JPH08308962A - Wood club head for golf - Google Patents

Wood club head for golf

Info

Publication number
JPH08308962A
JPH08308962A JP7142351A JP14235195A JPH08308962A JP H08308962 A JPH08308962 A JP H08308962A JP 7142351 A JP7142351 A JP 7142351A JP 14235195 A JP14235195 A JP 14235195A JP H08308962 A JPH08308962 A JP H08308962A
Authority
JP
Japan
Prior art keywords
head
specific gravity
gravity
half member
front half
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
Application number
JP7142351A
Other languages
Japanese (ja)
Inventor
Kunio Hiyama
邦夫 樋山
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 JP7142351A priority Critical patent/JPH08308962A/en
Publication of JPH08308962A publication Critical patent/JPH08308962A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To facilitate the adjustment of the depth of the center of gravity in a head without changing the external form and wall thickness of the head and enlarge a sweet spot through an increase in the moment of inertia while improving the directional stability and the carry of a ball by lowering the center of gravity. CONSTITUTION: A head body 1 has an FRP outer shell structure formed by joining together the front half head member 2 including a face surface 1A and the rear half head member 3. The specific gravity (ρ1) of reinforcing fibers of the front half head member 2 is made smaller than the specific gravity (ρ2) of the reinforcing fibers forming the rear half head member 3, (ρ1<ρ2).

Description

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

【0001】[0001]

【産業上の利用分野】この発明は、繊維強化プラスチッ
クス(以下、FRPと略記する)の外殻構造からなるゴ
ルフ用ウッドクラブヘッドに関し、特に、ヘッド本体を
ヘッド前半部材とヘッド後半部材とからなる分割構造に
し、かつ、それらの補強繊維の種類及び比重を変えるこ
とにより、ヘッド外形及び肉厚を変えることなくヘッド
重心深度の深さ調整を容易に行なえ、かつ、慣性モーメ
ントの増大化によるスウィートスポットの拡大化と共
に、打球時のボールの方向安定性及び低重心化による飛
距離の向上を図るようにしたものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wood club head for golf having an outer shell structure of fiber reinforced plastics (hereinafter abbreviated as FRP), and more particularly, a head main body composed of a front half member and a rear half member. It is possible to easily adjust the depth of the center of gravity of the head without changing the outer shape and the thickness of the head by changing the type of the reinforcing fiber and the type and specific gravity of the reinforcing fibers, and to increase the moment of inertia. It is intended to improve the flight distance by increasing the size of the spot and stabilizing the direction of the ball when hitting and lowering the center of gravity.

【0002】[0002]

【従来の技術】従来、この種のウッドクラブヘッドにお
いては、ヘッド本体の外殻を形成するFRPの補強繊維
として、例えばカーボン繊維などを用い、特に、ヘッド
フェース面おけるFRPの補強繊維にナイロン繊維を用
いて耐摩耗性の向上を図るようにしてなる構成を有する
ものがある。
2. Description of the Related Art Conventionally, in this type of wood club head, for example, carbon fiber has been used as the reinforcing fiber of the FRP forming the outer shell of the head body, and in particular, nylon fiber is used as the reinforcing fiber of the FRP on the head face surface. There is a structure having a structure in which the wear resistance is improved by using.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、上記し
た従来構造のウッドクラブヘッドにあっては、補強繊維
の種類あるいは比重の選択が、各ヘッド部位における強
度、耐摩耗性及び反発特性の向上を図るために使い分け
られているのが現状であり、しかも、ヘッド全体の繊維
強化樹脂比重が均一であるために、ヘッド重心深度や重
心高さ、あるいは、慣性モーメントに対する補強繊維の
使い分けによる工夫がなかった。
However, in the above-described conventional wood club head, the kind or specific gravity of the reinforcing fibers is selected so as to improve the strength, wear resistance and rebound characteristics of each head portion. However, since the specific gravity of the fiber-reinforced resin in the entire head is uniform, there was no ingenuity in using the reinforcing fiber for the depth of the center of gravity of the head, the height of the center of gravity, or the moment of inertia. .

