JP3026009B2 - Gala spinning machine - Google Patents
Gala spinning machineInfo
- Publication number
- JP3026009B2 JP3026009B2 JP01135448A JP13544889A JP3026009B2 JP 3026009 B2 JP3026009 B2 JP 3026009B2 JP 01135448 A JP01135448 A JP 01135448A JP 13544889 A JP13544889 A JP 13544889A JP 3026009 B2 JP3026009 B2 JP 3026009B2
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- cotton
- tension
- gala
- spinning machine
- 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 - Fee Related
Links
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- Spinning Or Twisting Of Yarns (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はわが国独特の紡績であるガラ紡積に用いるガ
ラ紡機の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an improvement in a gala spinning machine used for spinning a gala, which is a unique spinning in Japan.
従来のガラ紡機は西欧式の綿紡績機，梳毛紡績機等の
如く極めて多くの工程を必要とせず、ラップ状にした原
料綿を綿筒に詰め、これより直接紡ぐという簡単な構成
よりなる。A conventional gala spinning machine does not require an extremely large number of steps as in a Western-style cotton spinning machine and a worsted spinning machine, and has a simple structure in which wrapped raw cotton is packed in a cotton tube and directly spun therefrom.
すなわち、第９図に示すように、ローラ（１）の回転
により爪（２）を設けてなるプーリ（３）が回転する。
プーリ（３）の中心孔には綿筒（４）の下部に設けた台
芯（５）が上下移動自在に嵌入され、上記台芯（５）の
下端は、天秤（６）の一端に接しつゝ、他端に設けた重
錘（７）により綿筒（４）を上方に押圧している。That is, as shown in FIG. 9, the rotation of the roller (1) causes the pulley (3) provided with the pawl (2) to rotate.
A core (5) provided at the lower part of the cotton tube (4) is fitted in the center hole of the pulley (3) so as to be movable up and down, and the lower end of the core (5) is in contact with one end of the balance (6). First, the cotton cylinder (4) is pressed upward by the weight (7) provided at the other end.
プーリ（３）が回転すれば綿筒（４）の下端に設けた
爪（８）とプーリ（３）の上面にある爪（２）が相接し
て綿筒（４）が回転する。When the pulley (3) rotates, the claw (8) provided at the lower end of the cotton cylinder (4) and the claw (2) on the upper surface of the pulley (3) come into contact with each other, and the cotton cylinder (4) rotates.
綿筒（４）に詰められた綿は導糸につながれ綿筒
（４）の中から引き出され、綿筒の回転でよりが与えら
れることによって糸（９）を形成し、糸巻きコーン（1
0）により回転する巻取りローラ（11）に巻取られる。The cotton packed in the cotton tube (4) is connected to a yarn guide, pulled out from the cotton tube (4), and twisted by the rotation of the cotton tube to form a yarn (9).
The roller is wound by the winding roller (11) rotating by (0).
上記紡糸工程において紡糸がある程度の張力に耐えら
れるようになると綿筒（４）は引っ張りあげられ爪
（２）と爪（８）とが外れ綿筒（４）の回転は停止す
る。紡糸によりがかからなくなり、紡糸が引続き巻き上
げられるためより数は次第に減少し、綿筒の自重により
繊維間で滑りが生じ、糸は次第に細くなり、綿筒の重量
を支える事ができず、綿筒（４）は自重で降下し、爪
（２）（８）は再び接触して回転する、この操作を順次
繰り返して糸は引き伸ばされ、紡がれる。In the spinning step, when the spinning becomes able to withstand a certain amount of tension, the cotton tube (4) is pulled up, the claws (2) and the claws (8) are disengaged, and the rotation of the cotton tube (4) is stopped. Since the spinning stops and the spinning continues to be wound, the number gradually decreases, the weight of the cotton tube causes slippage between the fibers, the yarn gradually becomes thinner, the weight of the cotton tube cannot be supported, The cylinder (4) descends by its own weight, and the claws (2) and (8) come into contact again and rotate. This operation is sequentially repeated, and the yarn is stretched and spun.
