JPH0686841A - Golf club head and its manufacture - Google Patents

Golf club head and its manufacture

Info

Publication number
JPH0686841A
JPH0686841A JP4188442A JP18844292A JPH0686841A JP H0686841 A JPH0686841 A JP H0686841A JP 4188442 A JP4188442 A JP 4188442A JP 18844292 A JP18844292 A JP 18844292A JP H0686841 A JPH0686841 A JP H0686841A
Authority
JP
Japan
Prior art keywords
club head
golf club
core member
fiber
plastic
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.)
Granted
Application number
JP4188442A
Other languages
Japanese (ja)
Other versions
JP2570063B2 (en
Inventor
Kaoru Hashimoto
かおる 橋本
Masuhiro Okada
升宏 岡田
Toshiharu Fukushima
敏晴 福島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Yamaha Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yamaha Corp filed Critical Yamaha Corp
Priority to JP4188442A priority Critical patent/JP2570063B2/en
Publication of JPH0686841A publication Critical patent/JPH0686841A/en
Application granted granted Critical
Publication of JP2570063B2 publication Critical patent/JP2570063B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To provide a golf club head which is lightweight, possesses the high strength, large degree of freedom in designing, small vibration damping rate, and permits the easy post working and correction of bending, and the manufacturing method of the golf club head. CONSTITUTION:A golf club head 10 is formed hollow from a fiber-reinforced plastic (length of the reinforcing fiber is at least 0.5 inch) containing a thermoplastic engineering plastic as matrix.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は熱可塑性のエンジニアリ
ングプラスチック(以下、エンプラという)をマトリッ
クスとする繊維強化熱可塑性プラスチック(以下、FR
TPという)製で、軽量で後加工、曲げ等の修正がで
き、強度が高く、設計自由度の大きいゴルフクラブヘッ
ドおよびその製法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber-reinforced thermoplastic (hereinafter FR) having a thermoplastic engineering plastic (hereinafter referred to as engineering plastic) as a matrix.
The present invention relates to a golf club head made of TP), light in weight, capable of being subjected to post-processing, correction of bending, etc., high in strength, and having a high degree of design freedom, and a manufacturing method thereof.

【0002】[0002]

【従来の技術】従来、ゴルフクラブヘッドとしては、
(1)エポキシ樹脂をマトリックスとした繊維強化プラ
スチック製、(2)ステンレス鋼、アルミニウム合金な
どのメタル製、(3)パーシモン製、(4)短繊維強化
プラスチック製、のものが知られている。また、FRT
P製ゴルフクラブシャフトの製法として特開平1−18
5274号公報が知られている。
2. Description of the Related Art Conventionally, golf club heads have been
Known are (1) fiber reinforced plastics using an epoxy resin as a matrix, (2) metal such as stainless steel and aluminum alloy, (3) persimmon, and (4) short fiber reinforced plastic. Also, FRT
As a method of manufacturing a golf club shaft made of P
Japanese Patent No. 5274 is known.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、(1)
のエポキシ樹脂をマトリックスとした繊維強化プラスチ
ック製のものは、後加工による曲げ、形状づけ等の修正
が出来ず、また振動減衰が著しく、打球のインパクトの
感覚を手に伝えにくい。(2)のメタル製のものは重量
が大きく、設計の自由度が小さい。(3)のパーシモン
製のものは、後加工、修正が出来ない。(4)の短繊維
強化プラスチック製のものは、強度が不足し、肉厚が厚
くなり、設計の自由度が小さい。等、それぞれ欠点があ
る。
[Problems to be Solved by the Invention] However, (1)
The one made of fiber reinforced plastic with an epoxy resin as a matrix cannot be corrected in bending and shaping by post-processing, and its vibration damping is remarkable, making it difficult to convey the feeling of impact of a hit ball to the hand. The metal type (2) has a large weight and a small degree of freedom in design. The Persimmon type (3) cannot be post-processed or modified. The short fiber reinforced plastic (4) has insufficient strength, a large wall thickness, and a low degree of freedom in design. Each has its own drawbacks.

