JP2018002212A - Packing box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packing box easily openable and also resealable, without impairing sealability.SOLUTION: In a packing box for sealing by inserting an insertion piece 6 linked to the tip of a lid plate 5 into the inside of a front face plate 1, by overlapping the lid plate 5 extended from a rear face plate 3 with a lid receiving piece 7 extended from a side surface plate 2 by linking the front face plate 1, a pair of side surface plates 2 and the rear face plate 3 in the circumferential direction, a front fold line 11 of extending in the width direction is formed on the front face plate 1, and a ridge-folding line 12 is respectively formed in the oblique direction over the upper end of the front face plate 1 and the upper end of the side surface plate 2 from a ridge part intersection P of crossing the front fold line 11 with a ridgeline of the front face plate 1 and the side surface plate 2, and a bottom-folding line 14 is formed over the upper end from the ridge part intersection P in the middle of a folding-in part 13 sandwiched by two ridge-folding lines 12, and a notch part 17 is formed on base part both sides of the insertion piece 6. When pushing in the folding-in part 13 to the inside, the folding-in part 13 engages with the notch part 17 of the insertion piece 6, and a sealing state is maintained.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a plug-and-wrap type packaging box called a tack end.

  In general, a packaging box as shown in FIG. 5 is used as a packaging box for storing food, medicine, etc. (see paragraphs [0002]-[0003] and FIG. 5 of Patent Document 1 below).

  In this packaging box, a front plate 51, a pair of side plates 52 and a rear plate 53 are connected in the circumferential direction, a cover plate 54 extends from the upper end of the rear plate 53, and a cover receiving piece 55 extends from the upper end of the side plate 52. The lid plate 54 is folded over the lid receiving piece 55, and the insertion piece 56 connected to the tip of the lid plate 54 is inserted between the front plate 51 and the lid receiving piece 55 and sealed.

  In this packaging box, cuts 57 are made from both ends at the boundary between the cover plate 54 and the insertion piece 56, and both end bases facing the cuts 57 of the insertion piece 56 are engaged with the front edge of the cover receiving piece 55. Thus, the cover plate 54 is locked. This locking mechanism is called pi-lock.

  When opening a packaging box sealed with such a pylock, a finger is inserted between the front end of the cover plate 54 and the front plate 51, and the cover plate 54 is bent. The engagement between the bases at both ends and the front edge of the lid receiving piece 55 is released.

  Further, in Patent Documents 2 and 3 below, in order to make the sealed state more reliable and prevent mischief or the like with respect to the contents, it is engaged so that the insertion piece does not come out, or glued, and sealed. It is described that a cut line such as a perforation is put in the case, and when opening, the cut line is cut to open the cover plate.

JP 2002-104378 A JP 2014-5046 A Japanese Patent No. 5331595

  However, as described in Patent Document 1, in the packaging box sealed by pylock, the engagement between the both end bases of the insertion piece 56 and the front edge portion of the lid receiving piece 55 can be released upon opening. Difficult to open.

  In such a case, if the cover plate 54 or the insertion piece 56 is bent greatly or the cover plate 54 is torn from the notch 57 and the cover plate 54 or the insertion piece 56 is bent forcibly, the necessary amount of content is taken out. There is a risk that it cannot be resealed later.

  In addition, as described in Patent Documents 2 and 3, the packaging box that is destroyed at the time of opening is designed on the premise that all the contents are taken out at once due to its nature, and must be resealed from the beginning. I can't.

  Therefore, an object of the present invention is to provide a packaging box that can be easily opened and resealed without impairing sealing performance.

In order to solve the above-mentioned problems, the present invention is such that a front plate, a pair of side plates and a rear plate are connected in the circumferential direction, and a cover plate extends from the upper end of the rear plate, and a cover receiving piece extends from the upper end of the side plate. In the packaging box that folds the lid plate on the lid receiving piece, and inserts and inserts the insertion piece connected to the tip of the lid plate inside the front plate,
A front fold line extending in the width direction is put on the front plate, and a mountain fold line extending diagonally is put from the ridge intersection where the ridge line of the front plate and the side plate intersects the front fold line to the upper end of the front plate and the side plate. At the same time, a valley fold line is inserted from the ridge intersection to the upper end in the middle of the fold part sandwiched between two mountain fold lines, and notches are formed on both sides of the base of the insertion piece,
When the folding part is pushed inward, the folding part is folded along the mountain fold line and the valley fold line, and the front panel is folded along the front folding line, and the upper part of the front panel is inclined upwards from the front folding line. The folded portion is engaged with the cutout portion of the insertion piece, and the sealed state is maintained.

