JPH01118455A - Platen roller - Google Patents
Platen rollerInfo
- Publication number
- JPH01118455A JPH01118455A JP27680887A JP27680887A JPH01118455A JP H01118455 A JPH01118455 A JP H01118455A JP 27680887 A JP27680887 A JP 27680887A JP 27680887 A JP27680887 A JP 27680887A JP H01118455 A JPH01118455 A JP H01118455A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- roller
- platen roller
- rubber composition
- blending
- 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
- 229920001971 elastomer Polymers 0.000 claims abstract description 34
- 239000005060 rubber Substances 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000002344 surface layer Substances 0.000 claims abstract description 8
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002216 antistatic agent Substances 0.000 claims abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 4
- 239000011737 fluorine Substances 0.000 claims abstract description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000004073 vulcanization Methods 0.000 abstract description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000006229 carbon black Substances 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(III) oxide Inorganic materials O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 description 3
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- -1 2-ethylhexyl Chemical group 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000001825 Polyoxyethene (8) stearate Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/04—Roller platens
- B41J11/057—Structure of the surface
Landscapes
- Handling Of Sheets (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、タイプライタ−等の印字装置に使用されるプ
ラテンローラに関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a platen roller used in a printing device such as a typewriter.
（従来の技術）
従来、タイプライタ−等の印字装置に使用されるプラテ
ンローラとして、アルミ等の金属芯軸上にニトリルゴム
（以下ＮＢＲと称する。）を被覆したものが一般に使用
されている。ＮＢＲを使用するのは、十分なニップが得
られる低硬度配合が可能であり、かつ耐印刷インク性に
非常に優れているからである。(Prior Art) Conventionally, as a platen roller used in printing devices such as typewriters, a metal core shaft made of aluminum or the like coated with nitrile rubber (hereinafter referred to as NBR) is generally used. NBR is used because it can be formulated with a low hardness that provides a sufficient nip and has excellent printing ink resistance.
（発明が解決しようとする問題点）
しかして近年、印字用紙として、紙にポリエステルフィ
ルムを貼り合わせたものが使用されるようになり、この
ようなラミネート紙が従来の普通紙に比べて摩擦帯電を
発生させやすいことから、上記したような従来のローラ
では、かかる帯電が原因でしばしば紙の巻付きを生じ搬
送機能が損なわれるという問題を生じてきた。(Problem to be solved by the invention) However, in recent years, paper laminated with polyester film has come to be used as printing paper, and such laminated paper has a higher frictional charge than conventional plain paper. Therefore, in conventional rollers such as those described above, such charging often causes the paper to wrap around, impairing the conveyance function.
そこで本発明はこのような従来の問題を解決しようとす
るもので、十分なニップが得られ、また耐印刷インク性
にも優れ、しかも表面か帯電することのない高品質高性
能のプラテンローラを提供することを目的とする。Therefore, the present invention aims to solve these conventional problems by creating a high-quality, high-performance platen roller that can provide a sufficient nip, has excellent printing ink resistance, and does not charge up the surface. The purpose is to provide.
［発明の構成］
（問題を解決するための手段）
本発明のプラテンローラは、少くとも表面層が、体積固
有抵抗１×１０ Ω・印以下のゴム組成物により構成
されていることを特徴としている。[Structure of the Invention] (Means for Solving the Problem) The platen roller of the present invention is characterized in that at least the surface layer is composed of a rubber composition having a volume resistivity of 1×10 Ω· or less. There is.
本発明に使用される体積固有抵抗ｌＸ１０６Ω・印以下
のゴム組成物としては、優れた耐印刷インク性を有する
ＮＢＲｌこのＮＢＲに塩化ビニル樹脂をブレンドしたブ
レンドゴム、フッ素ゴム等をベースに、（イ）フッ素系
帯電防止剤、または（ロ）カーボンブラックや金属粉末
等の導電性粉末を配合して所定の体積固有抵抗とされた
組成物が適している。The rubber composition used in the present invention with a volume resistivity of 1 x 106 Ω or less is based on NBR, which has excellent printing ink resistance, a blend rubber made by blending this NBR with a vinyl chloride resin, a fluororubber, etc. ) A composition containing a fluorine-based antistatic agent or (b) a conductive powder such as carbon black or metal powder to have a predetermined volume resistivity is suitable.
