JPH07148285A - Gut for racket - Google Patents
Gut for racketInfo
- Publication number
- JPH07148285A JPH07148285A JP5326296A JP32629693A JPH07148285A JP H07148285 A JPH07148285 A JP H07148285A JP 5326296 A JP5326296 A JP 5326296A JP 32629693 A JP32629693 A JP 32629693A JP H07148285 A JPH07148285 A JP H07148285A
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- gut
- coating layer
- electron beam
- resin coating
- 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.)
- Withdrawn
Links
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明はテニスやバドミントン
などのラケットに用いられる耐久性にすぐれた合成繊維
糸製ガットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic fiber yarn gut having excellent durability, which is used for rackets such as tennis and badminton.
【０００２】[0002]
【従来の技術】従来、古くからラケット用ガットとして
羊や牛の腸、鯨筋などの動物繊維の撚糸からなる天然ガ
ットが用いられている。この天然ガットは、非常にすぐ
れた反発性を有していて、弛みが少なく、快い打球音を
発し、プレーヤに快い打球感を与えるガットとして好評
を得、現在も使用されている。2. Description of the Related Art Conventionally, as a racket gut, a natural gut made of twisted yarn of animal fibers such as intestines of sheep and cattle and whale muscle has been used for a long time. This natural gut has very good resilience, has little slack, emits a pleasant hitting sound, and has been well-received as a gut that gives a player a pleasant hitting feeling, and is still used.
【０００３】しかしながら、天然ガットは、耐水性に劣
るという欠点に加えて、非常に高価であるため、一般の
テニス愛好者には殆ど使用されていない。However, natural gut, in addition to the drawback of being inferior in water resistance, is very expensive, and is rarely used by general tennis lovers.
【０００４】この天然ガットに代わって、ポリアミド繊
維やポリエステル繊維などの合成繊維を芯糸や側糸とし
て用い、最外周に合成樹脂被覆層を形成したガットが数
多く提案されている。これらのガットは、耐水性を有
し、ソフトな使用感と安価に入手できることから広く普
及しつつあるが、天然ガットに比べて反発性、耐摩耗性
などが劣ることが欠点である。In place of the natural gut, many guts have been proposed in which synthetic fibers such as polyamide fibers and polyester fibers are used as core yarns and side yarns and a synthetic resin coating layer is formed on the outermost periphery. These guts are becoming widespread because they have water resistance, are soft in use, and can be obtained at a low price, but they are disadvantageous in that they are inferior in resilience and abrasion resistance as compared with natural guts.
【０００５】さらに、近年引っ張り強力、耐摩耗性のよ
いアラミド繊維（芳香族ポリアミド繊維）が開発され、
このアラミド繊維とナイロンフィラメントを芯糸、側糸
として用いたもの（実開昭６０−１６８８５７号）、金
属芯線の外周にアラミド繊維を編んだもの（特開昭６１
−１９３６７９号）、ナイロンやポリエステルのモノフ
ィラメントからなる芯糸の表面にアラミド繊維を被覆編
組したもの（特開昭６２−１３３１３８号）などが提案
されている。Furthermore, in recent years, aramid fibers (aromatic polyamide fibers) having good tensile strength and good wear resistance have been developed,
This aramid fiber and nylon filament are used as a core yarn and a side yarn (Actual No. Sho 60-168857), and a aramid fiber is knitted on the outer periphery of a metal core wire (JP-A-61-61).
No. 193679), a core yarn composed of a monofilament of nylon or polyester and the surface of which is covered with an aramid fiber (JP-A-62-133138).
【０００６】[0006]
【発明が解決しようとする課題】これによって、これま
でのナイロン糸やポリエステル糸よりなるガットが天然
ガットより劣るとされていた反発性がかなり向上したガ
ットも得られるようになってきたが、何れも耐摩耗性、
耐久性に欠ける点が指摘されている。As a result, a gut having a considerably improved resilience, which has been considered to be inferior to the natural gut in the gut made of nylon yarn or polyester yarn, has come to be obtained. Also wear resistance,
It is pointed out that it lacks in durability.
