EP0183489A2 - A security bag - Google Patents

A security bag Download PDF

Info

Publication number
EP0183489A2
EP0183489A2 EP85308475A EP85308475A EP0183489A2 EP 0183489 A2 EP0183489 A2 EP 0183489A2 EP 85308475 A EP85308475 A EP 85308475A EP 85308475 A EP85308475 A EP 85308475A EP 0183489 A2 EP0183489 A2 EP 0183489A2
Authority
EP
European Patent Office
Prior art keywords
flap
bag
lip
adhesive
panel
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
EP85308475A
Other languages
German (de)
French (fr)
Other versions
EP0183489A3 (en
EP0183489B1 (en
Inventor
Peter John Wendon
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.)
Trigon Packaging Systems NZ Ltd
Original Assignee
Trigon Packaging Systems NZ 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 Trigon Packaging Systems NZ Ltd filed Critical Trigon Packaging Systems NZ Ltd
Priority to AT85308475T priority Critical patent/ATE55345T1/en
Publication of EP0183489A2 publication Critical patent/EP0183489A2/en
Publication of EP0183489A3 publication Critical patent/EP0183489A3/en
Application granted granted Critical
Publication of EP0183489B1 publication Critical patent/EP0183489B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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

  • the bags are therefore not tamper evident because, after having applied solvent to the adhesive of a bag to nullify the effect thereof and thereby open the bag, contents may be removed and the flap re-united with the opposite facing surface of the bag by means of fresh pressure sensitive adhesive subsequently applied to the flap and/or the portion of the surface subsequently covered by the flap.
  • a bag comprising front and rear panels one of which has an outwardly turned lip extending adjacent an opening of the bag and the other of which has a flap foldable onto the lip and pressure sensitive adhesive for uniting the flap to the lip and to an outer surface of the panel having the lip, the arrangement being such that, when the flap is peeled from the said outer surface, the lip remains united with the flap.
  • the adhesive may be provided in two portions wherein one of the portions is located so as to unite the flap with the lip and the other of the portions is located so as to unite the lip with the said outer surface of the panel having the lip.
  • the flap may be provided with a weakened portion.
  • the weakened portion may comprise a row of slits.
  • the flap may be provided with an extended portion adapted to be separated from the flap.
  • the material of the bag may be adapted to receive indicia.
  • the material may be adapted to receive indicia by having located thereon an indicia receiving zone extending from the flap to the extended portion.
  • the material may be a co-extruded thermoplastic material a surface of which is capable of receiving indicia thereon.
  • the flap may be a component additional to material comprising the panels.
  • a surface of the material may be treated with a substance for receiving a component having a pressure sensitive adhesive thereon for uniting with the surface.
  • a bag 10 comprising a sheet of synthetic plastics film material which is folded at 11 to provide a front panel 12 and a rear panel l3,the panels being welded one to another in spaced parallel side welds 14,15, extending at right angles to the fold 11.
  • the material is folded such that the front panel extends beyond the rear panel in a longitudinal direction of the side welds 14,15 to provide an extended portion 16, and the material is provided with a pair of spaced parallel rows of slits 17,18 extending transversely of the extended portion 16 and substantially parallel to the fold 11.
  • the portion extending from the row of slits 18 to an edge of the extended portion 16 remote from the fold 11 defines a tear off strip 19.
  • a portion of the rear panel 13 remote from the fold 11 is folded outwardly upon itself to provide a transversely extending lip 20 which is united with an outer surface of the rear panel 13 by pressure sensitive contact adhesive 21 extending transversely of the rear pane113.
  • the extended portion 16 has applied to a rear surface thereof a strip of pressure sensitive contact adhesive 22 which extends transversely of the extended portion 16 and in a direction from a location adjacent the fold of the lip 20 to a location adjacent the row of slits 18.
  • the adhesive 22 is covered by a backing strip 23, coated with a release substance, such as silicon, on a surface thereof which contacts the adhesive 22.
  • a front surface of the extended portion 16 has printed thereon two identical numbers 24,25 located on opposite sides of the row of slits 18.
  • the front surface of the extended portion 16 also has printed thereon a stripe 26 on which information can be written, the stripe 26 extending across the rows of slits 17,18.