上記の如く、従来のガラ紡機は機械の構造が簡単な割
には比較的均一な糸が得られるという長所があるが、よ
り均一な糸を形成し難く、また、高速化が難かしく生産
性が悪いという問題点があった。As described above, the conventional gala spinning machine has the advantage that a relatively uniform yarn can be obtained in spite of the simple structure of the machine, but it is difficult to form a more uniform yarn, and it is difficult to increase the speed and productivity is high. There was a problem that was bad.
そこで、従来のガラ紡機において、綿筒と巻取りロー
ラ間の所定位置に、糸の張力を検知する検知手段を設け
て糸の張力を検知すると共に、綿筒の回転速度、糸の太
さを測定した結果を第10図，第11図，第12図に示す。Therefore, in a conventional gala spinning machine, a detection means for detecting the tension of the yarn is provided at a predetermined position between the cotton cylinder and the take-up roller to detect the tension of the yarn, and the rotational speed of the cotton cylinder and the thickness of the yarn are determined. The measured results are shown in FIG. 10, FIG. 11, and FIG.
図に示される如く、糸の張力の変動が大きく、かつ、
変動周期も大であるため、綿筒の回転速度への応答が緩
慢となり、糸の太さむらが大きくなっていることがわか
る。なお、上記例において糸の巻取り速度は7.9mm/sec
である。As shown in the figure, the fluctuation of the yarn tension is large, and
Since the fluctuation cycle is also large, it can be seen that the response to the rotational speed of the cotton cylinder is slow, and the thickness unevenness of the yarn is large. In the above example, the winding speed of the yarn was 7.9 mm / sec.
It is.
本発明は上記従来のガラ紡機における問題点を解決す
るために、糸の張力変動を検知し、張力変動巾をできる
だけ小さくするよう綿筒の回転を応答よく自動制御し
て、より均一な糸を紡糸し、かつ生産性の向上を目的と
するものである。The present invention, in order to solve the above-mentioned problems in the conventional gala spinning machine, detects fluctuations in the tension of the yarn, and automatically controls the rotation of the cotton cylinder in a responsive manner so as to minimize the width of the tension fluctuation, thereby producing a more uniform yarn. The purpose is to spin and improve productivity.
本発明は供給された原料を収納し、駆動装置により回
転し、本体に回転自在に載置された綿筒と、上記綿筒よ
り糸を引き出し、巻き取る巻取りローラとを設けてなる
装置において、上記綿筒と巻取りローラの間の所定位置
に、糸を張力を検知する検知手段を設け、上記検知した
値とあらかじめ設定した基準値とを比較して修整値を演
算する演算手段と、上記修整値より上記駆動装置を制御
する制御手段とを設けてなることを特徴とするガラ紡機
を提供するものである。The present invention is a device comprising a supplied cotton material, which is provided with a cotton cylinder rotatably mounted on a main body, which is rotatably mounted on a main body, and which draws a thread from the cotton cylinder and winds the yarn. At a predetermined position between the cotton cylinder and the take-up roller, a detecting means for detecting the tension of the yarn is provided, and a calculating means for calculating a modified value by comparing the detected value with a preset reference value; The present invention provides a gala spinning machine characterized by comprising control means for controlling the drive device based on a modified value.
以下本発明のガラ紡機の一実施例を図面に基づいて説
明する。An embodiment of a gala spinning machine according to the present invention will be described below with reference to the drawings.
第１図は本発明の要部構成を示す構成図、第２図は本
発明の本体構造の一例を示す正面図、第３図は同コンピ
ューターによる制御系統を示すブロックダイヤグラムで
ある。FIG. 1 is a block diagram showing a main configuration of the present invention, FIG. 2 is a front view showing an example of a main body structure of the present invention, and FIG. 3 is a block diagram showing a control system by the computer.
綿筒（12）は本体（13）に回転自在に載置されてお
り、綿筒（12）の下部に設けたプーリ（14）が駆動装置
（15）により回転することにより自在に回転する。The cotton cylinder (12) is rotatably mounted on the main body (13), and is freely rotated by a pulley (14) provided below the cotton cylinder (12) being rotated by a driving device (15).
（16）は巻取りローラであり、駆動装置により回転さ
れる。(16) is a winding roller, which is rotated by a driving device.
