EP0493465B1 - Conditionnement et scelle indiquant une alteration - Google Patents

Conditionnement et scelle indiquant une alteration Download PDF

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Publication number
EP0493465B1
EP0493465B1 EP90914230A EP90914230A EP0493465B1 EP 0493465 B1 EP0493465 B1 EP 0493465B1 EP 90914230 A EP90914230 A EP 90914230A EP 90914230 A EP90914230 A EP 90914230A EP 0493465 B1 EP0493465 B1 EP 0493465B1
Authority
EP
European Patent Office
Prior art keywords
bag
layer
flap
seal
adhesive
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
Application number
EP90914230A
Other languages
German (de)
English (en)
Other versions
EP0493465A1 (fr
Inventor
William Hodges
Paul Richard Baldwin
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.)
Britton Security Packaging Ltd
Original Assignee
BRITTON SECURITY PACKAGING LIM
BRITTON SECURITY PACKAGING Ltd
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 BRITTON SECURITY PACKAGING LIM, BRITTON SECURITY PACKAGING Ltd filed Critical BRITTON SECURITY PACKAGING LIM
Publication of EP0493465A1 publication Critical patent/EP0493465A1/fr
Application granted granted Critical
Publication of EP0493465B1 publication Critical patent/EP0493465B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/34—End- or aperture-closing arrangements or devices with special means for indicating unauthorised opening

