| 摘要 |
<p>A method of molding by injecting plastics material into a mold to make a part that is symmetrical about an axis of revolution, the part being hollow with a through passage along the axis, the part having two axial ends each defining an annular opening, the method comprising injecting the plastics material into the mold via an annular opening in an axial end of the part along an annular injection line, the plastics material containing solid particles of the flake or pearlescent type, thereby imparting flake and/or pearlescent highlights to the molded part.</p> |