【0004】ところで、ヘッド全体の繊維強化樹脂比重
が均一なヘッド本体のヘッド重心深度を深くするために
は、ヘッド前半部を薄肉化して軽量化したり、あるい
は、ヘッド後半部の質量を増加させる必要があるが、ヘ
ッド前半部を薄肉化して軽量化を図ることは、最も強度
が要求されるフェース面の部位の強度が低下するために
好ましいことではない。
By the way, in order to deepen the depth of the center of gravity of the head body in which the specific gravity of the fiber-reinforced resin of the entire head is uniform, it is necessary to thin the front half of the head to reduce the weight or to increase the mass of the rear half of the head. However, it is not preferable to reduce the thickness of the front half of the head to reduce the weight, because the strength of the face surface portion, which requires the most strength, is reduced.

【0005】また、ヘッド後半部の質量を増加させるた
めには、ヘッド後半部の肉厚を厚くすること、ヘッド後
半部にウエイト部材を設けることなどによって達成する
ことが可能であるが、ヘッド後半部の肉厚を厚くするこ
と、例えばヘッド外形をそのままにして内側の肉厚を厚
くすることは、最適外形状に設計されたヘッドに過剰な
強度と重量の増大化を得るだけであり、付加した肉厚に
応じた分の質量による慣性モーメント(慣性モーメント
の大きなヘッドは、スイートスポットが拡大化し、オフ
スポットでの打球時におけるボールの方向安定性が良
い)の増大化には効果がない。
In order to increase the mass of the latter half of the head, it is possible to increase the thickness of the latter half of the head and to provide a weight member in the latter half of the head. Increasing the wall thickness of the portion, for example, increasing the inner wall thickness while leaving the head outer shape as it is, only obtains excessive strength and weight increase in the head designed to have the optimum outer shape. There is no effect on increasing the moment of inertia due to the mass corresponding to the wall thickness (a head with a large moment of inertia expands the sweet spot and has good directional stability of the ball when hitting at an off spot).

【0006】さらに、ヘッド外側の肉厚を厚くすること
は、慣性モーメントの増大化を望めるが、ヘッド前半部
とヘッド後半部との境界部位に段差が生じ、特に、ソー
ル面側に段差が形成されると、破損する恐れがあり、意
匠的にも好ましくない。
Further, increasing the thickness of the outer side of the head can increase the moment of inertia, but a step is generated at the boundary between the front half of the head and the rear half of the head, and in particular, a step is formed on the sole surface side. If it is done, it may be damaged, which is not preferable in terms of design.

【0007】一方、ヘッド後半部にウエイト部材を設け
ることは、ヘッド重心深度を深くするためには効果的で
あり、しかも、ウエイト部材をヘッド後半部のソール面
側に設けることは、ヘッド重心高さを低く(ヘッド重心
高さを低くして低重心化を図ると、打球時、ボールに対
するバックスピン量が小さくなり、飛距離が向上する)
するために効果的であるが、打球時の衝撃でウエイト部
材が剥離する恐れがあるばかりでなく、慣性モーメント
の増大化には効果がない。
On the other hand, providing the weight member on the rear half of the head is effective for deepening the depth of the center of gravity of the head, and providing the weight member on the sole surface side of the rear half of the head increases the center of gravity of the head. Low height (If the height of the center of gravity of the head is lowered to achieve a low center of gravity, the amount of backspin to the ball at the time of hitting becomes small, and the flight distance improves.)
However, it is not effective in increasing the moment of inertia as well as the possibility that the weight member may be peeled off by the impact at the time of hitting the ball.

【0008】[0008]

【発明の目的】この発明の目的は、ヘッド外形及び肉厚
を変えることなくヘッド重心深度の深さ調整が容易に行
なえ、慣性モーメントの増大化によるスウィートスポッ
トの拡大化と共にボールの方向安定性及び低重心化によ
る飛距離の向上を図ることができるようにしたゴルフ用
ウッドクラブヘッドを提供することにある。
An object of the present invention is to easily adjust the depth of the center of gravity of the head without changing the outer shape and the thickness of the head, and to increase the sweet spot by increasing the moment of inertia and to stabilize the direction of the ball. It is an object of the present invention to provide a wood club head for golf which can improve the flight distance by lowering the center of gravity.

【0009】[0009]

【課題を解決するための手段】上記した課題を解決する
ために、この発明は、フェース面を含むヘッド前半部材
とヘッド後半部材とを接合して形成されるFRP外殻構
造からなるゴルフ用ウッドクラブヘッドであって、前記
ヘッド前半部材は、少なくともクラウン面とソール面の
一部を含み、かつその補強繊維の比重を前記ヘッド後半
部材を形成する補強繊維の比重よりも小さくしてなる構
成としたものである。
SUMMARY OF THE INVENTION In order to solve the above problems, the present invention is a golf wood having an FRP outer shell structure formed by joining a head front half member and a head rear half member including a face surface. In the club head, the head front half member includes at least a part of a crown surface and a sole surface, and the specific gravity of the reinforcing fiber is smaller than the specific gravity of the reinforcing fiber forming the head rear member. It was done.

