Baseball bat
US6776735B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1999 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Apr 16, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/5227
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a composite baseball bat having a core wherein the core is wound at various angles with continuous fibers. The fibers are impregnated with a resin such as an epoxy resin. The baseball bat can include a core having a barrel portion, handle portion and a longitudinal axis extending through core barrel and handle portions, the handle portion being narrower than the barrel portion; continuous first fibers wound around the core barrel portion at an angle of about 0° to 90° relative to a first plane normal to the longitudinal axis to provide at least one layer of first fibers around the core barrel portion; continuous second fibers wound around the core handle portion at an angle of about 35° to 55° relative to the first plane normal to the longitudinal axis to provide at least one layer of second fibers around the core handle portion; and a resin impregnated on the first and second fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.