WO1987005881A1 - Feuille d'emballage pour livres et autres objets - Google Patents

Feuille d'emballage pour livres et autres objets Download PDF

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Publication number
WO1987005881A1
WO1987005881A1 PCT/SE1987/000171 SE8700171W WO8705881A1 WO 1987005881 A1 WO1987005881 A1 WO 1987005881A1 SE 8700171 W SE8700171 W SE 8700171W WO 8705881 A1 WO8705881 A1 WO 8705881A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
adhesive
packaging material
adhesive layer
intended
Prior art date
Application number
PCT/SE1987/000171
Other languages
English (en)
Inventor
Stellan Ragnar Sigfrid Nicander
Original Assignee
Dalwell Ab
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 Dalwell Ab filed Critical Dalwell Ab
Publication of WO1987005881A1 publication Critical patent/WO1987005881A1/fr

Links

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
    • 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
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks

Definitions

  • the present invention relates to a packaging material of the kind set forth in the preamble of claim 1.
  • Such packaging materials are known to the art, and comprise one or more sheets of board material, for exam ⁇ ple double-faced corrugated board or similar board con ⁇ figurations which incorporate flexural strength enhancing elements and which are intended to be folded in a manner to enclose, either fully or partially, the item or items to be packed, said material comprising an outermost sheet having a free end which is intended to be affixed to a sheet forming part of the 'packaging material.
  • Packaging materials of this kind are used for a large number of different products.
  • the packaging material may be used to package one or more books which are to be sent by post. It is often essential that pack ⁇ aging can be effected rapdily and with but a few packag ⁇ ing stages, since such packaging is normally carried out manually.
  • One stage of the packaging process which normally takes a relatively long time to complete is that of securing the various sheets in a manner which will ensure that the package will remain intact when handled and transported etc.
  • Known packaging techniques primar ⁇ ily rely on the use of string or tape, or possibly the separate application of an adhesive to the various sheet surfaces when sealing the package, which adhesive must be allowed to dry.
  • US-A 4 322 028 illustrates a packaging material comprising a first sheet of paperboard, the long side-edges of which are folded over and affixed to the major part of the sheet. Two mutually overlapping further sheet-flaps are inserted and bonded between the respective long side-edge and the major part of the sheet.
  • this known packaging material will thus have a triple material thickness in the central region thereof.
  • One short side of the main sheet-part and one of the sheet-flaps have provided thereon a securing or sealing device in the form of a double-sided adhesive tape.
  • the main sheet and the sheet-flaps present a plurality of folds or fold-lines which facilitate folding of the pack- aging material when packaging an article.
  • the second sheet-flaps When packaging an article, the second sheet-flaps are folded up and then down again around the article, where ⁇ after the flaps are fastened together by means of the double-acting tape.
  • the sheet-flaps are therewith folded in a Z-shape configuration in two directions. The main part of the sheet is then folded around the article and fastened with the aid of the double-acting tape.
  • This packaging material exhibits a number of drawbacks ⁇ For example, it is difficult and time consuming to produce the first Z-fold in the correct position on the flaps with no play or clearance . Furthermore, a Z-fold will not provide a stable structure, i.e. a structure in which the Z-fold will not be moved and deformed when subjected to heavy impact by the packaged article. Such movement or deformation of the Z-fold results in considerable clearance between the article and the packaging material therearound, such that the packaging material is liable to be damaged or ruptured in the event of repeated heavy handling.
  • the use of double-acting adhesive tape means that the tape must be covered with a protective paper strip in order to prevent the packaging materials from adhering one to the other during storage.
  • the packaging material has a triple material thickness at the centre thereof and solely a double ma ⁇ terial thickness at its ends (the inwardly folded long sides) in the flattened storage state of the packaging material, the packaging material is unnecessarily bulky in storage and forms unstable stacks, which limits the height to which the packaging materials can be stacked.
  • the object- of the present invention is to provide pack- aging material with which the drawbacks encountered with the previously known technique are avoided at least in part and which enables an article to be embraced on all sides thereof and which includes sealing means which will enable packaging material to be stacked one upon the other without requiring separate measures to be taken to prevent the material from sticking one to the other and which will enable respective parts of the packaging material to be fastened to one another immediately as the article is packaged or wrapped.
  • a further object is to provide a packaging material which will enable packaging to be readily effected manually on a large scale such as to enable the package to be sealed rapidly in a durable manner.
  • Still another object of the invention is to pro ⁇ vide a packaging material which in its flat storage state comprises but a single material layer in the absence of variations in height over the various parts of said layer.
  • the invention is characterized in that the free end of the packaging material intended to be folded-up around an article to be packaged, and an attachment part intended to co-act with said free end each have provided thereon a pre-formed adhesive layer, the properties of the adhesive layers being such that said layers will adhere to one another but not substantially to the sheet material of the packaging material.
