| 摘要 |
<p>The device (10) has a plastic material injection nozzle (32) including an outlet (34) opening into a molding cavity (18), where the cavity includes a groove (22) for forming a lip of a wiper. The outlet of the nozzle opens by a bottom (30) of the groove located in a widened portion (36) of the groove, and forms a revolution channel (38), where the diameter of a communication end of the channel is greater than or equal to that of the outlet, and the widened portion is designed to form a localized thickness of the lip of the wiper. Independent claims are also included for the following: (1) a plastic element (2) a method for manufacturing the plastic element by injection molding.</p> |
