JP3092893B2 - Wood Golf Club Head - Google Patents
Wood Golf Club HeadInfo
- Publication number
- JP3092893B2 JP3092893B2 JP06101592A JP10159294A JP3092893B2 JP 3092893 B2 JP3092893 B2 JP 3092893B2 JP 06101592 A JP06101592 A JP 06101592A JP 10159294 A JP10159294 A JP 10159294A JP 3092893 B2 JP3092893 B2 JP 3092893B2
- Authority
- JP
- Japan
- Prior art keywords
- golf club
- club head
- thickness
- wood
- sole
- 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.)
- Expired - Fee Related
Links
Landscapes
- Golf Clubs (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、全体が金属材料から
成るウッド系ゴルフクラブヘッド（いわゆるメタルヘッ
ド）、あるいはインパクト部にカーボン繊維を入れた合
成樹脂材料等の非金属材料を用いその他の部分を金属材
料で成形したウッド系のコンポジットゴルフクラブヘッ
ドに関する。BACKGROUND OF THE INVENTION The present invention relates to a wood-based golf club head (so-called metal head) made entirely of a metal material, or other parts using a non-metal material such as a synthetic resin material containing carbon fibers in an impact portion. The present invention relates to a wood-based composite golf club head formed from a metal material.
【０００２】[0002]
【従来の技術】従来の一般的なメタルヘッドは、ロスト
ワックス法により製造される。ロストワックス法は、ア
ルミニウムの型の中に６０℃程度に溶かしたロウを流し
込んで、冷めた頃合いを見計らって取出し、これを雄型
とし、この雄型に細粒なセラミックパウダーから順に何
層ものコロモをつけていき、コロコロに着ぶくれた雌型
を作り、その後に中のロウを流し出してセラミックのシ
ェルだけとし、このシェルに金属を流し込む方法であ
る。正式名称はインベストメントキャスティングと呼ば
れ、鋳造法の１つである。金属としてステンレスを使用
する場合、その溶解温度は１６５０℃、チタニウムの場
合は１７５０℃である。2. Description of the Related Art A conventional general metal head is manufactured by a lost wax method. In the lost wax method, a wax melted at about 60 ° C. is poured into an aluminum mold and taken out at an appropriate time when it cools down. This is used as a male mold. This is a method in which a female mold is attached to the body, the female mold is placed on the body, and then the wax inside is poured out to make only a ceramic shell, and metal is poured into this shell. The formal name is called investment casting and is one of the casting methods. When stainless steel is used as the metal, its melting temperature is 1650 ° C., and when it is titanium, it is 1750 ° C.
【０００３】[0003]
【発明が解決しようとする課題】ステンレスを１６５０
℃以上で溶解し、この溶解ステンレスをセラミックのシ
ェルに流し込む場合、湯まわりの問題があるため最も薄
い部分でも１．２mm未満の厚さにすることはできなかっ
た。メタルヘッドの場合、クラウン部やソール部の肉厚
は薄く、インパクト部は強度的にも厚くし、周辺部は周
辺重量配分（Perimeter Weight）を施してスウィートエ
リアを拡大するために適正な個所の肉厚を厚くする必要
があった。クラウン部やソール部が所定以上の厚みであ
ると、インパクト部や周辺部の肉厚を厚くするにも、ヘ
ッド全体を大きくするにも限界があり、かつヘッド全体
の重量との関係からも適正な重量配分はヘッドが大きく
なればなるほど困難であった。SUMMARY OF THE INVENTION 1650 stainless steel
When the molten stainless steel is melted at a temperature of not less than 0 ° C. and the molten stainless steel is poured into a ceramic shell, the thickness of the thinnest portion cannot be reduced to less than 1.2 mm due to the problem of hot water circulation. In the case of a metal head, the thickness of the crown and sole is thin, the impact is thicker, and the periphery is perimeter weighted (perimeter weight) to increase the sweet area. It was necessary to increase the wall thickness. If the crown or sole is thicker than the specified thickness, there is a limit to increasing the thickness of the impact part and the peripheral part, and also to increasing the size of the entire head, and it is appropriate in relation to the weight of the entire head Weight distribution became more difficult as the head became larger.
