JPH03182265A - Wood gold club and manufacture thereof - Google Patents

Abstract

PURPOSE:To effectively prevent damages such as the break of the neck part of a club head body to a driven ball and solve troubles such as fray of the neck yarn at the time of use by fitting and integrating a fiber reinforcement cylinder to the neck part. CONSTITUTION:In the structure of a neck part 2 provided on a club head body 1, a fitting part 9 having a step part 8 to which a fiber reinforcement cylinder 7 is fitted is preliminarily formed around the neck part 2. The fiber reinforce ment cylinder 7 formed by knitting carbon fibers into nearly a conical cylinder according to the form of the neck part 2, impregnating with a matrix resin, and hardening by heating is fitted and closely adhered to the neck part with an adhesive or by press-fitting, whereby it is integrally formed. Hence, troubles such as fray of the neck yarn is effectively prevented, the break of the neck part is also prevented by the reinforcement of the neck part, and the form of the neck part is simplified.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a wood golf club and a method for manufacturing the same, and more specifically to a wood golf club reinforced by fitting a fiber-reinforced tube into the neck portion of the club head. and its manufacturing method.

[Conventional technology]

As a conventional wood golf club head, for example,
As shown in the figure, most of the neck part 2 of the club head l, excluding the metal head, for example,
As disclosed in Japanese Unexamined Patent Publication No. 96056 and Japanese Utility Model Application Publication No. 59-96759, neck thread 3 is wound around the neck thread 3 for reinforcement.

[Problem that the invention seeks to solve]

However, in the case of the neck part 2 of such a conventional club head, troubles such as fraying of the neck thread 3 occur when the club is used, and the neck thread 3 spoils the appearance of the neck part 2 of the club head. There was a problem.

[Purpose of the invention]

This invention was devised in view of such conventional problems, and it effectively prevents troubles such as fraying of the neck thread, and also prevents the neck from breaking by reinforcing the neck. It is an object of the present invention to provide a wood golf club that has a simplified neck shape and improved flexibility in design, and a method for manufacturing the same.

[Means to solve the problem]

In order to achieve the above object, the present invention forms a fiber-reinforced tube braided with reinforcing fibers such as carbon into a cylindrical or substantially conical tube shape, approximately matching the shape of the neck portion of the club head body, and The gist of the present invention is that the neck portion of the club head body is fitted onto the neck portion of the club head body and is integrally constructed.

In addition, the present invention involves molding the club head body mainly from fiber-reinforced plastic, and forming a cylindrical or approximately conical cylinder into the neck portion of the club head body using reinforcing fibers such as carbon in advance to roughly match the shape of the neck portion. The gist of this method is to braid it into a shape, harden it together with a matrix resin, and fit a fiber-reinforced tube made of fiber-reinforced plastic.

Further, in the present invention, a club head main body is molded or preformed using fiber reinforced plastic as a main material, and reinforcing fibers such as carbon are applied to the neck portion of the club head main body in advance in a cylindrical shape or a shape approximately matching the shape of the neck portion. The gist is to braid it into a substantially conical tube shape, fit a fiber reinforced tube impregnated with matrix resin, and in this state, harden the club head body and fiber reinforced tube by heating etc. to integrally mold the club head body and the fiber reinforced tube. It is something.

Further, in this invention, the club head body is molded in an uncured state using fiber-reinforced plastic as the main material, and a cylindrical reinforcing fiber such as carbon is injected into the neck portion of the club head body in advance to roughly match the shape of the neck portion. Or, the gist is to braid into a substantially conical cylinder shape, fit a fiber-reinforced tube impregnated with matrix resin, and integrally harden and mold the fiber-reinforced tube and the club head body by heating, etc. It is.

[Action of the invention]

The present invention is constructed as described above, and a fiber-reinforced tube impregnated with matrix resin is fitted onto the neck of a wood golf club head body mainly made of fiber-reinforced plastic using reinforcing fibers such as carbon. This structure eliminates the need for reinforcement when wrapping the neck thread, eliminating problems caused by the neck thread, improving the appearance, and reinforcing the neck portion at the same time.

[Embodiments of the invention]

Hereinafter, the present invention will be described in detail based on the accompanying drawings.

Note that the same components as those in the conventional example are given the same reference numerals, and the description thereof will be omitted.

FIG. 1 shows a front view of a wood golf club head main body 1 according to the present invention, and 2 indicates a neck portion into which one end of a club shaft 4 is inserted into a shaft hole 5, and 6 indicates a face surface.

In the case of the first embodiment shown in FIG. 2, the structure of the neck portion 2 provided on the club head body 1 is such that a fiber reinforcing tube 7, which will be described later, is fitted onto the circumferential surface of the neck portion 2 in advance. Stepped portion 8
As shown in FIG. 4, carbon fibers are braided into a substantially conical cylinder shape in advance to approximately match the shape of the neck portion 2, and the mating portion 9 is impregnated with a matrix resin and heated, etc. It is integrally formed by fitting the fiber-reinforced tube 7, which is hardened by the method, with adhesive or by press-fitting, to bring it into close contact.

In addition, as the matrix resin constituting the fiber reinforcing cylinder 7, thermosetting resin (for example,
Unsaturated polyester resin.

In addition to vinyl ester resin, epoxy resin, etc.), it is also possible to use thermoplastic resins (e.g., ABS resin, etc.), and reinforcing fibers include not only carbon fibers but also
Fibers such as glass fibers and aromatic polyamides can also be used.

