JP6830247B2 - Manufacturing method of magnet sheet - Google Patents

Description

The present invention relates to a magnet sheet, and more particularly to a magnet sheet composed of a magnet sheet main body, an adhesive layer, and a coating layer, and a method for manufacturing the same.

The magnet sheet of the present invention is a sheet-shaped plastic magnet that can be magnetically attached to a magnetically attached surface made of a magnetic material such as a whiteboard, a partition, or a metal wall. Conventionally, a magnet sheet (Patent Documents 1 and 2) in which an adhesive layer and a paper pattern are laminated on one side of a magnet sheet has been provided. For example, the magnet sheet described in Patent Document 1 states that "the adhesive material and the release sheet are transparent or translucent, and a guide guide display for cutting the magnet sheet body into a predetermined form is displayed on one side of the magnet sheet body. The functional sheet described in Patent Document 2 has a structure of "made", and "an adhesive layer is formed on a base material, and a release paper is laminated on the adhesive layer for the purpose of protection. In the sheet, the visible markings and / or perforations on the surface of the paper pattern indicate the dimensional position. " The markings and perforations used in the base material sheet described in Cited Document 2 are "an example of marking is a linear groove A and a broken line groove B having a concave shape pressed from the surface side of the paper pattern 3. The dent extends to the pressure-sensitive adhesive layer 2, but has no effect on the base material 1. " One use of the magnet sheet having such an adhesive layer is to cut the magnet sheet into a desired size with scissors or a cutter in accordance with a mark such as a guide guide.

Further, the magnet sheet described in Patent Document 8 has a printed surface formed on the surface of the magnet sheet, and the printed surface is printed and magnetized on the magnetized surface. In addition, a magnet sheet in which colors and displays are applied to the surface of the magnet sheet is also provided, and is used for the purpose of forming a bar graph or decoration with the magnet sheet itself to form a display body. Furthermore, a magnet piece set made by sticking a plurality of piece-shaped magnet pieces on a piece of paper pattern has also been devised. Various types of thick paper, printed matter, and the like having perforations (cutting holes) have been proposed (Cited Documents 3 to 7).

When cutting the magnet sheet, it was necessary to measure the dimensions to be cut, determine the mark, and cut with scissors or a cutter according to the mark, which was troublesome. In particular, since the magnet sheet has a certain thickness and elasticity, it is more difficult to cut it into a desired size and shape than paper or cloth, and it is not possible to cut it without using cutting tools such as scissors or a cutter. was difficult.

Japanese Unexamined Patent Publication No. 2013-227443 JP-A-2015-85557 Japanese Unexamined Patent Publication No. 8-156456 Japanese Unexamined Patent Publication No. 2004-189294 Japanese Unexamined Patent Publication No. 2006-11342 Japanese Unexamined Patent Publication No. 2016-138356 Japanese Unexamined Patent Publication No. 2008-30290 Japanese Unexamined Patent Publication No. 2004-29095

Therefore, an object of the present invention is to provide a magnet sheet that can be cut with a relatively light force without using cutting tools such as scissors and a cutter, and can form a desired size and a desired shape. ..

Further, in the case of a magnet sheet composed of a magnet sheet main body, an adhesive layer and a release paper, it is an object of the present invention to provide a magnet sheet capable of easily peeling the release paper from the magnet sheet main body.

In the method for manufacturing a magnet sheet according to the present invention, a magnet sheet composed of a magnet sheet main body, an adhesive layer formed on the magnet sheet main body, and a coating layer laminated on the adhesive layer is continuously formed. This is a method for manufacturing a magnet sheet, which is arranged at a position facing a plurality of drilling blades and presses the drilling blades to continuously form cutting holes in the magnet sheet. In the step of forming the cutting hole portion, it is possible to select either a perforation penetrating the magnet sheet or a cutting groove cut into the middle part of the wall thickness of the magnet sheet main body.

It is characterized in that the cutting hole portion is formed starting from the end portion of the magnet sheet.

The disconnecting hole, and forming a plurality of substantially parallel.

The disconnecting hole, and forming a plurality of substantially orthogonal to each other.

The magnet sheet according to the present invention can be easily cut off by cutting the magnet sheet into a desired size and shape.

It is a top view of the magnet sheet which is an embodiment of this invention. It is a top view which shows the state which cut out the magnet sheet shown in FIG. It is a perspective view of the magnet sheet shown in FIG. FIG. 5 is an enlarged cross-sectional view taken along the line AA schematically showing an example of a cutting hole portion used in the magnet sheet shown in FIG. It is an enlarged cross-sectional view which shows typically the example of the other cutting hole part adopted in this invention. It is an enlarged cross-sectional view which shows typically the example of the other cutting hole part adopted in this invention. It is a perspective view of the magnet sheet which is another Embodiment of this invention.