【０００４】そこで、この発明は、肉厚が薄くても強度
面で全く問題にならないクラウン部又は／及びソール部
をできる限り薄くし、これらの部分で取り除かれた重量
を周辺部等に適正に配分してスウィートエリアを拡大
し、重心深度を深くしたり、慣性モーメントを高める等
の高機能を付加し得るウッド系ゴルフクラブヘッドを提
供することを目的とする。Accordingly, the present invention is to reduce the thickness of the crown portion and / or the sole portion, which does not pose any problem in terms of strength even if the thickness is small, and to appropriately remove the weight removed from these portions to the peripheral portion and the like. It is an object of the present invention to provide a wood-based golf club head capable of adding a high function such as distributing a sweet area, increasing the depth of the center of gravity, and increasing the moment of inertia.
【０００５】[0005]
【課題を解決するための手段】上述の目的を達成するた
め、この発明は、比較的広い面積のクラウン部とソール
部とを有し、全体若しくはインパクト部を除く部分が金
属材料から成るウッド系ゴルフクラブヘッドにおいて、
クラウン部とソール部の両方又は一方の少なくとも全面
積の半分以上を占める中央部分の肉厚を１．２mm未満に
形成するとともに、その周辺部分の肉厚は中央部分の肉
厚よりも厚く形成し、これらクラウン部とソール部とを
金属材料で真空鋳造法または減圧吸引鋳造法により形成
したものである。SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention relates to a wood-based material having a relatively large area of a crown portion and a sole portion, and the entirety or a portion excluding the impact portion is made of a metal material. In golf club head,
The thickness of the central portion occupying at least half of the entire area of at least one of the crown portion and / or the sole portion is formed to be less than 1.2 mm, and the thickness of the peripheral portion is the thickness of the central portion.
It is formed thicker than the thickness, and these crown part and sole part
It is formed of a metallic material by a vacuum casting method or a vacuum suction casting method .
【０００６】[0006]
【作用】クラウン部とソール部の両方又は一方の少なく
とも全面積の半分以上を占める中央部分の肉厚を１．２
mm未満とすることで、取り除かれた重量をヘッドの大型
化に充当したり、周辺部等への適正な重量配分を施すこ
とで、スウィートエリアの拡大、慣性モーメントの増大
を図り、重心深度を深くしたりすることが可能となる。The thickness of the central portion occupying at least half of the total area of at least one of the crown portion and the sole portion is reduced to 1.2.
By reducing the weight to less than mm, the removed weight can be used to increase the size of the head, and by appropriately distributing the weight to the surrounding area, the sweet area can be expanded, the moment of inertia can be increased, and the depth of the center of gravity can be increased. It becomes possible to deepen.
【０００７】[0007]
【実施例】以下に、この発明の好適な実施例を図面を参
照にして説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.
【０００８】図１はヘッドの断面図を示し、ソールの
（前後）幅がヘッド高さよりも大きいウッド系のゴルフ
クラブヘッドであり、比較的広い面積のクラウン部１と
ソール部２とを有し、全体がステンレスやチタニウム等
の金属材料から成り、クラウン部１とソール部２の両方
とも夫々の全面積の半分以上を占める中央部分Ａ，Ｂの
個所の肉厚を１．２mm未満に形成した。図１において符
号３はインパクト部であり、このインパクト部３は強度
を必要とするので肉厚は厚く形成してある。FIG. 1 is a sectional view of a head, which is a wood type golf club head in which the sole (front and rear) width is larger than the head height, and has a crown portion 1 and a sole portion 2 having a relatively large area. The entire portion is made of a metal material such as stainless steel or titanium, and both the crown portion 1 and the sole portion 2 are formed to have a thickness of less than 1.2 mm at central portions A and B occupying more than half of their respective total areas. . In FIG. 1, reference numeral 3 denotes an impact portion, and since the impact portion 3 requires strength, the impact portion 3 is formed thick.
