FR2768405A1 - CORRUGATED SHEET OF PAPER FOR MAKING A PACKAGING - Google Patents

Abstract

A flat sheet 101 of corrugated paper includes plural side wall members 1A, 1B, 1C and 1D, first and second lower side members 2A and 2C, first and second bottom members 2B and 2D, first and second upper side members 3A and 3C, and first and second cover elements 3B and 3D. The sheet 101 can be folded to form a package 301. Another sheet 102 of corrugated paper includes a plurality of side wall members 1A, 1B, 1C and 1D, first and second lower side members 2A and 2C, first and second. second bottom members 2B and 2D, first and second upper side members 3A and 3C, an inner cover member 3B and an outer cover member 3D. Sheet 102 can be folded to form a package 302. A box 203 for accessories is placed in package 302. Box 203 for accessories can be made by folding a flat sheet 103 of corrugated paper.

Description

Sheet of corrugated paper for making packaging Field of the invention

  This invention relates to sheets of corrugated paper for making packaging. Background of the Invention Polystyrene foam is widely used for packaging, among other things, electrical and electronic items, in corrugated boxes. This use of polystyrene foam constitutes, however, a waste of precious materials if we take into account the fact that this material is obtained from limited natural resources.

  tees such as petroleum. Also, throwing away styrofoam packaging causes serious and many problems. We should therefore avoid using polystyrene foam for such packaging.

  and use other materials than polystyrene for this use. For this reason, cardboard packaging is also used today and the use of this material should be encouraged as it does not cause the serious problems associated with the use of

  polystyrene foam. The most widely used packages of corrugated paper today are block-shaped packages obtained by adhering together sheets of corrugated paper. However, these packages must be prepared in addition to the corrugated box in which the item is packaged. In addition, it takes a long time to produce these packages and this operation is complicated. Also, these block-shaped packages take a lot

  take up space and are therefore awkward to move or transport. SUMMARY OF THE INVENTION Under these conditions, an object of the invention is to provide a single flat sheet of corrugated paper which can easily be folded to form a package, intended to accommodate a fax machine, a video recording device or an article similar, without using other packaging means such as polystyrene foam or corrugated paper. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a flat sheet 101 of corrugated paper which can be

  folded over to form a package 301 shown in FIG. 11. Fig. 2 is a perspective view of the sheet 101 of FIG. 1. Figs. 3 to 10 show how the sheet 101 can be folded to form the package 301. FIG. 11 shows the packaging 301 finished. Fig. 12 shows another flat sheet 102 of corrugated paper according to the invention. Fig. 13 is a perspective view of the sheet 102 of FIG. 12. Figs. 14 to 21 illustrate how the sheet 102 can be folded to form the package 302 of FIG. 26. Fig. 22 shows a flat sheet 103 of foldable corrugated paper to form a box 203 for accessories, according to FIG. 25. Figs. 23 and 24 illustrate how the sheet 103 can be folded to form a box 203 for accessories. Fig. 25 shows a finished box 203, for accessories. Fig. 26 shows a finished package 302.

  DETAILED DESCRIPTION OF THE INVENTION A flat sheet 101 of FIG. 1 foldable to form a package 301 of FIG. It will be described below in detail. Referring to fig. 1, the sheet 101 comprises, as median elements of FIG. 1, four side wall elements IA, IB, 1C and 1D, as well as a tongue element IE. As shown, the side wall elements IA to ID are located between the major fold lines A and B parallel, extending longitudinally. The tab IE is provided to adjoin the side wall element ID. Also, the sheet 101 includes, as bottom elements in FIG. 1, a first lower lateral element 2A, a first bottom element 2B, a second element la-

  lower mineral 2C and a second 2D background element. These lower elements are separated from the side wall elements by the fold line A. In addition, the sheet 101 comprises, as upper elements

  res in fig. 1, a first upper side member 3A, a first cover member 3B, a second upper side member 3C, and a se-

  cond 3D cover element. These upper elements are separated from the side wall elements by the fold line B. Each side wall element (IA to 1D) is a simple square element

  and only the side wall element IA has an oval portion 90 which is delimited by a cutout 4 and a short fold line 91. The first and second lower side elements 2A and 2C have almost the same shape and the same structure . This means that each lower side member essentially comprises a base section 34, a wall section 35, a horizontal support surface section 7, a protruding section 8, a vertical support surface section 36, an upper section 10 and a contact section 5. The lower side element

  laughing (2A, 2C) also includes two parallel elongated slots 6 and 6,

  as well as two parallel short slots 11 and 11. The upper section 10 is separated into left and right halves 10A and 10B (fig. 2) by the short slots 11, 11. Between the slots 11 and 11, there are lines of parallel folding F1, F2 and F3. In addition, the lower lateral element has a projecting section 8 which is delimited by the fold line F1 and a cutout 9 in the form of an inverted channel. The lower side member also has a pair of reinforcing pieces 12 and 12. Also, the contact portion 5 of each lower side member includes a pair of deflectors.