【0010】また、この発明は、上記の構成において、
前記ヘッド後半部材は、クラウン面を含むヘッド上側部
材とソール面を含むヘッド下側部材とを接合して形成す
るとともに、このヘッド下側部材の補強繊維の比重を前
記ヘッド上側部材を形成する補強繊維の比重よりも大き
くしてなることを特徴とするものである。
Further, according to the present invention, in the above structure,
The head rear member is formed by joining a head upper member including a crown surface and a head lower member including a sole surface, and reinforcing the specific gravity of reinforcing fibers of the head lower member to form the head upper member. It is characterized by being made larger than the specific gravity of the fiber.

【0011】この場合、FRPのマトリックス樹脂は、
熱可塑性樹脂または熱硬化性樹脂のいずれでも使用可能
であり、マトリックス樹脂の比重を変えることによっ
て、この発明と同等な作用効果を得るもので、異種のマ
トリックス樹脂を組み合わせると、その接合部位の強度
が低下し、また、マトリックス樹脂の硬化時間の相違に
よって製造が困難であるために、FRPの補強繊維の比
重を変えるようにしたものである。
In this case, the matrix resin of FRP is
Either a thermoplastic resin or a thermosetting resin can be used. By changing the specific gravity of the matrix resin, the same function and effect as this invention can be obtained. Is decreased, and it is difficult to manufacture due to the difference in curing time of the matrix resin, so that the specific gravity of the reinforcing fiber of FRP is changed.

【0012】[0012]

【作用】すなわち、この発明は、上記の構成を採用する
ことにより、フェース面を含むヘッド前半部材とヘッド
後半部材とを接合して形成されるFRP外殻構造を有す
るとともに、ヘッド前半部材の補強繊維の比重をヘッド
後半部材を形成する補強繊維の比重よりも小さくしてな
るために、ヘッド外形及び肉厚を変えることなくヘッド
後半部材の質量をヘッド前半部材よりも増加させること
が可能になり、ヘッド重心深度の深さ調整が容易になる
とともに、その増加した質量が慣性モーメントの増大化
に効率的に寄与し、スウィートスポットの拡大化による
打球時のボールの方向安定性の向上が図れる。
That is, the present invention has the FRP outer shell structure formed by joining the front half member of the head including the face surface and the rear half member of the head by adopting the above-mentioned structure, and the front half member of the head is reinforced. Since the specific gravity of the fibers is smaller than the specific gravity of the reinforcing fibers forming the latter half member of the head, it is possible to increase the mass of the latter half member of the head without changing the outer shape and thickness of the head. The depth of the center of gravity of the head can be easily adjusted, and the increased mass efficiently contributes to the increase of the moment of inertia, and the directional stability of the ball at the time of hitting can be improved by enlarging the sweet spot.

【0013】また、ヘッド後半部材は、ヘッド上側部材
とヘッド下側部材とを接合して形成するとともに、この
ヘッド下側部材の補強繊維の比重をヘッド上側部材を形
成する補強繊維の比重よりも大きくしてなるために、ヘ
ッド重心高さが低くなり、この低重心化によって、打球
時のボールに対するバックスピン量が小さくなり、これ
によって、飛距離が向上が図れる。
The head rear member is formed by joining the head upper member and the head lower member, and the specific gravity of the reinforcing fiber of the lower head member is higher than that of the reinforcing fiber forming the upper head member. Since the height is increased, the height of the center of gravity of the head is lowered, and by lowering the center of gravity of the head, the amount of backspin to the ball at the time of hitting the ball is reduced, and thus the flight distance can be improved.

【0014】[0014]

【実施例】以下、この発明を図面を参照しながら詳細に
説明すると、図1に示すように、図中1はFRP外殻の
中空構造からなるヘッド本体である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the drawings. As shown in FIG. 1, reference numeral 1 in the drawing is a head main body having a hollow structure of an FRP outer shell.

