WO2022145230A1 - Underlay - Google Patents

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Publication number
WO2022145230A1
WO2022145230A1 PCT/JP2021/046249 JP2021046249W WO2022145230A1 WO 2022145230 A1 WO2022145230 A1 WO 2022145230A1 JP 2021046249 W JP2021046249 W JP 2021046249W WO 2022145230 A1 WO2022145230 A1 WO 2022145230A1
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WO
WIPO (PCT)
Prior art keywords
protrusions
underlay
substrate
writing
pitch
Prior art date
Application number
PCT/JP2021/046249
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French (fr)
Japanese (ja)
Inventor
淳一 ▲高▼橋
賢一 鴨下
武志 小玉
匡紘 金谷
拓也 東恩納
圭司 荻野
知義 ▲高▼橋
香代子 戸塚
美咲 川崎
Original Assignee
株式会社オフィスサニー
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Application filed by 株式会社オフィスサニー filed Critical 株式会社オフィスサニー
Priority to JP2022572987A priority Critical patent/JPWO2022145230A1/ja
Publication of WO2022145230A1 publication Critical patent/WO2022145230A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L3/00—Writing or drawing underlays, e.g. blotting pads

Definitions

  • the present invention relates to an underlay in which a plurality of protrusions are formed on at least one surface of a flat plate.
  • Patent Document 1 describes an underlay (“underlay” in Patent Document 1) in which a plurality of protrusions are arranged on the surface of a flat plate. The bottom surface of this protrusion is quadrangular or octagonal, and the tip side is squeezed. Between the plurality of protrusions, a grid-like guide groove for guiding the tip of the writing tool is used. The manuscript is placed on the surface of this underlay. When the writing tool is scanned from above the document, the tip of the writing tool is guided by the guide groove, and parallel lines or orthogonal lines are drawn on the document without using a ruler or the like.
  • the underlay may be used when coloring.
  • a writing instrument such as a colored pencil may slip too much and be painted out of a predetermined line.
  • the present invention provides an underlay that not only enables characters to be arranged and written, but also promotes adjustment of writing pressure and stability of writing, improves writing disorders, and improves writing ability. The purpose.
  • the underlay according to the present invention is With a plastic board, A plurality of evenly spaced dot-patterned protrusions densely packed on at least one surface of the substrate, Equipped with The plurality of protrusions are formed at intervals and heights that can be scanned by the writing instrument.
  • the plurality of protrusions are formed on the substrate by thick printing.
  • the plurality of protrusions are arranged in an equilateral triangle mesh-like close-packed array or a quadrangular mesh-like lattice array.
  • the plurality of protrusions are formed on the inside excluding the outer peripheral edge portion of the substrate.
  • Each of the protrusions is formed in the shape of a cone.
  • Each of the protrusions has a diameter of 0.6 mm and a pitch of 1.0 mm, a diameter of 0.9 mm and a pitch of 1.3 mm, or a diameter of 1.2 mm and a pitch of 1.9 mm, and has a height of 1.9 mm. It is formed to 0.05 mm.
  • Each protrusion has a diameter of 0.3 mm to 2.0 mm, a pitch of 0.4 mm to 3.0 mm, and a height of 0.02 mm to 0.2 mm.
  • an underlay that not only enables characters to be arranged and written, but also promotes adjustment of writing pressure and stability of writing, improves writing disorders, and improves writing ability. be able to.
  • FIG. 1 is an enlarged perspective view of a main part showing an embodiment of an underlay according to the present invention.
  • FIG. 2 is a front view showing an embodiment of the underlay according to the present invention.
  • FIG. 3 is an enlarged perspective view of a main part showing an embodiment of the underlay according to the present invention.
  • FIG. 4 is an enlarged front view of a main part showing an embodiment of the underlay according to the present invention.
  • the underlay of this embodiment includes a plastic substrate 1 and a plurality of protrusions 2.
  • This underlay is used in B5 and A4 notebooks, or placed under a piece of paper. Characters are written on the paper layered on the surface of the underlay with a writing tool such as a pencil (hereinafter, mainly referred to as a "pencil").
  • the substrate 1 is one size larger than the B5 plate or the A4 plate, and is a rectangular thin flat plate sandwiched between notebook papers. Each corner of the flat plate is formed in an arc shape for safe use.
  • the underlay is transparent or translucently molded from various plastics such as polyethylene terephthalate (PET), hard polyvinyl chloride, and soft polyvinyl chloride.
  • the plurality of protrusions 2 are formed in a densely spaced dot pattern on one side of the surface side of the substrate 1.
  • “Dense” means that the distance between the adjacent protrusions 2 and the protrusions 2 and the width of each protrusion 2 are arranged to be the same or almost the same.
  • “Equally spaced” means that a plurality of protrusions 2 are arranged at the same spacing around one protrusion 2.
  • One side of the back surface side of the substrate 1 is formed flat.
  • the plurality of protrusions 2 are formed in a conical shape.
  • the plurality of protrusions 2 are formed with a diameter, pitch (length between the vertices of adjacent protrusions 2) and height so that characters can be written with a pencil on the paper stacked on the underlay.
  • the plurality of protrusions 2 are arranged in an equilateral triangle mesh-like fine arrangement. That is, equilateral triangular units having a side of 1.3 mm are arranged side by side on one side of the substrate 1, and protrusions 2 are arranged at each apex of each unit. In this protrusion 2, six protrusions 2 are arranged at equal intervals of 60 ° around one protrusion 2. On one side of the substrate 1, equilateral triangular units are arranged so as to be adjacent to each other, and adjacent protrusions 2 are arranged in a fine arrangement such that they are densely arranged at a pitch of 1.3 mm. As described above, the plurality of protrusions 2 shown in FIG. 4 are formed like a shark skin. Therefore, the plurality of protrusions 2 arranged in an equilateral triangle mesh-like fine arrangement are formed on the substrate 1 at equal intervals and densely.
  • a large number of groove-shaped lines are formed between the plurality of protrusions 2 arranged adjacent to each other and the protrusions 2.
  • the groove-shaped lines include a plurality of horizontal lines La oriented parallel to the upper and lower sides of the substrate 1, a plurality of diagonal lines Lb inclined at an angle of 30 ° with respect to the upper and lower sides of the substrate 1, and the upper side and the lower side of the substrate 1. It is formed as if a plurality of diagonal lines Lc inclined at an angle of 150 ° with respect to the lower side are drawn.
  • the plurality of protrusions 2 are formed by thick printing on the substrate 1.
  • thick printing UV transparent ink that is cured by ultraviolet rays is dropped on one side of the substrate 1 at equal intervals, so that the cone-shaped protrusions 2 can be formed in a dot pattern. Therefore, the plurality of protrusions 2 are formed inside the substrate 1 except for the outer peripheral edge portion 1a. That is, the plurality of protrusions 2 are not formed on the outer peripheral edge portion 1a of the substrate 1.
