JPH0984905A - Golf club head and method for enclosing high-pressure gas to golf club head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to increase the repulsion force of a head and to add acceleration to a hit ball so as to increase the carry of the hit ball by enclosing a high-pressure gas into the hollow part of the head of a golf club. SOLUTION: The repulsion force of the head 1 is increased by enclosing the high-pressure gas capable of withstanding the impact at the time of use into the head 1 of the golf club. The sweet spot 4 of the face 3 is formed slightly thinner than other parts in order to concentrate the repulsion force. Pinholes are generated in the head 1 at the time of production and, therefore, a sealing material is applied at the inside of the head 1 in order to close such pinholes.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a golf club head in which high pressure gas is enclosed in a hollow portion (2) of a golf club head (1).

[0002]

2. Description of the Related Art Some conventional golf club heads are hollow and have a normal hollow portion.

[0003]

The prior art has the following drawbacks. Golf clubs have extended the flight distance of hit balls by developing new materials for shafts and heads, but apart from the golfer's technology, only within the range of the physical strength of the material used and the head shape, further improvement in flight distance can be achieved. There was a limit.

The present invention has been made in order to eliminate the above-mentioned conventional problems, and an object thereof is to extend a flight distance of a hit ball, which is a golfer's desire.

[0005]

[Means for Solving the Problems]

In order to achieve the above object, the material of the golf club head (1) is titanium, stainless steel, duralumin, carbon fiber and the equivalent, and the hollow portion (2) is a high pressure gas capable of withstanding impact when the club is used. A high-pressure gas of about 2 to 30 atm, which varies depending on the material and thickness, is enclosed to enhance the repulsive force of the head (1). In order to concentrate the repulsive force, the sweet spot (4) of the face (3) of the head (1) is made slightly thinner than the other parts.

As a high-pressure gas encapsulation method, as described in claim 2, the screw hole (11) of the golf club head (1) is preliminarily provided with a conical hole, and a bolt with a valve wrench (9) is used as the high-pressure gas. The needle (1
When a predetermined high-pressure gas is injected into the hollow portion (2) from (0) and the injection needle (10) is withdrawn, the pressure in the hollow portion (2) is high, so that the valve (8) is pushed out to the high pressure in the hollow portion (2). Gas is enclosed. This method can be performed in a normal pressure environment.

As a high-pressure gas filling method, as described in claim 3, when the golf club head (1) is put in an airtight container and a predetermined high-pressure gas is injected into the airtight container, a hollow portion (2)
Gas enters the hole through the screw hole (11). In this state, the wrench holed bolt (5) is tightened into the screw hole (11) so that high-pressure gas does not leak, the air pressure of the airtight container is lowered, and the golf club head (1) is taken out. The high pressure gas of is enclosed.

As a high pressure gas filling method, a bolt wrench (9) for a valve wrench having a conical hole previously formed in a screw hole (11) of a golf club head (1) is used as a high pressure gas. If it is put in an airtight container so as not to leak and a predetermined high pressure is injected into the airtight container, the pressure in the airtight container where high pressure gas enters the hollow part (2) through the gap between the valve (8) and the bolt When lowered, hollow (2)
The valve (8) is pushed out by the pressure of the hollow part (2)
High-pressure gas is sealed in.

After the high-pressure gas is filled, the wrench hole (7) is filled with the bolt so that the bolt cannot be operated, and the surface of the head (1) is finished. The screw holes (11) are provided on the opposite side of the face (3) because the weight distribution of the head (1) makes the opposite side of the face (3) thick and convenient for tapping. . Further, since the head (1) has pinholes generated during manufacturing, a sealing material is applied to the inside of the head (1) to close the pinholes, thereby completely closing the pinholes.

[0011]

The club head (1) increases the repulsive force by enclosing high-pressure gas, which accelerates the hit ball and extends the flight distance. It is desirable that the gas to be enclosed be lightweight and non-combustible.

[0012]

【Example】

The hollow portion (2) of the head (1) of the golf club is filled with a high pressure gas of about 2 to 30 atmospheres, and the sweet spot (4) of the face (3) is made slightly thinner than other portions. By thinning the sweet spot (4), the high-pressure gas concentrates on the sweet spot (4) and becomes a golf club having a high repulsive force.

