rand umlaufende Schnittlinie 4 auf. Eine weitere Schnittlinie 5 verläuft über die mit dem Lappen versehene Ecke des Deckels, wobei diese dritte Schnittlinie von oben her in den Deckel eingebracht ist.1 in FIG. 1 denotes a flat lid which is intended for sealing onto a container provided with an edge flange. A
In den Figuren 2 und 3 ist der Deckel 1 auf ein schalenförmiges Gefäß 6 aufgesiegelt, das einen Randflansch 7 aufweist, welcher der Herstellung der Siegelnaht zwischen Deckel und Gefäß dient. Der Lappen 2 ragt über diesen Randflansch 7 hinweg und dient als Handhabe zum Öffnen der aus Gefäß und Deckel gebildeten Verpackung. Alle drei Schnittlinien 3, 4 und 5 ragen etwas weiter als zur Mitte der Materialdicke in den Deckel 1 hinein, so daß beim Aufreißen mit Hilfe des Lappens 2 eine sichere Materialspaltung etwa in der Mitte des Deckelmaterials stattfindet.In FIGS. 2 and 3, the
Ein so aufgespalteter Deckel 1 ist in den Figuren 4 und 5 dargestellt. Der vollständige Lappen sowie die obere Hälfte des durch die innerste Schnittlinie 5 begrenzten Deckelabschnittes sind entfernt, wodurch ein Teilstück der Schnittlinie 4 freigelegt ist, so daß im Innern des Gefäßes entstehender Dampf entweichen kann.A
Zum weiteren Öffnen kann ein Mittelabschnitt des Deckels 1 entlang der Schnittlinie 4 herausgetrennt werden, wobei die Siegelnaht zwischen Deckel und Randflansch bestehen bleibt. Als Material für den Deckel hat sich insbesondere Karton bewährt, der wenigstens im Bereich der Siegelnaht mit einem siegelfähigen Kunststoff beschichtet ist. Für besondere Füllgüter ist es jedoch zweckmäßig, die gesamte Innenseite des Deckels mit einem solchen Kunststoff zu beschichten.To open it further, a central section of the
Claims (4)
- Lid (1) for sealing to a preferably tray-like container (6) that is provided with a flanged rim (7), wherein the lid (1) is provided with three cut lines (3, 4, 5) at least at one point around its perimeter, one of which is applied from the underneath facing the container (6) on each side of the sealed seam, while the third one is applied from the top a short distance from the inner of the two that are applied from the underneath and wherein the lid (1) consists of a material that splits between and parallel to its two surfaces.
- Lid according to claim 1, wherein each of the cut lines (3, 4, 5) extends at least to the middle of the lid material.
- Lid according to claim 1 or 2, wherein the lid (1) is produced from board and is coated on the underneath with a sealable material at least in the area of the sealed seam that is to be produced.
- Lid according to claim 1, 2 or 3, wherein a tab (2) is provided on the lid (1) in the area of the three cut lines (3, 4, 5) that projects beyond the edge (7) of the container (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4140098 | 1991-12-05 | ||
| DE4140098A DE4140098C2 (en) | 1991-12-05 | 1991-12-05 | Sealable lid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0545143A1 EP0545143A1 (en) | 1993-06-09 |
| EP0545143B1 true EP0545143B1 (en) | 1995-09-06 |
Family
ID=6446329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92119674A Expired - Lifetime EP0545143B1 (en) | 1991-12-05 | 1992-11-19 | Sealing lid |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0545143B1 (en) |
| AT (1) | ATE127421T1 (en) |
| CZ (1) | CZ356992A3 (en) |
| DE (2) | DE4140098C2 (en) |
| ES (1) | ES2078631T3 (en) |
| HU (2) | HUH3764A (en) |
| PL (1) | PL170136B1 (en) |
| SK (1) | SK356992A3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9617056B2 (en) | 2006-02-03 | 2017-04-11 | Ardagh Mp Group Netherlands B.V. | Expandable container having lid for providing headspace control in a food can |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109920A1 (en) * | 2001-03-01 | 2002-09-05 | Friedrich Knapp | Container with foil cap opener has opening mechanism non-detachably fixed on area of lid to extend from outside upper edge into area of filling opening where it swivels about axis |
| DE10359035A1 (en) * | 2003-12-15 | 2005-07-14 | Huhtamaki Alf Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Plastics beaker, for liquid or paste or solid foodstuffs or detergents, has a lid welded to the beaker edge to seal the contents and ensure tamper-proof protection |
| DE102006046664B4 (en) * | 2006-09-29 | 2011-03-31 | Sig Technology Ag | Pack with peelable lid |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL282414A (en) * | 1961-08-23 | 1900-01-01 | ||
| FR2503036A1 (en) * | 1981-04-01 | 1982-10-08 | Erca | Composite foil covers for thermoplastic containers - with substrate layer precut to provide a small opening in the cover |
| DE3613155C2 (en) * | 1986-04-18 | 1997-03-13 | Schmalbach Lubeca | Easy to open plastic packaging |
| FR2624104B3 (en) * | 1987-12-04 | 1990-02-23 | Monoplast Sa | COOKING TRAY |
| FR2649071B1 (en) * | 1989-06-28 | 1991-10-25 | Erca Holding | |
| DE4011299A1 (en) * | 1989-07-17 | 1991-01-31 | Kullberg Jun | Cup with tear- off flanged lid - made of specified bilaterally plastic coated cardboard |
-
1991
- 1991-12-05 DE DE4140098A patent/DE4140098C2/en not_active Expired - Fee Related
-
1992
- 1992-11-19 ES ES92119674T patent/ES2078631T3/en not_active Expired - Lifetime
- 1992-11-19 AT AT92119674T patent/ATE127421T1/en not_active IP Right Cessation
- 1992-11-19 EP EP92119674A patent/EP0545143B1/en not_active Expired - Lifetime
- 1992-11-19 DE DE59203575T patent/DE59203575D1/en not_active Expired - Fee Related
- 1992-12-02 PL PL92296808A patent/PL170136B1/en unknown
- 1992-12-04 HU HU9203857A patent/HUH3764A/en unknown
- 1992-12-04 SK SK3569-92A patent/SK356992A3/en unknown
- 1992-12-04 HU HU9203857A patent/HU9203857D0/en unknown
- 1992-12-04 CZ CS923569A patent/CZ356992A3/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9617056B2 (en) | 2006-02-03 | 2017-04-11 | Ardagh Mp Group Netherlands B.V. | Expandable container having lid for providing headspace control in a food can |
Also Published As
| Publication number | Publication date |
|---|---|
| HUH3764A (en) | 1995-11-28 |
| SK356992A3 (en) | 1994-12-07 |
| HU9203857D0 (en) | 1993-03-29 |
| PL170136B1 (en) | 1996-10-31 |
| DE4140098C2 (en) | 1997-05-22 |
| DE4140098A1 (en) | 1993-06-09 |
| ATE127421T1 (en) | 1995-09-15 |
| PL296808A1 (en) | 1993-08-09 |
| DE59203575D1 (en) | 1995-10-12 |
| ES2078631T3 (en) | 1995-12-16 |
| CZ356992A3 (en) | 1994-01-19 |
| EP0545143A1 (en) | 1993-06-09 |
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