  sections 13 and 13 in the form of inverted channels. The first lower side member 2A also has an oval opening 14 in its contact section 5, but the second lower side member 2C does not have such an opening. The first and second lower elements 2B and 2D have almost the same structure and the same shape, except that the first bottom element 2B has a semi-circular opening 19. This means that each bottom element comprises a bottom bottom section 15A, an upper bottom section 15B and an inner wall section 16, as well as parallel fold lines H1 and H2 extending longitudinally. The bottom bottom section 15A is bounded by the major fold line A and the fold line HI, while the bottom bottom bottom section 15B is bounded by the fold line H2, a fold line I extending longitudinally and a pair of projecting portions 17, 17, each delimited by a cutout 18 in the form of an inverted channel. The fold line is interrupted by the cutouts 18, 18. The internal wall section 16 is separated from the upper bottom section 15B by the fold line I and the cutouts 18, 18. The first and second upper side elements 3A and 3C are from

  completely similar structure. Each upper side member includes an upper surface section 32, an upper wall section 29, a middle surface section 21, a lower wall section 22 and a lower surface section 23. A curved slot 31 extends as well in the upper surface section 32 as in the upper wall section 29. The upper wall section 29 comprises a pair of openings 33, 33. The lower wall section 22 comprises a pair of projecting portions 24, 24, each being delimited by a cutout 25 in the form of an inverted channel. The first upper lateral element 3A also comprises a straight slot 26, while the second upper lateral element 3C comprises an opening 28 constituted by a straight portion and a triangular portion. The first and second cover elements 3B and 3D have exactly the same shape and the same structure. In this case, each cover element (3B, 3D) comprises a simple square section 30A and an elongated flap section 30B. These two sections 30A and 30B are separated from each other by a fold line M extending longitudinally. The flat sheet 101 of corrugated paper is folded as follows. Before starting to fold this sheet to constitute the packaging 301 of FIG.

  11, a hook-shaped portion 12a of each reinforcement piece 12 of the lower lateral element (2A, 2C) should preferably be folded along the fold line G in order to engage with one of the cutouts 13, 13 in the form of an inverted channel, so that the hook-shaped portion 12a comes to lodge in the cutout 13. Next, to fold the sheet 101 to constitute the package 301, the sheet is first folded between the side wall elements lB and 1C and then the sec-

  the tongue 1E is glued to the side wall element 1A (fig. 1). Then the sheet is put into a square form, as shown in fig. 4. Then, as shown in fig. 5, the bottom elements 2B and 2D are folded inwards at the fold line A, until the bottom element 2B comes into contact with the side wall element lB and the cover element 3B and the bottom element 2D come into contact with the side wall element ID and the cover element 3D. Then each lower side element (2A, 2C) is folded as

  follows. First, the base section 34 is folded along the major fold line A, to bring it into a horizontal position. Then, the wall section 35 is folded along a fold line C1, to bring it into a vertical position. Then the support surface section ho-

  rizontale 7 is folded along the fold line And to bring it into a horizontal position, above the base section 34. Then, the vertical support surface section 36 is folded along the fold line E2, for the 'bring it to a vertical position. In these conditions,

  the projecting portion 8 projects downwards. Then the upper section

  lower 10 is folded outwards, along a fold line E3, to bring it into a horizontal position. Then, the contact section 5 is folded along a fold line D, to bring it into a vertical position, so that the contact section 5 is brought into contact with the side wall element 1A or 1C. Each lower side element (2A, 2C) is also folded along a fold line C2, so that the fold line C2 comes in the same vertical plane as that in which the wall section has been positioned. Also, the lower lateral element is folded along the fold lines F1, F2 and F3, so that the portion between the fold lines F1 and F2 comes in the same vertical plane as that in which the section of the vertical support surface 36, the portion between the fold lines F2 and F3 comes in a horizontal plane which is between the left and right halves 10A and O10B of the upper section 10 and which is lower than the horizontal plane of the upper section 10, and the portion between the fold lines F3 and D takes a vertical position. Thus, the portion between the fold lines D and F3 and the portion between the fold lines F3 and F2 constitute the hollow a of FIG. 8. When the first ele-

