Patent ID: 7900856
Filing Date: 2011-03-08
Classification: B29B,B29K,B29L,Y02W

Abstract:
1. A method of sorting resin, comprising: making a particle size of a mixture with at least two types of resins with different melting temperatures mixed therein, uniform within a predetermined range; placing the mixture with the particle size made uniform, on a sorting member having at least one of a recess portion and a protruding portion on a surface of the sorting member on which the mixture is placed, a distance between the adjacent recess portions or protruding portions being less than a minimum particle size of the mixture, a depth of the recess portion or a height of the protruding portion being less than the minimum particle size of the mixture, a diameter of the recess portion or the protruding portion being less than the minimum particle size of the mixture; then heating the mixture placed on the sorting member to a temperature between the melting temperatures of two types of resins included in the at least two types of resins with the different melting temperatures; and pressurizing the heated mixture to allow the melted resin mixed in the pressurized mixture to adhere to the sorting member for resin sorting.