Apparatus for cooling a preform in a cooling tube

Details Apparatus for cooling a preform in a cooling tube Apparatus for cooling a preform in a cooling tube

1992-08-03

1993-08-03

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

With heating or cooling means

425548, B29C 4572, B29C 4964

Patent

active

052327159

ABSTRACT:
An 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 said bottom opening to said upper opening, said 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 said cooling core.

REFERENCES:
patent: 4180379 (1979-12-01), Rainville
patent: 4416608 (1983-11-01), Deardurff
patent: 4449913 (1984-05-01), Krishnakumar et al.
patent: 4571173 (1986-02-01), Chang et al.
patent: 4592719 (1986-06-01), Bellehache et al.
patent: 4818213 (1989-04-01), Roy

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