A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 53/04 (2006.01) A63B 53/02 (2006.01) B21J 5/00 (2006.01) B21J 5/02 (2006.01) B21K 17/00 (2006.01)
Patent
CA 2359644
A golf club according to the present invention comprises a face portion (1) and a neck portion (2), and metal flow lines (3) continue from the face portion (1) to the neck portion (2). These metal flow lines (3) extend in a single direction on the face portion (1). A method of manufacturing a golf club according to the present invention comprises steps of bending a rod member subjected to drawing plastic working on an end and forging the rod member after the bending for integrally molding a face portion (1) and a neck portion (2).
L'invention concerne un club de golf, comprenant une face (1) et un col (2) ainsi qu'un ensemble de fibres continues (3) s'étendant de la face (1) au col (2), l'ensemble de fibres continues (3) s'étendant dans une seule direction au niveau de la face (1). L'invention concerne également un procédé de fabrication du club de golf, qui comprend les étapes consistant à appliquer un travail de pliage à un élément en forme de barre qui possède une extrémité étirée de manière plastique et à appliquer une travail de forgeage à cet élément en forme de barre après avoir effectuer le travail de pliage, de manière que la face (1) et le col (2) forment un monobloc.
Chaen Kiyotaka
Iwata Mototaka
Kanegawa Kenji
Toshinari Isamu
Chuo Industries Ltd.
G. Ronald Bell & Associates
Mizuno Corporation
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