| 摘要 |
<p>A magnetic dust cap for a pneumatic tire comprising an external valve stem having a threaded top portion having a width, a length, a top end and a bottom end and a rubberized bottom portion having a width and a top end. The magnetic dust cap comprises a body for capping the external valve stem and magnetic means disposed within the body to removably adhere to a washer. The washer is adapted for threaded engagement over the threaded top portion of the valve stem.</p> |