  lower lateral ment 2A, when its contact section 5 has been brought into contact with the side wall element 1A, the oval opening 14 of the contact section 5 coincides with the oval portion 90 of the pa

  lateral king IA and, now, the oval portion 90 and folded inwards along the fold line 91, to engage the oval portion 90 with the oval opening 14 of the contact section 5. This opening 14 facilitates the manipulation of the sheet 101. Next, from the position of FIG. 5, the bottom bottom section 15A of each bottom element (2B, 2D) is folded along the line

  of major folding A, to bring it into a horizontal position and the rest of the bottom element is folded along the folding line HI to bring it into a vertical position (fig. 7). Then, the upper bottom section 15B is folded along the fold line H2 to bring it into a horizontal position, located above the bottom bottom section 2B while being parallel to this section. Then, the inner wall section 16 is folded along the fold line I to bring it into a vertical position, parallel to the side wall member Ib or 1D. The result is that the projecting portions 17, 17, project downward.

  Finally, one end of the inner wall section 16 is engaged with one of the slots 6, 6 of one of the first and second lower side members 2A, 2C and the other end of the inner wall section 16 is also engaged with a slots 6, 6 on the other of said first and second lower lateral elements 2A, 2C. An article (not shown), such as a video recorder or a facsimile machine, is placed on the two bottom elements 2B and 2D, so that each terminal portion of the article comes to be housed in a hollow T at right angles formed in the horizontal and vertical support surface sections 7 and 36 of the first or second lower side members 2A or 2C. Then each upper side member (3A, 3C) is folded as follows. The upper surface section 32 is folded inward along the major fold line B, to bring it into a horizontal position. Then, the upper wall section 29 is folded down along the fold line J1 to bring it into a vertical position. Next, the middle surface section 21 is folded along the fold line J2 to bring it into a horizontal position, below the top surface section 32. Then, the bottom wall section 22 is folded down, according to the fold line K, to bring it into a vertical position, with the result that the projecting portions 24, 24 project outward. Finally, the lower surface section 23 is folded outwards, along the fold line L, to bring it into a horizontal position. The result of this folding operation is that the middle surface section 21 of each upper lateral element (3A, 3C) covers one of the terminal portions oppo-

  of the article placed on the background elements 2B and 2D.

  Then, the elongated shutter section 30B of each cover member (3B, 3D) is folded relative to its square section 30A so that the shutter section 30B forms a right angle with the internal surface of the square section 30A. Then, the square section 30B is folded inward along the major fold line B and the section of vo-

  let 30B is inserted into the corresponding slots 31, 31 of the two lower lateral elements 2A and 2C (fig. 10). The complete package 301 of fig. It is thus obtained. As the slots 31 are curved, the flap section 30B or, more precisely, the opposite end portions of the flap section of each cover member, are bent by insertion into the windows. At this time, when the flap sections 30B are engaged in the slots 31, there is less risk that the cover elements 3B and 3D accidentally open. Also, the shutter section 30B of the first cover member 3B, inserted in the same slots 31, presses on the shutter section 30B of the second cover member 3D and, therefore, when the shutter sections in the slots 31 receive a shock, the shutter sections are capable of distributing the shock in a regular manner in the horizontal direction. The reference number 201 of figs. 6 to 10 indicates a semi-complete packaging. Fig. 12 shows another sheet 102 of corrugated paper according to the invention. This sheet 102 can be folded to form a package 302 of FIG. 26. This sheet 102 has longitudinal parallel fold lines A and B extending longitudinally and it comprises side wall elements 1A, 1B, IC and ID. Each side wall element (1A, 1C) has an elliptical engagement section 108 which is delimited by a short fold line 100 extending longitudinally and a cutout 101. A tongue element 1E is provided to adjoin the element of side wall ID. Sheet 102 also includes, as inferior elements

  laughers of fig. 12, a first lower lateral element 2A, a first bottom element 2B, a second lower lateral element 2C and a second 2D bottom element. These elements are separated from the respective side wall elements 1A, 1B, 1C and 1D, by the major fold line A. The sheet 102 also has the upper elements of FIG. 12, a first upper lateral element 3A, an internal cover element 3B,