【０００７】この発明は、上記に鑑みてなされたもので
あり、耐水性、反発性などの性能を保持しつつ、耐久性
にすぐれて長期間の使用に耐えうるガットを提供するこ
とを目的とするものである。The present invention has been made in view of the above, and an object thereof is to provide a gut which is excellent in durability and can be used for a long period of time while maintaining performance such as water resistance and resilience. To do.
【０００８】[0008]
【課題を解決するための手段】即ち、この発明の第１の
発明は、合成繊維糸を芯糸、側糸に用いて形成した紐体
の外周に合成樹脂被覆層を形成し、この樹脂被覆層を電
子線照射して硬化処理を施してなるガットであり、第２
の発明は、第１の発明において側糸としてその一部また
は全部に紡糸後電子線照射にて硬化処理を施した合成繊
維糸を用いるというものであり、第３の発明は、紡糸後
電子線照射にて硬化処理を施した合成繊維糸を芯糸と
し、この芯糸の周囲に配置する側糸としてその一部また
は全部に紡糸後電子線照射にて硬化処理を施した合成繊
維糸を用いて形成した紐体の外周に、合成樹脂被覆層を
形成し、この合成樹脂被覆層を電子線照射にて硬化処理
したガットを提供するものである。That is, the first invention of the present invention is to form a synthetic resin coating layer on the outer periphery of a cord formed by using synthetic fiber yarns as core yarns and side yarns, and to coat the resin coating layer. A gut obtained by subjecting a layer to electron beam irradiation to perform a curing treatment.
According to the invention of claim 1, a part or all of the side yarn in the first invention is a synthetic fiber yarn which is subjected to a curing treatment by electron beam irradiation after spinning, and the third invention is that the electron beam after spinning is used. A synthetic fiber yarn that has been cured by irradiation is used as a core yarn, and a synthetic fiber yarn that has been partially or wholly cured after being spun by electron beam irradiation is used as a side yarn arranged around this core yarn. A gut obtained by forming a synthetic resin coating layer on the outer periphery of the cord formed as described above and curing the synthetic resin coating layer by electron beam irradiation is provided.
【０００９】[0009]
【作用】この発明のガットは、芯糸と芯糸の周囲に配置
する側糸に合成繊維糸を用いて紐体を構成し、この紐体
の表面に合成樹脂被覆層を形成し、この合成樹脂被覆層
上から電子線照射処理を施すことによって、あるいは紐
体を構成する芯糸、側糸に用いる合成繊維糸の少なくと
も一方に紡糸後電子線照射によって硬化処理を施した糸
を用い、かつ合成樹脂被覆層を電子線照射処理すること
によって、耐摩耗性を向上させ、結果として耐久性の大
なるガットを得るものである。According to the gut of the present invention, a cord is formed by using a synthetic fiber yarn as a core yarn and side yarns arranged around the core yarn, and a synthetic resin coating layer is formed on the surface of the cord. By subjecting the resin coating layer to an electron beam irradiation treatment, or using a yarn that has been subjected to a curing treatment by an electron beam irradiation after spinning on at least one of a core yarn and a side yarn constituting a string, and By subjecting the synthetic resin coating layer to electron beam irradiation treatment, the abrasion resistance is improved, and as a result, a gut having a large durability is obtained.
【００１０】これは、電子線照射によって表面のナイロ
ンの直鎖が切れ、フリーラジカルが側鎖にラジカル結合
するために、ナイロン糸あるいはナイロン皮膜の組織が
緻密になって硬化度合いが増すためである。This is because the linear chains of nylon on the surface are broken by electron beam irradiation and free radicals are radically bonded to side chains, so that the structure of the nylon thread or nylon film becomes dense and the degree of curing increases. .
