| 摘要 |
A piston comprises a crown (12) and a skirt (20). At least a portion of the skirt (20) is formed of a ceramic material injection moulded directly on to the remainder of the skirt (20) or the crown (12). The ceramic material provides a plurality of pads (24) which projects from a thrust surface of the skirt (20) to transmit lateral forces against a wall of an associated cylinder.
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