EP1160177A2 - Lid for container to be opened by peeling - Google Patents

Lid for container to be opened by peeling Download PDF

Info

Publication number
EP1160177A2
EP1160177A2 EP01400892A EP01400892A EP1160177A2 EP 1160177 A2 EP1160177 A2 EP 1160177A2 EP 01400892 A EP01400892 A EP 01400892A EP 01400892 A EP01400892 A EP 01400892A EP 1160177 A2 EP1160177 A2 EP 1160177A2
Authority
EP
European Patent Office
Prior art keywords
layer
tongue
lid
container
hole
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
Application number
EP01400892A
Other languages
German (de)
French (fr)
Other versions
EP1160177A3 (en
EP1160177B1 (en
Inventor
Alain Grayer
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.)
Amcor Flexibles Selestat SAS
Original Assignee
Alsacienne DAluminium
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
Priority to FR0004454 priority Critical
Priority to FR0004454A priority patent/FR2807402B1/en
Application filed by Alsacienne DAluminium filed Critical Alsacienne DAluminium
Publication of EP1160177A2 publication Critical patent/EP1160177A2/en
Publication of EP1160177A3 publication Critical patent/EP1160177A3/en
Application granted granted Critical
Publication of EP1160177B1 publication Critical patent/EP1160177B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10Container closures formed after filling
    • B65D77/20Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024Container 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
    • B65D77/2028Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044Means 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
    • B65D77/2048Means 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
    • B65D77/2056Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2577/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10Container closures formed after filling
    • B65D2577/20Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041Pull tabs
    • B65D2577/205Pull tabs integral with the closure

Abstract

The invention relates to a cover for a container opening by coat, which comprises a first layer (3) fixed by adhesion to a second layer (5) comprising on its external face a sealing (6) allowing it to adhere to the container (1,2).
According to the invention, the first layer (3) includes a cutout (7) delimiting a gripping tab (8).
In addition, the adhesion strength between the first and second layers (3,5) is greater than the adhesive force between the second layer (5) and the container (1,2).
As a variant, the cover comprises a third layer (13) fixed by adhesion to the first layer (3) and comprising a hole (15) allowing access to the tongue (8).

Description

The present invention relates to a cover for a container for opening by peeling, comprising a first layer fixed by adhesion to a second layer comprising a sealing agent on its external face, this agent being intended to allow the lid to adhere to the container by sealing.

The lids intended to be fixed by sealing on the peel-open containers are generally provided with a grip tab forming a lateral projection.

However, when the fixing of the lids is ensured by heat sealing, part of the heat supplied is absorbed locally by the tab, so that the seal at the base of the latter is often of lower quality and less resistant than elsewhere.

The present invention proposes in particular to remedy this disadvantage and, to do this, it relates to a seal having the structure indicated above, this cover being characterized in that the first layer has a cutout interior delimiting a gripping tab, and in that the bond strength between the first and second layers is greater than the bond strength between the second layer and the container.

The gripping tab of this cover does not constitute lateral protrusion since it is located at a level cut out inside the first layer.

The heat supplied for the sealing therefore remains evenly distributed along the line along which the seal adheres to the container, which avoids the presence on this line of variable quality and resistance grip zones.

Note also that the different adhesion forces between the constituent layers of the cover on the one hand, and between the lid and the container on the other hand, guarantee an opening correct without duplication of layers.

Preferably, the tongue has a root connecting it to the first layer, one free end opposite the root and two sides connecting the root to the free end, a hole being made in the first layer so as to be delimited at least partially through the free end of the tongue.

Thanks to this hole, the tongue can be more easily grasped for the opening of the container.

According to a particular embodiment, the cover according to the invention comprises a third layer fixed by adhesion to the first layer and having a hole giving access to the tongue.

The third layer strengthens the strength of the cover and prevents the tab from accidentally separating from the first diaper when traction is exerted on it in order to opening the container.

To facilitate gripping of the tongue, the hole in the third layer is preferably at least as large as the tongue.

According to a first variant, the hole of the third layer is delimited at least in part by the free end of the tongue and / or by at least one of the sides of the latter.

According to a second variant, the hole of the third layer is defined by a particular cut delimiting a tongue additional covering at least in part the tongue of the first layer, the additional tongue being integral with the first.

