JPH03297480A - Ground marker - Google Patents
Ground markerInfo
- Publication number
- JPH03297480A JPH03297480A JP10048990A JP10048990A JPH03297480A JP H03297480 A JPH03297480 A JP H03297480A JP 10048990 A JP10048990 A JP 10048990A JP 10048990 A JP10048990 A JP 10048990A JP H03297480 A JPH03297480 A JP H03297480A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- calcium carbonate
- wire drawing
- marker
- drawing material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003550 marker Substances 0.000 title abstract description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 11
- 239000000049 pigment Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 46
- 238000005491 wire drawing Methods 0.000 claims description 34
- 238000010298 pulverizing process Methods 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 14
- 239000000920 calcium hydroxide Substances 0.000 description 14
- 235000011116 calcium hydroxide Nutrition 0.000 description 14
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 14
- 235000019738 Limestone Nutrition 0.000 description 13
- 239000006028 limestone Substances 0.000 description 13
- 239000011435 rock Substances 0.000 description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 229910021532 Calcite Inorganic materials 0.000 description 4
- 239000010440 gypsum Substances 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 239000010459 dolomite Substances 0.000 description 3
- 229910000514 dolomite Inorganic materials 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 239000010434 nepheline Substances 0.000 description 1
- 229910052664 nepheline Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- -1 that is Chemical compound 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は各種スポーツ用のグラウンド等、地面部分に直
接描くことのできる粉体たる線引き材に係り、特に皮膚
等に付着しても火傷等の事故の生じない線引き材料に関
する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a powdered wire drawing material that can be drawn directly on the ground, such as grounds for various sports, and in particular does not cause burns or the like if it adheres to the skin. Regarding drawing materials that do not cause accidents.
例えば走競争等のトラックを形成したり、ラグビー、フ
ットボール、野球等の球技を行う際にはグラウンドに対
してその競技に対応して線引きが行われる。この線引き
に使用される材料（以下「線引き材」と称する）は従来
から石灰が使用されている。For example, when forming a track for a running competition or playing a ball game such as rugby, football, or baseball, lines are drawn on the ground in accordance with the sport. The material used for this wire drawing (hereinafter referred to as "drawing material") has traditionally been lime.
ここで、線引き材として用いる石灰とは消石灰、即ち水
酸化カルシウムＣａ （ＯＨ） ２である。この消石灰
はｐＨ１２〜１３の強アルカリ性であって、人体に触れ
ると粘膜等の蛍白質を溶解してしまい、それ自体安全性
に大きな問題がある。また線引き材中には生石灰ＣａＯ
が混入していることが多いが、この生石灰が水と反応（
発熱反応）すると場合によっては８００°Ｃ以上の温度
となる。Here, the lime used as the wire drawing material is slaked lime, that is, calcium hydroxide Ca(OH)2. This slaked lime is strongly alkaline with a pH of 12 to 13, and when it comes into contact with the human body, it dissolves fluorescent matter such as mucous membranes, which itself poses a major safety problem. In addition, quicklime CaO is contained in the wire drawing material.
It is often mixed with water, but this quicklime reacts with water (
exothermic reaction), the temperature may exceed 800°C in some cases.
このため、例えば雨中の競技で選手が線引き材上に倒れ
たり、また運動着に線引き材を付着させた状態で汗と反
応したりすることにより火傷をする事故が何件も発生し
ている。極端な事例としては線引き材が眼中に入り失明
する事故も生じている。For this reason, many accidents have occurred where, for example, athletes fall on the drawing material during competitions in the rain, or they get burned when the material adheres to their athletic clothing and reacts with sweat. In extreme cases, there have been accidents where wire drawing material has gotten into the eyes, resulting in blindness.
このように現在使用されている線引き材は危険なもので
あるが、線引き材の原料である消石灰が安価に提供され
ること等、主として経済的な理由により広く利用されて
いるのが実情である。Although the wire drawing materials currently in use are dangerous, the reality is that they are widely used mainly for economic reasons, such as the fact that slaked lime, the raw material for wire drawing materials, is available at a low price. .
一方上述のような問題点に鑑み、線引き材とししての消
石灰の使用に代えて、石膏Ｃａ Ｓ Ｏ４２Ｈ２０を使
用することも行われ始めている。石膏はｐＨ６〜７であ
ってほぼ中性であり、また水との発熱反応もなく安全で
ある。On the other hand, in view of the above-mentioned problems, instead of using slaked lime as a drawing material, gypsum Ca SO42H20 has begun to be used. Gypsum has a pH of 6 to 7, which is almost neutral, and it is safe because it does not react exothermically with water.
