EP0393253B1 - A box and a foldable box respectively, and a blank therefor - Google Patents
A box and a foldable box respectively, and a blank therefor Download PDFInfo
- Publication number
- EP0393253B1 EP0393253B1 EP89201005A EP89201005A EP0393253B1 EP 0393253 B1 EP0393253 B1 EP 0393253B1 EP 89201005 A EP89201005 A EP 89201005A EP 89201005 A EP89201005 A EP 89201005A EP 0393253 B1 EP0393253 B1 EP 0393253B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- side wall
- folding line
- widening strip
- widening
- strip
- 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.)
- Expired - Lifetime
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Classifications
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- 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
- B65D5/36—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
- B65D5/3607—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank
- B65D5/3635—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank by folding-up portions connected to a central panel from all sides to form a container body
- B65D5/3642—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank by folding-up portions connected to a central panel from all sides to form a container body the secured corners presenting diagonal, bissecting or similar folding lines, the central panel presenting no folding line
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- 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
- B65D5/001—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 stackable
Definitions
- the present invention relates to a box provided with a bottom and with two pairs of opposite upright side walls, wherein the one pair of opposite side walls over at least a part of their length are higher than the other pair of opposite side walls and wherein the other pair of opposite side walls each are provided with at least one widening strip, which is bent approximately square to the corresponding side wall.
- Such a box is known from the document FR-A-2,617,810.
- the one pair of side walls is only a little bit higher than the other pair of side walls and the higher part extends only over a small length of the one pair of side walls in the form of centering lips.
- the widening strips of the other pair of side walls have at both ends a rectangular connecting portion, which is simply glued to the outer surface of the one pair of side walls.
- the invention aims at removing these objections of the known box.
- each widening strip at at least one end is provided with a connecting portion in the form of a triangular wall portion, which is connected with the widening strip and is approximately square to the widening strip and which lies flat on the adjacent higher side wall and is connected by means of an oblique fold line with said higher side wall (see claim 1).
- the boxes can be nested into each other, in that the lower part of the upper box is locked in between the pair of higher side walls, whereby when stacking the boxes a relatively large stack stability exists.
- the widening strips which are folded square to the other side walls form supporting planes which transfer a part of the weight to the lower side walls, but the largest part thereof to the higher side walls by means of the connecting portions, whereby the supporting power is increased considerably.
- the nesting improves the form stability of the boxes considerably with respect to that of the known boxes.
- the invention also relates to a collapsible box provided with a one-piece bottom and with two pairs of opposite upright side walls, which are folded approximately square to the bottom, two opposite side walls at both ends each being provided with a first lengthening flap which is folded approximately square to the side wall, which lengthening flap with a part of its outer surface is secured to a corresponding part of the inner surface of an adjacent side wall of the other pair and whereby in said adjacent side wall each time from both bottom corner points a first oblique folding line is provided extending upwardly at an angle of ⁇ 45°, such, that the part of said side wall which is secured to the lengthening flap, is at the side of the first oblique folding line turned away from the bottom.
- the invention aims at removing this objection of the known collapsible box.
- each first lengthening flap at the side opposite the bottom is provided with a first widening strip, which is folded approximately square to the lengthening flap and in that each first widening strip at the side of the higher side wall is provided with a triangular wall portion, which is folded approximately square to the widening strip and is folded double on the higher side wall (see claim 3).
- the invention relates to a blank for manufacturing a box provided with at least one bottom panel and with four side wall panels, which are foldably connected with each other and with the bottom panel.
- a blank is known from the document FR-A-1,358,881. With this known blank there are no side walls that are higher than the adjoining side walls, so that the boxes in a stack made from those blanks, can easily shift with respect to each other and the resultant stack had little or no stack stability.
- the double walls all around provide some strength to support the weight of higher positioned boxes, but this strength is limited, because the double side walls are not glued together, and the costs for the material of the boxes are high.
- a strip folding line is applied extending parallel to said end edge, which folding line limits a widening strip in the first side wall panels, and that in the second side wall panels each time from the intersection of the strip folding line with the folding lines between the side wall panels an oblique folding line is applied, said oblique folding line extending at an angle of ⁇ 45° towards the free end edge, said folding line in the second side wall panels each time limits two triangular connecting portions (see claim 16).
- the invention also relates to a blank for manufacturing a collapsible box according to claims 17 and 24.
- a blank having the characteristics of the preamble of both claims is known from EP-A-0,109,116.
- the blank according to the invention has a relatively high stack stability due to the opposite pair of higher side walls, and a relatively high support strength due to the connecting portions between the higher side walls and the widening strips at the lower side walls.
- the figures 1 and 2 show a blank and an erected and foldable box respectively according to the invention.
- the blank according to figure 1 is provided with a bottom panel 1 and with two pairs of opposite side wall panes 2, 3 and 4, 5, which are foldably connected with the bottom panel by means of folding lines 6, 7 and 8, 9 respectively.
- the side wall panels 2 and 3 are at both ends provided with a first lengthening flap 10, 11 and 12, 13, which is foldably connected with the side wall panel by means of a folding line 14, 15 and 16, 17 respectively.
- a first oblique folding line 18, 19 and 20, 21 is provided, which encloses an angle of ⁇ 45° with the folding lines 8 and 9 respectively, which limit side wall panel portions 22, 23 and 24, 25 respectively and the function of which will be elucidated hereafter.
- each first lengthening flap 10-13 at the side opposite the folding lines 6 and 7 respectively is provided with a first widening strip 26-29, which is foldably connected with the first lengthening flap 10-13 about a folding line 30-33 and between each first widening strip 10-13 and the wider side wall panel 2, 3 a first triangular panel portion 34-37 is formed, which about a folding line 38-41, which is substantially in line with the folding line 14-17, is foldably connected with the first widening strip 26-29 and which about a second oblique folding line 42-45, which encloses an angle of ⁇ 45° with the folding line 38-41, is foldably connected with the side wall panel 2, 3.
