CA2143351C - Self-adhesive label for resealable packaging and a method for its production - Google Patents

Self-adhesive label for resealable packaging and a method for its production Download PDF

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Publication number
CA2143351C
CA2143351C CA 2143351 CA2143351A CA2143351C CA 2143351 C CA2143351 C CA 2143351C CA 2143351 CA2143351 CA 2143351 CA 2143351 A CA2143351 A CA 2143351A CA 2143351 C CA2143351 C CA 2143351C
Authority
CA
Canada
Prior art keywords
self
label
adhesive
sheet
glue
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 - Fee Related
Application number
CA 2143351
Other languages
French (fr)
Other versions
CA2143351A1 (en
Inventor
Maurizio Pedrini
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.)
Barilla G e R Fratelli SpA
Original Assignee
Barilla G e R Fratelli SpA
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
Family has litigation
Priority to ITMI94A000354 priority Critical
Priority to ITMI940354 priority patent/IT1273348B/en
Application filed by Barilla G e R Fratelli SpA filed Critical Barilla G e R Fratelli SpA
Publication of CA2143351A1 publication Critical patent/CA2143351A1/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11368000&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2143351(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application granted granted Critical
Publication of CA2143351C publication Critical patent/CA2143351C/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31DMAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/02Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
    • B31D1/021Making adhesive labels having a multilayered structure, e.g. provided on carrier webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31DMAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/02Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
    • B31D1/026Cutting or perforating
    • 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827Tear-lines provided in a wall portion
    • B65D75/5833Tear-lines provided in a wall portion for tearing out a portion of the wall
    • B65D75/5838Tear-lines provided in a wall portion for tearing out a portion of the wall combined with separate fixed tearing means, e.g. tabs
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08Fastening or securing by means not forming part of the material of the label itself
    • G09F3/10Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
    • 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
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/36Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bakery products, e.g. biscuits

Abstract

A self-adhesive label (6) for resealable packaging (1) which is both simple and cheap to manufacture and a method for its production are described, the label (6) including a structurally independent tongue (10) which is removably attached to a limited area of the self-adhesive surface (8) including a portion of edge (9) and which can be gripped for its easy removal.

