JP2004035087A - Packaging film cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutting and opening tool for a packaging film capable of conveniently cutting and opening a package such as a caramel wrap, a shrink package or packages having other various shapes. <P>SOLUTION: The packaging film cutter usable for cutting, opening and removing the film in which an item to be packaged is packaged, the film keeping tight or approximately tight contact with the item to be packaged, has a base portion 11, a protruding portion 12 facing to the side margin of the base portion 11 and capable of being inserted between the item to be packaged and the film and a blade 2 mounted between the base portion 11 and the protruding portion 12 to cut and open the film. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a device that can easily open a package having high adhesion and tightness, such as caramel packaging and shrink packaging, in particular.
[0002]
[Prior art]
In recent years, packaging using a plastic film is often applied to various articles distributed on the market. For example, caramel packaging is applied to CDs, DVDs, audio cassette tapes, video tapes, and the like, and shrink packaging is applied to foods, cosmetics, pharmaceuticals, and the like. Although the films used for these packages are very thin, they can be easily opened only with human fingers because they are in close contact with the items to be packaged, are smooth, and have high sealing properties. difficult.
[0003]
For the above reasons, the film for packaging the article may be processed to make it easy to open the seal. A typical example is a tape in which a tape is welded to a packaging film, and the packaging film can be torn by pulling the tape.
[0004]
[Problems to be solved by the invention]
However, even if a process for making the seal easy to open has been performed, it is often difficult to open the seal because it cannot be confirmed immediately. In addition, many shrink wraps applied to foods and the like are not processed to make it easy to open the seal from the viewpoint of safety or other reasons. The only way to open these items is to use a cutter knife or tear the film with your fingers or nails.When cutting the film with the cutter knife, make sure that the packaged item is not damaged. You have to be careful, and even if you try to open it with your fingers or nails, it is inevitable that it will be difficult.
[0005]
In view of the above problems, an object of the present invention is to provide a packaging film cutting device effective for opening caramel packaging, shrink packaging, and other various types of packaging more easily. It is.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, in the present invention, a film for packaging or to be in close contact with or to be closely adhered to an object to be packaged is to be incised and detached, and a base, A packaging film cutter comprising a protrusion facing the side edge of the base and capable of being inserted between the object to be packaged and the film, and a blade for cutting a film provided in a gap formed between the base and the protrusion. It was decided to configure.
[0007]
With such a device, the film can be cut without damaging the packaged object by inserting a protruding portion between the cutout target site of the packaging film and the packaged item, and the package can be more easily opened. It is possible to do. In addition, since the blade is shielded from the outside by the presence of the base portion and the protruding portion, the finger is not injured when the film is incised, and it is safe.
[0008]
In addition, if the cutting edge of the blade is located near the tip of the protruding portion and inward of the tip, the protruding portion is slightly positioned between the incision target portion of the film and the packaged object. By inserting the film, the film comes into contact with the blade, and the incision can be made smoothly. In addition, it is possible to avoid that the shape of the protruding portion is unnecessarily elongated and safety and strength are impaired. Preferably, the shortest distance between the tip of the protruding portion and the cutting edge of the blade is set between 0.3 mm and 4.0 mm.
[0009]
The protruding portion is desirably formed into a shape that can be easily inserted between the cutout target portion of the film and the packaged object. Therefore, it is preferable that the tip portion of the protruding portion is formed in a tapered shape that gradually becomes thinner toward the forefront. In addition, the angle formed by the orthogonal projection is set to more than 0 ° and 15 ° or less, and it is particularly preferable to set the angle between 8.2 ° and 9.3 °.
[0010]
Further, by setting the radius of the tip of the protrusion to a value between 0.15 mm and 0.35 mm, the protrusion can be easily inserted, while ensuring safety when touched by a person. Damage to the package can be suppressed.
[0011]
Forming a notch that opens outward on the main body having a substantially circular shape in a front view to form the base and the protruding portion, and a tapered shape if it is designed to accommodate a blade in the notch. The protruding portion can be formed without difficulty, and it is possible to achieve both functionality and design.
[0012]
Furthermore, if at least the tip portion of the protruding portion is made of resin, it is difficult to damage human fingers and packaged goods.