  • articles are inserted in the bag 10 by, or under the supervision of, a person authorised to do so.
  • the authorised person signs his or her signature on the stripe 26 so that the signature extends across the rows of slits 17,18.
  • the tear off strip 19 is then severed from the remaining portion of the extended portion 16, along the row of slits 18 and the tear off strip 19, bearing a portion of the signature written on the stripe 26, is stored.
  • the remaining portion of the extended portion 16 extending beyond the lip 20 in a direction away from the fold 11 comprises a flap 27 bearing the adhesive 22 on a rear surface thereof and the backing strip 23 covering the adhesive 22.
  • the backing strip 23 is peeled from the adhesive 22 on the flap 27 thereby exposing the adhesive 22.
  • the flap 27 then is folded rearwardly onto the lip 20 with a result that the adhesive 22 on the flap 27 unites with the lip 20 whereby the flap 27 is sealed to the lip 20 and to the outer surface of the rear panel 13 thereby effecting closure of the bag 10 and enveloping the contents therein.
  • the bag 10 subsequently is opened by severing the material of the bag 10 in a direction substantially parallel and adjacent to the fold 11, as indicated in Figure 3.
  • the bond between the flap 27 and the lip 20 is greater than between the lip 20 and the outer surface of the rear panel 13.
  • differential bonding may be achieved by using three ply co-extruded plastics film material whereby the surfaces of the flap 27 and the lip 20 which will unite with one another provide a more substantial bond with the adhesive 22 than the opposite facing surface of the lip 20 and the rear panel 13 bonded by the adhesive 21.
  • the adhesives 21 and 22 may be different so as to provide differential bonding of the respective surfaces.
  • the bag 10 is resistant to application of solvent if used to attempt to open the bag 10 at the flap 27. If a solvent is deposited between the flap 27 and the adjacent outer surface of the rear panel 13, the solvent may neutralise the bonding effect of the adhesive 21 uniting the lip 20 with the remaining portion of the rear panel 13 but, due to the more effective bond between the flap 27 and the lip 20, the solvent will not break down the adhesive 22. In consequence, it may be possible, using a solvent, to peel the flap 27 from the outer surface of the rear panel 13 but such action would not result in opening of the bag 10.
  • a security bag in accordance with the present invention may be provided using different combinations of the features specified above.
  • a film material which is easily severed such as polyethylene
  • the material may be stored such that the slip additive migrates to the surface of the material which will constitute the outer surface of the rear panel 13 of bags 10 made from the material.
  • the surface embodies a greater percentage of slip additive than the opposite surface of the material which will receive the adhesive 22 which will unite the flaps 27 and the lips 20 of the respective bags 10.
  • the effectiveness of a bond between two surfaces united by adhesive varies inversely with the greater the percentage of slip additive present at the or each surface. In such a case, it is possible that the row of slits 17 may be omitted since the material is easily severable.
  • the row of slits 17 is likely to be necessary as is possible treatment of one or both of the opposite facing surfaces of the material such as by subjecting the material to electric corona discharge to ensure effective an/or differential bonding of the adhesive 21 and/or 22 with the surface or surfaces in contact therewith.
  • the tear off strip 19 and the stripe 26 provide added security features.
  • the tear off strip 19, in being provided with a number identical with the number on the bag, can be traced to identify the authorised person who signed the stripe 26 and removed the tear off strip 19.
  • the fact that a signature is written across the rows of slits 17,18 not only provides a security feature in that difficulty would be experienced in perfectly realigning portions of a signature in reconstituting the row of slits 17, but also a fraudulently prepared tear off stip 19 is unlikely to be perfectly matched with a bag 10 such that a portion of a signature on the fraudulently prepared tear off strip 19 would correspond with a portion of a signature on the bag 10.
  • the flap 27 having the tear off strip 19 may be an additional component which is united with the front panel 12 by means of adhesive or heat seal.
  • the flap 27 may be of transparent material and the tear off strip 19 may also be of transparent material.
  • an outer surface of the bag 10 may be treated with a substance for receiving a component, such as a postal stamp, having a pressure sensitive adhesive thereon for uniting with the surface.

