JPH0664643A - Carton with cutting blade - Google Patents

Abstract

PURPOSE:To prevent, when a cutting blade is fixed to a carton, the cutting blade from being displaced relative to the carton before the adhesive hardens and make the carton and the blade join extremely firmly together after the hardening. CONSTITUTION:A cutting blade B is provided to a strip 3 in which incisions 5, 5 in a jagged line are formed. These incisions include incisions 5a, 5a having a jagged plane for fastening. The cutting blade B is attached by adhesion to a carton A by using an adhesive. A carton in which incisions in jagged lines are formed is also applicable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carton with a cutting blade, which can very easily prevent the cutting blade from shifting until the adhesive is hardened when the cutting blade is fixed to the carton.

[0002]

2. Description of the Related Art Conventionally, in a carton for containing a roll-shaped product such as a film sheet or an aluminum foil, a thin metal plate is used as a cutting blade for cutting the roll-shaped product into a desired length.

[0003]

When the cutting blade is fixed to the carton, the cutting blade is displaced from the mounting position of the carton, or the cutting blade is displaced by some external force before the adhesive is hardened. This is often the cause of defective products.

[0004]

Therefore, as a result of intensive studies, the inventor of the present invention has found that a cutting blade body in which bent linear cuts are formed at predetermined intervals in a band portion is obtained as a result of repeated research. By making a carton with a cutting blade by adhering to the carton with an adhesive and further forming a locking bent surface together with a bent linear cut, or forming the bent linear cut also on the carton side The cutting blade can be fixed to the carton with an extremely simple structure while preventing the shift, and the above-mentioned problems are solved and the object thereof is achieved.

[0005]

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

Reference numeral A is a carton, which is made of a material that can be incinerated such as paper and synthetic resin, and as shown in FIG. 1, has a roll-shaped material R such as a film sheet or aluminum foil inside. Are to be accommodated.

As a concrete shape of the carton A,
It is formed in a rectangular parallelepiped shape or a cube shape, and is composed of a container portion 1 and a lid body 2, and a cutting blade body B made of an incinerable material is fixed to an appropriate place of the container portion 1 and the lid body 2. As shown in FIG. 1, the cutting blade body B has a cutting blade portion 4 formed along the longitudinal direction of the band portion 3.

Bending line cuts 5, 5, ... Are formed at predetermined intervals along the longitudinal direction of the band 3 of the cutting blade B, and the bending line cuts 5 are formed in the band 3 by bending lines. The cut line portion of the bent linear cut 5 can be slightly bent on one surface of the band portion 3.

There are various examples of the shape of the bent linear notch 5, and the first example is formed in an arc shape, and has a substantially semicircular shape as shown in FIGS. 2 and 3. Are formed so as to be symmetrically opposed to each other.

As a second embodiment of the bent linear notch 5, as shown in FIG. 8 (a), the notch is cut into a "V" shape, and Similarly, as the third embodiment of the bent linear cut 5, there is also an embodiment formed in a "" shape as shown in FIG. 8B. To do.

Further, as shown in FIG. 9 (a), the curved linear cut 5 formed in an arc shape does not have a bilaterally symmetrical shape, but a curved linear cut consisting of only one cut. There is also an embodiment in which 5 are formed at a predetermined interval, and similarly, as shown in FIG. 9 (b), a bent linear notch 5 which is a notch-shaped notch is formed. There are also examples in which they are formed at predetermined intervals.

As shown in FIG. 2 to FIG. 4, the engaging bent surface 5a is formed by the cut portion of the cut portion of the bent linear cuts 5, 5, ... And the engaging bent surface 5a is the band portion 3. It is formed by bending on one side surface.

More specifically, the locking bent surface 5a thereof
As shown in FIG. 4, it is bent so that it can be inserted into the adhesive 6 at the bonding position of the carton A of the band portion 3 so as to be close to the bonding surface of the cutting blade B to the carton A.

The cutting blade B is formed from a band plate in the process of manufacturing a carton with a cutting blade, and the bending linear cuts 5, 5 are formed in the band 3 before being bonded to the carton A.
5, ... are formed.

The cutting blade portion 4 of the cutting blade B has a carton A.
Of the carton A to which the cutting blade B is fixed, which is fixed near the bent corners of the side surfaces of the carton A. The vicinity of the bent corner of the side surface also includes the corner formed by the container 1 and the lid 2 when the lid 2 is closed, and the cutting blade B is
It can be fixed near the bent corners on all side surfaces of the carton A, and the bent corners mean that the film is pulled out from the roll-shaped material R to be accommodated as shown in FIG. It is the vicinity of the bent corner on the side surface that intersects the drawing direction of the sheet.

The cutting blade B is made of a combustible material such as paper or a synthetic resin. Specifically, in the case of paper, mainly paper or processed paper is used. Is
In the case of synthetic resin, a material such as plastic is often used, and the cutting blade B has a length equal to the longitudinal dimension of the carton A. In the embodiment being formed, the roll R
A sheet having strength enough to cut a sheet pulled out from the sheet into an appropriate length is used.