  • the plurality of protrusions 2 formed by UV thick printing have excellent wear resistance and are not easily scratched. As shown in FIG. 3, the top surface of the conical protrusion 2 is formed into a fillet-like smooth curved surface having no corners. Therefore, the tip of the pencil does not hit the top surface of the protrusion 2 through the paper and moves smoothly on the paper.
  • This shitajiki is configured as described above.
  • the underlay is sandwiched between the papers of a notebook, or a sheet of paper is layered on top of the underlay, or is used in any other way. In either method, the paper is placed on the plurality of protrusions 2 of the underlay.
  • This underlay is used, for example, for users with disabilities who are handicapped to write letters and children who are not familiar with writing letters to practice writing letters.
  • the user of the underlay moves the tip of the pencil on the paper on the underlay.
  • the user can practice brush strokes by receiving a slight resistance feeling due to the plurality of protrusions 2 through the paper. That is, this shitajiki not only makes it possible to arrange and write characters, but also promotes adjustment of writing pressure and stability of writing, improving writing disorders and improving writing ability.
  • the characters include many curved parts such as "splash” and "harai”.
  • this underlay a plurality of protrusions 2 are formed in an equilateral triangle mesh-like fine arrangement. Therefore, the user of this underlay can move the pencil so that the tip of the pencil is curved.
  • the user of this shitajiki can practice writing characters including "splash” and "harai” in this shitajiki. When you no longer need to practice writing with this underlay, you can use the back side as a normal underlay.
  • the embodiment of the underlay according to the present invention is not limited to the above contents, and includes deformation, improvement, and the like to the extent that the object of the present invention can be achieved.
  • the plurality of protrusions 2 are arranged in an equilateral triangle mesh-like fine arrangement.
  • the plurality of protrusions 2 may be arranged in a quadrangular mesh-like grid arrangement.
  • the "equal spacing" in the plurality of protrusions 2 shown in FIG. 5 means that four protrusions 2 are arranged at an equal angle of 90 ° around one central protrusion 2, and the central protrusion 2 and its surroundings are arranged. It means that the four protrusions 2 are spaced at the same distance.
  • protrusions 2 are arranged at each apex of a square unit having a side of 1.0 mm on one side of the substrate 1.
  • the substrate 1 On one side of the substrate 1, square units are arranged so as to be adjacent to each other, and adjacent protrusions 2 are arranged in a grid arrangement at a pitch of 1.0 mm. Therefore, the plurality of protrusions 2 shown in FIG. 5 are arranged in a quadrangular mesh-like lattice arrangement. Therefore, the plurality of protrusions 2 arranged in a quadrangular mesh-like lattice arrangement are formed on the substrate 1 at equal intervals and densely.
  • a plurality of protrusions 2 are formed so as to be densely arranged in a quadrangular mesh-like lattice arrangement.
  • a large number of groove-shaped lines are formed vertically and horizontally between the protrusions 2 and the protrusions 2 which are arranged side by side so as to be densely arranged in a grid arrangement.
  • the groove-shaped line is formed in a grid pattern by a plurality of horizontal lines Lx parallel to the upper and lower sides of the substrate 1 and vertical lines Ly parallel to the left and right sides of the substrate 1.
  • the plurality of protrusions 2 may be arranged in a rectangular grid-like grid arrangement.
  • the protrusions 2 adjacent to each other in the horizontal direction are arranged at equal intervals
  • the protrusions 2 adjacent to each other in the vertical direction are arranged at equal intervals
  • the distances between the protrusions in the vertical direction and the protrusions in the horizontal direction are different.
  • the plurality of protrusions may be a unit in which the protrusions 2 are arranged at each corner of the hexagon and worshiped in a honeycomb pattern.
  • the plurality of protrusions 2 are arranged so as to be adjacent to each other at an angle of 120 ° at equal intervals.
  • the distance between the adjacent protrusions 2 is 1.3 mm to 1.0 mm, regardless of whether the grid is a rectangular quadrangular mesh or a hexagonal honeycomb pattern.
  • the protrusion 2 is formed in the shape of a conical head of a fillet on the top surface.
  • the protrusion 2 may be formed in a conical shape with a top surface having an angle.
  • the protrusion 2 may be formed in the shape of a square pyramid having a fret or a square pyramid having no fillet.
  • the plurality of protrusions 2 are formed by thick printing.
  • the plurality of protrusions 2 may be formed by injection molding, embossing, or the like.
  • the protrusion 2 may be formed up to the edge of the substrate 1.
  • the embossed underlay has a plurality of recesses formed on the back surface, but if the back surface is not used, it does not hinder the practice of writing.
  • each protrusion 2 has a diameter of 0.6 mm, a pitch of 1.0 mm, and a height of 0.05 mm.
  • each protrusion 2 is formed with a diameter of 0.9 mm and a pitch of 1.3 mm, or a diameter of 1.2 mm and a pitch of 1.9 mm, and a height of 0.05 mm.
  • the size of the protrusions 2 and the pitch interval are not limited. That is, the dense protrusions 2 may be formed within the range of a diameter of 0.3 mm to 2.0 mm, a pitch of 0.4 mm to 3.0 mm, and a height of 0.02 mm to 0.2 mm.
  • the substrate 1 is not limited to the size of the B5 plate or the A4 plate, and various sizes such as the size of the B4 plate or the size of the A5 plate may be provided.
  • various types of underlays with various sizes of substrates 1 and protrusions 2 the degree of disability of persons with disabilities who use these underlays and the diameter according to the level of children who want to improve their writing ability can be adjusted. You can choose from the underlays on which the pitch protrusions 2 are formed.
  • the plurality of protrusions 2 are formed on one side of the substrate 1.
  • the plurality of protrusions 2 may be formed not only on the front surface of the substrate 1 but also on the back surface, that is, on both sides.
  • the diameter, pitch, and height of the protrusions 2 may be different between the front surface and the back surface.
  • the protrusions may be arranged in an equilateral triangle mesh-like grid arrangement on the front surface of the underlay, and the protrusions may be arranged in a quadrangular mesh-like grid arrangement on the back surface.
  • the underlay has a plurality of protrusions 2 formed on one substrate 1.
  • the underlay may be a plastic substrate 1 having a plurality of protrusions 2 formed therein and a plastic substrate 1 having a plurality of protrusions 2 formed or not formed sandwiching various sheets.
  • the sheet is adopted from various materials such as paper, a metal plate such as iron and steel, a non-iron metal plate such as copper and aluminum alloy, a wood plate, a rubber plate, and a cloth. Such a sheet is sandwiched between two substrates 1 like a pouch. Further, for example, on paper or the like, Chinese characters learned in the first grade of elementary school may be described.