  a second upper side member 3C and a 3D outer cover member. These elements are separated from the respective side wall elements lA, lB, 1C and iD by the major fold line B. Each lower side element (2A, 2C) comprises (i) a base section 92 delimited by the major fold line A and a fold line A extending longitudinally (ii), a wall section 61 separated from the base section 92 by a fold line C1 extending longitudinally, (iii) a horizontal support surface section 93 separated from the wall section 61 by a fold line C2 extending longitudinally, (iv) a vertical support surface section 94 separated from the horizontal support surface section 93 by a fold line C3 s' extending longitudinally, (v) an upper section 10 separated from the vertical support surface section 94 by a fold line C4 extending longitudinally and (vi) a contact section 5 separated from the upper section 10 by a fold lineC5 extending longitudinally. The contact section 5 has an opening 66. The contact section 5 also has a small channel-shaped cutout 95 disposed along the fold line CS. The first lower side member 2A further comprises a slot 68 extending transversely and parallel to the slot 6, as well as a large opening 67 which extends both in the vertical support surface section 94 and in the upper section 10. The wall section 61 has a pair of openings 63 and 63. The horizontal support surface section 93 has a projecting portion 69 which is delimited by a cutout 65 in the form of an inverted channel. The opposite edges of the horizontal support surface section 93 and the vertical support surface section 94 are delimited by a slit 6 extending transversely and an opening 64 formed as a rhombus. Each bottom element (2B and 2D) has upper and lower bottom sections 15B and 15A and an inner wall section 16. Each bottom element has parallel fold lines HI and H2 extending along it.

  gitudinally and a fold line I extending longitudinally. An opening 63 is provided between the fold lines H1 and H2. The bottom bottom section 15A is bounded by the major fold line A and the fold line H1, while the top bottom section 15B is bounded by the fold lines H2 and I. The inner wall section 16 is separated from the upper bottom section 15B by the fold line I. The first upper side member 3A comprises an upper surface section 32, an upper wall section 97, a middle surface section 21, a lower wall section 22, a sur-

  lower face 96 and a cover section 105. The upper surface section 32 is located between the major fold line B and a fold line L4 extending longitudinally. The cover section 105 and the upper surface section 32 are separated from each other by a cutout 60 extending transversely. The upper wall section 97 is separated from the upper surface section 32 by a fold line L4 extending longitudinally. One or

  verture 45 and a slot 46 both extend over the upper surface section 32 and over the upper wall section 97. The fold line L4 is interrupted by the opening 45 and the slot 46. The middle surface section 21 is separated from the upper wall section 97 by a fold line L3 extending longitudinally. The bottom wall section 22 is separated from the middle surface section 21 by a fold line L2 extending longitudinally. An opening 58 extends over both the middle surface section 21 and the bottom wall section 22. The bottom surface section 96 is separated from the bottom wall section 22 by a fold line L1 extending longitudinally. The second upper side member 3C includes an upper surface section 32A, an upper wall section 97A, a middle surface section 21A, a lower wall section 22A, a surface section

  lower face 96A and a cover section 106. The upper surface section 32A is located between the major fold line B and a fold line L4 extending longitudinally. The cover section 106 and the upper surface section 32A are separated from each other by a cutout 60 extending transversely. The upper wall section 97A is separated from the upper surface section 32A by a fold line L4 extending longitudinally. An opening 45 and a slot 46 both extend over the upper surface section 32A and the upper wall section 97A. The line of

  folding L4 is interrupted by an opening 45 and by a slot 46. The middle surface section 21A is separated from the upper wall section 97A by a folding line L3 extending longitudinally. The bottom wall section 22A is separated from the middle surface section 21A by a fold line L2 extending longitudinally. An edge of the middle surface section 21A is delimited by an opening 59 and an edge of the bottom wall section 22A is also delimited by the same opening 59. The bottom surface section 96A is separated from the bottom wall section 22A by a fold line Li extending longitudinally. The inner cover member 3B has a plurality of parallel fold lines LS, L6, L7, N, O, P1 and P2, extending longitudinally. The inner cover member 3B also includes an upper section 41, a vertical surface section 98, a horizontal surface section 99, a wall section 42, a cover section 43 and a support section 44. The upper section 41 is delimited essentially by the major fold line B and by the fold lines L5 and N. The vertical surface section 98 is located between the fold lines LS and L6. The horizontal surface section 99 is located between the fold lines L6 and L7. The opposite edges of the vertical and horizontal surface sections 98 and 99 are delimited by a pair of curved slots 47, 47. The wall section 42 is located between the fold lines N and O. The cover section 43 is located between the fold lines O and P1. Also, the cover section 43 has a channel-shaped cutout 49. The support section 44 is partially defined by the fold line P2. A small cover section 51 occupies part of the internal cover member 3B, as well as part of the side wall member Ib. The small cover section 51 is delimited by a cutout 52 in the form of an inverted channel. The 3D outer cover member includes a body section 55A and a flap section 55B. The 3D outer cover member also has an opening 57 between the body section 55A and the flap section 55B.

