JPH086501A - Magnetic plate - Google Patents

Abstract

PURPOSE:To provide a magnetic plate which is easily peelable from a wall surface to which this plate is magnetically attracted by increasing the thickness over the entire part thereof. CONSTITUTION:This magnetic plate 10 is formed by sticking surface layer plates 12A, 12B on both surfaces of a planar core material 11 across this core material. The respective surface layer plates 12A, 12B are formed by sticking surface decorating sheets 14 to the surfaces of magnetizing plates 13 and sticking these magnetizing plates 13 with these surface decorating sheet 14 positioned on the outer side to the surfaces of the core material 11. Since the suitable thickness is imparted to the magnetic plate by the core material 11, the easy peeling of the magnetic plate 10 from the wall surface to which the plate is magnetically attracted is possible.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic plate used for various purposes such as display and decoration, and in particular, the present invention has a double-sided display surface or decorative surface (hereinafter simply referred to as "display surface").
That is) a magnetic plate.

[0002]

2. Description of the Related Art Conventionally, a magnetic plate of this type has a total thickness of about 1 mm, and as shown in FIG. 7, both magnetized surfaces 2 of a magnetized plate 1 which is magnetized on both sides. , 3 to which the covering sheets 4 and 5 made of synthetic resin or the like are attached.
The surface of each of the mounting sheets 4 and 5 is a display surface 6 or 7 on which characters or patterns for display or decoration are provided, and characters or patterns having different contents are printed on the display surfaces 6 or 7 by printing or the like. expressed. This magnetic plate is magnetically attracted to the wall surfaces of various device products made of magnetic materials with one display surface 6 facing the front side, and the magnetic plate is inverted when necessary and the other display surface 7 facing the front side. Magnetically attract.

[0003]

However, since the conventional magnetic plate of this kind is generally thin, it is not easy to peel it off when it is magnetically attracted to the wall surface.
There is a problem that the peeling work and the reversing work take time.

The present invention has been made in view of the above problems, and an object thereof is to provide a magnetic plate which can be easily separated from a magnetically adsorbed wall surface by increasing the overall thickness. Another object of the present invention is to provide a magnetic plate that does not easily fall off the magnetically attracted wall surface by increasing the overall thickness without increasing the overall weight. Still another object of the present invention is to use a one-sided magnetized plate as the magnetized plate, which facilitates the bonding work.
Moreover, it is a point to provide a magnetic plate capable of preventing performance deterioration due to demagnetization.

[0005]

A magnetic plate according to the present invention has a construction in which surface layers are attached to both surfaces with a plate-shaped core material sandwiched therebetween. The surface layer plate is formed by adhering a mounting sheet to the surface of a magnetizing plate, and the magnetizing plate is adhered to the surface of the core material with the surface mounting sheet facing outward.

The magnetic plate according to the invention of claim 2 is
As the core material, a synthetic resin foam is used.

The magnetic plate according to the invention of claim 3 is
As the magnetizing plate, one having a magnetized surface formed by one-sided magnetization on the surface of the cover sheet is used.

[0008]

When the magnetic plate is applied to the wall surface of various equipments made of magnetic material, the magnetic plate is attracted to the wall surface and held by the magnetic force of the magnetizing plate. Since the magnetic plate is given an appropriate thickness by the core material, the magnetic plate can be easily separated from the wall surface.

The magnetic plate according to the invention of claim 2 is
Since the core material is a lightweight synthetic resin foam, the total weight hardly increases even if the total thickness increases, and the magnetic plate magnetically attracted to the wall surface does not fall off the wall surface due to the weight.

In the magnetic plate according to the third aspect of the present invention, since the magnetized surfaces of the magnetized plates on both sides face the front side and the unmagnetized surface is located on the back side, the magnetized plates are attached to the core material. Alignment is easy, and the magnetic forces do not interact with each other between the magnetized plates, which prevents deterioration in performance due to demagnetization.

[0011]

1 shows the appearance of a magnetic plate 10 according to an embodiment of the present invention. The magnetic plate 10 in the illustrated example is
A plate-shaped core material 11 is sandwiched in the middle, and a surface layer plate 12 is provided on both surfaces thereof.
It has a structure in which A and 12B are attached by an adhesive. The core material 11 is provided to increase the overall thickness. In this embodiment, the core material 11 is made of synthetic resin foam such as polystyrene or urethane foam to increase the overall thickness. However, the weight of the whole is hardly increased. The thickness of the core material 11 is
Set it to about 1.5 mm to 2.5 mm.

Each of the surface layers 12A and 12B is about 0.5 mm to 1 mm, and as shown in FIG. 2, the surface of the magnetizing plate 13 is made of a synthetic resin sheet such as vinyl chloride. 14 are formed by bonding with an adhesive. Each of the surface layers 12A and 12B is attached to the surface of the core material 11 with an adhesive with the cover sheet 14 facing outside. The surface of each cover sheet 14 is a display surface 16A, 16B on which characters or patterns for display or decoration are applied.
Characters and designs having different contents are displayed on the display surfaces 16A and 16B by printing or the like. The surface of the cover sheet 14 may be subjected to coating treatment, if necessary.

The magnetized plate 13 has a magnetized surface 15 formed by one-sided magnetization on the surface on the side of the cover sheet 14, so that the surface on the opposite side is an unmagnetized surface 17. As shown in FIG. 3, the magnetized surface 15 is composed of strip-shaped magnetic pole arrays 18 and 19 in which the N and S polarities are alternately inverted. The magnetizing plate 13 is made by kneading a raw material such as a permanent magnet material powder such as a ferrite magnet powder and an elastic material such as rubber or elastic plastic, and rolling the mixture into a thin plate shape, which is attached to one surface of the thin plate material. The magnetized surface 1 after being magnetized
5 is formed.