Description

.: 213351 t A SELF-ADHESIVE LABEL FOR RESEALABLE PACKAGING
AND A METHOD FOR ITS PRODUCTION
The present invention relates to a self-adhesive label, of the type used in resealable packaging, which has a removably self-adhesive surface.
It also relates to a method for the production of such self-adhesive labels.
Self-adhesive labels of the type described are used, for example, on resealable packets of food products, like baked products such as toast slices, biscuits and the like, the contents of which are not consumed in one go.
Until the contents are finished, the packet must be resealed, with the same label, thus protecting the food product from air, odours and the like in order to preserve its physical and organoleptic properties.
These self-adhesive labels are therefore intended to be detached by the consumer at the moment of opening the resealable packet and reused, by the same consumer; to seal the packet. To this end, the label must be easily removable, without tearing or losing its ability to stick once again to the resealable packet.
In order to satisfy the above requirement, prior art self-adhesive labels are provided with a grip portion defined by an area of the removable self-adhesive surface wh1C11 iS free of glue and includes an edge portion.
This. portion, as it is not stuck, remains slightly separate from the resealable packet so that the consumer can grip it easily and remove the label.
However, though the production of this type of self-adhesive labels is not exactly difficult it is somewhat laborious and; in particular where industrial mass production is concerned, is the cause of not neglic~ble extra cost.
Furthermore, the presence of a separating line is reguired to define the glue-free portion, separating it from the rest of the self-adhesive surface which is stuck to the resealable packet.
This separation line, however, may constitute an easy rupture point, both for the label which may tear and no longer be usable and for the paper wrapping of the resealable package.
The technical problem of the present invention is to provide a self-adhesive label which overcomes the disadvantages mentioned in connection with the prior art.
In one embodiment of the invention, a resealable package 2a comprises a wrapping constituted by a sheet and including a closure side with a flap, and a self-adhesive label superposed on the flap, the label having a removably self-adhesive surface and an edge. The self-adhesive label includes a structurally independent tongue, which is removably attached to a.n area of the self-adhesive ~;urface which includes a portion of the edge. The self-adhesive surface is completely coated with glue.
The invention alsc> provides a method for producing labels, the method comprising the steps of providing an uncut: strip of material having a first sheet of label paper stuck to the surface of a support sheet; cutting a succession of labels in said first sheet of label paper at a first cutting station; cutting a succession o.f tongues in said support sheet at a ;=eCOIld cutting station, each one c>f said tongues having at least a portion of its edges overlapping an edge of a corresponding label; removing from said support strip the excess first sheet label paper which does not form a label; and winding the remaining strip of material onto a roll.
In a preferred embodiment, the tongue of the label projects from the edge of the flap. The tongue and self-adhesive label may be made of the paper material known as glassine.
This problem is solved by a label of the type specif=ied, characterised in that it includes a structurally independent tongue which is removably attached to an area of the self-adhesive surface which includes a portion of the edcre .
The main advantage of the self-adhesive label of the invention is that the self-adhesive surface is completely coated with glue, thus eliminating laborious and costly steps from the production of labels, while still enabling the label to be easily gripped and removed.
The present invention also relates to a method for the production of labels as described above, these labels being arranged in succession on a support strip of paper material known as glassine, characterised in that it includes a step of cutting the support strip from beneath to form a succession of cuts which define the tongues corresponding to each self-adhesive label.
Further characteristics and advantages of the label and of the method for its production according to the invention will be apparent from the detailed description of one embodiment, given hereafter with reference to the appended drawings, provided purely by way of non-limitative example and referring in this example to a resealable packet of toast slices.
In the drawinns:
Figure 1 is a perspective view of a closed resealable packet with a label according to the invention;
Figure 2 is a perspective view of the packet of Figure 1 open;
Figure 3 is a view of a length off a rolled sheet of labels according to the invention; and Figure 4 is a schematic illustratian of a method for the production of the sheet of Figure 3.
with reference to Figures 1 and 2, a resealable packet is generally indicated 1. It has a parallelepipedal wrapping 2 constituted by a food-quality sheet 3 which has been appropriately blanked and folded so as to obtain a closure side 4, substantially like an envelope, which includes a flap 5.
A self-adhesive label, generally indicated 6, is superposed on the flap 5 and has a removably self-adhesive surface 8 and an edge 9.
The self-adhesive surface 8 has removably attached thereto a paper tongue 10 which is approximately disc shaped, structurally independent and arranged in correspondence with the edc_re ~7 of the label 6 so that it includes a portion of this edge 9.
In a preferred embodiment, this tongue 10 projects from the edge 9.

In order to open the resealable package 1 therefore, one has only to grip the self-adhesive label 6 by the tongue and. pull, detaching the label 6 from the flap 5 of the closure side 4 which is thus free to open.

