JP2007055660A - Carton with zipper - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a carton with a zipper easily held by anyone and easily opened by making an improvement of providing a recessed part in a part of a folding line overlapping on an end side of a zipper tab to form a clearance below the tab. <P>SOLUTION: The zipper is formed by two cutting lines extending from an end side of a carton panel of cardboard, a tab acting as a starting end of the zipper is held to tear off the zipper to open a predetermined area in the carton, either a part of or all of the folding line on the carton overlapping on the end side of the tab is provided with a recessed part to form a clearance between the tab and the carton. The recessed part is formed by folding a lower panel arcuate folding line of zipper having a shape bulged out to an arcuate form from the folding line to the lower panel of the zipper and a side panel arcuate folding line having a shape bulged out to an arcuate form at a side panel, and the maximum height of the side panel arcuate folding line from the folding line is larger than the maximum height of a zipper lower panel arcuate folding line from the folding line. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a carton with a zipper to which easy opening by a zipper is imparted, and particularly relates to a carton with a zipper having a shape that makes it easy to pick a zipper.

  Conventionally, a zipper is frequently used when opening a carton, particularly a top panel or a body part of a sealed end carton into a predetermined shape. FIG. 7 is an explanatory view of a conventional carton with a zipper. FIG. 7A shows a case of a carton X with a zipper that opens the top panel by picking and removing the zipper J provided at the center of the top panel 16 from the knob T, and FIG. The cover panel which can be opened and closed by the hinge (not shown) of the rear panel is formed by first tearing the side panel horizontally at the perforation M after tearing the panel of the body part in parallel with the zipper J that runs parallel to the knob part T. Zippered carton Y. In any of the zippers J, a grip portion T, which is a portion to be picked at the tip portion of the zipper J, is formed by cutting lines t and t from the tip so as to be easily picked by a finger.

However, in the conventional zipper, in order to tear the zipper, there is no gap, and it is necessary to pick the picking part T by raising a nail or the like. For example, there is a problem that opening is difficult. In order to solve such a problem, as shown in FIG. 7C, a recess O is provided in a part on the broken line h immediately below the end of the knob T of the zipper J, and a gap is formed under the knob T. A carton Z with a zipper in which is formed is proposed (see Patent Document 1).
JP 2003-155029 A

  However, in the carton Z with a zipper in which a concave portion O is provided in a part of a broken line that overlaps the end side of the knob portion T of the zipper J and a gap is formed under the knob portion T, the blank 10Z of FIG. As shown in the drawing and the enlarged view of the recess O in FIG. 8B, the height t14 of the recess O from the fold line h of the zipper lower panel arc-shaped fold line h14 and the height t22 of the side panel arc-shaped fold line h22 from the fold line h are shown. Are the same, and when the heights t14 and t22 of the zipper lower panel arc fold line h14 and the side panel arc fold line h22 on both sides are made higher, the zipper lower panel arc fold line h14, The broken line h provided with the panel arc-shaped broken line h22 becomes difficult to bend. Further, when assembled into the zippered carton Z, the corners of the recesses O are raised, and the top panel 16 and the side panel 14 are greatly raised. In particular, by increasing the side panel arc-shaped broken line h22 of the top folding piece 22, When assembling with the packaging machine, the top folding piece 22 becomes difficult to bend. 2. When the top folding piece 22 swells, there is a risk that the adhesion between the ceiling panel 20 and the ceiling panel 16 becomes insufficient or the shape is likely to be deformed. In this case, the function of the zipper J is impaired, The shape retention is also deteriorated. 3. The swelling of the top panel 14 becomes large, it becomes difficult to stack, and the storage is hindered. There are problems such as.

  The carton with a zipper according to the present invention solves the above-mentioned problems and improves the shape in which a recess is provided in a part of a broken line that overlaps the end of the zipper knob and a gap is formed under the knob. The purpose is to provide a carton with a zipper that makes it easy for anyone to pick and open the carton.

  In order to solve the above-mentioned problems, the present invention provides a zipper with two cut lines from the edge of one panel of a paperboard carton, tears the zipper by pinching a knob that is the starting end of the zipper A predetermined region of the carton can be opened, and a recess is provided in a part or all of the carton line that overlaps the edge of the knob to form a gap between the knob and the carton A zippered carton, wherein the recess has an arc-shaped zipper lower panel arc-shaped bulging line from the fold line to the zipper lower panel side, and an arc-shaped bulging shape from the fold line to the side panel side. The side panel arc-shaped broken line is formed by folding, and the maximum height of the side panel arc-shaped broken line from the broken line is the fold of the zipper lower panel arc-shaped folded line. A zippered carton being greater than the maximum height from the line.

