JP3074442B2 - Iron golf club head - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an iron golf club head, and more particularly to a marking formed on a face surface of a club head body in a club head body entirely made of carbon fiber reinforced plastic or metal material. The present invention relates to an iron golf club in which the surrounding material is formed of a material different from the material of the club head body.

[0002]

2. Description of the Related Art Conventionally, as a material constituting an iron golf club head, a metal material such as stainless steel or a composite material of a carbon fiber reinforced plastic (CFRP) and a metal frame such as stainless steel or brass is mainly used. Occupy. Those mainly made of carbon fiber reinforced plastic (CFRP) are generally called carbon irons, and are characterized by soft feel at impact and low spin. On the other hand, iron heads made of stainless steel are made of stainless steel. It is called, and features a sharp feel at impact and high spin.

[0003]

However, carbon irons and stainless steel irons each have unique characteristics, and iron golf club heads having both characteristics have not been proposed yet, and therefore, In general, after knowing the characteristics of each club, it was common to select and use a club that suits their skill level.

[0004] The present invention has been devised in view of the conventional problems, and includes a club head body made of a metal material and a club head body made mainly of carbon fiber reinforced plastic. It is an object of the present invention to provide an iron golf head having the following features.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a material for a face of a club head body, and a method for forming a marking with a concave cross section on the face.
And materials Kingu member is a iron golf club head formed by integrally formed differently from each other, wherein
The gist is that the material width of the club head body exposed between the marking members is formed to be at least 1 mm or more.

The present invention is also an iron golf club head in which the face surface of a club head body is made of a metal material and carbon fiber reinforced plastic, wherein the club head body is formed of carbon fiber reinforced plastic. the face surface of the body, the luma Kingu member such a metal material for forming the marking <br/> grayed of concave cross section embedded integrally at predetermined intervals, the club head body exposed between the marking member The gist is that the material width is formed to be 1 mm or more.

Further, the present invention is an iron golf club head in which the face surface of the club head body is made of a metal material and carbon fiber reinforced plastic, wherein the club head body is formed of a metal material, the face surface, the luma Kingu member such carbon fiber reinforced plastic to form the markings concave cross section embedded integrally at predetermined intervals, the material width of the club head body exposed between the marking member or 1mm The gist of the invention is that it is formed as follows.

[0008]

According to the present invention, a carbon fiber reinforced plastic is mainly provided on each face surface of a club head body made of a carbon fiber reinforced plastic or a club head body made of a metal material. In the case of the club head body, a marking member made of a metal material and having a concave cross section is integrally buried at a predetermined interval to form markings such as score lines and dimples. In the case of the head main body, markings such as score lines and dimples are formed by integrally burying a marking member made of carbon fiber reinforced plastic and having a concave cross section at a predetermined interval.

As a result, the feel at impact (for example, a soft feel) can obtain the material characteristics of the club head body, and the amount of spin of the ball can obtain the material characteristics of the marking member . Also, the width of the different kinds of materials of the marking member exposed on the face surface is at least 1 mm.
By setting as described above, the effect can be remarkably exhibited.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a front view of an iron golf club head showing a first embodiment of the present invention, and FIG.
FIG. 1A is a cross-sectional view taken along the arrow A. In the first embodiment, the club head body 1 is formed of carbon fiber reinforced plastic as a main material, and the face surface 2 of the club head body 1 has a concave section made of a metal material. The marking members 3 are integrally embedded at predetermined intervals to form markings such as score lines and dimples. Reference numeral 4 denotes a stainless steel frame.

When the width H of the club head body 1 exposed between the marking members 3 is set to 1 mm or more, as is apparent from Table 1 described later, the conventional single-material iron golf club head has a width H. The club head main body 1 having the characteristic points can be obtained. That is,
As shown in Table 1, the golf club head of the first embodiment
Is a club head made mainly of carbon fiber reinforced plastic.
With a carbon body
You can get a soft feel at impact like a ruf club head
I can do it. Moreover, the golf club head of the first embodiment is
A mark having a concave cross section is formed on the face surface 2 of the club head body 1.
Material 3 made of metal material for forming marking
Because it is a conventional stainless steel iron golf club
The backspin amount can be increased like the head.
You. FIGS. 3 and 4 show a second embodiment of the present invention. FIG. 3 shows an example in which the entire club head body 1a is formed of a metal material, and the face surface 2a of the club head body 1a is made of carbon fiber reinforced plastic. A marking member 3a having a concave cross section is integrally embedded at a predetermined interval to form a marking such as a score line or a dimple.

