FR2687646A1 - CONTAINER. - Google Patents

Abstract

A container (10) comprising nested containers (12, 14) consisting of an inner container (12) and an outer container (14), which tightly surrounds the inner container (12). The resulting container is in the form of a single box provided with a tear strip (158, 138) extending around the front face (120, 320) and two sides (128, 130, 328, 330). The container is opened by tearing the tear strip (158, 358) from the container (10), to reveal the inner container (12) lying just below. The inner container is opened by removing a part (58), to reveal the contents of the containers. The container can be sealed by rotating the lid portion of the outer container, over the open inner container (12). Respective inner blanks (Figures 4 and 11) and outer blanks Figures (7 and 12), as well as a method of constructing the container (10), are also described.

Description

The present invention relates to a container and, more

  particularly, although not exclusively, a container for use with loose particulate matter or bagged material, such as tea, herbs and the like; it also relates to container blanks for producing the intermediate container parts formed from them.

  and a method of assembling the container.

  An object of the present invention is to produce a container or a presentation box, which is evidence of break-ins, which is aesthetic and practical and

  also provides product protection.

  A particular problem with containers designed for the food and beverage trade is that the container must be both aesthetic and rigid enough to withstand daily openings and closings. It must also be possible to close or seal the container appropriately after opening, so that the contents of the container always remain cool when it is

correctly stored.

  According to one aspect of the present invention there is provided a container comprising a pair of nested containers, consisting of an inner container, for filling, and an outer container which tightly surrounds the inner container, the outer container comprising a portion of lid which can be moved from a base part to reveal the inner container, this inner container having a lid part which can be removed or moved to reveal a capacity space contained therein, the lid part of the outer container being likely to close or seal the inner container, when its part of

  cover has been removed or moved.

  Preferably, the cover portion and the base portion of the outer housing are hinged relative to each other, so that the cover portion can

  rotate relative to the base part.

  The outer container has a means allowing the lid part of the outer container to be removed from the base part. Preferably, this means consists of a band located between the lid part and the base part, this band being able to be removed. Preferably, the strip extends from a first side panel, via a front panel, to a second side panel, a rear panel being arranged so as to form an articulation between the cover part and the base part of the

outer container.

  In another embodiment, the strip may extend all around the outer case, so that the cover part can be removed from the base part. The container of the type described is constructed from two blanks, a blank constituting the container

  interior and a blank constituting the exterior container.

  According to another aspect of the present invention, there is provided a container blank for an external container, comprising six panels, these panels respectively forming a base wall, a top wall, a front wall, a rear wall and two side walls. during construction, the cardboard blank having a line of weakness passing through the front panel and the

two side panels.

  In one embodiment, the blank has a generally cruciform configuration having six panels; the rear, upper, front and base panels forming the lower part of the cross shape and the two side panels forming the transverse part The upper and base panels are spaced from each other by the rear panel or else front The side panels extend from one of the two intermediate panels of

  the bottom piece of the cross shape.

  Thus, the lower part can be constructed in the order of the following panels: either above, front, base, rear; front, base, back, top; base, back, top, front; rear, top, front, base; top, back, base, front; rear, base, front, top; base, front, top, back; front, top, rear F-base, the side panels extending outwards from one of the two respective intermediate panels of the lower part. At least four legs to be glued can be provided for gluing the container blank, so as to form a structure similar to an open box. Four legs to be glued can be provided on the side panels or they can be provided on the panels, directly at the -above and below the panel of the lower part from which the transverse part extends As a variant, they can be provided on each of the four panels, around the central panel of the cross shape These tabs to be glued allow the blanks to be glued to form

  a structure similar to an "open" box.

  The blank has three other tabs to be glued-to close the "open" box structure formed above and these tabs are provided at the ends of the two side panels and at the end of one of the end panels.

  of the bottom piece of the cross shape.