Definitions

  • This invention relates to bags and packages adapted for the secure transportation of articles of value such as bank notes.
  • GB-A-2,145,997 discloses a security bag having an adhesive coated flap at its open end, formed by an extension of one of the walls beyond the open end, the adhesive area being partially overlaid by the other facing wall.
  • the adhesive area is covered by a protective peelable strip, until the bag is ready to be used, and when the peelable strip is removed, the overlapping portion of the front wall can be sealed against the adhesive, and the projecting flap can also be folded over the top edge of the front wall, so as to give a double seal.
  • a hot melt pressure sensitive adhesive for the self sealing portion.
  • Such adhesives are very strong at ambient temperature, but significantly weaker in hot or cold conditions: for example, if a normal hot melt seal is frozen to -40°C, the adhesive becomes brittle and snaps. The bag can then be opened easily and resealed. When the adhesive reaches normal temperature once again, it will be as effective as before, and show no signs of having been tampered with.
  • the present invention seeks to provide a security bag having a seal with improved "tamper detection” characteristics. Accordingly, the present invention provides a self seal bag, a tamper-indicating sealing tape or label, and a bag including such a tape or label according to claims 1, 7 and 11.
  • the patterned areas may be formed with a white or coloured ink and may cover all or only part of the seal area.
  • the main body of the bag comprises an opaque plastics material
  • the adhesive layer is carried on a transparent flap which is welded or otherwise attached to the bag at or near one end which is initially open, so that the flap can be folded over the end to form a seal.
  • the general structure of the bag may be as shown in patent GB-A-2,145,997, with the patterned adhesive layer applied to the foldable flap of the bag, or alternatively, the adhesive layer may be carried on a separate flap which is welded to the bag or attached by means of a suitable adhesive and formed of inherently transparent material.
  • the bag may be formed from a continuous strip of polythene which is cut into lengths equal to about twice the intended length of the finished bag. An area of the strip can then be cut-out and replaced by a closure panel, including an adhesive layer with patterned areas according to the invention. The strip is then folded in half, and the free edges are welded together to form a bag, so that the closure panel is formed on one face of the bag, rather than being at the end.
  • the various panels of the bag may be assembled from separate pieces of polythene, with the "closure panel" cut from a continuous tape on a reel.
  • the adhesive area is covered by a peelable strip to protect it from accidental adhesion, before the bag is intended to be closed.
  • the bag may also be constructed in accordance with GB-A-2,009,707, and may incorporate "micro-security printing", to facilitate detection of tampering with other side seals of the bag, for example. This may also be applied in the seal area, as well as around the edges of the bag.
  • the security bag 2 comprises closed side edges 4 and 6, and the end 8 of the bag is also closed, usually by a fold formed in manufacture.
  • the side edges may be welded, and may carry so called "micro-security" printing to facilitate detection of unauthorised tampering with these edges.
  • the rear wall 10 of the bag is made longer than the front wall 12, so as to form a flap 14 which extends beyond the opening 16 of the bag, through which the contents are inserted in use.
  • the extreme end portion 18 of the flap 14 is made as a detachable "receipt" portion, and a separate closure flap 20 is welded or otherwise adhesively attached in the opening of the bag, at an area 22 near its lower edge, so that the extreme lower edge 24 is within the mouth of the bag, whilst its upper portion 26 projects out of the mouth of the bag, and carries an adhesive area 28 on its outwardly facing surface.
  • the closure flap 20 is made of a clear plastics material, which is preferably a film of low density polyethylene, of about 70 microns thick.
  • the surface of the flap is treated by corona discharge, and a pattern of wording, such as a repeated pattern of the word "void", is printed on the outer surface, in a clear high release silicone acrylate. This print layer is indicated at 30 in Figure 4.
  • a solid layer of white or coloured ink 32 is then applied over the print pattern, this layer being formulated so as to have good opacity, and also to provide a good surface for adhesive to bond to.
  • the layer may then be overprinted with "scatter" print, carrying a warning of the presence of the security seal. It will be appreciated that the printed messages will normally be in reverse print, so as to be correctly readable through the transparent base film.
  • a layer 34 of hot melt adhesive is then applied over the ink layer 32, and a silicone release tape 36 is applied over the adhesive layer to protect it from accidental adhesion to other surfaces, before the bag is required to be sealed.
  • the release tape 36 is peeled from the adhesive area 28 of the flap, exposing the hot melt adhesive 34.
  • the area of the adhesive preferably extends below the top edge of front wall 12 of the bag, as previously proposed in the arrangement of GB-A-2,145,997, so that the top edge of the front wall can be pressed onto the adhesive, once the release tape 36 has been removed.
  • the flap 20 is then folded over the top edge of front wall 12, so as to adhere to the upper part 44 of the outer surface of front wall 12.
  • the hot melt adhesive 34 is so formulated as to bond strongly to the outer surface of the bag and is, of course, already strongly bonded to the ink layer 32.
  • the printed pattern of clear silicone acrylate immediately becomes obvious, since a corresponding pattern of ink remains attached to the hot melt adhesive, rather than remaining on the base film.
  • the layer of ink is so disrupted by the action of unpeeling the flap 20, that any attempt to reseal the bag is immediately obvious by the appearance of the ink pattern, through the transparent film of the flap.
  • the sealer print may be applied over the layer 32, or below it. These layers may also cover all or only part of the seal area.
  • the examplary bag is described as being formed from low density polyethylene film it is also envisaged that it may be constructed from other suitable film or sheet materials.
  • Figures 5 and 6 illustrate how additional "scatter print”, may be applied as a layer 50 superimposed on the "patterned" layer, as shown in Figure 5, or alternatively beneath it, as shown in Figure 6.
  • the layer 32 may be discontinuous, and may be applied in areas corresponding to the discrete areas 30 (cf. Figure 4).
  • Figure 8 illustrates a method of making an alternative form of bag.
  • a continuous sheet of polythene 60 having a width equal to the finished width of the bag is cut into lengths corresponding to about twice the length of a finished bag, and a section 62, near one end of the length, is cut out.
  • a portion of closure tape 64, having a cross-section of the kind shown in Figures 4 to 7, is then welded or otherwise adhesively attached, over this area.
  • the other end 66 of the sheet is then folded over as shown in figure 8(e), and the side edges sealed together, so that the panel 64 then forms a flap with a security closure, in a similar manner to the bag of Figure 1.
  • the process may start with a somewhat shorter length of polythene 70, Figure 9a, to which one side of the closure tape 72 is attached as shown in Figure 9c. Finally, as shown in Figure 9e, a further panel 74 of polythene is attached to the other side of the closure tape, providing a similar arrangement to that of Figure 8c.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)

Claims (13)