- each relatively wide side wall panel 2 and 3 at the side opposite the bottom panel 1 is provided with a second widening strip 46 and 47 respectively, which about a folding line 48 and 49 respectively is foldably connected with the side wall panel 2 and 3 respectively and each second widening strip 46 and 47 is provided with two opposite second lengthening flaps 50, 51 and 52, 53 respectively, which are foldably connected with the second widening strip 46 and 47 respectively about folding lines 54-57.
- oblong holes 58, 59 and 60, 61 are yet formed, which are used for forming carrying handles 62.
- Folding and erecting of the box according to the figures 1, 2 and 3 takes place as follows: first the second widening strips 46 and 47 with the second lengthening flaps 48, 49 and 50, 51 are folded about the folding lines 48 and 59 over 180° on the relative wide side wall panels 2 and 3 with the lengthening flaps 10, 11 and 12, 13 glued thereon.
- the pairs of lengthening flaps 10, 50 - 13, 53 glued on each other and the first widening strips 26-29 are folded inwardly over ⁇ 180° about the pairs of folding lines 14, 38, 54 - 17, 41, 57, the side wall panels 4 and 5 are folded inwardly over ⁇ 180° about the folding lines 8 and 9 and the side wall panel portions 22-25 are folded outwardly over ⁇ 180° about the folding lines 18-21.
- the box in practice is meant for use only once it can be transferred from the position according to figure 2 again easily into the position according to figure 3 by first folding back the first widening strips 26-29 and the first triangular wall portions 34-37 connected therewith into the plane of the side walls 4, 5 and 2, 3 respectively and then simply pushing the glued lengthening flaps 10, 50 - 13, 53 with the corresponding first widening strips 26-29 towards the side walls 2 and 3 and opposite to the direction of the arrows Q in figure 2 and simultaneously folding the side walls 4 and 5 inwardly and subsequently folding the side walls 2 and 3 inwardly.
- the invention can also be well applied to a box (not drawn), wherein the side walls 2 and 3 and the lengthening flaps 10, 11 and 12, 13 attached thereto are "single-walled", consequently a box which is folded and erected from a blank according to figure 1, the second widening strips 46 and 47 with the second lengthening flaps 50, 51 and 52, 53 attached thereto being omitted. Folding, glueing, erecting and folding the box again takes place in the same manner as with the box according to the figures 1, 2 and 3.
- the second lengthening flap 50 at the side turned towards the first widening strip 26 is provided with a third widening strip 63, which is connected with the second lenthening flap 50 by a folding line 64, which can be partly cut loose.
- a circle 65 with a diameter of ⁇ 10 mm can be cut out to facilitate folding.
- the third widening strip 63 is folded and glued on the first widening strip 26, which glued widening strips 62 and 63 after erection are folded together inwardly about the folding lines 30 and 64.
- the version of blank and foldable box according to the figures 6 and 7 is equal to that according to the figures 4 and 5, wherein between the third widening strip 63 and the second widening strip 46 a second triangular panel portion 66 is formed, which about a folding line 67 approximately in line with the folding line 54, is foldably connected with the third widening strip 63 and which about a folding line 68, which encloses an angle of ⁇ 45° with the folding line 67 and which extends from the intersection point of the folding lines 54, 64 and 67, is foldably connected with the second widening strip 46.
- a fourth oblique folding line 70 is provided, which extends from the point of intersection of the folding lines 30 and 38 and encloses an angle of ⁇ 45° with said folding lines 30 and 38.
- the fourth oblique folding line 70 aims at facilitating folding of the first widening strip 26 and the first triangular panel and wall portion 34 respectively in the position according to figure 9.
- the version of blank and foldable box according to the figures 10 and 11 is based on the "single-walled" embodiment of the blank and the foldable box according to the figures 1, 2 and 3, which are above described.
- the folding line 30 between the first widening strip 26 and the first lengthening flap 10 is partly replaced by a cut 71 from the free end.
- a fifth oblique folding line 72 is provided from the closed end of the cut 71, which is connected with the free end of the folding line 38 and which encloses an angle of ⁇ 45° with the folding line 30.
- a folding line 73 is provided from the closed end of the cut 71, which is approximately perpendicular to the cut.
- the portion of the first widening strip at the right side of the folding line 73 is divided into two triangular portions 74 and 75 by means of the diagonal folding line 72 and at the left side of the folding line 73 a cut loose portion 76 is formed.
- the portions 76 and 75 are folded about the diagonal folding line 72 over 180° on the lengthening flap 10 and the triangular portion 74 respectively and the portion 76 is glued on the first lengthening flap 10 and optionally the triangular portion 75 is glued on the triangular portion 74.
- the side wall 4 is folded inwardly on the bottom 1 about the folding line 8 over 180° and the side wall panel portion 23 is folded back over 180° on the side wall 4 about the folding line 19 and the upper surface of the panel portion is provided with glue.
- the first lengthening flap 10 with the portions 74-76 attached thereto are folded over 180° on the side wall 2 and the corresponding portion of the lengthening flap 10 (compare portion 10a in figure 1) is glued on the panel 23.
- the box is erected as is described with the embodiment according to figure 1 and the triangular portions 74 and 75 folded on each other and optionally glued, are folded inwardly over 90° and the first triangular panel portion 34 is folded over 180° on the side wall 2.
- the triangular portions 74 and 74 folded and optionally glued on each other form the supporting widening strips at the side walls 4 and 5, which transfer the largest part of the weight to the side walls 2 and 3 by means of the triangular panel portions 34-37 and by "nesting" the upper box in the lower box the side walls 4 and 5 are stretched, so that said walls also support a part of the weight.
- the embodiment of the blank and the foldable box according to the figures 12 and 13 is equal to that according to the figures 10 and 11, except that the cut loose portion 76 is made longer, portion 77, and that the first lengthening flap 10 at the outside is provided with a third lengthening flap 78, which after folding and glueing the portion 77 on the first lengthening flap 10, is folded abound the folding line 79 over 180° on the first lengthening flap 10 and that the portion 77 is glued on both. Folding, glueing, erecting and folding again further takes place in the same manner as with the embodiment according to the figures 10 and 11.