上記綿筒（12）と巻取りローラ（16）の間の所定位置
に、糸の張力を検知する検知手段（17）と、糸の太さを
検知する検知手段（18）を設ける。At a predetermined position between the cotton tube (12) and the winding roller (16), a detecting means (17) for detecting the tension of the yarn and a detecting means (18) for detecting the thickness of the yarn are provided.
上記糸張力検知手段（17）により、検知した値とあら
かじめ設定した基準値とをコンピューターにより比較
し、修整値を演算する演算手段と、上記修整値より上記
駆動装置（15）を制御する制御手段とを設けて本発明の
ガラ紡機を構成する。A computing means for comparing a value detected by the thread tension detecting means (17) with a reference value set in advance by a computer to calculate a modified value, and a control means for controlling the driving device (15) from the modified value. Are provided to constitute the gala spinning machine of the present invention.
なお、（19）はフオトカプラ、あるいは接触式回転計
等を用いた綿筒の回転速度検知手段であり、糸太さ検出
手段（18）としてはフオトダイオードアレイによる光学
的手段あるいは静電容量式手段等を用いることができ
る。(19) is a cotton cylinder rotational speed detecting means using a photocoupler or a contact type tachometer, and the thread thickness detecting means (18) is an optical means using a photodiode array or a capacitance type means. Etc. can be used.
また、張力検知手段（17）としては三点式、ガイドピ
ン式等の検知手段を用いることができる。Further, as the tension detecting means (17), a detecting means such as a three-point type or a guide pin type can be used.
また、綿筒（12）の駆動装置（15）の制御は、オン，
オフ制御のみでなく、修整値の値による自動変速とする
ことも可能である。In addition, the control of the driving device (15) of the cotton tube (12) is ON,
In addition to the off-control, it is also possible to perform automatic gear shifting based on the modified value.
また、糸の太さ検知手段により検知した値により、巻
取りローラの駆動装置を制御して糸太さ等を変更した
り、あるいは綿筒の駆動装置を制御してより数等を制御
することもできる。In addition, it is necessary to control the driving device of the winding roller to change the yarn thickness or the like based on the value detected by the yarn thickness detecting means, or to control the number of the cotton cylinder by controlling the driving device of the cotton cylinder. Can also.
本発明のガラ紡機は上記構成よりなっており、まず綿
筒（12）に所要の原料綿が収納される。原料綿としては
綿、羊毛等の天然繊維、レーヨン、ポリエステル、ポリ
アクリルニトリル等の化学繊維、あるいはガラス繊維、
炭素繊維、金属繊維等の無機繊維等を用い、上記繊維を
単独で、あるいは混綿してラップを形成し、上記ラップ
を所要量分巻取って円筒状に形成したものを用いる。ま
た、混綿の方法としては、種類の異なるラップを重ねて
円筒状に巻取って形成した原料綿を用いることもある。The gala spinning machine of the present invention has the above-described configuration. First, required cotton is stored in the cotton tube (12). As raw material cotton, natural fibers such as cotton and wool, chemical fibers such as rayon, polyester and polyacrylonitrile, or glass fibers,
A wrap is formed by using an inorganic fiber such as a carbon fiber or a metal fiber alone or by blending the above fiber, and the wrap is wound up by a required amount and formed into a cylindrical shape. In addition, as a method of mixing cotton, raw cotton formed by stacking different types of wraps and winding them into a cylindrical shape may be used.
なお、上記原料綿としては従来の西欧式の綿紡績機に
おいては紡績できないような短繊維を用いることもで
き、また、各種短繊維、粉状体等を糸のよりかゝる位置
近傍において供給することにより各種意匠糸を紡糸する
こともできる。As the raw cotton, short fibers that cannot be spun with a conventional Western-style cotton spinning machine can be used, and various short fibers, powders, and the like are supplied in the vicinity of the position where the yarn is twisted. By doing so, various design yarns can be spun.
上記綿筒（12）に収納された原料綿は導糸につなが
れ、綿筒の中から引き出され、駆動装置（15）により綿
筒（12）は回転されているのでよりが与えられ糸（９）
を形成し、巻取りローラ（16）に巻取られる。The raw cotton stored in the cotton tube (12) is connected to a yarn guide, pulled out from the cotton tube, and twisted because the cotton tube (12) is rotated by the driving device (15). )
And wound up by a take-up roller (16).
