Greenblum & Bernstein, P.L.C.
Sprue-bush
In order to provide a sprue-bush which is capable of suitably cooling a melt raw resin in a raw resin-flow path as a whole, there is provided a sprue-bush, comprising a raw resin-flow path and a cooling medium-flow path located around the raw resin-flow path, wherein a width dimension of the raw-resin flow path gradually becomes larger toward a downstream side-end surface of the sprue-bush, and wherein the downstream side-end surface of the sprue-bush is a heat transfer surface.
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
B B B B B
B29C B29C B29C B29C B29C
additional inventional inventional inventional inventional
Kenichi Yoshiyuki Mikio Shinya Satoshi
Tanaka Uchinono Mori Watanabe Abe