  • This enables a multiplicity of such packaging material to be stacked one upon the other without needing to provide separate means for preventing the blanks from sticking together.
  • the packaging material according to US-A 4 322 028 has no correspondence with the present invention, since this known packaging material relies on an adhesive layer pro ⁇ vided on solely one of the two surfaces to be bonded to ⁇ gether.
  • This adhesive layer must therefore, of necessity, be covered with a strip of protective paper, or some like device, to prevent the packaging materials from fastening one to the other during storage.
  • the removal of such pro ⁇ tective paper strips naturally consumes further valuable time and incurs additional costs, which are not found when using a packaging material according to the present inven ⁇ tion.
  • the invention thus provides a significant step for- wards in the art and also affords important economic ad ⁇ vantages over prior art techniques.
  • the packaging material comprises a sheet of material which is divided into two sections by means of two mutually opposing slots, which sections can be raised from a mutually adjacent storage position and folded to a mutually crossing packaging position.
  • the two sheet parts are folded firmly around the article in two directions. In this way the article is wrapped tightly in the package, in the absence of any clearance, thereby avoiding risk of the article shifting within the package and causing damage thereto during, for instance, its transit by post.
  • the packaging material will also take up the minimum of space in storage, since it comprises but a single thickness of material.
  • Figure 1 is a cross-sectional view of a corrugated board section, as seen in the longitudinal direction of the strength-enhancing elements;
  • Figure 2 illustrates schematically a first embodiment of a packaging material according to the invention in its flat state, the view being shown perpendicular to the plane of the sheet incorporated in the packaging material, said sheet having no adhesive layer provided thereon;
  • Figure 3 illustrates the packaging material of Figure 2 in a position ready for packaging
  • Figure 4 illustrates the packaging material of Figure 3 seen from the right in said Figure
  • Figure 5 illustrates the packaging material of Figure 4 when seen from underneath in said Figure and prior to folding the outermost sheet portions
  • Figure 6 illustrates the packaging material of Figure 5 upon completion of folding and sealing operations
  • Figure 7 illustrates a second embodiment of the invention which is similar to the first embodiment shown in Figure 2 and which is illustrated in the same view as said Figure;
  • Figure 8 is a view similar to that of Figure 2 of a third embodiment of a packaging material according to the in ⁇ vention.
  • Figure 1 illustrates a packaging blank or packaging ma ⁇ terial comprising a sheet of corrugated board 1 or the like, having strength-enhancing elements such as mutually parallel ridges 2 and intermediate grooves 3.
  • the sheet of corrugated board is intended to be folded in a manner to embrace snuggly one or more items of goods, either totally or partially, for the purpose of producing a package.
  • the sheet presents to this end an outermost part or panel having a free end which is intended to be fastened to a further sheet-part or panel of the packaging material, i.e. an attachment part, for package sealing purposes.
  • the packag ⁇ ing material comprises one single sheet of substantially rectangular configuration having formed therein two mutu ⁇ ally opposing slots 4, 5, each of which extends from a respective one of two mutually opposing sides 6, 7 of the sheet 1, such as to form two mutually adjacent sheet parts 8, 9. Extending at an angle from the ends of the slots
  • the sheet parts 8, 9 are mutually joined by a substantially tongue ⁇ like part 10 which is formed with the aid of the slots 4a, 5a and which lies therebetween and which part 10 , preferably through the agency of fold lines 11, 12 or the like in said sheet 1 , is operative in permitting the sheet parts 8, 9 to swing relative to one another from a first position ( Figure 2) in which the sheet parts 8, 9 lie flat in the plane of the sheet 1 and extend parallel with one another, to a second position ( Figure 3) in which the sheet parts extend substantially perpendicularly to ⁇ wards one another and are arranged plane-parallel, the one upon the other, as shown in Figure 4.
  • the reference 1' identifies an article to be packeted (shown in chain lines) such as a book, which is placed in the upper part 8, of the sheet part 8, 9 of the thus arranged sheet 1, Figure 4.
  • the article can then be folded by firstly the upper sheet part 8 and then by the other sheet part 9, as illustrated schematically in Figures 4-6.
  • the angular slots 4a, 5a and the fold lines may be located at different angular positions.
  • the blind end of one oblique slot 4a connects with a fold line 11 at an angle of 90 thereto.
  • the packaging material is formed so as to include an outermost sheet part which, through its one side 9", intended to form the inner side 9", preferably in conjunc ⁇ tion with a free end 9' of the outermost sheet part, which in this case forms the major part of the sheet part 9, is intended to be fastened to a further sheet part 9"' of the packaging material.
  • This further sheet part is referred to hereinafter as the attachment sheet part 9"' and includes the free end of the sheet part 9 opposite the end 9 ' .
  • the outermost part is herewith intended to be fastened to the attachment part 9" : by means of a pre-formed adhesive layer active between the aforesaid inside surface 9" and the attachment part 9"'. This adhesive layer is activated when sealing the packaging material, so as to secure the inside surface 9" to the aforesaid attachment part.
  • the pre-formed adhesive layer comprises two part layers 13, 14 of so-called cold sealing adhesive, of which part layers a first layer 13 is applied to the inside surface 9" and a second layer 14 is applied to the attachment part 9'", the nature of each adhesive layer 13, 14 of this embodiment being such that each said layer will adhere to another corresponding layer of es ⁇ sentially the same kind of adhesive but will not adhere generally to the paperboard or like sheet material.
