JP2011225230A - Cut line shape of paper box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cut line shape of a paper box which does not cause a pain even when a hand is brought into contact with a cut part when connections between cut lines of an opening starting panel provided with a tab piece are cut to open along the cut line shape and a content is taken out by inserting the hand into the paper box.SOLUTION: The cut line shape of the paper box is provided on the paper box made of a cardboard on which a pair of opening lines for opening largely are provided in parallel. The cut line shape of the paper box each connected with a pair of opening lines from both ends of a tab piece, is characterized in that a number of bending line-like cutting lines in which an oblique short first cut is connected with the tip of the upstream side in the cutting direction of the linear cut on the downstream side in the pulling direction, and an oblique short second cut is connected with the tip of the downstream side in the cutting direction of the linear cut on the upstream side in the pulling direction, are arranged in a line through connections.

Description

  The present invention relates to a cut line shape of a paper box. In particular, the present invention relates to a cut line shape of a paper box that accommodates a wide variety of confectionery items, decorative items, daily necessities, etc., and opens a large opening by cutting a top plate or the like.

  Conventionally, paper boxes 40 of various shapes made of paperboard, which widely accommodates confectionery, decorations, daily necessities, etc., for example, as shown in FIGS. , 50, etc. are generally widely used.

  FIG. 10A is a perspective view of an example of a paperboard box made by cutting the opening face plate 1 such as a top face plate and opening it greatly. FIG. 10B is a perspective view of a state in which the paperboard paper box of FIG. 10A is opened.

  The paper box 40 is provided with two opening lines 2 on the top plate to form the opening plate 1 and connected to the opening plate 1, and an opening start panel 4 is provided. A piece 3 is provided. A plurality of cut lines are connected to the opening start panel 4 through a line d so that the cut line shape 5 is continuous with the opening line 2 by two from the cuts at both ends forming the knob piece 3. Is provided.

  Then, the knob piece 3 is turned up, the opening start panel 4 is cut with the cut line shape 5, and further turned back, and the opening face plate 1 is cut with the opening line 2, and FIG. As shown in B), the opening can be made large.

  FIG. 11A is a perspective view of another example of a paperboard box made by cutting the opening face plate 1 such as a top face board and opening it largely. FIG. 11B is a perspective view of a state in which the paperboard paper box of FIG. 11A is opened.

  In the paper box 50, two opening lines 2 are provided at both ends of the top plate to form an opening plate 1, and an opening start panel 4 is provided connected to the opening plate 1, and the center of the opening start panel 4 in the horizontal direction is provided. A knob piece 3 is provided by a cut line or the like. Then, two cut line shapes 5 are arranged between the opening face plate 1 and the opening start panel 4 in a row through a plurality of cut lines connected to each other from both sides of the upper end of the knob piece 3 through the d. It is provided so as to be continuous with the line 2.

  Then, the knob piece 3 is turned up so that the cut line shape 5 cuts between the opening face plate 1 and the opening start panel 4, and further turns backward to cut the opening line 2 to open the opening face plate. 1 can be lifted, and a large opening can be obtained as shown in FIG.

  Further, conventionally, the cut lines provided in the paper boxes of various shapes made of ordinary paperboard are linear cuts a having a length of about 3 to 15 mm as shown in FIG. In general, a cut line shape of a paper box, commonly referred to as a perforation line, arranged in a line via a d-link of about 5 to 4 mm is widely used.

  Also, as shown in FIG. 12B, the cut line shape of the paper box in which the straight cut lines y with the upstream side in the cutting direction divided into two branches are arranged in a line through a number of linkages d is generally Widely used.

Although the cut line shape of the paper box as described above can be cut cleanly by pulling in the cutting direction, the opening line 2 provided on the opening face plate 1 such as the top face plate as shown in FIGS. In the case of a paper box that is largely opened by cutting, the handle piece 3 is held up and turned up to cut the cut line shape 5, but the opening start panel 4 or the opening face plate 1 and the opening start panel 4. In the meantime, the cut line shape 5 provided is cut by pulling in the diagonal direction or the horizontal direction of the line in which the cut lines are arranged, so that it is cut in the pulled direction and the cut lines are connected. I can't.

