EP0959022A1 - Emballage avec joint décollable - Google Patents

Emballage avec joint décollable Download PDF

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Publication number
EP0959022A1
EP0959022A1 EP99303825A EP99303825A EP0959022A1 EP 0959022 A1 EP0959022 A1 EP 0959022A1 EP 99303825 A EP99303825 A EP 99303825A EP 99303825 A EP99303825 A EP 99303825A EP 0959022 A1 EP0959022 A1 EP 0959022A1
Authority
EP
European Patent Office
Prior art keywords
pack
seal
additional strip
peelable
upper regions
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.)
Withdrawn
Application number
EP99303825A
Other languages
German (de)
English (en)
Inventor
Ian William Mcdonald
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.)
Dairy Crest Ltd
Original Assignee
Dairy Crest 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 Dairy Crest Ltd filed Critical Dairy Crest Ltd
Publication of EP0959022A1 publication Critical patent/EP0959022A1/fr
Withdrawn legal-status Critical Current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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container 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
    • B65D77/2068—Means for reclosing the cover after its first opening
    • B65D77/2096—Adhesive means
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5855—Peelable seals
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container 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
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • 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
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing

Definitions

  • This invention relates to packs which are intended to be easy to open and to be provided with a peelable sealing lap, and which may have a design in register.
  • FIG. 2A, 2B and 2C of the accompanying drawings show, respectively, an A-A seal (outer surface to outer surface), a B-B seal (inner surface to inner surface), and an A-B seal (outer surface to inner surface). It will be appreciated that it is the B-B seal as shown in Figure 2B which can produce, on opening, a T-junction as shown in Figure 1B.
  • the A-B seal as shown in Figure 2C is a standard lap (overlap) and, depending on the nature of the A-B seal, can be peelable.
  • the layer of material could be formed from a laminate which could have, for example a polypropylene layer on the A side (outer surface), a polyethylene layer on the B side (inner surface), and a core of a nylon between the polypropylene and polyethylene. If desired additional layers could be present in the laminate. If desired, the laminate can be formed by coextrusion.
  • a polypropylene to polypropylene bond is not a strong bond; a polypropylene to polyethylene bond can be made to fuse together but, generally, is not a strong bond; and generally a polyethylene to polyethylene bond is very strong but, when using weaker bonding conditions, can be made peelable.
  • Figure 3A denotes a seal intended to be peelable
  • Figure 3B denotes a seal intended to be non-peelable
  • Figure 3C denotes the optional presence on a layer of an adhesive intended to be peelable which may be with or without a covering which serves as a protective layer to counter the effect of the adhesive until such time as any such covering is removed.
  • Figure 4A shows a folded side-seal pouch which is formed from a single sheet of material, suitably folded, and joined in a B-B seal along its opposing edges, the seal being peelable and being formed after filling of the pouch.
  • Figure 4B shows a pouch formed by two opposing sheets of material, the pouch being sealed along one edge region (the left hand edge in Figure 4B) with a non-peelable seal prior to filling of the pouch, and then being sealed subsequent to the filling, along the opposite edge region (the right hand edge region in Figure 4B) with a peelable seal.
  • Figure 4C shows a pack which includes a thermoformed tray open on its upper side but closed off by a sheet of material joined to the tray on its opposing edge regions, the seals on both sides being non-peelable.
  • All of the seals shown in Figures 4A, 4B and 4C are of the B-B type, and material which is potentially adhesive/tacky on one side only, such as is required for the formation of a B-B type seal, is generally cheaper than materials capable of forming a seal on both sides, i.e. A-B type seals.
  • FIG 6A there is shown, in cross-section, two parallel rows of trays 20, the open tops of the adjacent trays in any pair being covered by three sheets of material, namely the left hand sheet 21, the central sheet 22 and the right hand sheet 23.
  • the left hand sheet is sealed by a non-peelable seal 24 to the left hand edge of the left hand tray 20
  • the central sheet 22 is sealed by a non-peelable seal 25 to a bridge region between the two trays 20
  • the right hand sheet 23 is sealed by a non-peelable seal 26 to the right hand edge of the right hand tray 20.
  • a peelable seal 27 is provided between the left hand sheet 21 and the central sheet 22, and a peelable seal 28 is provided between the central sheet 22 and the right hand sheet 23.
  • a pack having a first upper region optionally having a pattern and an adjacent second upper region optionally bearing a pattern which is in register with any pattern of the first upper region, and the pack also having an openable peelable seal;