【００１１】この電子線照射処理は、紐体を構成する合
成繊維糸に、あるいは上記した紐体の外周に形成した合
成樹脂被覆層に、糸の径や被覆層の厚みにより異なる
が、０．１〜１０Ｍｒａｄ（好ましくは１〜５Ｍｒａ
ｄ）の電子線を照射することにより行われる。This electron beam irradiation treatment varies depending on the diameter of the yarn and the thickness of the coating layer, although it varies depending on the diameter of the yarn and the thickness of the synthetic resin coating layer formed on the outer periphery of the above-mentioned cord body. 1 to 10 Mrad (preferably 1 to 5 Mra
It is performed by irradiating the electron beam of d).
【００１２】この発明で用いる合成繊維糸を得る材料樹
脂としては、ナイロン６、ナイロン６６、あるいはナイ
ロン６とナイロン６６との共重合体などのナイロン、ポ
リエステル、ポリオレフィン、芳香族ポリアミド（アラ
ミド）、ポリエ−テルエーテルケトンなどがある。な
お、紡糸後に電子線照射する糸としては、一般には上記
のうちナイロン系のものが用いられるが、上記の他の樹
脂でもよい。また、最表層の被覆層を形成する合成樹脂
としては、ナイロン樹脂、ウレタン樹脂等があるが、一
般にはナイロン樹脂が適当である。As the material resin for obtaining the synthetic fiber yarn used in the present invention, nylon such as nylon 6, nylon 66, or a copolymer of nylon 6 and nylon 66, polyester, polyolefin, aromatic polyamide (aramid), polyester -Such as teretherketone. As the yarn to be irradiated with the electron beam after spinning, a nylon-based yarn is generally used among the above-mentioned yarns, but the other resin may be used. As the synthetic resin forming the outermost coating layer, there are nylon resin, urethane resin and the like, but nylon resin is generally suitable.
【００１３】芯糸の周囲に側糸を配置して紐体を形成す
る際には、それらの固着を密にするために、ナイロン系
接着剤、例えばナイロン樹脂をフェノールや蟻酸などの
溶剤に溶解し、必要に応じてトリクロルエチレン、パー
クロルエチレン、二塩化エタン等の溶剤で希釈したもの
を用いることが好ましい。When arranging the side yarns around the core yarn to form a cord body, a nylon adhesive, for example, a nylon resin is dissolved in a solvent such as phenol or formic acid in order to densely fix them. However, it is preferable to use one diluted with a solvent such as trichloroethylene, perchlorethylene, or ethane dichloride, if necessary.
【００１４】[0014]
【実施例】以下、この発明の実施例を図により詳細に説
明する。 実施例１ ナイロン６とナイロン６６の共重合体よりなる直径０．
９０３ｍｍのナイロン糸を芯糸１とし、この芯糸１の周
囲に直径０．１４２ｍｍのナイロン６モノフィラメント
２ａの１６本を４本づつ４つのグループと、この４つの
ナイロン６モノフィラメント２ａのグループ間に、夫々
細径のアラミド繊維数本を集束した２００デニールマル
チフィラメント２ｂを側糸２として配置して紐体を形成
し、この紐体の最表層にパール顔料を混合したナイロン
樹脂をコーティングして樹脂被覆層４を形成した。そし
て、この樹脂被覆層４上から３Ｍｒａｄの電子線照射を
行って図１に示す構成の直径１．１６ｍｍのガットを得
た。Embodiments of the present invention will now be described in detail with reference to the drawings. Example 1 A diameter of 0.
A 903 mm nylon yarn is used as the core yarn 1, and four 16 groups of four nylon 6 monofilaments 2a each having a diameter of 0.142 mm are arranged around the core yarn 1 and four groups of the four nylon 6 monofilaments 2a are provided. A 200-denier multifilament 2b in which several small-diameter aramid fibers are bundled is arranged as a side thread 2 to form a cord, and the outermost layer of the cord is coated with a nylon resin mixed with a pearl pigment to coat the resin. Layer 4 was formed. Then, electron beam irradiation of 3 Mrad was performed on the resin coating layer 4 to obtain a gut having a diameter of 1.16 mm having the configuration shown in FIG.