  Preferably, the tabs located on the ends of each of the two side panels have different lengths, one being shorter than the other and that extending from the end panel of the lower part of the cross shape , of the outer container, is shorter than the corresponding tab located on the inner container, to which we will refer by the

after.

  Preferably, the line of weakness located on the front panel extends substantially parallel to a fold line formed between the front and top panels. Preferably, the lines of weakness located on the side panels extend forming a angle between 10 and 200 with the axis of the transverse part, when the side panels extend from the front or rear panel and forming an angle between ^ 1 Je 200 with the axis of the lower part, when the side panels

  extend from the top or base panel.

  In another embodiment, the panel can be substantially in the shape of a "T", the side panels forming

the crosspiece of the "T".

  According to another aspect of the present invention, there is provided a container blank for an interior container, comprising six panels, these panels respectively forming a wall a base wall, a top wall, a front wall, a rear wall and two side walls during construction, the container blank having a line of weakness on the front panel and / or the top panel, which defines a portion intended to be removed or moved Preferably, the portion intended to be removed or moved comprises a "pushing" part to facilitate the removal of the part intended to be removed or moved. The removal or displacement is thus obtained by pushing the "pushing" part and removing it.

  remaining, to move or remove it.

  According to another aspect of the invention, there is provided a method for producing a container as described above, the method comprising assembling the respective inner and outer container blanks to form a structure similar to an "open" box ", the filling of the partially assembled inner container, its hermetic closure and then the hermetic closure of the outer container

around the inner container.

  Preferably, the inner and outer containers partially assembled simultaneously, the container

  exterior being assembled around the container.

  Thus, in one embodiment, the container blank for the inner container is placed on the container blank for the outer container and a structure similar to an "open" box, nested, is formed by folding the respective blanks Ajutour of a mold The inner open box is then filled, closed and sealed and the outer box is then closed

  and sealed around the inner box.

  To facilitate the automation of the process, the tabs to be glued of the "open" inner box structure have different dimensions compared to those of the corresponding glue tabs of the "open" outer box structure. It follows that an automated process can be used to push the tabs on: the inner box and then stick the airtight closure panel on the inner box to it, before the tabs on the outer box are pushed and the panel

  Hermetic closure of the outer box is not stuck there.

  In this regard, the respective hermetic closure panels of the inner and outer boxes are

  also with different dimensions.

  Thus, the inner box forms a short leg, two long legs and a short airtight closure panel and the outer box has a Long leg, two

  short legs and a long airtight closure panel.

  The respective open box structures can thus be considered as comprising a pair of legs of different dimensions, each element of the couple being placed opposite the other and being of the opposite type to that

  from the corresponding tab of the other box.

  A third tab is effectively coupled to the hermetic closure panel, which constitutes the last: panel to be glued, so as to close and seal the "open" box structure. On the inner box, this tab is

  long and on the outer box, this tab is short. The terms "long" and "short" are terms that will be understood in the context, their function relating to the mechanical bonding of the legs.

  Specific embodiments of the present invention will now be described, by way of example only, with reference to the following figures, in which: Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 is a perspective view of an embodiment of the container of the invention, shown with the inner box and the outer box open; is a perspective view of the embodiment of Figure 1, in which the outer box has been opened and the inner box remains closed; is a perspective view of the embodiment of Figure 1, in which the outer box contains the inner box; is a plan view of the interior face of an embodiment of a blank for an interior box; is a perspective view of the blank of Figure 4, in the partially folded state; is a perspective view of an upper, rear and side face of an inner box constructed from the blank of Figure 4; is a plan view of the interior face of an embodiment of a blank for an exterior box; is a perspective view of the blank of Figure 7, in the partially folded state, to form an open box structure around an open box structure, formed from the blank of Figure 4; Figure 9 is a perspective view of a container of Figure 3, showing the outer box opened to obtain the configuration illustrated in Figure 2; Figure 10 is a perspective view of the container of Figure 2, showing the inner box opened to obtain the configuration illustrated in Figure 1; Figure 11 is a plan view of the inner face of an alternative embodiment of a blank, for an outer box; Figure 12 is a plan view of the inner face of an alternative embodiment of a blank

for an inner box; -

  Figure 13 is a perspective view of the blank of Figure 11 in the partially folded state and Figure 14 is a perspective view of the blank of Figure 12 in the partially folded state to form an open box structure around the open box structure formed from

of the blank in Figure 11.

