Golf club head
US6533681B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 11, 2001 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | May 11, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head comprises a face part defining a face for striking a golf ball, and at least a part of the face part made of an alloy satisfying the following three conditions: (1) the alloy is composed of at least three different metallic elements whose group numbers in the periodic system are at least two consecutive numbers; (2) a difference in the atomic radius between at least two of said at least three different metallic elements is not less than 10%; and (3) the heat of mixing of the element that is the major component of the alloy and at least one of the remaining components or the remaining component is not less than −10 kcal/mol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.