JPH0334464B2 - - Google Patents
Info
- Publication number
- JPH0334464B2 JPH0334464B2 JP60045474A JP4547485A JPH0334464B2 JP H0334464 B2 JPH0334464 B2 JP H0334464B2 JP 60045474 A JP60045474 A JP 60045474A JP 4547485 A JP4547485 A JP 4547485A JP H0334464 B2 JPH0334464 B2 JP H0334464B2
- Authority
- JP
- Japan
- Prior art keywords
- belt
- sheet
- ceramic balls
- facing
- shaped
- 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.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 claims description 29
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は耐摩耗性シートに関する。詳しくは粉
粒体の輸送用ホースなどの摩耗を防止すべく該ホ
ース内面に貼付けて用いられる耐摩耗性シートに
関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a wear-resistant sheet. Specifically, the present invention relates to an abrasion-resistant sheet that is used by being attached to the inner surface of a hose for transporting powder or granular materials to prevent wear.
（従来の技術）
一般にこの種のシートは、未加硫ゴムからなる
シートに方形状としたセラミツク小片を多数縦横
整列状に、かつ所定間隔ごとに貼付けて形成され
るもので、通常は斯く形成したシートをそのま
ま、もしくは適当大きさにカツトして輸送用ホー
スの内面に貼付け、該ホースの摩耗を防止すべく
している。(Prior art) Generally, this type of sheet is formed by pasting a large number of rectangular ceramic pieces on a sheet made of unvulcanized rubber in a vertical and horizontal alignment at predetermined intervals; The sheet is applied as is or cut to an appropriate size and attached to the inner surface of a transportation hose to prevent wear on the hose.
（発明が解決しようとする問題点）
処で斯かる構造のシートにあつては、粉粒体の
輸送用ホース内面に貼付けて使用する場合、各セ
ラミツク小片間の隙間（目地）が摩耗し、殊に粉
粒体の輸送方向と同方向に延びる目地での摩耗の
進行が甚しく、極く短期間で使用不能になるごと
き問題があつた。(Problems to be Solved by the Invention) However, when a sheet with such a structure is attached to the inner surface of a hose for transporting powder or granular materials, the gaps (joints) between the small ceramic pieces wear out. Particularly, there was a problem in that the joints extending in the same direction as the transportation direction of the granular material were severely worn, and became unusable in a very short period of time.
また前記セラミツク小片の未加硫ゴムシートへ
の貼付けを隙間なく行うことにより、目地の摩耗
を防止することができるのであるが、斯くした場
合輸送用ホースとしての可撓性が損なわれ、また
輸送用ホース内面への貼付けが非常に困難で作業
性も悪くなる等の問題がある。 In addition, by attaching the small ceramic pieces to the unvulcanized rubber sheet without any gaps, it is possible to prevent wear of the joints, but in this case, the flexibility of the hose for transportation is lost, and the There are problems such as it is very difficult to attach to the inner surface of the hose and the workability is also poor.
（問題点を解決するための手段）
本発明は以上の如き問題点を解決すべく発明し
たもので、第１発明は未加硫ゴムからなる２枚の
帯状シートを互いに対面させて、この対面間に、
表面に接着剤を塗布したセラミツクボールを多数
隙間なく介装すると共に、この両帯状シートを挟
圧成形したことを特徴とするものである。(Means for Solving the Problems) The present invention was invented to solve the above-mentioned problems, and the first invention is to make two belt-shaped sheets made of unvulcanized rubber face each other, and Between,
It is characterized in that a large number of ceramic balls whose surfaces are coated with an adhesive are interposed without gaps, and both of the belt-like sheets are pressure-molded.
