EP2765088A1 - Self-adhesive paper envelope, corresponding method for manufacturing same and use - Google Patents

Self-adhesive paper envelope, corresponding method for manufacturing same and use Download PDF

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Publication number
EP2765088A1
EP2765088A1 EP14153561.7A EP14153561A EP2765088A1 EP 2765088 A1 EP2765088 A1 EP 2765088A1 EP 14153561 A EP14153561 A EP 14153561A EP 2765088 A1 EP2765088 A1 EP 2765088A1
Authority
EP
European Patent Office
Prior art keywords
envelope
fold
closing
tab
main face
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Withdrawn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
EP14153561.7A
Other languages
German (de)
French (fr)
Inventor
Sylvie Deshayes
Pascal Ridot
Francis Perie
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.)
BONG
Original Assignee
BONG
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 BONG filed Critical BONG
Publication of EP2765088A1 publication Critical patent/EP2765088A1/en
Withdrawn legal-status Critical Current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
    • B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
    • B65D27/12—Closures
    • B65D27/14—Closures using adhesive applied to integral parts, e.g. flaps
    • B65D27/16—Closures using adhesive applied to integral parts, e.g. flaps using pressure-sensitive adhesive
    • 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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/02—Arrangements of flexible binders

Definitions

  • the invention also relates to a method of manufacturing such an envelope, a use of such an envelope, and a package comprising a plurality of such envelopes.
  • the envelope comprises at least one glued surface comprising a scrub whose stickiness is activated by wetting.
  • Such envelopes are generally intended for the mechanized insertion of their contents.
  • the envelope comprises at least one glued surface comprising a permanent adhesive scrub protected by a silicone band.
  • the protective strip is removed.
  • Such envelopes are intended for the general public. They have an improved life, but are more expensive than those of the first family.
  • the protective strip remains after the closure of the envelope and becomes a waste.
  • the third family which is rather an entry-level, brings together the envelopes called "stickers".
  • the adhesive used adheres in liquid form to the sheet of which the envelope is made. Once dried, the glue forms a scrub that sticks only "on itself” (glue on glue). There is no need to bring moisture or remove a protective tape to activate the bonding.
  • the self-adhesive envelopes are made by depositing a glue, generally based on latex, on the closure tab and on a movable portion of the bottom.
  • the movable portion is defined by an additional fold, called "third fold" stationery, made in the background.
  • the bonded surfaces are located on the movable portion of the bottom and on the closure tab on the side where the movable portion and the closure tab are folded, the bonded surfaces do not come into contact with each other before the use of the envelope.
  • Closing the envelope is effected by unfolding the closing tab, then by unfolding the movable part of the bottom, and finally by folding the closure tab on the unfolded mobile part of the closure tab, so as to put in contact with each other the glued surfaces.
  • Such envelopes are relatively complicated to produce because of the additional fold made in the bottom to protect the bottom glued surface, but necessary for its proper operation.
  • An object of the invention is therefore to provide a stationery envelope simple to produce, a very competitive cost and minimizing potential waste.
  • the invention also relates to a use of a stationery envelope as described above, wherein, the envelope being initially in the storage position, the distal portion of the closure tab is unfolded at least partially according to the storage fold to allow the insertion of said contents of the envelope, then the distal portion is moved so as to fold the closure tab according to the fold of closing and bringing the glued closure tab surface into contact with the bottom glued surface, the envelope then being in the closed position.
  • the invention also covers an envelope or an envelope package associated with a user manual describing, in whole or in part, schematically or not, the aforementioned use of the envelope.
  • envelope is meant in this document a stationery envelope whose opening and closing are effected on at least one side, for example intended for postal use.
  • the casing 2 is of generally flat and rectangular shape in a closed position shown in FIG. Figure 1 .
  • the envelope 2 comprises two long sides 4, 6 and two small sides 8, 10.
  • the envelope 2 is shown in a fully open position on the Figure 2 .
  • the opening and closing of the envelope 2 are at the level of the long side 4.
  • the opening of the envelope 2 is on one of the short sides 8, 10.
  • the envelope 2 is then generally called "pocket”.
  • the envelope 2 is shown in a storage position before use on the Figure 3 .
  • the envelope 2 comprises a main face 12 extending substantially in a plane P, and a bottom 14 defining with the main face 12 an interstitial space 16 ( Figure 2 ) for a content (not shown) of the envelope.
  • Envelope 2 includes also a closure tab 18 separated from the main face 12 by a closing fold 20 for closing the closure tab 18 on the bottom 14.
  • the envelope 2 advantageously comprises two lateral lugs 22, 24 on which the base 14 is fixed. for example by gluing.
  • fold is meant in this document a fold mark for folding the envelope 2 according to said fold.
  • the envelope 2 is advantageously constituted essentially of a cut stationery sheet 26 represented on the Figure 4 .
  • the stationery sheet 26 comprises for example one or more of the following materials: non-recycled paper, for example white, colored, kraft or white kraft; recycled paper, for example white, gray or kraft color; pure offset paper not recycled, eg white; virgin fiber kraft paper; matte or glossy coated paper; reinforced paper (offset or kraft); and colored paper other than white, gray or kraft paper.
  • the sheet 26 consists of only one of the abovementioned materials on one of its faces corresponding to the outside of the envelope 2.
  • Offset paper designates a suitable paper for printing according to the offset method known per se and is also suitable for the manufacture of envelopes.
  • Kraft paper is a type of paper used in particular for different types of bags, resistant packaging and envelopes. It is very resistant, hence its name, which means “strength” in German.
  • the basis weight of the sheet 26 is advantageously between 50 and 200 g / m 2 , for example 70, 75, 80, 90, 100, 110, 120 or 130 g / m 2 .
  • the casing 2 comprises bellows to give the interstitial space 18 a greater thickness perpendicular to the plane P.
  • the main face 12 then has a more complex shape including the bellows.
  • the main face 12 extends substantially in the plane P when the envelope 2 is flat.
  • the main face 12 is delimited by the sides 4, 6, 8, 10 of the envelope 2.
  • the main face 12 is intended to receive the address (not shown) of a recipient, in case of use of the envelope 2 as a postal envelope.
  • the address is for example written or printed on the front of the main face 12.
  • the main face 12 comprises a transparent window for reading the printed address on the contents of the envelope 2 introduced into the interstitial space 16.
  • front of the main face 12 is meant the side of the main face 12 corresponding to the outside of the envelope 2.
  • the long side 4 defines an upper edge of the envelope 2
  • the long side 6 defines a lower edge of the envelope 2.
  • the short sides 8 and 10 form respectively the left and right edges of the envelope 2 .
  • the main face 12 has a length L1 and a width L2 ( Figure 1 ) defining the envelope size 2.
  • the width L1 is between 140 mm and 324 mm and the length L2 is between 90 mm and 229 mm.
  • the format is for example one of the following, where the first value is the width L2 in mm and the second value is the length L1 in mm: 90x140, 114x162, 110x220, 110x155, 114x225, 114x229, 162x229 176x250, and 229x324.
  • the format is for example one of the following: 114x162, 110x220, 162x229, 176x250, 229x324, 250x353, 260x330, 275x365, and 280x400.
  • the closing fold 20 defines the long side 4 of the main face 12.
  • the closure fold 20 has perforations 27 to facilitate tearing of the envelope 2 according to the fold 20. It is thus possible to open the envelope 2 once it has been closed and that the glued surfaces 30, 40 can no longer peel away from each other easily.
  • the bottom 14 is a tab obtained by folding the sheet 26 in a bottom fold 28 defining the long side 6. The bottom fold 28 thus separates the main face 12 from the bottom 14.
  • the bottom 14 comprises a bottom-glued surface 30 extending on the outer face of the bottom 14, that is to say the face turned towards the observer on the Figures 1 to 3 .
  • the bottom 14 is advantageously devoid of any other fold, in particular a fold which would define a movable portion of the bottom 14 relative to the main face 12. This fold absent from the bottom 14 is the additional fold characteristic of the third family of the prior art mentioned above.
  • the closing tab 18 extends in the plane P of the main face 12 when the casing 2 is in the open position.
  • the closing tab 18 and the main face 12 extend on either side of the closure fold 20.
  • the closing tab 18 is folded on the main face according to the closing fold 20 when the casing 2 is in the closed position.
  • the closure lug 18 includes a proximal portion 32 and a distal portion 34 relative to the main face 12 when the casing 2 is in the open position shown in FIG. Figure 2 .
  • the proximal portion 32 extends between the closure fold 20 and a storage bend 36 of the closure tab 18.
  • the storage bend 36 is preferably substantially parallel to the closure fold 20.
  • the storage bend 36 advantageously extends from one edge to the other of the closure tab 18.
  • the storage bend 36 comprises, for example, perforations 38 to facilitate tearing of the envelope 2 according to the storage fold.
  • the storage bend 36 is the sole fold of the closing tab 18 except the closing fold 20.
  • the distal portion 34 is separated from the proximal portion 32 by the storage fold 36.
  • the distal portion comprises a glued surface 40 of closure tab ( Figure 2 ).
  • the glued surface 40 extends for example substantially parallel to the closing fold 20, according to points, lines or bands.
  • the glued surface 40 advantageously extends parallel to the closure fold 20, for example over at least half the length of the distal portion 34, preferably at least 80% of the length of the distal portion 34.
  • the bottom glued surface 30 is advantageously substantially symmetrical with the glued surface 40 with respect to the closing fold 20 in the open position shown in FIG. Figure 2 .
  • the glued surface 40 of the closing tab is applied substantially against the bottom glued surface 30.
  • the closing tab 18 is folded according to the storage fold 36.
  • the proximal portion 32 and the distal portion 34 extend substantially in the plane P.
  • the proximal portion 32 is not folded according to the closing fold 20, while that the distal portion 34 is folded over the proximal portion 32 according to the storage fold 36.
  • the distal portion 34 does not cover the bottom 14 in the storage position.
  • the distal portion 34 is at a distance from the bottom 14 defining the set J.
  • the glued surfaces 30, 40 are for example about 1 cm wide.
  • the glued surfaces 30, 40 are advantageously obtained, according to a method known per se, by depositing a glue so as to form a self-adhesive "glue-on-glue” type scrub. This means that the glued surfaces 30, 40 are intended to stick to one another and not to other unsized surfaces of the envelope 2.
  • the glue used is a synthetic glue based on natural latex whose properties allow it to not stick to the paper once dried, but to stick on itself once dried.
  • the casing 2 is advantageously devoid of any adhesive tape for protecting one or the other of the glued surface 40 of the closure lug and of the bottom-glued surface 30, the adhesive strip being intended to be removed before closing. the envelope 2.
  • envelopes 2 are for example packaged in the form of a package 42 as shown in FIG. Figure 5 .
  • the envelopes 2 are in the storage position and stacked one on the other to form a stack 43.
  • the glue of the surface glued bottom 30 of the 2B envelope is in contact with the main face 12 of the envelope 2A.
  • the bottom glued surface 30 of the envelope 2B does not permanently stick to the main face 12 of the envelope 2A because of the nature of the glue used. It is therefore possible to separate the envelope 2B from the envelope 2A. Therefore, it is possible to separate from the rest of the stack 43 any envelope 2 of the packet 42.
  • the package 42 further comprises a link 44, for example a paper web surrounding the envelopes 2 or a plastic film (not shown) enveloping the envelopes, to hold them against each other within the package 42.
  • a link 44 for example a paper web surrounding the envelopes 2 or a plastic film (not shown) enveloping the envelopes, to hold them against each other within the package 42.
  • the envelope 2 is possibly extracted from the package 42 in which it has been packaged.
  • the link 44 is torn or broken so as to release the envelopes 2 of the stack 43, or at least one of the stacked envelopes 2 is extracted from the pack 42 by sliding it out of the pack 42.
  • the envelope 2 is initially in the storage position before use ( Figure 3 ).
  • the closure lug 18 is then manipulated to unfold the distal portion 34 along the storage bend 36 and to bring the distal portion into the plane P, on the other side of the storage fold 36 relative to the proximal portion 32.
  • the envelope 2 is then in the open position ( Figure 2 ).
  • the content (not shown) of the envelope 2 is inserted in the interstitial space 16.
  • the envelope 2 is then sealed by closing the closing tab 18.
  • the closure tab 18 is folded according to the closing fold 20 so as to bring the distal portion 34 against the bottom 14, the glued portion 40 coming into contact with the bottom-glued portion 30.
  • the envelope 2 is sealed in its closed position ( Figure 1 ).
  • the envelope 2 is for example torn, either according to the perforations 27 of the closing fold 20 or the perforation 38 of the storage fold 36, which facilitate tearing.
  • the envelope 2 is not sealed, but is then returned to the storage position. To do this, the distal portion 34 of the closure tab 18 is simply folded according to the storage bend 36. It is thus possible to subsequently change the contents of the envelope 2.
  • the method comprises a step of obtaining the stationery sheet.
  • the envelope 2 consists solely of the stationery sheet and the glue of the glued surfaces 30, 40.
  • the stationery sheet is cut according to a pattern at least partially defining the main face 12, the bottom 14 and the closing tab 18, in order to obtain the cut sheet 26 shown on the drawing.
  • Figure 4 the stationery sheet is cut according to a pattern at least partially defining the main face 12, the bottom 14 and the closing tab 18, in order to obtain the cut sheet 26 shown on the drawing.
  • the cut sheet 26 is then folded to define at least the closure fold 20, the storage fold 36 and the bottom fold 28, to obtain a folded sheet (not shown).
  • the cut sheet 26 is further folded along the short sides 8, 10 to define the side tabs 22, 24.
  • the closing fold 20 is perforated to obtain the perforations 27.
  • the storage fold 36 is advantageously perforated to obtain the perforations 38.
  • Glue is deposited on the lateral tabs 22, 24.
  • the bottom 14 is folded along the bottom fold 28 and adhered to the lateral tabs 22, 24.
  • the folded sheet is then sized to obtain the bottom glued surface 30 and the glued surface 40 of the closure tab to form the envelope 2.
  • a self-adhesive scrub is formed on each of the glued surfaces 30, 40.
  • the envelope 2 is finally put in the storage position. To do this, the distal portion 34 of the closure tab 18 is folded over the proximal portion 32 according to the storage fold 36.
  • the envelope 2 is stacked with other envelopes 2 to constitute the stack 43. Then the stack 43 is surrounded or secured by a link 44 or a film (not shown) to obtain the package of envelopes 42 ( Figure 5 ).
  • the envelope 2 is simple to produce.
  • the bottom 14 having no additional fold to protect the bottom glued surface 30, the production rate of the envelopes 2 is increased by a factor of about 30 to 40%, so the unit cost of the envelope 2 is very competitive.
  • a protective strip is not necessary, there is no waste associated with the use of the envelope 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