  Referring to FIG. 1, the container 10 of the invention comprises a first internal container 12 and a second external container 14 In one embodiment, the container 10 is constructed from an internal blank 16 (FIG. 4) and an outer blank 18 (Figure 7) The inner blank 16 forms the container or inner box 12 (Figure 6) of the container 10 t the outer blank 18 forms the container or outer box 14 of the

container 10 (Figure 3).

  The following description describes a container according to

  the invention and includes a description: sketches of

  inner and outer container according to the invention; - "open" box structures; a method of constructing the container from the inner blank 16 and

  the outer blank 18 and a description of how

  whose container 10 is successively opened and closed.

  Referring to Figure 4, the blank 16, essentially made of cardboard can be made from any suitable material, such as for example compact cardboard, synthetic materials, metallized plastic materials or any other metallic coating material, which will form the inner container 12 of the container 10 during construction, is generally cruciform in shape It comprises six panels 20, 22, 24, 26, 28 and 30 The panel 20 forms the front face of the container, the panel 22 forms the upper face of the container, the panel 24 forms the base of the container, the panel 26 forms the rear face of the container and the panels 28 and 30 form the respective side walls

of the container.

  The blank also includes five fold lines 32, 34, 36, 38 and 40 These can be located respectively between the front panel 20 and the top panel 22, the front panel 20 and the base panel 24, the front panel 20 and the side panel 28, the front panel 20 and the side panel 30 and the base panel 24

and the rear panel 26.

  The blank 16 further comprises seven tabs' to be glued 42, 44, 46, 48, 50, 52 and 54 The tabs 42 and 44 project from the upper panel 22 and the tabs 46 and 48 - project from the base panel 24 These legs 42, 44 ', -46 and 48 allow the side panels 28 and 30 to be connected to the upper panel 22 and to the base panel 24 The leg 54 is shorter than the leg 52 This is important when the container of the invention is constructed using

automatic machines.

  In other embodiments (see for example Figure 11), the tabs to be glued can be placed differently to achieve the same goal, namely that of gluing the side panels to at least two other panels, in order to form a "open" box structure,

  the side panels already being connected to a panel.

  The blank 16 has a weakening line 56, this weakening line can for example include perforations, notch marks or the like. The weakening line 56 defines a part 58 which will be removed from the container constructed by the user (figure) It is preferred that the weakening line 56 is of the type comprising a first notched line on one side of the sheet, this notched line being shifted by a substantially constant amount towards a second notched line located on the other side This type of weakening line is produced by a process called Concora To facilitate the removal of the part 58 defined by the weakening line 56, a "push" part 60

  defined by a perforation line 62 is included.

  Thus, to remove the part 58, the pushing piece "is pushed into the container, so as to allow traction on the part 58 (FIG. 10) The part 58 intended to be removed is located substantially in the upper panel 22 and s extends approximately over a third of the front panel 20 It is of substantially pentagonal shape and the "thrust" part 60 is located in the front panel 20,

on its periphery.

  However, it is understood that the part 58 to be removed can

  be placed only in the top panel 20.

  The interior blank 16 partially folded (FIG. 5), that is to say in which the side panels 28 and 30 have been glued to the top panel 22 and to the base panel 24, around the front panel 20, can be filled with a foodstuff, for example tea, herbs or other drink, this foodstuff being able to be packaged directly in the "open" box structure formed or indirectly, via

  for example a hermetically sealed bag.

