JP2001170225A - Golf club and method for manufacturing the same - Google Patents
Golf club and method for manufacturing the sameInfo
- Publication number
- JP2001170225A JP2001170225A JP35781099A JP35781099A JP2001170225A JP 2001170225 A JP2001170225 A JP 2001170225A JP 35781099 A JP35781099 A JP 35781099A JP 35781099 A JP35781099 A JP 35781099A JP 2001170225 A JP2001170225 A JP 2001170225A
- Authority
- JP
- Japan
- Prior art keywords
- head
- hollow body
- adhesive
- golf club
- sensitive adhesive
- 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
Landscapes
- Golf Clubs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ゴルフクラブおよ
びその製造方法に係わり、特に中空なヘッドを有するゴ
ルフクラブおよびその製造方法に関する。The present invention relates to a golf club and a method of manufacturing the same, and more particularly, to a golf club having a hollow head and a method of manufacturing the same.
【０００２】[0002]
【発明が解決しようとする課題】ヘッドが中空な金属製
のいわゆるメタルウッドが広く用いられているが、従来
のメタルウッドでは、切り子などのヘッド内の浮遊物に
よる音鳴りの防止や、ヘッドの重量調整を目的としてヘ
ッドの内部全体に発泡ウレタンなどを充填していた。一
方、近時は、ヘッドの大型化が進んでいる。大きなヘッ
ドには、フェース面つまり打球面自体が大きくなるた
め、フェース面において打撃されたボールが真っ直ぐに
よく飛ぶ範囲も大きくなり、初心者にとっても扱いやす
い利点があるからである。しかしながら、このようにヘ
ッドの大型化が進み、その体積が300cm3を越えると、発
泡ウレタンでは10ｇ程度注入する必要があり、ヘッドの
重量の過度の増大を招き、振りにくいゴルフクラブにな
ってしまう。A so-called metal wood having a hollow head is widely used. However, in the conventional metal wood, it is possible to prevent noises caused by floating matters in the head such as cutting chips and to prevent the head from being sounded. For the purpose of weight adjustment, the entire inside of the head was filled with urethane foam or the like. On the other hand, recently, heads have been increasing in size. This is because a large head has a large face surface, that is, a hitting surface itself, and thus has an advantage that a ball hit on the face surface can fly straight and well, and is easy to handle even for a beginner. However, as the size of the head is increased as described above and the volume exceeds 300 cm 3 , it is necessary to inject about 10 g of urethane foam, resulting in an excessive increase in the weight of the head and a golf club that is difficult to swing. .
【０００３】これに対して、例えば特許第２９１６３９
０号公報などに記載されているように、中空なヘッド内
に熱可塑性の粘着剤を加熱状態で注入する技術が知られ
ている。この方法によれば、粘着剤の表面に切り子を付
着させることにより音鳴りを防止でき、注入する量も２
〜３ｇで十分である。しかしながら、熱可塑性粘着剤を
無溶剤の状態で使用するものであるため、製造に際し
て、一度加熱した後さらに冷却させる工程が必要であ
り、そのため、時間とコストがかかる問題があった。On the other hand, for example, Japanese Patent No. 291639
As described in, for example, Japanese Patent Application Laid-Open Publication No. 0-205, there is known a technique in which a thermoplastic pressure-sensitive adhesive is injected into a hollow head in a heated state. According to this method, it is possible to prevent noise by attaching a facet to the surface of the adhesive, and the amount to be injected is also 2
３3 g is sufficient. However, since the thermoplastic pressure-sensitive adhesive is used in a solvent-free state, a step of heating once and further cooling is required in the production, and thus there is a problem that it takes time and costs.
【０００４】本発明は、このような問題点を解決しよう
とするもので、音鳴りを防止できるとともに、精度の高
い重量調整ができ、しかも製造性に優れたゴルフクラブ
およびその製造方法を提供することを目的とする。SUMMARY OF THE INVENTION The present invention is intended to solve such a problem, and provides a golf club and a method of manufacturing the golf club which can prevent noise, can adjust the weight with high precision, and are excellent in manufacturability. The purpose is to:
【０００５】[0005]
【課題を解決するための手段】請求項１の発明は、前記
目的を達成するために、複数の金属殻を組合わせた中空
体からなるヘッドの一側にシャフトを接続したゴルフク
ラブにおいて、前記中空体内に溶剤型または水溶性の粘
着剤を注入し固着させてなるものである。According to a first aspect of the present invention, there is provided a golf club in which a shaft is connected to one side of a head made of a hollow body in which a plurality of metal shells are combined to achieve the above object. It is obtained by injecting and fixing a solvent-type or water-soluble adhesive into the hollow body.
