Sports ball and production method thereof
US5542662A · kind A · utility
26Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1994 |
| Grant date | Aug 6, 1996 |
| Priority date | — |
| Expiry date | Dec 14, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B41/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An inflatable tube 1 is inserted into a covering layer 2 formed of a thin rubber pouch which is made of a material which does not permit a solution of an adhesive agent, such as an aqueous solution of latex or a solution of an adhesive agent which contains rubber, used to attach a reinforced layer to the covering layer to pass through said covering layer, and an inorganic lubricant 3 disposed between the tube and the covering layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.