According to a third variant, the tongue of the first layer extends at least in part on the third layer of so that it is easier to enter manually.

Finally, it will be specified that each of the first, second and third layer is made of paper or aluminum, or is made by a plastic film.

Several embodiments of the present invention will be described below by way of non-limiting examples with reference to the accompanying drawings in which:

  • Figure 1 is a perspective view showing a container closed by a two-layer cover according to the invention, the tab of the cover being raised;
  • Figure 2 is a partial sectional view on an enlarged scale according to Figure II-II of Figure 1;
  • Figure 3 is a view similar to Figure 2 but showing the container being opened;
  • Figure 4 is a partial sectional view on an enlarged scale similar to Figure 2 but showing a cover with three layers;
  • Figure 5 is a schematic and partial top view of the cover visible in Figure 4; and
  • Figure 6 is a top view similar to Figure 5 but showing an alternative embodiment of the cover with three layers.

Figures 1 and 2 show a seal fixed by sealing on the rim 1 delimiting the entry of a container 2 made of preferably plastic.

This cover comprises a first layer 3 fixed by through an adhesive agent 4 to a second layer 5 itself fixed on the rim 1 of the container via a sealant 6.

The sealant 6 used has an appropriate composition so that the cover can be fixed cold or hot on the rim 1 of the container and be removed by peeling whatever the sealing mode of the lid.

The first layer 3 includes a cutout 7 defining a gripping tab 8 and adheres to the second layer 5 with a force which is greater than that which secures the cover on the rim 1 of the container.

Thus, when one exerts on the tongue 8 a traction in order to open container 2, layers 3 and 5 are not likely to to split.

The tongue 8 has a root 9 through which it is connected to the first layer, a free end 10 opposite its root, and two longitudinal sides 11 connecting its free end and its root.

In the example shown in Figures 1 and 2, the cutout 7 is made so that a hole 12 extends in front of the free end 10 of the tongue 8 and allows a more gripping easy of the latter.

Note here that it is desirable that there is no agent adhesive 4 between layers 3 and 5 below the tongue so that it can be easily separated from layer 5 under the action of an upward pull from its free end 10.

Note also that hole 12 could if necessary extend in front of at least one of the two longitudinal sides 11 of the tongue.

Figure 3 shows that it suffices to grasp the tongue 8 and pull up on it to open the container 2.

Figures 4 and 5 show another seal according to the invention. This other seal is in fact distinguished from that which has just been described in that it comprises a third layer 13 fixed to the first layer 3 by means of an adhesive 14 and having a hole 15 allowing easy access to the tab 8.

In the example shown in Figures 4 and 5, the hole 15 a the same dimensions as the cutout 7 made in the first layer 3, but nothing prevents it from being larger. In effect, it could for example reveal the first layer over a predetermined width along at least one of the two sides of the tongue 8.

As clearly shown in Figure 4, hole 15 in the third layer has one side just above the root 9 of the tab.

Risks of accidentally separating the tongue of the first layer 3 when a traction is exerted on it are thus completely avoided.

In FIGS. 4 and 5, the hole 15 made in the third layer 13 reveals the tongue 8. It could however be defined by a cut delimiting an additional tab partially or entirely covering the tongue 8. In this mode of realization, the additional tongue would be integral with the latter which would therefore be reinforced.

FIG. 6 represents an alternative embodiment of the cover visible in FIGS. 4 and 5.

According to this variant, the tongue 8 extends in part at above the third layer 13, which makes it grip again easier.

In this particular embodiment, the third layer 13 covers an empty space corresponding to the extension on it of the tongue 8 as well as the hole 12 which was discussed about Figures 1 to 3.

Finally, it will be specified that layers 3, 5 and 13 can be in paper or aluminum or consist of a film of material plastic.