【０００６】これにより、ヘッド内で粘着剤の表面に切
り子などの浮遊物が付着することによって音鳴りが防止
される。また、ヘッド内全体に充填しなければならない
発泡ウレタンに比べ少量で済むため、ヘッドの微妙な重
量調整が可能である。さらに、製造に際して、粘着剤を
常温で注入できるため、無溶剤の状態で熱可塑性の粘着
剤を用いた場合に比べ、加熱および冷却の時間とコスト
が削減される。[0006] Thus, noise is prevented by the attachment of floating material such as cutting chips on the surface of the adhesive in the head. In addition, since a smaller amount is required as compared with urethane foam which must be completely filled in the head, fine weight adjustment of the head is possible. Further, since the pressure-sensitive adhesive can be injected at room temperature during production, the time and cost for heating and cooling are reduced as compared with the case where a thermoplastic pressure-sensitive adhesive is used in a solventless state.
【０００７】請求項２の発明のゴルフクラブの製造方法
は、前記目的を達成するために、複数の金属殻を組合わ
せてヘッドとなる中空体を形成し、この中空体が有する
開孔部から中空体内に、常温で流動性を有する溶剤型ま
たは水溶性の粘着剤を注入した後、この粘着剤から溶剤
または水分を消失させることによって流動性を失わせ、
前記粘着剤を前記中空体の内部に固着するものである。According to a second aspect of the present invention, there is provided a golf club manufacturing method in which a plurality of metal shells are combined to form a hollow body serving as a head, and a hole is formed in the hollow body. After injecting a solvent type or water-soluble adhesive having fluidity at room temperature into the hollow body, the fluidity is lost by eliminating the solvent or moisture from the adhesive,
The pressure-sensitive adhesive is fixed inside the hollow body.
【０００８】これにより、ヘッド内で粘着剤の表面に切
り子などの浮遊物が付着することによって音鳴りが防止
される。また、前記粘着剤は、ヘッド内全体に充填しな
ければならない発泡ウレタンに比べ少量で済むため、ヘ
ッドの微妙な重量調整が可能である。さらに、製造に際
して、粘着剤を常温で注入できるため、無溶剤の状態で
熱可塑性の粘着材を用いた場合に比べ、加熱および冷却
の時間とコストが削減される。[0008] With this, sound is prevented from being generated due to the adhesion of floating substances such as cutting chips to the surface of the adhesive in the head. Further, the pressure-sensitive adhesive can be used in a smaller amount than urethane foam which must be filled in the entire head, so that the head can be finely adjusted in weight. Further, since the pressure-sensitive adhesive can be injected at room temperature during production, the time and cost for heating and cooling are reduced as compared with the case where a thermoplastic pressure-sensitive adhesive is used in a solventless state.
【０００９】請求項３の発明は、前記目的を達成するた
めに、複数の金属殻を組合わせてヘッドとなる中空体を
形成し、この中空体が有する開孔部からエアロゾルスプ
レー型の粘着剤を前記中空体の内壁に吹き付けるもので
ある。According to a third aspect of the present invention, in order to achieve the above object, a plurality of metal shells are combined to form a hollow body serving as a head, and an aerosol spray type pressure-sensitive adhesive is formed through an opening of the hollow body. Is sprayed on the inner wall of the hollow body.
【００１０】これにより、ヘッド内で粘着剤の表面に切
り子などの浮遊物が付着することによって音鳴りが防止
される。また、前記粘着剤は、ヘッド内全体に充填しな
ければならない発泡ウレタンに比べ少量で済むため、ヘ
ッドの微妙な重量調整が可能である。さらに、製造に際
して、粘着剤を常温で注入できるため、無溶剤の状態で
熱可塑性の粘着材を用いた場合に比べ、加熱および冷却
の時間とコストが削減される。[0010] With this arrangement, the sound is prevented from being generated due to the adhesion of floating substances such as cutting chips to the surface of the adhesive in the head. Further, the pressure-sensitive adhesive can be used in a smaller amount than urethane foam which must be filled in the entire head, so that the head can be finely adjusted in weight. Further, since the pressure-sensitive adhesive can be injected at room temperature during production, the time and cost for heating and cooling are reduced as compared with the case where a thermoplastic pressure-sensitive adhesive is used in a solventless state.