The envelope (2) has a main surface (12), and a bottom (14) defining an interior void space (16) and comprising a bottom surface coated with an adhesive (30). A closure flap (18) has an adhesive-coated surface (40) for bonding the flap to the bottom surface. The flap has a storage fold (36) that separates the flap into a proximal portion (32) and a distal portion (34) having a surface coated with an adhesive closure tab. The distal portion is folded over the proximal portion in a storage position before using the envelope, where the distal portion is located on a side of the bottom. Independent claims are also included for the following: (1) a package of envelopes (2) a method for manufacturing an envelope.

Description

La présente invention concerne une enveloppe de papeterie autocollante comprenant :

  • une face principale s'étendant sensiblement dans un plan,
  • un fond définissant avec la face principale un espace interstitiel intérieur pour un contenu de l'enveloppe, le fond comportant une surface encollée de fond située sur une face extérieure du fond, et
  • une patte de fermeture séparée de la face principale par au moins un pli de fermeture de l'enveloppe et comportant une surface encollée de patte de fermeture adaptée pour coller sur la surface encollée de fond,
    l'enveloppe étant mobile entre :
  • une position ouverte dans laquelle la face principale et la patte de fermeture s'étendent sensiblement dans le plan de part et d'autre du pli de fermeture, et
  • une position fermée dans laquelle la patte de fermeture est pliée sur le fond selon le pli de fermeture, la surface encollée de patte de fermeture étant au contact de la surface encollée de fond.
The present invention relates to a self-adhesive stationery envelope comprising:
  • a main face extending substantially in a plane,
  • a bottom defining with the main face an interior interstitial space for a content of the envelope, the bottom having a bottom-glued surface located on an outer face of the bottom, and
  • a closure tab separated from the main face by at least one closing fold of the envelope and having a surface sealed with a closing tab adapted to adhere to the surface-sized surface,
    the envelope being mobile between:
  • an open position in which the main face and the closing tab extend substantially in the plane on either side of the closing fold, and
  • a closed position in which the closure tab is folded on the bottom according to the closing fold, the sealed surface closure tab being in contact with the surface of the bottom glued.

L'invention concerne aussi un procédé de fabrication d'une telle enveloppe, une utilisation d'une telle enveloppe, et un paquet comportant une pluralité de telles enveloppes.The invention also relates to a method of manufacturing such an envelope, a use of such an envelope, and a package comprising a plurality of such envelopes.