【0004】また上記FRTPシャフトの製法において
は、内部の強化繊維に張力が伝わらず緊張状態とならな
いため、その補強効果が十分に発揮されない不都合があ
る。
Further, in the method of manufacturing the FRTP shaft described above, since the tension is not transmitted to the reinforcing fibers inside and the tension is not established, the reinforcing effect is not sufficiently exhibited.

【0005】本発明者等は、上記シャフトの製造技術を
改良し、FRTPの強化繊維の張力を高めて、クラブヘ
ッドをつくれば、従来のメタルヘッド、パーシモンヘッ
ド等の欠点が解消できると考えた。
The present inventors considered that the drawbacks of conventional metal heads, persimmon heads, etc. could be solved by improving the shaft manufacturing technique and increasing the tension of FRTP reinforcing fibers to form a club head. .

【0006】本発明は上記の考えに基づいてなされたも
ので、軽量で、強度が高く、設計自由度が大きく、振動
減衰が小さく、さらに後加工、曲げ等の修正が容易なゴ
ルフクラブヘッドおよびその製法を提供することを目的
とする。
The present invention has been made based on the above idea, and is a golf club head which is lightweight, has high strength, has a large degree of freedom in design, has small vibration damping, and can be easily modified in post-processing and bending. The purpose is to provide the manufacturing method.

【0007】[0007]

【課題を解決するための手段】上記の目的を達成するた
め、本発明に係るゴルフクラブヘッドは、熱可塑性のエ
ンプラをマトリックスとするFRTPよりなる中空状の
ものであり、またその製法は、プラスチックからなるゴ
ルフクラブヘッド形状の中空の芯部材を作製し、この芯
部材に強化繊維と熱可塑性エンプラからなるプリプレグ
を積層して予備成形体をつくり、この予備成形体を成形
型に入れて加熱するとともに、予備成形体の内方から外
方に向かって圧力を加えながら芯部材の熱変形温度より
高い温度で加熱成形する。
In order to achieve the above object, the golf club head according to the present invention is a hollow one made of FRTP having a matrix of thermoplastic engineering plastics, and its manufacturing method is plastic. A golf club head-shaped hollow core member made of is prepared, a prepreg made of reinforcing fibers and thermoplastic engineering plastic is laminated on the core member to form a preform, and the preform is put into a molding die and heated. At the same time, heat molding is performed at a temperature higher than the thermal deformation temperature of the core member while applying pressure from the inside to the outside of the preform.

【0008】以下本発明を詳しく説明する。本発明のク
ラブヘッドはエンプラをマトリックスとするFRTPの
中空の成形品で、繊維の長さは0.5インチ以上、また
FRTP中の繊維の割合は、40〜80vol%であ
る。
The present invention will be described in detail below. The club head of the present invention is a hollow molded article of FRTP having engineering plastics as a matrix, the fiber length is 0.5 inch or more, and the fiber ratio in the FRTP is 40 to 80 vol%.

【0009】本発明に用いられる芯部材としては、この
表面に積層されるFRTPのエンプラより高い融点の樹
脂が用いられる。
As the core member used in the present invention, a resin having a melting point higher than that of FRTP engineering plastic laminated on the surface is used.

【0010】また、本発明で用いられる熱可塑性エンプ
ラとしては、ナイロン6、ナイロン66、ナイロン1
1、ポリブチレンテレフタレート、ポリオキシメチレン
(アセタール樹脂)、ポリカーボネート、変性ポリフェ
ニレンオキサイド、ポリフェニレンスルファイド、ポリ
エーテルエーテルケトン、ポリエーテルサルフォン、等
があげられ、特にその熱変形温度(ASTMD648、
18.6kg/cm2 )が140℃以下のものが好適で
ある。これらは単独で用いられてもよく、2種以上のブ
レンドポリマーとして用いられてもよい。
The thermoplastic engineering plastics used in the present invention include nylon 6, nylon 66, nylon 1
1, polybutylene terephthalate, polyoxymethylene (acetal resin), polycarbonate, modified polyphenylene oxide, polyphenylene sulfide, polyether ether ketone, polyether sulfone, etc., and particularly, their heat distortion temperature (ASTM D648,
It is preferable that 18.6 kg / cm 2 ) is 140 ° C. or less. These may be used alone or as a blend polymer of two or more kinds.

