574021 A7 B7 五、發明説明（1) 【發明所屬的技術領域】 本發明是關於使用在釣魚方面的撈網° (請先閲讀背面之注意事項再填寫本頁) 【習知技術】 在船釣的時候，常常使用撈網，在用釣竿釣到魚的時 候，將撈網從船緣伸出，用撈網把魚撈起來。這種撈網’ 是具有：金屬製的環狀的框部、以嵌入等方式固定在框部 的袋狀的網部、以及連結於框部的柄部。該柄部，是以抽 出形式依序連結複數的筒狀體的構件，可讓前端側的筒狀 體依序收容在手把側的筒狀體內，收容時則成爲讓各筒狀 體收容在手把側的筒狀體的小型的狀態。 該柄部與框部是一般地可自由裝卸地連結著，具體來 說，是採用：是將母螺紋構件安裝在位於柄部的前端側的 筒狀體的前端側端部，讓具有固定著框部的公螺紋部的連 結構件螺合在該母螺紋構件的構造。 【發明欲解決的課題】 經濟部智慧財產局員工消費合作社印製 這種撈網的柄部的母螺紋構件，是在以柄部支承框部 及撈到魚的網部時有很大的負載所施加的部份，所以需要 足夠的強度。而由於撈網是使用在船釣等方面，所以也需 要防銹的方法。因此，作爲形成以往的母螺紋構件的材料 ，是使用不鏽鋼合金等材料。 可是，如果用這種不鏽鋼材料來製造母螺紋構件的話 ’由於其材料的比重’會讓構件的重量有一定的程度。撈 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -4 - 574021 A7 ____ B7 五、發明説明（9 (請先閲讀背面之注意事項再填寫本頁) 網是將柄部伸長來將魚撈入到網部的構件，所以其前端側 部份的重量能盡量輕就可以使操作性提升。且用不鏽鋼材 料來製造母螺紋構件其成本也很高。 本發明的課題，就是要提供藉由前端側部分的輕量化 讓操作性很好的撈網。 本發明其他課題，就是要提供經濟性也很優秀的撈網 【用以解決課題的手段】 第1項發明的撈網，是用來撈魚的撈網，是具備有： 具有由安裝於前端側端部內周的玻璃纖維強化樹脂所構成 的母螺紋構件的筒狀體的柄部、與可自由裝卸地螺合於母 螺紋構件的網框部。 這種撈網，是將網框部連結在由玻璃纖維強化樹脂所 構成的母螺紋構件，柄部的前端側並不重而操作性很優秀 。藉由用預定的材料來製造母螺紋構件，可以較廉價地製 造構件’經濟性也很好。而且，藉由使用中介有強化纖維 的合成樹脂材料，也可以保證有足夠的機械強度。 在2項發明的撈網，是第i項發明的撈網，其中構成 母螺紋構件的玻璃纖維強化樹脂，是將聚丁烯對苯二甲酸 酯（P B T )樹脂浸漬在玻璃纖維的材料。 這種撈網，藉由以預定的材料來構成母螺紋構件，具 體來說’與用不鏽鋼材料來製造同樣的母螺紋構件的情況 相比’重量與製造成本都可以減少十分之一左右。而可以 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -5- 574021 A7 B7 五、發明説明（今 側的筒狀體的前端側內部是直接形成有螺紋部’成爲母螺 紋部分。而且，在該母螺紋部分是連結有網框部。不像以 往的撈網是安裝有其他金屬製的母螺紋構件’柄部的前端 側不會很重，所以提昇了撈網的操作性。而是在筒狀體的 材料本身直接形成母螺紋部分，所以經濟性也很好，就可 以排除要安裝其他零件的作業流程。並且，是將網框部直 接連結在構成柄部的筒狀體本身，互相的連結力也提昇了 。該母螺紋部分，是在形成了構成柄部的筒狀體之後，藉 由直接切削螺刻其前端側內周面來形成的。 在6項發明的撈網，是第5項發明的撈網，其中筒狀 體是將把合成樹脂浸漬在強化纖維的預浸漬材料予以焙燒 所形成的。該筒狀體，是具有：形成筒狀部分的主預浸漬 材料部分、與在前端部內周面積疊於上述主預浸漬材料部 分的輔助預浸漬材料部分，母螺紋部分是螺刻輔助預浸漬 材料部分所形成的。 該撈網，藉由用預浸漬材料來作成構成柄部的筒狀體 ’而可以讓其輕量化且完全提升其機械強度。作爲形成筒 狀部份的主預浸漬材料，例如，可用將環氧樹脂等浸漬在 碳纖維或玻璃纖維的材料。 而在形成母螺紋部的前端側內周面，藉由使用與形成 筒狀部分的主預浸漬材料不同的較容易螺刻的輔助預浸漬 材料，讓螺刻作業更容易。例如，作爲輔助預浸漬材料， 也可以使用將環氧樹脂浸漬在聚酯等的不織布的預浸漬材 料。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） 丨 -- (請先閱讀背面之注意事項再填寫本頁) —訂 經濟部智慧財產局員工消費合作社印製 -7- 574021 A7 B7 五、發明説明（句 【發明實施型態】 I-----#! (請先閱讀背面之注意事項再填寫本頁) 【第一實施型態】 採用本發明的第一實施型態的撈網，如第1圖所示， 是具有：將網子安裝在環形的框子上的網框部1、及連結 於網框部1的柄部2。 網框部1 ，是將：把由不鏽鋼合金或鈦合金等所構成 的金屬製線狀構件彎折成環狀而形成的框子部分、與將由 尼龍纖維等所構成的線編成網子狀而形成的略圓筒型的網 子部分組合而成的構件。該網框部1的框子部分在其圓周 的其中一部分是連結在連結構件3。 例如，該連結構件3是由一對的對半構件所構成，是 將框子部分的兩端部以彎折狀態收容在其內部。而且是具 有用來螺合於後述的母螺紋構件的公螺紋部分（參照第2圖） 。框子部分是具有形成於外周面開口於外周方向的溝槽部 ，卡止著網子的開口緣部的金屬製的或尼龍製的芯線是嵌 入夾在該溝槽部，讓網子部分被固定在框子部分。 經濟部智慧財產局員工消費合作社印製 柄部2，是從前端側依順序，依序以抽出形式連結第 一筒狀體1 0〜第四筒狀體1 3的部份。各筒狀體，是將 是使合成樹脂浸漬到碳纖維或玻璃纖維等的強化纖維的纖 維強化樹脂捲繞到芯材上，再予以焙燒而製造而成的前端 較細的筒狀構件。第一筒狀體1 〇〜第四筒狀體1 3的竿 根側端部外周面或前端側端部內周面是分別成爲嵌合部分 ，是可依序將前端側的筒狀體嵌合連結固定到竿根側的筒 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐） -8- 574021 A7 B7574021 A7 B7 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to fishing nets for fishing ° (Please read the precautions on the back before filling this page) [Knowledge technology] Fishing on boats When fishing, fishing nets are often used. When catching fish with a fishing rod, the fishing nets are protruded from the rim of the boat and the fish are caught with fishing nets. Such a fishing net 'includes a metal ring-shaped frame portion, a bag-shaped net portion fixed to the frame portion by inserting or the like, and a shank portion connected to the frame portion. The handle is a member that sequentially connects a plurality of cylindrical bodies in a pull-out form, so that the cylindrical body on the front end side can be sequentially accommodated in the cylindrical body on the handle side, and each cylindrical body can be