  • the sheet part 8 illustrated in Figures 2 and 3 may also advantageously present a free end 8 ' having an inner sur ⁇ face 8" on which a first layer 13' of adhesive is applied, and an attachment part 8"' to which a second adhesive layer 14' is applied.
  • the sheet part 8 can then be used as a first turn of wrapping to enclose the article 1 ' in one wrapping direction, and the sheet part 9 can be used as a second turn of wrapping in another wrapping direction, so as to enclose the article snuggly in the absence of any clearance between the article and the outer wrappings, in all directions.
  • the pre-formed adhesive layer comprises a selfadhesive strip or the like, refer ⁇ enced 16 in Figure 1.
  • the strip is firmly attached to the inner surface 9" or the attachment part 9 of the sheet part 9, and in addition to an adhesive layer 17 also in ⁇ cludes a paper protective strip 18 or the like, which is removed when securing the sheet parts together, the ad- hesive strip 16 preferably being a so-called double-sided adhesive tape.
  • the adhesive strip 16 presents an upper adhesive layer and a lower adhesive layer, where the adhesive of one layer is different from the adhesive of the other layer, the lower or bottom adhesive layer being intended to bond the strip 16 permanently to the sheet 1 , and the upper or top ad ⁇ hesive layer being intended for bonding co-action with a further adhesive layer and not with the sheet 1.
  • the free end 9' and the attach ⁇ ment part 9 1 form part of one and the same sheet of paper- board and are intended to overlap each other in their erected package form, as illustrated in Figure 6.
  • layers of cold sealing adhesive are provided on both sides of the sheet 1 , such as to form a bond when sealing the package, these adhesive layers being so located as to enable similar sheets to be stacked one upon the other in overlapping relationship, without the adhesive layer of one sheet being in contact with the adhesive layer of another sheet.
  • Figure 8 illustrates a somewhat simpler arrangement than that aforedescribed, namely a sheet intended for a so- called cross-bond, i.e. a bond which includes two mutually separate parts corresponding to sheet parts 8, 9 and in which at least one outermost sheet part according to Figure
  • the mutual positioning and configuration of the layers 13, 1 will depend on the use for which the packaging material is intended. If the packaging material is intended for re ⁇ petitive packaging purposes, i.e. a multiplicity of pack ⁇ ages containing similar articles, only two corresponding adhesive layers 13, 14 need be accurately positioned. If on the other hand, the packaging material is to be used to package a large variety of articles, the material must be given a configuration which will afford flexibility with regard to package sealing possibilites. To this end, a multiple of adhesive layers 13, 14 may be located ad- jacent one another, as shown in Figure 3. Alternatively, single, broad adhesive layers may be applied. In the em ⁇ bodiment of Figure 3, the adhesive layers 13, 14 extend parallel with the mutually opposite sides 6 and 7 of the sheet part 9.
  • the two layers of adhesive 13 and 14 may be located at right angles to the sides 6 and 7 of the sheet part 9, i.e. perpendicular to the lines along which the sheet 1 is folded when forming the package, these fold lines normally extending parallel with the long axis of the strength-enhancing elements or flutes 2, 3.
  • the manner in which the packaging material according to the invention functions will be understood from the afore ⁇ going.
  • the cold-sealing adhesive layers 13, 14 enable the package to be sealed effectively without requiring sepa- rate steps to be taken herefor.
  • the embodi ⁇ ment which incorporates the selfadhesive strip or strips 16 all that is required is the removal of the protective covering strip 18 or the like.
  • the material can be stacked together, without one packaging material adhering to the other.
  • inventive packaging material also affords important advantages over the prior art techniques. Sealing Of the package is effected with ⁇ out needing to take special measures herefor, or at least only extremely simple measures.
  • At least one of the layers 13, 14 of cold- sealing adhesive may be applied in a number of mutually spaced locations, i.e. the glue regions in a spot lattice, this enables a large area to be covered while providing an effective adhesive layer 13, 14 with a relatively small amount of adhesive.
  • Packaging materials which differ essentially from the packaging materials illustrated in Figures 2-7 are also conceivable.
  • the upper sheet part 8, which thus forms the inner sheet part 8 of the package is also provided with an adhesive layer 13', 14' which has the same function as the adhesive layers 13, 14 and the location of which is adapted to the type of package to be produced, in a readily perceived manner as illustrated in Figures 3, 4, 7 and 8.
  • the layers 13', 14' may be replaced with an adhesive tape 16 or the like.
  • the cold-sealing adhesive may comprise a natural latex admixed with polymeric material, the resultant adhesive properties of the adhesive depending upon the polymer addition. The properties of the adhesive may be such as to enable the package to be re-sealed or such as to render it impossible to open the package with ⁇ out destroying the packaging material.
  • the sheet-parts or panels 8 and 9 of the packaging material may have a number of al ⁇ ternative fold lines provided therein, such as to enable the blank to be erected around articles of any size, or with single fold lines for a given type of article whose dimensions correspond to the orientation and location of said fold lines.
  • the sheet parts are suitably stored in mutually different bundles and not brought together until needing to be used.
  • This enables respective sheet parts to be provided with an adhesive layer 19, 20 for holding the sheet parts together during a packaging operation.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Abstract