  In this embodiment, it is preferred that the tabs to be glued 42, 44, 46 and 48 are glued to the side panels 28 and 30 on the outer face -'L; ë '' 'rtiiïent resulting can then be closed tightly by folding the rear panel 26 on the legs 52, 54 and 50 and by

sticking to him.

  The open and filled inner box structure 12 can then have a closed and sealed outer container 14

around it (Figure 8).

  In an alternative embodiment, an interior blank 216 partially folded (Figure 13), that is to say in which the side panels 228 and 230 have been glued to the rear panel 226 and to the front panel 220, around the panel 222, can be filled with a food, this food can be packaged directly or

  indirectly in the "open" -formed box structure.

  In this embodiment, it is preferred that the tabs to be glued 242, 244, 246 and 248 are glued to the

  side panels 228 and 230 on the inside.

  The resulting container can then be sealed by folding the base panel 224 over the

  tabs 250, 252 and 254 and by sticking them to it.

  The filled open box structure can then have an outer container 314 closed and sealed around

from her (Figure 14).

  Referring to Figure 7, the outer blank 18 is also made of cardboard, although, similarly to the blank 16, it can be made of any other material, for example synthetic materials, metallized plastic materials or a metal-coated material It also preferably has a cruciform shape It comprises six panels having: numbers such that the analogous parts have corresponding numbers, with however a different prefix for each embodiment Thus, panel 2 -0 of the interior blank 16 becomes the front panel 120 of it the exterior blank 18 The exterior blank 18 comprises six panels 120, 122, 124, 126, 128 and 130 The panel 120 forms the front face of the container, the panel I 2-2 formed the upper face of the container, the panel 124 forms the base of the container, the panel 126 forms the rear face of the container and the panels 128 and 130 formen t the walls

  respective sides of the container.

  The blank 18 also includes five fold lines 132, 134, 136, 138 and 140, located respectively between the front panel 120 and the top panel 122, the front panel 120 and the base panel 124, the front panel 120 and the panel side 128, the front panel 120 and the other side panel 130 and the base panel 124 and the rear panel 126 Another fold line 139 divides the rear panel 126 into subparts 125 and 127 The fold line 138 serves to articulate the cover relative to the base of the container, in the finished products: The blank 18 further comprises seven tabs to be glued, each of the tabs 142 and 144 and 146 and 148 projecting from the side panels 128 and 130, which allows side panels to be connected to top and base panels 122

and 124.

  Although the tabs to be glued can be placed differently to achieve the same goal, namely that of joining the respective panels together, it is preferred that the tabs to be glued are located on panels different from those of the blank 16, so that the completed container comprising the inner container and the outer container does not have thickened zones located one on the other, due to the tabs to be bonded. Thus, on the blank 16, the side panels are glued respectively to the upper panel and to the base panel, while in the blank 18, the top panel and the base panel are glued to the side panels The opposite situation or a hybrid

in between can be used.

  Alternatively, the tabs to be glued to the respective inner and outer containers can be superimposed

one over the other.

  In implementation, the container 10 is preferably constructed on automatic machines which fold the outer blank 18 around the blank

interior 16.

  Referring to FIG. 8, the interior and exterior blanks of FIGS. 4 and 7 are constructed so as to form nested open box structures. The legs located on the interior and exterior containers project from their respective panels, over different distances. . For example, in the embodiment of Figure 8, the side panels 28 and 30 of the inner container have a long leg 52 and a short leg 54 The long leg 52 is coupled to a short leg 152 located on the other side 130 of the outer container and the short tab 54 is coupled to a long tab 154 located on the other side 128 of the outer container Similarly, the tab 50 protruding from the top panel 22 of the inner container is long, while the tab protruding from the top panel 122 of the outer container is short However, in contrast to this, the rear panel 26 of the inner container is shorter than

  the rear panel 126 of the outer container.