  The packaging is carried out with the sheet 102 as follows. To fold this sheet into packaging 302 of FIG. 26, the side wall elements

  1A and 1D are first folded, respectively on the side wall elements IB and 1C and the tongue element 1E is glued to the side wall element IA (fig. 14). Then, as shown in fig.

  15, the sheet 102 is produced with a square shape. The bottom elements 2B and 2D are folded inwards, respectively along the major fold lines A on the side elements lB and 1D. Then, each lower side member (2A, 2C) is folded as follows. First, the base section 92 is folded inward along the major fold line A, to bring it into a horizontal position. Then, the wall section 61 is folded along the fold line Ci, to bring it to a vertical position. Then the horizontal support surface section 93 is folded along the fold line C2 for the web.

  ner in a horizontal position, above the base section 92. Next, the vertical support surface section 94 is folded along the fold line C3, to bring it to a vertical position. Under these conditions, the projecting portion 69 is oriented downwards. Then, the portion external to the opening 64, as well as the portion external to the slot 6, are folded along the fold line C6, so that the fold line C6 comes into a position directly above the fold line C1. Then, the upper section 10 is folded outwards along the fold line C4, to bring it into a horizontal position. Then, the contact section 5 is folded along the fold line C5, to bring it into a vertical position and the engagement section 108 of the side wall element 1A or IC is folded inward along the line of folding 100 and brought into engagement with the opening 66 of the contact section 5, so that the contact section 5 is held by the engagement section 108. Next, each bottom element (2B, 2D ) is folded down along the fold line A, until the bottom bottom section 15A comes to a horizontal position. Then, the bottom bottom element is folded along the fold line H1 to put in a vertical position the portion between the fold lines HI and H2. Then, the upper bottom section 15B is folded along the fold line H2, to bring it into a horizontal position, above the lower bottom section 15A. Next, the inner wall section 16 is folded along the fold line I to bring it into a vertical position parallel to the side wall member Ib or 1D.

  Then the opposite end portions of the internal wall section 16 of the first bottom element 2B are brought into engagement, respectively.

  vement, with the opening 64 of the first lower side member 2A and with the opening 64 of the second lower side member 2C and, at the same time, the opposite end portions of the inner wall section 16 of the second 2D bottom member are brought to engage, respectively, with the slot 6 of the second lower side member 2C and with the slot 6 of the first lower side member 2A. When an article (not shown), such as a video recorder or a fax machine, is placed on the two bottom elements 2B and 2D so that each terminal portion of the article is housed in a right-angled recess formed by the horizontal and vertical support surface sections 93 and 94 of the first or second lower side member 2A or 2C. Then, each upper lateral element (3A, 3C) is folded as shown in FIG. 19. This means that the upper surface section (32, 32A) is first folded outwards along the major fold line B, to bring it into a horizontal position. Next, the upper wall section (97, 97A) is folded along the fold line L4 to bring it to a vertical position, and then the middle surface section (21, 21A) is folded towards the interior along the fold line L3, to bring it into a horizontal position. Then, the bottom wall section (22, 22A) is folded along the fold line L2 to bring it into a vertical position and the lower surface section (96, 96A) is folded inward according the LI folding line,

  to bring it into a horizontal position. The cover section (105, 106) is folded outward along the major fold line B. Next, as shown in FIG. 20, the entire upper side member (3A, 3C) except the cover section (105, 106), is rotated through an angle of 180 degrees. Then, a box 203 for accessories

  res of fig. 25 is placed in the semi-complete package 202 of FIG. 20, between the cover sections 105 and 106 and then the cover sections 105 and 106 are closed. Next, the inner cover member 3B is folded, as shown in FIG. 20. This means that the upper section 41 is first folded outwards along the fold line B, to bring it into a horizontal position. Then the section of

  vertical surface 98 is put in a vertical position, by folding

  vant the fold line L5 and the horizontal surface section 99 is folded outward along the fold line L6, to bring it into a horizontal position. Next, the wall section 42 is brought into a vertical position, by folding along the fold line N and the cover section 43 is folded outward along the fold line O. Next, the entire inner cover member 3B is turned by an angle of 180 degrees to cover the article (fig. 21). Finally, the covering element