Abstract

A security bag (10) comprises front and rear panels (12, 13) in which the front panel (12) is extended to provide a flap (27) adjacent an opening of the bag (10) and the rear panel (13) is provided with a lip (20) also adjacent the opening which unites with the rear panel (13) by means of adhesive (21). The flap (27) is provided with adhesive (22) and a line of weakening (17). When the flap (27) is folded onto the rear panel (13) and is united therewith by the adhesive (22), the flap (27) also unites with the lip (20) by means of the adhesive (22). Any attempt to open the bag (10) by lifting the flap (27) from the rear panel (13) results in severing of the material of the flap (27) along the line of weakening (17).

Description

  • It is known to provide security bags of synthetic plastics film material each comprising front and rear panels one of which has a flap which is foldable onto an outer surface of the other panel to close the bag and in which there is provided pressure sensitive contact adhesive for uniting the folded flap with the adjacent surface of the other panel.
  • It has been found that by carefully applying a solvent under the flap when bonded to the adjacent surface, the effect of the adhesive can be neutralised permitting the flap to be separated from the adjacent surface.
  • The bags are therefore not tamper evident because, after having applied solvent to the adhesive of a bag to nullify the effect thereof and thereby open the bag, contents may be removed and the flap re-united with the opposite facing surface of the bag by means of fresh pressure sensitive adhesive subsequently applied to the flap and/or the portion of the surface subsequently covered by the flap.
  • It is desirable, therefore, to provide a bag which cannot be opened without severing the material of the bag.
  • According to the present invention, there is provided a bag comprising front and rear panels one of which has an outwardly turned lip extending adjacent an opening of the bag and the other of which has a flap foldable onto the lip and pressure sensitive adhesive for uniting the flap to the lip and to an outer surface of the panel having the lip, the arrangement being such that, when the flap is peeled from the said outer surface, the lip remains united with the flap.
  • The adhesive may be provided in two portions wherein one of the portions is located so as to unite the flap with the lip and the other of the portions is located so as to unite the lip with the said outer surface of the panel having the lip.
  • The flap may be provided with a weakened portion.
  • The weakened portion may comprise a row of slits.
  • The flap may be provided with an extended portion adapted to be separated from the flap.
  • The material of the bag may be adapted to receive indicia.
  • The material may be adapted to receive indicia by having located thereon an indicia receiving zone extending from the flap to the extended portion.
  • The material may be a co-extruded thermoplastic material a surface of which is capable of receiving indicia thereon.
  • The flap may be a component additional to material comprising the panels.
  • A surface of the material may be treated with a substance for receiving a component having a pressure sensitive adhesive thereon for uniting with the surface.
  • Following is a description, by way of example only and with reference to the accompanying drawings, of one method of carrying the invention into effect.
  • In the drawings:-
    • Figure 1 is a diagrammatic perspective view of the rear of one embodiment of a bag in accordance with the present invention, the bag being in an open unused condition,
    • Figure 2 is a perspective view of the front of the bag when in an open unused condition, and
    • Figure 3 is a perspective view of the rear of the bag when in a closed condition.
  • Referring to the drawings, there is shown a bag 10 comprising a sheet of synthetic plastics film material which is folded at 11 to provide a front panel 12 and a rear panel l3,the panels being welded one to another in spaced parallel side welds 14,15, extending at right angles to the fold 11. The material is folded such that the front panel extends beyond the rear panel in a longitudinal direction of the side welds 14,15 to provide an extended portion 16, and the material is provided with a pair of spaced parallel rows of slits 17,18 extending transversely of the extended portion 16 and substantially parallel to the fold 11. The portion extending from the row of slits 18 to an edge of the extended portion 16 remote from the fold 11 defines a tear off strip 19.
  • A portion of the rear panel 13 remote from the fold 11 is folded outwardly upon itself to provide a transversely extending lip 20 which is united with an outer surface of the rear panel 13 by pressure sensitive contact adhesive 21 extending transversely of the rear pane113.
  • The extended portion 16 has applied to a rear surface thereof a strip of pressure sensitive contact adhesive 22 which extends transversely of the extended portion 16 and in a direction from a location adjacent the fold of the lip 20 to a location adjacent the row of slits 18. The adhesive 22 is covered by a backing strip 23, coated with a release substance, such as silicon, on a surface thereof which contacts the adhesive 22.
  • A front surface of the extended portion 16 has printed thereon two identical numbers 24,25 located on opposite sides of the row of slits 18. The front surface of the extended portion 16 also has printed thereon a stripe 26 on which information can be written, the stripe 26 extending across the rows of slits 17,18.