Hereinafter, embodiments of the magnet sheet and the method for manufacturing the magnet sheet according to the present invention will be described with reference to the drawings.

(Example 1)
An embodiment of the magnet sheet according to the present invention will be described with reference to FIGS. 1 to 4. As shown in FIG. 3, the magnet sheet 1 is an adhesive layer formed by applying or adhering a double-sided adhesive tape to one side of a magnet sheet main body 2 formed by molding a plastic magnet into a sheet shape and the magnet sheet main body 2. 3. It is formed of a release paper 4 as a coating layer that is laminated and adhered on the adhesive layer 3 to cover the exposed surface of the adhesive. Both isotropic and anisotropic can be used for the magnet sheet main body 2, and the magnet sheet body 2 is selected according to the load of the object. The paper pattern is a sheet in which the surface of the adhesive in contact with the exposed surface is smoothly formed with good peelability.

As shown in FIGS. 1 to 4, the magnet sheet 1 is provided with holes 5 as cutting holes penetrating the magnet sheet main body 2, the adhesive layer 3, and the paper pattern 4 at predetermined hole widths and predetermined intervals. It is continuously formed in a broken line shape and has perforations for cutting and cutting. In the present embodiment, a plurality of holes 5 are formed, and a row 51 of horizontal holes parallel to one end surface of the rectangular magnet sheet 1 and a column 52 of vertical holes orthogonal to the row 51 of the holes are formed. It is formed at equal intervals, and forms a grid surrounded by a line of perforations 51 and a line of perforations 52.

The perforation 5 of the present embodiment has a slit shape that is cut in a straight line, and the perforation 5 forms cut end portions 5a and 5b starting from the end portion of the magnet sheet 1, and when the magnet sheet is cut out. It is a trigger for. In the present embodiment, half the width of the hole width of the drilling 5 is the cut end portions 5a and 5b.

The cut-out hole portion of the magnet sheet of the present embodiment is formed in a line of 10 rows × 30 columns as an example, but depending on the intended use, the magnet sheet piece for the first square is cut out to form a piece-shaped magnet sheet. 1a can be created, a block-shaped magnet sheet 1b can be created by cutting out a magnet sheet piece in the third square, and a band-shaped magnet sheet 1c can be created by cutting out a plurality of square magnet sheet pieces.

For example, the size of the magnet sheet is 10 cm x 30 cm, the spacing between the squares is 1 cm, the spacing between the holes 5 is 1 mm, and so on, the dimensions of the magnet sheet itself, the spacing between the holes 5, and the width of the perforations made by the cut holes. , If it is formed according to a unit of a predetermined length such as an international standard, it is easy to cut a magnet sheet piece having a desired size and length.

In the present embodiment, an example in which a perforation 5 for cutting is formed linearly on a rectangular magnet sheet has been shown, but the shape of the magnet sheet is not limited to this and can be formed into any shape. It doesn't matter. It is also possible to form the perforations 5 continuously in a curved shape. Further, the shape of the perforation 5 is not limited to the straight slit shape, and other shapes such as a circular shape and an elliptical shape also function as a cutting hole portion and the shape is not limited.

According to such a magnet sheet 1, the magnet sheet 1 can be easily cut into a desired size by picking it up, separating it from the position of the perforation 5, and cutting it. Further, since the perforations 5 are formed at the same positions of the magnet sheet main body 2, the adhesive layer 3, and the paper pattern 4, the magnet sheet composed of the three layers can be integrally cut off. Further, the paper pattern of the magnet sheet in the cut portion can be integrally peeled off. Further, the sheet state is maintained without the magnet sheet piece falling off until the magnet sheet is cut off. Further, it is possible to obtain a magnet sheet piece having an excellent aesthetic appearance without leaving burrs on the end portion of the magnet sheet piece that has been cut off and undesired tearing in the magnet sheet piece. Further, even if the release paper is peeled off or does not exist, the magnet sheet is separated into each piece and does not fall off.

In addition, the cut magnet sheet has various uses. For example, an article that can be magnetized can be provided by adhering to the back surface of an object to be magnetized on a magnetized surface such as paper, a photograph, a photographic paper, a whiteboard, a whiteboard marker, an eraser, or a whiteboard marker case. Further, it is possible to provide a magnetic material that is adhered to a door and a door frame and a lid and a box to attract and hold the door or the box in a closed state.

(Example 2)
Next, the magnet sheet 10 according to another embodiment of the present invention will be described. The shape of the cut-off hole portion of the magnet sheet 10 is different from that of the magnet sheet 1 described in the first embodiment, but the description thereof will be omitted because it is the same as the magnet sheet 1 shown in the first embodiment except for this point.