Il existe dans l'état de la technique trois grandes familles d'enveloppes de papeterie. Dans la première famille, l'enveloppe comprend au moins une surface encollée comportant un gommage dont le pouvoir collant est activé par humectation. De telles enveloppes sont destinées en général à l'insertion mécanisée de leur contenu.There are in the state of the art three large families of stationery envelopes. In the first family, the envelope comprises at least one glued surface comprising a scrub whose stickiness is activated by wetting. Such envelopes are generally intended for the mechanized insertion of their contents.

Dans la seconde famille, l'enveloppe comprend au moins une surface encollée comportant un gommage adhésif permanent protégé par une bande siliconée. Avant de fermer l'enveloppe, la bande protectrice est retirée. De telles enveloppes sont destinées au grand public. Elles ont une durée de vie améliorée, mais sont plus onéreuses que celles de la première famille. La bande protectrice subsiste après la fermeture de l'enveloppe et devient un déchet.In the second family, the envelope comprises at least one glued surface comprising a permanent adhesive scrub protected by a silicone band. Before closing the envelope, the protective strip is removed. Such envelopes are intended for the general public. They have an improved life, but are more expensive than those of the first family. The protective strip remains after the closure of the envelope and becomes a waste.

La troisième famille, qui constitue plutôt une entrée de gamme, rassemble les enveloppes dites « autocollantes ». La colle utilisée adhère sous forme liquide à la feuille dont est constituée l'enveloppe. Une fois séchée, la colle forme un gommage qui ne colle que « sur lui-même » (colle sur colle). Il n'y a donc pas besoin d'apporter d'humidité ou d'enlever une bande protectrice pour activer le collage.The third family, which is rather an entry-level, brings together the envelopes called "stickers". The adhesive used adheres in liquid form to the sheet of which the envelope is made. Once dried, the glue forms a scrub that sticks only "on itself" (glue on glue). There is no need to bring moisture or remove a protective tape to activate the bonding.

A ce jour, les enveloppes autocollantes sont réalisées en déposant une colle, généralement à base de latex, sur la patte de fermeture et sur une portion mobile du fond. La portion mobile est définie par un pli supplémentaire, appelé « troisième pli » en papeterie, réalisé dans le fond. Les surfaces encollées se situant sur la portion mobile du fond et sur la patte de fermeture du côté où la portion mobile et la patte de fermeture sont pliées, les surfaces encollées n'entrent pas en contact l'une avec l'autre avant l'utilisation de l'enveloppe. La fermeture de l'enveloppe s'effectue en dépliant la patte de fermeture, puis en dépliant la partie mobile du fond, et enfin en rabattant la patte de fermeture sur la partie mobile dépliée de la patte de fermeture, de manière à mettre en contact l'une avec l'autre les surfaces encollées. De telles enveloppes sont relativement compliquées à produire du fait du pli supplémentaire réalisé dans le fond pour protéger la surface encollée de fond, mais nécessaire à son bon fonctionnement.To date, the self-adhesive envelopes are made by depositing a glue, generally based on latex, on the closure tab and on a movable portion of the bottom. The movable portion is defined by an additional fold, called "third fold" stationery, made in the background. The bonded surfaces are located on the movable portion of the bottom and on the closure tab on the side where the movable portion and the closure tab are folded, the bonded surfaces do not come into contact with each other before the use of the envelope. Closing the envelope is effected by unfolding the closing tab, then by unfolding the movable part of the bottom, and finally by folding the closure tab on the unfolded mobile part of the closure tab, so as to put in contact with each other the glued surfaces. Such envelopes are relatively complicated to produce because of the additional fold made in the bottom to protect the bottom glued surface, but necessary for its proper operation.

Un but de l'invention est donc de proposer une enveloppe de papeterie simple à produire, d'un coût très compétitif et minimisant les déchets éventuels.An object of the invention is therefore to provide a stationery envelope simple to produce, a very competitive cost and minimizing potential waste.

A cet effet, l'invention a pour objet une enveloppe de papeterie autocollante du type décrit ci-dessus, dans laquelle :

  • la patte de fermeture comprend au moins un pli de stockage séparant la patte de fermeture en une portion proximale et une portion distale par rapport à la face principale lorsque l'enveloppe est dans la position ouverte, la surface encollée de patte de fermeture se situant dans la portion distale, et
  • la portion distale est pliée sur la portion proximale selon le pli de stockage dans une position de stockage de l'enveloppe avant utilisation, dans laquelle la portion proximale et la portion distale s'étendent sensiblement dans ledit plan, la portion distale se situant, par rapport à la portion proximale, du même côté que le fond par rapport à la face principale.
For this purpose, the subject of the invention is a self-adhesive paper envelope of the type described above, in which:
  • the closure tab comprises at least one storage fold separating the closure tab in a proximal portion and a distal portion with respect to the main face when the envelope is in the open position, the sealed tab surface of the closure tab being in the distal portion, and
  • the distal portion is folded over the proximal portion according to the storage fold in a storage position of the envelope before use, wherein the proximal portion and the distal portion extend substantially in said plane, the distal portion lying, relative to the proximal portion, the same side as the bottom relative to the main face.

Selon des modes particuliers de réalisation, l'enveloppe comprend l'une ou plusieurs des caractéristiques suivantes, prise(s) isolément ou selon toutes les combinaisons techniquement possibles :

  • dans la position de stockage de l'enveloppe, la surface encollée de patte de fermeture se situe à l'écart de la surface encollée de fond dans le plan ;
  • le fond est dépourvu d'un pli séparant le fond en, d'une part, une portion fixée sur la face principale et, d'autre part, une portion mobile par rapport à la face principale et comportant la surface encollée de fond, la portion mobile étant destinée à être pliée vers la portion fixe dans la position de stockage de l'enveloppe ;
  • la patte de fermeture comporte un seul pli dans la position de stockage de l'enveloppe ;
  • l'enveloppe est dépourvue d'une bande adhésive de protection de l'une ou l'autre de la surface encollée de patte de fermeture et de la surface encollée de fond, la bande adhésive étant destinée à être retirée avant de fermer l'enveloppe ;
  • le pli de stockage comporte des perforations adaptées pour faciliter un déchirement de l'enveloppe selon le pli de stockage, l'enveloppe étant dans la position fermée avant le déchirement ;
  • le pli de fermeture comporte des perforations adaptées pour faciliter un pliage de la patte de fermeture selon le pli de fermeture, et pour faciliter un déchirement de l'enveloppe selon le pli de fermeture, l'enveloppe étant dans la position fermée avant le déchirement ;
  • le pli de stockage s'étend sensiblement parallèlement au pli de fermeture, et relie de préférence deux bords opposés de la patte de fermeture.
According to particular embodiments, the envelope comprises one or more of the following characteristics, taken separately or in any technically possible combination:
  • in the storage position of the envelope, the glued closure tab surface is located away from the surface glued surface in the plane;
  • the bottom is devoid of a fold separating the bottom in, on the one hand, a portion fixed on the main face and, on the other hand, a movable portion with respect to the main face and comprising the surface glued bottom, the movable portion being intended to be folded towards the fixed portion in the storage position of the envelope;
  • the closure tab comprises a single fold in the storage position of the envelope;
  • the envelope is devoid of an adhesive tape for protecting one or the other of the glued closure tab surface and the bottom glued surface, the adhesive tape being intended to be removed before closing the envelope ;
  • the storage bend has perforations adapted to facilitate tearing of the envelope according to the storage bend, the envelope being in the closed position before tearing;
  • the closure fold has perforations adapted to facilitate folding of the closing tab according to the closing fold, and to facilitate tearing of the envelope according to the closing fold, the envelope being in the closed position before tearing;
  • the storage bend extends substantially parallel to the closure fold, and preferably connects two opposite edges of the closure tab.

L'invention concerne aussi un paquet d'enveloppes comprenant :

  • une pluralité d'enveloppes telles que décrites ci-dessus, les enveloppes étant dans la position de stockage et formant un empilement, la surface encollée de fond d'une enveloppe quelconque de ladite pluralité étant adaptée pour ne pas coller sur la face principale d'une enveloppe adjacente de ladite pluralité, la face principale de l'enveloppe adjacente étant tournée vers ladite enveloppe quelconque, et
  • un lien ou un film pour retenir l'empilement d'enveloppes.
The invention also relates to a package of envelopes comprising:
  • a plurality of envelopes as described above, the envelopes being in the storage position and forming a stack, the bottom glued surface of any one of said plurality being adapted to not stick to the main face of an adjacent envelope of said plurality, the main face of the adjacent envelope being facing said envelope, and
  • a link or film to hold the stack of envelopes.