accommodated in the housing during storage. The compact state of the tubular body on the handle side. The shank and the frame are generally detachably connected, and specifically, a female screw member is attached to a front end side end of a tubular body located on a front end side of the shank, so as to be fixed. The connection member of the male screw portion of the frame portion is screwed to the structure of the female screw member. [Problems to be solved by the invention] The female screw member of the handle of the fishing net printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs has a large load when the handle supports the frame and the fish net. The applied part requires sufficient strength. Since fishing nets are used in boat fishing, etc., antirust methods are also required. Therefore, as a material for forming a conventional female screw member, a material such as a stainless steel alloy is used. However, if such a stainless steel material is used to manufacture a female threaded member, 'because of the specific gravity of the material', the weight of the member will be a certain degree. The paper size of the paper is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) -4-574021 A7 ____ B7 V. Description of the invention (9 (Please read the precautions on the back before filling this page) The net is to extend the handle Since the fish is brought into the net member, the weight of the front end portion can be as light as possible to improve the operability. Moreover, the cost of manufacturing a female screw member using stainless steel is also high. The problem of the present invention is to It is necessary to provide a fishing net with excellent operability by reducing the weight of the front end side. Another object of the present invention is to provide a fishing net that is also very economical [means to solve the problem] The fishing net of the first invention Is a fishing net for fishing, and is provided with: a shank portion of a cylindrical body having a female screw member made of glass fiber reinforced resin attached to the inner periphery of the front end side end portion, and screwed to a detachable manner The frame part of the female threaded member. This type of fishing net connects the frame part to the female threaded member made of glass fiber reinforced resin. The front end side of the shank is not heavy and the operability is excellent. of It is economical and economical to manufacture female threaded members with low cost. Also, by using synthetic resin materials with reinforcing fibers interposed, sufficient mechanical strength can be ensured. The fishing net of the two inventions Is the fishing net of the i-th invention, in which the glass fiber reinforced resin constituting the female screw member is a material in which polybutene terephthalate (PBT) resin is impregnated into the glass fiber. The female threaded member is formed of a predetermined material, specifically, 'the weight and the manufacturing cost can be reduced by about one tenth compared with the case where the same female threaded member is made of stainless steel.' The paper size printed by the employee consumer cooperative is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) -5- 574021 A7 B7 V. Description of the invention (the front side of the cylindrical body on the present side is directly formed with a threaded portion ' It