  • a pencil was used as an example as a writing tool.
  • the writing tool such as a ballpoint pen, a fountain pen, or a felt-tip pen, may be selected.
  • this underlay can be preferably used by persons with disabilities and children, it may be used for rehabilitation such as cerebral infarction and hemiplegia.
  • this underlay may be used for coloring because it can promote the adjustment of the writing pressure and the stability of the brush stroke.
  • the underlay to which the present invention is applied need only have the following configuration, and various embodiments can be taken.
  • the underlay according to the present invention is Plastic substrate 1 and A plurality of protrusions 2 having an evenly spaced dot pattern densely packed on one surface of the substrate 1 and Equipped with The plurality of protrusions 2 are formed at intervals and heights that can be scanned by the writing instrument.
  • the plurality of protrusions 2 are formed on the substrate 1 by thick printing.
  • This underlay can be formed evenly by densely forming small protrusions 2 by thick printing.
  • the plurality of protrusions 2 are arranged in an equilateral triangle mesh-like close-packed arrangement or a quadrangular mesh-like lattice arrangement.
  • the protrusions 2 are arranged in a close-packed arrangement in the shape of an equilateral triangle mesh, so that curved parts such as "splashes” and "harai" of characters can be successfully drawn.
  • the plurality of protrusions 2 are formed inside the substrate 1 except for the outer peripheral edge portion 1a.
  • each of the protrusions 2 is formed in a conical shape.
  • the protrusion 2 is formed in the shape of a cone, it is possible to prevent the writing tool from being struck by the protrusion 2.
  • Each of the protrusions 2 has a diameter of 0.6 mm and a pitch of 1.0 mm, a diameter of 0.9 mm and a pitch of 1.3 mm, or a diameter of 1.2 mm and a pitch of 1.9 mm, and has a height. Is formed to 0.05 mm.
  • the underlay according to the present invention can be selected from underlays having protrusions 2 having a diameter and a pitch according to the degree of disability of the person with a disability to be used and the level of a child who wants to improve the learning ability of writing.
  • Each protrusion 2 is formed within a range of a diameter of 0.3 mm to 2.0 mm, a pitch of 0.4 mm to 3.0 mm, and a height of 0.02 mm to 0.2 mm.

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  • Toys (AREA)

Abstract

Provided is an underlay with which handwriting defects can be improved and handwriting learning ability can be enhanced. This underlay comprises: a plastic substrate 1; and a plurality of protrusions 2 which are formed close together in an equal interval dot pattern on at least one surface of the substrate 1. The plurality of protrusions 2 are formed at intervals and with a height that allows a writing instrument to scan therethrough. The plurality of protrusions 2 are formed on the substrate 1 by thick raised printing. The plurality of protrusions 2 are arranged in an equilateral triangle-shaped mesh-like dense array. The plurality of protrusions 2 are formed inward on the substrate 1 excluding an outer peripheral edge 1a. Each protrusion 2 is formed in a truncated cone shape.

Description

下敷きShitajiki
　本発明は、平板の少なくとも片面に複数の突起を形成した下敷きに関する。 The present invention relates to an underlay in which a plurality of protrusions are formed on at least one surface of a flat plate.
　平板の片面に複数の突起を形成した下敷きが種々提供されている。例えば、特許文献１には、平板の表面に複数の突起を配列した下敷き（特許文献１では「下敷」）が記載されている。この突起は、底面形状が四角形や八角形とされ、先端側が先窄みとされている。複数の突起間は、筆記具の先端を案内する格子状の案内溝とされる。この下敷きの表面には、原稿が置かれる。原稿の上から筆記具が走査されると、筆記具の先端が案内溝に案内され、定規などを用いなくても、原稿上に平行線や直交線などが描かれる。 Various underlays with multiple protrusions formed on one side of a flat plate are provided. For example, Patent Document 1 describes an underlay (“underlay” in Patent Document 1) in which a plurality of protrusions are arranged on the surface of a flat plate. The bottom surface of this protrusion is quadrangular or octagonal, and the tip side is squeezed. Between the plurality of protrusions, a grid-like guide groove for guiding the tip of the writing tool is used. The manuscript is placed on the surface of this underlay. When the writing tool is scanned from above the document, the tip of the writing tool is guided by the guide groove, and parallel lines or orthogonal lines are drawn on the document without using a ruler or the like.
特公平３－６２１５９号公報Special Fair 3-62159 Gazette
　特許文献１に記載された下敷きは、原稿上に平行線や直交線などを描けるように四角錘状の突起などが平板状の表面に配列されている。一方、文字を上手く書けない障碍者や、文字を上手く書く練習をしたい小児が、複数の突起を有する下敷きを使用して、書字障害の改善や書字学習能力の向上を図るという事例がある。文字には、「はね」や「はらい」などのカーブした部位が多く含まれている。したがって、平行線や直交線などを描けるようにした下敷きにあっては、書字障害を改善したり、書字学習能力を向上させたりするために使用しにくい。 In the underlay described in Patent Document 1, square pyramidal protrusions and the like are arranged on a flat plate-like surface so that parallel lines and orthogonal lines can be drawn on the document. On the other hand, there are cases where people with disabilities who cannot write well and children who want to practice writing well use an underlay with multiple protrusions to improve their writing disabilities and their ability to learn writing. .. The characters include many curved parts such as "splash" and "harai". Therefore, it is difficult to use an underlay that allows parallel lines and orthogonal lines to be drawn in order to improve dysgraphia and improve writing ability.
　また、塗り絵をするときに下敷きを使用される場合がある。従来の一般的な下敷きを使用すると、色鉛筆などの筆記具が滑り過ぎ、所定の線からはみ出して色が塗られることがある。 In addition, the underlay may be used when coloring. When a conventional general underlay is used, a writing instrument such as a colored pencil may slip too much and be painted out of a predetermined line.
　本発明は、文字を整えて書けるようになるだけでなく、筆圧の調整や運筆の安定を促し、書字障害を改善したり、書字学習能力を向上させたりする下敷を提供することを目的とする。 The present invention provides an underlay that not only enables characters to be arranged and written, but also promotes adjustment of writing pressure and stability of writing, improves writing disorders, and improves writing ability. The purpose.
　本発明に係る下敷きは、
　プラスチック製の基板と、
　前記基板の少なくとも片面に密集した等間隔ドットパターン状の複数の突起と、
　を備え、
　前記複数の突起は、筆記具が走査可能な間隔及び高さで形成されている。 The underlay according to the present invention is
With a plastic board,
A plurality of evenly spaced dot-patterned protrusions densely packed on at least one surface of the substrate,
Equipped with
The plurality of protrusions are formed at intervals and heights that can be scanned by the writing instrument.