[0013]
The wrapping film cutter is particularly suitable for cutting a plastic film wrapping an object to be wrapped by a method such as caramel wrapping or shrink wrapping. However, the application object is not limited to the plastic wrapping film, and it is naturally possible to use it for cutting a wrapping paper, for example.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 3, the packaging film cutter according to the present embodiment is housed in the notch 13 of the main body 1, which has a substantially circular shape in a front view and has a notch 13 that opens outward. And a blade 2.
[0015]
The main body 1 is a resin molded product such as an ABS resin and has a central portion bulging in a thickness direction, for example, having an outer shape like a go stone. The notch 13 is formed at a position displaced laterally from the center axis of the main body 1 in front view. In the illustrated example, the main body 1 has a bottomless groove that extends upward while slightly curving in an arc shape from the lower edge portion. In addition, the notch 13 is configured to have a width dimension that does not hinder the entry of the packaging film F, yet does not allow a human finger to easily enter. The notch 13 separates the base 11 and the protruding portion 12. That is, the tapered portion that extends in the circumferential direction while being curved and gradually narrows toward the forefront is the protruding portion 12, and the portion facing the protruding portion 12 across the notch 13 is the base portion 11, and the protruding portion 12 is It is in a state facing the side edge of the base portion 11 on the side of the notch 13.
[0016]
The blade 2 made of steel, ceramic or other various materials is accommodated in the inner part of the notch 13. The blade 2 has its cutting edge 21 facing the opening side of the notch 13. Both sides of the blade 2 are shielded from the outside by the base 11 and the protrusion 12. The cutting edge 21 of the blade 2 is set obliquely to the extending direction of the notch 13 so that the protruding portion 12 approaches the opening of the notch 13. Therefore, the cutting edge 21 of the blade 2 is close to the tip of the protrusion 12.
[0017]
When using the packaging film cutter, as shown in FIGS. 4 and 5, the protruding portion 12 is inserted between the packaged object C and the film F to bring the cut target portion of the film F into contact with the cutting edge 21. . Incidentally, if the film F is rich in elasticity, it is possible to cut the film F by contacting the cutting edge 21 with the film F without the projecting portion 12 breaking through the film F.
[0018]
When the package to be opened is a caramel package or the like, as shown in FIGS. 6 and 7, the protruding portion 12 is inserted between the film F and the film F existing in the portion where the film F is folded and welded, The film F may be cut. In this case, a part of the film F is interposed between the projection 12 and the package C, and the projection 12 is inserted between the package C and the film F in an indirect sense. .
[0019]
Hereinafter, a preferred design example of the packaging film cutter will be described with reference to FIG. In order to allow the packaging film F to be cut smoothly, the shortest distance 1 between the tip end of the protruding portion 12 and the cutting edge 21 of the blade 2 is set between 0.3 mm and 4.0 mm. As a result, the film F can be incised by slightly inserting the protruding portion 12 between the site to be incised on the film F and the article to be packaged C, and the film F can be cut without being forcibly torn. To make it easier to insert the protruding portion 12 at the time of incision of the film F, the tip portion of the protruding portion 12 is formed into a tapered shape that gradually becomes thinner toward the forefront, and the angle a formed by the orthogonal projection exceeds 0 degree. It shall be 10 degrees or less. In particular, it is preferable to set the angle between 8.2 degrees and 9.3 degrees. In addition, by setting the radius R of the most prominent roundness of the protruding portion 12 to be between 0.15 mm and 0.35 mm, it is easy to insert the protruding portion 12 while ensuring safety when touching by a person, Damage to the packaged object C can be suppressed. The packaging film cutter designed along the above can be suitably used for various packaged articles.
[0020]
According to the present embodiment, the base film 11 that can be used to cut and remove the film F that covers the package C in close or substantially close contact with the package C is used. And a protruding portion 12 facing the side edge of the base portion 11 and capable of being inserted between the packaged object C and the film F, and incising a film F provided in a gap formed by the base portion 11 and the protruding portion 12. With the configuration including the blade 2 that cuts the package F, the projecting portion 12 is inserted between the cut target site of the packaging film F and the packaged object C to cut the film F without damaging the packaged object C. Therefore, the package can be more easily opened. In addition, since the blade 2 is shielded from the outside by the presence of the base 11 and the protruding portion 12, the finger is not injured when the film F is cut, and the blade 2 is safe.