becomes a female thread part. Moreover, the female thread part is connected with a screen frame part. Unlike the conventional fishing nets, other metal female thread members' shanks are attached. The front-end side is not very heavy, so the operability of the fishing net is improved. Instead, the female thread portion is directly formed on the cylindrical material itself, so the economy is also very good, which can eliminate the operation process of installing other parts. In addition, the net frame portion is directly connected to the cylindrical body constituting the shank portion, and the mutual connection force is also improved. The female screw portion is formed by forming the cylindrical body constituting the shank portion, and then directly cutting the screw. It is formed on the inner peripheral surface of the front end side. The fishing net of the 6th invention is the fishing net of the 5th invention, wherein the cylindrical body is formed by firing a prepreg material in which a synthetic resin is impregnated with a reinforcing fiber. This cylindrical body has a main prepreg material portion forming a cylindrical portion, an auxiliary prepreg material portion which overlaps the main prepreg material portion at the inner peripheral area of the front end portion, and a female thread portion is a screw engraving auxiliary prepreg material. Partly formed. This fishing net can be made lightweight and completely increase its mechanical strength by forming a cylindrical body ′ constituting a handle portion using a prepreg material. As the main prepreg material forming the cylindrical portion, for example, a material in which carbon fiber or glass fiber is impregnated with epoxy resin or the like can be used. On the inner peripheral surface of the front end side where the female thread portion is formed, the use of an auxiliary prepreg material which is easier to be engraved, which is different from the main prepreg material which forms the cylindrical portion, makes the engraving operation easier. For example, as the auxiliary prepreg material, a prepreg material in which an epoxy resin is impregnated into a nonwoven fabric such as polyester may be used. This paper size applies to Chinese National Standard (CNS) A4 specification (210X 297 mm) 丨-(Please read the precautions on the back before filling this page) — Ordered by the Intellectual Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives-7- 574021 A7 B7 V. Explanation of the invention (Sentence [Invention Implementation Mode] I ----- #! (Please read the precautions on the back before filling out this page) [First Implementation Mode] The first implementation mode of the present invention As shown in FIG. 1, the fishing net in the state has: a net frame portion 1 on which a net is mounted on a ring-shaped frame, and a handle portion 2 connected to the net frame portion 1. The net frame portion 1 is to: A frame portion formed by bending a metal linear member made of a stainless steel alloy, a titanium alloy, or the like into a loop, and a net shape formed by weaving a wire made of nylon fiber or the like into a net. A partially assembled member. The frame portion of the net frame portion 1 is connected to the connection member 3 at a part of its circumference. For example, the connection member 3 is composed of a pair of half members, and is a frame portion Both ends are housed in a bent