JP2018148861A - 取付部品が取り付けられた竿体を有する釣竿、管状体及びその製造方法 - Google Patents
取付部品が取り付けられた竿体を有する釣竿、管状体及びその製造方法 Download PDFInfo
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- JP2018148861A JP2018148861A JP2017049054A JP2017049054A JP2018148861A JP 2018148861 A JP2018148861 A JP 2018148861A JP 2017049054 A JP2017049054 A JP 2017049054A JP 2017049054 A JP2017049054 A JP 2017049054A JP 2018148861 A JP2018148861 A JP 2018148861A
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Abstract
【解決手段】釣竿は、細長い筒状の竿体と、取付部を有し、前記竿体の外周面に前記取付部を介して取り付けられる取付部品10Bと、前記取付部と前記竿体を共に囲むように繊維強化樹脂製の又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製の第1のシートを巻回して形成された第1の層100と、前記第1シートの外側に繊維強化樹脂製の第2のシートを巻回して形成された第2の層200と、を備え、前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度は、前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度と異なる。
【選択図】図2
Description
する。
従来、取付部品は、糸や樹脂シートにより竿体に取りつけられている。
3841号公報(特許文献1)及び特開2004−194563号公報(特許文献2)に
開示されている。
に釣糸やリールから力が作用すると、当該糸が緩みやすいという問題がある。
−156963号公報(特許文献3)及び実開平2−26474号公報(特許文献4)に
開示されている。これらの特許文献では、樹脂シートとして、熱硬化性樹脂を含む繊維強
化樹脂製のシートが用いられている。
りつける際には、加熱された熱硬化性樹脂が硬化し始める前にいったん粘度が低下して流
動するため、該シートによって取付部品を竿体に固定する力が一時的に弱まってしまい、
その結果、取付部品が竿体の表面において位置がずれたり周方向に傾斜してしまうという
問題が生じることを発見し、その問題を解決するために本願発明をなした。
細長い筒状の竿体と、
取付部を有し、前記竿体の外周面に前記取付部を介して取り付けられる取付部品と、
前記取付部と前記竿体を共に囲むように繊維強化樹脂製の又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製の第1のシートを巻回して形成された第1の層と、
前記第1シートの外側に繊維強化樹脂製の第2のシートを巻回して形成された第2の層と、
を備え、
前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度は、前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度と異なる、釣竿。
細長い筒状の形状を有する筒状部材と、
取付部を有し、前記筒状部材の外周面に前記取付部を介して取り付けられる取付部品と、
前記取付部と前記筒状部材を共に囲むように繊維強化樹脂製の又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製の第1のシートで巻回することによって形成された第1の層と、
前記第1シートの外周面に繊維強化樹脂製の第2のシートを巻回することによって形成された第2の層と、
を備え、
前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度は、前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度と異なる。
細長い筒状の形状を有する筒状部材を準備する工程と、
取付部を有する取付部品を前記筒状部材の外周面に配置する工程と、
前記取付部と前記筒状部材を共に囲むように繊維強化樹脂製の又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製の第1のシートを巻回する工程と、
前記第1シートの外周面に繊維強化樹脂製の第2のシートを巻回する工程と、
次いで、上記工程を行うことによって得られる巻回体を加熱することにより前記取付部品を前記筒状部材に固着させる工程と、
を備え、
前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度は、前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度と異なり、
前記固着工程における加熱は、前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度及び前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度よりも高い温度のうち、より高い方の温度よりも低く、より低い方の温度よりも高い温度に供する工程を含む、管状体の製造方法。
細長い筒状の竿体と、
取付部を有し、前記竿体の外周面に前記取付部を介して取り付けられる取付部品と、
前記取付部と前記竿体を共に囲むように繊維強化樹脂製の第1のシートを巻回して形成された第1の層と、
前記第1シートの外側に繊維強化樹脂製の第2のシートを巻回して形成された第2の層と、
を備え、
前記第1のシートは、繊維に熱硬化性樹脂を含む組成物を含浸させたシート、樹脂シート単体、又は、粘着層を有する樹脂シートであり、
、
前記第2のシートは、ガラス繊維、炭素繊維又は樹脂繊維に熱硬化性樹脂を含む組成物を含浸させたものである。
細長い筒状の形状を有する筒状部材と、
取付部を有し、前記筒状部材の外周面に前記取付部を介して取り付けられる取付部品と、
前記取付部と前記筒状部材を共に囲むように第1のシートで巻回することによって形成された第1の層と、
前記第1シートの外周面に繊維強化樹脂製の第2のシートを巻回することによって形成された第2の層と、
を備え、
前記第1のシートは、繊維に熱硬化性樹脂を含む組成物を含浸させたシート又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製のシートであり、
前記第2のシートは、ガラス繊維、炭素繊維又は樹脂繊維に熱硬化性樹脂を含む組成物を含浸させたものである管状体。
細長い筒状の形状を有する筒状部材を準備する工程と、
取付部を有する取付部品を前記筒状部材の外周面に配置する工程と、
前記取付部と前記筒状部材を共に囲むように第1のシートを巻回する工程と、