Further, as shown in FIG. 12, there is an example in which the cutting blade B is formed in a flat V-shape bent at a substantially central portion, and the cutting blade B of this example has a central portion. The parts are formed so as to protrude most outwardly of the carton A.

The fixation of the cutting blade B to the carton A is
Adhesive 6 is used, and specifically, adhesive 6 of a type such as hot-melt type (heat-melting type), organic solvent volatilization type, aqueous emulsion type, chemical reaction type, etc. is often used. As shown in FIG. 11, the adhesive 6 is applied between the vicinity of the bent corner of the side surface of the carton A and the joint surface of the cutting blade B in the same band shape as the cutting blade B, or The spots are applied to the carton A at positions corresponding to the locations where the bent linear cuts 5, 5, ... Of the body B are present.

An adhesive 6 applied to fix the cutting blade B to the carton A is used to manually or manufacture the cutting blade B in the vicinity of the bent corner portion of the side surface of the expanded carton A. It is fixed automatically by a machine.

When the cutting blade B is fixed to the carton A with the adhesive 6, as shown in FIGS. 3 to 5, the locking bending surface of the cutting blade B formed by the bending linear cuts 5, 5 ,. 5
The a, 5a, ... Sink into the inside of the surface of the adhesive 6.

As described above, the locking curved surface 5a of the cutting blade B is made to sneak into the adhesive 6 applied to the carton A, so that the locking curved surface 5a is glued as shown in FIG. When the cutting blade B is adhered to the carton A by being fixed by 6, the adhesive 6 is dried and fixed until
This is to prevent the position from shifting.

Further, specifically, even when the cutting blade B is placed on the adhesive 6 applied to the carton A so that the locking bent surface 5a of the cutting blade B can be slipped into it, As shown in FIG. 6 (a) in the width direction, even if an external force Fy that is displaced in the Y direction acts, the locking bending surface 5a that has sunk into the adhesive 6 causes the adhesive 6 against the external force Fy. The distributed reaction force Py from
It is intended to prevent the deviation of.

This is a bent bent surface 5 formed at the bent linear cuts 5, 5, ... Formed in the band portion 3 of the cutting blade B.
.. submerge in the adhesive 6, and the adhesive 6 penetrates into the insides of the curved linear cuts 5, 5 ,. As a result, as shown in FIG. It serves as resistance to the cutting blade B until it is dried and fixed.

Next, when an external force Fx that causes the cutting blade B to shift in the longitudinal direction thereof, that is, in the X direction as shown in FIG. 7, the bending bending of the linear cutting 5, 5 ,. The tip portions of the surfaces 5a, 5a, ... In the direction of displacement are subjected to resistance by the distributed reaction force Px from the adhesive 6 to prevent the cutting blade B from shifting.

Further, there is an embodiment in which the bent linear cuts 5, 5, ... Are also formed on the joint surface of the carton A with the cutting blade B, and as shown in FIG. The position of the curved linear cut 5 on the side of the carton A and the position of the linear cut 5 on the side of the carton A coincide with each other, or although not shown, the curved line cut 5 on the side of the cutting blade B and the curved line cut on the side of the carton A It may be configured so as to deviate from 5.

Further, a bent linear cut 5, on the carton A
5, and the locking curved surfaces 5a, 5a, ... May be formed, and the carton A and the cutting blade B can be more firmly fixed to each other via the adhesive 6.

On the carton A side, a plurality of half cuts 7, 7, ... May be formed on the joint surface with the cutting blade B. The half cuts 7 are as shown in FIG. In addition to the embodiment in which the carton A is made of a paper material or the like which is formed with a streak-like engraving that does not penetrate and is formed in a circular shape as shown, a square shape, L
It may be formed in various shapes such as a letter shape.

The cutting blade B having the curved linear cuts 5, 5, ... Is fixed to the cutting blade B via an adhesive 6.

The half cuts 7, 7, ...
As shown in FIG. 16, when the cutting blade B is adhered, the adhesive 6 also penetrates into the half cut 7, and the bent linear cuts 5, 5, formed on the cutting blade B side. …
Even when the adhesive 6 enters, the deviation when the cutting blade B is bonded to the carton A can be prevented, and the bonding can be made extremely strong after the adhesive 6 is cured.

[0030]

According to the first aspect of the invention, the cutting blade B having the bent linear cuts 5, 5, ... Formed in the band 3 at a predetermined interval is adhered to the carton A with the adhesive 6. By using a carton with a cutting blade, first of all, the cutting blade B
Can be accurately and surely mounted on the carton A, and secondly, various effects such as an extremely simple structure can be obtained.

To explain the above effect in detail, the adhesive 6 is applied to a predetermined portion of the carton A, and the bending linear cuts 5, 5, ... correspond to the adhesive 6, and the cutting blade B is cut. When it comes into contact with the carton A, the adhesive 6 penetrates into the bent linear cuts 5, 5, ... In a state where the adhesive 6 is not dried, and the part where the adhesive 6 enters is as shown in FIG. The resistance of the cutting blade B to the displacement is prevented, and the deviation of the cutting blade B can be prevented until the adhesive 6 is cured.