  • In use, articles are inserted in the bag 10 by, or under the supervision of, a person authorised to do so. The authorised person signs his or her signature on the stripe 26 so that the signature extends across the rows of slits 17,18. The tear off strip 19 is then severed from the remaining portion of the extended portion 16, along the row of slits 18 and the tear off strip 19, bearing a portion of the signature written on the stripe 26, is stored.
  • The remaining portion of the extended portion 16 extending beyond the lip 20 in a direction away from the fold 11 comprises a flap 27 bearing the adhesive 22 on a rear surface thereof and the backing strip 23 covering the adhesive 22.
  • The backing strip 23 is peeled from the adhesive 22 on the flap 27 thereby exposing the adhesive 22.
  • The flap 27 then is folded rearwardly onto the lip 20 with a result that the adhesive 22 on the flap 27 unites with the lip 20 whereby the flap 27 is sealed to the lip 20 and to the outer surface of the rear panel 13 thereby effecting closure of the bag 10 and enveloping the contents therein.
  • The bag 10 subsequently is opened by severing the material of the bag 10 in a direction substantially parallel and adjacent to the fold 11, as indicated in Figure 3.
  • If an attempt is made to open the bag 10 by lifting the flap 27 from the outer surface of the rear panel 13 the dual adhesive bonding of the flap 27 with the lip 20 and of the lip 20 with the outer surface of the rear panel 13, enhances resistance to the lifting force with a result that the material of the bag 10 bridging the slits of the row 17 is severed.
  • Since it is difficult to align the material of the bag 10 to reconstitute the row of slits 17, any attempt to replace the severed portion of the flap 27 after pilferage of the contents of the bag would be apparent.
  • Preferably, however, the bond between the flap 27 and the lip 20 is greater than between the lip 20 and the outer surface of the rear panel 13.
  • If, therefore, the flap 27 is lifted from the outer surface of the rear panel 13, the lifting action still would not result in peeling of the flap 27 from the lip 20 and opening of the bag 10. Such differential bonding may be achieved by using three ply co-extruded plastics film material whereby the surfaces of the flap 27 and the lip 20 which will unite with one another provide a more substantial bond with the adhesive 22 than the opposite facing surface of the lip 20 and the rear panel 13 bonded by the adhesive 21. Alternatively, the adhesives 21 and 22 may be different so as to provide differential bonding of the respective surfaces.
  • Apart from being resistant to a force lifting the flap 27 from the outer surface of the rear panel 13, the bag 10 is resistant to application of solvent if used to attempt to open the bag 10 at the flap 27. If a solvent is deposited between the flap 27 and the adjacent outer surface of the rear panel 13, the solvent may neutralise the bonding effect of the adhesive 21 uniting the lip 20 with the remaining portion of the rear panel 13 but, due to the more effective bond between the flap 27 and the lip 20, the solvent will not break down the adhesive 22. In consequence, it may be possible, using a solvent, to peel the flap 27 from the outer surface of the rear panel 13 but such action would not result in opening of the bag 10.
  • It will be appreciated that a security bag in accordance with the present invention may be provided using different combinations of the features specified above. For example, a film material which is easily severed, such as polyethylene, may be used with a slip additive. The material may be stored such that the slip additive migrates to the surface of the material which will constitute the outer surface of the rear panel 13 of bags 10 made from the material. In consequence, the surface embodies a greater percentage of slip additive than the opposite surface of the material which will receive the adhesive 22 which will unite the flaps 27 and the lips 20 of the respective bags 10. The effectiveness of a bond between two surfaces united by adhesive varies inversely with the greater the percentage of slip additive present at the or each surface. In such a case, it is possible that the row of slits 17 may be omitted since the material is easily severable.
  • Alternatively, if stronger material is used or material which comprises a plurality of layers of different characteristics is used, the row of slits 17 is likely to be necessary as is possible treatment of one or both of the opposite facing surfaces of the material such as by subjecting the material to electric corona discharge to ensure effective an/or differential bonding of the adhesive 21 and/or 22 with the surface or surfaces in contact therewith.
  • It will also be appreciated that the tear off strip 19 and the stripe 26 provide added security features. The tear off strip 19, in being provided with a number identical with the number on the bag, can be traced to identify the authorised person who signed the stripe 26 and removed the tear off strip 19. Furthermore, the fact that a signature is written across the rows of slits 17,18 not only provides a security feature in that difficulty would be experienced in perfectly realigning portions of a signature in reconstituting the row of slits 17, but also a fraudulently prepared tear off stip 19 is unlikely to be perfectly matched with a bag 10 such that a portion of a signature on the fraudulently prepared tear off strip 19 would correspond with a portion of a signature on the bag 10.
  • Furthermore, it will be appreciated that the flap 27 having the tear off strip 19 may be an additional component which is united with the front panel 12 by means of adhesive or heat seal. The flap 27 may be of transparent material and the tear off strip 19 may also be of transparent material.
  • It will also be appreciated that an outer surface of the bag 10 may be treated with a substance for receiving a component, such as a postal stamp, having a pressure sensitive adhesive thereon for uniting with the surface.

