Patent ID: 7291307

Claim:
A method of forming a blow molded article having a coextruded living hinge, the method comprising: providing a blow mold machine comprising a blow mold; coextruding a parison comprising a first material and a second, more flexible, longitudinal strip of material; closing the mold about the parison; blow molding the parison into the article; cooling the article in the mold; opening the mold; and removing the article from the mold; wherein the article comprises a body made out of a first material having a first body portion and a spaced apart second body portion, and an integrally molded, coextruded living hinge made out of a second material, the hinge being disposed between the body portions, such that the first and second portions are disposed on and contact laterally spaced sides of the living hinge, wherein the first material is a first polymeric material and the second material is a second polymeric material which is more flexible than the first polymeric material.