| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection-stretching blow molding machine which shortens an injection molding cycle while cooling preforms sufficiently and accomplishes high efficiency and high productivity by a reduced number of blow cavities and a method for the machine. SOLUTION: N (>=2) preforms 1, after being injection-molded in a preform molding station 10, are demolded at a relatively high temperature, conveyed to a preform removing part while being cooled by an injection core mold, and after being cooled to a removable temperature, removed from the injection core mold. Every n (1<=n<N) preforms 1 out of the N preforms 1 molded simultaneously in a transfer station 200 are delivered to the receiving part 304 of a blow molding station 300 (N/n) times. The preforms 1 are carried to a blow molding part 310 by way of a heating part 306 and a waiting part 308 in the station 300, and the n bottles 6 are blow-molded simultaneously from the n preforms 1.
|
