JPH1015123A - Metal wood club and iron club - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a metal wood club and an iron club aimed at the achievement of a long carry and straight directivity for a ball by using the face plate of such a material as harder than a metal wood body. SOLUTION: A face plate 1 and a metal wood body 2 except the face plate 1 are separately molded. In this case, the face plate 1 harder than the metal wood body 2 is selected, and the harder face plate 1 so selected is jointed to the face opening 3 of the metal wood body 2 as integral part thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a metal wood club and an iron club.

[0002]

2. Description of the Related Art
The golf club head is formed using the same metal material. In this case, it is also known to divide the whole into several divided pieces and weld them.

According to the present invention, when such split welding is employed, only the face plate is made of a material having a higher hardness than the other metal wood body and the iron head body to ensure the flight distance and straightness. It is a technical object to provide a metal wood club and an iron club focused on.

[0004]

The gist of the present invention will be described with reference to the accompanying drawings.

[0005] The face plate 1 and the metal wood main body 2 excluding the face plate 1 are separately formed, and a face plate 1 having a hardness higher than the hardness of the metal wood main body 2 is selected. The present invention relates to a metal wood club which is integrally joined to a face opening 3 of a metal wood body 2.

The metal wood club according to claim 1, wherein the face plate 1 is formed of a β titanium plate and the metal wood body 2 excluding the face plate 1 is formed of an α β titanium plate. .

The metal wood club according to claim 1, wherein the face plate 1 is made of a chromium molybdenum steel plate and the metal wood body 2 is made of a stainless steel plate or an iron plate.

The face plate 1 is connected to the metal wood body 2.
The metal wood club according to any one of claims 1 to 3, characterized in that the loft angle (a) and the face angle (b) are appropriately adjusted to be joined together to the face opening 3 of (1).

Further, the thickness 1a of the face plate 1 is appropriately adjusted, and the face plate 1 is integrally joined to the face opening 3 of the metal wood body 2 in any one of claims 1 to 4. It relates to the metal wood club according to item 1.

A metal wood club according to claim 1, wherein a special metal powder is spray-welded on the face plate 1 to form a coating and the hardness of the face plate 1 is increased.

A face plate 21 and a face plate 21
Is formed separately from the iron head body 22, and a face plate 21 having a hardness higher than the hardness of the iron head body 22 is selected, and the hard face plate 21 is integrally joined to the face fitting portion 23 of the iron head body 22. The present invention relates to an iron club which is characterized by being hampered.

The face plate 21 is formed of β titanium, and the iron head body 22 except the face plate 21 is formed of α titanium.
The iron club according to claim 7, wherein the iron club is formed of β titanium.

The iron club according to claim 7, wherein the face plate 21 is formed of chromium molybdenum steel and the iron head body 22 is formed of stainless steel or iron.

Further, the face plate 21 is integrally joined to the face fitting portion 23 of the iron head body 22 by appropriately adjusting the loft angle a and the face angle b. It relates to the iron club described in the section.

The thickness 21a of the face plate 21 is appropriately adjusted, and the face plate 21 is attached to the iron head body 22.
The iron club according to any one of claims 7 to 10, wherein the iron club is integrally joined to the face fitting portion (23).

The iron club according to claim 7, wherein a special metal powder is spray-welded on the face plate 21 to form a coating to increase the hardness of the face plate 21.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be briefly described with reference to the accompanying drawings, which show an example of the operation and effects.

In any of the first to sixth aspects, a face plate harder than the hardness of the metal wood body is used, and in any of the seventh to twelfth aspects, the face plate is harder than the hardness of the iron head body. Use

In the case of the same material, a hardening treatment is applied to the face plate to increase the hardness.

If the hardness of the face plate is higher than the hardness of the metal wood body, a repulsive force is generated when the golf ball is hit, and the flight distance is increased.

In addition, since the golf ball does not rotate, the golf ball can fly straight.

In the second and eighth aspects, β titanium has higher hardness than αβ titanium.

Similarly, the chromium molybdenum steel has a higher hardness than stainless steel or iron.

In the fourth and tenth aspects, when the face plate is integrally joined to the face opening of the metal wood body and the face fitting portion of the iron head body, the desired loft angle and face angle are appropriately adjusted and joined. Thus, it is possible to easily create a club that suits the individual's tastes and habits, and to hit the golf ball straight when hitting with this club.

