Method of cooling a preform in a cooling tube

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United States of America Patent

PATENT NO 5176871
SERIAL NO

07775275

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Abstract

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A method and apparatus of cooling and solidifying a preform involves: 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 the bottom opening to the upper opening, the bottom opening being provided with a fan for cooling air, and inserting a cooling core into the preform to place the cooling core in close contact therewith, the preform being forcibly cooled from interior and exterior thereof by cooling air flowing in a turning state between the preform and the cooling tube and a coolant supplied to the cooling core.

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Patent Owner(s)

Patent OwnerAddress
NISSEI ASB MACHINE CO LTDKOMORO-SHI NAGANO 384-8585

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukai, Hidehiko Komoro, JP 8 160

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