　本発明に係る下敷きにおいて、
　前記複数の突起は、前記基板に厚盛印刷によって形成されている。
　本発明に係る下敷きにおいて、
　前記複数の突起は、正三角形網目状の最密配列又は四角形網目状の格子配列に並べられている。
　本発明に係る下敷きにおいて、
　前記複数の突起は、前記基板の外周縁部を除いた内側に形成されている。
　本発明に係る下敷きにおいて、
　前記各突起は、截頭円錐状に形成されている。 In the underlay according to the present invention
The plurality of protrusions are formed on the substrate by thick printing.
In the underlay according to the present invention
The plurality of protrusions are arranged in an equilateral triangle mesh-like close-packed array or a quadrangular mesh-like lattice array.
In the underlay according to the present invention
The plurality of protrusions are formed on the inside excluding the outer peripheral edge portion of the substrate.
In the underlay according to the present invention
Each of the protrusions is formed in the shape of a cone.
　本発明に係る下敷きにおいて、
　前記各突起は、直径が０．６ｍｍかつピッチが１．０ｍｍ、直径が０．９ｍｍかつピッチが１．３ｍｍ、又は直径が１．２ｍｍかつピッチが１．９ｍｍに形成され、かつ、高さが０．０５ｍｍに形成されている。 In the underlay according to the present invention
Each of the protrusions has a diameter of 0.6 mm and a pitch of 1.0 mm, a diameter of 0.9 mm and a pitch of 1.3 mm, or a diameter of 1.2 mm and a pitch of 1.9 mm, and has a height of 1.9 mm. It is formed to 0.05 mm.
　本発明に係る下敷きにおいて、
　各突起は、直径が０．３ｍｍ～２．０ｍｍ、ピッチが０．４ｍｍ～３．０ｍｍ、高さが０．０２ｍｍ～０．２ｍｍの範囲内で形成されている。 In the underlay according to the present invention
Each protrusion has a diameter of 0.3 mm to 2.0 mm, a pitch of 0.4 mm to 3.0 mm, and a height of 0.02 mm to 0.2 mm.
　本発明によれば、文字を整えて書けるようになるだけでなく、筆圧の調整や運筆の安定を促し、書字障害を改善したり、書字学習能力を向上させたりする下敷きを提供することができる。 According to the present invention, there is provided an underlay that not only enables characters to be arranged and written, but also promotes adjustment of writing pressure and stability of writing, improves writing disorders, and improves writing ability. be able to.
本発明に係る下敷きの一実施形態を示す要部拡大斜視図である。It is an enlarged perspective view of the main part which shows one Embodiment of the underlay which concerns on this invention. 本発明に係る下敷きの一実施形態を示す正面図である。It is a front view which shows one Embodiment of the underlay which concerns on this invention. 本発明に係る下敷きの一実施形態を示す要部拡大斜視図である。It is an enlarged perspective view of the main part which shows one Embodiment of the underlay which concerns on this invention. 本発明に係る下敷きの一実施形態を示す要部拡大正面図である。It is an enlarged front view of the main part which shows one Embodiment of the underlay which concerns on this invention. 本発明に係る下敷きの他実施形態を示す要部拡大正面図である。It is an enlarged front view of the main part which shows the other embodiment of the underlay which concerns on this invention.
　以下、本発明に係る下敷きの一実施形態について図１乃至図４を参照しながら説明する。図１は、本発明に係る下敷きの一実施形態を示す要部拡大斜視図である。図２は、本発明に係る下敷きの一実施形態を示す正面図である。図３は、本発明に係る下敷きの一実施形態を示す要部拡大斜視図である。図４は、本発明に係る下敷きの一実施形態を示す要部拡大正面図である。 Hereinafter, an embodiment of the underlay according to the present invention will be described with reference to FIGS. 1 to 4. FIG. 1 is an enlarged perspective view of a main part showing an embodiment of an underlay according to the present invention. FIG. 2 is a front view showing an embodiment of the underlay according to the present invention. FIG. 3 is an enlarged perspective view of a main part showing an embodiment of the underlay according to the present invention. FIG. 4 is an enlarged front view of a main part showing an embodiment of the underlay according to the present invention.
　この実施形態の下敷きは、プラスチック製の基板１と、複数の突起２と、を備えている。この下敷きは、Ｂ５版やＡ４版のノートにおいて、あるいは、１枚の紙の下に置かれて使用される。下敷きの表面に重ねられた紙には、鉛筆などの筆記具（以下、主として「鉛筆」として説明する。）によって文字が書かれる。 The underlay of this embodiment includes a plastic substrate 1 and a plurality of protrusions 2. This underlay is used in B5 and A4 notebooks, or placed under a piece of paper. Characters are written on the paper layered on the surface of the underlay with a writing tool such as a pencil (hereinafter, mainly referred to as a "pencil").
　図１及び図２に示すように、基板１は、Ｂ５版あるいはＡ４版よりも一回り大きく、ノートの紙と紙とに挟まれる長方形状の薄い平板である。平板の各コーナは、安全に使用できるように円弧形に形成される。下敷きは、ポリエチレンテレフタレート（ＰＥＴ）、硬質ポリ塩化ビニル、軟質ポリ塩化ビニルなど種々のプラスチックによって透明乃至半透明に成形される。 As shown in FIGS. 1 and 2, the substrate 1 is one size larger than the B5 plate or the A4 plate, and is a rectangular thin flat plate sandwiched between notebook papers. Each corner of the flat plate is formed in an arc shape for safe use. The underlay is transparent or translucently molded from various plastics such as polyethylene terephthalate (PET), hard polyvinyl chloride, and soft polyvinyl chloride.
　複数の突起２は、基板１の表面側の片面に密集した等間隔のドットパターン状に形成される。「密集」とは、隣り合っている突起２と突起２の間隔と、各突起２の幅と、が同じ又はほぼ同じ程度に配置されていることをいう。「等間隔」とは、ある一つの突起２の周りに複数の突起２が同じ間隔で配置されていることをいう。基板１の裏面側の片面は、平坦に形成される。複数の突起２は、截頭円錐状に形成される。複数の突起２は、下敷きに重ねられた紙上に鉛筆によって文字を書けるような直径、ピッチ（隣り合う突起２の頂点間の長さ）及び高さで形成される。 The plurality of protrusions 2 are formed in a densely spaced dot pattern on one side of the surface side of the substrate 1. "Dense" means that the distance between the adjacent protrusions 2 and the protrusions 2 and the width of each protrusion 2 are arranged to be the same or almost the same. "Equally spaced" means that a plurality of protrusions 2 are arranged at the same spacing around one protrusion 2. One side of the back surface side of the substrate 1 is formed flat. The plurality of protrusions 2 are formed in a conical shape. The plurality of protrusions 2 are formed with a diameter, pitch (length between the vertices of adjacent protrusions 2) and height so that characters can be written with a pencil on the paper stacked on the underlay.