  • the seal between the additional strip and said one of the first and second upper regions of the pack is non-peelable.
  • the pack which is the subject of the present invention may be in the form of a folded side-sealed pouch, or in the form of a four-sided sealed pouch, or in the form of a covered thermoformed tray, but is not limited to these styles of pack.
  • the additional strip lies below both the first and second upper regions of the pack, i.e. is on the inside of those regions, the additional strip can be translucent, transparent or opaque, because it will not be visible until such time as the peelable seal is opened.
  • the additional strip prefferably overlie both the first and second upper regions of the pack, in which case it is desirable that it is translucent or transparent so that the or any patterned regions lying below the additional strip may be visible.
  • the overlying part of the additional strip is desirable for the overlying part of the additional strip to be translucent or transparent.
  • the additional strip is to lie below both the first and second upper regions of the pack, then only the inner surface of those regions need be potentially adhesive/tacky, which means that a generally cheaper sheet material can be employed, compared with the case where the additional strip is to overlie one or both of the first and second upper regions of the pack, which necessitates both the inner and outer surfaces of the first and second upper regions being formed of a potentially adhesive/tacky material, which requires the use of a more expensive starting material.
  • any tendency to depart from registration is small and can be controlled by normal photoelectric cell equipment.
  • a plurality of parallel rows of packs can be formed with each of the packs being in accordance with the present invention, and with the upper region of all of the packs being formed from the same master reel having a width corresponding to the combined widths of the packs, and with n slits being provided in the material being drawn from the master reel where n rows of packs are being formed.
  • an adhesive material can be provided in the region of the openable peelable seal so that, after the seal has been opened and some of the product removed from the pack, the pack can be re-sealed, and to this end the adhesive material might originally have been provided with a removable protective layer which, possibly, can automatically be removed when the seal is first opened.
  • FIG. 7A there is shown a left hand upper region 60L and a right hand upper region 60R both formed from the same master reel and, at the bottom of the pack, another portion 61 of the master reel.
  • the right hand upper portion 60R and the lower run 61 are joined at the right hand end by a non-peelable seal 62.
  • a slit 64 Between the right hand end of the left hand upper region 60L and the left hand end of the right hand upper region 60R is a slit 64, below which lies an additional strip 65 bonded at its left hand end by a non-peelable seal 66 to the left hand upper region 60L and bonded at its right hand end region by a peelable seal 67 to the right hand upper region 60R.
  • Figures 7B and 7C correspond to the arrangement shown in Figure 7A, with the components indicated by the reference numerals 70L, 70R, 71, 72 and 74 to 77 in Figure 7B, as well as the components indicated in Figure 7C by the reference numerals 80L, 80R, 81, 82 and 84 to 87 corresponding to the components indicated in Figure 7A by the reference numerals 60L, 60R, 61, 62 and 64 to 67.
  • the arrangements shown in Figures 7B and 7C additionally include non-peelable seals 73 and 83, respectively, at the left hand end of the arrangements.
  • the additional strip 65, 75 and 85 lies below both the left hand and right hand upper regions of the pack.
  • FIGS 8A, 8B and 8C Contrasting arrangements are shown in Figures 8A, 8B and 8C.
  • the left hand upper region is denoted by the reference numeral 90L
  • the right hand upper region is denoted by the reference numeral 90R.
  • the additional strip is denoted by the reference numeral 91 which lies below the left hand upper region 90L and lies above the right hand upper region 90R, it being secured in place by a non-peelable seal 94 to region 90L and by a peelable seal 95 to the region 90R.
  • an adhesive region 100 which optionally contains a removable protective layer.
  • the additional sheet 92 overlies the left hand upper region 90L and lies below the right hand upper region 90R, and is secured at its left hand end region by a peelable seal 96 to the left hand upper region 90L and by a peelable seal 97 to the right hand upper region 90R, there again being an adhesive region 100 optionally present.
  • Figure 8C shows an arrangement in which the additional sheet 93 overlies both the left hand upper region 90L and the right hand upper region 90R, the sheet 93 being secured by a non-peelable seal 98 to the region 90R and by a peelable seal 99 to the region 90L.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP99303825A 1998-05-15 1999-05-17 Emballage avec joint décollable Withdrawn EP0959022A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9810539 1998-05-15
GB9810539A GB2337243A (en) 1998-05-15 1998-05-15 Package with peelable seal and optional in register pattern