As the cut line shape of the paper box 60 suitable for this application, the cut line shape 5 of the paper box as shown in FIG. 13 is provided on the opening start panel 4 provided with the knob piece 3 or between the opening face plate 1 and the opening start panel 4. Has been proposed. That is, as shown in the enlarged view of the encircled portion in FIG. 13 shown in FIG. 14, the diagonal cut b that is short toward the downstream side in the pulling direction at the front end on the upstream side in the cutting direction of the linear cut a, The parallel cuts c of the paper boxes were connected in order, and there was a cut line shape 5 of the paper boxes arranged in a line through the connection d. (Patent Document 1)
Known documents are shown below.

JP 2004-224368 A

  In the above-mentioned cut line shape of the paper box, when the joint d is cut and opened along the cut line, the fractured shape of the end of the remaining opening start panel 4 is upward as shown in FIG. Since the protrusions e are arranged side by side, when the contents are taken out, the protrusions may hit the hand inserted into the paper box and hurt.

  The present invention cuts the joint d between the cut lines of the opening start panel 4 provided with the knob pieces 3 to open along the cut line shape 5, and cuts the contents when the hand is inserted into the paper box and the contents are taken out. It is an object to provide a cut line shape of a paper box that does not hurt even if a hand hits the part.

The present invention has been made in view of the problems, and the invention according to claim 1 includes an opening face plate provided in parallel with a pair of opening lines for opening a large opening,
A paperboard having an opening start panel connected to the opening face plate on one end side of the opening line and provided with a knob piece having a width narrower than the parallel distance of the pair of opening lines on the edge opposite to the opening face plate In a paper box made of
The cut line shape of the paper box that is continuous with the pair of opening lines from both ends of the knob piece,
Connect the first cut that is oblique and short to the downstream end in the direction of pulling, to the tip on the upstream side in the cutting direction of the linear cut,
A large number of bent line-like cut lines, which are connected to the distal end downstream in the cutting direction of the linear cut line, are connected to the upstream side in the pulling direction in an oblique and short second cut line, and arranged in a line through the connection. The cut line shape of a paper box characterized by the following.

The cut line shape of the paper box of the present invention has the above-described configuration, and cuts the joint of the opening start panel provided with the knob pieces to open along the cut line, and inserts a hand into the paper box. Since the second cut extends to the downstream side in the direction of pulling the linear cut of the next cut line in the cutting direction, the convex protrusion becomes smaller above the cut portion after cutting, It doesn't hurt even if I hit my hand.

  The invention according to claim 2 of the present invention is characterized in that the linear cut and the first cut and / or the linear cut and the second cut are connected by a curve. It is a cut line shape of the paper box.

Since the present invention further connects the linear cut and the first cut and / or the linear cut and the second cut with a curve,
The angle of the convex protrusion of the cut part after cutting becomes a curve, and when the hand hits, the pain is further reduced.

The invention of claim 3 of the present invention comprises an opening face plate provided in parallel with a pair of opening lines for opening a large opening,
A paperboard having an opening start panel connected to the opening face plate on one end side of the opening line and provided with a knob piece having a width narrower than the parallel distance of the pair of opening lines on the edge opposite to the opening face plate In a paper box made of
The cut line shape of the paper box that is continuous with the pair of opening lines from both ends of the knob piece,
Connecting the first cut extending in the downstream direction in the pulling direction, the first cut extending in the downstream direction in the pulling direction, to the distal end in the cutting direction upstream of the linear cut of the curved shape protruding in the downstream in the pulling direction,
The tip of the linear cut in the cutting direction downstream is connected to the second cut extending in the pulling direction downstream in the curved shape convex to the upstream in the pulling direction,
It is a cut line shape of a paper box characterized in that a number of curved cut lines are arranged in a line in parallel with the cutting direction through the second cut line and the first cut line.