As shown in FIG. 5, the magnet sheet 10 according to another embodiment of the present invention is cut so as to penetrate the paper pattern 40 and the adhesive layer 30 and reach the middle part of the wall thickness of the magnet sheet main body 20. A plurality of cut grooves 50 as the holes are continuously formed at a predetermined groove width and a predetermined interval to form perforations for cutting / cutting. The notch groove 50 is a V-shaped wedge-shaped concave groove in which the notch angles are evenly formed. The cut groove 50 is cut and formed to an intermediate position where the magnet sheet 10 can be easily separated by hand according to the wall thickness of the magnet sheet 20.

The cut groove 50 is formed starting from the end portion of the magnet sheet 10 to form the cut end portion 50b and serves as a trigger for cutting the magnet sheet. In the present embodiment, the cut end portion 50b has a width of about half the hole width of the cut groove 50. Further, in the present embodiment, the cut groove 50 has a plurality of horizontal cut grooves parallel to one end surface of the rectangular magnet sheet 10 and a plurality of vertical cut grooves orthogonal to the one end surface at equal intervals. It is formed and forms a grid surrounded by vertical and horizontal lines.

The magnet sheet 11 according to another embodiment of the present invention shown in FIG. 6 has a cutting hole that penetrates the paper pattern 40 and the adhesive layer 30 and reaches the middle part of the wall thickness of the magnet sheet main body 20. A plurality of cut grooves 53 as portions are continuously formed at a predetermined groove width and a predetermined interval to form perforations for cutting / cutting. The cut groove 53 is a wedge-shaped concave groove that is carved into a right-angled triangular shape and one side is perpendicular to the magnet sheet 11. The cut groove 53 is cut and formed to an intermediate position where the magnet sheet 11 can be easily separated by hand according to the wall thickness of the magnet sheet 20.

The cut groove 53 is formed starting from the end portion of the magnet sheet 11 to form the cut end portion 53b and serves as a trigger for cutting the magnet sheet. In the present embodiment, the cut end portion 53b has a width of about half the hole width of the cut groove 53. Further, in the present embodiment, the cut groove 53 has a plurality of horizontal cut grooves parallel to one end surface of the rectangular magnet sheet 11 and a plurality of vertical cut grooves orthogonal to the one end surface at equal intervals. It is formed and forms a grid surrounded by vertical and horizontal lines.

In the present embodiment, an example in which the cutting grooves 50 and 53 for cutting are formed linearly is shown, but it is also possible to form the cutting grooves 50 and 53 continuously in a curved shape. Further, the shapes of the cut grooves 50 and 53 are not limited to the wedge shape shown in FIGS. 5 and 6, but are a concave groove formed in a bottomed rectangular shape and a recessed groove formed in a bottomed trapezoidal shape. Even if it has another shape such as, it functions as a cutting hole and its shape is not limited.

The type of magnet sheet in which the cutting hole portion is formed by the notch groove 50 as in the second embodiment is suitable for a magnet sheet made of a relatively thin magnet sheet main body, and a magnet by hand while maintaining the strength of the magnet sheet. The sheet can be separated and cut off.

(Example 3)
Next, the magnet sheet according to another embodiment of the present invention will be described. The magnet sheet is the same as the magnet sheet 1 shown in the first embodiment except that the coating layer is a color sheet (not shown) instead of the paper pattern 3 with respect to the magnet sheet 1 shown in FIGS. 1 to 4. ..

This type of magnet sheet includes a magnet sheet body 2 formed by molding a plastic magnet into a sheet, an adhesive layer 3 formed by applying or adhering a double-sided adhesive tape to one side of the magnet sheet body 2, and an adhesive. It is formed of a color sheet that is laminated and adhered onto the layer 3 to cover the exposed surface of the adhesive. The magnet sheet can be used both isotropic and anisotropic, and is selected according to the load of the object.

The color sheet is a film-like or sheet-like plastic sheet, and when a white film is selected, a magnet sheet for printing is provided, and the surface can be printed. When a colored color sheet such as red, green, or yellow is selected, a decorative magnet sheet is provided and the magnet sheet itself is used as a display body. The method of attaching the color sheet is not limited to the method of applying an adhesive or attaching with a double-sided adhesive tape, and other attachment methods such as various laminating processes can also be used. Further, it can be applied to a magnet sheet having a two-layer structure of a magnet sheet main body and a coating layer by film deposition of a color sheet without having an adhesive layer.

Also in this magnet sheet, perforations or cut grooves as cutting holes penetrating the magnet sheet body, the adhesive layer, and the color sheet are continuously formed with a predetermined hole width and a predetermined interval for cutting and cutting. The perforations are made for.

According to the magnet sheet of the present embodiment, the magnet sheet for printing can be printed and then cut out to create a label or a jigsaw puzzle. Further, the decorative magnet sheet can be cut into a desired size to create a bar graph, or various display bodies can be created.

