| 摘要 |
FIELD: shaping or joining of plastics. ^ SUBSTANCE: device comprises nozzle for pouring thermosetting resin or rubber which is maintained at a low temperature to prevent solidification or vulcanization, movable gate cap for the liquid material supplied from the nozzle, cylindrical bushing for supporting the gate cap, space connected with the central opening, valve pin that is set into the movable gate cap to provide closing the feeder when the material occupies the space and is heated. ^ EFFECT: reduced cost. ^ 10 cl, 11 dwg |