When the width H of the club head body 1a exposed between the marking members 3a is set to 1 mm or more, as is apparent from Table 2 described later, the characteristics of the conventional single-material iron golf club head. The club head main body 1 having the following points can be obtained. Immediately
That is, as shown in Table 2, the golf club head according to the second embodiment was used.
The club head 1a made of a metal material
So that it can fit into a conventional metal iron golf club.
A sharp feel at impact can be obtained like a ball. I
The golf club head of the second embodiment is a club head.
Form concave marking on the face 2 of the main body 1
Material 3 made of carbon fiber reinforced plastic
The conventional resin iron golf club
As with the head, it is possible to reduce the amount of backspin.
come.

Further, by setting the width of the different kinds of materials of the marking member exposed on the face surface to at least 1 mm or more, the effect can be remarkably exhibited.

[0014]

[Table 1]

[0015]

[Table 2]

[0016]

According to the present invention, as described above, the material of the face surface of the club head body and the concave surface
The material of the marking material that forms the marking
An iron golf club head formed integrally and differently , wherein the material width of the club head body exposed between the marking members is formed so as to be at least 1 mm or more. The club head main body mainly composed of fiber reinforced plastic and the club head main body made of a metal material have the effect of maintaining the feel at impact and effectively exhibiting the characteristics of each club performance.

Further, the present invention is an iron golf club head in which the face surface of the club head body is made of a metal material and carbon fiber reinforced plastic, wherein the entire club head body is formed of carbon fiber reinforced plastic,
The face of the club head body, the luma Kingu member such a metal material for forming the mer <br/> King concave cross section embedded integrally at predetermined intervals, is exposed between the marking member Club The material width of the head body is formed to be 1mm or more, so it maintains the soft feel of the so-called carbon iron golf club head, and effectively prevents variations in flight distance, score lines on the face surface and damage to dimple edges. In addition, there is an effect that a so-called club head which can be easily controlled because it has a stable ball muscle and stops well because of a large amount of spin.

Further, the present invention is an iron golf club head in which the face surface of the club head body is made of a metal material and carbon fiber reinforced plastic, wherein the entire club head body is formed of a metal material, 1mm to the face surface, the luma Kingu member such carbon fiber reinforced plastic to form the markings concave cross section embedded integrally at predetermined intervals, the material width of the club head body exposed between the marking member Since it is formed as described above, there is an effect that a club head which can maintain a sharp shot feeling peculiar to a stainless steel iron golf club head and reduce a spin amount and extend a flight distance of a ball can be obtained. .

[Brief description of the drawings]

FIG. 1 is a front view of an iron golf club head showing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a front view of an iron golf club head according to a second embodiment of the present invention.

FIG. 4 is a sectional view taken along the line BB in FIG. 3;

[Explanation of symbols]

Reference Signs List 1 Club head body made of carbon fiber reinforced plastic 1a Club head body made of metal material 2 Face surface 2a Face surface 3 Marking member 3a Marking member H Width of club head body exposed between marking members

Claims (3)

(57) [Claims] 1. A material for a face surface of a club head body and a mask for forming a concave marking on the face surface.
And materials Kingu member is a iron golf club head formed by integrally formed differently from each other, wherein
An iron golf club head formed so that the material width of the club head body exposed between the marking members is at least 1 mm or more. 2. The club head body according to claim 1, wherein the face surface of the club head body is an iron golf club head made of a metal material and carbon fiber reinforced plastic, wherein the club head body is formed of carbon fiber reinforced plastic. the surface, the luma Kingu member such a metal material for forming the markings concave cross section embedded integrally at predetermined intervals, so that the width of material of the club head body is exposed between said marking member is equal to or greater than 1mm An iron golf club head formed in 3. An iron golf club head having a face surface of a club head body made of a metal material and a carbon fiber reinforced plastic, wherein the club head body is formed of a metal material, and the face surface of the club head body is formed on the face surface of the club head body. the luma Kingu member such carbon fiber reinforced plastic to form the markings concave cross section embedded integrally at predetermined intervals, so that the width of material of the club head body is exposed between said marking member is equal to or greater than 1mm An iron golf club head formed in