L'invention a aussi pour objet un procédé de fabrication d'une enveloppe de papeterie telle que décrite ci-dessus, comportant les étapes suivantes :

  • obtention d'une feuille de papeterie ou d'une bande de papier,
  • découpe de la feuille de papeterie ou de la bande de papier selon un patron définissant au moins partiellement la face principale, le fond et la patte de fermeture, afin d'obtenir une feuille découpée,
  • pliage de la feuille découpée pour définir au moins le pli de fermeture et le pli de stockage, afin d'obtenir une feuille pliée,
  • encollage de la feuille pliée pour obtenir la surface encollée de fond et la surface encollée de patte de fermeture pour obtenir l'enveloppe, et
  • pliage de la portion distale de la patte de fermeture sur la portion proximale selon le pli de stockage pour mettre l'enveloppe dans la position de stockage.
The invention also relates to a method of manufacturing a stationery envelope as described above, comprising the following steps:
  • obtaining a stationery sheet or a strip of paper,
  • cutting the stationery sheet or the paper web according to a pattern at least partially defining the main face, the bottom and the closing tab, in order to obtain a cut sheet,
  • folding the cut sheet to define at least the closure fold and the storage fold, to obtain a folded sheet,
  • gluing the folded sheet to obtain the bottom glued surface and the glued closure tab surface to obtain the envelope, and
  • folding the distal portion of the closure tab on the proximal portion according to the storage fold to put the envelope in the storage position.

L'invention a également pour objet une utilisation d'une enveloppe de papeterie telle que décrite ci-dessus, dans laquelle, l'enveloppe étant initialement dans la position de stockage, la portion distale de la patte de fermeture est dépliée au moins partiellement selon le pli de stockage pour permettre l'insertion dudit contenu de l'enveloppe, puis la partie distale est déplacée de manière à plier la patte de fermeture selon le pli de fermeture et à amener la surface encollée de patte de fermeture au contact de la surface encollée de fond, l'enveloppe se trouvant alors dans la position fermée.The invention also relates to a use of a stationery envelope as described above, wherein, the envelope being initially in the storage position, the distal portion of the closure tab is unfolded at least partially according to the storage fold to allow the insertion of said contents of the envelope, then the distal portion is moved so as to fold the closure tab according to the fold of closing and bringing the glued closure tab surface into contact with the bottom glued surface, the envelope then being in the closed position.

L'invention couvre également une enveloppe ou un paquet d'enveloppe associé(e) à une notice d'utilisation décrivant, en totalité ou en partie, schématiquement ou non, l'utilisation précitée de l'enveloppe.The invention also covers an envelope or an envelope package associated with a user manual describing, in whole or in part, schematically or not, the aforementioned use of the envelope.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés, sur lesquels :

  • la Figure 1 est vue arrière d'une enveloppe selon l'invention, l'enveloppe étant dans la position fermée ; et
  • la Figure 2 est une vue analogue à celle de la Figure 1, l'enveloppe étant dans la position ouverte ;
  • la Figure 3 est une vue analogue à celle des Figures 1 et 2, l'enveloppe étant dans la position de stockage ;
  • la Figure 4 est une vue de la feuille découpée, à partir de laquelle est obtenue l'enveloppe représentée sur les Figures 1 à 3 ; et
  • la Figure 5 est une vue schématique, selon la tranche, d'un paquet d'enveloppes selon l'invention.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended drawings, in which:
  • the Figure 1 is rear view of an envelope according to the invention, the envelope being in the closed position; and
  • the Figure 2 is a view similar to that of the Figure 1 the envelope being in the open position;
  • the Figure 3 is a view similar to that of Figures 1 and 2 the envelope being in the storage position;
  • the Figure 4 is a view of the cut sheet, from which is obtained the envelope shown on the Figures 1 to 3 ; and
  • the Figure 5 is a schematic view, according to the slice, of a package of envelopes according to the invention.

En référence aux Figures 1 à 3, on décrit une enveloppe de papeterie 2 selon l'invention.With reference to Figures 1 to 3 , a stationery envelope 2 according to the invention is described.

Par « enveloppe », on entend dans le présent document une enveloppe de papeterie dont l'ouverture et la fermeture s'effectuent sur au moins un côté, par exemple destinée à une utilisation postale.By "envelope" is meant in this document a stationery envelope whose opening and closing are effected on at least one side, for example intended for postal use.

Dans l'exemple représenté, l'enveloppe 2 est de forme générale sensiblement plane et rectangulaire dans une position fermée représentée sur la Figure 1. L'enveloppe 2 comprend deux grands côtés 4, 6 et deux petits côtés 8, 10.In the example shown, the casing 2 is of generally flat and rectangular shape in a closed position shown in FIG. Figure 1 . The envelope 2 comprises two long sides 4, 6 and two small sides 8, 10.

L'enveloppe 2 est représentée dans une position complètement ouverte sur la Figure 2. Dans l'exemple représentée, l'ouverture et la fermeture de l'enveloppe 2 se font au niveau du grand côté 4.The envelope 2 is shown in a fully open position on the Figure 2 . In the example shown, the opening and closing of the envelope 2 are at the level of the long side 4.

Selon une variante non représentée, l'ouverture de l'enveloppe 2 se fait sur l'un des petits côtés 8, 10. L'enveloppe 2 est alors en général appelée « pochette ».According to a variant not shown, the opening of the envelope 2 is on one of the short sides 8, 10. The envelope 2 is then generally called "pocket".

L'enveloppe 2 est représentée dans une position de stockage avant utilisation sur la Figure 3.The envelope 2 is shown in a storage position before use on the Figure 3 .

L'enveloppe 2 comprend une face principale 12 s'étendant sensiblement dans un plan P, et un fond 14 définissant avec la face principale 12 un espace interstitiel 16 (Figure 2) pour un contenu (non représenté) de l'enveloppe. L'enveloppe 2 comprend aussi une patte de fermeture 18 séparée de la face principale 12 par un pli de fermeture 20 servant à fermer la patte de fermeture 18 sur le fond 14. L'enveloppe 2 comprend avantageusement deux pattes latérales 22, 24 sur lesquelles est fixé le fond 14, par exemple par collage.The envelope 2 comprises a main face 12 extending substantially in a plane P, and a bottom 14 defining with the main face 12 an interstitial space 16 ( Figure 2 ) for a content (not shown) of the envelope. Envelope 2 includes also a closure tab 18 separated from the main face 12 by a closing fold 20 for closing the closure tab 18 on the bottom 14. The envelope 2 advantageously comprises two lateral lugs 22, 24 on which the base 14 is fixed. for example by gluing.

Par « pli », on entend dans le présent document une marque de pliage permettant de plier l'enveloppe 2 selon ledit pli.By "fold" is meant in this document a fold mark for folding the envelope 2 according to said fold.

L'enveloppe 2 est avantageusement constituée essentiellement d'une feuille de papeterie découpée 26 représentée sur la Figure 4. La feuille de papeterie 26 comprend par exemple l'une ou plusieurs des matières suivantes : papier non recyclé, par exemple blanc, de couleur, kraft ou kraft blanc ; papier recyclé, par exemple blanc, gris ou couleur kraft ; papier offset pure pâte non recyclé, par exemple blanc ; papier kraft à fibres vierges ; papier couché mat ou brillant ; papier renforcé (offset ou kraft) ; et papier de couleur autre que blanc, gris ou kraft. Avantageusement, la feuille 26 est constituée d'une seule des matières précitées sur une de ses faces correspondant à l'extérieur de l'enveloppe 2.The envelope 2 is advantageously constituted essentially of a cut stationery sheet 26 represented on the Figure 4 . The stationery sheet 26 comprises for example one or more of the following materials: non-recycled paper, for example white, colored, kraft or white kraft; recycled paper, for example white, gray or kraft color; pure offset paper not recycled, eg white; virgin fiber kraft paper; matte or glossy coated paper; reinforced paper (offset or kraft); and colored paper other than white, gray or kraft paper. Advantageously, the sheet 26 consists of only one of the abovementioned materials on one of its faces corresponding to the outside of the envelope 2.

Le papier « offset » désigne un papier adapté pour l'impression selon le procédé offset connu en soi et convient également pour la fabrication d'enveloppes."Offset" paper designates a suitable paper for printing according to the offset method known per se and is also suitable for the manufacture of envelopes.

Le papier « kraft » est un type de papier utilisé notamment pour différents types de sacs, d'emballages résistants et d'enveloppes. Il est très résistant, d'où son nom, qui signifie « force » en allemand.Kraft paper is a type of paper used in particular for different types of bags, resistant packaging and envelopes. It is very resistant, hence its name, which means "strength" in German.

Le grammage de la feuille 26 est avantageusement compris entre 50 et 200 g/m2, par exemple 70, 75, 80, 90, 100, 110, 120 ou 130 g/m2.The basis weight of the sheet 26 is advantageously between 50 and 200 g / m 2 , for example 70, 75, 80, 90, 100, 110, 120 or 130 g / m 2 .