【0015】このヘッド本体1は、図2に示すように、
フェース面1Aを含むヘッド前半部材2とヘッド後半部
材3とに分割して接合され、かつ、前記ヘッド前半部材
2は、少なくともクラウン面1Bとソール面1Cの一部
を含むように形成されている一方、前記ヘッド後半部材
3は、他の残りのクラウン面1Bを含むヘッド上側部材
4と、他の残りのソール面1Cを含むヘッド下側部材5
とに分割して接合されている。
The head body 1 is, as shown in FIG.
The head front half member 2 including the face surface 1A and the head rear half member 3 are divided and joined, and the head front half member 2 is formed so as to include at least a part of the crown surface 1B and the sole surface 1C. On the other hand, the head rear member 3 includes a head upper member 4 including the remaining remaining crown surface 1B and a head lower member 5 including the remaining remaining sole surface 1C.
It is divided into and joined.

【0016】そして、前記ヘッド本体1のヘッド前半部
材2を形成するFRP外殻の補強繊維の比重(ρ1)
は、前記ヘッド後半部材3を形成するFRP外殻の補強
繊維の比重(ρ2)よりも小さく(ρ1<ρ2)してな
る一方、前記ヘッド後半部材3のヘッド下側部材5の補
強繊維の比重(ρ4)を前記ヘッド上側部材4を形成す
る補強繊維の比重(ρ3)よりも大きく(ρ3<ρ4)
してなる構成を有する。
The specific gravity (ρ1) of the reinforcing fiber of the FRP outer shell forming the head front half member 2 of the head body 1
Is smaller (ρ1 <ρ2) than the specific gravity (ρ2) of the reinforcing fiber of the FRP outer shell that forms the head latter half member 3, while the specific gravity of the reinforcing fiber of the head lower member 5 of the head latter half member 3 is (Ρ4) is larger than the specific gravity (ρ3) of the reinforcing fiber forming the head upper member 4 (ρ3 <ρ4)
It has a configuration of

【0017】ところで、この発明に用いられるヘッド本
体1のFRP外殻を形成するマトリックス樹脂として
は、例えばポリエーテルイミド(PEI)、ポリエーテ
ルエーテルケトン(PEEK)、ポリフェニレンサルフ
ァド(PPS)、ポリカーボネート(PC)、ポリエチ
レンテレフタレート(PET)、ポリブチレンテレフタ
レート(PBT)、ポリオキシメチレン(POM)、ポ
フェニレンエーテル(PPE)あるいはポリアミド(P
A)等が単独または混合して好適に使用される。
By the way, as the matrix resin forming the FRP shell of the head body 1 used in the present invention, for example, polyetherimide (PEI), polyetheretherketone (PEEK), polyphenylene sulfide (PPS), polycarbonate ( PC), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyoxymethylene (POM), pophenylene ether (PPE) or polyamide (P
A) and the like are preferably used alone or as a mixture.

【0018】また、この発明に用いられるヘッド本体1
のFRP外殻を形成する補強繊維の種類としては、ヘッ
ド前半部材2として低比重からなる例えばカーボン繊維
(比重:1.75g/cm3 )、アラミド繊維(比重:
1.44g/cm3 )あるいはポリアリレート繊維(比
重:1.41g/cm3 )等が好適に使用され、さら
に、ヘッド後半部材3として高比重からなる例えばガラ
ス繊維(比重:2.49g/cm3 )、ボロン繊維(比
重:2.57g/cm3 )あるいはステンレス繊維(比
重:7,80g/cm3 )等が単独または混合して好適
に使用される。
Further, the head body 1 used in the present invention
Examples of the type of the reinforcing fiber forming the FRP outer shell of the head front half member 2 include low specific gravity such as carbon fiber (specific gravity: 1.75 g / cm 3 ) and aramid fiber (specific gravity:
1.44 g / cm 3 ) or polyarylate fiber (specific gravity: 1.41 g / cm 3 ) is preferably used, and the head rear half member 3 has a high specific gravity such as glass fiber (specific gravity: 2.49 g / cm 3). 3 ), boron fibers (specific gravity: 2.57 g / cm 3 ) or stainless fibers (specific gravity: 7,80 g / cm 3 ) are preferably used alone or in combination.

