Golf club head
US6193614A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1998 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Sep 9, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/047
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head which can be reduced in its thickness with no fear of impairing the durability and strength of the club head. A face portion of the golf club head is configured such that the vertical dimension of the face portion is smaller than the horizontal dimension thereof, and the face portion is arranged so as to satisfy any of the following conditions: 1) the longitudinal direction of crystal grains of a material of the face portion is oriented in the vertical direction of the face portion; 2) the direction in which the material exhibits a large ductile amount at the time of breaking is oriented in said vertical direction; and 3) the direction in which the material exhibits a large ratio of ductility per unit length is oriented in said vertical direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.