【０００９】図２はウッド系ゴルフクラブヘッドを上面
から見た斜視図であり、図３はソール部２側から見た斜
視図である。符号４はシャフト（図示せず）が接続され
るホーゼルであり、符号５はクラウン部１，ソール部
２，インパクト部３，ホーゼル４を除く周辺部を示す。
図２において符号Ａはクラウン部１において肉厚が１．
２mm未満の部分を示し、図３において符号Ｂはソール部
２において肉厚が１．２mm未満の部分を示す。Ａ部分は
クラウン部１の全面積の半分以上を占める中央部分であ
り、Ｂ部分はソール部２の全面積の半分以上を占める中
央部分である。クラウン部１全体の肉厚を１．２mm未満
としてもよいし、ソール部２の全体の肉厚を１．２mm未
満に形成してもよいが、インパクト部３との隣接個所の
肉厚は或る程度あった方が強度的に好ましい。また、ク
ラウン部１及びソール部２と周辺部５との隣接部分も肉
厚が１．２mm以上あった方が強度的に好ましい。FIG. 2 is a perspective view of the wood type golf club head as viewed from above, and FIG. 3 is a perspective view as viewed from the sole portion 2 side. Reference numeral 4 denotes a hosel to which a shaft (not shown) is connected, and reference numeral 5 denotes a peripheral portion excluding the crown portion 1, the sole portion 2, the impact portion 3, and the hosel 4.
In FIG. 2, the symbol A indicates that the crown portion 1 has a thickness of 1.
In FIG. 3, reference symbol B indicates a portion of the sole portion 2 having a thickness of less than 1.2 mm. A portion is a central portion occupying more than half of the entire area of the crown portion 1, and B portion is a central portion occupying more than half of the entire area of the sole portion 2. The entire thickness of the crown portion 1 may be less than 1.2 mm, and the entire thickness of the sole portion 2 may be less than 1.2 mm. However, the thickness of a portion adjacent to the impact portion 3 is It is preferable to have a certain degree of strength. Also, it is preferable in terms of strength that the thickness of the adjacent portion between the crown portion 1 and the sole portion 2 and the peripheral portion 5 is 1.2 mm or more.
【００１０】Ａ部分及びＢ部分を製造するには、従来の
ロストワックス法では困難であるため、真空鋳造法（Ｃ
ＬＶ法）又は減圧吸引鋳造法（ＣＬＡ法）によって製造
することができる。ここでＣＬＶ法とは、Counter Grav
ity Low-Pressure Vacuum Casting の略であり、最初に
真空容器に鋳型をセットし、次いでアルゴンガスを溶解
室に注入し、上部鋳型室を真空に減圧して吸引鋳造す
る。製品が凝固した後にアルゴンガスの注入，真空吸引
を停止し、湯道の溶湯は炉に戻す。その後製品を取り出
す。このＣＬＶ法によれば、真空中で金属材料を溶解
し、不活性ガス中で鋳造するため大気により金属が汚染
されず、また吸引方式のため鋳型への湯まわり性が良
く、薄肉で複雑な製品の製造が可能となる。さらに、溶
解炉より直接吸湯するので、低温鋳造が可能で、結晶の
微細化が図れる。さらにまた、連続的に鋳造が可能なた
め高い生産性を得られる。ＣＬＡ法とは、Counter Grav
ity Low-Pressure Air Melt の略であり、最初に減圧容
器に鋳型をセットし、溶解金属中に押入，減圧吸引する
ことによって細部まで溶湯が良くまわり、その後製品が
凝固後に減圧を止め、湯道の溶湯は重力により自然に炉
に戻る。その後製品を取り出し、湯道部は空洞で製品部
のみが残る。このＣＬＡ法によれば、減圧吸引によるた
め湯まわりが良く、より複雑な形状の製品の製造が可能
であるともに、肉厚も０．３mmまで製造することができ
る。また、低い温度で鋳造できるため結晶粒が微細化し
て機械的性質を向上させることができる。さらに、減圧
容器内で吸い上げ鋳造するために一般的な鋳造法に比較
して金属汚染が少なく、品質の向上も図れる。Since it is difficult to manufacture the parts A and B by the conventional lost wax method, the vacuum casting method (C
LV method) or a vacuum suction casting method (CLA method). Here, the CLV method refers to Counter Grav
This is an abbreviation of ity Low-Pressure Vacuum Casting, in which a mold is first set in a vacuum vessel, then argon gas is injected into the melting chamber, and the upper mold chamber is evacuated to vacuum to perform suction casting. After the product has solidified, the injection of the argon gas and the vacuum suction are stopped, and the molten metal in the runner is returned to the furnace. Then take out the product. According to the CLV method, a metal material is melted in a vacuum and cast in an inert gas so that the metal is not contaminated by the air. Products can be manufactured. Furthermore, since the hot water is directly absorbed from the melting furnace, low-temperature casting is possible, and the crystal can be refined. Furthermore, since continuous casting is possible, high productivity can be obtained. What is the CLA method?