- the blank (figure 14) has a rectangular bottom panel 80, a side wall panel 81, which is foldably connected with the bottom panel 80 about a folding line 82, and another side wall panel 83, which is foldably connected with the bottom panel 80 about a folding line 84.
- the one side wall panel 81 is provided with a first lengthening flap 85, which is foldably connected with the side wall panel 81 about a folding line 86.
- a first oblique folding line 87 is provided, enclosing an angle of ⁇ 45° with the folding line 84, said folding line 87 limiting a side wall panel 88 at the side turned away from the bottom panel 80.
- each first lengthening flap 85 is greater than the width b of the side wall panel 81 and the one side wall panel 81 at the side turned away from the bottom panel 80 is provided with a first widening strip 89, which is foldably connected with the side wall panel 81 about a folding line 90.
- a first triangular panel portion 91 is formed, which about a folding line 92, which is substantially in line with the folding line 86 between side wall panel 81 and the first lengthening flap 85, is foldably connected with the first widening strip 89 and about a first oblique folding line 93 in the lengthening flap 91, which encloses an angle of ⁇ 45° with the folding line 92 and extends from the point of intersection of the folding lines 90 and 92, is foldably connected with the first relatively wide lengthening flap 85.
- Folding the blank and erecting the foldable box takes place as follows: first the side wall panel 83 is folded double on the bottom panel about the folding line 84 and the side wall portion 88 is folded double on the side wall panel 83 about the folding line 87 and is provided with glue. Subsequently the relatively wide lengthening flap 85 is folded double about the folding lines 86 and 92 on the side wall panel 81 and the first widening strip 89 respectively, a corresponding portion of the outer surface of the relatively wide lengthening flap 85 being glued on the side wall panel portion 88.
- the side wall panel 81 with the first widening strip 89 is positioned perpendicularly to the bottom 80 and simultaneously the side wall 83 is positioned perpendicularly to the bottom by means of the connection 85-88.
- the first widening strip 89 is folded perpendicularly to the side wall 81 and almost simultaneously the first triangular panel portion 91 is folded double over 180° on the relatively broad lengthening flap 85 about the second oblique folding line 93.
- the bottoms 80 can be nested between the relatively wide lengthening flaps 85 and thereby the side walls 81 are stretched, whereas the largest part of the weight is transferred by the first widening strips 89 via the first triangular panel portions 91 to the relatively wide lengthening flaps 85 and consequently to the side walls 83.
- the blank according to figure 16 is for the largest part equal to that according to figure 14, thereby using the same reference numerals for the same parts.
- the blank according to figure 16 at the side of the first widening strip 89 turned away from the side wall panel 81 is provided with a second widening strip 94, which with a folding line 92 is foldably connected with the first widening strip 89 and the second widening strip 94 at the side turned away from the first widening strip 89 is provided with a third widening strip 96, which is foldably connected with the second widening strip 94 with a folding line 97.
- the third widening strip 96 is at both ends provided with a second lengthening flap 98, which is foldably connected with the third widening strip 96 about a folding line 99.
- Folding the blank and erecting the foldable box according to figure 17 takes place in the same manner as with the embodiment according to figures 14 and 15, except that with the embodiment according to the figures 16 and 17 the second widening strip 94 is folded double and glued on the first widening strip 89 and the third widening strip 96 is folded double and glued on the side wall 81, and also the second lengthening flap 98 is folded and glued on the wider first lengthening flap 85.
- the blank according to figure 18 is for the greater part equal to that according to figure 16, thereby using the same reference numerals for the same parts.
- the side wall panel 83 is at both ends provided with a wider panel portion 100, which lies at the side of the first oblique folding line 87 turned away from the bottom panel 80, the shape of said wider panel portion 100 being adapted to that of the wider first lengthening flap 85 and the width of which being indicated with BR , while the side wall 81 has a smaller width br .
- the blank according to figure 20 is for the greater part equal to that according to figure 14.
- the wider first lengthening flap 85 is divided by a folding line 101, which is parallel to the folding line 96 between the lengthening flap 85 and the side wall panel 81, into two approximately equally long portions 102 and 103, the portion 103 at its edge 104, which is parallel to the folding line 101, being provided with a lip 105 and the portion 103 being made in approximately the same width as the side wall panel 81.
- a slot 106 is provided, the length of which is somewhat greater than the width of the lip 105.
- Folding the blank and erecting the box according to the figures 20 and 21 takes place in the same manner as with the embodiment according to the figures 14 and 15, moreover the portion 103 of the wider first lengthening flap 85 being folded over an angle of ⁇ 135° about the folding line 101 and the lip 105 being slipped into the slot 106.
- the first widening strip 89 obtains a greater supporting power at the corners of the box because of the support by the portion 103 of the wider first lengthening flap 85.
- the box is foldable again from the drawn position and erectable again in the drawn position because of the first oblique folding lines 18-21 and 87 respectively, the triangular side wall portions 22-25, 88 and 100 respectively being glued on a corresponding portion at the outside of the first lengthening flaps 10-13, 85 and 102 respectively.
- the blank and the box, which are drawn in the figures 22 and 23, form an ordinary rectangular box, which in the position drawn in figure 23 is not foldable, but on which the above described invention can be applied equally well.
- the blank according to figure 22 has a bottom, which consists of four separate bottom panels 107, 108 and 109, 100 and has two pairs of side wall panels 111, 112 and 113, 114, wherein the bottom and side wall panels are connected with each other by folding lines 115-118.
- the side wall panels are connected with each other by folding lines 119, 120 and 121, whereas the side wall panel 111 is provided with a connecting flap 122, which is connected with the panel 111 by a folding line 123.