  3D outer ring is turned inward and its flap section 55B is brought into engagement with the small cover section 51 so that the small cover section 51 is received in the opening 57 of the element of external 3D cover (fig. 26). A package 302 of FIG. 26 is made in this way. The reference number 202 of figs. 17 to 21 indicates the semi-complete packaging. Box 203 for accessories of fig. 25 can be produced by folding a flat sheet 103 of corrugated paper of FIG. 22. As shown, the sheet 103 comprises a central element 71 and two side elements 72, 72 arranged so that the central element 71 is disposed between them and so as to be symmetrical with respect to the central element 71, having exactly the same shape and the same size. The central element 71 comprises two sections of opposite external end walls 73, 73, a first bottom section 83, an internal end wall section 76 and a second bottom section 82. Each end wall section

  external end 76 also has a slot 87. The internal end wall section 76 has three sides delimited by a cutout 77. Each lateral element 72 comprises an external side wall section 86, an upper section 85 and an internal side wall section 84 The internal side wall section 84 has three slots 79. The upper section 85 has two openings 80 which facilitate handling of the sheet 103. To fold the sheet 103 into a box 203 for accessories of FIG. 25, the external end wall sections 73, 73 of the central element 71 are brought into vertical position by folding along the respective fold lines 74, 74. Also, the internal end wall section 76 of the central element 71 is put in vertical position by folding along fold line 78 (fig. 25). Then, the outer side wall section 86 of each side member 72 is brought into a vertical position by

  folding along a folding line Q3 (fig. 21). Then the upper section

  85 is folded outwards along the fold line Q1 to bring it into a horizontal position (fig. 21). Then, the internal side wall section 84 is brought into a vertical position, by folding along a fold line Q2 (fig. 21). Then, the accessories of the article (not shown) placed in the practically complete packaging of FIG. 20 can be placed in the space between the outer end wall section 73 of the central member 71 and the inner end wall section 76 thereof, as well as on the second bottom section 82 thereof. Then, the inner side wall section 84 and the upper section 85 are folded along the fold line Q1 so that the slots 79 of the inner side wall section 84 engage with the windows.

  your respective 87 of the central element 71 (fig. 24). The box 203 is thus obtained for accessories of FIG. 25. It should be noted, however, that fig. 25 illustrates the structure 203 which has been turned inside out after it has been produced according to the above-mentioned steps.

Claims (2)