state. There is a male thread portion (refer to Fig. 2) for screwing to a female thread member described later. The frame portion is a metal portion having a groove portion formed on the outer peripheral surface and opening in the outer peripheral direction, and holding the opening edge portion of the net. The core wire of nylon or nylon is inserted and clamped in the groove part, so that the net part is fixed to the frame part. The printed handle 2 is printed by the consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs in order from the front side in order to extract Forms that connect the first cylindrical body 10 to the fourth cylindrical body 13 3. Each cylindrical body is wound around a core with a fiber-reinforced resin that is a synthetic fiber impregnated with a reinforcing fiber such as carbon fiber or glass fiber. The cylindrical member with a thinner tip is manufactured by firing the material. The first cylindrical body 10 to the fourth cylindrical body 13 are the outer peripheral surface of the root end side or the inner peripheral surface of the front end side end. Each one becomes a fitting part, which is a tube that can sequentially fit and fix the front-end tubular body to the root side. The paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) -8- 574021. A7 B7
五、發明説明（Q 狀體的前側。在最靠近手把側的第四筒狀體1 3的手把側 端部是裝卸自如地安裝著底栓部1 4。 (請先閲讀背面之注意事項再填寫本頁) 如第2圖及第3圖所示，在位於柄部2的最前端側的 第一筒狀體1 0的前端側端部內，是安裝有略圓筒形的母 螺紋構件2 0。該母螺紋構件2 0，在內周面是具有螺紋 部分’在外周面是形成有：在圓周方向隔著間隔朝軸方向 延伸的複數的縱溝槽、及在軸方向隔著間隔朝圓周方向延 伸的複數的橫溝槽。這種母螺紋構件2 0，是由將聚丁烯 對苯二甲酸酯（p B T )樹脂浸漬在玻璃纖維的玻璃纖維 強化樹脂材料所形成，其軸方向長度爲1 5〜3 0mm左 右。玻璃纖維的含有量雖然可以適當地設定，可是考量到 物理強度則最好是設定成包含有2 〇〜4 0重量％左右的 玻璃纖維。而縱溝槽及橫溝槽只要在形成圓筒型構件之後 再切削外周面來形成即可，具體來說，是設定成具有 0·2〜0·4mm左右的深度。 在該實施型態中，是要兼用縱溝槽與橫溝槽或形成其 中一種都可以。 經濟部智慧財產局員工消費合作社印製 該母螺紋構件2 0，在製造好第一筒狀體1 〇之後， 可從前側端部***藉由黏著劑等來黏著固定。在這種情況 ，預定的溝槽會成爲黏著聚積處來使固定力提升。而藉由 以下的方法，也可以在第一筒狀體1 〇製造時就內含在裡 面而一體地固定。 如第4圖所示，首先準備實施過預定的前端較細的錐 度處理的心軸（芯材）1 0 〇，將預先形成的母螺紋構件2 〇 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -9 - 574021 A7 — __B7____'_ 五、發明説明（7) 配置在其前側端部。而在因應需要將脫模劑等塗敷到心軸 (請先閱讀背面之注意事項再填寫本頁) 1 〇 0的外周之後，再將預浸漬材料P捲繞到該母螺紋構 件2 0及心軸1 〇 〇的外周。 該預浸漬材料P，是將碳纖維或玻璃纖維朝單一方向 排列且浸漬環氧樹脂等合成樹脂的材料，是用加工成薄片 狀或帶狀的材料。因應需要，可捲繞上複數的強化纖維的 排列方向不相同的預浸漬材料，將其在爐內焙燒而成。 焙燒好之後，僅將心軸1 〇 〇抽出，實施需要的表面 處理’製造出第一筒狀體1 〇。藉由製造這種內含有母螺 紋構件2 0的第一筒狀體1 〇，特別是藉由母螺紋構件 2 0的外周面的溝槽而讓母螺紋構件2 〇與第一筒狀體 2 0緊密固定爲一體。 經濟部智慧財產局員工消費合作社印製 這種構造的撈網，是經由連結構件3來把網框部1連 結在由玻璃纖維強化樹脂所構成的母螺紋構件2 0，由於 母螺紋構件2 0很輕，所以柄部2的前端側不會很重，操 作性會很好。這種母螺紋構件2 0較便宜經濟性較佳。且 藉由使用中介有強化纖維的合成樹脂材料，也可充分保證 所受負荷很大的母螺紋構件2 〇的機械強度。 【第二實施型態】 採用本發明的第二實施型態的撈網，與第一實施型態 相同，是具有：將網子安裝在環形的框子上的網框部1、 及連結於網框部1的柄部2。 該網框部1的框子部份在圓周的其中一部分是連結在 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -10- 574021 經濟部智慧財產局員工消費合作社印製 A 7 B7 _五、發明説明（9 連結構件3，連結構件3是具有用來螺合於後述的第一筒 狀部1 0的母螺紋部份1 0 a的母螺紋部分（參照第5圖）。 框子部分是具有形成於環狀的外周面開口於外周方向的溝 槽部，卡止著網子的開口緣部的金屬製的或尼龍製的芯線 是嵌入夾在該溝槽部，讓網子部分被固定在框子部分。 如第5圖所示，在位於柄部2的最前端側的第一筒狀 體1 0的前端側端部內，直接在材料本身螺刻上螺紋部， 而成爲母螺紋部分1 0 a。該第一筒狀體1 0，例如是將 加工成薄片狀或帶狀的預浸漬材料捲繞在心軸（芯材），再予 以焙燒而製造成的。而在製造成筒狀之後，藉由從前端側 端部來螺刻內周面，而形成母螺紋部分1 0 a。 特別是，將輔助預浸漬材料捲繞積疊在第一筒狀部 1 0的前端側內周，也可在該部份形成母螺紋部分1 0 a 〇 也就是，如第6圖所示，準備實施過預定的前端較細 的錐度處理的筒狀的心軸1 0 0，將把環氧樹脂浸漬在由 聚酯所構成的不織布且加工成薄片狀的輔助預浸漬材料 P 2捲繞在該心軸1 0 0的前端側的局部。而且，在其外 周涵蓋心軸1 0 0的全體，捲繞上使環氧樹脂浸漬在碳纖 維等的主預浸漬材料P1。將其焙燒使兩預浸漬材料一體 化之後，將心軸1 0 0抽出。在第7圖中模式性地顯示的 ，將前端側的積疊有輔助預浸漬材料P 2的內周面加以螺 刻而形成母螺紋部分1 〇 a。這種輔助預浸漬材料P 2的 切削作業也很容易，藉由使用該部份讓母螺紋部分1 0 a (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -11 - 574021 A7 B7 五、發明説明（9 的螺刻作業也變得容易。 (請先閱讀背面之注意事項再填寫本頁) 在這種構造的撈網，是在位於構成柄部2的最前端側 的第一筒狀體1 0的前端側內部直接形成螺紋部，而成爲 母螺紋部分1 0 a。就不需要將其他零件安裝在柄部2的 前端側，可以抑制前端側的重量，讓撈網的操作性提升。 而藉由在第一筒狀體10的材料本身直接形成母螺紋部分 1 0 a，讓經濟性也很好，可以排除安裝其他零件的作業 流程。並且，讓構成柄部2的第一筒狀部與網框部1直接 連結，也提昇了相互的連結力。 【發明效果】 藉由本發明的撈網，可藉由讓前端側部份輕量化而提 升操作性，且經濟性也很好。 【圖面說明】 第1圖是採用本發明的第一實施型態的撈網的全體圖 〇 經濟部智慧財產局員工消費合作社印製 第2圖是第1圖的柄部2的第一筒狀部1 0的前側部 分的剖面圖。 第3圖是第2圖的參考圖。 第4圖是第一筒狀體1 0的製造方法的一例的顯示圖 〇 第5圖是採用本發明的第二實施型態的撈網的柄部2 的第一筒狀體1 〇的前側部分的剖面圖。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -12- 574021 A7V. Description of the invention (front side of Q-shaped body. On the handlebar side of the fourth cylindrical body 1 3 closest to the handlebar side, the bottom bolt portion 1 4 is detachably mounted. (Please read the note on the back first) Please fill in this page again.) As shown in Figures 2 and 3, a slightly cylindrical female thread is attached to the front end of the first cylindrical body 10 located on the foremost side of the shank 2. Member 20. This female threaded member 20 has a threaded portion on its inner peripheral surface. On the outer peripheral surface, a plurality of longitudinal grooves extending in the axial direction at intervals in the circumferential direction and interposed in the axial direction are formed. A plurality of horizontal grooves extending at intervals in the circumferential direction. This female screw member 20 is formed of a glass fiber reinforced resin material in which polybutene terephthalate (p BT) resin is impregnated with glass fiber. The length in the axial direction is about 15 to 30 mm. Although the content of the glass fiber can be appropriately set, considering physical strength, it is best to set the glass fiber to contain about 20 to 40% by weight of glass fiber. Grooves and horizontal grooves need only be cut after forming a cylindrical member The peripheral surface may be formed, and specifically, it is set to have a depth of about 0.2 to 0.4 mm. In this embodiment, it is sufficient to use both the vertical groove and the horizontal groove or to form one of them. The consumer thread of the Intellectual Property Bureau of the Ministry of Economic Affairs printed the female threaded member 20, and after the first cylindrical body 10 was manufactured, it could be inserted and fixed by an adhesive or the like from the front end. In this case, it is planned to The grooves will become adhesion and accumulation place to improve the fixing force. By the following method, the first cylindrical body 10 can also be included and fixed in one piece when it is manufactured. As shown in Figure 4, First prepare a mandrel (core material) that has been subjected to a predetermined tapered taper at the front end. A pre-formed female threaded member will be prepared. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm)- 9-574021 A7 — __B7 ____'_ V. Description of the invention (7) It is arranged at the front end. When the mold release agent is applied to the mandrel (please read the precautions on the back before filling this page) 1 After the outer periphery of 〇0, The material P is wound around the outer periphery of the female screw member 20 and the mandrel 100. The prepreg P is a material in which carbon fibers or glass fibers are aligned in a single direction and impregnated with a synthetic resin such as epoxy resin. Sheet-like or strip-shaped material. If necessary, a plurality of prepregs with different