B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 31/04 (2006.01) B29C 43/34 (2006.01) B29C 43/36 (2006.01)
Patent
CA 2592886
A method and a device for feeding a molten resin capable of accurately feeding the molten resin without the delay of feed timing by preventing the molten resin from adhering to route members before it seats on a molding die to increase the positioning accuracy of the molten metal in the molding die, and a method of manufacturing a molded part by using the fed molten resin. Vibration is provided to the route members such as molten resin guide pins (10, 40, 50), throat members (62, 70, 85), and female dies positioned in a route in which the molten resin (25) passes before it seats on the female dies (7, 63) by a vibration imparting device (27) or a gas layer film is formed on the surfaces thereof. Thus, the molten resin can be fed while preventing it from adhering to the route members.
L~invention concerne un procédé et un dispositif d~alimentation d~une résine fondue permettant l~alimentation précise de la résine fondue sans délai en évitant qu~elle n~adhère à des éléments d~acheminement avant d~emplir une matrice de moulage pour une meilleure précision de positionnement du métal fondu dans la matrice de moulage, ainsi qu~un procédé de fabrication de pièce moulée au moyen de la résine fondue. Des vibrations sont appliquées par un système de transmission de vibrations (27) aux éléments d~acheminement tels que tenons de guidage de résine fondue (10, 40, 50), gorges (62, 70, 85) et matrices femelles placées sur le trajet emprunté par la résine fondue (25) avant d~atteindre les matrices femelles (7, 63) ou un film de couche gazeuse est formé sur leurs surfaces. La résine fondue peut ainsi être alimentée en évitant qu~elle n~adhère aux éléments d~acheminement.
Hirota Norihisa
Ichikawa Kentaro
Kurosawa Takahiro
Takeuchi Kimio
Kirby Eades Gale Baker
Toyo Seikan Kaisha Ltd.
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