【0011】用いられる強化繊維としては、例えばカー
ボン繊維、アラミド繊維、ガラス繊維などがあげられ、
これらの単独使用、或いは2種以上の併用のいずれでも
よい。上記繊維の長さは0.5インチ以上であることが
必要である。長さが0.5インチ未満では、得られるF
RTPの強度が低下する。また強化繊維の形態として
は、多数本の繊維を一方向に並べたロービングが主とし
て用いられるが、これ以外にロービングクロスなども用
いることができる。
Examples of the reinforcing fiber used include carbon fiber, aramid fiber, glass fiber and the like,
These may be used alone or in combination of two or more. The length of the fibers must be 0.5 inches or more. If the length is less than 0.5 inch, the obtained F
The strength of RTP is reduced. As the form of the reinforcing fiber, roving in which a large number of fibers are arranged in one direction is mainly used, but roving cloth or the like can also be used in addition to this.

【0012】上記強化繊維と熱可塑性エンプラとからな
るFRTPのゴルフクラブヘッドの製法は、次のように
して行われる。まず、上記芯部材用樹脂を成形して、ク
ラブヘッド形状の中空の芯部材を成形する。また、プリ
プレグは例えば粉末状の熱可塑性エンプラを強化繊維状
上に散布し、加熱溶融して繊維に含浸させる方法や、熱
可塑性エンプラを繊維化し、これを強化繊維とともにロ
ービング化する方法などによって行われる。
A method of manufacturing a FRTP golf club head comprising the above-mentioned reinforcing fibers and thermoplastic engineering plastics is carried out as follows. First, the core member resin is molded to form a club head-shaped hollow core member. Further, the prepreg is produced, for example, by a method in which powdered thermoplastic engineering plastic is sprinkled on a reinforced fiber and then heated and melted to impregnate the fiber, or a method in which the thermoplastic engineering plastic is fibrillated and roved together with the reinforced fiber. Be seen.

【0013】上記プリプレグ中の強化繊維の量は40〜
80vol%程度が好ましい。またプリプレグの形態と
しては、シート状、テープ状などがある。
The amount of reinforcing fibers in the prepreg is 40 to
About 80 vol% is preferable. The prepreg may be in the form of a sheet or tape.

【0014】上記材料を用いてクラブヘッドを成形する
には次のようにして行われる。先ず、図1に示すように
芯部材用樹脂を成形してクラブヘッド形状中空の芯部材
1を成形する。この芯部材1の肉厚は、後の工程で内圧
が保持される肉厚であればよい。又、形状を保持するた
めに内部に、砂等のあとでとり出すことの材料をつめ真
空にして形状を保持する。
Molding of a club head using the above materials is performed as follows. First, as shown in FIG. 1, a core member resin is molded to mold a club head-shaped hollow core member 1. The thickness of the core member 1 may be any thickness as long as the internal pressure is maintained in a later process. Further, in order to maintain the shape, the material to be taken out after sand etc. is stuffed into a vacuum to hold the shape.

【0015】次いでこの芯部材1にテープ状のプリプレ
グ2を巻付け又は積層する。この際、含浸プリプレグの
場合は加熱軟化状態として巻付ける。この際、プリプレ
グの巻付層数は、所望の厚みとなるように複数層とさ
れ、巻付け方向はプリプレグ2の強化繊維の方向が、ア
トランダムに0〜90゜の範囲で網目状に交差するよう
にする。
Next, a tape-shaped prepreg 2 is wound or laminated on the core member 1. At this time, in the case of the impregnated prepreg, it is wound in a heat-softened state. At this time, the prepreg is wound in a plurality of layers so as to have a desired thickness, and the winding direction is such that the directions of the reinforcing fibers of the prepreg 2 intersect at random in the range of 0 to 90 °. To do so.

【0016】次いで、加熱炉に収容してエンプラの溶融
温度以上、芯部材1が溶融劣化しない温度に加熱してプ
リプレグ2を溶融一化してもよい。冷却後、図2に示す
予備成形体4が得られる。この状態での上記予備成形体
4のプリプレグ内の強化繊維は、いまだ緩んだ緩和状態
となっている。
Next, the prepreg 2 may be melted and unified by being housed in a heating furnace and heated to a temperature above the melting temperature of the engineering plastic so as not to melt and deteriorate the core member 1. After cooling, the preform 4 shown in FIG. 2 is obtained. The reinforcing fibers in the prepreg of the preform 4 in this state are still in a relaxed relaxed state.