[0021]
Since the cutting edge 21 of the blade 2 is arranged near the front end of the protrusion 12 and inward of the front end, the protrusion 12 is positioned between the cut target portion of the film F and the packaged object C. The film F can be cut smoothly by slightly inserting it in between. Moreover, the shape of the protruding portion 12 is not elongated, so that the safety and strength are not impaired. In particular, if the shortest distance 1 between the tip end of the protruding portion 12 and the cutting edge 21 of the blade 2 is set between 0.3 mm and 4.0 mm, the packaging film F of various packaged articles is changed. It becomes possible to cut with the blade 2, which makes opening easier.
[0022]
Since the tip portion of the protruding portion 12 is formed in a tapered shape that gradually becomes thinner toward the forefront, it is easy to insert the portion between the cut target portion of the film F and the packaged object C when the packaging film F is cut. It has become something. Moreover, if the angle a formed by the orthogonal projection is set to 15 degrees or less, it is possible to quickly open various wrapped articles.
[0023]
Further, if the radius R of the tip of the protrusion 12 is set between 0.15 mm and 0.35 mm, it is easy to insert the protrusion 12 while ensuring safety when touched by a person. Further, damage to the packaged object C can be suppressed.
[0024]
A cutout 13 that opens outward is formed in the main body 1 having a substantially circular shape in a front view to form the base portion 11 and the protruding portion 12, and the blade 2 is housed in the cutout 13. The tapered protruding portion 12 can be formed without difficulty, and compatibility between functionality and design can be achieved.
[0025]
Since the main body 1 is made of a resin molded product, and the base 11 and the protruding portion 12 are made of resin, it is hard to damage human fingers and a packaged product, and is easy to use.
[0026]
Note that the present invention is not limited to the embodiment described in detail above. In particular, the shapes of the base and the protruding portion of the packaging film cutter are not limited to those in the illustrated example.
[0027]
In addition, the specific configuration of each unit is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
[0028]
【The invention's effect】
According to the present invention described in detail above, it is possible to more easily open caramel packaging, shrink packaging, and other various forms of packaging.
[Brief description of the drawings]
FIG. 1 is a front view of a packaging film cutter according to an embodiment of the present invention.
FIG. 2 is a side view of the same.
FIG. 3 is a top view of the same.
FIG. 4 is a schematic view showing a method of using the packaging film cutter in the embodiment.
FIG. 5 is an exemplary sectional view showing how to use the packaging film cutter in the embodiment;
FIG. 6 is an exemplary perspective view showing how to use the packaging film cutter in the embodiment.
FIG. 7 is an exemplary perspective view showing how to use the packaging film cutter in the embodiment.
FIG. 8 is a diagram showing a preferred design example of a packaging film cutter.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Main body 11 ... Base 12 ... Protrusion 13 ... Notch 2 ... Blade 21 ... Blade tip

Claims (7)

It is for incising and detaching a film packaging the package in close or substantially close contact with the package,
A base, a protrusion facing the side edge of the base and capable of being inserted between the packaged object and the film, and a blade for cutting a film provided in a gap formed by the base and the protrusion. Packaging film cutter. The packaging film cutter according to claim 1, wherein a cutting edge of the blade is disposed near the tip of the protruding portion and inward of the tip. The packaging film cutter according to claim 2, wherein the shortest distance between the tip of the protruding portion and the cutting edge of the blade is set between 0.3 mm and 4.0 mm. 4. The packaging film cutter according to claim 1, wherein the tip portion of the projecting portion is formed into a tapered shape gradually tapering toward the forefront, and an angle formed by the orthogonal projection is set to be more than 0 degree and 15 degrees or less. . 5. The packaging film cutter according to claim 1, wherein a radius of a tip of the protrusion is set between 0.15 mm and 0.35 mm. A notch that opens outwardly in a body having a substantially circular shape in a front view to form the base and the protruding portion, and a blade is housed in the notch. 5. The packaging film cutter according to 5. 7. The packaging film cutter according to claim 1, wherein at least a tip portion of the projecting portion is made of resin.

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