Basketball with polyurethane cover
US5310178A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1993 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Jan 29, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S273/08
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved basketball comprising an interior spherical bladder formed principally of synthetic butyl rubber with a thickness of about 0.82 millimeters; an intermediate layer of monofilament strands formed of nylon and wound around the bladder to a thickness of between about 0.3 and 0.7 millimeters; an exterior carcass of molded natural rubber formed of two hemispheres with exteriorly projecting ribs or channels; and a plurality of polyurethane inserts formed with matted fibers of nylon or a polyester with a diameter of about 1 micron adhered to the exterior surface of carcass between the channels, the inserts having a thickness of about 1.8 millimeters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.