B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 15/24 (2006.01) B21K 5/20 (2006.01) B23H 9/06 (2006.01) B29C 33/42 (2006.01)
Patent
CA 2097451
A method for forming a plurality of small concavities for forming dimples on the surface of the golf ball, on the hemispherical surface of the material of a master by electric discharge machining, is carried out in such a manner that the concavities are nonspherical in the direction perpendicular to the hemispherical surface and in a vertical section through each concavity.
La présente invention vise une méthode utilisée pour le façonnage d'un grand nombre de creux en vue d'obtenir des dépressions à la surface d'une balle de golf, sur la surface d'un hémisphère du matériau support d'une matrice fabriquée par usinage par étincelage. Cette méthode est mise en oeuvre de manière que les creux ne soient pas sphériques dans l'axe perpendiculaire à la surface hémisphérique ni dans la section verticale traversant chaque creux.
Kirby Eades Gale Baker
Sri Sports Limited
LandOfFree
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