Patent ID: 6200513
Filing Date: 2001-03-13
Classification: B29C,B29K,B29L,F16H

Abstract:
A method for producing a plastic pulley assembly having a circular metal insert in the form of a bearing assemble comprising the steps of:a) providing a mold having a mold cavity and locating means adapted to receive and position the bearing assembly insert preparatory to molding, the locating means being positioned radially outwardly and about the circumference of the bearing assembly insert within the mold cavity;b) placing the circular bearing assembly insert, having a radially outer circumferential surface, into the mold cavity so that the locating means is positioned upon the outer side edge adjacent the outer circumferential surface of the bearing assembly insert in holding relation, and locating and supporting the insert for molding at at least three points spaced about such outer circumferential surface of the bearing assembly insert;c) closing the mold; andd) molding a plastic annular pulley body about said bearing assembly insert and removing the plastic pulley assembly from the mold, whereby the roundness of the metal insert is maintained in the finished pulley assembly.