Selon des modes de réalisation particuliers non représentés, l'enveloppe 2 comporte des soufflets pour conférer à l'espace interstitiel 18 une plus grande épaisseur perpendiculairement au plan P. La face principale 12 présente alors une forme plus complexe comportant les soufflets.According to particular embodiments not shown, the casing 2 comprises bellows to give the interstitial space 18 a greater thickness perpendicular to the plane P. The main face 12 then has a more complex shape including the bellows.

Dans l'exemple représenté, la face principale 12 s'étend sensiblement dans le plan P lorsque l'enveloppe 2 est à plat. La face principale 12 est délimitée par les côtés 4, 6, 8, 10 de l'enveloppe 2.In the example shown, the main face 12 extends substantially in the plane P when the envelope 2 is flat. The main face 12 is delimited by the sides 4, 6, 8, 10 of the envelope 2.

La face principale 12 est destinée à recevoir l'adresse (non représentée) d'un destinataire, en cas d'utilisation de l'enveloppe 2 comme enveloppe postale. L'adresse est par exemple écrite ou imprimée sur le recto de la face principale 12. Selon une variante non représentée, la face principale 12 comporte une fenêtre transparente permettant de lire l'adresse imprimée sur le contenu de l'enveloppe 2 introduit dans l'espace interstitiel 16.The main face 12 is intended to receive the address (not shown) of a recipient, in case of use of the envelope 2 as a postal envelope. The address is for example written or printed on the front of the main face 12. According to a variant not shown, the main face 12 comprises a transparent window for reading the printed address on the contents of the envelope 2 introduced into the interstitial space 16.

Par « recto de la face principale 12», on entend le côté de la face principale 12 correspondant à l'extérieur de l'enveloppe 2.By "front of the main face 12" is meant the side of the main face 12 corresponding to the outside of the envelope 2.

Lorsque l'enveloppe 2 est présentée verticalement avec la patte de fermeture 18 en haut et est vue du côté du fond 14 (Figures 1, 2 et 3), le grand côté 4 définit un bord supérieur de l'enveloppe 2, tandis que le grand côté 6 définit un bord inférieur de l'enveloppe 2. Les petits côtés 8 et 10 forment respectivement des bords gauche et droit de l'enveloppe 2.When the casing 2 is presented vertically with the closure tab 18 at the top and is seen from the bottom side 14 ( Figures 1, 2 and 3 ), the long side 4 defines an upper edge of the envelope 2, while the long side 6 defines a lower edge of the envelope 2. The short sides 8 and 10 form respectively the left and right edges of the envelope 2 .

La face principale 12 présente une longueur L1 et une largeur L2 (Figure 1) définissant le format de l'enveloppe 2. Typiquement, la largeur L1 est comprise entre 140 mm et 324 mm et la longueur L2 est comprise entre 90 mm et 229 mm. Le format est par exemple l'un des suivants, où la première valeur est la largeur L2 en mm et la seconde valeur est la longueur L1 en mm : 90x140, 114x162, 110x220, 110x155, 114x225, 114x229, 162x229 176x250, et 229x324. Lorsque l'enveloppe 2 a un format « pochette », avec ouverture sur un petit côté, le format est par exemple l'un des suivants : 114x162, 110x220, 162x229, 176x250, 229x324, 250x353, 260x330, 275x365, et 280x400.The main face 12 has a length L1 and a width L2 ( Figure 1 ) defining the envelope size 2. Typically, the width L1 is between 140 mm and 324 mm and the length L2 is between 90 mm and 229 mm. The format is for example one of the following, where the first value is the width L2 in mm and the second value is the length L1 in mm: 90x140, 114x162, 110x220, 110x155, 114x225, 114x229, 162x229 176x250, and 229x324. When the envelope 2 has a "pocket" format, with opening on a small side, the format is for example one of the following: 114x162, 110x220, 162x229, 176x250, 229x324, 250x353, 260x330, 275x365, and 280x400.

Dans l'exemple représenté, le pli de fermeture 20 définit le grand côté 4 de la face principale 12. Selon un mode particulier de réalisation, le pli de fermeture 20 comporte des perforations 27 pour faciliter un déchirement de l'enveloppe 2 selon le pli de fermeture 20. Il est ainsi possible d'ouvrir l'enveloppe 2 une fois qu'elle a été fermée et que les surfaces encollées 30, 40 ne peuvent plus se décoller l'une de l'autre facilement. Avantageusement, le fond 14 est une patte obtenue par pliage de la feuille 26 selon un pli de fond 28 définissant le grand côté 6. Le pli de fond 28 sépare donc la face principale 12 du fond 14.In the example shown, the closing fold 20 defines the long side 4 of the main face 12. According to a particular embodiment, the closure fold 20 has perforations 27 to facilitate tearing of the envelope 2 according to the fold 20. It is thus possible to open the envelope 2 once it has been closed and that the glued surfaces 30, 40 can no longer peel away from each other easily. Advantageously, the bottom 14 is a tab obtained by folding the sheet 26 in a bottom fold 28 defining the long side 6. The bottom fold 28 thus separates the main face 12 from the bottom 14.

Le fond 14 comprend une surface encollée de fond 30 s'étendant sur la face extérieure du fond 14, c'est-à-dire la face tournée vers l'observateur sur les Figures 1 à 3.The bottom 14 comprises a bottom-glued surface 30 extending on the outer face of the bottom 14, that is to say the face turned towards the observer on the Figures 1 to 3 .

Le fond 14 est avantageusement dépourvu de tout autre pli, notamment d'un pli qui définirait une portion mobile du fond 14 par rapport à la face principale 12. Ce pli absent du fond 14 est le pli supplémentaire caractéristique de la troisième famille de l'art antérieur mentionnée ci-dessus.The bottom 14 is advantageously devoid of any other fold, in particular a fold which would define a movable portion of the bottom 14 relative to the main face 12. This fold absent from the bottom 14 is the additional fold characteristic of the third family of the prior art mentioned above.

En référence à la Figure 2, la patte de fermeture 18 s'étend dans le plan P de la face principale 12 lorsque l'enveloppe 2 est dans la position ouverte. La patte de fermeture 18 et la face principale 12 s'étendent de part et d'autre du pli de fermeture 20.With reference to the Figure 2 , the closing tab 18 extends in the plane P of the main face 12 when the casing 2 is in the open position. The closing tab 18 and the main face 12 extend on either side of the closure fold 20.

En référence à la Figure 1, la patte de fermeture 18 est pliée sur la face principale selon le pli de fermeture 20 lorsque l'enveloppe 2 est dans la position fermée.With reference to the Figure 1 , the closing tab 18 is folded on the main face according to the closing fold 20 when the casing 2 is in the closed position.

La patte de fermeture 18 comprend une portion proximale 32 et une portion distale 34 par rapport à la face principale 12 lorsque l'enveloppe 2 se trouve dans la position ouverte représentée sur la Figure 2.The closure lug 18 includes a proximal portion 32 and a distal portion 34 relative to the main face 12 when the casing 2 is in the open position shown in FIG. Figure 2 .

La portion proximale 32 s'étend entre le pli de fermeture 20 et un pli de stockage 36 de la patte de fermeture 18.The proximal portion 32 extends between the closure fold 20 and a storage bend 36 of the closure tab 18.

Le pli de stockage 36 est de préférence sensiblement parallèle au pli de fermeture 20. Le pli de stockage 36 s'étend avantageusement d'un bord à l'autre de la patte de fermeture 18. Le pli de stockage 36 comporte par exemple des performations 38 pour faciliter un déchirement de l'enveloppe 2 selon le pli de stockage.The storage bend 36 is preferably substantially parallel to the closure fold 20. The storage bend 36 advantageously extends from one edge to the other of the closure tab 18. The storage bend 36 comprises, for example, perforations 38 to facilitate tearing of the envelope 2 according to the storage fold.

Avantageusement, le pli de stockage 36 est l'unique pli de la patte de fermeture 18 le pli de fermeture 20 excepté.Advantageously, the storage bend 36 is the sole fold of the closing tab 18 except the closing fold 20.

La portion distale 34 est séparée de la portion proximale 32 par le pli de stockage 36. La portion distale comporte une surface encollée 40 de patte de fermeture (Figure 2).The distal portion 34 is separated from the proximal portion 32 by the storage fold 36. The distal portion comprises a glued surface 40 of closure tab ( Figure 2 ).