【００１５】上記で得たガットと、比較品として上記実
施例１において最終の電子線照射を行わないガットとに
ついて、引張強力、結節強度、伸度および耐久性などを
測定したところ、表１の結果を得た。なお、耐久性は試
打機と、ガットを張ったラケットとの距離を２ｍとし、
ラケットはガット面を４５°とし、１８０°回転によっ
てガットに試打機からのボールが斜め打ちの状態で当た
るようにして、ガットが切れるまでのボールの打撃回数
をもって判定したものである。Tensile strength, knot strength, elongation and durability of the gut obtained above and the gut not subjected to the final electron beam irradiation in Example 1 as a comparative product were measured. I got the result. As for durability, the distance between the test drive and the racket with gut is set to 2m,
The racket has a gut surface of 45 °, and the ball is hit from the test hitting machine in an obliquely hitting state by 180 ° rotation, and the number of hits of the ball until the gut is cut is judged.
【００１６】[0016]
【表１】 [Table 1]
【００１７】表１から本実施例のガットは比較品のガッ
トに比べて耐久性は６０％も向上し、電子線照射の効果
が認められた。また、他の引張強力などは比較品ガット
とほぼ同等の値を示し、電子線照射による弊害は認めら
れなかった。From Table 1, it was confirmed that the gut of this example had a durability improved by 60% as compared with the gut of the comparative product, and the effect of electron beam irradiation was recognized. The other tensile strengths were almost the same as those of the comparative gut, and no harmful effects due to electron beam irradiation were observed.
【００１８】実施例２ 芯糸１ａとしてアラミド繊維の３０００デニールマルチ
フィラメントを用い、その周囲に側糸２として２１０デ
ニールのナイロン６モノフィラメント２ａの１２本を巻
回し、これらをナイロン系接着剤で固着して紐体を形成
した。次いで、この紐体の表面にナイロン樹脂被覆層４
を形成したのち、大気中でこの被覆層４上から１Ｍｒａ
ｄの電子線を１．２ｍ／ｍｉｎの連続走行速度で照射し
て直径１．３０ｍｍの図２に示す構成のガットを得た。
実施例１と同じようにして耐久性をみたところ良好な結
果を示した。Example 2 3000 denier multifilament of aramid fiber was used as the core yarn 1a, and 12 pieces of 210 denier nylon 6 monofilament 2a were wound as the side yarns 2 around them, and these were fixed with a nylon adhesive. To form a string. Then, a nylon resin coating layer 4 is formed on the surface of the cord body.
After forming the film, 1 Mra from above the coating layer 4 in the atmosphere.
The electron beam of d was irradiated at a continuous running speed of 1.2 m / min to obtain a gut having a structure shown in FIG. 2 and having a diameter of 1.30 mm.
When the durability was examined in the same manner as in Example 1, good results were shown.