ity Low-Pressure Air Melt is an abbreviation of Air Melt. First, a mold is set in a decompression container, the molten metal is turned around in detail by pushing it into the molten metal and suctioning it under reduced pressure. Melt returns naturally to the furnace by gravity. After that, the product is taken out and the runner is hollow, leaving only the product. According to the CLA method, since the hot water flow is good due to the reduced pressure suction, it is possible to manufacture a product having a more complicated shape, and it is possible to manufacture the product to a thickness of 0.3 mm. In addition, since the casting can be performed at a low temperature, crystal grains can be refined and mechanical properties can be improved. Furthermore, since metal is sucked and cast in a decompression container, metal contamination is reduced and quality can be improved as compared with a general casting method.
【００１１】ウッド系ゴルフクラブヘッドを１９０cc前
後の体積とした場合、Ａ部分とＢ部分の肉厚を０．６mm
とした場合、このＡ部分とＢ部分とが１．２mmの場合に
比べて１５ｇの減量が可能である（マルエージング鋼を
用いた場合）。このようにして１５ｇ分の重量をクラウ
ン部１とソール部２とから取り除いた場合、この取り除
かれた１５ｇ分の重量をヘッド後方に配分すれば、重心
深度を深くすることができ、ボールが上がり易くなる。
また、この取り除いた重量をトウやヒールに配分すれば
慣性モーメントが大きくなり、左右にボールがぶれるの
を防止することができる。さらに、取り除いた重量をフ
ェース側に配分することにより、重心深度を浅くし、ス
ピンが掛りにくくするとともに、打感を向上させ、風に
強いボールを打つことができる。When the wood type golf club head has a volume of about 190 cc, the thickness of the portion A and the portion B is 0.6 mm.
In this case, the weight can be reduced by 15 g as compared with the case where the portion A and the portion B are 1.2 mm (when maraging steel is used). When the weight of 15 g is removed from the crown portion 1 and the sole portion 2 in this manner, by distributing the removed weight of 15 g to the rear of the head, the depth of the center of gravity can be deepened, and the ball rises. It will be easier.
If the removed weight is distributed to the toe and the heel, the moment of inertia increases, and the ball can be prevented from moving left and right. Further, by distributing the removed weight to the face side, the depth of the center of gravity can be reduced, the spin can be hardly applied, the hit feeling can be improved, and a wind-resistant ball can be hit.
【００１２】ヘッド全体をマルエージング鋼で製造する
場合、このときソール部２を除くその他の部分をＣＬＶ
法またはＣＬＡ法により一体的に鋳造し、ソール部２は
別個に鋳造してこのソール部２をソール部２以外の部分
と溶接することができる。このときクラウン部１とソー
ル部２の厚さを０．６mmとし、全体として２３０ccの体
積を有するヘッドを製造した。ステンレスのロストワッ
クス法によりメタルヘッドを製造する場合、インパクト
部３の厚さは３mm以上必要であるが、マルエージング鋼
を鋳造すれば２．０〜２．８mm程度の厚さで同程度の強
度をもたせることができる。そのため、クラウン部１や
ソール部２の肉厚を０．６mmとすることと相俟って、両
方で余った重量を高機能化のために適正に配分すること
ができる。マルエージング鋼は、極低炭素の高Ｎｉ鋼
（１８〜２５％Ｎｉ），Ｔｉ，Ａｌ，Ｃｏ，Ｍｏ，Ｎｂ
等の時効硬化元素を含み、空冷してマルテンサイト組織
とした後４００〜５００℃で時効処理を施し、Ｃを含ま
ずに２００Kg／mm2 に及ぶ高い強さを得ているものであ
る。マルエージング（maraging）とは、マルテンサイト
の時効処理を意味する。マルエージング鋼は、時効前の
加工性が良い上に溶接性がＣ−マルテンサイト系の超強
靱鋼やステンレス鋼に比べて優れている。When the entire head is made of maraging steel, at this time, other parts except the sole part 2 are made of CLV.