ＮＢＲとしては、たとえばＪＳＲＮ２３０−ＳＨ（商品
名 日本合成ゴム社製）、ハイカー１１１０４２ （商
品名 日本ゼオン社製）等があげられ、フッ素ゴムとし
ては、たとえばパイトンＥ４３０ （商品名 Ｄｕ Ｐ
ｏｎｔ社製）、ダイエルＧ７０１ （商品名 ダイキン
工業社製）笠かあげられる。Examples of NBR include JSRN230-SH (trade name, manufactured by Japan Synthetic Rubber Co., Ltd.) and Hiker 111042 (trade name, manufactured by Nippon Zeon Co., Ltd.), and examples of fluororubber include Paiton E430 (trade name, Du P).
(manufactured by Daikin Industries, Ltd.), and Daiel G701 (product name, manufactured by Daikin Industries, Ltd.).
また（イ）のフッ素系帯電防止剤としては、たとえばＥ
ＦＴＯＰ Ｅｒ２Ｏ３、ＥＦＴＯＰ Ｅｒ２Ｏ３（以上
商品名秋田化成社製）等があげられ、その配合量として
は、ベースゴム１００重量部あたり０．１〜１０重量部
程度が適当である。In addition, as the fluorine-based antistatic agent (a), for example, E
Examples include FTOP Er2O3 and EFTOP Er2O3 (trade names manufactured by Akita Kasei Co., Ltd.), and the appropriate blending amount thereof is about 0.1 to 10 parts by weight per 100 parts by weight of the base rubber.
さらに（ロ）の導電性粉末としては、各種市販のものを
使用することができ、その配合量は、ベースゴム１００
重量部あたり５〜６０重量部程度が適当である。Furthermore, as the conductive powder (b), various commercially available products can be used, and the blending amount is 100% of the base rubber.
Approximately 5 to 60 parts by weight per part by weight is appropriate.
本発明の組成物には、以上の成分以外に、各ベースゴム
に通常配合される、硫黄等の加硫剤、加硫を促進させる
ための亜鉛華等の金属酸化物、ジ（２−エチルヘキシル
）フタレー）（ＤＯＰ＞、ジ（２−エチルヘキシル）セ
バケー） （ＤＯ３＞等の可塑剤、老化防止剤、着色剤
その他の添加剤が適宜添加されるか、各成分の配合量は
、ゴム硬度（ＪＩＳＡスプリング式硬度計、以下同じ。In addition to the above-mentioned components, the composition of the present invention also includes a vulcanizing agent such as sulfur, which is usually blended into each base rubber, a metal oxide such as zinc white to accelerate vulcanization, and di(2-ethylhexyl ) phthalate) (DOP>, di(2-ethylhexyl) sebaque) (DO3>, etc.).Plasticizers, anti-aging agents, colorants, and other additives are added as appropriate, and the amount of each component is determined based on the rubber hardness ( JISA spring type hardness tester, same below.
）を、十分なニップが得られる硬度４５以下にする範囲
で使用することが好ましい。) is preferably used within a range where the hardness is 45 or less so that a sufficient nip can be obtained.
ただしベースゴムとしてＮＢＲ以外のものを使用した場
合、あるいは（ロ）の導電性粉末を使用した場合には、
かかる硬度とすることは難しいので、下層として、好ま
しくは４０以下程度の低硬度ゴム層を設け、かつ表面層
の厚さを１ ｍｍ未満、好ましくは０．５ｍｍ前後とす
ることが好ましい。こうすることにより十分なニップが
得られるようになる。なおこのような下層を構成するゴ
ムとしては、特に耐印刷インク性を考慮する必要がない
ので、スチレンゴム、イソプレンゴム、クロロプレンゴ
ム、ブタジェンゴム、エチレン・プロピレンゴム、ハイ
パロン等の一般ゴムのなかから任意に選択使用すること
ができる。However, if something other than NBR is used as the base rubber, or if conductive powder (b) is used,
Since it is difficult to achieve such hardness, it is preferable to provide a low hardness rubber layer, preferably about 40 or less, as the lower layer, and to make the thickness of the surface layer less than 1 mm, preferably around 0.5 mm. By doing this, you will be able to obtain a sufficient nip. The rubber constituting such a lower layer may be any general rubber such as styrene rubber, isoprene rubber, chloroprene rubber, butadiene rubber, ethylene/propylene rubber, Hypalon, etc., since there is no need to take printing ink resistance into consideration. It can be used selectively.
