Method and apparatus for cooling a preform

Details Method and apparatus for cooling a preform Method and apparatus for cooling a preform

B - Operations, Transporting

29

C

B29C 45/72 (2006.01) B29C 35/16 (2006.01) B29C 49/64 (2006.01) B29C 49/06 (2006.01)

Patent

CA 2053139

ABSTRACT This invention relates to a method and apparatus of cooling and solidifying a preform comprising: introducing a preform in a heated state released from an injection mold into a cooling tube having a bottom opening and an upper opening through which cooling air flows from said bottom opening to said upper opening, said bottom opening being provided with turning means for cooling air, and inserting a cooling core into the preform to place said cooling core in close contact therewith, said preform being focibly cooled from interior and exterior thereof by cooling air flowing in a turning state between said preform and said cooling tube and a coolant supplied to said cooling core.

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