Golf ball cores with dual parting lines made from a three plate mold
US6863627B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 2002 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Nov 29, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/545
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improvement in the manufacture of golf ball cores utilizing a three plate mold to form the cores therein providing the cores with dual parting lines.The apparatus comprises top, center and bottom plates, each having at least one mold insert. Each insert having a cavity therein. The three cavities collectively forming a spherical shape for molding a golf ball core. Upon the cores being formed, the center plate holding the cores, is lifted and rotated to a juxtaposed position against a stripping plate, whereby the cores are mechanically separated from both the mold and overflow flashing. The dual parting lines of different distances from their respective polar ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.