  The packaging box according to the present invention is locked so that the cover plate does not open and the sealed state is maintained only by pushing the folding part inwardly so that the folding part engages with the notch part of the insertion piece. And in a sealed state, since the upper part inclines from the front fold line of a front board, it becomes an external appearance characteristic and cosmetics and appeal property improve.

  Also, if the upper end of the inclined part of the front plate is pulled forward, the engagement between the folding part and the cutout part of the insertion piece is released, the lid plate is lifted and can be easily opened with a slight force. Packaging that conforms to universal design requirements that are easy to handle, regardless of whether there is a disability or not.

  In addition, when opening, there is no breakage that breaks the score line, so after removing the required amount of content, it can be resealed in the same shape as before opening, Sealing can be repeated.

The figure which shows the blank of the insertion sealing type packaging box which concerns on embodiment of this invention The perspective view which shows the assembly sealing process same as the above The perspective view which shows the sealing state same as the above Perspective view showing the opening process The perspective view which shows the packaging box provided with the pylock of patent document 1

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  As shown in FIG. 1, in the paperboard blank forming the packaging box, side plates 2 are continuously provided on both sides of the front plate 1, and a rear plate 3 and a passage piece 4 are sequentially provided on one side plate 2. Has been. A lid plate 5 and an insertion piece 6 are sequentially provided on the upper end of the rear plate 3, and a lid receiving piece 7 is provided on the upper ends of the pair of side plates 2. A bottom plate 8 and an insertion piece 9 are sequentially connected to the lower end of the rear plate 3, and a bottom receiving piece 10 is connected to the lower ends of the pair of side plates 2.

  The front plate 1 is provided with a front fold line 11 extending in the width direction across the ridge lines with the side plates 2 on both sides with a space from the upper end downward.

  Further, a mountain fold line 12 is put in an oblique direction from the ridge portion intersection P where the front fold line 11 intersects the ridge line of the front plate 1 and the side plate 2 to the upper end of the front plate 1 and the upper end of the side plate 2.

  In addition, a valley fold line 14 is provided from the ridge portion intersection P to the upper end in the middle of the fold portion 13 sandwiched between the two mountain fold lines 12. The valley fold line 14 is cut at a portion near the ridge portion intersection P so as to be easily bent in the valley folding direction in which the front side of the paperboard is recessed.

  Further, a bent piece 15 is connected to the end edge of the lid receiving piece 7 near the front plate 1, and the bent piece 15 and the upper end of the folding portion 13 are separated from each other. At the center of the upper end of the front plate 1, a knob 16 swelled in a semicircular shape is provided.

  Further, on both sides of the base portion of the insertion piece 6, a notch portion 17 that is cut into a triangular shape is formed toward the crease line at the boundary with the cover plate 5.

  Here, the extension length L from the rear plate 3 of the cover plate 5 is the side upper side length S which is a dimension from the rear end to the end on the bent portion 13 side when the upper side of the side plate 2 is assembled. Are equal.

  In the manufacturing process, the blank as described above is folded along the boundary between the one side plate 2 and the rear plate 3 and the boundary between the front plate 1 and the other side plate 2, and the passage piece 4 is placed on the other side. Adhering to the face plate 2, the front face plate 1, the pair of side face plates 2 and the rear face plate 3 are connected in the circumferential direction and folded, and stored in this folded state.

  When using the packaging box manufactured in this way, as shown in FIG. 2, the front plate 1, the pair of side plates 2, and the rear plate 3 are three-dimensionally formed into a rectangular tube shape, and the bottoms from The receiving piece 10 is bent inward, the bottom plate 8 is folded on the bottom receiving piece 10, and the insertion piece 9 is inserted between the lower part of the front plate 1 and the bottom receiving piece 10. Thereby, the insertion piece 9 and the bottom receiving piece 10 are engaged by a general pylock, and the bottom plate 8 is held in a closed state.