arrangement directions of the reinforcing fibers can be wound up and fired in an oven. After firing, only the mandrel 1 〇〇 The first cylindrical body 10 is manufactured by extracting and performing the required surface treatment. The first cylindrical body 10 including the female screw member 20 is manufactured, and particularly the outer periphery of the female screw member 20 is manufactured. The surface grooves allow the female screw member 20 and the first cylindrical body 20 to be tightly integrated into one body. The fishing net of this structure printed by the employee's consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs connects the net frame portion 1 to the female threaded member 20 made of glass fiber reinforced resin through the connecting member 3, because the female threaded member 2 0 It is very light, so the front end side of the handle 2 is not very heavy, and the operability is good. Such a female screw member 20 is cheaper and more economical. In addition, by using a synthetic resin material interposed with reinforcing fibers, the mechanical strength of the female screw member 20, which is subjected to a large load, can be sufficiently ensured. [Second Embodiment Mode] The fishing net adopting the second embodiment mode of the present invention is the same as the first embodiment mode, and has a net frame portion 1 in which a net is mounted on a ring-shaped frame and connected to the net. Frame section 1 柄 部 2. Part of the frame part of the frame part 1 on the circumference is connected to this paper. The Chinese National Standard (CNS) A4 specification (210X297 mm) is applicable. -10- 574021 Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A 7 B7 _V. Description of the invention (9 The connecting member 3, the connecting member 3 is a female screw portion having a female screw portion 10a for screwing to a first cylindrical portion 10 described later (see FIG. 5). The frame portion has a groove portion formed in a ring-shaped outer peripheral surface and opening in the outer circumferential direction, and a metal or nylon core wire that locks the opening edge portion of the net is inserted and clamped in the groove portion, so that the net The part is fixed to the frame part. As shown in FIG. 5, the threaded part is directly engraved on the material itself in the front end side of the first cylindrical body 10 located on the foremost end side of the handle 2 to become a female. The threaded portion 10 a. The first cylindrical body 10 is manufactured by, for example, winding a prepreg material that is processed into a sheet shape or a belt shape around a mandrel (core material), and then firing it. After the tube shape, the inner peripheral surface is engraved by screwing from the front end side end The female screw portion 10 a is formed. In particular, the auxiliary prepreg material is wound and stacked on the inner periphery of the front end side of the first cylindrical portion 10, and the female screw portion 10 a can also be formed at this portion. That is, as shown in FIG. 6, a cylindrical mandrel 100 that has been subjected to a predetermined tapered tip is prepared, and an epoxy resin is impregnated into a non-woven fabric made of polyester and processed into a thin sheet. The auxiliary prepreg P 2 is wound around a part of the front end side of the mandrel 100. The outer perimeter covers the entire mandrel 