　図４にも示すように、複数の突起２は、正三角形網目状の細密配列に並べられる。すなわち、基板１の片面には、一辺が１．３ｍｍの正三角形のユニットが隣り合って並べられ、各ユニットの各頂点に突起２が配置される。この突起２は、ある一つの突起２の周りに６個の突起２が６０°の等角度で等間隔に配置される。基板１の片面には、正三角形のユニットが隣り合うように並べられ、隣り合う突起２が１．３ｍｍのピッチで密集するような細密配列に並べられる。このように図４に示す複数の突起２は、鮫皮のように形成される。よって、正三角形網目状の細密配列に並べられた複数の突起２は、等間隔かつ密集して基板１に形成される。 As shown in FIG. 4, the plurality of protrusions 2 are arranged in an equilateral triangle mesh-like fine arrangement. That is, equilateral triangular units having a side of 1.3 mm are arranged side by side on one side of the substrate 1, and protrusions 2 are arranged at each apex of each unit. In this protrusion 2, six protrusions 2 are arranged at equal intervals of 60 ° around one protrusion 2. On one side of the substrate 1, equilateral triangular units are arranged so as to be adjacent to each other, and adjacent protrusions 2 are arranged in a fine arrangement such that they are densely arranged at a pitch of 1.3 mm. As described above, the plurality of protrusions 2 shown in FIG. 4 are formed like a shark skin. Therefore, the plurality of protrusions 2 arranged in an equilateral triangle mesh-like fine arrangement are formed on the substrate 1 at equal intervals and densely.
　隣り合って並んだ複数の突起２と突起２との間には、溝状のラインが多数本形成される。溝状のラインは、基板１の上辺・下辺と平行な向きの複数の横線Ｌａと、基板１の上辺・下辺に対して３０°の角度に傾いた複数の斜線Ｌｂと、基板１の上辺・下辺に対して１５０°の角度に傾いた複数の斜線Ｌｃとが引かれたように形成される。 A large number of groove-shaped lines are formed between the plurality of protrusions 2 arranged adjacent to each other and the protrusions 2. The groove-shaped lines include a plurality of horizontal lines La oriented parallel to the upper and lower sides of the substrate 1, a plurality of diagonal lines Lb inclined at an angle of 30 ° with respect to the upper and lower sides of the substrate 1, and the upper side and the lower side of the substrate 1. It is formed as if a plurality of diagonal lines Lc inclined at an angle of 150 ° with respect to the lower side are drawn.
　複数の突起２は、基板１に厚盛印刷することによって形成される。厚盛印刷は、基板１の片面に紫外線によって硬化するＵＶ透明インキを等間隔に滴下することで、截頭円錐状の突起２をドットパターン状に形成することができる。したがって、複数の突起２は、基板１の外周縁部１ａを除いた内側に形成されている。すなわち、複数の突起２は、基板１の外周縁部１ａには形成されていない。ＵＶ厚盛印刷によって形成された複数の突起２は、耐摩耗性に優れ、キズがつきにくい。図３に示すように、截頭円錐状の突起２の頂面は、角（かど）がないフィレット状の滑らかな曲面に形成される。したがって、鉛筆の芯先は、紙を介して突起２の頂面で突（つ）っかかることがなく、紙上をスムーズに移動する。 The plurality of protrusions 2 are formed by thick printing on the substrate 1. In thick printing, UV transparent ink that is cured by ultraviolet rays is dropped on one side of the substrate 1 at equal intervals, so that the cone-shaped protrusions 2 can be formed in a dot pattern. Therefore, the plurality of protrusions 2 are formed inside the substrate 1 except for the outer peripheral edge portion 1a. That is, the plurality of protrusions 2 are not formed on the outer peripheral edge portion 1a of the substrate 1. The plurality of protrusions 2 formed by UV thick printing have excellent wear resistance and are not easily scratched. As shown in FIG. 3, the top surface of the conical protrusion 2 is formed into a fillet-like smooth curved surface having no corners. Therefore, the tip of the pencil does not hit the top surface of the protrusion 2 through the paper and moves smoothly on the paper.
　この下敷きは、以上のように構成される。この下敷きは、ノートの紙と紙との間に挟まれて、あるいは、下敷きの上に１枚の紙を重ねられて、あるいは、その他の任意の方法で使用される。いずれの方法であっても、下敷きの複数の突起２の上に紙を重ねる。この下敷きは、例えば、文字を書くのに不自由な障碍者や、文字を書きなれていない小児などの使用者が文字を書く練習をするために使用する。 This shitajiki is configured as described above. The underlay is sandwiched between the papers of a notebook, or a sheet of paper is layered on top of the underlay, or is used in any other way. In either method, the paper is placed on the plurality of protrusions 2 of the underlay. This underlay is used, for example, for users with disabilities who are handicapped to write letters and children who are not familiar with writing letters to practice writing letters.
　下敷きの使用者は、鉛筆の芯先を下敷き上の紙の上で動かす。使用者は、紙を介して複数の突起２によってわずかな抵抗感を受けることにより、運筆の練習をすることができる。すなわち、この下敷きは、文字を整えて書けるようになるだけでなく、筆圧の調整や運筆の安定を促し、書字障害を改善したり、書字学習能力を向上させたりすることができる。 The user of the underlay moves the tip of the pencil on the paper on the underlay. The user can practice brush strokes by receiving a slight resistance feeling due to the plurality of protrusions 2 through the paper. That is, this shitajiki not only makes it possible to arrange and write characters, but also promotes adjustment of writing pressure and stability of writing, improving writing disorders and improving writing ability.
　文字は、「はね」や「はらい」などのカーブした部位を多く含んでいる。この下敷きは、複数の突起２を正三角形網目状の細密配列に形成している。したがって、この下敷きの使用者は、鉛筆の芯先がカーブするように鉛筆を動かすことができる。この下敷きの使用者は、この下敷きでは、「はね」や「はらい」などを含む文字の運筆の練習をすることができる。この下敷きを使用して文字を書く練習をする必要がなくなったときは、裏面を通常の下敷きとして使用することができる。 The characters include many curved parts such as "splash" and "harai". In this underlay, a plurality of protrusions 2 are formed in an equilateral triangle mesh-like fine arrangement. Therefore, the user of this underlay can move the pencil so that the tip of the pencil is curved. The user of this shitajiki can practice writing characters including "splash" and "harai" in this shitajiki. When you no longer need to practice writing with this underlay, you can use the back side as a normal underlay.
　本発明に係る下敷きの実施の形態は、前記内容に限定されるものではなく、本発明の目的を達成できる範囲で変形や改良などを含む。 The embodiment of the underlay according to the present invention is not limited to the above contents, and includes deformation, improvement, and the like to the extent that the object of the present invention can be achieved.