【００１１】[0011]
【発明の実施形態】以下、本発明のゴルフクラブおよび
その実施例の実施形態について、図面を参照しながら説
明する。本実施形態のゴルフクラブはウッドクラブであ
り、ヘッド１が金属製で中空のいわゆるメタルウッドで
ある。そのヘッド１は、前面がボールの打撃面をなすフ
ェース２、後側がバック３、下側がソール４、上側がク
ラウン５、左右方向一側がトウ６、他側がヒール７をな
している。このヒール７の上側にはネック８が形成され
ており、このネック８からホーゼル９が上方へ突出して
いる。このホーゼル９は、シャフト10が接続される接続
部をなすものである。また、フェース２には複数の凹溝
状のスコアーライン11が形成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the golf club of the present invention and examples thereof will be described with reference to the drawings. The golf club of the present embodiment is a wood club, and the head 1 is a hollow metal so-called metal wood. The head 1 has a face 2 on the front surface forming a ball hitting surface, a back 3 on the rear side, a sole 4 on the lower side, a crown 5 on the upper side, a toe 6 on one side in the left-right direction, and a heel 7 on the other side. A neck 8 is formed above the heel 7, and a hosel 9 projects upward from the neck 8. The hosel 9 forms a connection portion to which the shaft 10 is connected. A plurality of groove-shaped score lines 11 are formed on the face 2.
【００１２】そして、前記ヘッド１は、チタンまたはチ
タン合金等からなる複数の金属殻を組合わせて構成さ
れ、内部が中空部15をなす中空体からなっている。すな
わち、ヘッド１の外殻部は、それぞれ板状の金属殻であ
るフェース部材16とボディ部材17とクラウン部材18から
なっている。フェース部材16はフェース２を形成するも
のであり、クラウン部材18はクラウン５を形成するもの
であり、ボディ部材17はそれ以外のバック３を含めた側
周部や底面部であるソール４を形成するものである。そ
して、これらフェース部材16、ボディ部材17およびクラ
ウン部材18は、溶接などの手段により互いに接合されて
いる。また、前記ネック８およびホーゼル９は、金属製
の管状のホーゼル部材19により形成されている。このホ
ーゼル部材19の内部は、シャフト10の接続前において中
空部15内に通じる開孔部20をなす。The head 1 is composed of a combination of a plurality of metal shells made of titanium or a titanium alloy or the like, and has a hollow body having a hollow portion 15 inside. That is, the outer shell of the head 1 is composed of a face member 16, a body member 17, and a crown member 18, each of which is a plate-like metal shell. The face member 16 is for forming the face 2, the crown member 18 is for forming the crown 5, and the body member 17 is for forming the sole 4 which is a side peripheral portion including the back 3 and a bottom portion. Is what you do. The face member 16, the body member 17, and the crown member 18 are joined to each other by means such as welding. The neck 8 and the hosel 9 are formed by a tubular hosel member 19 made of metal. The inside of the hosel member 19 forms an opening 20 communicating with the hollow portion 15 before the connection of the shaft 10.
【００１３】そして、前記ヘッド１の中空部15内には、
その内壁に沿って溶剤型または水溶性粘着剤を固着して
なる付加体21が設けられている。この付加体21は、図１
に示す例では、中空部15内の底部のほぼ全体に均一に設
けてあり、図４に示す例では、中空部15内の底部でバッ
ク３側に偏った位置に設けてあり、図５に示す例では、
中空部15内の底部でトウ６側に偏った位置に設けてあ
り、図６に示す例では、中空部15内の底部でヒール７側
に偏った位置に設けてある。付加体21を設ける位置は、
他にも適宜設定することができ、中空部15の内壁上側あ
るいは内壁全体に設けたりすることも可能である。In the hollow portion 15 of the head 1,
An additional body 21 having a solvent type or water-soluble pressure-sensitive adhesive fixed thereto is provided along the inner wall. This additive 21 is shown in FIG.