上記紡糸工程において巻取りローラ（16）の下方に設
けた糸張力検知手段（17）により、糸の張力が検知され
る。In the spinning process, the yarn tension is detected by a yarn tension detecting means (17) provided below the winding roller (16).
一方コンピューターにはあらかじめ基準張力値が条件
設定手段により設定されており、上記張力検知手段によ
り検知された張力値と、基準値とをデータ演算手段によ
り比較演算し、基準張力値を超えた場合、駆動装置が制
御手段により制御され、綿筒（12）の回転は停止する。On the other hand, the reference tension value is set in advance by the condition setting means in the computer, and the tension value detected by the tension detection means is compared with the reference value by the data calculation means, and when the reference tension value is exceeded, The driving device is controlled by the control means, and the rotation of the cotton tube (12) stops.
紡糸された糸は引続き巻取りローラ（16）により巻き
上げられるため、糸はよりがあまくなり、引き伸ばされ
て細くなり、糸張力は次第に減少する。Since the spun yarn is subsequently wound up by the take-up roller (16), the yarn becomes looser, stretched and thinned, and the yarn tension gradually decreases.
そして、糸張力検知手段（17）により検知された張力
値が基準張力値以下となると、上記データ演算手段，制
御手段の作用により駆動装置（15）は駆動し、綿筒（1
2）は回転する。When the tension value detected by the yarn tension detecting means (17) becomes equal to or less than the reference tension value, the driving device (15) is driven by the operation of the data calculating means and the control means, and the cotton cylinder (1) is driven.
2) rotate.
上記操作を順次くり返すことにより糸は連続紡糸され
る。The yarn is continuously spun by repeating the above operations sequentially.
第４図は綿筒の回転停止張力値を19.5gとし、また回
転開始張力値を19.5gに設定し、糸の張力値の時間的経
過を示すグラフ、第５図は上記設定条件のもとにおける
綿筒の回転速度の時間的経過を示すグラフ、第６図は糸
の太さの変化を示すグラフであり、従来の第10図〜第12
図に示すグラフと比較し、糸の張力値の変化が少なく、
綿筒の回転速度の変化が小刻みに行われ、糸の太さの均
一な糸が得られることがわかる。FIG. 4 is a graph showing the time course of the thread tension value when the rotation stop tension value of the cotton cylinder is set to 19.5 g and the rotation start tension value is set to 19.5 g. FIG. FIG. 6 is a graph showing a change in thread thickness over time, and FIG. 6 is a graph showing a change in thread thickness.
Compared to the graph shown in the figure, there is less change in the yarn tension value,
It can be seen that the rotation speed of the cotton tube is changed little by little, and a yarn having a uniform thickness can be obtained.
また、第７図、第８図は綿筒の回転速度を従来の３倍
の1500r.p.mとし、巻取り速度を従来の7.9mm/secの約５
倍の39.5mm/secとしたときの糸の平均太さ、より数と設
定張力を示すグラフであり、従来の約５倍の巻取り速度
としても十分紡糸が可能であることがわかる。7 and 8 show that the rotation speed of the cotton cylinder is 1500 rpm, which is three times the conventional speed, and the winding speed is approximately 5 mm, which is 7.9 mm / sec.
It is a graph showing the average thickness of the yarn, the number of twists, and the set tension when 39.5 mm / sec is doubled, and it can be seen that spinning can be sufficiently performed even if the winding speed is about five times the conventional speed.
なお、基準張力値はコンピューターを用いて容易に設
定できるので、紡糸中においても任意に変更が可能であ
り、従って、周期的に、あるいは不規則的に糸の太さを
変えて紡糸することもできる。In addition, since the reference tension value can be easily set using a computer, it can be arbitrarily changed even during spinning, and therefore, it is possible to spin the yarn periodically or irregularly by changing the thickness of the yarn. it can.
