MANUFACTURING METHOD OF GOLF CLUB HEAD

PROBLEM TO BE SOLVED: To provide a manufacturing method of a golf club which can suppress fluctuation in the shape of the face line. SOLUTION: The manufacturing method includes the steps of: preparing a pre-line forming member having no face line; and cutting the pre-line forming member using a cutt...

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Bibliographic Details
Main Author NAKANO TAKATSUGU
Format Patent
LanguageEnglish
Published 25.11.2010
Subjects
AMUSEMENTS
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING
BALL GAMES
GAMES
HUMAN NECESSITIES
SPORTS
TRAINING EQUIPMENT
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Summary:PROBLEM TO BE SOLVED: To provide a manufacturing method of a golf club which can suppress fluctuation in the shape of the face line. SOLUTION: The manufacturing method includes the steps of: preparing a pre-line forming member having no face line; and cutting the pre-line forming member using a cutter 12 to form the face line on the pre-line forming member. The cutter 8 has a tip part having a cutting surface. The cutting surface has a recessed curved surface c4. An edge of the face line 8 is cut by the recessed curved surface c4. Preferably, the step of cutting is carried out by axial rotation of the cutter 8. Preferably, the cutting surface has a plane part c5 formed on an upper side of the recessed curved surface c4. Preferably, the upper side plane part c5 is perpendicular to a rotation axis rz of the cutter 12 Preferably, the cutting surface has a conical surface Fc formed on a lower side of the recessed curved surface c4. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20090116171