In the fifth and eleventh aspects, the flight distance is increased by appropriately adjusting the thickness of the face plate (the depth of the center of gravity can be increased by decreasing the thickness of the face plate, and the resilience can be increased by increasing the thickness of the face plate). .).

In the sixth and twelfth aspects, a special metal powder is spray-welded on the face plate to form a coating to increase the hardness of the face plate.

As described above, if the hardness of the face plate is higher than the hardness of the metal wood body and the iron head body, a repulsive force is generated when a golf ball is hit, resulting in a longer flight distance.

In addition, since the golf ball does not rotate, the golf ball can fly straight.

[0029]

1 and 2 show a first embodiment of the present invention, and FIG. 3 shows a first embodiment of the present invention.

In the first embodiment, the face plate 1 and the metal wood main body 2 excluding the face plate 1 are formed separately.
The face plate 1 having a hardness higher than the hardness of the metal wood body 2 is selected, and the hard face plate 1 is integrally joined to the face opening 3 of the metal wood body 2.

The face plate 1 is formed of a β titanium plate, and the metal wood body 2 excluding the face plate 1 is formed of an αβ titanium plate.

In titanium, α-type has a hexagonal close-packed lattice structure, β-type has a body-centered cubic lattice structure, and β-type is harder than α-type. On the other hand, the αβ type has the respective characteristic structures, so the β type is harder than the αβ type.

When the β-type is subjected to a curing treatment, the structure becomes denser and harder, and the hardness can be reduced to about 70 to 75 by a Shore hardness tester. There are about 56 to 60 αβ types.

The face plate 1 is made of a chromium molybdenum steel plate, and the metal wood body 2 is made of a stainless steel plate or an iron plate.

The hardness of the face plate 1 is increased by forming a coating by spraying and spraying a special metal powder on the face plate 1.

The film formed on the face plate 1 is shown in FIG.
When the face plate 1 is integrally joined to the face opening 3 of the metal wood main body 2 as shown in FIG. Is sprayed at a high combustion pressure, and at the same time, is sprayed onto the surface of the face plate 1 or the entire metal wood body 2 to form a durable film having high hardness. Even if the face plate 1 and the metal wood main body 2 are made of the same material, the hardness of the face plate 1 can be further increased by this method of forming a film.

In the metal wood body 2 shown in FIG. 1, a face opening 3 and a sole opening 4 are formed, and a sole plate 5 separately formed in the sole opening 4 is supported by a joining receiving piece 6 and joined. FIG.

In this case, when the sole plate 5 is joined, a durable film having a high hardness can be formed on the surface by spray coating as appropriate. Further, the sole plate 5 may be made of the same material as the metal wood body 2. Alternatively, a different material suitable for the sole plate may be used.

In the figure, reference numeral 7 denotes a neck cylinder, and 8 denotes a shaft.

According to the first embodiment, when the golf ball is hit with the hard face plate 1, the repulsive force is strongly applied, so that the flight distance of the golf ball is remarkably improved.

In addition, since the golf ball does not receive any additional rotational force, the golf ball flies straight, and the straightness is significantly improved.

In the first embodiment, the surface of the face plate 1 or the entire head portion is thermally sprayed to form a durable film having high hardness, so that when a golf ball is hit, the flight distance is significantly improved and the golf ball is straightened Not only can it be skipped, but also the durability of the entire head can be improved.

FIG. 4 shows a second embodiment belonging to any of the first to fifth aspects of the present invention.

In the second embodiment, the face plate 1 made of chromium molybdenum steel plate is integrated with the face opening 3 of the metal wood body 2 made of stainless steel or iron plate by appropriately adjusting the loft angle a and the face angle b. It was joined.

As shown in FIG. 4, the loft angle a is determined by providing a joint receiving piece 9 for supporting the face plate 1 in the face opening 3 and supporting the face plate 1 on the joint receiving piece 9 for joining. The angle of the joint receiving piece 9 is set to 8 degrees to 1
The angle is adjusted at a fine angle that is not conventionally used, such as 9.5 degrees or 10.5 degrees, between 2 degrees.

As for the face angle b, similarly to the loft angle a, the angle of the joining piece 9 is adjusted to within ± 2 degrees from the standard.