また、糸番手の調整は基本的には基準張力値を変更し
たり、綿筒への原料綿の収納方法（硬軟度等）を変更す
ることにより行う事ができるが、原料綿の製造方法、綿
筒への収納方法（硬軟度等）、綿筒の回転速度、巻取り
速度、ストレッチ、自動制御の応答速度等を適宜変更す
ることにより糸番手、より数、糸の風合等を種々に変更
することができるものである。In addition, the yarn count can be basically adjusted by changing the reference tension value or the method of storing the raw cotton in the cotton cylinder (hardness etc.). By appropriately changing the storage method (hardness etc.) in the cotton cylinder, the rotation speed of the cotton cylinder, winding speed, stretching, response speed of automatic control, etc., the yarn count, the number of strands, the feeling of the yarn, etc. can be varied. It can be changed.
本発明のガラ紡機は上記の構成よりなり、糸の張力を
検知する検知手段を設け、綿筒の駆動装置をコンピュー
ターを用いて制御しているので、綿筒の回転速度を自動
制御することができる。The gala spinning machine of the present invention has the above-described configuration, and is provided with a detecting unit for detecting the tension of the yarn, and the driving device of the cotton cylinder is controlled using a computer, so that the rotation speed of the cotton cylinder can be automatically controlled. it can.
従来のガラ紡機においては綿筒が持ち上げられても慣
性によりしばらく回転が続き、応答が遅いために高速化
に限界があり、また糸張力のバラツキも大で、糸の太さ
むらも大であるが、本発明においては、上記の如く張力
値の振幅が小さくなり、張力値および綿筒の回転の振幅
も小刻みとなり、糸の太さのバラツキを著しく減ずるこ
とができる。In a conventional gala spinning machine, even if the cotton tube is lifted, rotation continues for a while due to inertia, and the response is slow, so there is a limit to speeding up, and there is also large variation in yarn tension and large unevenness in yarn thickness. However, in the present invention, the amplitude of the tension value is reduced as described above, the amplitude of the tension value and the amplitude of the rotation of the cotton tube are also small, and the variation in the thickness of the yarn can be significantly reduced.
また、張力値を適当に設定することにより、より均一
で細い糸を形成することができる。In addition, by setting the tension value appropriately, a more uniform and thin thread can be formed.
また、綿筒の回転速度を速くすることにより従来より
巻取り速度を著しく高速化でき、生産性の向上を達する
事ができる。Further, by increasing the rotation speed of the cotton tube, the winding speed can be remarkably increased as compared with the conventional case, and an improvement in productivity can be achieved.
また、基準張力値の設定変更も紡糸中に任意に変更で
きるので各種意匠糸を紡糸することが可能となる。In addition, since the setting change of the reference tension value can be arbitrarily changed during the spinning, it is possible to spin various design yarns.
さらに、綿筒に所要の原料綿を収納して紡糸できるの
で多品種少量生産に有効な紡績方法であり、得られた糸
は吸水性がよく、柔らかい糸や各種意匠糸も紡糸できる
等優れた効果を有する発明である。Furthermore, since the required raw cotton can be stored and spun in a cotton cylinder, it is an effective spinning method for multi-product small-lot production.The obtained yarn has good water absorption, and is excellent in that it can spin soft yarns and various design yarns. This is an invention having an effect.