反面、石膏は国内においては天然に産出する量は比較的
僅かであり、多くは焼石膏等の工業製品として供給され
るため、消石灰に比較して価格が高（経済性では前記消
石灰に劣る。また消石灰と同様、湿気を吸収すると固化
する傾向が著しく、十分な防湿処理を行わないと線引き
が不可能になったり、紙袋中で固化して全く使用しない
うちに使用不能となってしまったりする。On the other hand, gypsum is produced naturally in a relatively small amount in Japan, and most of it is supplied as industrial products such as calcined gypsum, so its price is higher than that of slaked lime (in terms of economy, it is inferior to the above-mentioned slaked lime). Also, like slaked lime, it has a remarkable tendency to solidify when it absorbs moisture, and if it is not thoroughly moisture-proofed, it will become impossible to draw lines, or it will solidify in a paper bag and become unusable before it has been used at all. .
なお現在使用されている消石灰は粒子が非常に細かく（
例えば２００メツシュ通過量７０パーセント以上）、こ
のため線引きをしたのち風が吹くと飛散し易く、飛散し
た線引き材が皮膚に触れたり、目に入ったりすることに
より前述のように思わぬ事故を起こす可能性がある。線
引き材が石膏の場合はこのような事故は想定できないが
、飛散により線引き部分が不明瞭になる等の問題点は消
石灰の場合と同様である。The slaked lime currently in use has very fine particles (
For example, 70% or more of 200 meshes pass through). Therefore, when the wind blows after drawing the wire, it tends to scatter, and the scattered wire material can come into contact with the skin or get into the eyes, causing an unexpected accident as described above. there is a possibility. If the drawing material is plaster, such an accident cannot be expected, but the problems such as the drawing part becoming unclear due to scattering are the same as in the case of slaked lime.
［課題を解決するための手段］
本発明は上述の問題点を解決すべく構成した線引き材で
あり、
主成分を炭酸カルシウムとし、かつこの炭酸カシラムに
対して任意の顔料を添加することにより任意の発色を行
うようにした線引き材であることを特徴とする。[Means for Solving the Problems] The present invention is a wire drawing material constructed to solve the above-mentioned problems. It is characterized by being a wire-drawn material that develops a color.
主成分の炭酸カルシウムは水に対して難溶性であって、
吸湿しても固化せず、かつ粉体の粒子は従来品にりも重
いので、地面に線引きした後風による飛散が少ない。The main component, calcium carbonate, is poorly soluble in water.
It does not solidify even if it absorbs moisture, and the powder particles are heavier than conventional products, so there is less scattering by the wind after drawing a line on the ground.
以下本発明の内容を具体的に説明する。 The contents of the present invention will be specifically explained below.
先ず本発明の線引き材は以下に詳述するように天然に産
する原石を微粉砕することにより得るものであり、その
主成分（含有量等は後述する）は炭酸カルシウムである
。First, the wire drawing material of the present invention is obtained by finely pulverizing a naturally occurring raw stone, as detailed below, and its main component (content etc. will be described later) is calcium carbonate.
本線引き材の原材料は炭酸カルシウムＣａＣ０゜を主成
分とする天然岩石である。この天然岩石は方解石、氷用
石、霞石、大理石、白亜等として産出する。The raw material for this drawn material is natural rock whose main component is calcium carbonate (CaC0°). This natural rock is produced as calcite, icestone, nepheline, marble, chalk, etc.
また方解石の集合物を石灰石と通称しているが方解石の
語よりも石灰石の語の方が一般的であるため、特に断ら
ない限り方解石の語に替えて石灰石の語を用いることに
する。Also, aggregates of calcite are commonly called limestone, but since the term limestone is more common than calcite, the term limestone will be used instead of calcite unless otherwise specified.
次に、本線引き材の原材料としては生産量および価格等
の点から石灰石が適当である。Next, limestone is suitable as a raw material for the main wire drawing material in terms of production volume and price.
なおここで石灰石とは石灰質堆積岩（ｃａｌｃａｒｅ。Note that limestone here refers to calcareous sedimentary rock (calcaree).