La surface encollée 40 s'étend par exemple sensiblement parallèlement au pli de fermeture 20, selon des points, des traits ou des bandes. La surface encollée 40 s'étend avantageusement parallèlement au pli de fermeture 20, par exemple sur au moins la moitié de la longueur de la partie distale 34, de préférence sur au moins 80% de la longueur de la partie distale 34.The glued surface 40 extends for example substantially parallel to the closing fold 20, according to points, lines or bands. The glued surface 40 advantageously extends parallel to the closure fold 20, for example over at least half the length of the distal portion 34, preferably at least 80% of the length of the distal portion 34.

La surface encollée de fond 30 est avantageusement sensiblement symétrique de la surface encollée 40 par rapport au pli de fermeture 20 dans la position ouverte représentée sur la Figure 2. Ainsi, lorsque la patte de fermeture 18 est fermée (Figure 1), la surface encollée 40 de patte de fermeture s'applique sensiblement contre la surface encollée de fond 30.The bottom glued surface 30 is advantageously substantially symmetrical with the glued surface 40 with respect to the closing fold 20 in the open position shown in FIG. Figure 2 . Thus, when the closing tab 18 is closed ( Figure 1 ), the glued surface 40 of the closing tab is applied substantially against the bottom glued surface 30.

Dans la position de stockage avant utilisation représentée sur la Figure 3, la patte de fermeture 18 est pliée selon le pli de stockage 36. La portion proximale 32 et la portion distale 34 s'étendent sensiblement dans le plan P. La portion proximale 32 n'est pas pliée selon le pli de fermeture 20, tandis que la portion distale 34 est pliée sur la portion proximale 32 selon le pli de stockage 36.In the storage position before use shown on the Figure 3 , the closing tab 18 is folded according to the storage fold 36. The proximal portion 32 and the distal portion 34 extend substantially in the plane P. The proximal portion 32 is not folded according to the closing fold 20, while that the distal portion 34 is folded over the proximal portion 32 according to the storage fold 36.

Dans la position de stockage, la surface encollée 40 de patte de fermeture ne se situe pas en vis-à-vis de la surface encollée de fond 30. Ainsi, le risque que la patte de fermeture 18 se colle sur le fond 14 est évité.In the storage position, the glued surface 40 of the closure lug is not opposite the bottom glued surface 30. Thus, the risk that the closure lug 18 sticks to the bottom 14 is avoided .

Selon un mode de réalisation particulier, il existe un jeu J (Figure 3) dans la position de stockage entre la portion distale 34 et le fond 14. En d'autres termes, la portion distale 34 ne recouvre pas le fond 14 dans la position de stockage. Au contraire, la portion distale 34 se situe à une distance du fond 14 définissant le jeu J.According to a particular embodiment, there is a game J ( Figure 3 ) in the storage position between the distal portion 34 and the bottom 14. In other words, the distal portion 34 does not cover the bottom 14 in the storage position. On the contrary, the distal portion 34 is at a distance from the bottom 14 defining the set J.

Les surfaces encollées 30, 40 font par exemple environ 1 cm de largeur. Les surface encollées 30, 40 sont avantageusement obtenues, selon une méthode connue en soi, par dépôt d'une colle de façon à former un gommage autocollant de type « colle sur colle ». Cela signifie que les surfaces encollées 30, 40 sont destinées à coller l'une sur l'autre et pas sur d'autres surfaces non encollées de l'enveloppe 2.The glued surfaces 30, 40 are for example about 1 cm wide. The glued surfaces 30, 40 are advantageously obtained, according to a method known per se, by depositing a glue so as to form a self-adhesive "glue-on-glue" type scrub. This means that the glued surfaces 30, 40 are intended to stick to one another and not to other unsized surfaces of the envelope 2.

Par exemple, la colle utilisée est une colle synthétique à base de latex naturel dont les propriétés lui permettent de ne pas coller au papier une fois séchée, mais de coller sur elle-même une fois séchée.For example, the glue used is a synthetic glue based on natural latex whose properties allow it to not stick to the paper once dried, but to stick on itself once dried.

L'enveloppe 2 est avantageusement dépourvue de toute bande adhésive de protection de l'une ou l'autre de la surface encollée 40 de patte de fermeture et de la surface encollée de fond 30, la bande adhésive étant destinée à être retirée avant de fermer l'enveloppe 2.The casing 2 is advantageously devoid of any adhesive tape for protecting one or the other of the glued surface 40 of the closure lug and of the bottom-glued surface 30, the adhesive strip being intended to be removed before closing. the envelope 2.

Plusieurs enveloppes 2 sont par exemple conditionnées sous la forme d'un paquet 42 tel que représenté sur la Figure 5. Les enveloppes 2 sont dans la position de stockage et empilées les unes sur les autres pour former un empilement 43.Several envelopes 2 are for example packaged in the form of a package 42 as shown in FIG. Figure 5 . The envelopes 2 are in the storage position and stacked one on the other to form a stack 43.

Si l'on considère deux enveloppes adjacentes 2A, 2B quelconques de l'empilement 43, la face principale 12 de l'enveloppe 2A étant tournée vers le fond 14 de l'enveloppe 2B, la colle de la surface encollée de fond 30 de l'enveloppe 2B est en contact avec la face principale 12 de l'enveloppe 2A. Toutefois, la surface encollée de fond 30 de l'enveloppe 2B ne colle pas définitivement sur la face principale 12 de l'enveloppe 2A du fait de la nature de la colle utilisée. Il est donc possible de désolidariser l'enveloppe 2B de l'enveloppe 2A. Par conséquent, il est possible de désolidariser du reste de l'empilement 43 toute enveloppe 2 du paquet 42.If we consider two adjacent envelopes 2A, 2B of any of the stack 43, the main face 12 of the casing 2A is turned towards the bottom 14 of the casing 2B, the glue of the surface glued bottom 30 of the 2B envelope is in contact with the main face 12 of the envelope 2A. However, the bottom glued surface 30 of the envelope 2B does not permanently stick to the main face 12 of the envelope 2A because of the nature of the glue used. It is therefore possible to separate the envelope 2B from the envelope 2A. Therefore, it is possible to separate from the rest of the stack 43 any envelope 2 of the packet 42.

Le paquet 42 comprend en outre un lien 44, par exemple une bande en papier ceinturant les enveloppes 2 ou un film de matière plastique (non représenté) enveloppant les enveloppes, pour les retenir les unes contres les autres au sein du paquet 42.The package 42 further comprises a link 44, for example a paper web surrounding the envelopes 2 or a plastic film (not shown) enveloping the envelopes, to hold them against each other within the package 42.

Le fonctionnement d'une enveloppe 2 découle directement de sa structure et va maintenant être décrit.The operation of an envelope 2 derives directly from its structure and will now be described.

Tout d'abord, l'enveloppe 2 est éventuellement extraite du paquet 42 dans lequel elle a été conditionnée. Pour l'extraction, le lien 44 est déchiré ou rompu de façon à libérer les enveloppes 2 de l'empilement 43, ou bien au moins une des enveloppes 2 empilées est extraite du paquet 42 en la faisant glisser hors du paquet 42.First, the envelope 2 is possibly extracted from the package 42 in which it has been packaged. For the extraction, the link 44 is torn or broken so as to release the envelopes 2 of the stack 43, or at least one of the stacked envelopes 2 is extracted from the pack 42 by sliding it out of the pack 42.

L'enveloppe 2 est initialement dans la position de stockage avant utilisation (Figure 3).The envelope 2 is initially in the storage position before use ( Figure 3 ).

La patte de fermeture 18 est alors manipulée pour déplier la portion distale 34 selon le pli de stockage 36 et amener la portion distale dans le plan P, de l'autre côté du pli de stockage 36 par rapport à la portion proximale 32. L'enveloppe 2 est alors dans la position ouverte (Figure 2). Le contenu (non représenté) de l'enveloppe 2 est inséré dans l'espace interstitiel 16.The closure lug 18 is then manipulated to unfold the distal portion 34 along the storage bend 36 and to bring the distal portion into the plane P, on the other side of the storage fold 36 relative to the proximal portion 32. The envelope 2 is then in the open position ( Figure 2 ). The content (not shown) of the envelope 2 is inserted in the interstitial space 16.

Selon un premier mode d'utilisation, l'enveloppe 2 est ensuite scellée en fermant la patte de fermeture 18. Pour ce faire, la patte de fermeture 18 est pliée selon le pli de fermeture 20 de manière à ramener la portion distale 34 contre le fond 14, la portion encollée 40 venant en contact de la portion encollée de fond 30. Ainsi, par l'effet autocollant des surfaces encollées 30, 40, l'enveloppe 2 est scellée dans sa position fermée (Figure 1).According to a first mode of use, the envelope 2 is then sealed by closing the closing tab 18. To do this, the closure tab 18 is folded according to the closing fold 20 so as to bring the distal portion 34 against the bottom 14, the glued portion 40 coming into contact with the bottom-glued portion 30. Thus, by the adhesive effect of the glued surfaces 30, 40, the envelope 2 is sealed in its closed position ( Figure 1 ).