In the example shown in FIG. 5, the bottom part in the hollow part 15 is provided uniformly over substantially the entire bottom part. In the example shown in FIG. 4, the bottom part in the hollow part 15 is provided at a position biased toward the bag 3. In the example shown,
In the example shown in FIG. 6, it is provided at the bottom of the hollow portion 15 at a position deviated toward the toe 6 and at the bottom of the hollow portion 15 at a position deviated toward the heel 7. The position where the additional body 21 is provided is
Other settings can be made as appropriate, and they can be provided on the inner wall of the hollow portion 15 or on the entire inner wall.
【００１４】つぎに、前記ヘッド１の製造方法について
説明する。この製造の工程においては、まずチタンまた
はチタン合金などからなる板材を所定形状にプレス加工
して金属殻であるフェース部材16、ボディ部材17および
クラウン部材18を作成する。ついで、これらフェース部
材16、ボディ部材17およびクラウン部材18、さらに管材
からなるホーゼル部材19を組合わせて溶接し、ヘッド１
となる中空体を作成する。さらに、研磨工程、ロフト角
度およびライ角度の調整工程、熱処理工程を経て塗装工
程を施すことによりヘッド１が完成する。Next, a method of manufacturing the head 1 will be described. In this manufacturing process, first, a plate member made of titanium or a titanium alloy is pressed into a predetermined shape to form a face member 16, a body member 17, and a crown member 18, which are metal shells. Next, the face member 16, the body member 17, the crown member 18, and the hosel member 19 made of a tube material are combined and welded to form the head 1
Create a hollow body that becomes Further, the head 1 is completed by performing a coating process through a polishing process, a process of adjusting a loft angle and a lie angle, and a heat treatment process.
【００１５】このヘッド１の製造工程の最終段階におい
て、その中空部15内に前記付加体21を設ける。つぎに、
これについて説明する。付加体21を形成する材料として
は溶剤型粘着剤または水溶性粘着剤を用いることができ
る。いずれにせよ、常温で流動性を有し、溶剤または水
分を消失させることにより流動性を失う粘着剤を用い
る。水溶性粘着剤は、乾燥に手間がかかるとともに、水
分を消失させた後の重量変化が大きく、扱いが難しいた
め、溶剤型粘着剤の方が有利である。In the final stage of the manufacturing process of the head 1, the additional member 21 is provided in the hollow portion 15 thereof. Next,
This will be described. As a material for forming the adduct 21, a solvent-type adhesive or a water-soluble adhesive can be used. In any case, an adhesive which has fluidity at room temperature and loses fluidity by eliminating a solvent or moisture is used. The water-soluble pressure-sensitive adhesive requires much time for drying and has a large weight change after water is eliminated, and is difficult to handle. Therefore, the solvent-type pressure-sensitive adhesive is more advantageous.
【００１６】また、中空部15内に付加体21を入れる方法
としては、図７に示すようにホーゼル部材19の開孔部20
から注入ノズル31を用いて液体状態の粘着剤を中空部15
内に注入する方法や、図８に示すようにホーゼル部材19
の開孔部20に挿入したスプレーノズル32からエアロゾル
状態の粘着剤を中空部15の内壁に吹き付ける方法を採用
できる。これら両方法のうち、スプレー式は粘着力が劣
るため、液体状態での粘着剤を注入する方法の方が有利
である。As a method for inserting the additional member 21 into the hollow portion 15, as shown in FIG.
From the hollow part 15 using the injection nozzle 31
The hosel member 19 as shown in FIG.
A method of spraying an aerosol-state pressure-sensitive adhesive onto the inner wall of the hollow portion 15 from the spray nozzle 32 inserted into the opening portion 20 can be adopted. Of these two methods, the spray method has a lower adhesive strength, and the method of injecting the adhesive in a liquid state is more advantageous.