It is possible to cast the sole part 2 separately and to weld the sole part 2 to a part other than the sole part 2 by casting separately by the method or the CLA method. At this time, the thickness of the crown portion 1 and the sole portion 2 was 0.6 mm, and a head having a total volume of 230 cc was manufactured. When manufacturing a metal head by the lost wax method of stainless steel, the thickness of the impact part 3 is required to be 3 mm or more, but if a maraging steel is cast, the thickness is about 2.0 to 2.8 mm and the same strength is obtained. Can be provided. For this reason, in combination with the thickness of the crown portion 1 and the sole portion 2 being 0.6 mm, the excess weight can be appropriately distributed for high functionality in both cases. Maraging steel is a very low carbon high Ni steel (18-25% Ni), Ti, Al, Co, Mo, Nb.
And after aging treatment at 400 to 500 ° C. to obtain a martensitic structure, thereby obtaining a high strength of up to 200 kg / mm 2 without containing C. Maraging refers to aging treatment of martensite. The maraging steel has good workability before aging and has excellent weldability as compared with C-martensitic super-tough steel and stainless steel.
【００１３】[0013]
【発明の効果】以上説明したように、この発明によれ
ば、クラウン部とソール部の両方又は一方の少なくとも
全面積の半分以上を占める中央部分の肉厚を１．２mm未
満に形成したので、この部分で取り除いた重量を他の部
分に配分することにより、慣性モーメントを大きくした
り、重心深度を深くしたりさらにはスウィートエリアを
拡大したりするなどの高機能化を図ることができる。ク
ラウン部のみの肉厚を薄くしソール部はある程度の厚み
をもたせれば低重心化も図れる。さらに、肉厚を薄くす
ることにより取り除かれた重量をヘッド全体の大型化に
ふり向けることが可能である。As described above, according to the present invention, the thickness of the central portion occupying at least half of the entire area of at least one of the crown portion and / or the sole portion is formed to be less than 1.2 mm. By allocating the weight removed in this portion to other portions, it is possible to achieve high functions such as increasing the moment of inertia, increasing the depth of the center of gravity, and expanding the sweet area. If the thickness of only the crown portion is reduced and the sole portion has a certain thickness, the center of gravity can be lowered. Further, the weight removed by reducing the wall thickness can be directed to increasing the size of the entire head.
【図１】ウッド系ゴルフクラブヘッドの断面図。FIG. 1 is a sectional view of a wood golf club head.
【図２】クラウン部側から見た斜視図。FIG. 2 is a perspective view seen from a crown portion side.
【図３】ソール部側から見た斜視図。FIG. 3 is a perspective view seen from a sole portion side.
