Multi-layer preform for draw-blow forming a bottle

摘要: Disclosed is a multi-layer preform for the production of bottle by draw-blow forming, which comprises neck portion having an open end, part engagement with lid member and, if necessary, supporting ring, and thick barrel to be drawn closed bottom portion, wherein inner walls portions are integrally formed thermoplastic polyester, thin intermediate layer composed gas-barrier resin on so that top end extended point just below outer polyester in such positional relation covers layer, joint directly or through between portion.