In the invention of claim 3, when cutting the joint between the cut lines of the opening start panel provided with the knob piece and opening along the cut line shape, when inserting the hand into the paper box and taking out the contents,
Since the second cut g is convex in the cutting direction at the upper edge of the lower part of the cut line shape, the protrusion d protruding upward is formed by cutting the joint d by this part. , Hard to hit. Therefore, when opening and inserting a hand into a paper box and taking out the contents, even if the hand hits the cut portion, the hand does not hurt.

  This effect is particularly noticeable by extending the tip of the second cut until it overlaps the end of the linear cut of the next cut line in the cutting direction in the pulling direction.

  As described above, the cut line shape of the paper box of the present invention cuts the joint of the opening start panel provided with the knob pieces and opens along the cut line, and when inserting the hand into the paper box and taking out the contents, Even if your hand hits the cut part, you will not feel pain.

It is explanatory drawing which showed the front of the paper box which provided an example of the cut line shape of the paper box of this invention. It is an enlarged view of the encircled part of FIG. It is explanatory drawing which showed the front when opening the paper box which provided an example of the cut line shape of the paper box of this invention. It is explanatory drawing which showed the front of the paper box which provided the other example of the cut line shape of the paper box of this invention. FIG. 5 is an enlarged view of a circled portion in FIG. 4. It is explanatory drawing which showed the front when opening the paper box which provided the other example of the cut line shape of the paper box of this invention. It is explanatory drawing which showed the front of the paper box which provided the further another example of the cut line shape of the paper box of this invention. FIG. 8 is an enlarged view of a circled portion in FIG. 7. It is explanatory drawing which showed the front when opening the paper box which provided the other example of the cut line shape of the paper box of this invention. It is a perspective view of an example of a paperboard box made by cutting an opening face plate 1 such as a top face plate and opening large. It is a perspective view of the other example of the paper box made from a paperboard which cut | disconnects the opening surface boards 1, such as a top surface board, and opens largely. (A) It is explanatory drawing of an example of the cut line shape conventionally used. (B) It is explanatory drawing of the other example of the cut line shape conventionally used. It is explanatory drawing which showed the front of the paper box which provided an example of the cut line shape of the conventional paper box. It is an enlarged view of the circled part of FIG. It is explanatory drawing which showed the front when opening the paper box which provided an example of the cut line shape of the conventional paper box.

Hereinafter, modes for carrying out the present invention will be described.
FIG. 1 is an explanatory view showing the front of a paper box provided with an example of the cut line shape of the paper box of the present invention. FIG. 2 is an enlarged view of the encircled portion of FIG.
FIG. 3 is an explanatory view showing the front when the paper box provided with an example of the cut line shape of the paper box of the present invention is opened.

  The cut line shape 5 of the paper box 10 of this example is given to the opening start panel 4 provided with the knob piece 3 as shown in the front view of the paper box 10 of FIG. An inner side plate 6 is provided inside the opening start panel 4.

  When holding the knob piece 3 upward, it is opened along the cut line shape 5 to the top plate (opening plate 1) provided with the opening line 2 and connected to the opening line 2, As shown in FIG. 3, the opening line 2 is cut and the opening face plate 1 of the paper box is greatly opened.

  FIG. 2 is an enlarged view of the encircled portion of FIG. As shown in FIG. 2, the cut line shape 5 of the paper box of this example connects the first cut f which is slant and short on the downstream side in the pulling direction to the leading end on the upstream side in the cutting direction of the linear cut a. In a shape in which a large number of bent line-like cut lines are connected to the leading end on the downstream side in the cutting direction of the cut line by connecting the slant and short second cut line g on the upstream side in the pulling direction in a line through the connection d. is there.

  When the grip piece 3 is held up, the tip of the second cut g of the cut line is located upstream from the tip of the first cut f of the next cut line, so that the second cut g The joint d is cracked and cut toward the first cut f of the next cut line.

  When opened as shown in FIG. 3, the opening start panel 4 is cut along the cut line shape 5 in which the cut lines are arranged through the joints, and the portion with the knob pieces 3 and the both side portions thereof Divided into three.