Claims (10)

1. A bag (10) comprising front and rear panels (12,13) one (12) of which has a flap (27) foldable onto the other panel (13) and pressure sensitive adhesive (21,22) for uniting the flap (27) with the other panel (13) characterised in that the other panel (13) is provided with an outwardly turned lip (20) extending adjacent the flap (27) whereby, when the flap (27) unites with the other panel (13),the flap (27) also unites with the lip (20) and, when the flap (27) is peeled from the other panel (13), the lip (20) remains united with the flap 27.
2. A bag (10) as claimed in Claim 1 characterised in that the adhesive (21,22) is provided in two portions, one of the portions (22) being located so as to unite the flap (27) with the lip (20) and the other of the portions (21) being located so as to unite the lip (20) with the other panel (13).
3. A bag (10) as claimed in Claim 2 characterised in that at least one of the panels (12) is provided with a weakened portion (17,18).
4. A bag (10) as claimed in Claim 3 characterised in that the weakened portion (17,18) comprises a row of slits.
5. A bag (10) as claimed in any one of the preceding claims characterised in that the flap (27) is provided with an extended portion (19) adapted to be separated from the flap (27).
6. A bag (10) as claimed in any one of the preceding claims characterised in that material of the bag (10) is adapted to receive indicia (24,25,26).
7. A bag (10) as claimed in Claim 6 characterised in that the material is adapted to receive indicia by having located thereon an indicia receiving zone (26) extending from the flap (27) to the extended portion (19).
8. A bag (10) as claimed in any one of the preceding claims characterised in that material of the bag (10) is co-extruded thermoplastic material a surface of which is capable of receiving indicia (24,25,26) thereon.
9. A bag(10) as claimed in any one of the preceding claims characterised in that a surface of material of the bag is treated with a substance for receiving a component having a pressure sensitive adhesive thereon for uniting with the surface.
10. A bag (10) as claimed in any one of the preceding claims characterised in that the flap (27) is a component additional to material comprising the panels (12,13).
EP85308475A 1984-11-23 1985-11-21 A security bag Expired - Lifetime EP0183489B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85308475T ATE55345T1 (en) 1984-11-23 1985-11-21 SECURITY BAG.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848429626A GB8429626D0 (en) 1984-11-23 1984-11-23 Security bag
GB8429626 1984-11-23

Publications (3)

Publication Number Publication Date
EP0183489A2 true EP0183489A2 (en) 1986-06-04
EP0183489A3 EP0183489A3 (en) 1987-12-09
EP0183489B1 EP0183489B1 (en) 1990-08-08

Family

ID=10570161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85308475A Expired - Lifetime EP0183489B1 (en) 1984-11-23 1985-11-21 A security bag

Country Status (7)