  Then, the contents are stored in the box, the lid receiving piece 7 is folded inward from the pair of side plates 2, and the bent piece 15 is folded downward from the lid receiving piece 7, and the lid plate is removed from the rear plate 3. 5 is bent forward, and the insertion piece 6 is bent downward from the cover plate 5.

  Thereafter, as shown in FIG. 3, the cover plate 5 is overlapped on the upper surface of the cover receiving piece 7, the insertion piece 6 is inserted between the bent piece 15 and the front plate 1, and the pair of folding portions 13 are pushed inward. .

  As the fold 13 is pushed, the fold 13 is bent and folded along the mountain fold line 12 and the valley fold line 14, and the front plate 1 is bent along the front fold line 11, and is a portion above the front fold line 11 of the front plate 1. Is tilted rearward and the folding part 13 is engaged with the notch part 17 of the insertion piece 6 so that the cover plate 5 is held closed.

  As described above, this packaging box is locked so that the cover plate 5 is not opened by the engagement of the folding portion 13 with the cutout portion 17 of the insertion piece 6 simply by pushing the folding portion 13 inward. State is maintained. And in the sealed state, since the upper part of the front folding line 11 of the front plate 1 is inclined, the appearance is characteristic, and the cosmetics and appeal are improved.

  When opening the packaging box, as shown in FIG. 4, when the knob 16 extending from the upper end of the inclined portion of the front plate 1 is pulled forward, the folding portion 13 and the notch portion 17 of the insertion piece 6 are drawn. Is released, and the lid plate 5 is lifted and can be easily opened with a slight force, enabling packaging suitable for a universal design that is easy to handle regardless of age or disability.

  In addition, when opening, it can be re-sealed into the same shape as before opening after taking out the required amount without destroying the cut line and opening and resealing as many times as necessary. Therefore, the packaging box is suitable for packaging foods that are gradually consumed without having to eat all at once, or medicines to be taken in multiple times.

  In the above embodiment, the opening plate 16 is provided at the upper end of the front plate 1. However, instead of this, a recess is provided in the center of the upper end of the front plate 1. You may make it open by putting a finger | toe in a place and pulling the inclined part of the front plate 1 to the near side.

  In addition, in order to improve the sealing performance in the sealed state, an example in which the bent piece 15 is connected to the front end of the lid receiving piece 7 is illustrated. However, in a packaging box for packaging contents that do not require a high degree of sealing performance, Even if the curved piece 15 is omitted, the locking function of the cover plate 5 is not impaired.

DESCRIPTION OF SYMBOLS 1 Front plate 2 Side plate 3 Rear plate 4 Passage piece 5 Lid plate 6 Plug piece 7 Cover piece 8 Bottom plate 9 Plug piece 10 Bottom piece 11 Front folding line 12 Mountain folding line 13 Folding part 14 Valley folding line 15 Folding piece 16 Picking piece 17 Notch P Ridge intersection

Claims (1)

The front plate (1), the pair of side plates (2) and the rear plate (3) are connected in the circumferential direction, and the lid plate (5) from the upper end of the rear plate (3) is connected to the upper end of the side plate (2). The lid receiving piece (7) is extended, the lid plate (5) is folded over the lid receiving piece (7), and the insertion piece (6) connected to the tip of the lid plate (5) is connected to the front plate ( In the packaging box that is inserted and sealed inside 1),
A front fold line (11) extending in the width direction is put on the front plate (1), and the ridge line intersection (P) where the ridge line of the front plate (1) and the side plate (2) intersects the front fold line (11) is A mountain fold line (12) extending in an oblique direction is inserted into the upper end of 1) and the side plate (2), and a ridge is formed in the middle of the folding part (13) sandwiched between the two mountain fold lines (12). A valley fold line (14) is entered from the partial intersection (P) to the upper end, and a notch (17) is formed on both sides of the base of the insertion piece (6).
When the folding part (13) is pushed inward, the folding part (13) is folded along the mountain fold line (12) and the valley fold line (14), and the front plate (1) is folded along the front folding line (11). The upper part of the front plate (1) above the front fold line (11) is inclined upward and the folding part (13) engages with the notch part (17) of the insertion piece (6) to seal it. A packaging box characterized in that the state is maintained.

Images