【００１７】ヘッド１に付加体21として用いるのに好ま
しい溶剤型粘着剤としては、例えばボンドＫＨ５４（コ
ニシ株式会社）がある。これは、アクリル系共重合物を
主成分とするもので、酢酸エチル、トルエンを主溶剤と
している。外観は淡黄色透明粘稠液であるが、付加体21
はヘッド１内に設けられるものなので、外観性はもとよ
り問題にならない。また、ボンドＫＨ５４の粘度は3500
〜5500cps(25℃)、蒸発残分は43.0〜45.0％である。そ
して、ボンドＫＨ５４は、耐クリープ性に優れるととも
に、粘着力および凝集力が高いという特性を有し、ヘッ
ド１に付加体21として用いるのに好適である。As a preferred solvent-type pressure-sensitive adhesive to be used as the additional body 21 in the head 1, there is, for example, Bond KH54 (Konishi Co., Ltd.). This is mainly composed of an acrylic copolymer, and contains ethyl acetate and toluene as main solvents. The appearance is a pale yellow transparent viscous liquid, but adduct 21
Is provided in the head 1, so that the appearance is not a problem. In addition, the viscosity of Bond KH54 is 3500
55500 cps (25 ° C.), evaporation residue is 43.0-45.0%. The bond KH54 has excellent creep resistance and high adhesive and cohesive strength, and is suitable for use as the additional body 21 in the head 1.
【００１８】本実施例の場合、付加体21を形成するに際
して、粘着剤（ボンドＫＨ５４）に硬化剤を添加するこ
とは不要である。また、自然乾燥でよく、熱風乾燥の工
程も不要である。これにより、工程を簡略化できるとと
もに、必要な設備も少なくできる。In the case of this embodiment, it is not necessary to add a curing agent to the adhesive (bond KH54) when forming the adduct 21. Natural drying may be sufficient, and a hot air drying step is not required. Thereby, the process can be simplified and the required equipment can be reduced.
【００１９】すなわち、付加体21の形成工程の好ましい
実施例においては、図７に示すように注入ノズル31を用
いて、ホーゼル部材19の開孔部20からヘッド１の中空部
２内に常温状態の溶剤型粘着剤（ボンドＫＨ５４）を注
入する。その際、ヘッド１を適当な角度に傾けることに
より、その中空部15内で粘着剤が流動し、図１、図４、
図５あるいは図６に示すようにヘッド１内の適宜の位置
に粘着剤を偏在させることができる。そして、所定の養
生期間を経ることにより溶剤を蒸発、消失させて粘着剤
を乾燥させる。これにより、粘着剤は流動性を失い、付
加体21としてヘッド１の中空部15の内壁に確実に固着さ
れる。That is, in a preferred embodiment of the step of forming the additional body 21, the injection nozzle 31 is used to open the hosel member 19 from the opening 20 into the hollow part 2 of the head 1 at room temperature as shown in FIG. Of a solvent-type adhesive (Bond KH54). At this time, by tilting the head 1 at an appropriate angle, the adhesive flows in the hollow portion 15, and FIG.
As shown in FIG. 5 or 6, the pressure-sensitive adhesive can be unevenly distributed at an appropriate position in the head 1. Then, after a predetermined curing period, the solvent is evaporated and eliminated to dry the adhesive. As a result, the adhesive loses its fluidity and is securely fixed to the inner wall of the hollow portion 15 of the head 1 as the additional body 21.
【００２０】なお、メタルウッドのヘッド１では、塗装
の剥離などのために塗装替えの工程が後に必要になるこ
とがしばしばあるが、この工程ではヘッド１に熱が加わ
る。そこで、熱の影響による粘着剤の劣化を確認するた
めに、150℃で33時間連続加熱する試験を行ったが、粘
着力の変化は認められなかった。すなわち、前記粘着剤
からなる付加体21は、実用上十分な耐熱性を有する。In the case of the metal wood head 1, a paint replacement step is often required later for the purpose of peeling off the paint, but heat is applied to the head 1 in this step. Therefore, in order to confirm the deterioration of the pressure-sensitive adhesive due to the influence of heat, a test of continuously heating at 150 ° C. for 33 hours was performed, but no change in the adhesive strength was observed. That is, the additional body 21 made of the adhesive has practically sufficient heat resistance.