- first side wall panels 113 and 114 between which a second side wall panel 112 lies, near the free end edge 124 and 125 respectively each time a strip folding line 126 and 127 respectively is provided extending parallel to said end edge
- the strip folding line 127 also being provided in the connecting flap 122 and which strip folding lines in the first side wall panels 113 and 114 limit a widening strip 128 and 129 respectively
- an oblique folding line 130, 131 and 132, 133 respectively is provided extending at an angle of ⁇ 45° towards the free end edge
- said oblique folding lines limit a triangular connecting portion 134, 135 and 136, 137 respectively, wherein the triangular connecting portions 135 and 137 lie in the side wall panel 111 and the triangular connecting portions 135 and 136 lie in the side
- Folding the blank according to figure 22 and erecting the box according to figure 23 takes place as follows:
- the side wall panels 111-114 are folded at right angles on each other about the folding lines 119-123, the connecting flap 122 being glued on the side wall panel 114 and the bottom panels 107-110 being folded square to the side wall panels 111-114, in such a way, that the bottom panel 109 lies with the one half above the bottom panel 108 and with the other half below the bottom panel 107 and that the bottom panel 110 lies with the one half above the bottom panel 107 and with the other half below the bottom panel 108.
- the bottom panels are preferably glued on each other or adhered to each other with tape at their portions overlapping each other.
- the widening strips 128 and 129 are folded inwardly about the folding lines 126 and 127 respectively square to the side wall 113 and 114 and simultaneously the triangular connecting portions 134, 135 and 136, 137 are folded inwardly over 180° and double on the side walls 111 and 112 about the oblique folding lines 130, 131 and 132, 133, as a result of which there are formed relatively high side walls 111 and 112 and supporting planes 128 and 129 at the other side walls 113 and 114.
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Abstract
Description
- The present invention relates to a box provided with a bottom and with two pairs of opposite upright side walls, wherein the one pair of opposite side walls over at least a part of their length are higher than the other pair of opposite side walls and wherein the other pair of opposite side walls each are provided with at least one widening strip, which is bent approximately square to the corresponding side wall.
- Such a box is known from the document FR-A-2,617,810. With this known box the one pair of side walls is only a little bit higher than the other pair of side walls and the higher part extends only over a small length of the one pair of side walls in the form of centering lips. Furthermore the widening strips of the other pair of side walls have at both ends a rectangular connecting portion, which is simply glued to the outer surface of the one pair of side walls. As a consequence thereof, when stacking the (filled) boxes, the centering or positioning of the boxes with respect to each other is reduced to a minimum and requires exact placing of the boxes on top of each other. Otherwise the centering lips will be easily bent down, thereby loosing their function. The weight of the higher placed boxes in the stack must be supported substantially by the side walls with the widening strips and these widening strips have only a limited supporting strength because of oblique fold lines therein. As a consequence of these defects the known box has a very poor stacking stability.
- The invention aims at removing these objections of the known box.
- This aim is achieved in that according to the invention each widening strip at at least one end is provided with a connecting portion in the form of a triangular wall portion, which is connected with the widening strip and is approximately square to the widening strip and which lies flat on the adjacent higher side wall and is connected by means of an oblique fold line with said higher side wall (see claim 1).
- By applying said measures it is achieved, that the boxes can be nested into each other, in that the lower part of the upper box is locked in between the pair of higher side walls, whereby when stacking the boxes a relatively large stack stability exists. The widening strips which are folded square to the other side walls form supporting planes which transfer a part of the weight to the lower side walls, but the largest part thereof to the higher side walls by means of the connecting portions, whereby the supporting power is increased considerably. Moreover the nesting improves the form stability of the boxes considerably with respect to that of the known boxes.
- The invention also relates to a collapsible box provided with a one-piece bottom and with two pairs of opposite upright side walls, which are folded approximately square to the bottom, two opposite side walls at both ends each being provided with a first lengthening flap which is folded approximately square to the side wall, which lengthening flap with a part of its outer surface is secured to a corresponding part of the inner surface of an adjacent side wall of the other pair and whereby in said adjacent side wall each time from both bottom corner points a first oblique folding line is provided extending upwardly at an angle of ± 45°, such, that the part of said side wall which is secured to the lengthening flap, is at the side of the first oblique folding line turned away from the bottom.
- From the document EP-A-0,109,116 a collapsible box of the above described type has become known which has the advantage that it takes relatively less space when transporting and storing the empty boxes, whereby storage and transport costs are saved with respect to that with the old and uncollapsible boxes. This known box can be easily transferred from the collapsed position into the position of use. However, a disadvantage of this known collapsible box is that the side walls, in which the first oblique folding line is applied, under load have the tendency to yield inwardly at the oblique folding line, whereby also the complete side wall yields inwardly. Because of this these side walls do not, or only very little, serve as support for a part of the load.
- The invention aims at removing this objection of the known collapsible box.
- This aim is achieved, in that according to the invention the one pair of side walls over at least a part of the length have a greater height than the other pair of side walls, in that each first lengthening flap at the side opposite the bottom is provided with a first widening strip, which is folded approximately square to the lengthening flap and in that each first widening strip at the side of the higher side wall is provided with a triangular wall portion, which is folded approximately square to the widening strip and is folded double on the higher side wall (see claim 3).
- This aim is also achieved by the characterizing features of
claim 12 - By applying these measures not only the above described advantages of the uncollapsible box are achieved, but it is also achieved that the side walls, in which the first oblique folding line is provided, are stretched, whereby the yielding inwardly thereof is almost completely prevented. As a result of this these side walls keep supporting a proportional part of the load. The stretching of said side walls takes place, in that the lower part of the upper box is nested between the higher side walls of the lower box, whereby said higher side walls and thus also the lower side walls with the first oblique folding line cannot yield inwardly.
- Furthermore, the invention relates to a blank for manufacturing a box provided with at least one bottom panel and with four side wall panels, which are foldably connected with each other and with the bottom panel. Such a blank is known from the document FR-A-1,358,881. With this known blank there are no side walls that are higher than the adjoining side walls, so that the boxes in a stack made from those blanks, can easily shift with respect to each other and the resultant stack had little or no stack stability. The double walls all around provide some strength to support the weight of higher positioned boxes, but this strength is limited, because the double side walls are not glued together, and the costs for the material of the boxes are high.
- According to the invention in two first side wall panels, between which a second side wall panel lies, near the free end edge a strip folding line is applied extending parallel to said end edge, which folding line limits a widening strip in the first side wall panels, and that in the second side wall panels each time from the intersection of the strip folding line with the folding lines between the side wall panels an oblique folding line is applied, said oblique folding line extending at an angle of ± 45° towards the free end edge, said folding line in the second side wall panels each time limits two triangular connecting portions (see claim 16).
