公开(公告)号：US20180229088A1

公开(公告)日：2018-08-16

申请号：US15431004

申请日：2017-02-13

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Patrick RIPP ,  Dan S. NIVANH ,  Mika BECKTOR ,  Jesse D. SUKMAN

IPC: A63B53/04

CPC classification number: A63B53/047 ,  A63B53/04 ,  A63B53/0475 ,  A63B2053/0408 ,  A63B2053/0416 ,  A63B2053/0445 ,  A63B2209/00

Abstract: A method comprising, in a striking face of a golf club head, the striking face being formed of a first material having a first hardness, creating a plurality of initial grooves, the initial grooves having a first cross-sectional area (A1) and a first pitch (P1) such that A1/P1>0.0030 in. The method continues with modifying the initial grooves at least by positioning a second material in each of the plurality of initial grooves, the second material having a second hardness that is less than the first hardness, such that the first material and the second material form a plurality of final grooves each having a second cross-sectional area (A2) and a second pitch (P2) such that A2/P2

公开(公告)号：US20150367197A1

公开(公告)日：2015-12-24

申请号：US14310704

申请日：2014-06-20

Applicant: Dunlop Sports Co. Ltd.

Inventor： Patrick RIPP ,  Roberto AGUAYO ,  Michael J. KLINE

IPC: A63B53/04

CPC classification number: A63B53/047 ,  A63B53/04 ,  A63B53/0466 ,  A63B2053/0445 ,  A63B2060/004 ,  Y10T29/49998

Abstract: Provided are a golf club head and a method for producing the golf club head. The golf club head comprises a striking face that in turn comprises a recurrent texture pattern that has a period T and that is defined by a plurality of depressions, each depression having an average depth no greater than 0.10 mm. The striking face also comprises a plurality of scorelines that at least partially intersect the recurrent texture pattern and that have a scoreline pitch Ps such that T/Ps is greater than 1.0, each scoreline having an average depth no less than 0.10 mm.

Abstract translation: 提供一种高尔夫球杆头和一种制造高尔夫球棒头的方法。 高尔夫球杆头包括击打面，该打击面又包括具有周期T且由多个凹陷限定的复现纹理图案，每个凹陷具有不大于0.10mm的平均深度。 打击面还包括至少部分地与复现纹理图案相交并且具有使得T / Ps大于1.0的刻痕线间距Ps的多个刻痕线，每个刻痕线的平均深度不小于0.10mm。