Claims (8)

  1. Lid for container with peeling opening, comprising a first layer (3) fixed by adhesion to a second layer (5) comprising a sealing agent (6) on its external face, this agent being intended to allow the lids to adhere to the container (1,2) by sealing, characterized in that the first layer (3) has an internal cutout (7) delimiting a gripping tab (8), and in that the adhesive force between the first and second layer (3,5) is greater than the adhesive force between the second layer (5) and the container (1,2).
  2. Lid according to claim 1, characterized in that the tongue (8) has a root (9) connecting it to the first layer (3), a free end (10) opposite the root and two sides (11) connecting the root at the free end, a hole (12) being formed in the first layer so as to be delimited at least partially by the free end of the tongue.
  3. Lid according to claim 1 or 2, characterized in that it comprises a third layer (13) fixed by adhesion to the first layer (3) and comprising a hole (15) allowing access to the tongue (8).
  4. Lid according to claim 3, characterized in that the hole (15) of the third layer (13) is at least as large as the tongue (8).
  5. Lid according to claim 4, characterized in that the hole (15) of the third layer (13) is delimited at least in part by the free end (10) of the tongue (8) and / or by one at less of the sides (11) of the latter.
  6. Lid according to any one of claims 3 to 5, characterized in that the hole (15) of the third layer (13) is defined by a particular cut delimiting an additional tongue covering at least partially the tongue (8) of the first layer (3), the additional tongue being integral with the first.
  7. Lid according to any one of claims 3 to 5, characterized in that the tongue (8) extends at least in part on the third layer (13).
  8. Lid according to any one of the preceding claims, characterized in that each of the first, second and third layers (3,5,13) is made of paper or aluminum, or consists of a plastic film.
EP20010400892 2000-04-07 2001-04-06 Lid for container to be opened by peeling Expired - Fee Related EP1160177B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0004454 2000-04-07
FR0004454A FR2807402B1 (en) 2000-04-07 2000-04-07 Lid for container with peling opening, comprising a grip tape delimited by a cut

Publications (3)

Publication Number Publication Date
EP1160177A2 true EP1160177A2 (en) 2001-12-05
EP1160177A3 EP1160177A3 (en) 2001-12-19
EP1160177B1 EP1160177B1 (en) 2004-06-30

Family

ID=8848983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010400892 Expired - Fee Related EP1160177B1 (en) 2000-04-07 2001-04-06 Lid for container to be opened by peeling

Country Status (8)

Country Link
US (1) US6497336B2 (en)
EP (1) EP1160177B1 (en)
AT (1) AT270237T (en)
DE (1) DE60104058T2 (en)
DK (1) DK1160177T3 (en)
ES (1) ES2222967T3 (en)
FR (1) FR2807402B1 (en)
PT (1) PT1160177E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012006934B3 (en) * 2012-04-05 2013-07-18 Alfelder Kunststoffwerke Herm. Meyer Gmbh Sealing disc for induction sealing of a container

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1386852A1 (en) * 2002-07-26 2004-02-04 Crown Cork & Seal Technologies Corporation Lidding structure
US6797312B2 (en) * 2003-01-21 2004-09-28 Mattson Technology, Inc. Electroless plating solution and process
US20040238477A1 (en) * 2003-05-28 2004-12-02 Unsworth John Duncan Non-spill container spout with peel type seal
PL1855822T3 (en) 2005-03-01 2010-06-30 Crown Packaging Technology Inc Packaging can
US7757879B2 (en) * 2005-11-29 2010-07-20 Sonoco Development, Inc. Container lid formed as a laminate having a built-in opening feature, container incorporating same, and method of making same
US8740052B2 (en) * 2006-04-07 2014-06-03 Sonoco Development, Inc. Membrane closure for container
US20070272693A1 (en) * 2006-05-26 2007-11-29 Sonoco Development, Inc. Membrane Lid with Recessed Tab, and Container Incorporating Same
US7703625B2 (en) * 2006-11-15 2010-04-27 Sonoco Development, Inc. Container lid formed as a laminate having a built-in opening feature, container incorporating same, and method for making same
US20080283529A1 (en) * 2007-05-17 2008-11-20 Sonoco Development, Inc. Container Lid Formed as a Laminate Having a Built-In Opening Feature, and Container Incorporating Same
EP2565030B1 (en) * 2007-08-24 2016-10-19 Selig Sealing Products, Inc. Covering and hygienically covered metal container
US20100288764A1 (en) * 2009-05-14 2010-11-18 Douglas Neil Frost Packaging membrane with built-in opening feature
FR2973209B1 (en) * 2011-04-01 2014-07-04 Ahbla Ganibardi Capsule of beverage product
DE102013015581B3 (en) * 2013-09-20 2014-10-02 Alfelder Kunststoffwerke Herm. Meyer Gmbh Sealing disk for induction sealing of a container
KR101407569B1 (en) 2014-01-15 2014-07-02 주식회사 씰앤팩 Vassel sealing member and producing method therefor
GB201411707D0 (en) * 2014-07-01 2014-08-13 British American Tobacco Co A package
GB201411708D0 (en) * 2014-07-01 2014-08-13 British American Tobacco Co A package
EP3392163A1 (en) 2014-10-01 2018-10-24 Sonoco Development, Inc. Container structure with a built-in opening and reclosing feature
US10138026B2 (en) 2015-04-01 2018-11-27 Sonoco Development, Inc. Resealable flexible package and method of using the same
US9928757B2 (en) 2015-05-21 2018-03-27 Sonoco Development, Inc. Flexible laminate for packaging with integrated peelable portion
US20180186537A1 (en) * 2017-01-05 2018-07-05 Advanced Web Technologies, Inc. Rigid resealable label flap having a hinge
US10351294B2 (en) 2017-07-21 2019-07-16 Sonoco Development, Inc. Tamper evident hybrid resealable container

