Ball for ball game
US6685585B2 · kind B2 · utility
57Cited by
13References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 13, 2002 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Nov 13, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2243/0025
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A ball for a ball game includes an elastic bladder having the form of a spherical hollow body into which compressed air is charged, a reinforced layer formed on a whole surface of the bladder, and a plurality of leather panels bonded onto the reinforced layer directly or through a cover rubber layer, wherein a peripheral edge portion of the leather panel is folded toward an inside and a thickness adjusting member for eliminating a difference in step caused by the folding of the leather panel is caused to be bonded onto the back of the leather panel surrounded by the folded portion of the leather panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.