前記第1シートの外周面に繊維強化樹脂製の第2のシートを巻回する工程と、
次いで、上記工程を行うことによって得られる巻回体を加熱することにより前記取付部品を前記筒状部材に固着させる工程と、
を備え、
前記第1のシートは、繊維に熱硬化性樹脂を含む組成物を含浸させたシート、樹脂シート単体、又は、粘着層を有する樹脂シートであり、
前記第2のシートは、ガラス繊維、炭素繊維又は樹脂繊維に熱硬化性樹脂を含む組成物を含浸させたものである管状体。
管状体の製造方法。
は軽減されたものである。
図1は、本発明に係る釣竿の一実施形態を示す図である。本実施形態の釣竿1は、元竿3、中竿5、及び穂先竿7(各竿を竿杆とも称する)を備えており、各竿杆は、並継ぎ式によって継合されている。また、本実施形態の釣竿1には、元竿3にリールシート9が設けられており、前記元竿3、中竿5及び穂先竿7には、リールシート9に装着されるリールRから繰り出される釣糸を案内する釣糸ガイドが適所に取着されている。図1では、元竿3に設けられる釣糸ガイドを10Aで示し、中竿5に設けられる釣糸ガイドを10Bで示し、穂先竿7に設けられる釣糸ガイドを10Cで示してある。また、穂先竿7の先端には、トップガイド10Dが取着されている。この場合、釣糸ガイド10A〜10C、及び、リールシート9は、竿杆の表面(外周面)に固定される取付部品10を構成する。
図2から図5は、釣糸ガイド10Bの固定方法を説明する図であり、図2は、図1に示す釣竿の釣糸ガイド10Bの固定部(脚部)10aの固定状態を示す概略断面図、図3は、図2に示す固定領域の詳細な構成を示す断面図、図4は、釣糸ガイドの固定部を竿杆に対して固定するプリプレグシートの構成を示す概略斜視図、そして、図5は、図3のA−A線に沿った断面図である。
以下の表1に、本発明の一実施形態に係る釣竿における第1の層100及び第2の層200を形成するための好ましい第1のシート100及び第2のシート200の例を示す。表1中の「ガイド位置ズレ」の項目では、加熱前に取付部品10を設置した位置から釣竿の円周において円周の1°以上に相当する角度で加熱後に取付部品10の位置が移動した取付部品10が1個以上存在するものを×と評価し、存在しないものを○と評価した。
2’ 管状体
2 竿体
3 元竿
5 中竿
7 穂先竿
9 リールシート(取付部品)
10 10’ 取付部品
10A,10B,10C 釣糸ガイド(取付部品)
100 第1の層(第1のシート100Sにより形成される層)
200 第2の層(第2のシート200Sにより形成される層)
200’ 第2の層(第2のシート200Sにより形成される層)
100S 第1のシート
200S 第2のシート
Claims (12)
- 細長い筒状の竿体と、
取付部を有し、前記竿体の外周面に前記取付部を介して取り付けられる取付部品と、
前記取付部と前記竿体を共に囲むように繊維強化樹脂製の又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製の第1のシートを巻回して形成された第1の層と、
前記第1シートの外側に繊維強化樹脂製の第2のシートを巻回して形成された第2の層と、
を備え、
前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度は、前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度と異なる、釣竿。 - 前記第1のシートの損失正接(tanδ)が最大値となる温度は、前記第2のシートの損失正接(tanδ)が最大値となる温度よりも高い、請求項1に記載の釣竿。
- 前記第1のシートの損失正接(tanδ)が最大値となる温度は、前記第2のシートの損失正接(tanδ)が最大値となる温度よりも低い、請求項1に記載の釣竿。
- 前記第1のシートの損失正接(tanδ)が最大値となる温度は、前記第2のシートの損失正接(tanδ)が最大値となる温度よりも10℃以上高い、請求項1に記載の釣竿。
- 前記第1のシートの損失正接(tanδ)が最大値となる温度は、前記第2のシートの損失正接(tanδ)が最大値となる温度よりも10℃以上低い、請求項1に記載の釣竿。
- 前記第1のシートの80℃〜140℃での貯蔵弾性率が0.01MPa〜10000MPaである、請求項1〜請求項5のいずれか1項に記載の釣竿。
- 前記第1のシートは、繊維に熱硬化性樹脂を含む組成物を含浸させたシート、樹脂シート単体、又は、粘着層を有する樹脂シートである、請求項1〜請求項5のいずれか1項に記載の釣竿。
- 前記第2のシートは、ガラス繊維、炭素繊維又は樹脂繊維に熱硬化性樹脂を含む組成物を含浸させたものである、請求項1〜請求項5のいずれか1項に記載の釣竿。
- 前記取付部品が釣糸ガイドである、請求項1から請求項8のいずれか1項に記載の釣竿。
- 前記取付部品がリールシートである、請求項1から請求項8のいずれか1項に記載の釣竿。
- 細長い筒状の形状を有する筒状部材と、
取付部を有し、前記筒状部材の外周面に前記取付部を介して取り付けられる取付部品と、
前記取付部と前記筒状部材を共に囲むように繊維強化樹脂製の又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製の第1のシートで巻回することによって形成された第1の層と、
前記第1シートの外周面に繊維強化樹脂製の第2のシートを巻回することによって形成された第2の層と、
を備え、
前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度は、前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度と異なる、管状体。 - 細長い筒状の形状を有する筒状部材を準備する工程と、
取付部を有する取付部品を前記筒状部材の外周面に配置する工程と、
前記取付部と前記筒状部材を共に囲むように繊維強化樹脂製の又はJIS K 7133に準拠して測定される熱収縮率が2.5%以下である樹脂製の第1のシートを巻回する工程と、
前記第1シートの外周面に繊維強化樹脂製の第2のシートを巻回する工程と、
次いで、上記工程を行うことによって得られる巻回体を加熱することにより前記取付部品を前記筒状部材に固着させる工程と、
を備え、
前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度は、前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度と異なり、
前記固着工程における加熱は、前記第1のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度及び前記第2のシートの周波数1Hzでの動的粘弾性測定から算出される損失正接(tanδ)が最大値となる温度よりも高い温度のうち、より高い方の温度よりも低く、より低い方の温度よりも高い温度に供する工程を含む、管状体の製造方法。
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