- The invention also relates to a blank for manufacturing a collapsible box according to
claims - The blank according to the invention has a relatively high stack stability due to the opposite pair of higher side walls, and a relatively high support strength due to the connecting portions between the higher side walls and the widening strips at the lower side walls.
- The invention will be elucidated with a pair of examples on the basis of the drawing.
- Figure 1 is a plan view of a blank in a preferred embodiment according to the invention,
- figure 2 is a perspective view of a box, which is folded and erected from the blank according to figure 1,
- figure 3 is a perspective view of a part of the folded box according to the invention in the embodiment according to the figures 1 and 2,
- the figures 4 up to and including 13 each time show a version of the blank according to figure 1 and the foldable (to be taken as meaning collapsible) box according to figure 2 respectively, whereby to simplify the drawing each time only one corner portion of the blank and the erected box respectively is drawn,
- the figures 14 up to and including 21 each time show another alternative of a blank and foldable box respectively according to the invention, both also on the basis of a corner portion, and
- the figures 22 and 23 show a blank and erected box respectively according to the invention in the most elementary form.
- The figures 1 and 2 show a blank and an erected and foldable box respectively according to the invention.
- The blank according to figure 1 is provided with a
bottom panel 1 and with two pairs of oppositeside wall panes folding lines side wall panels flap folding line side wall panels bottom panel 1, a firstoblique folding line folding lines wall panel portions - According to the invention the width B of the
side wall panels side wall panels folding lines side wall panel 2, 3 a first triangular panel portion 34-37 is formed, which about a folding line 38-41, which is substantially in line with the folding line 14-17, is foldably connected with the first widening strip 26-29 and which about a second oblique folding line 42-45, which encloses an angle of ± 45° with the folding line 38-41, is foldably connected with theside wall panel - Further in the embodiment of the blank according to figure 1 each relatively wide
side wall panel bottom panel 1 is provided with asecond widening strip folding line side wall panel second widening strip flaps second widening strip - In the
side wall panels oblong holes carrying handles 62. - Folding and erecting of the box according to the figures 1, 2 and 3 takes place as follows:
first thesecond widening strips lengthening flaps folding lines side wall panels lengthening flaps - Subsequently the pairs of lengthening
flaps 10, 50 - 13, 53 glued on each other and the first widening strips 26-29 are folded inwardly over ± 180° about the pairs offolding lines side wall panels folding lines - Then the surfaces of the side wall panel parts 22-25 visible in figure 1 are provided with glue and the portions of the rear planes of the first lengthening flaps, which are indicated with the hatched planes 10a-13a, are glued on the side wall panel portions 22-25.
- Now the folded condition of the box according to figure 3 is achieved. For erecting the box one grabs the
carrying handles 62 and pulls them upwardly so far in the direction of the arrow P, until they almost stand upright. Thereafter one pushes the gluedlengthening flaps 10, 50 - 13, 53 with the corresponding first widening strips 26-29 outwardly in the direction of the arrows Q (figure 2), until theside walls side walls second widening strips - As a result of this the box is erected in the condition according to figure 2, the position of use. In this position of the box the widening strips 26-29, which are folded square to the
side walls side walls side walls side walls - Owing to the triangular wall portions 34-37, which are folded double on the
side walls side walls side walls - Although the box in practice is meant for use only once it can be transferred from the position according to figure 2 again easily into the position according to figure 3 by first folding back the first widening strips 26-29 and the first triangular wall portions 34-37 connected therewith into the plane of the
side walls lengthening flaps 10, 50 - 13, 53 with the corresponding first widening strips 26-29 towards theside walls side walls side walls - The invention can also be well applied to a box (not drawn), wherein the
side walls lengthening flaps second widening strips flaps - Of the embodiments of the blank and the foldable box according to the figures 4 up to and including 21 each time only one corner portion of the blank and of the foldable box respectively is indicated in the drawing and described hereafter. The other three corner portions, which with a view to simplicity and overview are not reproduced in the drawing, have the same construction and shape and the drawn corner portion.
- In the drawing of the version according to the figures 4 and 5 the parts of the blank and the box, which are similar to those of the embodiment according to the figures 1 and 2, are provided with the same reference numerals, so that a further explanation thereof is superfluous.
- With the blank according to figure 4 the
second lengthening flap 50 at the side turned towards the first wideningstrip 26 is provided with athird widening strip 63, which is connected with thesecond lenthening flap 50 by afolding line 64, which can be partly cut loose. - In the point of intersection of the
folding lines 14; 38 and 42 acircle 65 with a diameter of ± 10 mm can be cut out to facilitate folding. - Upon folding the box from the blank according to figure 4 in the shape according to figure 3 and erecting the folded box according to figure 5, which takes place in the same manner as with the embodiment of blank and box according to the figures 1 and 2, the third widening
strip 63 is folded and glued on the first wideningstrip 26, which glued wideningstrips folding lines - With this "double" construction of the first widening strip the supporting planes made therefrom obtain a greater rigidity and solidity than with the embodiment according to the figures 1, 2 and 3.