ｕｓ ｓｅｄｉｍｅｎｔａｒｙ ｒｏｃｋｓ）の一種で
あって、この石灰質堆積岩として分類される中には前記
した石灰岩（ｌ ｉｍｅｓ ｔｏｎｅ）の外、ドロマイ
トＣａ Ｍ ｇ （ＣＯ：＋）ｚを主成分とするドロマ
イト（ｄｌｏｍｉｔｅ）岩石（ｄｌｏｍｉｔｅ ｒｏｃ
ｋｓ）も含まれるが、以下に示す石灰石の語は、ＣａＣ
Ｏ２の含有量が９０重量パーセント以上であればこのド
ロマイトを含む石灰石（「ドロマイト質石灰石」と称さ
れている）も含むものとする。In addition to the limestone described above, dolomite (dlomite), which is a type of calcareous sedimentary rock (USsedimentary rocks) and whose main component is dolomite (Ca M g (CO:+)z), is classified as calcareous sedimentary rock. dlomite rock
ks), but the term limestone shown below refers to CaC
If the O2 content is 90% by weight or more, limestone containing dolomite (referred to as "dolomitic limestone") is also included.
なお、ＣａＣ０，の含有量が９０重量パーセント以下で
あると、粉末にした際に白色でなくなって所望の色彩の
線引き材が得られなくなったり、化学的に不安定な物質
が含まれる可能性があって妥当ではない。If the content of CaC0 is less than 90% by weight, it may not be white when powdered, making it impossible to obtain a drawing material with the desired color, or it may contain chemically unstable substances. It's not reasonable.
この原材料たる石灰石を微粉砕したものを主たる原料と
し、これに所望の色彩を出すための顔料を添加する。な
お、線引き材が白色である場合には石灰石微粉自体が白
色であるため顔料の添加は必須の要件ではないが、貝殻
（ＣａＣＯｚが主成分）を微粉砕した粉末（「胡粉」と
通称される）を添加するとより白色が冴える。The main raw material is finely ground limestone, to which pigments are added to produce the desired color. Note that when the wire drawing material is white, the addition of pigment is not an essential requirement because the fine limestone powder itself is white, but powder made by finely pulverizing seashells (mainly composed of CaCOz) ) to make the white color more vivid.
〔実施例１〕
石灰石を微粉砕し、２００メツシュ通過量６０〜７０パ
ーセントの石灰石粉末を得た。なおこの微粉砕時及び以
後も加熱処理またはなんらかの化学的処理は一切行わな
い。この粉末に対して胡粉を白色顔料として添加（１重
量パーセント以下）し白色の線引き材（製品）とした。[Example 1] Limestone was finely pulverized to obtain limestone powder with an amount of 60 to 70% passing through 200 meshes. Note that no heat treatment or any chemical treatment is performed during or after this fine pulverization. Gofun was added to this powder as a white pigment (1% by weight or less) to obtain a white wire drawing material (product).
以下はこの線引き材の成分分析結果である。Below are the results of component analysis of this drawn wire material.
Ｃａ Ｃ０，３９８，２％
ＭｇＯ０，６％
その他の不溶解物 １．２％
ホンバ内に充填した線引き材を、車輪と同軸の回転ブラ
シにより落下させて線引きを行うマーカー用の線引き具
に本実施例の線引き材を充填してグラウンドに所定の線
を引いたが、粉体の詰まり等生しることなく充填した線
引き材は全て使用することができた。Ca C0,398,2% MgO0,6% Other insoluble matter 1.2% This project was applied to a marker line drawing tool that draws lines by dropping the line drawing material filled in a container with a rotating brush coaxial with a wheel. A predetermined line was drawn on the ground by filling the wire drawing material in the example, but all of the filled wire drawing material could be used without causing powder clogging or the like.
また上記線引き具に本実施例の線引き材を充填したもの
を、屋外に別設した物置内に２日間放置（その間の天気
は曇後晴）した後使用したところ内部の線引き材は全く
固化することな（充填したもの全てを使用することがで
きた。Furthermore, when the above-mentioned wire drawing tool filled with the wire drawing material of this example was left in a separate storage room outside for two days (the weather during that time was cloudy and then sunny), the wire drawing material inside was completely solidified. Kotona (I was able to use everything I filled.
また線引き材２０ｋｇ入りの紙袋を開封し、開封部分を
上部にして前記物置内に立て掛け、２週間放置しておい
たが、固化は生じなかった。Further, a paper bag containing 20 kg of drawing material was opened, and the bag was propped up in the storeroom with the opened part on top and left for two weeks, but no solidification occurred.