【００２１】以上のように、ヘッド１の中空部15内に粘
着剤からなる付加体21を設けることにより、前記プレス
加工、溶接あるいは研磨などの工程でヘッド１内に生じ
た切り子などの浮遊物が粘着剤の表面に付着するので、
ゴルフクラブの使用時に前記浮遊物に起因する音鳴りが
発生することを防止できる。As described above, by providing the additional body 21 made of an adhesive in the hollow portion 15 of the head 1, a floating substance such as a facet or the like generated in the head 1 in the step of the press working, welding, polishing or the like. Adheres to the surface of the adhesive,
When the golf club is used, it is possible to prevent the generation of sound caused by the suspended matter.
【００２２】また、ヘッド１の中空部15内全体に充填し
なければならない発泡ウレタンを用いた場合に比べ、前
記粘着剤は少量で済むため、ヘッド１の微妙な重量調整
すなわち精度の高い重量調整が可能である。しかも、前
述のように付加体21を設ける位置を調整することによ
り、ヘッド１における重量配分の調整も可能である。例
えば、付加体21をヘッド１内の下側に設ければ、低重心
化を図ることができる。低重心のヘッド１は、特に重心
よりも下側でボールを打撃してしまい、その結果ボール
の飛距離が伸びないプレーヤに効果的である。また、図
４に示すように付加体21をヘッド１内の後側に設けれ
ば、ヘッド１全体の重心をより後側にして、打撃したボ
ールが比較的真っ直ぐによく飛ぶ領域であるスイートエ
リアを拡大できる。さらに、図５および図６に示すよう
に、付加体21をヘッド１内でトウ６側またはヒール７側
に偏った位置に設けることにより、ボールの打撃に際し
てのスライスやフックの傾向を矯正できるゴルフクラブ
を提供できる。Further, compared with the case of using urethane foam which must be filled in the entire hollow portion 15 of the head 1, the amount of the adhesive is small, so that the weight of the head 1 is finely adjusted, that is, the weight is adjusted with high accuracy. Is possible. In addition, by adjusting the position where the additional member 21 is provided as described above, the weight distribution in the head 1 can be adjusted. For example, if the additional body 21 is provided below the head 1, the center of gravity can be reduced. The head 1 having a low center of gravity is particularly effective for a player who hits the ball below the center of gravity, and as a result, the flight distance of the ball does not increase. Also, if the additional body 21 is provided on the rear side in the head 1 as shown in FIG. 4, the center of gravity of the entire head 1 is further rearward, and the sweet area is a region where the hit ball can fly relatively straight and well. Can be expanded. Further, as shown in FIGS. 5 and 6, by providing the additional body 21 in the head 1 at a position deviated toward the toe 6 or the heel 7, the golf club can correct the tendency of slicing and hooking when hitting the ball. Can provide clubs.
【００２３】さらに、製造に際しては、粘着剤を常温で
注入できるとともに、その乾燥も常温でできるため、無
溶剤の状態で熱可塑性の粘着剤を用いた場合に比べ、加
熱および冷却の時間とコストを削減でき、製造性が向上
する。Further, in the production, the pressure-sensitive adhesive can be injected at room temperature and can be dried at room temperature, so that the time and cost for heating and cooling are lower than when a thermoplastic pressure-sensitive adhesive is used in a solventless state. And productivity can be improved.
【００２４】なお、本発明は、前記実施例に限定される
ものではなく、種々の変形実施が可能である。例えば、
前記実施例では、ヘッド１を基本的にフェース部材16、
ボディ部材17およびクラウン部材18に３分割したが、分
割はそれに限るものではなく、２分割あるいは4分割以
上してもよい。また、ヘッドを構成する金属殻の製造方
法もプレス加工に限るものではなく、鋳造などを利用し
てもよい。さらに、前記実施例では、ウッドクラブを例
に採って説明したが、本発明は、アイアンクラブにも適
用できる。要は、複数の金属殻を組合わせて形成され内
部に中空部を有する任意のヘッドに本発明は適用可能で
ある。It should be noted that the present invention is not limited to the above embodiment, and various modifications can be made. For example,
In the above embodiment, the head 1 is basically made of the face member 16,
Although the body member 17 and the crown member 18 are divided into three parts, the division is not limited thereto and may be two parts or four or more parts. Further, the method of manufacturing the metal shell constituting the head is not limited to press working, but casting may be used. Further, in the above embodiment, the wood club has been described as an example, but the present invention can also be applied to an iron club. In short, the present invention is applicable to any head formed by combining a plurality of metal shells and having a hollow portion inside.