  1. Sac à scellement automatique comportant une fermeture comprenant un rabat (14, 20) ayant une surface de scellé portant une couche de scellé, et une autre surface (44), qui est prévue pour être amenée en contact avec la surface de scellé, de manière à former un scellé, dans lequel la couche de scellé comporte des surfaces recouvertes de motifs (20), faites d'acrylate de silicone transparent à haute libération recouvert d'une couche d'encre opaque (32), qui est recouverte à son tour d'une couche de colle (34), de façon qu'un retrait ultérieur du scellé laisse une partie de l'encre sur la surface de scellé, tandis que l'autre partie est laissée sur l'autre surface (44), en fonction desdites surfaces recouvertes de motifs (20) ; et dans lequel au moins une partie du rabat (14, 20) est transparente ou translucide, de façon que la rupture de la couche de scellé soit manifestement évidente, si le sac est ensuite de nouveau scellé.
  2. Sac selon la revendication 1, dans lequel ladite encre opaque est blanche.
  3. Sac selon la revendication 1 ou la revendication 2, dans lequel le corps du sac est constitué d'une matière plastique, et la couche de scellé est portée sur un rabat transparent (14, 20) qui, soit fait partie intégrante de celui-ci, soit est soudé ou autrement fixé au sac, sur ou près d'une extrémité qui est initialement ouverte, de façon que le rabat puisse être replié sur l'extrémité de manière à constituer un scellé.
  4. Sac selon la revendication 3, dans lequel la couche de scellé située sur le rabat (14, 20) est partiellement recouverte par la paroi opposée (12) du sac, avant que le sac soit fermé, de façon qu'un double scellé soit formé lors de la fermeture du sac.
  5. Sac selon l'une quelconque des revendications précédentes, comprenant en outre une bande amovible (36), qui recouvre la couche de scellé avant que le sac soit fermé.
  6. Sac selon l'une quelconque des revendications précédentes, dans lequel au moins une partie de la surface inverse (40) du rabat (20), opposée à celle qui porte la couche de scellé, est revêtue d'une couche de libération de silicone (38).
  7. Bande ou étiquette de scellé indiquant une altération comprenant:
    (a) un film de base (20), fait de matière plastique souple transparente ou translucide, ayant une surface traitée pour faciliter l'application d'une indication imprimée ; dans lequel:
    (b) un motif (30) est imprimé sur ladite surface traitée, en un acrylate de silicone transparent à haute libération ;
    (c) une couche d'encre opaque (32) est appliquée sur ledit motif ; et dans lequel
    (d) une couche de colle (34) est appliquée sur ladite couche d'encre opaque.
  8. Bande selon la revendication 7, comprenant en outre une autre couche "d'impression de dispersion" (50), qui est appliquée soit avant, soit après ladite couche d'encre opaque (32), dans une couleur faisant contraste, et avant application de ladite colle (34).
  9. Bande selon la revendication 7 ou la revendication 8, comprenant en outre une bande protectrice de silicone amovible (36), qui est appliquée sur ladite colle (34), et qui peut être enlevée de manière à permettre d'effectuer un scellé.
  10. Bande ou étiquette selon l'une quelconque des revendications 7 à 9, dans laquelle la surface inverse du film de base (20) opposée à celle qui porte la colle est traitée par une couche de libération de silicone (38).
  11. Sac comportant une fermeture comprenant la bande ou étiquette (64, 72) selon l'une quelconque des revendications 7 à 9.
  12. Sac selon la revendication 11, qui est formé en pliant une bande allongée de matière plastique (60, 70) d'un bout à l'autre de sa largeur, et en scellant ensemble à chaud les bords des longs côtés superposés, de manière à former une embouchure ouverte à une extrémité.
  13. Sac selon la revendication 12, dans lequel une impression de sûreté est appliquée le long desdits bords latéraux scellés.
EP90914230A 1989-09-18 1990-09-18 Conditionnement et scelle indiquant une alteration Expired - Lifetime EP0493465B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB898921108A GB8921108D0 (en) 1989-09-18 1989-09-18 Tamper indicating package
GB8921108 1989-09-18
PCT/GB1990/001432 WO1991004199A1 (fr) 1989-09-18 1990-09-18 Conditionnement indiquant une alteration

Publications (2)

Publication Number Publication Date
EP0493465A1 EP0493465A1 (fr) 1992-07-08
EP0493465B1 true EP0493465B1 (fr) 1996-11-27

Family

ID=10663261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90914230A Expired - Lifetime EP0493465B1 (fr) 1989-09-18 1990-09-18 Conditionnement et scelle indiquant une alteration

Country Status (9)

Country Link
EP (1) EP0493465B1 (fr)
AT (1) ATE145613T1 (fr)
AU (1) AU646815B2 (fr)
CA (1) CA2065420A1 (fr)
DE (1) DE69029272T2 (fr)
DK (1) DK0493465T3 (fr)
ES (1) ES2096593T3 (fr)
GB (1) GB8921108D0 (fr)
WO (1) WO1991004199A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6270256B1 (en) 1997-04-07 2001-08-07 Sealed Air Corporation Tamper evident bag