  At this time, the cut both side portions of the opening start panel 4 remain on the inner surface plate 6 of the container body (tray-like portion), but the cut edge is the second cut g and the next cut in the cutting direction. Since it extends to the downstream side in the direction of pulling the linear cut of the line, the upward protruding protrusion that can be made in the cut part after cutting becomes smaller, so it is opened and the contents are opened by inserting the hand into the paper box Even if the hand hits the cut part when taking out the hand, the hand does not become painful as in the prior art.

Next, another example of the embodiment for carrying out the present invention will be described.
FIG. 4 is an explanatory view showing the front of a paper box provided with another example of the cut line shape of the paper box of the present invention. FIG. 5 is an enlarged view of the encircled portion of FIG.
FIG. 6 is an explanatory view showing the front when a paper box provided with another example of the cut line shape of the paper box of the present invention is opened.

  The cut line shape 5 of the 20 paper box of this example is applied to the opening start panel 4 provided with the knob piece 3 as shown in the front view of the paper box 20 of FIG. An inner side plate 6 is provided inside the opening start panel 4.

  When holding the knob piece 3 upward, it is opened along the cut line shape 5 to the top plate (opening plate 1) provided with the opening line 2 and connected to the opening line 2, As shown in FIG. 6, the opening line 2 is cut and the opening face plate 1 of the paper box is greatly opened.

  FIG. 5 is an enlarged view of the encircled portion of FIG. As shown in FIG. 5, the cut line shape 5 of the paper box of this example is connected to the leading end on the upstream side in the cutting direction of the linear cut line a, and the first cut f that is oblique and short on the downstream side in the pulling direction is connected by a curve. A large number of bent line-like cut lines in which a slanting short second cut g is connected to the front end of the linear cut line a in the cutting direction downstream side by a curve on the upstream side in the pulling direction are connected in a row through the connection d. It is the shape arranged in order.

  When the grip piece 3 is held up, the tip of the second cut g of the cut line is located upstream from the tip of the first cut f of the next cut line, so that the second cut g The joint d is cracked and cut toward the first cut f of the next cut line.

  When opened as shown in FIG. 6, the opening start panel 4 is cut along the cut line shape 5 in which the cut lines are arranged through the joints, and the portion with the knob piece 3 and the both side portions thereof Divided into three.

  At this time, the cut both side portions of the opening start panel 4 remain on the inner surface plate 6 of the container body (tray-like portion), but the cut edge is the second cut g and the next cut in the cutting direction. Since it extends to the downstream side in the direction of pulling the linear cut of the line, the upward protruding protrusion that can be made in the cut part after cutting becomes smaller, so it is opened and the contents are opened by inserting the hand into the paper box Even if the hand hits the cut part when taking out the hand, the hand does not become painful as in the prior art.

Below, the further another example of the form for implementing this invention is demonstrated.
FIG. 7 is an explanatory view showing the front of a paper box provided with another example of the cut line shape of the paper box of the present invention. FIG. 8 is an enlarged view of the encircled portion of FIG.
FIG. 9 is an explanatory view showing the front when a paper box provided with another example of the cut line shape of the paper box of the present invention is opened.

  The cut line shape 5 of the paper box 30 of this example is given to the opening start panel 4 provided with the knob piece 3 as shown in the front view of the paper box 30 of FIG. An inner side plate 6 is provided inside the opening start panel 4.

  When holding the knob piece 3 upward, it is opened along the cut line shape 5 to the top plate (opening plate 1) provided with the opening line 2 and connected to the opening line 2, As shown in FIG. 9, the opening line 2 is cut, and the opening face plate 1 of the paper box is greatly opened.

  FIG. 8 is an enlarged view of the encircled portion of FIG. As shown in FIG. 8, the cut line shape 5 of the paper box of this example is such that the linear cut line a has a convex curved shape downstream in the pulling direction, and the leading end of the linear cut line a upstream in the cutting direction. In addition, a convex curved first cut f is connected to the upstream side in the pulling direction, and extends in the downstream direction in the pulling direction.