Le matériau d'emballage ci-décrit comprend une ou plusieurs feuilles (1) en carton, notamment du carton ondulé ou un carton de configuration analogue pourvu d'éléments améliorant la résistance à la flexion, tels que des ondulations à cannelures. La/ou lesdites feuilles est/sont destinée/s à être pliée/s de façon à envelopper totalement ou partiellement un ou plusieurs objets (1') devant être emballés, le matériau d'emballage comprenant une partie de feuille externe pourvue d'une extrémité libre (9') destinée à être fixée à une autre partie de feuille (9''') servant de partie d'attache, pour fermer hermétiquement l'emballage. La surface interne (9'') de l'extrémité libre (9') est munie d'une première couche adhésive (13) destinée à être mise en contact avec une seconde couche adhésive correspondante (14) de la partie d'attache (9'''). La couche adhésive (13, 14) est conçue de telle sorte que les couches adhèrent l'une à l'autre mais ne puissent pas adhérer au matériau en feuille. La feuille (1) est avantageusement divisée en deux parties (8, 9) par des fentes, les deux parties de feuille étant maintenues l'une contre l'autre par une languette (10) présentant des lignes de pliage (11, 12). En pliant la languette le long des lignes de pliage, on peut faire passer les parties de feuille (8, 9) d'une position de stockage, dans laquelle elles sont adjacentes l'une à l'autre, à une position d'utilisation où elles se croisent perpendiculairement l'une sur l'autre.
PCT/SE1987/000171 1986-04-04 1987-04-02 Feuille d'emballage pour livres et autres objets WO1987005881A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8601526-0 1986-04-04
SE8601526A SE8601526L (sv) 1986-04-04 1986-04-04 Forpackningsanordning