In order to close the package 1, one need only reapply the label 6, still holding it by the tongue 10.
Appropriate handling of the tongue 10 makes it possible 10 to open the package 1 after only partially detaching the label 6 so that only the glue of the self-adhesive surface 8 which sticks directly to the food wrapper 3 and not to the flap 5 deteriorates, with the result that, when the glue loses its effectiveness, one need only detach the tonctue 10 from the label 6 to uncover an area of the self-adhesive surface 8 with fully effective glue.
In this way it is possible to reseal the package 1 by usinc_t this new area, thus lengthening the useful life of the self-adhesive label 6 of the invention.
The self-adhesive label 6 thus conceived provides important advantages not only with regard to its use on resealable packaging but also with regard to its mass production.
At present, labels are produced in a line on a support strip, generally of calendered, siliconised paper, commonly known as glassine, which has special properties of anti-adhesiveness and strength and on which the glue is initially spread, this glue subsequently transferring to the self-adhesive surface 8 of the labels G. The glue is deposited on the support strip in one or more continuous longitudinal stripes, leaving glue-free bands which constitute the known gripping portions.
The self-adhesive label 6 of the invention, not having glue-free areas on its self-adhesive surface 8, does not require separate stripes of glue to be deposited on the support strip, but simply requires the glue to be spread evenly along this strip, which is both easier and cheaper.
In additions the formation of the tongue 10 is also particularly simple, as will become clear from the description of a method for the production of self-adhesive labels 6 according to the invention, provided hereafter with reference to Figures 3 and 4.
In Figure 3, a rolled sheet of labels 6 is indicated 11.
This includes a support strip 15, of the aforesaid paper like material glassine, with a surface 12 on which the labels 6 are applied in succession in a single line, and an opposite surface 13.
With reference on the other hand to Figure 4, a roll is indicated 14 of still unprocessed rolled sheet 11' for ..~ 2143351 the production of labels 6 which is constituted by an upper sheet 16 of label paper, stuck to the surface 12 of the support strip 15.
At a first cutting station 17, the edges 9 of the labels 6 are cut in the upper sheet 16 and, subsequently, at a second cutting station 18, edges 20 defining the tongues are cut, the cutting being effected from the opposite surface 13 of the support strip 15.
At this point, the excess upper sheet 16 is removed, giving the rolled sheet 11 of Figure 3 with the self-adhesive labels 6 and their tongues 10, ready to be wound for subsequent application onto the resealable packets 1.
The tongue 10 is therefore formed directly out of the glassine support strip 15 and its strength is therefore excellent.
In a preferred embodiment, the upper label-paper sheet 16 of the unprocessed strip 15 for the production of labels 6 is also made of glassine, that is of the type of paper generally used for the rolled support sheets of labels.
Glassine's resistance to tearing means that it is possible to use a glue in aqueous solution, which is generally very strong, rather than a solvent-based glue which could have a deleterious effect on the food g products contained in the resealable packets 1.
It is clear that an expert in this field will be able to make numerous variations to the structure of a label according to the invention for resealable packaging, in order to satisfy particular contingencies, without departing from the scope of the invention, as defined by the following Claims.

Claims (6)

1. A resealable package comprising a wrapping, consti-tuted by a sheet and including a closure side with a flap, and a self-adhesive label to be superposed on the flap, said self-adhesive label having a removably self-adhesive surface and an edge, characterised in that said self-adhesive label includes a structurally independent tongue which is removably attached to an area of the self-adhesive surface which includes a portion of the edge, said self-adhesive surface being completely coated with glue.
2. A resealable package according to claim 1, wherein the tongue projects from the edge of the label.
3. A resealable package according to claim 1, wherein the tongue is made of the paper material known as glassine.
4. A resealable package according to claim 1, wherein said self-adhesive label is made of the paper material known as glassine.
5. A resealable package according to claim 4, wherein said glue is a glue in aqueous solution.
6. A method for producing the resealable package of any one of claims 1, 2, 3, 4 or 5, the method comprising the steps of:
a) providing an uncut strip of material having a first sheet of label paper stuck to the surface of a support sheet;
b) cutting a succession of labels in said first sheet of label paper at a first cutting station;

c) cutting a succession of tongues in said support sheet at a second cutting station, each one of said tongues having at least a portion of its edges overlapping an edge of a corresponding label;
d) removing from said support strip the excess first sheet label paper which does not form a label; and e) winding the remaining strip of material onto a roll.
CA 2143351 1994-02-28 1995-02-24 Self-adhesive label for resealable packaging and a method for its production Expired - Fee Related CA2143351C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI94A000354 1994-02-28
ITMI940354 IT1273348B (en) 1994-02-28 1994-02-28 Self-adhesive label for reclosable packs and method for its production

Publications (2)

Publication Number Publication Date
CA2143351A1 CA2143351A1 (en) 1995-08-29
CA2143351C true CA2143351C (en) 2002-09-17

Family

ID=11368000

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2143351 Expired - Fee Related CA2143351C (en) 1994-02-28 1995-02-24 Self-adhesive label for resealable packaging and a method for its production

