Patent Number: 6,168,740

Title: Partial crystallization method of amorphous plastic articles

Abstract: A plastic article is formed in an injection mold by injecting molten plastic into the injection mold at an elevated temperature, cooling the plastic from the molten condition to a solid condition, and crystallizing a portion of the plastic by slowing down the cooling of said portion.

Inventors: Koch; Michael (King City, CA), Schad; Robert D. (Toronto, CA), Martin; Laura (Brampton, CA), Sykes; James D. (Orangeville, CA), Stracovsky; Dan (Etobicoke, CA), Catoen; Bruce (Georgetown, CA)

Assignee: Husky Injection Molding Systems Ltd.

International Classification: B29C 49/64 (20060101); B29C 45/73 (20060101); B29C 35/08 (20060101); B29C 49/22 (20060101); B29C 49/06 (20060101); B29C 071/00 (); B29C 035/02 ()

Expiration Date: 01/02/2018