【0017】次いで、この予備成形体4を図3に示すよ
うに2分割される成形型5内に装着する。成形型5の内
面5aは上記予備成形体4の外面と1mm程度の間隙が
形成されるように大きく形成されており、その内面の形
状は目的とするヘッドの外面の形状を正確に写したもの
となっている。
Next, the preform 4 is mounted in a mold 5 which is divided into two as shown in FIG. The inner surface 5a of the molding die 5 is formed large so as to form a gap of about 1 mm with the outer surface of the preform 4, and the shape of the inner surface is a copy of the shape of the outer surface of the target head. Has become.

【0018】また、この成形型5には、その内面5aに
開口する複数の排気孔6…が形成されており、これら排
気孔6は排気管7を介して排気装置(図示せず)に接続
されている。さらに、このような成形型5全体が加熱加
圧装置としてのオートクレーブ8内に収められている。
この成形型5の内部に予備成形体4を装着し、その芯部
材1の口部1aを成形型5の口部5bに封止し、芯部材
1で予備成形体4の内面を覆うとともに成形型5と予備
成形体4と間の空隙を封止する。
The mold 5 is also formed with a plurality of exhaust holes 6 ... Opening to the inner surface 5a thereof, and these exhaust holes 6 are connected to an exhaust device (not shown) via an exhaust pipe 7. Has been done. Further, the entire molding die 5 is housed in an autoclave 8 as a heating and pressing device.
The preform 4 is mounted inside the molding die 5, the mouth 1a of the core member 1 is sealed in the mouth 5b of the molding die 5, and the inner surface of the preform 4 is covered with the core 1 and molded. The space between the mold 5 and the preform 4 is sealed.

【0019】この状態で、前記排気装置を作動させて、
成形型5と予備成形体4との間隙の空気を排気するとと
もに、オートクレーブ8内部を芯部材1の熱変形温度よ
り高い温度で加熱加圧する。この際の加圧媒体として
は、空気等の気体でもよいが、ポリエチレングリコール
水オイルなどの液体であってもよい。
In this state, the exhaust device is operated to
The air in the gap between the mold 5 and the preform 4 is exhausted, and the inside of the autoclave 8 is heated and pressed at a temperature higher than the heat deformation temperature of the core member 1. The pressurizing medium at this time may be a gas such as air, but may be a liquid such as polyethylene glycol water oil.

【0020】この加熱によって、予備成形体4の芯部材
およびプリプレグは溶融状態になるとともに、排気なら
びに加圧によってその内方から外方に向けて加圧される
ことになり、寸法が広がり、成形型5の内面5aの形状
にそった形状に賦型される。この時、同時に予備成形体
4内の強化繊維も外方の方向の力を受け、同様に広がろ
うとし、緩和状態からゆるみのない緊張状態となる。
By this heating, the core member and the prepreg of the preformed body 4 are brought into a molten state, and are pressurized from the inside to the outside by exhaust and pressurization, so that the dimensions are expanded and the molding is performed. The shape is imprinted on the inner surface 5a of the mold 5. At this time, at the same time, the reinforcing fibers in the preform 4 are also subjected to a force in the outward direction and likewise try to spread, and the relaxed state is brought into a tight state without looseness.

【0021】この加圧状態を維持したままオートクレー
ブ8内を冷却すれば、強化繊維が緊張状態のままマトリ
ックスのエンプラ中に固定されることになる。次いでオ
ートクレーブ8から成形型5を取出し、離型すれば図4
に示すクラブヘッド10が得られる。このクラブヘッド
10は、全体が熱可塑性となっているので、クラブシャ
フトのホーゼル部10aは、加熱することによって自由
に曲がり、容易にライ角、フェース角などの角度の修正
が可能である。
If the inside of the autoclave 8 is cooled while maintaining this pressurized state, the reinforcing fibers will be fixed in the engineering plastic of the matrix in a tense state. Next, if the molding die 5 is taken out from the autoclave 8 and released, it is shown in FIG.
The club head 10 shown in is obtained. Since the club head 10 is entirely thermoplastic, the hosel portion 10a of the club shaft bends freely by heating and the angles such as the lie angle and the face angle can be easily corrected.