The thickness 1 a of the face plate 1 is appropriately adjusted (for example, 2 mm to 3 mm), and the face plate 1 is integrally joined to the face opening 3 of the metal wood body 2.

In this case, when the thickness 1a of the face plate 1 is reduced, the depth of the center of gravity is increased, and when the thickness 1a is increased, the repulsion force is improved. (If the thickness 1a of the face plate 1 is reduced, the face plate 1 having a higher hardness is necessarily selected due to its strength.) The metal wood body 2 shown in FIG. Part 3 and a sole opening 4 are formed, and a sole plate 5 separately formed in the sole opening 4
Is bonded to the joint receiving piece 6 to form a durable film having a high hardness on the surface by spray coating as appropriate when the sole plate 5 is joined. The sole plate 5 may be made of the same material as the metal wood body 2, or a different material suitable for the sole plate may be used.

Therefore, according to the second embodiment, when the golf ball is hit with the hard face plate 1, the repulsive force is strongly applied, so that the flight distance of the golf ball is remarkably improved.

In addition, since no extra rotational force is applied to the golf ball, the golf ball will fly straight, and the straightness will be significantly improved.

Also, in the second embodiment, a club that matches the taste and habit of an individual can be easily produced by appropriately adjusting the desired loft angle a and face angle b and joining them. When the golf ball is hit, the golf ball can be hit straight in order to produce the optimum spin amount with the smoothness of the face plate 1 surface.

Also, in the second embodiment, when the thickness 1a of the face plate 1 is reduced, the depth of the center of gravity becomes deeper, so that the flight distance is improved when the golf ball is hit, and when the thickness 1a of the face plate 1 is increased, the repulsive force is increased. When the golf ball is hit, the flight distance is improved.

FIGS. 5 and 6 show a third embodiment of the present invention.

The third embodiment is a case in which the present invention is also applied to an iron club, that is, the iron head main body 22 shown in FIG. 5 has a face fitting portion 23 on the front surface of the main body formed by casting or forging. This face fitting portion 23
The figure shows a case where the face plate 21 formed separately is fitted with proper adjustment of the loft angle a and the face angle b and joined together. In the third embodiment, the face plate 2
1 is fitted to the face fitting portion 23, the back surface of the face plate 21 is set to contact the inclined surface 23 a of the face fitting portion 23 of the iron head body 22, and the loft angle a and the face angle Adjustment of b is inclined surface 23a
The adjustment is appropriately performed by adjusting the inclination angle.

The face plate 21 and the face plate 21
Instead of molding the iron head body 22 except for the same material with the same material, the face plate 21
2, the face plate 1 is formed of chromium molybdenum steel, and the metal wood body is formed of stainless steel or iron.

The thickness 21a of the face plate 21 is appropriately adjusted, and the face plate 21 is attached to the iron head body 22.
And is integrally joined by fitting into the face fitting portion 23.

Incidentally, the depth of the face fitting portion 23 of the iron head main body 22 is appropriately adjusted according to the adjustment of the thickness 21a of the face plate 21.

In this case, when the thickness 21a of the face plate 21 is reduced, the depth of the center of gravity is increased, and when the thickness 21a is increased, the repulsion force is improved (the thickness 21a of the face plate 21 is increased).
When a is made thinner, the face plate 21 having a higher hardness is necessarily selected due to its strength. ).

In the third embodiment, as in the first and second embodiments, a special metal powder is spray-welded on the face plate 21 to form a coating and the hardness of the face plate 21 can be increased. It is.

Therefore, according to the third embodiment, when the golf ball is hit with the hard face plate 21, the repulsive force is strongly applied, so that the flight distance of the golf ball is remarkably improved.

In addition, since the golf ball does not receive any extra rotational force, it will fly straight, and the straightness will be significantly improved.

Further, in the third embodiment, a club that matches the taste and habit of an individual can be easily produced by appropriately adjusting the desired loft angle a and the face angle b and joining them. When the golf ball is hit, the golf ball can be hit straight so that the smoothness of the surface of the face plate 21 produces an optimum spin amount.

In the third embodiment, when the thickness 21a of the face plate 21 is reduced, the depth of the center of gravity is increased, so that the flight distance is improved when the golf ball is hit, and when the thickness 21a of the face plate 21 is increased, the repulsive force is increased. When the golf ball is hit, the flight distance is improved.