Country Status (11)

Country Link
EP (1) EP0669204B2 (en)
JP (1) JP3295573B2 (en)
AT (1) AT174260T (en)
AU (1) AU691543B2 (en)
CA (1) CA2143351C (en)
DE (2) DE69506457D1 (en)
DK (1) DK0669204T4 (en)
ES (1) ES2125549T5 (en)
GR (1) GR3029331T3 (en)
IT (1) IT1273348B (en)
SI (1) SI0669204T2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9150342B2 (en) 2003-04-16 2015-10-06 Intercontinental Great Brands Llc Resealable tray container
US8308363B2 (en) 2006-05-23 2012-11-13 Kraft Foods Global Brands Llc Package integrity indicator for container closure
US8114451B2 (en) 2006-12-27 2012-02-14 Kraft Foods Global Brands Llc Resealable closure with package integrity feature
US8408792B2 (en) 2007-03-30 2013-04-02 Kraft Foods Global Brands Llc Package integrity indicating closure
US20100018974A1 (en) 2008-07-24 2010-01-28 Deborah Lyzenga Package integrity indicating closure
GB0819200D0 (en) 2008-10-20 2008-11-26 Cadbury Holdings Ltd Packaging
IT1393977B1 (en) * 2009-04-27 2012-05-17 Idea S R L resealable packaging for food products
PL2347971T3 (en) 2010-01-26 2012-11-30 Generale Biscuit Resealable packaging for food products and method of manufacturing
DK2368811T3 (en) 2010-03-23 2012-09-24 Gen Biscuit Reclosable packaging for food products as well as manufacturing process
US9656783B2 (en) 2010-05-18 2017-05-23 Intercontinental Great Brands Llc Reclosable flexible packaging and methods for manufacturing same
BR112012029073A2 (en) 2010-05-18 2016-08-16 Kraft Foods Global Brands Llc resealable flexible packaging and manufacturing methods
BR112013023727A2 (en) 2011-03-17 2016-12-13 Intercontinental Great Brands Llc resealable flexible film packaging product and manufacturing methods
EP2951806B1 (en) 2013-02-01 2017-06-21 Boston Scientific Scimed, Inc. Tear tab closure strip
US9932149B2 (en) 2013-05-22 2018-04-03 The Procter & Gamble Company Package with integrally formed handle and method of making the same
US9248469B2 (en) 2013-06-27 2016-02-02 Boston Scientific Scimed, Inc. Closure seal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524271A (en) * 1969-03-04 1970-08-18 Duwayne F Buske Combination protection coupon and label
US3694287A (en) * 1969-07-11 1972-09-26 Edward C Marshall Pressure sensitive label strip construction and method of making same
US3921319A (en) * 1972-09-11 1975-11-25 James D Styers Pocket-forming member with window therein

Also Published As

Publication number Publication date
DE69506457D1 (en) 1999-01-21
EP0669204B2 (en) 2003-10-08
DK669204T3 (en)
ES2125549T3 (en) 1999-03-01
AU1220595A (en) 1995-09-07
DK0669204T3 (en) 1999-08-16
CA2143351A1 (en) 1995-08-29
DE69506457T2 (en) 1999-06-10
DK669204T4 (en)
DK0669204T4 (en) 2004-02-09
DE69506457T3 (en) 2004-07-01
AT174260T (en) 1998-12-15
EP0669204B1 (en) 1998-12-09
ITMI940354D0 (en) 1994-02-28
ITMI940354A1 (en) 1995-09-01
SI0669204T1 (en) 1999-04-30
JPH0836362A (en) 1996-02-06
AU691543B2 (en) 1998-05-21
GR3029331T3 (en) 1999-05-28
SI0669204T2 (en) 2004-04-30
JP3295573B2 (en) 2002-06-24
IT1273348B (en) 1997-07-08
ES2125549T5 (en) 2004-06-16
EP0669204A1 (en) 1995-08-30

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