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
  • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
  • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
  • B65D5/0272—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end closures formed by applying a web on the edge of the body, and subsequent inward folding of flaps

Definitions

• the invention relates to carton board containers for granular materials
• containers made from carton board also simply called cartons, have a
• top, bottom, back, front, left and right sides, the edges being defined by
• bottom sides are in the horizontal plane, the four other sides being vertical.
• the left side is on to the left of the observer and the right side on to
• a die cut, or blank, is a die cut
• the die cut is
• a sleeve is substantially a four sided structure structured like a six sided carton of which two opposite sides are
• the sleeve structure has the advantage that it can be flattened.
• the carton is erected from the sleeve, which means that one of
• step is now folded, four more edges being consequently formed.
• the carton cannot be flattened anymore. However, it can be filled
• the last non folded side is
• the structure goes through successive stages, namely
• these two side may be the top and
• the sleeve In the first way of forming the sleeve, the sleeve will be formed of the front,
• the filling is made by means of gravity, because the carton is already upright
• the sleeve In the second way of forming the sleeve, the sleeve will be formed, for
• the carton is erected by folding indifferently the left or the right side
• the carton will be closed. After closing, the carton may have to be turned
• sleeve have their direction in a plane perpendicular to the direction of the four edges folded to form the sleeve. This means that in the die cut form, the
• the other direction is the transverse
• a die cut is preferably made from a single piece.
• a die cut normally has a
• This direction is the grain direction. For easy folding, it is
• main folding direction be in the grain direction.
• front/left, left/back, back/right and right/front should follow the grain direction. Consequently, the edges front/left, left back, back/right and right/front should follow the grain direction. Consequently, the edges front/left, left back, back/right and right/front should follow the grain direction. Consequently, the edges front/left, left back, back/right and right/front should follow the grain direction. Consequently, the edges front/left, left back, back/right and right/front should follow the grain direction. Consequently, the edges front/left, left back, back/right and right/front should
• fill cartons usually require an internal liner for improving stiffness and
• an outer panel allows to form a lid with the outer top panel, which can
• the invention relates to a carton, the carton comprising top and bottom
• the top side comprises an outer top panel; b) the back side comprises a back panel associated with an edge to the
• the bottom side comprises a bottom panel associated with an edge to the
• the front side comprises a front panel associated with an edge to the
• the left side comprises a first left flap associated with an edge to the front
• the right side comprises a first right flap associated with an edge to the
• the top side further comprises an inner top panel
• either of the back side or the top side further comprises an extra flap
• Such a carton is known from JP-09066927 or EP-97202128.1.
• the inner top panel being part of the die cut and thus being made from the
• this object is accomplished in a carton of
• a carton formed in accordance with the invention has a number of
• the carton has the structure of a side fill carton while the
• the inner top panel is on the top side of the carton, the inner top panel can be
• Figure 1 is a top plan view of a preferred embodiment of elements of a die
• Figure 2 is a perspective view of a partial sleeve made from the elements of
• Figure 3 is a top plan view of a complete sleeve made from the partial
• Figure 4 is a top plan view of another preferred embodiment of elements of
• Figure 5 is a perspective view of a partial sleeve made from the elements of
• Figure 6 is a top plan view of a complete sleeve made from the partial
• Figures 7 a-c describe an example of opening of a carton according to the
• Figures 8 a-b are cross-sectional views of the carton of Figure 7a along a
• Figures 9 a-i describe an example of the erecting step of a carton according
• Figure 10 is a top plan view of a further preferred embodiment of elements
• Figure 11 is a perspective view of a partial sleeve made from the elements
• Figure 12 is a further perspective view of a partial sleeve made from the
• Figure 13 is yet another perspective view of a partial sleeve made from the
• Figures 14 is a cross-sectional view of the carton made from the elements of
• Figure 15 is a top plan view of yet another preferred embodiment of
• Figure 16 a-b are top plan views of two possible embodiments of an element
• Figure 17 is a perspective view of a partial sleeve made from the elements
• Figure 18 is a further perspective view of a partial sleeve made from the
• the carton of the present invention is preferably made of cardboard or
• the cartons normally have a
• the sides can be defined as a top
• the top side is on the top of the
• back sides are opposing sides and the left and right side are opposite sides
• Each of these sides can be made of several layers of material.
• each side is usually of a substantially rectangular shape, each side being
• this layer may
• a layer is covering a complete side, it is called a panel, and is said as
• a flap may be extended up to the panel size, in which
• Flaps and panels can also comprise cut outs
• Panels or flaps can be said