  A convexly curved second cut g is connected to the leading end of the linear cut a on the downstream side in the cutting direction, and extends downstream in the pulling direction. A large number of curved cut lines made up of the linear cuts a, the first cuts f, and the second cuts g are arranged in a line through the connection d.

  When the grip piece 3 is held up, the tip of the second cut g of the cut line is located upstream from the tip of the first cut f of the next cut line, so that the second cut g The joint d is cracked and cut toward the first cut f of the next cut line.

  As shown in FIG. 9, when opened, the opening start panel 4 is cut along the cut line shape 5 in which the cut lines are arranged via the connection d, and the portions with the knob pieces 3 and both side portions thereof And divided into three.

  At this time, the cut both side portions of the opening start panel 4 remain on the inner surface plate 6 of the container body (tray-like portion), but the cut edge has a second cut g protruding in the cutting direction. Therefore, this portion makes it difficult for the protrusions protruding upward, which are formed by cutting the joint d, to hit the hand. For this reason, even if the hand hits the cut portion when the contents are taken out by opening and inserting the hand into the paper box, the hand does not hurt as in the prior art.

  Although the present invention has been described with examples, the present invention is not limited to these examples. In the above example, the case where the opening face plate 1 is on the top surface as shown in FIG. 10 has been described, but it may be provided on the side face.

  Moreover, although the opening line 2 was provided inside the both ends of the opening surface board 1, the paper box which provided the opening line 2 in the both ends of the opening surface board 1 like FIG. Then, the knob piece 3 is extended to the upper end of the opening start panel 4 to reach the opening face plate 1, and from there to the left and right directions, respectively, both ends of the opening face plate 1, that is, between the opening face plate 1 and the opening start panel 4. The cut line shape 5 of the paper box of the present invention may be provided.

DESCRIPTION OF SYMBOLS 1 ... Opening surface board 2 ... Opening line 3 ... Knob piece 4 ... Opening start panel 5 ... Cut line shape 6 ... Inner side surface board 10, 20, 30, 40, 50, 60. .. paper boxes a, b, c,... Cut f... First cut g... Second cut y... Linear cut line d with upstream side divided into two branches.・ Protrusions

Claims (3)

An opening face plate provided in parallel with a pair of opening lines for large opening;
A paperboard having an opening start panel connected to the opening face plate on one end side of the opening line and provided with a knob piece having a width narrower than the parallel distance of the pair of opening lines on the edge opposite to the opening face plate In a paper box made of
The cut line shape of the paper box that is continuous with the pair of opening lines from both ends of the knob piece,
Connect the first cut that is oblique and short to the downstream end in the direction of pulling, to the tip on the upstream side in the cutting direction of the linear cut,
A large number of bent line-like cut lines, which are connected to the distal end downstream in the cutting direction of the linear cut line, are connected to the upstream side in the pulling direction in an oblique and short second cut line, and arranged in a line through the connection. The cut line shape of a paper box characterized by   2. The cut line shape of the paper box according to claim 1, wherein the linear cut and the first cut and / or the linear cut and the second cut are connected by a curve. An opening face plate provided in parallel with a pair of opening lines for large opening;
A paperboard having an opening start panel connected to the opening face plate on one end side of the opening line and provided with a knob piece having a width narrower than the parallel distance of the pair of opening lines on the edge opposite to the opening face plate In a paper box made of
The cut line shape of the paper box that is continuous with the pair of opening lines from both ends of the knob piece,
Connecting the first cut extending in the downstream direction in the pulling direction, the first cut extending in the downstream direction in the pulling direction, to the distal end in the cutting direction upstream of the linear cut of the curved shape protruding in the downstream in the pulling direction,
The tip of the linear cut in the cutting direction downstream is connected to the second cut extending in the pulling direction downstream in the curved shape convex to the upstream in the pulling direction,
A cut line shape of a paper box, in which a large number of curved cut lines are arranged in a line in parallel with the cutting direction in the second cut line and the first cut line through a joint.

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