- The version of blank and foldable box according to the figures 6 and 7 is equal to that according to the figures 4 and 5, wherein between the third widening
strip 63 and the second widening strip 46 a secondtriangular panel portion 66 is formed, which about afolding line 67 approximately in line with thefolding line 54, is foldably connected with the third wideningstrip 63 and which about afolding line 68, which encloses an angle of ± 45° with thefolding line 67 and which extends from the intersection point of thefolding lines strip 46. - In the point of intersection of the
folding lines circle 69 having a diameter of ± 10 mm can be cut out to facilitate folding. - Folding and erecting the box according to figure 7 takes place in the same manner as with the embodiment according to figure 5, the second
triangular panel portion 66 being folded on the firsttriangular panel portion 34, however, not glued. Upon folding the first and third widening strips 26 and 63 square to theside wall 4 thetriangular panel portions double side wall - The version of blank and foldable box according to the figures 8 and 9 is almost equal to that according to the figures 1, 2 and 3, wherein the same parts are provided with the same reference numerals. In the first widening
strip 26, however, a fourthoblique folding line 70 is provided, which extends from the point of intersection of thefolding lines folding lines oblique folding line 70 aims at facilitating folding of the first wideningstrip 26 and the first triangular panel andwall portion 34 respectively in the position according to figure 9. - The version of blank and foldable box according to the figures 10 and 11 is based on the "single-walled" embodiment of the blank and the foldable box according to the figures 1, 2 and 3, which are above described. With the version according to the figures 10 and 11 the
folding line 30 between the first wideningstrip 26 and thefirst lengthening flap 10 is partly replaced by acut 71 from the free end. Further in the first widening strip 26 a fifthoblique folding line 72 is provided from the closed end of thecut 71, which is connected with the free end of thefolding line 38 and which encloses an angle of ± 45° with thefolding line 30. Finally in the first widening strip 46 a folding line 73 is provided from the closed end of thecut 71, which is approximately perpendicular to the cut. The portion of the first widening strip at the right side of the folding line 73 is divided into twotriangular portions diagonal folding line 72 and at the left side of the folding line 73 a cutloose portion 76 is formed. - For erecting the box according to figure 11 first the
portions diagonal folding line 72 over 180° on the lengtheningflap 10 and thetriangular portion 74 respectively and theportion 76 is glued on thefirst lengthening flap 10 and optionally thetriangular portion 75 is glued on thetriangular portion 74. Then theside wall 4 is folded inwardly on the bottom 1 about thefolding line 8 over 180° and the sidewall panel portion 23 is folded back over 180° on theside wall 4 about thefolding line 19 and the upper surface of the panel portion is provided with glue. Subsequently thefirst lengthening flap 10 with the portions 74-76 attached thereto are folded over 180° on theside wall 2 and the corresponding portion of the lengthening flap 10 (compare portion 10a in figure 1) is glued on thepanel 23. - Then the box is erected as is described with the embodiment according to figure 1 and the
triangular portions triangular panel portion 34 is folded over 180° on theside wall 2. - With the embodiment according to the figures 10 and 11 the
triangular portions side walls side walls side walls - The embodiment of the blank and the foldable box according to the figures 12 and 13 is equal to that according to the figures 10 and 11, except that the cut
loose portion 76 is made longer,portion 77, and that thefirst lengthening flap 10 at the outside is provided with athird lengthening flap 78, which after folding and glueing theportion 77 on thefirst lengthening flap 10, is folded abound thefolding line 79 over 180° on thefirst lengthening flap 10 and that theportion 77 is glued on both. Folding, glueing, erecting and folding again further takes place in the same manner as with the embodiment according to the figures 10 and 11. - With the embodiment according to the figures 14 and 15 the blank (figure 14) has a
rectangular bottom panel 80, aside wall panel 81, which is foldably connected with thebottom panel 80 about afolding line 82, and anotherside wall panel 83, which is foldably connected with thebottom panel 80 about afolding line 84. The oneside wall panel 81 is provided with afirst lengthening flap 85, which is foldably connected with theside wall panel 81 about afolding line 86. - In the other
side wall panel 83 from the corner point of thebottom panel 80 to a firstoblique folding line 87 is provided, enclosing an angle of ± 45° with thefolding line 84, saidfolding line 87 limiting aside wall panel 88 at the side turned away from thebottom panel 80. - According to the invention the width B of each
first lengthening flap 85 is greater than the width b of theside wall panel 81 and the oneside wall panel 81 at the side turned away from thebottom panel 80 is provided with a first wideningstrip 89, which is foldably connected with theside wall panel 81 about afolding line 90. - Further according to the invention between the first widening
strip 89 and the first relatively wide lengthening flap 85 a firsttriangular panel portion 91 is formed, which about afolding line 92, which is substantially in line with thefolding line 86 betweenside wall panel 81 and thefirst lengthening flap 85, is foldably connected with the first wideningstrip 89 and about a firstoblique folding line 93 in the lengtheningflap 91, which encloses an angle of ± 45° with thefolding line 92 and extends from the point of intersection of thefolding lines flap 85. - Folding the blank and erecting the foldable box takes place as follows:
first theside wall panel 83 is folded double on the bottom panel about thefolding line 84 and theside wall portion 88 is folded double on theside wall panel 83 about thefolding line 87 and is provided with glue. Subsequently the relatively wide lengtheningflap 85 is folded double about thefolding lines side wall panel 81 and the first wideningstrip 89 respectively, a corresponding portion of the outer surface of the relatively wide lengtheningflap 85 being glued on the sidewall panel portion 88. - Then the
side wall panel 81 with the first wideningstrip 89 is positioned perpendicularly to the bottom 80 and simultaneously theside wall 83 is positioned perpendicularly to the bottom by means of the connection 85-88. Finally the first wideningstrip 89 is folded perpendicularly to theside wall 81 and almost simultaneously the firsttriangular panel portion 91 is folded double over 180° on the relativelybroad lengthening flap 85 about the secondoblique folding line 93. - In a stack of boxes according to figure 15 the
bottoms 80 can be nested between the relatively wide lengthening flaps 85 and thereby theside walls 81 are stretched, whereas the largest part of the weight is transferred by the first widening strips 89 via the firsttriangular panel portions 91 to the relatively wide lengthening flaps 85 and consequently to theside walls 83. - The blank according to figure 16 is for the largest part equal to that according to figure 14, thereby using the same reference numerals for the same parts. The blank according to figure 16 at the side of the first widening