  Such an arrangement makes it easier to glue mechanically embedded boxes, since probes can be used to close and seal the inner container, before the outer container. Thus, in implementation, a probe passes over the side panels, from left to right as observed in FIG. 8, by pushing tab 52 inwards and tab 154 - outwards Another probe or the same probe then moves from right to left, by pushing tab 54 inward A probe also passes from bottom to top, as seen in Figure 8, by pushing the tab 50 inward and the panel 126 outward, then another probe or the same probe passes from high and low; in

  closing the panel 26 on the legs 50, 52 and 54.

  A similar procedure can then be used to close and seal the outer box, pushing tabs 150, 152 and 154 inward and panel 126 on it. A similar operation can be carried out with regard to the

  embodiment of FIG. 14.

  Alternatively, the inner container can be preassembled and placed on the outer blank 18, so that the respective front panels of the containers abut one against the other. Thus, the outer blank 18 is built around the inner container. , by moving the side panels 128 and 130 until they come against the side panels 28 and 30 of the inner box, folding the tabs 146 and 148 around the base panel 24 of the inner box and sticking

  between them the respective base panels 24 and 124.

  Other features which are important can be better explained by referring to the following figures. Referring again to Figure 7, lines of weakness 156 define a portion 158 to be removed from the constructed outer container, so that

  allow the inner container to be opened -

  It is preferred that these lines of weakening are of a type already described with reference to the lines

  weakening formed on the inner blank 16 -

  In the illustrated embodiment, the weakening line 156 defines a part 158 forming a tear strip. To facilitate the opening of the outer box, the side panels 128 and 130 have cutouts 159 the size of a finger, made within it, these cutouts make it easy to grasp the

  tear strip 158 present in the article constructed.

  The tear strip 158 extends from a position lower than a hinge line 164 marked on the blank 154, passing through the side panel 128 towards the front panel 120, forming an angle of approximately 150 with the the axis of the transverse part, on approximately half of the front panel 120, parallel to the line of fold 132, towards the fold line 138 and the on the side panel 130, forming an angle of 150 with the axis of the transverse part, to a position immediately below a line of articulation 166 of the tab 152 Thus, in the folded container, the upper panel 122 folds on the lateral tabs 152 and 154 and is glued in place The tab 150 is glued to subpart 127, to form the joint around which the cover will pivot

  after removing the tear strip 158.

  The completed container will have the shape of a one-piece box provided with a tear strip 158: extending around the front face 120 and on its two sides 128, 130 (FIG. 3) To open the container, the strip tear 158 is torn from the container (FIG. 9), by grasping the tear strip at the level of the cutout 159 and by pulling it, so as to be able to open the cover of the outer box by pivoting it in the open state, with respect to the joint 127 (FIG. 2) The interior container can then be opened by piercing the "thrust" portion 62 of the interior container and by removing: there-part-58 to be removed from the interior box (FIG. 10) - In this way, the filling material contained can be accessed

in the inner container.

  In order to maintain the freshness of the contents, while storing them correctly and to prevent them from spilling, the container can then be closed by lowering the lid over the opening, so as to seal or close

the recipient.

  The type of container illustrated can be prepared from a variety of blanks or partially pre-glued cartons and, to illustrate this point, Figures 11 and 12 respectively show variants of interior and exterior blank shapes, while the Figures 13 and 14 illustrate aspects of the construction of these others

embodiments.

  Thus, the interior blank 216 illustrated in FIG. 11 is cruciform and includes an upper panel 222 located in the center of the cross (compared with FIG. 4, in which the panel 22 is located at the top of the cross shape), a front panel 220, a base panel 224, a

  rear panel 226 and side panels 228 and 230.

  Tabs 242, 244, 246 and 248 are used to connect the rear and front panels to the side panels and tabs 250, 252 and 254 are used to attach the base 224 to the

  front, back and side panels.