【００１９】実施例３ 実施例１と同じナイロン６とナイロン６６の共重合体よ
りなる直径０．９０３ｍｍのナイロン糸を芯糸１とし、
この芯糸１の周囲に紡糸後１Ｍｒａｄの電子線照射を施
した直径０．１４２ｍｍのナイロン６モノフィラメント
２ｃの１２本を３本づつ４つのグループと、この４つの
ナイロン６モノフィラメントグループ２ｃの間に、夫々
細径のアラミド繊維数本を集束した２００デニールマル
チフィラメント２ｂを側糸２として配置して紐体を形成
し、この紐体の最表層にパール顔料を混合したナイロン
樹脂をコーティングして樹脂被覆層４を形成した。そし
て、この樹脂被覆層４上から３Ｍｒａｄの電子線照射を
行って図３に示す構成の直径１．１６ｍｍのガットを得
た。Example 3 A core yarn 1 was a nylon yarn having a diameter of 0.903 mm and made of the same copolymer of nylon 6 and nylon 66 as in Example 1,
Around the core yarn 1, four groups of 12 nylon 6 monofilaments 2c each having a diameter of 0.142 mm, which were subjected to electron beam irradiation of 1 Mrad after spinning, and four groups of these nylon 6 monofilaments 2c, A 200 denier multifilament 2b in which several thin aramid fibers are bundled is arranged as a side thread 2 to form a string, and the outermost layer of this string is coated with a nylon resin mixed with a pearl pigment to coat the resin. Layer 4 was formed. Then, electron beam irradiation of 3 Mrad was performed on the resin coating layer 4 to obtain a gut having a diameter of 1.16 mm having the configuration shown in FIG.
【００２０】実施例４ １０００デニールのナイロン６モノフィラメントを芯糸
１ｂに用い、側糸２には紡糸後１Ｍｒａｄの電子線照射
を施して硬化させた２１０デニールのナイロン６モノフ
ィラメント２ｃを１２本巻回して紐体を形成した。そし
て、この紐体表面にナイロン樹脂被覆層４を設け、この
樹脂被覆層４上から３Ｍｒａｄの電子線照射を行って図
４に示す構成の直径１．２１ｍｍのガットを得た。この
ガットの耐久性は２５４回であった。Example 4 1000 denier nylon 6 monofilament 2c was used for the core yarn 1b, and the side yarn 2 was wound with 12 210 denier nylon 6 monofilament 2c which was spun and then cured by electron irradiation of 1 Mrad. A string was formed. Then, a nylon resin coating layer 4 was provided on the surface of the cord, and an electron beam of 3 Mrad was irradiated from above the resin coating layer 4 to obtain a gut having a diameter of 1.21 mm as shown in FIG. The durability of this gut was 254 times.
【００２１】実施例５ 芯糸１ｃとして紡糸後電子線照射による硬化処理を施し
た０．９０３ｍｍ径のナイロン糸を用い、その周囲に巻
回する側糸２を芯巻糸２−１と側巻糸２−２の２層構成
とし、双方に紡糸後電子線照射を施して硬化処理した２
１０デニールのナイロン６モノフィラメント２ｃを１２
本づつ配置して紐体を形成した。そして、この紐体表面
にナイロン樹脂被覆層４を設け、この樹脂被覆層４上か
ら３Ｍｒａｄの電子線照射を行って図５に示す構成の直
径１．３２ｍｍの耐久性、反発性にすぐれたガットを得
た。Example 5 As the core yarn 1c, a nylon yarn having a diameter of 0.903 mm which has been subjected to a curing treatment by electron beam irradiation after spinning is used, and a side yarn 2 wound around the nylon yarn is wound around the core winding yarn 2-1 and the side winding yarn 2-1. A two-layer structure of the yarn 2-2 was formed, and both were subjected to electron beam irradiation after spinning and cured.
12 denier nylon 6 monofilament 2c
A string was formed by arranging the books one by one. Then, a nylon resin coating layer 4 is provided on the surface of the cord, and an electron beam of 3 Mrad is irradiated from the top of the resin coating layer 4 to obtain a gut having a diameter of 1.32 mm and excellent resilience. Got
【００２２】[0022]
【発明の効果】以上説明したように、この発明のガット
は芯糸、側糸からなる紐体の表面に形成した樹脂被覆層
を電子線照射することによって、また、芯糸あるいは側
糸に紡糸後電子線照射処理を施した合成繊維糸を用いる
ことによって、伸び、反発性などの性能を保持しつつ、
耐久性にすぐれたガットとすることができるのである。As described above, the gut of the present invention spins the core yarn or the side yarns by irradiating the resin coating layer formed on the surface of the cord consisting of the core yarn and the side yarns with an electron beam. By using synthetic fiber yarn that has been subjected to post electron beam irradiation treatment, while maintaining performance such as elongation and resilience,
It can be a gut with excellent durability.