strip 89 turned away from theside wall panel 81 is provided with asecond widening strip 94, which with afolding line 92 is foldably connected with the first wideningstrip 89 and the second wideningstrip 94 at the side turned away from the first wideningstrip 89 is provided with athird widening strip 96, which is foldably connected with the second wideningstrip 94 with afolding line 97. Thethird widening strip 96 is at both ends provided with asecond lengthening flap 98, which is foldably connected with the third wideningstrip 96 about afolding line 99. - Folding the blank and erecting the foldable box according to figure 17 takes place in the same manner as with the embodiment according to figures 14 and 15, except that with the embodiment according to the figures 16 and 17 the second widening
strip 94 is folded double and glued on the first wideningstrip 89 and the third wideningstrip 96 is folded double and glued on theside wall 81, and also thesecond lengthening flap 98 is folded and glued on the widerfirst lengthening flap 85. - The function and the effect of the embodiment of the box according to figure 17 are the same as that of the box according to figure 15, except that with the foldable box according to figure 17 the supporting power of the
side walls - The blank according to figure 18 is for the greater part equal to that according to figure 16, thereby using the same reference numerals for the same parts. With the blank according to figure 18 the
side wall panel 83 is at both ends provided with awider panel portion 100, which lies at the side of the firstoblique folding line 87 turned away from thebottom panel 80, the shape of saidwider panel portion 100 being adapted to that of the widerfirst lengthening flap 85 and the width of which being indicated with BR, while theside wall 81 has a smaller width br. - Folding the blank and erecting the foldable box with the embodiment according to the figures 18 and 19 takes place in the same manner as with the embodiment according to the figures 16 and 17, in which moreover the wider side
wall panel portion 100 is glued on a corresponding portion of the widerfirst lengthening flap 85. - The function and the effect of the foldable box according to figure 19 are the same as that of the foldable box according to figure 17, in which moreover the wider
side wall panel 100 gives the wider first lengthening flap 85 a greater rigidity and supporting power. - The blank according to figure 20 is for the greater part equal to that according to figure 14. The wider
first lengthening flap 85, however, is divided by afolding line 101, which is parallel to thefolding line 96 between the lengtheningflap 85 and theside wall panel 81, into two approximately equallylong portions portion 103 at its edge 104, which is parallel to thefolding line 101, being provided with alip 105 and theportion 103 being made in approximately the same width as theside wall panel 81. Further in theside wall panel 81 near the folding line 86 aslot 106 is provided, the length of which is somewhat greater than the width of thelip 105. - Folding the blank and erecting the box according to the figures 20 and 21 takes place in the same manner as with the embodiment according to the figures 14 and 15, moreover the
portion 103 of the widerfirst lengthening flap 85 being folded over an angle of ± 135° about thefolding line 101 and thelip 105 being slipped into theslot 106. With this embodiment of the foldable box according to the invention the first wideningstrip 89 obtains a greater supporting power at the corners of the box because of the support by theportion 103 of the widerfirst lengthening flap 85. - With the embodiment of the foldable box according to the invention, which is drawn in the figures 4 up to and including 21, the box is foldable again from the drawn position and erectable again in the drawn position because of the first oblique folding lines 18-21 and 87 respectively, the triangular side wall portions 22-25, 88 and 100 respectively being glued on a corresponding portion at the outside of the first lengthening flaps 10-13, 85 and 102 respectively.
- The blank and the box, which are drawn in the figures 22 and 23, form an ordinary rectangular box, which in the position drawn in figure 23 is not foldable, but on which the above described invention can be applied equally well.
- The blank according to figure 22 has a bottom, which consists of four separate
bottom panels side wall panels lines side wall panel 111 is provided with a connectingflap 122, which is connected with thepanel 111 by a folding line 123. - According to the invention in two first
side wall panels side wall panel 112 lies, near thefree end edge strip folding line strip folding line 127 also being provided in the connectingflap 122 and which strip folding lines in the firstside wall panels strip side wall panels strip folding lines folding lines folding lines 120 and 123, anoblique folding line portion portions side wall panel 111 and the triangular connectingportions side wall panel 112. - Folding the blank according to figure 22 and erecting the box according to figure 23 takes place as follows:
The side wall panels 111-114 are folded at right angles on each other about the folding lines 119-123, the connectingflap 122 being glued on theside wall panel 114 and the bottom panels 107-110 being folded square to the side wall panels 111-114, in such a way, that thebottom panel 109 lies with the one half above thebottom panel 108 and with the other half below thebottom panel 107 and that thebottom panel 110 lies with the one half above thebottom panel 107 and with the other half below thebottom panel 108. The bottom panels are preferably glued on each other or adhered to each other with tape at their portions overlapping each other. - Now the widening
strips folding lines side wall portions side walls oblique folding lines high side walls planes other side walls - With the box according to figure 23 in a stack of said boxes, whether or not filled, a part of the weight of the upper box or boxes is transferred to the
side walls strips other side walls strips portions high side walls
Claims (27)
the other pair of opposite side walls (113, 114) each are provided with at least one widening strip (128, 129), which is bent approximately square to the corresponding side wall, characterized in that each widening strip (128, 129) at at least one end is provided with a connecting portion in the form of a triangular wall portion (134, 135; 136, 137), which is connected with the widening strip and is approximately square to the widening strip and which lies flat on the adjacent higher side wall (111, 112) and which is connected by means of an oblique fold line (130, 131, 132, 133) with said higher side wall (figure 23).
that each first lengthening flap (10, 13) at the side opposite the bottom (1) is provided with a first widening strip (26-29), which is folded approximately square to the lengthening flap and
that each first widening strip (26-29) at the side of the higher side wall (2, 3) is provided with a triangular wall portion (34-37), which is folded approximately square to the widening strip and is folded double on the higher side wall (figure 2 single-walled).
that the cut loose portion (76) is folded double on the first lengthening flap (10-13) about a diagonal folding line (72) in the remaining portion of the first widening strip (26-29) and said portion is glued thereon and that the triangular portions (74, 75) of the widening strip (26-29) formed by the diagonal folding line (72) are folded on each other about said diagonal folding line (figure 11).
the other pair of side walls (83) over at least a part of the length have a greater height than the other pair of side walls (81), the higher portion of the other pair of side walls extending above the one pair of side walls, each time being made in one piece with a corresponding first lengthening flap (85),
that the lower pair of side walls (81) at the side turned away from the bottom (80) is provided with a first widening strip (89), which is folded inwardly approximately square to the side wall and
that each first widening strip (89) at both ends is provided with a first triangular wall portion (91), which is folded square to the first widening strip and which is folded double on the higher portion of the other pair of side walls (figure 15).