また第２発明は以上の如き耐摩耗性シートの製
造方法に関するもので、未加硫ゴムからなる２枚
の帯状シートをそれぞれロール状に巻取ると共
に、このロール状に巻取られた両帯状シートを、
所定間隔を置いて対面状に引出し、その引出し経
路上に、表面に接着剤を塗布したセラミツクボー
ルの収容ホツパーにおける供給口を臨ませて、該
ホツパー内のセラミツクボールを両帯状シートの
対面間に多数隙間なく供給し、然る後両帯状シー
トを２個一対の加圧ロール間に供給して、この帯
状シートを挟圧成形することを特徴とするもので
ある。 The second invention relates to a method for manufacturing the above-described wear-resistant sheet, in which two belt-shaped sheets made of unvulcanized rubber are each wound into a roll, and both belt-shaped sheets wound into the roll shape are of,
The ceramic balls are drawn out facing each other at a predetermined interval, and the supply port of the hopper containing ceramic balls whose surfaces are coated with adhesive is faced on the drawing path, and the ceramic balls in the hopper are placed between the facing sides of both strip-like sheets. The method is characterized in that a large number of belt-shaped sheets are supplied without any gaps, and then both belt-shaped sheets are supplied between a pair of pressure rolls, and the belt-shaped sheets are press-formed.
（作用）
しかして本発明による耐摩耗性シートは、例え
ば粉粒体の輸送用ホース内面に螺旋状に貼付け
て、該ホースの摩耗を防止すべく使用するのであ
つて、粉粒体の輸送時、最内側の帯状シートが摩
耗してなくなると、ホース内面の全域に隙間なく
セラミツクボールが表れ、以後の摩耗が防止せら
れるのである。(Function) The wear-resistant sheet according to the present invention is used, for example, by being applied spirally to the inner surface of a hose for transporting powder and granular materials to prevent wear of the hose. When the innermost band-shaped sheet is worn away, ceramic balls appear on the entire inner surface of the hose without any gaps, preventing further wear.
（実施例）
以下本発明の実施例を図面に基づいて説明す
る。図において１ａ，１ｂは未加硫ゴムからなる
２枚の帯状シートであつて、例えば厚み2.5mm、
幅50mmで適当長さの帯状シート１ａ，１ｂを用
い、該シート１ａ，１ｂを互いに対面させて、こ
の対面間に、表面に接着剤３を塗布した直径３mm
または５mmのセラミツクボール２を多数隙間なく
介装すると共に、この両帯状シート１ａ，１ｂを
挟圧成形して、耐摩耗性シートＡとしたものであ
る。(Example) Examples of the present invention will be described below based on the drawings. In the figure, 1a and 1b are two belt-shaped sheets made of unvulcanized rubber, for example, 2.5 mm thick,
Using band-shaped sheets 1a and 1b with a width of 50 mm and an appropriate length, the sheets 1a and 1b are faced to each other, and between these facing sides, a sheet with a diameter of 3 mm is coated with adhesive 3 on the surface.
Alternatively, the wear-resistant sheet A is obtained by inserting a large number of 5 mm ceramic balls 2 without gaps, and by pressure-forming both of the belt-shaped sheets 1a and 1b.
しかして前記帯状シート１ａ，１ｂ厚みは、該
シートを挟圧成形したときにセラミツクボール２
…の表面が露出したり、また帯状シート１ａ，１
ｂの表面に凹凸ができたりしない程度とするので
あつて、セラミツクボール２の直径に対し少なく
とも30％以上に設定するのが望ましく、斯くする
ことにより帯状シート１ａ，１ｂの挟圧成形時に
未加硫ゴムの一部が、互いに隣接するセラミツク
ボール２…の球面による隙間に入り込み、このセ
ラミツクボール２…を確実に保持することにな
り、薄い場合は、球面間に空隙が生じて亀裂の原
因となる。 Therefore, the thickness of the band-shaped sheets 1a and 1b is determined by the thickness of the ceramic balls 2 when the sheets are pressure-molded.
The surface of... is exposed, or the strip sheets 1a, 1
The surface of the ceramic ball 2 should preferably be set at least 30% or more of the diameter of the ceramic ball 2, so that no unevenness is formed on the surface of the ceramic ball 2. A part of the sulfur rubber will enter the gap between the spherical surfaces of the adjacent ceramic balls 2, and will securely hold the ceramic balls 2. Become.
