Patent ID: 6499311
Filing Date: 2002-12-31
Classification: B29B,B29C,B29K,B29L,B32B,B65D,F25D,Y02W

Abstract:
A one-piece, blow-molded container formed from thermoplastic material; said container having a closed lower end, an open upper end and including inner and outer walls spaced along their length and having smooth rounded end portions adjacent said lower end; said container including an inner compartment for containing a product therein and an outer compartment substantially enclosing said inner compartment, said inner compartment being formed by said inner wall, and said outer compartment being formed by said outer wall; said inner and outer walls being integrally merged with each other adjacent one end of said container for sealingly enclosing said outer compartment and tapering inwardly for forming a mouth for filling and emptying said inner compartment of said container, wherein said outer compartment is evacuated for forming a vacuum in said outer compartment, and including a third compartment formed of a third wall and enclosing said inner and outer compartments.