　前記実施の形態では、複数の突起２は正三角形網目状の細密配列に並べられるとした。しかし、図５に示すように、複数の突起２は、四角形網目状の格子配列に並べられてもよい。この図５に示す複数の突起２における「等間隔」とは、中心の一つの突起２の周りに４個の突起２が９０°の等角度で配置され、中心の突起２とその周りに配置された４個の突起２とが同じ間隔にされていることをいう。例えば、この下敷きでは、基板１の片面に、一辺が１．０ｍｍの正方形のユニットの各頂点に突起２が配置される。基板１の片面には、正方形のユニットが隣り合うように並べられ、隣り合う突起２が１．０ｍｍのピッチで格子配列に並べられる。したがって、図５に示す複数の突起２は、四角形網目状の格子配列に並べられている。よって、四角形網目状の格子配列に並べられた複数の突起２は、等間隔かつ密集して基板１に形成される。 In the above embodiment, it is assumed that the plurality of protrusions 2 are arranged in an equilateral triangle mesh-like fine arrangement. However, as shown in FIG. 5, the plurality of protrusions 2 may be arranged in a quadrangular mesh-like grid arrangement. The "equal spacing" in the plurality of protrusions 2 shown in FIG. 5 means that four protrusions 2 are arranged at an equal angle of 90 ° around one central protrusion 2, and the central protrusion 2 and its surroundings are arranged. It means that the four protrusions 2 are spaced at the same distance. For example, in this underlay, protrusions 2 are arranged at each apex of a square unit having a side of 1.0 mm on one side of the substrate 1. On one side of the substrate 1, square units are arranged so as to be adjacent to each other, and adjacent protrusions 2 are arranged in a grid arrangement at a pitch of 1.0 mm. Therefore, the plurality of protrusions 2 shown in FIG. 5 are arranged in a quadrangular mesh-like lattice arrangement. Therefore, the plurality of protrusions 2 arranged in a quadrangular mesh-like lattice arrangement are formed on the substrate 1 at equal intervals and densely.
　したがって、基板１の片面には、複数の突起２が四角形網目状の格子配列で密集するように形成される。格子配列で密集するように隣り合って並んだ突起２と突起２の間には、溝状のラインが縦横に多数本形成される。溝状のラインは、基板１の上辺・下辺と平行な複数の横線Ｌｘと、基板１の左辺・右辺と平行な縦線Ｌｙとによって碁盤目状に形成される。この下敷きでは、国構え（口）のように、直交するような角張る部位を有する文字の運筆を有効に練習することができる。 Therefore, on one side of the substrate 1, a plurality of protrusions 2 are formed so as to be densely arranged in a quadrangular mesh-like lattice arrangement. A large number of groove-shaped lines are formed vertically and horizontally between the protrusions 2 and the protrusions 2 which are arranged side by side so as to be densely arranged in a grid arrangement. The groove-shaped line is formed in a grid pattern by a plurality of horizontal lines Lx parallel to the upper and lower sides of the substrate 1 and vertical lines Ly parallel to the left and right sides of the substrate 1. With this shitajiki, you can effectively practice the writing of characters that have angular parts that are orthogonal to each other, such as the national stance (mouth).
　複数の突起２は、長方形の四角形網目状の格子配列に並べられてもよい。この複数の突起２は、横方向に隣り合った突起２が等間隔に配置され、縦方向に隣り合った突起２が等間隔に配置され、縦方向と横方向の突起の間隔が異なるように配置されている。また、複数の突起は、六角形の各角部に突起２を配置したユニットをハニカム模様の網目状に拝礼したものとしてもよい。この複数の突起２は、１２０°の角度で等間隔に隣り合うように配置される。長方形の四角形網目状の格子配列であっても、六角形のハニカム模様の網目状であっても、隣り合った突起２の間隔は、１．３ｍｍ乃至１．０ｍｍなどとされる。 The plurality of protrusions 2 may be arranged in a rectangular grid-like grid arrangement. In the plurality of protrusions 2, the protrusions 2 adjacent to each other in the horizontal direction are arranged at equal intervals, the protrusions 2 adjacent to each other in the vertical direction are arranged at equal intervals, and the distances between the protrusions in the vertical direction and the protrusions in the horizontal direction are different. Have been placed. Further, the plurality of protrusions may be a unit in which the protrusions 2 are arranged at each corner of the hexagon and worshiped in a honeycomb pattern. The plurality of protrusions 2 are arranged so as to be adjacent to each other at an angle of 120 ° at equal intervals. The distance between the adjacent protrusions 2 is 1.3 mm to 1.0 mm, regardless of whether the grid is a rectangular quadrangular mesh or a hexagonal honeycomb pattern.
　前記実施の形態では、突起２は頂面がフィレットの截頭円錐状に形成されるとした。しかし、突起２は、頂面が角を有する截頭円錐形に形成されてもよい。また、突起２は、フレットを有する截頭四角錘状又はフィレットを有しない截頭四角錘状などの截頭多角錘状に形成されてもよい。 In the above embodiment, it is assumed that the protrusion 2 is formed in the shape of a conical head of a fillet on the top surface. However, the protrusion 2 may be formed in a conical shape with a top surface having an angle. Further, the protrusion 2 may be formed in the shape of a square pyramid having a fret or a square pyramid having no fillet.
　前記実施の形態では、複数の突起２は厚盛印刷によって形成されるとした。しかし、複数の突起２は、射出成型やエンボス加工などによって形成されてもよい。この場合は、突起２は基板１の縁まで形成されてもよい。エンボス加工の下敷きは、裏面に複数の凹部が形成されるが、裏面を使用しない場合は、運筆の練習の障害とはならない。 In the above embodiment, it is assumed that the plurality of protrusions 2 are formed by thick printing. However, the plurality of protrusions 2 may be formed by injection molding, embossing, or the like. In this case, the protrusion 2 may be formed up to the edge of the substrate 1. The embossed underlay has a plurality of recesses formed on the back surface, but if the back surface is not used, it does not hinder the practice of writing.