次に以上の如くした耐摩耗性シートＡの製造方
法について説明する。先ず帯状シート１ａ，１ｂ
を離形紙４ａ，４ｂを介してロール状に巻取ると
共に、この帯状シートのロール巻き１′ａ，１′ｂ
を上下に対向させた状態で回転可能に支持させて
おく一方、表面に接着剤３を塗布したセラミツク
ボール２の収容ポツパー５を形成し、前記帯状シ
ートのロール巻き１′ａ，１′ｂから帯状シート１
ａ，１ｂを引出し、下側の帯状シート１ａにおけ
る引出経路上に前記ホツパー５の供給口５ａを臨
ませて、この下側の帯状シート１ａ上に、前記ホ
ツパー５内のセラミツクボール２を該ホツパー５
の供給口５ａから順次供給する。このときセラミ
ツクボール２は帯状シート１ａ上に隙間なく一列
状に載置するよう供給するのである。 Next, a method for manufacturing the wear-resistant sheet A as described above will be explained. First, band-shaped sheets 1a and 1b
is wound into a roll via release paper 4a, 4b, and the belt-shaped sheet is wound into rolls 1'a, 1'b.
are rotatably supported in a vertically opposed state, while a potper 5 for storing ceramic balls 2 whose surfaces are coated with adhesive 3 is formed, and from the rolls 1'a, 1'b of the band-shaped sheet, Band-shaped sheet 1
a, 1b, and place the ceramic balls 2 in the hopper 5 on the lower strip sheet 1a with the supply port 5a of the hopper 5 facing the pull-out path of the lower strip sheet 1a. 5
are sequentially supplied from the supply port 5a. At this time, the ceramic balls 2 are supplied so as to be placed on the strip-shaped sheet 1a in a line without any gaps.
次いでこのセラミツクボール２…を備えた帯状
シート１ａと、上側の帯状シート１ｂとを、前記
帯状シート１ａ上のセラミツクボール２…を挟み
込むように対面させながら２個一対の加圧ローラ
ー６，７間に供給して両帯状シート６，７を挟圧
成形し、既述した如き構造の耐摩耗性シートＡと
して仕上げるのである。 Next, the band-shaped sheet 1a provided with the ceramic balls 2... and the upper band-shaped sheet 1b are placed between a pair of pressure rollers 6, 7 while facing each other so as to sandwich the ceramic balls 2... on the band-shaped sheet 1a. The belt-like sheets 6 and 7 are pressure-molded to form the abrasion-resistant sheet A having the structure as described above.
尚図中８は予熱及び冷却用の雰囲気炉であつ
て、ヒーターユニツト９を備えており、この雰囲
気炉８内を、セラミツクボール２を載置する側の
帯状シート１ａが通過するとき、該シート１ａを
予熱もしくは冷却するものである。 In the figure, reference numeral 8 denotes an atmospheric furnace for preheating and cooling, which is equipped with a heater unit 9. When the belt-shaped sheet 1a on which the ceramic balls 2 are placed passes through the atmosphere furnace 8, the sheet This is for preheating or cooling 1a.
斯くして本発明による耐摩耗性シートＡは、例
えば粉粒体の輸送用ホースの内面に螺旋状に貼付
けて、該ホースの摩耗を防止すべく使用するので
あつて、粉粒体の輸送時最内側の帯状シート１ａ
または１ｂが摩耗してなくなると、ホースの内面
全域に隙間なくセラミツクボール２…が表れ、以
後の摩耗が防止せられるのである。 Thus, the wear-resistant sheet A according to the present invention is used, for example, by being applied in a spiral manner to the inner surface of a hose for transporting powder and granular materials to prevent wear of the hose, and when transporting powder and granular materials. Innermost strip sheet 1a
Or, when 1b is worn away, the ceramic balls 2 appear without any gaps all over the inner surface of the hose, thereby preventing future wear.
（発明の効果）
以上説明した如く本発明による耐摩耗性シート
は、例えば粉粒体の輸送用ホース内面に螺旋状に
貼付けて、該ホースの摩耗を防止すべく使用する
のであつて、粉粒体の輸送時、最内側の帯状シー
トが摩耗してなくなると、ホース内面の全域に隙
間なくセラミツクボールが表れ、以後の摩耗が防
止せられ、またこのセラミツクボールは残存する
帯状シートによつて確実に保持され、全体として
粉粒体の輸送用ホースを長期間に亙つて連続使用
可能ならしめ得るに至つたのであり、それでいて
輸送用ホースの可撓性は損なわれず、即ちホース
の内面全域に隙間なくセラミツク層が形成される
ことになるも、このセラミツク層は多数のボール
からなるものであるから、輸送用ホースの可撓性
を維持させ得るものである。(Effects of the Invention) As explained above, the wear-resistant sheet according to the present invention is used to prevent wear of the hose by pasting it spirally on the inner surface of a hose for transporting powder or granules, for example. When the innermost belt-like sheet is worn out during transportation of the body, ceramic balls appear without any gaps on the entire inner surface of the hose, preventing further abrasion, and the remaining belt-like sheet ensures that the ceramic balls are As a whole, the hose for transporting powder and granular materials can be used continuously for a long period of time, and the flexibility of the transport hose is not impaired, that is, there are no gaps throughout the inner surface of the hose. However, since this ceramic layer is made up of a large number of balls, the flexibility of the transportation hose can be maintained.
