Patent · US Active

Composite bat

US8029391B2 · kind B2 · utility

11Cited by

31References

13Claims

0Family size

Assignee

NIKE, Inc. · US

Inventors

Mark McNamee · Portland, US
Chris S. Page · Portland, US

Key dates

Filing date	Feb 26, 2008
Grant date	Oct 4, 2011
Priority date	—
Expiry date	Mar 9, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA63B2209/023
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A bat includes a composite material barrel. The barrel includes a plurality of layers. A stiffening layer forms one of the exterior layers of the barrel. The stiffening layer includes unidirectional fibers, where the unidirectional fibers are oriented to substantially encircle the barrel. The stiffening layer is positioned on the barrel to cover at least a portion of the sweet zone. The barrel may include multiple walls, where each wall includes a stiffening layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.