JP2018176541A - Magnet sheet and method of manufacturing magnet sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a magnet sheet capable of forming by separating and cutting off the magnet sheet into a desired size and a desired shape only by manual light force without using any cutting tool.SOLUTION: A magnet sheet 1 of the invention includes a magnet sheet body 2, an adhesive layer 3 formed on the magnet sheet body, and a release paper 4 laminated on the adhesive layer. The magnet sheet 1 includes a plurality of holes 5 as a hole part for separation which are continuously formed so as to form perforations for separation.SELECTED DRAWING: Figure 1

Description

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

  The magnet sheet of the present invention is a sheet-like plastic magnet which can be magnetically attached to a magnetic attachment surface made of a magnetic material such as a white board, partition, metal wall or the like. Conventionally, a magnet sheet (patent documents 1 and 2) which laminated an adhesive layer and release paper on one side of a magnet sheet is 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 the guide guide display for cutting the magnet sheet main body into a predetermined form on one side of the magnet sheet main body The functional sheet described in Patent Document 2 has a structure in which an adhesive layer is formed on a base material, and a release paper is further laminated thereon for the purpose of protection. In the sheet, visible markings and / or perforations applied to the surface of the release paper represent the dimensional position. The markings and perforations employed in the base sheet described in the cited reference 2 are “one example of the marking, a linear groove A and a dotted groove B having a concave shape that is pressed from the surface side of the release paper 3 The depression extends to the pressure-sensitive adhesive layer 2 but has no influence on the substrate 1. One application of a magnet sheet having such an adhesive layer is to cut the magnet sheet to a desired size with scissors or a cutter in accordance with a mark such as a guide.

  The magnet sheet described in the patent document 8 has a printing surface formed on the surface of the magnet sheet, and printing is performed on the printing surface to magnetically attach to the magnetic surface. Moreover, the magnet sheet by which the color and the indication were given on the surface of a magnet sheet is also provided, and it is used for the purpose of forming a bar graph and decoration by a magnet sheet itself, and forming a display body. Furthermore, a magnet piece set has also been devised in which a plurality of piece-like magnet pieces are attached to a single release paper. In addition, various kinds of thick paper, printed matter and the like in which perforations (separation holes) are formed have been proposed (cited references 3 to 7).

  When cutting the magnet sheet, the size to be cut is determined, a mark is determined, and it is necessary to cut with a scissors or a cutter in accordance with the mark, and it took a lot of time to cut. In particular, the magnet sheet has a certain thickness and elasticity, so it is more difficult to cut into a desired size or shape than paper or cloth, etc. It is difficult to cut without using cutting tools such as scissors or a cutter. was difficult.

JP, 2013-227443, A JP, 2015-85657, A JP-A-8-156456 JP, 2004-189294, A JP, 2006-11342, A JP, 2016-138356, A JP 2008-30290 A Unexamined-Japanese-Patent No. 2004-29095

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

  Another object of the present invention is to provide a magnet sheet in which the release sheet can be easily peeled off from the magnet sheet main body in the magnet sheet main body, the adhesive layer and the magnet sheet made of the release sheet.

  The magnet sheet of the present invention is a magnet sheet including a magnet sheet body, an adhesive layer formed on the magnet sheet body, and a covering layer laminated on the adhesive layer, and a plurality of magnet sheets are provided on the magnet sheet. The present invention is characterized in that the separation holes of the above are continuously formed.

  According to one aspect of the present invention, the separation hole is a perforation formed through the coating layer, the adhesive layer, and the magnet sheet main body.

  According to another aspect of the present invention, the separation hole portion is a cut groove which penetrates the coating layer and the adhesive layer and is cut in the magnet sheet main body.

  The separation hole portion is characterized in that the end portion of the magnet sheet is formed as a starting point.

  A plurality of separation holes are formed substantially in parallel.

  A plurality of separation holes are formed substantially orthogonal to each other.

  The covering layer is characterized by being a release paper.

  The covering layer is characterized in that it is a color sheet.

  In the method of manufacturing a magnet sheet according to the present invention, a magnet sheet including a magnet sheet body, an adhesive layer formed on the magnet sheet body, and a covering layer laminated on the adhesive layer is continuously formed. It arranges in the position which counters a plurality of drilling blades, presses a drilling blade, and forms a hole for separation continuously in a magnet sheet, It is characterized by the above-mentioned.

  A magnet sheet according to another aspect of the present invention is characterized in that a plurality of separation holes are continuously formed in the magnet sheet formed of a sheet-like magnet sheet main body.

  The magnet sheet according to the present invention can easily separate and cut the magnet sheet into a desired size and shape.

