JP2719391B2 - Rubber mat manufacturing method - Google Patents
Rubber mat manufacturing methodInfo
- Publication number
- JP2719391B2 JP2719391B2 JP7475789A JP7475789A JP2719391B2 JP 2719391 B2 JP2719391 B2 JP 2719391B2 JP 7475789 A JP7475789 A JP 7475789A JP 7475789 A JP7475789 A JP 7475789A JP 2719391 B2 JP2719391 B2 JP 2719391B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- rubber sheet
- powder
- rubber mat
- unvulcanized
- 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
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はゴルフ場のカート及び歩行路マツト、ハウス
内床マツト、牛舎や豚舎等のマツト、更には鉄道関係の
防振マツトに利用できる粉末ゴムを利用したゴムマツト
の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a powder that can be used for carts and pedestrian mats in golf courses, mats in house floors, mats in cowsheds and pig houses, and vibration-proof mats related to railways. The present invention relates to a method for producing rubber mat using rubber.
従来から粉末ゴムを利用したゴムマツトが用いられて
おり、牛舎や豚舎等のマツト、ガスボンベの敷物等の重
量物支持用とされている。BACKGROUND ART Conventionally, rubber mats using powdered rubber have been used, and are used for supporting heavy materials such as mats in cowsheds and pig houses, rugs for gas cylinders, and the like.
このゴムマツトは一般には粉末ゴムにバインダーを混
ぜ、これをモールド内に入れて加硫されている。従っ
て、出来上がった製品はその表面には粉末ゴムが剥き出
しになるため、外観のみならず耐久性が極端に悪いもの
であった。This rubber mat is generally vulcanized by mixing a powder rubber with a binder and placing it in a mold. Therefore, the finished product had extremely poor durability as well as appearance because powdered rubber was exposed on the surface.
更に、例えば特開昭49−31773号では表面にゴムシー
トを張り合せて一体に成型加硫する方法も提案されてい
る。しかし、これはいずれもカレンダーロールにて前も
ってシート状にされているものを使用するため製品自身
が比較的柔らかく、重量物の敷物には適さない。またこ
のゴムシートと粉末ゴムのシートとの間に存在する空気
は、一体成形中に外に抜けないため空気がそのまま取り
込まれ、いわゆるエアー溜りが出来る欠点があった。Further, for example, Japanese Patent Application Laid-Open No. 49-31773 proposes a method of laminating a rubber sheet on the surface and integrally molding and vulcanizing. However, since each of them uses a sheet previously formed by a calender roll, the product itself is relatively soft and is not suitable for a heavy rug. Further, the air existing between the rubber sheet and the powder rubber sheet does not escape outside during the integral molding, so that the air is taken in as it is, so that there is a drawback that a so-called air pool is formed.
〔発明の目的〕 本発明は上記事実を考慮し、エアー溜りがなく外観及
び耐久性に優れたゴムマツトを得る製造方法を提供する
ことを目的としている。[Object of the Invention] The present invention has been made in view of the above-described circumstances, and has as its object to provide a method for producing a rubber mat having no air pockets and excellent appearance and durability.
前記の目的を達成するために、本発明はモールド内に
バインダーを充填した粉末ゴムの層と、多数の穴を穿っ
た表面材用の未加硫ゴムシート層とを隣接形成し、これ
らを加圧加熱下にて一体化することを特徴とするゴムマ
ツトの製造方法に係るものである。In order to achieve the above object, the present invention forms a powder rubber layer filled with a binder in a mold and an unvulcanized rubber sheet layer for a surface material having a large number of holes formed adjacent to each other. The present invention relates to a method for producing a rubber mat, which is integrated under pressure heating.
そしてこの場合、表面材用の未加硫ゴムシートは、バ
インダーを充填した粉末ゴム層の片面に隣接形成するこ
とも、更には場合によってはその両面に形成してもよい
ことは勿論である。In this case, the unvulcanized rubber sheet for the surface material may be formed on one side of the powder rubber layer filled with the binder, or may be formed on both sides in some cases.
ここで使用される粉末ゴムは、タイヤその他の加硫済
のゴム製品を粉末状にしたものが主であって、その粒度
は自由ではあるが、製品の目的によって一般には１〜2m
/m程度の大きさがよい。The powder rubber used here is mainly a tire or other vulcanized rubber product in the form of powder, and its particle size is free, but it is generally 1 to 2 m depending on the purpose of the product.
/ m size is good.
また、前記の粉末ゴムに混合されて用いられるバイン
ダーは、SBR、NR、NBR系のゴム、硫黄、ウレタン樹脂、
エポキシ樹脂、エチレン−酢酸ビニル共重合体等が適宜
選択されて用いられ、ゴム系においては前記の粉末ゴム
10kgに対して、200〜300g程度が使用される。The binder used by being mixed with the powder rubber is SBR, NR, NBR rubber, sulfur, urethane resin,
Epoxy resins, ethylene-vinyl acetate copolymers and the like are appropriately selected and used.
About 200-300g is used for 10kg.