１ クラウン部 ２ ソール部 ３ インパクト部 ５ 周辺部 1 Crown part 2 Sole part 3 Impact part 5 Peripheral part
フロントページの続き (72)発明者 宮島 徹也 東京都中央区日本橋３丁目６番６号 ブ リヂストンスポーツ株式会社内 (72)発明者 渡辺 滋 東京都中央区日本橋３丁目６番６号 ブ リヂストンスポーツ株式会社内 (56)参考文献 特開 平５−317466（ＪＰ，Ａ) 特開 平４−256764（ＪＰ，Ａ) 特開 平６−79022（ＪＰ，Ａ) 特開 平４−94859（ＪＰ，Ａ) 特開 平４−22562（ＪＰ，Ａ) 実公 平５−208（ＪＰ，Ｙ２) 実公 平３−219（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.7，ＤＢ名) A63B 53/04 Continuation of the front page (72) Inventor Tetsuya Miyajima 3-6-6 Nihonbashi, Chuo-ku, Tokyo Inside Bridgestone Sports Co., Ltd. (72) Inventor Shigeru Watanabe 3-6-6 Nihonbashi, Chuo-ku, Tokyo Bridgestone Sports Co., Ltd. (56) References JP-A-5-317466 (JP, A) JP-A-4-25664 (JP, A) JP-A-6-79022 (JP, A) JP-A-4-94859 (JP) JP-A-4-22562 (JP, A) JP-A 5-208 (JP, Y2) JP-A-3-219 (JP, Y2) (58) Fields studied (Int. Cl. 7 , DB Name) A63B 53/04
Claims (3)
とを有し、全体若しくはインパクト部を除く部分が金属
材料から成るウッド系ゴルフクラブヘッドにおいて、 クラウン部とソール部の両方又は一方の少なくとも全面
積の半分以上を占める中央部分の肉厚を１．２mm未満に
形成するとともに、その周辺部分の肉厚は中央部分の肉
厚よりも厚く形成し、 これらクラウン部とソール部とを金属材料で真空鋳造法
または減圧吸引鋳造法により形成 したことを特徴とする
ウッド系ゴルフクラブヘッド。1. A crown portion and a sole portion having a relatively large area.
And the whole or part except the impact part is metal
In a wood-based golf club head made of a material, at least the entire surface of at least one of the crown portion and the sole portion
Reduce the thickness of the central part, which accounts for more than half of the product, to less than 1.2 mm
FormationAnd the thickness of the peripheral part is the thickness of the central part.
Formed thicker than thick, Vacuum casting of these crowns and soles with metallic materials
Or formed by vacuum suction casting Characterized by
Wood golf club head.
がステンレスで形成されていることを特徴とする請求項
１に記載のウッド系ゴルフクラブヘッド。2. A metal material for a wood-based golf club head.
The wood-based golf club head according to claim 1, wherein is formed of stainless steel .
がマルエージング鋼で形成されていることを特徴とするIs formed of maraging steel
請求項１に記載のウッド系ゴルフクラブヘッド。The wood golf club head according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06101592A JP3092893B2 (en) | 1994-04-15 | 1994-04-15 | Wood Golf Club Head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06101592A JP3092893B2 (en) | 1994-04-15 | 1994-04-15 | Wood Golf Club Head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07284546A JPH07284546A (en) | 1995-10-31 |
| JP3092893B2 true JP3092893B2 (en) | 2000-09-25 |
Family
ID=14304661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06101592A Expired - Fee Related JP3092893B2 (en) | 1994-04-15 | 1994-04-15 | Wood Golf Club Head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3092893B2 (en) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI227152B (en) * | 2004-02-23 | 2005-02-01 | Chau Wei Technology Co Ltd | Manufacturing method and device to reduce the thickness of golf club head |
| US8109842B2 (en) | 2005-08-23 | 2012-02-07 | Bridgestone Sports Co., Ltd. | Hollow golf club head |
| JP4769517B2 (en) | 2005-08-23 | 2011-09-07 | ブリヂストンスポーツ株式会社 | Hollow golf club head |
| JP2007054198A (en) * | 2005-08-23 | 2007-03-08 | Bridgestone Sports Co Ltd | Golf club head |
| JP4758178B2 (en) * | 2005-08-23 | 2011-08-24 | ブリヂストンスポーツ株式会社 | Golf club head |
| JP2007083011A (en) | 2005-08-23 | 2007-04-05 | Bridgestone Sports Co Ltd | Hollow golf club head |