FIG. 4 shows another embodiment of the present invention in which a plate-like core material 11 made of synthetic resin foam or the like is sandwiched in the middle and surface layer plates 12A and 12B are attached to both surfaces thereof. Each of the surface layers 12A and 12B has a magnetizing plate 13 and a surface mounting sheet 14 attached to the surface thereof, and the magnetizing plate 13 is attached to the surface of the core material 11 with the surface mounting sheet 14 outside. . The surface of each cover sheet 14 is a display surface 16A, 16B on which characters or patterns for display or decoration are displayed.
Is configured. The magnetizing plate 13 is provided with magnetizing surfaces 20 and 21 by double-sided magnetizing on both sides.
21 is composed of a strip-shaped magnetic pole array in which the polarities of N and S are alternately inverted.

FIG. 5 shows an example of use of the magnetic plate 10 of the present invention. In the figure, 22 is a door made of a magnetic material provided at the entrance of the conference room, and the magnetic plate 10 is magnetically attracted to the upper position of the door 22. In this magnetic plate 10, the character "empty" indicating that it is an empty room on one display surface 16A and the character "in use" indicating that it is not an empty room on the other display surface 16B are printed in different colors. There is.

When this magnetic plate 10 is applied to the surface of the door 22 with the display surface 16A facing the front side as shown in FIG. 5A, the magnetic plate 10 causes the magnetic plate 10 to move toward the door surface due to the magnetic force of the magnetizing plate 13 of the surface layer plate 12B. Adsorbed and retained. Since the magnetic plate 10 is provided with an appropriate thickness by the core material 11, it can be easily peeled from the door surface. When this magnetic plate 10 is turned over and the display surface 16B is made to face the front side and is brought into contact with the surface of the door 22 as shown in FIG. Adsorbed and retained.

The magnetic plate of the present invention may be provided on the market as a product in which predetermined characters and patterns are printed on the display surfaces 16A and 16B as in the above-described embodiment, but as shown in FIG. As shown in FIG. 2, a large-sized plate material 23 having the same laminated structure as the above is supplied to the market as a product, and after the customer cuts it into a desired size as shown by a broken line 24, both of the cut pieces 25 are cut. A desired character or pattern may be written on the display surface with an appropriate writing tool.

[0018]

As described above, according to the present invention, a surface layer plate is stuck on both sides with a plate-shaped core material sandwiched in the middle, and the surface layer plate has a mounting sheet attached on the surface of a magnetizing plate. Since the magnetizing plate is attached to the surface of the core material with the exterior sheet facing outside, the magnetic plate is given an appropriate thickness by the core material, and the magnetic plate can be easily formed from the magnetically adsorbed wall surface. It can be peeled off.

According to the second aspect of the present invention, since the lightweight synthetic resin foam is used as the core material, the weight of the whole is hardly increased even if the total thickness is increased, and the magnetic plate magnetically attracted to the wall surface is formed. There is no risk of falling off the wall surface due to its weight.

According to the third aspect of the present invention, since the magnetizing plate has a magnetizing surface formed by single-sided magnetizing on the surface on the side of the mounting sheet, each magnetizing surface of the magnetizing plates on both sides is the front side. Since the non-magnetized surface is located on the opposite side to the orientation, when the magnetized plates are attached to the core material, there is no fear that the attaching work will be hindered by the attractive force or repulsive force due to magnetism. Moreover, since the magnetic forces do not interact with each other between the magnetizing plates, it is possible to prevent the performance from being deteriorated due to demagnetization.

[Brief description of drawings]

FIG. 1 is a perspective view of a magnetic plate according to an embodiment of the present invention.

2 is a cross-sectional view of the embodiment of FIG.

FIG. 3 is an explanatory diagram showing a magnetic pole array on a magnetized surface of a magnetized plate.

FIG. 4 is a sectional view showing another embodiment of the present invention.

FIG. 5 is an explanatory diagram showing an example of use of the magnetic plate of the present invention.

FIG. 6 is a perspective view showing another embodiment of the present invention.

FIG. 7 is a cross-sectional view showing a configuration of a conventional magnetic plate.

[Explanation of symbols]

 10 magnetic plate 11 core material 12A, 12B surface layer plate 13 magnetizing plate 14 surface mounting sheet 15 magnetizing surface

[Procedure amendment]

[Submission date] July 27, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

[0011]

1 shows the appearance of a magnetic plate 10 according to an embodiment of the present invention. The magnetic plate 10 in the illustrated example is
A plate-shaped core material 11 is sandwiched in the middle, and a surface layer plate 12 is provided on both surfaces thereof.
It has a structure in which A and 12B are attached by an adhesive. The core material 11 is provided to increase the overall thickness. In this embodiment, synthetic resin foam such as polyethylene or urethane foam is used as the core material 11 to increase the overall thickness. However, the weight of the whole is hardly increased. The thickness of the core material 11 is
It is set to about 1.5 mm to 2.5 mm.

Claims (3)

[Claims] 1. A surface layer plate is attached to both surfaces with a plate-shaped core material sandwiched therebetween, and the surface layer plate is formed by attaching a surface mounting sheet to the surface of a magnetizing plate, A magnetic plate formed by laminating the magnetizing plate on the surface of a core material on the outside. 2. The magnetic plate according to claim 1, wherein the core material is a synthetic resin foam. 3. The magnetic plate according to claim 1, wherein the magnetizing plate has a magnetized surface formed by single-sided magnetizing on a surface of a surface mounting sheet side.