CA2512910A1 - Tamper-indicating resealable closure - Google Patents

Tamper-indicating resealable closure Download PDF

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Publication number
CA2512910A1
CA2512910A1 CA002512910A CA2512910A CA2512910A1 CA 2512910 A1 CA2512910 A1 CA 2512910A1 CA 002512910 A CA002512910 A CA 002512910A CA 2512910 A CA2512910 A CA 2512910A CA 2512910 A1 CA2512910 A1 CA 2512910A1
Authority
CA
Canada
Prior art keywords
film layer
tear line
panel section
closure
separated
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
CA002512910A
Other languages
French (fr)
Other versions
CA2512910C (en
Inventor
Daniel M. Bonenfant
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.)
Intercontinental Great Brands LLC
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of CA2512910A1 publication Critical patent/CA2512910A1/en
Application granted granted Critical
Publication of CA2512910C publication Critical patent/CA2512910C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • B65D2401/00Tamper-indicating means
    • B65D2401/10Tearable part of the container

Abstract

A tamper indicating, resealable closure for a package includes first and second film layers releasably adhesively joined together such that the first and second film layers are at least partially separable when the second film layer is pulled away from the first film layer. The first film layer includes first and second tear lines formed thereon to define first and second panel sections respectively.
The first panel section defines an access opening through the first film layer when it is separated along the first tear line during an initial separation of the first and second film layers. The second panel section also becomes separated from the first film layer when the second film layer is separated from the first film layer to provide an indication of an initial opening of the closure. Subsequently, the second film layer may be re-adhered to the first film layer to reseal the access opening, while the second panel section remains separated from the first film layer.

Claims (11)

1. ~~A tamper indicating resealable closure, comprising:
a first film layer;
a first tear line formed into said first film layer and defining a first panel section for providing an access opening through said first film layer when separated from said first film layer along said first tear line;
a second tear line formed into said first film layer, adjacent said first tear line, and defining a second panel section for indicating an initial opening of the closure when separated from said first film layer along said second tear line; and a second film layer disposed on said first film layer and covering said first and second panel sections, said second film layer including an adhesive layer for releasably adhering said second film layer to said first film layer such that said first panel section is separated from said first film layer to expose the access opening, and said second panel section is separated from said first and second film layers to provide a visual indication of opening when said second film layer is urged away from said first film layer.
2. ~~The closure of claim 1, wherein said second tear line is arranged such that at least a portion of said second panel remains integrally joined to said first film layer.
3. ~~The closure of claim 1, wherein said first film layer is configured such that said second panel section is biased in a direction away from said second film layer when said second film layer is urged away from said first film layer.
4. ~~The closure of claim 1, further comprising a hinge formed on said second film layer.
5. ~~The closure of claim 1, comprising at least two second tear lines defining at least two second panels proximate said first tear line.
6. ~~The closure of claim 1, wherein said second film layer includes an exposed end to facilitate pulling said second film layer away from said first film layer, and wherein said second panel is formed such that said second tear line extends from said integrally joined portion of said second panel in a direction corresponding to a direction that said second film layer is pulled away from said first film layer.
7. ~~A container, comprising:
a package formed from a first film layer; and a resealable tamper evident closure formed into said first film layer, said closure comprising:
a first tear line formed into said first film layer and defining a first panel section for providing an access opening through said first film layer when separated from said first film layer along said first tear line, a second tear line formed into said first film layer, adjacent said first tear line, and defining a second panel section for indicating an initial opening of the closure when separated from said first film layer along said second tear line; and a second film layer disposed on said first film layer and covering said first and second panel sections, said second film layer including an adhesive layer for releasably adhering said second film layer to said first film layer such that said first panel section is separated from said first film layer to expose the access opening, and said second panel section is separated from said first film layer to provide a visual indication of opening when said second film layer is urged away from said first film layer.
8. ~~The container of claim 7, wherein said second tear line arranged such that at least a portion of said second panel remains integrally joined to said first film layer.
9. ~~A method of forming a tamper-indicating resealable closure, comprising:
forming a first tear line into a first film layer to define a first panel section for providing an access opening through the first film layer when separated from the first film layer, the first tear line arranged to facilitate separation of the first panel section from the first film layer;
forming a second tear line into the first film layer, adjacent the first tear line, to define a second panel section for indicating an initial opening of the closure; and releasably adhering a second film layer to the first film layer and covering the first and second panel sections such that the second film layer is separable from the first film layer by pulling the second film layer relative to the first film layer.~~
10. ~~The method of claim 9, wherein forming the second tear line includes arranging the second tear line to leave a portion of the second panel section integrally joined to the first film layer.
11. ~~The method of claim 9, further comprising:
separating the second film layer and the first panel section from the first film layer;
separating the second panel section substantially from the first film layer;
and separating the second panel section from the second film layer.
CA2512910A 2004-07-23 2005-07-21 Tamper-indicating resealable closure Expired - Fee Related CA2512910C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/897,712 US7371008B2 (en) 2004-07-23 2004-07-23 Tamper-indicating resealable closure
US10/897,712 2004-07-23

Publications (2)

Publication Number Publication Date
CA2512910A1 true CA2512910A1 (en) 2006-01-23
CA2512910C CA2512910C (en) 2012-03-20

Family

ID=34940316

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2512910A Expired - Fee Related CA2512910C (en) 2004-07-23 2005-07-21 Tamper-indicating resealable closure

Country Status (12)

Country Link
US (2) US7371008B2 (en)
EP (1) EP1619137B1 (en)
AR (1) AR050683A1 (en)
AT (1) ATE407893T1 (en)
BR (1) BRPI0503021A (en)
CA (1) CA2512910C (en)
DE (1) DE602005009615D1 (en)
DK (1) DK1619137T3 (en)
ES (1) ES2314574T3 (en)
MX (1) MXPA05007858A (en)
PL (1) PL1619137T3 (en)
PT (1) PT1619137E (en)

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US7744517B2 (en) 2010-06-29
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US7371008B2 (en) 2008-05-13
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ATE407893T1 (en) 2008-09-15
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