Patent ID: 6391408
Filing Date: 2002-05-21
Classification: B05D,B29B,B29C,B29K,B32B,B65D,C08J,Y10S,Y10T

Abstract:
A injection molded preform comprising:a body portion comprising a wall portion and an end cap wherein said body portion comprises a first layer comprising a thermoplastic polyester; and a second layer comprising an amorphous thermoplastic material; wherein said first layer is thinner in the end cap than in the wall portion and the second layer is thicker in the end cap than in the wall portion and said first layer is about &frac13; of the total thickness of the end cap and about &frac23; of the total thickness of the wall portion; wherein the amorphous thermoplastic material of the second layer is selected from the group consisting of (i) phenoxy-type thermoplastic, (ii) copolyester of terephthalic acid, isophthalic acid and at least one diol, and (iii) recycled polyester.