【0019】下表は、この発明に係るゴルフ用ウッドク
ラブヘッドのヘッド重心Gの深さD(単位:mm)、ヘ
ッド重心高さH(単位:mm)及び慣性モーメントM
(単位:g.cm2 )の具体的実施例を比較例と対比し
てなるものであり、この場合におけるヘッド外形、ヘッ
ド体積(230cc)、総質量(200g)、マトリッ
クス樹脂(ポリカーボネート)、ヘッド前半部材2の補
強繊維(カーボン繊維)及びフェース面1Aの肉厚
(6.7mm)を共通とし、ヘッド前半部材(補強繊
維:カーボン繊維)2とヘッド後半部材(補強繊維:ガ
ラス繊維)3とを2分割したものを実施例1とし、ヘッ
ド後半部3をヘッド上側部材(補強繊維:ガラス繊維)
4とヘッド下側部材(補強繊維:ボロン繊維)とに2分
割してヘッド前半部材(補強繊維:カーボン繊維)2と
共に3分割したものを実施例2とするとともに、ヘッド
前半部材2及びヘッド後半部3の補強繊維がカーボン繊
維としたものを比較例とする(なお、t1はヘッド前半
部材2のフェース面1Aの肉厚、t2はヘッド後半部3
のヘッド上側部材4の肉厚及びt3はヘッド後半部3の
ヘッド下側部材5の肉厚である)。
The following table shows the depth D (unit: mm) of the center of gravity G of the head, the height H (unit: mm) of the center of gravity of the head and the moment of inertia M of the wood club head for golf according to the present invention.
(Unit: g.cm 2 ) A concrete example is compared with a comparative example. In this case, the head outer shape, head volume (230 cc), total mass (200 g), matrix resin (polycarbonate), head The head half member (reinforcing fiber: carbon fiber) 2 and the head rear half member (reinforcing fiber: glass fiber) 3 have the same reinforcing fiber (carbon fiber) of the first half member 2 and the wall thickness (6.7 mm) of the face surface 1A. Example 2 is obtained by dividing the head into two parts, and the head rear half 3 is a head upper member (reinforcing fiber: glass fiber).
4 and the head lower side member (reinforcing fiber: boron fiber) and divided into three parts together with the head front half member (reinforcing fiber: carbon fiber) 2 as Example 2 and the head front half member 2 and the head rear half member A carbon fiber is used as the reinforcing fiber of the portion 3 as a comparative example (note that t1 is the thickness of the face surface 1A of the head front half member 2 and t2 is the head rear half 3).
The thickness t3 of the head upper side member 4 and the thickness t3 of the head lower side member 5 of the head rear half portion 3 of FIG.

【0020】[0020]

【表1】 [Table 1]

【0021】なお、上記の実施例において、ヘッド本体
1をヘッド前半部材2とヘッド後半部材3とに2分割
し、更に、ヘッド後半部材3をヘッド上側部材4とヘッ
ド下側部材5とに2分割してヘッド全体が3分割のもの
を例にして説明したが、ヘッド前半部材2とヘッド後半
部材3との2分割構成でも良い。
In the above embodiment, the head body 1 is divided into a head front half member 2 and a head back half member 3, and the head back half member 3 is further divided into a head upper member 4 and a head lower member 5. Although the head has been divided into three and the whole head has been divided into three, the head front half member 2 and the head rear half member 3 may be divided into two parts.

【0022】また、ヘッド本体1の慣性モーメントMを
増大させる場合には、ヘッド重心Gと同一水平面内にお
いて、ヘッド重心Gから遠い両側の部位に質量を集中さ
せれば良いために、ヘッド外側表面近くに補強繊維を配
列することにより質量を集中させれば、この発明の作用
効果を一層助長させることが可能である。
Further, when increasing the moment of inertia M of the head main body 1, it is sufficient to concentrate the mass on both sides far from the center of gravity G of the head in the same horizontal plane as the center of gravity G of the head, and therefore the outer surface of the head If the mass is concentrated by arranging the reinforcing fibers in the vicinity, it is possible to further promote the operation and effect of the present invention.