第１図は本発明のガラ紡機の一実施例を示す構成図、第
２図は同本体構造の正面図、第３図は同コンピューター
による制御系統を示すブロックダイヤグラム、第４図は
本発明を用いて紡糸した場合の糸の張力変動図、第５図
は同綿筒の回転速度変動図、第６図は同糸の太さ変動
図、第７図，第８図は各々同糸の平均太さの設定張力関
係図および糸の平均より数と設定張力関係図、第９図は
従来のガラ紡機の構成図、第10図，第11図，第12図は各
々従来の紡糸における糸の張力変動図、綿筒の回転速度
変動図および糸の太さの変動図である。 （１）……ローラ、（２）（８）……爪 （３）（14）……プーリ、（４）（12）……綿筒 （５）……台芯、（６）……天秤 （７）……重錘、（９）……糸 （10）……糸巻きコーン （11）（16）……巻取りローラ、（13）……本体 （15）……駆動装置、（17）……張力検知手段 （18）……糸太さ検知手段、（19）……回転速度検知手
段FIG. 1 is a block diagram showing an embodiment of the gala spinning machine of the present invention, FIG. 2 is a front view of the main body structure, FIG. 3 is a block diagram showing a control system by the computer, and FIG. Fig. 5 is a diagram showing the fluctuation of the rotation speed of the cotton cylinder, Fig. 6 is a diagram showing the fluctuation of the thickness of the yarn, and Figs. 7 and 8 are the averages of the yarn. FIG. 9 is a diagram showing the relationship between the set tension of the thickness and the relationship between the number of set yarns and the set tension. FIG. 9 is a diagram showing the configuration of a conventional gala spinning machine, and FIGS. It is a tension fluctuation diagram, a rotation speed fluctuation diagram of a cotton cylinder, and a fluctuation diagram of a thread thickness. (1) Roller, (2) (8) Claw (3) (14) Pulley, (4) (12) Cotton tube (5) Core, (6) Balance (7) ... weight, (9) ... thread (10) ... thread wound cone (11) (16) ... winding roller, (13) ... body (15) ... drive device, (17) ... tension detecting means (18) ... thread thickness detecting means, (19) ... rotational speed detecting means
フロントページの続き (56)参考文献 特開 昭63−282316（ＪＰ，Ａ) 特開 昭61−89334（ＪＰ，Ａ) 特公 昭４−364（ＪＰ，Ｂ１) 実公 昭７−13032（ＪＰ，Ｙ１) 実公 昭23−4296（ＪＰ，Ｙ１) 中村 耀、「繊維の実際知識」東洋経 済新報社、昭和47年２月25日、ｐ．126 〜127Continuation of the front page (56) References JP-A-63-282316 (JP, A) JP-A-61-89334 (JP, A) JP-B4-364 (JP, B1) JP-B7-17-13232 (JP, A1) 23-4296 (JP, Y1) You Nakamura, "Actual knowledge of textiles", Toyo Keizai Shinposha, February 25, 1972, p. 126 to 127
Claims (1)
回転し、本体に回転自在に載置された綿筒と、上記綿筒
より糸を引き出し、巻取る巻取りローラとを設けてなる
装置において、上記綿筒と巻取りローラの間の所定位置
に、糸の張力を検知する検知手段を設け、上記検知した
値とあらかじめ設定した基準値とを比較して修正値を演
算する演算手段と、上記修正値より上記駆動装置を制御
する制御手段とを設けると共に、上記綿筒と巻取りロー
ラの間の所定位置に、糸の太さを検知する検知手段を設
け、上記検知した値により巻取りローラの駆動装置を制
御する制御手段を設けてなることを特徴とするガラ紡
機。An apparatus comprising: a cotton cylinder which stores a supplied raw material, is rotated by a driving device, and is rotatably mounted on a main body, and a winding roller which draws out and winds the yarn from the cotton cylinder. At a predetermined position between the cotton cylinder and the take-up roller, a detecting means for detecting the tension of the yarn is provided, and a calculating means for calculating a correction value by comparing the detected value with a preset reference value. And control means for controlling the driving device based on the correction value, and a detection means for detecting the thickness of the yarn at a predetermined position between the cotton cylinder and the take-up roller, and winding based on the detected value. A gala spinning machine provided with control means for controlling a driving device of a take-up roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01135448A JP3026009B2 (en) | 1989-05-29 | 1989-05-29 | Gala spinning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01135448A JP3026009B2 (en) | 1989-05-29 | 1989-05-29 | Gala spinning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03822A JPH03822A (en) | 1991-01-07 |
| JP3026009B2 true JP3026009B2 (en) | 2000-03-27 |
Family
ID=15151952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01135448A Expired - Fee Related JP3026009B2 (en) | 1989-05-29 | 1989-05-29 | Gala spinning machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3026009B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07243489A (en) * | 1994-03-02 | 1995-09-19 | Ind Technol Res Inst | Variable speed take-up motion |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2579519Y2 (en) * | 1993-07-28 | 1998-08-27 | 東京特殊電線株式会社 | Digitizer sensor plate |
-
1989
- 1989-05-29 JP JP01135448A patent/JP3026009B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 中村 耀、「繊維の実際知識」東洋経済新報社、昭和４７年２月２５日、ｐ．１２６〜１２７ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03822A (en) | 1991-01-07 |
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