【図１】この発明に係るガットの一実施例を示す断面図
である。FIG. 1 is a sectional view showing an embodiment of a gut according to the present invention.
【図２】この発明に係るガットの他の実施例を示す断面
図である。FIG. 2 is a sectional view showing another embodiment of the gut according to the present invention.
【図３】この発明に係るガットの他の実施例を示す断面
図である。FIG. 3 is a sectional view showing another embodiment of the gut according to the present invention.
【図４】この発明に係るガットの他の実施例を示す断面
図である。FIG. 4 is a sectional view showing another embodiment of the gut according to the present invention.
【図５】この発明に係るガットの他の実施例を示す断面
図である。FIG. 5 is a sectional view showing another embodiment of the gut according to the present invention.
１ 芯糸 ２ 側糸 ２−１ 芯巻糸 ２−２ 側巻糸 ４ 樹脂被覆層 1 core yarn 2 side yarn 2-1 core wound yarn 2-2 side wound yarn 4 resin coating layer
───────────────────────────────────────────────────── 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 Ｄ０６Ｍ 10/00 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI technical display location D06M 10/00
Claims (3)
糸で形成した紐体の外周に合成樹脂被覆層を形成し、こ
の合成樹脂被覆層を電子線照射にて硬化処理してなるラ
ケット用ガット。1. A synthetic resin coating layer is formed on the outer periphery of a cord formed of a core yarn made of synthetic fiber yarn and side yarns around the core yarn, and the synthetic resin coating layer is cured by electron beam irradiation. Gut for rackets.
部または全部が紡糸後電子線照射にて硬化処理を施した
合成繊維糸である請求項１記載のラケット用ガット。2. The racket gut according to claim 1, wherein the synthetic fiber yarn used as the side yarn is a synthetic fiber yarn which is partially or wholly subjected to a curing treatment by electron beam irradiation after spinning.
た合成繊維糸を芯糸とし、その周囲の側糸として紡糸
後、電子線照射にて硬化処理を施した合成繊維糸をその
一部または全部に用いて形成した紐体の外周に、合成樹
脂被覆層を形成し、この合成樹脂被覆層を電子線照射に
て硬化処理してなるラケット用ガット。3. A synthetic fiber yarn that is cured by electron beam irradiation after spinning is used as a core yarn, and a synthetic fiber yarn that is cured by electron beam irradiation after being spun as a side yarn around the core yarn is used. A racket gut obtained by forming a synthetic resin coating layer on the outer periphery of a string formed by using a part or all of the string body, and curing the synthetic resin coating layer by electron beam irradiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5326296A JPH07148285A (en) | 1993-11-29 | 1993-11-29 | Gut for racket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5326296A JPH07148285A (en) | 1993-11-29 | 1993-11-29 | Gut for racket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07148285A true JPH07148285A (en) | 1995-06-13 |
Family
ID=18186190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5326296A Withdrawn JPH07148285A (en) | 1993-11-29 | 1993-11-29 | Gut for racket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07148285A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2772395A1 (en) * | 1997-12-17 | 1999-06-18 | Cousin Biotech | Cord e.g. tennis cord |
| JP2000118555A (en) * | 1998-10-16 | 2000-04-25 | Kyowa Ltd | Packaging sheet and twist tie |
-
1993
- 1993-11-29 JP JP5326296A patent/JPH07148285A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2772395A1 (en) * | 1997-12-17 | 1999-06-18 | Cousin Biotech | Cord e.g. tennis cord |
| JP2000118555A (en) * | 1998-10-16 | 2000-04-25 | Kyowa Ltd | Packaging sheet and twist tie |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010130 |