[0064]

According to the present invention, as described above, the face plate,
The metal wood main body and the iron head main body excluding the face plate are separately formed, and a face plate having a hardness higher than the hardness of the metal wood main body and the iron head main body is selected. Also, since the golf ball is integrally joined to the face fitting portion of the iron head body, when a golf ball is hit with a hard face plate, repulsion is strongly applied. .

In claims 2 and 8, β-titanium has a higher hardness than αβ-titanium. Similarly, in claims 3 and 9, chromium molybdenum steel has a higher hardness than stainless steel or iron. When the ball is hit, a repulsive force is strongly applied, resulting in an excellent metal wood club and iron club in which the flight distance of the golf ball is remarkably improved.

In the fourth and tenth aspects, when the face plate is integrally joined to the face opening of the metal wood body and the face fitting part of the iron head body, the desired loft angle and face angle are appropriately adjusted and joined. Thus, it is possible to easily create a club that suits the individual's tastes and habits, and to provide a metal wood club and an iron club that can fly a golf ball straight when hit with this club.

According to the fifth and eleventh aspects of the present invention, the flight distance is increased by appropriately adjusting the thickness of the face plate (the depth of the center of gravity can be increased by decreasing the thickness of the face plate, and the resilience can be increased by increasing the thickness of the face plate). )) Metal wood club and iron club.

In the sixth and twelfth aspects, the hardness of the face plate is made harder than the hardness of the metal wood main body and the iron head main body in the same manner as described above, whereby a repulsive force is generated when a golf ball is hit, and the flight distance can be improved. In addition, since the golf ball does not rotate, the metal wood club and the iron club can fly the golf ball straight.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a first embodiment.

FIG. 2 is a cross-sectional view of a joint showing a joint state between the face plate 1 and the sole plate 5 according to the first embodiment.

FIG. 3 is an explanatory diagram of an operation of forming a high hardness film on the face plate 1 according to the first embodiment.

FIG. 4 is an exploded perspective view of the second embodiment.

FIG. 5 is an exploded perspective view of the third embodiment.

FIG. 6 is a perspective view of a third embodiment.

[Explanation of symbols]

 a Loft angle b Face angle 1 Face plate 1a thickness 2 Metal wood body 3 Face opening 21 Face angle 21a Thickness 22 Iron head body 23 Face fitting part

Claims (12)

[Claims] 1. A face plate and a metal wood body excluding the face plate are separately formed, and a face plate having a hardness higher than the hardness of the metal wood body is selected. A metal wood club that is integrally joined to the face opening. 2. The metal wood club according to claim 1, wherein the face plate is formed of a β titanium plate, and the metal wood body excluding the face plate is formed of an αβ titanium plate. 3. The metal wood club according to claim 1, wherein the face plate is formed of a chromium molybdenum steel plate, and the metal wood main body is formed of a stainless steel plate or an iron plate. 4. The metal wood according to claim 1, wherein the face plate is integrally joined to the face opening of the metal wood body by appropriately adjusting the loft angle and the face angle. club. 5. The method according to claim 1, wherein the thickness of the face plate is appropriately adjusted, and the face plate is integrally joined to the face opening of the metal wood body. Metal wood club. 6. The metal wood club according to claim 1, wherein a special metal powder is spray-welded on the face plate to form a coating, thereby increasing the hardness of the face plate. 7. A face plate and an iron head main body excluding the face plate are separately formed, and a face plate having a hardness higher than the hardness of the iron head main body is selected, and the hard face plate is fitted to the iron head main body. An iron club characterized by being integrally joined to the part. 8. The iron club according to claim 7, wherein the face plate is formed of β titanium, and the iron head body excluding the face plate is formed of αβ titanium. 9. The iron club according to claim 7, wherein the face plate is formed of chromium molybdenum steel, and the iron head body is formed of stainless steel or iron. 10. The iron according to claim 7, wherein the face plate is integrally joined to the face fitting portion of the iron head body by appropriately adjusting the loft angle and the face angle. club. 11. The method according to claim 7, wherein the thickness of the face plate is appropriately adjusted, and the face plate is integrally joined to a face fitting portion of the iron head main body. Iron club. 12. The iron club according to claim 7, wherein a special metal powder is spray-welded to the face plate to form a coating to increase the hardness of the face plate.