Patent ID: 6054072
Filing Date: 2000-04-25
Classification: B29C,B29D,B29K,B29L,F21S,F21V

Abstract:
A method for infrared bonding a transparent plastic article having a first surface and a transparent bonding surface to an opaque plastic article having an opaque bonding surface comprising the steps of:locating said transparent article in alignment with said opaque article, said transparent bonding surface juxtaposed said opaque bonding surface;directing an infrared beam through said transparent plastic article;focusing said infrared beam to a focal point on said opaque bonding surface and causing said opaque bonding surface to heat and soften;contacting said transparent plastic article with said opaque article;urging said transparent and opaque bonding surfaces together and causing said transparent and opaque bonding surfaces to fuse together; andadjusting the focal point of said beam to continually contact the opaque bonding surface as said transparent and opaque articles are urged together.