<p>A sport ball (10) may include a casing (20), a bladder (40), and a valve (50). The casing forms at least a portion of an exterior surface of the ball. The bladder is located within the casing for enclosing a pressurized fluid, and the bladder may be formed from a material that includes a first layer of thermoplastic polymer material and a second layer of a barrier material. The valve is for introducing the fluid to the bladder, and the valve is secured to the bladder and accessible from an exterior of the casing. A tie layer may be located between the flange and a surface of the bladder to join the flange to the bladder.</p>
申请公布号
WO2012151281(A1)
申请公布日期
2012.11.08
申请号
WO2012US36128
申请日期
2012.05.02
申请人
NIKE INTERNATIONAL LTD.;BERGGREN, SCOTT, R.;MCNAMEE, MARK;JOHNSON, SCOTT, W.;FLISS, ERIC, L.
发明人
BERGGREN, SCOTT, R.;MCNAMEE, MARK;JOHNSON, SCOTT, W.;FLISS, ERIC, L.