【0022】また、上記製法によってつくられたクラブ
ヘッドは、エンプラ中に強い張力の強化繊維が縦横に固
定されているので、その補強効果が十分に発揮され、外
部応力に対する変形量が小さく、高剛性となる。
Further, in the club head manufactured by the above-mentioned manufacturing method, since the reinforcing fibers having a high tension are fixed vertically and horizontally in the engineering plastic, its reinforcing effect is sufficiently exerted, the deformation amount against external stress is small, and It becomes rigid.

【0023】上記製法における材料プラスチックの熱変
形温度、予備成形体を作成する温度、オートクレーブの
温度は極めて重要で、 芯部材の耐熱温度…A エンプラの熱変形温度…B とすると、A>Bであることが必要で、かつ操作などか
らBは140℃以下であることが好ましい。さらに、 プリプレグを芯部材に巻付ける時の温度…C (予備成形体を形成する時の加熱炉の温度…D) オートクレーブの加熱温度…E とすると、 A>E>C≧B、 (A>D>B) であることが必要である。
In the above manufacturing method, the heat distortion temperature of the material plastic, the temperature for forming the preform, and the temperature of the autoclave are extremely important. If the heat resistance temperature of the core member ... A heat distortion temperature of the engineering plastics ... B, then A> B. It is necessary that B is 140 ° C. or lower from the viewpoint of operation. Further, the temperature when the prepreg is wound around the core member ... C (Temperature of the heating furnace when forming the preform ... D) The heating temperature of the autoclave ... E, A>E> C ≧ B, (A> It is necessary that D> B).

【0024】[0024]

【実施例】以下に具体例を示す。 (実施例1)既製のメタルヘッドと相似でこれよりも小
形のシリコーンゴム製の芯部材に砂をつめ真空パックし
た。この芯部材の肉厚は約0.5mmであった。一方、
カーボン繊維ロービングにポリカーボネートを含浸させ
た繊維量60Vol%、秤量220g/m2 のプリプレ
グテープを用意した。このプリプレグのマトリックスの
熱変形温度は134℃である。このプリプレグを180
℃に保持し、上記芯部材の外面に、種々方向を変え全体
が均一に12層となるように巻き付けて冷却固化した。
EXAMPLES Specific examples are shown below. Example 1 A silicone rubber core member, which is similar to a ready-made metal head and is smaller than this, was packed with sand and vacuum packed. The wall thickness of this core member was about 0.5 mm. on the other hand,
A prepreg tape having a fiber amount of 60 Vol% and a basis weight of 220 g / m 2 was prepared by impregnating carbon fiber roving with polycarbonate. The heat distortion temperature of the matrix of this prepreg is 134 ° C. 180 this prepreg
The temperature was maintained at 0 ° C., and the core member was wound around the outer surface in various directions so as to be uniformly formed into 12 layers, and then cooled and solidified.

【0025】この予備成形体を図3に示すようにメタル
ヘッドの外形と同じ内形を有する成形型に装着するとと
もに、その口部を成形型5の口部に封止した。次いでこ
れをオートクレーブに入れ、成形型と予備成形体との間
を約5mmHgに減圧するとともに、オートクレーブの
内圧を10kg/cm2 に加圧し、温度270℃に1時
間加熱加圧した後冷却した。
As shown in FIG. 3, this preform was mounted on a mold having the same internal shape as the outer shape of the metal head, and the mouth of the mold was sealed in the mouth of the mold 5. Then, this was placed in an autoclave, the pressure between the molding die and the preform was reduced to about 5 mmHg, the internal pressure of the autoclave was increased to 10 kg / cm 2 , and the temperature was heated to 270 ° C. for 1 hour and then cooled.

【0026】このようにして得られたクラブヘッドは、
上記メタルヘッドの重量が200gであるのに対し16
0gで、大幅に軽量化され、振動減衰が小さく、剛性が
高くまた、ホーゼル部10aの角度修正は自由に行うこ
とが出来た。
The club head thus obtained is
While the weight of the metal head is 200 g, 16
At 0 g, the weight was drastically reduced, the vibration damping was small, the rigidity was high, and the angle of the hosel portion 10a could be freely adjusted.