本発明においては、上述の各成分をミキシングロールあ
るいはバンバリーミキサ−等の通常の混練機で混練し、
これを、ブラスト処理および洗浄脱脂したローラ芯軸上
に、必要ならば低硬度のゴム層を設けた上にシート巻き
あるいは押出機により押出して被覆し、次いで加硫させ
る。加硫後、ローラ表面を研削、研磨して本発明のプラ
テンローラが製造される。In the present invention, the above-mentioned components are kneaded using a conventional kneading machine such as a mixing roll or a Banbury mixer,
This is coated on a blasted, washed and degreased roller core shaft, provided with a low hardness rubber layer, if necessary, by sheet winding or extrusion using an extruder, and then vulcanized. After vulcanization, the roller surface is ground and polished to produce the platen roller of the present invention.
（作用）
本発明のプラテンローラでは、少くとも表面層が、体積
固有抵抗１×１０ Ω・σ以下のゴム組成物により形
成されているので、帯電性が改善されローラへの紙の巻
付きが防止される。(Function) In the platen roller of the present invention, at least the surface layer is formed of a rubber composition having a volume resistivity of 1×10 Ω・σ or less, so the charging property is improved and the wrapping of paper around the roller is improved. Prevented.
（実施例） 次に本発明の実施例について記載する。(Example) Next, examples of the present invention will be described.
実施例１
表の実施例１に示す各成分をバンバリーミキサ−で混練
して厚さ６Ｔｌ′ｌｌｌのシート状に成形した。これを
第１図に示すように、アルミ芯軸１上に巻回し、１４０
℃で４０分間加熱加硫させて表に示すような機械的特性
および体積固有抵抗を有する帯電防止性を備えたゴム層
２を形成し、外径４０ｒｎｍ、胴長２１７ ｍｍのプラ
テンローラを得た。Example 1 The components shown in Example 1 in the table were kneaded in a Banbury mixer and formed into a sheet having a thickness of 6Tl'lll. As shown in Fig. 1, this is wound around the aluminum core shaft 1, and
The rubber layer 2 was heated and vulcanized at ℃ for 40 minutes to form an antistatic rubber layer 2 having the mechanical properties and volume resistivity shown in the table, and a platen roller with an outer diameter of 40 nm and a body length of 217 mm was obtained. .
＝ ６−
得られたローラの帯電防止性を調べるために、表面電位
計（モンロー社製）を用いて帯電圧を測定したところ、
５０Ｖであった。ちなみに硬度３１の従来のプラテンロ
ーラの帯電圧は７００〜８００ｖであった。= 6- In order to examine the antistatic property of the obtained roller, the charging voltage was measured using a surface electrometer (manufactured by Monroe).
It was 50V. Incidentally, the charging voltage of a conventional platen roller having a hardness of 31 was 700 to 800V.
実施例２
表の実施例２に示す各成分を実施例１と同様にして厚さ
２■のシート状に成形した。これを第２図に示すように
、予め表面に硬度３ｏの低高度のスチレンゴム層３を設
けたアルミ芯軸１上に巻回し、１５０℃で２０分間加熱
加硫させて表に示すような機械的特性および体積固有抵
抗を存する帯電防止性を備えたゴム層２を形成し、外径
４０ｍｍ、胴長２１７關のプラテンローラを得た。Example 2 Each component shown in Example 2 in the table was molded into a sheet having a thickness of 2 cm in the same manner as in Example 1. As shown in Fig. 2, this was wound around an aluminum core shaft 1 on which a low-grade styrene rubber layer 3 with a hardness of 3o was previously provided on the surface, and heated and vulcanized at 150°C for 20 minutes to form a material as shown in the table. A rubber layer 2 having antistatic properties having mechanical properties and volume resistivity was formed to obtain a platen roller having an outer diameter of 40 mm and a body length of 217 mm.
