Golf club head processing method and golf club head

a golf club and processing method technology, applied in the field of golf club head processing method and golf club head, can solve the problem of adverse influence on the accuracy of the formed scoreline, and achieve the effect of reducing the adverse influen

Inactive Publication Date: 2011-12-01
BRIDGESTONE SPORTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

It is an object of the present invention to perform blast processing on a face surface, on which scorelines have already been formed, while reducing the adverse influence that this processing exerts on the accuracy of the formed scorelines.

Problems solved by technology

Unfortunately, upon blast processing on a face surface on which scorelines have already been formed, the edges and inner walls of the scorelines are also polished, and this adversely affects the accuracy of the formed scorelines.

Method used

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  • Golf club head processing method and golf club head
  • Golf club head processing method and golf club head
  • Golf club head processing method and golf club head

Examples

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Embodiment Construction

FIG. 1 is an external view of a golf club head 1 according to one embodiment of the present invention. FIG. 1 illustrates an example in which the present invention is applied to an iron type golf club head. The present invention is suitable for an iron type golf club head and, more particularly, for middle iron, short iron, and wedge type golf club heads. More specifically, the present invention is suitable for a golf club head with a loft angle of 30° (inclusive) to 70° (inclusive) and a head weight of 240 g (inclusive) to 320 g (inclusive). However, the present invention is also applicable to wood type and utility (hybrid) type golf club heads.

The golf club head 1 has a plurality of scorelines 20 formed in its face surface (striking surface) 10. The scorelines 20 are parallel linear grooves extending in the toe-to-heel direction. Although the scorelines 20 are aligned at an equal pitch in this embodiment, they may be aligned at different pitches.

The face surface 10 is roughened by...

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Abstract

This invention provides a golf club head processing method of performing blast processing on a face surface on which a scoreline is formed. The processing method according to this invention includes the steps of filling the scoreline with a masking material before the blast processing, and removing the masking material from the scoreline after the blast processing.

Description

BACKGROUND OF THE INVENTION1. Field of the InventionThe present invention relates to blast processing on the face surface of a golf club head.2. Description of the Related ArtIn a golf club head and, especially, in an iron type golf club head, blast processing is often performed on its face surface (for example, Japanese Patent Laid-Open Nos. 10-248974 and 10-179824). The blast processing is intended for, for example, an improvement in appearance of the face surface, reflection suppression of sunlight (glare protection), or adjustment of the back spin amount on a struck golf ball.Unfortunately, upon blast processing on a face surface on which scorelines have already been formed, the edges and inner walls of the scorelines are also polished, and this adversely affects the accuracy of the formed scorelines. To solve this problem, Japanese Patent Laid-Open No. 10-248974 presents a proposal to perform blast processing on the face surface before scorelines are formed. In this case, howev...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A63B53/04B24C1/08A63B102/32
CPCA63B53/04A63B53/047A63B2053/0408A63B53/0466A63B2053/0445A63B2053/0479B24C1/04A63B2053/0416A63B53/0445A63B53/0408A63B53/0416A63B60/00
Inventor BAN, WATARU
Owner BRIDGESTONE SPORTS
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