Claims   1. Flat sheet 101 of corrugated and foldable paper to form a package 301, which comprises: (A) major parallel fold lines A and B extending longitudinally, (B) a plurality of side wall elements IA, 1B, 1C and 1D, (C) a tongue element 1E intended to adjoin the side wall element 1D, (D) a first lower lateral element 2A, a first bottom element 2B, a second lower lateral element 2C and a second 2D bottom element, which are separated from the respective side wall elements lA, lB, IC and 1D, by the major fold line A, (E) a first upper side element 3A, a first cover element 3B, a second upper side element 3C and a second cover element 3D which are separated from the respective side wall elements IA, 1B, IC and 1D, by the major fold line B, each of the first and second lower side elements 2A and 2C including: (i) a base section 34 delimited by the major fold line A and a fold line C1, extending longitudinally, (ii) a wall section 35 delimited substantially by the fold line C1 and a fold line And extending longitudinally , (iii) a horizontal support surface section 7, delimited by the fold line El, parallel elongated slots 6, 6 extending transversely, a cutout 9 in the form of an inverted channel and a fold line E2 s extending longitudinally, (iv) a vertical support surface section 36 delimited by the fold line E2, the parallel short slots 6, 6 extending transversely, the elongate slots 6, 6 and a fold line E3 extending longitudinally, which is interrupted by the short slots 11, 11, (v) of the short parallel fold lines FI, F2 and F3 extending longitudinally and arranged between the short slots 11, 1, (vi) an upper section 10 separated in half right and left halves O10A and O10B, by the short slots 11, 11, the upper section 10 being delimited substantially by the fold line E3, a fold line D extending longitudinally and the short slots 11, 11 , (vii) a fold line C2 extending longitudinally and separated in half left and half right by the horizontal support surface section 7, (viii) a contact section 5, separated from the upper section 10 by the fold line D and having a pair of cutouts 13, 13 in the form of inverted channels, the contact section 5 of the first lower side member 2A having an oval opening 14, but the contact section 5 of the second lower side member 2B n '' not having such an opening, and (ix) a pair of reinforcing pieces 12, 12, each separated from the rest of the lower lateral element by a fold line G extending transversely and having a portion 12a in the form hook, ch none of the first and second bottom elements 2B and 2D comprising upper and lower bottom sections 15B and 15A and an inner wall section 16, and also having longitudinal fold lines Hi and H2 extending longitudinally, a fold line I and a pair of projecting sections 17, 17 each delimited by a cutout 18 in the form of an inverted channel, the fold line I being interrupted by the projecting portions 17, 17, the bottom bottom section 15A being delimited by the fold line major A and the fold line HI, the upper bottom section 15B being delimited by the fold lines H2 and I, and by the cutouts 18, 18, the internal wall section 16 being separated from the upper bottom section 15B by the fold line I and through the cutouts 18, 18, and the internal wall section 16 of the first bottom element 2B having a semicircular opening 19, while the second 2D bottom element has no opening, the first and second upper side members 3A and 3C each comprising an upper surface section 32, an upper wall section 29, a middle surface section 21, a lower wall section 22 and a lower surface section 23, each said upper lateral element also having parallel fold lines J1, J2, K and L, extending longitudinally, the upper surface section 32 being between the major fold line B and the fold line J1, the wall section upper 29 being separated from the upper surface section 32 by the fold line J and having a pair of openings 33, 33, a curved slot 31 extending both in the upper surface section 32 and in the upper wall section 29, the middle surface section 21 being separated from the upper wall section 29, by the fold line J2, the lower wall section 22 being separated from the section of median surface 21 by the fold line K and of the lower surface section 23 by the fold line L, the lower wall section 22 having a pair of projecting portions 24, 24, each being delimited by a cutout 25 in the form of an inverted channel, the first upper lateral element 3A further comprising a straight slot 26 and the second upper lateral element 3B further comprising an opening 28 which comprises a straight portion and a triangular portion and each of the first and second elements cover 3B and 3D comprising a simple square section 30A and an elongated shutter section 30B which are separated from each other by a fold line M extending longitudinally.   2. Combination of flat sheets 102 and 103 of corrugated paper which can be folded to respectively form a package 302 and a box 203 for accessories, said accessory box 203 being provided to be placed in said package 302, said sheet 102 comprising ( A) longitudinal major fold lines A and B extending longitudinally, (B) a plurality of side wall elements 1A, lB, 1C and 1D each of the first and second side wall elements IA and IC having a cross section d elliptical engagement 108 which is delimited by a short fold line 100 extending longitudinally and a cutout 101, (C) a tongue element 1E provided for adjoining the side wall element 1D, (D) a first lower side element 2A, a first bottom element 2B, a second lower side element 2C and a second bottom element 2D, which are separated from the respective elements of side walls IA, lB, iC and 1D, through the major fold line A, (E) a first upper side element 3A, an inner cover element 3B, a second upper side element 3C, and an outer cover element 3D which are separated from the respective side wall elements iA, lB, IC and ID by the major fold line B, the first and second lower side elements 2A and 2C each comprising: (i) a base section 92 delimited by the major fold line A and by a fold line A extending longitudinally, (ii) a wall section 61 separated from the base section 92 by a fold line C1 extending longitudinally, the wall section 61 having a pair of openings 63 and 63, (iii) a horizontal support surface section 93 separated from the wall section 61 by a fold line C2 extending longitudinally, the horizontal support surface section 93 having a projecting portion 69 which is delimited by a cut 65 in the form of a reverse channel, (iv) a vertical support surface section 94 separated from the horizontal support surface section 93 by a fold line C3 extending longitudinally, the opposite edges of the surface