　前記実施の形態では、各突起２は、直径が０．６ｍｍかつピッチが１．０ｍｍ、高さが０．０５ｍｍに形成されているとした。しかし、各突起２は、直径が０．９ｍｍかつピッチが１．３ｍｍ、又は直径が１．２ｍｍかつピッチが１．９ｍｍで形成され、かつ、高さが０．０５ｍｍに形成されているなど、突起２のサイズやピッチの間隔は、限定されない。すなわち、密集する突起２は、直径が０．３ｍｍ～２．０ｍｍ、ピッチが０．４ｍｍ～３．０ｍｍ、高さが０．０２ｍｍ～０．２ｍｍの範囲内で形成されてもよい。基板１もＢ５版程度やＡ４版程度のサイズに限定されず、Ｂ４版程度のサイズやＡ５版程度のサイズのように種々のサイズが提供されてもよい。種々のサイズの基板１や突起２が形成された下敷きが多種類提供されることで、この下敷きを使用する障碍者の障害の度合いや、習字学習能力を高めたい小児のレベルに合わせた直径やピッチの突起２が形成された下敷きから選択することができる。 In the above embodiment, it is assumed that each protrusion 2 has a diameter of 0.6 mm, a pitch of 1.0 mm, and a height of 0.05 mm. However, each protrusion 2 is formed with a diameter of 0.9 mm and a pitch of 1.3 mm, or a diameter of 1.2 mm and a pitch of 1.9 mm, and a height of 0.05 mm. The size of the protrusions 2 and the pitch interval are not limited. That is, the dense protrusions 2 may be formed within the range of a diameter of 0.3 mm to 2.0 mm, a pitch of 0.4 mm to 3.0 mm, and a height of 0.02 mm to 0.2 mm. The substrate 1 is not limited to the size of the B5 plate or the A4 plate, and various sizes such as the size of the B4 plate or the size of the A5 plate may be provided. By providing various types of underlays with various sizes of substrates 1 and protrusions 2, the degree of disability of persons with disabilities who use these underlays and the diameter according to the level of children who want to improve their writing ability can be adjusted. You can choose from the underlays on which the pitch protrusions 2 are formed.
　前記実施の形態では、複数の突起２は、基板１の片面に形成されとした。しかし、複数の突起２は、基板１の表面だけでなく、裏面にも、すなわち両面に形成されてもよい。この場合は、表面と裏面とで突起２の直径、ピッチ、高さを異ならせてもよい。また、下敷きの表面には正三角形網目状の格子配列に突起を並べ、裏面には四角形網目状の格子配列に突起を並べてもよい。 In the above embodiment, the plurality of protrusions 2 are formed on one side of the substrate 1. However, the plurality of protrusions 2 may be formed not only on the front surface of the substrate 1 but also on the back surface, that is, on both sides. In this case, the diameter, pitch, and height of the protrusions 2 may be different between the front surface and the back surface. Further, the protrusions may be arranged in an equilateral triangle mesh-like grid arrangement on the front surface of the underlay, and the protrusions may be arranged in a quadrangular mesh-like grid arrangement on the back surface.
　また、前記実施の形態では、下敷きは１枚の基板１に複数の突起２を形成した。しかし、下敷きは、複数の突起２を形成したプラスチック製の基板１と、複数の突起２を形成した又は形成していないプラスチック製の基板１とが各種のシートを挟んだものとしてもよい。シートは、紙、あるいは、鉄や鋼のような金属板、銅やアルミニウム合金などの非鉄金属板、木材板、ゴム板、布地など種々の材料から採用される。このようなシートは、２枚の基板１にパウチのように挟まれる。また、例えば紙などにあっては、小学校１年生で習う漢字などが記載されされてもよい。 Further, in the above-described embodiment, the underlay has a plurality of protrusions 2 formed on one substrate 1. However, the underlay may be a plastic substrate 1 having a plurality of protrusions 2 formed therein and a plastic substrate 1 having a plurality of protrusions 2 formed or not formed sandwiching various sheets. The sheet is adopted from various materials such as paper, a metal plate such as iron and steel, a non-iron metal plate such as copper and aluminum alloy, a wood plate, a rubber plate, and a cloth. Such a sheet is sandwiched between two substrates 1 like a pouch. Further, for example, on paper or the like, Chinese characters learned in the first grade of elementary school may be described.
　前記実施の形態では、筆記具として鉛筆を一例にして説明した。しかし、筆記具は、ボールペンや万年筆、サインペンなど使用する人が使いたい筆記具を選択すればよい。また、この下敷きは、障碍者や小児が好適に使用することができるが、脳梗塞や片麻痺などのリハビリに使用してもよい。また、この下敷きは、筆圧の調整や運筆の安定を促すことができることからも、塗り絵をするときに使用してもよい。 In the above embodiment, a pencil was used as an example as a writing tool. However, as the writing tool, the writing tool that the user wants to use, such as a ballpoint pen, a fountain pen, or a felt-tip pen, may be selected. Further, although this underlay can be preferably used by persons with disabilities and children, it may be used for rehabilitation such as cerebral infarction and hemiplegia. In addition, this underlay may be used for coloring because it can promote the adjustment of the writing pressure and the stability of the brush stroke.
　以上まとめると、本発明が適用される下敷きは、次のような構成を取れば足り、各種各様な実施形態をとることができる。 In summary, the underlay to which the present invention is applied need only have the following configuration, and various embodiments can be taken.
　本発明に係る下敷きは、
　プラスチック製の基板１と、
　前記基板１の片面に密集した等間隔ドットパターン状の複数の突起２と、
　を備え、
　前記複数の突起２は、筆記具が走査可能な間隔及び高さで形成されている。 The underlay according to the present invention is
Plastic substrate 1 and
A plurality of protrusions 2 having an evenly spaced dot pattern densely packed on one surface of the substrate 1 and
Equipped with
The plurality of protrusions 2 are formed at intervals and heights that can be scanned by the writing instrument.
　この下敷きは、ドットパターン状の複数の突起２を形成した片面上に紙を置き、この紙上で筆記具を動かすと、突起２によって抵抗感が生じ、筆記具が動きすぎることなく、使用者が意識することで、筆記具を動かすようにして、運筆の練習をすることができる。 In this underlay, when paper is placed on one side of which a plurality of dot-patterned protrusions 2 are formed and the writing tool is moved on this paper, the protrusions 2 cause a feeling of resistance, and the writing tool does not move too much, and the user is aware of it. By doing so, you can practice writing by moving the writing tools.
　本発明に係る下敷きにおいて、
　前記複数の突起２は、前記基板１に厚盛印刷によって形成されている。
　この下敷きは、厚盛印刷によって小さな突起２も密集して均等に形成することができる。 In the underlay according to the present invention
The plurality of protrusions 2 are formed on the substrate 1 by thick printing.
This underlay can be formed evenly by densely forming small protrusions 2 by thick printing.
　本発明に係る下敷きにおいて、
　前記複数の突起２は、正三角形網目状の最密配列又は四角形網目状の格子配列に並べられている。
　この下敷きは、突起２が正三角形網目状の最密配列に並べられることで、文字の「はね」や「はらい」などのカーブした部位をうまく運筆することができる。突起２が正三角形網目状の最密配列又は四角形網目状の格子配列に並べられていることで、国構え（口）のように、直交するような角張る部位を有する文字の運筆を有効に練習することができる。 In the underlay according to the present invention
The plurality of protrusions 2 are arranged in an equilateral triangle mesh-like close-packed arrangement or a quadrangular mesh-like lattice arrangement.