• Each side may comprise one or more
• the panels may have in their denomination the name of the side
• flaps may have in their denomination the name of the side with which they are
• flaps and panels may be linked to each other
• the adhesive can be applied in
• cold .water or solvent based glue can be used,
• glue guns or other glue applicators.
• the carton structure of the present invention is such that it can be easily
• the structure should to be sift proof both through the sides and through the
• the of the present invention comprises two panels, the outer top panel 1 and the inner top panel 2. If the side is composed of flaps, it is important that the side is composed of flaps, it is important that the side is composed of flaps.
• flaps co-operate with each other as expected to obtain a sift proof structure.
• the structure should equally be sift proof along the edges. This is usually
• the lid can be lightly glued to be lifted easily. Because the outer top panel 1
• a further object obtainable with a carton of the present invention is to
• the carton may also comprise a snap lock mechanism 14 in the lid area, of
• the lid may also be lifted at opening by means of a de-
• the carton may also comprise a tear strip for
• the carton of the present invention should allow use of a minimised amount
• the inner top panel is preferably part of a second part of the die cut
• second element 30 of the die cut may be comprising the inner top panel as
• separated element 30 is that it can be made from a different material
• aluminium foil carton board aluminium foil carton board, metallized film or a combination of these.
• the second element 30 preferably comprises a fourth left flap
• the second element 30 allows to
• Such a second element 30 can have various
• the carton of the present invention may comprise different sorts of lid. As an
• a hinged lid could be simply made of the outer top panel 1.
• a full hinged lid can be made of the outer top panel 1 , of part of
• flaps 11 ,11' are linking the outer top panel 1 to the right and left side by
• the carton of the invention may comprise features and
• die cuts used for cartons are preferably made of one piece only.
• object of the present invention which is to produce a carton using a
• the fourth left and right flaps is normally a separated element
• a die cut usually has a grain direction.
• Extra parts may be added, such as extra flaps for the lid. Such a die cut can
• the first element 20 comprises
• element 20 also comprises a front flap 12 as well as fifth left 11 and right 11 '
• the second element 30 comprises
• second element 30 also further comprises fourth left 10 and right 10' flaps, although such flaps allowing to improve sift proofness of the carton are
• element 20 can be firstly put together by gluing the extra flap 6 to the back
• Figure 2 or on the inner surface of the front panel 4 as shown on Figure 18.
• element 20 of the die cut can also provided with a snap lock flap 14 as
• the front panel is provided
• second front flap 15 is folded back to cover at least the surface of the
• second extra flap is preferably glued onto the outer face of the front panel
• the pre-cut portion extending at least partially
• cut portion will allow to pull or tear off the second element of the die cut, thus
• the sleeve is unfolded as shown in 9-b, so that it is not a flat
• the carton takes a rectangular cross section. Once opened up as
• the first flap to be folded is the third left flap
• the left and right flaps each cover only a portion of the left or right sides
• the glue patterns can be modified to obtain a
• the carton may be turned around, the right side on
• carton folding lines the folding can take place either on the top or on the
• the carton of the invention has the benefits provided with the second
• the carton structure is delivered to the user in the state described in Figure
• the carton can be made sealed and sift proof, and may
• the first action required by the user is to lift the lid
• a hinged lid in this example is a hinged lid, and is comprising the outer top panel 1 , at
• Such a lid has sides which partially cover
• the inner top panel 2 may be only partially
• the removable part may be used to display instructions or as a
• the inner top panel 2 is glued to the outer top panel 1 , so that
• opening occurs in a single step when the lid is lifted for the fist time while the
• inner top panel is at least partially torn opened along pre-cut lines of
• the carton can be re-closed with the lid.
• a snap lock mechanism
• Figure 8-a and 8-b are examples of a cross section of a carton according to
• the assembly composed of the left side, the inner top panel 2 the right side
• top panel 1 of sixth left and right flaps 13,13', of fifth left and right flaps
• the grain direction should be vertical
• the die cut of the carton is
• a transparent window for example on the left, right or front

Priority Applications (1)

Applications Claiming Priority (4)

Publications (1)

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Family Applications Before (1)

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• 1998
  • 1998-01-08 AT AT98200031T patent/ATE227672T1/de not_active IP Right Cessation
  • 1998-01-08 DE DE69809383T patent/DE69809383T2/de not_active Expired - Fee Related
  • 1998-01-08 EP EP98200031A patent/EP0928744B1/fr not_active Expired - Lifetime
  • 1998-12-22 JP JP2000527454A patent/JP4334763B2/ja not_active Expired - Fee Related
  • 1998-12-22 WO PCT/US1998/027279 patent/WO1999035038A1/fr not_active Application Discontinuation
  • 1998-12-22 EP EP98965441A patent/EP1045794A1/fr not_active Withdrawn
  • 1998-12-22 CA CA002317610A patent/CA2317610A1/fr not_active Abandoned

Non-Patent Citations (1)

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