It is a top view of the magnet sheet which is an embodiment of the present invention. It is a top view which shows the state which cut off the magnet sheet | seat shown in FIG. It is a perspective view of the magnet sheet shown in FIG. It is an AA expanded sectional view which shows typically the example of the hole for isolation | separation employ | adopted as the magnet sheet | seat shown in FIG. It is an expanded sectional view which shows typically the example of the other hole for separation employ | adopted by this invention. It is an expanded sectional view which shows typically the example of the other hole for separation employ | adopted by this invention. It is a perspective view of the magnet sheet which is other embodiment of this invention.

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

Example 1
An embodiment of a 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 a magnet sheet main body 2 formed by molding a plastic magnet into a sheet shape, and an adhesive layer formed by applying or double-sided adhesive tape to one side of the magnet sheet main body 2. 3 is formed of a release paper 4 as a covering layer which is laminated and stuck on the adhesive layer 3 and covers the exposed surface of the adhesive. The magnet sheet main body 2 can use both isotropy and anisotropy, and is selected according to the load of the object. In addition, the release paper is a sheet in which the surface in contact with the exposed surface of the adhesive is formed smoothly with good releasability.

  As shown in FIGS. 1 to 4, in the magnet sheet 1, the magnet sheet main body 2, the adhesive layer 3, and the perforations 5 as separation holes penetrating the release paper 4 have a predetermined hole width and a predetermined interval. It is continuously formed in a broken line shape, and has perforations for cutting off and cutting off. In the present embodiment, a plurality of perforations 5 are formed, and a row 51 of perforations in the lateral direction parallel to one end face of the rectangular magnet sheet 1 and a row 52 of the longitudinal perforations perpendicular thereto are included. It is formed at equal intervals, and forms a square surrounded by the line of perforations 51 and the line of perforations 52.

  The perforations 5 of the present embodiment have a slit shape which is cut in a straight line, and the perforations 5 form the separated end portions 5a and 5b starting from the end of the magnet sheet 1, and when cutting off the magnet sheet The opportunity to In the present embodiment, the half width of the hole width of the perforation 5 is the separated end portions 5a and 5b.

  For example, although the cut-away hole portion of the magnet sheet of the present embodiment is formed in a line of 10 rows × 30 columns, the magnet sheet piece of one square is cut out piece-like magnet sheet according to the usage It is also possible to create 1a, to cut out the third square magnet sheet piece to create a block-shaped magnet sheet 1b, and further to cut out a plurality of square magnet sheet pieces to create a strip-shaped magnet sheet 1c.

  For example, the size of the magnet sheet is 10 cm × 30 cm, the distance between grids is 1 cm, the distance between the perforations 5 is 1 mm, the dimensions of the magnet sheet itself, the distance between the perforations 5, and the width of the perforation formed by the cut-off portion If it is formed in accordance with a unit of a predetermined length such as an international standard, a magnet sheet piece of a desired size and length can be easily cut out.

  In the present embodiment, an example in which the perforations 5 for separation are linearly formed in the rectangular magnet sheet is shown, but the shape of the magnet sheet is not limited to this and can be formed into any shape, and the size It does not matter. It is also possible to form the perforations 5 continuously in a curved manner. Furthermore, the shape of the perforations 5 is not limited to the linear slit shape, and even if it is circular, elliptical, or any other shape, it functions as a separating hole and its shape is not limited.

  According to such a magnet sheet 1, the magnet sheet 1 can be easily cut into a desired size by taking it by hand and separating it from the position of the perforation 5 and cutting off. Further, since the perforations 5 are formed at the same positions of the magnet sheet main body 2, the adhesive layer 3 and the release paper 4, it is possible to integrally separate and cut out the magnet sheet consisting of three layers. Further, the release sheet of the magnet sheet of the cut portion can be integrally peeled off. Furthermore, the sheet state is maintained without the magnet sheet piece falling off until the magnet sheet is cut out. Furthermore, burrs do not remain at the end portions of the magnet sheet pieces that are separated and cut off, and undesired tears do not occur in the magnet sheet pieces, and magnet sheet pieces excellent in beauty can be obtained. Furthermore, even if the release paper is in a peeled or non-existent state, the magnet sheet does not separate into pieces and fall off.

  Moreover, the use of the cut magnet sheet is various. For example, if it is adhered to the back surface of an object to be magnetically attached to a magnetic attachment surface such as a paper, a photograph, a sheet, a white board, a white board marker, an eraser, and a white board marker case, a magnetically attachable article can be provided. Furthermore, it is possible to provide a magnetic material that adheres to the door and the door frame, and the lid and the box to attract and hold the door and the box in the closed state.