that each first lengthening flap (85), at its free side edge (104) perpendicular to the bottom is provided with a lip (105) which is slipped into a slot (106) in the lower side wall (81) connected with the lengthening flap (figure 21).
that in the second side wall panels (111, 112), each time from the intersection of the strip folding line (126, 127) with the folding lines (119, 121; 120, 123) between the side wall panels (111-114), an oblique folding line (130, 133) is applied, said oblique folding line extending at an angle of ± 45° towards the free end edge, said folding line in the second side wall panels (111, 112) each time limits two triangular connecting portions (134, 137; 135, 136) (figure 22).
that each first lengthening flap (10, 11; 12, 13) at the side opposite to the folding line (6, 7) between bottom (1) and side wall panel (2, 3) is provided with a first widening strip (26-29), which is foldably connected with the lengthening flap and that between each first widening strip (26-29) and the wider side wall panel (2, 3) a first triangular panel portion (34-37) is formed, which is foldably connected with the first widening strip about a folding line (38-41), which is substantially in line with the folding line (14-17) between first lengthening flap (10-13) and side wall panel (2, 3), and which is foldably connected with the side wall panel about a second oblique folding line (42, 45), which encloses an angle of ± 45° with the folding line (38-41) between the first widening strip and the triangular panel portion (34-37) (figure 1 single-walled).
that in each first widening strip (26-29) from the closed end of the cut (71) a folding line (73) is provided, which is substantially perpendicular to the cut (figure 10).
that each first lengthening flap (10-13) at the side turned away from the wider side wall panel (2, 3) is provided with a third lengthening flap (78), which is foldably connected with the first lengthening flap (figure 12).
that the side wall panels (81) of the one pair at the side turned away from the bottom panel (80) both are provided with a first widening strip (89), which is foldably connected with the side wall panel and
that between each first widening strip (89) and each wider lengthening flap (85) a first triangular panel portion (91) is provided, which is foldably connected with the first widening strip (89) about a folding line (92), which is substantially in line with the folding line (86) between side wall panel (81) and lengthening flap (85), and which is foldably connected with the broader lengthening flap (85) about a second oblique folding line (93), which encloses an angle of ± 45° with the folding line (92) between the triangular panel portion (91) and the first widening strip (89) (figure 14).
that a lip (105) is provided at the outer edge (104) of the lengthening flap (85), which is parallel to the folding line (86) between lengthening flap and side wall panel and
that in each side wall panel (81) of the one pair near the ends a slot (106) is provided, the length of which is greater than that of the lip (105) (figure 20).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89201005A EP0393253B1 (en) | 1989-04-21 | 1989-04-21 | A box and a foldable box respectively, and a blank therefor |
AT89201005T ATE79345T1 (en) | 1989-04-21 | 1989-04-21 | FOLDING BOX AND CUT FOR IT. |
DE8989201005T DE68902471T2 (en) | 1989-04-21 | 1989-04-21 | FOLDING BOX AND CUTTING THEREFOR. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89201005A EP0393253B1 (en) | 1989-04-21 | 1989-04-21 | A box and a foldable box respectively, and a blank therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0393253A1 EP0393253A1 (en) | 1990-10-24 |
EP0393253B1 true EP0393253B1 (en) | 1992-08-12 |
Family
ID=8202368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89201005A Expired - Lifetime EP0393253B1 (en) | 1989-04-21 | 1989-04-21 | A box and a foldable box respectively, and a blank therefor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0393253B1 (en) |
AT (1) | ATE79345T1 (en) |
DE (1) | DE68902471T2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5333734A (en) * | 1993-08-19 | 1994-08-02 | The Mead Corporation | Heavy duty article carrier for cans arranged in a horizontal position |
SG65644A1 (en) * | 1996-03-22 | 1999-06-22 | Asano Danbohru Kabushiki Kaish | Collapsible container |
DE60037833T2 (en) * | 1999-03-12 | 2009-01-22 | International Cup Corp. | CONTAINERS FOR COOKING FOOD IN MICROWAVE OVENS AND METHOD FOR THE PRODUCTION THEREOF |
DE202012007445U1 (en) * | 2012-08-04 | 2013-08-05 | Baypack Gmbh | Transport platforms, in particular for fruits or vegetables |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1358881A (en) * | 1963-06-07 | 1964-04-17 | Saves S P A | Removable box made of paper, cardboard or similar for the transport and storage of vegetable or fruit products in bulk |
EP0109116A1 (en) * | 1982-11-04 | 1984-05-23 | B.V. Kartonnagefabriek Gelria | Foldable box and blank therefor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1249884A (en) * | 1968-10-30 | 1971-10-13 | Linpec Containers Ltd | Improvements in or relating to boxes or trays |
DE3302972A1 (en) * | 1982-03-13 | 1983-09-22 | Allgäuer Holzspanschachtelfabrik und Kartonagenwerk Albert Frey, 8949 Dirlewang | Stackable set-up folding box |
GB2148254A (en) * | 1983-10-27 | 1985-05-30 | Corrugated Prod Ltd | Collapsible boxes |
FR2617810B3 (en) * | 1987-07-08 | 1989-06-09 | Carton Ondule Ste | FOLDABLE PACKAGING OF THE TYPE OF FRUIT TRAYS |
-
1989
- 1989-04-21 DE DE8989201005T patent/DE68902471T2/en not_active Expired - Fee Related
- 1989-04-21 EP EP89201005A patent/EP0393253B1/en not_active Expired - Lifetime
- 1989-04-21 AT AT89201005T patent/ATE79345T1/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1358881A (en) * | 1963-06-07 | 1964-04-17 | Saves S P A | Removable box made of paper, cardboard or similar for the transport and storage of vegetable or fruit products in bulk |
EP0109116A1 (en) * | 1982-11-04 | 1984-05-23 | B.V. Kartonnagefabriek Gelria | Foldable box and blank therefor |
Also Published As
Publication number | Publication date |
---|---|
DE68902471T2 (en) | 1993-02-25 |
ATE79345T1 (en) | 1992-08-15 |
EP0393253A1 (en) | 1990-10-24 |
DE68902471D1 (en) | 1992-09-17 |
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