In this underlay, the protrusions 2 are arranged in a close-packed arrangement in the shape of an equilateral triangle mesh, so that curved parts such as "splashes" and "harai" of characters can be successfully drawn. By arranging the protrusions 2 in a dense array of equilateral triangle meshes or a grid array of quadrangular meshes, it is possible to effectively draw characters with angular parts that are orthogonal to each other, such as the national stance (mouth). You can practice.
　本発明に係る下敷きにおいて、
　前記複数の突起２は、前記基板１の外周縁部１ａを除いた内側に形成されている。 In the underlay according to the present invention
The plurality of protrusions 2 are formed inside the substrate 1 except for the outer peripheral edge portion 1a.
　本発明に係る下敷きにおいて、
　前記各突起２は、截頭円錐状に形成されている。
　この下敷きは、突起２が截頭円錐状に形成されていることで、筆記具が突起２により突っかかりにくいようにすることができる。 In the underlay according to the present invention
Each of the protrusions 2 is formed in a conical shape.
In this underlay, since the protrusion 2 is formed in the shape of a cone, it is possible to prevent the writing tool from being struck by the protrusion 2.
　本発明に係る下敷きにおいて、
　前記各突起２は、直径が０．６ｍｍかつピッチが１．０ｍｍ、直径が０．９ｍｍかつピッチが１．３ｍｍ、又は直径が１．２ｍｍかつピッチが１．９ｍｍに形成され、かつ、高さが０．０５ｍｍに形成されている。 In the underlay according to the present invention
Each of the protrusions 2 has a diameter of 0.6 mm and a pitch of 1.0 mm, a diameter of 0.9 mm and a pitch of 1.3 mm, or a diameter of 1.2 mm and a pitch of 1.9 mm, and has a height. Is formed to 0.05 mm.
　本発明に係る下敷きは、使用する障碍者の障害の度合いや、習字学習能力を高めたい小児のレベルに合わせた直径やピッチの突起２が形成された下敷きから選択することができる。 The underlay according to the present invention can be selected from underlays having protrusions 2 having a diameter and a pitch according to the degree of disability of the person with a disability to be used and the level of a child who wants to improve the learning ability of writing.
　本発明に係る下敷きにおいて、
　各突起２は、直径が０．３ｍｍ～２．０ｍｍ、ピッチが０．４ｍｍ～３．０ｍｍ、高さが０．０２ｍｍ～０．２ｍｍの範囲内で形成されている。 In the underlay according to the present invention
Each protrusion 2 is formed within a range of a diameter of 0.3 mm to 2.0 mm, a pitch of 0.4 mm to 3.0 mm, and a height of 0.02 mm to 0.2 mm.
　１………基板
　１ａ……外周縁部
　２………突起 1 ………… Substrate 1a …… Outer peripheral edge 2 ………… Protrusion

Claims (7)

  1. 　プラスチック製の基板と、
    　前記基板の少なくとも片面に密集した等間隔ドットパターン状の複数の突起と、
    　を備え、
    　前記複数の突起は、筆記具が走査可能な間隔及び高さで形成されている、
    　下敷き。     With a plastic board,
    A plurality of evenly spaced dot-patterned protrusions densely packed on at least one surface of the substrate,
    Equipped with
    The plurality of protrusions are formed at intervals and heights that can be scanned by the writing instrument.
    Underlay.
  2. 　前記複数の突起は、前記基板に厚盛印刷によって形成されている、
    　請求項１に記載の下敷き。     The plurality of protrusions are formed on the substrate by thick printing.
    The underlay according to claim 1.
  3. 　前記複数の突起は、正三角形網目状の最密配列又は四角形網目状の格子配列に並べられている、
    　請求項１又は２に記載の下敷き。     The plurality of protrusions are arranged in an equilateral triangular mesh-like close-packed array or a quadrangular mesh-like lattice array.
    The underlay according to claim 1 or 2.
  4. 　前記複数の突起は、前記基板の外周縁部を除いた内側に形成されている、
    　請求項１乃至３のうちいずれか１項に記載の下敷き。     The plurality of protrusions are formed on the inner side excluding the outer peripheral edge portion of the substrate.
    The underlay according to any one of claims 1 to 3.
  5. 　前記各突起は、截頭円錐状に形成されている、
    　請求項１乃至４のうちいずれか１項に記載の下敷き。     Each of the protrusions is formed in a conical shape.
    The underlay according to any one of claims 1 to 4.
  6. 　前記各突起は、直径が０．６ｍｍかつピッチが１．０ｍｍ、直径が０．９ｍｍかつピッチが１．３ｍｍ、又は直径が１．２ｍｍかつピッチが１．９ｍｍに形成され、かつ、高さが０．０５ｍｍに形成されている、
    　請求項５に記載の下敷き。     Each of the protrusions has a diameter of 0.6 mm and a pitch of 1.0 mm, a diameter of 0.9 mm and a pitch of 1.3 mm, or a diameter of 1.2 mm and a pitch of 1.9 mm, and has a height of 1.9 mm. Formed to 0.05 mm,
    The underlay according to claim 5.
  7. 　各突起は、直径が０．３ｍｍ～２．０ｍｍ、ピッチが０．４ｍｍ～３．０ｍｍ、高さが０．０２ｍｍ～０．２ｍｍの範囲内で形成されている。
    　請求項５に記載の下敷き。     Each protrusion has a diameter of 0.3 mm to 2.0 mm, a pitch of 0.4 mm to 3.0 mm, and a height of 0.02 mm to 0.2 mm.
    The underlay according to claim 5.
PCT/JP2021/046249 2021-01-04 2021-12-15 Underlay WO2022145230A1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51112626A (en) * 1975-03-29 1976-10-05 Sadao Sugimoto Underlay for drawing
JPS5989376U (en) * 1982-12-07 1984-06-16 鈴木　是雄 writing utensils
WO2012086482A1 (en) * 2010-12-22 2012-06-28 ARAI Chishinn Writing underlay that generates awakening effect
US8313329B2 (en) * 2010-09-03 2012-11-20 Charles Haberstroh Sketching devices having improved geometry
JP3205468U (en) * 2016-05-13 2016-07-28 株式会社オフィスサニー Writing support learning tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51112626A (en) * 1975-03-29 1976-10-05 Sadao Sugimoto Underlay for drawing
JPS5989376U (en) * 1982-12-07 1984-06-16 鈴木　是雄 writing utensils
US8313329B2 (en) * 2010-09-03 2012-11-20 Charles Haberstroh Sketching devices having improved geometry
WO2012086482A1 (en) * 2010-12-22 2012-06-28 ARAI Chishinn Writing underlay that generates awakening effect
JP3205468U (en) * 2016-05-13 2016-07-28 株式会社オフィスサニー Writing support learning tool

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