【００２５】さらに、前記実施例のように溶剤型粘着剤
としてボンドＫＨ５４を用いた場合には、硬化剤を用い
なくても乾燥後適度な粘着性や流動性を確保できるた
め、硬化剤は特に必要ではないが、粘着剤の材料の内容
によっては、乾燥後適度な粘着性や流動性を確保するた
めに、適切な硬化剤を適用してもかまわない。Further, when Bond KH54 is used as the solvent-type pressure-sensitive adhesive as in the above-described embodiment, a suitable pressure-sensitive adhesiveness and fluidity can be ensured after drying without using a curing agent. Although not necessary, an appropriate curing agent may be applied depending on the content of the pressure-sensitive adhesive material in order to secure appropriate tackiness and fluidity after drying.
【００２６】[0026]
【発明の効果】請求項１の発明のゴルフクラブによれ
ば、ヘッドをなす中空体内に溶剤型または水溶性の粘着
剤を注入し固着させたので、ヘッド内で粘着剤の表面に
切り子などの浮遊物が付着することにより、音鳴りを防
止でき、また、ヘッド内全体に充填しなければならない
発泡ウレタンに比べ少量で済むことにより、ヘッドの微
妙な重量調整ができ、さらに、製造に際して、粘着剤を
常温で注入できることにより、無溶剤の状態で熱可塑性
の粘着剤を用いた場合に比べ、加熱および冷却の時間と
コストを削減できる。According to the golf club of the first aspect of the present invention, since the solvent-type or water-soluble adhesive is injected and fixed in the hollow body forming the head, the surface of the adhesive in the head has a chip or the like. Adhesion of suspended matter can prevent noise, and the head can be finely adjusted in weight by using a small amount compared to urethane foam which must be filled in the entire head. Since the agent can be injected at room temperature, the time and cost for heating and cooling can be reduced as compared with the case where a thermoplastic pressure-sensitive adhesive is used without a solvent.
【００２７】請求項２の発明のゴルフクラブの製造方法
によれば、ヘッドとなる中空体が有する開孔部からこの
中空体内に、常温で流動性を有する溶剤型または水溶性
の粘着剤を注入した後、この粘着剤から溶剤または水分
を消失させることによって流動性を失わせ、前記粘着剤
を前記中空体の内部に固着するので、ヘッド内で粘着剤
の表面に切り子などの浮遊物が付着することにより、音
鳴りを防止でき、また、ヘッド内全体に充填しなければ
ならない発泡ウレタンに比べ少量で済むことにより、ヘ
ッドの微妙な重量調整ができ、さらに、製造に際して、
粘着剤を常温で注入できることにより、無溶剤の状態で
熱可塑性の粘着剤を用いた場合に比べ、加熱および冷却
の時間とコストを削減できる。According to the method for manufacturing a golf club of the second aspect of the present invention, a solvent type or water-soluble adhesive having fluidity at room temperature is injected into the hollow body from the opening of the hollow body serving as the head. After that, the fluidity is lost by eliminating the solvent or moisture from the adhesive, and the adhesive is fixed inside the hollow body, so that floating substances such as cutting chips adhere to the surface of the adhesive in the head. By doing so, it is possible to prevent noise, and because it requires only a small amount compared to urethane foam which must be filled in the entire head, fine weight adjustment of the head can be performed.
Since the pressure-sensitive adhesive can be injected at room temperature, the time and cost for heating and cooling can be reduced as compared with the case where a thermoplastic pressure-sensitive adhesive is used in a solventless state.