  According to the carton with a zipper of the present invention, a gap is formed between the knob and the carton by providing a recess in part or all of the ridge line of the carton where the end of the zipper knob overlaps. In addition, it is easy for anyone to pick the handle that is the handle for tearing the zipper, and the maximum height from the broken line of the side panel arc-shaped broken line is larger than the maximum height from the broken line of the arc-shaped broken line of the lower zipper panel By doing so, there is an effect that it is easy to put a finger into the gap below the zipper knob and to easily pick the knob. In particular, in the panel provided with the zipper, by raising the height of the arc-shaped broken line by not making it larger than the maximum height from the broken line of the arc-shaped broken line, the corners of the recesses occur to inflate the panel provided with the zipper, There is an effect that various problems such as deformation of the shape and the function of the zipper are not caused. In addition, the concave portion is wide when viewed from the front, and it is easy to understand that a finger can be put in visually, and the touch of the finger when attached is good.

  Further, the side panel also has an effect that the rise due to the corner portion provided with the concave portion is reduced, and there is no problem in physical distribution such as storage.

  Embodiments of the present invention will be described in more detail with reference to the drawings.

  FIG. 1 is a perspective view of an example of an embodiment of a carton with a zipper according to the present invention. In the carton A with a zipper according to the present invention, a zipper J- is provided on the top of the top panel 16. And the front-end | tip part forms the picking part T by putting the cut lines t and t from the front-end | tip. Furthermore, a concave portion O that is partially inclined to form a gap between the knob portion T and the carton is formed on the ridge line of the carton where the ends of the knob portion T overlap.

  FIG. 2A is a development view of the blank of the carton A with zipper of FIG. In the blank 10A, the front panel 11, the side panel 12, the rear panel 13, the side panel 14, and the adhesive margin piece 15 are continuously provided via the broken lines a, b, c, and d. The top panel 16 is connected to the upper side of the front panel 2 via a broken line e, the bottom panel 17 is connected to the lower side of the front panel 2 via a bent line e, and the folded pieces 18 are connected to the upper and lower sides of the side panel 12. 19 is connected to the upper side of the rear panel 13 via a broken line g, and the bottom panel 21 is connected to the lower side of the rear panel 13 via a broken line g. Folding pieces (zipper lower panel) 22 and folding pieces 23 are connected to the upper and lower sides of the panel 14 via fold lines h and h.

  The carton A with zipper according to the present invention is provided with an opening zipper J formed of two L-shaped notches j and j at a predetermined pitch at the center of the top panel 16. Then, by lifting the knob T and tearing the zipper J of the top panel 16, the top panel 16 can be divided into two and opened.

  Further, as shown in the partial enlarged view of FIG. 2B, the edge of the top line 16 overlaps with the edge of the grip portion T of the zipper J when assembled to the carton, as shown in the partial enlarged view of FIG. A zipper having a shape that swells in an arc shape on the side panel 14 side so as to form a concave portion O that is partially inclined when the side panel 14 and the folded piece (zipper lower panel) 22 are folded at a right angle along a fold line h in a wider portion. A lower panel arc-shaped broken line h14 and a side panel arc-shaped bent line h22 having a shape bulging in an arc shape are provided on the side of the folded piece (zipper lower panel) 22. That is, the zipper lower panel arc-shaped broken line h14 and the side panel arc-shaped bent line h22 have a convex lens shape.

  Further, in the carton A with zipper of the present invention, the zipper lower panel arc-shaped broken line h14 and the side panel arc-shaped bent line h22 are not provided in the same shape symmetrically with respect to the broken line h, but the zipper lower panel arc-shaped folded line h14 is provided from the side panel arc-shaped folded line h22. The maximum height t14 from the arc fold line h of the zipper lower panel arc-shaped broken line h14 is larger than the maximum height t22 from the arc fold line h22 of the side panel arc-shaped bent line h22. When the shapes of the zipper lower panel arc-shaped broken line h14 and the side panel arc-shaped bent line h22 are arc-shaped, the radius of curvature of the arc of the side panel arc-shaped bent line h22 is set to be larger than the radius of curvature of the arc of the zipper lower panel arc-shaped bent line h14.