support section horizontal support 93 and the vertical support surface section 94 being delimited by a slit 6 extending transversely and by a diamond-shaped opening 64, (v) an upper section 10 separated from the support surface vertical 94 by a fold line C4 extending longitudinally, (vi) a contact section 5, separated from the upper section 10 by fold line C5 extending longitudinally, the contact section 5 having an opening 66 , the contact section also having a small channel-shaped cutout 95 provided along the fold line C5, the first lower lateral element 2A further comprising a slot 68 extending transversely and parallel the slot 6, and a large opening 67 which extends as well on the vertical support surface section 94 as on the upper section 10, the first and second bottom elements 2B and 2D each comprising upper and lower bottom sections 15B and 15A and an internal wall section 16 and also having parallel fold lines H1 and H2 extending longitudinally, a fold line I extending longitudinally and an opening 63 provided between the fold lines H1 and H2, the lower bottom section 15A being delimited by the major fold line A and by the fold line H1, the upper bottom section 15B being delimited by the fold lines H2 and I, and the inner wall section 16 being separated from the upper bottom section 15B through the fold line I, the first upper side member 3A comprising an upper surface section 32, an upper wall section 97, a surface section middle 21, a lower wall section 22, a lower surface section 96 and a cover section 105, the upper surface section 32 lying between the major fold line B and the fold line L4 extending longitudinally, the cover section 105 and the upper surface section 32 being separated from each other by a cutout 60 extending transversely, the upper wall section 97 being separated from the upper surface section 32 by a fold line L4 extending longitudinally, an opening 45 and a slot 46 both extending in the upper surface section 32 and in the upper wall section the fold line L4 being interrupted by the opening 45 and the slot 46, the section of median surface 21 being separated from the upper wall section 97 by a fold line L3 extending longitudinally, the lower wall section 22 being separated from the section of su middle face 21 by a fold line L2 extending longitudinally, an opening 58 extending both on the middle surface section 21 and on the bottom wall section 22 and the bottom surface section 96 being separated from the section lower wall 22 by a fold line LI extending longitudinally, the second upper lateral element 3C comprising an upper surface section 32A, an upper wall section 97A, a middle surface section 21A, a wall section lower 22A, a lower surface section 96A and a cover section 106, the upper surface section 32A lying between the major fold line B and a fold line L4 extending longitudinally, the cover section 106 and the upper surface section 32A being separated from each other by a cutout 60 extending transversely, the upper wall section 97A being separated from the section of upper surface 32A by a fold line L4 extending longitudinally, an opening 45 and a slot 46 both extending in the upper surface section 32A and the upper wall section 97A, the fold line L4 being interrupted by a opening 45 and through a slot 46, the middle surface section 21A being separated from the top wall section 97A by a fold line L3 extending longitudinally, the bottom wall section 22A being separated from the middle surface section 21A by a fold line L2 extending longitudinally, an edge of the middle surface section 21A and an edge of the bottom wall section 22A being delimited by an opening 59, and the bottom surface section 96A being separated from the section of the lower wall 22A by a fold line LI extending longitudinally, the inner cover member 3B having a plurality of parallel fold lines L5, L6, L7 , N, O, P1 and P2 extending longitudinally and comprising an upper section 41, a vertical surface section 98, a horizontal surface section 99, a wall section 42, a cover section 43 and a support section 44, the upper section 41 being defined substantially by the major fold line B and by the fold lines L5 and N, the vertical surface section 99 lying between the fold lines L5 and L6, the surface section horizontal 99 being located between the fold lines L6 and L7, the opposite edges of the vertical and horizontal surface sections 98 and 99 being delimited by a pair of curved slots 47, 47, the wall section 42 being between the fold lines N and O, the cover section 43 being between the fold lines O and P1, the cover section 43 having a channel-shaped cutout 49, the support section 44 being partially delimited by the fold line P2, and a little se cover part 51 occupying part of the internal cover element 3B as well as part of the side wall element lB and said small cover section 51 being delimited by a cutout 52 in the form of an inverted channel, l '3D outer cover member comprising a body section 55A and a shutter section 55B, and the 3D outer cover member also having an opening 57 between the body section 55A and the shutter section 55B, said flat sheet 103 in corrugated paper comprising a central element 71 and two lateral elements 72, 72 which are located on either side of the central element 71 while being symmetrical with respect to the central element 71 and having exactly the same shape and the same structure, the central opening 71 comprising (i) two sections of opposite external terminal walls 73, 73, (ii) a first bottom section 83 provided to adjoin one of the two sections of external terminal walls and separated from e this by a fold line 74, (iii) an internal end wall section 76 provided to adjoin the first bottom section 83 being separated from the first bottom section 83 by a fold line 78 and having three sides delimited by a cutout 77, and (iv) a second bottom section 82 lying between the internal end wall section 76 and the other of the two external end wall sections, being separated from the end wall section in - dull 76 by the cutout 77 and on the other of the two sections of external end walls by a fold line 74, each of said sections of external end walls 73 having a slot 87, the section of internal end wall 76 also having a slot 87, each said side element 72 comprising (i) an external side wall section 86 separated from the central element 71 by a fold line Q3, (ii) an upper section 85 provided to adjoin the side wall section external 86, being separated from the external side wall section 86 by a fold line QI and having several openings 80, and (iii) an internal side wall section 84 provided to adjoin the upper section 85 while being separated of the upper section 85 by the fold line Q2.