  Referring to FIG. 12, the exterior panel 318 is generally cruciform, the upper panel 322 being at the center of the cross. This configuration also includes a rear panel 326 subdivided by a fold line 339, into a sub- sign

  327 which forms the joint and another sub-panel 325.

  A front panel 320 and side panels 328 and 330 have weakening lines 358 which define parts to be removed The parts to be removed -358 located on the side panels 328 and 330 are inclined at an angle of approximately 15 Oy Yes fold lines - 336 and 338 located between the top panel 322 and the respective side panels 328 and 330 The tear-off part 358 located on the front panel 320 extends parallel to the fold line 334 located between the top panel 322 and the front panel 320 Since the tabs 342 and 344 are respectively glued to the side panels 328 and 330, the latter are also marked with parts to be torn off 358 and are marked with parts 359 which can be easily grasped, so the 358 legs can

be easily torn.

  Alternatively, these parts can be cut to

from draft 318.

  As described with reference to Figures and 8, the blanks of Figures 11 and 12 are first

  glued to form open box structures.

  The inner blank 216 is folded as illustrated in FIG. 13, so that the tabs to be glued 242, 244, 246 and 248 are glued to the inner face of the side panels 228 and 230. This contrasts with the partially folded inner box. of Figure 5, in which the tabs to be glued 42, 44, 46 and 48 are glued to the

  outer face of side panels 28 and 30.

  The “open” box structure of the embodiment of FIG. 11 is thus filled by passing through the base panel 224 This contrasts with the case of the embodiment of FIG. 4, in which the box is filled by passing through the rear panel 26 Reference has more generally been made to these panels as hermetic closure panels, in the context of construction

containers.

  As described with reference to FIG. 8, the open recessed box structure of FIG. 14 can be closed hermetically mechanically, the pairs of tabs to be bonded, 252, 352; 254, 354 and 250, 350 of the inner and outer box being similarly provided with different sizes, so that they protrude at different distances in the configuration

open box.

  As with the cruciform blanks illustrated, those skilled in the art will note that "T" shaped blanks or

  pre-glued boxes can be used.

  When reference has been made to stick-on pattest and glued and pre-glued cardboard, it is obvious that another suitable hermetic sealing means, for example a heat seal, can be used and therefore the

  terms should be interpreted accordingly.

Claims (21)

