Patent ID: 6071462
Filing Date: 2000-06-06
Classification: B29B,B29C,B29K,Y02W,Y10S

Abstract:
A method for molding a product from recycled plastic which has been presorted, comprising the steps of:kneading the recycled presorted plastic substantially continuously so that it is simultaneously comminuted, mixed, heated, melted and homogenized;passing the kneaded plastic to an intermediate buffer reservoir:intermediately storing the kneaded plastic at a controlled temperature in said intermediate buffer reservoir;supplying the kneaded plastic, after said intermediate storage, to injection molding equipment;molding said kneaded plastic into a product in said injection molding equipment, said molding step being effected intermittently; andeffecting quasi-continuous flow of plastic material from said kneading step, said passing step, said intermediate storing step, and said supplying step with said intermediate storing step compensating for the difference in the plastic material flowing from step to step.