In addition, the above matrix resin impregnation is performed on the fiber reinforced cylinder 7.
This is done before fitting the neck part 2 and used as a prepreg.In addition, after fitting the fiber reinforcing cylinder 7 braided into a substantially conical cylinder shape with reinforcing fibers such as carbon to the neck part 2, the matrix is used. Impregnation with resin is also possible.

FIG. 3 shows a second embodiment of the present invention, in which the fiber-reinforced tube 7a is made of three-dimensional fabric as shown in FIG. The neck portion 2 is reinforced by making it thinner and thickening the other end 2b on the head side.

Note that the other configurations are the same as those of the first embodiment, so
Explanation will be omitted.

Next, a method for molding the club head body 1 will be described.

First, as an example of the first manufacturing method shown in FIGS. 2 and 3, a club head body l mainly made of fiber-reinforced plastic is hardened and molded, and at this time, the circumferential surface of the neck portion 2 is , a fitting part 9 having a stepped part 8 into which the fiber reinforced cylinder 7 fits.
Form it. Then, the neck part 2 of the club head main body is braided in advance into a substantially conical cylinder shape with reinforcing fibers such as carbon, roughly matching the shape of the neck part 2 as shown in FIG. 4, and is impregnated with a matrix resin. The fiber-reinforced cylinder 7, which has been cured and molded by heating, is integrally fitted with an adhesive or press-fitted.

In addition, as a second manufacturing method, the club head body 1 is molded or preformed (semi-cured state) using fiber reinforced plastic as the main material in the same manner as above, and a second manufacturing method is applied to the neck portion of the club head body l. As shown in FIG. 5, reinforcing fibers such as carbon are braided in advance into a substantially conical tube shape to approximately match the shape of the neck portion 2, and a fiber reinforcing tube 7a is impregnated with matrix resin and fitted, and in this state. By curing the club head body 1 and the fiber-reinforced tube 7a by heating or the like, the gutter body 1 and the fiber-reinforced tube 7a are integrally molded into the club.

Furthermore, as a third manufacturing method, the club head body 1 is molded in an uncured state using fiber-reinforced plastic as the main material, and the neck part 2 of the club head body 1 is pre-shaped approximately in the shape of the neck part 2. In addition, reinforcing fibers such as carbon are braided into a cylindrical or substantially conical tube shape, a resin-impregnated fiber reinforcing tube 7b is fitted, and the fiber reinforcing tube 7b and club head body 1 are hardened by heating or the like. It is molded in one piece.

This invention is constructed by fitting a fiber-reinforced tube 7 impregnated with matrix resin into the neck portion 2 of the wood golf club head body 1 which is mainly made of fiber-reinforced plastic using carbon fiber or the like as described above. This eliminates the need for reinforcement when wrapping the neck thread as in the past, and eliminates the problems caused by the neck thread, while improving the appearance and reinforcing the neck portion 2 at the same time.

〔Effect of the invention〕

In this invention, as the neck part is reinforced with a fiber-reinforced tube as described above, it is possible to effectively prevent the neck part from breaking or other damage due to a hit ball, and since the conventional neck thread is not used, it is possible to This has the effect of completely eliminating problems such as neck fraying during use, allowing you to swing with confidence, and the shape of the neck of the club head has become thinner and smoother, improving its appearance. This has the effect of eliminating the unsightliness when hitting a ball, improving the appearance, reinforcing the neck at the same time, and increasing the degree of freedom in designing the shape of the neck.

[Brief explanation of drawings]

FIG. 1 is a front view of a wood golf club head embodying the present invention, FIGS. 2 and 3 are cross-sectional views taken along the line X-X in FIG. 1 showing each embodiment of the present invention, and FIG. and FIG. 5 is a perspective view of a fiber-reinforced cylinder according to the present invention, and FIG. 6 is a front view of a conventional wood golf club head. DESCRIPTION OF SYMBOLS 1... Wood golf club head, 2... Neck part, 7, 7a... Fiber reinforced cylinder.

Claims (1)

[Claims] 1. In a wood golf club mainly made of fiber-reinforced plastic, reinforcing fibers such as carbon are braided into a cylindrical or substantially conical tube shape to approximately match the shape of the neck portion of the club head body. A wood golf club characterized in that a fiber-reinforced tube is formed and the fiber-reinforced tube is fitted over the neck portion of the club head body to be integrally constructed. 2. Claim 1, wherein the fiber-reinforced tube is made of a three-dimensional fabric.
The wood golf club described in . 3. The club head body is molded mainly from fiber-reinforced plastic, and the neck of the club head body is braided with reinforcing fibers such as carbon into a cylindrical or approximately conical tube shape in advance to roughly match the shape of the neck. . A method for manufacturing a wood golf club, characterized in that a fiber-reinforced tube made of fiber-reinforced plastic is hardened together with a matrix resin and fitted. 4. A club head body is molded or preformed using fiber-reinforced plastic as a main material, and a cylindrical or approximately conical tube shape is made of reinforcing fibers such as carbon to approximately match the shape of the neck portion of the neck portion of the club head body. A wood golf club characterized in that a fiber reinforced cylinder impregnated with matrix resin is fitted over the club head body and the fiber reinforced cylinder, and in this state the club head body and the fiber reinforced cylinder are hardened by heating etc. and molded integrally. Production method. 5. The club head body is molded in an uncured state using fiber-reinforced plastic as the main material, and a cylindrical or approximately conical cylinder is pre-filled with reinforcing fibers such as carbon to roughly match the shape of the neck part of the club head body. In addition to braiding it into a shape,
A method for manufacturing a wood golf club, which comprises fitting a fiber-reinforced cylinder impregnated with a matrix resin, and integrally curing and molding the fiber-reinforced cylinder and the club head body by heating or the like.