As a high-pressure gas filling method, an injection needle (10) is inserted into a valve (8) of a bolt (9) for a wrench with a valve having a conical hole attached to a screw hole (11), and then a predetermined amount is provided. When high-pressure gas is injected and the injection needle (10) is pulled out, the valve (8) is pushed out by the pressure of the hollow portion (2) and the high-pressure gas is sealed in the hollow portion (2).

As a high-pressure gas encapsulation method, when the golf club head (1) is placed in an airtight container and a predetermined high-pressure gas is injected into the airtight container, the gas enters the hollow portion (2) through the screw hole (11). In this state, the bolts (5) for wrenches are screwed into the screw holes (11) so that high pressure gas does not leak, and when the golf club head (1) is taken out from the airtight container, the high pressure gas is sealed in the hollow portion (2). Has been done.

A golf club head (1) is placed in an airtight container after attaching a bolt (9) for a wrench with a valve having a conical hole to a screw hole (11) for high pressure gas sealing. When a predetermined high pressure is injected into the airtight container, high pressure gas enters the hollow portion (2) through the gap between the valve (8) and the bolt. When the pressure in the airtight container is reduced, the pressure in the hollow portion (2) pushes the valve (8) to the outside, and a predetermined high-pressure gas is sealed in the hollow portion (2).

After the high-pressure gas is filled, the golf head is filled with the wrench hole (7) so that the bolt cannot be operated, and the surface of the head (1) is finished. In addition, the head (1) completely closes the pinhole generated during manufacturing with the sealing material.

[0018]

Since the present invention is constructed as described above, the repulsive force of the sweet spot is increased intensively by the action of the enclosed high pressure gas as compared with the other heads, the ball is accelerated and the flight distance is increased. Achieve the desire of golfers and golfers, and enjoy more enjoyable golf.

[Brief description of drawings]

FIG. 1 is a sectional perspective view of a golf head.

FIG. 2 is a sectional view of a golf head.

[Fig. 3] Enlarged sectional view of a bolt with a hole for a valve wrench with a conical hole

[Fig. 4] Enlarged view of cross section of bolt with hole for wrench

FIG. 5 is an enlarged view of a cross section of a bolt with a hole for a wrench with a valve having a conical hole.

[Explanation of symbols]

 1 Head 2 Hollow Part 3 Face 4 Sweet Spot 5 Wrench Hole Bolt 6 Sealing Material 7 Wrench Hole 8 Valve 9 Valve Wrench Hole Bolt with a Conical Hole 10 Injection Needle 11 Screw Hole

Claims (4)

[Claims] 1. A golf club head in which a high pressure gas is injected into a hollow portion (2) of the golf club head (1) and sealed with a valve or a bolt. 2. A screw hole (1) for a golf club head (1).
A bolt (9) for a wrench with a valve having a conical hole is attached to 1) to prevent high-pressure gas from leaking, and an injection needle (10) is inserted into the valve (8). A high-pressure gas filling method for a golf club head in which the injection needle (10) is removed after injecting a predetermined atmospheric pressure. 3. The golf club head (1) is placed in an airtight container, and a predetermined high pressure is injected into the airtight container to inject gas into the hollow portion (2) through the screw hole (11) and into the screw hole (11). Golf club head (1) by tightening square bolts (5) for wrench so that gas does not leak
A method for encapsulating high-pressure gas in a golf club head in which high-pressure gas is encapsulated in the hollow part (2). 4. A screw hole (1) for a golf club head (1).
1) Put the golf club head (1) in an airtight container and inject a predetermined high-pressure air pressure with a holed bolt (9) for a wrench with a valve having a conical hole attached to it so that high-pressure gas does not leak. A high pressure gas encapsulation method for a golf club head in which the airtight container and the hollow portion (2) are made to have the same pressure by the gas entering the hollow portion (2) through the gap between the valve (8) and the bolt, and the high pressure gas is enclosed in the hollow portion.