100, and the main prepreg is impregnated with carbon fiber or the like by being wound around the mandrel 100. Material P1. After firing to integrate the two prepreg materials, the mandrel 100 is pulled out. As shown schematically in Fig. 7, the inner periphery of the auxiliary prepreg material P 2 is stacked on the front end side. The female thread part 1 〇a is engraved on the surface. This auxiliary prepreg material P 2 is also easy to cut. By using this part, the female thread part 1 0 a (please read the precautions on the back side first) (Fill in this page) This paper size is applicable to China National Standard (CNS) A4 specification (210 X297 mm) -11-574021 A7 B7 V. Description of the invention (9 screwing is also easy. (Please read the precautions on the back before filling this page) The fishing net of this structure is located in the composition The threaded portion is directly formed inside the front end side of the first cylindrical body 10 on the foremost end side of the shank 2 to become a female threaded portion 10 a. There is no need to install other parts on the front end side of the shank 2, which can suppress The weight on the front side improves the operability of the fishing net. And by directly forming the female thread portion 10a on the material of the first cylindrical body 10, the economy is also very good, and the operation process of installing other parts can be eliminated . In addition, the first cylindrical portion constituting the handle portion 2 and the net frame portion 1 are directly connected to each other, thereby increasing the mutual connection force. [Effect of the invention] With the fishing net of the present invention, operability can be improved by reducing the weight of the front-end side portion, and the economy is also very good. [Illustration of the drawing] Fig. 1 is an overall view of the fishing net adopting the first embodiment of the present invention. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Fig. 2 is the first tube of the handle 2 of Fig. 1. A cross-sectional view of a front portion of the shape portion 10. FIG. 3 is a reference diagram of FIG. 2. Fig. 4 is a view showing an example of a method for manufacturing the first cylindrical body 10. Fig. 5 is a front side of the first cylindrical body 10 of the handle 2 of the fishing net employing the second embodiment of the present invention. Sectional view of part. This paper size is applicable to China National Standard (CNS) A4 (210X297 mm) -12- 574021 A7
五、發明説明（P 第6圖是第5圖的第一筒狀體10的其他製造方法的 顯示圖。 第7圖是用第6圖的製造方法所製造的第一筒狀體 1 0的前端側內周面的模式圖。 【圖號說明】 1 :網框部 2 :柄部 3:連結構件 10〜13:第一〜第四筒狀體 1 0 a :母螺紋部分 2 0 :母螺紋構件 (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐）5. Description of the invention (P FIG. 6 is a view showing another manufacturing method of the first cylindrical body 10 in FIG. 5. FIG. 7 is a diagram of the first cylindrical body 10 manufactured by the manufacturing method in FIG. 6. Schematic diagram of the inner peripheral surface on the front end side. [Description of drawing number] 1: Net frame part 2: Handle part 3: Connecting member 10 to 13: First to fourth tubular bodies 1 0 a: Female threaded part 2 0: Female Threaded components (Please read the precautions on the back before filling this page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs This paper is sized for the Chinese National Standard (CNS) A4 (210X297 mm)