【００２８】請求項３の発明のゴルフクラブの製造方法
によれば、ヘッドとなる中空体が有する開孔部からエア
ロゾルスプレー型の粘着剤を前記中空体の内壁に吹き付
けるので、ヘッド内で粘着剤の表面に切り子などの浮遊
物が付着することにより、音鳴りを防止でき、また、ヘ
ッド内全体に充填しなければならない発泡ウレタンに比
べ少量で済むことにより、ヘッドの微妙な重量調整がで
き、さらに、製造に際して、粘着剤を常温で注入できる
ことにより、無溶剤の状態で熱可塑性の粘着剤を用いた
場合に比べ、加熱および冷却の時間とコストを削減でき
る。According to the golf club manufacturing method of the third aspect of the present invention, since the aerosol spray type adhesive is sprayed on the inner wall of the hollow body from the opening of the hollow body serving as the head, the adhesive is formed in the head. The sound can be prevented by the adhesion of floating material such as cutting chips on the surface of the head, and the weight of the head can be finely adjusted by using a small amount compared to urethane foam which must be filled in the entire head, Furthermore, since the pressure-sensitive adhesive can be injected at room temperature during production, the time and cost for heating and cooling can be reduced as compared with the case where a thermoplastic pressure-sensitive adhesive is used in a solventless state.
【図１】本発明のゴルフクラブの一実施例を示す横断面
図である。FIG. 1 is a cross-sectional view showing one embodiment of a golf club of the present invention.
【図２】同上ヘッド全体の斜視図である。FIG. 2 is a perspective view of the entire head.
【図３】同上ヘッドの分解斜視図である。FIG. 3 is an exploded perspective view of the head.
【図４】本発明のゴルフクラブの他の実施例を示す横断
面図である。FIG. 4 is a cross-sectional view showing another embodiment of the golf club of the present invention.
【図５】本発明のゴルフクラブのさらに他の実施例を示
す縦断面図である。FIG. 5 is a longitudinal sectional view showing still another embodiment of the golf club of the present invention.
【図６】本発明のゴルフクラブのさらに他の実施例を示
す縦断面図である。FIG. 6 is a longitudinal sectional view showing still another embodiment of the golf club of the present invention.
【図７】本発明のゴルフクラブの製造方法の一実施例を
示す縦断面図である。FIG. 7 is a longitudinal sectional view showing one embodiment of the golf club manufacturing method of the present invention.
【図８】本発明のゴルフクラブの製造方法の他の実施例
を示す縦断面図である。FIG. 8 is a longitudinal sectional view showing another embodiment of the method for manufacturing a golf club of the present invention.
１ ヘッド（中空体） 10 シャフト 21 付加体（溶剤型または水溶性粘着剤） 1 head (hollow body) 10 shaft 21 adduct (solvent type or water-soluble adhesive)
Claims (3)
るヘッドの一側にシャフトを接続したゴルフクラブにお
いて、前記中空体内に溶剤型または水溶性の粘着剤を注
入し固着させてなることを特徴とするゴルフクラブ。1. A golf club in which a shaft is connected to one side of a head made of a hollow body in which a plurality of metal shells are combined, wherein a solvent-type or water-soluble adhesive is injected into and fixed to the hollow body. Golf club characterized by the above.
中空体を形成し、この中空体が有する開孔部から中空体
内に、常温で流動性を有する溶剤型または水溶性の粘着
剤を注入した後、この粘着剤から溶剤または水分を消失
させることによって流動性を失わせ、前記粘着剤を前記
中空体の内部に固着することを特徴とするゴルフクラブ
の製造方法。2. A hollow body serving as a head is formed by combining a plurality of metal shells, and a solvent-type or water-soluble pressure-sensitive adhesive having fluidity at room temperature is filled into the hollow body through an opening of the hollow body. A method of manufacturing a golf club, comprising, after injecting, removing the solvent or moisture from the pressure-sensitive adhesive to lose fluidity and fixing the pressure-sensitive adhesive inside the hollow body.
中空体を形成し、この中空体が有する開孔部からエアロ
ゾルスプレー型の粘着剤を前記中空体の内壁に吹き付け
ることを特徴とするゴルフクラブの製造方法。3. A hollow body serving as a head is formed by combining a plurality of metal shells, and an aerosol spray-type adhesive is sprayed onto an inner wall of the hollow body from an opening of the hollow body. Golf club manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35781099A JP2001170225A (en) | 1999-12-16 | 1999-12-16 | Golf club and method for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35781099A JP2001170225A (en) | 1999-12-16 | 1999-12-16 | Golf club and method for manufacturing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001170225A true JP2001170225A (en) | 2001-06-26 |
Family
ID=18456045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35781099A Pending JP2001170225A (en) | 1999-12-16 | 1999-12-16 | Golf club and method for manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001170225A (en) |
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