Country Link
EP (1) EP0183489B1 (en)
JP (1) JPS61178847A (en)
AT (1) ATE55345T1 (en)
AU (1) AU588260B2 (en)
CA (1) CA1267384A (en)
DE (1) DE3579120D1 (en)
GB (2) GB8429626D0 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733817A (en) * 1987-02-05 1988-03-29 Makowka Kenneth R Envelope system with multiple pockets
EP0405995A2 (en) * 1989-06-30 1991-01-02 Oscar Mayer Foods Corporation Tamper-evident, flexible, reclosable packages
US5077001A (en) * 1988-11-21 1991-12-31 Makowka Kenneth R Tamper-evident sealing system for envelope having special characteristics and method of making same
GB2259496A (en) * 1991-09-13 1993-03-17 Gersan Ets Security package
FR2699505A1 (en) * 1992-12-23 1994-06-24 Schisler Cie Europ Emballages Soft security bag.
US5391136A (en) * 1988-11-21 1995-02-21 Makowka; Kenneth R. Tamper-evident sealing system for envelope and method of making same
FR2764866A1 (en) * 1997-06-20 1998-12-24 Decomatic Sa Sealing device guaranteeing authenticity of envelope and its contents, especially for confidential documents
EP0965532A1 (en) * 1998-05-22 1999-12-22 Britton Security Packaging Limited Multiple Use Security Bag
EP1918228A1 (en) * 2005-04-12 2008-05-07 Sunny Co., Ltd. Transportation method and slip for transportation
US10106297B2 (en) * 2016-12-29 2018-10-23 Inteplast Group Corporation Reclosable bag with header

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720040A (en) * 1986-12-19 1988-01-19 Gurewitz Richard M Security deposit bag
GB8722623D0 (en) * 1987-09-25 1987-11-04 Doboy Ltd Bag sealing arrangement
US4941196A (en) * 1988-11-01 1990-07-10 Kcl Corporation Tamper evident bag
US5108194A (en) * 1991-01-07 1992-04-28 Raden David T Security bag
US5318364A (en) * 1992-10-28 1994-06-07 Raden David T Security bag
CA2123247A1 (en) * 1993-05-13 1994-11-14 Harry I. Roccaforte Multi-use envelope
IES71188B2 (en) * 1995-11-13 1997-02-12 Datablend Limited Improvements in and relating to envelopes
US6139184A (en) * 1999-07-23 2000-10-31 Meldon; Ben Security storage container
US6446861B1 (en) * 2000-10-05 2002-09-10 Robert F. Smith Envelope for controlling and identifying access to the contents and a method of use

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1448429A (en) * 1920-08-26 1923-03-13 Thomas F Bradley Double-seal envelope
GB2032882A (en) * 1978-09-29 1980-05-14 Franko Plastics Ltd Bags
GB2051003A (en) * 1979-05-16 1981-01-14 Drg Uk Ltd Security bag
US4483018A (en) * 1981-02-09 1984-11-13 Impakt Products, Inc. High integrity tamper resistant container

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU523051B2 (en) * 1978-12-15 1982-07-08 Arvey Corporation Contaminant proof seal
DE2934673A1 (en) * 1979-08-28 1981-03-12 Brdr. Schur International A/S, Horsens BAG PACK FOR AROMATIZED FILLING GOODS AND METHOD FOR PRODUCING THE PACK.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1448429A (en) * 1920-08-26 1923-03-13 Thomas F Bradley Double-seal envelope
GB2032882A (en) * 1978-09-29 1980-05-14 Franko Plastics Ltd Bags
GB2051003A (en) * 1979-05-16 1981-01-14 Drg Uk Ltd Security bag
US4483018A (en) * 1981-02-09 1984-11-13 Impakt Products, Inc. High integrity tamper resistant container