また本発明の製造方法によるときは、以上の如
き耐摩耗性シートを極めて簡単に且つ連続的に製
造することができ、製造コストの高騰を抑え得る
ものである。 Further, when using the manufacturing method of the present invention, the above-described wear-resistant sheet can be manufactured extremely easily and continuously, and a rise in manufacturing costs can be suppressed.
図面は本発明の実施例を示すもので、第１図は
その製造工程説明図、第２図は要部の縦断拡大側
面図、第３図は要部の縦断拡大正面図である。
１ａ，１ｂ……帯状シート、２……セラミツク
ボール、３……接着剤、５……ホツパー、５ａ…
…供給口、６……加圧ローラー、７……加圧ロー
ラー。
The drawings show an embodiment of the present invention; FIG. 1 is an explanatory view of the manufacturing process thereof, FIG. 2 is an enlarged vertical side view of the main part, and FIG. 3 is an enlarged longitudinal front view of the main part. 1a, 1b... Band-shaped sheet, 2... Ceramic ball, 3... Adhesive, 5... Hopper, 5a...
... Supply port, 6 ... Pressure roller, 7 ... Pressure roller.
Claims (1)
に対面させて、この対面間に、表面に接着剤を塗
布したセラミツクボールを多数隙間なく介装する
と共に、この両帯状シートを挟圧成形したことを
特徴とする耐摩耗性シート。 ２ 未加硫ゴムからなる２枚の帯状シートをそれ
ぞれロール状に巻取ると共に、このロール状に巻
取られた両帯状シートを、所定間隔を置いて対面
状に引出し、その引出し経路上に、表面に接着剤
を塗布したセラミツクボールの収容ホツパーにお
ける供給口を臨ませて、該ホツパー内のセラミツ
クボールを両帯状シートの対面間に多数隙間なく
供給し、然る後両帯状シートを２個一対の加圧ロ
ール間に供給して、この帯状シートを挟圧成形す
ることを特徴とする耐摩耗性シートの製造方法。[Scope of Claims] 1. Two belt-shaped sheets made of unvulcanized rubber are placed facing each other, and a large number of ceramic balls whose surfaces are coated with an adhesive are interposed without any gaps between the facing surfaces. A wear-resistant sheet characterized by being pressure-molded. 2. Wind up two belt-shaped sheets made of unvulcanized rubber into rolls, pull out both of the rolled-up belt-shaped sheets facing each other at a predetermined interval, and place them on the pull-out path. With the supply port of the hopper containing ceramic balls coated with adhesive facing the surface, a large number of ceramic balls in the hopper are fed between the facing sides of both strip-shaped sheets without any gaps, and then both strip-shaped sheets are placed in pairs. A method for producing an abrasion-resistant sheet, characterized in that the belt-shaped sheet is pressure-formed by being fed between pressure rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60045474A JPS61202838A (en) | 1985-03-06 | 1985-03-06 | Abrasion-resistant sheet and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60045474A JPS61202838A (en) | 1985-03-06 | 1985-03-06 | Abrasion-resistant sheet and manufacture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61202838A JPS61202838A (en) | 1986-09-08 |
| JPH0334464B2 true JPH0334464B2 (en) | 1991-05-22 |
Family
ID=12720389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60045474A Granted JPS61202838A (en) | 1985-03-06 | 1985-03-06 | Abrasion-resistant sheet and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61202838A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003025505A (en) * | 2001-05-11 | 2003-01-29 | Santo Shoji Kk | Abrasion-resistant rubber sheet, method for manufacturing the same, and usage of the sheet |
-
1985
- 1985-03-06 JP JP60045474A patent/JPS61202838A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61202838A (en) | 1986-09-08 |
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