一方、未加硫ゴムシートは、特に制限がなく、これも
マツトの目的とする製品によって各種のゴムが選択さ
れ、一般にはカレンダーロールにて55〜90℃の条件下毎
分５〜8cmのスピードで押し出される。On the other hand, the unvulcanized rubber sheet is not particularly limited, and various rubbers are also selected depending on the intended product of Matsut. Extruded with.
そしてこの未加硫ゴムシートは、製品の両面に必ずし
も存在する必要はなく、場合によってはその一方側の面
にあれば十分な場合もある。The unvulcanized rubber sheet does not necessarily need to be present on both sides of the product, and in some cases, it may be sufficient if it is on one side.
また、この未加硫ゴムシートには沢山の穴が開けられ
ているものであって、例えば直径約３〜5m/m程度の穴で
あり、成形時の主として粉末ゴム中から出てくるエアー
抜きに供される。The unvulcanized rubber sheet has many holes, for example, holes having a diameter of about 3 to 5 m / m. To be served.
そして成形（加硫）条件であるが、モールド内に未加
硫ゴムシートと粉末ゴムとの層を形成し、150〜200kg/c
m2、好ましくは170〜180kg/cm2の圧力をかけ、加硫成形
温度130〜180℃、好ましくは150〜170℃で、加硫時間は
20〜40分程度とする。The molding (vulcanization) conditions are as follows: a layer of unvulcanized rubber sheet and powdered rubber is formed in the mold, and 150 to 200 kg / c
m 2, preferably a pressure of 170~180kg / cm 2, vulcanization temperature 130 to 180 ° C., preferably 150-170 ° C., vulcanization time
It takes about 20 to 40 minutes.
最終のゴムマツトの平面形状を有する下モールド内
に、直径4m/mの穴を多数穿った未加硫ゴムシート（厚さ
0.5m/m）を挿入する。An unvulcanized rubber sheet (thickness: 4m / m) with many holes with a diameter of 4m / m
0.5m / m).
次いで粒度1.0〜1.5m/mの粉末ゴム38kgにバインダー
としてSBRを900g充填したものをこの未加硫ゴムシート
上に入れこれを十分平らにならす。Next, 38 kg of powdered rubber having a particle size of 1.0 to 1.5 m / m filled with 900 g of SBR as a binder is put on this unvulcanized rubber sheet, and this is sufficiently flattened.
そして更に同様の未加硫ゴムシートをこの上に載せて
上モールドを重ね、170kg/cm2の加圧下に一体成形す
る。この加硫条件は160℃×30分とした。Then, the same unvulcanized rubber sheet is further placed on this, the upper mold is overlaid, and integrally molded under a pressure of 170 kg / cm 2 . The vulcanization conditions were 160 ° C. × 30 minutes.
出来上がったゴムマツトはその両面に加硫されたゴム
シート面が露出しており、粉末ゴムはその表面にはな
い。そしてこのゴムシート層と粉末ゴム層との層間には
エアーは全く残っておらずエアーによる膨れは存在しな
い。In the finished rubber mat, the vulcanized rubber sheet surface is exposed on both surfaces, and the powder rubber is not on the surface. No air remains between the rubber sheet layer and the powder rubber layer, and no swelling due to air exists.
以上説明したように本発明によれば、未加硫ゴムシー
トに予め穴を穿ってあるので、マツト成形時のゴム中か
らのエアーはこの穴を通って完全に逃げることができ、
一方製品としては、その表面がゴムシートであるため外
観が良くかつ耐久性能もアツプする等の優れた効果を有
する。As described above, according to the present invention, since the unvulcanized rubber sheet is pre-punched, air from the rubber during mat molding can completely escape through this hole,
On the other hand, the product has excellent effects such as good appearance and improved durability because the surface is a rubber sheet.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｋ 103:00 Ｂ２９Ｌ 9:00 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code Agency reference number FI Technical display location B29K 103: 00 B29L 9:00
Claims (1)
ゴムの層と、多数の穴を穿った表面材用の未加硫ゴムシ
ート層とを隣接形成し、これらを加圧加熱下にて一体化
することを特徴とする粉末ゴムを使用したゴムマツトの
製造方法。In a mold, a powder rubber layer filled with a binder and an unvulcanized rubber sheet layer for a surface material having a large number of holes are formed adjacent to each other, and these are integrally formed under pressure and heat. A method for producing rubber mat using powdered rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7475789A JP2719391B2 (en) | 1989-03-27 | 1989-03-27 | Rubber mat manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7475789A JP2719391B2 (en) | 1989-03-27 | 1989-03-27 | Rubber mat manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02252511A JPH02252511A (en) | 1990-10-11 |
| JP2719391B2 true JP2719391B2 (en) | 1998-02-25 |
Family
ID=13556465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7475789A Expired - Lifetime JP2719391B2 (en) | 1989-03-27 | 1989-03-27 | Rubber mat manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2719391B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6602586B2 (en) * | 1999-08-05 | 2003-08-05 | Hayakawa Rubber Company Limited | Elastic blocks and process for producing the same |
-
1989
- 1989-03-27 JP JP7475789A patent/JP2719391B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02252511A (en) | 1990-10-11 |
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