发明名称 Hollow pneumatic tyres for toy cars - moulded from an impermeable plastic for air retention
摘要 <p>Tyres for toy or model cars are moulded from an impermeable plastic material to include a hollow toroidal form contg. permanently trapped air. Pref. the sidewalls are convex and the conic hubs include radial slots, to enhance flexibility. Used with motorised, opt. radio controlled toy vehicles. The hollow tyres provide better grip, more realistic appearance and/or are lighter than solid tyres.</p>
申请公布号 FR2456630(A3) 申请公布日期 1980.12.12
申请号 FR19790028747 申请日期 1979.11.21
申请人 POLISTIL SPA 发明人 ENNIO SALA
分类号 A63H;A63H17/267;B60C3/02;B60C7/12;(IPC1-7):60C3/00;60C7/12;63H17/26 主分类号 A63H
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