なお発明者らはこの石灰石粉末の粒度を変えて地面に対
する線引き試験を行ったが、例えば１００メツシュ通過
量が５０〜４０パーセントの比較的粗い粒子の場合にも
問題なく線引きを行うことが可能であった。但しこの粒
度であると手に付いた際にはざらついた感じがして、前
記粒度の場合に比較してやや違和感があった。The inventors conducted a line drawing test on the ground by changing the particle size of this limestone powder, but it was possible to draw lines without any problem even in the case of relatively coarse particles, for example, where the amount passing through 100 meshes was 50 to 40%. there were. However, with this particle size, when it touched the hand, it felt rough and felt a little strange compared to the case with the above particle size.
次に前記実施例１の線引き材（２００メツシュ通過量６
０パーセント）と、消石灰から成る従来の線引き材（２
００メツシュ通過量６０パーセント）とを幾つかの観点
から比較した。Next, the wire drawing material of Example 1 (200 mesh passing amount 6
0%) and a conventional wire drawing material consisting of slaked lime (2%
00 mesh passing rate (60%) was compared from several points of view.
（風による飛散テスト）
先ず本実施例の線引き材と従来品の線引き材とにより、
風の方向とほぼ直交するようにグラウンドに直線１０ｍ
を引き、飛散テストを行った。なお風の平均風速は約６
ｍ／秒であって、比較的強い風であった。(Wind scattering test) First, using the wire drawing material of this example and the conventional wire drawing material,
A 10m straight line on the ground, almost perpendicular to the direction of the wind.
We conducted a scattering test. The average wind speed is approximately 6
m/sec, and the wind was relatively strong.
従来品では線引き具による線引きを行う際の粉末の飛散
量が多く、線を引き終わった段階で既に風下側に相当量
の線引き材が飛散し、引いた線が風下部分を中心として
不明瞭となってしまった。With conventional products, a large amount of powder is scattered when drawing with a wire drawing tool, and by the time the line has been drawn, a considerable amount of drawing material has already been scattered on the leeward side, making the drawn line unclear mainly in the leeward part. It is had.
また線引き終了後もかなりの量の線引き材が飛散した。Furthermore, even after the wire drawing was completed, a considerable amount of wire drawing material was scattered.
一方、本実施例の線引き材の場合にも、線引き具による
線引きの際に一部が飛散したが、その飛散量は前記従来
品に比較して目測でも明瞭に判断できる程度に少なかっ
た。また線引き終了後の飛散量も従来品に比較して僅か
であった。On the other hand, in the case of the wire drawing material of this example as well, a portion of the wire was scattered during drawing with a wire drawing tool, but the amount of scattering was so small that it could be clearly determined by visual measurement compared to the conventional product. Furthermore, the amount of scattering after the wire drawing was completed was small compared to conventional products.
このように風による飛散に相違が生じたのは以下に示す
ように線引き材の主成分の比重が相違することの外、従
来品では水分による固化が著しいため線引き打検管中の
防湿を厳格に行わなければならいないのに対して、本実
施例の線引き材では水分による固化は心配ないので保管
中の吸湿により粉体としての重量が増加し、両者は前記
比重以上に重量に相違が生したためと考えられる。The reason for this difference in wind scattering is not only because of the difference in the specific gravity of the main components of the wire drawing material, as shown below, but also due to the fact that the conventional product solidifies significantly due to moisture, so strict moisture prevention measures were taken during the drawing and inspection. In contrast, with the wire-drawn material of this example, there is no need to worry about solidification due to moisture, so the weight of the powder will increase due to moisture absorption during storage, resulting in a weight difference greater than the specific gravity of the two. This is thought to be because of this.
（固化テスト）
本実施例の線引き材２０ｋｇを紙袋に充填したものと、
消石灰からなる従来品２０ｋｇを同様の紙袋に充填した
ものの各々を、袋を開封した状態で前記物置に２か月間
放置した。その間の約１０日が雨であった。(Solidification test) A paper bag filled with 20 kg of the drawing material of this example,
Similar paper bags were filled with 20 kg of a conventional product made of slaked lime, and each bag was left unsealed in the storeroom for 2 months. It rained for about 10 days during that time.
放置した結果、本実施例の線引き材は開封部分を中心と
してやや固化が生じていたが、棒等でつつくことにより
容易に破砕粉化し、袋に充填したちの全体について以後
支障なく使用することができた。As a result of being left alone, the wire drawing material of this example was slightly solidified mainly in the unsealed part, but it was easily crushed into powder by being poked with a stick, etc., and the entire material could be used without any problem after being filled into a bag. was completed.
