Patent ID: 7553784
Filing Date: 2009-06-30
Classification: B29C,Y10T

Abstract:
1. A method of cleaning a mold, said method comprising the steps of: sandwiching a mold cleaning material between two halves of a heated mold, applying heat and pressure to the mold cleaning material for a given time to cure the cleaning member, and removing the cleaning material, wherein said mold cleaning material comprises: at least two base sheets, and a combination of a cleaning member and a molding member enclosed between the at least two base sheets, at least the outermost of said at least two base sheets are fibrous sheets having a porosity of 70% or more, the cleaning member has at least one of a tablet form, a granular form, a powder form, a sheet form, and a plate form, and the molding member is at least one of unvulcanized synthetic rubber and unvulcanized natural rubber.