【0027】(比較例1)カーボン繊維として長さ0.
3インチのものを用いた以外は実施例1と同じにして、
クラブヘッドを作製した。このクラブヘッドの圧縮強度
は実施例1のクラブヘッドの70%であった。
Comparative Example 1 Carbon fiber having a length of 0.
Same as Example 1 except that 3 inch one was used,
A club head was produced. The compressive strength of this club head was 70% of that of the club head of Example 1.

【0028】[0028]

【発明の効果】以上説明したように、本発明により、エ
ンプラマトリックス中に強化繊維が緊張した状態で内蔵
されているので、軽量で、強度が高く、後加工、修正が
可能で、振動減衰の小さい、クラブヘッドが製造され、
FRTPの特性が充分に発揮されたゴルフクラブヘッド
となる。
As described above, according to the present invention, since the reinforcing fibers are contained in the engineering plastic matrix in a tensioned state, they are lightweight, have high strength, can be post-processed and modified, and have a vibration damping property. Small, club heads are manufactured,
The golf club head exhibits the FRTP characteristics sufficiently.

【図面の簡単な説明】[Brief description of drawings]

【図1】 本発明の方法において予備成形体をつくるま
での工程を示すクラブヘッドの縦断面図である。
FIG. 1 is a vertical cross-sectional view of a club head showing steps for producing a preformed body in the method of the present invention.

【図2】 予備成形体の縦断面図である。FIG. 2 is a vertical sectional view of a preformed body.

【図3】 成形型に予備成形体を装着した状態を示す図
である。
FIG. 3 is a view showing a state in which a preform is attached to a forming die.

【図4】 クラブヘッドの縦断面図である。FIG. 4 is a vertical sectional view of a club head.

【符号の説明】[Explanation of symbols]

1…芯部材、2…プリプレグ、3…耐熱性非接着テー
プ、4…予備成形体、5…成形型、5a…内面、5b…
口部、6…排気孔、7…排気管、8…オートクレーブ、
9…袋体、9a…口部、10…クラブヘッド、10a…
ホーゼル部
1 ... Core member, 2 ... Prepreg, 3 ... Heat-resistant non-adhesive tape, 4 ... Preform, 5 ... Mold, 5a ... Inner surface, 5b ...
Mouth, 6 ... Exhaust hole, 7 ... Exhaust pipe, 8 ... Autoclave,
9 ... Bag, 9a ... Mouth, 10 ... Club head, 10a ...
Hosel part

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 熱可塑性エンジニアリングプラスチック
をマトリックスとする繊維強化プラスチックからなり中
空状であることを特徴とするゴルフクラブヘッド。
1. A golf club head comprising a fiber reinforced plastic having a thermoplastic engineering plastic as a matrix and having a hollow shape.
【請求項2】 繊維強化プラスチックに用いられる強化
繊維が、0.5インチ以上の長さである請求項1記載の
ゴルフクラブヘッド。
2. The golf club head according to claim 1, wherein the reinforcing fiber used in the fiber-reinforced plastic has a length of 0.5 inch or more.
【請求項3】 プラスチックからなるゴルフクラブヘッ
ド形状の中空の芯部材を作製し、この芯部材に強化繊維
と熱可塑性エンジニアリングプラスチックとからなるプ
リプレグを積層して予備成形体をつくり、 この予備成形体を成形型に入れて芯部材の熱変形温度よ
り高い温度で加熱するとともに予備成形体の内方から外
方に向けて圧力を加えながら加熱成形することを特徴と
するゴルフクラブヘッドの製法。
3. A golf club head-shaped hollow core member made of plastic is prepared, and a prepreg made of reinforcing fibers and thermoplastic engineering plastic is laminated on the core member to prepare a preformed body. Into a mold and heating at a temperature higher than the heat deformation temperature of the core member, and heat molding while applying pressure from the inside to the outside of the preformed body.
【請求項4】 熱可塑性エンジニアリングプラスチック
が140℃以下の熱変形温度を有するものである請求項
3記載のゴルフクラブヘッドの製法。
4. The method for manufacturing a golf club head according to claim 3, wherein the thermoplastic engineering plastic has a heat distortion temperature of 140 ° C. or lower.
JP4188442A 1992-07-15 1992-07-15 Golf club head and method of manufacturing the same Expired - Fee Related JP2570063B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4188442A JP2570063B2 (en) 1992-07-15 1992-07-15 Golf club head and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4188442A JP2570063B2 (en) 1992-07-15 1992-07-15 Golf club head and method of manufacturing the same