  1 container, characterized in that it comprises a pair of nested containers (12, 14), consisting of an inner container (12), intended to be filled and an outer container (14) which closely surrounds the inner container (12 ), the outer container X 14) comprising a cover portion (122) which can be moved from a base portion (124) to reveal the inner container (12), this inner container (12) having a cover portion ( 58) which can be removed or moved to reveal a capacity space located inside, the cover part (122) of the outer container (14) being capable of closing or sealing the inner container (12) when its part cover (58) has been removed or moved.  2 A container according to claim 1, wherein a means allowing the cover portion (122) of the outer container (14) to be moved from its base portion (124) consists of a strip (158) located between the portion of cover (122) and the base part (124), this strip being removable to reveal the container interior (12).   3 container according to claim 2, wherein the strip of the outer container (14) extends from a first side panel (128), via a front panel, to a second side panel (130) and a rear panel - (126) or a sub-part of the outer container (14) 'forms a joint (138) between the cover part' (122) and the base part (124), so that the cover part   (122) can pivot relative to the base part (124).   4. Container according to claim 2, in which the strip extends all around the outer container (14), so that the cover part can be removed from the basic part.   A container according to any one of   Claims 1 to 4, in which the container is constructed   from two blanks (16, 18), a first blank forming (18) the outer container (14) and a second   blank (16) forming the inner container (12).   6 Container blank for an outer container, comprising six panels, these panels respectively forming a base wall, a top wall, a front wall, a rear wall and two side walls during construction, the container blank having a line of weakness crossing the front panel and the two side panels.   7 Container blank for an interior container comprising six panels, these panels respectively forming a base wall, a top wall, a front wall, a rear wall and two side walls - during construction, the container blank having a line weakening on the front panel and / or the top panel, which defines a part intended to be removed or moved. 8 container blank according to claim 6 or   7, with a generally cruciform configuration.   9 container blank according to claim 8, wherein the base parts, top, front and rear form a lower part having two intermediate panels and two end panels and the two side walls extend from one of the two intermediate panels of the lower part of the container blank according to claim 6 or   7, with a configuration generally in the form of "Tl '.   11 A container blank according to claim 10, in which the base, top, front and rear panels form a lower part having two intermediate panels and two end panels and the two side walls extend from one of the two   end panels of the lower part.   12 Container blank according to any one of   claims 6 to 11, further comprising at least four   legs to be glued, these legs to be glued allowing the blank to be glued, forming a structure similar to an "open box". 13 Container blank according to reveid qation_ 12 comprising, in addition to at least four legs to be bonded, at least three other legs to be bonded, the latter allowing   to the structure similar to an "open box" to be closed.   14. A container blank according to claim 13, in which at least two of the other tabs to be glued extend from the side panels, over distances. different.   Container blank according to one of the   claims 6 to 14, wherein the lines   weakening are produced by formation of notches   or perforation of the container blank.   16. The container blank according to claim 15, wherein the lines of weakness comprise a first notched line on one side of the container blank, this first notched line being displaced by a value substantially constant with respect to a second. notched line, located on the other side of the container blank.   17 container blank according to any one of   Claims 6 to 16, in which the container is   constructed from cardboard, compact cardboard, metallic coated material, metallized plastic materials or synthetic materials.   18 Container blank according to any one of the   claims 6 and 8 to 17, when they depend on the   claim 6, in which the line of weakness extends over the front panel so as to be substantially parallel to a fold line formed between the front and top panels.   19 Rough container selorifà revenidicaibii '18, in which the weakening line extends over the side panels, forming an angle between 10 and with an axis passing through a lower part, when the side panels extend from the top or base panel Ce% - "Container blank according to claim 19, in which the line of weakness extends over the side panel, at an angle of 150 relative to the axis of the lower part, when the side panels   extend from the top or base panel.   21 A container blank according to claim 18, in which the line of weakness extends over the side panels, forming an angle of between 10 and with the fold line formed between the upper and front panels, when the side panels stretch   from the front or rear panel.   22 A container blank according to claim 21, wherein the line of weakness extends from the side panel, at an angle of 150 with the fold line formed between the top and front panel, when the side panel extends from the front panel or back.   23 Container blank according to any one of   claims 18 to 22, wherein the rear panel is   subdivided by a fold line to form a sub-panel, the latter serving as an articulation between the base part and the cover part when the blank is built.   24 Container blank according to any one of   claims 18 to 23, in which some of the panels   are provided with means for easily grasping a   strip to be torn off, defined by the lines of weakness.   Container blank according to any one of   claims 7 and 8 to 17, when they depend on the   claim 7, wherein the part to be removed or moved is located substantially in the top panel and extends downwardly over approximately one third of the front panel. 26 A container blank according to claim 25, in which the part intended to be removed is in the form substantially pentagonal.   27 A container blank according to claim 25 or 26, further comprising a "pushing" portion, to facilitate removal or movement of the portion   defined by the line of weakness.   28 A container blank according to any one of   claims 25 to 27, wherein said line   weakening is produced on the flap: front and / or higher. 29 A method of producing a container according to claim 1, method comprising assembling blanks of respective inner and outer container to form a structure similar to an "open box", filling the partially assembled inner container, its closure hermetic and then hermetic closure: of the container   outside around the inner container.   30 The method of claim 29, wherein the inner and outer container blanks are assembled simultaneously to form a structure similar to an open box, the outer container being assembled around the inner container. l 1 I