(Example 4)
Next, the magnet sheet according to another embodiment of the present invention will be described. As shown in FIG. 7, in the magnet sheet 6, perforations 8 as cutting holes are continuously formed in the original magnet sheet main body 7 made of a plastic magnet formed in a sheet shape at a predetermined hole width and a predetermined interval. It is formed and has perforations for cutting and cutting. In the present embodiment, the perforations 8 are formed by forming a plurality of lateral perforations 81 parallel to one end surface of the rectangular magnet sheet 1 and a plurality of vertical perforations 82 orthogonal to the one end surface at equal intervals. A square surrounded by 81 lines and 82 lines of perforations is formed.

The perforation 8 is formed starting from the end portion of the magnet sheet 1 to form the cut end portions 8a and 8b, and serves as a trigger for cutting the magnet sheet. In the present embodiment, half the width of the hole width of the drilling 5 is the cut end portions 8a and 8b. Instead of the perforation 8, a cut groove as a cut perforation can be formed in the magnet sheet main body 7.

(Example 5)
Next, a method of manufacturing the magnet sheet will be described. In this method of manufacturing a magnet sheet, a magnet sheet 1 composed of a magnet sheet main body 2, an adhesive layer 3 formed on the magnet sheet main body 2, and a paper pattern 4 laminated on the adhesive layer 3 is formed by using a drilling blade. After arranging under the die to have, embossing is performed, and a drilling 5 or a cutting groove 50 is formed by a drilling blade.

Specifically, a plurality of drilling blades are formed in the die, the magnet sheet 1 is arranged at a position facing the plurality of drilling blades, and the drilling blades are pressed to continuously form the cutting holes in the magnet sheet. The perforation 5 is formed by forming the perforation 5. By adjusting the blade length of the drilling blade and the pressing pressure, either the drilling 5 penetrating the magnet sheet 1 or the notch grooves 50 and 53 that cut into the middle part of the wall thickness of the magnet sheet body 2 should be selected. Can be done.

As a result, a cut-out hole can be easily and surely formed on the magnet sheet having the magnet sheet main body, the adhesive layer, and the coating layer, and perforations can be made. In particular, the cut-out hole can be reliably formed at the same position with respect to the magnet sheet 1 having a layer having different properties, which is composed of the magnet sheet main body 2, the adhesive layer 3, and the paper pattern 4. The finished magnet sheet 1 can easily cut off a magnet sheet piece having a desired size.

Further, in the present embodiment, since a cutting blade having a longer blade length than the drilling blade is formed in the peripheral portion of the die, the magnet sheet 1 is cut and molded and the drilling 5 or the cut groove 50, 53 is formed by one die cutting. Can be formed.

The above-mentioned method for manufacturing a magnet sheet can also be applied to a magnet sheet in which the coating layer shown in Example 3 is a color sheet, and a magnet sheet consisting only of the magnet sheet main body shown in Example 4.

According to the magnet sheet and the method for manufacturing a magnet sheet of the present invention, it is possible to provide a magnet sheet capable of easily and surely separating and cutting a magnet sheet piece having a desired size from the magnet sheet.

In particular, the magnet sheet of the present invention can easily cut and cut the magnet sheet along the perforations with only a light force of the hand without using any cutting tool, and can easily and surely obtain a desired size and shape. It is possible to provide a magnet sheet that can be made.

1,10,11 Magnet sheet 2,20 Magnet sheet body 3,30 Adhesive layer 4,40 Paper pattern 5 Perforation (cutting hole)
50 Notch groove (cutting hole)
51 Lateral perforation (cutting hole)
52 Vertical perforation (cutting hole)
53 Notch groove (cutting hole)
6 Magnet sheet 7 Magnet sheet body 8 Perforation (cutting hole)
81 Lateral perforation (cutting hole)
82 Vertical perforation (cutting hole)

Claims (4)

A magnet sheet composed of a magnet sheet main body, an adhesive layer formed on the magnet sheet main body, and a coating layer laminated on the adhesive layer is placed at a position facing a plurality of continuously formed drilling blades. It is a method of manufacturing a magnet sheet in which a cutting hole is continuously formed in a magnet sheet by arranging and pressing a drilling blade.
In the step of forming the cutting hole using the drilling blade, it is possible to select either a drilling penetrating the magnet sheet or a cutting groove cut into the middle part of the wall thickness of the magnet sheet body. A method for manufacturing a magnet sheet, which is characterized by being present. The method for manufacturing a magnet sheet according to claim 1, wherein the cutting hole portion is formed starting from an end portion of the magnet sheet. The method for manufacturing a magnet sheet according to claim 1 or 2, wherein a plurality of the cutting holes are formed substantially in parallel. The method for manufacturing a magnet sheet according to any one of claims 1 to 3, wherein a plurality of the cutting holes are formed substantially orthogonal to each other.