Further, since the adhesive 6 penetrates into the curved linear cuts 5, 5, ... Of the cutting blade B, the inside of the curved linear cuts 5, 5 ,. The adhesive 6 cured in step 2 serves as a locking projection for the cutting blade B, and an extremely strong adhesive force can be realized.

Next, in the present invention, only the bent linear cuts 5, 5, ... Are formed in the cutting blade B, and the bent linear cuts 5, 5 ,. It only needs to be formed on the band portion 3, and only the adhesive 6 is applied to a predetermined portion on the side of the carton A, which makes it possible to have an extremely simple structure and is suitable for mass production.

Next, in the invention of claim 2, the band portion 3
The carton with the cutting blade is formed by adhering the cutting blade body B having the bent linear cuts 5, 5, having the locking curved surfaces 5a, 5a, ... , As well as the bending linear cuts 5, 5, ... in the band portion 3 of the cutting blade B, and the locking bending surfaces 5a, 5a, ... are formed at the bending linear cuts 5, 5, ..., Adhesive 6
When the cutting blade B is brought into contact with the application point of, the adhesive 6 not only penetrates into the bending linear cuts 5, 5, ...
The engaging bent surfaces 5a, 5a, ... go into the inside of the adhesive 6 to increase the resistance force received from the adhesive 6,
The displacement of the cutting blade B can be prevented more firmly.

Next, in the invention of claim 3, the belt portion 3
The cutting blade B having the curved linear cuts 5, 5, ... Formed at predetermined intervals and the carton A having the curved linear cuts 5, 5 ,. Since the carton with the cutting blade is formed by adhering through 6, the bending linear notch is formed on the carton A together with the cutting blade B.
By forming the cutting blades 5, ..., When the cutting blade B is joined to the carton A, the adhesive 6 penetrates into the bending linear cuts 5, 5, ... on the cutting blade B side and bends on the carton A side. Since it also penetrates into the linear cuts 5, 5, ..., It is possible to prevent the cutting blade B and the carton A from being displaced until the adhesive 6 hardens, and also to improve the adhesive force of the adhesive 6 after hardening. It can be made even stronger.

In addition, along with the bending linear cuts 5, 5, ... Formed on the carton A and the cutting blade B, the locking bending surface 5 is formed.
By forming a, 5a, ..., The adhesive force between the carton A and the cutting blade B can be further strengthened.

[0037]

[Brief description of drawings]

FIG. 1 is a perspective view of a carton and a cutting blade having a structure according to the present invention.

FIG. 2 is a perspective view of a main part showing the structure of the present invention.

FIG. 3 is a plan perspective view of an essential part showing the structure of the present invention.

FIG. 4 is a sectional view of an essential part of the present invention

FIG. 5 is an enlarged sectional view of an essential part of the present invention

FIG. 6 (a) is a plan perspective view showing a state in which the cutting blade body is prevented from shifting in the width direction, and FIG. 6 (b) is an enlarged sectional view of an essential part showing a working state.

FIG. 7 is a plan perspective view showing a state in which the cutting blade is prevented from shifting in the longitudinal direction.

FIG. 8A is a plan view showing an example of a bent linear cut, and FIG. 8B is a plan view showing an example of a bent linear cut of another embodiment.

FIG. 9A is a plan view showing an example of a bent linear cut not having a symmetrical shape, and FIG. 9B is a plan view showing another example of a bent linear cut not having a symmetrical shape.

FIG. 10 is a sectional view showing a mounting position of the cutting blade on the carton.

FIG. 11 (a) is a schematic plan view of an example in which only a curved linear cut is formed in the cutting blade, and FIG. 11 (b) is a cross-sectional view of an example in which only a curved linear cut is formed in the cutting blade.

FIG. 12 is a perspective view showing a state in which a cutting blade is bonded to a carton with an adhesive.

FIG. 13 is a schematic view showing a developed state of the carton.

FIG. 14 is a sectional view of an essential part of an embodiment in which a bent linear cut is provided in both the carton and the cutting blade.

FIG. 15 is a perspective view of an embodiment in which a half cut is formed on a carton.

FIG. 16 is a cross-sectional view of a main part of a state where a cutting blade is bonded to a carton having a half cut formed therein.

[Explanation of symbols]

 A ... Carton 3 ... Band 5 ... Bending linear cut 5a ... Locking bent surface B ... Cutting blade 6 ... Adhesive

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masahiko Kasai 1725, Tohocho, Midori-ku, Yokohama-shi, Kanagawa Eastern Giken Co., Ltd

Claims (3)

[Claims] 1. A carton with a cutting blade, characterized in that a cutting blade body, in which bent linear cuts are formed at predetermined intervals in a band portion, is adhered to the carton via an adhesive. 2. A carton with a cutting blade, characterized in that a cutting blade body, in which bent linear cuts having locking bent surfaces at predetermined intervals are formed on a band portion, is adhered via an adhesive. 3. A cutting blade body in which bent linear cuts are formed at predetermined intervals in a band portion, and a carton in which the bent linear cuts are formed in a joint surface of the cutting blades are bonded to each other with an adhesive. A carton with a cutting blade characterized by: