Method for making a liquid golf ball center core
US5922252A · kind A · utility
50Cited by
19References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1997 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Jun 3, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/545
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention is directed towards several methods for forming liquid filled centers from thermoplastic materials, including methods for sealing the liquid filled centers subsequent to filling with liquid. The methods exploit the beneficial processing characteristics of thermoplastic materials so as to provide efficient methods for producing liquid filled center cores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.