| JP4758177B2 (en) | 2005-08-23 | 2011-08-24 | ブリヂストンスポーツ株式会社 | Golf club head |
| JP4741319B2 (en) | 2005-08-23 | 2011-08-03 | ブリヂストンスポーツ株式会社 | Hollow golf club head |
| US7513836B2 (en) | 2005-08-23 | 2009-04-07 | Bridgestone Sports Co., Ltd. | Hollow golf club head |
| JP2007054201A (en) * | 2005-08-23 | 2007-03-08 | Sri Sports Ltd | Golf club head |
| JP4673701B2 (en) | 2005-08-23 | 2011-04-20 | ブリヂストンスポーツ株式会社 | Hollow golf club head |
| US7658687B2 (en) * | 2006-09-28 | 2010-02-09 | Sri Sports Limited | Wood-type golf club head |
| JP5161518B2 (en) * | 2006-09-28 | 2013-03-13 | ダンロップスポーツ株式会社 | Golf club head |
| US8133135B2 (en) * | 2007-06-21 | 2012-03-13 | Nike, Inc. | High moment of inertia wood-type golf clubs and golf club heads |
| US8398506B2 (en) | 2007-06-21 | 2013-03-19 | Nike, Inc. | Golf clubs and golf club heads |
| US7850545B2 (en) | 2008-08-22 | 2010-12-14 | Bridgestone Sports Co., Ltd | Golf club head |
| JP5447914B2 (en) * | 2008-10-27 | 2014-03-19 | 美津濃株式会社 | Wood type golf club head and wood type golf club |
| US9149693B2 (en) | 2009-01-20 | 2015-10-06 | Nike, Inc. | Golf club and golf club head structures |
| US9795845B2 (en) | 2009-01-20 | 2017-10-24 | Karsten Manufacturing Corporation | Golf club and golf club head structures |
| US9192831B2 (en) | 2009-01-20 | 2015-11-24 | Nike, Inc. | Golf club and golf club head structures |
| US8366565B2 (en) | 2009-05-13 | 2013-02-05 | Nike, Inc. | Golf club assembly and golf club with aerodynamic features |
| US8287400B2 (en) * | 2009-11-19 | 2012-10-16 | Nike, Inc. | Fairway wood-type golf clubs with high moment of inertia |
| JP5638847B2 (en) * | 2010-06-21 | 2014-12-10 | ブリヂストンスポーツ株式会社 | Golf club head |
| JP2013544178A (en) | 2010-11-30 | 2013-12-12 | ナイキ インターナショナル リミテッド | Golf club head or other ball striking device having a face plate with distributed impact repulsion and stiffening |
| US9687705B2 (en) | 2010-11-30 | 2017-06-27 | Nike, Inc. | Golf club head or other ball striking device having impact-influencing body features |
| US9101808B2 (en) | 2011-01-27 | 2015-08-11 | Nike, Inc. | Golf club head or other ball striking device having impact-influencing body features |
| US9433844B2 (en) | 2011-04-28 | 2016-09-06 | Nike, Inc. | Golf clubs and golf club heads |
| US9433845B2 (en) | 2011-04-28 | 2016-09-06 | Nike, Inc. | Golf clubs and golf club heads |
| US9186546B2 (en) | 2011-04-28 | 2015-11-17 | Nike, Inc. | Golf clubs and golf club heads |
| US9409073B2 (en) | 2011-04-28 | 2016-08-09 | Nike, Inc. | Golf clubs and golf club heads |
| US9409076B2 (en) | 2011-04-28 | 2016-08-09 | Nike, Inc. | Golf clubs and golf club heads |
| US9375624B2 (en) | 2011-04-28 | 2016-06-28 | Nike, Inc. | Golf clubs and golf club heads |
| EP2747852B1 (en) | 2011-08-23 | 2017-12-13 | NIKE Innovate C.V. | Golf club head with a void and a cover |
| US9889346B2 (en) | 2014-06-20 | 2018-02-13 | Karsten Manufacturing Corporation | Golf club head or other ball striking device having impact-influencing body features |
| JP7027710B2 (en) * | 2017-07-11 | 2022-03-02 | 住友ゴム工業株式会社 | Golf club head |
-
1994
- 1994-04-15 JP JP06101592A patent/JP3092893B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07284546A (en) | 1995-10-31 |
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