Pour ouvrir l'enveloppe 2, éventuellement après distribution postale, l'enveloppe 2 est par exemple déchirée, soit selon les perforations 27 du pli de fermeture 20, soit selon les perforation 38 du pli de stockage 36, qui facilitent le déchirement.To open the envelope 2, possibly after postal distribution, the envelope 2 is for example torn, either according to the perforations 27 of the closing fold 20 or the perforation 38 of the storage fold 36, which facilitate tearing.

Selon un second mode d'utilisation, l'enveloppe 2 n'est pas scellée, mais est ensuite remise dans la position de stockage. Pour ce faire, la portion distale 34 de la patte de fermeture 18 est simplement repliée selon le pli de stockage 36. Il est ainsi possible de changer ultérieurement le contenu de l'enveloppe 2.According to a second mode of use, the envelope 2 is not sealed, but is then returned to the storage position. To do this, the distal portion 34 of the closure tab 18 is simply folded according to the storage bend 36. It is thus possible to subsequently change the contents of the envelope 2.

Un procédé de fabrication de l'enveloppe 2 va maintenant être décrit.A method of manufacturing the envelope 2 will now be described.

Le procédé comporte une étape d'obtention de la feuille papeterie. Dans l'exemple représenté sur les Figures 1 à 3, l'enveloppe 2 est constituée uniquement par la feuille de papeterie et la colle des surfaces encollées 30, 40.The method comprises a step of obtaining the stationery sheet. In the example shown on the Figures 1 to 3 , the envelope 2 consists solely of the stationery sheet and the glue of the glued surfaces 30, 40.

Puis la feuille de papeterie est découpée selon un patron définissant au moins partiellement la face principale 12, le fond 14 et la patte de fermeture 18, afin d'obtenir la feuille découpée 26 représentée sur la Figure 4.Then the stationery sheet is cut according to a pattern at least partially defining the main face 12, the bottom 14 and the closing tab 18, in order to obtain the cut sheet 26 shown on the drawing. Figure 4 .

La feuille découpée 26 est ensuite pliée pour définir au moins le pli de fermeture 20, le pli de stockage 36 et le pli de fond 28, afin d'obtenir une feuille pliée (non représentée). La feuille découpée 26 est en outre pliée selon les petits côtés 8, 10 pour définir les pattes latérales 22, 24.The cut sheet 26 is then folded to define at least the closure fold 20, the storage fold 36 and the bottom fold 28, to obtain a folded sheet (not shown). The cut sheet 26 is further folded along the short sides 8, 10 to define the side tabs 22, 24.

Avantageusement, le pli de fermeture 20 est perforé pour obtenir les perforations 27. De même, le pli de stockage 36 est avantageusement perforé pour obtenir les perforations 38.Advantageously, the closing fold 20 is perforated to obtain the perforations 27. Similarly, the storage fold 36 is advantageously perforated to obtain the perforations 38.

De la colle est déposée sur la pattes latérales 22, 24. Le fond 14 est plié selon le pli de fond 28 et collé sur les pattes latérales 22, 24.Glue is deposited on the lateral tabs 22, 24. The bottom 14 is folded along the bottom fold 28 and adhered to the lateral tabs 22, 24.

La feuille pliée est ensuite encollée pour obtenir la surface encollée de fond 30 et la surface encollée 40 de patte de fermeture pour obtenir l'enveloppe 2. Il se forme un gommage autocollant sur chacune des surfaces encollées 30, 40.The folded sheet is then sized to obtain the bottom glued surface 30 and the glued surface 40 of the closure tab to form the envelope 2. A self-adhesive scrub is formed on each of the glued surfaces 30, 40.

L'enveloppe 2 est finalement mise dans la position de stockage. Pour ce faire, la portion distale 34 de la patte de fermeture 18 est pliée sur la portion proximale 32 selon le pli de stockage 36.The envelope 2 is finally put in the storage position. To do this, the distal portion 34 of the closure tab 18 is folded over the proximal portion 32 according to the storage fold 36.

Eventuellement, l'enveloppe 2 est empilée avec d'autres enveloppes 2 pour constituer l'empilement 43. Puis l'empilement 43 est ceinturé ou solidarisé par un lien 44 ou un film (non représenté) afin d'obtenir le paquet d'enveloppes 42 (Figure 5).Optionally, the envelope 2 is stacked with other envelopes 2 to constitute the stack 43. Then the stack 43 is surrounded or secured by a link 44 or a film (not shown) to obtain the package of envelopes 42 ( Figure 5 ).

Grâce aux caractéristiques décrites ci-dessus, l'enveloppe 2 est simple à produire. En outre, le fond 14 ne comportant pas de pli supplémentaire pour protéger la surface encollée de fond 30, la cadence de production des enveloppes 2 est augmentée d'un facteur d'environ 30 à 40% , donc le coût unitaire de l'enveloppe 2 est très compétitif. Enfin, une bande protectrice n'étant pas nécessaire, il n'y a pas de déchet lié à l'utilisation de l'enveloppe 2.Thanks to the characteristics described above, the envelope 2 is simple to produce. In addition, the bottom 14 having no additional fold to protect the bottom glued surface 30, the production rate of the envelopes 2 is increased by a factor of about 30 to 40%, so the unit cost of the envelope 2 is very competitive. Finally, a protective strip is not necessary, there is no waste associated with the use of the envelope 2.

Claims (10)