Publications (2)

Publication Number Publication Date
JPH0686841A true JPH0686841A (en) 1994-03-29
JP2570063B2 JP2570063B2 (en) 1997-01-08

Family

ID=16223758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4188442A Expired - Fee Related JP2570063B2 (en) 1992-07-15 1992-07-15 Golf club head and method of manufacturing the same

Country Status (1)

Country Link
JP (1) JP2570063B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871186A (en) * 1994-09-02 1996-03-19 Nippon Yakin Kogyo Co Ltd Production of golf club head
JPH0938250A (en) * 1995-08-03 1997-02-10 Maruman Golf Corp Manufacture of fiber-reinforced resin-made golf club head
JP2002336389A (en) * 2001-04-27 2002-11-26 Fu Sheng Industrial Co Ltd Golf club head and its production method
JP2003310808A (en) * 2002-04-16 2003-11-05 Fu Sheng Industrial Co Ltd Golf club head
JP2003310807A (en) * 2002-04-16 2003-11-05 Fu Sheng Industrial Co Ltd Method for manufacturing golf club head
WO2004052471A1 (en) * 2002-12-06 2004-06-24 The Yokohama Rubber Co., Ltd. Golf club head and golf club
US7862453B2 (en) * 2004-04-28 2011-01-04 Sri Sports Limited Golf club head
WO2018131585A1 (en) * 2017-01-13 2018-07-19 ヨネックス株式会社 Method for producing golf club head, and device for producing golf club head

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980266A (en) * 1982-10-30 1984-05-09 藤倉ゴム工業株式会社 Head of golf club and production thereof
JPS5991975A (en) * 1982-11-19 1984-05-26 藤倉ゴム工業株式会社 Molding of golf club head
JPS59149159A (en) * 1983-02-15 1984-08-27 ヤマハ株式会社 Production of wood club head for golf
JPH01190374A (en) * 1988-01-26 1989-07-31 Hitachi Chem Co Ltd Golf club head
JPH0392053A (en) * 1989-09-05 1991-04-17 Shinano Kenshi Kk Acoustic player for telephone connection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980266A (en) * 1982-10-30 1984-05-09 藤倉ゴム工業株式会社 Head of golf club and production thereof
JPS5991975A (en) * 1982-11-19 1984-05-26 藤倉ゴム工業株式会社 Molding of golf club head
JPS59149159A (en) * 1983-02-15 1984-08-27 ヤマハ株式会社 Production of wood club head for golf
JPH01190374A (en) * 1988-01-26 1989-07-31 Hitachi Chem Co Ltd Golf club head
JPH0392053A (en) * 1989-09-05 1991-04-17 Shinano Kenshi Kk Acoustic player for telephone connection

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871186A (en) * 1994-09-02 1996-03-19 Nippon Yakin Kogyo Co Ltd Production of golf club head
JPH0938250A (en) * 1995-08-03 1997-02-10 Maruman Golf Corp Manufacture of fiber-reinforced resin-made golf club head
JP2002336389A (en) * 2001-04-27 2002-11-26 Fu Sheng Industrial Co Ltd Golf club head and its production method
JP2003310808A (en) * 2002-04-16 2003-11-05 Fu Sheng Industrial Co Ltd Golf club head
JP2003310807A (en) * 2002-04-16 2003-11-05 Fu Sheng Industrial Co Ltd Method for manufacturing golf club head
WO2004052471A1 (en) * 2002-12-06 2004-06-24 The Yokohama Rubber Co., Ltd. Golf club head and golf club
CN1332725C (en) * 2002-12-06 2007-08-22 横滨橡胶株式会社 Golf club head and golf club
US7862453B2 (en) * 2004-04-28 2011-01-04 Sri Sports Limited Golf club head
WO2018131585A1 (en) * 2017-01-13 2018-07-19 ヨネックス株式会社 Method for producing golf club head, and device for producing golf club head

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