(Example 2)
Next, a magnet sheet 10 according to another embodiment of the present invention will be described. The magnet sheet 10 is different from the magnet sheet 1 described in the first embodiment in the shape of the separation hole portion, but other than this point, since the magnet sheet 10 is the same as the magnet sheet 1 shown in the first embodiment, the description thereof is omitted.

  As shown in FIG. 5, in the magnet sheet 10 according to another embodiment of the present invention, the release sheet 40 and the adhesive layer 30 are penetrated and cut to the middle of the thickness of the magnet sheet main body 20. A plurality of cut grooves 50 as the separation portion are continuously formed at a plurality of predetermined groove widths and predetermined intervals to form perforations for separation and cutting. The incised groove 50 is a V-shaped wedge-shaped recessed groove in which a notched angle is uniformly formed. In accordance with the thickness of the magnet sheet 20, the incised grooves 50 are formed to a midway position where the magnet sheet 10 can be easily separated by hand force.

  The cut groove 50 is formed starting from the end of the magnet sheet 10, and forms the cut end 50b to provide a trigger for cutting the magnet sheet. In the present embodiment, a width of about half of the hole width of the cut groove 50 is the cut end portion 50b. Further, in the present embodiment, in the cutting grooves 50, a plurality of horizontal cutting grooves parallel to one end face of the rectangular magnet sheet 10 and a plurality of vertical cutting grooves perpendicular to the same are equally spaced. It is formed and forms a square surrounded by vertical and horizontal lines.

  In the magnet sheet 11 according to another embodiment of the present invention shown in FIG. 6, the release holes are formed through the release paper 40 and the adhesive layer 30 and reach the middle part of the thickness of the magnet sheet main body 20. A plurality of cut grooves 53 as a part are continuously formed at a plurality of predetermined groove widths and predetermined intervals to provide perforations for separation and cutting. The incised groove 53 is incised into a right triangle, and one side of the incised groove 53 is a wedge-shaped concave groove perpendicular to the magnet sheet 11. In accordance with the thickness of the magnet sheet 20, the incised groove 53 is formed to a midway position where the magnet sheet 11 can be easily separated by hand force.

  The cut groove 53 is formed starting from the end of the magnet sheet 11, forms the cut end 53b, and serves as a trigger for cutting the magnet sheet. In the present embodiment, the width of about half the hole width of the cut groove 53 is the cut end portion 53b. Further, in the present embodiment, the incised grooves 53 have a plurality of incised grooves in the horizontal direction parallel to one end face of the rectangular magnet sheet 11 and a plurality of incised grooves formed in the longitudinal direction orthogonal thereto. It is formed and forms a square 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. Furthermore, the shape of the incised grooves 50 and 53 is not limited to the wedge shape shown in FIGS. 5 and 6 above, and a recessed groove formed in a rectangular shape with a bottom or a recessed groove formed in a trapezoidal shape with a bottom Even if it is another shape etc., it functions as a separation hole part, and the shape is not limited.

  The magnet sheet of the type in which the separation hole portion is formed of the cut groove 50 as in the second embodiment is suitable for the magnet sheet consisting of the relatively thin magnet sheet main body, and the hand-made magnet is maintained while maintaining the strength of the magnet sheet. It is possible to separate and cut sheets.

(Example 3)
Next, a 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 Example 1 except that the covering layer is a color sheet (not shown) instead of the mold release paper 3 with respect to the magnet sheet 1 shown in FIGS. .

  This type of magnet sheet includes a magnet sheet main body 2 formed by molding a plastic magnet into a sheet, an adhesive layer 3 formed by applying or double-sided adhesive tape to one side of the magnet sheet main body 2, and an adhesive It is formed of a color sheet which is laminated and stuck on the layer 3 and covers 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 printing can be performed on the surface. 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. In addition, the adhesion | pasting method of a color sheet is not restricted to application | coating of an adhesive agent, and the method of affixing with a double-sided adhesive tape, Other adhesion methods, such as various lamination processing, can also be used. Furthermore, it is applicable also to the magnet sheet which does not have an adhesive bond layer and consists of a magnet sheet main body and a two-layer structure of a coating layer by film deposition of a color sheet etc.

  Also in this magnet sheet, the magnet sheet main body, the adhesive layer, and the perforations or cut grooves as separation holes penetrating the color sheet are continuously formed at a predetermined hole width and at predetermined intervals, and they are separated and cut off. It is making a perforation for.

  According to the magnet sheet of the present embodiment, it is possible to print the magnet sheet for printing and then cut it out to create a label or to create a jigsaw puzzle. Further, the decorative magnet sheet can be cut into a desired size to make a bar graph or can make various displays.

