Patent ID: 8251692
Filing Date: 2012-08-28
Classification: B29C

Abstract:
1. A sprue bushing comprising: a head; and a main body connected to the head and defining a first lateral channel, a second lateral channel, and a third lateral channel, the first lateral channel and the second lateral channel extending through a sidewall of the main body; wherein the sprue bushing defines a sprue and a first longitudinal channel, a second longitudinal channel, a third longitudinal channel, and a fourth longitudinal channel, the sprue extends through the head and the main body along a center axis of the sprue bushing, the first longitudinal channel, the second longitudinal channel, the third longitudinal channel, and the fourth longitudinal channel extend through the head into the main body, the first lateral channel is communicated with the first longitudinal channel and the third longitudinal channel, the second lateral channel is communicated with the first longitudinal channel and the second longitudinal channel, the third lateral channel is communicated with the third longitudinal channel and the fourth longitudinal channel.