  When the zipper lower panel arc-shaped broken line h14 and the side panel arc-shaped folded line h22 are provided in the same shape symmetrically with respect to the broken line h, the corners of the side panel 14 and the folded piece (lower zipper panel) 22 are shown in FIG. In contrast, the inclination angle of the concave portion O, that is, the angle between the surface of the concave portion O and the knob portion T of the zipper J is formed at about 45 degrees, whereas in the carton A with a zipper of the present invention, FIG. As shown in b, the angle α between the surface of the recess O and the knob portion T of the zipper J is larger than 45 degrees, and it is easy to put a finger into the gap under the knob portion T of the zipper J and to easily pick the knob portion. There is an effect of becoming. Further, in the side panel 14, the angle β of the corner portion of the concave portion O is larger than 135 degrees, and the bulge is reduced, so that problems such as deformation during distribution and hindering storage are reduced.

  In this embodiment, the width of the concave portion O with respect to the knob portion T of the zipper J is set so that the width of the concave portion O is larger than the width of the knob portion T. It is good also as width.

  Further, the shape of the concave portion O may be a gap between the ridge line where the end sides of the zipper J overlap and the knob portion T of the zipper J, and the concave portion may be formed in the ridgeline so that the knob portion T can be easily picked. In this embodiment, the zipper lower panel arc-shaped broken line h14 and the side panel arc-shaped folded line h22 are provided in an arc shape and the concave portion O is formed in a convex lens shape, but other than the shape in which the concave portion O is formed in a convex lens shape, for example, FIG. 4-a shape with a polygonal line as shown in FIG. 4-b, 6-shape shape with a polygonal line as shown in FIG. 4-b, and zipper lower panel arc-shaped line as shown in FIG. 4-c It can also be set as the shape which abbreviate | omitted the center part of h14 and the side panel arcuate broken line h22. In any shape, the maximum height from the broken line h of the broken line provided in the side panel 14 for providing the recess O is larger than the maximum height from the broken line h of the broken line provided in the zipper lower panel 22.

  FIG. 5 is a perspective view of another example of an embodiment of a zippered carton according to the present invention. In the carton B with a zipper according to the present invention, a zipper J- is provided on the upper portion of the front panel 1. And the front-end | tip part forms the picking part T by putting the cut lines t and t from the front-end | tip. Further, a concave portion O is formed on the ridge line of the carton where the ends of the knob portion T overlap to form a wide gap between the knob portion T and the carton.

  FIG. 6 is a development view of the blank of the carton B with the zipper of FIG. In the blank 10B, a front panel 11, a side panel 12, a rear panel 13, a side panel 14, and an adhesive margin piece (a zipper lower panel) 15 are continuously provided via broken lines a, b, c, and d. The top panel 16 is connected to the upper side of the front panel 2 via a broken line e, the bottom panel 17 is connected to the lower side of the front panel 2 via a bent line e, and the folded pieces 18 are connected to the upper and lower sides of the side panel 12. 19 is connected to the upper side of the rear panel 13 via a broken line g, and the bottom panel 21 is connected to the lower side of the rear panel 13 via a broken line g. Folding pieces 22 and 23 are connected to the upper and lower sides of the panel 14 via broken lines h and h.

  The carton B with zipper according to the present invention is provided with an opening zipper J composed of two L-shaped notches j and j at a predetermined pitch on the front panel 11 and the glue margin piece (lower zipper panel) 15. ing. In addition, perforations M and M are provided on both side panels 12 and 14 obliquely in succession to the notch j on the upper side of the zipper J. Further, the rear panel 13 is provided with a broken line i that is continuous with the perforations M, M. Therefore, by lifting the knob T, tearing the zipper J of the front panel 11, and tearing the perforations M, M of the side panels 12, 14, a lid that can be opened and closed with the broken line i as a hinge can be formed.

  Further, the broken line d has a side panel 14 and a paste margin (zipper lower panel) 15 in a portion that overlaps the end side of the knob portion T of the zipper J of the front panel 11 when it is assembled into a carton. Is formed in a shape that swells in an arc shape on the side panel 14 side and the glue margin (zipper lower panel) 15 side so that the concave portion O is formed when the wire is bent at a right angle along the broken line d. That is, the polygonal line d14 and the polygonal line d15 have a convex lens shape.