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201633A (en) * 1987-02-05 1988-09-07 Kenneth Robert Makowka Security envelope system
GB2201633B (en) * 1987-02-05 1991-02-27 Kenneth Robert Makowka Envelope system
US4733817A (en) * 1987-02-05 1988-03-29 Makowka Kenneth R Envelope system with multiple pockets
US5391136A (en) * 1988-11-21 1995-02-21 Makowka; Kenneth R. Tamper-evident sealing system for envelope and method of making same
US5077001A (en) * 1988-11-21 1991-12-31 Makowka Kenneth R Tamper-evident sealing system for envelope having special characteristics and method of making same
EP0405995A2 (en) * 1989-06-30 1991-01-02 Oscar Mayer Foods Corporation Tamper-evident, flexible, reclosable packages
EP0405995A3 (en) * 1989-06-30 1991-07-31 Oscar Mayer Foods Corporation Tamper-evident, flexible, reclosable packages
GB2259496A (en) * 1991-09-13 1993-03-17 Gersan Ets Security package
FR2699505A1 (en) * 1992-12-23 1994-06-24 Schisler Cie Europ Emballages Soft security bag.
FR2764866A1 (en) * 1997-06-20 1998-12-24 Decomatic Sa Sealing device guaranteeing authenticity of envelope and its contents, especially for confidential documents
EP0965532A1 (en) * 1998-05-22 1999-12-22 Britton Security Packaging Limited Multiple Use Security Bag
EP1918228A1 (en) * 2005-04-12 2008-05-07 Sunny Co., Ltd. Transportation method and slip for transportation
EP1918228A4 (en) * 2005-04-12 2010-09-22 Sunny Co Ltd Transportation method and slip for transportation
US10106297B2 (en) * 2016-12-29 2018-10-23 Inteplast Group Corporation Reclosable bag with header

Also Published As

Publication number Publication date
ATE55345T1 (en) 1990-08-15
EP0183489A3 (en) 1987-12-09
GB2167381B (en) 1989-04-05
GB8528653D0 (en) 1985-12-24
CA1267384A (en) 1990-04-03
AU588260B2 (en) 1989-09-14
DE3579120D1 (en) 1990-09-13
EP0183489B1 (en) 1990-08-08
AU5028785A (en) 1986-05-29
GB2167381A (en) 1986-05-29
GB8429626D0 (en) 1985-01-03
JPS61178847A (en) 1986-08-11

Similar Documents

Publication Publication Date Title
EP0183489B1 (en) A security bag
US6196716B1 (en) Side seal tamper indicating bag
CA1330330C (en) Tamper-evident seal for envelope and method of making same
CA1334955C (en) Tamper-evident sealing system for envelope and method of making same
EP0403532B1 (en) Security deposit bag
US5077001A (en) Tamper-evident sealing system for envelope having special characteristics and method of making same
US4733817A (en) Envelope system with multiple pockets
EP0515086B1 (en) Security bags and sealing means
AU646815B2 (en) Tamper indicating package
US5312680A (en) Tamper-revealing sealing device for packaged documents
US5620256A (en) Tamper evident security bag
US5399021A (en) Credit card holder
GB2032882A (en) Bags
US6723408B2 (en) Resealable envelope
CN110214115A (en) Reclosable packing list bag
US5318364A (en) Security bag
EP0393841B1 (en) Tamper evident envelope
EP0259068A1 (en) Improvements in or relating to containers
GB2202823A (en) Improvements in or relating to containers
NZ214302A (en) Plastics bag with pressure-sensitive adhesive to seal closure flap against lip edge
JPH047073Y2 (en)
CA1338065C (en) Tamper-evident sealing system for envelope and method of making same
JPH0423795Y2 (en)
GB2388812A (en) Tamper seal for a packaging product
JPS6252056A (en) Structure of sealing section of package

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE FR IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR IT LI LU NL SE

17P Request for examination filed

Effective date: 19880607

17Q First examination report despatched

Effective date: 19890213

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR IT LI LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19900808

Ref country code: NL

Effective date: 19900808

Ref country code: LI

Effective date: 19900808

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 19900808

Ref country code: FR

Effective date: 19900808

Ref country code: CH

Effective date: 19900808

Ref country code: BE

Effective date: 19900808

Ref country code: AT

Effective date: 19900808

REF Corresponds to:

Ref document number: 55345

Country of ref document: AT

Date of ref document: 19900815

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3579120

Country of ref document: DE

Date of ref document: 19900913

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19901130

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

EN Fr: translation not filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19910801