Nozzle for injection molding of rubber, has orifice formed along longitudinal direction of flow path

摘要

A flow path (5) through which rubber is injected is provided with an orifice (6) at one end. The orifice has cross-section having longer axis in the longitudinal direction of flow path and shorter axis in the orthogonal direction of flow path. Independent claims are also included for the following: (a) included for injection molding machine; (b) molding method of rubber