これに対して従来品は開封部分を中心に強固に固化し、
線引き材を袋から出すことができなかった。On the other hand, conventional products harden firmly around the opened part,
I couldn't take the wire drawing material out of the bag.
〔実施例２〕
前記実施例の線引き材に対して赤色の顔料としてベンガ
ラ（弁柄、紅殻、主成分Ｆｅ２０３）を添加（０，５重
量パーセント以下）して赤色の線引き材を得た。[Example 2] A red colored wire drawing material was obtained by adding (0.5 weight percent or less) Red Garla (bengara, red shell, main component Fe203) as a red pigment to the wire drawing material of the above example.
なお線引き能力、水分による固化等の他の性能は実施例
１の場合と側段相違はなかった。It should be noted that other performances such as drawing ability and solidification due to moisture were not different from those of Example 1.
その他の無機顔料を適宜添加することにより青、黄、緑
またはこれらの色を混合した色調を得ることができた。By appropriately adding other inorganic pigments, it was possible to obtain blue, yellow, green, or a color tone that is a mixture of these colors.
本発明は以上具体的に説明したように、 主成分を炭酸
カルシウムとしたので、化学的に安定であり、火傷等の
心配が全くなく安全である。As specifically explained above, the present invention uses calcium carbonate as the main component, so it is chemically stable and safe with no worries about burns or the like.
また原料は国内で大量に得ることができ、微粉砕以外に
側段特別の処理を施すものではないので製品を安価に提
供することができる。In addition, the raw materials can be obtained in large quantities domestically, and the product can be provided at low cost since no special processing is required other than pulverization.
また風による飛散も従来の消石灰を用いたものよりも少
なく、長時間にわたって引いた線の保持が可能であり、
また飛散して目に入ったり皮膚に付着しても安全である
。In addition, there is less wind scattering than with conventional slaked lime, and it is possible to maintain the drawn line for a long time.
It is also safe even if it scatters and gets into your eyes or adheres to your skin.
Claims (2)
体であって、炭酸カルシウムを主成分とする天然原石を
微粉砕することにより、炭酸カルシウムを９０重量パー
セント以上含有する粉体を得、この粉体に対して任意の
発色を行うための顔料を添加してなることを特徴とする
地面用線引き材。(1) Powder that is used to draw desired lines on the ground using a line drawing tool, etc., which contains 90% by weight or more of calcium carbonate by finely pulverizing natural raw stone whose main component is calcium carbonate. 1. A wire drawing material for the ground, characterized in that a pigment is added to the powder to form a desired color.
ラとしたことを特徴とする特許請求の範囲第（１）項記
載の地面用線引き材。(2) The ground wire drawing material according to claim (1), wherein the pigment is red iron oxide whose main component is Fe_2O_3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10048990A JPH03297480A (en) | 1990-04-18 | 1990-04-18 | Ground marker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10048990A JPH03297480A (en) | 1990-04-18 | 1990-04-18 | Ground marker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03297480A true JPH03297480A (en) | 1991-12-27 |
Family
ID=14275348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10048990A Pending JPH03297480A (en) | 1990-04-18 | 1990-04-18 | Ground marker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03297480A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5540763A (en) * | 1994-02-25 | 1996-07-30 | Aktual Bauteile Und Umweltschutz Systeme, Gmbh | Process and composition for marking and identifying pourable materials |
| JP2009219959A (en) * | 2008-03-13 | 2009-10-01 | Hokkaido | Powder for white line derived from waste gypsum board and method of manufacturing powder for white line |
| JP2010215475A (en) * | 2009-03-18 | 2010-09-30 | Green Techno 21:Kk | Powder for drawing line |
| JP2011207737A (en) * | 2010-07-13 | 2011-10-20 | Toshiro Ayabe | Powder composition for wet line |
-
1990
- 1990-04-18 JP JP10048990A patent/JPH03297480A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5540763A (en) * | 1994-02-25 | 1996-07-30 | Aktual Bauteile Und Umweltschutz Systeme, Gmbh | Process and composition for marking and identifying pourable materials |
| JP2009219959A (en) * | 2008-03-13 | 2009-10-01 | Hokkaido | Powder for white line derived from waste gypsum board and method of manufacturing powder for white line |
| JP2010215475A (en) * | 2009-03-18 | 2010-09-30 | Green Techno 21:Kk | Powder for drawing line |
| JP2011207737A (en) * | 2010-07-13 | 2011-10-20 | Toshiro Ayabe | Powder composition for wet line |
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