Vibration-aided feed device for a molding apparatus
AssigneeLegrand
InventorsJean-Francois Astier, Louis Bessaguet, Michel LaPlanche
Life of this patent
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Abstract
A vibration-aided feed device is operatively disposed between an injection head and a mold. A feed channel is provided between the injection head and the mold for the flow of the plasticized molding material to the mold. A part of the feed channel is defined by a distribution channel running through a connecting body. A vibrating arm extends laterally from the connecting body and a vibration generator is coupled to the vibrating arm. The resulting vibrations imparted to the plasticized molding material improves the flow and distribution of the molding material and the quality of the ultimate molded article.
Claims27
A vibration-aided feed device for a molding apparatus of the kind comprising an injection head and a mold, a feed channel for bringing said injection head into communication with said mold, said feed device comprising a connecting body having a distribution channel defining at least part of said feed channel, a laterally extending vibrating arm linked to said connecting body, a vibration generator coupled to said vibrating arm for imparting vibrations to said connecting body without substantially increasing temperatures in said distribution channel, and resilient means floatingly mounting said connecting body for permitting vibration thereof relative to said injection head and said mold.
A molding apparatus comprising an injection head, a mold, a feed channel for bringing said injection head into communication with said mold and for carrying molding material to said mold, a vibration-aided feed device comprising a connecting body having a distribution channel defining at least part of said feed channel, a latterally extending vibrating arm linked to said connecting body, a vibration generator coupled to said vibrating arm, and resilient means floatingly mounting said connecting body to permit the vibration thereof relative to said mold and said injection head, whereby vibrations are imparted;
- to the molding material in said distribution channel for improving the flow and distribution thereof.
Dependencies are inferred from the claim text.