| 摘要 |
A game ball including a casing and a lacing. The casing has a laced region. The lacing is coupled to the laced region of the casing. The lacing has an exposed surface comprised of an outer material that is compressible, resilient, and tactile. The outer material has a modulus of elasticity of between 14 and 170 kg/cm<2 >and a tensile strength between 100 and 650 kg/cm<2>. At least a portion of the lacing can have an exposed pebbled surface.
|