Publications (1)

Publication Number Publication Date
EP0959022A1 true EP0959022A1 (fr) 1999-11-24

Family

ID=10832185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99303825A Withdrawn EP0959022A1 (fr) 1998-05-15 1999-05-17 Emballage avec joint décollable

Country Status (2)

Country Link
EP (1) EP0959022A1 (fr)
GB (1) GB2337243A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009000331A1 (de) * 2009-01-20 2010-07-22 Robert Bosch Gmbh Schlauchbeutelverpackung für tafelförmiges Stückgut
CN105672828A (zh) * 2016-04-13 2016-06-15 董成祥 一种平开推拉门窗

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2801284B1 (fr) * 1999-11-23 2002-02-15 Danisco Flexible France Sachet d'emballage a ouverture refermable
ATE367980T1 (de) * 2001-08-28 2007-08-15 Kraft Foods R & D Inc Verpackung für lebensmittel und verfahren für das verpacken von lebensmitteln
CH701906B1 (de) * 2009-09-18 2013-07-15 Elag Verpackungen Ag Verpackungsbeutel.
US8650843B2 (en) 2011-02-04 2014-02-18 Alpma Alpenland Maschinenbau Gmbh Method of packaging products
UA113456C2 (xx) 2012-10-30 2017-01-25 Упаковка, що закривається повторно
CN111132907A (zh) * 2017-09-22 2020-05-08 陶氏环球技术有限责任公司 具有可调密封几何形状的可重新闭合封装体
TWI781221B (zh) 2017-09-22 2022-10-21 美商陶氏全球科技有限責任公司 用於可再閉合包裝之組合物及多層膜

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3700988A1 (de) * 1987-01-15 1988-07-28 Sengewald Karl H Verpackung aus thermoplastischer kunststoffolie
EP0298054A2 (fr) * 1987-07-02 1989-01-04 Sales S.p.A. Dispositif pour ouvrir et fermer des sachets scellés contenant des produits alimentaires en morceaux, en particulier des bonbons et produits similaires
CA1265104A (fr) * 1985-09-04 1990-01-30 Donald E. Beckett Emballage rescellable a temoin de viol
WO1991004920A1 (fr) * 1989-10-04 1991-04-18 Paxan Ab Recipient pouvant etre referme
EP0629561A2 (fr) * 1993-06-10 1994-12-21 Kraft Foods, Inc. Emballage pour produits alimentaires en tranches
EP0905048A1 (fr) * 1997-09-26 1999-03-31 Cryovac, Inc. Feuille composite formant un opercule de refermeture pour récipients

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1012398A (en) * 1963-05-07 1965-12-08 Ici Ltd Packages with tear means
DE3833939A1 (de) * 1988-10-05 1990-04-12 Jacobs Suchard Ag Vakuum-verpackung, verbundfolie zur herstellung einer vakuum-verpackung sowie verfahren zur herstellung derselben

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1265104A (fr) * 1985-09-04 1990-01-30 Donald E. Beckett Emballage rescellable a temoin de viol
DE3700988A1 (de) * 1987-01-15 1988-07-28 Sengewald Karl H Verpackung aus thermoplastischer kunststoffolie
EP0298054A2 (fr) * 1987-07-02 1989-01-04 Sales S.p.A. Dispositif pour ouvrir et fermer des sachets scellés contenant des produits alimentaires en morceaux, en particulier des bonbons et produits similaires
WO1991004920A1 (fr) * 1989-10-04 1991-04-18 Paxan Ab Recipient pouvant etre referme
EP0629561A2 (fr) * 1993-06-10 1994-12-21 Kraft Foods, Inc. Emballage pour produits alimentaires en tranches
EP0905048A1 (fr) * 1997-09-26 1999-03-31 Cryovac, Inc. Feuille composite formant un opercule de refermeture pour récipients

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009000331A1 (de) * 2009-01-20 2010-07-22 Robert Bosch Gmbh Schlauchbeutelverpackung für tafelförmiges Stückgut
CN105672828A (zh) * 2016-04-13 2016-06-15 董成祥 一种平开推拉门窗

Also Published As

Publication number Publication date
GB9810539D0 (en) 1998-07-15
GB2337243A (en) 1999-11-17

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