Enveloppe de papeterie (2) autocollante comprenant : - une face principale (12) s'étendant sensiblement dans un plan (P), - un fond (14) définissant avec la face principale (12) un espace interstitiel intérieur (16) pour un contenu de l'enveloppe (2), le fond (14) comportant une surface encollée de fond (30) située sur une face extérieure du fond (14), et - une patte de fermeture (18) séparée de la face principale (12) par au moins un pli de fermeture (20) de l'enveloppe (2) et comportant une surface encollée (40) de patte de fermeture adaptée pour coller sur la surface encollée de fond (30),
l'enveloppe (2) étant mobile entre : - une position ouverte dans laquelle la face principale (12) et la patte de fermeture (18) s'étendent sensiblement dans le plan (P) de part et d'autre du pli de fermeture (20), et - une position fermée dans laquelle la patte de fermeture (18) est pliée sur le fond (14) selon le pli de fermeture (20), la surface encollée (40) de patte de fermeture étant au contact de la surface encollée de fond (30),
caractérisée en ce que : - la patte de fermeture (18) comprend au moins un pli de stockage (36) séparant la patte de fermeture (18) en une portion proximale (32) et une portion distale (34) par rapport à la face principale (12) lorsque l'enveloppe (2) est dans la position ouverte, la surface encollée (40) de patte de fermeture se situant dans la portion distale (32), et - la portion distale (34) est pliée sur la portion proximale (32) selon le pli de stockage (36) dans une position de stockage de l'enveloppe (2) avant utilisation, dans laquelle la portion proximale (32) et la portion distale (34) s'étendent sensiblement dans ledit plan (P), la portion distale (34) se situant, par rapport à la portion proximale (32), du même côté que le fond (14) par rapport à la face principale (12). Self-adhesive stationery envelope (2) comprising: a main face (12) extending substantially in a plane (P), - a bottom (14) defining with the main face (12) an inner interstitial space (16) for a content of the envelope (2), the bottom (14) having a bottom-glued surface (30) located on one side outside of the bottom (14), and - a closing tab (18) separated from the main face (12) by at least one closing fold (20) of the casing (2) and having a glued surface (40) of closing tab adapted to stick on the bottom glued surface (30),
the envelope (2) being movable between: an open position in which the main face (12) and the closing tab (18) extend substantially in the plane (P) on either side of the closing fold (20), and - a closed position in which the closure tab (18) is folded on the bottom (14) according to the closing fold (20), the sealed surface (40) closing tab being in contact with the surface of the bottom glued surface ( 30),
characterized in that the closing tab (18) comprises at least one storage fold (36) separating the closure tab (18) in a proximal portion (32) and a distal portion (34) with respect to the main face (12) when the casing (2) is in the open position, the bonded tab surface (40) being in the distal portion (32), and the distal portion (34) is folded over the proximal portion (32) along the storage fold (36) in a storage position of the envelope (2) before use, in which the proximal portion (32) and the portion distal portion (34) extends substantially in said plane (P), the distal portion (34) being, with respect to the proximal portion (32), on the same side as the bottom (14) relative to the main face ( 12). Enveloppe (2) selon la revendication 1, caractérisée en ce que, dans la position de stockage de l'enveloppe (2), la surface encollée (40) de patte de fermeture se situe à l'écart de la surface encollée de fond (30) dans le plan (P).Envelope (2) according to claim 1, characterized in that , in the storage position of the envelope (2), the glued surface (40) of the closure lug is located away from the bottom-glued surface ( 30) in the plane (P). Enveloppe (2) selon la revendication 1 ou 2, caractérisée en ce que le fond (14) est dépourvu d'un pli séparant le fond (14) en, d'une part, une portion fixée sur la face principale (12) et, d'autre part, une portion mobile par rapport à la face principale (12) et comportant la surface encollée de fond (30), la portion mobile étant destinée à être pliée vers la portion fixe dans la position de stockage de l'enveloppe (2).Envelope (2) according to claim 1 or 2, characterized in that the bottom (14) is devoid of a fold separating the bottom (14) on the one hand, a portion fixed on the main face (12) and on the other hand, a movable portion with respect to the main face (12) and having the bottom glued surface (30), the movable portion being intended to be folded towards the fixed portion in the storage position of the envelope (2). Enveloppe (2) selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la patte de fermeture (18) comporte un seul pli (36) dans la position de stockage de l'enveloppe (2).Envelope (2) according to any one of claims 1 to 3, characterized in that the closing tab (18) comprises a single fold (36) in the storage position of the casing (2). Enveloppe (2) selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'enveloppe (2) est dépourvue d'une bande adhésive de protection de l'une (40) ou l'autre (30) de la surface encollée (40) de patte de fermeture et de la surface encollée de fond (30), la bande adhésive étant destinée à être retirée avant de fermer l'enveloppe (2).Envelope (2) according to any one of claims 1 to 4, characterized in that the casing (2) is devoid of an adhesive tape for protecting one (40) or the other (30) of the glued surface (40) of closure tab and the bottom glued surface (30), the adhesive strip being intended to be removed before closing the envelope (2). Enveloppe (2) selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le pli de stockage (36) comporte des perforations (38) adaptées pour faciliter un déchirement de l'enveloppe (2) selon le pli de stockage (36), l'enveloppe (2) étant dans la position fermée avant le déchirement.Envelope (2) according to any one of claims 1 to 5, characterized in that the storage fold (36) has perforations (38) adapted to facilitate tearing of the envelope (2) according to the storage fold ( 36), the envelope (2) being in the closed position before tearing. Enveloppe (2) selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le pli de fermeture (20) comporte des perforations (27) adaptées pour faciliter un pliage de la patte de fermeture (18) selon le pli de fermeture (20), et pour faciliter un déchirement de l'enveloppe (2) selon le pli de fermeture (20), l'enveloppe (2) étant dans la position fermée avant le déchirement.Envelope (2) according to any one of claims 1 to 6, characterized in that the closing fold (20) has perforations (27) adapted to facilitate folding of the closure tab (18) according to the closing fold (20), and to facilitate tearing of the envelope (2) according to the closing fold (20), the envelope (2) being in the closed position before tearing. Paquet d'enveloppes (42) caractérisé en ce qu'il comprend : - une pluralité d'enveloppes (2) selon l'une quelconque des revendications précédentes, les enveloppes (2) étant dans la position de stockage et formant un empilement (43), la surface encollée de fond (30) d'une enveloppe quelconque (2B) de ladite pluralité étant adaptée pour ne pas coller sur la face principale (12) d'une enveloppe adjacente (2A) de ladite pluralité, la face principale (12) de l'enveloppe adjacente (2A) étant tournée vers ladite enveloppe quelconque (2B), et - un lien (44) ou un film pour retenir l'empilement (43) d'enveloppes (2). Package of envelopes (42) characterized in that it comprises: a plurality of envelopes (2) according to any one of the preceding claims, the envelopes (2) being in the storage position and forming a stack (43), the bottom-glued surface (30) of any envelope (2B) of said plurality being adapted to not stick to the main face (12) of an adjacent envelope (2A) of said plurality, the main face (12) of the adjacent envelope (2A) facing said envelope any (2B), and a link (44) or a film for retaining the stack (43) of envelopes (2). Procédé de fabrication d'une enveloppe de papeterie (2) selon l'une quelconque des revendications 1 à 7, comportant les étapes suivantes : - obtention d'une feuille de papeterie ou d'une bande de papier, - découpe de la feuille de papeterie ou de la bande de papier selon un patron définissant au moins partiellement la face principale (12), le fond (14) et la patte de fermeture (18), afin d'obtenir une feuille découpée (26), - pliage de la feuille découpée (26) pour définir au moins le pli de fermeture (20) et le pli de stockage (36), afin d'obtenir une feuille pliée, - encollage de la feuille pliée pour obtenir la surface encollée de fond (30) et la surface encollée (40) de patte de fermeture pour obtenir l'enveloppe (2), et - pliage de la portion distale (34) de la patte de fermeture (18) sur la portion proximale (32) selon le pli de stockage (36) pour mettre l'enveloppe (2) dans la position de stockage. A method of manufacturing a stationery envelope (2) according to any one of claims 1 to 7, comprising the steps of: - obtaining a stationery sheet or a strip of paper, - Cutting the stationery sheet or the paper web according to a pattern defining at least partially the main face (12), the bottom (14) and the closing tab (18), to obtain a cut sheet (26). ) - folding the cut sheet (26) to define at least the closure fold (20) and the storage fold (36), to obtain a folded sheet, - gluing the folded sheet to obtain the bottom glued surface (30) and the glued surface (40) closure tab to obtain the envelope (2), and - Folding the distal portion (34) of the closure tab (18) on the proximal portion (32) according to the storage fold (36) to put the casing (2) in the storage position. Utilisation d'une enveloppe de papeterie (2) selon l'une quelconque des revendications 1 à 7, dans laquelle, l'enveloppe (2) étant initialement dans la position de stockage, la portion distale (34) de la patte de fermeture (18) est dépliée au moins partiellement selon le pli de stockage (36) pour permettre l'insertion dudit contenu de l'enveloppe (2), puis la partie distale (34) est déplacée de manière à plier la patte de fermeture (18) selon le pli de fermeture (20) et à amener la surface encollée (40) de patte de fermeture au contact de la surface encollée de fond (30), l'enveloppe (2) se trouvant alors dans la position fermée.Use of a stationary envelope (2) according to any one of claims 1 to 7, wherein, the envelope (2) being initially in the storage position, the distal portion (34) of the closure tab ( 18) is unfolded at least partially along the storage fold (36) to allow insertion of said contents of the envelope (2), then the distal portion (34) is moved to fold the closure tab (18). according to the closing fold (20) and bringing the glued surface (40) of the closure tab into contact with the bottom glued surface (30), the envelope (2) being then in the closed position.
EP14153561.7A 2013-02-06 2014-01-31 Self-adhesive paper envelope, corresponding method for manufacturing same and use Withdrawn EP2765088A1 (en)

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FR1351019A FR3001717B1 (en) 2013-02-06 2013-02-06 SELF-ADHESIVE STRAINERY ENVELOPE, METHOD OF MANUFACTURE AND USE THEREOF

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR605739A (en) * 1925-11-06 1926-06-01 Gaut Blancan Et Cie Soc Improvements to bands for envelopes
DE698521C (en) * 1935-12-19 1940-11-12 Gustav Jaeckel Envelope, bag or the like
US3733025A (en) * 1971-06-10 1973-05-15 Tension Envelope Corp Easy opening envelope
US20050173506A1 (en) * 2004-02-09 2005-08-11 Cantar/Polyair Inc. Reusable protective envelope
DE102009025418A1 (en) * 2009-06-16 2010-12-23 Böttcher, Dieter Shipping envelope has pouch for receiving objects to be send, where closure tab is protruded at outer edge of pouch and pouch is extended over portion of length of outer edge
DE202010014645U1 (en) * 2010-10-26 2011-10-13 Lemo Maschinenbau Gmbh packing bags

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR605739A (en) * 1925-11-06 1926-06-01 Gaut Blancan Et Cie Soc Improvements to bands for envelopes
DE698521C (en) * 1935-12-19 1940-11-12 Gustav Jaeckel Envelope, bag or the like
US3733025A (en) * 1971-06-10 1973-05-15 Tension Envelope Corp Easy opening envelope
US20050173506A1 (en) * 2004-02-09 2005-08-11 Cantar/Polyair Inc. Reusable protective envelope
DE102009025418A1 (en) * 2009-06-16 2010-12-23 Böttcher, Dieter Shipping envelope has pouch for receiving objects to be send, where closure tab is protruded at outer edge of pouch and pouch is extended over portion of length of outer edge
DE202010014645U1 (en) * 2010-10-26 2011-10-13 Lemo Maschinenbau Gmbh packing bags

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