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DE2209393A1 (en) * 1971-02-26 1972-09-07
US4960216A (en) * 1989-08-17 1990-10-02 Selig Sealing Products, Inc. Partially laminated closure cap for tamper proof container and method of making same
US5226281A (en) * 1989-02-27 1993-07-13 Minnesota Mining And Manufacturing Company Z-tab innerseal for a container and method of application
EP0905039A1 (en) * 1997-09-19 1999-03-31 Selig Sealing Products, Inc. Closure seal for container

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US3317068A (en) * 1965-03-22 1967-05-02 Acme Plate & Mat Company Tear-open sealed containers and closures therefor
SE350945B (en) * 1971-03-01 1972-11-13 Christenssons Maskiner
GB1524548A (en) * 1975-04-18 1978-09-13 Nissin Shokuhin Kaisha Ltd Food receptacle with a peelable and pierceable lid
GB1577739A (en) * 1976-04-09 1980-10-29 Metal Box Co Ltd Containers
US4625875A (en) * 1985-02-04 1986-12-02 Carr Joseph J Tamper-evident closure
JPS63154438U (en) * 1987-03-27 1988-10-11
US5514442A (en) * 1987-09-09 1996-05-07 Stanpac, Inc. Sealing member for a container
JP3158494B2 (en) * 1991-06-19 2001-04-23 凸版印刷株式会社 Lid material

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
DE2209393A1 (en) * 1971-02-26 1972-09-07
US5226281A (en) * 1989-02-27 1993-07-13 Minnesota Mining And Manufacturing Company Z-tab innerseal for a container and method of application
US4960216A (en) * 1989-08-17 1990-10-02 Selig Sealing Products, Inc. Partially laminated closure cap for tamper proof container and method of making same
EP0905039A1 (en) * 1997-09-19 1999-03-31 Selig Sealing Products, Inc. Closure seal for container

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012006934B3 (en) * 2012-04-05 2013-07-18 Alfelder Kunststoffwerke Herm. Meyer Gmbh Sealing disc for induction sealing of a container
WO2013150137A1 (en) 2012-04-05 2013-10-10 Alfelder Kunststoffwerke Herm. Meyer Gmbh Sealing disc for induction sealing of a container
US9156584B2 (en) 2012-04-05 2015-10-13 Alfelder Kunststoffwerke Herm. Meyer Gmbh Sealing disc for induction sealing of a container

Also Published As

Publication number Publication date
EP1160177A3 (en) 2001-12-19
ES2222967T3 (en) 2005-02-16
EP1160177B1 (en) 2004-06-30
PT1160177E (en) 2004-11-30
US20020003143A1 (en) 2002-01-10
DK1160177T3 (en) 2004-10-11
FR2807402B1 (en) 2002-10-31
DE60104058T2 (en) 2005-06-30
AT270237T (en) 2004-07-15
US6497336B2 (en) 2002-12-24
FR2807402A1 (en) 2001-10-12
DE60104058D1 (en) 2004-08-05

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