Publications (1)

Publication Number Publication Date
WO1987005881A1 true WO1987005881A1 (fr) 1987-10-08

Family

ID=20364056

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1987/000171 WO1987005881A1 (fr) 1986-04-04 1987-04-02 Feuille d'emballage pour livres et autres objets

Country Status (3)

Country Link
AU (1) AU7168187A (fr)
SE (1) SE8601526L (fr)
WO (1) WO1987005881A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474068A (en) * 2009-10-05 2011-04-06 Uni Forme Modular Systems Unitary blank and box for books with internal sleeve
CN110466859A (zh) * 2019-08-22 2019-11-19 上海怡唐进出口有限公司 可伸放折叠式简便型包装盒

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285402A (en) * 1966-03-07 1966-11-15 Bookem Corp Book and greeting card combination
FR2311729A2 (fr) * 1975-05-20 1976-12-17 Emballage Carton Emballage pour livres
SE393582B (sv) * 1971-08-31 1977-05-16 Colgate Palmolive Co Behallare med kohesiv forslutning
DE2731293A1 (de) * 1977-07-11 1979-02-01 Franz Froeb Versand- und/oder geschenkpackung fuer einen flachquaderfoermigen gegenstand
CH612643A5 (en) * 1977-04-27 1979-08-15 Brieger & Co Ag Packaging, in particular for books
US4322028A (en) * 1980-04-25 1982-03-30 Yoshinobu Kawahara Knock-down type mailing parcel case

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285402A (en) * 1966-03-07 1966-11-15 Bookem Corp Book and greeting card combination
SE393582B (sv) * 1971-08-31 1977-05-16 Colgate Palmolive Co Behallare med kohesiv forslutning
FR2311729A2 (fr) * 1975-05-20 1976-12-17 Emballage Carton Emballage pour livres
CH612643A5 (en) * 1977-04-27 1979-08-15 Brieger & Co Ag Packaging, in particular for books
DE2731293A1 (de) * 1977-07-11 1979-02-01 Franz Froeb Versand- und/oder geschenkpackung fuer einen flachquaderfoermigen gegenstand
US4322028A (en) * 1980-04-25 1982-03-30 Yoshinobu Kawahara Knock-down type mailing parcel case

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474068A (en) * 2009-10-05 2011-04-06 Uni Forme Modular Systems Unitary blank and box for books with internal sleeve
CN110466859A (zh) * 2019-08-22 2019-11-19 上海怡唐进出口有限公司 可伸放折叠式简便型包装盒

Also Published As

Publication number Publication date
SE8601526L (sv) 1987-10-05
SE8601526D0 (sv) 1986-04-04
AU7168187A (en) 1987-10-20

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