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2112396A1 (fr) * 1991-07-01 1993-01-21 Anthony James Murray Garwood Emballage ameliore a couvercle pelable
GB9203931D0 (en) * 1992-02-25 1992-04-08 Nmc Flexible Packaging Limited Tamper indicating packages
US5631068A (en) * 1994-08-02 1997-05-20 Trigon Packaging Corporation Self-containing tamper evident tape and label
NZ291083A (en) * 1994-08-02 1999-04-29 Sealed Air Corp Substituted Un Tamper evident seal: ink layer between strip and adhesive visibly delaminates upon seal forcing or cooling below breakdown temperature
US5660925A (en) * 1995-12-07 1997-08-26 Minnesota Mining And Manufacturing Company Tamper-indicating and authenticating label
FI100788B (fi) * 1995-12-18 1998-02-27 Amerplast Oy Tarranauha ja turvapussi
US5683029A (en) * 1996-04-24 1997-11-04 Ludlow Corporation Combination sealing and opening strip for packages
US5918983A (en) * 1996-11-08 1999-07-06 Control Paper Co., Inc. Security envelope
GB9721302D0 (en) 1997-10-07 1997-12-10 Britton Security Products Security bag
LT4440B (lt) 1998-03-30 1998-12-28 Jonas Algimantas Jurgauskas Fosfogipso perdirbimo į mineralinius užpildus būdas
GB9810359D0 (en) 1998-05-14 1998-07-15 Britton Security Products Coin & document bag
GB2346363A (en) * 1999-02-05 2000-08-09 Learoyd Packaging Ltd Security bag with a heat sensitive tamper evident seal
US6196716B1 (en) * 1999-04-26 2001-03-06 Amko Plastics Inc. Side seal tamper indicating bag
JP2002211625A (ja) 2001-01-18 2002-07-31 Giichi Takayama 飲食物容器
DE10120366A1 (de) * 2001-04-25 2002-10-31 Convenience Food Sys Wallau Kunststoffverpackung mit mindestens einer versiegelten Noppe
DE10245430A1 (de) * 2002-09-27 2004-04-08 Tesa Ag Originalitätssiegel
DE20314231U1 (de) * 2003-09-12 2005-01-20 B. Braun Melsungen Ag Verpackung insbesondere für medizinische Bedarfsartikel
EP1714895B1 (fr) 2005-04-18 2009-08-19 Kraft Foods R & D, Inc. Emballage, produit alimentaire emballé, matériau d'emballage, méthode à produire un matériau d'emballage ou à emballer un produit alimentaire
US9302821B2 (en) 2012-05-15 2016-04-05 Automated Packaging Systems Reclosable bag and methods of forming and using same
DE202013007985U1 (de) 2013-09-02 2013-12-18 Britton Decoflex Ltd. Beutel zum Transportieren von Proben
CN107379632B (zh) * 2017-07-28 2019-03-01 中山精诚塑胶制品有限公司 一种防伪塑料快递袋及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933304A (en) * 1974-02-22 1976-01-20 Decoflex Limited Bags for containing bank notes
US4718553A (en) * 1987-02-11 1988-01-12 Ivy Hill Corporation Tamper-evident packaging, method of making same, and intermediate therein
US4838708A (en) * 1988-03-07 1989-06-13 Minnesota Mining And Manufacturing Company Security deposit bag
US4998666A (en) * 1988-05-13 1991-03-12 Frederick R. Ewan Tamper indicating containers and seals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6270256B1 (en) 1997-04-07 2001-08-07 Sealed Air Corporation Tamper evident bag

Also Published As

Publication number Publication date
CA2065420A1 (fr) 1991-03-19
ES2096593T3 (es) 1997-03-16
ATE145613T1 (de) 1996-12-15
AU6415690A (en) 1991-04-18
DE69029272T2 (de) 1997-03-27
WO1991004199A1 (fr) 1991-04-04
DK0493465T3 (da) 1996-12-16
AU646815B2 (en) 1994-03-10
GB8921108D0 (en) 1989-11-01
EP0493465A1 (fr) 1992-07-08
DE69029272D1 (de) 1997-01-09

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