得られたローラの帯電圧を実施例１と同様にして測定し
たところ、５０Ｖであった。The charging voltage of the obtained roller was measured in the same manner as in Example 1, and was found to be 50V.
（以下余白）
＊１ 日本合成ゴム社製 ＪＳＲＮ２３０−８Ｈ＊２
秋田化成社製 ＥＦＴＯＰ Ｅｒ２Ｏ３［発明の効
果］
以上説明したように本発明のプラテンローラによれば、
少くとも表面層が、体積固有抵抗が１×１０ Ω・印
以上のゴム組成物により形成されているので、表面の帯
電性が改善されてローラへの紙の巻付きが防止され、ロ
ーラの品質、性能か従来のものに比べて一段と向上する
。(Left below) *1 JSRN230-8H manufactured by Japan Synthetic Rubber Co., Ltd. *2
EFTOP Er2O3 manufactured by Akita Kasei Co., Ltd. [Effects of the invention] As explained above, according to the platen roller of the present invention,
At least the surface layer is formed of a rubber composition with a volume resistivity of 1 x 10 Ω or more, which improves the charging properties of the surface, prevents paper from wrapping around the roller, and improves the quality of the roller. , the performance is much improved compared to the conventional one.
第１図は本発明の一実施例を示す横断面図、第２図は他
の実施例を示す横断面図である。
１・・・・・・・・・アルミ芯軸
２・・・・・・・・・帯電防止性のゴム層３・・・・・
・・・・スチレンゴム層
出願人 昭和電線電纜株式会社代理人 弁理士
須 山 佐 −
（ばか１名）FIG. 1 is a cross-sectional view showing one embodiment of the present invention, and FIG. 2 is a cross-sectional view showing another embodiment. 1... Aluminum core shaft 2... Antistatic rubber layer 3...
...Styrene rubber layer applicant Showa Cable and Wire Co., Ltd. agent Patent attorney Sasu Suyama - (1 idiot)
Claims (5)
・ｃｍ以下のゴム組成物により構成されていることを特
徴とするプラテンローラ。(1) At least the surface layer has a volume resistivity of 1×10^6Ω
- A platen roller characterized by being made of a rubber composition of cm or less.
剤を配合してなる低硬度のゴム組成物である特許請求の
範囲第１項記載のプラテンローラ。(2) The platen roller according to claim 1, wherein the rubber composition is a low hardness rubber composition made by blending a fluorine-based antistatic agent with nitrile rubber.
以下である特許請求の範囲第２項記載のプラテンローラ
。(3) Rubber hardness (JISA spring type hardness tester) is 45
A platen roller according to claim 2 as follows.
導電性粉末を配合してなるゴム組成物である特許請求の
範囲第１項記載のプラテンローラ。(4) The platen roller according to claim 1, wherein the rubber composition is a rubber composition prepared by blending conductive powder with nitrile rubber or fluororubber.
合してなるゴム組成物からなる表面層の内側に、この表
面層より低硬度のゴム層を設けてなる特許請求の範囲第
４項記載のプラテンローラ。(5) A rubber layer having a lower hardness than the surface layer is provided inside the surface layer made of a rubber composition made of nitrile rubber or fluororubber mixed with conductive powder. platen roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27680887A JPH01118455A (en) | 1987-10-31 | 1987-10-31 | Platen roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27680887A JPH01118455A (en) | 1987-10-31 | 1987-10-31 | Platen roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01118455A true JPH01118455A (en) | 1989-05-10 |
Family
ID=17574674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27680887A Pending JPH01118455A (en) | 1987-10-31 | 1987-10-31 | Platen roller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01118455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7859556B2 (en) * | 2006-02-27 | 2010-12-28 | Seiko Instruments Inc. | Thermal head and thermal printer using the same |
-
1987
- 1987-10-31 JP JP27680887A patent/JPH01118455A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7859556B2 (en) * | 2006-02-27 | 2010-12-28 | Seiko Instruments Inc. | Thermal head and thermal printer using the same |
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