(Example 4)
Next, a magnet sheet according to another embodiment of the present invention will be described. As shown in FIG. 7, in the magnet sheet body 7 of the original fabric made of a plastic magnet formed in a sheet shape, perforations 8 as separation holes are continuous at predetermined intervals and intervals. It forms a perforation for separation and cutting. In the present embodiment, a plurality of perforations 81 in the horizontal direction parallel to one end face of the rectangular magnet sheet 1 and a plurality of perforations 82 in the vertical direction are formed at equal intervals in the present embodiment. A square is surrounded by the lines of 81 and the lines of perforations 82.

  The perforations 8 are formed starting from the end of the magnet sheet 1 to form the cut ends 8a and 8b, thereby providing a trigger for cutting off the magnet sheet. In the present embodiment, the half width of the hole width of the perforation 5 is the cut end portions 8a and 8b. Instead of the perforations 8, it is also possible to form in the magnet sheet main body 7 a cutout groove as a cutout perforation.

(Example 5)
Next, a method of manufacturing the magnet sheet will be described. The method of manufacturing the magnet sheet comprises: punching a magnet sheet 1 comprising a magnet sheet body 2, an adhesive layer 3 formed on the magnet sheet body 2, and a release paper 4 laminated on the adhesive layer 3; After being placed under the removal die, the die is stamped and the perforations 5 or the cut grooves 50 are formed by the perforation blade.

  Specifically, a plurality of punching blades are formed in the punching die, the magnet sheet 1 is disposed at a position facing the plurality of punching blades, the punching blades are pressed, and the separation holes are continuously formed in the magnet sheet. The perforations 5 are formed by forming them. In addition, select either the perforation 5 penetrating the magnet sheet 1 or the incised grooves 50 and 53 cut into the middle part of the thickness of the magnet sheet main body 2 by adjusting the pressure of the blade passing through the perforation blade and pressing pressure. Can.

  As a result, the perforations can be formed easily and reliably also in the magnet sheet having the magnet sheet body, the adhesive layer, and the covering layer, and perforations can be made. In particular, with respect to the magnet sheet 1 having layers having different properties of the magnet sheet body 2, the adhesive layer 3, and the release paper 4, it is possible to reliably form the separation hole at the same position. The finished magnet sheet 1 can be easily separated and cut out from magnet sheet pieces of a desired size.

  Further, in the present embodiment, since a cutting blade having a longer blade length than the punching blade is formed in the peripheral portion of the punching die, cutting and forming the magnet sheet 1 and punching 5 or notching grooves 50 and 53 in one die cutting. Can be formed.

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

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

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

1, 10, 11 Magnet sheet 2, 20 Magnet sheet main body 3, 30 Adhesive layer 4, 40 Release paper 5 Perforation (hole for separation)
50 notched groove (hole for separation)
51 Perforating in the horizontal direction (hole for separation)
52 Perforation in the vertical direction (hole for separation)
53 notched groove (hole for separation)
6 Magnet sheet 7 Magnet sheet main body 8 Perforation (hole for separation)
81 Perforation in the horizontal direction (hole for separation)
82 Perforation in the vertical direction (hole for separation)

Claims (10)

  A magnet sheet comprising a magnet sheet body, an adhesive layer formed on the magnet sheet body, and a covering layer laminated on the adhesive layer, wherein the magnet sheet has a plurality of separation holes A magnet sheet characterized by being formed continuously.   The magnet sheet according to claim 1, wherein the separation hole portion is a hole formed by penetrating the coating layer, the adhesive layer and the magnet sheet main body.   The magnet sheet according to claim 1, wherein the separation hole portion is a cut groove which penetrates the coating layer and the adhesive layer and reaches the middle portion of the magnet sheet main body.   The magnet sheet according to any one of claims 1 to 3, wherein the separation hole is formed starting from an end of the magnet sheet.   The magnet sheet according to any one of claims 1 to 4, wherein a plurality of separation holes are formed substantially in parallel.   The magnet sheet according to any one of claims 1 to 5, wherein a plurality of separation holes are formed substantially orthogonal to each other.   The magnet sheet according to any one of claims 1 to 6, wherein the covering layer is a release paper.   The magnet sheet according to any one of claims 1 to 6, wherein the covering layer is a color sheet.   At a position where a magnet sheet consisting of a magnet sheet body, an adhesive layer formed on the magnet sheet body, and a cover layer laminated on the adhesive layer is opposed to a plurality of punched blades formed continuously. A manufacturing method of a magnet sheet characterized by arranging and pressing a punching blade to continuously form separation holes in the magnet sheet.   A magnet sheet comprising a magnet sheet main body formed in a sheet shape, and a plurality of separation holes are continuously formed in the magnet sheet.