【0023】[0023]

【発明の効果】以上の説明から明らかなように、この発
明は、フェース面を含むヘッド前半部材とヘッド後半部
材とを接合して形成されるFRP外殻構造を有するとと
もに、ヘッド前半部材の補強繊維の比重をヘッド後半部
材を形成する補強繊維の比重よりも小さくしてなること
から、ヘッド外形及び肉厚を変えることなくヘッド後半
部材の質量をヘッド前半部材よりも増加させることがで
き、これによって、ヘッド重心深度の深さ調整を容易に
行なえるとともに、その増加した質量が慣性モーメント
の増大化に効率的に寄与させることができるために、ス
ウィートスポットの拡大化による打球時のボールの方向
安定性の向上を図ることができる。
As is apparent from the above description, the present invention has an FRP outer shell structure formed by joining a head front half member including a face surface and a head rear half member and reinforcing the head front half member. Since the specific gravity of the fibers is smaller than the specific gravity of the reinforcing fibers forming the latter half member of the head, the mass of the latter half member of the head can be increased more than that of the former half member of the head without changing the outer shape and thickness of the head. This makes it possible to easily adjust the depth of the center of gravity of the head, and the increased mass can contribute to an increase in the moment of inertia efficiently. The stability can be improved.

【0024】また、請求項2において、ヘッド後半部材
は、ヘッド上側部材とヘッド下側部材とを接合して形成
するとともに、このヘッド下側部材の補強繊維の比重を
ヘッド上側部材を形成する補強繊維の比重よりも大きく
してなるために、ヘッド重心高さを低くすることがで
き、この低重心化によって、打球時のボールに対するバ
ックスピン量が小さくなり、これによって、飛距離の向
上を図ることができる。
In the second aspect of the present invention, the head rear member is formed by joining the head upper member and the head lower member together, and the specific gravity of the reinforcing fiber of the head lower member is reinforced to form the head upper member. Since it is made larger than the specific gravity of the fiber, the height of the center of gravity of the head can be lowered, and this lower center of gravity reduces the amount of backspin to the ball at the time of hitting, thereby improving the flight distance. be able to.

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

【図1】 この発明に係るゴルフ用ウッドクラブヘッド
の一実施例を示す断面図。
FIG. 1 is a sectional view showing an embodiment of a wood club head for golf according to the present invention.

【図2】 同じく分解斜視図。FIG. 2 is an exploded perspective view of the same.

【符号の説明】[Explanation of symbols]

1・・・ヘッド本体、 1A・・・フェース面、 1B・・・クラウン面、 1C・・・ソール面、 2・・・ヘッド前半部材、 3・・・ヘッド後半部材、 4・・・ヘッド上側部材、 5・・・ヘッド下側部材、 t1・・・ヘッド前半部材のフェース面の肉厚、 t2・・・ヘッド後半部材のヘッド上側部材の肉厚、 t3・・・ヘッド後半部材のヘッド下側部材の肉厚、 G・・・重心、 D・・・ヘッド重心深度、 H・・・ヘッド重心高さ。 DESCRIPTION OF SYMBOLS 1 ... Head main body, 1A ... Face surface, 1B ... Crown surface, 1C ... Sole surface, 2 ... Head front half member, 3 ... Head rear half member, 4 ... Head upper side Member, 5 ... head lower member, t1 ... head front half member face surface thickness, t2 ... head latter half member upper head member thickness, t3 ... head latter half member bottom head Thickness of side members, G ... Center of gravity, D ... Depth of center of gravity of head, H ... Height of center of gravity of head.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 フェース面を含むヘッド前半部材とヘッ
ド後半部材とを接合して形成されるFRP外殻構造から
なるゴルフ用ウッドクラブヘッドであって、 前記ヘッド前半部材は、少なくともクラウン面とソール
面の一部を含み、かつその補強繊維の比重を前記ヘッド
後半部材を形成する補強繊維の比重よりも小さくしたこ
とを特徴とするゴルフ用ウッドクラブヘッド。
1. A wood club head for golf having an FRP outer shell structure formed by joining a head front half member including a face surface and a head rear half member, wherein the head front half member is at least a crown surface and a sole. A wood club head for golf, including a part of the surface, and having a specific gravity of reinforcing fibers smaller than that of reinforcing fibers forming the latter half member of the head.
【請求項2】 フェース面を含むヘッド前半部材とヘッ
ド後半部材とを接合して形成されるFRP外殻構造から
なるゴルフ用ウッドクラブヘッドであって、 前記ヘッド前半部材は、少なくともクラウン面とソール
面の一部を含み、かつその補強繊維の比重を前記ヘッド
後半部材を形成する補強繊維の比重よりも小さくする一
方、 前記ヘッド後半部材は、クラウン面を含むヘッド上側部
材とソール面を含むヘッド下側部材とを接合して形成す
るとともに、 このヘッド下側部材の補強繊維の比重を前記ヘッド上側
部材を形成する補強繊維の比重よりも大きくしたことを
特徴とするゴルフ用ウッドクラブヘッド。
2. A wood club head for golf having a FRP outer shell structure formed by joining a head front half member including a face surface and a head rear half member, wherein the head front half member is at least a crown surface and a sole. While including a part of the surface and making the specific gravity of the reinforcing fiber smaller than the specific gravity of the reinforcing fiber forming the head rear member, the head rear member includes a head upper member including a crown surface and a head including a sole surface. A wood club head for golf, characterized in that it is formed by joining with a lower member, and the specific gravity of the reinforcing fiber of the head lower member is made larger than the specific gravity of the reinforcing fiber forming the head upper member.
JP7142351A 1995-05-18 1995-05-18 Wood club head for golf Pending JPH08308962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7142351A JPH08308962A (en) 1995-05-18 1995-05-18 Wood club head for golf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7142351A JPH08308962A (en) 1995-05-18 1995-05-18 Wood club head for golf

