Patent ID: 7147456

Claim:
A mold device having a combination of molds for stretch blow molding, comprising; a pair of platens facing towards each other attached to a mold clamping device on a bed and being movable advance and retreat; a main blow mold separated into split molds and installed inside of said platens; a lifting device placed vertically under said main blow mold and in said bed; a pre-blow mold connected to said lifting device and movable in and out from the area between a pair of said split molds; a neck mold located above said main blow mold so as to close said pre-blow mold and said main blow mold respectively; a blow core being fitted into said neck mold; and a stretch rod inserted through said blow core; wherein said pre-blow mold comprises a cylindrical member having an open end on the upper portion which close said neck mold at an end surface of the neck mold, and a bottom mold for said main blow mold is separated into a pair of split bottom molds, and said split bottom molds are attached to lifting cylinders located under and said bottom mold is movable into and away from the bottom of a cavity.