  Further, in the carton B with zipper of the present invention, the broken line d14 and the broken line d15 are not provided in the same shape symmetrically to the broken line h, but the broken line d14 is larger than the broken line d15, that is, the maximum from the broken line h of the arc of the broken line d14. The feature is that the height is larger than the maximum height from the broken line h of the arc of the broken line d15. By adopting such a shape, as in the carton A with zipper, at the corners of the side panel 14 and the glue margin piece (zipper lower panel) 15, the inclination angle of the recess O, that is, the surface of the recess O and the zipper J The angle with respect to the knob part T becomes an angle larger than 45 degrees, and the width for picking the knob part T of the zipper J is widened.

  Further, in the portion adjacent to both sides of the zipper J on the end side of the front panel 11, as shown in the partial enlarged view of FIG. 6, the broken line d15 of the glue margin piece (zipper lower panel) 15 for forming the recess O is formed. It is good also as a shape which provided the notch P according to the shape. By adopting this shape, the picking part T becomes easier to pick and the appearance is preferable.

  Also in this embodiment, the width of the recess O with respect to the knob portion T of the zipper J is set wider than the width of the knob portion T in this embodiment, but it can be easily picked with the tip of a finger. For example, the width may be the same or narrow.

  In addition, the shape of the concave portion O may be formed by forming the concave portion O so that the knob portion T of the zipper J can be easily picked on the ridge line where the end sides of the zipper J overlap. In addition to the convex lens shape shown in the present embodiment, the zipper As in the case of the attached carton A, various shapes can be used.

  As a specific example, it is a carton containing confectionery, foods, etc., and can be widely used in a carton with a zipper on the top panel or side panel so that it can be easily opened. It can be suitably used for cartons used by children.

It is a perspective view of one Example of the carton with a zipper by this invention. It is the expanded view which shows the blank of the carton with a zipper of FIG. 1, and the elements on larger scale of a recessed part. It is a schematic sectional drawing of the recessed part in the carton with a zipper by this invention. It is the elements on larger scale which show the other example of a recessed part in the carton with a zipper by this invention. FIG. 6 is a perspective view of another embodiment of a zippered carton according to the present invention. It is an expanded view which shows the blank of the carton with a zipper of FIG. It is a perspective view of the conventional carton with a zipper. It is the expanded view of the blank of the conventional carton with a zipper, and the elements on larger scale of a recessed part.

Explanation of symbols

A Carton with zipper of the present invention B Carton with zipper of the present invention X Carton with conventional zipper Y Carton with conventional zipper Z Carton with conventional zipper J Zipper M Perforation T Knob O Recess 10 A Blank (with zipper of the present invention In carton A)
10B blank (in the carton B with zipper of the present invention)
10Z blank (conventional carton Z with zipper)
DESCRIPTION OF SYMBOLS 11 Front panel 12 Side panel 13 Rear panel 14 Side panel 15 Adhesive piece 16 Top panel 17 Bottom panel 18 Folding piece 19 Folding piece 20 Ceiling panel 21 Bottom bottom panel 22 Folding piece 23 Folding piece ai Folding line h14 Zipper lower panel Arc-shaped folding line h22 Side panel arc-shaped broken line t14 Maximum height of zipper lower panel arc-shaped broken line from broken line h t22 Maximum height of panel arc-shaped broken line from broken line h j Notch t Broken line

Claims (1)

A zipper is provided by two cut lines from the edge of one panel of a paperboard carton, and a predetermined region of the carton can be opened by grasping a knob which is the starting end of the zipper and tearing the zipper A carton with a zipper formed by providing a recess in a part or all of the fold line of the carton that overlaps the edge of the knob, and forming a gap between the knob and the carton,
The concave portion is formed by folding a zipper lower panel arc-shaped fold line having an arc shape bulging from the fold line to the zipper lower panel side, and a side panel arc-shaped fold line having a shape bulging from the fold line to the side panel side. A carton with a zipper, wherein a maximum height of the side panel arc-shaped broken line from the broken line is larger than a maximum height of the zipper lower panel arc-shaped bent line from the broken line.

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