Publications (1)

Publication Number Publication Date
JPH08308962A true JPH08308962A (en) 1996-11-26

Family

ID=15313357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7142351A Pending JPH08308962A (en) 1995-05-18 1995-05-18 Wood club head for golf

Country Status (1)

Country Link
JP (1) JPH08308962A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003522563A (en) * 1999-10-26 2003-07-29 イルゲン モルゲンシュテルン Golf bag
JP2003290397A (en) * 2002-03-29 2003-10-14 Maruman Kk Wood head for golf club
US7857713B2 (en) * 2006-10-19 2010-12-28 Sri Sports Limited Wood-type golf club head
US7887436B2 (en) * 2007-06-29 2011-02-15 Sri Sports Limited Wood-type golf club head
US20120261395A1 (en) * 2005-04-13 2012-10-18 Dean Jennings Annealing apparatus using two wavelengths of continuous wave laser radiation
US20130040755A1 (en) * 2008-12-18 2013-02-14 Nike, Inc. Golf Clubs and Golf Club Heads Having Interchangeable Rear Body Members
US10737149B2 (en) 2008-12-18 2020-08-11 Karsten Manufacturing Corporation Golf clubs and golf club heads having interchangeable rear body members

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4806506B2 (en) * 1999-10-26 2011-11-02 イルゲン モルゲンシュテルン Golf bag
JP2003522563A (en) * 1999-10-26 2003-07-29 イルゲン モルゲンシュテルン Golf bag
JP2003290397A (en) * 2002-03-29 2003-10-14 Maruman Kk Wood head for golf club
US8890024B2 (en) * 2005-04-13 2014-11-18 Applied Materials, Inc. Annealing apparatus using two wavelengths of continuous wave laser radiation
US20120261395A1 (en) * 2005-04-13 2012-10-18 Dean Jennings Annealing apparatus using two wavelengths of continuous wave laser radiation
US7857713B2 (en) * 2006-10-19 2010-12-28 Sri Sports Limited Wood-type golf club head
US7887436B2 (en) * 2007-06-29 2011-02-15 Sri Sports Limited Wood-type golf club head
US20130040755A1 (en) * 2008-12-18 2013-02-14 Nike, Inc. Golf Clubs and Golf Club Heads Having Interchangeable Rear Body Members
US20150182821A1 (en) * 2008-12-18 2015-07-02 Nike, Inc. Golf Clubs and Golf Club Heads Having Interchangeable Rear Body Members
US9072949B2 (en) * 2008-12-18 2015-07-07 Nike, Inc. Golf clubs and golf club heads having interchangeable rear body members
US10322321B2 (en) * 2008-12-18 2019-06-18 Karsten Manufacturing Corporation Golf clubs and golf club heads having interchangeable rear body members
US10737149B2 (en) 2008-12-18 2020-08-11 Karsten Manufacturing Corporation Golf clubs and golf club heads having interchangeable rear body members
US11167184B2 (en) 2008-12-18 2021-11-09 Karsten Manufacturing Corporation Golf clubs and golf club heads having interchangeable rear body members
US20220062720A1 (en) * 2008-12-18 2022-03-03 Karsten Manufacturing Corporation Golf Clubs and Golf Club Heads Having Interchangeable Rear Body Members
US11865415B2 (en) 2008-12-18 2024-01-09 Karsten Manufacturing Corporation Golf clubs and golf club heads having interchangeable rear body members

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